CN114811001A

CN114811001A - Structure of making an uproar falls in high efficiency for speed reducer

Info

Publication number: CN114811001A
Application number: CN202210360691.0A
Authority: CN
Inventors: 薛志刚
Original assignee: Yixing Guoan Deceleration Transmission Equipment Co ltd
Current assignee: Yixing Guoan Deceleration Transmission Equipment Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-07-29

Abstract

The invention discloses a high-efficiency noise reduction structure for a speed reducer, and relates to the technical field of noise reduction of speed reducers, in particular to a high-efficiency noise reduction structure for a speed reducer. According to the invention, the arc-shaped fixing frames are sleeved on the outer walls of the power input shaft and the input shaft of the speed reducer, so that the vibration can be effectively reduced, the noise generated by shaking of the speed reducer in the use process can be reduced, and meanwhile, the phenomenon that the noise is diffused to the outside can be effectively reduced by designing the sound absorption pad on the inner wall of the lower sealing cover.

Description

Structure of making an uproar falls in high efficiency for speed reducer

Technical Field

The invention relates to the technical field of speed reducers, in particular to a high-efficiency noise reduction structure for a speed reducer.

Background

In the daily life, in the machine manufacturing and the production of various devices, a speed reducer is required, the speed reducer is an independent component consisting of gear transmission, worm transmission and gear-worm transmission which are enclosed in a rigid shell, is commonly used as a speed reduction transmission device between a prime mover and a working machine, plays a role in matching rotating speed and transmitting torque between the prime mover and the working machine or an actuating mechanism, and is widely applied to modern machines.

Many speed reducers in the prior art generate great noise in the using process, and the noise can cause great harm to operators of equipment and is not beneficial to normal work of workers, which is a great disadvantage of the prior art; in addition, some noise reduction devices in the prior art greatly influence the later-stage overhaul and maintenance operation of the speed reducer after being installed, and are not beneficial to the normal use operation of the speed reducer, which is another disadvantage of the prior art, so that the invention provides an efficient noise reduction structure for the speed reducer to solve the defects based on the use reason.

Disclosure of Invention

The invention aims to provide an efficient noise reduction structure for a speed reducer aiming at the defects in the prior art so as to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a structure of making an uproar falls in high efficiency for speed reducer, includes lower sealing cover and upper sealing cover, lower sealing cover and upper sealing cover both sides outer wall fixed mounting have first connecting plate and second connecting plate, the inside fixed orifices that has all seted up of first connecting plate and second connecting plate, the inside equal fixed mounting of lower sealing cover and upper sealing cover has the arc to put the thing platform, the thing platform surface is put to the arc is provided with speed reducer input shaft and speed reducer output shaft, be provided with the speed reducer body between speed reducer input shaft and the speed reducer output shaft, speed reducer input shaft and speed reducer output shaft outer wall all overlap and are equipped with fixed damping device, the spout has been seted up to lower sealing cover inner wall bottom, the inside setting in hasp structure of spout.

According to the preferable technical scheme, the sealing ring is arranged between the lower sealing cover and the upper sealing cover, the inner diameter of the sealing ring is matched with the outer diameter of the input shaft of the speed reducer and the outer diameter of the output shaft of the speed reducer, the sealing ring and the arc-shaped object placing table are internally provided with parallel fixing holes, the sealing ring is made of an elastic sound-absorbing material, and the lower sealing cover, the upper sealing cover and the sealing ring are matched for use, so that the phenomenon that noise is transmitted to the outside during the operation of the speed reducer can be effectively reduced, and the protection of workers is improved.

According to the preferable technical scheme, the sound absorption pad is fixedly mounted on the side wall of the inner portion of the lower sealing cover, the sound absorption pad is made of foam metal, the surface of the sound absorption pad is wavy, the sound absorption pad can absorb noise generated when the speed reducer works, meanwhile, the wavy appearance can reflect sound waves, and the noise absorption capacity is improved.

According to the preferred technical scheme, the fixed damping device comprises an arc-shaped fixing frame, three groups of threaded rods, a first telescopic rod, a second telescopic rod, a return spring and a first clamping block, the threaded rods are distributed on the surface of the arc-shaped fixing frame in an arc shape, threaded holes matched with the threaded rods are formed in the arc-shaped fixing frame, the threaded rods are fixedly connected with the first telescopic rod, and the threaded rods are used for adjusting the height of the rubber rings up and down, so that the rubber rings are matched with speed reducers of different sizes, and the adaptability of the device is improved.

As a preferred technical scheme of the invention, the second telescopic rod is fixedly connected with the rubber ring, two ends of the return spring are respectively fixedly connected with the first telescopic rod and the second telescopic rod, the first telescopic rod is slidably connected with the second telescopic rod, and the first telescopic rod, the second telescopic rod, the return spring and the rubber ring are used in a matched manner, so that noise generated by the speed reducer due to shaking is reduced, meanwhile, damage of the speed reducer due to shaking in the using process is reduced, and the service life of the speed reducer is prolonged.

According to the preferable technical scheme, the lock catch structure comprises a second clamping block, a sliding block, a third telescopic rod and a limiting groove, the outer wall of one side of the second clamping block is in an inclined design, the arc-shaped fixing frame is clamped with the second clamping block through the first clamping block, and the arc-shaped fixing frame can be fixed inside the lower sealing cover through the matching use of the second clamping block and the first clamping block, so that the installation and the disassembly of the arc-shaped fixing frame are facilitated.

According to the preferable technical scheme, the limiting strip matched with the limiting groove is fixedly installed inside the sliding groove, the second clamping block is connected with the lower sealing cover in a sliding mode through the sliding block, the sliding groove and the limiting groove, two ends of the third telescopic rod are fixedly connected with the second clamping block and the lower sealing cover respectively, the spring is installed inside the third telescopic rod, and the sliding groove and the sliding block are matched for use, so that the friction force of the second clamping block during left-right movement can be reduced, clamping connection between the first clamping block and the second clamping block is facilitated, meanwhile, reverse pressure of the second clamping block can be provided by the third telescopic rod, and the phenomenon that the first clamping block is separated from the second clamping block is reduced.

Compared with the prior art, the invention provides a high-efficiency noise reduction structure for a speed reducer, which has the following beneficial effects:

1. the efficient noise reduction structure for the speed reducer comprises a sound absorption pad, a lower sealing cover, an upper sealing cover and a sealing ring, wherein the sound absorption pad, the lower sealing cover, the upper sealing cover and the sealing ring are arranged, when the efficient noise reduction structure is used, a speed reducer body is placed inside the lower sealing cover, an input shaft and an output shaft of the speed reducer are placed on the surface of an arc-shaped object placing table, then a worker can attach the upper sealing cover and the lower sealing cover, the upper sealing cover and the lower sealing cover are packaged through fixing holes in a first connecting plate and a second connecting plate, the sealing ring is sleeved on the outer walls of the input shaft and the output shaft of the speed reducer, the phenomenon that noise is transmitted to the outside when the speed reducer works can be effectively reduced, meanwhile, the sound absorption pad is arranged on the inner wall of the lower sealing cover, and the sound absorption pad is made of foam metal and is wavy on the surface, so that noise generated when the speed reducer works can be effectively absorbed;

2. the efficient noise reduction structure for the speed reducer is characterized in that a damping device and a lock catch structure are fixed, when the efficient noise reduction structure is used, after a speed reducer body is placed inside a lower sealing cover, an arc-shaped fixing frame can be sleeved on the outer walls of an input shaft and an output shaft of the speed reducer respectively, the arc-shaped fixing frame is extruded downwards, a first clamping block at the bottom of the arc-shaped fixing frame is contacted with a second clamping block, certain pressure is applied to the second clamping block by the first clamping block while the first clamping block is contacted, the second clamping block moves towards one side along a sliding groove through a sliding block until the first clamping block and the second clamping block are clamped with each other, the second clamping block is mutually attached to the first clamping block under the pressure of a third telescopic rod, so that the arc-shaped fixing frame is fixed, after the arc-shaped fixing frame is installed, a worker can rotate a threaded rod according to the diameters of the input shaft and the output shaft of the speed reducer at the moment, so that the first telescopic rod and the second telescopic rod are driven to move downwards, make the rubber circle laminating at speed reducer input shaft and speed reducer output shaft outer wall, and then reduce the shake phenomenon that the speed reducer produced in the use, when reducing the speed reducer and producing the noise because of the shake, improve the protective capacities to the speed reducer.

Drawings

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

FIG. 2 is a schematic view of the overall internal structure of the present invention;

FIG. 3 is a schematic view of the fixed damping device of the present invention;

FIG. 4 is a schematic view of the internal structure of the first and second telescoping rods of the present invention;

FIG. 5 is a schematic view of the upper surface structure of the lower sealing cap according to the present invention;

FIG. 6 is a schematic view of a locking structure of the present invention;

FIG. 7 is a schematic view of the sound absorption pad of the present invention.

In the figure: 1. a lower sealing cover; 2. an upper sealing cover; 3. a first connecting plate; 4. a second connecting plate; 5. an arc-shaped object placing table; 6. a speed reducer body; 7. an input shaft of the speed reducer; 8. an output shaft of the reducer; 9. fixing a damping device; 901. an arc-shaped fixing frame; 902. a rubber ring; 903. a threaded rod; 904. a first telescopic rod; 905. a second telescopic rod; 906. a return spring; 907. a first clamping block; 10. A chute; 11. a locking structure; 1101. a second fixture block; 1102. a slider; 1103. a third telescopic rod; 1104. a limiting groove; 12. a seal ring; 13. a sound absorption pad.

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.

The first embodiment is as follows:

referring to fig. 1-7, a high-efficiency noise reduction structure for a speed reducer, which comprises a lower sealing cover 1 and an upper sealing cover 2, wherein the outer walls of the two sides of the lower sealing cover 1 and the upper sealing cover 2 are fixedly provided with a first connecting plate 3 and a second connecting plate 4, the first connecting plate 3 and the second connecting plate 4 are both provided with fixing holes, the lower sealing cover 1 and the upper sealing cover 2 are both fixedly provided with an arc-shaped object placing table 5, the surface of the arc-shaped object placing table 5 is provided with a speed reducer input shaft 7 and a speed reducer output shaft 8, a speed reducer body 6 is arranged between the speed reducer input shaft 7 and the speed reducer output shaft 8, the outer walls of the speed reducer input shaft 7 and the speed reducer output shaft 8 are both sleeved with a fixing and damping device 9, the fixing and damping device 9 comprises an arc-shaped fixing frame 901, a rubber ring 902, a threaded rod 903, a first telescopic rod 904, a second telescopic rod 905, a third telescopic rod 905, a fourth telescopic rod, a fourth rod, a fifth rod, a sixth rod, a seventh rod, a sixth rod, a seventh rod, a sixth rod, The device comprises a reset spring 906 and first fixture blocks 907, the number of threaded rods 903 is three, the threaded rods 903 are distributed on the surface of an arc-shaped fixing frame 901 in an arc shape, threaded holes matched with the threaded rods 903 are formed in the arc-shaped fixing frame 901, the threaded rods 903 are fixedly connected with the first telescopic rods 904, and the threaded rods 903 are used for adjusting the height of the rubber rings 902 up and down, so that the device is matched with the speed reducers of different sizes, and the adaptive capacity of the device is enhanced; second telescopic link 905 and rubber circle 902 fixed connection, reset spring 906's both ends respectively with first telescopic link 904 and second telescopic link 905 fixed connection, first telescopic link 904 and second telescopic link 905 sliding connection, first telescopic link 904, second telescopic link 905, reset spring 906 and rubber circle 902's cooperation is used, when reducing the speed reducer because of the shake phenomenon produces the noise, can reduce the speed reducer because the damage that the shake leads to in the use, improve the life of speed reducer.

Referring to fig. 5-6, a sliding groove 10 is formed at the bottom of the inner wall of the lower sealing cover 1, the sliding groove 10 is internally disposed in the locking structure 11, the locking structure 11 includes a second fixture block 1101, a sliding block 1102, a third telescopic rod 1103 and a limiting groove 1104, the outer wall of one side of the second fixture block 1101 is designed to be inclined, the arc-shaped fixing frame 901 is clamped with the second fixture block 1101 through a first fixture block 907, and the second fixture block 1101 is matched with the first fixture block 907 for use, so that the arc-shaped fixing frame 901 can be fixed in the lower sealing cover 1, and the installation and the disassembly of the arc-shaped fixing frame 901 are facilitated; the limiting strip matched with the limiting groove 1104 is fixedly installed inside the sliding groove 10, the second clamping block 1101 is connected with the lower sealing cover 1 in a sliding mode through the sliding block 1102, the sliding groove 10 and the limiting groove 1104, two ends of the third telescopic rod 1103 are fixedly connected with the second clamping block 1101 and the lower sealing cover 1 respectively, a spring is installed inside the third telescopic rod 1103, the sliding groove 10 and the sliding block 1102 are matched for use, friction force generated when the second clamping block 1101 moves leftwards and rightwards can be reduced, clamping between the first clamping block 907 and the second clamping block 1101 is facilitated, meanwhile, the third telescopic rod 1103 can provide reverse pressure for the second clamping block 1101, and the phenomenon that the first clamping block 907 is separated from the second clamping block 1101 is reduced.

Example two:

referring to fig. 7, on the basis of the first embodiment, a sealing ring 12 is arranged between a lower sealing cover 1 and an upper sealing cover 2, the inner diameter of the sealing ring 12 is matched with the outer diameters of a reducer input shaft 7 and a reducer output shaft 8, parallel fixing holes are formed in the sealing ring 12 and an arc-shaped object placing table 5, the sealing ring 12 is made of an elastic sound-absorbing material, and the lower sealing cover 1, the upper sealing cover 2 and the sealing ring 12 are used in a matched manner, so that the phenomenon that noise is transmitted to the outside during the operation of the reducer can be effectively reduced, and the protection of workers is improved; the sound absorption pad 13 is fixedly installed on the side wall of the inner portion of the lower sealing cover 1, the sound absorption pad 13 is made of foam metal, the surface of the sound absorption pad 13 is wavy, the sound absorption pad 13 can absorb noise generated when the speed reducer works, meanwhile, the wavy appearance can reflect sound waves, and the noise absorption capacity is enhanced.

The working principle and the using process of the invention are as follows: the high-efficiency noise reduction structure for the speed reducer is characterized in that when the high-efficiency noise reduction structure is used, a speed reducer body 6 is placed inside a lower sealing cover 1, a speed reducer input shaft 7 and a speed reducer output shaft 8 are placed on the surface of an arc-shaped object placing table 5, then a worker can attach an upper sealing cover 2 and the lower sealing cover 1 and package the objects through fixing holes inside a first connecting plate 3 and a second connecting plate 4, sealing rings 12 are sleeved on the outer walls of the speed reducer input shaft 7 and the speed reducer output shaft 8, the phenomenon that noise is transmitted to the outside when the speed reducer works can be effectively reduced, meanwhile, because a sound absorption pad 13 is arranged on the inner wall of the lower sealing cover 1, and because the sound absorption pad 13 is made of foam metal, the surface is wavy, noise generated when the speed reducer works can be effectively absorbed, when the speed reducer body 6 is placed inside the lower sealing cover 1, an arc-shaped fixing frame can be respectively sleeved on the outer walls of the speed reducer input shaft 7 and the speed reducer output shaft 8 at the moment, and the arc-shaped fixing frame 901 is pressed downwards, so that the first fixture block 907 at the bottom of the arc-shaped fixing frame 901 is contacted with the second fixture block 1101, the first fixture block 907 is applied with a certain pressure to the second fixture block 1101 while being contacted, the second fixture block 1101 moves towards one side along the sliding groove 10 through the sliding block 1102 until the first fixture block 907 is clamped with the second fixture block 1101, and the second fixture block 1101 is mutually attached to the first fixture block 907 under the pressure of the third telescopic rod 1103, so as to fix the arc-shaped fixing frame 901, after the installation of the arc-shaped fixing frame 901 is completed, a worker can rotate the threaded rod 903 according to the diameters of the speed reducer input shaft 7 and the speed reducer output shaft 8, so as to drive the first telescopic rod 904 and the second telescopic rod 905 to move downwards, so that the rubber ring 902 is attached to the outer walls of the speed reducer input shaft 7 and the speed reducer output shaft 8, further, the shaking phenomenon generated in the use process of the speed reducer is reduced, and meanwhile, noise generated due to shaking is reduced, the protection capability of the speed reducer is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a structure of making an uproar falls in high efficiency for speed reducer which characterized in that: comprises a lower sealing cover (1) and an upper sealing cover (2), wherein the outer walls of two sides of the lower sealing cover (1) and the upper sealing cover (2) are fixedly provided with a first connecting plate (3) and a second connecting plate (4), the first connecting plate (3) and the second connecting plate (4) are both provided with fixing holes inside, the inner parts of the lower sealing cover (1) and the upper sealing cover (2) are both fixedly provided with an arc-shaped object placing table (5), the surface of the arc-shaped object placing table (5) is provided with a speed reducer input shaft (7) and a speed reducer output shaft (8), a speed reducer body (6) is arranged between the speed reducer input shaft (7) and the speed reducer output shaft (8), the outer walls of the input shaft (7) and the output shaft (8) of the speed reducer are respectively sleeved with a fixed damping device (9), the bottom of the inner wall of the lower sealing cover (1) is provided with a sliding groove (10), and the sliding groove (10) is internally arranged in the lock catch structure (11).

2. The structure of claim 1, wherein: be provided with between lower sealing cover (1) and the upper seal lid (2) sealing washer (12), the internal diameter size of sealing washer (12) and the external diameter size phase-match of speed reducer input shaft (7) and speed reducer output shaft (8), sealing washer (12) and arc are put thing platform (5) inside and are seted up parallel fixed orifices, sealing washer (12) are the sound material of inhaling of elasticity.

3. The structure of claim 1, wherein: the sound absorption structure is characterized in that a sound absorption pad (13) is fixedly mounted on the inner side wall of the lower sealing cover (1), the sound absorption pad (13) is made of foam metal, and the surface of the sound absorption pad (13) is wavy.

4. The structure of claim 1, wherein: the fixed damping device (9) comprises an arc-shaped fixing frame (901), rubber rings (902), threaded rods (903), first telescopic rods (904), second telescopic rods (905), reset springs (906) and first clamping blocks (907), the number of the threaded rods (903) is three, the threaded rods (903) are distributed in an arc shape on the surface of the arc-shaped fixing frame (901), threaded holes matched with the threaded rods (903) are formed in the arc-shaped fixing frame (901), and the threaded rods (903) are fixedly connected with the first telescopic rods (904).

5. The structure of claim 4, wherein: second telescopic link (905) and rubber circle (902) fixed connection, the both ends of reset spring (906) respectively with first telescopic link (904) and second telescopic link (905) fixed connection, first telescopic link (904) and second telescopic link (905) sliding connection.

6. The structure of claim 4, wherein: the locking structure (11) comprises a second clamping block (1101), a sliding block (1102), a third telescopic rod (1103) and a limiting groove (1104), the outer wall of one side of the second clamping block (1101) is in an inclined design, and the arc-shaped fixing frame (901) is clamped with the second clamping block (1101) through a first clamping block (907).

7. The structure of claim 6, wherein: the limiting strip matched with the limiting groove (1104) is fixedly installed inside the sliding groove (10), the second clamping block (1101) is connected with the lower sealing cover (1) in a sliding mode through the sliding block (1102), the sliding groove (10) and the limiting groove (1104), two ends of the third telescopic rod (1103) are fixedly connected with the second clamping block (1101) and the lower sealing cover (1) respectively, and a spring is installed inside the third telescopic rod (1103).