CN106541361B - Bushing press-mounting instrument - Google Patents
Bushing press-mounting instrument Download PDFInfo
- Publication number
- CN106541361B CN106541361B CN201610978614.6A CN201610978614A CN106541361B CN 106541361 B CN106541361 B CN 106541361B CN 201610978614 A CN201610978614 A CN 201610978614A CN 106541361 B CN106541361 B CN 106541361B
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- CN
- China
- Prior art keywords
- pressure head
- bushing
- oilhole
- gag lever
- lever post
- Prior art date
- 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.)
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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
- B25B27/06—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 sleeves or bearing races
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a kind of bushing press-mounting instruments.The bushing press-mounting instrument includes：Pressure head component, including：Oilhole gag lever post；Pressure head, bushing to be pressed are arranged on the outer circumferential surface of the pressure head, and the outer circumferential surface of the pressure head is perforated equipped with oilhole gag lever post；Eccentric shaft, the eccentric shaft include：Main shaft and positioned at the main shaft one end and the pulling axis eccentric with it, what the main shaft can rotate is threaded through in the pressure head, and the shifting block slot of the pulling axis and the oilhole gag lever post coordinates；And handle, it is arranged on the other end of the eccentric shaft；It takes over, its one end is connected with the pressure head component；And /V end, its one end is connected with the other end taken over, for connecting hydraulic test.The bushing press-mounting instrument promotes oilhole gag lever post to be positioned by the handle of rotary press head front end, and position gap is small, accurate positioning.
Description
Technical field
The present invention relates to engine bushing press-mounting field, more particularly to a kind of bushing press-mounting instrument.
Background technology
Engine is the dynamic power machine that thermal energy is converted to mechanical movement, its valve actuating mechanism is the machine for controlling engine breathing
Structure, wherein camshaft directly control the opening and closing of cylinder block valve.For non-Removal of OHC System, supporting cam wheel axis rotary motion
Camshaft hole is typically designed in cylinder block, its inner wall design oil duct leads to lubricating oil, and lubricating oil is provided in camshaft motion.It is convex
Axle hole is the skeleton of supporting cam wheel movement, and before camshaft is installed, camshaft hole needs to be pressed bushing.Cam shaft bush needs
It to be pressed by compression bar in camshaft hole, and require the oil hole in the oilhole alignment cam axis hole above bushing.Therefore compression bar
Positioning accuracy to bushing oil hole is camshaft hole key, is directly related to the press fitting quality of bushing.
The bushing press-mounting instrument of the prior art is as shown in Figures 1 to 5：One end of pressure head and take over 2 interference fit axis connection,
The other end of take over 2 is interference fitted axis connection with /V end 3.As shown in Fig. 2, screw 22 tightens pressure respectively through take over 2
Head and /V end 3.Pressure head and /V end 3 are subject to the limitation of screw 22 that cannot rotate, and ensure the relative position of the two.Such as Fig. 3,
Pressure head body 11 has the spring eye for placing spring 15, and the spring eye upper end of pressing plate 13 zooms in, and is only capable of receiving steel ball 12 and passes through part
Sphere.Pressure head body 11 and pressing plate 13 are fastened by screw 14.Steel ball 12 is subject to the power of spring 15, some sphere protrusion
Outside pressure head circumference.As shown in Figure 4, Figure 5, during work, bushing 5 is inserted in pressure head, and during press-in, steel ball 12 is acted on by bushing inner wall,
Spring 15 is compressed, steel ball 12 sinks.When the oilhole 511 of positioning to bushing 5, steel ball 12 is bounced again by spring force, stationary bushing
The position of oilhole.
The prior art has the disadvantage that：
1st, the steel ball 12 of existing positioning oilhole protrudes pressure head, pressure head is inserted in bushing always under the effect of spring 15
When, it is necessary to compress spring, steel ball is subject to very big spring force.During press-in, steel ball rolling bushing endoporus leaves one
Impression can so cause bushing endoporus to damage.If exempting to process after bushing press-in, which can make cam axle and lubrication
Into hidden danger.
2nd, there is very big gap, because being steel ball spherical surface, the rotation of bushing, enough between steel ball and bushing oil hole
Under active force, steel ball can be compressed again so that steel ball departs from bushing oil hole, bushing is caused to rotate, so as to cause bushing oil hole
It can not be aligned with the oil hole in bush hole.Position the oil duct that the ratio of precision of oilhole is relatively low, is easy to cause in bushing oil hole and hole
Hole is to not just.
The information for being disclosed in the background section is merely intended to increase the understanding of the general background to the present invention, without answering
When being considered as recognizing or imply that the information structure has been the prior art well known to persons skilled in the art in any form.
The content of the invention
It is an object of the invention to provide a kind of simple and reasonable bushing press-mounting instrument, which passes through
The handle of rotary press head front end promotes oilhole gag lever post to be positioned, and position gap is small, accurate positioning.In addition, oilhole gag lever post
The face of bushing oil hole is positioned as cylindrical surface, any Forced rotation is all limited be subject to oilhole gag lever post, and positioning is reliable.In addition,
Oilhole gag lever post is controlled to be retracted in pressure head by rotating handle to carry out bushing and be inserted in, bushing damage can be reduced.
To achieve the above object, the present invention provides a kind of bushing press-mounting instrument, which includes：Press head group
Part, including：Oilhole gag lever post, side offer shifting block slot；Pressure head, bushing to be pressed are arranged on the outer circumferential surface of the pressure head
On, the outer circumferential surface of the pressure head is perforated equipped with oilhole gag lever post；Eccentric shaft, the eccentric shaft include：Main shaft and positioned at the master turn
Axis one end and the pulling axis eccentric with it, what the main shaft can rotate is threaded through in the pressure head, the pulling axis and the oil
The shifting block slot cooperation of hole gag lever post；Handle is arranged on the other end of the eccentric shaft, for the eccentric shaft to be driven to revolve
Turn, and then by the eccentric rotary of the pulling axis oilhole gag lever post is promoted to move up and down, to position the lining of bushing to be pressed
Cover the position of oilhole；It takes over, its one end is connected with the pressure head component；And /V end, its one end with it is described take over it is another
One end connects, for connecting hydraulic test.
Preferably, in above-mentioned technical proposal, pressure head component further includes：Centring sleeve and stop screw, the centring sleeve have
Endoporus has the /V screw hole with stop screw cooperation of radial direction side week, and one end of the centring sleeve, which has, radially prolongs
The locating flange stretched circumferentially is uniformly provided with multiple bolts hole on the locating flange, is fastened on by screw on the pressure head.
Preferably, in above-mentioned technical proposal, the peripheral wall of centring sleeve offers axial steel ball limit hole, in the steel ball limit hole
Portion is laid with plug screw, spring, spring pad and steel ball, and the eccentric shaft further includes：Stop lug, the stop lug are arranged on institute
State the other end of main shaft, the radial direction both ends of one side lay respectively it is fluted, for cooperatively forming position with the steel ball
Response means.
Preferably, in above-mentioned technical proposal, the front end of pressure head is provided with guide sleeve mounting groove, and is equipped with guide sleeve.
Compared with prior art, the present invention has the advantages that：
1st, accurate positioning.Oilhole gag lever post can be promoted by the handle of rotary press head front end, because its end is cylinder,
Size corresponding with oilhole can be processed into.It is positioned compared with the prior art using steel ball, position gap is small, accurate positioning.
2nd, positioning is reliable.Because using certain spring force, the bellmouth of fixed eccentric shaft using steel ball, eccentric shaft reaches
During precalculated position, it is restricted from rotating.In addition, the face of oilhole gag lever post positioning bushing oil hole is cylindrical surface, bushing is being pressed into
During bush hole, any Forced rotation is all limited be subject to oilhole gag lever post.And the prior art, because being steel ball spherical surface, bushing
Rotation, under enough active forces, steel ball can be compressed again so that steel ball depart from bushing oil hole, bushing is caused to rotate, from
And cause bushing oil hole that can not be aligned with the oil hole in bush hole.
3rd, bushing damage is reduced.Before bushing is inserted in pressure head component, by rotating handle, oilhole gag lever post can be complete
It is retracted in pressure head, after bushing reaches precalculated position, oilhole gag lever post is rotated and is improved.The prior art positions the steel of oilhole
Pearl under the effect of spring, protrudes pressure head always.When being inserted in bushing, it is necessary to first compress spring.The process of oilhole is not reached
In, steel ball can extrude one of impression in bush inside.Bushing endoporus can so be caused to damage.In addition, the application motion is also set up
Guide sleeve, protection bushing front end allow bushing in accurate posture press-in bush hole.
Description of the drawings
Fig. 1 is the dimensional structure diagram of existing bushing press-mounting instrument.
Fig. 2 is the main structure diagram of existing bushing press-mounting instrument.
Fig. 3 is the A-A directions schematic cross-sectional view of Fig. 2.
Fig. 4 is the using state structure diagram of existing bushing press-mounting instrument.
Fig. 5 is existing bush structure schematic diagram to be pressed.
Fig. 6 is the structure diagram of the bushing press-mounting instrument of the present invention.
Fig. 7 is the pressure head component structure diagram of the bushing press-mounting instrument of the present invention.
Fig. 8 is the centring sleeve structure diagram of the bushing press-mounting instrument of the present invention.
Fig. 9 is the B-B directions schematic cross-sectional view of Fig. 8.
Figure 10 is the eccentric shaft dimensional structure diagram of the bushing press-mounting instrument of the present invention.
Figure 11 is the eccentric shaft main structure diagram of the bushing press-mounting instrument of the present invention.
Figure 12 is the C-C directions schematic cross-sectional view of Figure 11.
Figure 13 is the using state structure diagram of the bushing press-mounting instrument of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is described in detail, it is to be understood that the guarantor of the present invention
Shield scope is not restricted by specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " comprising " or its change
It changes such as "comprising" or " including " etc. and will be understood to comprise stated element or component, and do not exclude other members
Part or other components.
As shown in Figure 6 and Figure 7, the concrete structure of the bushing press-mounting instrument of specific embodiment includes according to the present invention：Pressure
Head assembly 6, take over 7 and /V end 8, wherein, pressure head component 6 is connected with take over 7 by the interference of axis, /V end 8 and is connect
Pipe 7 is connected by the interference of axis, and is fixed using screw 10, it is not allowed to rotate.Centring sleeve 67, the eccentric shaft of pressure head component 6
69 and handle 610 form a cam mechanism, moved up and down by the rotation forces oilhole gag lever post 61 of handle 610, to position
The position of bushing oil hole.I.e. before bushing 5 is inserted in pressure head component, by rotating handle 610, oilhole gag lever post 61 can be complete
It is retracted in pressure head 62, after bushing reaches precalculated position, oilhole gag lever post is rotated and is improved.Steel ball is provided on centring sleeve 67
Limit hole 6704, and steel ball 66, spring pad 65, spring 64 with being laid in the steel ball limit hole 6704, plug screw 63 and bias
Axis 69 forms a position response mechanism, and during eccentric shaft 69 rotates, steel ball 66 under spring force, reaches mesh
Cursor position, steel ball part enter the groove 6905 of eccentric shaft 69, send sound and generate resistance, and then send rotation and reach in advance
Position the signal put.
Specifically, as shown in fig. 7, pressure head component 6 includes：Oilhole gag lever post 61, pressure head 62, plug screw 63, spring 64, bullet
Spring pad 65, steel ball 66, centring sleeve 67, eccentric shaft 69, handle 610 and stop screw 612.Wherein, pressure head 62 has cylindrical surface
6201st, /V rod aperture 6202 and step surface 6203, cylindrical surface 6201 are used to position the inner cylinder face of bushing 5, and step surface 6203 is used
In the end face of positioning bushing 5.The front end of pressure head 62 is provided with guide sleeve mounting groove 6204, for coordinating with guide sleeve 9, is conducive to suitable
Bushing is pressed into bush hole by profit, is reduced bushing and is biased damage during discontinuity when starting to press against.
Oilhole gag lever post 61 is cylindric, is assembled with 6202 clearance fit of /V rod aperture of pressure head 62, oilhole gag lever post 61
Lower end there is positioning end, positioning end is used to position the face of bushing oil hole 501 as cylindrical surface, and bushing is in press-in bush hole
When, any Forced rotation is all limited be subject to oilhole gag lever post.The side of oilhole gag lever post 61 offers shifting block slot 6101, partially
The shifting block slot 6101 of the pulling axis incision oilhole gag lever post 61 of mandrel 69, to adjust two limit positions up and down of oilhole gag lever post 61
It puts.
As shown in Figure 8 and Figure 9, centring sleeve 67 is tubulose, has endoporus 6701, for wearing the main shaft of eccentric shaft 69
6901.There is in the side week of centring sleeve 67 the /V screw hole 6702 of radial direction, stop screw 612 is tightened in the /V screw hole 6702,
So as to limit position of the eccentric shaft 69 in centring sleeve 67.One end of centring sleeve 67 has the locating flange radially extended, positioning
Multiple bolts hole are circumferentially uniformly provided on flange, are fastened on by screw 68 on pressure head 62.
The peripheral wall of centring sleeve 67 offers axial steel ball limit hole 6704.Plug screw 63, spring 64, spring pad 65, steel ball 66
It being assembled into successively in the steel ball limit hole 6704 of centring sleeve 67, the end of the steel ball limit hole is tapered opening, after steel ball press-in,
Outside only a fraction protrusion centring sleeve.
As shown in Figure 10 to Figure 12, eccentric shaft 69 includes：Main shaft 6901, locating slot 6902, pulling axis 6903, stop lug
6906th, boss 6904 and groove 6905, wherein, 6701 clearance fit of endoporus of main shaft 6901 and centring sleeve 67, and can be
It is rotated in endoporus 6701.Locating slot 6902 is opened up along the circumferential direction of main shaft 6901, and stop screw 612 is tightened in the limit of centring sleeve 67
In the screw hole 6702 of position, end 6121 is stuck in the locating slot 6902 of eccentric shaft 69, so as to limit eccentric shaft 69 in centring sleeve 67
Interior position.Pulling axis 6903 is arranged on one end of main shaft 6901, and eccentric with main shaft 6901.Stop lug 6906 is arranged on
The other end of main shaft 6901, groove 6905 are the circular groove at two cone bottoms, are laid in 6906 one side of stop lug respectively
Radial direction both ends, for coordinating with steel ball 66.Due to steel ball 66 under spring force, when steel ball 66 is transferred to the groove 6905
When oilhole gag lever post 61 be located at upper and lower two extreme positions, a part for steel ball springs into 6905 forming position response means of groove,
It makes a sound prompting and has arrived at extreme position.Simultaneously by the effect of spring force and the conical lower portion of groove, temporarily lock
The position (needing certain power that can just be rotated away from extreme position) of oilhole gag lever post.Boss 6904 is laid in stop lug 6906
Another side.
The inner end fluting of handle 610, coordinates for the boss 6904 with eccentric shaft 69, and is tightened with screw 611 in bias
On axis 69.Oilhole gag lever post 61 and 6202 clearance fit of /V rod aperture of pressure head 62 are assembled, and the pulling axis 6903 of eccentric shaft 69 is cut
The shifting block slot 6101 of oilhole gag lever post 61.Handle 610 drives eccentric shaft 69 to rotate, since shifting block 6903 is compared with the master of eccentric shaft
Shaft is eccentric, so as to which oilhole gag lever post 61 be driven to move up and down.Oilhole can be promoted to limit by the handle 610 of rotary press head front end
Position bar 61, because its end is cylinder, can be processed into size corresponding with oilhole.Determined compared with the prior art using steel ball
Position, position gap is small, accurate positioning.
As shown in figure 13, during work, first oilhole gag lever post 61 is rotated to minimum extreme position, in spring force and steel ball
Under the action of 66, oilhole gag lever post 61 is locked in minimum extreme position, and pressure head 62 is sunk in the positioning end of oilhole gag lever post 61
/V rod aperture 6202 in.Then bushing 5 is inserted in pressure head component 6, the cylindrical surface 6201 of pressure head 62 positions the inner circle of bushing 5
Cylinder.The step surface 6203 of pressure head 62 positions the end face of bushing 5.The bushing oil hole 501 of bushing 5 is directed at oilhole gag lever post 61,
And rotate oilhole gag lever post to extreme higher position, oilhole gag lever post locks bushing oil hole position.Bushing is being inserted in press head group
Before part, by rotating handle 610, oilhole gag lever post 61 can be completely retracted in pressure head 62, after bushing reaches precalculated position,
Oilhole gag lever post is rotated and is improved, reduces bushing damage.
Figure 13 shows the bushing press-mounting instrument by the state of bushing press-in cylinder block camshaft hole.Wherein /V end 8
Connect hydraulic test.
Preferably, which further includes：Guide sleeve 9, the guide sleeve 9 are set in the guide sleeve installation of pressure head 62
On slot 6204, be conducive to that smoothly bushing is pressed into bush hole, reduce bushing and bias damage during discontinuity when starting to press against
Wound.
To sum up, which promotes oilhole gag lever post to be positioned by the handle of rotary press head front end, positions
Gap is small, accurate positioning.In addition, the face of oilhole gag lever post positioning bushing oil hole is cylindrical surface, any Forced rotation is all subject to
The limitation of oilhole gag lever post, positioning are reliable.In addition, by rotating handle oilhole gag lever post is controlled to be retracted in pressure head and carry out bushing
Be inserted in, can reduce bushing damage.
The description of the foregoing specific exemplary embodiment to the present invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explain that the certain principles of the present invention and its reality should
With so that those skilled in the art can realize and utilize the present invention a variety of exemplary implementation schemes and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (4)
1. a kind of bushing press-mounting instrument, which is characterized in that including：
Pressure head component, including：
Oilhole gag lever post, side offer shifting block slot；
Pressure head, bushing to be pressed are arranged on the outer circumferential surface of the pressure head, and the outer circumferential surface of the pressure head is perforated equipped with oilhole gag lever post；
Eccentric shaft, the eccentric shaft include：Main shaft and positioned at the main shaft one end and the pulling axis eccentric with it, the main shaft
What can be rotated is threaded through in the pressure head, and the shifting block slot of the pulling axis and the oilhole gag lever post coordinates；
Handle is arranged on the other end of the eccentric shaft, for the eccentric shaft to be driven to rotate, and then passes through the pulling axis
Eccentric rotary the oilhole gag lever post is promoted to move up and down, to position the position of the bushing oil hole of bushing to be pressed；
It takes over, its one end is connected with the pressure head component；And
/V end, its one end is connected with the other end taken over, for connecting hydraulic test.
2. bushing press-mounting instrument according to claim 1, which is characterized in that the pressure head component further includes：Centring sleeve and
Stop screw, the centring sleeve have endoporus, have the /V screw hole with stop screw cooperation of radial direction side week, described
One end of centring sleeve has the locating flange radially extended, and multiple bolts hole are circumferentially uniformly provided on the locating flange, leads to
Screw is crossed to be fastened on the pressure head.
3. bushing press-mounting instrument according to claim 2, which is characterized in that the peripheral wall of the centring sleeve offers axial steel
Pearl limit hole is laid with plug screw, spring, spring pad and steel ball inside the steel ball limit hole, and the eccentric shaft further includes：Backstop is convex
Edge, the stop lug are arranged on the other end of the main shaft, and the radial direction both ends of one side are laid fluted respectively, are used for
Position response mechanism is cooperatively formed with the steel ball.
4. bushing press-mounting instrument according to claim 1, which is characterized in that the front end of the pressure head is provided with guide sleeve installation
Slot, and guide sleeve is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610978614.6A CN106541361B (en) | 2016-11-08 | 2016-11-08 | Bushing press-mounting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610978614.6A CN106541361B (en) | 2016-11-08 | 2016-11-08 | Bushing press-mounting instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106541361A CN106541361A (en) | 2017-03-29 |
| CN106541361B true CN106541361B (en) | 2018-06-01 |
Family
ID=58395520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610978614.6A Active CN106541361B (en) | 2016-11-08 | 2016-11-08 | Bushing press-mounting instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106541361B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109318169A (en) * | 2018-09-21 | 2019-02-12 | 克诺尔车辆设备(苏州)有限公司 | A kind of positioning pipe provision for disengagement |
| CN117405547B (en) * | 2023-12-14 | 2024-03-15 | 武汉理工大学 | Indentation applying device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1192959A1 (en) * | 1983-12-22 | 1985-11-23 | 6-Е Киевское Производственное Объединение "Авторемонт" | Apparatus for pressing-out camshaft sleeves from i.c.engine cylinder block |
| US4894899A (en) * | 1988-05-04 | 1990-01-23 | George Hamatani | Camshaft bushing positioner |
| US5042132A (en) * | 1990-01-10 | 1991-08-27 | Cummins Engine Company, Inc. | Hydraulic cam bushing installation and removal tool |
| JP4079259B2 (en) * | 2002-12-13 | 2008-04-23 | 日産ディーゼル工業株式会社 | Press-fitting device |
| CN102950453A (en) * | 2011-08-29 | 2013-03-06 | 广西玉柴机器股份有限公司 | Camshaft bush installation tool of heavy-duty diesel engine |
| CN203712636U (en) * | 2013-12-17 | 2014-07-16 | 道依茨一汽（大连）柴油机有限公司 | Engine camshaft bush assembly structure |
| CN206140400U (en) * | 2016-11-08 | 2017-05-03 | 广西玉柴机器股份有限公司 | Bush press fitting tool |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11239928A (en) * | 1998-02-23 | 1999-09-07 | Kyowa Denki Kogyo Kk | Press-fit head for bush and press-fit device for bush using this press-fit head |
-
2016
- 2016-11-08 CN CN201610978614.6A patent/CN106541361B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1192959A1 (en) * | 1983-12-22 | 1985-11-23 | 6-Е Киевское Производственное Объединение "Авторемонт" | Apparatus for pressing-out camshaft sleeves from i.c.engine cylinder block |
| US4894899A (en) * | 1988-05-04 | 1990-01-23 | George Hamatani | Camshaft bushing positioner |
| US5042132A (en) * | 1990-01-10 | 1991-08-27 | Cummins Engine Company, Inc. | Hydraulic cam bushing installation and removal tool |
| JP4079259B2 (en) * | 2002-12-13 | 2008-04-23 | 日産ディーゼル工業株式会社 | Press-fitting device |
| CN102950453A (en) * | 2011-08-29 | 2013-03-06 | 广西玉柴机器股份有限公司 | Camshaft bush installation tool of heavy-duty diesel engine |
| CN203712636U (en) * | 2013-12-17 | 2014-07-16 | 道依茨一汽（大连）柴油机有限公司 | Engine camshaft bush assembly structure |
| CN206140400U (en) * | 2016-11-08 | 2017-05-03 | 广西玉柴机器股份有限公司 | Bush press fitting tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106541361A (en) | 2017-03-29 |
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