Hollow planetary reducer

Abstract

The utility model discloses a hollow planetary speed reducer, which belongs to the technical field of speed reducers and solves the problems that a gear of an input component of an existing speed reducer and the interior of an input component of the existing speed reducer are not hollow, and cable laying and control over electronic elements of an RV speed reducer are not facilitated. An oil injection port is formed in the surface of the speed reducer shell, and a wire through groove is formed in the speed reducer shell. The planetary speed reduction mechanism comprises a hollow transmission assembly and an assembly type speed reduction assembly, the cable through groove penetrates through the hollow transmission assembly and the assembly type speed reduction assembly, and a cable transmission assembly is arranged in the cable through groove; according to the embodiment of the utility model, the cable transmission assembly is arranged and is arranged in the cable through groove, and the cable through groove penetrates through the hollow transmission assembly and the assembled speed reduction assembly which are arranged in a hollow manner, so that the control on the hollow transmission assembly, the assembled speed reduction assembly and electronic elements of the speed reducer is facilitated.

Description

Technical Field

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

[0002] Planetary reducer is a high-efficiency gear reducer, which is usually used between servo motors and other rotating devices to reduce the output speed and increase the torque. Planetary reducer can be used with various types of motors, including servo motors, stepper motors, etc., to adapt to different application scenarios and requirements. Planetary reducer has the characteristics of power splitting and multi-tooth meshing, which makes it have smaller structural size and lighter weight than other types of reducers when transmitting the same power. In addition, its construction allows compact layout and high-precision power transmission.

[0003] Chinese patent CN110792734A discloses a planetary cycloid micro RV reducer, comprising: a pin gear housing, three first limit blocks, three cycloid components, a cycloid wheel component, an input component and a base; one end of the cycloid component is movably connected to the base through a bearing, and the other end is connected to the input component and transmits; the rotation axes of the three cycloid components are parallel and sleeved in the cycloid wheel component, and the cycloid wheel component is sleeved in the pin gear housing; any first limit block is arranged between any two adjacent cycloid components to protect any two adjacent cycloid components; the three first limit blocks are fixedly connected to the base respectively; the cross-section of the first limit block is fan-shaped; however, the existing reducer input component gear and the input component adopt a non-hollow setting, which is not conducive to the laying of cables and the control of the electronic components of the RV reducer. In order to solve the above problems, we propose a hollow planetary reducer. Utility Model Content

[0004] The purpose of the utility model is to provide a hollow planetary reducer to address the deficiencies of the prior art, thereby solving the problem that the gears of the input assembly of the prior reducer and the interior of the input assembly adopt a non-hollow setting, which is not conducive to the laying of cables and the control of the electronic components of the RV reducer.

[0005] The utility model is implemented in this way: a hollow planetary reducer, the hollow planetary reducer comprising:

[0006] A reduction gear body, the reduction gear body comprising a reduction gear housing, an oil filling port is provided on the surface of the reduction gear housing, and a wire groove is provided inside the reduction gear housing;

[0007] A planetary reduction mechanism, wherein the planetary reduction mechanism is arranged in a reduction housing;

[0008] Wherein, the planetary reduction mechanism comprises:

[0009] A hollow transmission component, wherein the hollow transmission component is arranged in a reducer housing;

[0010] An assembled deceleration component connected to the hollow transmission component, the assembled deceleration component is used to decelerate the hollow transmission component and increase the transmission torque of the hollow transmission component;

[0011] The wire trough passes through the hollow transmission component and the assembled deceleration component, and a cable transmission component is arranged in the wire trough.

[0012] Preferably, the hollow transmission component comprises:

[0013] A power input shaft, the power input shaft is arranged in the reducer housing, and the power input shaft is rotatably connected to the reducer housing, the power input shaft is hollow inside, and the cable transmission assembly passes through the power input shaft;

[0014] A power output seat is arranged on one side of the reduction gear housing, the interior of the power output seat is hollow, the cable transmission assembly also passes through the power output seat, and the power output seat is detachably connected to the assembled reduction assembly.

[0015] Preferably, the assembled reduction assembly comprises:

[0016] A cycloid speed reducer, which is arranged on one side of the power input shaft and is detachably connected to the end of the power input shaft;

[0017] The planetary reduction unit is arranged on one side of the cycloid reduction unit, and the cycloid reduction unit and the planetary reduction unit are detachably connected, and the side of the planetary reduction unit away from the cycloid reduction unit is detachably connected to the power output seat.

[0018] Preferably, the cycloid deceleration unit comprises:

[0019] A first gear, wherein the first gear is disposed on one side of the power input shaft, and a side wall of the first gear is detachably connected to an end of the power input shaft;

[0020] At least one set of second gears, wherein the second gears are rotatably mounted between the reduction gear housings and are rotatably connected, and the second gears are meshed with the first gears for transmission.

[0021] Preferably, the cycloid deceleration unit further comprises:

[0022] At least one set of third gears, wherein the third gears are rotatably connected to the reducer housing, and one end of the third gears extends into the second gears, and the third gears are meshed with the inner wall of the second gears for transmission;

[0023] a deceleration cam mounted on an end of the third gear;

[0024] A deceleration wobble plate is arranged in the deceleration housing, and a plurality of cam limiting grooves are arranged in the deceleration wobble plate, and a deceleration cam is movably arranged in the cam limiting grooves.

[0025] Preferably, the cycloid deceleration unit further comprises:

[0026] At least one set of wobble plate teeth, wherein the wobble plate teeth are provided on the outer side wall of the deceleration wobble plate;

[0027] The wobble plate needle teeth are movably connected to the wobble plate tooth grooves, and the wobble plate needle teeth are fixedly installed in the reducer housing. The wobble plate needle teeth are used to limit and reduce the speed of the reduction wobble plate.

[0028] Preferably, the planetary reduction unit comprises:

[0029] A gear linkage shaft, the gear linkage shaft is arranged at one end of the first gear, and the gear linkage shaft is detachably connected to the side wall of the first gear;

[0030] A fourth gear is fixedly mounted on the end of the gear linkage shaft.

[0031] Preferably, the planetary reduction unit further comprises:

[0032] At least one set of fifth gears, wherein the fifth gears are arranged on one side of the fourth gears, and the fifth gears are meshed with the fourth gears for transmission, and the fifth gears are rotationally connected to the power output seat;

[0033] A limit gear ring is fixedly mounted in the reducer housing, and the limit gear ring is meshed with the fifth gear for transmission.

[0034] Preferably, the cable transmission assembly comprises:

[0035] A cable protection seat, the cable protection seat is fixedly installed in the cable trough;

[0036] A transmission cable is fixedly installed in the cable protection seat.

[0037] Preferably, the cable transmission assembly further comprises:

[0038] At least one set of auxiliary heat dissipation teeth, wherein the auxiliary heat dissipation teeth are fixedly mounted on the outer wall of the cable protection seat;

[0039] The heat collecting groove is installed on the side wall of the auxiliary heat dissipation tooth, and is used to absorb the heat in the reducer housing and provide auxiliary protection for the transmission cable.

[0040] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0041] The embodiment of the utility model is provided with a cable transmission component, and the cable transmission component is arranged in a wire through groove, and the wire through groove passes through the hollow transmission component and the assembled reduction assembly arranged in the hollow, so as to facilitate the control of the hollow transmission component, the assembled reduction assembly and the electronic components of the reducer, and also avoid the hollow transmission component and the assembled reduction assembly from interfering with the operation of the control cable during operation.

[0042] The embodiment of the utility model is provided with a planetary reduction mechanism, which is composed of a hollow transmission component and an assembled reduction component. The hollow transmission component and the assembled reduction component work together to start the fast and accurate speed limit of the hollow transmission component, and both the hollow transmission component and the assembled reduction component are hollow in design, which facilitates the laying of cables in the wire trough. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 It is a structural schematic diagram of a hollow planetary reducer provided by the utility model.

[0044] Figure 2 It is a front view of the hollow planetary reducer provided by the utility model.

[0045] Figure 3 yes Figure 2 AA section view.

[0046] Figure 4 It is a structural schematic diagram of the planetary reduction mechanism provided by the utility model.

[0047] Figure 5 It is a three-dimensional structural schematic diagram of the planetary reduction mechanism provided by the utility model.

[0048] Figure 6 It is a front view of the planetary reduction mechanism provided by the utility model.

[0049] Figure 7 It is a structural schematic diagram of the cycloid speed reduction unit provided by the utility model.

[0050] Figure 8 It is an axonometric diagram of the cycloid speed reducer provided by the utility model.

[0051] Fig. 9 It is a front view of the cycloid speed reducer provided by the utility model.

[0052] Fig.10 It is a side view of the cycloid speed reducer provided by the utility model.

[0053] Fig.11 It is a structural schematic diagram of the cable transmission component provided by the utility model.

[0054] Fig.12It is a front view of the cable transmission assembly provided by the utility model.

[0055] Fig.13 yes Fig.12 BB section view.

[0056] In the figure: 1-reduction body, 11-reduction housing, 12-oil filling port, 13-wire groove, 2-hollow transmission component, 21-power input shaft, 22-power output seat, 3-cable transmission component, 31-cable protection seat, 32-auxiliary heat dissipation teeth, 33-heat collecting groove, 34-transmission cable, 4-assembled reduction assembly, 41-cycloid reduction unit, 411-first gear, 412-second gear, 413-third gear, 414-reduction cam, 415-reduction wobble plate, 416-cam limit groove, 417-wobble plate tooth groove, 418-wobble plate needle tooth, 42-planetary reduction unit, 421-gear linkage shaft, 422-fourth gear, 423-fifth gear, 424-limiting gear ring. DETAILED DESCRIPTION

[0057] 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.

[0058] The existing reducer input component gears and the input component adopt a non-hollow setting, which is not conducive to the laying of cables and the control of the RV reducer electronic components. In order to solve the above problems, we propose a hollow planetary reducer. In short, the reducer includes a reducer body 1 and a planetary reduction mechanism. The reducer body 1 includes a reducer housing 11. The surface of the reducer housing 11 is provided with an oil filling port 12. The reducer housing 11 is provided with a wire groove 13. The planetary reduction mechanism includes a hollow transmission component 2 and an assembled reduction component 4 connected to the hollow transmission component 2. The wire groove 13 runs through the hollow transmission component 2 and the assembled reduction component 4, and a cable transmission component 3 is provided in the wire groove 13. When working, the hollow transmission component 2 is turned on, and the hollow transmission component 2 drives the assembled deceleration component 4 to move, and the assembled deceleration component 4 decelerates the hollow transmission component 2, thereby achieving the purpose of reducing the output speed of the hollow transmission component 2 and increasing the output torque, and the cable transmission component 3 can control the operation of the hollow transmission component 2 and the assembled deceleration component 4 when the hollow transmission component 2 and the assembled deceleration component 4 are running, which also facilitates the control of the electronic components of the reducer. The embodiment of the utility model is provided with a cable transmission component 3, and the cable transmission component 3 is arranged in a wire groove 13, and the wire groove 13 passes through the hollow transmission component 2 and the assembled deceleration component 4, which facilitates the control of the hollow transmission component 2, the assembled deceleration component 4 and the electronic components of the reducer, and also avoids the interference of the operation of the control cable when the hollow transmission component 2 and the assembled deceleration component 4 are running.

[0059] The utility model embodiment provides a hollow planetary reducer, such as Figure 1-Figure 3 As shown, the hollow planetary reducer includes:

[0060] The reducer body 1 comprises a reducer housing 11 , an oil filling port 12 is provided on the surface of the reducer housing 11 , and a wire groove 13 is provided inside the reducer housing 11 .

[0061] It should be noted that the reducer housing 11 is made of cast iron, stainless steel or aluminum alloy that is easy to dissipate heat, and the reducer housing 11 can specifically be an internal hollow round seat or rectangular seat structure. At the same time, power transmission grooves are respectively provided at both ends of the reducer housing 11, and the power transmission grooves are sealed and rotatably connected to the hollow transmission component 2. At least one group of oil filling ports 12 are provided on the upper surface of the reducer housing 11, and the oil filling ports 12 are used to inject lubricating oil into the reducer housing 11.

[0062] A planetary reduction mechanism, wherein the planetary reduction mechanism is arranged in a reduction housing 11;

[0063] Wherein, the planetary reduction mechanism comprises:

[0064] A hollow transmission component 2, wherein the hollow transmission component 2 is disposed in the reducer housing 11;

[0065] An assembled deceleration component 4 connected to the hollow transmission component 2, the assembled deceleration component 4 is used to decelerate the hollow transmission component 2 and increase the transmission torque of the hollow transmission component 2;

[0066] The wire-through groove 13 passes through the hollow transmission component 2 and the assembled speed reduction component 4 , and a cable transmission component 3 is disposed in the wire-through groove 13 .

[0067] The embodiment of the utility model is provided with a planetary reduction mechanism, which is composed of a hollow transmission component 2 and an assembled reduction component 4. The hollow transmission component 2 and the assembled reduction component 4 work together to start the fast and accurate speed limit of the hollow transmission component 2, and the hollow transmission component 2 and the assembled reduction component 4 are both hollow, which facilitates the layout of cables in the wire trough 13.

[0068] In this embodiment, when working, the hollow transmission component 2 is turned on, the hollow transmission component 2 drives the assembled reduction component 4 to move, and the assembled reduction component 4 reduces the speed of the hollow transmission component 2, thereby achieving the purpose of reducing the output speed of the hollow transmission component 2 and increasing the output torque, and the cable transmission component 3 can control the operation of the hollow transmission component 2 and the assembled reduction component 4 when the hollow transmission component 2 and the assembled reduction component 4 are running, which also facilitates the control of the reducer electronic components.

[0069] The embodiment of the utility model is provided with a cable transmission component 3, and the cable transmission component 3 is arranged in a wire groove 13. The wire groove 13 passes through the hollow transmission component 2 and the assembled reduction component 4, which are arranged in the hollow, so as to facilitate the control of the hollow transmission component 2, the assembled reduction component 4 and the electronic components of the reducer, and also avoid the hollow transmission component 2 and the assembled reduction component 4 from interfering with the operation of the control cable during operation.

[0070] In a further preferred embodiment of the present invention, Figure 4-Figure 6 As shown, the hollow transmission component 2 includes:

[0071] A power input shaft 21, wherein the power input shaft 21 is disposed in the reducer housing 11, and the power input shaft 21 is rotatably connected to the reducer housing 11, the power input shaft 21 is hollow inside, and the cable transmission assembly 3 passes through the power input shaft 21;

[0072] It should be noted that the middle part of the power input shaft 21 is rotatably connected to the end wall of the reducer housing 11 by means of a sealing flange and a bearing ring, and the end of the power input shaft 21 can be fixedly connected to an external power motor or motor by means of fastening bolts, and the power motor or motor is existing technology and is not limited here.

[0073] A power output seat 22 is arranged on one side of the reduction gear housing 11 , and the interior of the power output seat 22 is hollow. The cable transmission assembly 3 also passes through the power output seat 22 . The power output seat 22 and the assembled reduction assembly 4 are detachably connected.

[0074] In this embodiment, the power output seat 22 can be a triangular seat or triangular frame structure with a hollow interior. A transmission rod can be fixedly connected to one side wall of the power output seat 22. The transmission rod can be connected to an external power device through a gear set, a sprocket or a belt set, thereby reducing the rotation speed and increasing the torque.

[0075] In a further preferred embodiment of the present invention, Figure 4 and Figure 7 As shown, the assembled deceleration assembly 4 includes:

[0076] A cycloid deceleration unit 41, wherein the cycloid deceleration unit 41 is disposed on one side of the power input shaft 21, and the cycloid deceleration unit 41 is detachably connected to an end of the power input shaft 21;

[0077] The planetary reduction unit 42 is arranged on one side of the cycloid reduction unit 41 , and the cycloid reduction unit 41 and the planetary reduction unit 42 are detachably connected, and the side of the planetary reduction unit 42 away from the cycloid reduction unit 41 is detachably connected to the power output seat 22 .

[0078] The embodiment of the utility model is provided with an assembled reduction speed component 4, which is composed of a cycloid reduction unit 41 and a planetary reduction unit 42. The cycloid reduction unit 41 and the planetary reduction unit 42 cooperate to achieve sufficient reduction in speed of the power input shaft 21, and the cycloid reduction unit 41 and the planetary reduction unit 42 are relatively easy to install, and the reduction effect is better than the prior art.

[0079] In a further preferred embodiment of the present invention, Figure 7-Figure 10 As shown, the cycloid deceleration unit 41 includes:

[0080] A first gear 411, wherein the first gear 411 is disposed on one side of the power input shaft 21, and a side wall of the first gear 411 is detachably connected to an end of the power input shaft 21;

[0081] It should be noted that the first gear 411 is fixedly connected to the end of the power input shaft 21 by fastening bolts or buckles, and the first gear 411 is hollow inside, and the wire groove 13 passes through the first gear 411 .

[0082] At least one set of second gears 412 , the second gears 412 are rotatably mounted and rotatably connected between the reduction gear housing 11 , and the second gears 412 and the first gears 411 are meshed for transmission.

[0083] In this embodiment, the number of the second gears 412 can be three or four groups, and the second gears 412 are circumferentially arranged on the outer wall of the first gear 411, and one side of the second gear 412 is rotatably connected to the inner wall of the reducer housing 11 through a bearing. At the same time, the interior of the second gear 412 is hollow, and teeth are provided inside the second gear 412.

[0084] At least one set of third gears 413 , the third gears 413 are rotatably connected to the reduction gear housing 11 , and one end of the third gear 413 extends into the second gear 412 , and the third gear 413 is meshed with the inner wall of the second gear 412 for transmission.

[0085] In this embodiment, the third gear 413 is meshed with the teeth set in the second gear 412 for transmission. The setting of the third gear 413 achieves sufficient deceleration of the second gear 412, and the third gear 413 can be rotatably connected to the reducer housing 11 through a bearing seat or a limit ring.

[0086] The deceleration cam 414 is installed at the end of the third gear 413, and the deceleration cam 414 is fixedly connected to the end of the third gear 413 by plugging or riveting.

[0087] A deceleration wobble plate 415 is disposed in the deceleration housing 11 . A plurality of cam limiting grooves 416 are provided in the deceleration wobble plate 415 . The deceleration cam 414 is movably disposed in the cam limiting grooves 416 .

[0088] In this embodiment, the deceleration wobble plate 415 can be a round seat with a hollow interior, and the number of the cam limiting grooves 416 is consistent with the number of the deceleration cam 414 and the third gear 413. The cam limiting grooves 416 can be a circular groove or a rectangular groove structure. The setting of the cam limiting grooves 416 realizes the guiding and limiting of the deceleration cam 414, thereby avoiding the deceleration wobble plate 415 from falling off or deviating when the deceleration cam 414 drives the deceleration wobble plate 415.

[0089] At least one set of wobble plate tooth grooves 417, wherein the wobble plate tooth grooves 417 are provided on the outer side wall of the deceleration wobble plate 415;

[0090] The wobble plate needle teeth 418 are movably connected to the wobble plate tooth grooves 417 , and the wobble plate needle teeth 418 are fixedly installed in the reduction housing 11 . The wobble plate needle teeth 418 are used to limit and reduce the speed of the reduction wobble plate 415 .

[0091] In this embodiment, the wobble plate tooth groove 417 can be a semicircular groove or an arc groove, and the wobble plate tooth groove 417 is evenly distributed on the outer wall of the reduction wobble plate 415, and the cycloidal needle teeth can be round rollers or round rods made of wear-resistant materials. The outer wall of the cycloidal needle teeth can be provided with anti-slip grooves to enhance its deceleration effect. The cycloidal needle teeth can be fixedly installed in the reduction housing 11 by threading or plugging.

[0092] During operation, when the power input shaft 21 rotates, it can drive the first gear 411 to rotate, the first gear 411 drives the second gear 412 to rotate, the second gear 412 drives the third gear 413 to rotate, the third gear 413 drives the deceleration cam 414 to rotate, the deceleration cam 414 drives the deceleration wobble plate 415 to swing in the deceleration housing 11, and at the same time, the wobble plate needle teeth 418 can limit and decelerate the deceleration wobble plate 415 when it swings, thereby achieving the purpose of decelerating the rotation of the first gear 411.

[0093] In a further preferred embodiment of the present invention, Figure 4 , Figure 7-Figure 8 As shown, the planetary reduction unit 42 includes:

[0094] A gear linkage shaft 421, wherein the gear linkage shaft 421 is disposed at one end of the first gear 411, and the gear linkage shaft 421 is detachably connected to a side wall of the first gear 411;

[0095] In this embodiment, one end of the gear linkage shaft 421 is fixedly connected to the side wall of the first gear 411 by plugging or snapping, and the middle part of the gear linkage shaft 421 is rotatably connected to the reducer housing 11 through a bearing.

[0096] The fourth gear 422 is fixedly mounted on the end of the gear linkage shaft 421 . The fourth gear 422 and the gear linkage shaft 421 are fixedly connected by fastening bolts or riveting.

[0097] At least one set of fifth gears 423, wherein the fifth gears 423 are disposed on one side of the fourth gear 422, and the fifth gears 423 are meshed with the fourth gears 422 for transmission, and the fifth gears 423 are rotationally connected to the power output seat 22;

[0098] The limiting gear ring 424 is fixedly mounted in the reduction gear housing 11 , and the limiting gear ring 424 is meshed with the fifth gear 423 for transmission.

[0099] In this embodiment, the fifth gear 423 is evenly distributed circumferentially on one side of the fourth gear 422, and the fifth gear 423 is rotationally connected to the power output seat 22 through a bearing or a roller, and the limiting gear ring 424 is fixedly installed in the reducer housing 11 by fastening bolts or riveting.

[0100] During operation, the decelerated first gear 411 drives the gear linkage shaft 421 and the fourth gear 422 to rotate, the fourth gear 422 drives the fifth gear 423 to rotate, and the fifth gear 423 drives the power output seat 22 to rotate, thereby further achieving the purpose of decelerating the rotation of the first gear 411.

[0101] In a further preferred embodiment of the present invention, Figure 11-13 As shown, the cable transmission component 3 includes:

[0102] A cable protection seat 31, the cable protection seat 31 is fixedly installed in the wire groove 13, the cable protection seat 31 is made of heat-insulating material, and the cable protection seat 31 can be a round seat with a hollow interior, and the cable protection seat 31 is fixedly connected to the reduction gear housing 11 by fastening bolts or clamps;

[0103] A transmission cable 34 is fixedly installed in the cable protection seat 31 .

[0104] It should be noted that the transmission cable 34 can be a linear or spiral cable, and the transmission cable 34 is fixed in the cable protection seat 31 by means of a buckle.

[0105] At least one set of auxiliary heat dissipation teeth 32, wherein the auxiliary heat dissipation teeth 32 are fixedly mounted on the outer wall of the cable protection seat 31;

[0106] The heat collecting groove 33 installed on the side wall of the auxiliary heat dissipation tooth 32 is used to absorb the heat in the reducer housing 11 and provide auxiliary protection for the transmission cable 34. The heat collecting groove 33 can be a corrugated, arc-shaped or sawtooth-shaped structure.

[0107] In this embodiment, the auxiliary heat dissipation teeth 32 are circumferentially arranged on the outer wall of the cable protection seat 31. The auxiliary heat dissipation teeth 32 are made of aluminum or graphene. The arrangement of the auxiliary heat dissipation teeth 32 facilitates the centralized absorption of heat in the reducer housing 11, which can not only provide heat dissipation protection for the planetary reduction mechanism components, but also provide heat insulation protection for the transmission cable 34, thereby ensuring the normal operation of the planetary reduction mechanism and the transmission cable 34.

[0108] In summary, the utility model provides a hollow planetary reducer. When working, the hollow transmission component 2 is turned on, and the hollow transmission component 2 drives the assembled reduction component 4 to move. The assembled reduction component 4 reduces the speed of the hollow transmission component 2, thereby achieving the purpose of reducing the output speed of the hollow transmission component 2 and increasing the output torque. The cable transmission component 3 can control the operation of the hollow transmission component 2 and the assembled reduction component 4 when the hollow transmission component 2 and the assembled reduction component 4 are running, which also facilitates the control of the electronic components of the reducer.

[0109] The embodiment of the utility model is provided with a cable transmission component 3, and the cable transmission component 3 is arranged in a wire groove 13. The wire groove 13 passes through the hollow transmission component 2 and the assembled reduction component 4, which are arranged in the hollow, so as to facilitate the control of the hollow transmission component 2, the assembled reduction component 4 and the electronic components of the reducer, and also avoid the hollow transmission component 2 and the assembled reduction component 4 from interfering with the operation of the control cable during operation.

[0110] 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.

[0111] 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 hollow planetary reducer, comprising: A reduction gear body (1), the reduction gear body (1) comprising a reduction gear housing (11), an oil filling port (12) being provided on the surface of the reduction gear housing (11), and a wire groove (13) being provided inside the reduction gear housing (11); Characterized in that the planetary reduction mechanism is arranged in a reduction housing (11); Wherein, the planetary reduction mechanism comprises: A hollow transmission component (2), wherein the hollow transmission component (2) is arranged in a reducer housing (11); An assembled deceleration component (4) connected to the hollow transmission component (2), the assembled deceleration component (4) being used to decelerate the hollow transmission component (2) and increase the transmission torque of the hollow transmission component (2); The wire-through groove (13) passes through the hollow transmission component (2) and the assembled speed reduction component (4), and a cable transmission component (3) is arranged in the wire-through groove (13).

2. The hollow planetary reducer according to claim 1, characterized in that: The hollow transmission component (2) comprises: A power input shaft (21), the power input shaft (21) is disposed in the reducer housing (11), and the power input shaft (21) is rotatably connected to the reducer housing (11), the power input shaft (21) is hollow inside, and the cable transmission assembly (3) passes through the power input shaft (21); A power output seat (22) is arranged on one side of the speed reducer housing (11), the interior of the power output seat (22) is hollow, the cable transmission assembly (3) also passes through the power output seat (22), and the power output seat (22) and the assembled speed reducer assembly (4) are detachably connected.

3. The hollow planetary reducer according to claim 2, characterized in that: The assembled speed reduction assembly (4) comprises: A cycloid deceleration unit (41), the cycloid deceleration unit (41) being arranged on one side of the power input shaft (21), and the cycloid deceleration unit (41) is detachably connected to an end of the power input shaft (21); A planetary reduction unit (42), wherein the planetary reduction unit (42) is arranged on one side of the cycloid reduction unit (41), and the cycloid reduction unit (41) and the planetary reduction unit (42) are detachably connected, and a side of the planetary reduction unit (42) away from the cycloid reduction unit (41) is detachably connected to the power output seat (22).

4. The hollow planetary reducer according to claim 3, characterized in that: The cycloid deceleration unit (41) comprises: A first gear (411), the first gear (411) being arranged on one side of the power input shaft (21), and a side wall of the first gear (411) being detachably connected to an end of the power input shaft (21); At least one set of second gears (412), wherein the second gears (412) are rotatably mounted and rotatably connected between the reduction gear housing (11), and the second gears (412) are meshed and transmitted with the first gears (411).

5. The hollow planetary reducer according to claim 4, characterized in that: The cycloid deceleration unit (41) further comprises: at least one set of third gears (413), wherein the third gears (413) are rotatably connected to the reduction gear housing (11), and one end of the third gear (413) extends into the second gear (412), and the third gear (413) is meshed with the inner wall of the second gear (412) for transmission; a deceleration cam (414) mounted on an end of the third gear (413); A deceleration wobble plate (415) is arranged in the deceleration housing (11), and a plurality of groups of cam limiting grooves (416) are provided in the deceleration wobble plate (415). A deceleration cam (414) is movably arranged in the cam limiting groove (416).

6. The hollow planetary reducer according to claim 5, characterized in that: The cycloid deceleration unit (41) further comprises: at least one set of wobble plate tooth grooves (417), wherein the wobble plate tooth grooves (417) are provided on the outer side wall of the deceleration wobble plate (415); A wobble plate needle tooth (418) movably connected to the wobble plate tooth groove (417), the wobble plate needle tooth (418) being fixedly mounted in the speed reducer housing (11), and the wobble plate needle tooth (418) being used to limit and decelerate the speed reduction wobble plate (415).

7. The hollow planetary reducer according to any one of claims 4 to 6, characterized in that: The planetary reduction unit (42) comprises: A gear linkage shaft (421), wherein the gear linkage shaft (421) is disposed at one end of the first gear (411), and the gear linkage shaft (421) is detachably connected to a side wall of the first gear (411); A fourth gear (422), wherein the fourth gear (422) is fixedly mounted on the end of the gear linkage shaft (421).

8. The hollow planetary reducer according to claim 7, characterized in that: The planetary reduction unit (42) further includes: at least one set of fifth gears (423), wherein the fifth gears (423) are arranged on one side of the fourth gear (422), the fifth gears (423) are meshed with the fourth gears (422) for transmission, and the fifth gears (423) are rotationally connected to the power output seat (22); A limit gear ring (424) is fixedly mounted in the reducer housing (11), and the limit gear ring (424) is meshed with the fifth gear (423) for transmission.

9. The hollow planetary reducer according to claim 7, characterized in that: The cable transmission assembly (3) comprises: A cable protection seat (31), wherein the cable protection seat (31) is fixedly installed in the cable passage groove (13); A transmission cable (34) is fixedly mounted in the cable protection seat (31).

10. The hollow planetary reducer according to claim 9, characterized in that: The cable transmission assembly (3) further comprises: At least one set of auxiliary heat dissipation teeth (32), wherein the auxiliary heat dissipation teeth (32) are fixedly mounted on the outer wall of the cable protection seat (31); A heat collecting groove (33) is installed on the side wall of the auxiliary heat dissipation tooth (32), and the heat collecting groove (33) is used to absorb heat in the reducer housing (11) and provide auxiliary protection for the transmission cable (34).

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