CN201900427U - Piston and connecting rod assembling tool - Google Patents
Piston and connecting rod assembling tool Download PDFInfo
- Publication number
- CN201900427U CN201900427U CN2010206640066U CN201020664006U CN201900427U CN 201900427 U CN201900427 U CN 201900427U CN 2010206640066 U CN2010206640066 U CN 2010206640066U CN 201020664006 U CN201020664006 U CN 201020664006U CN 201900427 U CN201900427 U CN 201900427U
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- CN
- China
- Prior art keywords
- piston
- locating piece
- connecting rod
- fixture block
- hole
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- 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.)
- Expired - Fee Related
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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model provides a piston and connecting rod assembling tool applied in the field of engine assembly. The piston and connecting rod assembling tool comprises a tool base (1), a piston positioning block (3) and a connecting rod large-head positioning block (4), wherein the piston positioning block (3) is arranged on the tool base (1) and can tightly clamp a piston (2); a connecting rod large-head hole (5) is set into a structure sleeved on the connecting rod large-head positioning block (4); the connecting rod large-head positioning block (4) is also arranged on the tool base (1); and one end of a connecting rod small-head hole (7) of a connecting rod (6) positioned by the connecting rod large-head positioning block (4) is set into a structure extending into a piston inner cavity (8). The assembling tool has a simple structure and is easy to process. Most importantly, by the piston and connecting rod assembling tool, the process of striking a piston pin to press the piston pin into the tool can be guaranteed so that the accuracy of assembling the piston and the connecting rod is guaranteed; and meanwhile, the assembly of the piston and the connecting rod is simple, rapid and convenient, so that the efficiency of assembling the piston and the connecting rod can be obviously improved.
Description
Technical field
The utility model belongs to engine fitter's packing technique field, more particularly, relates to a kind of piston rod assembly tooling that can improve piston and connecting rod assembly precision and BMX.
Background technology
Generally when synthetic piston rod, again piston pin is pressed into connecting rod after all needing small end of connecting rod heated.In this process, just need to guarantee that small end of connecting rod and position of piston are not offset.Though a lot of frocks are also arranged now, our this tool structure is very simple and can guarantee the relative position of piston rod, and in beaing the process of piston pin, connecting rod is not beated, can guarantee to synthesize smoothly and accuracy.
The utility model content
Technical problem to be solved in the utility model is: at the deficiencies in the prior art, providing a kind of can guarantee in the process of assembling piston and connecting rod, the error of avoiding connecting rod and piston to beat and causing, thereby the piston rod assembly tooling of assurance piston and connecting rod assembly precision and efficient.
Solve above-described technical problem, the technical scheme that the utility model is taked is:
The utility model is a kind of piston rod assembly tooling, described piston rod assembly tooling comprises the frock base, be installed in the piston locating piece that can tighten piston on the frock base, the big end locating piece, crank pin end pore is set to be sleeved on the structure on the big end locating piece, described big end locating piece also is installed on the frock base, and small end of connecting rod hole one end of the connecting rod by big end locating piece location is set to extend to the structure of piston cavity.
Described piston locating piece is set to the groove structure that cooperates with piston profile, described big end locating piece is set to column construction, the big end locating piece is provided with the structure of two-stage, ledge structure is set between the two-stage, the crank pin end pore that is sleeved on the big end locating piece is resisted against on the ledge structure, and the piston rod assembly tooling also comprises the piston pin positioning tool that can pass small end of connecting rod hole and piston pin hole.
Described piston locating piece both sides also are respectively arranged with fixture block I and fixture block II, described fixture block I is a platy structure, between described piston locating piece and the fixture block I gap is set, the opposite side of described fixture block II and piston locating piece is fitted and is provided with, and on the described fixture block II perforation is set.
The piston crown of described piston is set to be installed in the structure on fixture block II and the piston locating piece, described piston pin hole be set to fixture block II on the corresponding structure of punch position.
Also comprise vertically disposed bolt and locating piece on the described big end locating piece, locating piece is set to pass the structure of bolt, and the setscrew nut that cooperates with bolt is arranged on the bolt.
Described piston rod assembly tooling comprises that also the piston pin that piston pin is pressed in piston pin hole and the small end of connecting rod hole is pressed into frock, described piston pin is pressed into frock and is set to T font structure, and the body position that piston pin is pressed into frock is set to the structure that can cooperate with piston pin hole and crank pin end pore.
Described piston pin positioning tool is set to the structure that cooperates with piston pin hole and small end of connecting rod hole, and the positioning tool termination of described piston pin positioning tool is set to and the structure of boring a hole and cooperating.
On the described frock base a plurality of installing holes are set, described piston locating piece, fixture block I, fixture block II, big end locating piece are connected with installing hole by bolt respectively.
Described fixture block I goes up the adjusting bolt that setting can tighten piston.
Adopt the technical solution of the utility model, can obtain following beneficial effect:
Assembly tooling of the present utility model, simple in structure, processing easily, economy is relatively good, most importantly, can guarantee to be pressed in the process of frock beaing piston pin, connecting rod and piston are not beated and the error that causes, thereby guaranteed the precision of piston and connecting rod assembling, made the assembling of piston and connecting rod become simple and convenient simultaneously, thereby can obviously improve the efficient of piston and connecting rod assembling.
Description of drawings
Make briefly bright to each accompanying drawing of this specification expressed content and the mark among the figure below:
Fig. 1 faces structural representation for piston rod assembly tooling described in the utility model;
Fig. 2 is the described piston rod assembly tooling of a Fig. 1 side-looking structural representation;
Fig. 3 is a piston rod assembly tooling described in the utility model structural representation when installing;
Fig. 4 is a piston rod assembly tooling described in the utility model broken section structural representation when installing;
Fig. 5 is the structural representation of piston pin positioning tool;
Fig. 6 is pressed into the structural representation of frock for piston pin;
Fig. 7 is the structural representation of big end locating piece;
Mark among the figure: 1, frock base; 2, piston; 3, piston locating piece; 4, big end locating piece; 5, crank pin end pore; 6, connecting rod; 7, small end of connecting rod hole; 8, piston cavity; 9, groove structure; 10, ledge structure I; 11, piston pin hole; 12, piston pin positioning tool; 13, fixture block I; 14, fixture block II; 15, perforation; 16, piston crown; 17, bolt; 18, locating piece; 19, setscrew nut; 20, piston pin; 21, piston pin is pressed into frock; 22, body position; 23, positioning tool termination; 24, installing hole; 25, positioning tool body; 26, ledge structure II; 27, regulate bolt.
The specific embodiment
Contrast accompanying drawing below, by description, the effect of the mutual alignment between the shape of the specific embodiment of the present utility model such as related each member, structure, the each several part and annexation, each several part and operation principle etc. are described in further detail embodiment:
Shown in accompanying drawing 1-7, the utility model is a kind of piston rod assembly tooling, described piston rod assembly tooling comprises frock base 1, be installed in the piston locating piece 3 that can tighten piston 2 on the frock base 1, big end locating piece 4, crank pin end pore 5 is set to be sleeved on the structure on the big end locating piece 4, described big end locating piece 4 also is installed on the frock base 1, and an end in the small end of connecting rod hole 7 of the connecting rod 6 by big end locating piece 4 location is set to extend to the structure of piston cavity 8.
Described piston locating piece 3 is set to the groove structure 9 that cooperates with piston 2 profiles, described big end locating piece 4 is set to column construction, big end locating piece 4 is provided with the structure of two-stage, ledge structure I 10 is set between the two-stage, the described crank pin end pore 5 that is sleeved on the big end locating piece 4 is resisted against on the ledge structure 10, and described piston rod assembly tooling also comprises the piston pin positioning tool 12 that can pass small end of connecting rod hole 7 and piston pin hole 11.
Described piston locating piece 3 both sides also are respectively arranged with fixture block I 13 and fixture block II 14, described fixture block I 13 is a platy structure, between described piston locating piece 3 and the fixture block I 13 gap is set, the opposite side of described fixture block II 14 and piston locating piece 3 is fitted and is provided with, and perforation 15 is set on the described fixture block II 14.
Because piston crown is a circular configuration, piston 2 is installed in the groove structure 12, the circular configuration position of piston crown clamps by fixture block I 13 and piston locating piece 3, the position of the piston pin hole 11 of piston only both sides sets out the planar structure of scabbling, during assembling, planar structure just is positioned at the structure on the fixture block II 14, and piston pin hole 11 is just corresponding with the position of perforation 15.
The piston crown 16 of described piston 2 is set to be installed in the structure on fixture block II 13 and the piston locating piece 14, described piston pin hole 11 be set to fixture block II 14 on the corresponding structure in perforation 15 positions.
Also comprise vertically disposed bolt 17 and locating piece 18 on the described big end locating piece 4, described locating piece 18 is set to pass the structure of bolt 17, and the setscrew nut 19 that cooperates with bolt 17 is arranged on the bolt 17.
Described piston rod assembly tooling comprises that also the piston pin that piston pin 20 is pressed in piston pin hole 11 and the small end of connecting rod hole 7 is pressed into frock 21, described piston pin is pressed into frock 21 and is set to T font structure, and the body position 22 that piston pin is pressed into frock 21 is set to the structure that can cooperate with piston pin hole 11 and crank pin end pore 7.
Described piston pin positioning tool 12 is set to the structure that cooperates with piston pin hole 11 and small end of connecting rod hole 7, between the positioning tool termination 23 of piston pin positioning tool 12 and the positioning tool body 25 ledge structure 26 is set, positioning tool termination 23 is set to and 15 structures that cooperate of boring a hole.
Described piston pin positioning tool is set to the structure that cooperates with piston pin hole and small end of connecting rod hole, and the positioning tool termination of described piston pin positioning tool is set to and the structure of boring a hole and cooperating.
After piston pin positioning tool 12 penetrates piston pin hole 11 and small end of connecting rod hole 7, after piston pin positioning tool 12 enters to a certain degree, promptly insert in the perforation 15, because the existence of the ledge structure II 26 between positioning tool termination 23 and the positioning tool body 25, this just can play the effect that piston pin positioning tool 12 penetration of wedged gauges are limited.
A plurality of installing holes 24 are set on the described frock base 1, and described piston locating piece 3, fixture block I 13, fixture block II 14, big end locating piece 4 are connected with installing hole 24 by bolt respectively.
The adjusting bolt 27 that can tighten piston 2 is set on the described fixture block I 13.Regulate bolt 27 and fix position of piston by being screwed into to back-out.
In the frock of the present utility model, piston locating piece 3, fixture block I 13, fixture block II14, big end locating piece 4 are set to respectively the structure by bolt and installing hole 24, because the installing hole 24 on the frock base 1 is a plurality of, this makes position and distance between piston locating piece 3, fixture block I 13, fixture block II 14, the big end locating piece 4 to adjust respectively according to piston size and connecting rod size.During adjustment, as long as required with the distance of the layout between piston locating piece 3 and the big end locating piece 4.
Piston locating piece 3, big end locating piece 4 in the utility model are provided with bascule, also make piston locating piece 3, big end locating piece 4 can change the structure of different size as required, so just can adapt to the assembling of different piston and connecting rod, thus the scope of application of the frock of the present utility model that enlarges.
Piston locating piece 3 in the utility model, fixture block I 13, fixture block II 14, big end locating piece 4 also can be set to be fixed on the structure on the frock base 1.
In the assembling process of piston and connecting rod, at first piston is placed in the groove structure on the piston locating piece 3, with the heating of small end of connecting rod hole, waits when being heated to about 200 ℃ then, crank pin end pore is sleeved on the big end locating piece 4, at this moment, small end of connecting rod hole 7 extends in the piston cavity 8, again crank pin end pore 5 is sleeved on big end locating piece 4, at this moment, locating piece 18 is packed in the bolt 17, the screwed in place nut 19 more again, and this has just realized the location of big end.
Then, pass piston pin hole 11 and small end of connecting rod hole 7 with piston pin positioning tool 12, so just realized the aligning in the hole in piston pin hole 11 and small end of connecting rod hole 7, take out piston pin positioning tool 12 this moment, again piston pin 20 is put into the position of aiming at piston pin hole 11 and small end of connecting rod hole 7, be pressed into frock 21 with the piston pin of T type structure piston pin 20 is knocked in small end of connecting rod hole 7 and the piston pin hole 11, so just finished the assembling of piston and connecting rod.
Structure of the present utility model is fairly simple comparatively speaking, easily processing, economy is relatively good, most importantly can guarantee to be pressed in the process of frock beaing piston pin, connecting rod and piston are not beated and the error that causes, thus guaranteed assembling accurately and precision.
Assembly tooling of the present utility model, simple in structure, processing easily, economy is relatively good, most importantly, can guarantee to be pressed in the process of frock beaing piston pin, connecting rod and piston are not beated and the error that causes, thereby guaranteed the precision of piston and connecting rod assembling, made the assembling of piston and connecting rod become simple and convenient simultaneously, thereby can obviously improve the efficient of piston and connecting rod assembling.
In conjunction with the accompanying drawings the utility model has been carried out exemplary description above; obviously the concrete realization of the utility model is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted method design of the present utility model and technical scheme to carry out; or design of the present utility model and technical scheme are directly applied to other occasions without improving, all in protection domain of the present utility model.
Claims (9)
1. piston rod assembly tooling, it is characterized in that: described piston rod assembly tooling comprises frock base (1), be installed in the piston locating piece (3) that can tighten piston (2) on the frock base (1), big end locating piece (4), crank pin end pore (5) is set to be sleeved on the structure on the big end locating piece (4), described big end locating piece (4) also is installed on the frock base (1), and an end in the small end of connecting rod hole (7) of the connecting rod (6) by big end locating piece (4) location is set to extend to the structure of piston cavity (8).
2. piston rod assembly tooling according to claim 1, it is characterized in that: described piston locating piece (3) is set to the groove structure (9) that cooperates with piston (2) profile, described big end locating piece (4) is set to column construction, big end locating piece (4) is provided with the structure of two-stage, ledge structure I (10) is set between the two-stage, the described crank pin end pore (5) that is sleeved on the big end locating piece (4) is resisted against on the ledge structure I (10), and described piston rod assembly tooling also comprises the piston pin positioning tool (12) that can pass small end of connecting rod hole (7) and piston pin hole (11).
3. piston rod assembly tooling according to claim 1, it is characterized in that: described piston locating piece (3) both sides also are respectively arranged with fixture block I (13) and fixture block II (14), described fixture block I (13) is a platy structure, between described piston locating piece (3) and the fixture block I (13) gap is set, the opposite side of described fixture block II (14) and piston locating piece (3) is fitted and is provided with, and perforation (15) is set on the described fixture block II (14).
4. according to claim 1 or 2 or 3 described piston rod assembly toolings, it is characterized in that: the piston crown (16) of described piston (2) is set to be installed in the structure on fixture block II (13) and the piston locating piece (14), described piston pin hole (11) be set to fixture block II (14) on the corresponding structure in perforation (15) position.
5. piston rod assembly tooling according to claim 4, it is characterized in that: also comprise vertically disposed bolt (17) and locating piece (18) on the described big end locating piece (4), the structure that described locating piece (18) is set to pass bolt (17) has the setscrew nut (19) that cooperates with bolt (17) on the bolt (17).
6. piston rod assembly tooling according to claim 5, it is characterized in that: described piston rod assembly tooling comprises that also the piston pin that piston pin (20) is pressed in piston pin hole (11) and small end of connecting rod hole (7) is pressed into frock (21), described piston pin is pressed into frock (21) and is set to T font structure, and the body position (22) that piston pin is pressed into frock (21) is set to the structure that can cooperate with piston pin hole (11) and crank pin end pore (7).
7. piston rod assembly tooling according to claim 6, it is characterized in that: described piston pin positioning tool (12) is set to the structure that cooperates with piston pin hole (11) and small end of connecting rod hole (7), between the positioning tool termination (23) of piston pin positioning tool (12) and the positioning tool body (25) ledge structure (26) is set, positioning tool termination (23) are set to the structure that cooperates with bore a hole (15).
8. piston rod assembly tooling according to claim 7, it is characterized in that: a plurality of installing holes (24) are set on the described frock base (1), and described piston locating piece (3), fixture block I (13), fixture block II (14), big end locating piece (4) are connected with installing hole (24) by bolt respectively.
9. piston rod assembly tooling according to claim 8 is characterized in that: described fixture block I (13) goes up the adjusting bolt (27) that setting can tighten piston (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206640066U CN201900427U (en) | 2010-12-16 | 2010-12-16 | Piston and connecting rod assembling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206640066U CN201900427U (en) | 2010-12-16 | 2010-12-16 | Piston and connecting rod assembling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201900427U true CN201900427U (en) | 2011-07-20 |
Family
ID=44271030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206640066U Expired - Fee Related CN201900427U (en) | 2010-12-16 | 2010-12-16 | Piston and connecting rod assembling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201900427U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069468A (en) * | 2010-12-16 | 2011-05-25 | 锐展(铜陵)科技有限公司 | Piston connecting rod assembly fixture |
| CN102896517A (en) * | 2011-07-29 | 2013-01-30 | 吴江市和喜机械有限公司 | Fixture for machining workpiece holes |
| CN103100850A (en) * | 2013-01-31 | 2013-05-15 | 东风康明斯发动机有限公司 | Engine connecting rod bolt screwing craft through torque and turn angle |
| CN104942570A (en) * | 2015-06-24 | 2015-09-30 | 快意（江门）压缩机有限公司 | Piston installation connection rod and piston pin tool |
| CN105328630A (en) * | 2015-09-30 | 2016-02-17 | 贵州大学 | Automatic installation and control device of engine piston and design method of automatic installation and control device |
-
2010
- 2010-12-16 CN CN2010206640066U patent/CN201900427U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069468A (en) * | 2010-12-16 | 2011-05-25 | 锐展(铜陵)科技有限公司 | Piston connecting rod assembly fixture |
| CN102896517A (en) * | 2011-07-29 | 2013-01-30 | 吴江市和喜机械有限公司 | Fixture for machining workpiece holes |
| CN102896517B (en) * | 2011-07-29 | 2015-09-02 | 吴江市和喜机械有限公司 | A kind of fixture for processing work hole |
| CN103100850A (en) * | 2013-01-31 | 2013-05-15 | 东风康明斯发动机有限公司 | Engine connecting rod bolt screwing craft through torque and turn angle |
| CN104942570A (en) * | 2015-06-24 | 2015-09-30 | 快意（江门）压缩机有限公司 | Piston installation connection rod and piston pin tool |
| CN105328630A (en) * | 2015-09-30 | 2016-02-17 | 贵州大学 | Automatic installation and control device of engine piston and design method of automatic installation and control device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110720 Termination date: 20121216 |