CN218267152U

CN218267152U - Damping device of gear reducer

Info

Publication number: CN218267152U
Application number: CN202222252758.7U
Authority: CN
Inventors: 徐国宝
Original assignee: Quality Rotating Machinery Technology Shanghai Co Ltd
Current assignee: Quality Rotating Machinery Technology Shanghai Co Ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2023-01-10
Anticipated expiration: 2032-08-24

Abstract

The utility model discloses a belong to gear reducer technical field, specifically be a gear reducer's damping device, including mounting panel and its top respectively fixed mounting have gear reducer and motor's backup pad, and the output shaft of motor and gear reducer's input shaft fixed connection still include: be used for to gear reducer absorbing damper, and damper installs between mounting panel and backup pad for make the spring among the damper be in the adjusting part of the state of tightening, and adjusting part installs between mounting panel and backup pad, the utility model discloses a set up adjusting part and have the effect that makes the spring be in the state of tightening, through making the spring be in the state of tightening, have and solve present damping device after long-time work, spring deformation ability wherein then can deteriorate, thereby can influence the problem of shock attenuation effect, meanwhile, still can avoid changing the spring after lax, the input of cost is reduced.

Description

Damping device of gear reducer

Technical Field

The utility model relates to a gear reducer technical field specifically is a gear reducer's damping device.

Background

The gear reducer is an external-meshing involute helical gear cylindrical gear reducer produced according to national professional standard ZBJ19004, is a slewing mechanism widely applied to east China for tower-lead-in crane machinery, and is widely applied to the fields of metallurgy, mines, hoisting, transportation, cement, construction, chemical engineering, textile, printing and dyeing, pharmacy and the like.

The prior Chinese patent CN110715039A discloses a damping device of a planetary gear reducer, which has the technical problems that: in the prior art, a primary gear and a motor shaft are integrated in a planetary gear reducer, the noise of the planetary gear reducer is mainly caused by the vibration of the motor and the primary gear, and the replacement of the primary gear is troublesome after the primary gear is damaged.

The current chinese patent CN215673507U discloses a damping device of a helical gear speed reducer motor, which has the technical problems that: at present, a helical gear speed reducer is mostly driven by a motor during working, the motor generates some vibration during operation, and after the helical gear speed reducer is used for a long time, the vibration can influence the service life of a rotating shaft in the speed reducer.

The existing chinese patent CN214092961U discloses a damping device of a gear reducer, and the technical problem is: the main source of noise of the gear reducer is vibration of the motor and the first-stage gear, and the replacement of the first-stage gear is troublesome after the first-stage gear is damaged.

According to the technical problems of the Chinese patent CN110715039A, the Chinese patent CN215673507U and the Chinese patent CN214092961U, the noise of the existing gear reducer mainly comes from the vibration of the motor and the primary gear.

In chinese patent CN110715039A, chinese patent CN215673507U and chinese patent CN214092961U, the damping is performed by springs to solve the technical problems. However, after the existing damping device works for a long time, the deformation capacity of the spring in the damping device is poor, so that the damping effect is influenced, and the main reason is that the spring is easy to be in a loose state and is not tightened any more in the process of long-time back-and-forth deformation.

SUMMERY OF THE UTILITY MODEL

The present invention has been made in view of the above and/or other problems occurring in the conventional shock absorbing device for a gear reducer.

Therefore, the utility model aims at providing a damping device of gear reducer can solve the above-mentioned current problem of proposing.

For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:

the utility model provides a damping device of gear reducer, its includes that mounting panel and its top respectively fixed mounting have the backup pad of gear reducer and motor, and the output shaft of motor and gear reducer's input shaft fixed connection still includes:

the damping component is used for damping the gear reducer and is arranged between the mounting plate and the support plate;

and the adjusting component is used for enabling the spring in the shock absorption component to be in a tight state, and is installed between the mounting plate and the supporting plate.

As a gear reducer's damping device's an optimal selection scheme, wherein: the shock-absorbing assembly includes:

two groups of supporting blocks are fixedly arranged at the top of the mounting plate and the two ends of the bottom of the supporting plate;

the cross section of the connecting rod is square, and the connecting rod is fixedly arranged between the two groups of supporting blocks;

the connecting rod is connected with the sliding block in a sliding manner;

and four tail ends of the cross rod are respectively and rotatably connected to the four groups of sliding blocks.

As a gear reducer's damping device's an preferred scheme, wherein: the shock-absorbing assembly further comprises:

and the spring is sleeved on the connecting rod, and two ends of the spring are fixedly connected with the sliding block and the group of supporting blocks respectively.

As a gear reducer's damping device's an optimal selection scheme, wherein: the cross rods are arranged in an X shape by two groups of movable rods, and the joints of the two groups of movable rods are rotationally connected through pins.

As a gear reducer's damping device's an preferred scheme, wherein: the adjustment assembly includes:

a damper;

the telescopic assemblies are used for adjusting the distance between the damper and the mounting plate and the supporting plate, the telescopic assemblies are symmetrically mounted on two sides of the opposite ends of the mounting plate and the supporting plate, and the damper is mounted and adjusted between the two opposite telescopic assemblies.

As a gear reducer's damping device's an preferred scheme, wherein: the telescoping assembly comprises:

the two sides of the opposite ends of the mounting plate and the supporting plate are symmetrically and fixedly provided with hollow pipes;

the solid rod is connected in the inner cavity of the hollow tube in a sliding manner;

the connecting plates are fixedly arranged at one end of the solid rod, and a damper is fixedly arranged between the two opposite groups of connecting plates;

and the screw is in threaded connection with the side wall of the hollow pipe, and one end of the screw is in contact with the outer surface of the solid rod.

Compared with the prior art:

1. the vibration reduction assembly is arranged to reduce the vibration of the speed reducer, so that the noise generated when the gear speed reducer works can be reduced, and the noise pollution can be reduced by reducing the noise generated when the gear speed reducer works;

2. have the effect that makes the spring be in the state of straining through setting up adjusting part, through making the spring be in the state of straining, have and solve present damping device after long-time work, spring deformability wherein then can worsen to can influence the problem of shock attenuation effect, meanwhile, still can avoid changing the spring after lax, the input of cost is reduced.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a front view of the retractable assembly of the present invention;

fig. 4 is a schematic bottom view of the telescopic assembly of the present invention.

In the figure: the device comprises a mounting plate 10, a support plate 20, a gear reducer 21, a motor 22, a shock absorption assembly 30, a support block 31, a connecting rod 32, a spring 33, a sliding block 34, a cross rod 35, a movable rod 351, an adjusting assembly 40, a damper 41, a telescopic assembly 42, a hollow tube 421, a solid rod 422, a connecting plate 423 and a screw 424.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Example 1:

the utility model provides a damping device of a gear reducer, please refer to fig. 1-4, comprising a mounting plate 10 and a supporting plate 20, the top of which is fixedly provided with a gear reducer 21 and a motor 22 respectively, and the output shaft of the motor 22 is fixedly connected with the input shaft of the gear reducer 21;

further comprising: a damper assembly 30 for damping the gear reducer 21, and the damper assembly 30 is installed between the mounting plate 10 and the support plate 20;

the shock absorbing assembly 30 includes: a supporting block 31, a connecting rod 32 with a square cross section, a sliding block 34, a cross rod 35 and a spring 33;

the top of mounting panel 10 and the bottom both ends of backup pad 20 are two sets of supporting shoe 31 of equal fixed mounting, connecting rod 32 fixed mounting is between two sets of supporting shoe 31, sliding connection slider 34 on connecting rod 32, four ends of crossbar 35 rotate respectively and connect on four sets of sliders 34, spring 33 cover is on connecting rod 32, and the both ends of spring 33 respectively with slider 34 and a set of supporting shoe 31 fixed connection, crossbar 35 is the X-shaped range by two sets of movable rods 351, and the junction of two sets of movable rods 351 passes through the pin and rotates the connection.

The working principle is as follows: when the gear reducer 21 works, the support plate 20 vibrates, when the support plate 20 vibrates, the sliding block 34 slides on the connecting rod 32, when the sliding block 34 slides, the spring 33 deforms to realize damping of the gear reducer 21, wherein when the spring 33 deforms, the phenomenon that the support plate 20 shakes is avoided through the damper 41.

Example 2:

on the basis of embodiment 1, in order to avoid the deterioration of the damping effect of the damping component 30 in the later period, an adjusting component 40 for keeping the spring 33 in the damping component 30 in a tight state is provided, and the adjusting component 40 is installed between the mounting plate 10 and the support plate 20;

the adjustment assembly 40 includes: a damper 41, a telescopic assembly 42 for adjusting a distance between the damper 41 and the mounting plate 10 and the support plate 20;

telescopic components 42 are symmetrically arranged on two sides of the opposite ends of the mounting plate 10 and the support plate 20, and an adjusting damper 41 is arranged between the two opposite groups of telescopic components 42;

the retraction assembly 42 includes: a hollow tube 421, a solid rod 422, a connecting plate 423 and a screw 424;

the opposite ends of the mounting plate 10 and the support plate 20 are symmetrically and fixedly mounted with a hollow tube 421, a solid rod 422 is slidably connected in the inner cavity of the hollow tube 421, a connecting plate 423 is fixedly mounted on one end of the solid rod 422, a damper 41 is fixedly mounted between two opposite sets of connecting plates 423, a screw 424 is screwed on the side wall of the hollow tube 421, and one end of the screw 424 is in contact with the outer surface of the solid rod 422.

The working principle is as follows: when the spring 33 is in a loose state after working for a long time, the screw 424 is taken out of the hollow tube 421, after the screw is taken out, the solid rod 422 moves into the hollow tube 421 to shorten the distance between the mounting plate 10 and the support plate 20, when the distance between the mounting plate 10 and the support plate 20 is shortened, the slide block 34 extrudes the spring 33 to make the spring 33 in a tight state, when the spring 33 is in a tight state, the screw 424 is screwed on the side wall of the hollow tube 421, and one end of the screw 424 is in contact with the outer surface of the solid rod 422, so that the adjustment work is completed.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a damping device of gear reducer, includes mounting panel (10) and its top backup pad (20) of fixed mounting gear reducer (21) and motor (22) respectively, and the output shaft of motor (22) and the input shaft fixed connection of gear reducer (21), its characterized in that still includes:

a damping component (30) for damping the gear reducer (21), and the damping component (30) is installed between the mounting plate (10) and the support plate (20);

an adjustment assembly (40) for placing the spring (33) in the dampening assembly (30) in tension, and the adjustment assembly (40) is mounted between the mounting plate (10) and the support plate (20).

2. A device for damping vibrations in a gear reducer according to claim 1, characterised in that said damping assembly (30) comprises:

two groups of supporting blocks (31) are fixedly arranged at the top of the mounting plate (10) and the two ends of the bottom of the supporting plate (20);

the cross section of the connecting rod (32) is square, and the connecting rod (32) is fixedly arranged between the two groups of supporting blocks (31);

the connecting rod (32) is connected with the sliding block (34) in a sliding way;

four tail ends of the cross rod (35) are respectively and rotatably connected to the four groups of sliding blocks (34).

3. A damping device for a gear reducer according to claim 2, wherein the damping assembly (30) further comprises:

the spring (33) is sleeved on the connecting rod (32), and two ends of the spring (33) are fixedly connected with the sliding block (34) and the group of supporting blocks (31) respectively.

4. The damping device of a gear reducer according to claim 2, wherein the cross bar (35) is formed by two sets of movable bars (351) arranged in an X-shape, and the joints of the two sets of movable bars (351) are rotatably connected by a pin.

5. A damping device for a gear reducer according to claim 1, characterised in that said adjustment assembly (40) comprises:

a damper (41);

the telescopic assemblies (42) are used for adjusting the distance between the damper (41) and the mounting plate (10) and the support plate (20), the telescopic assemblies (42) are symmetrically mounted on two sides of the opposite ends of the mounting plate (10) and the support plate (20), and the damper (41) is arranged between the two opposite groups of the telescopic assemblies (42).

6. A shock-absorbing device for a gear reducer according to claim 5, wherein said telescopic assembly (42) comprises:

the two sides of the opposite ends of the mounting plate (10) and the support plate (20) are symmetrically and fixedly provided with the hollow tube (421);

the solid rod (422), the solid rod (422) is connected in the inner cavity of the hollow tube (421) in a sliding way;

the connecting plates (423) are fixedly arranged at one end of the solid rod (422), and a damper (41) is fixedly arranged between two opposite groups of the connecting plates (423);

and the screw (424), the screw (424) is connected on the side wall of the hollow pipe (421) in a threaded manner, and one end of the screw (424) is in contact with the outer surface of the solid rod (422).