Planetary cycloid hollow speed reducer

Abstract

The utility model discloses a planetary cycloidal hollow speed reducer, belongs to the technical field of speed reducers, and solves the problems that the meshing force of cycloidal pin teeth and cycloidal gears of the existing planetary cycloidal speed reducer cannot be changed, and the cycloidal pin teeth cannot lock the cycloidal gears and an input shaft of the speed reducer. The speed reducer body comprises an equipment mounting seat, a steering seat, a speed reducing seat and a speed reducer power part, the speed reducing power part comprises a speed reducing driving motor, a power steering assembly, a cycloid speed reducing part, a power output shaft and a meshing adjusting assembly, and the meshing adjusting assembly is mounted in the speed reducing seat; the cycloid speed reducing device is provided with the meshing adjusting assembly, the meshing adjusting assembly is composed of the adjusting driving motor, the adjusting linkage part and the cycloid bearing part, and the adjusting linkage part and the cycloid bearing part are matched to work so that the meshing strength of the cycloid speed reducing part can be flexibly adjusted or the cycloid speed reducing part can be locked; therefore, the stability and accuracy of the output rotating speed are ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of reducers, and in particular relates to a planetary cycloid hollow reducer. Background Art

[0002] A reducer is a mechanical transmission device widely used in the industrial field. Its main function is to reduce the speed and increase the torque. At present, the working principle of the reducer is mainly to reduce the speed of high-speed power sources (such as electric motors, internal combustion engines, etc.) through the internal gear meshing mechanism, while increasing the output torque. This conversion is achieved by the engagement of the small gear on the input shaft with the large gear on the output shaft.

[0003] The planetary cycloid reducer is a new type of high-efficiency reducer. It uses the planetary transmission principle and the cycloid pin gear meshing mechanism. The meshing strength of the cycloid pin gear and the cycloid wheel of the existing planetary cycloid reducer cannot be changed, and the cycloid pin gear cannot lock the cycloid wheel and the reducer input shaft. In order to solve the above problems, we proposed a planetary cycloid hollow reducer. Utility Model Content

[0004] The purpose of the utility model is to provide a planetary cycloid hollow reducer to address the deficiencies of the prior art, thereby solving the problem that the meshing force between the cycloid pin teeth and the cycloid wheel of the existing planetary cycloid reducer cannot be changed, and the cycloid pin teeth cannot lock the cycloid wheel and the reducer input shaft.

[0005] The meshing force between the cycloid pin teeth and the cycloid wheel of the existing planetary cycloid reducer cannot be changed, and the cycloid pin teeth cannot lock the cycloid wheel and the reducer input shaft. In order to solve the above problems, we proposed a planetary cycloid hollow reducer. In short, the hollow reducer includes a reducer body, a reducer power unit, and an engagement adjustment component. The reducer body includes an equipment mounting seat, a steering seat and a reducer seat. The reduction power unit includes a reduction drive motor, a power steering assembly, a cycloid reduction unit and a power output shaft, and the engagement adjustment assembly includes an adjustment drive motor, an adjustment linkage unit fixedly connected to the adjustment drive motor, and a cycloid support unit. When working, the reduction drive motor Starting can drive the power steering assembly to move, and the power steering assembly performs steering transmission on the power of the reduction drive motor, and the movement of the power steering assembly can drive the cycloid reduction unit to move, and the cycloid reduction unit reduces the speed of the power steering assembly and amplifies the torque, and then the cycloid reduction unit transmits the power to the power output shaft. When it is necessary to adjust the deceleration force or lock the power output shaft, turn on the adjustment drive motor, and the adjustment drive motor can drive the adjustment linkage unit to move, so that the adjustment linkage unit drives the cycloid support unit to move, and the cycloid support unit can adjust the meshing force of the cycloid reduction unit or lock the cycloid reduction unit. The embodiment of the utility model is provided with an engagement adjustment assembly, which is composed of an adjustment drive motor, an adjustment linkage unit and a cycloid support unit. The adjustment linkage unit cooperates with the cycloid support unit to flexibly adjust the meshing force of the cycloid reduction unit or lock the cycloid reduction unit, thereby ensuring the stability and accuracy of the output speed.

[0006] The utility model is implemented in this way: a planetary cycloid hollow reducer, the planetary cycloid hollow reducer comprising:

[0007] A reduction gear body, the reduction gear body comprising an equipment mounting seat, a steering seat and a reduction seat, the steering seat is fixedly connected to the reduction seat, and the steering seat and the reduction seat are both fixedly mounted on the equipment mounting seat;

[0008] The speed reducer power unit includes a speed reduction drive motor, a power steering assembly, a cycloid speed reduction unit and a power output shaft, wherein the speed reduction drive motor is connected to the cycloid speed reduction unit through the power steering assembly, the power steering assembly is arranged in the steering seat, and the cycloid speed reduction unit is connected to the power output shaft;

[0009] An engagement adjustment component, the engagement adjustment component is installed in the reduction seat, and the engagement adjustment component is used to adjust the engagement force of the cycloid reduction part;

[0010] Wherein, the engagement adjustment component comprises:

[0011] An adjusting drive motor, wherein the adjusting drive motor is fixedly installed in the reduction seat;

[0012] An adjustment linkage part fixedly connected to the adjustment drive motor, the adjustment linkage part being used to adjust the meshing force of the cycloid speed reducer;

[0013] The cycloid supporting part is arranged in the reduction seat, and is used to support and limit the cycloid reduction part.

[0014] Preferably, the power steering assembly comprises:

[0015] A power steering shaft, one end of which is fixedly connected to the reduction drive motor, and the other end of which passes through the steering seat and is fixedly connected to a steering worm;

[0016] A steering worm wheel is rotatably mounted in the steering seat, one side of the steering worm wheel is connected to the cycloid speed reduction part, and the steering worm wheel and the steering worm are meshed for transmission.

[0017] Preferably, the cycloid deceleration unit comprises:

[0018] A reduction linkage shaft, wherein the reduction linkage shaft is arranged in the reduction seat, and one end of the reduction linkage shaft is fixedly connected to a steering worm gear;

[0019] At least one group of deceleration eccentric shafts are rotatably connected to each other through bearings, one group of deceleration eccentric shafts is fixedly connected to the deceleration linkage shaft, and the other group of deceleration eccentric shafts is fixedly connected to the power output shaft.

[0020] Preferably, the cycloid deceleration unit further comprises:

[0021] A planetary reduction assembly is provided in the reduction seat, and the planetary reduction assembly is sleeved on the outside of the reduction eccentric shaft, and the planetary reduction assembly is used to reduce the speed of the reduction eccentric shaft.

[0022] Preferably, the planetary reduction assembly comprises:

[0023] At least one set of cycloidal needle discs, wherein the cycloidal needle discs are embedded in the deceleration seat, and the deceleration eccentric shaft is rotatably connected inside the cycloidal needle discs;

[0024] At least one set of planetary limiting grooves, wherein the planetary limiting grooves are arranged on the cycloid needle disk.

[0025] Preferably, the planetary reduction assembly further comprises:

[0026] At least one set of planetary reduction gears, wherein the planetary reduction gears are arranged in the reduction seat and connected to the cycloid support portion;

[0027] At least one set of arc-shaped friction blocks, which are fixedly mounted on the planetary reduction gear and are used for frictionally reducing the speed of the cycloid needle disk;

[0028] A cycloid limiting roller cooperates with the planetary reduction gear, and the cycloid limiting roller is fixedly mounted on the reduction seat.

[0029] Preferably, the adjustment linkage unit comprises:

[0030] A driving gear is arranged in the reduction seat, and one side of the driving gear is fixedly connected to the adjustment driving motor by means of interference fit, and the other side of the driving gear is rotatably connected to the side wall of the reduction seat.

[0031] Preferably, the adjustment linkage unit further includes:

[0032] A linkage gear ring is rotatably arranged in the reduction seat, and multiple groups of inner and outer teeth are circumferentially arranged on the inner and outer sides of the linkage gear ring, and the outer teeth of the linkage gear ring are meshed and transmitted with the driving gear.

[0033] Preferably, the cycloid supporting portion comprises:

[0034] At least one set of internal gears, which are rotatably mounted in the reduction seat and mesh with the internal teeth of the linkage gear ring;

[0035] A supporting adjustment shaft is arranged on one side of the internal gear, one end of the supporting adjustment shaft is fixedly connected to the internal gear, and the other end of the supporting adjustment shaft is detachably connected to a planetary reduction gear.

[0036] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0037] The embodiment of the utility model is provided with an engagement adjustment component, which is composed of an adjustment drive motor, an adjustment linkage part and a cycloid supporting part. The adjustment linkage part cooperates with the cycloid supporting part to flexibly adjust the engagement force of the cycloid speed reduction part or lock the cycloid speed reduction part, thereby ensuring the stability and accuracy of the output speed.

[0038] In the embodiment of the utility model, a cycloid deceleration part is provided. The cycloid deceleration part works with a planetary deceleration assembly through multiple groups of deceleration eccentric shafts, thereby playing a role in decelerating the deceleration drive motor and increasing the torque. At the same time, the setting of the planetary deceleration assembly facilitates the operation of the engagement adjustment assembly and ensures the flexible and adjustable engagement force. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 The utility model is a schematic structural diagram of a planetary cycloid hollow reducer.

[0040] Figure 2 It is an axonometric drawing of the planetary cycloid hollow reducer provided by the utility model.

[0041] Figure 3 It is a front view of the planetary cycloid hollow reducer provided by the utility model.

[0042] Figure 4 yes Figure 3 AA section view.

[0043] Figure 5 It is a structural schematic diagram of the power unit of the reducer provided by the utility model.

[0044] Figure 6 It is a three-dimensional structural schematic diagram of the power unit of the reducer provided by the utility model.

[0045] Figure 7 It is a rear view of the power unit of the reducer provided by the utility model.

[0046] Figure 8 It is a structural schematic diagram of the cycloid speed reduction unit provided by the utility model.

[0047] Fig. 9 It is a front view of the cycloid speed reducer provided by the utility model.

[0048] Fig.10 It is a structural schematic diagram of the meshing adjustment component provided by the utility model.

[0049] In the figure: 1-reduction body, 11-equipment mounting seat, 12-steering seat, 13-reduction seat, 2-reduction machine power unit, 21-reduction drive motor, 22-power steering assembly, 221-power steering shaft, 222-steering worm, 223-steering worm wheel, 23-power output shaft, 24-cycloid reduction unit, 241-reduction eccentric shaft, 242-cycloid needle plate, 243-reduction linkage shaft, 244-planetary limiting groove, 245-planetary reduction wheel, 246-arc friction block, 247-cycloid limiting roller, 3-meshing adjustment assembly, 31-adjustment drive motor, 32-drive gear, 33-linkage gear ring, 34-internal gear, 35-supporting adjustment shaft. DETAILED DESCRIPTION

[0050] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0051] The meshing force between the cycloid pin teeth and the cycloid wheel of the existing planetary cycloid reducer cannot be changed, and the cycloid pin teeth cannot lock the cycloid wheel and the reducer input shaft. In order to solve the above problems, we proposed a planetary cycloid hollow reducer. In short, the hollow reducer includes a reducer body 1, a reducer power unit 2, and an engagement adjustment component 3. The reducer body 1 includes an equipment mounting seat 11, a steering seat 12 and a reducer seat 13. The reduction power unit includes a reduction drive motor 21, a power steering assembly 22, a cycloid reduction unit 24 and a power output shaft 23. The engagement adjustment component 3 includes an adjustment drive motor 31, an adjustment linkage unit fixedly connected to the adjustment drive motor 31, and a cycloid support unit. When working, the reduction drive motor 21 starts The power steering assembly 22 can be driven to move, and the power steering assembly 22 performs steering transmission on the power of the deceleration drive motor 21, and the movement of the power steering assembly 22 can drive the cycloid deceleration unit 24 to move, and the cycloid deceleration unit 24 decelerates and amplifies the torque of the power steering assembly 22, and then the cycloid deceleration unit 24 transmits the power to the power output shaft 23. When it is necessary to adjust the deceleration force or lock the power output shaft 23, the adjustment drive motor 31 is turned on, and the adjustment drive motor 31 can drive the adjustment linkage unit to move, so that the adjustment linkage unit drives the cycloid support unit to move, and the cycloid support unit can adjust the meshing force of the cycloid deceleration unit 24 or lock the cycloid deceleration unit 24. The embodiment of the utility model is provided with an engagement adjustment assembly 3, which is composed of an adjustment drive motor 31, an adjustment linkage unit and a cycloid support unit. The adjustment linkage unit cooperates with the cycloid support unit to flexibly adjust the meshing force of the cycloid deceleration unit 24 or lock the cycloid deceleration unit 24, thereby ensuring the stability and accuracy of the output speed.

[0052] The utility model embodiment provides a planetary cycloid hollow reducer, such as Figure 1-Figure 4 As shown, the planetary cycloid hollow reducer comprises:

[0053] The reduction gear body 1 comprises an equipment mounting seat 11, a steering seat 12 and a reduction seat 13. The steering seat 12 is fixedly connected to the reduction seat 13, and the steering seat 12 and the reduction seat 13 are both fixedly mounted on the equipment mounting seat 11.

[0054] It should be noted that the equipment mounting seat 11 can be installed on a processing production line, packaging machinery, textile machinery, or intelligent robot by fastening bolts or welding, and the equipment mounting seat 11, steering seat 12, and reduction seat 13 can be made of high manganese steel or titanium alloy, and the steering seat 12 and reduction seat 13 can be fixedly connected to the equipment mounting seat 11 by riveting or welding, and the steering seat 12 and reduction seat 13 can be round seats or round frames with hollow interiors.

[0055] Reducer power unit 2, such as Figure 5-Figure 7 As shown, the deceleration power unit includes a deceleration drive motor 21, a power steering assembly 22, a cycloid deceleration unit 24 and a power output shaft 23. The deceleration drive motor 21 is connected to the cycloid deceleration unit 24 through the power steering assembly 22. The power steering assembly 22 is arranged in the steering seat 12, and the cycloid deceleration unit 24 is connected to the power output shaft 23.

[0056] In this embodiment, the reduction drive motor 21 can be a stepper motor, a servo motor or a variable frequency motor. The reduction drive motor 21 is electrically connected to a PLC controller, and the PLC controller is used to control the opening and closing of the reduction drive motor 21. The reduction drive motor 21 is fixedly mounted on the side wall of the equipment mounting base 11 by fastening bolts or clamping, and the power output shaft 23 can be fixedly connected to the working machine or actuator of an industrial robot, a processing production line, a packaging machine, or a textile machine.

[0057] An engagement adjustment component 3, the engagement adjustment component 3 is installed in the speed reduction seat 13, and the engagement adjustment component 3 is used to adjust the engagement force of the cycloid speed reduction part 24;

[0058] Among them, Fig.10 As shown, the engagement adjustment component 3 includes:

[0059] The adjusting drive motor 31 is fixedly installed in the reduction seat 13 . The adjusting drive motor 31 is fixedly installed in the reduction seat 13 by fastening bolts or clamps, and the adjusting drive motor 31 is electrically connected to the PLC controller.

[0060] An adjustment linkage part fixedly connected to the adjustment drive motor 31, the adjustment linkage part is used to adjust the meshing force of the cycloid speed reducer 24;

[0061] The cycloid supporting portion is disposed in the speed reduction seat 13 , and is used to support and limit the cycloid speed reduction portion 24 .

[0062] In this embodiment, when working, the reduction drive motor 21 is started and can drive the power steering assembly 22 to move. The power steering assembly 22 performs steering transmission on the power of the reduction drive motor 21, and the movement of the power steering assembly 22 can drive the cycloid reduction unit 24 to move. The cycloid reduction unit 24 reduces the speed of the power steering assembly 22 and amplifies the torque. Then the cycloid reduction unit 24 transmits the power to the power output shaft 23. When it is necessary to adjust the deceleration force or lock the power output shaft 23, the adjustment drive motor 31 is turned on. The adjustment drive motor 31 can drive the adjustment linkage unit to move, so that the adjustment linkage unit drives the cycloid supporting unit to move. The cycloid supporting unit can adjust the engagement force of the cycloid reduction unit 24 or lock the cycloid reduction unit 24.

[0063] The embodiment of the utility model is provided with an engagement adjustment component 3, which is composed of an adjustment drive motor 31, an adjustment linkage part and a cycloid supporting part. The adjustment linkage part cooperates with the cycloid supporting part to flexibly adjust the engagement force of the cycloid speed reducer 24 or lock the cycloid speed reducer 24, thereby ensuring the stability and accuracy of the output speed.

[0064] In a further preferred embodiment of the present invention, Figure 5-Figure 7 As shown, the power steering assembly 22 includes:

[0065] A power steering shaft 221, one end of which is fixedly connected to the reduction drive motor 21, and the other end of which passes through the steering seat 12 and is fixedly connected to a steering worm 222;

[0066] The steering worm wheel 223 is rotatably mounted in the steering seat 12 , one side of the steering worm wheel 223 is connected to the cycloid speed reducer 24 , and the steering worm wheel 223 and the steering worm 222 are meshed and transmitted.

[0067] In this embodiment, the side walls of the power steering shaft 221 are rotatably connected to the equipment mounting seat 11 and the steering seat 12 through bearings respectively. One end of the power steering shaft 221 is fixedly connected to the output end of the reduction drive motor 21 by an interference fit. The other end of the power steering shaft 221 can be welded or riveted to the steering worm 222. The steering worm 222 is rotatably installed in the steering seat 12 through bearings, and the steering worm wheel 223 is rotatably connected to the steering seat 12 through bearings or limit rollers.

[0068] During operation, the reduction drive motor 21 is turned on, and the reduction drive motor 21 can drive the power steering shaft 221 to rotate, and the power steering shaft 221 drives the steering worm 222 and the steering worm wheel 223 to rotate, so that the steering worm wheel 223 drives the cycloid reduction unit 24 to transmit and steer the power.

[0069] In a further preferred embodiment of the present invention, Figure 8-Figure 9 As shown, the cycloid deceleration unit 24 includes:

[0070] A deceleration linkage shaft 243, wherein the deceleration linkage shaft 243 is disposed in the deceleration seat 13, and one end of the deceleration linkage shaft 243 is fixedly connected to the steering worm gear 223;

[0071] The reduction linkage shaft 243 is rotatably connected to the side wall of the reduction seat 13 via a bearing, and one end of the reduction linkage shaft 243 is fixedly connected to the steering worm gear 223 by plugging or riveting.

[0072] At least one group of deceleration eccentric shafts 241 are rotatably connected to each other through bearings. One group of deceleration eccentric shafts 241 is fixedly connected to the deceleration linkage shaft 243 , and another group of deceleration eccentric shafts 241 is fixedly connected to the power output shaft 23 .

[0073] In this embodiment, the number of the deceleration eccentric shafts 241 can be 2 or 3 groups, one group of the deceleration eccentric shafts 241 is fixedly connected to the deceleration linkage shaft 243 by plugging or snapping, and the other group of the deceleration eccentric shafts 241 is fixedly connected to the end of the power output shaft 23 by riveting or bolting.

[0074] A planetary reduction assembly is provided in the reduction seat 13 , and the planetary reduction assembly is sleeved on the outside of the reduction eccentric shaft 241 , and the planetary reduction assembly is used to reduce the speed of the reduction eccentric shaft 241 .

[0075] In the embodiment of the utility model, a cycloid deceleration part 24 is provided. The cycloid deceleration part 24 cooperates with the planetary deceleration assembly through multiple groups of deceleration eccentric shafts 241, so as to play a role in decelerating the deceleration drive motor 21 and increasing the torque. At the same time, the setting of the planetary deceleration assembly facilitates the operation of the meshing adjustment assembly 3 and ensures the flexible and adjustable meshing force.

[0076] In a further preferred embodiment of the present invention, Figure 8-Figure 9 As shown, the planetary reduction assembly includes:

[0077] At least one set of cycloidal needle disks 242, the cycloidal needle disks 242 are embedded in the deceleration seat 13, and the deceleration eccentric shaft 241 is rotatably connected inside the cycloidal needle disks 242, and the cycloidal needle disks 242 are mirror-imaged in the deceleration seat 13, thereby ensuring the coordinated deceleration effect of the multiple sets of cycloidal needle disks 242;

[0078] In this embodiment, in order to enhance the deceleration effect, the cycloid needle disk 242 and the deceleration eccentric shaft 241 can be made of wear-resistant nylon material, and the cycloid needle disk 242 is a hollow disk or round seat.

[0079] At least one set of planetary limiting grooves 244 is provided on the cycloid needle disk 242 .

[0080] At least one set of planetary reduction gears 245, wherein the planetary reduction gears 245 are disposed in the reduction seat 13, and the planetary reduction gears 245 are connected to the cycloid support portion;

[0081] At least one set of arc-shaped friction blocks 246, wherein the arc-shaped friction blocks 246 are fixedly mounted on the planetary reduction gear 245, and the arc-shaped friction blocks 246 are used for frictionally reducing the speed of the cycloid needle disk 242;

[0082] In this embodiment, the shape of the planetary limit groove 244 can be a fan-shaped, arc-shaped or "U"-shaped groove, and the number of the planetary limit grooves 244 can be 10-30 groups. The inner wall of the planetary limit groove 244 is coated with a friction layer, and the friction layer can be made of rubber material. The planetary reduction wheel 245 can be a round roller or a round rod, and the arc-shaped friction block 246 is made of hard nylon or rubber material. The number of arc-shaped friction blocks 246 can be 3-6 groups. At the same time, the outer wall of the arc-shaped friction block 246 is provided with an anti-slip dovetail groove or an anti-slip groove. In order to adapt to different meshing forces and locking requirements, the curvature of the arc-shaped friction block 246 increases successively, and the arc-shaped friction block 246 can be fixedly installed on the planetary reduction wheel 245 by riveting or clamping.

[0083] The cycloid limiting roller 247 cooperates with the planetary reduction gear 245 , and the cycloid limiting roller 247 is fixedly mounted on the reduction seat 13 .

[0084] In this embodiment, the cycloid limiting roller 247 can be a round roller or a round rod, and the cycloid limiting roller 247 and the planetary reduction gear 245 are arranged alternately. The setting of the cycloid limiting roller 247 realizes the guide limitation of the cycloid needle disk 242, and the cycloid limiting roller 247 is fixedly installed on the side wall of the reduction disk by threads or buckles.

[0085] In a further preferred embodiment of the present invention, Fig.10 As shown, the adjustment linkage part includes:

[0086] The driving gear 32 is disposed in the reduction seat 13 , and one side of the driving gear 32 is fixedly connected to the adjustment driving motor 31 by means of interference fit, and the other side of the driving gear 32 is rotatably connected to the side wall of the reduction seat 13 .

[0087] The linkage gear ring 33 is rotatably arranged in the reduction seat 13, and the inner and outer sides of the linkage gear ring 33 are respectively circumferentially arranged with multiple groups of inner and outer teeth, and the outer teeth of the linkage gear ring 33 are meshed with the driving gear 32. The linkage gear ring 33 is rotatably connected to the end wall of the reduction seat 13 by rollers or bearing rings.

[0088] In this embodiment, the cycloid supporting portion includes:

[0089] At least one set of internal gears 34, the internal gears 34 are rotatably mounted in the reduction seat 13, and the internal gears 34 are meshed with the internal teeth of the linkage gear ring 33 for transmission;

[0090] A supporting adjustment shaft 35 is arranged on one side of the inner gear 34 , one end of the supporting adjustment shaft 35 is fixedly connected to the inner gear 34 , and the other end of the supporting adjustment shaft 35 is detachably connected to the planetary reduction gear 245 .

[0091] In this embodiment, the number of internal gears 34 can be 3-10 groups, and the internal gears 34 are rotatably connected to the side wall of the reduction seat 13 through bearings, and the internal gears 34 are fixedly connected to the end of the supporting adjustment shaft 35 by plugging or riveting, and the end of the supporting adjustment shaft 35 away from the internal gear 34 is fixedly connected to the planetary reduction gear 245 by a fastening bolt or a snap.

[0092] When it is necessary to adjust the position of arc-shaped friction blocks 246 of different specifications on the planetary reduction wheel 245 so that the arc-shaped friction blocks 246 provide different meshing deceleration forces to the cycloidal needle disk 242, the adjustment drive motor 31 is turned on. The movement of the adjustment drive motor 31 can drive the drive gear 32 to rotate, thereby causing the drive gear 32 to drive the linkage ring gear 33 to rotate, and the linkage ring gear 33 drives the internal gear 34, the supporting adjustment shaft 35 and the planetary reduction wheel 245 to rotate, thereby realizing the adjustment of the position of the arc-shaped friction block 246.

[0093] In summary, the utility model provides a planetary cycloid hollow reducer. When working, the reduction drive motor 21 is started to drive the power steering assembly 22 to move. The power steering assembly 22 performs steering transmission on the power of the reduction drive motor 21, and the movement of the power steering assembly 22 can drive the cycloid reduction unit 24 to move. The cycloid reduction unit 24 reduces the power of the power steering assembly 22 and amplifies the torque. Then the cycloid reduction unit 24 transmits the power to the power output shaft 23. When it is necessary to adjust the deceleration force or lock the power output shaft 23, the adjustment drive motor 31 is turned on. The adjustment drive motor 31 can drive the adjustment linkage unit to move, so that the adjustment linkage unit drives the cycloid supporting unit to move. The cycloid supporting unit can adjust the meshing force of the cycloid reduction unit 24 or lock the cycloid reduction unit 24.

[0094] The embodiment of the utility model is provided with an engagement adjustment component 3, which is composed of an adjustment drive motor 31, an adjustment linkage part and a cycloid supporting part. The adjustment linkage part cooperates with the cycloid supporting part to flexibly adjust the engagement force of the cycloid speed reducer 24 or lock the cycloid speed reducer 24, thereby ensuring the stability and accuracy of the output speed.

[0095] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.

[0096] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A planetary cycloid hollow reducer, the planetary cycloid hollow reducer comprising: A reduction gear body (1), the reduction gear body (1) comprising an equipment mounting seat (11), a steering seat (12) and a reduction seat (13), the steering seat (12) being fixedly connected to the reduction seat (13), and the steering seat (12) and the reduction seat (13) being both fixedly mounted on the equipment mounting seat (11); The reducer power unit (2) is characterized in that the reducer power unit (2) comprises a reduction drive motor (21), a power steering assembly (22), a cycloid reduction unit (24) and a power output shaft (23), the reduction drive motor (21) is connected to the cycloid reduction unit (24) via the power steering assembly (22), the power steering assembly (22) is arranged in a steering seat (12), and the cycloid reduction unit (24) is connected to the power output shaft (23); An engagement adjustment component (3), the engagement adjustment component (3) being installed in the speed reduction seat (13), and the engagement adjustment component (3) being used to adjust the engagement force of the cycloid speed reduction part (24); Wherein, the engagement adjustment component (3) comprises: An adjusting drive motor (31), wherein the adjusting drive motor (31) is fixedly mounted in the reduction seat (13); an adjustment linkage portion fixedly connected to the adjustment drive motor (31), the adjustment linkage portion being used to adjust the meshing force of the cycloid deceleration portion (24); A cycloid support portion is provided in the speed reduction seat (13), and is used to support and limit the cycloid speed reduction portion (24).

2. The planetary cycloid hollow reducer according to claim 1, characterized in that: The power steering assembly (22) comprises: A power steering shaft (221), one end of the power steering shaft (221) being fixedly connected to the reduction drive motor (21), and the other end of the power steering shaft (221) passing through the steering seat (12) and being fixedly connected to a steering worm (222); A steering worm wheel (223) is rotatably mounted in the steering seat (12), one side of the steering worm wheel (223) is connected to the cycloid speed reduction unit (24), and the steering worm wheel (223) and the steering worm (222) are meshed and transmitted.

3. The planetary cycloid hollow reducer according to claim 2, characterized in that: The cycloid deceleration unit (24) comprises: A deceleration linkage shaft (243), wherein the deceleration linkage shaft (243) is disposed in the deceleration seat (13), and one end of the deceleration linkage shaft (243) is fixedly connected to a steering worm gear (223); At least one group of deceleration eccentric shafts (241) are rotatably connected to each other via bearings, one group of the deceleration eccentric shafts (241) is fixedly connected to the deceleration linkage shaft (243), and another group of the deceleration eccentric shafts (241) is fixedly connected to the power output shaft (23).

4. The planetary cycloid hollow reducer according to claim 3, characterized in that: The cycloid deceleration unit (24) further comprises: A planetary reduction assembly is provided in the reduction seat (13), and the planetary reduction assembly is sleeved on the outside of the reduction eccentric shaft (241), and the planetary reduction assembly is used to reduce the speed of the reduction eccentric shaft (241).

5. The planetary cycloid hollow reducer according to claim 4, characterized in that: The planetary reduction assembly comprises: At least one set of cycloidal needle disks (242), wherein the cycloidal needle disks (242) are embedded in the deceleration seat (13), and the deceleration eccentric shaft (241) is rotatably connected inside the cycloidal needle disks (242); At least one set of planetary limiting grooves (244), wherein the planetary limiting grooves (244) are arranged on the cycloid needle disk (242).

6. The planetary cycloid hollow reducer according to claim 5, characterized in that: The planetary reduction assembly also includes: At least one set of planetary reduction gears (245), wherein the planetary reduction gears (245) are arranged in the reduction seat (13), and the planetary reduction gears (245) are connected to the cycloid support portion; at least one group of arc-shaped friction blocks (246), wherein the arc-shaped friction blocks (246) are fixedly mounted on the planetary reduction gear (245), and the arc-shaped friction blocks (246) are used to frictionally reduce the speed of the cycloid needle disk (242); A cycloid limiting roller (247) cooperates with the planetary reduction gear (245), and the cycloid limiting roller (247) is fixedly mounted on the reduction seat (13).

7. The planetary cycloid hollow reducer according to claim 6, characterized in that: The adjustment linkage unit comprises: A driving gear (32), wherein the driving gear (32) is arranged in the reduction seat (13), and one side of the driving gear (32) is fixedly connected to the adjustment driving motor (31) by means of interference fit, and the other side of the driving gear (32) is rotatably connected to the side wall of the reduction seat (13).

8. The planetary cycloid hollow reducer according to claim 7, characterized in that: The adjustment linkage unit also includes: A linkage gear ring (33) is rotatably arranged in the reduction seat (13), and multiple groups of inner and outer teeth are circumferentially arranged on the inner and outer sides of the linkage gear ring (33), and the outer teeth of the linkage gear ring (33) are meshed with the driving gear (32) for transmission.

9. The planetary cycloid hollow reducer according to claim 8, characterized in that: The cycloid supporting portion comprises: At least one set of internal gears (34), the internal gears (34) being rotatably mounted in the reduction seat (13), and the internal gears (34) being meshed with the internal teeth of the linkage gear ring (33) for transmission; A supporting adjustment shaft (35) is arranged on one side of the internal gear (34), one end of the supporting adjustment shaft (35) is fixedly connected to the internal gear (34), and the other end of the supporting adjustment shaft (35) is detachably connected to a planetary reduction gear (245).

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