CN216781704U - Mechanism for disassembling cylinder sleeve - Google Patents
Mechanism for disassembling cylinder sleeve Download PDFInfo
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- CN216781704U CN216781704U CN202220326273.5U CN202220326273U CN216781704U CN 216781704 U CN216781704 U CN 216781704U CN 202220326273 U CN202220326273 U CN 202220326273U CN 216781704 U CN216781704 U CN 216781704U
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- block
- sleeved
- screw rod
- positioning block
- fixed
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Abstract
The utility model relates to the technical field of engines, and discloses a mechanism for disassembling a cylinder sleeve, which comprises a base block, wherein a guide hole is formed in the middle of the base block, a vertically arranged screw rod is sleeved in the guide hole, the upper end of the screw rod is screwed with a nut, and a pair of symmetrically arranged handles is fixed on the outer wall of the nut; the lower end of the screw rod is connected with a positioning block, and a pair of symmetrically arranged inserting blocks is sleeved on the positioning block; the base block is fixed with a plurality of supporting rods which are in one-to-one correspondence with the threaded holes in the cylinder body, and the lower ends of the supporting rods are formed with positioning inserted rods which are in clearance fit with the corresponding threaded holes. The cylinder wall damage problem is solved, so that the maintenance efficiency is improved, the product quality is improved, the rapid development of the current non-road mobile machinery in China can be better promoted, and the cylinder wall damage problem is simple in structure, convenient to operate and low in manufacturing cost.
Description
The technical field is as follows:
the utility model relates to the technical field of engines, in particular to a mechanism for disassembling a cylinder sleeve.
Background art:
with the more mature diesel engine, the more automatic and high-precision assembly of the whole engine. In order to better meet the use requirements of people at present, new processing equipment and processing technology are used to improve the performance of non-road mobile machinery. And some auxiliary tools can exactly improve the defects on the production line, and the development of production and maintenance work is better carried out. In the maintenance of a fault diesel engine caused by cylinder pulling, the cylinder sleeve needs to be replaced, but the problem that the cylinder wall is damaged due to the fact that the cylinder sleeve is not detached in the replacement process occurs. Therefore, aiming at the problem, a mechanism set for disassembling the cylinder sleeve of the diesel engine is developed, so that the requirement for replacing the cylinder sleeve of the diesel engine can be effectively met.
The utility model has the following contents:
the utility model aims to overcome the defects of the prior art and provides a mechanism for disassembling a cylinder sleeve, which solves the problem of cylinder wall damage, thereby improving the maintenance efficiency and the product quality, better promoting the rapid development of the current non-road mobile machinery in China, and has the advantages of simple structure, convenient operation and low manufacturing cost.
The scheme for solving the technical problem is as follows:
a mechanism for disassembling a cylinder sleeve comprises a base block, wherein a guide hole is formed in the middle of the base block, a vertically arranged screw rod is sleeved in the guide hole, a nut is screwed at the upper end of the screw rod, and a pair of symmetrically arranged handles is fixed on the outer wall of the nut; the lower end of the screw rod is connected with a positioning block, and a pair of symmetrically arranged inserting blocks is sleeved on the positioning block;
the base block is fixed with a plurality of supporting rods which are in one-to-one correspondence with the threaded holes in the cylinder body, and the lower ends of the supporting rods are formed with positioning inserted rods which are in clearance fit with the corresponding threaded holes.
Rectangular long grooves are formed in the outer wall of the screw rod and are sleeved on rectangular guide blocks, and the rectangular guide blocks are fixed on the base block.
A driving block is formed at the lower end of the screw rod, a waist-shaped hole is formed in the driving block, and an upper plane, a lower plane and an inclined plane for connecting the upper plane and the lower plane are formed on the outer walls of two sides of the waist-shaped hole respectively;
the positioning block is formed with a rectangular through hole which penetrates in the radial direction and a driving groove which is used for observing the middle part of the rectangular through hole in the vertical direction, the driving block is inserted and sleeved in the driving groove, the middle part of the driving groove is fixedly provided with a pin shaft, and the pin shaft is inserted and sleeved in the waist-shaped hole;
the two inserting blocks are respectively inserted and sleeved at two ends of the rectangular through hole;
when the inner end of the inserting block is pressed against the lower low plane, the outermost end of the inserting block is flush with the outermost end of the positioning block.
A first arc surface equal to the outer diameter of the cylinder sleeve is formed at the outer end of the insert block; and two second arc surfaces which are symmetrically arranged and matched with the inner diameter of the cylinder sleeve are formed at the outer end of the positioning block.
A limiting groove is formed in the side wall of the inserting block, the limiting groove is inserted and sleeved on the limiting rod, and the limiting rod is inserted and sleeved on and fixed on the positioning block.
The upper end of the base block is fixed with a bearing seat which is coaxial with the screw rod, a bearing is fixed in the bearing seat, and the lower end of the nut can be pressed on an inner ring of the bearing.
The positioning block has various specifications.
The utility model has the following outstanding effects:
compared with the prior art, the cylinder wall damage prevention device solves the problem of cylinder wall damage, thereby improving maintenance efficiency, improving product quality, being capable of better promoting the rapid development of the current non-road mobile machinery in China, and having simple structure, convenient operation and low manufacturing cost.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view in front elevation of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a partial enlarged view of FIG. 2 with respect to B;
fig. 5 is a cross-sectional view of fig. 4 taken about B-B.
The specific implementation mode is as follows:
in the embodiment, as shown in fig. 1 to 5, a mechanism for disassembling a cylinder sleeve comprises a base block 1, wherein a guide hole 11 is formed in the middle of the base block 1, a vertically arranged screw rod 2 is sleeved in the guide hole 11, a nut 3 is screwed at the upper end of the screw rod 2, and a pair of symmetrically arranged handles 4 is fixed on the outer wall of the nut 3; the lower end of the screw rod 2 is connected with a positioning block 5, and a pair of symmetrically arranged inserting blocks 6 is sleeved on the positioning block 5;
a plurality of supporting rods 7 which are in one-to-one correspondence with the threaded holes on the cylinder body are fixed on the base block 1, and positioning insertion rods 71 which are in clearance fit with the corresponding threaded holes are formed at the lower ends of the supporting rods 7.
Furthermore, a rectangular long groove 21 is formed on the outer wall of the screw rod 2, the rectangular long groove 21 is sleeved on a rectangular guide block 22, and the rectangular guide block 22 is fixed on the base block 1.
Furthermore, a driving block 23 is formed at the lower end of the screw rod 2, a kidney-shaped hole 24 is formed on the driving block 23, an upper flat surface 25, a lower flat surface 26 and an inclined surface 27 connecting the upper flat surface 25 and the lower flat surface 26 are formed on the outer walls of the two sides of the kidney-shaped hole 24 respectively;
a rectangular through hole 51 which penetrates through the positioning block 5 in the radial direction and a driving groove 52 which is used for observing the middle part of the rectangular through hole 51 in the vertical direction are formed in the positioning block 5, the driving block 23 is inserted in the driving groove 52, a pin shaft 8 is fixed in the middle part of the driving groove 52, and the pin shaft 8 is inserted in the kidney-shaped hole 24;
the two insertion blocks 6 are respectively inserted and sleeved at two ends of the rectangular through hole 51;
when the inner end of the insert block 6 is pressed against the lower low plane 26, the outermost end of the insert block 6 is arranged flush with the outermost end of the positioning block 5.
Furthermore, a first arc surface 61 which is equal to the outer diameter of the cylinder sleeve is formed at the outer end of the insert block 6; and two second arc surfaces 53 which are symmetrically arranged and matched with the inner diameter of the cylinder sleeve are formed at the outer end of the positioning block 5.
Furthermore, a limiting groove 62 is formed on the side wall of the insertion block 6, the limiting groove 62 is inserted and sleeved on the limiting rod 9, and the limiting rod 9 is inserted and fixed on the positioning block 5.
Furthermore, a bearing seat 101 coaxially disposed with the screw 2 is fixed to the upper end of the base block 1, a bearing 102 is fixed in the bearing seat 101, and the lower end of the nut 3 can be pressed against the inner ring of the bearing 102.
The positioning block 5 has various specifications.
The working principle is as follows: firstly, a positioning block 5 is inserted into a cylinder sleeve, and a positioning inserted rod 71 of a support rod 7 is inserted into a corresponding threaded hole on a cylinder body, so that the position of a base block 1 is limited;
secondly, the nut 3 is rotated through the handle 4, the nut 3 is pressed on an inner ring of the bearing 102 and drives the screw rod 2 to move downwards while rotating, the screw rod 2 drives the positioning block 5 to move downwards, when the lower bottom surface of the positioning block 5 is pressed on the lower end surface of the cylinder sleeve hole (if the profile of the lower end surface of the cylinder sleeve hole is larger than the outer diameter of the positioning block, the positioning block 5 is jacked through a tool and prevented from moving downwards continuously), the positioning block 5 cannot move downwards continuously, the screw rod 2 continues to drive the driving block 23 to move downwards, the inserting block 6 is jacked outwards and inserted below the cylinder sleeve under the action of the inclined plane 27 and the upper flat plane 25, and the function of the upper flat plane is to ensure that the inserting block is inserted below the cylinder sleeve;
thirdly, the handle is rotated reversely, the screw rod 2 moves upwards, at the moment, because no object is arranged to touch the inserting block 6, the inserting block still keeps the original shape, the screw rod 2 moves upwards to drive the positioning block 5 to move upwards, the positioning block 5 drives the inserting block 6 to move upwards, and the inserting block 6 drives the cylinder sleeve to move upwards, so that the cylinder sleeve is taken out.
Finally, the above embodiments are only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the scope of the present invention should be defined by the claims.
Claims (7)
1. The utility model provides a dismantle mechanism of cylinder liner, includes base block (1), its characterized in that: a guide hole (11) is formed in the middle of the base block (1), a vertically arranged screw rod (2) is sleeved in the guide hole (11), a nut (3) is screwed at the upper end of the screw rod (2), and a pair of symmetrically arranged handles (4) is fixed on the outer wall of the nut (3); the lower end of the screw rod (2) is connected with a positioning block (5), and a pair of symmetrically arranged inserting blocks (6) is sleeved on the positioning block (5);
a plurality of supporting rods (7) which are in one-to-one correspondence with the threaded holes in the cylinder body are fixed on the base block (1), and positioning insertion rods (71) which are in clearance fit with the corresponding threaded holes are formed at the lower ends of the supporting rods (7).
2. The mechanism of claim 1 for removing a cylinder liner, wherein: rectangular long grooves (21) are formed in the outer wall of the screw (2), the rectangular long grooves (21) are sleeved on rectangular guide blocks (22), and the rectangular guide blocks (22) are fixed on the base block (1).
3. The mechanism of claim 1 for removing a cylinder liner, wherein: a driving block (23) is formed at the lower end of the screw rod (2), a waist-shaped hole (24) is formed in the driving block (23), an upper plane (25), a lower plane (26) and an inclined plane (27) for connecting the upper plane (25) and the lower plane (26) are formed on the outer walls of two sides of the waist-shaped hole (24) respectively;
the positioning block (5) is formed with a rectangular through hole (51) which penetrates through the positioning block in the radial direction and a driving groove (52) which is used for observing the middle part of the rectangular through hole (51) in the vertical direction, the driving block (23) is inserted in the driving groove (52), a pin shaft (8) is fixed in the middle part of the driving groove (52), and the pin shaft (8) is inserted in the kidney-shaped hole (24);
the two inserting blocks (6) are respectively inserted and sleeved at two ends of the rectangular through hole (51);
when the inner end of the insert block (6) is pressed against the lower low plane (26), the outermost end of the insert block (6) is flush with the outermost end of the positioning block (5).
4. The mechanism of claim 3 for removing a cylinder liner, wherein: a first arc surface (61) which is equal to the outer diameter of the cylinder sleeve is formed at the outer end of the insert block (6); and two second arc surfaces (53) which are symmetrically arranged and matched with the inner diameter of the cylinder sleeve are formed at the outer end of the positioning block (5).
5. The mechanism of claim 3 for removing a cylinder liner, wherein: a limiting groove (62) is formed in the side wall of the inserting block (6), the limiting groove (62) is inserted in and sleeved on the limiting rod (9), and the limiting rod (9) is inserted in and sleeved on the positioning block (5).
6. The mechanism of claim 1 for removing a cylinder liner, wherein: the upper end of the base block (1) is fixed with a bearing seat (101) which is coaxial with the screw rod (2), a bearing (102) is fixed in the bearing seat (101), and the lower end of the nut (3) can be pressed on an inner ring of the bearing (102).
7. The mechanism of claim 1 for removing a cylinder liner, wherein: the positioning block (5) has various specifications.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220326273.5U CN216781704U (en) | 2022-02-18 | 2022-02-18 | Mechanism for disassembling cylinder sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220326273.5U CN216781704U (en) | 2022-02-18 | 2022-02-18 | Mechanism for disassembling cylinder sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216781704U true CN216781704U (en) | 2022-06-21 |
Family
ID=82018010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220326273.5U Active CN216781704U (en) | 2022-02-18 | 2022-02-18 | Mechanism for disassembling cylinder sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216781704U (en) |
-
2022
- 2022-02-18 CN CN202220326273.5U patent/CN216781704U/en active Active
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