CN103241648A - Vertical hoisting tool for piston pin - Google Patents
Vertical hoisting tool for piston pin Download PDFInfo
- Publication number
- CN103241648A CN103241648A CN2013101907774A CN201310190777A CN103241648A CN 103241648 A CN103241648 A CN 103241648A CN 2013101907774 A CN2013101907774 A CN 2013101907774A CN 201310190777 A CN201310190777 A CN 201310190777A CN 103241648 A CN103241648 A CN 103241648A
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- expansion sleeve
- elastic expansion
- jacking block
- piston pin
- bolt
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Abstract
The invention discloses a piston pin vertical hoisting tool, which comprises a ring bolt, an adjusting bolt, an elastic expansion sleeve, a conical jacking block and a conical jacking block anti-rotation mechanism, wherein the hoisting bolt is fixed at the upper end of the adjusting bolt, the adjusting bolt penetrates through the elastic expansion sleeve, and the lower end of the adjusting bolt is in threaded connection with the upper end of the conical jacking block; a plurality of axial elastic grooves are uniformly distributed on the lower portion of the elastic expansion sleeve, an upper guide section and a lower expansion section radially extend from the upper end and the lower end of the elastic expansion sleeve respectively, an inner conical hole in the lower end of the lower expansion section is matched with an outer conical surface in the middle of the conical ejecting block, and the conical ejecting block anti-rotation mechanism is arranged at the lower end of the elastic expansion sleeve. The invention has the advantages of light and compact structure, low manufacturing cost and safe and convenient use, and can quickly finish the clamping and hoisting or loosening and unloading of the piston pin by only one person. The auxiliary processing cost of the piston pin is reduced, the working efficiency is improved by more than 3 times, and the whole operation process is labor-saving, safe and reliable.
Description
Technical field
The present invention relates to a kind of handling frock of internal combustion engine part, particularly a kind of handling frock of transporting piston pin in each cutting operation belongs to the lifting gear technical field.
Background technology
Piston pin is used for connecting piston and the connecting rod of combustion engine, and the detonating gas application force that piston bears is passed to connecting rod, is the strength member of combustion engine transferring power.Be provided with the cylindrical structure of through hole centered by the piston pin, behind the superfine milling cylindrical, piston pin needs handling to surface frinding machine, is that benchmark clamps back correct grinding two end faces up and down with built-up jig with its cylindrical.Because the piston pin load is bigger, the strained condition complexity is concentrated for fear of stress, not can be used for the fixedly tapped bore of lifting eye bolt on the piston pin end face, and piston pin weighs about 20kg, expresses Ra0.08 through the outer round surface roughness of superfine milling, and is very smooth.Must can't directly use the handling of lifting rope at clamping under the plumbness during piston pin cross grinding.Influence after the handling with built-up jig clamping piston pin though the also vertical handling piston pin of available magnetic force suspender, magnetic force hanger structure are big, complex structure, price are more expensive, and the remanent magnetism that does not move back in the piston pin influences its in-use performance.Existingly piston pin is transported to the method that surface frinding machine carries out end face fine-grinding is, two people cooperatively interact, and lift after embracing piston pin one end separately, and two people's simultaneous actions just can be finished the piston pin transhipment.In this process, often take place that the piston pin slippage weighs employee finger wounded or the piston pin surface or smash the accident of built-up jig of damaging.
Summary of the invention
The purpose of this invention is to provide a kind of structure piston pin small and exquisite, safe and convenient to use and vertically lift by crane frock, improve the safety of handling.
The present invention is achieved by the following technical programs:
A kind of piston pin vertically lifts by crane frock, comprises lifting eye bolt, regulates bolt, elastic expansion sleeve, taper jacking block and taper jacking block rotation-preventing mechanism, captives joint with adjusting bolt upper end in described lifting eye bolt lower end; After described adjusting bolt passed elastic expansion sleeve, its lower end was threaded with taper jacking block upper end; The axial elastic trough that open uniform several upper end closeds lower end, described elastic expansion sleeve bottom, upper and lower end radially extend the last guide section of side face and gudgeon pin bore free-running fit and following swelling section respectively, the described internal tapered hole of swelling section lower end down is resisted against on the male-tapered face at taper jacking block middle part, and described taper jacking block rotation-preventing mechanism is arranged on the lower end of elastic expansion sleeve.
Purpose of the present invention can also further realize by following technical measures.
Aforesaid piston pin vertically lifts by crane frock, wherein said taper jacking block rotation-preventing mechanism comprises several anti-rotating pins and several anti-rotation grooves corresponding with anti-rotating pin respectively, described several anti-rotation groove is distributed on the elastic expansion sleeve bottom, several anti-rotating pin one ends are horizontal in the anti-rotation groove of correspondence respectively, and several anti-rotating pin other ends are vertically fixed on respectively in the taper jacking block upper end.
Aforesaid piston pin vertically lifts by crane frock, and wherein said several anti-rotation grooves and several axial elastic trough are crisscross arranged.
Aforesaid piston pin vertically lifts by crane frock, and wherein said elastic expansion sleeve top is polyhedral structure.
The light and handy compactness of structure of the present invention, low cost of manufacture, safe and convenient to use, fixedly bolt is regulated in elastic expansion sleeve, rotation only to need a people to use two common wrench simultaneously, just can after radially increasing, the following swelling section that makes elastic expansion sleeve under the combined action of regulating bolt and taper jacking block tightly push down gudgeon pin bore, utilize increase or the disappearance of the static friction force between elastic expansion sleeve and the gudgeon pin bore, the lifting of finishing piston pin fast clamps or loosens unloading, thereby can handling or unload piston pin.Not only can reduce by a labour power when the present invention uses, reduce the processing supplementary costs of piston pin, also can make work efficiency improve more than 3 times.And operating process is laborsaving, safe, reliable, avoid weighing wounded the accident of bearer's finger, reached and carried out production strictly in line with rules and regulations and the double effects of cost efficiency.
Advantage of the present invention and characteristics will be carried out the figure explanation by the non-limitative illustration of following preferred embodiment, and these embodiment only provide as an example with reference to accompanying drawing.
Description of drawings
Fig. 1 is the cutaway view that adopts handling piston pin of the present invention;
Fig. 2 is the A-A cutaway view Amplified image of Fig. 1.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples.
As depicted in figs. 1 and 2, the present invention includes lifting eye bolt 1, regulate bolt 2, elastic expansion sleeve 3, taper jacking block 4 and taper jacking block rotation-preventing mechanism 5, regulate bolt 2 and pass elastic expansion sleeve 3, its top is provided with is convenient to the six-sided head 21 that spanner blocks, when regulating bolt 2 rotations with assurance, elastic expansion sleeve 3 can not rotate thereupon; Six-sided head 21 lower ends are provided with the positioning table 22 that radially extends, and positioning table 22 is resisted against on the upper surface of elastic expansion sleeve 3, regulate can not be moved when bolt 2 rotates with assurance.Lifting eye bolt 1 lower end is fixed on by being threaded regulates bolt 2 upper ends, regulates bolt 2 lower ends and is threaded with taper jacking block 4 upper ends.
Elastic expansion sleeve 3 tops are polyhedral structure, and present embodiment is the six-sided head 31 that available spanner blocks, and also can be the tetragonal body structure.The axial elastic trough 32 that open 3 upper end closed lower ends of elastic expansion sleeve 3 bottom radial equipartitions, on the elastic expansion sleeve 3, the lower end is radially extended last guide section 33 and the following swelling section 34 of side face and gudgeon pin bore 61 free-running fits respectively, 33 pairs of last guide sections are put into the elastic expansion sleeve 3 of gudgeon pin bore 61 and are played a supporting role, the internal tapered hole 341 of following swelling section 34 lower ends and the male-tapered face 41 at taper jacking block 4 middle parts match, following swelling section 34 is subjected to distending after the extruding of taper jacking block 4, utilize the increase effect of the positive pressure of the 34 pairs of gudgeon pin bores 61 of following swelling section behind the distending, make following swelling section 34 and the static friction force between the gudgeon pin bore 61 of elastic expansion sleeve 3 increase, when this static friction force during much larger than the gravity of piston pin 6, just can be with piston pin 6 mobile when elastic expansion sleeve 3 moves up and down, namely available loop wheel machine is by lifting rope and lifting eye bolt 1 handling piston pin 6.
Taper jacking block rotation-preventing mechanism 5 is arranged on the lower end of elastic expansion sleeve 3, taper jacking block rotation-preventing mechanism 5 comprise 3 anti-rotating pins 51 and with 33 anti-rotation grooves 52 that anti-rotating pin is corresponding, 3 anti-rotation grooves 52 are distributed on elastic expansion sleeve 3 bottoms, 3 anti-rotating pin 51 1 ends are horizontal in the anti-rotation groove 52 of correspondence respectively, and the other end is vertically fixed in taper jacking block 4 upper ends by being pressed into mode respectively.As shown in Figure 2,3 axial anti-rotation grooves 52 and 3 elastic grooves are separated by 60 ° and are crisscross arranged, and rotate when regulating bolt 2, and under the effect of taper jacking block rotation-preventing mechanism 5, taper jacking block 4 is being with 3 anti-rotating pins 51 to rise or to descend along 3 anti-rotation grooves 52.
Use the present invention to clamp or to unclamp the process of piston pin 6 as follows:
Earlier the present invention is put into gudgeon pin bore 61, the operator blocks the six-sided head 31 on elastic expansion sleeve 3 tops to spanner with one then, and it can not be rotated; Clockwise rotate the six-sided head 21 of regulating bolt 2 upper ends with another spanner, regulating bolt 2 lower ends promotes to move on the taper jacking block 4 by screw thread, push the internal tapered hole 341 of elastic expansion sleeves 3 lower ends by the male-tapered face 41 at taper jacking block 4 middle parts, make and tightly push down gudgeon pin bore 61 after swelling section 34 swells down, when the static friction force between the two increases to gravity much larger than piston pin 6, by lifting rope and lifting eye bolt 1 piston pin 6 handlings are located clamping with regard to available loop wheel machine to the built-up jig of surface frinding machine, or the piston pin 6 that grinding is intact hangs surface frinding machine.Rotate counterclockwise the six-sided head 21 of regulating bolt 2 upper ends, taper jacking block 4 moves down, the internal tapered hole 341 of following swelling section 34 lower ends and the male-tapered face 41 at taper jacking block 4 middle parts disengage, squeese pressure between the two disappears, following swelling section 33 resets under the effect of elastic force, elastic expansion sleeve 3 and gudgeon pin bore 61 disengage, and just can unload piston pin 6.
In addition to the implementation, the present invention can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of requirement of the present invention.
Claims (4)
1. a piston pin vertically lifts by crane frock, it is characterized in that: comprising lifting eye bolt, regulate bolt, elastic expansion sleeve, taper jacking block and taper jacking block rotation-preventing mechanism, captives joint with adjusting bolt upper end in described lifting eye bolt lower end; After described adjusting bolt passed elastic expansion sleeve, its lower end was threaded with taper jacking block upper end; The axial elastic trough that open uniform several upper end closeds lower end, described elastic expansion sleeve bottom, the upper and lower end of elastic expansion sleeve radially extends last guide section and the following swelling section of side face and gudgeon pin bore free-running fit respectively, the described internal tapered hole of swelling section lower end down is resisted against on the male-tapered face at taper jacking block middle part, and described taper jacking block rotation-preventing mechanism is arranged on the lower end of elastic expansion sleeve.
2. piston pin as claimed in claim 1 vertically lifts by crane frock, it is characterized in that: described taper jacking block rotation-preventing mechanism comprises several anti-rotating pins and several anti-rotation grooves corresponding with anti-rotating pin respectively, described several anti-rotation groove is distributed on the elastic expansion sleeve bottom, several anti-rotating pin one ends are horizontal in the anti-rotation groove of correspondence respectively, and several anti-rotating pin other ends are vertically fixed on respectively in the taper jacking block upper end.
3. piston pin as claimed in claim 2 vertically lifts by crane frock, it is characterized in that: several anti-rotation grooves and several axial elastic trough are crisscross arranged.
4. piston pin as claimed in claim 1 vertically lifts by crane frock, it is characterized in that: described elastic expansion sleeve top is polyhedral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310190777.4A CN103241648B (en) | 2013-05-22 | 2013-05-22 | Vertical hoisting tool for piston pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310190777.4A CN103241648B (en) | 2013-05-22 | 2013-05-22 | Vertical hoisting tool for piston pin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103241648A true CN103241648A (en) | 2013-08-14 |
| CN103241648B CN103241648B (en) | 2015-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310190777.4A Active CN103241648B (en) | 2013-05-22 | 2013-05-22 | Vertical hoisting tool for piston pin |
Country Status (1)
| Country | Link |
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| CN (1) | CN103241648B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103482469A (en) * | 2013-09-18 | 2014-01-01 | 中国能源建设集团安徽电力建设第一工程公司 | Flange surface tension sling |
| CN103639735A (en) * | 2013-12-09 | 2014-03-19 | 强胜精密机械(苏州)有限公司 | Expansion type clamping device |
| CN104692239A (en) * | 2015-03-16 | 2015-06-10 | 南车戚墅堰机车有限公司 | Vertical lifting device for workpiece |
| CN105174043A (en) * | 2015-08-27 | 2015-12-23 | 内蒙古包钢钢联股份有限公司 | Clamping apparatus capable of rotating and automatically stretching out and drawing back |
| CN107265293A (en) * | 2017-06-12 | 2017-10-20 | 浙江亚太机电股份有限公司 | A kind of brake disc feeding hanging apparatus |
| CN107445053A (en) * | 2017-09-15 | 2017-12-08 | 锦萧建筑科技有限公司 | Suspender |
| CN112383199A (en) * | 2020-10-31 | 2021-02-19 | 重庆青山工业有限责任公司 | Grabbing device of motor stator assembly |
| CN114524325A (en) * | 2022-04-02 | 2022-05-24 | 常州久藤电气有限公司 | Vertical automatic transfer loading attachment of enameled wire raw materials book |
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| JPS5261050A (en) * | 1975-11-12 | 1977-05-20 | Hitachi Ltd | Device for hanging tubular container |
| JPS53137479U (en) * | 1977-04-04 | 1978-10-31 | ||
| JPS56116379U (en) * | 1980-02-06 | 1981-09-05 | ||
| CN2555263Y (en) * | 2001-10-31 | 2003-06-11 | 天津港第五港埠公司 | Internal expanding-hole spreader for news paper |
| CN201183711Y (en) * | 2008-01-09 | 2009-01-21 | 汕头市壮丽印刷有限公司 | Reel drum film hoisting device |
| CN102313485A (en) * | 2011-09-09 | 2012-01-11 | 重庆建设工业(集团)有限责任公司 | Horse device for sniper rifle |
| CN202518940U (en) * | 2012-02-06 | 2012-11-07 | 中天启明石油技术有限公司 | Tool special for lifting |
| CN203333156U (en) * | 2013-05-22 | 2013-12-11 | 镇江中船设备有限公司 | Tooling for vertically lifting piston pin |
-
2013
- 2013-05-22 CN CN201310190777.4A patent/CN103241648B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5261050A (en) * | 1975-11-12 | 1977-05-20 | Hitachi Ltd | Device for hanging tubular container |
| JPS53137479U (en) * | 1977-04-04 | 1978-10-31 | ||
| JPS56116379U (en) * | 1980-02-06 | 1981-09-05 | ||
| CN2555263Y (en) * | 2001-10-31 | 2003-06-11 | 天津港第五港埠公司 | Internal expanding-hole spreader for news paper |
| CN201183711Y (en) * | 2008-01-09 | 2009-01-21 | 汕头市壮丽印刷有限公司 | Reel drum film hoisting device |
| CN102313485A (en) * | 2011-09-09 | 2012-01-11 | 重庆建设工业(集团)有限责任公司 | Horse device for sniper rifle |
| CN202518940U (en) * | 2012-02-06 | 2012-11-07 | 中天启明石油技术有限公司 | Tool special for lifting |
| CN203333156U (en) * | 2013-05-22 | 2013-12-11 | 镇江中船设备有限公司 | Tooling for vertically lifting piston pin |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103482469B (en) * | 2013-09-18 | 2015-12-02 | 中国能源建设集团安徽电力建设第一工程有限公司 | Flange face tension suspender |
| CN103482469A (en) * | 2013-09-18 | 2014-01-01 | 中国能源建设集团安徽电力建设第一工程公司 | Flange surface tension sling |
| CN103639735A (en) * | 2013-12-09 | 2014-03-19 | 强胜精密机械(苏州)有限公司 | Expansion type clamping device |
| CN104692239B (en) * | 2015-03-16 | 2017-01-18 | 南车戚墅堰机车有限公司 | Vertical lifting device for workpiece |
| CN104692239A (en) * | 2015-03-16 | 2015-06-10 | 南车戚墅堰机车有限公司 | Vertical lifting device for workpiece |
| CN105174043B (en) * | 2015-08-27 | 2017-05-10 | 内蒙古包钢钢联股份有限公司 | Clamping apparatus capable of rotating and automatically stretching out and drawing back |
| CN105174043A (en) * | 2015-08-27 | 2015-12-23 | 内蒙古包钢钢联股份有限公司 | Clamping apparatus capable of rotating and automatically stretching out and drawing back |
| CN107265293A (en) * | 2017-06-12 | 2017-10-20 | 浙江亚太机电股份有限公司 | A kind of brake disc feeding hanging apparatus |
| CN107265293B (en) * | 2017-06-12 | 2018-10-02 | 浙江亚太机电股份有限公司 | A kind of brake disc feeding hanging apparatus |
| CN107445053A (en) * | 2017-09-15 | 2017-12-08 | 锦萧建筑科技有限公司 | Suspender |
| CN112383199A (en) * | 2020-10-31 | 2021-02-19 | 重庆青山工业有限责任公司 | Grabbing device of motor stator assembly |
| CN112383199B (en) * | 2020-10-31 | 2024-04-05 | 重庆青山工业有限责任公司 | Grabbing device for motor stator assembly |
| CN114524325A (en) * | 2022-04-02 | 2022-05-24 | 常州久藤电气有限公司 | Vertical automatic transfer loading attachment of enameled wire raw materials book |
| CN114524325B (en) * | 2022-04-02 | 2023-08-25 | 常州久藤电气有限公司 | Automatic longitudinal transferring and feeding device for enamelled wire raw material roll |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103241648B (en) | 2015-09-16 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Zhenjiang City, Jiangsu Province, 212311 Kwun Tong Bridge Runzhou District Road No. 250 Patentee after: Cssc Marine Power Co., Ltd. Address before: Zhenjiang City, Jiangsu Province, 212311 Kwun Tong Bridge Runzhou District Road No. 250 Patentee before: Zhenjiang Zhongchuan Equipment Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: 212211 No. 402, Changjiang Road, Zhenjiang City, Jiangsu Province Patentee after: China Shipbuilding Power Zhenjiang Co.,Ltd. Address before: No. 250, guantangqiao Road, Runzhou District, Zhenjiang City, Jiangsu Province Patentee before: CSSC MARINE POWER Co.,Ltd. |
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| CP03 | Change of name, title or address |