Showing papers on "Reducer published in 2009"

Spinal rod link reducer

Abstract: The present invention includes a rod link reducer of a spinal fixation system that includes a first and a second spinal rod manipulator; a first spinal rod manipulator joint connected to the first spinal rod manipulator and a second spinal rod manipulator joint connected to the second spinal rod manipulator; a first and a second translatable transverse shaft connected to the first and second joints, respectively; and a universal reducer connected to both the first and second translatable transverse shafts, wherein the universal reducer, the shafts and the linkers provide movement and temporary fixation of a spine that has been manipulated into a final position during spinal surgery.

Exhaust emission control device of internal combustion engine

Abstract: PROBLEM TO BE SOLVED: To provide an exhaust emission control device of an internal combustion engine in which the possibility of thermal damage of an injector is lowered and a reducer injected from the injector is mixed and dispersed in exhaust gas. SOLUTION: This exhaust emission control device of an internal combustion engine comprises a reduction catalyst disposed in the exhaust passage of the internal combustion engine, and a reducer injection part for injecting the reducer in the exhaust passage on the upstream side of the reduction catalyst. The reducer injection part is connected to the exhaust passage through a connection pipe. The reducer injection part comprises the injector having a single nozzle hole. An impact diverging member 42 for diffusing the reducer injected from the injector and impacted thereon is installed in the exhaust passage. COPYRIGHT: (C)2009,JPO&INPIT

Dynamic performance comprehensive detection system of harmonic speed reducer

Abstract: The invention discloses a dynamic performance comprehensive detection system of a harmonic speed reducer, which comprises a mechanical part and an electric control part. The mechanical part comprises an X guide rail arranged on a bottom plate, and the guide rail is provided with a first servo motor, a follower speed reducer, a loading component, a first torque sensor, an angle encoder, a first connecting shaft, a detected harmonic speed reducer, a second connecting shaft, a rotary encoder, a second torque sensor and a second servo motor which are coaxially connected in turn through a bracket; the electric control part comprises an industrial control computer, and a motion control card, a data acquisition card and a counting card which are inserted in a PCI clamping groove; the motion control card is connected with the first servo motor and the second servo motor in a control mode through a control circuit, a first servo controller and a second servo controller respectively; the data acquisition card is connected with the first torque sensor and the second torque sensor through signals; and the angle of the counting card is connected with the rotary encoder through signals. The system has the characteristics of high test precision, wide test range, high running automation degree, and the like.

Spring stiffness adjustable tuning quality damper

Abstract: The invention specifically relates to a mass tuned vibration reducer used for controlling the vibration of an aerobridge in the airport, a large-span pedestrian bridge, a port trestle, high-rise buildings and the related structures. The mass tuned vibration reducer comprises a mass block, a spring, a damper and a base; wherein, the spring can be a spiral spring, a disc spring or a plate spring, and the end part of the spring is provided with a rigidity regulating device. The mass tuned vibration reducer can successfully realize the regulation on the natural frequency of a TMD system under the condition of needing not to assemble and disassemble the TMD since the end part of the spring is provided with the rigidity regulating device, so as to simplify the difficulty of regulation work, avoid the waste of manpower and materials and greatly reduce the construction cost. Meanwhile, the natural frequency and the damping of the system can be regulated in an optimized way under the condition of needing not to assemble and disassemble the TMD, thereby better exerting the vibration absorption performance of the mass tuned vibration reducer, ensuring safety and stableness of the pedestrians and vehicles on the large-span bridge and the thin and high building, contributing to prolonging the service lives of the thin and high building and the bridge, and having remarkable economic and social benefits.

Numerical control five-axle linkage super-high pressure water jet cutting machine

Abstract: The invention relates to a numerical control five-axle linkage super-high pressure water jet cutting machine which comprises a super-high pressure water jet generator, a water jet cutting platform, an X-axle transmission mechanism, a Y-axle transmission mechanism, a Z-axle transmission mechanism and a cutting head connected with the Z-axle transmission mechanism. The numerical control five-axle linkage super-high pressure water jet cutting machine is characterized in that the cutting head has a composite rotating head of axles A and B. The composite rotating head of axles A and B comprises an A axle motor, a B axle motor, a connecting plate of axles A and B and a movable seat, wherein the A axle motor is fixedly connected to a transition plate of the Z-axle transmission mechanism through an A axle speed reducer of the A axle motor, and the output shaft of the A axle speed reducer is connected with the connecting plate of axles A and B; and the B axle motor is fixed on the connecting plate of axles A and B through a B axle speed reducer of the B axle motor, the output shaft of the B axle speed reducer is connected with the movable seat, the cutting head is clipped on the movable seat, the X-axle, the Y-axle, the Z-axle, the A axle and the B axle are interlocked under a main programmable digital controller to control the cutting head to incline in any direction, and the cut bevel edge generated after water jet cutting is filled up. The water jet cutting machine has high automation and cutting efficiency, effectively overcomes the problems of water jet lag and cut bevel edge of the traditional water jet cutting machine and has high cutting precision.

Robot joint drive system

Abstract: The robot joint drive system includes a motor and a reducer for driving a first member and a second member of a robot relative to each other. Output shaft of the reducer is secured to the first member, while a casing of the reducer is secured to the second member. An input shaft of the reducer includes a cantilevered protruded part projecting from the casing of the reducer in a cantilevered manner, and a rotor of the motor is secured to this cantilevered protruded part.

Model based method for selective catalyst reducer urea dosing strategy

Abstract: A method to control NH3 slippage and NOx conversion in an electronic controlled internal combustion engine exhaust system equipped with a selective catalyst reducer, a diesel particulate filter, a diesel oxidation catalyst and a urea doser

Flip-top design cannula

Abstract: There's provided a flip-top cannula assembly including a cannula having a cannula seal for receiving a range of surgical instruments having a first predetermined diameter and a reducer cap movably mounted on the cannula. The reducer cap includes a reducer seal having an opening which is substantially smaller than that of a cannula seal associated with the cannula for receiving a range of surgical instruments having a diameter smaller than that of the first predetermined diameter. In the disclosed embodiments, the reducer seal is movable from a closed position wherein the reducer seal overlies the cannula seal to effectively reduce the seal opening of the cannula to a closed position wherein the reducer seal is spaced apart from the cannula seal.

Experiment table for detecting dynamic characteristics of harmonic reducers

Abstract: The invention discloses an experiment table for detecting dynamic characteristics of harmonic reducers, which comprises an X guide rail arranged on a bottom plate, as well as a first servo motor, wherein the first servo motor is fixed on the X guide rail and is axially connected with a follow-up harmonic reducer; the follow-up harmonic reducer is fixed on the X guide rail and is axially connected with a first torque sensor through a first torsion bar; the first torsion bar sensor is axially connected with a first angle measuring device; the first angle measuring device is connected with a first connecting shaft; and a detected harmonic reducer is arranged on the X guide rail through a mounting bracket and a positioning piece. The experiment table is characterized in that a Y guide rail perpendicular to the X guide rail is arranged on the bottom plate; when the detected harmonic reducer is a right-angled reducer, a second angle measuring device is arranged on the Y guide rail and is axially connected with a second torque sensor; and the second torque sensor is axially connected with a second servo motor. The experiment table has the advantages of good universality and capability of completing the task of testing the dynamic characteristics of a plurality of detected harmonic reducers on one experimental device.

Recoil reducer for use with a firearm

Abstract: A recoil reducer device for use with a firearm is provided, that is movable between a rest position and a recoil position. The recoil reducer device includes a firearm stock, including a first stock member having a first stock member cavity, and a second stock member having a second stock member cavity. A recoil reducer is receivable in the first and second stock cavities. The recoil reducer includes a shock absorber including a housing and an axially movable plunger. A slider is provided that includes a first slider member fixedly coupled to the shock absorber, and a second slider member movable with respect to the shock absorber and first stock member. A base member is fixedly coupled to the second slider member and a magnet that is magnetically coupled to the base member.

High-precision drive and control integration motor

Abstract: The invention discloses a high-precision drive and control integration motor which comprises a power supply interface, wherein a load position detection sensor, a reducer, a motor, a motor rotor position detection sensor, and a debugging interface which is connected with a drive and a controller are integrated with a site bus interface, i.e. an output shaft connected with the load position detection sensor is directly connected with a load, two sides of the motor are respectively coaxially connected with the motor rotor position detection sensor and the reducer, the load position detection sensor and the load are coaxially arranged, and signals of the load position detection sensor and the motor rotor position sensor are led to the drive and the controller by shielding wires. The invention leads a system to have better impact and shock resistance property, is more suitable to the industry control environment; the load position detection sensor, the reducer, the motor, and the like are integrated; the backlash nonlinearity is effectively inhibited by a position controller, a speed controller and a current controller, and the system precision is improved.

System for sampling fluid from a well with a gas trap

Abstract: A low maintenance adjustable system for sampling gas from a well using a gas analyzer; a conditioning and filtering device; a gas trap having a plurality of couplings, a plurality of hammer unions, a plurality of base manifold pipes, a base manifold flow line, a chimney pipe connected to the base manifold flow line, a controllable valve, a reducer connected to the chimney, an expansion chamber component connected to the reducer, a restrictor mounted to the expansion chamber component, and a conduit connection connected to the restrictor for engaging a conduit to flow a gas sample from the gas trap to a gas analyzer.

Umbrella semi-trailer drag reducer

Abstract: The Umbrella Semi-Trailer Drag Reducer is a device that reduces tractor-trailer aerodynamic drag, saving energy and reducing fuel consumption. The design includes a number of features similar to an umbrella, including flexible skin, metal ribs, quick-acting deployment, and compact stowage. The Umbrella Semi-Trailer Drag Reducer is designed to minimize installed cost, be robust and vandal resistant, and reduce the time needed for deployment to only a few seconds. The design includes two independent, paraboloid, mirrored halves, one mounted to each door. The bottom of each mirrored half is open, with a profile similar to one quadrant of an umbrella. Wide-throw hinges accommodate the collapsed stowed drag reducer. Turnbuckles maintain taught skin. The design allows easy retrofit for most existing semi-trailers. The drag reducer is mounted high above the road surface, with no part protruding beyond the top or sides of the semi-trailer.

Electrical Hair Dryer With Noise Reducer And Noise Reducer

Abstract: Electrical hair dryer with noise reducer and noise reducer, of a groundbreaking electrical hair dryer (9) model with a noise reducer element (1 ) which can be incorporated to a hair dryer (9), or usually, be used as fitting element, being properly attached to the equipment (9) back side of the air entrance (18), being the said hair dryer (9) especially designed to bring more acoustic comfort for the user, reducing the motor and turbine assembly emitted noise, being the said noise reducer made of phono absorbent material and provides physical structure which allows sound waves breaking, substantially reducing the hair dryer (9) noise produced.

Automatic setting machine

Abstract: The invention discloses an automatic setting machine, which comprises parallel cross beams arranged on a stander Guide rails are arranged above the two parallel cross beams; travel trolleys capable of moving along the transverse direction of the guide rails transversely span the guide rails; the travel trolleys are provided with a travel motor reducer and a coil motor reducer; output shafts of the travel motor reducer are provided with travel coders; output shafts of the coil motor reducer are provided with lifting coders; the travel trolleys are provided with coil wheels driven by the coil motor reducer; the coil wheels are hung with chunk brackets through coil chains; rotatable chunks are arranged below the chunk brackets through rotator devices which are driven by a rotating motor reducer; an output shaft of the rotating motor reducer is provided with a torque limiter; and the travel coder, the lifting coder and the torque limiter are in signal connection with a control center through signal wires The automatic setting machine has smooth running, accurate positioning and high production efficiency

Power transmission device for vehicle

Abstract: PROBLEM TO BE SOLVED: To provide a power transmission device for a vehicle enhancing quietness in a cabin by suppressing noise generated from a torque tube. SOLUTION: In the vehicle, the torque tube 13 of a cylindrical shape having high rigidity is provided in the form that it connects a speed reducer 12 to a trans-axle 14 and vibration is transmitted from the speed reducer 12, a transmission 17 and a differential device internally attached to the trans-axle 14. Further, the torque tube 13 is installed between respective sections S1-S3 divided by two bearings 23 installed in order to retain the shaft 25 in the cylinder in the form that vibration suppression members 31, 33, 32 having high rigidity respectively is internally contacted. Further, making the vibration transmitted from the transmission 17 or the like as a factor, resonance of secondary mode generated in a circumferential direction of the torque tube 13 is suppressed by the vibration suppression members 31, 32 formed in the square cylindrical shape and resonance of primary mode is suppressed by the vibration suppression member 33 formed in the triangular cylinder shape, respectively. COPYRIGHT: (C)2010,JPO&INPIT

Differential speed reducer

Abstract: The invention relates to a differential speed reducer, which comprises a motor, a speed reducer shell, a planetary gear mechanism, a differential device, a left drive shaft and a right drive shaft; an output shaft of the motor is a hollow shaft of which teeth are arranged at the front end and is connected with the planetary gear mechanism to be used as a solar wheel; an outer ring of a planetary gear is fixed on the speed reducer shell; a planetary gear rack is connected with a differential device shell; the differential device shell is connected with a motor shaft and the speed reducer shell respectively through bearings; the output ends of two semi-shaft gears inside the differential device are connected with the end parts of the left drive shaft and the right drive shaft respectively, wherein the left drive shaft can be connected with the speed reducer only by running through the motor shaft and is connected with the shell of the rear end of the motor through the bearing; the motor shaft, the differential device, the left drive shaft and the right drive shaft are coaxially arranged; and the whole speed reducer assembly is connected with the motor through a bolt The differential speed reducer has the characteristics of compact structure, large output torque, high transmission efficiency, small size, light weight, good lubrication and the like

Gas trap for sampling fluid from a well

Abstract: A low maintenance adjustable gas trap with a plurality of couplings, each coupling securing to a flow line of a drilling rig; a plurality of hammer unions each engaging a coupling; a plurality of base manifold pipes, each engaging a hammer union; a base manifold flow line engaging the base manifold pipes, a chimney pipe connected to the base manifold flow line with a controllable valve, a reducer connected to the chimney opposite the base manifold flow line; an expansion chamber component connected to the reducer; a restrictor mounted to the expansion chamber component opposite the reducer, wherein the restrictor has a diameter no more than ⅓ rd a diameter of the expansion chamber component; and a conduit connection connected to the restrictor for engaging a conduit to flow a gas sample from the gas trap to a gas analyzer.

Method for sampling fluid from a well with a gas trap

Abstract: A low maintenance adjustable method for sampling fluid from a well using a gas analyzer, a fluid conditioner, and a gas trap The gas trap can have a plurality of couplings, a plurality of hammer unions, a plurality of base manifold pipes, a base manifold flow line, a chimney pipe connected to the base manifold flow line, a controllable valve, a reducer connected to the chimney, an expansion chamber component connected to the reducer, a restrictor mounted to the expansion chamber component, and a conduit connection connected to the restrictor for engaging a conduit to flow a gas sample from the gas trap to a gas analyzer

Globular hinge type three-coordinate flexible attitude-adjusting unit

Abstract: The invention discloses a spherical articulated type three-coordinate flexible attitude-adjusting unit which comprises a base seat, an X direction ballscrew, a longitudinal planker, a cross planker, an upper planker, a supporting cylinder body, a telescopic column, a clamping sleeve, a ball-end clamping device, a technological ball-end, a Z direction grating ruler, a Z direction ballscrew, a worm gear reducer, a Y direction guide rail slide, a Y direction linear guide rail, an X direction reducer, an X direction servo motor, an X direction linear guide rail, an X direction guide rail slide, a Y direction servo motor, a Y direction reducer, a Z direction servo motor and a Y direction ballscrew, wherein, the closed-loop control is carried out through the driving of the servo motor and the ballscrews and the feedback of the grating ruler, the accurate positioning in the X, Y and Z directions is realized, and an organ cover is provided for protection. The spherical articulated type three-coordinate flexible attitude-adjusting unit realizes the accurate space positioning through the gang control in the three directions, a force sensor is arranged in the Z direction to ensure the safety, the stability and the reliability of the operation, the ball-end clamping device is provided with the characteristic of automatic following, and attitude-adjusting systems with various operating performances can be formed through the attitude-adjusting unit as the basic module.

Full-automatic hydraulic hacking machine

Abstract: The utility model discloses a full-automatic hydraulic hacking machine. On the basis of the present hacking machine, a crank link mechanism of an original walking device is changed into that a speed reducer drives a chain wheel and a chain to drive a gear and a wheel so as to realize walking; vibration absorbing devices are additionally arranged at the two sides, so as to lead the walking device to be more stable and reliable; the rotation adopts a large-sized pivoting support, a driving gear is driven by the speed reducer to drive the pivoting support, and a central pivoting joint is adopted on a hydraulic system. The full-automatic hydraulic hacking machine drives the walking device by utilizing the speed reducer and the chain wheel, so as to lead the staying position to be more exact and reliable. The rotation adopts the large-sized pivoting support, and the hydraulic system adopts the central pivoting joint, so that a fixture device can rotate at 360 DEG, the installation and connection of a pipeline system is reliable as well as convenient, and the rotation is not limited by an oil pipe. The operation has two sets of electric control functions of automatic and manual adjusting, so that the adjusting is convenient, and the operation is simpler as well as more convenient.

Rotary driving device for construction machine

Abstract: PROBLEM TO BE SOLVED: To provide a rotary driving device for a construction machine which can prevent deterioration of assemblability caused by a spring member when removing a slewing motor unit. SOLUTION: In the rotary driving device 10, a presser plate 40 is installed between the slewing motor unit 20 including a slewing motor M and a speed reducer unit 21 including a planetary gear mechanism 30. The presser plate 40 encloses a plurality of spring members 42 between it and the speed reducer unit 21 so as to hold down the upper parts of the spring members 42 protruding from the speed reducer unit 21 side. COPYRIGHT: (C)2011,JPO&INPIT

Rod reducer method

Abstract: A method of operating a rod reducer includes connecting a cam coupling rod reducer to a screw head of a pedicle screw assembly, wherein spaces in between prongs at a second end of an inner tube of the rod reducer are positioned parallel to a rod of the pedicle screw assembly, and wherein the connection of the cam coupling rod reducer to the screw head indicates a first position of operation; rotating a lever cam of the cam coupling rod reducer until an indication line marked on an outer body of the cam coupling rod reducer moves to a second position of operation; and rotating the lever cam to a third position of operation, wherein the third position of operation indicates that the rod is optimally seated in the pedicle screw assembly, and that the pedicle screw assembly is ready to accept a blocker screw.

Multifunctional dynamic precision test system

Abstract: A multifunctional dynamic precision test system is characterized in that a servo motor is arranged, an output shaft of a speed reducer is connected with a rolling ball screw rod by a corrugated pipe coupling, a workbench capable of axially sliding along a straight line guide rail is fixedly connected with a nut of the rolling ball screw rod, and the workbench is supported by the straight line guide rail arranged at two sides of the rolling ball screw rod. each arranged measuring mechanism includes a built-in incremental encoder in the servo motor, circular grating encoder for measuring corner of the speed reducer, and a rolling type grating line displacement sensor for measuring displacement of the workbench. A multi-path signal data acquisition card is arranged, and detection signal of each measuring mechanism is synchronously displayed on a PC machine by the multi-path signal data acquisition card. The invention is used for researching theories such as whole system dynamic error, precision loss, error decomposition and affiliation of the dynamic system, and provides means for researching dynamic precision characteristic of dynamic system and related analysis.

Production technology of speed reducer output shaft

Abstract: The invention relates to a production technology of a speed reducer output shaft, comprising the following steps: a. purchasing raw materials: b. baiting; c. heating; d. drawing out, rounding and shaping on an air hammer; e. performing closed die forging on a friction press; f. forging and residual heat quenching; g. tempering; h. machine processing; and i. obtaining the finished products. The invention uses the closed die forging and forging residual heat treatment production methods to replace the air hammer embryolemma forging speed reducer output shafts and common tempering heat treatment so as to improve the product quality and the production efficiency; the production cost of the speed reducer output shaft per ton is 700-900yuan lowered than the existing technology.

Reducer of electronic power steering apparatus backgound of the invention

Abstract: A reducer of an electronic power steering apparatus is disclosed The reducer of an electronic power steering apparatus aids the operation of a steering wheel by the driver by preventing a clearance from being caused by frictional wear between a worm and a worm wheel, by reducing rattle noise caused by backlash, and by minimizing the change in the clearance due to a change in torque