CN104802127B - A kind of differential type bearing disassembling device - Google Patents

A kind of differential type bearing disassembling device Download PDF

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Publication number
CN104802127B
CN104802127B CN201510237300.6A CN201510237300A CN104802127B CN 104802127 B CN104802127 B CN 104802127B CN 201510237300 A CN201510237300 A CN 201510237300A CN 104802127 B CN104802127 B CN 104802127B
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CN
China
Prior art keywords
differential
sleeve
thread
pin
plate
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.)
Expired - Fee Related
Application number
CN201510237300.6A
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Chinese (zh)
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CN104802127A (en
Inventor
李乐乐
孟凡林
张琦
刘晓聪
孙召成
胥曰强
康强
荆正军
陈志达
侯华敬
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China University of Petroleum CUP
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China University of Petroleum CUP
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Filing date
Publication date
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Priority to CN201510237300.6A priority Critical patent/CN104802127B/en
Priority to CN201611088599.4A priority patent/CN106425994B/en
Publication of CN104802127A publication Critical patent/CN104802127A/en
Application granted granted Critical
Publication of CN104802127B publication Critical patent/CN104802127B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02Hand 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
    • B25B27/023Hand 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 using screws
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02Hand 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
    • B25B27/06Hand 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
    • B25B27/062Hand 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)
  • Retarders (AREA)
  • Mounting Of Bearings Or Others (AREA)
  • Rolling Contact Bearings (AREA)
  • Motor Power Transmission Devices (AREA)

Abstract

The present invention relates to a kind of bearing disassembling device, especially a kind of differential type bearing disassembling device.Including line shaft, pre-tightening sleeve, upper differential sleeve, active section, lower differential sleeve, connecting plate, curved splint, pin, described line shaft is threadeded with pre-tightening sleeve, described upper differential sleeve, lower differential sleeve are threadeded with pre-tightening sleeve respectively, described connecting plate upper end is connected by pin with upper differential sleeve, centre is connected by pin with active section, and lower end is connected by pin with curved splint.Beneficial effects of the present invention:Structure is simple, easy to use, and upper differential sleeve and lower differential sleeve form differential, shorten its haul distance on pre-tightening sleeve, reduce the size of bearing extractor;The intrados of curved splint is threaded, and increases the frictional force and between bearing column face, easy to disassemble;Overcome that plain bearing extracting tool size is larger, complex structure, not readily portable the drawbacks of, there is certain practical value.

Description

A kind of differential type bearing disassembling device
Technical field
The present invention relates to a kind of bearing disassembling device, especially a kind of differential type bearing disassembling device.
Background technology
With the fast development of bearing industry, present bearing is widely used to industry-by-industry field, in universal machine Most commonly seen with the application of deep groove ball bearing, deep groove ball bearing is installed at the axle journal of axle head when using, and and axle Neck interference fit, increased the dismounting difficulty of bearing because its magnitude of interference is big.Bearing removal tool special in the market is relatively Few, its operation principle mostly is the lower surface blocking bearing with claw, under then center of rotation thread spindle is so that install the axle of bearing Move, thus bearing removal is got off, in unloading process the shift motion of center thread spindle larger so that bearing extractor Size is larger, and build is heavy, not readily portable.
Content of the invention
Present invention seek to address that the problems referred to above, there is provided a kind of differential type bearing disassembling device, it overcomes plain bearing Extracting tool size is larger, complex structure, not readily portable the drawbacks of, the technical scheme that it adopts is as follows:
A kind of differential type bearing disassembling device, including line shaft, pre-tightening sleeve, upper differential sleeve, active section, lower differential sleeve, company Fishplate bar, curved splint, pin, described line shaft is threadeded with pre-tightening sleeve, described upper differential sleeve, lower differential sleeve respectively with Pre-tightening sleeve is threaded, and described connecting plate upper end is connected by pin with upper differential sleeve, and middle and active section is connected by pin Connect, lower end is connected by pin with curved splint, described active section one end is connected by pin with lower differential sleeve, the other end with Connecting plate is connected by pin.
Described line shaft includes spindle nose, bull stick and thread spindle, and described bull stick is welded on the face of cylinder of spindle nose, described Thread spindle and spindle nose be overall processing part, and thread spindle is machined with external screw thread near one end of spindle nose, away from spindle nose One end is undressed screw thread, the part being threaded accounts for 7/10ths of thread spindle total length, the diameter of undressed threaded portion Less than the diameter of processing threaded portion, the external screw thread of described thread spindle processing is common coarse thread.
Described pre-tightening sleeve includes rotating bar and thread bush, and described rotating bar is welded on the upper end of thread bush, described Thread bush is hollow-core construction, its inner cylinder face is machined with common coarse thread, external cylindrical surface is machined with two sections common Coarse thread, and epimere screw thread and hypomere screw thread is oppositely oriented.
Described upper differential sleeve includes differential body and upper supporting plate, and described upper supporting plate is welded on differential body, Described upper differential body is hollow-core construction, and its inner cylinder face is machined with common coarse thread, rotation direction and thread bush outside cylinder The epimere screw thread in face is identical, and threadeds with the epimere of thread bush external cylindrical surface.
Described lower differential sleeve include under differential body and lower carrier plate, described lower carrier plate is welded on down on differential body, Under described, differential body is hollow-core construction, and its inner cylinder face is machined with common coarse thread, rotation direction and thread bush outside cylinder The hypomere screw thread in face is identical, and threadeds with the hypomere of thread bush external cylindrical surface.
Described connecting plate includes differential sleeve connecting hole, bent plate, active section connecting hole and curved splint connecting hole, described Upper differential sleeve connecting hole be opened in bent plate upper end, active section connecting hole is opened in the middle of bent plate, curved splint connecting hole opens up In bent plate lower end.
Described curved splint includes joint and arc, and described weld is on the extrados of arc, described Arc intrados on be machined with common coarse thread.
The invention has the advantages that:Structure is simple, easy to use, and upper differential sleeve and lower differential sleeve form differential, shortening Its haul distance on pre-tightening sleeve, reduces the size of bearing extractor;The intrados of curved splint is threaded, Increase the frictional force and between bearing column face, easy to disassemble;Overcome that plain bearing extracting tool size is larger, structure is multiple Miscellaneous, not readily portable the drawbacks of, there is certain practical value.
Brief description
Fig. 1:A kind of overall structure diagram of differential type bearing disassembling device;
Fig. 2:A kind of structural representation of differential type bearing disassembling device line shaft;
Fig. 3:A kind of structural representation of differential type bearing disassembling device pre-tightening sleeve;
Fig. 4:The structural representation of differential sleeve on a kind of differential type bearing disassembling device;
Fig. 5:The structural representation of differential sleeve under a kind of differential type bearing disassembling device;
Fig. 6:A kind of structural representation of differential type bearing disassembling device connecting plate;
Fig. 7:A kind of structural representation of differential type bearing disassembling device curved splint.
Symbol description:
1. line shaft, 2. pre-tightening sleeve, 3. go up differential sleeve, 4. active section, 5. descend differential sleeve, 6. connecting plate, 7. curved splint, 8. pin, 1.1 spindle noses, 1.2 bull sticks, 1.3 thread spindles, 2.1 rotating bars, 2.2 thread bush, differential body on 3.1,3.2 upper supporting plates, Differential body under 5.1,5.2 lower carrier plates, differential sleeve connecting hole, 6.2 bent plates, 6.3 active section connecting holes, 6.4 curved splints on 6.1 Connecting hole, 7.1 joints, 7.2 arcs.
Specific embodiment
The invention will be further described with example below in conjunction with the accompanying drawings:
As shown in figs. 1-7, a kind of differential type of present invention bearing disassembling device, including line shaft (1), pre-tightening sleeve (2), upper difference Dynamic set (3), active section (4), lower differential sleeve (5), connecting plate (6), curved splint (7), pin (8), described line shaft (1) with Pre-tightening sleeve (2) is threaded, and described upper differential sleeve (3), lower differential sleeve (5) are threadeded with pre-tightening sleeve (2) respectively, described Connecting plate (6) upper end is connected by pin (8) with upper differential sleeve (3), and centre is connected by pin (8) with active section (4), lower end It is connected by pin (8) with curved splint (7), described active section (4) one end is connected by pin (8) with lower differential sleeve (5), The other end is connected by pin (8) with connecting plate (6).
Described line shaft (1) includes spindle nose (1.1), bull stick (1.2) and thread spindle (1.3), and described bull stick (1.2) welds It is connected on the face of cylinder of spindle nose (1.1), described thread spindle (1.3) is overall processing part with spindle nose (1.1), and thread spindle (1.3) it is machined with external screw thread near one end of spindle nose (1.1), away from the undressed screw thread in one end of spindle nose (1.1), be threaded Part account for 7/10ths of thread spindle (1.3) total length, the diameter of undressed threaded portion is than the diameter of processing threaded portion Little, the external screw thread that described thread spindle (1.3) is processed is common coarse thread.
Described pre-tightening sleeve (2) includes rotating bar (2.1) and thread bush (2.2), and described rotating bar (2.1) is welded on spiral shell The upper end of stricture of vagina set (2.2), described thread bush (2.2) is hollow-core construction, its inner cylinder face is machined with common coarse thread, outward The common coarse thread of two sections is machined with the face of cylinder, and epimere screw thread and hypomere screw thread is oppositely oriented.
Differential body (3.1) and upper supporting plate (3.2) in described upper differential sleeve (3) inclusion, described upper supporting plate (3.2) welds It is connected on differential body (3.1), described upper differential body (3.1) is hollow-core construction, its inner cylinder face is machined with common Coarse thread, rotation direction is identical with the epimere screw thread of thread bush (2.2) external cylindrical surface, and upper with thread bush (2.2) external cylindrical surface Section is threaded.
Differential body (5.1) and lower carrier plate (5.2) under described lower differential sleeve (5) inclusion, described lower carrier plate (5.2) welds Be connected on down on differential body (5.1), described under differential body (5.1) be hollow-core construction, its inner cylinder face is machined with common Coarse thread, rotation direction is identical with the hypomere screw thread of thread bush (2.2) external cylindrical surface, and with thread bush (2.2) external cylindrical surface under Section is threaded.
Differential sleeve connecting hole (6.1) in described connecting plate (6) inclusion, bent plate (6.2), active section connecting hole (6.3) and Curved splint connecting hole (6.4), described upper differential sleeve connecting hole (6.1) is opened in bent plate (6.2) upper end, active section connecting hole (6.3) it is opened in the middle of bent plate (6.2), curved splint connecting hole (6.4) is opened in bent plate (6.2) lower end.
Described curved splint (7) includes joint (7.1) and arc (7.2), and described joint (7.1) is welded on arc On the extrados of plate (7.2), described arc (7.2) intrados is machined with common coarse thread.
When the present invention uses, first differential type bearing disassembling device is vertically placed on the top of bearing to be removed, by turning Dynamic upper differential sleeve (3) is so that upper differential sleeve (3) moves down along pre-tightening sleeve (2) and passes through active section (4) and connecting plate (6) Drive lower differential sleeve (5) to move up along pre-tightening sleeve (2), entering thus realizing differential action, saving stroke distances.Here mistake Pre-tightening sleeve (2) remains stationary, connecting plate (6) output determination action in journey, until make two curved splints (7) clamp bearing External cylindrical surface, the rotating bar (2.1) now holding pre-tightening sleeve (2) keeps pre-tightening sleeve (2) action not to occur, and starts simultaneously at rotation dynamic Power axle (1) is so as to the internal thread hole along pre-tightening sleeve (2) moves down so as to lower surface is against the upper surface of bearing place shaft part On, then proceed to rotational power axle (1) and load, until bearing is unloaded from the axle installed, the connected mode of this device is Threaded and pin connects, easy to disassemble and maintenance.
Describe the present invention by way of example above, but the invention is not restricted to above-mentioned specific embodiment, all be based on Any change that the present invention is done or modification belong to the scope of protection of present invention.

Claims (5)

1. a kind of differential type bearing disassembling device it is characterised in that:Including line shaft (1), pre-tightening sleeve (2), upper differential sleeve (3), Active section (4), lower differential sleeve (5), connecting plate (6), curved splint (7), pin (8), described line shaft (1) and pre-tightening sleeve (2) threaded, described upper differential sleeve (3), lower differential sleeve (5) are threadeded with pre-tightening sleeve (2) respectively, described connecting plate (6) upper end is connected by pin (8) with upper differential sleeve (3), and centre is connected by pin (8) with active section (4), lower end and arc Clamping plate (7) passes through pin (8) and connects, and described active section (4) one end is connected by pin (8) with lower differential sleeve (5), the other end It is connected by pin (8) with connecting plate (6);Differential sleeve connecting hole (6.1) in described connecting plate (6) inclusion, bent plate (6.2), Active section connecting hole (6.3) and curved splint connecting hole (6.4), described upper differential sleeve connecting hole (6.1) is opened in bent plate (6.2) upper end, active section connecting hole (6.3) are opened in the middle of bent plate (6.2), curved splint connecting hole (6.4) is opened in bent plate (6.2) lower end;Described curved splint (7) includes joint (7.1) and arc (7.2), and described joint (7.1) is welded on arc On the extrados of shape plate (7.2), described arc (7.2) intrados is machined with common coarse thread.
2. a kind of differential type bearing disassembling device according to claim 1 it is characterised in that:Described line shaft (1) bag Include spindle nose (1.1), bull stick (1.2) and thread spindle (1.3), described bull stick (1.2) is welded on the face of cylinder of spindle nose (1.1), Described thread spindle (1.3) and spindle nose (1.1) are overall processing part, and thread spindle (1.3) is near one end of spindle nose (1.1) It is machined with external screw thread, away from the undressed screw thread in one end of spindle nose (1.1), the part being threaded accounts for thread spindle (1.3) overall length 7/10ths of degree, the diameter of undressed threaded portion is less than the diameter of processing threaded portion, and described thread spindle (1.3) is processed External screw thread be common coarse thread.
3. a kind of differential type bearing disassembling device according to claim 1 it is characterised in that:Described pre-tightening sleeve (2) bag Include rotating bar (2.1) and thread bush (2.2), described rotating bar (2.1) is welded on the upper end of thread bush (2.2), described spiral shell Stricture of vagina set (2.2) is hollow-core construction, its inner cylinder face is machined with common coarse thread, external cylindrical surface is machined with two sections general Logical coarse thread, and epimere screw thread and hypomere screw thread is oppositely oriented.
4. a kind of differential type bearing disassembling device according to claim 1 it is characterised in that:Described upper differential sleeve (3) Including upper differential body (3.1) and upper supporting plate (3.2), described upper supporting plate (3.2) is welded on differential body (3.1), institute The upper differential body (3.1) stated is hollow-core construction, and its inner cylinder face is machined with common coarse thread, rotation direction and thread bush (2.2) the epimere screw thread of external cylindrical surface is identical, and threadeds with the epimere of thread bush (2.2) external cylindrical surface.
5. a kind of differential type bearing disassembling device according to claim 1 it is characterised in that:Described lower differential sleeve (5) Including under differential body (5.1) and lower carrier plate (5.2), described lower carrier plate (5.2) is welded on down on differential body (5.1), institute Stating down differential body (5.1) is hollow-core construction, and its inner cylinder face is machined with common coarse thread, rotation direction and thread bush (2.2) the hypomere screw thread of external cylindrical surface is identical, and threadeds with the hypomere of thread bush (2.2) external cylindrical surface.
CN201510237300.6A 2015-05-12 2015-05-12 A kind of differential type bearing disassembling device Expired - Fee Related CN104802127B (en)

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CN201510237300.6A CN104802127B (en) 2015-05-12 2015-05-12 A kind of differential type bearing disassembling device
CN201611088599.4A CN106425994B (en) 2015-05-12 2015-05-12 A kind of differential type bearing disassembling device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105195279A (en) * 2015-10-29 2015-12-30 天津碎易得环保工程技术有限公司 Damping device of crusher
CN107819295B (en) * 2016-09-13 2020-01-07 中国石油天然气股份有限公司 Electric power construction tool
CN107650071A (en) * 2017-10-30 2018-02-02 镇江建华轴承有限公司 A kind of bearing Mounting device
CN110202521B (en) * 2019-05-29 2021-06-18 大庆油田有限责任公司 Manual mechanical common-reinforcement dual-purpose puller
CN115026771B (en) * 2022-07-11 2022-12-02 宁波悦海驰动力科技有限公司 Detacher for gearbox bearing and detaching method thereof

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US5983474A (en) * 1997-03-03 1999-11-16 Koppe; Rudolf Puller tool
CN201552548U (en) * 2009-09-25 2010-08-18 四川精控阀门制造有限公司 Tool for disassembling top-mounted ball valve with 6'' and greater large caliber
CN201940960U (en) * 2011-03-04 2011-08-24 文登威力高档工具有限公司 Automatic clamping puller
CN102229134A (en) * 2011-07-12 2011-11-02 力帆实业(集团)股份有限公司 Bearing dismounting device
CN202292648U (en) * 2011-11-09 2012-07-04 陈钰霖 Bearing detaching pressure plate
CN104476446A (en) * 2014-12-15 2015-04-01 重庆煌钰机械有限公司 Automobile driver shaft maintenance tool

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JPS59115169A (en) * 1982-12-22 1984-07-03 林精鋼株式会社 Extracting tool for bearing
CN2146343Y (en) * 1993-01-16 1993-11-17 李君之 Internal drawing horse
CN202914524U (en) * 2012-09-12 2013-05-01 宁波三泰轴承有限公司 Rolling bearing and special dismounting tool for rolling bearing

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5983474A (en) * 1997-03-03 1999-11-16 Koppe; Rudolf Puller tool
CN201552548U (en) * 2009-09-25 2010-08-18 四川精控阀门制造有限公司 Tool for disassembling top-mounted ball valve with 6'' and greater large caliber
CN201940960U (en) * 2011-03-04 2011-08-24 文登威力高档工具有限公司 Automatic clamping puller
CN102229134A (en) * 2011-07-12 2011-11-02 力帆实业(集团)股份有限公司 Bearing dismounting device
CN202292648U (en) * 2011-11-09 2012-07-04 陈钰霖 Bearing detaching pressure plate
CN104476446A (en) * 2014-12-15 2015-04-01 重庆煌钰机械有限公司 Automobile driver shaft maintenance tool

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CN104802127A (en) 2015-07-29
CN106425994B (en) 2018-08-14
CN106425994A (en) 2017-02-22

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