CN103722526B - Piston of automobile engine link assembly moves back handler - Google Patents
Piston of automobile engine link assembly moves back handler Download PDFInfo
- Publication number
- CN103722526B CN103722526B CN201310729718.XA CN201310729718A CN103722526B CN 103722526 B CN103722526 B CN 103722526B CN 201310729718 A CN201310729718 A CN 201310729718A CN 103722526 B CN103722526 B CN 103722526B
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- CN
- China
- Prior art keywords
- piston
- slide rail
- backstays
- slide block
- diameter
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The present invention relates to a kind of piston of automobile engine link assembly and move back handler, this device comprises slide rail and two parallel to each other and vertical with slide rail backstays, the middle part of described slide rail is fixedly connected with afterburning handle, all slide block is fixed with in the upper end of two backstays, described two slide block sets are contained on described slide rail, lay respectively at the left and right sides of afterburning handle, the lower end surface of two backstays is all fixed with the guide post stretched out downwards, and the diameter of guide post is less than the diameter of bolt hole on big end.This device can positioning piston connecting rod well, solution piston rod part moves back the problem that connecting rod in the process of unloading arbitrarily swings, avoid clashing and breaking Engine Cylinder Wall, piston cooling nozzle, bearing shell and connecting rod etc., improve piston rod part to disassemble or change the outfit security, ensure the safety of operating personnel and the intact of parts.
Description
Technical field
The present invention relates to automobile engine provision for disengagement, be specifically related to a kind ofly piston to be moved back the device unloading out in cylinder.
Background technology
Engine piston is arranged in cylinder, when piston is installed, first piston and small end of connecting rod to be linked together composition piston rod part by piston pin, and then loads near cylinder cap side from cylinder.The dismounting of engine piston is then contrary process, needs firmly to be exited near cylinder cap side by cylinder together by piston rod part from cylinder near bent axle side.
Disassembling or changing the outfit in process at engine piston connecting rod assembly, due to reasons such as piston ring tensions, piston rod part is difficult to take out, and needs to adopt aid.Now general dismounting mode is, connecting rod cap first takes off by operating personnel, re-use T-shaped jacket casing on connecting-rod bolts, firmly piston rod part is ejected (namely exert all one's strength by bent axle side at cylinder, eject from cylinder by cylinder cap side) by cylinder cap side from cylinder.But in the process that piston rod part is oppositely firmly ejected, because the impetus of T-shaped sleeve on big end only has a place (T-shaped jacket casing in two connecting-rod bolts at big end place), simultaneously hinged with piston pin between small end of connecting rod and piston, cause piston rod part move back unload time connecting rod can not well locate, connecting rod easily arbitrarily swings and clashing and breaking casing wall around piston pin, T-shaped sleeve in the process of exerting all one's strength even is caused to come off (principal risk is that connecting rod swing causes) from connecting-rod bolts, clashing and breaking piston cooling nozzle, bearing shell and connecting rod etc., and easily cause the serious consequences such as operating personnel are injured.
Summary of the invention
A kind of piston of automobile engine link assembly is the object of the present invention is to provide to move back handler, this device can positioning piston connecting rod well, solution piston rod part moves back the problem that connecting rod in the process of unloading arbitrarily swings, avoid clashing and breaking Engine Cylinder Wall, piston cooling nozzle, bearing shell and connecting rod etc., improve the security that piston rod part is disassembled or changed the outfit, ensure the safety of operating personnel and the intact of parts.
Piston of automobile engine link assembly of the present invention moves back handler, comprise slide rail and two parallel to each other and vertical with slide rail backstays, the middle part of described slide rail is fixedly connected with afterburning handle, all slide block is fixed with in the upper end of two backstays, described two slide block sets are contained on described slide rail, lay respectively at the left and right sides of afterburning handle, the lower end surface of two backstays is all fixed with the guide post stretched out downwards, the diameter of guide post is less than the diameter of bolt hole on big end.
For big end without the situation carrying connecting-rod bolts, move back unload piston rod part time, the position of left and right adjusting slide block on slide rail, two backstays are adapted with the position of the connecting rod bolt holes of big end respectively, then the guide post of backstay lower end is put in the connecting rod bolt holes of big end, press afterburning handle to exert all one's strength, thus piston rod part is ejected near cylinder cap side by cylinder.
Further, described slide rail is all set with spring between afterburning handle and left and right slide block.Suitable adjusting slider position is convenient in the effect arranging spring, when slide block inside slide rail adjusted many times spring can cushion and hinder its position, meanwhile, by the tension force effect of spring, can ensure that the stability of connecting rod when unloading is moved back in reinforcing preferably.
Further, described slide block is provided with slide block locking bolt.If need to move back the piston rod part unloaded in each cylinder of same engine, only need, after first time moves back and unloads, to tighten slide block locking bolt, by the locking position of slide block, keep the distance between two backstays constant, moving back below is unloaded just without the need to the position of adjusting slider again.
The situation carrying connecting-rod bolts is had for big end, further, described two backstays all overlap the pilot sleeve that can slide up and down, the diameter of pilot sleeve is greater than the connecting-rod bolts diameter of big end, the stage casing of described backstay and lower end are equipped with sleeve lock shotpin, the barrel of described pilot sleeve is provided with the slideway that the described sleeve lock shotpin of confession through vertically passes through, and is provided with the pin-and-hole of connection in this slideway side.Move back unload piston rod part time, first, the position of left and right adjusting slide block on slide rail, makes two backstays adapt with the position of the connecting-rod bolts of big end respectively, then, rotating pilot sleeve makes the sleeve lock shotpin in backstay stage casing enter in slideway, thus put down pilot sleeve the guide post of backstay lower end is encased, now, again rotate pilot sleeve, make the sleeve lock shotpin of backstay lower end enter in pin-and-hole and lock pilot sleeve, prevent it from sliding up and down; Finally, pilot sleeve is aimed at the connecting-rod bolts of big end, the end of guide post and the connecting-rod bolts be wrapped is propped up, finally presses afterburning handle and exert all one's strength, thus piston rod part is ejected near cylinder cap side by cylinder.
The present invention has the following advantages: move back unload piston rod part time, this impetus moving back between handler and big end is two places, connecting rod arbitrarily can not be swung around piston pin, the slight oscillatory of connecting rod can be revised by making the adjustment of force direction, improve to move back and unload process stability, avoid connecting rod arbitrarily swing and cause the problems such as clashing and breaking casing wall, piston cooling nozzle, bearing shell and connecting rod, improve the security of disassembling or changing the outfit, ensure the safety of operating personnel and the intact of parts.
The handler that moves back of the present invention carries out adjustment location owing to adopting slide block to two backstays, distance between two backstays can change, the distance changed between two backstays by adjusting slider position is unloaded to adapt to moving back of the piston rod part of different model engine, reaches the object of versatility.
The handler that moves back of the present invention is owing to being provided with slide block lock pin, when moving back the piston rod part unloaded in each cylinder of same engine, only need first time move back unloaded after the position of lock slider, keep the distance between two backstays, repeatedly moving back below is unloaded just without the need to regulating location again, convenient and swift, improve moving back of the piston rod part of engine and unload efficiency.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention;
Fig. 2 is the schematic diagram of slide block and backstay etc.;
Fig. 3 is the A direction view (locally) in Fig. 2;
Fig. 4 is use schematic diagram of the present invention.
In figure: the afterburning handle of 1-, 2-slide block, 3-slide rail, 4-backstay, 5-pilot sleeve, 6-guide post, 7-spring, 8-sleeve lock shotpin, 9-slide block locking bolt, 10-connecting rod bolt holes.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further illustrated.
As shown in FIG. 1 to 3, described piston of automobile engine link assembly moves back handler, comprise slide rail 3 and two parallel to each other and vertical with slide rail backstays 4, the middle part of described slide rail is fixedly connected with afterburning handle 1, slide block 2 is all fixed with in the upper end of two backstays, described two slide blocks 2 are sleeved on described slide rail 3, lay respectively at the left and right sides of afterburning handle 1, the lower end surface of two backstays 4 is all fixed with the guide post 6 stretched out downwards, and the diameter of guide post is less than the diameter of bolt hole on big end.
As shown in Figure 4, for big end without the situation carrying connecting-rod bolts, move back unload piston rod part time, the position of left and right adjusting slide block 2 on slide rail 3, two backstays 4 are adapted with the position of the connecting rod bolt holes 10 of big end respectively, then the guide post 6 of backstay 4 lower end is put in the connecting rod bolt holes 10 of big end, press afterburning handle 1 and exert all one's strength, thus piston rod part is ejected near cylinder cap side by cylinder.
This moves back handler and between afterburning handle 1 and left and right slide block, be all set with spring 7 on slide rail.Suitable adjusting slider position is convenient in the effect arranging spring, when slide block inside slide rail adjusted many times spring can cushion and hinder its position, meanwhile, by the tension force effect of spring, can ensure that the stability of connecting rod when unloading is moved back in reinforcing preferably.
This moves back handler and also on slide block 2, is provided with slide block locking bolt 9.If need to move back the piston rod part unloaded in each cylinder of same engine, only need, after first time moves back and unloads, to tighten slide block locking bolt 9, by the locking position of slide block 2, keep the distance between two backstays 4 constant, moving back below is unloaded just without the need to the position of adjusting slider again.
The situation carrying connecting-rod bolts is had for big end, this moves back handler and all overlap the pilot sleeve 5 that can slide up and down on two backstay 4, the diameter of pilot sleeve 5 is greater than the connecting-rod bolts diameter of big end, stage casing and the lower end of described backstay 4 are equipped with sleeve lock shotpin 8, the barrel of described pilot sleeve 5 is provided with the slideway that the described sleeve lock shotpin 8 of confession through vertically passes through, and is provided with the pin-and-hole of connection in this slideway side.Move back unload piston rod part time, first, the position of left and right adjusting slide block 2 on slide rail 3, makes two backstays 4 adapt with the position of the connecting-rod bolts of big end respectively, then, rotating pilot sleeve 5 makes the sleeve lock shotpin 8 in backstay stage casing enter in slideway, thus put down pilot sleeve 5 guide post 6 of backstay lower end is encased, now, again rotate pilot sleeve 5, make the sleeve lock shotpin 8 of backstay lower end enter in pin-and-hole and lock pilot sleeve, prevent it from sliding up and down; Finally, pilot sleeve 5 is aimed at the connecting-rod bolts of big end, the guide post 6 be wrapped is propped up with the end of connecting-rod bolts, presses afterburning handle 1 and make to try hard to recommend, thus piston rod part is ejected near cylinder cap side by cylinder.
Claims (3)
1. a piston of automobile engine link assembly moves back handler, it is characterized in that: this device comprises slide rail (3) and two parallel to each other and vertical with slide rail backstays (4), the middle part of described slide rail is fixedly connected with afterburning handle (1), a slide block (2) is all fixed with in the upper end of two backstays, described two slide block sets are contained on described slide rail (3), lay respectively at the left and right sides of afterburning handle (1), the lower end surface of two backstays is all fixed with the guide post (6) stretched out downwards, the diameter of guide post is less than the diameter of bolt hole on big end,
Described backstay (4) all overlaps the pilot sleeve (5) that can slide up and down, the diameter of pilot sleeve is greater than the connecting-rod bolts diameter of big end, the stage casing of described backstay (4) and lower end are equipped with sleeve lock shotpin (8), the barrel of described pilot sleeve is provided with the slideway that the described sleeve lock shotpin of confession through vertically passes through, and is provided with the pin-and-hole of connection in this slideway side.
2. a kind of piston of automobile engine link assembly according to claim 1 moves back handler, it is characterized in that: on described slide rail, be all set with spring (7) between afterburning handle (1) and left and right slide block.
3. a kind of piston of automobile engine link assembly according to claim 1 and 2 moves back handler, it is characterized in that: described slide block (2) is provided with slide block locking bolt (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310729718.XA CN103722526B (en) | 2013-12-26 | 2013-12-26 | Piston of automobile engine link assembly moves back handler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310729718.XA CN103722526B (en) | 2013-12-26 | 2013-12-26 | Piston of automobile engine link assembly moves back handler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103722526A CN103722526A (en) | 2014-04-16 |
| CN103722526B true CN103722526B (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310729718.XA Active CN103722526B (en) | 2013-12-26 | 2013-12-26 | Piston of automobile engine link assembly moves back handler |
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| Country | Link |
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| CN (1) | CN103722526B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107717814A (en) * | 2017-10-31 | 2018-02-23 | 贵港市厚顺信息技术有限公司 | A kind of flange is to corner bolt fastening device |
| CN110076721A (en) * | 2019-05-21 | 2019-08-02 | 五冶集团上海有限公司 | A kind of leakage switch provision for disengagement |
| CN112223195A (en) * | 2020-09-30 | 2021-01-15 | 重庆长安汽车股份有限公司 | Connecting rod guide assembly, piston connecting rod assembly assembling tool and assembling method thereof |
| CN113909869B (en) * | 2021-09-29 | 2023-04-07 | 龙铁纵横（北京）轨道交通科技股份有限公司 | System and method for withdrawing threaded ring of oil pressure shock absorber of motor train unit |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3964149A (en) * | 1975-05-05 | 1976-06-22 | Ingersoll-Rand Company | Reversible puller |
| CN200945600Y (en) * | 2006-08-18 | 2007-09-12 | 上海宝钢设备检修有限公司 | Appliance for dismounting hydraulic cylinder piston |
| CN201455910U (en) * | 2009-06-22 | 2010-05-12 | 宝山钢铁股份有限公司 | Tool for disassembling plunger valve |
| JP5848195B2 (en) * | 2012-05-30 | 2016-01-27 | 株式会社日立製作所 | Guide shoe removal method and guide shoe removal jig for passenger conveyor |
| CN202656128U (en) * | 2012-06-20 | 2013-01-09 | 武汉钢铁(集团)公司 | Tool for detaching hydraulic oil cylinder piston |
| CN203636738U (en) * | 2013-12-26 | 2014-06-11 | 重庆长安汽车股份有限公司 | Disassembling device for piston connecting rod assembly of automobile engine |
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- 2013-12-26 CN CN201310729718.XA patent/CN103722526B/en active Active
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| Publication number | Publication date |
|---|---|
| CN103722526A (en) | 2014-04-16 |
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