CN106944974B - Mounting device and its application method for engine gudgeon pin - Google Patents
Mounting device and its application method for engine gudgeon pin Download PDFInfo
- Publication number
- CN106944974B CN106944974B CN201710251852.1A CN201710251852A CN106944974B CN 106944974 B CN106944974 B CN 106944974B CN 201710251852 A CN201710251852 A CN 201710251852A CN 106944974 B CN106944974 B CN 106944974B
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- Prior art keywords
- sliding sleeve
- piston
- locating piece
- pin
- guide post
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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
- B25B27/08—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 cotter pins
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The invention discloses a kind of mounting devices and its application method for engine gudgeon pin, mounting device for engine gudgeon pin includes locating piece, sliding sleeve guide post, rack, the positioning sleeve for being mounted on the rack and being used to position piston, is provided with support in rack；Guide post is installed on the support；Sliding sleeve slides on guide post, and sliding sleeve can sliding axially along guide post, and it is inserted into the pin hole of the piston on positioning sleeve, the right side of sliding sleeve is against piston pin against end face, the left side of sliding sleeve is to fill in the pin hole of piston when piston pin, while making piston pin and sliding over to move to left stroke for limit sliding sleeve when being moved to the left together in pin hole to position the positioning end face of piston pin position in pin hole；Locating piece is flexibly connected on the support.The Fast Installation of piston pin and piston may be implemented in the present invention, realizes the mass production and maintenance of engine.
Description
Technical field
The present invention relates to a kind of mounting devices and its application method for engine gudgeon pin.
Background technique
Currently, piston rod part is precision component in engine production and maintenance process, it is the key that engine portion
Part cannot have any scuffing and loading error.As shown in Figure 1, piston rod part includes piston 5, connecting rod 7 and piston pin 9, live
The overall structure of plug 5 is similar to cylinder, and material is aluminium alloy, and when work is made reciprocal in the combustion chamber of engine high-temperature high pressure
Linear motion；As shown in Figure 1, the pin hole 511 of the left and right side of piston pin 9 and piston 5 is interference fit, piston pin 9 and even
The small head bore 513 of bar 7 is clearance fit, and connecting rod small end hole 513 can swing around piston pin 9, and piston pin 9 is first pressed into piston when press fitting
The pin hole 511 on 5 right sides, is then passed through the small head bore 513 of connecting rod 7, is finally pressed into the pin hole 511 in 5 left side of piston.
Currently, most of engine production and maintenance producer still use craft or simple tool under room temperature to press on press
Dress, not only labor intensity of workers is big for such assembly method, and production efficiency is low, and such as stress is improper, and piston easily deforms, to hair
The normal work of motivation buries very big hidden danger.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies of existing technologies, provide a kind of for engine gudgeon pin
Mounting device, the Fast Installation of piston pin and piston may be implemented in it, realizes the mass production and maintenance of engine.
In order to solve the above-mentioned technical problem, the technical scheme is that a kind of installation for engine gudgeon pin fills
It sets, it includes:
Rack is provided with support in the rack；
It is mounted on the rack and is used to position the positioning sleeve of piston；
Guide post, the guide post installation is on the support；
Sliding sleeve, the sliding sleeve slide on guide post, and the sliding sleeve can sliding axially along guide post, and be inserted into positioning
The pin hole of piston on set, the right side of the sliding sleeve are against piston pin against end face, and the left side of the sliding sleeve is to work as
Piston pin fills in the pin hole of piston, while making piston pin and sliding over when being moved to the left together in pin hole for limiting a left side for sliding sleeve
Journey is migrated to position the positioning end face of piston pin position in pin hole；
Locating piece, the locating piece are flexibly connected on the support, are located at locating piece will pass through the movement locating piece
The region between region or disengaging support and sliding sleeve between support and sliding sleeve, when area of the locating piece between support and sliding sleeve
Domain, and piston pin in the pin hole of piston it is mobile in place when, the positioning end face of the sliding sleeve and the right side of locating piece offset,
The left side of the locating piece and the right side of the support offset.
A kind of specific structure of locating piece is further provided, the locating piece is position fixing handle, the position fixing handle hinge
It connects on the support, is provided with to encircle on the position fixing handle and encircles portion in guide post outer circle.
Stroke is moved to right further for sliding sleeve is limited, between the sliding sleeve and the guide post restriction is provided with and slides over and lead
The position-limit mechanism for moving to right stroke on column, the position-limit mechanism include being mounted on the limited block of the right part of guide post and being arranged in cunning
Inner hole seam allowance in set, the limited block protrude the guide post in the radial direction thereof, when slide over be shifted to the right on guide post when, it is described
Limited block resists the inner hole seam allowance.
Further, the location hole that can be used for being embedded in piston is provided on the positioning sleeve.
The present invention also provides a kind of application method of mounting device for engine gudgeon pin, the step of method in contain
Have:
(a) locating piece is acted, locating piece is made to be detached from the region between support and sliding sleeve, by sliding sleeve along guide post to moving to left
It moves to the right side of the positioning end face of sliding sleeve and support and offsets；Piston heating is placed in positioning sleeve and is positioned, by the small of connecting rod
Head is put into piston, and is consistent the axis of the pin hole of small head bore and piston on connecting rod；
(b) sliding sleeve is moved right along guide post, successively penetrates pin hole on the left of piston, the small head bore (513) of connecting rod and living
The pin hole for filling in right side, acts the locating piece, makes region of the locating piece between support and sliding sleeve, and the locating piece
Left side and the right side of the support offset；
(c) piston pin is filled in the pin hole on the right side of piston be against sliding sleeve against end face, push piston pin and sliding sleeve one
It rises and is moved to the left, until the positioning end face of the sliding sleeve and the right side of locating piece offset, piston pin is installed in place.
Contain in the step of method:
(d) acting the locating piece makes locating piece be detached from the region between support and sliding sleeve, to the left along guide post by sliding sleeve
Side is moved to the positioning end face of sliding sleeve and the right side of support and offsets, and the piston rod part assembled is taken from positioning sleeve
Out.
After above-mentioned technical proposal, the mounting device for engine gudgeon pin is heated to 110 DEG C or so in piston,
After expanding the pin hole of piston, hot jacket piston pin assembly, fundamentally overcome traditional room temperature assembly when piston and piston pin by
It is pressed in interference fit, the technological deficiency of the easy stress deformation of piston.The apparatus structure compact, assembly are efficient and convenient, time saving
It is laborsaving, piston rod part will not be caused to damage, through examining, the piston assembled using the device is not deformed at all, guarantee
The quality of engine key components and parts can be applied to a large amount of engine productions and maintenance producer.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of piston rod part；
Fig. 2 is the structural schematic diagram of the mounting device for engine gudgeon pin of the invention；
Fig. 3 is the A-A cross-sectional view of Fig. 2；
Fig. 4 is the structural schematic diagram of sliding sleeve of the invention；
Fig. 5 is the structural schematic diagram of guide post of the invention；
Fig. 6 is the structural schematic diagram of position fixing handle of the invention.
Specific embodiment
In order that the present invention can be more clearly and readily understood, right below according to specific embodiment and in conjunction with attached drawing
The present invention is described in further detail.
As shown in Fig. 1 ~ 6, a kind of mounting device for engine gudgeon pin, it includes:
Rack is provided with support 4 in the rack；
It is mounted on the rack and is used to position the positioning sleeve 6 of piston 5；
Guide post 3, the installation of guide post 3 is on the carrier 4；
Sliding sleeve 2, the sliding sleeve 2 slideably cover on guide post 3, and the sliding sleeve 2 can be sliding along the axial direction of guide post 3
Dynamic, and the pin hole 511 for the piston 5 being inserted on positioning sleeve 6, the right side of the sliding sleeve 2 is against piston pin 9 against end face,
The left side of the sliding sleeve 2 makes piston pin 9 and sliding sleeve 2 in pin hole 511 to fill in the pin hole 511 of piston 5 when piston pin 9
Stroke is moved to left to position the positioning end of the position in pin hole 511 of piston pin 9 for limit sliding sleeve 2 when being inside moved to the left together
Face；
Locating piece, the locating piece are flexibly connected on the carrier 4, are located at locating piece will pass through the movement locating piece
Region between support 4 and sliding sleeve 2 or the region being detached between support 4 and sliding sleeve 2, when locating piece be located at support 4 and sliding sleeve 2 it
Between region, and piston pin 9 in the pin hole 511 of piston 5 it is mobile in place when, the positioning end face of the sliding sleeve 2 and locating piece
Right side offset, the left side of the locating piece and the right side of the support 4 offset.
As shown in Fig. 3,6, the locating piece is position fixing handle 1, and the position fixing handle 1 is hinged on the carrier 4, the positioning
It is provided with to encircle on handle 1 and encircles portion in 3 outer circle of guide post.
Stroke is moved to right on guide post 3 as shown in Fig. 2, being provided between the sliding sleeve 2 and the guide post 3 and limiting sliding sleeve 2
Position-limit mechanism, the position-limit mechanism include be mounted on the right part of guide post 3 limited block 8 and the inner hole being arranged in sliding sleeve 2
Seam allowance, the limited block 8 protrude the guide post 3 in the radial direction thereof, when sliding sleeve 2 is shifted to the right on guide post 3, the limited block
8 resist the inner hole seam allowance.
As shown in Fig. 2, being provided with the location hole that can be used for being embedded in piston 5 on the positioning sleeve 6.
Contain in a kind of the step of application method of the mounting device for engine gudgeon pin, method:
(a) act the locating piece, locating piece made to be detached from the region between support 4 and sliding sleeve 2, by sliding sleeve 2 along guide post 3 to
It moves left to the positioning end face of sliding sleeve 2 and the right side of support 4 and offsets；The heating of piston 5 is placed in positioning sleeve 6 and is positioned, it will
The microcephaly of connecting rod 7 is put into piston 5, and is consistent the axis of the pin hole 511 of small head bore 513 and piston 5 on connecting rod 7；
(b) sliding sleeve 2 is moved right along guide post 3, successively penetrates the pin hole 511 in 5 left side of piston, the small head bore 513 of connecting rod 7
With the pin hole 511 on 5 right side of piston, the locating piece is acted, region of the locating piece between support 4 and sliding sleeve 2, and institute are made
The right side of the left side and the support 4 of stating locating piece offsets；
(c) piston pin 9 is filled in be against in the pin hole 511 on the right side of piston 5 sliding sleeve 2 against end face, push piston pin 9 with
Sliding sleeve 2 is moved to the left together, and until the positioning end face of the sliding sleeve 2 and the right side of locating piece offset, piston pin 9 is installed to
Position.
Also contain in the step of method:
(d) acting the locating piece makes locating piece be detached from the region between support 4 and sliding sleeve 2, by sliding sleeve 2 along guide post 3
The positioning end face and the right side of support 4 for being moved to sliding sleeve 2 to the left offset, by the piston rod part assembled from positioning sleeve
It is taken out in 6.
The present invention is heated to 110 DEG C or so in piston 5, and after expanding the pin hole 511 of piston 5, hot jacket piston pin 9 is assembled,
Piston and piston pin are due to interference fit press fitting, the skill of the easy stress deformation of piston 5 when fundamentally overcoming the assembly of traditional room temperature
Art defect.The apparatus structure compact, assembly is efficient and convenient, time saving and energy saving, will not cause to damage to piston rod part, passes through
It examines, the piston assembled using the device is not deformed at all, ensure that the quality of engine key components and parts, can be applied to
A large amount of engine productions and maintenance producer.
Particular embodiments described above, pair present invention solves the technical problem that, technical scheme and beneficial effects carry out
It is further described, it should be understood that the above is only a specific embodiment of the present invention, is not limited to this
Invention, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in this hair
Within bright protection scope.
Claims (5)
1. a kind of application method of the mounting device for engine gudgeon pin, the mounting device packet for engine gudgeon pin
It includes:
Rack is provided with support (4) in the rack；
It is mounted on the rack and is used to position the positioning sleeve (6) of piston (5)；
Guide post (3), the guide post (3) are mounted on support (4)；
Sliding sleeve (2), the sliding sleeve (2) slideably covers on guide post (3), and the sliding sleeve (2) can be along the axis of guide post (3)
To sliding, and the pin hole (511) for the piston (5) being inserted on positioning sleeve (6), the right side of the sliding sleeve (2) are against piston pin
(9) against end face, the left side of the sliding sleeve (2) is while to make to live when piston pin (9) fills in the pin hole (511) of piston (5)
Stroke is moved to left to position for limit sliding sleeve (2) when plug pin (9) and sliding sleeve (2) are moved to the left together in pin hole (511)
Positioning end face of the piston pin (9) in pin hole (511) interior position；
Locating piece, the locating piece are movably connected on support (4), so that locating piece is located at branch will pass through the movement locating piece
The region between region or disengaging support (4) and sliding sleeve (2) between seat (4) and sliding sleeve (2), when locating piece is located at support (4)
Region between sliding sleeve (2), and piston pin (9) in the pin hole (511) of piston (5) it is mobile in place when, the sliding sleeve (2)
Positioning end face and the right side of locating piece offset, the left side of the locating piece and the right side of the support (4) offset；
It is characterized in that containing in the step of method:
(a) locating piece is acted, so that locating piece is detached from the region between support (4) and sliding sleeve (2), by sliding sleeve (2) along guide post
(3) right side of the positioning end face and support (4) that are moved to the left sliding sleeve (2) offsets；Piston (5) heating is placed on positioning sleeve
(6) positioning, the microcephaly of connecting rod (7) is put into piston (5) in, and makes the small head bore (513) and piston (5) on connecting rod (7)
The axis of pin hole (511) is consistent；
(b) sliding sleeve (2) is moved right along guide post (3), successively penetrate pin hole (511) on the left of piston (5), connecting rod (7) it is small
Pin hole (511) on the right side of head bore (513) and piston (5), acts the locating piece, and locating piece is made to be located at support (4) and sliding sleeve (2)
Between region, and the left side of the locating piece and the right side of the support (4) offset；
(c) by be against in pin hole (511) that piston pin (9) is filled on the right side of piston (5) sliding sleeve (2) against end face, push piston
Pin (9) is moved to the left together with sliding sleeve (2), until the positioning end face of the sliding sleeve (2) and the right side of locating piece offset, piston
Pin (9) is installed in place.
2. application method according to claim 1, it is characterised in that also contain in the step of method:
(d) acting the locating piece makes locating piece be detached from the region between support (4) and sliding sleeve (2), by sliding sleeve (2) along guide post
(3) right side of the positioning end face and support (4) that are moved to sliding sleeve (2) to the left offsets, the piston rod part that will be assembled
It is taken out from positioning sleeve (6).
3. application method according to claim 1, it is characterised in that: the locating piece is position fixing handle (1), the positioning
Handle (1) is hinged on support (4), is provided with to encircle on the position fixing handle (1) and is encircled portion in guide post (3) outer circle.
4. application method according to claim 1, it is characterised in that: be arranged between the sliding sleeve (2) and the guide post (3)
There is the position-limit mechanism that moves to right stroke of the restriction sliding sleeve (2) on guide post (3), the position-limit mechanism includes being mounted on guide post (3)
The limited block (8) of right part and the inner hole seam allowance being arranged in sliding sleeve (2), described in the limited block (8) is protruded in the radial direction thereof
Guide post (3), when sliding sleeve (2) is shifted to the right on guide post (3), the limited block (8) resists the inner hole seam allowance.
5. application method according to claim 1, it is characterised in that: being provided on the positioning sleeve (6) can be used for being embedded in
The location hole of piston (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710251852.1A CN106944974B (en) | 2017-04-17 | 2017-04-17 | Mounting device and its application method for engine gudgeon pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710251852.1A CN106944974B (en) | 2017-04-17 | 2017-04-17 | Mounting device and its application method for engine gudgeon pin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106944974A CN106944974A (en) | 2017-07-14 |
| CN106944974B true CN106944974B (en) | 2019-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710251852.1A Active CN106944974B (en) | 2017-04-17 | 2017-04-17 | Mounting device and its application method for engine gudgeon pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106944974B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2575257B (en) * | 2018-07-02 | 2020-11-04 | Caterpillar Energy Solutions Gmbh | Apparatus for positioning a connecting rod relative to components underlying a cylinder of an engine block |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6442817B1 (en) * | 2000-11-10 | 2002-09-03 | Richard C. Swanson | Tool for replacing brake camshaft bushing in suspension chassis |
| CN201342657Y (en) * | 2008-12-25 | 2009-11-11 | 比亚迪股份有限公司 | Connecting rod and piston assembling device |
| CN202292041U (en) * | 2011-09-29 | 2012-07-04 | 长城汽车股份有限公司 | Auxiliary support mechanism for press fitting of piston pin |
| CN206084903U (en) * | 2016-09-30 | 2017-04-12 | 安徽江淮汽车集团股份有限公司 | Engine gudgeon pin installs frock |
| CN206690010U (en) * | 2017-04-17 | 2017-12-01 | 常州机电职业技术学院 | Erecting device for engine gudgeon pin |
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2017
- 2017-04-17 CN CN201710251852.1A patent/CN106944974B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106944974A (en) | 2017-07-14 |
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