Gear shaft structure of high-torque gear reducer

By introducing a separation and support mechanism into the gear reducer, the problem of gear shaft breakage under high torque is solved, enabling convenient disassembly and replacement of gears and reducing maintenance costs.

CN223854809UActive Publication Date: 2026-01-30NORK TRANSMISSION EQUIP (ZHEJIANG) CO LTD
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Patent Information

Application Number
CN202520602516.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-01-30
Estimated Expiration
2035-04-01

AI Technical Summary

Technical Problem

Traditional gear reducers are prone to tooth root fracture when subjected to high torque, resulting in high overall replacement and maintenance costs.

Method used

A gear shaft structure for a high-torque gear reducer was designed, employing a separation mechanism and a support mechanism. The gears are detachably fixed and stably installed through components such as a separation seat, a fixed column, a helical gear, a lead screw, and a support plate.

Benefits of technology

It enables convenient disassembly and replacement of gears, reduces maintenance costs, and improves connection stability and tightness.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of gear shafts, and discloses a gear shaft structure of a high-torque gear reducer, which comprises a shaft body and a gear, a separating mechanism is arranged outside the shaft body, a supporting mechanism is arranged at one end of the separating mechanism, the separating mechanism comprises a separating seat and a fixing groove, and the fixing groove is arranged in the separating seat. A fixing column is fixedly connected to the exterior of the separating seat, a fixing hole is formed in the exterior of the separating seat, a rotating rod is rotatably connected to the interior of a fixing groove, a first bevel gear is fixedly connected to the exterior of the rotating rod, a second bevel gear is meshed with the exterior of the first bevel gear, and a lead screw is fixedly connected to the middle of the second bevel gear. According to the gear shaft structure of the high-torque gear reducer, fixing of the gear can be relieved through the separating mechanism, the gear can be detached, and therefore the effect that the gear is convenient to replace and maintain is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to gear shaft technical field, concretely is a gear shaft structure of high torque gear speed reducer. BACKGROUND

[0002] Gear shaft refers to the mechanical part that supports rotating parts and rotates with them to transmit motion, torque or bending moment. It is generally a metal round rod, and each section can have different diameters. The parts that make rotary motion in the machine are installed on the shaft, and the gear shaft is an essential component in the speed reducer.

[0003] The gear shaft of the traditional gear speed reducer is prone to root fracture when bearing high torque, and the gear and the shaft body are mostly integrated structure, which makes it necessary to replace and maintain the whole when the gear shaft needs to be repaired, and the cost is high. Therefore, we need a gear shaft structure of high torque gear speed reducer. UTILITY MODEL CONTENTS

[0004] The utility model discloses a gear shaft structure of high torque gear speed reducer aims at solving the problems in the prior art.

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme: a gear shaft structure of high torque gear speed reducer, comprising a shaft body and a gear, the outside of the shaft body is provided with a separation mechanism, one end of the separation mechanism is provided with a supporting mechanism;

[0006] The separation mechanism comprises a separation seat and a fixed groove, the outside of the separation seat is fixedly connected with a fixed column, the outside of the separation seat is provided with a fixed hole, the inside of the fixed groove is rotatably connected with a rotating rod, the outside of the rotating rod is fixedly connected with a first helical gear, the outside of the first helical gear is engaged with a second helical gear, the middle part of the second helical gear is fixedly connected with a lead screw, the outside of the lead screw is screw connected with an adjusting block, the outside of the adjusting block is fixedly connected with a mounting block, one end of the mounting block is fixedly connected with a positioning column, one end of the separation seat is screw connected with a positioning seat.

[0007] Preferably, the separation seat is fixedly connected to the outside of the shaft body, and the fixed groove is formed in the inside of the shaft body.

[0008] Preferably, the fixed column and the fixed hole are provided with a plurality of fixed columns and fixed holes, and the positions of the plurality of fixed columns and fixed holes are matched, and the inside of the gear is provided with a connecting hole.

[0009] Preferably, one end of the rotating rod penetrates through the shaft body and extends to the outside of the shaft body, the second helical gear is provided with a plurality of second helical gears, and one end of the lead screw is rotatably connected with the inside of the shaft body.

[0010] Preferably, one end of the adjusting block is provided with a limiting column, and one end of the limiting column is fixedly connected with the inner side of the shaft body.

[0011] Preferably, the supporting mechanism comprises a supporting column, one end of the supporting column is fixedly connected with a supporting disc, and one end of the supporting disc is fixedly connected with a supporting seat.

[0012] Preferably, the supporting column is fixedly connected with the inner side of the shaft body, a plurality of supporting discs are arranged, one end of the supporting seat is rotatably connected with one end of the lead screw, and one end of the supporting seat is fixedly connected with one end of the limiting column.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] Firstly, the gear is clamped and fixed between the separation seat and the positioning seat through the steps that the gear is placed on the L-shaped separation seat, the fixed column passes through the perforation outside the gear to position the gear, the connecting hole in the inner side of the gear corresponds to the fixed hole position of the separation seat, then the positioning seat is threadedly connected with one end of the separation seat, one end of the fixed column is clamped with one end of the positioning seat, the gear is clamped and fixed between the separation seat and the positioning seat, the positioning seat and the separation seat are further connected through a screw and the like, the stability and the fastening of the connection are improved, then the rotating rod is rotated to drive the first helical gear to rotate, thereby driving the plurality of second helical gears outside to rotate, and further driving the plurality of lead screws to synchronously rotate, so that the adjusting block outside the lead screw rises, the adjusting block is limited by the limiting column, the adjusting block rises more stably, then the mounting block connected with the adjusting block rises, the fixed hole is clamped into the connecting hole of the gear, the gear is further fixed, and the gear is mounted on the shaft body, the assembly of the gear shaft is completed, when it is needed to disassemble and replace the gear, the fixing of the gear can be released by reversing the above steps, and the gear is disassembled, so that the effect that the gear is conveniently replaced and maintained is achieved.

[0015] Secondly, the separation seat is stably supported by the supporting column, the supporting seat is mounted outside the separation seat, the supporting seat is provided with a plurality of supporting seats corresponding to the number of the lead screws, so that the supporting seat can support the lead screw and the limiting column, and the stability of the rotation of the lead screw is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall perspective view of the utility model;

[0017] Figure 2 It is the perspective view of the separation seat and the positioning seat of the utility model;

[0018] Figure 3 It is the perspective view of the positioning column of the utility model;

[0019] Figure 4 It is the sectional view of the separation mechanism of the utility model.

[0020] 1, shaft body; 2, separation mechanism; 3, supporting mechanism; 11, gear; 21, separation seat; 22, fixed groove; 23, fixed column; 24, rotating rod; 25, first bevel gear; 26, second bevel gear; 27, screw rod; 28, adjusting block; 29, mounting block; 201, positioning column; 202, positioning seat; 31, supporting column; 32, supporting disc; 33, supporting seat. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] The utility model provides the following technical scheme:

[0023] Embodiment one

[0024] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 A gear shaft structure of high torque gear reducer, including shaft body 1 and gear 11, the outside of shaft body 1 is provided with separation mechanism 2, one end of separation mechanism 2 is provided with supporting mechanism 3;

[0025] Separation mechanism 2 includes separation seat 21 and fixed groove 22, the outside of separation seat 21 is fixedly connected with fixed column 23, the outside of separation seat 21 is provided with fixed hole, the inside of fixed groove 22 is rotatably connected with rotating rod 24, the outside of rotating rod 24 is fixedly connected with first bevel gear 25, the outside of first bevel gear 25 is engaged with second bevel gear 26, the middle part of second bevel gear 26 is fixedly connected with screw rod 27, the outside of screw rod 27 is screw-connected with adjusting block 28, the outside of adjusting block 28 is fixedly connected with mounting block 29, one end of mounting block 29 is fixedly connected with positioning column 201, one end of separation seat 21 is screw-connected with positioning seat 202.

[0026] Separation seat 21 is fixedly connected to the outside of shaft body 1, and fixed groove 22 is formed in the inside of shaft body 1.

[0027] A plurality of fixed columns 23 and fixed holes are formed, the plurality of fixed columns 23 and fixed holes are matched in position, and a connecting hole is formed in the inside of gear 11.

[0028] One end of the rotating rod 24 penetrates the shaft body 1 and extends to the outside of the shaft body 1, and a plurality of second bevel gears 26 are arranged, and one end of the screw rod 27 is rotatably connected to the inner side of the shaft body 1.

[0029] One end of the adjusting block 28 is provided with a limiting column, and one end of the limiting column is fixedly connected to the inner side of the shaft body 1.

[0030] Through the above technical scheme, the gear 11 is positioned by being placed on the L-shaped separation seat 21 and the fixed column 23 penetrating the perforation outside the gear 11, the connecting hole on the inner side of the gear 11 corresponds to the fixed hole position of the separation seat 21, then the fixed column 23 is clamped with one end of the positioning seat 202 through the threaded connection of one end of the positioning seat 202 with one end of the separation seat 21, so as to clamp and fix the gear 11 between the separation seat 21 and the positioning seat 202, and further connect the positioning seat 202 with the separation seat 21 through a screw or the like to improve the stability and tightness of the connection, then rotate the rotating rod 24 to drive the first bevel gear 25 to rotate, thereby driving the plurality of second bevel gears 26 outside to rotate, and further driving the plurality of screw rods 27 to rotate synchronously, so as to make the adjusting block 28 outside the screw rod 27 rise, and the limiting column limits the adjusting block 28 to make the adjusting block 28 rise more stably, then drive the mounting block 29 connected with the adjusting block 28 to rise, so that the positioning column 201 penetrates the fixed hole and is clamped into the connecting hole of the gear 11, and the gear 11 is further fixed, thereby installing the gear 11 on the shaft body 1, completing the assembly of the gear shaft, when it is necessary to disassemble and replace the gear 11, the above steps are repeated in reverse to release the fixation of the gear 11, and the gear 11 is disassembled, thereby achieving the effect of convenient replacement and maintenance of the gear 11.

[0031] Embodiment two

[0032] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , and on the basis of embodiment one, it is further obtained that the supporting mechanism 3 comprises a supporting column 31, one end of the supporting column 31 is fixedly connected with a supporting disc 32, and one end of the supporting disc 32 is fixedly connected with a supporting seat 33.

[0033] The supporting column 31 is fixedly connected to the inner side of the shaft body 1, the supporting disc 32 is provided with a plurality of, one end of the supporting seat 33 is rotatably connected with one end of the screw rod 27, and one end of the supporting seat 33 is fixedly connected with one end of the limiting column.

[0034] Through the above technical scheme, the supporting disc 32 is stably supported by the supporting column 31, and the supporting seat 33 is installed outside the supporting disc 32, and the supporting seat 33 is provided with a plurality of corresponding to the number of the screw rod 27, so that the supporting seat 33 can support the screw rod 27 and the limiting column, thereby improving the stability of the screw rod 27 when rotating.

[0035] While the embodiments of the present application have been shown and described, it is to be understood that the embodiments can be varied, modified, substituted and changed in many ways by those skilled in the art without departing from the spirit and scope of the present application, which are defined by the appended claims and their equivalents.

Claims

1. A gear shaft structure of a high-torque gear reducer, comprising a shaft body (1) and a gear (11), characterized in that: The outer part of the shaft body (1) is provided with a separation mechanism (2), one end of the separation mechanism (2) is provided with a supporting mechanism (3); The separation mechanism (2) comprises a separation seat (21) and a fixed groove (22), the outer part of the separation seat (21) is fixedly connected with a fixed column (23), a fixed hole is formed in the outer part of the separation seat (21), the inner part of the fixed groove (22) is rotatably connected with a rotating rod (24), the outer part of the rotating rod (24) is fixedly connected with a first bevel gear (25), the outer part of the first bevel gear (25) is engaged with a second bevel gear (26), the middle part of the second bevel gear (26) is fixedly connected with a lead screw (27), the outer part of the lead screw (27) is threadedly connected with an adjusting block (28), the outer part of the adjusting block (28) is fixedly connected with a mounting block (29), one end of the mounting block (29) is fixedly connected with a positioning column (201), one end of the separation seat (21) is threadedly connected with a positioning seat (202).

2. A gear shaft structure of a high torque gear reducer according to claim 1, characterized in that: The separation seat (21) is fixedly connected to the outer part of the shaft body (1), and the fixed groove (22) is formed in the inner side of the shaft body (1).

3. The gear shaft structure of a high torque gear reducer according to claim 1, wherein: The fixed column (23) and the fixed hole are provided in plurality, the plurality of fixed columns (23) and fixed holes are matched in position, and the inner side of the gear (11) is provided with a connecting hole.

4. The gear shaft structure of a high torque gear reducer according to claim 1, wherein: One end of the rotating rod (24) penetrates through the shaft body (1) and extends to the outer part of the shaft body (1), the second bevel gear (26) is provided in plurality, and one end of the lead screw (27) is rotatably connected with the inner side of the shaft body (1).

5. The gear shaft structure of a high torque gear reducer according to claim 1, wherein: One end of the adjusting block (28) is provided with a limiting column, and one end of the limiting column is fixedly connected with the inner side of the shaft body (1).

6. The gear shaft structure of a high torque gear reducer according to claim 1, wherein: The supporting mechanism (3) comprises a supporting column (31), one end of the supporting column (31) is fixedly connected with a supporting disc (32), and one end of the supporting disc (32) is fixedly connected with a supporting seat (33).

7. The gear shaft structure of a high torque gear reducer according to claim 6, wherein: The supporting column (31) is fixedly connected to the inner side of the shaft body (1), the supporting disc (32) is provided in plurality, one end of the supporting seat (33) is rotatably connected with one end of the lead screw (27), and one end of the supporting seat (33) is fixedly connected with one end of the limiting column.