CN218802016U

CN218802016U - Frock is dismantled to bearing inner race of being convenient for

Info

Publication number: CN218802016U
Application number: CN202223021045.6U
Authority: CN
Inventors: 娄锡军
Original assignee: Hangzhou Yuantian Tools Co ltd
Current assignee: Hangzhou Yuantian Tools Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-04-07
Anticipated expiration: 2032-11-10

Abstract

The utility model belongs to the technical field of the frock is dismantled to the bearing inner race, specifically is a frock is dismantled to bearing inner race convenient to, including the transmission base, the transmission base lower extreme is equipped with supporting mechanism, the supporting mechanism center is equipped with control mechanism, transmission base upper end is equipped with actuating mechanism, the transmission base both sides are equipped with the supporting seat, the utility model discloses, make the design modification in the aspect of adjusting through the complete dismantlement frock to the bearing, solved and correspond the problem that the frock can only be applicable to the bearing inner race that corresponds the size, the cost is reduced.

Description

Frock is dismantled to bearing inner race of being convenient for

Technical Field

The utility model belongs to the technical field of the frock is dismantled to the bearing inner race, especially, relate to a frock is dismantled to bearing inner race of being convenient for.

Background

The bearing is a standard part commonly used in the mechanical industry, and the ball bearing is the most commonly used bearing of the bearing and is generally applied to a mechanical mechanism needing to rotate; however, the bearing has a service life, and under some special working conditions, the bearing is damaged and needs to be frequently replaced, the bearing and the bearing seat are in interference fit, the outer ring is very difficult to detach when the bearing is replaced, the bearing is frequently detached in a damaged mode, and the bearing seat or a workpiece is easily damaged.

The common change of accompanying bearing frame of current mode, the change expense is higher, or demolish through abnormal mode and cause the bearing frame to damage, increase cost of labor and change expense, also there is the part to use and dismantle the frock, the completion is to the change of bearing inner race, but the unable size of adjusting of frock is dismantled to this part, thereby make detachable bearing inner race chi footpath have certain limitation, it is very inconvenient, will install two bearing inner races simultaneously in the part bearing frame, the intermittent type that exists between the bearing inner race is less, also increase not little degree of difficulty for dismantling.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome prior art not enough, provide a frock is dismantled to bearing inner race of being convenient for.

The utility model discloses a realize above-mentioned purpose, provide following technical scheme: the utility model provides a frock convenient to bearing inner race is dismantled, includes transmission base, the transmission base lower extreme is equipped with supporting mechanism, the supporting mechanism center is equipped with control mechanism, the transmission base upper end is equipped with actuating mechanism, the transmission base both sides are equipped with the supporting seat, control mechanism includes the control plate, the transmission base has seted up the third dead slot, first rotating groove has been seted up to third dead slot inner wall, the control plate rotates and sets up in first rotating groove, the first helicla flute has been seted up to the control plate, the first dead slot has been seted up in the control plate centre of a circle, first dead slot runs through there is first lead screw, first lead screw lower extreme is equipped with oval plate, the second rotating groove has been seted up in oval plate centre of a circle, the second rotating groove lower extreme has seted up the second dead slot, the second dead slot rotates and is provided with first cylinder, first cylinder upper surface and first lead screw lower extreme fixed connection, oval plate outer lane symmetry is equipped with the transmission ejector pad, the third rotating groove has been seted up to the transmission ejector pad, oval plate and third rotating groove normal running fit, the supporting mechanism sets up in transmission ejector pad outer lane.

As preferred, the supporting mechanism includes transmission plate, transmission plate symmetry sets up in transmission ejector pad outer lane, transmission plate has seted up first spout, it is provided with first spacing post to slide in the first spout, first logical groove has been seted up to first spout lateral wall, it is provided with first fixed column to slide in the first logical groove, first fixed column one end and transmission ejector pad fixed connection, first fixed column is keeping away from transmission ejector pad one end and first spacing post fixed connection, a plurality of second spouts have been seted up to transmission plate, first sliding tray has been seted up to the second spout lateral wall, first sliding tray slides and is provided with the cross bracing piece, the second logical groove has been seted up to the cross bracing piece, it is provided with first transmission post to slide in the second through groove, cross bracing piece one end and first helicla flute sliding fit are kept away from to first transmission post, first transmission post upper surface is fixed with the spacing post of second, first sliding tray one end is kept away from to the cross bracing piece and is fixed with arc support piece.

As preferred, actuating mechanism includes the drive plate, the third sliding tray has been seted up to third dead slot inner wall, the third sliding tray slides and is provided with first gag lever post, first gag lever post and first lead screw fixed connection, the fourth rotation groove has been seted up to the third dead slot, the drive plate rotates and sets up in the fourth rotation groove, first thread groove has been seted up to the drive plate, first lead screw and first thread groove screw-thread fit, drive plate upper surface is fixed with annular casing post, annular casing post upper surface is fixed with the second drive plate, second drive plate and third dead slot normal running fit, first hexagonal groove has been seted up to the second drive plate, the second thread groove has been seted up to transmission base outer lane, second thread groove screw-thread fit has first driving piece, second hexagonal groove has been seted up to first driving piece upper surface, second hexagonal groove joint has first actuating lever, first driving piece both sides are fixed with first support column.

Preferably, a semi-annular supporting plate is fixed to the upper end of the supporting seat, a first supporting groove is formed in the semi-annular supporting plate, the first supporting column is in running fit with the first supporting groove, a first supporting plate is fixed to one side of the supporting seat, second sliding grooves are formed in two sides of the transmission base, and the second sliding grooves are in sliding fit with the first supporting plate.

As preferred, first draw-in groove has been seted up to the transmission base symmetry, it is provided with the second actuating lever to slide in the first draw-in groove, first drive groove has been seted up to first draw-in groove bottom and communicates with each other with first dead slot, first drive groove slides and is provided with first transfer line, first transfer line one end and second actuating lever fixed connection, first hole groove has been seted up to oval plate symmetry, it is provided with the second transfer line to slide in the first hole groove, second actuating lever one end and second transfer line fixed connection are kept away from to first transfer line.

Preferably, one end, far away from the elliptic plate, of the transmission push block is provided with a symmetrical oblique angle, a first inclined groove is formed in the inner ring of the transmission plate, and the first inclined groove is parallel to the oblique angle inclined plane of the transmission push block.

Preferably, a plurality of second clamping grooves are formed in the inner wall of the first clamping groove, a third sliding groove is formed in the upper end of the second driving rod, a first plate is arranged in the third sliding groove in a sliding mode, and the first plate is connected with the second clamping groove in a clamping mode. The transmission base lateral wall symmetry has been seted up the fourth dead slot and has communicated with each other with first rotating groove, the control plate symmetry is fixed with the second cylinder, the second cylinder is kept away from control plate one end and has been seted up the fourth spout, the fourth spout slides and is provided with the second plate, the transmission base symmetry has been seted up the third draw-in groove, a plurality of fourth draw-in grooves have been seted up to the third draw-in groove inner wall, second plate and fourth draw-in groove joint.

To sum up, the utility model has the advantages that:

the utility model discloses a set up supporting mechanism to the symmetry sets up transmission plate with this to cross bracing piece and arc support piece's regulation, makes the bearing frock form the support to the bearing inner race of different outer lane diameters, makes the suitability of bearing frock higher, has reduced the required cost problem of different frocks of needs to different sizes.

The control mechanism is arranged on the inner ring of the supporting mechanism, so that the supporting mechanism can be more conveniently inserted, the outer ring of the bearing is not damaged, and the labor cost and the replacement cost caused by the damaged bearing seat or workpiece are reduced when the bearing is detached in a damaged mode.

The part structure of joint has additionally been added to control plate and oval plate, has avoided in the in-process of demolising at the bearing inner race, because the potential safety hazard that the not hard up of part brought.

Drawings

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

Fig. 2 is a schematic structural view of the control mechanism and the supporting mechanism of the present invention.

Fig. 3 is a sectional view of the control mechanism and the supporting mechanism of the present invention.

Fig. 4 is a partial sectional view of the supporting mechanism of the present invention.

Fig. 5 is a schematic structural diagram of the parts of the supporting mechanism of the present invention.

Fig. 6 is a partial view of the driving mechanism of the present invention.

Fig. 7 is a schematic view of the structure of the components between the first driving member and the transmission base according to the present invention.

Fig. 8 is a sectional view of the present invention.

Fig. 9 is a schematic structural diagram of the outer ring part of the transmission base of the present invention.

Fig. 10 is a partial view of the outer ring of the transmission base of the present invention.

Fig. 11 is a view of the outer ring parts of the control plate of the present invention.

Detailed Description

In order to make the technical field personnel understand the utility model discloses the scheme, will combine the drawing in the embodiment of the utility model below, to the technical scheme in the embodiment of the utility model carries out clear, complete description.

Referring to fig. 1-3, a frock is convenient for bearing inner race dismantles, including transmission base 1, transmission base 1 lower extreme is equipped with supporting mechanism 2, supporting mechanism 2 center is equipped with control mechanism 3, control mechanism 3 includes control plate 6, transmission base 1 has seted up third dead slot 7, first rotating groove 8 has been seted up to third dead slot 7 inner wall, control plate 6 rotates and sets up in first rotating groove 8, first helicla flute 9 has been seted up to control plate 6, the setting of first helicla flute 9, make first transmission post 27 can be synchronous to the all around motion, reach synchronous effect for arc support piece 29 supports the bearing inner race, reach and support more stable effect.

Referring to fig. 1-3, a first empty slot 10 is formed in the center of the control plate 6, the first empty slot 10 is formed in the center of the control plate 6, so that the up-and-down movement of the first lead screw 11 does not affect the oval plate 12, the first lead screw 11 penetrates through the first empty slot 10, the oval plate 12 is arranged at the lower end of the first lead screw 11, a second rotating slot 13 is formed in the center of the oval plate 12, a second empty slot 14 is formed at the lower end of the second rotating slot 13, a first cylinder 15 is rotatably arranged in the second empty slot 14, the upper surface of the first cylinder 15 is fixedly connected with the lower end of the first lead screw 11, transmission push blocks 16 are symmetrically arranged on the outer ring of the oval plate 12, the purpose of pushing the transmission push blocks 16 being pushed outwards is achieved through the matching between the oval plate 12 and the transmission push blocks 16, third rotating slots 17 are formed in the transmission push blocks 16, the oval plate 12 is rotatably matched with the third rotating slots 17, and the supporting mechanism 2 is arranged on the outer ring of the transmission push blocks 16.

Referring to fig. 2-5, the supporting mechanism 2 includes a transmission plate 18, the transmission plate 18 is symmetrically disposed on an outer ring of the transmission push block 16, the transmission plate 18 has a first sliding groove 19, a first limit post 20 is slidably disposed in the first sliding groove 19, the first limit post 20 is disposed to prevent the transmission plate 18 from deviating and disengaging during multiple uses, a first through groove 21 is disposed on a side wall of the first sliding groove 19, a first fixing column 22 is slidably disposed in the first through groove 21, one end of the first fixing column 22 is fixedly connected to the transmission push block 16, the first fixing column 22 is fixedly connected to the first limit post 20 at a position far end from the transmission push block 16, the transmission plate 18 has a plurality of second sliding grooves 23, a first sliding groove 24 is disposed on a side wall of the second sliding groove 23, the first sliding groove 24 is slidably disposed with a cross-shaped supporting rod 25, the cross-shaped supporting rod 25 has a certain supporting force with two sides on the basis of completing sliding, the slippage of the cross-shaped supporting rod 25 is avoided, a second through groove 26 is disposed on the second sliding groove 26, the first transmission column 27, one end of the first transmission column 27 is away from the first sliding groove 9, the arc-shaped supporting rod 27, the arc-shaped supporting rod is in contact with the arc-shaped supporting rod 27, the arc-shaped supporting mechanism, the arc-shaped supporting rod outer ring 29, the arc-shaped supporting mechanism, the arc-shaped supporting rod is beneficial for increasing the area of the arc-shaped supporting mechanism, the arc-shaped supporting rod, and the arc-shaped supporting mechanism, and the arc-shaped supporting rod, the arc-shaped supporting mechanism.

Referring to fig. 6-8, a driving mechanism 4 is disposed at an upper end of the transmission base 1, the driving mechanism 4 includes a driving plate 30, a third sliding groove 31 is disposed on an inner wall of the third hollow groove 7, a first limiting rod 32 is slidably disposed on the third sliding groove 31, the first limiting rod 32 is disposed to facilitate limiting of the first lead screw 11, the first lead screw 11 only moves up and down and does not rotate, the first limiting rod 32 is fixedly connected with the first lead screw 11, a fourth rotating groove 33 is disposed on the third hollow groove 7, the driving plate 30 is rotatably disposed in the fourth rotating groove 33, the driving plate 30 is disposed with a first thread groove 34, the first thread groove 34 is disposed to convert a rotating force generated by the driving plate 30 into a force for moving the first lead screw 11 in a vertical direction,

first lead screw

11 and 34 screw-thread fit of first thread groove, drive plate 30 upper surface is fixed with annular cover post 35, the existence of annular cover post 35 provides certain space for first lead screw 11's motion, the storage of the first lead screw 11 upper end of being convenient for, annular cover post 35 upper surface is fixed with second driving plate 36, second driving plate 36 and third dead slot 7 normal running fit, first hexagonal groove 37 has been seted up to second driving plate 36, second thread groove 38 has been seted up to transmission base 1 outer lane, second thread groove 38 screw-thread fit has first driving piece 39, second hexagonal groove 40 has been seted up to first driving piece 39 upper surface, second hexagonal groove 40 joint has first actuating lever 41, first driving piece 39 both sides are fixed with first support column 42.

Referring to fig. 9-11, two sides of the transmission base 1 are provided with a support seat 5, a semi-annular support plate 43 is fixed at the upper end of the support seat 5, the semi-annular support plate 43 is provided with a first support groove 44, the first support groove 44 is arranged to form a supporting force for the first driving member 39, the first driving member 39 which should be lowered supports the transmission base 1 to be convenient to ascend, the first support column 42 is in running fit with the first support groove 44, a first support plate 45 is fixed at one side of the support seat 5, two sides of the transmission base 1 are provided with second sliding grooves 46, the second sliding grooves 46 are in sliding fit with the first support plate 45, the first support plate 45 is in fit with the second sliding grooves 46, so that the transmission base 1 can only move up and down, and cannot rotate, and the implementation of the guaranteeing force is achieved.

Referring to fig. 9-11, the transmission base 1 is symmetrically provided with first slots 47, the first slots 47 are disposed to provide a movement space for an external force, and the external force is transmitted to the inside of the transmission base 1 through transmission of the slot members, the first slots 47 are slidably provided with second driving rods 48, the bottom ends of the first slots 47 are provided with first transmission slots 49 and communicated with the first empty slots 10, the first transmission slots 49 are slidably provided with first transmission rods 50, one ends of the first transmission rods 50 are fixedly connected with the second driving rods 48, the elliptical plates 12 are symmetrically provided with first hole slots 51, the shapes and the arrangement of the first hole slots 51 push the elliptical plates 12 to move instead of rotating, the second transmission rods 52 are slidably disposed in the first hole slots 51, and one ends of the first transmission rods 50 far away from the second driving rods 48 are fixedly connected with the second transmission rods 52.

Referring to fig. 4, one end of the transmission pushing block 16 away from the elliptical plate 12 is a symmetrical bevel, a first inclined groove 53 is formed in an inner ring of the transmission plate 18, and the first inclined groove 53 is parallel to the bevel of the transmission pushing block 16.

Referring to fig. 9-11, a plurality of second engaging grooves 54 are formed on an inner wall of the first engaging groove 47, the second engaging grooves 54 are configured to limit movement of the first plate 56, so as to provide a guarantee for stability of subsequent components, a third sliding groove 55 is formed at an upper end of the second driving rod 48, the first plate 56 is slidably disposed in the third sliding groove 55, and the first plate 56 is engaged with the second engaging grooves 54. Fourth dead slot 57 has been seted up to transmission base 1 lateral wall symmetry and has communicated with each other with first rotating groove 8, and control plate 6 symmetry is fixed with second cylinder 58, and second cylinder 58 is kept away from 6 one end of control plate and has been seted up fourth spout 59, and fourth spout 59 slides and is provided with second plate 60, and transmission base 1 symmetry has seted up third draw-in groove 61, and a plurality of fourth draw-in grooves 62 have been seted up to third draw-in groove 61 inner wall, and second plate 60 and fourth draw-in groove 62 joint.

The utility model discloses a concrete theory of operation and use flow:

the transmission base 1 is placed on a bearing outer ring required to be detached, the first transmission column 27 extends into the inner diameter of the bearing outer ring required to be detached, the first driving rod 41 is clamped in the first hexagonal groove 37, the first driving rod 41 is rotated, the first driving rod 41 rotates to drive the second driving plate 36 to rotate, the second driving plate 36 rotates to drive the annular sleeve column 35 to rotate, the annular sleeve column 35 rotates to drive the driving plate 30 to rotate, the driving plate 30 rotates to drive the first lead screw 11 in threaded fit with the driving plate to move downwards, the first lead screw 11 moves downwards to drive the first cylinder 15 to move downwards, the first cylinder 15 moves downwards to drive the oval plate 12 to move downwards, the oval plate 12 moves downwards, the transmission push block 16 moves downwards to drive the transmission plate 18 to move downwards, the transmission plate 18 moves downwards to drive the cross-shaped support rod 25 to move downwards, and the cross-shaped support rod 25 moves downwards to drive the arc-shaped support member 29 to move downwards.

Move arc support 29 to the required bearing inner race central axis parallel and level of dismantling when, take out the second plate 60 of both sides from fourth draw-in groove 62 and promote second plate 60, second plate 60 promotes and drives the motion of second cylinder 58, second cylinder 58 motion drives control plate 6 and rotates, control plate 6 drives the first transmission post 27 of first helicla flute 9 to move outwards when rotating, first transmission post 27 moves and drives cross bracing piece 25 to move outwards, cross bracing piece 25 moves outwards and drives arc support 29 to move outwards and contact with the internal diameter of shaft outer lane, peg graft second plate 60 in corresponding fourth draw-in groove 62 after accomplishing the regulation, avoid the rotation of control plate 6.

After the adjustment of the control plate 6 is completed, the first plate 56 is pulled out of the second clamping groove 54 and pushes the first plate 56, the first plate 56 moves to drive the second driving rod 48 to move, the second driving rod 48 moves to drive the first driving rod 50 to move, the first driving rod 50 moves to drive the second driving rod 52 to move, the second driving rod 52 moves to drive the oval plate 12 to rotate in the third rotating groove 17, when the oval plate 12 rotates to the long radius area in the third rotating groove 17, the driving pushing block 16 is driven to move outwards, the driving pushing block 16 moves to drive the driving plate 18 to move symmetrically to two sides, the driving plate 18 moves to drive the symmetrical cross-shaped supporting rods 25 to move, the cross-shaped supporting rods 25 move to drive the arc-shaped supporting members 29 to move until the support of the outer ring of the bearing to be detached is completed, and after the adjustment is completed, the first plate 56 is inserted into the corresponding second clamping groove 54 to complete the fixation.

After the preparation, the supporting seat 5 is placed on the outer ring of the transmission base 1, the insertion between the first supporting plate 45 and the second sliding groove 46 is completed, the placing of the supporting seat 5 enables the semi-annular supporting plate 43 to be tightly attached to the outer ring of the transmission base 1, the first driving piece 39 is in threaded fit, the outer ring of the transmission base 1 is sleeved with the first driving piece 41, the first driving piece 41 is inserted into the second hexagonal groove 40 and rotates the first driving piece 41, the first driving piece 39 rotates and descends to the position of the first supporting groove 44 of the semi-annular supporting plate 43, the first driving piece 41 continues to rotate, the first driving piece 41 drives the first driving piece 39 to continue to rotate, at the moment, the first driving piece 39 cannot descend, the transmission base 1 is driven to ascend step by step, the transmission base 1 is ensured to move up and down and rotate, the transmission base 1 ascends step by step to drive the supporting mechanism 2 and the control mechanism 3 to ascend, the supporting mechanism 2 integrally ascends to drive the outer ring of the bearing to complete the detachment.

Claims

1. The tool convenient for disassembling the bearing outer ring is characterized by comprising a transmission base (1), wherein a supporting mechanism (2) is arranged at the lower end of the transmission base (1), a control mechanism (3) is arranged at the center of the supporting mechanism (2), a driving mechanism (4) is arranged at the upper end of the transmission base (1), supporting seats (5) are arranged on two sides of the transmission base (1), the control mechanism (3) comprises a control plate (6), a third empty groove (7) is formed in the transmission base (1), a first rotating groove (8) is formed in the inner wall of the third empty groove (7), the control plate (6) is rotatably arranged in the first rotating groove (8), a first spiral groove (9) is formed in the control plate (6), a first empty groove (10) is formed in the center of the circle of the control plate (6), a first lead screw (11) penetrates through the first empty groove (10), an elliptic plate (12) is arranged at the lower end of the first lead screw (11), a second rotating groove (13) is formed in the center of the second rotating groove (13), a second empty groove (14) is symmetrically arranged at the lower end of the second cylindrical lead screw (15), and a cylindrical plate (16) is symmetrically connected with a first cylindrical driving block (15), the third rotating groove (17) is formed in the transmission pushing block (16), the oval plate (12) is in running fit with the third rotating groove (17), and the supporting mechanism (2) is arranged on the outer ring of the transmission pushing block (16).

2. The tool convenient for disassembling the bearing outer ring is characterized in that the supporting mechanism (2) comprises a transmission plate (18), the transmission plate (18) is symmetrically arranged on the outer ring of the transmission push block (16), the transmission plate (18) is provided with a first sliding chute (19), a first limit post (20) is arranged in the first sliding chute (19) in a sliding manner, a first through groove (21) is formed in the side wall of the first sliding chute (19), a first fixed post (22) is arranged in the first through groove (21) in a sliding manner, one end of the first fixed post (22) is fixedly connected with the transmission push block (16), one end of the first fixed post (22) far away from the transmission push block (16) is fixedly connected with the first limit post (20), the transmission plate (18) is provided with a plurality of second sliding chutes (23), a first sliding groove (24) is formed in the side wall of the second sliding chute (23), the first sliding groove (24) is provided with a cross-shaped supporting rod (25) in a sliding manner, the cross-shaped supporting rod (25) is provided with a second through groove (26), one end of the first transmission post is provided with a sliding groove (27), and one end of the first transmission push block (9) far away from the first transmission push block (27) is matched with the first transmission limit post (27), an arc-shaped supporting piece (29) is fixed at one end of the cross-shaped supporting rod (25) far away from the first sliding groove (24).

3. The tool convenient for dismounting the outer ring of the bearing, according to claim 1, wherein the driving mechanism (4) includes a driving plate (30), a third sliding groove (31) is formed in an inner wall of the third hollow groove (7), the third sliding groove (31) is slidably provided with a first limiting rod (32), the first limiting rod (32) is fixedly connected with the first lead screw (11), a fourth rotating groove (33) is formed in the third hollow groove (7), the driving plate (30) is rotatably provided in the fourth rotating groove (33), the driving plate (30) is provided with a first thread groove (34), the first lead screw (11) is in threaded fit with the first thread groove (34), an annular sleeve column (35) is fixed on an upper surface of the driving plate (30), a second driving plate (36) is fixed on an upper surface of the annular sleeve column (35), the second driving plate (36) is in rotational fit with the third hollow groove (7), a first driving plate (36) is provided with a sixth driving groove (37), a second base (1) is provided with a sixth angle groove (38), a first driving piece (39) is clamped and a second driving piece (40) is provided with a second angle groove (41), and first supporting columns (42) are fixed on two sides of the first driving piece (39).

4. The tool convenient to disassemble the bearing outer ring according to claim 3, wherein a semi-annular supporting plate (43) is fixed at the upper end of the supporting seat (5), a first supporting groove (44) is formed in the semi-annular supporting plate (43), the first supporting column (42) is in running fit with the first supporting groove (44), a first supporting plate member (45) is fixed on one side of the supporting seat (5), second sliding grooves (46) are formed in two sides of the transmission base (1), and the second sliding grooves (46) are in sliding fit with the first supporting plate member (45).

5. The tool convenient to disassemble for the bearing outer ring is characterized in that a first clamping groove (47) is symmetrically formed in the transmission base (1), a second driving rod (48) is arranged in the first clamping groove (47) in a sliding mode, a first transmission groove (49) is formed in the bottom end of the first clamping groove (47) and is communicated with the first empty groove (10), a first transmission rod (50) is arranged in the first transmission groove (49) in a sliding mode, one end of the first transmission rod (50) is fixedly connected with the second driving rod (48), a first hole groove (51) is symmetrically formed in the oval plate (12), a second transmission rod (52) is arranged in the first hole groove (51) in a sliding mode, and one end, far away from the second driving rod (48), of the first transmission rod (50) is fixedly connected with the second transmission rod (52).

6. The tool convenient for dismounting an outer ring of a bearing according to claim 2, wherein one end of the transmission push block (16) far away from the oval plate (12) is provided with symmetrical oblique angles, an inner ring of the transmission plate (18) is provided with a first oblique groove (53), and the first oblique groove (53) is parallel to the oblique angle oblique plane of the transmission push block (16).

7. The tool convenient to disassemble the bearing outer ring according to claim 5, wherein a plurality of second clamping grooves (54) are formed in the inner wall of the first clamping groove (47), a third sliding groove (55) is formed in the upper end of the second driving rod (48), a first plate (56) is arranged in the third sliding groove (55) in a sliding mode, and the first plate (56) is clamped with the second clamping grooves (54).

8. The tool convenient to disassemble the bearing outer ring according to claim 1, wherein fourth empty grooves (57) are symmetrically formed in the side wall of the transmission base (1) and are communicated with the first rotating groove (8), second cylinders (58) are symmetrically fixed on the control plate (6), a fourth sliding groove (59) is formed in one end, away from the control plate (6), of each second cylinder (58), a second plate (60) is slidably arranged on each fourth sliding groove (59), third clamping grooves (61) are symmetrically formed in the transmission base (1), a plurality of fourth clamping grooves (62) are formed in the inner wall of each third clamping groove (61), and the second plates (60) are clamped with the fourth clamping grooves (62).