CN104626002A - Cylinder sleeve limiting stopper, method for replacing cylinder sleeve of engine and piston ring of engine - Google Patents
Cylinder sleeve limiting stopper, method for replacing cylinder sleeve of engine and piston ring of engine Download PDFInfo
- Publication number
- CN104626002A CN104626002A CN201410840451.6A CN201410840451A CN104626002A CN 104626002 A CN104626002 A CN 104626002A CN 201410840451 A CN201410840451 A CN 201410840451A CN 104626002 A CN104626002 A CN 104626002A
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- Prior art keywords
- cylinder sleeve
- piston
- outer peripheral
- cylinder
- peripheral face
- 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
-
- 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
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/28—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same positioning or withdrawing resilient bushings or the like
-
- 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
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- 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
- B25B27/12—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 mounting or demounting piston rings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The invention provides a cylinder sleeve limiting stopper, a method for replacing a cylinder sleeve of an engine and a piston ring of the engine, wherein the cylinder sleeve limiting stopper is used for replacing the cylinder sleeve of the engine and/ or the piston ring of the engine. The cylinder sleeve limiting stopper comprises a hollow main body (1) which detachably sleeves on the periphery face of the piston and can limit an opening of the piston ring of the piston and allows the opening to close, the inner circumferential face of the main body is in a sliding fit with the periphery face of the piston, and the a cylinder hole is formed in the periphery face of the main body, wherein a cylinder body can be inserted into the cylinder hole. The cylinder sleeve limiting stopper can improve the replacing efficiency of replacing the cylinder sleeve or the piston ring.
Description
Technical field
The present invention relates to erecting tools, particularly, relate to a kind of cylinder sleeve stop, change the method for cylinder sleeve of engine and change the method for engine piston ring.
Background technology
Cylinder sleeve is for being arranged in the cylinder barrel of engine cylinder-body, and jointly form combustion chamber with piston and cylinder cap, because cylinder sleeve working surface to contact with the combustion gas of high temperature, high pressure and the piston ring of piston is done to move back and forth at a high speed at cylinder sleeve working surface, cylinder sleeve may cause working surface wearing and tearing or the distortion of cylinder sleeve for a long time under this severe working environment, and then cause the circularity and the cylindricity that affect cylinder sleeve, therefore need to change cylinder sleeve and just can solve the problem.In the prior art, need when changing cylinder sleeve or piston ring could change cylinder sleeve or piston ring from piston rod and piston entirety being extracted after piston rod dismantled by bent axle, it is low that this method not only changes efficiency, and piston rod fastening bolt is not quick detachable, and piston rod fastening bolt may be damaged in dismounting piston rod fastening bolt process, thus cause needing integral replacing piston rod.Therefore, proposing a kind of method that can improve the replacing efficiency of cylinder sleeve or piston ring is problem to be solved in prior art.
Summary of the invention
The object of this invention is to provide a kind of method that can improve the cylinder sleeve stop of the replacing efficiency of cylinder sleeve or piston ring, the method changing cylinder sleeve of engine and replacing engine piston ring.
To achieve these goals, according to an aspect of the present invention, the invention provides a kind of cylinder sleeve stop, described cylinder sleeve stop is used for the cylinder sleeve more reengined and/or piston ring, this cylinder sleeve stop comprise the outer peripheral face that removably can be set in piston and the opening that can limit the piston ring of described piston with the main body of the hollow that can make described opening and close, the inner peripheral surface of this main body coordinates slidably with the outer peripheral face of described piston, and the outer peripheral face of described main body is formed as the cylinder holes can inserting described cylinder body.
Preferably, described main body comprises at least two gripper shoes removably connecting and also can surround the outer peripheral face of described piston.
Preferably, described gripper shoe is two, and these two gripper shoes are hinged each other and about being symmetrical arranged through hinge axes.
Also preferably, between the articulated position of described two gripper shoes, gap can be had.
In addition, preferably, described cylinder sleeve stop comprises the locating part being closed to the closed position of the outer peripheral face that can surround described piston for limiting described two gripper shoes.
Preferably, one end of described main body is radial projecting annular flange flange, is formed with rounding between described main body and described flange.
Preferably, the thickness of described main body is set to 2-5mm.
In addition, according to a further aspect in the invention, the present invention also provides a kind of method changing cylinder sleeve of engine, and the method step comprises: move the piston be arranged in the cylinder body of engine and under the state making described piston be placed in piston top dead center, dismantle cylinder sleeve to be removed; Cylinder sleeve stop as above is arranged on the outer peripheral face of described piston, thus the opening limiting described piston ring is in closure state to make described opening; The bottom surface of described cylinder sleeve to be replaced is contacted from the outer peripheral face that the top of described piston cover installs to described piston with the upper surface of described cylinder sleeve stop cylinder sleeve to be replaced, promote described cylinder sleeve stop until described cylinder sleeve to be replaced is sleeved on the outer peripheral face of described piston completely by described cylinder sleeve to be replaced, and be inserted in the cylinder holes of described cylinder body; Open crankcase port lid and described cylinder sleeve stop is taken out to outside.
Preferably, before the described cylinder sleeve stop of taking-up, described piston is moved to piston lower dead center.
In addition, according to a further aspect in the invention, the present invention also provides a kind of method changing engine piston ring, and the method step comprises: move the piston be arranged in the cylinder body of engine and under the state making described piston be placed in piston top dead center, dismantle cylinder sleeve and piston ring to be removed; Piston ring to be replaced is arranged in the annular groove of described piston, and cylinder sleeve stop as above is arranged on the outer peripheral face of described piston, thus the opening limiting the piston ring of described piston is in closure state to make described opening; The bottom surface of described cylinder sleeve is contacted from the outer peripheral face that the top of described piston cover installs to described piston with the upper surface of described cylinder sleeve stop described cylinder sleeve, promote described cylinder sleeve stop until described cylinder sleeve is sleeved on the outer peripheral face of described piston completely by described cylinder sleeve, and be inserted in the cylinder holes of described cylinder body; Open crankcase port lid and described cylinder sleeve stop is taken out to outside.
Pass through technique scheme, namely, with the opening that can limit original piston ring or piston ring to be replaced, the opening of whole piston ring is closed by being set in by cylinder sleeve stop on piston, in this case, by original cylinder sleeve or cylinder sleeve to be replaced are installed to the outer peripheral face of piston from the top cover of piston, original cylinder sleeve or cylinder sleeve to be replaced is made to promote cylinder sleeve stop until original cylinder sleeve or cylinder sleeve to be replaced are sleeved on the outer peripheral face of piston completely, and be inserted in the cylinder holes of described engine cylinder-body, thus complete the operation changing cylinder sleeve and/or piston ring easily, improve the replacing efficiency of cylinder sleeve or piston ring.
Other features and advantages of the present invention are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Fig. 1 is the structure chart of the cylinder sleeve stop of the specific embodiment of the invention.
Fig. 2 is the structure chart of the locating part of the cylinder sleeve stop of the specific embodiment of the invention.
Description of reference numerals
1 main body 2 gripper shoe
3 flange 4 locating parts
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
According to an aspect of the present invention, the invention provides the cylinder sleeve stop of a kind of cylinder sleeve for more reengining and/or piston ring, this cylinder sleeve stop comprise the outer peripheral face that removably can be set in piston and can the opening of piston ring of limited piston with the main body 1 of the hollow that can make described opening and close, the inner peripheral surface of this main body 1 coordinates slidably with the outer peripheral face of piston, and the outer peripheral face of main body 1 is formed as the cylinder holes can inserting cylinder body.Wherein, main body 1 can form as one or can connect as one and can be set in piston outer peripheral face and can the opening of piston ring of limited piston, such as, particularly, main body 1 can comprise the multiple gripper shoes removably connecting and also can surround the outer peripheral face of piston, or main body 1 can comprise and can be assembled into one and surround multiple gripper shoes of the outer peripheral face of piston, thus closed duty can be in by the opening of the piston ring of cylinder sleeve stop limited piston to make the opening of piston ring when changing cylinder sleeve and/or piston ring, cylinder sleeve is easily installed between piston and cylinder holes by the guiding of cylinder sleeve stop in this case, improve the replacing efficiency of cylinder sleeve or piston ring.But the present invention is not limited thereto, described main body 1 is formed as removably being set in the outer peripheral face of piston and the opening that can limit the piston ring of described piston closes can make described opening, and the outer peripheral face of main body 1 is formed as the cylinder holes can inserting cylinder.
At this, the circularity of the inner peripheral surface of cylinder sleeve stop should be consistent, when making cylinder sleeve stop be set in the outer peripheral face of piston can with piston and piston ring comprehensive engagement, and the inner peripheral surface of cylinder sleeve stop should keep level and smooth, make can glide smoothly and prevent catching phenomenon when cylinder sleeve stop and piston ring contact.
Preferably, described main body 1 comprises at least two gripper shoes 2 removably connecting and also can surround the outer peripheral face of piston.According to an embodiment of the invention, as shown in Figure 1, described main body 1 comprises two gripper shoes 2, the outer peripheral face that these two gripper shoes 2 can surround piston makes the opening of piston ring close, at this, the open side of two gripper shoes 2 and the superposition of end gap of piston ring when two gripper shoes 2 should be avoided to surround the outer peripheral face of piston, thus prevent the opening of piston ring to be exposed to the open side of two gripper shoes 2.
Preferably, as shown in Figure 1, described gripper shoe 2 is two, and these two gripper shoes 2 are hinged each other and about being symmetrical arranged through hinge axes.Such as, two gripper shoes 2 are hinged each other and be symmetrical arranged about through hinge axes by hinge, thus are convenient to processing and install.But the present invention is not limited thereto, also gripper shoe 2 can be set to other structures.In the illustrated embodiment, each gripper shoe 2 is formed as the semi-circular cylindrical cut open vertically, thus can be surrounded the complete cylindrical structure of the outer peripheral face of piston by hinged formation.
Also preferably, between the articulated position of two gripper shoes 2, gap can be had, make two gripper shoes 2 realize the operation relatively opened or closed neatly.
In addition, preferably, cylinder sleeve stop comprises the locating part 4 being closed to the closed position of the outer peripheral face that can surround piston for limiting two gripper shoes 2.Locating part 4 can adopt various suitable form, as long as can limit gripper shoe 2 to close at closed position.Such as, as shown in Figure 2, locating part 4 can be formed as clip form, thus can install on the body 1 and by engaging two gripper shoes 2 are closed to the closed position of the outer peripheral face that can surround piston, be successfully set on the outer peripheral face of piston by the guiding of cylinder sleeve stop to make cylinder sleeve.At this, the medium position that locating part 4 is preferably mounted at piston is with can effectively fastening two gripper shoes 2.But the present invention is not limited thereto, described locating part 4 can be formed as other structures, as long as can limit two gripper shoes 2 to be closed to closed position, such as, locating part 4 can be formed on the outer peripheral face of described main body 1.
Preferably, one end of main body 1 is radial projecting annular flange flange 3, is formed with rounding between main body 1 and flange 3.Wherein, when cylinder sleeve stop is set in the outer peripheral face of piston, the end face that with piston rod be connected of one end near piston of flange 3 can be provided with, namely, one end of first inserting cylinder holes of cylinder sleeve stop is provided with flange 3, this flange 3 can make the axis of piston overlapping with the axis of cylinder holes at cylinder holes inner support piston, thus cylinder sleeve to be replaced can be made to be easily inserted in cylinder holes.At this, cylinder sleeve stop can be made successfully to slide on the outer peripheral face of piston by forming rounding between main body 1 and flange 3.
Preferably, the thickness of main body 1 can be set to 2-5mm, if when the thickness of main body 1 is less than 2mm, thickness due to cylinder sleeve stop is narrow and make it operationally may cause producing cylinder sleeve stop to snap in phenomenon in cylinder sleeve, if the thickness of main body 1 is greater than 5mm, can increases the weight of cylinder sleeve stop and reduce the flexibility of cylinder sleeve stop.
In addition, according to a further aspect in the invention, the present invention also provides a kind of method changing cylinder sleeve of engine, and the method step comprises: move the piston be arranged in the cylinder body of engine and under the state making piston be placed in piston top dead center, dismantle cylinder sleeve to be removed; Cylinder sleeve stop as above is arranged on the outer peripheral face of piston, thus the opening of limited piston ring is in closure state to make described opening; The bottom surface of cylinder sleeve to be replaced is contacted from the outer peripheral face that the top of piston cover installs to piston with the upper surface of cylinder sleeve stop cylinder sleeve to be replaced, promote cylinder sleeve stop until cylinder sleeve to be replaced is sleeved on the outer peripheral face of piston completely by cylinder sleeve to be replaced, and be inserted in the cylinder holes of cylinder body; Open crankcase port lid and cylinder sleeve stop is taken out to outside.
Wherein, after by cylinder sleeve dismounting to be removed, first check that piston is with or without damage, with or without obviously scratch, piston pin, can whether intact or piston and connecting rod freely activity etc. with or without obvious crackle, piston body for such as piston top, and clears up the carbon distribution in piston upper surface, side and piston ring groove.
By changing the method for cylinder sleeve of engine as above, under can the opening of piston ring being made to be in the duty of remaining silent by the guiding of cylinder sleeve stop on the basis not needing dismounting piston rod, cylinder sleeve to be replaced be easily mounted between the outer peripheral face of piston and cylinder holes, thus improves the replacing efficiency of cylinder sleeve.
Preferably, before taking-up cylinder sleeve stop, piston is moved to piston lower dead center, thus be convenient to take out cylinder sleeve stop.
In addition, according to a further aspect in the invention, the present invention also provides a kind of method changing engine piston ring, and the method step comprises: move the piston be arranged in the cylinder body of engine and under the state making piston be placed in piston top dead center, dismantle cylinder sleeve and piston ring to be removed; Piston ring to be replaced is arranged in the annular groove of piston, and cylinder sleeve stop as above is arranged on the outer peripheral face of piston, thus the opening of the piston ring of limited piston is in closure state to make described opening; The bottom surface of cylinder sleeve is contacted with the upper surface of cylinder sleeve stop from the outer peripheral face that the top of piston cover installs to piston cylinder sleeve, by cylinder sleeve promotion cylinder sleeve stop until cylinder sleeve is sleeved on the outer peripheral face of piston completely, and be inserted in the cylinder holes of cylinder body; Open crankcase port lid and cylinder sleeve stop is taken out to outside.Wherein, before taking-up cylinder sleeve stop, preferably piston is moved to piston lower dead center, thus be convenient to take out cylinder sleeve stop.
Cylinder sleeve and/or piston ring easily can be changed by cylinder sleeve stop as above, namely, by cylinder sleeve stop being set on piston can the opening of piston ring make the opening of whole piston ring close, under piston ring is in running order, by cylinder sleeve is installed to the outer peripheral face of piston from the top cover of piston, cylinder sleeve is made to promote cylinder sleeve stop until cylinder sleeve is sleeved on the outer peripheral face of piston completely, and be inserted in the cylinder holes of engine cylinder-body, thus under the state not needing removing of piston ring, just can realize the operation changing cylinder sleeve and/or piston ring easily, improve the replacing efficiency of cylinder sleeve or piston ring.
In addition, in the method for above-mentioned replacing cylinder sleeve and the method for more rering, should be noted that following some:
A, cylinder sleeve stop to be set on piston also (such as by the main body 1 of the fastening cylinder sleeve stop of locating part 4) and limit the opening of described piston ring time, the main body 1 that need be fastened to cylinder sleeve stop touch substantially with the outer peripheral face of piston, avoids by the fastening phenomenon too tightly causing cylinder sleeve stop not glide at these needs.
The surface contacted with cylinder sleeve to be replaced of b, cylinder sleeve stop and the upper surface of cylinder sleeve stop need to be set to smooth, uniform stressed when cylinder sleeve stop is contacted with cylinder sleeve to be replaced and stably moving.
In addition, the axis of the axis of piston and cylinder holes can be made overlapping by arranging flange 3 in one end of the main body 1 of cylinder sleeve stop, thus in the outer peripheral face that cylinder sleeve can be made more successfully to be installed on piston and cylinder holes.In addition, cylinder sleeve stop structure of the present invention is simple and be convenient to processing.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible combination.
In addition, also can be combined between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. a cylinder sleeve stop, it is characterized in that, described cylinder sleeve stop is used for the cylinder sleeve more reengined and/or piston ring, this cylinder sleeve stop comprise the outer peripheral face that removably can be set in piston and the opening that can limit the piston ring of described piston with the main body (1) of the hollow that can make described opening and close, the inner peripheral surface of this main body (1) coordinates slidably with the outer peripheral face of described piston, and the outer peripheral face of described main body (1) is formed as the cylinder holes can inserting cylinder body.
2. cylinder sleeve stop according to claim 1, is characterized in that, described main body (1) comprises at least two gripper shoes (2) removably connecting and also can surround the outer peripheral face of described piston.
3. cylinder sleeve stop according to claim 2, is characterized in that, described gripper shoe (2) is two, and these two gripper shoes (2) are hinged each other and about being symmetrical arranged through hinge axes.
4. cylinder sleeve stop according to claim 3, is characterized in that, has gap between the articulated position of described two gripper shoes (2).
5. cylinder sleeve stop according to claim 3, is characterized in that, described cylinder sleeve stop comprises the locating part (4) being closed to the closed position of the outer peripheral face that can surround described piston for limiting described two gripper shoes (2).
6. cylinder sleeve stop according to claim 1, it is characterized in that, one end of described main body (1) is radial projecting annular flange flange (3), is formed with rounding between described main body (1) and described flange (3).
7. cylinder sleeve stop according to claim 1, is characterized in that, the thickness of described main body (1) is set to 2-5mm.
8. change a method for cylinder sleeve of engine, it is characterized in that, the method step comprises:
Move the piston be arranged in the cylinder body of engine and under the state making described piston be placed in piston top dead center, dismantle cylinder sleeve to be removed;
Cylinder sleeve stop according to any one of claim 1-7 is arranged on the outer peripheral face of described piston, thus the opening limiting described piston ring is in closure state to make described opening;
The bottom surface of described cylinder sleeve to be replaced is contacted from the outer peripheral face that the top of described piston cover installs to described piston with the upper surface of described cylinder sleeve stop cylinder sleeve to be replaced, promote described cylinder sleeve stop until described cylinder sleeve to be replaced is sleeved on the outer peripheral face of described piston completely by described cylinder sleeve to be replaced, and be inserted in the cylinder holes of described cylinder body;
Open crankcase port lid and described cylinder sleeve stop is taken out to outside.
9. the method for replacing cylinder sleeve of engine according to claim 8, is characterized in that, before the described cylinder sleeve stop of taking-up, described piston is moved to piston lower dead center.
10. change a method for engine piston ring, it is characterized in that, the method step comprises:
Move the piston be arranged in the cylinder body of engine and under the state making described piston be placed in piston top dead center, dismantle cylinder sleeve and piston ring to be removed;
Piston ring to be replaced is arranged in the annular groove of described piston, and the cylinder sleeve stop according to any one of claim 1-7 is arranged on the outer peripheral face of described piston, thus the opening limiting the piston ring of described piston is in closure state to make described opening;
The bottom surface of described cylinder sleeve is contacted from the outer peripheral face that the top of described piston cover installs to described piston with the upper surface of described cylinder sleeve stop described cylinder sleeve, promote described cylinder sleeve stop until described cylinder sleeve is sleeved on the outer peripheral face of described piston completely by described cylinder sleeve, and be inserted in the cylinder holes of described cylinder body;
Open crankcase port lid and described cylinder sleeve stop is taken out to outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410840451.6A CN104626002B (en) | 2014-12-30 | 2014-12-30 | Cylinder sleeve stop, replacing cylinder sleeve of engine and the method for engine piston ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410840451.6A CN104626002B (en) | 2014-12-30 | 2014-12-30 | Cylinder sleeve stop, replacing cylinder sleeve of engine and the method for engine piston ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104626002A true CN104626002A (en) | 2015-05-20 |
| CN104626002B CN104626002B (en) | 2016-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410840451.6A Active CN104626002B (en) | 2014-12-30 | 2014-12-30 | Cylinder sleeve stop, replacing cylinder sleeve of engine and the method for engine piston ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104626002B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109551419A (en) * | 2018-09-25 | 2019-04-02 | 浙江吉利汽车有限公司 | A kind of oil cylinder of press machine sealing ring replacing options |
| CN110529214A (en) * | 2019-08-16 | 2019-12-03 | 东风商用车有限公司 | A kind of rocker arm axial limit structure |
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| CN2496602Y (en) * | 2001-08-28 | 2002-06-26 | 宝山钢铁股份有限公司 | Piston ring anchor ear apparatus |
| DE102011104399A1 (en) * | 2011-06-16 | 2012-01-05 | Daimler Ag | Tool for mounting piston with piston ring in cylinder opening, particularly internal combustion engine, has clamping element with receiving area, where clamping element is adjustable between clamping position and loosening position |
| CN202318217U (en) * | 2011-11-18 | 2012-07-11 | 玉柴重工（常州）有限公司 | Special tool for mounting and dismounting engine piston ring |
| CN203293113U (en) * | 2013-04-29 | 2013-11-20 | 东风朝阳朝柴动力有限公司 | Multipurpose motor piston mounting mould |
| CN203343721U (en) * | 2013-06-03 | 2013-12-18 | 河北钢铁股份有限公司邯郸分公司 | Tool for replacing diesel engine air cylinder sleeve and piston ring |
| CN204397667U (en) * | 2014-12-30 | 2015-06-17 | 中国神华能源股份有限公司 | Cylinder sleeve stop |
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2014
- 2014-12-30 CN CN201410840451.6A patent/CN104626002B/en active Active
Patent Citations (6)
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| CN2496602Y (en) * | 2001-08-28 | 2002-06-26 | 宝山钢铁股份有限公司 | Piston ring anchor ear apparatus |
| DE102011104399A1 (en) * | 2011-06-16 | 2012-01-05 | Daimler Ag | Tool for mounting piston with piston ring in cylinder opening, particularly internal combustion engine, has clamping element with receiving area, where clamping element is adjustable between clamping position and loosening position |
| CN202318217U (en) * | 2011-11-18 | 2012-07-11 | 玉柴重工（常州）有限公司 | Special tool for mounting and dismounting engine piston ring |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109551419A (en) * | 2018-09-25 | 2019-04-02 | 浙江吉利汽车有限公司 | A kind of oil cylinder of press machine sealing ring replacing options |
| CN110529214A (en) * | 2019-08-16 | 2019-12-03 | 东风商用车有限公司 | A kind of rocker arm axial limit structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104626002B (en) | 2016-11-16 |
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