CN216555266U

CN216555266U - Protection device with noise reduction and shock absorption structure for reduction gearbox

Info

Publication number: CN216555266U
Application number: CN202123292059.7U
Authority: CN
Inventors: 赖宝康
Original assignee: Shenzhen Ruihualian Motor Co ltd
Current assignee: Shenzhen Ruihualian Motor Co ltd
Priority date: 2021-12-25
Filing date: 2021-12-25
Publication date: 2022-05-17
Anticipated expiration: 2031-12-25

Abstract

The utility model discloses a protection device with a noise reduction and shock absorption structure for a reduction gearbox, which relates to the field of reduction gearbox protection devices and comprises a shell, wherein sound insulation cotton is arranged on the inner surface of the shell, a plurality of groups of uniformly distributed shock absorption mechanisms are arranged in the shell, each group of shock absorption mechanisms comprises a first pressing plate and a shock absorption assembly, the first pressing plate is used for abutting against the peripheral surface of the outer shell of the reduction gearbox, the shock absorption assembly is fixed on the inner wall of the shell and used for buffering the first pressing plate, and a cooling liquid flowing cavity is arranged in the first pressing plate of two shock absorption mechanisms which are symmetrically arranged at the bottom in the shell. When using this device, put into the speed reducer, the speed reducer begins work afterwards, produces vibrations, and vibrations spread into damper, through damper's effect, make vibrations weaken, and simultaneously, the speed reducer produces the noise, and through soundproof cotton's effect, the noise obtains weakening.

Description

Protection device with noise reduction and shock absorption structure for reduction gearbox

Technical Field

The utility model relates to the field of reduction gearbox protection devices, in particular to a protection device with a noise-reducing and shock-absorbing structure for a reduction gearbox.

Background

The speed reducer plays a role in matching rotating speed and transmitting torque between a prime motor and a working machine or an actuating mechanism, is widely applied to modern machinery, can be divided into a general speed reducer and a special speed reducer according to purposes, and has different design, manufacturing and use characteristics.

The existing reduction gearbox generates great noise during working, which causes great influence on users and people around the users, and the vibration of the reduction gearbox causes great trouble to the users when the reduction gearbox works for a long time.

Current speed reducer protective housing, the majority only possesses the protection speed reducer body effect, and functional singleness, the radiating effect is poor, long-term the use can make speed reducer body high temperature, and influences the life of speed reducer body, and the effect that gives sound insulation is not good, and speed reducer body noise at work is big, brings noise pollution for the surrounding environment, so to above-mentioned problem, provide a be convenient for the heat dissipation, inhale the sound and have shock-absorbing function's speed reducer protection device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a protection device with a noise-reducing and shock-absorbing structure for a reduction gearbox, wherein soundproof cotton is arranged on the inner surface of a shell, a plurality of groups of uniformly distributed shock-absorbing mechanisms are arranged in the shell, each group of shock-absorbing mechanisms comprises a first pressure plate for abutting against the peripheral surface of the outer shell of the reduction gearbox and a shock-absorbing assembly which is fixed on the inner wall of the shell and used for buffering the first pressure plate, and a cooling liquid flowing cavity is arranged in the first pressure plate of the two shock-absorbing mechanisms which are symmetrical at the bottom in the shell. When using this device, put into the speed reducer, the speed reducer begins work afterwards, produces vibrations, and vibrations spread into damper, through damper's effect, make vibrations weaken, and simultaneously, the speed reducer produces the noise, and through soundproof cotton's effect, the noise obtains weakening to solve the problem among the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a reducing gear box is with protection device that has shock-absorbing structure of making an uproar that falls, includes the shell, the shell internal surface is equipped with soundproof cotton, be equipped with the damper of multiunit equipartition in the shell, every group damper includes a first clamp plate that is used for contradicting the speed reducer shell body global, fixes on the shell inner wall and carries out the damper who cushions first clamp plate, is equipped with the coolant liquid in the first clamp plate of two damper of bottom symmetry in the shell and flows the chamber.

Further, among the damper housing internal surface and first connecting rod upper end fixed connection, the spring groove is installed to first connecting rod lower extreme, the inside fixed surface of spring groove installs the spring, spring upper end and spring groove fixed connection, spring groove lower extreme fixed mounting has the limiting plate, the surface of limiting plate slides at the inner wall in spring groove, limiting plate lower extreme fixed mounting has the second connecting rod, second connecting rod lower extreme fixed mounting has first clamp plate.

Furthermore, the surface of the inner part of the spring groove is provided with a first limiting block, and the upper surface of the limiting plate is provided with a second limiting block.

Furthermore, the upper part of the shell is of an opening structure, one side of the opening structure is hinged with one side of the flip door through a rotating shaft, and the other side of the flip door is overlapped in a groove formed in the corresponding position of the shell.

Further, the inside bottom fixed mounting of shell has the coolant liquid to store the storehouse, the coolant liquid is stored storehouse outside top fixed mounting and is had the coolant liquid pump, coolant liquid pump outside top fixed mounting has the sensor storehouse, pressure sensor is installed at sensor storehouse top center.

Furthermore, the liquid outlet of the cooling liquid pump is communicated with the cooling liquid flowing cavity through an output pipe, and the liquid inlet of the cooling liquid pump is communicated with a backflow hole formed in the bottom of the cooling liquid flowing cavity through a backflow pipe.

Further, the sensor bin is horizontally positioned below the first pressing plate.

Compared with the prior art, the utility model has the following beneficial effects:

when using this device, put into the speed reducer, the speed reducer begins work afterwards, produces vibrations, and vibrations spread into damper, through damper's effect, make vibrations weaken, and simultaneously, the speed reducer produces the noise, and through soundproof cotton's effect, the noise obtains weakening.

Drawings

FIG. 1 is a schematic cross-sectional view of a protective device with a noise-reducing and shock-absorbing structure for a reduction gearbox according to the present invention;

FIG. 2 is a schematic view of a reduction gearbox of the present invention at the position A with a protection device having a noise reduction and shock absorption structure;

FIG. 3 is a schematic view of a part of the structure of a protection device with a noise-reducing and shock-absorbing structure for a reduction gearbox of the present invention;

FIG. 4 is a schematic view of a heat dissipation part of a protective device with a noise-reducing and shock-absorbing structure for a reduction gearbox of the present invention;

FIG. 5 is a schematic top side view of a protective device for a reduction gearbox having a noise-reducing and shock-absorbing structure according to the present invention;

in the figure: 1. a housing; 2. sound insulation cotton; 3. a rotating shaft; 4. a groove; 5. a first link; 6. a spring slot; 7. a limiting plate; 8. a second link; 9. a first platen; 10. an output pipe; 11. a sensor bin; 12. a coolant pump; 13. a coolant storage bin; 14. a pressure sensor; 15. a speed reducer; 601. a first stopper; 602. a spring; 603. a second limiting block; 901. a coolant flow chamber; 902. an output aperture; 903. a return orifice; 101. a return pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a protection device with a noise reduction and shock absorption structure for a reduction gearbox comprises a shell 1, soundproof cotton 2 is arranged on the inner surface of the shell 1, a plurality of groups of uniformly distributed shock absorption mechanisms are arranged in the shell 1, each group of shock absorption mechanisms comprises a first pressing plate 9 for abutting against the circumferential surface of the outer shell of a speed reducer 15 and a shock absorption assembly which is fixed on the inner wall of the shell 1 and used for buffering the first pressing plate 9, and a cooling liquid flowing cavity 901 is arranged in the first pressing plate 9 of the two shock absorption mechanisms which are symmetrical at the bottom in the shell 1. When using this device, put into speed reducer 15, speed reducer 15 begins work afterwards, produces vibrations, and vibrations spread into damper, through damper's effect, make vibrations weaken, and simultaneously, speed reducer 15 produces the noise, and through soundproof cotton 2's effect, the noise is weakened.

1 internal surface of shell and the upper end fixed connection of first connecting rod 5 among the damper, spring groove 6 is installed to 5 lower extremes of first connecting rod, and the inside fixed surface of spring groove 6 installs spring 602, and spring 602 upper end and spring groove 6 fixed connection, 6 lower extremes of spring groove fixed mounting have limiting plate 7, and the surface of limiting plate 7 slides at the inner wall of

spring groove

6, and 7 lower extremes of limiting plate fixed mounting have second connecting

rod

8, and 8 lower extremes of second connecting rod fixed mounting have first clamp plate 9. When the speed reducer 15 works, the first pressing plate 9 fixes the speed reducer 15, and the noise is weakened through the action of the damping device.

The inner surface of the spring groove 6 is provided with a first limiting block 601, and the upper surface of the limiting plate 7 is provided with a second limiting block 603. The first limiting block 601 is contacted with the second limiting block 603 through the spring 602, and in each damping action, the first limiting block 601 is contacted with the second limiting block 603 to weaken long-time movement and damage to the spring 602, so that the service life of the damping structure is prolonged.

The upper portion of shell 1 is open structure, and one side of open structure hinges one side of flip door through pivot 3, and the other side overlap joint of flip door is in the recess 4 that the shell 1 corresponding position was seted up. The pivot 3 can make the shell 1 top part realize rotating through pivot 3, reaches the effect of opening and shutting protection device, and recess 4 provides the impetus for the shell 1 top part, is convenient for open protection device.

Storehouse 13 is stored to the inside bottom fixed mounting of shell 1 coolant liquid, and 13 outside top fixed mounting of storehouse are stored to the coolant liquid have

coolant pump

12, and 12 outside top fixed mounting of coolant pump have sensor storehouse 11, and pressure sensor 14 is installed at 11 top centers in sensor storehouse. When the speed reducer 15 is put into the protection device and is acted by gravity, the speed reducer moves downwards, when the speed reducer contacts the pressure sensor 14 at the top end of the sensor cabin 11, the pressure sensor 14 sends out a signal, and the cooling liquid pump 12 pumps the cooling liquid in the cooling liquid storage cabin 13 into the output pipe 10.

A liquid outlet of the cooling liquid pump 12 is communicated with an output hole 902 formed in the bottom of the cooling liquid flowing cavity 901 through an output pipe 10, and a liquid inlet of the cooling liquid pump 12 is communicated with a return hole 903 formed in the bottom of the cooling liquid flowing cavity 901 through a return pipe 101. When the coolant pump 12 inputs the coolant into the coolant flowing cavity 901 through the output hole 902, the coolant flows into the return hole 903 in the coolant flowing cavity 901 and finally flows back into the coolant storage bin 13, so that the effect of cooling the speed reducer 15 is achieved.

The sensor chamber 11 is located horizontally below the first presser plate 9. When the speed reducer 15 is under the action of gravity, the sensor chamber 11 is contacted, so that the coolant pump 12 operates, and when the speed reducer 15 is not placed, the coolant remaining in the coolant flowing chamber 901 flows back to the coolant storage chamber 13 from the return hole 903 under the action of gravity.

In summary, when the device is used, the speed reducer 15 is put in, and then the speed reducer 15 starts to work, and moves downward under the action of gravity, and when the pressure sensor 14 at the top end of the sensor chamber 11 is contacted, the pressure sensor 14 sends a signal, and the coolant pump 12 pumps the coolant in the coolant storage chamber 13 to the output pipe 10. Vibration is generated and transmitted into the damping mechanism, the vibration is weakened through the effect of the damping mechanism, meanwhile, the speed reducer 15 generates noise, and the noise is weakened through the effect of the soundproof cotton 2.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a reducing gear box is with protection device that has shock-absorbing structure of making an uproar that falls, includes shell (1), its characterized in that: the inner surface of the shell (1) is provided with soundproof cotton (2), the shell (1) is internally provided with a plurality of groups of uniformly distributed damping mechanisms, each group of damping mechanisms comprises a first pressing plate (9) used for abutting against the circumferential surface of the shell body of the speed reducer (15), a damping assembly fixed on the inner wall of the shell (1) and used for buffering the first pressing plate (9), and a cooling liquid flowing cavity (901) is arranged in the first pressing plate (9) of the two damping mechanisms with symmetrical bottom in the shell (1).

2. The protection device with the noise-reducing and shock-absorbing structure for the reduction gearbox according to claim 1, wherein: shell (1) internal surface and first connecting rod (5) upper end fixed connection among the damper, spring groove (6) are installed to first connecting rod (5) lower extreme, spring groove (6) inside fixed surface installs spring (602), spring (602) upper end and spring groove (6) fixed connection, spring groove (6) lower extreme fixed mounting has limiting plate (7), the surface of limiting plate (7) slides at the inner wall in spring groove (6), limiting plate (7) lower extreme fixed mounting has second connecting rod (8), second connecting rod (8) lower extreme fixed mounting has first clamp plate (9).

3. The protection device with the noise-reducing and shock-absorbing structure for the reduction gearbox according to claim 2, wherein: the spring groove (6) is provided with a first limiting block (601) on the inner surface, and a second limiting block (603) is arranged on the upper surface of the limiting plate (7).

4. The protection device with the noise-reducing and shock-absorbing structure for the reduction gearbox according to claim 1, wherein: the upper portion of shell (1) is open structure, and one side of open structure hinges one side of flip door through pivot (3), the other side overlap joint of flip door is in recess (4) that shell (1) corresponding position was seted up.

5. The protection device with the noise-reducing and shock-absorbing structure for the reduction gearbox according to claim 1, wherein: the inside bottom fixed mounting of shell (1) has the coolant liquid to store storehouse (13), fixed surface installs coolant pump (12) on the coolant liquid stores storehouse (13), coolant pump (12) outside top fixed mounting has sensor storehouse (11), pressure sensor (14) are installed at sensor storehouse (11) top center.

6. The protection device with the noise-reducing and shock-absorbing structure for the reduction gearbox according to claim 5, wherein: the liquid outlet of the cooling liquid pump (12) is communicated with an output hole (902) formed in the bottom of the cooling liquid flowing cavity (901) through an output pipe (10), and the liquid inlet of the cooling liquid pump (12) is communicated with a return hole (903) formed in the bottom of the cooling liquid flowing cavity (901) through a return pipe (101).

7. The protection device with the noise-reducing and shock-absorbing structure for the reduction gearbox according to claim 5, wherein: the horizontal plane where the sensor bin (11) is located below any one first pressing plate (9).