CN209140819U - A kind of multi-purpose bearing extractor - Google Patents
A kind of multi-purpose bearing extractor Download PDFInfo
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- CN209140819U CN209140819U CN201821925710.5U CN201821925710U CN209140819U CN 209140819 U CN209140819 U CN 209140819U CN 201821925710 U CN201821925710 U CN 201821925710U CN 209140819 U CN209140819 U CN 209140819U
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- kelly
- barre
- mandril
- bearing
- clamping piece
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Abstract
The utility model belongs to bearing extractor technical field, and in particular to a kind of multi-purpose bearing extractor.The extracting tool includes barre, the afterburner block being sheathed on barre, mandril, the fixing piece being sheathed on mandril, left and right connecting rods and the first kelly and the second kelly for offering several location holes；The barre includes vertical part and the horizontal part, and the internal diameter of afterburner block is less than the length of barre horizontal part；The both ends of the fixing piece horizontal direction are flexibly connected with one end of left and right connecting rods respectively；The other end of the left and right connecting rods is detachably connected with the first kelly and the second kelly respectively；First kelly and the second kelly are by pin shaft and mandril cross-articulation, and the end of the first kelly and the second kelly is equipped with the clamping piece for clamping bearing.Multi-purpose bearing extractor described in the utility model can dismantle different sizes and different types of bearing, and structure is simple, easy to operate.
Description
Technical field
The utility model belongs to bearing extractor technical field, and in particular to a kind of multi-purpose bearing extractor.
Background technique
Bearing is a common part in field of mechanical technique, and bearing holder (housing, cover) is set on body or pipe fitting, using certain
Dismounting and change is needed after period.
Bearing can be divided into basic hole system bearing and basic shaft system bearing according to installation fits kind.The bearing of basic hole system, passes through
Inner ring interference fit is fixed in rod-like members；Basic shaft system bearing is fixed in axis hole by outer ring interference fit.Traditional axis
The bearing that extracting tool is held for basic hole system installation can draw the common extracting tools such as horse using hitting the method for unloading or using；And it is directed to
The bearing of basic shaft system installation, suitable extracting tool is less at present.
Patent CN207432118 U discloses a kind of difunctional bearing extractor, including dismounting cylinder (1), mandril (2),
Pulling claw (3) and stud (4), the mandril (2) penetrate through dismounting cylinder (1) installation, and the pulling claw (3) one end is connected to top
End, the other end extend downwardly dismounting cylinder (1) outside, are equipped with stud (4) on the dismounting cylinder (1) circumference stack shell.The bearing is torn open
Unloading the bearing that tool installs basic shaft system and basic hole system can dismantle.But the bearing extractor institute used in the technical solution
The bearing size that can be dismantled is fixed, unadjustable；And it is directed to different types of bearing removal, it needs with the use of different portions
Part, cumbersome, structure is complicated.
Summary of the invention
In order to solve the above-mentioned technical problem, the utility model aim is to provide a kind of multi-purpose bearing extractor, can tear open
The bearing of different size basic shaft systems or basic hole system installation is unloaded, and structure is simple, it is easy to operate.
In order to achieve the above technical purposes, the utility model uses following technical scheme:
A kind of multi-purpose bearing extractor, the extracting tool include barre, the afterburner block being sheathed on barre, mandril,
Fixing piece, left and right connecting rods and the first kelly and the second kelly for offering several location holes；
The barre include vertical portion and set on vertical portion top and to two sides extend horizontal part；The afterburner block it is interior
Diameter is less than the length of barre horizontal part；The bottom end of barre vertical portion is connected with mandril；
The fixing piece is sheathed on mandril, and the both ends of fixing piece horizontal direction are living with one end of left and right connecting rods respectively
Dynamic connection；The other end of the left and right connecting rods is detachably connected with the first kelly and the second kelly respectively；
The mandril is equipped with pin shaft, the first kelly and the second kelly far from one end of barre and intersects hinge with mandril by pin shaft
It connects；The end of first kelly and the second kelly is equipped with the clamping piece for clamping bearing, and the first kelly and the second card
Clamping piece on bar is towards on the contrary.
In preferred design, the mandril outer surface is provided with screw thread, is threadedly coupled on the mandril at fixing piece vertical direction both ends
Have for limiting the mobile nut of fixing piece；Lock fixing piece position by tightening nuts, unscrewing nut, which then can adjust, to be fixed
The position of part.
In preferred design, the both ends of the fixing piece horizontal direction are equipped with pin shaft；One end of left and right connecting rods by pin shaft with
Fixing piece rotation connection.
In above-mentioned preferred design, the other end of the left connecting rod and the first kelly, the other end of right connecting rod and the second card
Bar is detachably connected by bolt；The location hole that different location on the first kelly and the second kelly is passed through by bolt, can adjust
The openings of sizes of whole first kelly and the second kelly, to be adapted to various sizes of bearing.
In preferred design, the clamping piece is set to the both ends of the first kelly and the second kelly, and the first kelly and the second card
The clamping piece outward bending of bar bottom end；First kelly and the clamping piece on the second kelly top bend inwards；By adjusting for pressing from both sides
The direction for holding the clamping piece of bearing allows extracting tool to be adapted to different types of bearing.
In preferred design, the clamping piece is bar shaped or hook-type.
In above-mentioned preferred design, the clamping piece is detachably connected with the first kelly and the second kelly.
It is further preferred that the clamping piece is detachably connected by bolt and the first kelly and the second kelly；Pass through spiral shell
Bolt fixation can more easily adjust the direction of clamping piece, to keep clamping piece and being engaged for bearing more firm.
In preferred design, the bottom end of the barre vertical portion offers screw thread, and barre is connected with mandril by swivel nut, from
And it connect barre with mandril and is easily detachable.
In preferred design, the material of the multi-purpose bearing extractor is steel alloy, such as chrome-vanadium steel, S2 steel alloy, chrome molybdenum
Steel, to meet the multi-purpose firm wear-resisting requirement of bearing extractor.
The detachable various sizes of bearing of multi-purpose bearing extractor described in the utility model, specifically used step is such as
Under:
1, by the first kelly and the second kelly cross-articulation on the pin shaft of mandrel ends, according to the class for the bearing dismantled
The direction of type adjustment bottom end clamping piece: when dismantling the bearing of basic shaft system installation, outward bending clamping piece is placed in bottom end；When tearing open
When unloading the bearing of basic hole system installation, the first kelly and the second kelly are rotated 180 °, the clamping piece that makes to bend inwards is placed in bottom end；
2, according to the size for the bearing dismantled, corresponding location hole is selected, and passes through bolt for left and right connecting rods and first
Kelly and the second kelly are connected and fixed；
3, fixing piece position is adjusted, is adapted the openings of sizes of kelly with bearing, and be engaged clamping piece mutually with bearing；
The nut at tightening fasteners both ends locks fixing piece position；
4, external force is applied to afterburner block, so that afterburner block is hit the horizontal part of barre, so that bearing be pulled out.
Multi-purpose bearing extractor described in the utility model on kelly by being arranged several location holes and different directions
Clamping piece, different sizes and different types of bearing removal can be adapted to；Afterburner block is set on barre simultaneously, by adding
Power block, which hits barre horizontal part, can obtain bigger pulling force, so that bearing be made to be easier to split out；And structure is simple, operation side
Just, bearing removal efficiency is effectively improved.
Detailed description of the invention
The schematic diagram of bearing extractor disassembly basic shaft system bearing is mostly used in Fig. 1 embodiment 1；
The schematic diagram of bearing extractor disassembly basic hole system bearing is mostly used in Fig. 2 embodiment 1；
Bearing extractor schematic diagram is mostly used in Fig. 3 embodiment 2.
Specific embodiment
Below in conjunction with specific embodiment, the utility model is described in further detail.
Embodiment 1
A kind of multi-purpose bearing extractor, as shown in Figs. 1-2, including barre 1, the afterburner block 2 being sheathed on barre 1, top
Bar 3, fixing piece 4, left connecting rod 5, right connecting rod 6 and the first kelly 7 and the second kelly 8 that offer several location holes 9；
Barre 1 includes vertical portion and the horizontal part for being vertical at vertical portion top and extending to two sides；The internal diameter of afterburner block 2
Less than the length of 1 horizontal part of barre, to prevent afterburner block 2 from falling off from barre 1；The bottom end of 1 vertical portion of barre offers spiral shell
Line, barre 1 are connected with mandril 3 by swivel nut 12；
3 outer surface of mandril is provided with screw thread；Fixing piece 4 is sheathed on mandril 3, and the mandril 3 at 4 vertical direction both ends of fixing piece
On be arranged with for limiting the mobile nut 14 of fixing piece 4；4 position of fixing piece is locked by tightening nuts 14, unscrews nut
The position of 14 adjustable mounts 4；
The both ends of 4 horizontal direction of fixing piece are equipped with pin shaft；The upper end of left connecting rod 5 and right connecting rod 6 passes through pin shaft and fixing piece 4
Rotation connection；The lower end of left connecting rod 5 and lower end and the second kelly 8 of the first kelly 7, right connecting rod 6 are detachably connected by bolt；
Mandril 3 is equipped with pin shaft 13, the first kelly 7 and the second kelly 8 far from one end of barre 2 and passes through pin shaft 13 and 3 cross-articulation of mandril；
By the cooperation of bolt and different location location hole 9, the openings of sizes of adjustable first kelly 7 and the second kelly 8, thus suitable
With various sizes of bearing；
The both ends of first kelly 7 and the second kelly 8 are equipped with the clamping piece 10 for clamping bearing 11, and clamping piece 10 is in item
Shape；10 outward bending of clamping piece of 8 bottom end of first kelly 7 and the second kelly；The clamping on 8 top of the first kelly 7 and the second kelly
Part 10 bends inwards；By adjusting the direction of the clamping piece 10 for clamping bearing 11, extracting tool can be made to be adapted to inhomogeneity
The bearing of type.
The material that bearing extractor is mostly used described in the present embodiment selects chrome-vanadium steel, other conjunctions also may be selected in the material
Jin Gang, such as S2 steel alloy, chrome-molybdenum steel, the above material are all satisfied the firm wear-resisting requirement of multi-purpose bearing extractor.
Be mostly used in the present embodiment bearing extractor specifically used steps are as follows:
1, by the first kelly 7 and 8 cross-articulation of the second kelly on the pin shaft 13 of 3 end of mandril, according to the axis dismantled
Hold the direction of 11 type adjustment bottom end clamping piece 10: when dismantling the bearing of basic shaft system installation, by outward bending clamping piece 10
It is placed in bottom end (Fig. 1)；When dismantling the bearing of basic hole system installation, the first kelly 7 and the second kelly 8 are rotated 180 °, made inwardly
Bending clamping piece 10 is placed in bottom end (Fig. 2)；
2, according to the size of the bearing dismantled 11, corresponding location hole 9 is selected, and passes through bolt for left connecting rod 5 and the right side
Connecting rod 6 is connected and fixed with the first kelly 7 and the second kelly 8 respectively；
3,4 position of fixing piece is adjusted, is adapted the first kelly 7 and the openings of sizes of the second kelly 8 with bearing 11, and make
Clamping piece 10 is engaged with 11 phase of bearing；The nut 14 at 4 both ends of tightening fasteners locks 4 position of fixing piece；
4, external force is applied to afterburner block 2, so that afterburner block 2 is hit the horizontal part of barre 1, so that bearing 11 be pulled out.
Embodiment 2
A kind of multi-purpose bearing extractor, as shown in figure 3, the clamping piece 15 is hook-type；Clamping piece 15 by bolt with
First kelly 7 and the second kelly 8 are detachably connected；The bolt passes through the through-hole for being opened in the vertical end of clamping piece 15, will press from both sides
Gripping member 15 is connected with the first kelly 7 and the second kelly 8 respectively.
Bearing extractor is mostly used in the present embodiment to dismantle various sizes of bearing specifically used steps are as follows:
1, by the first kelly 7 and 8 cross-articulation of the second kelly on the pin shaft 13 of 3 end of mandril, according to the axis dismantled
It holds the direction of 11 type adjustment bottom end clamping piece: when dismantling the bearing of basic shaft system installation, outward bending clamping piece 15 being set
In bottom end；When dismantling the bearing of basic hole system installation, the first kelly 7 and the second kelly 8 are rotated 180 °, make the clamping that bends inwards
Part 15 is placed in bottom end；
2, according to the size of the bearing dismantled 11, corresponding location hole 9 is selected, and passes through bolt for left connecting rod 5 and the right side
Connecting rod 6 is connected and fixed with the first kelly 7 and the second kelly 8 respectively；
3,4 position of fixing piece is adjusted, is adapted the first kelly 7 and the openings of sizes of the second kelly 8 with dismantled bearing；
The nut 14 at 4 both ends of tightening fasteners locks 4 position of fixing piece；
4, the direction for adjusting clamping piece 15, is engaged clamping piece 15 mutually with bearing；Screwing bolts make the direction of clamping piece 15
It is fixed；
5, external force is applied to afterburner block 2, so that afterburner block 2 is hit the horizontal part of barre 1, so that bearing 11 be pulled out.
The above are optimal embodiment, multi-purpose bearing extractor described in the utility model can also be only in the first kelly and the
The clamping piece being detachably connected is arranged in two kelly bottom ends；When dismantling the bearing of basic shaft system installation, keep clamping piece outward bending solid
Due to the first kelly and the second kelly bottom end；When dismantling the bearing of basic hole system installation, so that clamping piece is bent inwards and be fixed on the
One kelly and the second kelly bottom end；Above technical scheme can achieve technical effect identical with the present embodiment.
The technical solution of the utility model that the above embodiments are only illustrative and not limiting, any pair of the utility model carry out
Equivalent replacement and do not depart from the modifications or substitutions of the spirit and scope of the utility model, should all cover and be wanted in the utility model right
Within the scope of asking protection.
Multi-purpose bearing extractor described in the utility model on kelly by being arranged several location holes and different directions
Clamping piece, different sizes and different types of bearing removal can be adapted to；Afterburner block is set on barre simultaneously, by adding
Power block, which hits barre horizontal part, can obtain bigger pulling force, so that bearing be made to be easier to split out；And structure is simple, operation side
Just, bearing removal efficiency is effectively improved.
Claims (10)
1. a kind of multi-purpose bearing extractor, it is characterised in that: including barre, the afterburner block being sheathed on barre, mandril is fixed
Part, left and right connecting rods and the first kelly and the second kelly for offering several location holes；
The barre include vertical portion and set on vertical portion top and to two sides extend horizontal part；The internal diameter of the afterburner block is small
In the length of barre horizontal part；The bottom end of barre vertical portion is connected with mandril；
The fixing piece is sheathed on mandril, and the both ends of fixing piece horizontal direction connect with one end activity of left and right connecting rods respectively
It connects；The other end of the left and right connecting rods is detachably connected with the first kelly and the second kelly respectively；
The mandril is equipped with pin shaft, the first kelly and the second kelly far from one end of barre and passes through pin shaft and mandril cross-articulation；
The end of first kelly and the second kelly is equipped with the clamping piece for clamping bearing, and on the first kelly and the second kelly
Clamping piece towards opposite.
2. extracting tool as described in claim 1, it is characterised in that: the mandril outer surface is provided with screw thread, and fixing piece is vertical
It is threaded on the mandril at direction both ends for limiting the mobile nut of fixing piece.
3. extracting tool as claimed in claim 2, it is characterised in that: the both ends of the fixing piece horizontal direction are equipped with pin shaft；
One end of left and right connecting rods is rotatablely connected by pin shaft and fixing piece.
4. extracting tool as claimed in claim 3, it is characterised in that: the other end of the left connecting rod and the first kelly, right company
The other end of bar is detachably connected with the second kelly by bolt.
5. extracting tool as described in claim 1, it is characterised in that: the clamping piece is set to the first kelly and the second kelly
Both ends, and the clamping piece outward bending of the first kelly and the second kelly bottom end；The clamping piece of first kelly and the second kelly top
It bends inwards.
6. extracting tool as claimed in claim 5, it is characterised in that: the clamping piece is bar shaped or hook-type.
7. extracting tool as claimed in claim 6, it is characterised in that: the clamping piece and the first kelly and the second kelly are removable
Unload connection.
8. extracting tool as claimed in claim 7, it is characterised in that: the clamping piece passes through with the first kelly and the second kelly
Bolt is detachably connected.
9. extracting tool as claimed in claim 2, it is characterised in that: the bottom end of the barre vertical portion offers screw thread,
Bar is connected with mandril by swivel nut.
10. extracting tool as described in any one of claim 1 to 9, it is characterised in that: the material of the multi-purpose bearing extractor
Matter is steel alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821925710.5U CN209140819U (en) | 2018-11-22 | 2018-11-22 | A kind of multi-purpose bearing extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821925710.5U CN209140819U (en) | 2018-11-22 | 2018-11-22 | A kind of multi-purpose bearing extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209140819U true CN209140819U (en) | 2019-07-23 |
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ID=67286892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821925710.5U Active CN209140819U (en) | 2018-11-22 | 2018-11-22 | A kind of multi-purpose bearing extractor |
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| CN (1) | CN209140819U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109277983A (en) * | 2018-11-22 | 2019-01-29 | 河南中烟工业有限责任公司 | A kind of multi-purpose bearing extractor |
| CN113352275A (en) * | 2021-06-24 | 2021-09-07 | 一汽解放汽车有限公司 | Disassembly tool for engine cylinder sleeve |
-
2018
- 2018-11-22 CN CN201821925710.5U patent/CN209140819U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109277983A (en) * | 2018-11-22 | 2019-01-29 | 河南中烟工业有限责任公司 | A kind of multi-purpose bearing extractor |
| CN113352275A (en) * | 2021-06-24 | 2021-09-07 | 一汽解放汽车有限公司 | Disassembly tool for engine cylinder sleeve |
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