CN215964569U

CN215964569U - Clamping bearing loosening device

Info

Publication number: CN215964569U
Application number: CN202121614963.2U
Authority: CN
Inventors: 刘岩; 李进
Original assignee: Beijing Benz Automotive Co Ltd
Current assignee: Beijing Benz Automotive Co Ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-03-08
Anticipated expiration: 2031-07-15

Abstract

A stuck bearing loosening apparatus, comprising: a base plate; the bracket is arranged on the bottom plate; the first driving mechanism comprises a bearing seat, a rotating shaft, a rocker arm and a crank, wherein the bearing seat is arranged on the bracket, the rotating shaft is arranged on the bearing seat, one end of the rocker arm is connected with one end of the rotating shaft, and the crank is connected with the other end of the rocker arm; and a connecting member installed at the other end of the rotating shaft. The utility model is suitable for equipment maintenance in a paint spraying workshop, can apply larger torque when the bearing of the roller is clamped, recovers the rotation of the clamped bearing, rapidly recovers production, and can be suitable for rollers with different heights.

Description

Clamping bearing loosening device

Technical Field

The utility model relates to a maintenance tool for automobile production, in particular to a locked bearing loosening device suitable for a paint spraying workshop.

Background

In order to improve the availability of equipment and reduce the influence of equipment shutdown on production efficiency, more and more equipment is maintained from the initial stage of design in consideration of equipment, and the excellent design can ensure that the outage rate is lower in the operation process of the equipment and the labor intensity in the maintenance process is weaker.

Referring to fig. 1, fig. 1 is a schematic diagram illustrating the operation of a conveyor roller in a paint shop oven according to the prior art. The conveying roller bed in the baking oven of the painting workshop in the prior art has the working principle that the driving motor 10 drives the chain wheel 30 through the transmission chain 20, the chain wheel 30 is connected with the cross universal coupling 40 through key connection, the cross universal coupling 40 is connected with the roller 50, two ends of the roller 50 are rollers, the rollers rotate to drive the skid to drive the vehicle body to run, and two ends of the rollers are installed on the bearing seat 60 with the rolling bearing. The driving motor 10, the transmission chain 20 and the chain wheel 30 are designed and installed outside the oven, and other parts are installed inside the oven. Because the rolling bearing in the bearing seat 60 is in a high-temperature environment for a long time, lubrication is easy to lose efficacy, no lubrication causes blocking for a long time, if the rolling bearing is damaged in the production process, the conveying rolling machine cannot run, and because the temperature in the oven is too high, maintenance personnel are difficult to enter the high-temperature environment for replacement, and the workshop production efficiency is seriously influenced.

This structure of prior art is because being in high temperature environment for a long time, and the antifriction bearing in the bearing frame is lubricated easy inefficacy, and it is dead to have no lubrication to cause the card for a long time, if damage in the production process, carries the unable operation of roller bed, because the inside temperature of oven is too high, and maintainer is difficult to get into high temperature environment and changes, seriously influences workshop production efficiency. When the bearing inside the roller machine is stuck, the driving motor 10 cannot drive the roller of the roller 50 through the transmission chain 20. After the transmission chain 20 is disassembled, the dead bearing can not be rotated by the torque generated by a common tool, and if the pipe wrench is used for fixing the chain wheel 30, the pipe wrench can not be rotated because the upper chamber body is close to the upper chamber body. The maintenance tool also requires versatility due to the different heights of the rollers 50 of the different oven rollers.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a clamping bearing loosening device aiming at the defects in the prior art.

In order to achieve the above object, the present invention provides a snap bearing loosening apparatus, including:

a base plate;

the bracket is arranged on the bottom plate;

the first driving mechanism comprises a bearing seat, a rotating shaft, a rocker arm and a crank, wherein the bearing seat is arranged on the bracket, the rotating shaft is arranged on the bearing seat, one end of the rocker arm is connected with one end of the rotating shaft, and the crank is connected with the other end of the rocker arm; and

and the connecting piece is arranged at the other end of the rotating shaft.

The above-mentioned locking bearing loosening device, wherein, the connecting piece is the sprocket.

The loose device of the dead bearing is characterized in that the chain wheel is the same as the roller connecting chain wheel of the paint spraying oven in structure.

The above-mentioned locking bearing loosening device further comprises a first adjusting part arranged between the bearing seat and the bracket.

Foretell dead bearing of card is not hard up to be put, wherein, first regulating part includes support regulating plate, bearing frame regulating plate and first adjusting screw, the support regulating plate is installed the top of support, the bearing frame regulating plate is installed the bottom of bearing frame, first adjusting screw respectively with support regulating plate and bearing frame regulating plate are connected.

The above-mentioned locking bearing loosening device further comprises a second driving mechanism, which is installed on the bottom plate and connected with the first driving mechanism through a transmission mechanism.

In the above locked bearing loosening device, the second driving mechanism includes a pneumatic booster pump, and an output shaft of the pneumatic booster pump is connected to the rotating shaft through the transmission mechanism.

The transmission mechanism comprises a large chain wheel, a small chain wheel and a chain, the large chain wheel is installed on the rotating shaft, the small chain wheel is connected with an output shaft of the pneumatic booster pump, and the chain is tensioned on the large chain wheel and the small chain wheel.

The above-mentioned locking bearing loosening device further comprises a second adjusting part arranged between the second driving mechanism and the bottom plate.

The bearing loosening device is clamped, wherein the second adjusting portion comprises a second bottom plate and a second adjusting screw rod, the second driving mechanism is installed on the second bottom plate, and the second adjusting screw rod is connected with the bottom plate and the second bottom plate respectively.

The utility model has the beneficial effects that:

the utility model is suitable for equipment maintenance in a paint spraying workshop, can apply larger torque when the bearing of the roller is clamped, recovers the rotation of the clamped bearing, rapidly recovers production, and can be suitable for rollers with different heights.

The utility model is described in detail below with reference to the drawings and specific examples, but the utility model is not limited thereto.

Drawings

FIG. 1 is a schematic view of the operation principle of a conveying roller machine in a paint shop oven in the prior art;

fig. 2 is a schematic structural diagram according to an embodiment of the present invention.

Wherein the reference numerals

Prior Art

10 drive motor

20 drive chain

30 chain wheel

40 cross universal coupling

50 roller

60 bearing seat

The utility model

1 base plate

2 support

3 first driving mechanism

31 bearing seat

32 rotating shaft

33 Rocker arm

34 crank handle

4 first regulating part

41 support adjusting plate

42 bearing seat adjusting plate

43 first adjusting screw

5 connecting piece

6 second driving mechanism

61 pneumatic booster pump

62 big chain wheel

63 small chain wheel

64 chain

7 second regulating part

71 second base plate

72 second adjusting screw

Detailed Description

The utility model will be described in detail with reference to the following drawings, which are provided for illustration purposes and the like:

referring to fig. 2, fig. 2 is a schematic structural diagram of an embodiment of the present invention. The utility model provides a loose device of a dead-locked bearing, comprising: a base plate 1; the bracket 2 is arranged on the bottom plate 1; the first driving mechanism 3 comprises a bearing seat 31, a rotating shaft 32, a rocker arm 33 and a crank 34, wherein the bearing seat 31 is installed on the bracket 2, the rotating shaft 32 is installed on the bearing seat 31, one end of the rocker arm 33 is connected with one end of the rotating shaft 32, and the crank 34 is connected with the other end of the rocker arm 33; and a connector 5 installed at the other end of the rotation shaft 32. The link 5 is preferably a sprocket and preferably the sprocket is of the same construction as the roller link sprocket of the paint spray oven.

In this embodiment, a first adjusting portion 4 may be further included, which is disposed between the bearing housing 31 and the bracket 2. First regulation portion 4 includes support regulating plate 41, bearing frame regulating plate 42 and first adjusting screw 43, support regulating plate 41 is installed the top of support 2, bearing frame regulating plate 42 is installed the bottom of bearing frame 31, first adjusting screw 43 respectively with support regulating plate 41 and bearing frame regulating plate 42 are connected.

The present embodiment may further include a second driving mechanism 6 mounted on the base plate 1 and connected to the first driving mechanism 3 through a transmission mechanism. The second driving mechanism 6 comprises a pneumatic power-assisted pump 61, and an output shaft of the pneumatic power-assisted pump 61 is connected with the rotating shaft 32 through the transmission mechanism. Wherein the transmission mechanism is preferably a chain transmission mechanism and comprises a large chain wheel 62, a small chain wheel 63 and a chain 64, the large chain wheel 62 is arranged on the rotating shaft 32, the small chain wheel 63 is connected with the output shaft of the pneumatic power-assisted pump 61, and the chain 64 is tensioned on the large chain wheel 62 and the small chain wheel 63. This embodiment may further comprise a second adjustment part 7 arranged between said second drive mechanism 6 and said base plate 1. The second adjusting portion 7 includes a second base plate 71 and a second adjusting screw 72, the second driving mechanism 6 is mounted on the second base plate 71, and the second adjusting screw 72 is connected to the base plate 1 and the second base plate 71, respectively.

The chain wheel with the same structure as the original chain wheel of the baking oven in the painting workshop is adopted, and the tool can be ensured to be normally connected with the roller through key connection; a long rotating shaft 32 is welded between the chain wheel and the crank 34, so that the interference of the oven body is avoided; by increasing the length of the rocker arm 33, the torque exerted by the crank 34 is increased; the pneumatic booster pump 61 also plays a role in increasing torque boosting through the small chain wheel 63, the chain 64 and the large chain wheel 62, and can correspond to roller beds with different heights by adjusting the first adjusting screw 43 and the second adjusting screw 72 simultaneously, and the chain 64 is ensured to be in a tensioning state all the time.

The central hole of the chain wheel of the embodiment is provided with a key groove, and the chain wheel is preferably connected with the rotating shaft 32 in a welding way; the rotating shaft 32 is fixed on the bracket 2 with the bearing seat 31, the height between the bearing seat 31 and the bracket 2 is adjusted through a first adjusting screw rod, and a rolling bearing is arranged in the bearing seat 31; the middle of the rotating shaft 32 is connected with a large chain wheel 62 through a key, the large chain wheel 62 is connected with a small chain wheel 63 through a chain 64, the small chain wheel 63 is installed on a pneumatic booster pump 61, the tail part of the pneumatic booster pump 61 is connected with an air source, and the height between the pneumatic booster pump 61 and the bottom plate 1 is adjusted through a second adjusting screw 72; the tail end of the rotating shaft 32 is welded with an elongated rocker arm 33, and the other end of the rocker arm 33 is a crank 34 for manual operation.

When a roller bearing of a conveying roller machine in an oven is clamped, a chain wheel on the outer side of the roller is disassembled, the roller bearing is placed on the outer side of the roller with the clamped bearing, the height of the rotating shaft 32 is adjusted through the first adjusting screw 43 and the second adjusting screw 72, the connecting piece 5, namely the chain wheel is installed at the end part of the roller, a maintenance worker rotates the crank 34, if the roller bearing cannot rotate, the tail end of the pneumatic booster pump 61 is connected to an air source, and the rotating shaft 32 is assisted to rotate through chain transmission until the bearing in the clamped oven returns to rotate.

The connecting piece 5 of the utility model preferably selects a chain wheel and adopts the structure the same as the original chain wheel of the oven in the painting workshop, thus being convenient to be connected with the original equipment; the lengthened rotating shaft 32 can avoid the interference of the upper oven chamber body; the lengthened rocker arm 33 may increase the torque applied by the service personnel; the pneumatic booster pump 61 can also play a role in increasing the torque by driving the large chain wheel 62 through the small chain wheel 63; meanwhile, the first adjusting screw 43 and the second adjusting screw 72 can be suitable for roller bed rollers with different heights on the premise of ensuring the tensioning of the chain 64. When the oven of the paint spraying workshop breaks down, the dead bearing loosening device can reduce the downtime from 4 hours to 20 minutes, quickly recover the production and effectively reduce the scrappage of the car body to be processed.

The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. A kind of card dead bearing loosening device, comprising:

a base plate;

the bracket is arranged on the bottom plate;

and the connecting piece is arranged at the other end of the rotating shaft.

2. The seized bearing loosening apparatus of claim 1 wherein the connecting member is a sprocket.

3. The apparatus of claim 2, wherein the sprocket is identical in construction to a roller link sprocket of a paint oven.

4. The seized bearing loosening apparatus as claimed in claim 1, 2 or 3, further comprising a first regulating portion provided between the bearing housing and the bracket.

5. The jammed bearing loosening apparatus of claim 4, wherein the first adjusting portion comprises a bracket adjusting plate, a bearing seat adjusting plate and a first adjusting screw, the bracket adjusting plate is installed at a top end of the bracket, the bearing seat adjusting plate is installed at a bottom end of the bearing seat, and the first adjusting screw is connected with the bracket adjusting plate and the bearing seat adjusting plate, respectively.

6. The dead bearing loosening apparatus of claims 1, 2 or 3, further comprising a second drive mechanism mounted on the base plate and connected to the first drive mechanism through a transmission mechanism.

7. The jammed bearing loosening apparatus of claim 6, wherein the second drive mechanism comprises a pneumatic booster pump, an output shaft of the pneumatic booster pump being connected to the rotating shaft through the transmission mechanism.

8. The dead bearing loosening apparatus of claim 7, wherein the transmission mechanism comprises a large sprocket mounted on the shaft, a small sprocket connected to an output shaft of the pneumatic booster pump, and a chain tensioned over the large and small sprockets.

9. The seized bearing loosening apparatus of claim 6, further comprising a second adjustment portion disposed between the second drive mechanism and the base plate.

10. The jammed bearing loosening apparatus of claim 9, wherein the second adjusting portion comprises a second base plate and a second adjusting screw, the second driving mechanism is installed on the second base plate, and the second adjusting screw is connected with the base plate and the second base plate, respectively.