CN211175293U

CN211175293U - Noise reduction assembly for gear reducer

Info

Publication number: CN211175293U
Application number: CN201921371454.4U
Authority: CN
Inventors: 林荣锋; 熊员信
Original assignee: Yancheng Ouster Transmission Machinery Co ltd
Current assignee: Yancheng Ouster Transmission Machinery Co ltd
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-08-04
Anticipated expiration: 2029-08-22

Abstract

The utility model belongs to the field of gear speed reducers, in particular to a noise reduction assembly for a gear speed reducer, which comprises a speed reducer body and a noise reduction mechanism arranged on one side of the speed reducer body, wherein the noise reduction mechanism comprises a fixed box, the inner wall of the fixed box is slidably connected with a guide pressing plate and a spring pressing plate, the guide pressing plate is positioned below the spring pressing plate, and a folding sealing barrel is fixedly bonded on the bottom surface of the guide pressing plate; when the gear inside the speed reducer body rotates, the inside lubricating grease can fluctuate, when the wave crest, the inside lubricating grease can form a cavity, the fluctuating lubricating grease can flow to the inside of the folding sealing barrel and absorb the acting force by the spring, meanwhile, after the wave crest passes, the lubricating grease inside the folding sealing barrel can flow to the inside of the speed reducer body under the action of pressure, the cavity is filled, the lubricating grease can be in contact with the gear inside the speed reducer body all the time, the lubricating effect is increased, and the friction vibration is small, so that the noise is reduced.

Description

Noise reduction assembly for gear reducer

Technical Field

The utility model relates to a gear reducer field specifically is a subassembly of making an uproar falls for gear reducer.

Background

The gear reducer is generally used for low-rotating-speed and high-torque transmission equipment, and the common reducer of the motor also has several pairs of gears with the same principle to achieve an ideal speed reduction effect, wherein the ratio of the number of the teeth of the large gear to the number of the teeth of the small gear is the transmission ratio. With the continuous development of the speed reducer industry, more and more enterprises apply the speed reducer.

When the internal gear of the existing gear speed reducer rotates, internal lubricating grease can fluctuate, and when wave peaks occur, the internal lubricating grease can form a cavity, so that after the gear speed reducer is used for a long time, the lubricating grease is unevenly distributed, the internal gear of the gear speed reducer cannot be sufficiently lubricated, the friction between the gears is increased, and the noise is large.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a subassembly of making an uproar falls for gear 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 noise reduction assembly for a gear speed reducer comprises a speed reducer body and a noise reduction mechanism arranged on one side of the speed reducer body, wherein the noise reduction mechanism comprises a fixed box, the inner wall of the fixed box is connected with a guide pressure plate and a spring pressure plate in a sliding manner, the guide pressure plate is positioned below the spring pressure plate, a folding sealing barrel is fixedly bonded on the bottom surface of the guide pressure plate, the bottom end of the folding sealing barrel is fixedly connected with a conical tube, the conical tube is fixedly connected with the bottom end of the fixed box, a spring is arranged between the guide pressure plate and the spring pressure plate, two ends of the spring are respectively fixedly connected with the guide pressure plate and the spring pressure plate, two screw rods are symmetrically and rotatably connected with the inner wall of the fixed box, the screw rods penetrate through the guide pressure plate and the spring pressure plate and are in threaded connection with the spring pressure plate, the, the noise reduction mechanism is characterized in that a rotating shaft is rotatably connected to the center of the top end of the noise reduction mechanism, a transmission gear is fixedly connected to one end of the rotating shaft, and the transmission gear is meshed with the gear ring.

As a further aspect of the present invention: the spring pressing plate is symmetrically and fixedly connected with two screw connecting columns, and the spring pressing plate is in screw connection with the screw rod through the screw connecting columns.

As a further aspect of the present invention: the bottom fixedly connected with communicating pipe of toper pipe, the bottom fixedly connected with flange of communicating pipe, communicating pipe passes through flange with this body coupling of speed reducer to link up rather than inside.

As a further aspect of the present invention: the top end of the fixed box is fixedly connected with a guard plate, and the diameter of the guard plate is larger than that of the fixed box.

As a further aspect of the present invention: the other end fixedly connected with hand wheel of pivot, the pivot is located the top surface of backplate.

As a further aspect of the present invention: the outer wall of the fixed box is fixedly connected with a conveying pipe, and one end of the conveying pipe is located in the fixed box and communicated with the conical pipe.

As a further aspect of the present invention: the bottom surface fixedly connected with of speed reducer body connects the base.

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

1. when the gear inside the speed reducer body rotates, the inside lubricating grease can fluctuate, when the wave crest, the inside lubricating grease can form a cavity, the fluctuating lubricating grease can flow to the inside of the folding sealing barrel and absorb the acting force by the spring, meanwhile, after the wave crest passes, the lubricating grease inside the folding sealing barrel can flow to the inside of the speed reducer body under the action of pressure, the cavity is filled, the lubricating grease can be in contact with the gear inside the speed reducer body all the time, the lubricating effect is increased, and the friction vibration is small, so that the noise is reduced.

2. When the lubricating grease is required to be filled into the speed reducer body, the lubricating grease is filled into the conical tube and the folding sealing barrel through the conveying pipe, pressurization is continuously carried out, the gear inside the speed reducer body is rotated, the lubricating grease inside the conical tube and the folding sealing barrel is conveyed into the speed reducer body through the communicating pipe under the action of the pressure, the lubricating grease can fully flow to each part inside the speed reducer body, and lubrication is more sufficient.

Drawings

FIG. 1 is a schematic structural view of a noise reduction assembly for a gear reducer;

FIG. 2 is a schematic structural diagram of a noise reduction mechanism used in a noise reduction assembly of a gear reducer;

FIG. 3 is a schematic diagram of an internal structure of a noise reduction mechanism used in a noise reduction assembly of a gear reducer;

FIG. 4 is a schematic view of the screw position in a noise reduction assembly for a gear reducer.

In the figure: 1. a speed reducer body; 11. connecting a base; 2. a noise reduction mechanism; 21. a fixing box; 211. a guard plate; 22. a guide pressure plate; 23. a spring pressing plate; 231. a screw connection column; 24. folding the sealed barrel; 25. a tapered tube; 251. a communicating pipe; 252. a connecting flange; 26. a spring; 27. a screw; 271. a ring gear; 28. a rotating shaft; 281. a transmission gear; 282. a hand wheel; 3. a delivery pipe.

Detailed Description

Referring to fig. 1 to 4, in an embodiment of the present invention, a noise reduction assembly for a gear reducer includes a reducer body 1 and a noise reduction mechanism 2 installed at one side of the reducer body, the noise reduction mechanism 2 includes a fixing box 21, an inner wall of the fixing box 21 is slidably connected with a guide pressing plate 22 and a spring pressing plate 23, the guide pressing plate 22 is located below the spring pressing plate 23, a bottom surface of the guide pressing plate 22 is fixedly bonded with a folding sealing barrel 24, a bottom end of the folding sealing barrel 24 is fixedly connected with a tapered tube 25, the tapered tube 25 is fixedly connected to a bottom end of the fixing box 21, a spring 26 is disposed between the guide pressing plate 22 and the spring pressing plate 23, two ends of the spring 26 are respectively fixedly connected with the guide pressing plate 22 and the spring pressing plate 23, the inner wall of the fixing box 21 is symmetrically and rotatably connected with two screws 27, the screws 27 penetrate through the guide pressing plate 22 and the spring pressing plate 23 and, the top center of the noise reduction mechanism 2 is rotatably connected with a rotating shaft 28, one end of the rotating shaft 28 is fixedly connected with a transmission gear 281, and the transmission gear 281 is meshed with the gear ring 271.

In fig. 1 and 2: the speed reducer comprises a speed reducer body 1 and a noise reduction mechanism 2 installed on one side of the speed reducer body, wherein the noise reduction mechanism 2 can reduce noise in the speed reducer body 1, noise is reduced, a base 11 is fixedly connected to the bottom surface of the speed reducer body 1, and the speed reducer body 1 is fixed with a fixing surface through the connecting base 11.

In fig. 3 and 4: the noise reduction mechanism 2 comprises a fixed box 21, the inner wall of the fixed box 21 is connected with a guide pressure plate 22 and a spring pressure plate 23 in a sliding manner, the guide pressure plate 22 is positioned below the spring pressure plate 23, a folding sealing barrel 24 is fixedly bonded on the bottom surface of the guide pressure plate 22, the bottom end of the folding sealing barrel 24 is fixedly connected with a conical tube 25, the conical tube 25 is fixedly connected with the bottom end of the fixed box 21, a spring 26 is arranged between the guide pressure plate 22 and the spring pressure plate 23, two ends of the spring 26 are respectively fixedly connected with the guide pressure plate 22 and the spring pressure plate 23, the inner wall of the fixed box 21 is symmetrically and rotatably connected with two screw rods 27, the screw rods 27 penetrate through the guide pressure plate 22 and the spring pressure plate 23 and are in threaded connection with the spring pressure plate 23, the outer wall of the top end of the screw rod 27 is fixedly connected with a gear ring 271, the center, the bottom end of the conical tube 25 is fixedly connected with a communicating tube 251, the bottom end of the communicating tube 251 is fixedly connected with a connecting flange 252, the communicating tube 251 is connected with the speed reducer body 1 of the speed reducer through the connecting flange 252 and is communicated with the inside of the speed reducer body 1, the outer wall of the fixed box 21 is fixedly connected with a conveying tube 3, one end of the conveying tube 3 is positioned in the fixed box 21 and is communicated with the conical tube 25, when lubricating grease needs to be filled in the speed reducer body 1, the lubricating grease is firstly filled in the conical tube 25 and the folding sealing barrel 24 through the conveying tube 3 and is continuously pressurized, meanwhile, a gear in the speed reducer body 1 is rotated, under the action of pressure, the lubricating grease in the conical tube 25 and the folding sealing barrel 24 is conveyed into the speed reducer body 1 through the communicating tube 251, the lubricating grease can fully flow to each part in the speed reducer body 1, the, the interior of the folding sealed barrel 24 is filled with lubricating grease, then the conveying pipe 3 is sealed, the transmission gear 281 is rotated through the rotating shaft 28, so as to drive the screw 27 to rotate, under the action of the screw thread, the spring pressing plate 23 and the spring 26 move downwards, the folding sealed barrel 24 is pressurized through the guide pressing plate 22, and under the action of the spring 26, the interior of the folding sealed barrel is continuously pressurized, when the speed reducer body 1 runs, the internal lubricating grease can fluctuate when the internal gear rotates, when the wave crest occurs, the internal lubricating grease can form a cavity, the fluctuating lubricating grease can flow into the folding sealed barrel 24 and can absorb acting force by the spring 26, meanwhile, after the wave crest passes, the lubricating grease in the folding sealed barrel 24 can flow into the speed reducer body 1 under the action of the pressure, the cavity is filled, so that the lubricating grease can be always contacted with the gear in the speed reducer body 1, increase lubricated effect, less friction vibration, thereby the production of noise reduction, two spiro union posts 231 of symmetry fixedly connected with on the spring clamp plate 23, spring clamp plate 23 passes through spiro union post 231 and screw rod 27 spiro union, the spiro union post 231 can increase the spiro union area of spring clamp plate 23 and spiro union post 231, increase drive power, the top fixedly connected with backplate 211 of fixed box 21, the diameter of backplate 211 is greater than the diameter of fixed box 21, can play certain guard action to fixed box 21, the other end fixedly connected with hand wheel 282 of pivot 28, pivot 28 is located the top surface of backplate 211, rotate pivot 28 through hand wheel 282, it is more convenient to use.

The utility model discloses a theory of operation is: when lubricating grease needs to be filled into the speed reducer body 1, firstly, the lubricating grease is filled into the conical tube 25 and the folding sealing barrel 24 through the conveying pipe 3, and is continuously pressurized, meanwhile, the gear in the speed reducer body 1 is rotated, under the action of the pressure, the lubricating grease in the conical tube 25 and the folding sealing barrel 24 is conveyed into the speed reducer body 1 through the communicating pipe 251, the lubricating grease can fully flow to each part in the speed reducer body 1, the lubrication is more sufficient, after the lubricating grease is filled into the speed reducer body 1, the folding sealing barrel 24 is filled with the lubricating grease, then, the conveying pipe 3 is sealed, the transmission gear 281 is rotated through the rotating shaft 28, so as to drive the screw 27 to rotate, under the action of the threads, the spring pressing plate 23 and the spring 26 move downwards, the guide pressing plate 22 applies pressure to the folding sealing barrel 24, and under the action of the spring 26, make its inside pressure that continues to have, when speed reducer body 1 moves, its inside gear is when rotating, inside lubricating grease can take place undulantly, when the crest, inside lubricating grease can form the cavity, undulant lubricating grease can flow to in the folding sealed bucket 24, and absorb the effort by spring 26, and simultaneously, after the crest, the inside lubricating grease of folding sealed bucket 24 can flow to speed reducer body 1 is inside under the effect of pressure, fill the cavity position, make lubricating grease can all the time with the inside gear contact of speed reducer body 1, increase lubricated effect, less friction vibration, thereby the production of noise reduction.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a subassembly of making an uproar falls for gear reducer, includes speed reducer body (1) and installs the mechanism of making an uproar (2) of falling in its one side, its characterized in that, it falls the mechanism of making an uproar (2) including fixed box (21) to fall, the inner wall sliding connection of fixed box (21) has direction clamp plate (22) and spring clamp plate (23), direction clamp plate (22) are located the below of spring clamp plate (23), the bottom surface bonding of direction clamp plate (22) is fixed with folding sealed bucket (24), the bottom fixedly connected with toper pipe (25) of folding sealed bucket (24), toper pipe (25) fixed connection in the bottom of fixed box (21), be equipped with spring (26) between direction clamp plate (22) and spring clamp plate (23), the both ends of spring (26) respectively with direction clamp plate (22) with spring clamp plate (23) fixed connection, the inner wall symmetry of fixed box (21) is rotated and is connected with two screw rods (27), screw rod (27) run through direction clamp plate (22) reach spring clamp plate (23), and with spring clamp plate (23) spiro union, the top outer wall fixedly connected with ring gear (271) of screw rod (27), the top central point department of putting of making an uproar mechanism (2) of falling rotates and is connected with pivot (28), the one end fixedly connected with drive gear (281) of pivot (28), drive gear (281) with ring gear (271) meshing.

2. The noise reduction assembly for the gear reducer according to claim 1, wherein two screw connecting columns (231) are symmetrically and fixedly connected to the spring pressing plate (23), and the spring pressing plate (23) is in screw connection with the screw rod (27) through the screw connecting columns (231).

3. The noise reduction assembly for the gear reducer according to claim 1, wherein a communication pipe (251) is fixedly connected to a bottom end of the conical pipe (25), a connection flange (252) is fixedly connected to a bottom end of the communication pipe (251), and the communication pipe (251) is connected with the reducer body (1) through the connection flange (252) and is communicated with the interior of the reducer body.

4. The noise reduction assembly for the gear reducer according to claim 1, wherein a guard plate (211) is fixedly connected to the top end of the fixed box (21), and the diameter of the guard plate (211) is larger than that of the fixed box (21).

5. The noise reduction assembly for the gear reducer according to claim 4, wherein a hand wheel (282) is fixedly connected to the other end of the rotating shaft (28), and the rotating shaft (28) is located on the top surface of the guard plate (211).

6. The noise reduction assembly for the gear reducer according to claim 1, wherein a conveying pipe (3) is fixedly connected to an outer wall of the fixing box (21), and one end of the conveying pipe (3) is located in the fixing box (21) and is communicated with the conical pipe (25).

7. The noise reduction assembly for the gear reducer according to claim 1, wherein a connection base (11) is fixedly connected to the bottom surface of the reducer body (1).