CN215110423U

CN215110423U - Built-in buffer mechanism for speed reducer

Info

Publication number: CN215110423U
Application number: CN202023045367.5U
Authority: CN
Inventors: 李波; 李国平; 姚刚
Original assignee: Jiangsu Haoyuan Reducer Manufacturing Co ltd
Current assignee: Jiangsu Haoyuan Reducer Manufacturing Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-12-10
Anticipated expiration: 2030-12-17

Abstract

The utility model relates to a speed reducer technical field specifically is a built-in buffer gear for speed reducer, including the spliced pole, the cavity is seted up to the spliced pole inside, be provided with buffer gear in the cavity, buffer gear includes first buffering subassembly and second buffering subassembly, first buffering subassembly includes the double bevel piece, short oblique pole and long oblique pole, double bevel piece slidable mounting is on the diapire of cavity, the both sides at the double bevel piece are contradicted in proper order to the bevel end of short oblique pole and long oblique pole, second buffering subassembly includes the balance plate, the stand, spacing post, the backup pad, a spring, carousel and outer edge, balance plate one end fixed connection stand, the balance plate other end is contradicted at the top of long oblique pole. Through setting up first buffering subassembly and second buffering subassembly combined action, can play the dynamics of dual buffering, the damping effect is showing more.

Description

Built-in buffer mechanism for speed reducer

Technical Field

The utility model relates to a speed reducer technical field specifically is a built-in buffer gear for speed reducer.

Background

The reducer is an independent part consisting of gear transmission, worm transmission and gear-worm transmission enclosed in a rigid shell, and is commonly used as a speed reduction transmission device between a prime mover and a working machine.

The speed reducer comprises an end cover, wherein one end of the end cover is connected with a worm box, one side of the worm box is connected with a gear box, the worm box and the gear box are integrated, one side of the gear box is connected with a connecting column, the other side of the gear box is provided with a clutch box, a buffer groove is formed in the connecting column, a connecting screw groove is formed in the buffer groove, buffer blocks are arranged at two ends of the connecting screw groove, a buffer spring is welded on the inner wall of the buffer groove, and one end of the buffer spring is welded with the buffer blocks; the utility model discloses a buffering through buffer spring's elasticity, the vibration that the reduction gear received is reduced.

But has the problems that: the buffering effect is poor, the vibration reduction effect is not obvious, and the stable effect is difficult to achieve quickly.

In view of this, we propose a built-in damper mechanism for a speed reducer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a built-in buffer gear for speed reducer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a built-in buffer mechanism for a speed reducer comprises a connecting column, wherein a cavity is formed in the connecting column, a buffer mechanism is arranged in the cavity, the buffer mechanism comprises a first buffer component and a second buffer component, a transverse plate is arranged between the first buffer component and the second buffer component, the transverse plate is fixedly arranged on the side wall of the cavity, the first buffer component comprises a double-bevel block, a short beveled cutting rod and a long beveled cutting rod, the double-bevel block is arranged on the bottom wall of the cavity in a sliding way, the short bevel cutting rod and the long bevel cutting rod penetrate through the transverse plate and are in sliding fit with the transverse plate, the inclined plane ends of the short inclined cutting rod and the long inclined cutting rod are sequentially abutted against the two sides of the double-inclined plane block, the second buffer component comprises a balance plate, a stand column, a limiting column, a supporting plate, a spring, a turntable and an outer edge, one end of the balance plate is fixedly connected with the upright post, and the other end of the balance plate is abutted against the top of the long inclined cutting rod.

Preferably, the limiting column is fixedly arranged on the side wall of the cavity, the middle part of the upright column is provided with an elongated slot in sliding fit with the limiting column, two sides of the upright column are fixedly connected with a group of outer edges, and the outer edges are rotatably provided with the turnplate through a central shaft.

Preferably, the supporting plates are provided with two groups and are respectively fixedly arranged at two sides of the cavity, one end of the spring is fixedly connected with the supporting plates, and the other end of the spring is fixedly connected with the turntable.

Preferably, the left lower end of the transverse plate is fixedly provided with a stop block, the bottom of the stop block is fixedly provided with a trapezoidal guide block, and the top of the double-slope block is provided with a first sliding groove in sliding fit with the guide block.

Preferably, the upper right end of the double-bevel block is fixedly provided with a convex block, the left side wall of the convex block is fixedly provided with a first magnet, and the right side wall of the stop block is fixedly provided with a second magnet with the same name as the first magnet.

Preferably, the bottom of two bevel blocks is equipped with the rectangle fluting, and slidable mounting has the block rubber in the rectangle fluting, the bottom of block rubber is fixed and is provided with two sets of universal balls, and the diapire of cavity is seted up with universal ball roll complex second spout.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model has the advantages of, at first, utilize the elasticity of spring self to act on the carousel, can tentatively resist the destruction of vibration impact to connecting piece and speed reducer. Then at the in-process that short beveling pole and long beveling pole reciprocated, can further play the effect of buffering, and produce the damping effect through the free removal of block rubber in the rectangle fluting to further reduce the double bevel piece amplitude of swaying, at last the repulsion effect between the first magnetite of same name and the second magnetite can make the double bevel piece keep in primary position under the condition of not receiving external force, thereby make the balance plate reach steady effect fast.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic perspective view of the double-bevel block of the present invention.

In the figure: the device comprises a connecting column 1, a double-bevel block 2, a rubber block 3, a universal ball 4, a bump 5, a first magnet 6, a second magnet 7, a guide block 8, a short beveled rod 9, a long beveled rod 10, a transverse plate 11, a balance plate 12, an upright column 13, a limiting column 14, a supporting plate 15, a spring 16, a rotary table 17 and an outer edge 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 2, the present invention provides a technical solution: a built-in buffer mechanism for a speed reducer comprises a connecting post 1, a cavity is formed in the connecting post 1, a buffer mechanism is arranged in the cavity and comprises a first buffer component and a second buffer component, a transverse plate 11 is arranged between the first buffer component and the second buffer component, the transverse plate 11 is fixedly arranged on the side wall of the cavity, the first buffer component comprises a double-inclined-surface block 2, a short inclined-cutting rod 9 and a long inclined-cutting rod 10, the double-inclined-surface block 2 is slidably arranged on the bottom wall of the cavity, the short inclined-cutting rod 9 and the long inclined-cutting rod 10 penetrate through the transverse plate 11 and are in sliding fit with the transverse plate 11, and the inclined plane ends of the short inclined cutting rod 9 and the long inclined cutting rod 10 are sequentially abutted against two sides of the double-inclined-plane block 2, the second buffer component comprises a balance plate 12, an upright post 13, a limiting post 14, a supporting plate 15, a spring 16, a rotary table 17 and an outer edge 18, one end of the balance plate 12 is fixedly connected with the upright post 13, and the other end of the balance plate 12 is abutted against the top of the long inclined cutting rod 10. Through setting up first buffering subassembly and second buffering subassembly combined action, can play the dynamics of dual buffering, the damping effect is showing more.

As shown in fig. 1 and 2, the limiting column 14 is fixedly disposed on the sidewall of the cavity, a long groove in sliding fit with the limiting column 14 is formed in the middle of the upright column 13, and the limiting column 14 is in sliding fit with the long groove to guide and limit the upright column 13. Two sides of the upright column 13 are fixedly connected with a group of outer edges 18, and the outer edges 18 are rotatably provided with turntables 17 through central shafts; two groups of supporting plates 15 are arranged and are respectively fixedly arranged at two sides of the cavity, one end of a spring 16 is fixedly connected with the supporting plates 15, and the other end of the spring 16 is fixedly connected with a turntable 17. The self elastic force of the spring 16 acts on the rotary table 17, so that damage to the connecting piece and the speed reducer caused by vibration impact can be resisted primarily.

As shown in fig. 1 and 2, a stop block is fixedly arranged at the left lower end of the transverse plate 11, a trapezoidal guide block 8 is fixedly arranged at the bottom of the stop block, and a first sliding groove in sliding fit with the guide block 8 is formed at the top of the double-inclined-surface block 2; the double-bevel block 2 and the first sliding chute are matched for use, so that the guide and limiting effects on the double-bevel block 2 can be achieved; the upper right end of the double-bevel block 2 is fixedly provided with a bump 5, the left side wall of the bump 5 is fixedly provided with a first magnet 6, and the right side wall of the stop block is fixedly provided with a second magnet 7 with the same name as the first magnet 6. The double-bevel block 2 can be held in the original position without being subjected to an external force by the repulsive force between the first magnet 6 and the second magnet 7 of the same name.

As shown in fig. 2, the bottom of the double-slope block 2 is provided with a rectangular slot, the rectangular slot is internally provided with a rubber block 3 in a sliding manner, the bottom of the rubber block 3 is fixedly provided with two groups of universal balls 4, and the bottom wall of the cavity is provided with a second sliding groove matched with the universal balls 4 in a rolling manner. Through utilizing universal ball 4 as rubber block 3 and cavity diapire contact for rubber block 3 moves more smoothly, and freely moves in the rectangle fluting through rubber block 3 and produces the damping effect, thereby further reduces the amplitude of swaying of double bevel piece 2.

The working principle is as follows: in practical use, when the upright column 13 is subjected to downward acting force, the outer edge 18 on the upright column moves downward and swings left and right at the same time, a part of vibration effect is relieved in the swinging process, and the self elastic force of the spring 16 acts on the rotary table 17, so that the damage of vibration impact to the connecting piece and the speed reducer can be initially resisted; meanwhile, the balance plate 12 moves downwards along with the balance plate and extrudes the long beveled cutting rod 10, the long beveled cutting rod 10 is stressed to move downwards and acts on the double beveled block 2, the double beveled block 2 is stressed to move towards the left side and act on the short beveled cutting rod 9, the short beveled cutting rod 9 is stressed to move upwards and is abutted against the left side of the bottom of the balance plate 12, in the process that the short beveled cutting rod 9 and the long beveled cutting rod 10 move up and down, the buffer effect can be further achieved, the rubber block 3 can move freely in the rectangular groove to generate the damping effect, and the swing amplitude of the double beveled block 2 is further reduced. After the vibration force is weakened continuously, the repulsive force between the first magnet 6 and the second magnet 7 with the same name can keep the double-inclined-surface block 2 at the original position under the condition of no external force, so that the balance plate 12 can achieve the stable effect quickly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a built-in buffer gear for speed reducer, includes spliced pole (1), its characterized in that: the buffer mechanism comprises a first buffer component and a second buffer component, a transverse plate (11) is arranged between the first buffer component and the second buffer component, the transverse plate (11) is fixedly arranged on the side wall of the cavity, the first buffer component comprises a double-bevel block (2), a short beveling rod (9) and a long beveling rod (10), the double-bevel block (2) is slidably arranged on the bottom wall of the cavity, the short beveling rod (9) and the long beveling rod (10) penetrate through the transverse plate (11) and are in sliding fit with the transverse plate, the bevel ends of the short beveling rod (9) and the long beveling rod (10) sequentially abut against the two sides of the double-bevel block (2), and the second buffer component comprises a balance plate (12), a stand column (13), a limiting column (14), a support plate (15), a spring (16), a rotary table (17) and an outer edge (18), one end of the balance plate (12) is fixedly connected with the upright post (13), and the other end of the balance plate (12) is abutted against the top of the long and oblique cutting rod (10).

2. The built-in damper mechanism for a speed reducer according to claim 1, wherein: the limiting column (14) is fixedly arranged on the side wall of the cavity, the middle of the upright column (13) is provided with a long groove in sliding fit with the limiting column (14), two sides of the upright column (13) are fixedly connected with a group of outer edges (18), and the outer edges (18) are rotatably provided with the turnplate (17) through a central shaft.

3. The built-in damping mechanism for a speed reducer of claim 2, wherein: the supporting plate (15) is provided with two groups and is respectively fixedly arranged at two sides of the cavity, one end of the spring (16) is fixedly connected with the supporting plate (15), and the other end of the spring (16) is fixedly connected with the turntable (17).

4. The built-in damper mechanism for a speed reducer according to claim 3, wherein: the left lower end of the transverse plate (11) is fixedly provided with a stop block, the bottom of the stop block is fixedly provided with a trapezoidal guide block (8), and the top of the double-slope block (2) is provided with a first sliding groove in sliding fit with the guide block (8).

5. The built-in damping mechanism for a speed reducer of claim 4, wherein: the double-bevel block is characterized in that a bump (5) is fixedly arranged at the upper right end of the double-bevel block (2), a first magnet (6) is fixedly arranged on the left side wall of the bump (5), and a second magnet (7) which is the same name as the first magnet (6) is fixedly arranged on the right side wall of the stop block.

6. The built-in damping mechanism for a speed reducer of claim 5, wherein: the bottom of two bevel blocks (2) is equipped with the rectangle fluting, and slidable mounting has rubber block (3) in the rectangle fluting, the bottom of rubber block (3) is fixed to be provided with two sets of universal balls (4), and the diapire of cavity is seted up with universal ball (4) roll complex second spout.