CN103481237A - Adjustable puller - Google Patents
Adjustable puller Download PDFInfo
- Publication number
- CN103481237A CN103481237A CN201310498023.5A CN201310498023A CN103481237A CN 103481237 A CN103481237 A CN 103481237A CN 201310498023 A CN201310498023 A CN 201310498023A CN 103481237 A CN103481237 A CN 103481237A
- Authority
- CN
- China
- Prior art keywords
- locating flange
- positioning flange
- contiguous block
- drawing cover
- pulling
- 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
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- 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
- B25B27/023—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 using screws
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- 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
Abstract
The invention discloses an adjustable puller and relates to a disassembling tool for shaft and sleeve parts in machines. The adjustable puller is provided with a pulling sleeve; a lower positioning flange is arranged at the lower end part of the pulling sleeve; an upper positioning flange capable of sliding up and down along the pulling sleeve is arranged on the pulling sleeve above the lower positioning flange; the upper positioning flange and the lower positioning flange are provided with opposite ring-shaped clamping grooves; at least three connecting blocks are arranged between the upper positioning flange and the lower positioning flange and are provided with pulling-claw connecting holes; the upper sides and the lower sides of the connecting blocks are provided with arc-shaped clamping blocks matched with the ring-shaped clamping grooves in the upper positioning flange and the lower positioning flange; the clamping blocks are embedded in the ring-shaped ring grooves; opposite fastening connecting holes are uniformly formed in the upper positioning flange and the lower positioning flange and are internally provided with connecting bolts. The adjustable puller disclosed by the invention has the advantages that the structure is simple and is easily processed; the application range of the pulling sleeve can be expanded by improvement on the quantity and the positions of the connecting blocks. Since the arc-shaped design is adopted for the inner surfaces of the connecting blocks, the tensile strength and the shearing resistance are enhanced, so that the adjustable puller is especially suitable for a manual puller with relatively large pulling force.
Description
Technical field
The present invention relates to the extracting tool of mechanical axis class and cover base part, say in detail it is a kind of simple in structure, easy to use, applied widely, the adjustable drawbench that operating efficiency is high.
Background technology
We know, in the dismounting of big machinery, maintenance, the dismounting of its axle class and cover base part adopts the drawbench dismounting more.Existing drawbench comprises tubulose drawing cover and pulling claw, tubulose drawing cover inside is provided with connecting thread, the structure of pulling claw is to be provided with drive link, the drive link front end is provided with the drag hook matched with the edge of dismantling parts or withdrawing pattern hole, stress hole, it is outside that the pulling claw rearward end is fixedly connected with or is hinged on the drawing cover, during use, the drawing cover with leading screw through being threaded, the drag hook of pulling claw is hooked on the dismounting edge of parts or withdrawing pattern hole, stress hole, the driving leading screw moves forwards or backwards, and leading screw pushes or pull drawing cover, drive pulling claw that parts are pulled out from machinery.This drawbench is generally two pawls or three-jaw drawbench, the outward flange that is applicable to the drawing small parts, can't be by the outward flange drawing, in the time of can only passing through withdrawing pattern hole or the drawing of stress hole when relatively large workpiece, on drawbench, the quantity of pulling claw is corresponding with the drawing hole on workpiece.Like this, it is limited that the drawbench of fixed qty pulling claw is used, and machine repairing department need to be equipped with multiple drawbench, at least needs to be equipped with two pawls, three-jaw, five pawls, four kinds of chest expanders of seven pawls, expense is high, storage, use inconvenient.As use unmatched drawbench to dismantle mechanical part, unbalance stress, fragile drawbench and mechanical part.
Summary of the invention
The objective of the invention is to solve above-mentioned the deficiencies in the prior art, provide a kind of simple in structure, easy to use, applied widely, the adjustable drawbench that operating efficiency is high.
The present invention solves the problems of the technologies described above adopted technical scheme:
A kind of adjustable drawbench, be provided with the drawing cover, it is characterized in that drawing cover bottom is provided with lower locating flange, the drawing of lower locating flange top puts and is provided with the upper locating flange that can slide up and down along the drawing cover, upper locating flange is provided with relative annular slot with lower locating flange, be provided with at least three contiguous blocks between upper locating flange and lower locating flange, contiguous block is provided with the pulling claw connecting hole, the upper and lower both sides of contiguous block are provided with and upper locating flange, the arc clamping block that annular slot on lower locating flange matches, clamping block is embedded in annular slot, upper locating flange be evenly equipped with the relative hole that is fastenedly connected on lower locating flange, be fastenedly connected in hole and be provided with connecting bolt.
Annular slot described in the present invention is to be provided with annular breach with drawing cover contact position on upper locating flange and lower locating flange, and annular breach and the drawing cover outside surround annular slot.
The arc clamping block of the upper and lower both sides of contiguous block described in the present invention is: the arc clamping block fitted with the drawing cover that the contiguous block inboard is provided with up and down outstanding contiguous block.
The outside, drawing cover bottom described in the present invention is provided with along the deck of drawing cover radial protrusion, and lower locating flange is set in drawing and puts and be stuck on deck
During use, loosening connecting bolt, regulate the position that contiguous block made progress in annular slot week, withdrawing pattern hole on itself and workpiece to be removed is complementary, then be fastenedly connected bolt and make locating flange compress and be fixedly connected with piece with lower locating flange, will with workpiece to be removed on the be complementary pulling claw of number of withdrawing pattern hole through the pulling claw connecting hole, be connected on contiguous block.Again by the drawing cover with leading screw through being threaded, the drag hook of pulling claw is hooked on the withdrawing pattern hole, stress hole of dismounting parts, drives leading screw to move forwards or backwards, leading screw pushes or pull the drawing cover, drive pulling claw pulls out parts from machinery.By the adjusting of contiguous block number and position, can recall and be applicable to the drawbench that various plant equipment are used, make it there are two functions to the multiple drawbench of seven pulling claws, the scope of application is wide.Only drawbench can complete the function of multiple drawbench, have simple in structure, easy to use, applied widely, the advantage that operating efficiency is high.By the adjusting of contiguous block number and position, recall the drawbench be complementary with plant equipment, not fragile drawbench and mechanical part.
The present invention's easy processing simple in structure, draw the horse device applicable to all kinds.Draw contiguous block number and position by improvement, can expand the scope of application of drawing cover.The design of contiguous block inner surface circular arc type, increase tension, anti-shearing force.Be particularly suitable for the manual drawbench that pulling capacity is larger.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is perspective view of the present invention.
Fig. 4 is explosive view of the present invention.
Fig. 5 is the structural representation of the pulling claw that is used in conjunction with of a kind of and the present invention.
The specific embodiment
As Fig. 1, Fig. 2, Fig. 3, adjustable drawbench shown in Fig. 4, be provided with drawing cover 2, drawing cover 2 in a tubular form, inside is provided with connecting thread, drawing is overlapped 2 bottoms and is provided with lower locating flange 5, the drawing of lower locating flange 5 tops puts and is provided with the upper locating flange 3 that can slide up and down along the drawing cover, upper locating flange 3 is provided with relative annular slot 7 with lower locating flange 5, 8, be provided with at least three contiguous blocks 4 between upper locating flange and lower locating flange, contiguous block 4 is provided with the pulling claw connecting hole, the upper and lower both sides of contiguous block are provided with and upper locating flange, the arc clamping block that annular slot on lower locating flange matches, clamping block is embedded in annular slot, clamping block can circumferentially slide in annular slot, from Fig. 2, Fig. 3, in Fig. 4, can find out, described annular slot is to be provided with annular breach with drawing cover contact position on upper locating flange and lower locating flange, annular breach and the drawing cover outside surround annular slot, the arc clamping block of the upper and lower both sides of described contiguous block is: the arc clamping block fitted with the drawing cover that the contiguous block inboard is provided with up and down outstanding contiguous block, the processing of this kind of structure is simple, convenient, and good integrity, intensity are high.Upper locating flange be evenly equipped with the relative hole that is fastenedly connected on lower locating flange, be fastenedly connected in hole and be provided with connecting bolt, upper locating flange and lower locating flange are pressed on contiguous block through connecting bolt, connect and are integrated.The outside, described drawing cover bottom is provided with along the deck of drawing cover radial protrusion, and lower locating flange is set in drawing and puts and be stuck on deck.Can be also that lower locating flange and drawing cover are made one.
During use, loosening connecting bolt, regulate the number of contiguous block and/or the position made progress in annular slot week, withdrawing pattern hole on itself and workpiece to be removed is complementary, then be fastenedly connected bolt and make locating flange compress and be fixedly connected with piece with lower locating flange, will with workpiece to be removed on the be complementary pulling claw of number of withdrawing pattern hole through the pulling claw connecting hole, be connected on contiguous block; Fig. 5 has provided a kind of structural representation of pulling claw, the connecting pin matched with the pulling claw connecting hole of contiguous block in the rearward end setting that has pulling claw now; Can be also that rearward end at pulling claw arranges the connection draw-in groove with jack, insert with coupling bar in the connecting hole of the jack that connects draw-in groove and contiguous block, contiguous block and pulling claw are hinged.Again by the drawing cover with leading screw through being threaded, the drag hook of pulling claw is hooked on the withdrawing pattern hole, stress hole of dismounting parts, drives leading screw to move forwards or backwards, leading screw pushes or pull the drawing cover, drive pulling claw pulls out parts from machinery.By the adjusting of contiguous block number and position, can recall and be applicable to the drawbench that various plant equipment are used, make it there are two functions to the multiple drawbench of seven pulling claws, the scope of application is wide.Only drawbench can complete the function of multiple drawbench, have simple in structure, easy to use, applied widely, the advantage that operating efficiency is high.By the adjusting of contiguous block number and position, recall the drawbench be complementary with plant equipment, not fragile drawbench and mechanical part.
The present invention's easy processing simple in structure, draw the horse device applicable to all kinds.Draw contiguous block number and position by improvement, can expand the scope of application of drawing cover.The design of contiguous block inner surface circular arc type, increase tension, anti-shearing force.
Claims (4)
1. an adjustable drawbench, be provided with the drawing cover, it is characterized in that drawing cover bottom is provided with lower locating flange, the drawing of lower locating flange top puts and is provided with the upper locating flange that can slide up and down along the drawing cover, upper locating flange is provided with relative annular slot with lower locating flange, be provided with at least three contiguous blocks between upper locating flange and lower locating flange, contiguous block is provided with the pulling claw connecting hole, the upper and lower both sides of contiguous block are provided with and upper locating flange, the arc clamping block that annular slot on lower locating flange matches, clamping block is embedded in annular slot, upper locating flange be evenly equipped with the relative hole that is fastenedly connected on lower locating flange, be fastenedly connected in hole and be provided with connecting bolt.
2. adjustable drawbench according to claim 1, is characterized in that described annular slot is to be provided with annular breach with drawing cover contact position on upper locating flange and lower locating flange, and annular breach and the drawing cover outside surround annular slot.
3. adjustable drawbench according to claim 1 and 2 is characterized in that the arc clamping block of the upper and lower both sides of described contiguous block is: the arc clamping block fitted with the drawing cover that the contiguous block inboard is provided with outstanding contiguous block up and down.
4. adjustable drawbench according to claim 3, is characterized in that the outside, described drawing cover bottom is provided with along the deck of drawing cover radial protrusion, and lower locating flange is set in drawing and puts and be stuck on deck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310498023.5A CN103481237B (en) | 2013-10-22 | 2013-10-22 | Adjustable drawbench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310498023.5A CN103481237B (en) | 2013-10-22 | 2013-10-22 | Adjustable drawbench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103481237A true CN103481237A (en) | 2014-01-01 |
| CN103481237B CN103481237B (en) | 2016-05-11 |
Family
ID=49822010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310498023.5A Expired - Fee Related CN103481237B (en) | 2013-10-22 | 2013-10-22 | Adjustable drawbench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103481237B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109773712A (en) * | 2019-03-29 | 2019-05-21 | 广西玉柴机器股份有限公司 | A kind of disassembling cylinder jacket device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2095746U (en) * | 1991-05-04 | 1992-02-12 | 孙焕章 | Multi-purpose chest expander |
| DE102007001076A1 (en) * | 2007-01-04 | 2008-07-10 | Müller, Michael | Tool for removing bearings, bushes or similar has holder and spindle coupled so holder is moved axially by operating spindle to apply pulling force and/or pressing force to part to be removed |
| CN101434061A (en) * | 2008-12-11 | 2009-05-20 | 奇瑞汽车股份有限公司 | Drawing device |
| CN201900619U (en) * | 2010-12-31 | 2011-07-20 | 广东嘉士利食品集团有限公司 | Dedicated puller for disassembling magnetic excitation device |
| US8443500B2 (en) * | 2010-06-09 | 2013-05-21 | Poul Chang Metal Industry Co., Ltd. | Universal rubber bushing extraction tool |
| CN203092469U (en) * | 2013-01-23 | 2013-07-31 | 常州信息职业技术学院 | Puller |
| CN203510093U (en) * | 2013-10-22 | 2014-04-02 | 刘潍 | Adjustable drawing device |
-
2013
- 2013-10-22 CN CN201310498023.5A patent/CN103481237B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2095746U (en) * | 1991-05-04 | 1992-02-12 | 孙焕章 | Multi-purpose chest expander |
| DE102007001076A1 (en) * | 2007-01-04 | 2008-07-10 | Müller, Michael | Tool for removing bearings, bushes or similar has holder and spindle coupled so holder is moved axially by operating spindle to apply pulling force and/or pressing force to part to be removed |
| CN101434061A (en) * | 2008-12-11 | 2009-05-20 | 奇瑞汽车股份有限公司 | Drawing device |
| US8443500B2 (en) * | 2010-06-09 | 2013-05-21 | Poul Chang Metal Industry Co., Ltd. | Universal rubber bushing extraction tool |
| CN201900619U (en) * | 2010-12-31 | 2011-07-20 | 广东嘉士利食品集团有限公司 | Dedicated puller for disassembling magnetic excitation device |
| CN203092469U (en) * | 2013-01-23 | 2013-07-31 | 常州信息职业技术学院 | Puller |
| CN203510093U (en) * | 2013-10-22 | 2014-04-02 | 刘潍 | Adjustable drawing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109773712A (en) * | 2019-03-29 | 2019-05-21 | 广西玉柴机器股份有限公司 | A kind of disassembling cylinder jacket device |
| CN109773712B (en) * | 2019-03-29 | 2024-02-09 | 广西玉柴机器股份有限公司 | Cylinder jacket dismounting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103481237B (en) | 2016-05-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhao Han Inventor after: Zhang Jian Inventor after: Dong Chaoqing Inventor after: Gao Zhuo Inventor after: Wang Yajun Inventor after: Shang Liwei Inventor after: Zhou Yufeng Inventor before: Liu Wei Inventor before: Cui Xiaoxiong Inventor before: Zheng Zeyu Inventor before: Chen Yingying |
|
| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20181022 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |