FIELD: machine building.SUBSTANCE: movement conversion mechanism includes a housing with a fixed central gear wheel fixed in it, a double satellite consisting of rigidly connected small and big gears, and outlet satellite and an asymmetrical carrier. Double and outlet satellites are fixed on the asymmetrical carrier with possibility of rotation. Fixed central gear wheel has external engagement with small gear of double satellite, and large gear of double satellite has external engagement with outlet satellite. Besides, their reference diameters meet the following ratios: (d/d)·(d/d)=2, where d- reference diameter of fixed central gear wheel; d- reference diameter of small gear wheel of double satellite; d- reference diameter of large gear of double satellite; d- reference diameter of outlet satellite. Their rotation axes are parallel to rotation axis of asymmetrical carrier and lie in one and the same plane. A pin projecting beyond the housing through a slot is fixed on outlet satellite at some distance from rotation axis, which is equal to distance between its rotation axis and rotation axis of asymmetrical carrier.EFFECT: providing the working member with possibility of transmitting considerable forces at low speed; simplifying the design of outlet satellite.2 dwg

Converter of rotational movement to translational movement

The utility model discloses a lifting device of a dynamic compactor. The lifting device of the dynamic compactor comprises a drive mechanism, a first braking device, a speed reducer and a winding barrel, a second braking device, a unhooking oil cylinder, an unhooking device and a controller, wherein the first braking device is connected with the drive mechanism, the speed reducer is connected with the drive mechanism and the speed reducer is connected with the winding barrel in retractable mode. The second braking device is connected with the winding barrel. The unhooking device is connected with the unhooking cylinder. The controller is connected with the drive mechanism, the first braking device, the second braking device and the unhooking oil cylinder. When the drive mechanism drives the winding barrel to a first preserved position, the first braking device brakes the drive mechanism and the second braking device brakes the winding barrel. The speed reducer is separated from the winding barrel. The unhooking oil cylinder drives the unhooking device to unhook. The lifting device of the dynamic compactor does not impact on a driveline.

Hoisting device for dynamic compactor and dynamic compactor

The invention discloses a driving system of a mechanical and hydraulic integrated dynamic compactor. The driving system comprises an engine, a planetary reducer, a winching device, a main pump, a winching brake oil cylinder and a winching clutch oil cylinder, wherein the planetary reducer comprises a steering gear unit, a planetary reduction mechanism and a first clutch; the steering gear unit is connected with an input shaft of the planetary reducer; the input shaft is connected in a driving manner with the engine; the first clutch is connected with an output shaft of the steering gear unit and the planetary reduction mechanism; the winching device is connected with the output shaft of the planetary reduction mechanism. The driving system adopts the planetary reducer and is more compact in structure by the steering gear unit; in comparison with an existing gearbox, the planetary reducer has the advantages of compact structure, small size and small floor space; meanwhile, the first clutch can be used for realizing separation and reunion of the engine and the planetary reduction mechanism, so unnecessary abrasion of the planetary reduction mechanism is reduced, and the service life is prolonged. The invention also discloses a mechanical and hydraulic integrated dynamic compactor comprising the driving system.

Mechanical and hydraulic integrated dynamic compactor and driving system thereof

The invention discloses a speed reducer provided with a manual interface. The speed reducer comprises a shell, an input shaft, a plurality of sun gears, a plurality of planetary frames and a plurality of planetary wheels, wherein a plurality of annular gear rings are arranged on the inner side wall of the shell; the input shaft is rotationally installed in the shell, and the two ends of the input shaft extend out of the shell; one sun gear is fixed to the input shaft, and other sun gears are rotationally installed on the input shaft; the planetary frames are rotationally installed on the input shaft, the planetary frames away from the sun gears fixed to the input shaft are fixed, and each planetary frame is provided with at least three installation positions; the planetary wheels are rotationally installed on the installation positions of the planetary frames, and the planetary wheels mesh with the sun gears and the annular gear rings. By means of the speed reducer of the structure, when a power source breaks down, the other end of the input shaft is controlled to conduct axle retraction action through a rocker, axle retraction operation space is large enough, no obstacles are around the input shaft, the vision is wide, great convenience is brought to manual axle retraction operation, and safety hidden hazards are fundamentally eliminated.

Speed reducer provided with manual interface

The invention relates to a planetary transmission swinging mechanism which comprises a motor The mechanism is characterized by also comprising a coupler, a multi-plate-type friction brake, a multi-stage planetary speed reducing mechanism and an output gear shaft; the motor is connected with a main shaft through the coupler; the multi-plate-type friction brake is assembled on the coupler; the main shaft is provided with a sun wheel of the multi-stage planetary speed reducing mechanism; the output end of the multi-stage planetary speed reducing mechanism is a planetary frame; the planetary frame is connected with an output gear shaft through a spline; the planetary frame of the multi-stage planetary speed reducing mechanism is provided with a suspending arm; and the suspending arm is provided with a planetary wheel through an outer-ring-free bearing The brake of a walking mechanism is reliable by adopting the multi-plate-type friction brake; a full-floating structure is adopted for the sun wheel and the planetary wheel, thus the loadings of the two wheels are uniform; the suspending arm structure is adopted for the planetary frame, thus the axial size of the swing mechanism is compact; and the outer-ring-free structure is adopted for the planetary wheel bearing, thus the radial size of the swinging mechanism is smaller

Planetary transmission swinging mechanism

The utility model relates to a novel duplex-gear slewing mechanism. A motor provides input power; a shaft sleeve of the motor drives a primary sun gear by the aid of a transmission shaft; the primary sun gear is connected with a primary planetary gear; the primary planetary gear meshes with a primary inner gear ring; the primary planetary gear adopts duplex gears; a primary planet carrier is connected with a secondary sun gear; the secondary sun gear meshes with a secondary planetary gear; the secondary planetary gear meshes with a secondary inner gear ring; a secondary planet carrier is connected with a tail-end output shaft; and the tail-end output shaft is provided with a gear meshing with a slewing bearing. A plurality of parts of the novel duplex-gear slewing mechanism are integrated, so that the mechanism is more compact and reasonable and smaller in volume. The primary planetary gear adopts the duplex gears, so that reduction ratio is increased and output torque is improved within strength allowed by the mechanism. For some slewing mechanisms of specific types, three-stage transmission is even converted into two-stage transmission, and accordingly the volume and the weight of the mechanism is decreased more, so that the mechanism is more compact, and cost is reduced.

Novel duplex-gear slewing mechanism

The utility model relates to a totally floating type planetary gear travel mechanism, which comprises a motor, an input transmission shaft, inner gear rings, sun gears, a planetary gear and planetary brackets. The motor is connected with the input transmission shaft, the input transmission shaft is connected with a primary sun gear, a tertiary planetary bracket is connected with and fixed to a brake, and a primary inner gear ring, a secondary inner gear ring and a tertiary inner gear ring are respectively connected with an output shaft, and all in totally floating structures. The totally floating type planetary gear travel mechanism is compact in structure, large in driving force, low in cost, fine in sealing performance, large in torque, light in weight and reliable in operation. Three-stage planetary transmission is adopted, the tertiary planetary bracket is connected with the brake, the primary planetary bracket, the secondary planetary bracket and the tertiary planetary bracket are connected in a floating manner, bearing capacity is uniform, local impact is avoided, and damage rate of the gears is reduced greatly. During operation, the final planetary bracket is fixed while the gear rings are rotatable.

Totally floating type planetary gear travel mechanism

The utility model relates to an integral planetary gear walking mechanism, which comprises a motor and a reduction box The reduction box comprises a three-level planetary gear set A sun gear of a one-level gear set is connected with the motor, and a planetary carrier of the three-level planetary gear set is connected with an output shaft In the one-level gear set, a one-level sun gear is meshed with a one-level planet gear, and the one-level planet gear is meshed with a one-level annular gear and connected with a two-level sun gear in a two-level gear set through a one-level planetary carrier In the two-level gear set, the two-level sun gear is meshed with a two-level planet gear, and the two-level planet gear is meshed with a two-level annular gear and connected with a three-level sun gear in a three-level gear set through a two-level planet gear In the three-level gear set, the three-level sun gear is meshed with a three-level planet gear, and the three-level planet gear is meshed with a three-level annular gar and connected with a three-level planetary carrier which is connected with the output shaft The integral planetary gear walking mechanism is compact in structure, large in driving force, low in cost, good in sealing, large in torque, light in weight and reliable in working

Integral planetary gear walking mechanism

The utility model relates to a double-brake empty hook quick laying type lifting mechanism, which comprises a support, a motor, a speed reducer, a winding drum, a clutch and brakes. The speed reducer is arranged in the winding drum, an input transmission shaft of the speed reducer is in pivot connection to the support and connected with the motor, and an output shaft of the speed reducer is connected with the winding drum. The speed reducer comprises two-stage planetary gear sets, a sun wheel of a first-stage gear set is fixedly connected with the input transmission shaft, a planet carrier of the first-stage gear set is in floating connection with a sun wheel of a second-stage gear set, and a planetary carrier of the second-stage gear set is connected with the output shaft through the clutch. The brakes includes a built-in brake used for separating an inner transmission mechanism from the winding drum and an external brake used for assisting quick braking and connected with the winding drum. The double-brake empty hook quick laying type lifting mechanism adopts double brakes to perform braking in a built-in braking type and an external braking type so as to improve working efficiency and prolong service life. The built-in brake can achieve self-rotation of the winding drum and quick laying of an empty hook, and the external brake can quickly brake and increase safety factors.

Double-brake empty hook quick laying type lifting mechanism

The utility model relates to a split lifting mechanism for planetary gears, which comprises a motor, an input transmission shaft, inner gear rings, sun wheels, planet wheels, a planet carrier and a drum. The motor is connected with the input transmission shaft through a spline sleeve, the spline sleeve is detachably installed on the input transmission shaft, the input transmission shaft is connected with a first sun wheel, the first sun wheel meshes with a first planet, the first sun wheel meshes with a first gear ring and is connected with a secondary sun wheel through a first planet carrier, the secondary sun wheel meshes with a secondary planet wheel, the secondary planet wheel meshes with a secondary inner gear ring and is connected with the secondary planet wheel, the secondary planet wheel is connected with and fixed on a brake, and the first inner gear ring and the secondary inner gear ring are respectively connected with the drum. Since the motor is connected with the input transmission shaft through the spline sleeve, remanufacturing of a complicate input transmission shaft is omitted, and the split lifting mechanism can be connected with various motors only through changing the spline groove, thereby saving materials greatly and improving working efficiency.

Zhanyi Wang

Papers

Novel duplex-gear slewing mechanism

Totally floating type planetary gear travel mechanism

Integral planetary gear walking mechanism

Double-brake empty hook quick laying type lifting mechanism

Split lifting mechanism for planetary gears