CN217552307U - Universal bearing inner ring dismounting tool - Google Patents
Universal bearing inner ring dismounting tool Download PDFInfo
- Publication number
- CN217552307U CN217552307U CN202221290860.XU CN202221290860U CN217552307U CN 217552307 U CN217552307 U CN 217552307U CN 202221290860 U CN202221290860 U CN 202221290860U CN 217552307 U CN217552307 U CN 217552307U
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- bearing inner
- screw rod
- inner race
- rod
- universal bearing
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- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The utility model provides a universal bearing inner race extracting tool, include the extracting tool body, screw rod and application of force pole, the one end and the application of force pole axial of screw rod are perpendicular can dismantle and are connected, the other end of screw rod is worn to establish in the extracting tool body, first draw-in groove and the second draw-in groove that is used for joint bearing inner race turn-ups are seted up respectively at the inside wall both ends of extracting tool body. The bearing inner ring dismounting tool can be used for dismounting bearing inner rings of different specifications, the corresponding end is selected during working, the clamping groove in the dismounting tool body clamps the bearing inner ring flanging, the top end cone of the screw rod is aligned to the tip hole of the welding shaft, the screw rod can be rotated through the force application rod, and the screw rod can also be rotated clockwise by an air/electric tool, so that the bearing inner ring is dismounted on the welding shaft.
Description
Technical Field
The utility model belongs to the technical field of the bearing is dismantled, a general bearing inner race extracting tool is related to.
Background
Generally, a bearing inner ring and a shaft are in transition or interference fit, and when a bearing inner ring gear on the shaft is disassembled, a puller or a bearing plectrum is generally adopted. However, because the stress point of the inner ring of the bearing is small, the stress point is small when the traditional puller or the puller is used for disassembling, the bearing is easy to slip, the disassembly is difficult in the first step, the bearing is easy to scratch, the bearing is scrapped, and the disassembly efficiency of the traditional disassembly tool is low and the reliability is poor.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides a general bearing inner race extracting tool from the bearing inner race that can be used to dismantle different specifications, and has simple structure, range of application wide, use advantage such as reliable, with low costs.
The utility model discloses a realize through following technical scheme:
the utility model provides a general bearing inner race extracting tool, includes the extracting tool body, screw rod and application of force pole, the one end and the application of force pole of screw rod can be dismantled and be connected, the other end of screw rod is worn to establish in the extracting tool body, the inside wall both ends of extracting tool body are offered respectively and are used for joint bearing inner race turn-ups first draw-in groove and second draw-in groove.
Preferably, the first clamping groove and the second clamping groove are both of semicircular structures.
Preferably, the inner diameter of the second clamping groove is larger than that of the first clamping groove.
Preferably, the rod body of the screw rod is in a fine-tooth trapezoidal thread structure, and the other end of the screw rod is conical.
Preferably, a hexagonal nut is arranged at the connecting end of the screw rod and the stressing rod.
Preferably, the force application rod penetrates through holes at two ends of the hexagonal nut.
Preferably, the force application rod is provided with an anti-skid knurl.
Preferably, the disassembling tool body, the screw rod and the stress application rod are all made of 45# steel.
Preferably, the screw rod is vertically connected with the force application rod in the axial direction.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model provides a general bearing inner race extracting tool, including extracting tool body, screw rod and application of force pole, can be used to dismantle the bearing inner race of different specifications, the corresponding one end is selected in the during operation, blocks the bearing inner race turn-ups with the draw-in groove in the extracting tool body, aims at the apex hole of welding axle with screw rod top circular cone, rotates the screw rod through application of force pole, also can use gas/electric tool clockwise rotation screw rod to at the epaxial bearing inner race that pulls down of welding. The bearing inner ring dismounting tool has the advantages of simple structure, wide application range, reliable use, low cost and the like, and can be widely applied to working occasions such as gearbox maintenance, after-sales service and the like.
Further, the design of the both ends of extracting tool body has two kinds of semi-circular draw-in grooves of equidimension not, can dismantle the bearing inner race of different specifications, and it is higher to adopt semi-circular draw-in groove reliability, and is more efficient, can guarantee simultaneously that the bearing of dismantling is intact harmless.
Further, the utility model discloses a screw rod adopts thin tooth trapezoidal thread, and is laborsaving when both guaranteeing to dismantle, can improve bearing inner race extracting tool life again.
Drawings
Fig. 1 is a front view of the bearing inner race dismounting tool of the present invention;
FIG. 2 is a top view of the inner race dismounting tool of the present invention
FIG. 3 is a schematic diagram of a dismounting process applied to a bearing inner race in the embodiment;
FIG. 4 is a schematic view showing a state where a bearing inner race is connected to a shaft in the embodiment;
in the figure: the dismounting tool comprises a dismounting tool body 1, a screw rod 2, a stress application rod 3, a first clamping groove 4, a second clamping groove 5, a hexagonal nut 6, a shell wall 7, a flange 8, a bearing inner ring 9 and a welding shaft 10.
Detailed Description
The present invention will be described in further detail with reference to specific examples, which are intended to be illustrative rather than restrictive.
A universal bearing inner ring dismounting tool is shown in figures 1 and 2 and comprises a dismounting tool body 1, a screw rod 2 and a force applying rod 3, wherein one end of the screw rod 2 is vertically and detachably connected with the force applying rod 3 in an axial direction, the screw rod 2 and the force applying rod 3 are arranged in a clearance fit mode, the other end of the screw rod 2 penetrates through the dismounting tool body 1, a first clamping groove 4 and a second clamping groove 5 which are used for clamping flanges of bearing inner rings are respectively formed in two ends of the inner side wall of the dismounting tool body 1, the second clamping groove 5 can be suitable for bearing inner rings of a 1, 2-gear series, the first clamping groove 4 can be suitable for bearing inner rings of a 8, 9-gear series and can be used for dismounting bearing inner rings of different specifications, the clamping grooves are used for clamping flanges of the bearing inner rings when the dismounting tool is in work, and the bearing inner rings can be dismounted by rotating the screw rod 2 through the force applying rod 3, so that the bearing inner rings 9 can be dismounted. The bearing inner ring dismounting tool has the advantages of simple structure, wide application range, reliable use, low cost and the like, and can be widely applied to working occasions such as gearbox maintenance, after-sales service and the like.
As the utility model discloses preferred embodiment, the extracting tool body 1 includes conch wall 7 and flange 8, flange 8 sets up the both ends at conch wall 7, conch wall 7 is the half cylinder structure, and flange 8 is the cuboid structure, and wherein, first draw-in groove 4 and second draw-in groove 5 all set up on conch wall 7's inner wall.
The removal tool body 1 comprises a wall 7 and flanges 8, the flanges 8 being provided on either side of the wall 7. The shape of first draw-in groove 4 and second draw-in groove 5 is semi-circular structure, and is higher through adopting semi-circular draw-in groove reliability, and is more efficient, can guarantee simultaneously that the bearing of dismantling is intact lossless, the internal diameter of second draw-in groove 5 is greater than the internal diameter of first draw-in groove 4, to the bearing inner race of different models, can adjust different draw-in groove ends can.
As the utility model discloses preferred embodiment, the pole body of screw rod 2 is thin tooth trapezoidal thread structure, and the screw rod adopts thin tooth trapezoidal thread, has both guaranteed to dismantle laborsavingly, by can improve instrument life.
As the utility model discloses preferred embodiment, screw rod 2 is provided with hexagon nut 6 with the link of thrust rod 3, utilizes thrust rod 3 or with spanner clockwise rotation screw rod 2, can with bearing inner race from the welding epaxial withdrawal, also can dismantle thrust rod 3, blocks hexagon nut 6 rotation screw rod 2 with gas \ electric tool's head, and wherein screw rod 2 is conical with the corresponding end of welding axle 10, is convenient for aim at the apex hole of welding axle 10 with 2 top circular cone ends of screw rod, prevents the landing.
As the utility model discloses preferred embodiment, the application of force pole 3 is worn to establish in the through-hole at 6 both ends of hexagon nut, the cover is equipped with anti-skidding annular knurl on the application of force pole 3, avoids artifical when dismantling, and the working force is too big, and the friction leads to hand injured. The bearing inner ring dismounting tool is made of 45# steel, and the 45# steel needs to be subjected to quenching and tempering heat treatment before being used, so that the hardness and the strength of the bearing inner ring are improved.
The specific disassembly process is as follows: as shown in fig. 3 and 4, when the bearing inner race is dismounted, for bearing inner races of different specifications, the corresponding end is selected, the clamping groove is clamped on the flanging of the bearing inner race 9, the screw rod 2 is rotated under the action of external force, the top end cone of the screw rod is aligned with the tip hole of the welding shaft 10, and the bearing inner race 9 is dismounted under the action of external force.
The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. The utility model provides a general bearing inner race extracting tool, its characterized in that includes, extracting tool body (1), screw rod (2) and application of force pole (3), the one end and the application of force pole (3) of screw rod (2) can be dismantled and be connected, wear to establish in extracting tool body (1) the other end of screw rod (2), the inside wall both ends of extracting tool body (1) are seted up respectively and are used for joint bearing inner race turn-ups first draw-in groove (4) and second draw-in groove (5).
2. A universal bearing inner race dismounting tool according to claim 1, characterized in that the first and second clamping grooves (4, 5) are both semi-circular structures.
3. A universal bearing inner race removal tool according to claim 1, wherein the second snap groove (5) has an inner diameter greater than the inner diameter of the first snap groove (4).
4. The universal bearing inner ring dismounting tool is characterized in that the shaft body of the screw rod (2) is of a fine-pitch trapezoidal thread structure, and the other end of the screw rod (2) is conical.
5. A universal bearing inner race dismounting tool according to claim 1, characterized in that the connecting end of the screw rod (2) and the forcing rod (3) is provided with a hexagonal nut (6).
6. A universal bearing inner race dismounting tool according to claim 5, characterized in that the forcing rod (3) is inserted into the through hole at both ends of the hexagonal nut (6).
7. A universal bearing inner race dismounting tool according to claim 1, characterized in that the stressing rod (3) is provided with anti-slip knurling.
8. The universal bearing inner ring dismounting tool according to claim 1, wherein the dismounting tool body (1), the screw rod (2) and the stressing rod (3) are all made of 45# steel.
9. A universal bearing inner race dismounting tool according to claim 1, characterized in that the screw (2) is axially perpendicularly connected with the forcing rod (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221290860.XU CN217552307U (en) | 2022-05-26 | 2022-05-26 | Universal bearing inner ring dismounting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221290860.XU CN217552307U (en) | 2022-05-26 | 2022-05-26 | Universal bearing inner ring dismounting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217552307U true CN217552307U (en) | 2022-10-11 |
Family
ID=83499482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221290860.XU Active CN217552307U (en) | 2022-05-26 | 2022-05-26 | Universal bearing inner ring dismounting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217552307U (en) |
-
2022
- 2022-05-26 CN CN202221290860.XU patent/CN217552307U/en active Active
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