CN211013388U - Medium speed diesel engine cylinder head pumping pressure instrument - Google Patents
Medium speed diesel engine cylinder head pumping pressure instrument Download PDFInfo
- Publication number
- CN211013388U CN211013388U CN201921616687.6U CN201921616687U CN211013388U CN 211013388 U CN211013388 U CN 211013388U CN 201921616687 U CN201921616687 U CN 201921616687U CN 211013388 U CN211013388 U CN 211013388U
- Authority
- CN
- China
- Prior art keywords
- cylinder cover
- water inlet
- cylinder head
- outlet pipe
- water outlet
- 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.)
- Active
Links
Images
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a medium speed diesel engine cylinder head pump pressure instrument, including unable adjustment base, inlet tube assembly and outlet pipe assembly, the bottom of cylinder head is located unable adjustment base, and inlet tube assembly detachable sets up the end of intaking at the top of cylinder head, and the apopore of cylinder head bottom is sealed to be contained by unable adjustment base, and the outlet pipe assembly sets up on unable adjustment base's the outer wall. The base through the pumping pressure instrument can hold the cylinder head bottom sealed fast, and the base structural shape can be according to the cylinder head design of different models or specification, easy operation, the facilitate promotion.
Description
Technical Field
The utility model relates to an engine spare part seals the detection technique, especially relates to a medium speed diesel engine cylinder head pumping pressure instrument.
Background
The cylinder cover is used for sealing the working space of the cylinder and forming a combustion chamber, and is also used for installing an oil injector, an air inlet and outlet valve, a starting valve and the like; the inside of the cooling water cavity is also provided with an air inlet channel, an air exhaust channel and a cooling water cavity. It is one of the most complex parts in diesel engines. The working conditions of the cylinder cover are very strict, and on one hand, the cylinder cover is required to bear the installation stress generated by the pretightening force of the cylinder cover bolts and the high-frequency pulsation mechanical stress generated by the periodically changed gas pressure in the cylinder; on the other hand, the gas side of the head base plate is also subjected to severe heating and corrosion by the high-temperature combustion gas. The heat transferred from the combustion gas and the high speed washing of the exhaust gas make the temperature in the center of the cylinder head and near the exhaust valve hole highest, while the temperature in the periphery of the cylinder head and the cooling water side is relatively low, so that the temperature distribution of the cylinder head is not uniform. Thus, the water chamber of the cylinder head must be tested for tightness.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a cylinder head pumping pressure tool of a medium speed diesel engine.
The purpose of the utility model is realized by adopting the following technical scheme:
the utility model provides a medium speed diesel engine cylinder head pumping pressure instrument, includes unable adjustment base, inlet tube assembly and outlet pipe assembly, and the bottom of cylinder head is located on unable adjustment base, and inlet tube assembly detachable sets up the end of intaking at the top of cylinder head, and the apopore of cylinder head bottom by unable adjustment base seals and contains, and the outlet pipe assembly sets up unable adjustment base is last.
Preferably, unable adjustment base includes bottom plate, the sealed supporting seat of cylinder cap, stud, packing ring and nut, and the fixed middle part that sets up at the bottom plate of the sealed supporting seat of cylinder cap, and the sealed supporting seat upper portion of cylinder cap forms the cylinder cap and holds the chamber, just the profile that holds the chamber is with the bottom looks adaptation of cylinder cap.
Preferably, the water inlet pipe assembly comprises a connecting flange, a flange connecting bolt and a water inlet pipe joint, the connecting flange is arranged at a water inlet on the cylinder cover through the flange connecting bolt, one end of the water inlet pipe joint is fixedly connected to the middle of the connecting flange, and the other end of the water inlet pipe joint is used for connecting an external water inlet pipe.
Preferably, the outlet pipe assembly comprises an outlet pipe connector and a ball valve, one end of the outlet pipe connector is connected to the outer wall of the cylinder cover sealing support seat and communicated to the cylinder cover accommodating cavity, the ball valve is mounted at the other end of the outlet pipe connector, and the outer end of the ball valve is used for being connected with an external outlet pipe.
Preferably, a sealing ring is arranged at the joint of the lower part of the cylinder cover and a cylinder cover accommodating cavity formed at the upper part of the cylinder cover sealing support seat.
Preferably, a flange sealing ring is arranged between the connecting flange and the plane of the water inlet at the upper part of the cylinder cover.
Compared with the prior art, the beneficial effects of the utility model reside in that: the base through the pumping pressure instrument can hold the cylinder head bottom sealed fast, and the base structural shape can be according to the cylinder head design of different models or specification, easy operation, the facilitate promotion.
Drawings
FIG. 1 is a schematic view of a cylinder head assembled to a pumping tool;
FIG. 2 is a schematic cross-sectional view of two sealing rings disposed between a cylinder head and a cylinder head seal support seat;
FIG. 3 is a schematic cross-sectional view of a mounting flange seal ring between the attachment flange and the cylinder head.
In the figure: 1. a fixed base; 11. a base plate; 12. a cylinder cover sealing support seat; 13. a stud; 14. a gasket; 15. a nut; 2. a water inlet pipe assembly; 21. a connecting flange; 22. a flange connecting bolt; 23. a water inlet pipe joint; 3. a water outlet pipe assembly; 31. a water outlet pipe joint; 32. a ball valve; 4. a cylinder head; 5. an external water inlet pipe; 6. an external water outlet pipe; 7. a seal ring; 8. and (4) a flange sealing ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. 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.
Referring to fig. 1-3, a medium speed diesel engine cylinder head pumping pressure tool comprises a fixed base 1, a water inlet pipe assembly 2 and a water outlet pipe assembly 3, wherein the bottom of a cylinder head 4 is located on the fixed base 1, the water inlet pipe assembly 2 is detachably arranged at the water inlet end of the top of the cylinder head 4, a water outlet hole at the bottom of the cylinder head 4 is hermetically contained by the fixed base 1, and the water outlet pipe assembly 3 is arranged on the fixed base 1.
Fixed base
The fixing base 1 comprises a bottom plate 11, a cylinder cover sealing support seat 12, a stud 13, a gasket 14 and a nut 15, wherein the cylinder cover sealing support seat 12 is fixedly arranged in the middle of the bottom plate 11, a cylinder cover accommodating cavity is formed in the upper portion of the cylinder cover sealing support seat 12, and the outline of the accommodating cavity is matched with the bottom of the cylinder cover 4.
In one embodiment, the bottom of the cylinder head 4 is circular, and therefore, the head seal support block 12 is preferably cylindrical.
Further, referring to fig. 2, a sealing ring 7 is arranged at the joint of a cylinder head accommodating cavity formed by the lower part of the cylinder head 4 and the upper part of the cylinder head sealing support seat 12. The sealing ring 7 is preferably provided in two passes. Therefore, all water outlets of the cylinder cover 4 are accommodated and sealed to the upper part of the cylinder cover sealing support seat 12 to form a cylinder cover accommodating cavity.
Water inlet pipe assembly
The water inlet pipe assembly 2 comprises a connecting flange 21, a flange connecting bolt 22 and a water inlet pipe joint 23, the connecting flange 21 is arranged at a water inlet on the cylinder cover 4 through the flange connecting bolt 22, one end of the water inlet pipe joint 23 is fixedly connected to the middle of the connecting flange 21, and the other end of the water inlet pipe joint 23 is used for connecting an external water inlet pipe 5.
The water inlet pipe joint 23 is welded at the center of the connecting flange 21. Four corners of the connecting flange 21 are provided with flange connecting holes, and the flange connecting holes are matched with the outer diameter of the flange connecting bolts 22.
Further, referring to fig. 3, a flange seal 8 is mounted between the connecting flange 21 and the plane of the upper water inlet of the cylinder head 4.
Water outlet pipe assembly
The water outlet pipe assembly 3 comprises a water outlet pipe connector 31 and a ball valve 32, one end of the water outlet pipe connector 31 is connected to the outer wall of the cylinder cover sealing support seat 12 and communicated to the cylinder cover accommodating cavity, the ball valve 32 is installed at the other end of the water outlet pipe connector 31, and the outer end of the ball valve 32 is used for being connected with an external water outlet pipe 6. The high pressure water in the cylinder cover accommodating cavity formed at the upper part of the cylinder cover sealing support seat 12 can be discharged only through the water outlet pipe connector 31.
The pumping operation: when the cylinder cover pump pressure test is carried out, the cylinder cover 4 is connected to the fixed base 1, then the water inlet pipe assembly 2 and the water outlet pipe assembly 3 are connected, the external water inlet pipe 5 is connected to the water inlet pipe assembly 2 for water inlet, meanwhile, the water outlet pipe assembly 3 is also connected with the external water outlet pipe 7, and after the pump pressure test is finished, water can be discharged through the water outlet pipe assembly 3 and the external water outlet pipe 6; the presence or absence of pressure release or water leakage is observed and detected by applying high-pressure water, and the sealability of the cylinder head is determined, whereupon the pump pressure test is completed. The reverse sequence allows the cylinder head 4 to be removed from the pumping tool.
Finally, it should be noted that: 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 (6)
1. The utility model provides a medium speed diesel engine cylinder head pumping pressure instrument, includes unable adjustment base (1), inlet tube assembly (2) and outlet pipe assembly (3), its characterized in that: the bottom of the cylinder cover (4) is located on the fixed base (1), the water inlet pipe assembly (2) is detachably arranged at the top water inlet end of the cylinder cover (4), the water outlet hole in the bottom of the cylinder cover (4) is hermetically contained in the fixed base (1), and the water outlet pipe assembly (3) is arranged on the fixed base (1).
2. The pumping tool of claim 1 wherein: the fixed base (1) comprises a bottom plate (11), a cylinder cover sealing support seat (12), a stud (13), a gasket (14) and a nut (15), the cylinder cover sealing support seat (12) is fixedly arranged in the middle of the bottom plate (11), a cylinder cover accommodating cavity is formed in the upper portion of the cylinder cover sealing support seat (12), and the outline of the accommodating cavity is matched with the bottom of the cylinder cover (4).
3. The pumping tool of claim 2 wherein: the water inlet pipe assembly (2) comprises a connecting flange (21), a flange connecting bolt (22) and a water inlet pipe connector (23), the connecting flange (21) is arranged at a water inlet on the cylinder cover (4) through the flange connecting bolt (22), one end of the water inlet pipe connector (23) is fixedly connected to the middle of the connecting flange (21), and the other end of the water inlet pipe connector (23) is used for connecting an external water inlet pipe (5).
4. The pumping tool of claim 2 wherein: the water outlet pipe assembly (3) comprises a water outlet pipe connector (31) and a ball valve (32), one end of the water outlet pipe connector (31) is connected to the outer wall of the cylinder cover sealing support seat (12) and communicated to a cylinder cover accommodating cavity, the ball valve (32) is installed at the other end of the water outlet pipe connector (31), and the outer end of the ball valve (32) is used for being connected with an external water outlet pipe (6).
5. The pumping tool of claim 2 wherein: and a sealing ring (7) is arranged at the joint of the lower part of the cylinder cover (4) and a cylinder cover accommodating cavity formed at the upper part of the cylinder cover sealing support seat (12).
6. The pumping tool of claim 3 wherein: and a flange sealing ring (8) is arranged between the connecting flange (21) and the plane of the water inlet at the upper part of the cylinder cover (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921616687.6U CN211013388U (en) | 2019-09-26 | 2019-09-26 | Medium speed diesel engine cylinder head pumping pressure instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921616687.6U CN211013388U (en) | 2019-09-26 | 2019-09-26 | Medium speed diesel engine cylinder head pumping pressure instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211013388U true CN211013388U (en) | 2020-07-14 |
Family
ID=71471539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921616687.6U Active CN211013388U (en) | 2019-09-26 | 2019-09-26 | Medium speed diesel engine cylinder head pumping pressure instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211013388U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113984284A (en) * | 2021-11-02 | 2022-01-28 | 上海中船三井造船柴油机有限公司 | Single-cylinder pump pressure airtight tool for LGIP host |
-
2019
- 2019-09-26 CN CN201921616687.6U patent/CN211013388U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113984284A (en) * | 2021-11-02 | 2022-01-28 | 上海中船三井造船柴油机有限公司 | Single-cylinder pump pressure airtight tool for LGIP host |
| CN113984284B (en) * | 2021-11-02 | 2024-06-04 | 上海中船三井造船柴油机有限公司 | Single-cylinder pumping pressure airtight tool for LGIP main unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101581643B (en) | Water jacket and air bag type sealing device for hydraulic test of air bottle outside measuring method | |
| CN110220653B (en) | Double-wall pipe air tightness detection tool and detection method | |
| CN211013388U (en) | Medium speed diesel engine cylinder head pumping pressure instrument | |
| CN110080901B (en) | Wet cylinder jacket and engine cylinder | |
| CN108918040B (en) | Detection apparatus for automobile engine cylinder seal | |
| CN204921161U (en) | Carbocycle device is scraped to engine overhead type | |
| CN101672719B (en) | Pipeline sealing device used for hydraulic test of pipeline | |
| CN109083767B (en) | Water pressure testing device for thin-wall shell of solid rocket engine jet pipe | |
| CN201535741U (en) | Pipeline seal device for pipeline hydrostatic test | |
| KR20130085378A (en) | Connection flange for a high pressure conduit | |
| CN103245470B (en) | Test bench for performance of sealing device on Stirling engine piston assembly | |
| CN209927387U (en) | Large-cylinder-diameter cylinder sleeve hydrostatic test device | |
| CN210599202U (en) | Vermicular graphite cast iron cylinder cover for automobile engine | |
| CN208199430U (en) | A kind of inspection pore structure of condensate water pot | |
| CN208921374U (en) | Cylinder jacket of diesel engine hydraulic pressure test fixture | |
| CN111794950A (en) | Diaphragm compressor cylinder seal structure | |
| CN201229224Y (en) | Device for simultaneously testing air tightness of multi marine diesel piston | |
| CN212311732U (en) | Reciprocating compressor mushroom valve grinds frock | |
| CN203868588U (en) | Pipeline leakage detecting sealing device | |
| CN214502792U (en) | Tank bottom angle valve testing tool | |
| CN212903756U (en) | Diesel engine valve leakage test device | |
| CN106233045B (en) | The dynamic sealing of the pressure control of fluid transfer pipe with capture | |
| CN108303211B (en) | Device and method for permanently sealing steel vacuum container | |
| CN219935037U (en) | Flow testing tool for flame tube inner ring negative pressure method | |
| CN208060102U (en) | A kind of new engine cylinder cap pressure testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |