Overload protection gear motor

By combining the adapter gear set, clamping assembly, and contact assembly, the problem of wear between the rotating shaft and bushing of the geared motor under overload conditions is solved, thus achieving overload protection for the motor, preventing motor damage, and extending its service life.

CN223713756UActive Publication Date: 2025-12-23JIANGSU GUBANG METAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520047552.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2025-12-23
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

Under overload conditions, the existing geared motor experiences rapid wear between the rotating shaft and the bushing, resulting in a decrease in the coefficient of friction, which damages the motor and renders it unusable.

Method used

By cooperating with the adapter gear set, clamping assembly and contact assembly, the motor body is first slowed down and then braked when overloaded, preventing sudden braking and wear of the motor body.

Benefits of technology

It effectively prevents the drive rod of the motor body from being damaged or worn due to inertia, ensures that the motor stops operating normally under overload conditions, and extends the service life of the motor.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223713756U_ABST
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Abstract

The utility model belongs to the technical field of speed reduction motors, and particularly relates to an overload protection speed reduction motor, which comprises a speed reduction box assembly, an adapter gear set, an overload protection gear set, an overload protection gear set, an overload protection gear set, an overload protection gear set, an overload protection gear set, an overload protection gear set and an overload protection gear set, wherein the left end of the overload protection gear set is connected with the output end of a motor body; and the clamping assembly is arranged on the right side of the front end of the motor body, and the output end of the clamping assembly can be in contact with the right end of the switching gear set. According to the utility model, the deceleration driving of the reduction gearbox assembly can be secondarily slowed down, and the motor body can be firstly slowed down and then braked during overload; therefore, the driving rod of the motor main body is prevented from being abraded, and the situation that the motor main body is damaged and cannot be used is prevented.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of speed reducer motor, concretely to an overload protection speed reducer motor. BACKGROUND

[0002] Speed reducer motor refers to the integration of speed reducer and motor. This integration is also commonly known as gear motor or gear motor. Usually, professional speed reducer manufacturers integrate and assemble it, and then supply it as a complete set with motor.

[0003] The case with the publication number CN213341895U proposes that after the rotating shaft slips relative to the shaft sleeve, the rotating shaft and the shaft sleeve will be quickly worn, and the friction coefficient between the rotating shaft and the shaft sleeve will gradually decrease under the condition of frequent overload, thereby causing damage to the motor, and finally leading to the failure of the speed reducer motor to operate normally. To solve this problem, the case optimizes the case with the publication number CN213341895U to solve the above problem with a simple structure. Therefore, we propose an overload protection speed reducer motor. SUMMARY

[0004] In view of the above and / or existing problems in the overload protection speed reducer, the utility model is proposed.

[0005] Therefore, the utility model aims to provide an overload protection speed reducer, which slows down the motor body under overload by cooperating the switching gear set, clamping assembly and contact assembly, and then brakes to stop the operation of the motor body, thereby solving the above problems.

[0006] To solve the above technical problems, according to one aspect of the utility model, the utility model provides the following technical scheme:

[0007] An overload protection speed reducer comprises:

[0008] A speed reducer box assembly is connected to the output end of the motor body at the left end, and can slow down the driving of the motor body;

[0009] A switching gear set is rotatably connected to the inner bottom end of the speed reducer box assembly, and can slow down the speed reduction driving of the speed reducer box assembly twice;

[0010] A clamping assembly is arranged at the right side of the front end of the motor body, and the output end can be in contact with the right end of the switching gear set;

[0011] A contact assembly is arranged at the right end of the outer wall of the speed reducer box assembly, and can be inserted into the right end of the switching gear set.

[0012] As a kind of preferred scheme of the overload protection reduction motor of the utility model, wherein: the reduction gearbox assembly includes:

[0013] Reduction gearbox, left end is connected with the output end of motor body;

[0014] Output, it is set on the outer wall right end of reduction gearbox upside, and can be connected to device;

[0015] Reduction gear set, rotation is connected in the inside intermediate of reduction gearbox, and the drive of motor body can be reduced.

[0016] As a kind of preferred scheme of the overload protection reduction motor of the utility model, wherein: the adapter gear set includes:

[0017] Adapter gear, rotation is connected in the inside lower end left side of reduction gearbox by shaft;

[0018] Drive bevel gear, rotation is connected in the right end of adapter gear of the outer wall right end of shaft, and shaft right end port rotation connects rotation connecting piece;

[0019] Direction-changing reduction gear, rotation is connected in the inside bottom end intermediate of reduction gearbox, and surface left end mesh connects the bottom of drive bevel gear;

[0020] Follow-up bevel gear, mesh is connected in the surface right end of direction-changing reduction gear, and rotation is connected in the right end of rotation connecting piece by rotating rod;

[0021] Reduction assembly, rotation is connected in the outer wall right end of rotating rod.

[0022] As a kind of preferred scheme of the overload protection reduction motor of the utility model, wherein: the reduction assembly includes:

[0023] Reduction disc, rotation is connected in the outer wall right end of rotating rod;

[0024] Reduction relief, it is set in the outer wall both ends of reduction disc, and the output end of clamping assembly is contacted;

[0025] Reduction groove, it is set in the outer wall right end of reduction disc, and is set as ladder type, and can be inserted by contact assembly.

[0026] As a kind of preferred scheme of the overload protection reduction motor of the utility model, wherein: the clamping assembly includes:

[0027] Clamping cylinder, it is set in the front end right side of motor body;

[0028] Clamping block, it is set in the output end of clamping cylinder, and the inner wall of two sets of clamping blocks can be contacted with reduction relief.

[0029] As a preferred scheme of the overload protection reduction motor, the contact assembly comprises:

[0030] The hydraulic cylinder is arranged at the lower side of the right end of the outer wall of the reduction box assembly;

[0031] The top rod is connected to the output end of the hydraulic cylinder;

[0032] The helical gear is arranged around the outer wall of the top rod and can contact the inner wall of the reduction groove;

[0033] The convex column is arranged at the left end of the outer wall of the top rod and can contact the inner surface of the reduction groove.

[0034] Compared with the prior art,

[0035] The adapter gear set can perform secondary reduction on the reduction gear set of the reduction box assembly, and the cooperation of the clamping assembly and the contact assembly can first slow down and then brake the motor body during overload, so as to stop the operation of the motor body and prevent the driving rod of the motor body from being worn;

[0036] The clamping assembly clamps the reduction convex stripes of the reduction disc, thereby increasing the friction when the clamping assembly contacts, and in the process of continuous clamping, the rotation is first slowed down and then braked, thereby preventing sudden braking and causing damage or wear of the output rod of the motor body due to inertia, and preventing the motor body from being damaged during overload;

[0037] The contact assembly can be inserted into the inside of the reduction groove of the reduction disc, so that the motor body can be slowed down when the motor body is overloaded, and the clamping assembly is further used to brake, thereby preventing the motor body from being suddenly braked and causing damage or wear of the output rod of the motor body due to inertia. BRIEF DESCRIPTION OF DRAWINGS

[0038] Figure 1 The overall structure schematic view is provided for the utility model;

[0039] Figure 2 The overall main view cross-sectional structure schematic view is provided for the utility model;

[0040] Figure 3 The clamping assembly structure schematic view is provided for the utility model;

[0041] Figure 4 The reduction assembly left view structure schematic view is provided for the utility model;

[0042] Figure 5 The reduction assembly right view structure schematic view is provided for the utility model;

[0043] Figure 6 The contact assembly structure schematic diagram provided by the utility model.

[0044] In the figure: motor body 1, reduction box assembly 2, reduction box 21, output end 22, reduction gear set 23, adapter gear set 3, adapter gear 31, driving bevel gear 32, rotating connecting piece 33, direction-changing reduction gear 34, follow-up bevel gear 35, reduction assembly 36, reduction disc 361, reduction convex grain 362, reduction groove 363, clamping assembly 4, clamping cylinder 41, clamping block 42, contact assembly 5, hydraulic cylinder 51, jacking rod 52, bevel grain 53, convex column 54. DETAILED DESCRIPTION

[0045] In order to make the purpose, technical scheme and advantages of the utility model more clear, the embodiments of the utility model will be described in further detail below with reference to the drawings.

[0046] The utility model provides a kind of overload protection reduction motor, with the operation of the motor body 1 of secondary slowing down to the reduction drive of reduction box assembly 2, first slows down, then brakes when overload, to stop the operation of motor body 1, further prevent the drive rod of motor body 1 from wearing, prevent motor body 1 from being damaged, cause the advantage that the situation of unable to use occurs, please refer to Figures 1-6 , including reduction box assembly 2, adapter gear set 3, clamping assembly 4 and contact assembly 5;

[0047] Reduction box assembly 2, left end connects the output end of motor body 1, and can slow down the drive of motor body 1, and reduction box assembly 2 includes: reduction box 21, output end 22 and reduction gear set 23, reduction box 21, left end connects the output end of motor body 1, output end 22 is arranged on the outer wall right end upper side of reduction box 21, and can be connected to the device, and reduction gear set 23 is rotatably connected in the middle of the inside of reduction box 21, and can slow down the drive of motor body 1.

[0048] The adapter gear set 3 is rotationally connected to the inner bottom end of the reduction box assembly 2, and can perform secondary reduction on the reduction drive of the reduction box assembly 2. Through the adapter gear set 3, the reduction gear set 23 of the reduction box assembly 2 can be reduced twice, and through the cooperation of the clamping assembly 4 and the contact assembly 5, the motor body 1 can be slowed down first and then braked during overload, so as to stop the operation of the motor body 1, thereby preventing the driving rod of the motor body 1 from being worn and preventing the motor body 1 from being damaged, causing the motor body 1 to be unable to use. The adapter gear set 3 comprises: an adapter gear 31, a driving bevel gear 32, a rotation connecting piece 33, a direction-changing reduction gear 34, a follow-up bevel gear 35, a reduction assembly 36, a reduction disc 361, a reduction convex 362 and a reduction groove 363. The adapter gear 31 is rotationally connected to the inner lower left end of the reduction box 21 through a shaft. The driving bevel gear 32 is rotationally connected to the right end of the adapter gear 31 on the outer wall right end of the shaft. The right end of the shaft is rotationally connected to the rotation connecting piece 33. The direction-changing reduction gear 34 is rotationally connected to the inner bottom middle of the reduction box 21, and the surface left end is meshingly connected to the bottom of the driving bevel gear 32. The follow-up bevel gear 35 is meshingly connected to the surface right end of the direction-changing reduction gear 34, and is rotationally connected to the right end of the rotation connecting piece 33 through a rotation rod. The reduction assembly 36 is rotationally connected to the outer wall right end of the rotation rod. The reduction disc 361 is rotationally connected to the outer wall right end of the rotation rod. The reduction convex 362 is provided on the outer wall of the reduction disc 361, and is in contact with the output end of the clamping assembly 4. The reduction groove 363 is provided on the outer wall right end of the reduction disc 361, and is arranged in a stepped shape, and can be inserted by the contact assembly 5.

[0049] The clamping assembly 4 is provided on the front right side of the motor body 1, and the output end can be in contact with the right end of the adapter gear set 3. The clamping assembly 4 clamps the reduction convex 362 of the reduction disc 361, thereby increasing the friction when the clamping assembly 4 is in contact, and thereby in the process of continuous clamping, the rotation is slowed down first and then braked, preventing sudden braking, causing the output rod of the motor body to be damaged or worn due to inertia, preventing the motor body 1 from being damaged during overload. The clamping assembly 4 comprises: a clamping cylinder 41 and a clamping block 42. The clamping cylinder 41 is provided on the front right side of the motor body 1. The clamping block 42 is provided on the output end of the clamping cylinder 41, and the inner wall of the two clamping blocks 42 can be in contact with the reduction convex 362.

[0050] The contact assembly 5 is arranged at the lower side of the right end of the outer wall of the reduction box assembly 2 and can be inserted into the right end of the adapter gear set 3, and the reduction groove 363 of the reduction disc 361 can be inserted into the reduction groove 363 through the contact assembly 5, so that the motor body 1 can be slowed down when the motor body 1 is overloaded, and the brake is realized in cooperation with the clamping assembly 4, so as to prevent the motor body 1 from being suddenly braked, and the output rod of the motor body is damaged or worn due to inertia. The contact assembly 5 comprises a hydraulic cylinder 51, a top rod 52, a helical thread 53 and a convex column 54. The hydraulic cylinder 51 is arranged at the lower side of the right end of the outer wall of the reduction box assembly 2. The top rod 52 is connected to the output end of the hydraulic cylinder 51. The helical thread 53 is arranged on the outer wall of the top rod 52 and can be in contact with the inner wall of the reduction groove 363. The convex column 54 is arranged at the left end of the outer wall of the top rod 52 and can be in contact with the inner surface of the reduction groove 363.

[0051] In specific use, when the motor body 1 is overloaded, the hydraulic cylinder 51 is started, the top rod 52 and the convex column 54 are inserted into the reduction groove 363 of the reduction disc 361, the motor body 1 is slowed down, the clamping cylinder 41 is started at the same time, the clamping block 42 clamps the reduction convex stripes 362 at both ends of the outer wall of the reduction disc 361, and then the rotation is slowed down first and then braked in the process of continuous clamping, so as to prevent sudden braking and damage or wear of the output rod of the motor body due to inertia, and prevent the motor body 1 from being damaged when overloaded.

[0052] Although the utility model has been described above with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, the features in the embodiments disclosed by the utility model can be combined in any way, and the combinations are not described in this specification due to the consideration of omitting the length and saving resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An overload-protected geared motor characterized by: Include: Speed reducer box assembly (2), the left end is connected with the output end of motor body (1), and the drive of motor body (1) can be reduced; Adapter gear set (3), which is rotatably connected to the inside bottom end of the speed reducer box assembly (2), and can be used to reduce the speed of the speed reducer box assembly (2) twice; Clamping assembly (4) is arranged at the front end of the right side of the motor body (1), and the output end can be in contact with the right end of the adapter gear set (3); Contact assembly (5) is arranged at the right end of the lower side of the outer wall of the speed reducer box assembly (2), and can be inserted into the right end of the adapter gear set (3).

2. An overload-protected geared motor according to claim 1, characterized in that The speed reducer box assembly (2) comprises: Speed reducer box (21), the left end is connected with the output end of motor body (1); Output end (22) is arranged on the right side of the upper side of the outer wall of the speed reducer box (21), and can be connected with the device; Speed reducer gear set (23) is rotatably connected to the inside of the speed reducer box (21), and can be used to reduce the drive of motor body (1).

3. An overload-protected geared motor according to claim 1, wherein, The adapter gear set (3) comprises: Adapter gear (31) is rotatably connected to the inside lower end left side of the speed reducer box (21) through the shaft; Driving bevel gear (32) is rotatably connected to the right end of the adapter gear (31) on the right end of the outer wall of the shaft, and the right end of the shaft is rotatably connected with the rotating connecting piece (33); Variable direction speed reducer gear (34) is rotatably connected to the inside bottom end of the speed reducer box (21), and the surface left end is engaged with the bottom of the driving bevel gear (32); Follow-up bevel gear (35) is engaged with the surface right end of the variable direction speed reducer gear (34), and is rotatably connected to the right end of the rotating connecting piece (33) through the rotating rod; Speed reducer assembly (36) is rotatably connected to the right end of the outer wall of the rotating rod.

4. An overload-protected reduction gear as claimed in claim 3, characterized in that The speed reducer assembly (36) comprises: Speed reducer disc (361) is rotatably connected to the right end of the outer wall of the rotating rod; Speed reducer convex (362) is arranged on the outer wall of the speed reducer disc (361), and is in contact with the output end of the clamping assembly (4); Speed reducer groove (363) is arranged on the right end of the outer wall of the speed reducer disc (361), and is arranged in a stepped type, and can be inserted by the contact assembly (5).

5. An overload-protected, reduced-speed motor according to claim 1, wherein, The clamping assembly (4) comprises: Clamping cylinder (41) is arranged at the front end of the right side of the motor body (1); Clamping block (42) is arranged at the output end of the clamping cylinder (41), and the inner wall of the two clamping blocks (42) can be in contact with the speed reducer convex (362).

6. An overload-protected, reduced-speed motor according to claim 1, wherein, The contact assembly (5) comprises: Hydraulic cylinder (51) is arranged at the right end of the lower side of the outer wall of the speed reducer box assembly (2); Top rod (52) is connected with the output end of the hydraulic cylinder (51); Oblique tooth pattern (53) is arranged on the outer wall of the top rod (52), and can be in contact with the inner wall of the speed reducer groove (363); Convex column (54) is arranged on the left end of the outer wall of the top rod (52), and can be in contact with the inner surface of the speed reducer groove (363).

Citation Information

Patent Citations

  • Overload protection gear motor

    CN213341895U