CN105710832A - Detachment fixture - Google Patents
Detachment fixture Download PDFInfo
- Publication number
- CN105710832A CN105710832A CN201610167570.9A CN201610167570A CN105710832A CN 105710832 A CN105710832 A CN 105710832A CN 201610167570 A CN201610167570 A CN 201610167570A CN 105710832 A CN105710832 A CN 105710832A
- Authority
- CN
- China
- Prior art keywords
- installing rack
- disassembling fixture
- support bar
- elastic card
- bearing
- 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.)
- Granted
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a detachment fixture, and belongs to the field of hand tools. The detachment fixture comprises a support rod, an installation frame and an elastic clamping jaw, wherein the installation frame is fixedly connected to one end of the support rod, the openable elastic clamping jaw is arranged at the other end of the support rod, the opening-closing direction of the elastic clamping jaw faces the support rod, and a stopping structure used for preventing a too large opening angle of the elastic clamping jaw is further arranged on the installation frame; in this way, when one end of the installation frame of the detachment fixture is inserted in a bearing, the elastic clamping jaw is closed towards the support rod, so that the installation frame and the elastic clamping jaw are capable of smoothly penetrating through the bearing; and after penetrating through the bearing, the elastic clamping jaw is opened to be abutted against the stopping structure under the elasticity of an elastic component; and finally the bearing can be smoothly detached and taken out from a long barrel or a long tube only by pulling outwards the support rod and pressing the elastic clamping jaw onto the end surface of the bearing.
Description
Technical field
The present invention relates to field of hand, particularly to a kind of disassembling fixture.
Background technology
In some drive apparatus with long cylinder or long tube structure, the support member of some annulars usually can be installed in long cylinder or long tube structure, to realize the support to other structures.
Such as; the deep well pump used time on some ships for dispatching liquid from cargo tank; owing to the cargo tank depth of hold is bigger; the general degree of depth can reach 7-30m; so the power transmission of deep well pump is generally divided into several sections; every segment length is about 6m; each section of power transmission includes rotating shaft and the outer central siphon being set in outside rotating shaft; in order to meet powerdriven reliability requirement; bearing generally can be set between central siphon and rotating shaft outside; and nonmetallic bearing would generally be selected, utilize self tensile force of nonmetallic bearing to carry out the location of bearing.
But the reasons such as the own tension due to the form tolerance of outer central siphon and bearing so that bearing is relatively difficult when dismounting, powerful dismounting can cause again bearing failure, and number of bearings is more again, so the bearing removal job very difficult in outer central siphon.
Summary of the invention
In order to solve the problem of the bearing removal difficulty in long cylinder or long tube, embodiments provide a kind of disassembling fixture.Described technical scheme is as follows:
Embodiments provide a kind of disassembling fixture, described disassembling fixture is for dismantling the bearing being positioned at long cylinder or long tube, described disassembling fixture includes support bar, installing rack and elastic card claw, one end of described installing rack is vertically fixedly connected on one end end face of described support bar, the other end of described installing rack is provided with can the described elastic card claw of opening and closing, the opening and closing direction of described elastic card claw is towards described support bar, described elastic card claw includes least one set jaw components, often organize described jaw components and include again claw body and flexible member, described claw body is hinged on described installing rack, one end of described flexible member is arranged on described installing rack, the other end of described flexible member is arranged on described claw body, described installing rack is additionally provided with the stop configurations for preventing described elastic card claw opening angle excessive, described support bar and described stop configurations lay respectively at the both sides of described elastic card claw.
Preferably, the face of described claw body described stop configurations side dorsad is the first plane, and when described elastic card claw is resisted against in described stop configurations, described first plane is perpendicular to the axis of described installing rack.
Further, the one side of described claw body described first plane dorsad is second, and described second is cambered surface or inclined-plane.
Further, hinged by straight pin between described claw body and described installing rack.
Alternatively, described flexible member is spring.
Preferably, described disassembling fixture also includes extension bar, and one end of described extension bar and described support bar described installing rack dorsad removably connects.
Further, one end of described support bar described installing rack dorsad is provided with female thread, and one end of described extension bar is provided with the external screw thread suitable with described female thread.
Preferably, threadedly it is connected between described installing rack with described support bar.
Alternatively, described elastic card claw includes 4 described jaw components, and 4 described jaw components are evenly arranged along the circumferencial direction of described installing rack termination.
Alternatively, described support bar is provided with anti-skid design.
The technical scheme that the embodiment of the present invention provides has the benefit that and connects installing rack by fixing in one end of support bar, the other end of installing rack be provided with can the elastic card claw of opening and closing and the opening and closing direction of elastic card claw towards support bar, installing rack is additionally provided with the stop configurations for preventing elastic card claw opening angle excessive, so, when bearing is inserted in one end of disassembling fixture installing rack, elastic card claw can close up to support bar, make installing rack and elastic card claw can pass through bearing, and after bearing, elastic card claw is flared under the elastic force of flexible member and is resisted against in stop configurations, last need to pull out support bar, elastic card claw is made to be pressed on bearing face, bearing can be dismantled taking-up smoothly in long cylinder or long tube.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in the embodiment of the present invention, below the accompanying drawing used required during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structure chart of a kind of disassembling fixture that the embodiment of the present invention provides；
Fig. 2 is the structure chart of a kind of installing rack that the embodiment of the present invention provides；
Fig. 3 is the structure chart of a kind of extension bar that the embodiment of the present invention provides；
Fig. 4 is the structure chart of a kind of support bar that the embodiment of the present invention provides；
Fig. 5 is schematic diagram when closing up of the disassembling fixture elastic card claw shown in Fig. 1；
Fig. 6 is the schematic diagram through bearing of the disassembling fixture shown in Fig. 1；
Fig. 7 is the schematic diagram of the disassembling fixture dismounting bearing shown in Fig. 1.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Fig. 1 is the structure chart of a kind of disassembling fixture that the embodiment of the present invention provides, this disassembling fixture is for dismantling the bearing being positioned at long cylinder or long tube, Fig. 2 is the structure chart of a kind of installing rack that the embodiment of the present invention provides, in conjunction with Fig. 1 and Fig. 2, this disassembling fixture includes support bar 1, installing rack 2 and elastic card claw 3, one end of installing rack 2 is vertically fixedly connected on one end end face of support bar 1, the other end of installing rack 2 is provided with can the elastic card claw 3 of opening and closing, the opening and closing direction of elastic card claw 3 is towards support bar 1, elastic card claw 3 includes least one set jaw components 30, often group jaw components 30 includes again claw body 31 and flexible member 301, claw body 31 is hinged on installing rack 2, one end of flexible member 301 is arranged on installing rack 2, the other end of flexible member 301 is arranged on claw body 31, installing rack 2 is additionally provided with the stop configurations 23 for preventing elastic card claw 3 opening angle excessive, support bar 1 and stop configurations 23 lay respectively at the both sides of elastic card claw 3.
The embodiment of the present invention connects installing rack by fixing in one end of support bar, the other end of installing rack be provided with can the elastic card claw of opening and closing and the opening and closing direction of elastic card claw towards support bar, installing rack is additionally provided with the stop configurations for preventing elastic card claw opening angle excessive, so, when bearing is inserted in one end of disassembling fixture installing rack, elastic card claw can close up to support bar, make installing rack and elastic card claw can pass through bearing, and after bearing, elastic card claw is flared under the elastic force of flexible member and is resisted against in stop configurations, last need to pull out support bar, elastic card claw is made to be pressed on bearing face, bearing can be dismantled taking-up smoothly in long cylinder or long tube.
It should be noted that, Fig. 1 Elastic claw 3 includes 4 jaw components 30,4 jaw components 30 are evenly arranged along the circumferencial direction of installing rack 2 termination, arranging 4 jaw components 30 can so that the active force of bearing be more balanced by disassembling fixture, avoid bearing owing to being blocked tighter and tighter by force unbalance in long cylinder or long tube, in addition it is also possible to arrange the jaw components 30 of other quantity, for instance 3.
As shown in Figure 1, the face of claw body 31 stop configurations 23 side dorsad is the first plane 31a, when elastic card claw 3 is resisted against in stop configurations 23, first plane 31a is perpendicular to the axis of installing rack 2, the face of claw body 31 stop configurations 23 side dorsad is set to plane, and when elastic card claw 3 is resisted against in stop configurations 23, first plane 31a is vertical with the axis of installing rack 2, can increase when bearing is pulled out, the contact area of elastic card claw 3 and bearing face, thus the pressure reduced on bearing face, avoid owing to the end face pressure of bearing is excessive and damage bearing.
Further, the one side of claw body 31 first plane 31a dorsad is second 32a, second 32a is cambered surface or inclined-plane, so can so that when by installing rack 2 and elastic card claw 3 traverse bearing, elastic card claw 3 is easier to close up under bearing is to the thrust of elastic card claw 3.
Refer again to Fig. 1, hinged by straight pin 21 between claw body 31 and installing rack 2, the dismounting of straight pin 21 and install simple and convenient.
As shown in Figure 1, flexible member 301 is spring, often group jaw components 30 includes two springs, two springs are arranged in the both sides of claw body 31, one end of two springs is arranged on installing rack 2 by the first short pin 22, the other end of two springs is connected on claw body 31 respectively through a second short pin 33, make elastic card claw 3 be flared to be resisted against in stop configurations 23 by arranging two springs, so, claw body 31 both sides are respectively arranged with a stress point, and the stress of claw body 31 balances more.
It is envisioned that the two ends of spring can also adopt other modes to be separately fixed on installing rack 2 and claw body 31, meanwhile, in order to ensure that two springs are equal to the active force of claw body 31, the spring that model is identical should be selected.
Additionally, flexible member 301 can also be torsion spring, torsion spring can be sleeved on straight pin 21, and two spikes of torsion spring are separately fixed on installing rack 2 and claw body 31.
Preferably, disassembling fixture also includes extension bar 5, and one end of extension bar 5 and support bar 1 installing rack 2 dorsad removably connects, by arranging extension bar 5, it is possible to convenient dismounting is positioned at long cylinder or the bearing of long tube deeper.
It is conceivable that, multiple extension bar 5 can be set, removably connect between two extension bars 5, the entire length of disassembling fixture can be strengthened, it is simple to dismounting is positioned at long cylinder or the bearing of long tube deeper, adopts the mode that multiple extension bar 5 splices simultaneously by the splicing of multiple extension bars 5, the length of each section of extension bar 5 can be reduced, save space, convenient placement when not in use, also allow for carrying simultaneously.
Specifically, Fig. 3 is the structure chart of a kind of extension bar that the embodiment of the present invention provides, Fig. 4 is the structure chart of a kind of support bar that the embodiment of the present invention provides, in conjunction with Fig. 3 and Fig. 4, one end of support bar 1 installing rack 2 dorsad is provided with female thread, one end of extension bar 5 is provided with the external screw thread suitable with female thread, by arranging suitable screw thread on support bar 1 and extension bar 5, quickly splicing and the dismounting of extension bar 5 and support bar 1 can be realized, screw thread on support bar 1 is set to female thread simultaneously, the scuffing that will be likely to user is caused when being set to external screw thread on support bar 1 can be avoided, user is facilitated to hold.
Further, threadedly it is connected between installing rack 2 with support bar 1, installing rack 2 and support bar 1 are set to demountable Split type structure, can so that when dismantling various sizes of bearing, it is only necessary to change corresponding installing rack 2 (elastic card claw 3 is changed) together with installing rack 2.
Further, support bar 1 two ends are female thread, and the female thread at support bar 1 two ends is set to identical female thread so that the female thread at support bar 1 two ends both with the threaded engagement on extension bar 5, can also facilitate the assembling of disassembling fixture with the threaded engagement on installing rack 2.
Additionally, be provided with anti-skid design on support bar 1, increasing the surface roughness of support bar 1, to facilitate user to hold, can also arrange anti-skid design on extension bar 5 simultaneously, its principle is identical with the anti-skid design on support bar 1 with effect.
Fig. 5 is schematic diagram when closing up of the disassembling fixture elastic card claw shown in Fig. 1, and Fig. 6 is the schematic diagram through bearing of the disassembling fixture shown in Fig. 1, and Fig. 7 is the schematic diagram of the disassembling fixture dismounting bearing shown in Fig. 1.The use procedure of the disassembling fixture that the embodiment of the present invention provides is briefly described below in conjunction with Fig. 5～7:
1. installing rack one end of disassembling fixture is passed inwardly through bearing b along the axial direction of long tube a；
2., after elastic card claw 3 being passed completely through bearing b, elastic card claw 3 is pressed on the end face of bearing b；
3. pull out support bar 1 along the axis direction of long tube a, bearing b is taken out.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (10)
1. a disassembling fixture, described disassembling fixture is for dismantling the bearing being positioned at long cylinder or long tube, it is characterized in that, described disassembling fixture includes support bar (1), installing rack (2) and elastic card claw (3), one end of described installing rack (2) is vertically fixedly connected on one end end face of described support bar (1), the other end of described installing rack (2) is provided with can the described elastic card claw (3) of opening and closing, the opening and closing direction of described elastic card claw (3) is towards described support bar (1), described elastic card claw (3) includes least one set jaw components (30), often organize described jaw components (30) and include again claw body (31) and flexible member (301), described claw body (31) is hinged on described installing rack (2), one end of described flexible member (301) is arranged on described installing rack (2), the other end of described flexible member (301) is arranged on described claw body (31), described installing rack (2) is additionally provided with the stop configurations (23) for preventing described elastic card claw (3) opening angle excessive, described support bar (1) and described stop configurations (23) lay respectively at the both sides of described elastic card claw (3).
2. disassembling fixture according to claim 1, it is characterized in that, the face of described claw body (31) described stop configurations (23) side dorsad is the first plane (31a), when described elastic card claw (3) is resisted against in described stop configurations (23), described first plane (31a) is perpendicular to the axis of described installing rack (2).
3. disassembling fixture according to claim 2, it is characterized in that, the one side of described claw body (31) described first plane (31a) dorsad is second (32a), and described second (32a) is cambered surface or inclined-plane.
4. disassembling fixture according to claim 3, it is characterised in that hinged by straight pin (21) between described claw body (31) and described installing rack (2).
5. disassembling fixture according to claim 1, it is characterised in that described flexible member (301) is spring.
6. disassembling fixture according to claim 1, it is characterized in that, described disassembling fixture also includes one end of extension bar (5), described extension bar (5) and described support bar (1) described installing rack (2) dorsad and removably connects.
7. disassembling fixture according to claim 6, it is characterized in that, one end of described support bar (1) described installing rack (2) dorsad is provided with female thread, and one end of described extension bar (5) is provided with the external screw thread suitable with described female thread.
8. disassembling fixture according to claim 7, it is characterised in that be threadedly connected between described installing rack (2) with described support bar (1).
9. disassembling fixture according to claim 1, it is characterized in that, described elastic card claw (3) includes 4 described jaw components (30), and 4 described jaw components (30) are evenly arranged along the circumferencial direction of described installing rack (2) termination.
10. disassembling fixture according to claim 1, it is characterised in that described support bar is provided with anti-skid design on (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610167570.9A CN105710832B (en) | 2016-03-23 | 2016-03-23 | A kind of disassembling fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610167570.9A CN105710832B (en) | 2016-03-23 | 2016-03-23 | A kind of disassembling fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105710832A true CN105710832A (en) | 2016-06-29 |
| CN105710832B CN105710832B (en) | 2018-01-26 |
Family
ID=56157975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610167570.9A Active CN105710832B (en) | 2016-03-23 | 2016-03-23 | A kind of disassembling fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105710832B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106078617A (en) * | 2016-08-23 | 2016-11-09 | 中冶陕压重工设备有限公司 | A kind of self-locking three-jaw pulls out valve device |
| CN108094249A (en) * | 2017-12-27 | 2018-06-01 | 无锡金铭祥机械有限公司 | A kind of pet automatic water supply system |
| CN110150982A (en) * | 2017-04-25 | 2019-08-23 | 吕一让 | Spout filter screen and manufacturing method thereof |
| CN114670147A (en) * | 2020-12-24 | 2022-06-28 | 重庆东科模具制造有限公司 | Hammering type detaching tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3519660C2 (en) * | 1985-06-01 | 1987-03-19 | M A N Nutzfahrzeuge GmbH, 8000 München | Internal puller for bearings, sealing rings, bushings, etc. |
| CN2094416U (en) * | 1990-10-11 | 1992-01-29 | 内江市工具厂 | Top puller |
| TW506495U (en) * | 2001-12-28 | 2002-10-11 | Yan Cherng Ind Co Ltd | Bearing remover |
| KR20020080711A (en) * | 2001-04-17 | 2002-10-26 | 기아자동차주식회사 | Tool for stripping outer race of hub bearing |
| CN2701594Y (en) * | 2004-05-19 | 2005-05-25 | 李处宝 | Drawing device |
| CN203254362U (en) * | 2013-05-14 | 2013-10-30 | 力达(中国)机电有限公司 | Bearing puller |
-
2016
- 2016-03-23 CN CN201610167570.9A patent/CN105710832B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3519660C2 (en) * | 1985-06-01 | 1987-03-19 | M A N Nutzfahrzeuge GmbH, 8000 München | Internal puller for bearings, sealing rings, bushings, etc. |
| CN2094416U (en) * | 1990-10-11 | 1992-01-29 | 内江市工具厂 | Top puller |
| KR20020080711A (en) * | 2001-04-17 | 2002-10-26 | 기아자동차주식회사 | Tool for stripping outer race of hub bearing |
| TW506495U (en) * | 2001-12-28 | 2002-10-11 | Yan Cherng Ind Co Ltd | Bearing remover |
| CN2701594Y (en) * | 2004-05-19 | 2005-05-25 | 李处宝 | Drawing device |
| CN203254362U (en) * | 2013-05-14 | 2013-10-30 | 力达(中国)机电有限公司 | Bearing puller |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106078617A (en) * | 2016-08-23 | 2016-11-09 | 中冶陕压重工设备有限公司 | A kind of self-locking three-jaw pulls out valve device |
| CN106078617B (en) * | 2016-08-23 | 2018-04-24 | 中冶陕压重工设备有限公司 | A kind of self-locking three-jaw pulls out valve device |
| CN110150982A (en) * | 2017-04-25 | 2019-08-23 | 吕一让 | Spout filter screen and manufacturing method thereof |
| CN110150982B (en) * | 2017-04-25 | 2021-03-02 | 吕一让 | Spout filter screen and manufacturing method thereof |
| CN108094249A (en) * | 2017-12-27 | 2018-06-01 | 无锡金铭祥机械有限公司 | A kind of pet automatic water supply system |
| CN114670147A (en) * | 2020-12-24 | 2022-06-28 | 重庆东科模具制造有限公司 | Hammering type detaching tool |
| CN114670147B (en) * | 2020-12-24 | 2024-03-29 | 重庆东科模具制造有限公司 | Hammering type dismounting tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105710832B (en) | 2018-01-26 |
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