CN209774535U - Bearing dismounting device - Google Patents

Abstract

The utility model provides a bearing dismounting device, which comprises a main rod, wherein a clamping sleeve is sleeved at the middle position of the main rod, the clamping sleeve is annular and is sleeved on the main rod and can slide up and down, the lower end of the clamping sleeve is movably connected with clamping legs and three groups of the clamping legs, the lower end of the clamping leg is movably provided with a fixed head through a movable shaft, a clamping pin is arranged on the movable shaft to limit the moving range of the fixed head, the bottom end of the main rod is fixedly provided with a clamping head, the middle position of the main rod is fixedly provided with a conical sleeve, the bearing dismounting device has reasonable and novel design and simple operation, the clamping pin can be inserted into a clamping groove by fixedly installing the clamping rod at the left side of the pressing rod after the bearing is fixed by the whole device, the clamping pin is inserted into the clamping groove with proper height, the pressing rod can be pried upwards by the pressing rod, the clamping sleeve can be pressed downwards by, the bearing can be easily disassembled.

Description

Bearing dismounting device

Technical Field

The utility model relates to a mechanical disassembly field, in particular to bearing dismounting device.

background

Generally, the bearings are fixed to the shaft by interference fit, but sometimes require removal from the shaft by a method involving tapping the bearings slowly with a hammer on a metal bar, but this method is inefficient, inconvenient to remove, and can damage the bearings during the tapping process. A bearing dismounting device that current patent CN 208163530U mentioned, through adding flexible post, flexible post can flexible function, make the device can adapt to the dismantlement of not unidimensional bearing, go deep into the length in the first sleeve through changing flexible post, and then realize the dismantlement of not unidimensional bearing, the setting up of spring makes flexible post can support tightly epaxial at the installation bearing automatically, guarantee the laminating of flexible post and bearing inner race, adjusting nut's setting, make the device when the pulling bearing, flexible post can not remove to the direction of keeping away from first sleeve, and then avoided flexible post to collapse the problem of opening at the pulling in-process, the stability of dismantlement process has been guaranteed. However, the device is cumbersome to use and cannot be used to disassemble the bearings of complex equipment. To this end, we propose a bearing dismounting device.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a bearing dismounting device has solved the complicated and hard problem of current dismantlement.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a bearing dismounting device comprises a main rod, a jacket is sleeved at the middle position of the main rod and is annular and sleeved on the main rod and can slide up and down, the lower end of the jacket is movably connected with three groups of clamping legs, the lower ends of the clamping legs are movably provided with fixed heads through movable shafts, the movable shafts are provided with clamping pins to limit the movable range of the fixed heads, the bottom end of the main rod is fixedly provided with a chuck, the middle position of the main rod is fixedly provided with a conical sleeve, a bottom ring is fixedly arranged at the bottom of the chuck, ring shafts are respectively and fixedly arranged at two sides of the bottom ring, the upper end of each ring shaft is connected with a side wall in an inclined and upward manner, the bottom end of each side wall is movably connected with the bottom ring through the ring shaft, the spring hole has been seted up on the mobile jib bottom, and the downthehole perpendicular fixed mounting of spring has the spring, the spring other end and spring housing fixed connection, draw-in groove and draw-in groove have the multiunit have been seted up on mobile jib upper end right side.

Preferably, the end with the small diameter of the conical sleeve faces upwards, and the end with the large diameter faces downwards.

Preferably, the notch cuttype keeps away the dead slot in pressing from both sides the inside notch cuttype that has seted up of cover, keep away the inside horizontal fixed mounting of dead slot there are three groups of fixed axle and fixed axle, and fixed axle swing joint is passed through inside pressing from both sides the cover at three group's press from both sides leg tops, and the press from both sides leg top is the installation of tilting toper cover of laminating upwards, keep away the dead slot top and seted up the bayonet socket.

Preferably, the spring sleeve is fixedly installed at the top end inside the side wall, and the abutting plate is fixedly installed at the top of the side wall.

preferably, the upper end of the right side of the jacket is vertically and fixedly provided with a shaft sleeve.

Preferably, a pressure lever is arranged on the shaft sleeve and transversely to the shaft lever, and a bayonet lock is fixedly arranged on the left side of the pressure lever and can be inserted into the bayonet lock.

(III) advantageous effects

The utility model provides a bearing dismounting device. The method has the following beneficial effects:

(1) This bearing dismounting device, through adding the dop, the dop is used for fixed inner ring that will dismantle the bearing, and the mobile jib drives toper cover rebound, and toper cover can extrude the press from both sides leg and make it be lever motion, and the press from both sides leg passes through the fixed axle rotation, and the outside expansion in top can drive the fixed head and inwards shrink, when contracting a certain position, reaches the preliminary fixed effect of equipment that will dismantle the bearing.

(2) This bearing dismounting device, through adding the depression bar, depression bar left side fixed mounting bayonet lock, the bayonet lock can be pegged graft in the draw-in groove, fixes the back with the bearing at whole equipment, inserts highly suitable draw-in groove with the bayonet lock in, presses down the depression bar, and the depression bar can make progress a prying with the mobile jib, and the reverse effort of axle sleeve will press from both sides the cover and downwards press from both sides, presss from both sides the cover and can fix equipment with the further inward contraction of press from both sides the leg, and the bearing just can easily the effect of getting off by the dismantlement of some.

Drawings

fig. 1 is a schematic view of the overall structure of the bearing dismounting device of the present invention;

Fig. 2 is a sectional view of the jacket of the dismounting device of the present invention;

Figure 3 is a cross-sectional view of the replacement chuck of the present invention;

Fig. 4 is a detailed schematic view of the dismounting device bayonet lock of the present invention;

Fig. 5 is a top view of the fixing shaft of the detaching device of the present invention.

In the figure: the device comprises a main rod 1, a jacket 2, clamping legs 3, a fixing head 4, a movable shaft 5, a clamping head 6, a conical sleeve 7, a fixing shaft 8, a clearance groove 9, a bayonet 10, a bottom ring 11, a side wall 12, a ring shaft 13, a spring sleeve 14, a pressing plate 15, a spring 16, a clamping groove 17, a shaft sleeve 18, a clamping pin 19 and a pressing rod 20.

Detailed Description

in order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-5, a bearing dismounting device comprises a main rod 1, a jacket 2 is sleeved at the middle position of the main rod 1, the jacket 2 is annular, the jacket 3 is sleeved on the main rod 1 and can slide up and down, the lower end of the jacket 2 is movably connected with clamping legs 3, three groups of clamping legs 3 are provided, the lower end of each clamping leg 3 is movably provided with a fixed head 4, the fixed head 4 is cylindrical and vertically installed downwards, the top end of the fixed head 4 is movably connected with the clamping legs 3 through a movable shaft 5, the movable shaft 5 is inserted in one end of each clamping leg 3 and the fixed head 4, the movable shaft 5 is in a parallel state, the movable shaft 5 is oval, the long shaft part of the oval shape can limit the movable range of the fixed head 4 when the fixed head 4 rotates through the movable shaft 5, the fixed head 4 can only slightly shake, the movable shaft 5 can protect the fixed head 4 from being damaged due to strong clamping force and play, the bottom end of the main rod 1 is fixedly provided with a clamping head 6, the clamping head 6 is used for fixing an inner ring to be disassembled from a bearing, the middle position of the main rod 1 is fixedly provided with a conical sleeve 7, the conical sleeve 7 is sleeved at the excircle of the main rod 1, one end with small diameter of the conical sleeve 7 faces downwards, a stepped clearance groove 9 is formed in the jacket 2, the clearance groove 9 can provide space for the movement of the clamping legs 3, the inside of the clearance groove 9 is transversely and fixedly provided with three groups of fixed shafts 8, the three groups of fixed shafts 8 (shown in the figure five) are uniformly distributed and parallelly arranged in the jacket 2, the tops of the three groups of clamping legs 3 are movably connected in the jacket 2 through the fixed shafts 8, the tops of the clamping legs 3 are obliquely upwards attached to the conical sleeve 7 and are installed, the main rod 1 drives the conical sleeve 7 to upwards move, the conical sleeve 7 can extrude the clamping legs 3 to make the clamping, the top end expands outwards to drive the fixing head 4 to contract inwards, the fixing head can be fixed preliminarily when the fixing head contracts to a certain position, the top of the clearance groove 9 is provided with a bayonet 10, the bayonet 10 is circular and is distributed at the bottom of the jacket 2, the top of the clamping leg 3 can contact and impact with the bottom of the jacket 2 for a long time in use, the bottom of the jacket 2 can be ground into a deep groove by using the top of the clamping leg 3 for a long time, the clamping leg 3 can not contact with the jacket 2 by the bayonet 10, so that the clamping leg 10 can protect the jacket 2 and prevent long-time abrasion from influencing the service life of the jacket 2, the bottom of the chuck 6 is fixedly provided with a bottom ring 11, the bottom ring 11 is a circular attaching chuck 6, two sides of the bottom ring 11 are respectively and fixedly provided with a ring shaft 13, the upper end of the ring shaft 13 is connected with a side wall 12 in an inclined and upward manner, and the, the top end of the inside of the side wall 12 is fixedly provided with a spring sleeve 14, the top of the side wall 12 is fixedly provided with a support plate 15, the middle position of the inside of the main chuck 6 is provided with a spring hole which is a blind hole and is provided with a bottle in parallel and outwards, the inside of the spring hole is vertically and fixedly provided with a spring 16, the other end of the spring 16 is fixedly connected with the spring sleeve 14, when the main chuck is used, the chuck 6 at the bottom of the main rod 1 is aligned to the inside of a bearing to be disassembled, the main rod 1 is extruded downwards, the side wall 12 of the chuck 6 can contract inwards under extrusion, when the whole chuck 6 passes through an inner ring of the bearing, the spring 16 can rebound to restore the side wall 12 to an initial position, when the main rod 1 is pulled upwards, the support plate 15 can fix the inner ring of the bearing, the support plate 15 is clamped at the lower side of the inner ring of the bearing, the support plate 15 is a conical, annular clamping groove 17 and draw-in groove 17 have the multiunit have been seted up on 1 upper end right side of mobile jib, the perpendicular fixed mounting in the right side upper end of clamp cover 2 has axle sleeve 18, cross bearing installs depression bar 20 on the axle sleeve 18, depression bar 20 left side fixed mounting has bayonet lock 19, and bayonet lock 19 can be pegged graft in draw-in groove 17. After whole equipment is tentatively fixed the bearing, insert highly suitable draw-in groove 17 with bayonet lock 19 in, press depression bar 20, depression bar 20 can make progress one with mobile jib 1 and prize, and axle sleeve 18 reverse effort will press from both sides cover 2 and press downwards, presss from both sides cover 2 and can fix equipment with the further internal contraction of press from both sides leg 3, and the bearing just can easily be got off by dismantling of some.

The working principle is as follows: when the device is used, the clamping legs 3 are sleeved on the device to be disassembled, the clamping sleeve 2 is sleeved on the main rod 1 and can slide up and down, the lower end of the clamping sleeve 2 is movably connected with the clamping legs 3, the lower end of the clamping legs 3 is movably installed with the fixed head 4 through the movable shaft 5, the movable shaft 5 is provided with the clamping pin for limiting the movable range of the fixed head 4, the fixed head 4 can only slightly shake within ten degrees, the movable shaft 5 can protect the fixed head 4 from being damaged due to strong clamping force and play a certain role in buffering, the bottom end of the main rod 1 is fixedly provided with the clamping head 6, the clamping head 6 is used for fixing the inner ring of the bearing to be disassembled, the main rod 1 drives the conical sleeve 7 to move upwards, the conical sleeve 7 can extrude the clamping legs 3 to do lever motion, the clamping legs 3 rotate through the fixed shaft 8, the top end expands outwards to drive the fixed head 4 to contract inwards, and the device to, inside aiming at the bearing that needs the dismantlement with mobile jib 1 bottom, with mobile jib 1 extrusion downwards, lateral wall 12 can be at the inside shrink of extrusion, and spring 16 can rebound and resume initial position with lateral wall 12 when the whole inner ring that passes through the bearing of dop 6, supports board 15 and can fix the bearing inner ring when upwards dragging mobile jib 1, pulls out equipment with the bearing.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (4)

1. The utility model provides a bearing dismounting device, includes mobile jib (1), its characterized in that: the middle of the main rod (1) is sleeved with a jacket (2), the lower end of the jacket (2) is movably connected with three groups of clamping legs (3), and the three groups of clamping legs (3) are arranged;

The bottom end of the main rod (1) is fixedly provided with a clamping head (6), the bottom of the clamping head (6) is fixedly provided with a bottom ring (11), two sides of the bottom ring (11) are respectively and fixedly provided with a ring shaft (13), the upper end of the ring shaft (13) is obliquely and upwards connected with a side wall (12), the top end of the inner part of the side wall (12) is fixedly provided with a spring sleeve (14), the bottom of the main rod (1) is provided with a spring hole, the inner part of the spring hole is vertically and fixedly provided with a spring (16), and the top of the side wall (12) is fixedly provided;

Draw-in groove (17) and draw-in groove (17) have the multiunit have been seted up on mobile jib (1) upper end right side, the perpendicular fixed mounting in cover (2) right side upper end has axle sleeve (18), horizontal axostylus axostyle is installed depression bar (20) on axle sleeve (18), depression bar (20) left side fixed mounting has bayonet lock (19) and bayonet lock (19) can peg graft in draw-in groove (17).

2. A bearing removing device according to claim 1, wherein: the utility model discloses a ladder type escape device, including mobile jib (1), cover (2), fixed shaft (8) and fixed shaft (8), fixed shaft (3) top is fixed shaft (8) swing joint inside pressing from both sides cover (2), and clamping leg (3) top is the installation of tilting toper cover (7) of upwards laminating.

3. a bearing removing device according to claim 2, wherein: the top of the clearance groove (9) is provided with a bayonet (10).

4. a bearing removing device according to claim 1, wherein: the lower ends of the clamping legs (3) are movably provided with fixed heads (4) through movable shafts (5).