CN107543657B - Shell clamping pressure-maintaining device and application method thereof - Google Patents
Shell clamping pressure-maintaining device and application method thereof Download PDFInfo
- Publication number
- CN107543657B CN107543657B CN201710931479.4A CN201710931479A CN107543657B CN 107543657 B CN107543657 B CN 107543657B CN 201710931479 A CN201710931479 A CN 201710931479A CN 107543657 B CN107543657 B CN 107543657B
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- China
- Prior art keywords
- positioning
- positioning block
- hole
- upper cover
- base
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Links
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005266 casting Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Clamps And Clips (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention discloses a shell clamping pressure-maintaining device, which comprises a base and an upper cover; the base and the upper cover are connected through bolts. The invention also discloses a using method of the shell clamping pressure-maintaining device. The spring shell pressure maintaining device is compact in structure, high in strength and reliable in connection, can be used for pressure maintaining tests on the spring shell, and can ensure the product quality of the spring shell through the pressure maintaining tests.
Description
Technical Field
The invention relates to a pressure maintaining device, in particular to a shell clamping pressure maintaining device and a using method thereof.
Background
The spring housing is an important component of a heavy-duty car brake system, and is provided with good sealing performance and enough strength.
The spring shell is complex in structure and casting process, and after the machining is finished, if the pressure maintaining test is not performed, the sealing requirement of the spring shell cannot be guaranteed, and various problems such as performance failure of a braking system can be affected.
Disclosure of Invention
The invention solves the technical problem of providing a shell clamping pressure maintaining device and a using method thereof, which can be used for pressure maintaining test of a spring shell so as to ensure the product quality of the spring shell.
The technical proposal is as follows:
a shell clamping pressure-maintaining device comprises a base and an upper cover; the base comprises a bottom plate, a first positioning block and a second positioning block; the center of the base is provided with a first round hole, the upper end surface of the base is provided with a first positioning block and a second positioning block, the first positioning block and the second positioning block are respectively and uniformly distributed on the outer side of the first round hole, and the second positioning block is positioned on the outer side of the first positioning block; the upper end face of the first positioning block is provided with a first threaded hole, and the upper end face of the second positioning block is provided with a second threaded hole; a second round hole is formed in the center of the upper cover, a first positioning hole and a second positioning hole are uniformly distributed on the outer side of the second round hole, and the second positioning hole is positioned on the outer side of the first positioning hole; the upper cover is provided with a first connecting threaded hole and a second connecting threaded hole, and the second connecting threaded hole is positioned at the outer side of the first connecting threaded hole; the first connecting threaded hole is provided with a hanging ring, the lower end surface of the upper cover is provided with two annular grooves, and an O-shaped gasket is arranged in each annular groove; the bolt passes through the first locating hole and the second locating hole respectively and is connected to the first threaded hole and the second threaded hole.
Further: the upper end surface of the base is uniformly provided with 10 first positioning blocks and 10 second positioning blocks; 10 first locating holes and 10 second locating holes are uniformly distributed on the outer side of the second round hole.
Further: the first positioning block is trapezoidal, and the second positioning block is pentagonal.
Further: the shape of the upper cover is a stepped cylinder.
A method of using a housing clamp dwell device comprising:
the base is placed on the workbench, the spring shell which needs to be subjected to pressure maintaining test is placed on the base, and the first positioning block and the second positioning block on the base position the spring shell;
an O-shaped gasket is arranged in the annular groove of the upper cover, the upper cover is placed on the spring shell through the hanging ring, and bolts penetrate through the first positioning holes and the second positioning holes to connect the upper cover to the first threaded holes and the second threaded holes; two O-rings are respectively abutted against the inner side edge and the outer side edge of the spring housing.
Preferably: during pressure maintaining test, the second connecting threaded hole is connected with the pressure pipe joint; water is injected into the closed cavity of the upper cover, the spring shell and the O-shaped gasket, and the sealing performance of the spring shell under the set pressure condition is tested.
Compared with the prior art, the invention has the technical effects that:
the invention has compact structure, high strength and reliable connection, and can be used for pressure maintaining test of the spring shell so as to ensure the product quality of the spring shell.
Drawings
FIG. 1 is a schematic view of a base in the present invention;
FIG. 2 is a schematic view of the structure of the upper cover of the present invention;
fig. 3 is a schematic view showing a state of use of the housing clamping and pressure maintaining device in the present invention.
Detailed Description
The technical scheme of the present invention will be described in detail with reference to the exemplary embodiments. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art.
FIG. 1 is a schematic view of a base structure in the present invention; as shown in fig. 2, the upper cover of the present invention is schematically constructed.
The structure of the shell clamping pressure maintaining device comprises: a base 1 and an upper cover 2; the base 1 and the upper cover 2 are connected through bolts 3.
The appearance of base 1 is cylindrical structure, and the structure of base 1 includes: a bottom plate, a first positioning block 12 and a second positioning block 13; the shape of the base 1 is circular, a first round hole 11 is formed in the center of the base, 10 first positioning blocks 12 and 10 second positioning blocks 13 are uniformly arranged on the upper end face of the base 1, the first positioning blocks 12 and the second positioning blocks 13 are uniformly distributed on the outer sides of the first round hole 11 respectively, and the second positioning blocks 13 are positioned on the outer sides of the first positioning blocks 12; the first positioning block 12 is trapezoid, the upper end face of the first positioning block is provided with a first threaded hole 121, the second positioning block 13 is pentagonal, and the upper end face of the second positioning block is provided with a second threaded hole 131.
The upper cover 2 is of a stepped cylindrical structure, a second round hole 21 is formed in the center of the stepped cylindrical structure, 10 first positioning holes 22 and 10 second positioning holes 23 are uniformly distributed on the outer side of the second round hole 21, and the second positioning holes 23 are positioned on the outer side of the first positioning holes 22; the upper cover 2 is provided with a first connecting threaded hole 24 and a second connecting threaded hole 28, and the second connecting threaded hole 28 is positioned outside the first connecting threaded hole 24; the two first connecting threaded holes 24 on the inner side are provided with hanging rings 25, and the two second connecting threaded holes 28 on the outer side are used for connecting a pressure pipe joint; the lower end face of the upper cover 2 is provided with two circles of annular grooves 26, and an O-shaped gasket 27 is arranged in each annular groove 26.
The bolts 3 pass through the first positioning holes 22 and the second positioning holes 23, respectively, and are connected to the first screw holes 121 and the second screw holes 131.
Fig. 3 is a schematic view showing the use state of the housing clamping pressure maintaining device in the invention.
The application method of the shell clamping pressure-maintaining device comprises the following specific steps:
step 1: when the pressure maintaining device is used, the base 1 is placed on a workbench, the spring shell 4 needing pressure maintaining test is placed on the base 1, and the first positioning block 12 and the second positioning block 13 on the base 1 rapidly position the spring shell 4;
step 2: an O-shaped gasket 27 is arranged on the annular groove 26 of the upper cover 2, the upper cover 2 is placed on the spring shell 7 by utilizing the two hanging rings 25 of the upper cover 2, and the upper cover 2 is connected to the first threaded hole 121 and the second threaded hole 131 by using the bolts 3 to pass through the first positioning holes 22 and the second positioning holes 23; two O-rings 27 respectively abut against the inside and outside edges of the spring housing 4;
step 3: in the pressure maintaining test, the second connecting threaded hole 28 is connected with a pressure pipe joint; water was injected into the closed cavity of the upper cover 2, the spring housing 4 and the O-ring 27, and the sealing performance of the spring housing 4 under the set pressure condition was tested.
The terminology used herein is for the purpose of description and illustration only and is not intended to be limiting. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (2)
1. The application method of the shell clamping pressure maintaining device is characterized by comprising the following steps of:
the shell clamping pressure-maintaining device comprises a base and an upper cover; the base comprises a bottom plate, a first positioning block and a second positioning block; the center of the base is provided with a first round hole, the upper end surface of the base is provided with a first positioning block and a second positioning block, the first positioning block is trapezoid, the second positioning block is pentagon, the first positioning block and the second positioning block are uniformly distributed on the outer side of the first round hole respectively, and the second positioning block is positioned on the outer side of the first positioning block; the upper end face of the first positioning block is provided with a first threaded hole, and the upper end face of the second positioning block is provided with a second threaded hole; the outer shape of the upper cover is a stepped cylinder, a second round hole is formed in the center of the upper cover, a first positioning hole and a second positioning hole are uniformly distributed on the outer side of the second round hole, and the second positioning hole is positioned on the outer side of the first positioning hole; the upper cover is provided with a first connecting threaded hole and a second connecting threaded hole, and the second connecting threaded hole is positioned at the outer side of the first connecting threaded hole; the first connecting threaded hole is provided with a hanging ring, the lower end surface of the upper cover is provided with two annular grooves, and an O-shaped gasket is arranged in each annular groove; the bolt passes through the first positioning hole and the second positioning hole respectively and is connected to the first threaded hole and the second threaded hole;
the base is placed on the workbench, the spring shell which needs to be subjected to pressure maintaining test is placed on the base, and the first positioning block and the second positioning block on the base position the spring shell;
an O-shaped gasket is arranged in the annular groove of the upper cover, the upper cover is placed on the spring shell through the hanging ring, and bolts penetrate through the first positioning holes and the second positioning holes to connect the upper cover to the first threaded holes and the second threaded holes; the two O-shaped gaskets are respectively abutted against the inner side edge and the outer side edge of the spring shell;
during pressure maintaining test, the second connecting threaded hole is connected with the pressure pipe joint; water is injected into the closed cavity of the upper cover, the spring shell and the O-shaped gasket, and the sealing performance of the spring shell under the set pressure condition is tested.
2. A method of using a housing clamp dwell device according to claim 1 wherein: the upper end surface of the base is uniformly provided with 10 first positioning blocks and 10 second positioning blocks; 10 first locating holes and 10 second locating holes are uniformly distributed on the outer side of the second round hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710931479.4A CN107543657B (en) | 2017-10-09 | 2017-10-09 | Shell clamping pressure-maintaining device and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710931479.4A CN107543657B (en) | 2017-10-09 | 2017-10-09 | Shell clamping pressure-maintaining device and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107543657A CN107543657A (en) | 2018-01-05 |
| CN107543657B true CN107543657B (en) | 2024-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710931479.4A Active CN107543657B (en) | 2017-10-09 | 2017-10-09 | Shell clamping pressure-maintaining device and application method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107543657B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114166483A (en) * | 2021-11-09 | 2022-03-11 | 内蒙古北方重型汽车股份有限公司 | Suspension cylinder pressure maintaining test device for electric wheel dump truck and using method thereof |
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| JPH08327490A (en) * | 1995-05-31 | 1996-12-13 | Nippon Denpa Kk | Leakage detecting device for underground tank |
| CN101526414A (en) * | 2009-04-24 | 2009-09-09 | 天津渤海职业技术学院 | Seal and bulge test device of shell of gas flow meter |
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| CN102980727A (en) * | 2012-11-28 | 2013-03-20 | 武汉船用机械有限责任公司 | Tool for pump pressure tests of motor casing |
| CN203587295U (en) * | 2013-10-08 | 2014-05-07 | 贵州永红航空机械有限责任公司 | Clamping tool for pressure regulating valve airtightness tests |
| CN104535280A (en) * | 2015-01-07 | 2015-04-22 | 中国长安汽车集团股份有限公司四川建安车桥分公司 | Detection device for automotive rear axle main reducer shell |
| CN204479252U (en) * | 2015-04-01 | 2015-07-15 | 江西海峰重工科技有限责任公司 | The structure for pressure test of final drive casing |
| CN205343807U (en) * | 2015-08-10 | 2016-06-29 | 上海闻泰电子科技有限公司 | Electronic equipment casing pressurize tool |
| CN105937531A (en) * | 2016-06-13 | 2016-09-14 | 歌尔股份有限公司 | Heatable tooling for product shell bonding and pressure maintaining |
| CN205915066U (en) * | 2016-08-24 | 2017-02-01 | 湖北三江航天万山特种车辆有限公司 | Shell positioning device |
| CN207395966U (en) * | 2017-10-09 | 2018-05-22 | 内蒙古北方重型汽车股份有限公司 | Housing clamps pressurizer |
-
2017
- 2017-10-09 CN CN201710931479.4A patent/CN107543657B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08327490A (en) * | 1995-05-31 | 1996-12-13 | Nippon Denpa Kk | Leakage detecting device for underground tank |
| CN101526414A (en) * | 2009-04-24 | 2009-09-09 | 天津渤海职业技术学院 | Seal and bulge test device of shell of gas flow meter |
| CN101936800A (en) * | 2010-09-30 | 2011-01-05 | 江苏南方机电股份有限公司 | Detection equipment of air tightness of shell |
| CN102937505A (en) * | 2012-10-29 | 2013-02-20 | 昆山市力格自动化设备有限公司 | Automobile connector shell sealing detection device |
| CN102980727A (en) * | 2012-11-28 | 2013-03-20 | 武汉船用机械有限责任公司 | Tool for pump pressure tests of motor casing |
| CN203587295U (en) * | 2013-10-08 | 2014-05-07 | 贵州永红航空机械有限责任公司 | Clamping tool for pressure regulating valve airtightness tests |
| CN104535280A (en) * | 2015-01-07 | 2015-04-22 | 中国长安汽车集团股份有限公司四川建安车桥分公司 | Detection device for automotive rear axle main reducer shell |
| CN204479252U (en) * | 2015-04-01 | 2015-07-15 | 江西海峰重工科技有限责任公司 | The structure for pressure test of final drive casing |
| CN205343807U (en) * | 2015-08-10 | 2016-06-29 | 上海闻泰电子科技有限公司 | Electronic equipment casing pressurize tool |
| CN105937531A (en) * | 2016-06-13 | 2016-09-14 | 歌尔股份有限公司 | Heatable tooling for product shell bonding and pressure maintaining |
| CN205915066U (en) * | 2016-08-24 | 2017-02-01 | 湖北三江航天万山特种车辆有限公司 | Shell positioning device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107543657A (en) | 2018-01-05 |
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