CN212044459U - Piston connecting rod cap detaching device - Google Patents
Piston connecting rod cap detaching device Download PDFInfo
- Publication number
- CN212044459U CN212044459U CN202020712484.3U CN202020712484U CN212044459U CN 212044459 U CN212044459 U CN 212044459U CN 202020712484 U CN202020712484 U CN 202020712484U CN 212044459 U CN212044459 U CN 212044459U
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- connecting rod
- base
- piston connecting
- block
- piston
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- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000000926 separation method Methods 0.000 claims abstract description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
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Abstract
The embodiment of the application discloses piston connecting rod cap detaching device, and the detaching device has the characteristics of low cost and high detaching efficiency. The piston connecting rod cap disassembling device provided by the embodiment of the application comprises a base, the lateral part of the base is provided with a positioning block matched with a piston connecting rod big-end crank pin mounting hole, the positioning block comprises a first positioning block and a second positioning block, and the base is further provided with a support mechanism which drives the first positioning block and the second positioning block to perform separation movement.
Description
Technical Field
The utility model relates to an engine assembly field, concretely relates to piston connecting rod cap detaching device.
Background
The piston connecting rod group converts the reciprocating motion of the piston into the rotating motion of the crankshaft, and simultaneously converts the force acting on the piston into the torque output by the crankshaft to drive the automobile wheels to rotate. It is a transmission member of an engine, which transmits the pressure of combustion gas to a crankshaft, rotates the crankshaft, and outputs power.
The piston connecting rod group mainly comprises a piston, a piston ring, a piston pin, a connecting rod bearing bush and the like. The connecting rod is used for connecting the piston and the crankshaft, converting reciprocating motion of the piston into rotary motion of the crankshaft and transmitting force borne by the piston to the crankshaft. The connecting rod is generally composed of a small head, a rod body and a large head, the large head of the connecting rod is connected with a crank pin of the crankshaft, the large head is generally divided, the divided part is called a connecting rod cover, and a special connecting rod bolt is connected and fastened on the large head of the connecting rod.
With the continuous progress of the advanced process, the cracking process is generated, which can ensure the processing consistency and the qualified assembly, but before the connecting rod is assembled on the engine, the connecting rod cover (big end) of the finished connecting rod needs to be disassembled, and the cracking surface is separated. Along with the updating of the production process, the improvement of the production efficiency and the optimization of the cost, various connecting rod disassembling equipment is produced.
The existing connecting rod disassembling equipment is semi-automatic equipment and a purely manual disassembling fixture tool. The pure automatic equipment has high input cost, high efficiency, excellent quality and unstable failure rate, and the pure manual disassembly fixture has low efficiency and unstable quality (collision).
SUMMERY OF THE UTILITY MODEL
The present application is directed to solving at least one of the problems in the prior art. Therefore, an object of the embodiments of the present application is to provide a piston connecting rod cap disassembling apparatus with low cost and high disassembling efficiency.
For this reason, the piston connecting rod cap detaching device that this application embodiment provided, including the base, the lateral part of base is equipped with the locating piece that matches with piston connecting rod big-end crank pin mounting hole, the locating piece includes first locating piece and second locating piece, still be equipped with the drive on the base first locating piece and second locating piece are the mechanism that struts of separation motion.
In some embodiments, the distraction mechanism includes a cam and a follower slide;
the driven sliding block is matched with and slidably mounted in a vertical sliding groove in the base, the cam is rotatably connected with the base through a rotating shaft, one end of the driven sliding block is in sliding contact with the outer peripheral surface of the cam, and the other end of the driven sliding block is fixedly connected with the upper half positioning block.
In some embodiments, a return torsion spring is coupled between the cam and the base.
In some embodiments, a handle lever is provided on the cam.
In some embodiments, the base is provided with a limit pin for limiting the rotation angle of the handle rod.
In some embodiments, the upper semi-positioning block comprises an upper semi-base block and an upper semi-arc block, wherein the upper semi-arc block is detachably mounted on the top of the upper semi-base block and is matched with the cambered surface of the crank pin mounting hole at the big head end of the piston connecting rod;
the lower half positioning block comprises a lower half base block and a lower half arc block, and the lower half arc block is detachably arranged at the bottom of the lower half base block and is matched with the arc surface of the crank pin mounting hole at the large head end of the piston connecting rod.
In some embodiments, a piston rod clamping groove is further arranged on the base and below the positioning block;
when the piston connecting rod is hung on the positioning block, the rod body of the piston connecting rod is clamped in the piston connecting rod clamping groove.
In some embodiments, at least one set of guide pins is disposed on the side of the base where the positioning block is disposed, each set of guide pins includes two guide pins horizontally disposed side by side, and the piston rod clamping groove is formed between the two guide pins.
In some embodiments, the base is further provided with positioning hooks on two sides of the positioning block, and two ends of the positioning clamping strip are clamped on the positioning hooks, so that the piston connecting rod is tightly attached to the base.
In some embodiments, the wind gun further comprises a frame and a wind gun, wherein the base is arranged on the frame, and the wind gun is arranged on the frame and positioned above the base.
Compared with the prior art, at least one embodiment of the application has the following beneficial effects:
when the piston connecting rod cap is disassembled, the big end of the piston connecting rod is sleeved on the positioning block, and after the connecting bolt on the big end of the piston connecting rod is disassembled, the upper half positioning block and the lower half positioning block are driven to move up and down in a separating manner by the aid of the opening mechanism, the piston connecting rod cap can be opened, the disassembly of the piston connecting rod cap is realized, the whole disassembling device is simple in structure and convenient to operate, and the piston connecting rod cap disassembling device is simple in structure, is convenient to operate, is compared with pure automatic equipment, has the advantage of low cost, is compared with pure manual disassembly, and has the advantages.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of a piston connecting rod cap disassembling device according to an embodiment of the present invention;
fig. 2 is a schematic top view of a piston connecting rod cap disassembling device according to an embodiment of the present invention;
FIG. 3 is a schematic side view of a piston connecting rod cap disassembling apparatus according to an embodiment of the present invention;
fig. 4 is an operation field diagram of the piston connecting rod cap disassembling device provided by the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the piston connecting rod cap disassembling apparatus provided in the embodiment of the present application includes a base 1, a positioning block 2 matched with a crank pin mounting hole at a big end of a piston connecting rod is disposed on a side of the base 1, the positioning block 2 includes an upper half positioning block 201 and a lower half positioning block 202, and the base 1 is further provided with a spreading mechanism 3 for driving the upper half positioning block 201 and the lower half positioning block 202 to move separately.
Specifically, the distraction mechanism 3 includes a cam 301 and a follower slider 302; wherein, the driven slider 302 matches the vertical chute 4 of slidable mounting on the base 1 in, the cam 301 rotates with the base 1 through the pivot to be connected, the one end of driven slider 302 slides with the outer peripheral face of cam 301 and contradicts, the other end and first half locating piece 201 fixed connection, and second half locating piece 202 is through fastening screw and base 1 fixed connection.
When the connecting rod cover is disassembled by adopting the embodiment of the application, the big end of the piston connecting rod is firstly sleeved on the positioning block, and the connecting bolt on the big end of the piston connecting rod is disassembled, the cam 301 is rotated, the driven slide block 302 is driven to move upwards in the vertical chute 4, and then the upper half positioning block 201 and the lower half positioning block 202 are driven to move separately, the connecting rod cover of the piston connecting rod is opened, and then the disassembling of the piston connecting rod cover is realized, the whole disassembling device is simple in structure, the operation is convenient, the pure automatic equipment is compared, the cost is low, the pure manual disassembling is compared, the disassembling efficiency is high, and the failure rate is low.
It can be understood that, in practical design, a return torsion spring 5 is further connected between the cam 301 and the base 1, the cam 301 can be reset under the action of the return torsion spring 5, and in the process of resetting the cam 301, the driven slider 302 also drives the upper half positioning block 201 to automatically reset under the action of its own gravity. The cam 301 can be further provided with a handle lever 6 which is convenient for rotating the cam 301, the base 1 can be further provided with a limiting pin which is used for limiting the rotating angle of the handle lever 6, and meanwhile, in practical application, the cam 301 can be an eccentric circular wheel with a relatively simple structure.
Referring to fig. 1, in some possible embodiments, the upper half positioning block 201 includes an upper half base block 2011 and an upper half arc block 2012, the upper half arc block 2012 is detachably mounted on the top of the upper half base block 2011 and matches with the arc of the piston rod big-head crank pin mounting hole, the lower half positioning block 202 includes a lower half base block 2021 and a lower half arc block 2022, and the lower half arc block 2022 is detachably mounted on the bottom of the lower half base block 2021 and matches with the arc of the piston rod big-head crank pin mounting hole. Specifically, the upper semi-arc block 2012 is fastened to the upper semi-base block 2011 by a bolt assembly. Similarly, the lower half arc block 2022 and the lower half base block 2021 are also fastened by a bolt assembly.
In this embodiment, the upper half arc block 2012 and the lower half arc block 2022 are detachably connected to the corresponding base blocks, so that the upper half base block 2011 and the lower half arc block 2022 with different sizes can be replaced to adapt to the disassembly of the connecting rod caps of the piston connecting rods 7 with different models.
Referring to fig. 1, it can be understood that a piston rod clamping groove 8 can be further formed in the base 1 below the positioning block, and when the piston rod 7 is hung on the positioning block, the rod body of the piston rod is clamped in the piston rod clamping groove 8. Specifically, at least one group of guide pins 9 is arranged on the side part of the base 1 provided with the positioning block, each group of guide pins 9 comprises two guide pins 9 horizontally arranged side by side, and a piston connecting rod clamping groove 8 is formed between the two guide pins 9.
In this application embodiment, be equipped with piston rod draw-in groove 8 on base 1, when the piston rod is disassembled, the pole body card of piston rod is in piston rod draw-in groove 8 to dismantling the completion back with the piston connection, the piston rod can directly not drop to ground, thereby can prevent effectively that the piston rod from damaging, also can guarantee operating personnel's personal safety simultaneously.
Referring to fig. 1 and 2, it should be explained that, in practical application, positioning hooks 10 may also be disposed on the base 1 at two sides of the positioning block, and two ends of the positioning strip 11 are clipped on the positioning hooks 10 so that the piston rod is tightly attached to the base 1. In this application embodiment, when the piston connecting rod cap needs to be disassembled, at first insert the locating piece in the big end of piston connecting rod to block the pole body of piston connecting rod on piston connecting rod draw-in groove 8, block the both ends card of locator card strip 11 on a pair of location hasp 10 after that, can carry out disassembling of piston connecting rod, through the aforesaid setting, each degree of freedom of piston connecting rod has been restricted, the effectual tight firmness of clamp that has strengthened piston connecting rod.
Referring to fig. 1 and 4, in other possible embodiments, the disassembling device further comprises a frame 12 and an air gun 13, wherein the base 1 and the air gun 13 are both arranged on the frame 12, and the air gun 13 is arranged above the base 1, so as to facilitate disassembling the connecting screw of the piston rod. In the embodiment of the application, firstly, the air gun 13 is used for loosening the connecting rod bolt on the piston connecting rod, and then the handle rod 6 is pulled by hand to enable the connecting rod cover to be smoothly separated from the expanding section, so that the decomposition requirement is met.
The above examples are merely illustrative of the present invention clearly and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Nor is it intended to be exhaustive of all embodiments. And obvious changes and modifications may be made without departing from the scope of the present invention.
Claims (10)
1. The utility model provides a piston connecting rod lid detaching device, includes the base, its characterized in that: the side of base is equipped with the locating piece that matches with piston rod big-end crank pin mounting hole, the locating piece includes first locating piece and second locating piece, still be equipped with on the base and drive first locating piece and second locating piece make the mechanism that struts of separation motion.
2. The piston connecting rod cap disassembling apparatus according to claim 1, wherein: the opening mechanism comprises a cam and a driven sliding block;
the driven sliding block is matched with and slidably mounted in a vertical sliding groove in the base, the cam is rotatably connected with the base through a rotating shaft, one end of the driven sliding block is in sliding contact with the outer peripheral surface of the cam, and the other end of the driven sliding block is fixedly connected with the upper half positioning block.
3. The piston connecting rod cap disassembling apparatus according to claim 2, wherein: and a reset torsion spring is connected between the cam and the base.
4. The piston connecting rod cap disassembling apparatus according to claim 3, wherein: and a handle lever is arranged on the cam.
5. The piston connecting rod cap disassembling apparatus according to claim 4, wherein: and the base is provided with a limiting pin for limiting the rotation angle of the handle rod.
6. The piston connecting rod cap disassembling apparatus according to claim 1, wherein: the upper semi-positioning block comprises an upper semi-base block and an upper semi-arc block, and the upper semi-arc block is detachably mounted at the top of the upper semi-base block and is matched with the cambered surface of a crank pin mounting hole at the large head end of the piston connecting rod;
the lower half positioning block comprises a lower half base block and a lower half arc block, and the lower half arc block is detachably arranged at the bottom of the lower half base block and is matched with the arc surface of the crank pin mounting hole at the large head end of the piston connecting rod.
7. The piston connecting rod cap disassembling apparatus according to claim 6, wherein: a piston connecting rod clamping groove is also formed in the base and is positioned below the positioning block;
when the piston connecting rod is hung on the positioning block, the rod body of the piston connecting rod is clamped in the piston connecting rod clamping groove.
8. The piston connecting rod cap disassembling apparatus according to claim 7, wherein: the base is provided with set up at least a set of uide pin on the lateral part of locating piece, every group uide pin is including two uide pins that set up horizontally side by side, two be formed with between the uide pin the piston rod draw-in groove.
9. The piston connecting rod cap disassembling apparatus according to claim 1, wherein: and positioning hooks are further arranged on the base and positioned on two sides of the positioning block, and two ends of the positioning clamping strip are clamped on the positioning hooks, so that the piston connecting rod is tightly attached to the base.
10. The piston rod cap disassembling apparatus according to any one of claims 1 to 9, wherein: still include frame and air gun, the base sets up in the frame, the air gun sets up in the frame and be located the top of base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020712484.3U CN212044459U (en) | 2020-04-30 | 2020-04-30 | Piston connecting rod cap detaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020712484.3U CN212044459U (en) | 2020-04-30 | 2020-04-30 | Piston connecting rod cap detaching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212044459U true CN212044459U (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020712484.3U Expired - Fee Related CN212044459U (en) | 2020-04-30 | 2020-04-30 | Piston connecting rod cap detaching device |
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| Country | Link |
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| CN (1) | CN212044459U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115319449A (en) * | 2022-08-31 | 2022-11-11 | 合肥云内动力有限公司 | Quick-release equipment for engine connecting rod assembly |
-
2020
- 2020-04-30 CN CN202020712484.3U patent/CN212044459U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115319449A (en) * | 2022-08-31 | 2022-11-11 | 合肥云内动力有限公司 | Quick-release equipment for engine connecting rod assembly |
| CN115319449B (en) * | 2022-08-31 | 2024-05-28 | 合肥云内动力有限公司 | Quick assembly disassembly equipment for engine connecting rod assembly |
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| GR01 | Patent grant | ||
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| PP01 | Preservation of patent right |
Effective date of registration: 20230811 Granted publication date: 20201201 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20231205 Granted publication date: 20201201 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201201 |