Showing papers on "Gear shaping published in 2018"

Metal shell, fabrication method thereof and mobile terminal

Abstract: The embodiment of the invention provides a metal shell, a fabrication method thereof and a mobile terminal. The metal shell comprises a back cover and an intermediate frame, wherein the back cover andthe intermediate frame are connected to form an inner cavity of the metal shell, at least one antenna slot is formed in a corresponding part on the back cover and/or the intermediate frame, glue grabbing structures are respectively arranged at parts, at two sides of the antenna slot, of an inner side surface of the intermediate frame, gear shaping grooves are formed in the glue grabbing structures, the antenna slot is filled with plastic, and the glue grabbing structures are coated with the plastic. In the metal shell disclosed by the embodiment of the invention, the glue grabbing capabilityof the glue grabbing structures are improved by the gear shaping grooves, the bonding capability of the metal shell and the plastic is effectively improved, so that the mobile terminal can be prevented from being abandoned due to separation of metal and the plastic during falling or maintenance and disassembly, and the brand quality and competiveness can be improved; and moreover, the gear shapinggrooves can be formed in protruding parts by a mode of gear shaping, the metal shell is not needed to be partitioned into multiple segments for drilling and injection molding after processing, the processing technology is simplified, and the processing cost is reduced.

High -efficient frame gear shaping machine for gear machining

Abstract: The utility model relates to a high -efficient frame gear shaping machine for gear machining, which comprises a frame, be equipped with reciprocal guide rail in the frame, revolving stage and first rotating electrical machines, be equipped with the slide in the reciprocal guide rail, be equipped with the transmission lead screw in the slide, be equipped with the slider on the transmission lead screw, be equipped with the knife rest on the slider, be equipped with drive gear and guiding arm on the knife rest, the drive gear outside is equipped with the linking arm, the linking arm includes drive plate and first branch, the guiding arm has two, be equipped with the arbor between two guiding arms, be equipped with second branch between arbor and the linking arm, be equipped with shower and aplurality of pinion cutter on the arbor, the frame bottom is equipped with to receive expects to stir cage and delivery port, receive and expect that it is equipped with the case that gathers materials outward to stir the cage, be equipped with the filter screen on the delivery port, the utility model has the advantages of compact structure and reasonable design, convenient operation, the pinion cutter operation is stable quick, and convenient according to waiting to process gear diameter adjustment pinion cutter position, the waste material clearance is convenient, does benefit to to improveframe gear gear shaping machining efficiency and surface quality.

Constant cutting force gear processing method based on deep reinforcement learning

Abstract: The invention relates to a constant cutting force gear processing method based on deep reinforcement learning. The method comprises the steps of constructing a deep reinforcement learning model, constructing output interference, constructing a simulation environment, establishing a reward rt calculation model, accumulating an experience pool, training a deep reinforcement learning neural network and utilizing the trained deep reinforcement learning model to control constant cutting force cutting gears of gear shaping machines. By means of the constant cutting force gear processing method basedon deep reinforcement learning, through additional arrangement of the deep reinforcement learning network, the purpose of automatic gear shaping of the gear shaping machines with constant cutting force is achieved, the power of the gear shaping machines is fully utilized, the cutting efficiency of the gear shaping machines is greatly improved, and meanwhile the processing quality of workpieces and the stability of the processing process are ensured.

Preparation method for drive motor shaft of new energy automobile

Abstract: The invention relates to a preparation method for a drive motor shaft of a new energy automobile The preparation method includes the steps of round steel blanking, stress relieving, surface sand blasting, phosphating, saponification treatment, cold extruding outer shaping, internal spline manufacturing, machining, heat treatment and the like According to the preparation method for the drive motor shaft of the new energy automobile, cold extrusion is adopted to replace traditional gear shaping molding process, and prior hot forging process of blanks is omitted, so that the strength of products and the tooth profile accuracy are effectively improved; and the preparation method for the drive motor shaft of the new energy automobile has the advantages of reasonable process, raw material saving, cost saving, simple operation, stable work, high production efficiency, high product qualification rate, and good molding quality

Grinding method for clearance-groove-free double-helical gear

Abstract: The invention discloses a grinding method for a clearance-groove-free double-helical gear. After gear shaping machining, the middle portion of the clearance-groove-free double-helical gear is subjected to plating layer anti-carburizing heat treatment protection, after heat treatment, a protective plating layer is removed through a chemical method, and then, grinding is conducted through a saucer-shaped grinding wheel. Due to the fact that the middle portion of the double-helical gear is not subjected to carburization strengthening, the gear face of the middle portion of the double-helical gearcan be cut off through a common milling method, and thus, the middle portion does not take part in engagement but has the effects of being connected with the gear faces on the two sides and improvingstrength. Through the grinding method, grinding of the clearance-groove-free double-helical gear is achieved, and the strength of the clearance-groove-free double-helical gear is improved compared with a clearance groove type double-helical gear.

Synchronizer assembly for truck and machining technology thereof

Abstract: The invention relates to a synchronizer assembly for a truck and a machining technology thereof, and belongs to the technical field of truck synchronizer and machining thereof. The synchronizer assembly comprises a gear sleeve and a gear core. The gear core is embedded in the gear sleeve, and the gear core and the gear sleeve are fixed and limited through a limiting device. The limiting device iscomposed of a sliding block, a sliding block mounting groove and an elastic element, and the sliding block is installed in the sliding block mounting groove through the elastic element. The sliding block mounting groove is formed in the gear sleeve. Gear teeth matched with the sliding block mounting groove are arranged on the outer surface of the sliding block. The machining technology comprises the following steps that the gear sleeve and the gear core are subjected to the processes such as normalizing, rough turning, finishing turning, gear hobbing, gear shaping and anti-rust oil applying, then are subjected to carburizing heat treatment, and then are subjected to polishing, ultrasonic cleaning, assembling, anti-rust oil applying and packaging, and a finished product is obtained. The prepared synchronizer assembly has the advantages that synchronize axial movement is not prone to occurring, the service life is long, abrasion is not prone to occurring, and the strength is high.

Gear shaping clamp for flange of transmission

Abstract: The invention belongs to the field of workpiece clamping devices, and particularly relates to a gear shaping clamp for a flange of a transmission. The gear shaping clamp comprises a positioning disc,and further comprises a clamping device; a positioning spigot is formed in the positioning disc; the clamping device comprises pressing blocks and two fixing rods, wherein the pressing blocks are arranged on the positioning disk in a sliding mode; transverse channels and vertical channels are formed in the pressing blocks; transverse wedge rods are arranged in the transverse channels in a slidingmode and are connected to the inner walls of the pressing blocks through springs; the ends, close to the positioning spigot, of the transverse wedge rods extend out of the pressing blocks; the vertical channels communicate with the outside; vertical wedge rods are arranged in the vertical channels in a sliding mode and abut against the transverse wedge rods; sliding grooves allowing the two fixingrods to slide are formed in the positioning disc; connecting rods are hinged to the middles of the two fixing rods; the free ends of the two connecting rods are hinged; and the vertical wedge rods are used for pushing the hinged joint of the two connecting rods to move. According to the gear shaping clamp, the problem that the flange of the transmission can rotate along with a hobbing device in the gear hobbing machining process can be solved, and the gear shaping clamp is commonly used for fixing the flange plate in the machining process.

Pair tooth gear shaping is to tooth frock

Abstract: The utility model relates to a pair tooth gear shaping is to tooth frock, including the base of the disc of a rotation, being equipped with the recess in the middle of the base, the pair tooth then can correspond puts into the recess, and the cross -under has a housing pin on the base lateral wall, and the housing pin cross -under is fixed a position the stick and then imbed the other pinion cutter that is used for processing the tooth's socket that then is equipped with of gear that pair tooth one end gear teeth inslot reaches the purpose to the tooth, pair tooth top portion under the extrusion of housing pin in going into the recess at vertical location stick of the intramural one end fixedly connected with of base side, pair toe joint. It is the gear shaping to the assembly of tooth anchor clamps and major axis gear positioning fixture, can fix pair tooth one end, processes the other end to the gear teeth groove is corresponding about guaranteeing, has guaranteed the precision of processing, has characteristics such as convenient to use, precision accuracy.

Clamping pad is in block to be put gear shaping machine with adorning

Abstract: The utility model relates to a clamping pad is in block to be put gear shaping machine with adorning installs on gear shaping machine work platform, and the device includes four slide base of group, connects the cushion on slide base, wears to establish the pull rod on slide base and cushion, and the even upper surface that sets up at gear shaping machine work platform of slide base supports the gear of treating the gear shaping, has the baffle on the pull rod. Compared with the prior art, the utility model discloses an one -time Setup follow -uply need not to relapse the dismouting, only needs the position of fine setting slide base or circular arc cushion, can satisfy production needs, and is laborsaving during the festival, is showing reduction operator working strength, and improvementgear shaping machine utilization ratio improves production efficiency.

Numerical control is revolved and is divided tooth machine of scraping

Abstract: The utility model belongs to the technical field of the gear shaping machine, refer in particular to a numerical control gear shaping machine, including the lathe bed, sliding on two vertical slide rails that the upper surface of lathe bed set up side by side and being provided with the stand base, be provided with two vertical slide rails side by side on setting up the stand on the stand base, itis provided with the carriage apron to slide on the vertical slide rail, and the rotatable setting of rotor plate is being slided, sliding along the spout of vertical setting on the rotor plate and being provided with the arbor case, the cutter setting is located and is equipped with the workpiece setting seat on the lathe bed of cutter downside on the arbor of arbor case, the action of stand base, carriage apron, rotor plate and arbor case is controlled by numerical control system, the utility model has the advantages of: the gear machining precision has been promoted when having improved gear machining efficiency by a wide margin

Separation gear type wheel gear shaping frock

Abstract: The utility model provides a separation gear type wheel gear shaping frock, including positioning mechanism and clamping mechanism, positioning mechanism includes the anchor clamps body, the positioning base, the anchor clamps body is connected with equipment through the bolt, the positioning base is general type, install on the anchor clamps body through the bolt, clamping mechanism includes thepull rod nut, on connect the pull rod, under connect the pull rod, the inclination axle, press from both sides the cover that tightly rises, go up the pull rod nut, connect the pull rod from top to bottom and the inclination axle is general type, go up the pull rod nut install last connect the pull rod on, on connect the pull rod and be connected down the screw that the pull rod passes through theend and link to each other, under connect the pull rod and be connected with equipment hydraulic means, it tightly rises to press from both sides overlaps the radical location who accomplishes the part with the inclination shaft fit, the part is put and is connected the pull rod from top to bottom processing position during operation equipment hydraulic means drop -down messenger and drive and goup the pull rod nut and let and press from both sides the downward atress of cover that tightly rises and follow inclination axial cone degree and rise greatly, the tight part hole that rises makes it the fixed parts machining of completion production, it presss from both sides the cover that tightly rises to switch only to need to match according to the big or small change external diameter of the internal diameter of part hole.

Method for predicting cutting force of cylindrical gear slotting

Abstract: The invention relates to a method for predicting cutting force of cylindrical gear slotting, which comprises the following steps: calculating the area of a circular ring in the contact area of a cylindrical gear and a slotting cutter during machining, and uniformly distributing enough data points in the circular ring; according to the position relation between the cylindrical gear and slotting cutter, solving a coordinate transformation matrix; judging the points after coordinate transformation, selecting the points in the gear shaping cutter according to the size of the pole diameter and thepole angle at the gear tooth position of the gear shaping cutter; distributing enough data points equidistantly on the tooth tip circle and involute of the gear shaping cutter; in each step of gear shaping cutter cutting, judging the point of contact between the gear shaping cutter and a workpiece, and selecting the point of contact between the gear shaping cutter and the workpiece according to the distance between equidistant points distributed on the gear shaping cutter tooth profile and the workpiece center; and determining the magnitude of the cutting force by the formula based on the unitcutting force. The invention can accurately predict the cutting force of cylindrical gear shaping, and has the advantages of high calculation precision and high calculation efficiency.

Internal helical gear shaping machine with adjusting device

Abstract: The invention discloses an internal helical gear shaping machine with an adjusting device. The internal helical gear shaping machine comprises a working table. A gear shaping mechanism is arranged above the working table, an installation hole is formed in the part, below the gear shaping mechanism, of the working table, a fixing device for clamping a gear to be machined is installed in the installation hole, one side of the fixing device is rotationally connected with the working table, and the other side of the fixing device is located above a spiral supporting table and is supported by a spiral inclined face of the spiral supporting table. The spiral supporting table comprises a rotating shaft and the spiral inclined face arranged around the rotating shaft, and the rotating shaft is installed on the working table and is driven to rotate by a motor located below the working table. According to the internal helical gear shaping machine with the adjusting device, the fixing device for fixing the gear to be machined can be inclined by a certain degree, the fixing device is driven to rotate through the spiral supporting table, rotation and inclination of the fixing device for the gearto be machined are achieved through the spiral inclined face arranged around the rotating shaft, and adjustment is convenient and stable.

5 number of axles accuse gear shaping lathe

Abstract: The utility model discloses a 5 number of axles accuse gear shaping lathe, including protecting cover, lighting fixture, light, rotation axis, installation cover, high -pressure gas head, jet -propelled pipe, processing work piece, fixing sleeve, connecting rod, a slag guide plate, brush, motor, the 2nd slag guide plate, mud hole and collecting box, protecting cover is the hollow cylinder of top end opening, the vertical setting of rotation axis is provided with installation cover and fixing sleeve in the central department of protecting cover inner chamber on the rotation axis, the installation is cup jointed at the rotation axis top, and installs to put in and install the processing work piece, fixing sleeve is fixed to be set up on the rotation axis outer wall of installation cover bottom side, the utility model has the advantages of reasonable design, convenient operation can clear up labour saving and time saving to the sweeps of work piece in the course of working is automatic.

Gear shaping device

Abstract: The utility model relates to a product processingequipment especially relates to a gear shaping device. Including motor, eccentric wheel, connecting rod, slider, smooth movable rail, serrated knife and step -by -step pivot, the eccentric wheel set up on the motor, the connecting rod be connected with the eccentric wheel, the connecting rod other end be connected with the slider, the slider sets upon the slide rail, the serrated knife is installed on the slider, cup joints the product that need to form the rack in the step -by -step pivot, the serrated knife moves messenger product formation rack on the product. This gear shaping device is provided with the serrated knife, realizes the gear shaping technology of serrated knife to the product through the horizontal position who removes theserrated knife. Step -by -step pivot can be convenient the gear position that inserts of regulation product put, the gear shaping technology at one of them position is about to the serrated knife withdrawal on every completion product, then the rotatory solid constant angle degree of step -by -step pivot, lets the serrated knife continue need to insert gear position to next and puts the gear shaping, and is simple and convenient, and efficient.

Pontic connecting device of public road bridge roof beam

Abstract: The utility model discloses a pontic connecting device of public road bridge roof beam. The key feature is: the right -hand member of left side pontic is equipped with left connecting plate, and the right -hand member from the top down of left connecting plate is equipped with a left gear shaping body structure, the equipartition, is equipped with left slot between two upper and lower adjacent left gear shapings, and the left end of right pontic is equipped with right connecting plate, the left end from the top down of right connecting plate be equipped with a body structure, with the left gear shaping right gear shaping of staggered, equipartition each other, be equipped with right inserting groove between two upper and lower adjacent right gear shapings, the preceding terminal surface ofleft side gear shaping and right gear shaping is on the coplanar, the connecting axle passes to concatenate left pontic with right pontic behind flexible hole and the long through -hole is in the same place. The utility model discloses can make the automobile go on the preceding terminal surface of the left gear shaping of coplanar and right gear shaping when the temperature risees or reduce, guarantee that the automobile steadily crosses the pontic junction of public road bridge roof beam, in the time of leaning on the automobile quantity of outside too much again, can not take place the outside tipping accident of this section pontic on certain section pontic, guarantee the security of the lives and property.

Gear machining process

Abstract: The invention discloses a gear machining process. The gear machining process is characterized by comprising the following steps of (1), material selection, wherein a gear material is reasonably selected; (2), formation of a gear blank, wherein forging and casting are carried out; (3), rough machining of a gear, wherein gear blank machining, gear form machining and gear end machining are carried out, and redundant materials are cut off; (4), semi-finishing of the gear, wherein gear shaping is carried out on the gear; (5), heat treatment of the gear, wherein preheating, quenching and tempering are carried out; and (6), secondary finishing, wherein standardization is carried out on the gear, and the gear form is subject to finish machining to obtain a final finished product. The gear machining process has the advantages that the working procedures are simple and clear; and rough machining, semi-finishing and secondary finishing are carried out on the gear, so that the gear form is betterguaranteed, the machining efficiency is improved, the cost is saved, and meanwhile the quality of the gear is improved.

Decentered gear -shaping that mills

Abstract: The utility model discloses a decentered gear -shaping that mills has solved the road surface of milling the plane, the shearing force undersize, and problem that efficiency is not high, its technicalscheme main points are the alloy head including denticle and setting and denticle tip, the denticle includes tooth head and tooth handle, the tooth is overhead to be provided with a plurality of shearing wheel, shearing wheel is last to be provided with a plurality of shearing grooves, the edge of cuting the groove forms the line of cut, not coinciding in shearing wheel's axle center and tooth handle's axle center, has reached to improve to mill the effect of digging efficiency.

A meet to hinder and stop device for electric roller shutter door

Abstract: The utility model discloses a meet to hinder and stop device for electric roller shutter door, include: driving motor's an output and an integral key shaft rigid coupling, on the integral key shaft islocated to first driving medium cunning, on it first gear portion, trigger portion and elastic component, first gear portion includes two gear shapings, and the flank of tooth of connecting tooth topand flank on every gear shaping is inclined plane or cambered surface, the portion of triggering is used for touching travel switch and makes it trigger, the one end butt of elastic component triggers the portion in order to drive the gear shaping axial extension and to mesh with secondary drive spare, be equipped with second gear portion on the secondary drive spare, second gear portion includestwo slots, and every slot is equipped with two that border on and the tooth top gear shaping and flank of tooth engaged with gear position, and the side channel wall of slot both sides is used for two flank butts with the gear shaping respectively, driving motor bring to rest when travel switch triggers. It is better that this chance hinders the installation commonality of stopping the device, and it is more convenient to install, and the susceptibility that chance in vogue hinders under the rolling slats door is high, and it is reliable that the chance hinders the effect of stopping, and thesecurity is higher.

Efficient gear machining machine tool

Abstract: The invention discloses an efficient gear machining machine tool. The efficient gear machining machine tool comprises a machine body, a rotating disc and a driving gear, the machine body is rotatablyprovided with a rotating shaft, a one-way clutch is arranged between the upper end of the rotating shaft and the rotating disc, the rotating disc is rotatably provided with gear supporting discs, themachine body is further provided with a plurality of gear shaping machines located on the periphery of the rotating disc, each gear supporting disc is provided with a gear clamping device and a clamping seat rotating driving hollow shaft, each clamping seat rotating driving hollow shaft is provided with a driven gear, and an overrun clutch is arranged between the rotating shaft and the driving gear. According to the efficient gear machining machine tool, when vertical connection rods drive inverted cone heads to compress clamping blocks downwards to make the clamping blocks clamp gears, the vertical connection rods, the clamping blocks and the gears are fastened into a whole, because the clamping blocks are movably installed on guide grooves of the supporting discs, and rotation of the supporting discs will drive the vertical connection rods, the clamping blocks and the gears to rotate, so that ordinal machining of gear teeth is realized.

Derailleur planet carrier gear hobbing device

Abstract: The utility model belongs to the technical field of the gear shaping device, specifically disclose a derailleur planet carrier gear shaping device, including workstation and frame, the frame setting is equipped with on the workstation with the ministry of worker and collection liquid portion at the processing bench, and collection liquid portion be the cavity cavity, and collection liquid portionsets up and is equipped with the standing groove and can takes place elastic deformation liquid bag on adding the ministry of worker under, add the ministry of worker, and the liquid bag lies in the standing groove inboard, is equipped with the pipe in the liquid bag, and the pipe feeds through with collection liquid portion, is equipped with first check valve on the pipe, still be equipped with the shower in the liquid bag, the head position that spouts of shower directly over the standing groove, is equipped with the second check valve on the shower, still be equipped with the through -holeon adding the ministry of worker, the through -hole lies in standing groove bottom, through -hole and collection liquid portion intercommunication, sliding connection has the processing pole in the frame, is equipped with the aircraft nose on the processing pole and presses the liquid pole, presses liquid pole perpendicular to workstation, is equipped with the pinion cutter on the aircraft nose. The utility model discloses a current gear shaping device is solved and the problem that continues to utilize the coolant liquid can't be retrieved.

Device and method with pulse current assisting in gear shaping

Abstract: The invention discloses a device and method with pulse current assisting in gear shaping. The device mainly comprises a locating mechanism and an assisting mechanism; the locating mechanism comprisesa supporting platform, a workbench, a preloaded screw, a lower chuck, a to-be-machined gear, an upper chuck and a preloaded nut; and the assisting mechanism comprises an electrode support, a cross beam, an electrode, lead screws, a cutter spindle box, a cutter spindle, a gear shaping cutter, a pulse power source and a switch. Through the fitting between threads at the upper end of the preloaded screw and the preloaded nut, and between a circular table at the lower end of the preloaded screw and a tapered through hole of the workbench, axial force and axial locking can be applied to and conducton a clamped device can. The pulse power source inputs pulse current to the to-be-machined gear and the shaping cutter through positive and negative electrodes, and since the pulse current has a metal electroplastic property, the flow stress of the to-be-machined gear is lowered significantly, the rate of strain-hardening is lowered, and the plasticity is improved significantly; and the pulse current can lower deformation stress and improve the plastic deformation ability of a metal material, thereby improving the gear shaping machining efficiency.

Stripe type gear shaping mechanism and stripe type gear machining method

Abstract: The invention discloses a stripe type gear shaping mechanism. The stripe type gear shaping mechanism comprises a base, an indexing device and a gear shaping mechanism body. The indexing device and thegear shaping mechanism body are fixedly arranged on the base in sequence. The indexing device comprises a spindle indexing device. The indexing device is driven by a motor and used for adjusting workpiece machining parameters. The gear shaping mechanism comprises a tool rest, a gear shaping tool, a plurality of adjusting lead screws and a plurality of motors driving the lead screws. The multipleadjusting lead screws include the first adjusting lead screw used for adjusting the tool rest angle and the second adjusting lead screw. The first adjusting lead screw is used for adjusting the distance between a tool nose and the center of a rotation shaft, wherein the distance is the moving radius of the arc of a machined workpiece. The second adjusting lead screw is used for making the tool nose make contact with the outer diameter surface of the workpiece to serve as a tool setting point. The stripe type gear shaping mechanism has the beneficial effects that during machining, precision andglossiness of teeth are guaranteed, the cutting speed is higher, the tool rest can be adjusted up and down, and workpieces different in tooth profile and size can be machined.

Gear shaping tool

Abstract: The utility model relates to a processing equipment field, concretely relates to gear shaping tool. This kind of gear shaping tool includes base, chuck, clamping jaw and clamp plate, the quantity of clamping jaw is three for at least, locate the chuck clamping jaw slidable on, form the centre gripping space that is used for holding the ring gear in the clamping jaw, the clamp plate links to each other with the base, and the clamp plate is used for pressing holds the ring gear. When using, if the size of ring gear changes for the clamping jaw can't provide sufficient clamping -force to the ringgear, gos back the accessible clamp plate and realizes supplementary centre gripping, thereby realize the stability of centre gripping, can also avoid because the clamping -force of clamping jaw leads to the ring gear to warp too greatly.

Level four time delay micro -gap switch

Abstract: The utility model discloses a level four time delay micro -gap switch, wherein delay mechanism is including locating the fixed axle, two, three, four, five, six on the drain pan, is fixed in the balance on the fixed axle no. 1, the escape wheel of suit on fixed axle no. 2, the suit is drive gear no. 1 on fixed axle no. 3, the drive gear no. 2 of suit on fixed axle no. 4, the drive gear no. 3 of suit on fixed axle no. 5, the pawl and gearing of suit on fixed axle six, be equipped with the commutator in the ratchet, set firmly on the balance with escape wheel complex pawl, button bottom one sideis equipped with the gear shaping, its gear shaping inserts the pawl and drives the pawl rotation during button downstream, and the ratchet was motionless this moment, and the commutator slides in the internal tooth of ratchet, dismantling after the external force button and upwards kick -backing and drive the reverse rotation of pawl, the pawl passes through the commutator and drives the ratchetand rotate, and the ratchet drives drive gear no. 3, drive gear no. 2, drive gear no. 1 and escape wheel in proper order and rotates, and the escape wheel rotation of slowing down under the rubbing action of pawl reaches the time delay effect.

Theory of mechanics teaching presentation device

Abstract: The utility model relates to an education equipment facilities field, specific theory of mechanics teaching presentation device that says so, include base, gear box, drive gear, carousel, signal mounting rim, rocker, no. Two rockers, no. Three rockers and install the lid. The base on be equipped with fixed orifices, mounting groove, mounting disc and damping rings. The gear box install on the base, be equipped with control box, controlling window, adjusting screw, installation arm and front end housing on the gear box drive gear install in the mounting disc in the gear box, the utility model provides a theory of mechanics teaching presentation device adopts the presentation device of a combination formula, carries out special design to the device, the drive gear of design, and carousel androcker make up mutually, can demonstrate gear drive voluntarily, and reciprocating movement and the gear shaping machine three kinds of mechanical motion models that move help the better understanding mechanical transmission's in the experiment of faculty and students the characteristics and the knowledge of law and theory of mechanics.

Wind -powered electricity generation gear location gear shaping anchor clamps

Abstract: The utility model discloses a wind -powered electricity generation gear location gear shaping anchor clamps, include: the base is equipped with axial first through -hole on, still be equipped with a plurality of axial second mounting holes on the base, and these second through -holes distribute around first mounting hole, are equipped with the mount pad on the axial terminal surface of base, telescopic thimble mechanism is in partly first through -hole that sets up on the base of this telescopic thimble mechanism, have the chuck of mounting hole, be equipped with the kink on chuck global, theone end of this kink along the axial extension of base after with the base on mount pad fixed connection. The utility model has the advantages of improve wind -powered electricity generation gear positioning accuracy.

Sunning of slice dried turnip is with batch collection device

Abstract: The utility model discloses a cause the problem that stirs up a cloud of dust easily in order to solve current collection device, disclose a sunning of slice dried turnip is with batch collection device, including fastening screw, pull rod, push pedal, pull ring, first connecting plate, motor, pivot, the lantern ring, sleeve pipe, coil spring, slide bar, gyro wheel, wheel carrier, rotary drum, gear shaping, second connecting plate, locating lever and mounting panel. The utility model discloses a motor drives the rotary drum and rotates to go on fast pricking to dried turnip through a pluralityof gear shapings and get, thereby it collects to be convenient for to carry out batch to dried turnip, uses the gear shaping to collect dried turnip simultaneously, has also solved the problem that stirs up a cloud of dust, environmental protection more, the while is also more laborsaving, is worth promoting, accords with social demand.