CN212240830U - Dismounting device of cylinder jacket - Google Patents
Dismounting device of cylinder jacket Download PDFInfo
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- CN212240830U CN212240830U CN202020557974.0U CN202020557974U CN212240830U CN 212240830 U CN212240830 U CN 212240830U CN 202020557974 U CN202020557974 U CN 202020557974U CN 212240830 U CN212240830 U CN 212240830U
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- cylinder liner
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- cylinder
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Abstract
The utility model provides a dismouting device of cylinder jacket, includes positioning support frame, drive mechanism, positioning fixture block, atress mechanism and locking mechanism, the last passageway that is provided with of positioning support frame passes the drive mechanism that sets up that the passageway can move about from top to bottom in drive mechanism's lower extreme activity sets up positioning fixture block, in drive mechanism's upper end sets up atress mechanism, and in atress mechanism with between the positioning support frame drive mechanism is last to set up locking mechanism. The device simple structure can realize the dismantlement and the installation work of cylinder jacket simultaneously, has solved because of the smooth problem of cylinder jacket inside wall leads to the cylinder jacket to be difficult to the problem of dismouting, and the dismouting of completion cylinder jacket that can be steady fast has improved the assembly efficiency of cylinder jacket.
Description
Technical Field
The utility model relates to a diesel engine overhauls the instrument, especially relates to a dismouting device of cylinder jacket.
Background
The cylinder sleeve is a cylindrical part, is placed in the cylinder body hole of machine body, and is tightly pressed and fixed by cylinder cover, and the piston can make reciprocating movement in its internal hole, and its exterior is cooled by cooling water, and can be combined with cylinder cover and piston to form cylinder working space. The inner surface of the cylinder sleeve is directly acted by high-temperature and high-pressure fuel gas, and is always subjected to high-speed sliding friction with the piston ring and the piston skirt, the outer surface of the cylinder sleeve is contacted with cooling water, severe thermal stress is generated under large temperature difference, and the cylinder sleeve is corroded by the cooling water. The operating environment of cylinder liner is very abominable, consequently causes wearing and tearing easily, needs to change the cylinder liner, in addition, when diesel engine assembly, overhaul, also need dismouting cylinder liner again.
In the dismouting in-process of cylinder jacket, because the cylinder jacket inner wall is smooth and have higher requirement to the inner wall finish, so can't directly form reliable grabbing power strong point to the cylinder jacket inner wall, the operating space of condition and cylinder jacket dismouting is narrow and small, consequently, has great degree of difficulty, consuming time power to the dismouting of cylinder jacket.
Therefore, aiming at the defects, a set of cylinder sleeve dismounting device with reasonable structure, convenient installation and operation and strong reliability needs to be designed.
Disclosure of Invention
An object of the utility model is to provide a dismouting device of cylinder jacket, the device simple structure can realize the dismantlement and the installation work of cylinder jacket simultaneously, has solved because of the smooth problem of cylinder jacket inside wall leads to the cylinder jacket to be difficult to the problem of dismouting, and the dismouting of completion cylinder jacket that can be steady fast has improved the assembly efficiency of cylinder jacket.
In order to realize the above, the utility model adopts the following technical scheme:
a cylinder sleeve dismounting device comprises a positioning support frame, a transmission mechanism, a positioning clamping block, a stress mechanism and a locking mechanism, wherein a channel is arranged on the positioning support frame, the transmission mechanism is arranged and can move up and down through the channel, the positioning clamping block is movably arranged at the lower end of the transmission mechanism, the stress mechanism is arranged at the upper end of the transmission mechanism, and the locking mechanism is arranged on the transmission mechanism between the stress mechanism and the positioning support frame;
correspondingly, the support frame comprises a support plate and support legs, the support legs are arranged on the support plate and supported on the frame to provide stable support for the support plate, and the support plate is used as a positioning surface when the cylinder sleeve is disassembled, assembled and lifted, so that the swing of the cylinder sleeve during disassembly, assembly and lifting is reduced, and the stability of the cylinder sleeve during disassembly and assembly is improved;
correspondingly, a positioning table is arranged at the center of the supporting disc, a channel for the transmission mechanism to pass through is correspondingly arranged on the positioning table, and the outer diameter of the positioning table is smaller than or equal to the inner diameter of the cylinder sleeve, so that the positioning accuracy of the positioning supporting disc on the cylinder sleeve is further improved;
correspondingly, the transmission mechanism comprises a lead screw, the length of the lead screw is longer than that of the cylinder sleeve, and the positioning fixture block can be conveyed to the lower part of the cylinder sleeve through the lead screw;
correspondingly, the positioning fixture block and the transmission mechanism are movably connected through a hinge, the connection mode is convenient for the positioning fixture block to be conveyed to the lower part of the cylinder sleeve through the inside of the cylinder sleeve by inclining the positioning fixture block, and the positioning fixture block is enabled to be in a horizontal state due to the symmetry of the positioning fixture block after being conveyed to the lower part of the cylinder sleeve and not limited by the width of the inner wall of the cylinder sleeve;
correspondingly, the positioning clamping blocks are of a symmetrical structure, symmetrical positioning bayonets are arranged on the positioning clamping blocks, and the positioning bayonets are positioned and clamped at the bottom of the cylinder sleeve to realize the lifting of the cylinder sleeve;
correspondingly, the positioning fixture block is in an isosceles trapezoid structure;
correspondingly, the stress mechanism comprises a lifting lug, and the upper end of the transmission mechanism carries out force transmission through the lifting lug and an external hoisting device;
correspondingly, the locking mechanism comprises a nut, and the position of the positioning support frame penetrating through the transmission mechanism is changed by screwing or screwing the nut downwards, so that the contact state of the positioning support frame and the cylinder sleeve is changed;
correspondingly, the lining is arranged on the transmission mechanism between the locking mechanism and the positioning support frame in a penetrating mode, and abrasion between the locking mechanism and the positioning support frame is reduced.
The utility model has the advantages that:
with the help of this dismouting device, can realize the dismantlement and the installation work of cylinder jacket simultaneously, solve and lead to the problem that the cylinder jacket is difficult to the dismouting because of the smooth problem of cylinder jacket inside wall, the dismouting of completion cylinder jacket that can be fast steady has improved the assembly efficiency of cylinder jacket.
Drawings
Fig. 1 is a schematic side view of a cylinder liner mounting and dismounting device according to an embodiment of the present invention;
fig. 2 is a schematic view of a state of the cylinder liner dismounting device according to an embodiment of the present invention;
fig. 3 is a schematic view of a cylinder liner mounting and dismounting device according to an embodiment of the present invention;
in the figure:
11. a support disc; 12. supporting legs; 13. a positioning table;
2. a screw rod; 3. a hinge;
4. positioning a fixture block; 41. positioning the bayonet;
5. lifting lugs; 6. a nut; 7. a bushing; 8. a cylinder liner.
Detailed Description
As shown in fig. 1, in an embodiment of the present invention, the cylinder liner dismounting device includes a positioning support frame, a transmission mechanism, a positioning fixture block, a stress mechanism, a locking mechanism, and a liner;
the positioning support frame comprises a support plate 11 and support legs 12, the support legs 12 are arranged on the support plate 11, the support legs 12 are supported on the frame, a positioning table 13 is arranged at the center of the support plate 11, a coherent channel allowing the transmission mechanism to move up and down is arranged at the centers of the support plate 11 and the positioning table 13, and in addition, the outer diameter of the positioning table 13 is smaller than or equal to the inner diameter of the cylinder sleeve 8, so that the positioning accuracy of the positioning support frame on the cylinder sleeve 8 and the stability of the cylinder sleeve 8 in dismounting and hoisting are improved;
the transmission mechanism comprises a screw rod 2, and the screw rod 2 can move up and down after penetrating through the channel;
the lower end of the screw rod 2 is connected with a positioning fixture block 4 through a hinge 3, the positioning fixture block 4 is arranged in a central symmetry or axial symmetry mode by taking a connection point with the screw rod 2 as a center or taking an axis where the connection point is located as a symmetry axis, and the symmetrical arrangement aims to ensure that the positioning fixture block 4 is in a horizontal arrangement state in a free state, in the embodiment, for simplifying the description, the positioning fixture block 4 is arranged in an isosceles trapezoid structure, symmetrical positioning bayonets 41 are arranged on the positioning fixture block 4, and the positioning bayonets 41 are positioned and clamped at the bottom of a cylinder sleeve 8 to realize the hoisting of the cylinder sleeve 8;
the upper end of the screw rod 2 is provided with a stress mechanism, and in view of the common hoisting mode of the hoisting machine and the convenience of matching with a lifting hook on the hoisting machine, the stress mechanism is arranged as a lifting lug 5 in the embodiment, and in other embodiments, corresponding stress mechanisms can be arranged according to different hoisting equipment;
a locking mechanism is arranged on the screw rod 2 between the lifting lug 5 and the positioning support frame, and a nut 6 is a common tool for locking the screw rod in the embodiment, so that the locking mechanism is arranged as the nut 6 in the embodiment, and the position of the positioning support frame penetrating through the screw rod 2 is changed by screwing or unscrewing the nut 6, so that the contact state of the positioning support frame and the cylinder sleeve 8 is changed;
in order to reduce the wear between the nut 6 and the positioning support frame and to improve the locking of the nut 6, a bush 7 is inserted into the screw 2 between the nut 6 and the positioning support frame.
According to the cylinder liner attachment and detachment apparatus of the present embodiment, the following embodiment modes can be obtained:
one, dismantle the cylinder jacket
As shown in fig. 2, a positioning support frame is positively arranged on a screw rod 2, a nut 6 is screwed up, a bushing 7 and the positioning support frame are moved up, so that enough screw rod 2 is ensured to be reserved, and the positioning fixture block 4 can be conveyed to the lower part of a cylinder sleeve 8, in the process that the positioning fixture block 4 is conveyed to the lower part of the cylinder sleeve 8 through the inside of the cylinder sleeve 8, due to the constraint of the inner wall of the cylinder sleeve 8, the positioning fixture block 4 rotates around a hinge 3 to keep an inclined state, so that the positioning fixture block 41 can smoothly pass through the inside of the cylinder sleeve 8, until the positioning fixture block 4 is conveyed to the lower part of the cylinder sleeve 8 from the inside of the cylinder sleeve 8, the positioning fixture block 4 recovers a horizontal state under the action of no external force due to the symmetry of the positioning fixture block 4, the nut 6 is screwed down, the positioning fixture block 4 is lifted up under the driving of the screw rod 2 until the positioning bayonet 41 is, the upper end of 8 cylinder jackets is the free end promptly, has the risk of rocking at the in-process of lifting by crane, consequently, continues down to revolve nut 6, shortens the lead screw 2 length of positioning support frame below, supports tightly in supporting disk 11 downside until 8 upper ends of cylinder jackets, afterwards, connects lug 5 and lifting by crane instrument again, hangs out cylinder jacket 8 from the frame steadily fast with the help of lifting by crane instrument, accomplishes the dismantlement of cylinder jacket 8.
Secondly, mounting cylinder sleeve
As shown in fig. 3, the positioning support frame is reversely inserted into the lead screw 2, the nut 6 is screwed up, the bushing 7 and the positioning support frame are moved up, so as to ensure that enough lead screw 2 is reserved to send the positioning fixture block 4 to the lower part of the cylinder sleeve 8, in the process that the positioning fixture block 4 is sent to the lower part of the cylinder sleeve 8 through the inside of the cylinder sleeve 8, due to the constraint of the inner wall of the cylinder sleeve 8, the positioning fixture block 4 rotates around the hinge 3 to keep an inclined state, so that the positioning fixture block 4 can smoothly pass through the inside of the cylinder sleeve 8, until the positioning fixture block 4 is sent out from the inside of the cylinder sleeve 8 to the lower part of the cylinder sleeve 8, the positioning fixture block 4 recovers a horizontal state due to the symmetry of the positioning fixture block 4 without external force action, the nut 6 is screwed down, the positioning fixture block 4 rises under the driving of the lead screw 2 until the positioning bayonet, The positioning clamping blocks 4 are abutted tightly, so that the cylinder sleeve 8 is prevented from shaking, and then the lifting lugs 5 and the lifting tool are connected, and the cylinder sleeve 8 is conveyed into the frame through the lifting tool to complete the installation of the cylinder sleeve 8. After the installation is completed, the lifting lug 5, the nut 6 and the bushing 7 are removed, the positioning support frame is taken down from the screw rod 2, the screw rod 2 is shaken, and when the positioning fixture block 4 is in an inclined state, the screw rod 2 is upwards drawn out immediately, so that the positioning fixture block 4 is driven to be separated from the cylinder sleeve 8.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a dismouting device of cylinder jacket, includes positioning support frame, drive mechanism, positioning fixture block, atress mechanism and locking mechanism, its characterized in that, the last passageway that is provided with of positioning support frame passes the drive mechanism that sets up that the passageway can move about from top to bottom, in drive mechanism's lower extreme activity sets up positioning fixture block, in drive mechanism's upper end sets up atress mechanism, and in atress mechanism with between the positioning support frame drive mechanism is last to set up locking mechanism.
2. The apparatus for removing and assembling a cylinder liner according to claim 1, wherein the support frame comprises a support plate and support legs, and the support legs are disposed on the support plate.
3. The cylinder liner dismounting device according to claim 2, wherein a positioning table is disposed at a center of the support plate, a passage for the transmission mechanism to pass through is correspondingly disposed on the positioning table, and an outer diameter of the positioning table is smaller than or equal to an inner diameter of the cylinder liner.
4. The cylinder liner removing and fitting apparatus according to claim 1, wherein the transmission mechanism includes a lead screw, and a length of the lead screw is longer than a length of the cylinder liner.
5. The cylinder liner dismounting device according to claim 1, wherein the positioning block and the transmission mechanism are movably connected by a hinge.
6. The device for assembling and disassembling a cylinder liner according to claim 1 or 5, wherein the positioning blocks have a symmetrical structure, and the positioning blocks are provided with symmetrical positioning bayonets.
7. The cylinder liner assembly and disassembly device of claim 6, wherein the positioning blocks are configured as an isosceles trapezoid.
8. The apparatus for removing and assembling a cylinder liner according to claim 1, wherein the force receiving mechanism includes a lifting lug.
9. The apparatus for removing and assembling a cylinder liner according to claim 1, wherein said locking mechanism comprises a nut.
10. The device for assembling and disassembling a cylinder liner according to claim 1, wherein a bushing is inserted through the transmission mechanism between the locking mechanism and the positioning support frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020557974.0U CN212240830U (en) | 2020-04-15 | 2020-04-15 | Dismounting device of cylinder jacket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020557974.0U CN212240830U (en) | 2020-04-15 | 2020-04-15 | Dismounting device of cylinder jacket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212240830U true CN212240830U (en) | 2020-12-29 |
Family
ID=74003014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020557974.0U Active CN212240830U (en) | 2020-04-15 | 2020-04-15 | Dismounting device of cylinder jacket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212240830U (en) |
-
2020
- 2020-04-15 CN CN202020557974.0U patent/CN212240830U/en active Active
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