CN103728109A - Quick connector for pressure maintaining test - Google Patents
Quick connector for pressure maintaining test Download PDFInfo
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- CN103728109A CN103728109A CN201310732250.XA CN201310732250A CN103728109A CN 103728109 A CN103728109 A CN 103728109A CN 201310732250 A CN201310732250 A CN 201310732250A CN 103728109 A CN103728109 A CN 103728109A
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- pressurize
- hammer
- pressure
- pinch roller
- air chamber
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Abstract
The invention relates to a quick connector for a pressure maintaining test. The quick connector comprises a C-shaped pressure head support, a moving pressing device arranged at the upper end of the pressure head support and a pressure detecting device. A passenger car trolley air chamber to be maintained is arranged at the lower end of the pressure head support. The moving pressing device drives the pressure detecting device to be in butt joint with the passenger car trolley air chamber to be maintained to conduct the pressure maintaining test. The quick connector for the pressure maintaining test can improve the test precision and the test efficiency of the pressure maintaining test.
Description
Technical field
The invention belongs to mechanical field, relate to a kind of joint, relate in particular to a kind of pressurize test rapid-acting coupling used when 25K type railway passenger vehicle chassis air chamber is overhauled.
Background technology
When 25K type railway passenger vehicle chassis air chamber is overhauled, by inspection code requirement, must carry out air pressure pressurize test and water pressure test for strength to the closed air chamber of chassis.Testing requirements is when being pressurized to the pressure of regulation, and closing presure source, then starts timing, in official hour, the pressure of air chamber is changed and is detected.
At present, conventional is to adopt hand stop valve, tensimeter and time set to test; During test, first the hole of chassis air chamber is carried out to shutoff, then connect respectively forcing pipe and tensimeter; Connected rear startup pressue device, when pressure reaches setting, closed pressue device and tested the rear experimental data of manually filling in.Owing to adopting, manually control and detect, test accuracy is difficult to guarantee; Meanwhile, not by pressure measurement and pressurization Interface integration in rapid-acting coupling, the efficiency of impact test.
Summary of the invention
In order to solve the above-mentioned technical matters existing in background technology, the invention provides a kind of pressurize test rapid-acting coupling that improves pressurize test accuracy and test efficiency.
Technical solution of the present invention is: the invention provides a kind of pressurize test rapid-acting coupling, its special character is: described pressurize test rapid-acting coupling comprises the pressure head support that is C type, be arranged on mobile hold down gag and the pressure-detecting device of pressure head support upper end, Awaiting Overhaul passenger vehicle chassis air chamber is placed in the lower end of pressure head support; Described mobile hold down gag drives pressure-detecting device and Awaiting Overhaul passenger vehicle chassis air chamber connect and carry out pressurize test.
Above-mentioned pressure-detecting device comprises hammer, the pressurize outlet that is provided with pressurize import in described hammer, detects mouth and can be connected with Awaiting Overhaul passenger vehicle chassis air chamber for detection of the pressurize of pressurize effect; Described pressurize import, pressurize outlet and pressurize detect mouth and connect by the pipeline that is arranged on hammer inside; Described mobile hold down gag drives hammer and Awaiting Overhaul passenger vehicle chassis air chamber to connect; Described pressurize import is carried out pressurize test by pressurize outlet and Awaiting Overhaul passenger vehicle chassis air chamber.
Above-mentioned pressure-detecting device also comprises the platen that is sleeved on hammer outside and is threaded connection with hammer; Described mobile hold down gag drives hammer and Awaiting Overhaul passenger vehicle chassis air chamber to connect by platen.
Above-mentioned pressure-detecting device also comprises and is fixedly installed on the hammer orienting sleeve that pressure head props up top of the trellis and is sleeved on hammer outside; Described mobile hold down gag drives hammer in hammer orienting sleeve, freely slide and connect with Awaiting Overhaul passenger vehicle chassis air chamber by platen.
Above-mentioned pressure-detecting device also comprises the O type circle that is arranged on hammer bottom.
The handle that above-mentioned mobile hold down gag comprises eccentric pinch roller and is connected with eccentric pinch roller; Described handle drives pressure-detecting device and Awaiting Overhaul passenger vehicle chassis air chamber connect and carry out pressurize test by eccentric pinch roller.
Above-mentioned eccentric pinch roller is connected with handle by bearing pin.
Above-mentioned mobile hold down gag also comprises the eccentric pinch roller locking device being arranged on pressure head support and for preventing that eccentric pinch roller is loosening.
Above-mentioned eccentric pinch roller locking device comprises handle and is sleeved on the spring on handle; One end of described handle is arranged on pressure head support by spring, and the other end only leans against on eccentric pinch roller.
On above-mentioned eccentric pinch roller, be provided with locking hole; One end of described handle is arranged on pressure head support by spring, and the other end stretches in the locking hole of eccentric pinch roller.
Advantage of the present invention is:
The invention provides a kind of pressurize test rapid-acting coupling, this joint comprises the pressure head support that is C type, is arranged on mobile hold down gag and the pressure-detecting device of pressure head support upper end, and Awaiting Overhaul passenger vehicle chassis air chamber is placed in the lower end of pressure head support; Mobile hold down gag drives pressure-detecting device and Awaiting Overhaul passenger vehicle chassis air chamber connect and carry out pressurize test.The present invention can effectively improve the precision of 25K type passenger vehicle chassis air chamber pressurize test, thereby improves repair quality; Because adopt combination fast joint and solenoid electric valve, can improve work efficiency simultaneously, reduce labor strength, reduce the cost of overhaul, this system and circulating water pool support the use and also can greatly reduce examination water water consumption simultaneously, save the energy.The present invention mainly improves the precision of pressurize test and the efficiency of test.
Accompanying drawing explanation
Fig. 1 is the structural representation of pressurize test rapid-acting coupling provided by the present invention;
Fig. 2 is the structural representation of pressurize test rapid-acting coupling provided by the present invention when pressing down;
Fig. 3 is that the A-A of Fig. 2 is to structure for amplifying schematic diagram;
Wherein:
1-pressure head support; The eccentric pinch roller of 2-; 3-hammer; 4-platen; 5-hammer orienting sleeve; 6-handle; 9-handle; 10-spring; 14-pin; 15-O type circle; 16-pressurize outlet; 17-pressurize import; 18-pressurize detects mouth.
Embodiment
Referring to Fig. 1, Fig. 2 and Fig. 3, the invention provides a kind of pressurize test rapid-acting coupling, this pressurize test rapid-acting coupling comprises a kind of pressurize test rapid-acting coupling, pressurize test rapid-acting coupling comprises the pressure head support 1 that is C type, be arranged on mobile hold down gag and the pressure-detecting device of pressure head support 1 upper end, Awaiting Overhaul passenger vehicle chassis air chamber is placed in the lower end of pressure head support 1; Mobile hold down gag drives pressure-detecting device and Awaiting Overhaul passenger vehicle chassis air chamber connect and carry out pressurize test.
Pressure-detecting device comprises hammer 3, the pressurize outlet 16 that is provided with pressurize import 17 in hammer 3, detects mouth 18 and can be connected with Awaiting Overhaul passenger vehicle chassis air chamber for detection of the pressurize of pressurize effect; Pressurize import 17, pressurize outlet 16 and pressurize detect mouth 18 and connect by the pipeline that is arranged on hammer 3 inside; Mobile hold down gag drives hammer 3 and Awaiting Overhaul passenger vehicle chassis air chamber to connect; Pressurize import 17 exports 16 by pressurize and carries out pressurize test with Awaiting Overhaul passenger vehicle chassis air chamber.
Pressure-detecting device also comprises the platen 4 that is sleeved on hammer 3 outsides and is threaded connection with hammer 3; Mobile hold down gag drives hammer 3 and Awaiting Overhaul passenger vehicle chassis air chamber to connect by platen 4.
Pressure-detecting device also comprises the hammer orienting sleeve 5 that is fixedly installed on pressure head support 1 top and is sleeved on hammer 3 outsides; Mobile hold down gag drives hammer 3 in hammer orienting sleeve 5, freely slide and connect with Awaiting Overhaul passenger vehicle chassis air chamber by platen 4.
Pressure-detecting device also comprises the O type circle 15 that is arranged on hammer 3 bottoms.
The handle 6 that mobile hold down gag comprises eccentric pinch roller 2 and is connected with eccentric pinch roller 2; Handle 6 drives pressure-detecting device and Awaiting Overhaul passenger vehicle chassis air chamber connect and carry out pressurize test by eccentric pinch roller 2.
Eccentric pinch roller 2 is connected with handle 6 by bearing pin.
Mobile hold down gag also comprises eccentric pinch roller 2 locking devices that are arranged on pressure head support 1 and for preventing that eccentric pinch roller 2 from becoming flexible.
Eccentric pinch roller 2 locking devices comprise handle 9 and are sleeved on the spring 10 on handle 9; One end of handle 9 is arranged on pressure head support 1 by spring 10, and the other end only leans against on eccentric pinch roller 2.
On eccentric pinch roller 2, be provided with locking hole; One end of handle 9 is arranged on pressure head support 1 by spring 10, and the other end stretches in the locking hole of eccentric pinch roller 2.
Use-pattern of the present invention is:
1, locking: when handle 6 is during in pressure head support 1 front, the distance between hammer 3 lower planes and lower locking face is 261mm; Pull backward handle 6, now eccentric wheel is rotated counterclockwise, eccentric wheel outer extruding platen 4, platen 4 drives hammer 3 to move downward, when handle 6 Rotate 180s ° arrive pressure head support 1 rear, now the distance between hammer 3 lower planes and lower locking face is 241mm, fits tightly, thereby reach sealing because the elasticity of O type circle 15 and the flexibly-acting of pressure head support 1 arm make hammer 3 and surface of the work.Handle 6 is rotated in place after compression, and register pin enters locked eccentric wheel in the pilot hole of eccentric pinch roller 2 and prevents from reversing loosening under the effect of spring 10.
2, unclamp: the light handle 6 of pressing counterclockwise, pin 14 is pulled out, until handle 6 can turn clockwise, 180 °, the handle of turning clockwise is to pressure head support 1 front simultaneously, now the distance between hammer 3 lower planes and lower locking face is 261mm, connects soon separation with workpiece.
3, adjust the distance between hammer 3 lower planes and lower locking face: unclamp round nut, be rotated counterclockwise platen 4 distance between hammer 3 lower planes and lower locking face is reduced, or the platen 4 that turns clockwise increases the distance between hammer 3 lower planes and lower locking face.
Claims (10)
1. a pressurize test rapid-acting coupling, it is characterized in that: described pressurize test rapid-acting coupling comprises the pressure head support that is C type, be arranged on mobile hold down gag and the pressure-detecting device of pressure head support upper end, Awaiting Overhaul passenger vehicle chassis air chamber is placed in the lower end of pressure head support; Described mobile hold down gag drives pressure-detecting device and Awaiting Overhaul passenger vehicle chassis air chamber connect and carry out pressurize test.
2. pressurize test rapid-acting coupling according to claim 1, it is characterized in that: described pressure-detecting device comprises hammer the pressurize outlet that is provided with pressurize import in described hammer, detects mouth and can be connected with Awaiting Overhaul passenger vehicle chassis air chamber for detection of the pressurize of pressurize effect; Described pressurize import, pressurize outlet and pressurize detect mouth and connect by the pipeline that is arranged on hammer inside; Described mobile hold down gag drives hammer and Awaiting Overhaul passenger vehicle chassis air chamber to connect; Described pressurize import is carried out pressurize test by pressurize outlet and Awaiting Overhaul passenger vehicle chassis air chamber.
3. pressurize test rapid-acting coupling according to claim 2, is characterized in that: described pressure-detecting device also comprises the platen that is sleeved on hammer outside and is threaded connection with hammer; Described mobile hold down gag drives hammer and Awaiting Overhaul passenger vehicle chassis air chamber to connect by platen.
4. pressurize according to claim 3 test rapid-acting coupling, is characterized in that: described pressure-detecting device also comprises and is fixedly installed on the hammer orienting sleeve that pressure head props up top of the trellis and is sleeved on hammer outside; Described mobile hold down gag drives hammer in hammer orienting sleeve, freely slide and connect with Awaiting Overhaul passenger vehicle chassis air chamber by platen.
5. pressurize test rapid-acting coupling according to claim 4, is characterized in that: described pressure-detecting device also comprises the O type circle that is arranged on hammer bottom.
6. according to the pressurize test rapid-acting coupling described in the arbitrary claim of claim 1-5, it is characterized in that: the handle that described mobile hold down gag comprises eccentric pinch roller and is connected with eccentric pinch roller; Described handle drives pressure-detecting device and Awaiting Overhaul passenger vehicle chassis air chamber connect and carry out pressurize test by eccentric pinch roller.
7. pressurize test rapid-acting coupling according to claim 6, is characterized in that: described eccentric pinch roller is connected with handle by bearing pin.
8. pressurize test rapid-acting coupling according to claim 7, is characterized in that: described mobile hold down gag also comprises the eccentric pinch roller locking device being arranged on pressure head support and for preventing that eccentric pinch roller is loosening.
9. pressurize test rapid-acting coupling according to claim 8, is characterized in that: described eccentric pinch roller locking device comprises handle and is sleeved on the spring on handle; One end of described handle is arranged on pressure head support by spring, and the other end only leans against on eccentric pinch roller.
10. pressurize test rapid-acting coupling according to claim 9, is characterized in that: on described eccentric pinch roller, be provided with locking hole; One end of described handle is arranged on pressure head support by spring, and the other end stretches in the locking hole of eccentric pinch roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310732250.XA CN103728109A (en) | 2013-12-23 | 2013-12-23 | Quick connector for pressure maintaining test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310732250.XA CN103728109A (en) | 2013-12-23 | 2013-12-23 | Quick connector for pressure maintaining test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103728109A true CN103728109A (en) | 2014-04-16 |
Family
ID=50452279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310732250.XA Pending CN103728109A (en) | 2013-12-23 | 2013-12-23 | Quick connector for pressure maintaining test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103728109A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4007276C2 (en) * | 1990-03-08 | 2000-06-08 | Immanuel Jeschke | Gas building connection device |
| CN2536989Y (en) * | 2002-03-20 | 2003-02-19 | 田敬焱 | Device for measuring axial gaps of rolling bearings of railway vehicles |
| CN201034797Y (en) * | 2007-04-10 | 2008-03-12 | 上海宝钢设备检修有限公司 | Cleaning between rolls instrument displacement measurement dynamic seal detecting system |
| CN102359598A (en) * | 2011-06-28 | 2012-02-22 | 东风（十堰）底盘部件有限公司 | Plug |
| CN202166508U (en) * | 2011-08-24 | 2012-03-14 | 卢建伟 | Intelligent airtightness checking instrument of self-rescuer |
| CN102818685A (en) * | 2012-07-11 | 2012-12-12 | 马恒达悦达（盐城）拖拉机有限公司 | Air-tight test testing system of tractor tank |
| CN203705135U (en) * | 2013-12-23 | 2014-07-09 | 西安轨道交通装备有限责任公司 | Rapid joint for pressure retaining test |
-
2013
- 2013-12-23 CN CN201310732250.XA patent/CN103728109A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4007276C2 (en) * | 1990-03-08 | 2000-06-08 | Immanuel Jeschke | Gas building connection device |
| CN2536989Y (en) * | 2002-03-20 | 2003-02-19 | 田敬焱 | Device for measuring axial gaps of rolling bearings of railway vehicles |
| CN201034797Y (en) * | 2007-04-10 | 2008-03-12 | 上海宝钢设备检修有限公司 | Cleaning between rolls instrument displacement measurement dynamic seal detecting system |
| CN102359598A (en) * | 2011-06-28 | 2012-02-22 | 东风（十堰）底盘部件有限公司 | Plug |
| CN202166508U (en) * | 2011-08-24 | 2012-03-14 | 卢建伟 | Intelligent airtightness checking instrument of self-rescuer |
| CN102818685A (en) * | 2012-07-11 | 2012-12-12 | 马恒达悦达（盐城）拖拉机有限公司 | Air-tight test testing system of tractor tank |
| CN203705135U (en) * | 2013-12-23 | 2014-07-09 | 西安轨道交通装备有限责任公司 | Rapid joint for pressure retaining test |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140416 |