CN214446030U - Dismounting device suitable for bearing inner race - Google Patents

Abstract

The utility model discloses a dismounting device suitable for bearing inner race, including lower retaining ring, relative last retaining ring, the locating that lower retaining ring set up the retaining ring with go up a plurality of bearing filler blocks between the retaining ring and carry the pull rod, carry the pull rod and run through downwards in proper order go up retaining ring, a plurality of bearing filler blocks with the retaining ring sets up down, wherein it is inserting to carry the pull rod the part of retaining ring is connected with and pushes away the piece down, it can drive to carry the pull rod push away the piece and push a plurality of simultaneously the bearing filler block, so that a plurality of the outer peripheral edges card of bearing filler block goes into to the inner arc groove of bearing inner race. The utility model discloses the during operation can be through carrying the pulling drive to the lifting rod, can dismantle out on the bearing housing bolster bearing housing to this user demand of dismantling on the bearing housing bolster bearing housing of realization, convenient operation avoids demolising the destructiveness of bearing housing.

Description

Dismounting device suitable for bearing inner race

Technical Field

The utility model belongs to the technical field of the extracting tool is relevant, especially relate to a dismounting device suitable for bearing inner race.

Background

The bearing is a common supporting mechanical rotating body in mechanical equipment. At present, when a deep groove ball bearing is used, a retainer is damaged when the bearing is damaged, a rolling body and an inner ring fall off, and a bearing outer ring is left in a bearing seat. The edge of bearing inner race is very difficult to catch with ordinary instrument, causes to dismantle the bearing inner race difficulty, and the outer lane need the destructiveness demolish bearing inner race when the outer lane cooperates closely with the bearing frame, wastes time and energy.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a dismounting device suitable for a bearing outer ring, which solves the technical problems in the prior art.

The utility model provides a dismounting device suitable for bearing inner race, includes lower retaining ring, relative last retaining ring that lower retaining ring set up, locate down the retaining ring with go up a plurality of bearing filler blocks between the retaining ring and carry the pull rod, carry the pull rod and run through downwards in proper order go up retaining ring, a plurality of bearing filler block with the retaining ring sets up down, wherein carry the pull rod insert extremely the part of retaining ring is connected with the extrusion piece down, carry the pull rod and can drive the extrusion piece pushes a plurality of simultaneously the bearing filler block, so that it is a plurality of the outer peripheral edges card of bearing filler block goes into to the inner arc groove of bearing inner race.

As the utility model discloses a preferred scheme, the outer peripheral face of pushing the piece is established to the conical surface, and is a plurality of the bearing filler block cooperation is formed with the centre bore, push the piece upwards can the part insert to the centre bore, use push the conical surface of piece and push a plurality of the bearing filler block opens.

In a preferred embodiment of the present invention, the inner peripheral surface of the bearing pad is a tapered surface fitting surface that is matched with the tapered surface of the pushing block.

As a preferable aspect of the present invention, the number of the bearing pads is two, three, or four.

As a preferred embodiment of the present invention, each of the outer peripheral surfaces of the bearing lining blocks is formed as an arc surface that matches the inner arc groove in the bearing outer ring.

As the utility model discloses an optimized scheme, carry the pull rod and establish to the lead screw, the lead screw is locating the spiro union has lock nut on the part of last retaining ring top, lock nut can support press on last retaining ring, with incite somebody to action it is spacing at the polylith to go up the retaining ring on the bearing filler block.

As the utility model discloses a preferred scheme, dismounting device still includes the backup pad, the spiro union has many driving screw in the backup pad, every driving screw passes a side end of backup pad can support and lean on the bearing frame, in order to drive the backup pad is towards keeping away from the direction of bearing inner race moves.

As the utility model discloses a preferred scheme, the lead screw runs through the backup pad sets up, wherein the lead screw stretches out the spiro union has stop nut on the part of backup pad, stop nut can restrict the backup pad upwards breaks away from the lead screw.

As the preferred scheme of the utility model, the quantity of drive screw is two, two drive screw symmetrically divides the residence in the both sides of backup pad.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

the utility model provides a dismounting device suitable for bearing inner race utilizes the crowded mode that rises to a plurality of bearing filler blocks of pushing away on the lifting rod, realizes a plurality of bearing filler blocks and bearing inner race joint for the dismounting device during operation can be through carrying the drive to lifting rod, can dismantle out on bearing inner race bolster bearing housing, with this realization to the user demand of dismantling on the bearing inner race bolster bearing housing, convenient operation avoids demolising the destructiveness of bearing inner race.

Drawings

Fig. 1 is a schematic structural diagram of a dismounting device suitable for a bearing outer ring according to an embodiment of the present invention during operation.

Wherein, 10, lower retainer ring; 20. an upper retainer ring; 30. a bearing pad block; 40. lifting a pull rod; 41. pushing the block; 411. a conical surface; 42. locking the nut; 43. a limit nut; 50. a support plate; 51. a drive screw; 200. a bearing outer race; 201. and a bearing seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1, a dismounting device for a bearing outer ring according to an embodiment of the present invention includes a lower retainer ring 10, an upper retainer ring 20 disposed opposite to the lower retainer ring 10, a plurality of bearing filler blocks 30 disposed between the lower retainer ring 10 and the upper retainer ring 20, and a lifting rod 40.

In the present embodiment, the lifting rod 40 of the present embodiment is sequentially inserted through the upper retainer ring 20, the plurality of bearing pads 30, and the lower retainer ring 10, wherein the pushing block 41 is connected to a portion of the lifting rod 40 inserted into the lower retainer ring 10, and the lifting rod 40 can drive the pushing block 41 to push the plurality of bearing pads 30 at the same time, so that the outer circumferential edges of the plurality of bearing pads 30 are inserted into the inner arc grooves of the bearing outer ring 200, thereby achieving the tight fit among the pushing block 41, the plurality of bearing pads 30, and the bearing outer ring 200, and the plurality of bearing pads 30 are pressed by the upper retainer ring 20, so that the bearing outer ring 200 can be separated from the bearing seat 201 by lifting and driving the lifting rod 40 when the dismounting device of the present embodiment is operated.

Specifically, the pushing block 41 of the present embodiment has a conical surface 411 on the outer peripheral surface thereof, the plurality of bearing pads 30 are fitted and formed with center holes, the pushing block 41 is partially inserted upward into the center holes, and the plurality of bearing pads 30 are pushed and spread by the conical surface 411 of the pushing block 41, so that the pushing block 41 drives the plurality of bearing pads 30 to be snapped into the bearing outer race 200.

Further, the inner peripheral surface of the bearing pad 30 of the present embodiment is a tapered surface mating surface that matches the tapered surface 411 of the pushing block 41, thereby facilitating the opening drive of the plurality of bearing pads 30 by the pushing block 41.

In the present embodiment, the number of the bearing pads 30 of the present embodiment is two, three, or four.

In addition, the outer circumferential surface of each of the bearing pads 30 of the present embodiment is formed as an arc surface that matches the inner arc groove of the bearing outer ring 200, so that the degree of adhesion between the plurality of bearing pads 30 and the bearing outer ring 200 when the plurality of expanded bearing pads 30 act on the inner arc groove of the bearing outer ring 200 is increased, and the bearing outer ring 200 can be easily detached from the bearing housing 201 when the detaching device is operated.

In the present embodiment, the lifting rod 40 of the present embodiment is a lead screw, the lead screw is screwed with the lock nut 42 on the portion above the upper retainer ring 20, and the lock nut 42 can abut against the upper retainer ring 20 to limit the upper retainer ring 20 on the plurality of bearing pads 30, so that the lifting rod 40 can drive the bearing outer ring 200 to separate from the bearing seat 201 through the pushing block 41 while pulling up. Of course, the way of limiting the screw rod on the upper retainer ring 20 is not limited to the illustration, and it is obvious to those skilled in the art that the upper retainer ring 20 can be limited on the screw rod by inserting a bolt through the screw rod.

In this embodiment, the dismounting device of this embodiment further includes a supporting plate 50, a plurality of driving screws 51 are screwed on the supporting plate 50, and each driving screw 51 can abut against the bearing seat 201 through one side end of the supporting plate 50 to drive the supporting plate 50 to move in a direction away from the bearing outer ring 200. That is, when the detaching device of the present embodiment is operated, the support plate 50 can be driven to move upward by the driving screw 51, thereby facilitating the upward pulling driving of the pulling rod 40.

Moreover, the screw rod of the present embodiment is disposed through the supporting plate 50, wherein a portion of the screw rod extending out of the supporting plate 50 is screwed with the limiting nut 43, and the limiting nut 43 can limit the supporting plate 50 to be separated from the screw rod upwards, so that the supporting plate 50 can be driven by the driving screw 51 and simultaneously can drive the screw rod to be lifted upwards, thereby achieving the driving of separating the bearing outer ring 200 from the bearing seat 201.

The number of the drive screws 51 in the present embodiment is two, and the two drive screws 51 are symmetrically disposed on both sides of the support plate 50.

To sum up, the utility model provides a dismounting device suitable for bearing inner race utilizes the crowded mode that rises to a plurality of bearing filler blocks of pushing away on the lifting rod, realizes a plurality of bearing filler blocks and bearing inner race joint for the dismounting device during operation can be through carrying to lifting rod and drawing the drive, can dismantle out on bearing inner race bolster bearing housing, realizes the user demand of dismantling on the bearing inner race bolster bearing housing with this, and convenient operation avoids demolising the destructiveness of bearing inner race.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (9)

1. The utility model provides a dismounting device suitable for bearing inner race, its characterized in that includes lower retaining ring, relative last retaining ring that lower retaining ring set up, locate down the retaining ring with go up a plurality of bearing filler blocks between the retaining ring and carry the pull rod, carry the pull rod and run through downwards in proper order go up retaining ring, a plurality of bearing filler block with the retaining ring sets up down, wherein carry the pull rod and insert extremely the part of retaining ring is connected with and pushes away the piece down, it can drive to carry the pull rod push away the piece and push a plurality of simultaneously the bearing filler block, so that it is a plurality of the outer peripheral edges card of bearing filler block goes into to the inner arc groove of bearing inner race.

2. The removing apparatus for a bearing outer race according to claim 1, wherein an outer peripheral surface of the thrust piece is provided with a conical surface, a plurality of the bearing pads are engaged and formed with a center hole, and the thrust piece is partially inserted upward into the center hole and thrusts the plurality of the bearing pads to be expanded by the conical surface of the thrust piece.

3. The removing apparatus for a bearing outer race according to claim 2, wherein an inner peripheral surface of the bearing pad is provided as a tapered surface mating surface that matches the tapered surface of the thrust piece.

4. The disassembly device that is applicable to the bearing inner race of claim 3, wherein the number of bearing filler blocks is two, three or four.

5. The removing apparatus for a bearing outer race according to claim 1, wherein an outer peripheral surface of each of the bearing pads is provided as an arc surface that matches an inner arc groove on the bearing outer race.

6. The dismounting device for the bearing outer ring according to claim 1, wherein the lifting rod is a screw rod, a locking nut is screwed on a part of the screw rod above the upper retainer ring, and the locking nut can be pressed against the upper retainer ring to limit the upper retainer ring on the plurality of bearing filler blocks.

7. The dismounting device for the bearing outer ring according to claim 6, further comprising a support plate, wherein a plurality of driving screws are screwed on the support plate, and each driving screw penetrates through one side end of the support plate and can abut against a bearing seat so as to drive the support plate to move in a direction away from the bearing outer ring.

8. The dismounting device for the bearing outer ring according to claim 7, wherein the screw penetrates through the support plate, a limit nut is screwed on a part of the screw, which extends out of the support plate, and the limit nut can limit the support plate to be separated from the screw upwards.

9. The dismounting device for the bearing outer ring according to claim 8, wherein the number of the drive screws is two, and the two drive screws are symmetrically arranged on two sides of the support plate.

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