CN104015159A - Special tool for disassembling bearing bushing in blind hole - Google Patents
Special tool for disassembling bearing bushing in blind hole Download PDFInfo
- Publication number
- CN104015159A CN104015159A CN201410272217.8A CN201410272217A CN104015159A CN 104015159 A CN104015159 A CN 104015159A CN 201410272217 A CN201410272217 A CN 201410272217A CN 104015159 A CN104015159 A CN 104015159A
- Authority
- CN
- China
- Prior art keywords
- hook
- blind hole
- bearing
- drawing bar
- screw mandrel
- Prior art date
- Legal status (The legal status 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 status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/06—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races
- B25B27/062—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races using screws
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supports Or Holders For Household Use (AREA)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
Abstract
The invention provides a special tool for disassembling a bearing bushing in a blind hole, and belongs to the technical field of hand-operated tools. The tool comprises a pull rod screw rod, hook assemblies, hook mounting base assemblies, a supporting part, a drawing rod and a handlebar. The hook mounting base assemblies are assembled at the front end of the pull rod screw rod in a matched mode, the drawing rod is arranged at the rear end of the pull rod screw rod to form a screw rod nut transmission mechanism, each hook assembly is installed in the corresponding hook mounting base assembly in a hinged mode, and the hook mounting base assemblies are sleeved with the supporting part; when the bearing bushing in the blind hole is disassembled, the front end of the supporting part is tightly pressed on the end face of a bearing hole in a machine body, the drawing rod is arranged at the rear end of the supporting part, and the supporting part provides supporting counter force for the drawing rod; the handlebar is installed at the rear end of the drawing rod. The tool has the advantages of being accurate in positioning and convenient to operate, the bearing bushing in the blind hole can be disassembled perfectly, and working efficiency is improved.
Description
Technical field
The present invention relates to a kind of bearing insert extracting tool, especially a kind of blind hole middle (center) bearing bushing dismounting specific purpose tool, belongs to hand-operated tools technical field.
Background technology
As shown in Figure 1, the aircraft body 8 in maintenance process, after wing is removed, is stubborn problems to the dismounting of the bearing insert 10 in fuselage interior blind hole 9.Because the rigging position of bearing insert 10 is spaces of a sealing, complex structure, adopts existing common extracting tool very easily to cause the damage to body 8 and bearing insert 10 bodies.
As everyone knows, be arranged on carry-on all parts all very strict to quality requirement, and price is very expensive, the damage of parts will bring huge economic loss, therefore, design a kind of specific purpose tool for blind hole middle (center) bearing bushing dismounting and become the task of top priority of aircraft maintenance enterprise.
Summary of the invention
The object of the invention is to the drawback for prior art, a kind of accurate positioning, easy to operate blind hole middle (center) bearing bushing dismounting specific purpose tool are provided.
Problem of the present invention realizes with following technical proposals:
A kind of blind hole middle (center) bearing bushing dismounting specific purpose tool, it comprises pull bar screw mandrel, hanging hook assembly, hook mounting bracket assembly, supporting member, drawing bar and handgrip; Described pull bar screw mandrel front end is equipped with hook mounting bracket assembly, composition screw nut driven mechanism after rear end and the assembling of drawing bar; Described hanging hook assembly is arranged in hook mounting bracket assembly in hinged way; Described supporting member is sleeved on hook mounting bracket assembly outside, and when to blind hole middle (center) bearing bushing dismounting, supporting member front end is pressed on the dead eye place end face of body, and rear end and drawing bar are equipped, and supporting member is that drawing bar provides support counter-force; Described drawing rod rear end is installed handgrip.
Above-mentioned blind hole middle (center) bearing bushing dismounting specific purpose tool, described pull bar screw mandrel front end is provided with conical stretching face, is provided with in its back-end screw mandrel external screw thread, and described conical stretching face mates with hanging hook assembly, and described screw mandrel external screw thread mates with drawing bar.
Above-mentioned blind hole middle (center) bearing bushing dismounting specific purpose tool; described hanging hook assembly comprises one group of hook and an elasticity gathering ring; described hook number is no less than 12; their one end are hinged with hook mounting bracket assembly; the other end draws ring serial connection in by elasticity; the hinge hole mating with hook mounting bracket assembly is set on hook; hook front end medial surface is the circular arc mating surface mating with pull bar screw mandrel nose circle taper stretching face, the drawing clamping area that hook front end arranged outside is mated with bearing insert end face to be removed.
Above-mentioned blind hole middle (center) bearing bushing dismounting specific purpose tool, described hook mounting bracket assembly comprises hook mount pad and annular base, described annular base is provided with and the spherical groove of linking up with bottom shape and mating, annular base is screwed onto the rear end of hook mount pad, wedge shape annular groove and pull bar screw mandrel via hole are set on described hook mount pad, described wedge shape annular groove is communicated with the spherical groove on annular base, and being formed as hook provides the R type annular groove of activity space.
Above-mentioned blind hole middle (center) bearing bushing dismounting specific purpose tool, described supporting member is that bottom is provided with the round mouth vessel structure of through hole, in its bottom through-hole, bearing is installed, and by bearing cap by bearing seal.
Above-mentioned blind hole middle (center) bearing bushing dismounting specific purpose tool, described drawing bar is hollow rod member, and the drawing bar internal thread mating with pull bar screw mandrel external screw thread is set on its front end madial wall, is provided with in its back-end handgrip installing hole.
Above-mentioned blind hole middle (center) bearing bushing dismounting specific purpose tool, it is also provided with drawing bar support ring, and described drawing bar support ring is sleeved on drawing bar outside, when to blind hole middle (center) bearing bushing dismounting, drawing bar support ring is sleeved in another dead eye of body, drawing bar is played a supportive role.
The present invention is no less than the hook of 12 by quantity and forms hanging hook assembly; and this hanging hook assembly is hinged with hook mounting bracket assembly; in hook mounting bracket assembly, be provided with wedge shape annular groove and spherical groove; consist of hook by wedge shape annular groove and spherical groove the R type annular groove of activity space is provided; draw ring in by elasticity simultaneously hook is connected in series, ensured the auto-reset function of hook.Composition screw nut driven mechanism after screw mandrel pull bar of the present invention and the assembling of drawing bar, can rotate by handgrip control drawing bar, drive pull bar screw mandrel to move horizontally, make the circular arc mating surface of pull bar screw mandrel nose circle taper stretching face and hook produce relative motion, thereby hook is rotated around jointed shaft, hanging hook assembly is strutted, and the drawing clamping area of hook is installed on bearing neck bush end face to be removed, completes the clamping and positioning to blind hole middle (center) bearing lining.Supporting member of the present invention is sleeved on the outside of hook mounting bracket assembly, supporting member front end is pressed on body dead eye place end face, drawing bar front end compresses supporting member rear end, be that drawing bar provides support counter-force by supporting member, drive the rotation of drawing bar by rotary handle, thereby make pull bar screw mandrel drive bearing insert to move horizontally by hanging hook assembly, finally make it from body blind hole, extract, complete the field-strip of bearing insert.In a word, the present invention has accurate positioning, easy to operate feature, can not only in good condition blind hole middle (center) bearing lining be removed, and improve operating efficiency, for aircraft maintenance enterprise has created good economic benefit.
Brief description of the drawings
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is aircraft body blind hole middle (center) bearing lining schematic diagram;
Fig. 2 is cross-sectional view of the present invention;
Fig. 3 is the blast structure chart of Fig. 2;
Fig. 4 is hanging hook assembly cross-sectional view;
Fig. 5 is the side view of hanging hook assembly;
Fig. 6 is hook mounting bracket assembly cross-sectional view;
Fig. 7 is the side view of hook mounting bracket assembly;
Fig. 8～Figure 10 is course of work schematic diagram of the present invention.
In figure, each list of reference numerals is: 1, pull bar screw mandrel, 1-1, conical stretching face, 1-2, screw mandrel external screw thread, 2, hanging hook assembly, 2-1, hook, 2-2, elasticity is drawn ring in, 2-3, hinge hole, 2-4, circular arc mating surface, 2-5, drawing clamping area, 3, hook mounting bracket assembly, 3-1, hook mount pad, 3-2, annular base, 3-3, wedge shape annular groove, 3-4, pull bar screw mandrel via hole, 3-5, spherical groove, 4, supporting member, 4-1, bearing, 4-2, bearing cap, 5, drawing bar, 5-1, drawing bar internal thread, 5-2, handgrip installing hole, 6, drawing bar support ring, 7, handgrip, 8, body, 9, blind hole, 10, bearing insert.
Detailed description of the invention
Referring to Fig. 2, Fig. 3, the present invention includes pull bar screw mandrel 1, hanging hook assembly 2, hook mounting bracket assembly 3, supporting member 4, drawing bar 5 and handgrip 7; Described pull bar screw mandrel 1 front end is equipped with hook mounting bracket assembly 3, composition screw nut driven mechanism after rear end and 5 assemblings of drawing bar; Described hanging hook assembly 2 is arranged in hook mounting bracket assembly 3 in hinged way; Described supporting member 4 is sleeved on hook mounting bracket assembly 3 outsides; Handgrip 7 is installed in described drawing bar 5 rear ends.
Referring to Fig. 3, pull bar screw mandrel 1 front end of the present invention is provided with conical stretching face 1-1, is provided with in its back-end screw mandrel external screw thread 1-2, and described conical stretching face 1-1 mates with hanging hook assembly 2, and described screw mandrel external screw thread 1-2 mates with drawing bar 5; Supporting member 4 of the present invention is provided with the round mouth vessel structure of through hole for bottom, bearing 4-1 is installed in its bottom through-hole, and by bearing cap 4-2, bearing 4-1 is sealed; Drawing bar 5 of the present invention is hollow rod member, and the drawing bar internal thread 5-1 mating with the screw mandrel external screw thread 1-2 of pull bar screw mandrel 1 is set on its front end madial wall, is provided with in its back-end handgrip installing hole 5-2; The present invention is also provided with drawing bar support ring 6, and described drawing bar support ring 6 is sleeved on drawing bar 5 outsides, in the time that blind hole 9 middle (center) bearing linings 10 are dismantled, drawing bar support ring 6 is sleeved in another dead eye of body 8, and drawing bar 5 is played a supportive role.
Referring to Fig. 4, Fig. 5; hanging hook assembly 2 of the present invention comprises one group of hook 2-1 and an elasticity gathering ring 2-2; described hook 2-1 quantity is no less than 12; their one end are hinged with hook mounting bracket assembly 3; the other end draws ring 2-2 serial connection in by elasticity; the hinge hole 2-3 mating with hook mounting bracket assembly 3 is set on hook 2-1; hook front end medial surface is the circular arc mating surface 2-4 mating with pull bar screw mandrel nose circle taper stretching face 1-1, the drawing clamping area 2-5 that hook front end arranged outside is mated with bearing insert 10 end faces to be removed.
Referring to Fig. 6, Fig. 7, hook mounting bracket assembly 3 of the present invention comprises hook mount pad 3-1 and annular base 3-2, described annular base 3-2 is provided with and the spherical groove 3-5 that links up with 2-1 bottom shape and mate, annular base 3-2 is screwed onto the rear end of hook mount pad 3-1, wedge shape annular groove 3-3 and pull bar screw mandrel via hole 3-4 are set on described hook mount pad 3-1, described wedge shape annular groove 3-3 is communicated with the spherical groove 3-5 on annular base, is formed as linking up with 2-1 the R type annular groove of activity space is provided.
Referring to Fig. 8～Figure 10, while using this bearing insert tool special for dismounting to dismantle the 9 middle (center) bearing linings 10 of blind hole on aircraft body 8, first pull bar screw mandrel 1 and hanging hook assembly 2 and hanging hook assembly mount pad 3 are assembled together, make it pass bearing insert 10 and be deep in body blind hole 9; Again supporting member 4 is sleeved on to hook mounting bracket assembly 3 outsides, supporting member 4 front ends are pressed on the dead eye place end face of body 8, drawing bar 5 is equipped with screw mandrel pull bar 1, drawing bar 5 front ends are compressed to supporting member 4 rear ends, provide support counter-force by supporting member 4 for drawing bar 5; Then controlling drawing bar 5 by handgrip 7 rotates, drive pull bar screw mandrel 1 to move horizontally, make pull bar screw mandrel 1 nose circle taper stretching face 1-1 and the circular arc mating surface 2-4 of hook 2-1 produce relative motion, rotate around jointed shaft thereby make to link up with 2-1, hanging hook assembly 2 is strutted; The drawing clamping area 2-5 that now links up with 2-1 is installed on bearing neck bush 10 end faces to be removed, continue rotary handle 7, drawing bar 5 rotates, thereby make pull bar screw mandrel 1 drive bearing insert 10 to move horizontally by hanging hook assembly 2, finally make it from the blind hole 9 of body 8, extract, complete the field-strip of bearing insert 10.
Claims (7)
1. a blind hole middle (center) bearing bushing dismounting specific purpose tool, is characterized in that, it comprises pull bar screw mandrel (1), hanging hook assembly (2), hook mounting bracket assembly (3), supporting member (4), drawing bar (5) and handgrip (7); Described pull bar screw mandrel (1) front end is equipped with hook mounting bracket assembly (3), composition screw nut driven mechanism after rear end and drawing bar (5) assembling; Described hanging hook assembly (2) is arranged in hook mounting bracket assembly (3) in hinged way; Described supporting member (4) is sleeved on hook mounting bracket assembly (3) outside, in the time that blind hole (9) middle (center) bearing lining (10) is dismantled, supporting member (4) front end is pressed on the dead eye place end face of body (8), rear end and drawing bar (5) are equipped, and supporting member (4) provides support counter-force for drawing bar (5); Handgrip (7) is installed in described drawing bar (5) rear end.
2. a kind of blind hole middle (center) bearing bushing dismounting specific purpose tool according to claim 1, it is characterized in that, described pull bar screw mandrel (1) front end is provided with conical stretching face (1-1), be provided with in its back-end screw mandrel external screw thread (1-2), described conical stretching face (1-1) mates with hanging hook assembly (2), and described screw mandrel external screw thread (1-2) mates with drawing bar (5).
3. a kind of blind hole middle (center) bearing bushing dismounting specific purpose tool according to claim 2, it is characterized in that, described hanging hook assembly (2) comprises one group of hook (2-1) and an elasticity gathering ring (2-2), described hook (2-1) quantity is no less than 12, their one end are hinged with hook mounting bracket assembly (3), the other end draws ring (2-2) serial connection in by elasticity, at the upper hinge hole (2-3) mating with hook mounting bracket assembly (3) that arranges of hook (2-1), hook front end medial surface is the circular arc mating surface (2-4) mating with pull bar screw mandrel nose circle taper stretching face (1-1), the drawing clamping area (2-5) that hook front end arranged outside is mated with bearing insert to be removed (10) end face.
4. a kind of blind hole middle (center) bearing bushing dismounting specific purpose tool according to claim 3, it is characterized in that, described hook mounting bracket assembly (3) comprises hook mount pad (3-1) and annular base (3-2), described annular base (3-2) is provided with and the spherical groove (3-5) of linking up with (2-1) bottom shape and mating, annular base (3-2) is screwed onto the rear end of hook mount pad (3-1), wedge shape annular groove (3-3) and pull bar screw mandrel via hole (3-4) are set on described hook mount pad (3-1), described wedge shape annular groove (3-3) is communicated with the spherical groove (3-5) on annular base, being formed as hook (2-1) provides the R type annular groove of activity space.
5. a kind of blind hole middle (center) bearing bushing dismounting specific purpose tool according to claim 4, it is characterized in that, described supporting member (4) is provided with the circular dishware structure of through hole for bottom, bearing (4-1) is installed in its bottom through-hole, and by bearing cap (4-2), bearing (4-1) is sealed.
6. a kind of blind hole middle (center) bearing bushing dismounting specific purpose tool according to claim 5, it is characterized in that, described drawing bar (5) is hollow rod member, the drawing bar internal thread (5-1) mating with the screw mandrel external screw thread (1-2) of pull bar screw mandrel (1) is set on its front end madial wall, is provided with in its back-end handgrip installing hole (5-2).
7. a kind of blind hole middle (center) bearing bushing dismounting specific purpose tool according to claim 6, it is characterized in that, it is also provided with drawing bar support ring (6), described drawing bar support ring (6) is sleeved on drawing bar (5) outside, in the time that blind hole (9) middle (center) bearing lining (10) is dismantled, drawing bar support ring (6) is sleeved in another dead eye of body (8), drawing bar (5) is played a supportive role.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410272217.8A CN104015159B (en) | 2014-06-18 | 2014-06-18 | A kind of blind hole middle (center) bearing bushing dismounting specific purpose tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410272217.8A CN104015159B (en) | 2014-06-18 | 2014-06-18 | A kind of blind hole middle (center) bearing bushing dismounting specific purpose tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104015159A true CN104015159A (en) | 2014-09-03 |
| CN104015159B CN104015159B (en) | 2015-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410272217.8A Active CN104015159B (en) | 2014-06-18 | 2014-06-18 | A kind of blind hole middle (center) bearing bushing dismounting specific purpose tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104015159B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105200875A (en) * | 2015-08-24 | 2015-12-30 | 河南高达铁路机械设备有限公司 | Multifunctional extractor for GLC turnout eccentric sleeve |
| CN106312914A (en) * | 2016-11-24 | 2017-01-11 | 安徽江淮汽车集团股份有限公司 | Assistive device for disassembly of differential bearing' outer ring, |
| CN108326794A (en) * | 2018-04-23 | 2018-07-27 | 安徽江淮汽车集团股份有限公司 | The extracting tool of gear box oil capping |
| CN110082017A (en) * | 2019-05-08 | 2019-08-02 | 北京理工大学 | A kind of bearing insert separating clamp |
| CN113021244A (en) * | 2021-02-09 | 2021-06-25 | 中国航发哈尔滨东安发动机有限公司 | Sealing ring assembling device |
| CN115070694A (en) * | 2022-07-19 | 2022-09-20 | 华芯半导体科技有限公司 | Mounting device and mounting tool |
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| CN2136109Y (en) * | 1992-07-24 | 1993-06-16 | 周方平 | Internal jaw for bearing |
| FR2716824A1 (en) * | 1994-03-04 | 1995-09-08 | Facom | Bearing or bush extractor from shafts or housings |
| CN201389829Y (en) * | 2009-04-21 | 2010-01-27 | 天津赛瑞机器设备有限公司 | Double hook detacher |
| CN201597015U (en) * | 2010-03-12 | 2010-10-06 | 哈尔滨飞机工业集团有限责任公司 | Pawl used for removing bushings from blind holes |
| CN201807883U (en) * | 2010-04-29 | 2011-04-27 | 广西玉柴机器股份有限公司 | Disassembling tool for sand box positioning pin bush |
| CN202062341U (en) * | 2011-02-28 | 2011-12-07 | 宣化钢铁集团有限责任公司 | Tapered bearing outer ring taking device |
| CN202271151U (en) * | 2011-06-27 | 2012-06-13 | 成都飞机工业（集团）有限责任公司 | Dismounting device for sliding bearing |
| CN203245813U (en) * | 2013-04-24 | 2013-10-23 | 哈尔滨飞机工业集团有限责任公司 | Bush dismantling tool |
| CN203901215U (en) * | 2014-06-18 | 2014-10-29 | 中国人民解放军第五七二一工厂 | Tool for disassembling bearing bush in blind hole |
-
2014
- 2014-06-18 CN CN201410272217.8A patent/CN104015159B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2136109Y (en) * | 1992-07-24 | 1993-06-16 | 周方平 | Internal jaw for bearing |
| FR2716824A1 (en) * | 1994-03-04 | 1995-09-08 | Facom | Bearing or bush extractor from shafts or housings |
| CN201389829Y (en) * | 2009-04-21 | 2010-01-27 | 天津赛瑞机器设备有限公司 | Double hook detacher |
| CN201597015U (en) * | 2010-03-12 | 2010-10-06 | 哈尔滨飞机工业集团有限责任公司 | Pawl used for removing bushings from blind holes |
| CN201807883U (en) * | 2010-04-29 | 2011-04-27 | 广西玉柴机器股份有限公司 | Disassembling tool for sand box positioning pin bush |
| CN202062341U (en) * | 2011-02-28 | 2011-12-07 | 宣化钢铁集团有限责任公司 | Tapered bearing outer ring taking device |
| CN202271151U (en) * | 2011-06-27 | 2012-06-13 | 成都飞机工业（集团）有限责任公司 | Dismounting device for sliding bearing |
| CN203245813U (en) * | 2013-04-24 | 2013-10-23 | 哈尔滨飞机工业集团有限责任公司 | Bush dismantling tool |
| CN203901215U (en) * | 2014-06-18 | 2014-10-29 | 中国人民解放军第五七二一工厂 | Tool for disassembling bearing bush in blind hole |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105200875A (en) * | 2015-08-24 | 2015-12-30 | 河南高达铁路机械设备有限公司 | Multifunctional extractor for GLC turnout eccentric sleeve |
| CN105200875B (en) * | 2015-08-24 | 2017-01-18 | 河南高达铁路机械设备有限公司 | Multifunctional extractor for GLC turnout eccentric sleeve |
| CN106312914A (en) * | 2016-11-24 | 2017-01-11 | 安徽江淮汽车集团股份有限公司 | Assistive device for disassembly of differential bearing' outer ring, |
| CN108326794A (en) * | 2018-04-23 | 2018-07-27 | 安徽江淮汽车集团股份有限公司 | The extracting tool of gear box oil capping |
| CN110082017A (en) * | 2019-05-08 | 2019-08-02 | 北京理工大学 | A kind of bearing insert separating clamp |
| CN113021244A (en) * | 2021-02-09 | 2021-06-25 | 中国航发哈尔滨东安发动机有限公司 | Sealing ring assembling device |
| CN115070694A (en) * | 2022-07-19 | 2022-09-20 | 华芯半导体科技有限公司 | Mounting device and mounting tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104015159B (en) | 2015-12-16 |
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