Built-in planetary reducer structure

Abstract

The utility model relates to the technical field of planetary speed reducers, in particular to a built-in planetary speed reducer structure. The problems that when a traction wheel is replaced in the prior art, the whole device needs to be detached, the detaching difficulty is large, the quality of a speed reducer module can be affected, and noise generated by meshing during operation of a traction device is large are solved. The speed reducer module comprises the speed reducer module body and the traction wheel, the traction wheel and the speed reducer module are installed in a split mode, the traction wheel and the speed reducer module are fixed through the bolts, replacement of the traction wheel is facilitated, overall disassembly and maintenance of equipment are convenient, and the quality of the speed reducer module cannot be affected; a tapered roller bearing supporting mode is adopted between the traction wheel and the bearing seat, the supporting stability of the bearing seat and the planet carrier is improved, a planet wheel in the speed reducer module is replaced with a bevel gear, the speed reducer runs more stably, therefore, the running noise of the speed reducer module is reduced, and the running operation effect of the speed reducer is better.

Description

Technical Field

[0001] The utility model relates to the technical field of planetary reducers, in particular to a built-in planetary reducer structure. Background Art

[0002] Planetary reducer is a widely used industrial product that can reduce the speed of the motor and increase the output torque at the same time. Planetary reducer can be used as a supporting component in industries such as lifting, excavation, transportation, and construction. The existing patent is a traction device and lifting equipment. The patent publication number is CN117623067A. The traction device includes: a traction wheel, a reduction module is integrated inside the traction wheel, and the reduction module is rigidly connected to the traction wheel; a driving component, the driving component is connected to the reduction module, and the driving component can drive the traction wheel to rotate through the reduction module, which can save some connecting components and reduce costs. By integrating the reduction module with the traction wheel, the internal space of the traction wheel can be fully utilized, greatly shortening the overall axial length of the traction device, making the traction device more widely applicable.

[0003] With respect to the above-mentioned related technologies, the applicant believes that the following defects exist: the traction wheel structure integrates the function of the planetary reducer bearing seat, which is integrated inside the traction wheel, and uses the internal space of the traction wheel to shorten the overall axial length of the traction device, and the reduction module is integrated with the traction wheel. Since the traction wheel is a wearing part, the entire device needs to be disassembled when replacing the traction wheel, which is difficult to disassemble and will affect the quality of the reducer module, making maintenance inconvenient. In addition, the planetary gear, ring gear, and sun gear tooth profile in the existing reducer module are generally a ruler structure, and the meshing noise generated by the traction device during operation is relatively large.

[0004] In order to solve the above problems, the present application proposes a structure with a built-in planetary reducer. Utility Model Content

[0005] (1) Technical issues to be solved

[0006] In order to solve the problem that the entire device needs to be disassembled when replacing the traction wheel, the disassembly is difficult and will affect the quality of the reducer module and the traction device generates a lot of noise when it is engaged during operation.

[0007] (2) Technical solution

[0008] 1. The technical solution of the utility model is: a built-in planetary reducer structure, including a reducer module body and a traction wheel, the traction wheel and the reducer module are installed separately, and also includes:

[0009] 2. It includes a reducer module body and a traction wheel, wherein the traction wheel and the reducer module are installed separately, and further includes:

[0010] A bearing seat, wherein the traction wheel is connected to the bearing seat on the reducer module by bolts;

[0011] A planet carrier, wherein the planet carrier is arranged in a bearing seat, and the bearing seat and the planet carrier do not contact each other;

[0012] A bearing, wherein the bearing is arranged between the bearing seat and the planet carrier;

[0013] A retaining ring, which is clamped and installed in a groove formed on the inner wall of the bearing seat, and is arranged in the middle of the bearing;

[0014] A distance ring, which is arranged on both sides of the retaining ring and is located in the bearing seat;

[0015] A gear ring connected to the bearing seat via screws;

[0016] A planetary gear, wherein the planetary gear is arranged to be clamped on the inner tooth surface of the gear ring;

[0017] The sun gear is arranged at the center of the planetary gears.

[0018] Furthermore, the right side of the bearing is fixed to the step of the planet carrier, and the left side of the bearing is fixed by a locking nut.

[0019] Furthermore, the locking nut passes through the interiors of the two bearings.

[0020] Furthermore, the bearing is a tapered roller bearing.

[0021] Furthermore, the inner teeth of the gear ring, the planetary gears and the sun gear are all arranged in a helical gear structure.

[0022] Furthermore, a connecting shaft is provided inside the planet carrier, and the connecting shaft is installed inside the planet carrier.

[0023] (3) Beneficial effects

[0024] Compared with the prior art, the beneficial effects of the utility model are:

[0025] The reducer module and the traction wheel are assembled in a split manner. The traction wheel and the reducer module are fixed by bolts, which is convenient for replacing the traction wheel. The overall disassembly and maintenance of the equipment is relatively convenient without affecting the quality of the reducer module. The support method of tapered roller bearings is adopted between the traction wheel and the bearing seat, which is beneficial to improve the support stability of the bearing seat and the planetary carrier. The planetary gears in the reducer module are replaced with helical gears, and the reducer runs more smoothly, thereby reducing the operating noise of the reducer module and improving the operating effect of the reducer. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1It is a schematic diagram of the overall installation structure of the utility model;

[0027] Figure 2 It is a structural schematic diagram of the traction wheel of the utility model;

[0028] Figure 3 It is a structural schematic diagram of the planet carrier of the utility model;

[0029] Figure 4 This is a disassembled view of the bearing seat and the gear ring of the utility model.

[0030] Explanation of the reference numerals: 1-traction wheel, 2-bearing seat, 3-retaining ring, 4-distance ring, 5-bearing, 6-planet carrier, 7-gear ring, 8-locking nut, 9-planetary gear, 10-sun gear, 11-connecting shaft. DETAILED DESCRIPTION

[0031] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0032] Embodiment 1:

[0033] 3. Please refer to Figure 1 The utility model provides an embodiment: a built-in planetary reducer structure, including a reducer module body and a traction wheel 1, the traction wheel 1 and the reducer module are installed separately, and also includes:

[0034] The bearing seat 2 and the traction sheave 1 are connected to the bearing seat 2 on the reducer module through bolts;

[0035] A planet carrier 6, wherein the planet carrier 6 is arranged in the bearing seat 2, and the bearing seat 2 and the planet carrier 6 do not contact each other;

[0036] Bearing 5, bearing 5 is arranged between bearing seat 2 and planet carrier 6;

[0037] The retaining ring 3 is mounted in a groove formed on the inner wall of the bearing seat 2 and is arranged in the middle of the bearing 5;

[0038] The distance ring 4 is arranged on both sides of the retaining ring 3, and the distance ring 4 is located in the bearing seat 2;

[0039] The gear ring 7 is connected to the bearing seat 2 by screws;

[0040] Planetary gear 9, which is arranged to be clamped on the inner tooth surface of the gear ring 7;

[0041] The sun gear 10 is arranged at the center of the planetary gear 9 .

[0042] Preferably, the reducer module body and the traction wheel 1 are assembled in a split manner, and the traction wheel 1 is fixed to the reducer module by bolts, which is convenient for replacing the traction wheel 1. The overall disassembly and maintenance of the equipment is relatively convenient without affecting the quality of the reducer module. The support method of tapered roller bearings 5 ​​is adopted between the traction wheel 1 and the bearing seat 2, which is beneficial to improve the supporting stability of the bearing seat 2 and the planetary carrier 6, thereby reducing the operating noise of the reducer module. The planetary gear 9 in the reducer module is replaced with a helical gear, and the reducer runs more smoothly.

[0043] Preferably, the right side of the bearing 5 is fixed to the step of the planet carrier 6 , and the left side of the bearing 5 is fixed by a locking nut 8 to prevent the planet carrier 6 from axial movement.

[0044] Preferably, the locking nut 8 passes through the interior of the two bearings 5 ​​to adjust the installation clearance between the two bearings 5 ​​.

[0045] Preferably, the bearing 5 is a tapered roller shaft, and the tapered roller bearing 5 is used as a support between the traction wheel 1 and the bearing seat 2, which is beneficial to improving the support stability of the bearing seat 2 and the planetary carrier 6 and avoiding wear of the reducer module during operation.

[0046] Preferably, the inner teeth of the gear ring 7, the planetary gears 9 and the sun gear 10 are all arranged in a helical gear structure to reduce the noise generated by the meshing of the reducer module body during operation.

[0047] Preferably, a connecting shaft 11 is provided inside the planet carrier 6 , and the connecting shaft 11 is installed inside the planet carrier 6 .

[0048] By using a split combination of the reducer module and the traction wheel 1, the traction wheel 1 and the reducer module are fixed by bolts, which facilitates the replacement of the traction wheel 1, and the overall disassembly and maintenance of the equipment is relatively convenient without affecting the quality of the reducer module. The support method of the tapered roller bearing 5 is adopted between the traction wheel 1 and the bearing seat 2, which is beneficial to improve the support stability of the bearing seat 2 and the planetary carrier 6, thereby reducing the operating noise of the reducer module. The planetary gear 9 in the reducer module is replaced with a helical gear, and the reducer runs more smoothly.

[0049] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A structure with a built-in planetary reducer, characterized in that: It comprises a reducer module body and a traction wheel (1), wherein the traction wheel (1) and the reducer module are installed separately, and further comprises: A bearing seat (2), wherein the traction wheel (1) is connected to the bearing seat (2) on the reducer module via bolts; A planet carrier (6), wherein the planet carrier (6) is arranged in the bearing seat (2), and the bearing seat (2) and the planet carrier (6) do not contact each other; A bearing (5), wherein the bearing (5) is arranged between the bearing seat (2) and the planet carrier (6); A retaining ring (3), the retaining ring (3) is mounted in a groove formed on the inner wall of the bearing seat (2), and the retaining ring (3) is arranged at a middle position of the bearing (5); A distance ring (4), wherein the distance ring (4) is arranged on both sides of the retaining ring (3), and the distance ring (4) is located inside the bearing seat (2); A gear ring (7), wherein the gear ring (7) is connected to the bearing seat (2) via screws; A planetary gear (9), wherein the planetary gear (9) is arranged to be clamped on the inner tooth surface of the gear ring (7); A sun gear (10), wherein the sun gear (10) is arranged at the center of the planetary gear (9).

2. The structure of a built-in planetary reducer according to claim 1, characterized in that: The right side of the bearing (5) is fixed to the step of the planet carrier (6), and the left side of the bearing (5) is fixed by a locking nut (8).

3. A built-in planetary reducer structure according to claim 2, characterized in that: The locking nut (8) passes through the interior of the two bearings (5).

4. The structure of a built-in planetary reducer according to claim 1, characterized in that: The bearing (5) is a tapered roller bearing.

5. The structure of a built-in planetary reducer according to claim 1, characterized in that: The inner teeth of the gear ring (7), the planetary gears (9) and the sun gear (10) are all arranged in a helical gear structure.

6. The structure of a built-in planetary reducer according to claim 1, characterized in that: A connecting shaft (11) is arranged inside the planet carrier (6), and the connecting shaft (11) is installed inside the planet carrier (6).

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