CN111645030A

CN111645030A - Mechanical equipment for automatically taking out damaged bearing from shaft

Info

Publication number: CN111645030A
Application number: CN202010620705.9A
Authority: CN
Inventors: 金桂荣
Original assignee: Shengzhou Panchen Machinery Technology Co ltd
Current assignee: Shengzhou Panchen Machinery Technology Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2020-09-11

Abstract

The invention discloses mechanical equipment for automatically taking out a damaged bearing from a shaft, which comprises a machine body, wherein a working cavity is arranged in the machine body, a sliding cavity is arranged in the upper side wall body of the working cavity, and the mechanical equipment is provided with a fixing device which can automatically clamp and fix the shaft of the damaged bearing through a clamping block, so that the clamping and taking out of the damaged bearing by a tightening puller device are facilitated; the auxiliary device is arranged, and the outer side of the damaged bearing can be clamped through the sliding fixing block, so that the grabbing hook can be grabbed more conveniently and accurately; the invention is provided with the gripping device, and the circular ball can slide along the arc-shaped groove track through the rotation of the turntable, so that the pulling and gripping hook is close to the inner side to perform gripping operation on the outer side of the damaged bearing; the invention is provided with a tightening puller device, the position of a pull claw can be adjusted by positioning a screw tip in a tip hole of a shaft end, so that the pull claw is hooked on an outer ring of a bearing, and a rotating handle is rotated to drive the pull claw to drive the bearing to move outwards along the axial direction for dismounting.

Description

Mechanical equipment for automatically taking out damaged bearing from shaft

Technical Field

The invention relates to the technical field of bearings, in particular to mechanical equipment for automatically taking out a damaged bearing from a shaft.

Background

The bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process and ensure its rotation precision. When the bearing is reused, the condition that the shaft and the bearing are difficult to clamp and take down due to the damage of the bearing often occurs, so that a mechanical tool called a puller is used, the damaged bearing is mainly axially disassembled from the shaft and can be used as an internal puller or an external puller; generally, the operation can be carried out only by manual assistance, so that the operation working efficiency is low, and when a large number of places for damaging the bearing exist, the operation is very troublesome and labor-consuming, the working efficiency is greatly reduced, and therefore mechanical equipment for automatically taking out the bearing from the shaft to be damaged needs to be designed to solve the problems.

Disclosure of Invention

The object of the present invention is to provide a mechanical device for the automatic extraction of damaged bearings from a shaft that overcomes the above-mentioned drawbacks of the prior art.

According to the mechanical equipment for automatically taking out the damaged bearing from the shaft, which comprises a machine body, wherein a working cavity is arranged in the machine body, a sliding cavity is arranged in the wall body on the upper side of the working cavity, a bearing pulling device for taking out the damaged bearing from the shaft is arranged in the sliding cavity in a sliding manner, the bearing pulling device comprises a puller box which is arranged in the sliding cavity in a sliding manner, a driving block for driving the puller box to move up and down is arranged on the upper side of the puller box, a first oil pipe is connected to the upper side of the driving block, an oil tank for providing hydraulic oil is connected to the other end of the first oil pipe, a driving cavity is arranged in the puller box, a grabbing device for clamping and grabbing an outer ring of a gear is arranged on the left side of the driving cavity, the grabbing device comprises a first motor fixedly arranged in the wall body on the upper, the upper spline of the first rotating shaft is connected with a first gear, the bottom wall of the lower side of the first gear is internally and rotatably provided with a first electromagnet which is slidably arranged with the first rotating shaft, an electromagnet II is rotatably arranged at the lower side of the rotating shaft I, a first telescopic spring is arranged between the electromagnet I and the electromagnet II, a second rotating shaft is rotatably arranged between the driving cavity on the left side of the first rotating shaft and the outer side of the driving cavity, a second gear is fixedly arranged on the second rotating shaft in the driving cavity, a third gear is connected to the lower side of the second rotating shaft in a threaded engagement manner, a fixed disc is arranged in the lower side wall body of the puller box in a sliding way, a puller device which is used for damaging the bearing and is pulled out, rotated and tightened is arranged on the right side of the driving cavity, the utility model discloses a bearing, including working chamber, damage bearing downside is equipped with and damages the bearing, damage the bearing outside and be equipped with the auxiliary device who is used for placing the bearing, damage the bearing downside and be equipped with the fixing device who is used for the chucking to damage the axle of bearing.

On the basis of the technical scheme, the grabbing device comprises the fixed disk, a right side of the rotating shaft the driving cavity with rotate between the driving cavity outside be equipped with the fixed disk well xing is to the pivot three of installation, the fixed disk downside has set firmly thread bush one, thread bush one outside screw-thread engagement is connected with the carousel, the carousel with three meshing of gear are connected, be equipped with the arc guide rail arc wall in the carousel, be equipped with circular ball in the arc wall, the circular ball downside is equipped with and is used for pressing from both sides the drawing of getting the damage bearing outside and grabs the couple, circular ball upside rotate install in the diapire of fixed disk downside.

On the basis of the technical scheme, the tightening puller device comprises a third rotating shaft, a rotary disc, a round ball, a pulling and grabbing hook and a fixed disc, wherein a fourth gear meshed with the first gear is fixedly arranged on the third rotating shaft in the driving cavity, a fifth gear is connected to the fourth lower side of the gear in a threaded meshing manner on the third rotating shaft, a second threaded sleeve meshed with the third rotating shaft in a threaded manner is fixedly arranged on the lower side of the fifth gear, a first sliding block fixedly arranged on the upper side of the fixed disc is connected to the outer side of the threaded sleeve in a meshing manner, a compression spring is arranged between the lower side of the fifth gear and the first sliding block, the first sliding block is slidably arranged in the fixed disc, and a screw tip used for abutting against a bearing is arranged in the wall body of the third rotating shaft and enabling the pulling and grabbing hook to.

On the basis of the technical scheme, the auxiliary device comprises a first gear cavity arranged at the lower side of the working cavity, a second gear cavity is arranged at the upper side of the first gear cavity, a fixing ring is arranged at the upper side of the second gear cavity, a third gear cavity is arranged at the upper side of the fixing ring, a fourth rotating shaft vertically penetrating through the wall body of the second gear cavity is rotatably arranged between the third gear cavity and the first gear cavity, a second motor is arranged in the lower side wall body of the second gear cavity, a seventh gear meshed with a sixth gear fixedly arranged on the fourth rotating shaft is fixedly arranged on a power output shaft of the second motor, an eighth gear is fixedly arranged on the fourth rotating shaft in the third gear cavity, an eighth gear is arranged in the third gear cavity in an array by taking the screw tip as a center, the eighth gear arranged on the left side of the screw tip is a driving gear, other rotating rings are driven gears, and chutes are arranged in the outer side wall body of the fixing ring, the sliding chute is internally provided with a sliding fixed block which is in meshed connection with the eight gears in a sliding mode, the rotating shaft IV in the gear cavity II is fixedly provided with a gear nine, the gear cavity II is internally provided with a gear nine which is arranged by taking the screw tip as a central array, the gear nine which is arranged on the left side of the damaged bearing is a driving gear, the other gear nine is a driven gear, and the outer side of the gear cavity II is rotatably provided with a rotating ring which is in meshed connection with the gear nine.

On the basis of the technical scheme, the fixing device comprises a belt wheel cavity arranged on the upper side of a gear cavity, a shaft clamping box is fixedly arranged on the lower side wall body of the working cavity on the upper side of the belt wheel cavity, a gear cavity four symmetrical to the left and the right is arranged in the shaft clamping box, a rotating shaft five is rotatably arranged between the gear cavity four and the belt wheel cavity, a rotating shaft six is rotatably arranged between the gear cavity one and the gear cavity four, a gear ten is connected to the rotating shaft six in the gear cavity one in a spline meshing manner, a sliding block two slidably mounted with the rotating shaft six is fixedly arranged on the lower side of the gear ten, a sliding rod one symmetrical to the gear ten about is arranged on the lower side of the sliding block two, a belt wheel one is fixedly arranged on the gear ten in the belt wheel cavity, a belt wheel two is fixedly arranged on the rotating shaft five in the belt wheel cavity, and a synchronous belt is arranged between the, the gear clamping device is characterized in that a gear eleven is fixedly arranged on a rotating shaft six and a rotating shaft five in a gear cavity IV, the rear side of the gear eleven is meshed with a clamping block which is slidably mounted with the shaft clamping box, the clamping block is close to a telescopic cavity arranged in a wall body on one side of the screw rod center, a clamping auxiliary block used for assisting in clamping is slidably arranged in the telescopic cavity, a sliding rod II is fixedly arranged on one side, away from the screw rod center, of the clamping auxiliary block, an oil pipe II connected with the sliding rod I is connected on one side, away from the screw rod center, of the sliding rod II, and a telescopic spring II used for resetting is arranged between one side, away from the screw rod center, and the bottom wall.

The invention has the beneficial effects that: the shaft clamping device is provided with the fixing device, and can automatically clamp and fix the shaft of the damaged bearing through the clamping block, so that the clamping and taking-out of the damaged bearing by the tightening puller device are facilitated; the auxiliary device is arranged, and the outer side of the damaged bearing can be clamped through the sliding fixing block, so that the grabbing hook can be grabbed more conveniently and accurately; the invention is provided with the gripping device, and the circular ball can slide along the arc-shaped groove track through the rotation of the turntable, so that the pulling and gripping hook is close to the inner side to perform gripping operation on the outer side of the damaged bearing; the invention is provided with a tightening puller device, the position of a pull claw can be adjusted by positioning a screw tip in a tip hole of a shaft end, so that the pull claw is hooked on an outer ring of a bearing, and a rotating handle is rotated to drive the pull claw to drive the bearing to move outwards along the axial direction for dismounting.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of a mechanical apparatus for automatically removing damaged bearings from a shaft;

FIG. 2 is an enlarged view of a portion of the container of FIG. 1 in accordance with the present invention;

FIG. 3 is a cross-sectional view taken at "B-B" of FIG. 2 in accordance with the present invention;

FIG. 4 is an enlarged view of a portion of the invention at C in FIG. 1;

FIG. 5 is a cross-sectional view taken at "D-D" of FIG. 1 in accordance with the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Referring to fig. 1-5, a mechanical device for automatically taking out a damaged bearing from a shaft according to an embodiment of the present invention includes a body 10, a working chamber 15 is provided in the body 10, a sliding chamber 11 is provided in an upper side wall of the working chamber 15, a bearing poking device 901 for taking out the damaged bearing from the shaft is slidably provided in the sliding chamber 11, the bearing poking device 901 includes a puller box 62 slidably provided in the sliding chamber 11, a driving block 12 for driving the puller box 62 to move up and down is provided on an upper side, an oil pipe 13 is connected to an upper side of the driving block 12, an oil tank 14 for providing hydraulic oil is connected to the other end of the oil pipe 13, a driving chamber 63 is provided in the puller box 62, an outer ring of a gripping device 902 for gripping a gear is provided on a left side of the driving chamber 63, the gripping device 902 includes a first motor 30 fixedly provided in the upper side wall of the driving chamber 63, a first rotating shaft 39 is fixedly arranged on a power output shaft of the first motor 30, a first gear 31 is connected to the first rotating shaft 39 through a spline, a first electromagnet 73 which is slidably mounted with the first rotating shaft 39 is arranged in the bottom wall of the lower side of the first gear 31 in a rotating mode, a second electromagnet 75 is arranged on the lower side of the first rotating shaft 39 in a rotating mode, a first expansion spring 74 is arranged between the first electromagnet 73 and the second electromagnet 75, a second rotating shaft 41 is rotatably arranged between the driving cavity 63 on the left side of the first rotating shaft 39 and the outer side of the driving cavity 63, a second gear 40 is fixedly arranged on the second rotating shaft 41 in the driving cavity 63, a third gear 42 is connected to the lower side of the second rotating shaft 41 in a threaded engagement mode, a fixed disc 64 is slidably arranged in the lower side wall body of the horse drawing box 62, a device 903 for pulling out and rotating and tightening the horse, the damaged bearing 16 is provided with an auxiliary device 904 for placing the bearing on the outer side, and the lower side of the damaged bearing 16 is provided with a fixing device 905 for clamping the shaft of the damaged bearing.

In addition, in one embodiment, the gripping device 902 includes the fixed disk 64, a third rotating shaft 32 installed in alignment with the fixed disk 64 is rotatably installed between the driving cavity 63 on the right side of the first rotating shaft 39 and the outside of the driving cavity 63, a first threaded sleeve 45 is fixedly installed on the lower side of the fixed disk 64, a rotating disk 43 is connected to the outside of the first threaded sleeve 45 in a threaded engagement manner, the rotating disk 43 is connected to the third gear 42 in a meshed manner, an arc-shaped guide rail arc-shaped groove 46 is formed in the rotating disk 43, a circular ball 47 is arranged in the arc-shaped groove 46, a pulling and gripping hook 44 for clamping the outside of a damaged bearing is arranged on the lower side of the circular ball 47, the upper side of the circular ball 47 is rotatably installed in the bottom wall of the lower side of the fixed disk 64, when the first electromagnet 73 and the second electromagnet 75 are energized, the first electromagnet 73 moves downwards to drive the first gear 31, starting the first motor 30, rotating the first motor 30 to drive the first rotating shaft 39 to rotate, rotating the first rotating shaft 39 to drive the first gear 31 to rotate, rotating the first gear 31 to drive the second gear 40 to rotate, rotating the second gear 40 to drive the second rotating shaft 41 to rotate, rotating the second rotating shaft 41 to drive the third gear 42 to rotate, and rotating the third gear 42 to drive the rotating disc 43 to rotate, so that the pulling and grabbing hook 44 is driven to shrink to clamp the bearing.

In addition, in one embodiment, the tightening puller 903 comprises the third rotating shaft 32, the rotating disc 43, the round ball 47, the pulling and grabbing hook 44, the fixed disc 64, a fourth gear 33 engaged with the first gear 31 is fixedly arranged on the third rotating shaft 32 in the driving cavity 63, a fifth gear 34 is connected to the third rotating shaft 32 on the lower side of the fourth gear 33 in a threaded engagement manner, a second threaded sleeve 36 engaged with the third rotating shaft 32 is fixedly arranged on the lower side of the fifth gear 34 in a threaded engagement manner, a first sliding block 37 fixedly arranged on the upper side of the fixed disc 64 is engaged and connected to the outer side of the second threaded sleeve 36, a compression spring 35 is arranged between the lower side of the fifth gear 34 and the first sliding block 37, the first sliding block 37 is slidably arranged in the fixed disc 64, a screw tip 48 used for clamping the pulling and grabbing hook 44 against the shaft center of a bearing is arranged in the wall body on the lower side of the third rotating shaft, when the gear I31 rotates to drive the gear II 33 to rotate, the gear II 33 rotates to drive the rotating shaft III 32 to rotate, the rotating shaft III 32 rotates to drive the sliding block I37 to move upwards, so that the fixed disc 64 is driven to move upwards to pull out the clamped damaged bearing, and the damaged bearing is separated from the shaft; the clamping fixation of the shaft of the damaged bearing precedes the outer fixation of the damaged bearing.

In addition, in one embodiment, the auxiliary device 904 includes a first gear cavity 17 disposed at a lower side of the working cavity 15, a second gear cavity 65 disposed at an upper side of the first gear cavity 17, a fixing ring 59 disposed at an upper side of the second gear cavity 65, a third gear cavity 50 disposed at an upper side of the fixing ring 59, a fourth rotating shaft 21 vertically penetrating through a wall body of the second gear cavity 65 and rotatably disposed between the third gear cavity 50 and the first gear cavity 17, a second motor 19 disposed in a wall body of a lower side of the first gear cavity 17, a seventh gear 20 engaged with a sixth gear 18 fixedly disposed on the fourth rotating shaft 21 and fixedly disposed on a power output shaft of the second motor 19, a eighth gear 51 fixedly disposed on the fourth rotating shaft 21 in the third gear cavity 50, a eighth gear 51 disposed in a central array of the screw tip 48 in the third gear cavity 50, and a eighth gear 51 disposed on a left side of the screw tip 48 as a driving gear, the other rotating rings 61 are driven gears, sliding grooves 60 are formed in the outer side wall of the fixing ring 59 which takes the screw tip 48 as the center in an array mode, sliding fixing blocks 66 which are meshed with the eight gears 51 are arranged in the sliding grooves 60 in a sliding mode, the gear nine 29 is fixedly arranged on the rotating shaft four 21 in the gear cavity two 65, the gear nine 29 which takes the screw tip 48 as the center in an array mode is arranged in the gear cavity two 65, the gear nine 29 which is arranged on the left side of the damaged bearing 16 is a driving gear, the other gear nine 29 is a driven gear, the rotating ring 61 which is meshed with the gear nine 29 is rotatably arranged on the outer side of the gear cavity two 65, when the motor two 19 is started, the gear seven 20 is driven to rotate, the gear six 18 is driven to rotate, the rotating shaft four 21 is driven to rotate, the, the gear nine 29 rotates to drive the rotating ring 61 to rotate, the rotating ring 61 rotates to drive the gear nine 29 on the left side of the screw tip 48 to rotate, the gear nine 29 on the left side of the screw tip 48 rotates to drive the gear eight 51 to rotate, the gear eight 51 rotates to drive the sliding fixing block 66 to move inwards or outwards, the sliding fixing block 66 moves inwards to be used for positioning the damaged bearing 16, the outer bearing clamped by the sliding fixing block 66 can be taken out by the pulling and grabbing hook 44, and therefore the pulling and grabbing device 903 can be conveniently pulled to take out the damaged bearing.

In addition, in one embodiment, the fixing device 905 includes a pulley cavity 25 disposed on the upper side of the gear cavity one 17, a shaft clamping box 69 is fixedly disposed on the lower side wall body of the working cavity 15 on the upper side of the pulley cavity 25, a gear cavity four 67 symmetrical to the left and the right is disposed in the shaft clamping box 69, a rotating shaft five 28 is rotatably disposed between the gear cavity four 67 and the pulley cavity 25, a rotating shaft six 24 is rotatably disposed between the gear cavity one 17 and the gear cavity four 67, a gear ten 23 is spline-engaged with the rotating shaft six 24 in the gear cavity one 17, a sliding block two 22 slidably mounted with the rotating shaft six 24 is fixedly disposed on the lower side of the gear ten 23, a sliding rod one 71 symmetrical to the gear ten 23 is disposed on the lower side of the sliding block two 22, a pulley one 72 is fixedly disposed on the gear ten 23 in the pulley cavity 25, a pulley two 27 is fixedly disposed on the rotating shaft five 28 in the pulley cavity 25, a synchronous belt 26 is arranged between the second belt wheel 27 and the first sliding rod 71, a first gear 68 is fixedly arranged on the sixth rotating shaft 24 and the fifth rotating shaft 28 in the fourth gear cavity 67, a clamping block 54 which is slidably mounted with the shaft clamping box 69 is connected to the rear side of the first gear 68 in a meshing manner, a telescopic cavity 57 is arranged in the wall body close to one side of the screw tip 48 of the clamping block 54, a clamping auxiliary block 58 for auxiliary clamping is slidably arranged in the telescopic cavity 57, a second sliding rod 55 is fixedly arranged on the side, away from the screw tip 48, of the clamping auxiliary block 58, a second oil pipe 53 connected with the first sliding rod 71 is connected to the side, away from the screw tip 48, of the second sliding rod 55, a second telescopic spring 56 for resetting is arranged between the side, away from the screw tip 48, of the clamping auxiliary block 58 and the bottom wall of the telescopic cavity 57, and when the seventh gear 20 rotates, the tenth gear 23, the gear cross 23 rotates to drive the rotating shaft six 24 to rotate, the rotating shaft six 24 rotates to drive the belt wheel one 72 to rotate, the belt wheel one 72 rotates to drive the synchronous belt 26 to rotate, the synchronous belt 26 rotates to drive the belt wheel two 27 to rotate, the belt wheel two 27 rotates to drive the rotating shaft five 28 to rotate, so that the gear eleven 68 rotates to drive the clamping block 54 to move towards one side close to the screw tip 48 to clamp and fix the shaft of the damaged bearing, when the clamping auxiliary block 58 slides outwards to slide the sliding block two 22 upwards, the clamping block 54 finishes clamping and fixing the shaft of the damaged bearing when the gear seven 20 is meshed with the sliding block two 22, and the clamping and taking-out of the damaged bearing by the tightening and pulling device 903 are facilitated.

In the initial state, the first gear 31 is meshed with the fourth gear 33, the clamping auxiliary block 58 is arranged on the side, close to the screw tip 48, of the telescopic cavity 57, and the seventh gear 20 is meshed with the second sliding block 22.

When the shaft of the damaged bearing is clamped and fastened, the second motor 19 is started first, the seventh motor 19 drives the seventh gear 20 to rotate when rotating, the seventh gear 20 drives the tenth gear 23 to rotate, the tenth gear 23 drives the sixth rotating shaft 24 to rotate, the sixth rotating shaft 24 drives the first belt wheel 72 to rotate, the first belt wheel 72 drives the synchronous belt 26 to rotate, the synchronous belt 26 drives the second belt wheel 27 to rotate, the second belt wheel 27 drives the fifth rotating shaft 28 to rotate, thereby driving the gear eleven 68 to rotate, driving the clamping block 54 to move towards the side close to the screw tip 48 by the rotation of the gear eleven 68 to clamp and fix the shaft of the damaged bearing, when the clamping auxiliary block 58 slides outwards to slide the second sliding block 22 upwards, the clamping block 54 finishes clamping and fixing the shaft of the damaged bearing when the gear seven 20 is disengaged from the second sliding block 22, and the clamping and taking-out of the damaged bearing by the tightening and puller device 903 are facilitated.

When the outer side of the damaged bearing is fixedly jacked, the gear seven 20 is rotated to drive the gear ten 23 to rotate, the gear ten 23 rotates to drive the rotating shaft six 24 to rotate, the rotating shaft six 24 rotates to drive the belt wheel one 72 to rotate, the belt wheel one 72 rotates to drive the synchronous belt 26 to rotate, the synchronous belt 26 rotates to drive the belt wheel two 27 to rotate, the belt wheel two 27 rotates to drive the rotating shaft five 28 to rotate, so that the gear eleven 68 is driven to rotate, the gear eleven 68 rotates to drive the sliding fixing block 66 to move close to one side of the screw tip 48 to clamp and fix the outer side of the damaged bearing.

When a damaged bearing is taken out, firstly, when the first electromagnet 73 and the second electromagnet 75 are electrified, the second threaded sleeve 36 moves downwards to drive the first gear 31 to move downwards, the first gear 31 moves downwards to be meshed and connected with the second gear 40, the first motor 30 is started, the first motor 30 rotates to drive the first rotating shaft 39 to rotate, the first rotating shaft 39 rotates to drive the first gear 31 to rotate, the first gear 31 rotates to drive the second gear 40 to rotate, the second gear 40 rotates to drive the second rotating shaft 41 to rotate, the second rotating shaft 41 rotates to drive the third gear 42 to rotate, and the third gear 42 rotates to drive the turntable 43 to rotate, so that the pulling and grabbing hook 44 is driven to shrink to clamp the bearing; when the first electromagnet 73 and the second electromagnet 75 are not electrified, the first motor 30 is started, the first motor 30 rotates to drive the first gear 31 to rotate, the first gear 31 rotates to drive the fourth gear 33 to rotate, the fourth gear 33 rotates to drive the third rotating shaft 32 to rotate, the third rotating shaft 32 rotates to drive the first sliding block 37 to move upwards, so that the fixed disc 64 is driven to move upwards to pull out the clamped damaged bearing, and the damaged bearing is separated from the shaft.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A mechanical device for automatically removing a damaged bearing from a shaft, comprising a body, characterized in that: the machine body is internally provided with a working cavity, a sliding cavity is arranged in a side wall body on the working cavity, a bearing poking device for damaging a bearing to be taken out from a shaft is arranged in the sliding cavity in a sliding manner, the bearing poking device comprises a horse drawing box which is arranged in the sliding cavity in a sliding manner, a driving block for driving the horse drawing box to move up and down is arranged on the upper side of the horse drawing box, a first oil pipe is connected to the upper side of the driving block, the other end of the first oil pipe is connected with an oil tank for providing hydraulic oil, a driving cavity is arranged in the horse drawing box, a grabbing device for clamping and grabbing an outer ring of the gear is arranged on the left side of the driving cavity, the grabbing device comprises a first motor fixedly arranged in the side wall body on the driving cavity, a first rotating shaft is fixedly arranged on a power output shaft of the first motor, a first gear, a pivot downside rotates and is equipped with electro-magnet two, electro-magnet one with be equipped with expanding spring one between the electro-magnet two, pivot one left the drive chamber with it is equipped with pivot two to rotate between the drive chamber outside, in the drive chamber the pivot two is gone up and is set firmly gear two, two downside screw-thread engagement in pivot are connected with gear three, it is equipped with the fixed disk to slide in the side wall body under the horse box, the drive chamber right side is equipped with and is used for damaging the bearing and extracts to rotate the puller device that contracts, the working chamber downside is equipped with and damages the bearing, it is equipped with the auxiliary device who is used for placing the bearing to damage the bearing outside, it is equipped with the fixing device who is used for the chucking to damage the axle.

2. A mechanical device for the automatic extraction of damaged bearings from a shaft, according to claim 1, characterized in that: grabbing device includes the fixed disk, the pivot one right side the drive chamber with rotate between the drive chamber outside be equipped with the fixed disk zhongxing pivot three of aiming at the installation, the fixed disk downside has set firmly thread bush one, thread bush one outside screw-thread engagement is connected with the carousel, the carousel with three meshing of gear are connected, be equipped with arc guide rail arc wall in the carousel, be equipped with circular ball in the arc wall, circular ball downside is equipped with and is used for pressing from both sides the drawing of getting the damage bearing outside and grabs the couple, circular ball upside rotate install in the diapire of fixed disk downside.

3. A mechanical device for the automatic extraction of damaged bearings from a shaft, according to claim 1, characterized in that: the tightening puller device comprises a third rotating shaft, a turntable, a circular ball, a pulling hook and a fixed disc, wherein a fourth gear meshed with the first gear is fixedly arranged on the third rotating shaft in the driving cavity, a fifth gear is meshed with the third rotating shaft and is connected with the fourth gear through threads, a second threaded sleeve meshed with the third rotating shaft through threads is fixedly arranged on the lower side of the fifth gear, a first sliding block fixedly arranged on the upper side of the fixed disc is meshed with the outer side of the second threaded sleeve, a compression spring is arranged between the lower side of the fifth gear and the first sliding block, the first sliding block is slidably arranged in the fixed disc, and a shaft center used for abutting against a bearing is arranged in the wall body of the lower side of the third rotating shaft so that the pulling hook can clamp a screw tip.

4. A mechanical device for the automatic extraction of damaged bearings from a shaft, according to claim 1, characterized in that: the auxiliary device comprises a first gear cavity arranged at the lower side of the working cavity, a second gear cavity arranged at the upper side of the first gear cavity, a fixing ring arranged at the upper side of the second gear cavity, a third gear cavity arranged at the upper side of the fixing ring, a fourth rotating shaft vertically penetrating through the wall body of the second gear cavity and arranged between the third gear cavity and the first gear cavity in a rotating manner, a second motor arranged in the lower side wall body of the second gear cavity, a seventh gear meshed with a sixth gear fixedly arranged on the fourth rotating shaft and connected with the seventh gear, an eighth gear fixedly arranged on the fourth rotating shaft in the third gear cavity, an eighth gear arranged in the third gear cavity in an array by taking the screw tip as the center, a eighth gear arranged on the left side of the screw tip and a driven gear, and other rotating rings are driven gears, and chutes are arranged in the outer side wall body of the fixing ring by taking the screw tip as the center, the sliding chute is internally provided with a sliding fixed block which is in meshed connection with the eight gears in a sliding mode, the rotating shaft IV in the gear cavity II is fixedly provided with a gear nine, the gear cavity II is internally provided with a gear nine which is arranged by taking the screw tip as a central array, the gear nine which is arranged on the left side of the damaged bearing is a driving gear, the other gear nine is a driven gear, and the outer side of the gear cavity II is rotatably provided with a rotating ring which is in meshed connection with the gear nine.

5. A mechanical device for the automatic extraction of damaged bearings from a shaft, according to claim 1, characterized in that: the fixing device comprises a belt wheel cavity arranged on the upper side of the gear cavity, a shaft clamping box is fixedly arranged on the lower side wall body of the working cavity on the upper side of the belt wheel cavity, a gear cavity four with symmetrical left and right sides is arranged in the shaft clamping box, a rotating shaft five is rotatably arranged between the gear cavity four and the belt wheel cavity, a rotating shaft six is rotatably arranged between the gear cavity one and the gear cavity four, a gear ten is connected to the rotating shaft six in a spline meshing manner in the gear cavity one, a sliding block two slidably mounted with the rotating shaft six is fixedly arranged on the lower side of the gear ten, a sliding rod one with symmetrical left and right about the gear ten is arranged on the lower side of the sliding block two, a belt wheel one is fixedly arranged on the gear ten in the belt wheel cavity, a belt wheel two is fixedly arranged on the rotating shaft five in the belt wheel cavity, a synchronous belt is arranged between the belt wheel two and the sliding rod one, a gear eleven is fixedly arranged on the rotating, the rear side of the gear eleven is connected with a clamping block which is slidably mounted with the shaft clamping box in a meshed mode, the clamping block is close to a wall body on one side of the screw rod tip and is internally provided with a telescopic cavity, a clamping auxiliary block used for assisting clamping is slidably arranged in the telescopic cavity, one side, away from the screw rod tip, of the clamping auxiliary block is fixedly provided with a second sliding rod, one side, away from the screw rod tip, of the second sliding rod is connected with a second oil pipe connected with the first sliding rod, and a second telescopic spring used for resetting is arranged between one side, away from the screw rod tip, of the clamping auxiliary block and the bottom wall of.