CN220279537U - Assembling and disassembling tool for cooling water jacket of pre-combustion chamber of diesel engine - Google Patents
Assembling and disassembling tool for cooling water jacket of pre-combustion chamber of diesel engine Download PDFInfo
- Publication number
- CN220279537U CN220279537U CN202321813664.0U CN202321813664U CN220279537U CN 220279537 U CN220279537 U CN 220279537U CN 202321813664 U CN202321813664 U CN 202321813664U CN 220279537 U CN220279537 U CN 220279537U
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- China
- Prior art keywords
- cooling water
- water jacket
- screw
- diesel engine
- block
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Links
- 239000000498 cooling water Substances 0.000 title claims abstract description 51
- 238000002485 combustion reaction Methods 0.000 title abstract description 9
- 238000003825 pressing Methods 0.000 claims abstract description 34
- 210000004907 gland Anatomy 0.000 claims abstract description 22
- 238000001816 cooling Methods 0.000 claims description 16
- 238000010009 beating Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000004484 Briquette Substances 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000275 quality assurance Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The assembling and disassembling tool for the pre-combustion chamber cooling water jacket of the diesel engine is arranged in a cylinder cover of the diesel engine and comprises a gland, a screw, a pressing block and a top block; the gland is fixed on the upper part of the cylinder cover through a bolt, the screw is vertically connected to the gland through threads and performs rotation and lifting movement, the pressing block is connected to the lower end of the screw and presses the upper part of the precombustion chamber cooling water jacket, and the jacking block is connected to the lower end of the screw and pulls the lower part of the precombustion chamber cooling water jacket; rotating the screw clockwise, pushing the pressing block to move downwards, and pressing the precombustion chamber cooling water jacket into the cylinder cover along the center; and (3) rotating the screw anticlockwise, pulling the top block to ascend by the screw, and taking the precombustor cooling water jacket out of the cylinder cover along the center. The utility model avoids the damage of the cooling water jacket of the precombustion chamber caused by the impact force of manual beating. The product quality is improved, and the device has the advantages of simple structure, low manufacturing cost, convenient operation and wide universality.
Description
Technical Field
The utility model relates to a tool for maintaining a marine low-speed diesel engine, in particular to a loading and unloading tool for a cooling water jacket of a pre-combustion chamber of the diesel engine, and belongs to the technical field of diesel engine manufacturing.
Background
The maintenance work of the marine low-speed diesel engine is usually carried out when the ship runs to a fixed period, and one important work in the maintenance work is that a shipman or a professional engineer needs to check whether the cooling water jacket of the precombustion chamber in the cylinder leaks water or not, and whether the sealing ring is aged or not needs to be replaced. At present, the assembling and disassembling of the precombustion chamber cooling water jacket is operated by manual knocking, but the strength of the manual knocking is not easy to control, uneven stress is easy to cause, and therefore, the precombustion chamber cooling water jacket and the cylinder sleeve are extremely easy to damage.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a loading and unloading tool for a pre-combustion chamber cooling water jacket of a diesel engine, which realizes the installation and the disassembly of the pre-combustion chamber cooling water jacket of the dual-fuel low-speed diesel engine in a mode of rotating and applying force by a screw rod, avoids the damage of the pre-combustion chamber cooling water jacket caused by manual knocking, and achieves the effects of convenient operation and quality assurance.
In order to achieve the above object, the technical solution of the present utility model is as follows:
a handling instrument for diesel engine prechamber cooling jacket, prechamber cooling jacket installs in the cylinder cap of diesel engine, its characterized in that: the loading and unloading tool comprises a gland, a screw, a pressing block and a top block; the gland is fixed on the upper part of the cylinder cover through a bolt, the screw is vertically connected to the gland through threads and performs rotation and lifting movement, the pressing block is connected to the lower end of the screw and pushes the upper part of the precombustion chamber cooling water jacket, and the jacking block is connected to the lower end of the screw and pulls the lower part of the precombustion chamber cooling water jacket;
rotating the screw clockwise, pushing the pressing block to descend by the screw, and pressing the precombustor cooling water jacket into a cylinder cover along the center; and the screw rod is rotated anticlockwise, the screw rod pulls the top block to ascend, and the precombustor cooling water jacket is taken out of the cylinder cover along the center.
Further, the pressing block and the top block are connected to the center of the precombustion chamber cooling water jacket.
Further, the middle part of the screw rod is provided with threads connected with the gland, the top end is a hexagonal crown which is convenient for the tool to apply force, and the bottom end is a T-shaped head connected with the pressing block or the top block.
Further, the briquetting be equipped with side open-ended and fall the T groove, the T type head of screw rod is followed this side open-ended and is embedded fall the T groove, will the screw rod is connected with the briquetting, the lower extreme of briquetting is equipped with the boss, the bottom surface direct contact of this boss bulldozes the prechamber cooling jacket is in order to install in place.
Further, the ejector block is provided with an inverted T-shaped groove with a side face opening, the T-shaped head of the screw rod is embedded into the inverted T-shaped groove from the side face opening, the screw rod is connected with the ejector block, the lower end of the ejector block is provided with a step block, and the step surface of the step block is in direct contact with and pushes up the precombustion chamber cooling water jacket in a pulling mode so as to be detached.
Further, the gland is provided with a threaded hole which is vertically communicated and used for connecting the screw rod.
Further, the screw is connected with the gland through trapezoidal threads.
Further, the sizes of the pressing block, the top block, the pressing cover and the screw rod are determined according to the size of the precombustion chamber cooling water jacket of the diesel engine.
Compared with the prior art, the utility model has the following beneficial effects:
1) The screw rod rotation mode is adopted to apply force to the precombustor cooling water jacket, so that the precombustor cooling water jacket is uniformly stressed and buffered continuously, and the damage of the precombustor cooling water jacket caused by the impact force of manual beating is avoided.
2) The screw rod pushes the precombustor cooling water jacket to descend or ascend along the center through the pressing block or the top block, so that centering of the precombustor cooling water jacket is guaranteed, deflection is prevented, product quality is improved, and later maintenance work of the precombustor cooling water jacket is facilitated.
3) The sizes of the pressing block, the top block, the pressing cover and the screw rod can be changed according to the sizes of different main engine cylinder covers and the pre-combustion chamber cooling water jackets, and the universality of the utility model to diesel engines of different types is improved through flexible combination.
4) The utility model has the advantages of simple structure, low cost, convenient operation and easy popularization.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural view of the screw.
Fig. 3 is a schematic structural view of the briquette.
Fig. 4 is a schematic structural view of the top block.
Fig. 5 is one of the push state diagrams of the present utility model.
FIG. 6 is a second embodiment of the present utility model.
Fig. 7 is one of the pull-up state diagrams of the present utility model.
FIG. 8 is a second drawing of the pull-up state of the present utility model.
In the drawing the view of the figure,
1-pressing block, 11-inverted T-shaped groove, 12-boss, 2-top block, 21-inverted T-shaped groove, 22-step block, 3-screw, 31-screw thread, 32-T-shaped head, 33-hexagonal crown, 4-gland and 5-bolt.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, which should not be construed as limiting the scope of the utility model as claimed.
The utility model is used for assembling and disassembling the precombustion chamber cooling water jacket of the diesel engine, and the precombustion chamber cooling water jacket is arranged in the cylinder cover of the marine diesel engine.
Referring to fig. 1, the loading and unloading tool comprises a gland 4, a screw 3, a pressing block 1 and a top block 2.
The gland 4 is fixed on the upper part of the cylinder cover through four bolts 5, and the gland 4 is provided with a trapezoid threaded hole which penetrates up and down and is used for connecting the screw 3.
The screw 3 is vertically connected to the gland 4 by trapezoidal threads, and performs a lifting movement on the gland 4 by rotating. Referring to fig. 2, the middle part of the screw 3 is provided with a thread 31 connected with a trapezoidal threaded hole of the gland 4, the top end is provided with a hexagonal crown 33, so that the tool can apply force conveniently, and the bottom end is provided with a T-shaped head 32 for connecting with the pressing block 1 or the top block 2.
When the prechamber cooling jacket is installed, the pressing block 1 is connected to the lower end of the screw 3 and pushes against the upper part of the prechamber cooling jacket. Referring to fig. 3, the press block 1 is provided with an inverted T-shaped groove 11 with an opening at a side surface, the T-shaped head 32 of the screw 3 is embedded into the inverted T-shaped groove 11 from the opening at the side surface, and the screw 3 is connected with the press block 1, so that the rotation of the screw 3 can drive the press block 1 to move up and down. The lower end of the pressing block 1 is provided with a boss 12, the bottom surface of the boss 12 is in direct contact with and pushes the precombustor cooling water jacket to be installed in place, and the boss 12 is in contact with the center of the precombustor cooling water jacket to avoid the phenomenon of pressure deviation or insufficient pressure in the installation process.
When the prechamber cooling jacket is detached, the top block 2 is connected to the lower end of the screw 3 and pulls up the lower part of the prechamber cooling jacket. Referring to fig. 4, the top block 2 is provided with an inverted T-shaped slot 21 with an opening at a side surface, the T-shaped head 32 of the screw 3 is embedded into the inverted T-shaped slot 21 from the opening at the side surface, and the screw 3 is connected with the top block 2, so that the rotation of the screw 3 can drive the top block 2 to move up and down. The lower extreme of kicking block 2 is equipped with ladder piece 22, and the ascending step face of this ladder piece 22 direct contact and pull-roof the prechamber cooling water jacket is in order to dismantle, kicking block 2 connect in the center of prechamber cooling water jacket to avoid the application of force eccentric, cause prechamber cooling water jacket's damage.
The sizes of the pressing block 1, the top block 2, the pressing cover 4 and the screw 3 can be determined according to the size of the pre-combustion chamber cooling water jacket of the diesel engine, and the universality of the diesel engine of different types is improved through flexible combination and sleeving.
The application process of the loading and unloading tool is as follows:
installing a precombustor cooling water jacket: referring to fig. 5 and 6, a pressing block 1 is installed at the bottom end of a screw 3, a pressing cover 4 is fixed on a cylinder cover through four bolts, the screw 3 is rotated clockwise to push the pressing block 1 to move downwards, the pressing block 1 pushes a precombustor cooling water jacket, and the precombustor cooling water jacket is pressed into a cylinder cover along the center.
Disassembling the precombustor cooling water jacket: referring to fig. 7 and 8, a top block 2 is installed at the bottom end of a screw 3, a gland 4 is fixed on a cylinder cover through four bolts, the screw 3 is rotated anticlockwise, the screw 3 pulls the top block 1 to move upwards, the top block 1 hooks the pre-chamber cooling water jacket, and the pre-chamber cooling water jacket is taken out of the cylinder cover along the center.
The utility model is not limited to the specific embodiments described above, but the scope of the utility model should also include other equivalent variations and alternatives which will be apparent to those skilled in the art.
Claims (8)
1. A handling instrument for diesel engine prechamber cooling jacket, prechamber cooling jacket installs in the cylinder cap of diesel engine, its characterized in that: the loading and unloading tool comprises a gland, a screw, a pressing block and a top block; the gland is fixed on the upper part of the cylinder cover through a bolt, the screw is vertically connected to the gland through threads and performs rotation and lifting movement, the pressing block is connected to the lower end of the screw and pushes the upper part of the precombustion chamber cooling water jacket, and the jacking block is connected to the lower end of the screw and pulls the lower part of the precombustion chamber cooling water jacket;
rotating the screw clockwise, pushing the pressing block to descend by the screw, and pressing the precombustor cooling water jacket into a cylinder cover along the center; and the screw rod is rotated anticlockwise, the screw rod pulls the top block to ascend, and the precombustor cooling water jacket is taken out of the cylinder cover along the center.
2. The handling tool for a cooling jacket of a diesel engine prechamber as set forth in claim 1, wherein: the pressing block and the top block are connected to the center of the precombustion chamber cooling water jacket.
3. The handling tool for a cooling jacket of a diesel engine prechamber as set forth in claim 1, wherein: the middle part of the screw rod is provided with a thread connected with the gland, the top end is a hexagonal crown which is convenient for a tool to apply force, and the bottom end is a T-shaped head connected with the pressing block or the top block.
4. The handling tool for a cooling jacket of a diesel engine prechamber as set forth in claim 1, wherein: the briquetting be equipped with side open-ended and fall the T groove, the T type head of screw rod is followed this side open-ended embedding fall the T groove, will the screw rod is connected with the briquetting, the lower extreme of briquetting is equipped with the boss, the bottom surface direct contact of this boss bulldozes the prechamber cooling water jacket is in order to install in place.
5. The handling tool for a cooling jacket of a diesel engine prechamber as set forth in claim 1, wherein: the top block is provided with an inverted T-shaped groove with a side opening, the T-shaped head of the screw rod is embedded into the inverted T-shaped groove from the side opening, the screw rod is connected with the top block, the lower end of the top block is provided with a step block, and the step surface of the step block is in direct contact with and pushes up the precombustor cooling water jacket so as to be detached.
6. The handling tool for a cooling jacket of a diesel engine prechamber as set forth in claim 1, wherein: the gland is provided with a threaded hole which is vertically communicated and used for connecting the screw rod.
7. The handling tool for a diesel engine prechamber cooling jacket as in claims 1, 3, or 6 wherein: the screw rod is connected with the gland through trapezoidal threads.
8. The handling tool for a cooling jacket of a diesel engine prechamber as set forth in claim 1, wherein: the sizes of the pressing block, the top block, the pressing cover and the screw rod are determined according to the size of the precombustion chamber cooling water jacket of the diesel engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321813664.0U CN220279537U (en) | 2023-07-11 | 2023-07-11 | Assembling and disassembling tool for cooling water jacket of pre-combustion chamber of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321813664.0U CN220279537U (en) | 2023-07-11 | 2023-07-11 | Assembling and disassembling tool for cooling water jacket of pre-combustion chamber of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220279537U true CN220279537U (en) | 2024-01-02 |
Family
ID=89328749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321813664.0U Active CN220279537U (en) | 2023-07-11 | 2023-07-11 | Assembling and disassembling tool for cooling water jacket of pre-combustion chamber of diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220279537U (en) |
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2023
- 2023-07-11 CN CN202321813664.0U patent/CN220279537U/en active Active
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