CN101786225B - Bearing dismounting tool - Google Patents

Bearing dismounting tool Download PDF

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Publication number
CN101786225B
CN101786225B CN2010101127020A CN201010112702A CN101786225B CN 101786225 B CN101786225 B CN 101786225B CN 2010101127020 A CN2010101127020 A CN 2010101127020A CN 201010112702 A CN201010112702 A CN 201010112702A CN 101786225 B CN101786225 B CN 101786225B
Authority
CN
China
Prior art keywords
cylinder
trombone slide
push rod
hand riveter
pull tube
Prior art date
Application number
CN2010101127020A
Other languages
Chinese (zh)
Other versions
CN101786225A (en
Inventor
钟涛
Original Assignee
力帆实业(集团)股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 力帆实业(集团)股份有限公司 filed Critical 力帆实业(集团)股份有限公司
Priority to CN2010101127020A priority Critical patent/CN101786225B/en
Publication of CN101786225A publication Critical patent/CN101786225A/en
Application granted granted Critical
Publication of CN101786225B publication Critical patent/CN101786225B/en

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Abstract

The invention discloses a bearing dismounting tool which is characterized in that: a positioning cylinder is fixed on the cylinder body of a hand riveter cylinder, the cylinder shaft of the hand riveter cylinder extends to the positioning cylinder to be fixed with one end of a pull tube, the other end of the pull tube extends out of the positioning cylinder, the tube wall of the pull tube out of the positioning cylinder is provided with 3-8 openings along axial direction and in even circumferential distribution, and the center hole of the pull tube at the end has conical closing-in structure; a mandrel penetrates through the cylinder shaft of the hand riveter cylinder and extends to the pull tube to be in threaded fit with the pull tube, the conical end of the mandrel extends to the pull tube and is matched with the closing-in structure at the center hole end part of the pull tube in shape and size. The bearing dismounting tool has simple structure, easy assembly, low cost, light weight, overcomes site limits, not only has convenient and reliable operation and movement, but also has strong generality, can effectively improve the bearing dismounting efficiency and greatly reduces the labor intensity for operators.

Description

A kind of bearing extractor

Technical field

The invention belongs to technical field of tooling clamps, specifically, particularly a kind of drawing device of buried bearing.

Background technology

At present, when service engine or small lot trial assembly engine are made mistakes, all need the bearing removal in the crankcase is got off.Common way is: adopt special tooling, utilize cylinder that bearing is ejected.Existing pawl formula tool structure complexity, cost height, comparatively heavy on the one hand, be subjected to the restriction in place big; On the other hand, operation, mobile inconvenient, versatility is relatively poor, and efficient is low, and labor intensity of operating personnel is big.

Summary of the invention

Technical problem to be solved by this invention is to provide a kind of simple in structure, easy to operate bearing extractor.

Technical scheme of the present invention is as follows: a kind of bearing extractor, comprise hand riveter cylinder, positioning tube, trombone slide and push rod, stationary positioned tube on the cylinder body of hand riveter cylinder, the cylinder axis of hand riveter cylinder stretches in the positioning tube, and fix with an end of trombone slide, the other end of described trombone slide passes from positioning tube, and the tube wall of this end of trombone slide is provided with 3~8 vertically by the equally distributed opening of circumference, and the centre bore of this end of trombone slide is a taper closing in structure; Be equipped with push rod in the cylinder axis of described hand riveter cylinder, this push rod stretches in the trombone slide, and with the trombone slide threaded engagement, the end that described push rod stretches into trombone slide is taper, shape size adapts with the closing in of trombone slide centre bore end.

Adopt above technical scheme, earlier the hand riveter cylinder is connected source of the gas, trombone slide is injected in the brearing bore that will dismantle, make positioning tube be resisted against the crankcase body surface, rotate push rod then, make of the closing in end motion of the conehead end of push rod towards trombone slide, conehead until push rod stretches in the closing in of trombone slide, the pawl that forms between the two adjacent openings on the trombone slide is expanded outwardly, and the bearing that is critical, start hand riveter this moment, and the cylinder axis that makes the hand riveter cylinder is to the direction motion away from casing, the cylinder axis of hand riveter cylinder drives trombone slide and is synchronized with the movement, and bearing can be transferred in casing.After bearing was transferred to, the backward rotation push rod withdrawed from the conehead of push rod from the closing in of trombone slide, and the formed pawl of each opening of trombone slide resets under the effect of self screen resilience, unclamps the restriction to bearing, bearing can be taken off from trombone slide.

The present invention utilizes the structure and the operation principle of hand riveter dexterously, and not only simple in structure, assembling easily, cost is low, and in light weight, not limited by the place, operation, conveniently moving is reliable, when improving bearing removal efficient, greatly reduces labor intensity of operating personnel.

Described positioning tube is the straight pipe structure, and an end of this positioning tube centre bore is extended to circular storage tank, so that bearing is stepped down; The other end of positioning tube is provided with thread head, and this thread head stretches in the cylinder body of hand riveter cylinder, both threaded engagement.More than simple in structure, compact, it is firm to connect, and helps quick assembling.

One end of described trombone slide stretches in the cylinder axis of hand riveter cylinder, and both threaded engagement are formed with cone boss on the outer wall of trombone slide other end end.Trombone slide is connected firmly, and easy disassembling can be changed the trombone slide of different size according to actual needs, has effectively improved versatility of the present invention.End at trombone slide band openend is provided with cone boss, and this cone boss hangs upside down in bearing face when the dismounting bearing, can increase the power that is critical to bearing, guarantees that bearing moves with trombone slide.

For simplified structure, convenient processing, the middle part of described push rod is formed with screw boss, this screw boss and trombone slide threaded engagement; Be set with adjustment disk at push rod away from an end of trombone slide, so that rotate push rod during operation, convenient and labor-saving.

Processing for convenience and assembling further reduce production costs, and described adjustment disk is by injection mo(u)lding, and with push rod tight fit or threaded engagement.

Beneficial effect: the present invention is simple in structure, assembling is easy, cost is low, in light weight, not limited by the place, and not only operation, conveniently moving are reliable, and highly versatile, can effectively improve bearing removal efficient, reduce labor intensity of operating personnel greatly.

Description of drawings

Fig. 1 is a structural representation of the present invention.

Fig. 2 is the structural representation of positioning tube among the present invention.

Fig. 3 is the structural representation of trombone slide among the present invention.

Fig. 4 is the structural representation of push rod among the present invention.

The specific embodiment

The invention will be further described below in conjunction with drawings and Examples:

As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the present invention is made of hand riveter cylinder 1, positioning tube 2, trombone slide 3, push rod 4 and adjustment disk 5, and wherein hand riveter cylinder 1 is a prior art, and its structure is not done at this and given unnecessary details.In hand riveter cylinder 1 cylinder body 1a left side as shown positioning tube 2 is set, this positioning tube 2 is the straight pipe structure, the left end of positioning tube 2 centre bores is extended to circular storage tank 2a, the right-hand member of positioning tube 2 is formed with the slightly little thread head 2b of diameter, this thread head 2b stretches in the cylinder body 1a of hand riveter cylinder 1, both threaded engagement.The center of hand riveter cylinder 1 has cylinder axis 1b, and stretch out from the end face of cylinder body 1a corresponding end at the two ends of this cylinder axis 1b, and cylinder axis 1b left end as shown stretches in the positioning tube 2.

From Fig. 1, Fig. 3 as can be known, trombone slide 3 is located in the positioning tube 2, and trombone slide 3 right-hand member as shown is positioned at positioning tube 2, and stretches among the cylinder axis 1b of hand riveter cylinder 1, trombone slide 3 and cylinder axis 1b threaded engagement.The left end of trombone slide 3 passes from the left side of positioning tube 2, and the tube wall of trombone slide 3 left ends is provided with 3~8 opening 3a vertically, and each opening 3a evenly distributes by circumference, and the number of opening 3a and length are determined according to actual needs.The left end of described trombone slide 3 centre bores is a taper closing in structure, and is formed with cone boss 3b on the outer wall of trombone slide 3 left end ends.

Also as can be known, be equipped with push rod 4 in the cylinder axis 1b of hand riveter cylinder 1 from Fig. 1, Fig. 3, Fig. 4, this push rod 4 right-hand member as shown stretches out from the right side of cylinder axis 1b, and the end suit adjustment disk 5 of push rod 4 right-hand members.Described adjustment disk 5 is by injection mo(u)lding, and with push rod 4 tight fits or threaded engagement.The left end of push rod 4 stretches in the trombone slide 3, and the end of push rod 4 left ends is taper, and the shape size adapts with the closing in of trombone slide 3 centre bore ends.The middle part of described push rod 4 is formed with screw boss 4a, this screw boss 4a and trombone slide 3 threaded engagement.

Operation principle of the present invention is as follows:

Earlier hand riveter cylinder 1 is connected source of the gas, trombone slide 3 is injected in bearing 6 endoporus that will dismantle, make positioning tube 2 be resisted against crankcase body (not drawing among the figure) surface, rotate adjustment disk 5 then, make adjustment disk 5 drive push rod 4 rotations, the conehead end of push rod 4 is towards the closing in end motion of trombone slide 3, conehead until push rod 4 stretches in the closing in of trombone slide 3, the pawl that forms between the two adjacent opening 3a on the trombone slide 3 is expanded outwardly, and cooperate with bearing 6 tensioners, and cone boss 3b hangs upside down in bearing 6 end faces, start hand riveter this moment, the cylinder axis 1b that makes hand riveter cylinder 1 is to the direction motion away from casing, and the cylinder axis 1b of hand riveter cylinder 1 drives trombone slide 3 and is synchronized with the movement, and bearing 6 can be transferred in casing.After bearing 6 was transferred to, backward rotation adjustment disk 5 withdrawed from the conehead of push rod 4 from the closing in of trombone slide 3, and the formed pawl of trombone slide 3 each opening 3a resets under the effect of self screen resilience, unclamps the restriction to bearing 6, bearing 6 can be taken off from trombone slide 3.

Claims (5)

1. bearing extractor, it is characterized in that: on the cylinder body (1a) of hand riveter cylinder (1), be fixed with positioning tube (2), the cylinder axis (1b) of hand riveter cylinder (1) stretches in the positioning tube (2), and fix with an end of trombone slide (3), the other end of described trombone slide (3) passes from positioning tube (2), the tube wall of this end of trombone slide (3) is provided with 3~8 vertically by the equally distributed opening of circumference (3a), and the centre bore of this end of trombone slide (3) is a taper closing in structure; Be equipped with push rod (4) in the cylinder axis (1b) of described hand riveter cylinder (1), this push rod (4) stretches in the trombone slide (3), and with trombone slide (3) threaded engagement, the end that described push rod (4) stretches into trombone slide (3) is taper, shape size adapts with the closing in of trombone slide (3) centre bore end.
2. bearing extractor according to claim 1, it is characterized in that: described positioning tube (2) is the straight pipe structure, one end of this positioning tube (2) centre bore is extended to circular storage tank (2a), the other end of positioning tube (2) is provided with thread head (2b), this thread head (2b) stretches in the cylinder body (1a) of hand riveter cylinder (1), both threaded engagement.
3. bearing extractor according to claim 1 and 2, it is characterized in that: an end of described trombone slide (3) stretches in the cylinder axis (1b) of hand riveter cylinder (1), both threaded engagement are formed with cone boss (3b) on the outer wall of trombone slide (3) other end end.
4. bearing extractor according to claim 1, it is characterized in that: the middle part of described push rod (4) is formed with screw boss (4a), this screw boss (4a) and trombone slide (3) threaded engagement are set with adjustment disk (5) at push rod (4) away from an end of trombone slide (3).
5. bearing extractor according to claim 4 is characterized in that: described adjustment disk (5) is by injection mo(u)lding, and with push rod (4) tight fit or threaded engagement.
CN2010101127020A 2010-02-23 2010-02-23 Bearing dismounting tool CN101786225B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010101127020A CN101786225B (en) 2010-02-23 2010-02-23 Bearing dismounting tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010101127020A CN101786225B (en) 2010-02-23 2010-02-23 Bearing dismounting tool

Publications (2)

Publication Number Publication Date
CN101786225A CN101786225A (en) 2010-07-28
CN101786225B true CN101786225B (en) 2011-06-29

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Application Number Title Priority Date Filing Date
CN2010101127020A CN101786225B (en) 2010-02-23 2010-02-23 Bearing dismounting tool

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102744705B (en) * 2012-07-06 2018-03-23 衡阳市恒锋机械制造有限公司 Automobile p-type pump plunger snap ring dismantling device
CN107571197B (en) * 2016-02-19 2019-05-03 江山显进机电科技服务有限公司 Automatic transmission is remanufactured with convienent type left half axle flange bearing installation tool
CN109079461A (en) * 2018-09-11 2018-12-25 北京航空航天大学 A kind of adaptive bearing crawl installation end effector
CN110253261B (en) * 2019-06-28 2020-11-06 中国航发南方工业有限公司 Disc part pulling and unloading device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5012566A (en) * 1989-11-06 1991-05-07 Getz Jr Carl R Drilling and expanding tool for removing carburetor seal plugs
CN2723129Y (en) * 2004-07-09 2005-09-07 重庆力帆实业(集团)有限公司 Dismantling head of bearing part dismantling device
CN201632813U (en) * 2010-02-23 2010-11-17 力帆实业(集团)股份有限公司 Built-in bearing puller

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5012566A (en) * 1989-11-06 1991-05-07 Getz Jr Carl R Drilling and expanding tool for removing carburetor seal plugs
CN2723129Y (en) * 2004-07-09 2005-09-07 重庆力帆实业(集团)有限公司 Dismantling head of bearing part dismantling device
CN201632813U (en) * 2010-02-23 2010-11-17 力帆实业(集团)股份有限公司 Built-in bearing puller

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开平11-77557A 1999.03.23

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