CN212095172U - Dry cylinder sleeve press-mounting tool - Google Patents
Dry cylinder sleeve press-mounting tool Download PDFInfo
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- CN212095172U CN212095172U CN202020635163.8U CN202020635163U CN212095172U CN 212095172 U CN212095172 U CN 212095172U CN 202020635163 U CN202020635163 U CN 202020635163U CN 212095172 U CN212095172 U CN 212095172U
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- cover plate
- sleeve
- dry cylinder
- press
- cylinder liner
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Abstract
The utility model discloses a dry cylinder sleeve press fitting tool, which comprises a sleeve, a first cover plate, a second cover plate, a connecting rod and a locking piece; the dry cylinder sleeve is sleeved outside the sleeve, the first cover plate and the second cover plate are connected to two ends of the sleeve respectively, the limiting block is arranged at one end of the connecting rod, the connecting rod penetrates through the second cover plate, the sleeve and the first cover plate in sequence and then is locked by the locking part, the first limiting part for limiting axial movement of the dry cylinder sleeve is arranged on the outside of one end of the sleeve or the first cover plate, and the second limiting part for limiting axial movement of the dry cylinder sleeve is arranged on the second cover plate. The utility model has the advantages that: when the second cover plate enters the engine body cylinder hole, accurate positioning can be carried out in the cylinder sleeve press-fitting process, the situation that the cylinder sleeve is not aligned to the center of the cylinder hole when in initial positioning is avoided, the dry-type cylinder sleeve is protected by the first limiting portion and the second limiting portion in the press-fitting process, deformation in the cylinder sleeve press-fitting process is reduced, and the cylinder sleeve press-fitting quality is guaranteed.
Description
Technical Field
The utility model relates to an engine assembling tool especially relates to a cylinder liner pressure equipment instrument.
Background
The cylinder sleeve is a cylindrical part and is arranged in a cylinder body hole of a machine body, and the cylinder sleeve is tightly pressed and fixed by a cylinder cover. The piston reciprocates in its bore and is cooled by cooling water located externally thereof. The cylinder working space is formed together with the cylinder cover and the piston; the dry cylinder liner has good strength and rigidity, but the inner and outer surfaces are finished.
A dry cylinder sleeve press-fitting tool is a press-fitting tool for a dry thin-wall cylinder sleeve of an engine. The press fitting process of the cylinder sleeve in the assembly process of the engine is particularly important, and the position degree of the cylinder sleeve in the press fitting process is required to be consistent with the center of a cylinder hole because the piston moves in the cylinder sleeve.
The traditional cylinder sleeve press fitting principle is that a pressure head is installed at the top of a cylinder sleeve, and then the pressure head is pressed into a cylinder hole of a machine body by an oil press.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in: the problem that the existing dry cylinder sleeve press-fitting tool cannot accurately position and is easy to deform is solved.
The utility model discloses a following technical means realizes solving above-mentioned technical problem:
the dry cylinder sleeve press-fitting tool comprises a sleeve, a first cover plate, a second cover plate, a connecting rod and a locking piece; the dry cylinder sleeve is sleeved outside the sleeve, the first cover plate and the second cover plate are connected to two ends of the sleeve respectively, the limiting block is arranged at one end of the connecting rod, the connecting rod penetrates through the second cover plate, the sleeve and the first cover plate in sequence and then is locked by the locking part, the first limiting part for limiting axial movement of the dry cylinder sleeve is arranged on the outside of one end of the sleeve or the first cover plate, and the second limiting part for limiting axial movement of the dry cylinder sleeve is arranged on the second cover plate.
The utility model discloses embolia the dry-type cylinder liner by telescopic one end, and spacing by first spacing portion, support the second apron at telescopic tip again, pass the second apron in proper order by the connecting rod, stretch out behind sleeve, the first apron, and be locked by the retaining member, the cooperation of second spacing portion and first spacing portion is spacing the dry-type cylinder liner between the two, with the pressure equipment instrument of assembling down dress to organism jar hole, use the hydraulic press to carry out the pressure equipment, after the pressure equipment finishes, lift retaining member and connecting rod, second cover off, take out first cover plate and sleeve by organism jar hole, accomplish the cylinder liner and impress the jar hole; at the pressure initial stage, the second apron gets into the organism jar hole earlier, can carry out the accurate positioning at cylinder liner pressure equipment in-process, avoids the cylinder liner to aim at the cylinder hole center when just fixing a position, at the in-process of impressing, and first spacing portion and the spacing portion of second protect the dry-type cylinder liner, reduce the deformation of cylinder liner pressure equipment in-process, guarantee cylinder liner pressure equipment quality.
Preferably, the sleeve is of a cylindrical structure, and the outer diameter of the sleeve is equal to or smaller than the inner diameter of the dry cylinder sleeve.
Preferably, the first limiting part is a stepped structure arranged on the periphery of the sleeve. The step surface of the first limiting part is a plane and is parallel to the end surface of the dry cylinder sleeve, so that the end surface deformation is avoided.
Preferably, the first cover plate has a circular plate-shaped structure, and a first connection hole for passing the connection rod is formed in a central portion of the first cover plate.
Preferably, the second cover plate is of a circular plate type structure, a second connecting hole for a connecting rod to pass through is formed in the center of the second cover plate, and the second limiting portion is of a step structure on the periphery of the second cover plate. The step surface of the second limiting part is a plane and is parallel to the end surface of the dry cylinder sleeve, so that the end surface deformation is avoided.
Preferably, the diameter of the second cover plate at the maximum diameter is equal to the outer diameter of the dry cylinder liner.
Preferably, the connecting rod is the round bar, the stopper is the nut structure, and the other end of connecting rod has the screw thread, the retaining member is lock nut, lock nut and connecting rod threaded connection.
Preferably, the distance between the first limiting part and the second limiting part is greater than the length of the dry cylinder sleeve.
Preferably, the first cover plate is provided with lightening holes.
Preferably, the second cover plate is provided with lightening holes. The lightening holes can reduce the weight of the whole press fitting tool.
The utility model has the advantages that:
(1) the utility model discloses embolia the dry-type cylinder liner by telescopic one end, and spacing by first spacing portion, support the second apron at telescopic tip again, pass the second apron in proper order by the connecting rod, stretch out behind sleeve, the first apron, and be locked by the retaining member, the cooperation of second spacing portion and first spacing portion is spacing the dry-type cylinder liner between the two, with the pressure equipment instrument of assembling down dress to organism jar hole, use the hydraulic press to carry out the pressure equipment, after the pressure equipment finishes, lift retaining member and connecting rod, second cover off, take out first cover plate and sleeve by organism jar hole, accomplish the cylinder liner and impress the jar hole; at the pressure initial stage, the second apron gets into the organism jar hole earlier, can carry out the accurate positioning at cylinder liner pressure equipment in-process, avoids the cylinder liner to aim at the cylinder hole center when just fixing a position, at the in-process of impressing, and first spacing portion and the spacing portion of second protect the dry-type cylinder liner, reduce the deformation of cylinder liner pressure equipment in-process, guarantee cylinder liner pressure equipment quality.
(2) The first limiting part and the second limiting part are of stepped structures, and stepped surfaces of the first limiting part and the second limiting part are planes and are parallel to the end surface of the dry cylinder sleeve, so that the end surface deformation is avoided;
(3) the lightening holes can reduce the weight of the whole press fitting tool.
Drawings
Fig. 1 is a schematic structural view of a dry cylinder liner press-fitting tool according to an embodiment of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is an enlarged view at B in FIG. 1;
FIG. 4 is a schematic illustration of the structure of a dry cylinder liner;
FIG. 5 is a half sectional view of the sleeve;
FIG. 6 is a schematic structural view of the first cover plate;
FIG. 7 is a front view of the second cover plate;
FIG. 8 is a half sectional view of FIG. 7;
FIG. 9 is a schematic structural view of the connecting rod;
fig. 10 is a schematic structural diagram of a dry cylinder liner press-fitting tool in the third embodiment of the present invention.
Reference numbers in the figures: the sleeve comprises a sleeve 1, a first limiting part 11, a first cover plate 2, a first connecting hole 21, a second cover plate 3, a second limiting part 31, a second connecting hole 32, a connecting rod 4, a limiting block 41, a thread 42, a locking part 5 and a dry cylinder sleeve 6.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1, the dry cylinder sleeve press-fitting tool comprises a sleeve 1, a first cover plate 2, a second cover plate 3, a connecting rod 4, a locking member 5 and a dry cylinder sleeve 6;
the dry cylinder sleeve 6 is sleeved outside the sleeve 1, the first cover plate 2 and the second cover plate 3 are respectively connected to two ends of the sleeve 1, the first cover plate 2 and the sleeve can be in threaded connection, interference fit connection or welding, and the second cover plate 3 and the sleeve 1 are pressed together by the connecting rod 4 and the locking part 5 and are in a separable state; the bottom end of the connecting rod 4 is provided with a limiting block, the limiting block is attached to the bottom surface of the second cover plate 3, and the connecting rod 4 sequentially penetrates through the second cover plate 3, the sleeve 1 and the first cover plate 2 and then is locked by a locking part 5; as shown in fig. 2, the sleeve 1 has a first stopper 11 at the top end thereof to restrict axial movement of the dry liner, and as shown in fig. 3, the second cover plate 3 has a second stopper 31 to restrict axial movement of the dry liner. As shown in fig. 4, the dry cylinder liner 6 has a cylindrical structure with the top end having the side, the first limiting portion 11 and the second limiting portion 31 correspond to the end structure of the dry cylinder liner 6, and the distance between the first limiting portion 11 and the second limiting portion 31 is greater than the length of the dry cylinder liner 6, so that the dry cylinder liner 6 is prevented from being extruded by the second cover plate 3 after the second cover plate 3 is butted with the sleeve 1.
The working process of the embodiment:
the dry-type cylinder sleeve 6 is sleeved in from the bottom end of the sleeve 1 and is limited by the first limiting part, after the dry-type cylinder sleeve is completely sleeved, the second cover plate 3 is abutted to the end part of the sleeve 1, the connecting rod 4 sequentially penetrates through the second cover plate 3, the sleeve 1 and the first cover plate 2 and then extends out and is locked by the locking part 5, the second limiting part 31 is matched with the first limiting part 11 to limit the dry-type cylinder sleeve 6 between the second cover plate and the first limiting part, an assembled press fitting tool is downwards installed in a cylinder hole of a machine body, press fitting is carried out by using an oil press, after the press fitting is finished, the locking part 5, the connecting rod 4 and the second cover plate 3 are disassembled, the first cover plate 2 and the sleeve 1 are taken out from; at the initial stage of pressing, the second apron 3 is advanced to go into the organism cylinder hole, can carry out the accurate positioning at cylinder liner pressure equipment in-process, avoids the cylinder liner to aim at the cylinder hole center when just fixing a position, and at the in-process of impressing, first spacing portion 11 and the spacing portion 31 of second get up dry-type cylinder liner 6 protection, reduce the deformation of cylinder liner pressure equipment in-process, guarantee cylinder liner pressure equipment quality.
Example two:
as shown in fig. 5, in the first embodiment, the sleeve 1 has a cylindrical structure, the outer diameter of the sleeve 1 is equal to or smaller than the inner diameter of the dry cylinder liner 6, and is preferably slightly smaller than the inner diameter, the first limiting portion 11 has a stepped structure disposed on the outer periphery of the sleeve 1, and the stepped surface of the first limiting portion 11 is a plane and parallel to the end surface of the dry cylinder liner, so as to avoid the end surface from deforming.
As shown in fig. 6, the first cover plate 2 is a circular plate-shaped structure, the central portion of the first cover plate has a first connection hole 21 for the connection rod 4 to pass through, six weight-reducing holes are uniformly distributed in the circumferential direction of the first connection hole 21, and the weight of the whole press-fitting tool can be reduced by the weight-reducing holes.
As shown in fig. 7 and 8, the second cover plate 3 is a circular plate-shaped structure, the central portion of the second cover plate is provided with a second connecting hole 32 for the connecting rod 4 to pass through, the second limiting portion 31 is a step structure on the periphery of the second cover plate, the step surface of the second limiting portion 31 is a plane and is parallel to the end surface of the dry cylinder sleeve 6, so as to avoid the end surface deformation, six penetrating lightening holes are uniformly distributed in the circumferential direction of the second connecting hole 32, and the edges of the cut-off portions are all used for reducing the weight of the whole press-fitting tool. As shown in fig. 3, the diameter of the second cover plate 3 at the maximum diameter is equal to or slightly smaller than the outer diameter of the dry cylinder liner 6 in order to allow the second cover plate 3 to be guided.
As shown in fig. 9, the connecting rod 4 is a round rod, the limiting block 41 is a nut structure, the other end of the connecting rod 4 is provided with a thread 42, the locking member 5 is a locking nut, and the locking nut is connected with the connecting rod 4 through the thread 42.
Example three:
as shown in fig. 10, the difference from the first or second embodiment is that: the first position-limiting portion 11 may also be disposed on the first cover plate 2, so that the sleeve 1 has a uniform cylindrical structure, and the first position-limiting portion 11 is a bottom surface of the first cover plate 2. After the sleeve 1 is connected with the first cover plate 2, the dry cylinder liner 6 is sleeved, and the top end of the dry cylinder liner 6 abuts against the bottom surface of the first cover plate 2.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The dry cylinder sleeve press-fitting tool is characterized by comprising a sleeve, a first cover plate, a second cover plate, a connecting rod and a locking piece; the dry cylinder sleeve is sleeved outside the sleeve, the first cover plate and the second cover plate are connected to two ends of the sleeve respectively, the limiting block is arranged at one end of the connecting rod, the connecting rod penetrates through the second cover plate, the sleeve and the first cover plate in sequence and then is locked by the locking part, the first limiting part for limiting axial movement of the dry cylinder sleeve is arranged on the outside of one end of the sleeve or the first cover plate, and the second limiting part for limiting axial movement of the dry cylinder sleeve is arranged on the second cover plate.
2. A dry cylinder liner press-fitting tool as claimed in claim 1, wherein the sleeve is of cylindrical configuration, and the outer diameter of the sleeve is equal to or less than the inner diameter of the dry cylinder liner.
3. The dry cylinder liner press fitting tool according to claim 2, wherein the first limiting portion is a stepped structure arranged on the outer periphery of the sleeve.
4. The dry cylinder liner press-fitting tool according to claim 1, wherein the first cover plate is a circular plate-shaped structure having a first connection hole at a central portion thereof for a connection rod to pass through.
5. The dry cylinder liner press-fitting tool as claimed in claim 1, wherein the second cover plate is of a circular plate type structure, a second connecting hole for a connecting rod to pass through is formed in the center of the second cover plate, and the second limiting portion is of a step structure on the periphery of the second cover plate.
6. A dry cylinder liner press-fitting tool as claimed in claim 5, wherein the diameter of the second cover plate at the maximum diameter is equal to the outer diameter of the dry cylinder liner.
7. The dry cylinder sleeve press-fitting tool as claimed in claim 1, wherein the connecting rod is a round rod, the limiting block is a nut structure, the other end of the connecting rod is provided with threads, the locking member is a locking nut, and the locking nut is in threaded connection with the connecting rod.
8. The dry cylinder liner press fitting tool according to claim 1, wherein the distance between the first limiting portion and the second limiting portion is greater than the length of the dry cylinder liner.
9. The dry cylinder liner press-fitting tool as claimed in claim 1, wherein the first cover plate has lightening holes thereon.
10. The dry cylinder liner press fitting tool according to claim 1, wherein the second cover plate has lightening holes thereon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020635163.8U CN212095172U (en) | 2020-04-23 | 2020-04-23 | Dry cylinder sleeve press-mounting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020635163.8U CN212095172U (en) | 2020-04-23 | 2020-04-23 | Dry cylinder sleeve press-mounting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212095172U true CN212095172U (en) | 2020-12-08 |
Family
ID=73612387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020635163.8U Active CN212095172U (en) | 2020-04-23 | 2020-04-23 | Dry cylinder sleeve press-mounting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212095172U (en) |
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2020
- 2020-04-23 CN CN202020635163.8U patent/CN212095172U/en active Active
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