CN201714898U - Pneumatic automatic airbag adjusting device - Google Patents
Pneumatic automatic airbag adjusting device Download PDFInfo
- Publication number
- CN201714898U CN201714898U CN2010202363134U CN201020236313U CN201714898U CN 201714898 U CN201714898 U CN 201714898U CN 2010202363134 U CN2010202363134 U CN 2010202363134U CN 201020236313 U CN201020236313 U CN 201020236313U CN 201714898 U CN201714898 U CN 201714898U
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- air
- pressure
- automatic regulating
- regulating apparatus
- electric
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Abstract
The utility model discloses a pneumatic automatic airbag adjusting device, which is connected with an air spring airbag. The air spring airbag is provided with an air intake pipeline and is connected with the pneumatic automatic airbag adjusting device through the air intake pipeline. The pneumatic automatic airbag adjusting device comprises an air source treating duplex component, an electrical reversing valve, an electrical proportional valve and a pressure gauge, the air source treating duplex component, the electrical reversing valve, the electrical proportional valve and the pressure gauge are connected in sequence, and the electrical reversing valve, the electrical proportional valve and the digital pressure gauge are connected with a host control system. The utility model can control the air intake of the airbag according to the air pressure, thereby facilitating the setting of the working pressure, the supply pressure and the minimum protection pressure. Moreover, the air pressure can be adjusted automatically through electrical control, thereby realizing the automatic protection of the airbag, facilitating the use and improving the operating automation and safety.
Description
Technical field
The utility model relates to a kind of maintenance unit, especially relates to a kind of air bag air pressure automatic regulating apparatus that is applied to pneumatic spring.
Background technique
Pneumatic spring does not have on the bolster structure bogie at railway vehicle and has obtained extensive use, when it bears big lateral deformation, also will bear torsional deflection, and the torsional movement of car body normally is coupled.In order to test the reliability of pneumatic spring, standards such as TB/T2841-2005 " railway vehicle pneumatic spring " and external BS EN13597 all require pneumatic spring to rock the big displacement cornering fatigue test of coupling.
Air spring torsion fatigue test carries out on fatigue testing machine, and its air bag inner air pressure should remain on certain limit according to standard-required.Because air-spring bellows is ceaselessly done reciprocally swinging, has gas leak phenomenon inevitably between air bag and upper and lower cover plate and between pneumatic spring inlet end and the table top, cause air pressure to descend, therefore need tonifying Qi manually at set intervals.
Because fatigue test is carried out continuously, and the operator makes an inspection tour trystate at set intervals, therefore just exist because gas leakage causes air-spring bellows air pressure to be lower than the required value phenomenon, test result is just inaccurate like this, also can occur when seriously leaking gas not causing air bag to damage phenomenon because the operator does not in time find.So, for convenience and the Security that improves operation, and reducing operator's labor intensity, necessary design one cover air-spring bellows air pressure automatic regulating apparatus is with the automatic inflation, the tonifying Qi that realize air bag air pressure and the automatic protection when seriously leaking gas.
The model utility content
The purpose of this utility model is to provide a kind of air-spring bellows air pressure automatic regulating apparatus; this model utility can solve well that air bag needs the technical problem of tonifying Qi manually owing to leak gas in the air spring torsion fatigue test that prior art exists; can realize automatic inflation, tonifying Qi and the protection of air bag air pressure, improve convenience, Security and the automaticity of operation.
The utility model provides a kind of embodiment of air bag air pressure automatic regulating apparatus, air bag air pressure automatic regulating apparatus links to each other with air-spring bellows, air-spring bellows is provided with air inlet pipeline, air-spring bellows links to each other with air bag air pressure automatic regulating apparatus by suction tude, air bag air pressure automatic regulating apparatus comprises source of the gas processing bigeminy part, electric selector valve, electric Proportion valve and pressure gauge, source of the gas is handled the bigeminy part, electric selector valve, electric Proportion valve and pressure gauge are connected in turn on the air inlet pipeline, electric selector valve, electric Proportion valve links to each other with engine control system with digital pressure gauge.
As the further mode of execution of the utility model, pressurized air enters air-spring bellows through source of the gas processing bigeminy part, electric selector valve, electric Proportion valve, and pressure gauge and air-spring bellows also are connected on the outlet pipe of electric Proportion valve.
As the further mode of execution of the utility model, the operating air pressure of air-spring bellows and tonifying Qi air pressure can further be set by engine control system, engine control system is controlled the break-make of electric selector valve and electric Proportion valve according to manometric feedback atmospheric pressure value, adjusts the air pressure of air-spring bellows automatically.
As the further mode of execution of the utility model, the minimal protection air pressure of air-spring bellows can further be set by engine control system, and engine control system is according to manometric feedback atmospheric pressure value main control system startup-shutdown.
As the further mode of execution of the utility model, described pressure gauge further is a digital pressure gauge.
As the further mode of execution of the utility model, described electric selector valve further is the automatically controlled electric selector valve of bi-bit bi-pass list.
As the further mode of execution of the utility model, described digital pressure gauge further carries pressure transducer.
By using the described air bag air pressure of the utility model mode of execution automatic regulating apparatus, make air bag air pressure automatic regulating apparatus engine control system monitor air-spring bellows air pressure in real time, control the air inlet of air bag according to the air pressure size; In the testing machine using process, can set operating air pressure, tonifying Qi air pressure and minimal protection air pressure easily, and air pressure be adjusted automatically by the mode of electrical control, made things convenient for use, improved the Security of operation.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is that the structure of the described air bag air pressure of a kind of mode of execution of the utility model automatic regulating apparatus is formed schematic representation;
Wherein: the 1-source of the gas is handled bigeminy part, the electric selector valve of 2-, 3-electric Proportion valve, 4-pressure gauge, 5-air-spring bellows, 6-engine control system.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technological scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is a part of embodiment of the present utility model, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment as a kind of air bag air pressure of the utility model automatic regulating apparatus, as shown in Figure 1 be that a kind of structure that specifically is applied in a kind of embodiment on the rail locomotive vehicle air spring of air bag air pressure automatic regulating apparatus is formed schematic representation, a kind of air bag air pressure automatic regulating apparatus, air bag air pressure automatic regulating apparatus links to each other with air-spring bellows 5, air-spring bellows 5 is provided with air inlet pipeline, air-spring bellows 5 links to each other with air bag air pressure automatic regulating apparatus by suction tude, air bag air pressure automatic regulating apparatus comprises source of the gas processing bigeminy part 1, electric selector valve 2, electric Proportion valve 3 and pressure gauge 4, source of the gas is handled bigeminy part 1, electric selector valve 2, electric Proportion valve 3 and pressure gauge 4 are connected in turn from total suction port to air-spring bellows on the air inlet pipeline 5 suction tude, pressurized air is handled bigeminy part 1 through source of the gas, electric selector valve 2, electric Proportion valve 3 enters air-spring bellows 5, and pressure gauge 4 and air-spring bellows 5 also are connected on the outlet pipe of electric Proportion valve 3.Electric selector valve 2, electric Proportion valve 3 link to each other with engine control system 6 with digital pressure gauge 4.As a kind of exemplary embodiment of the present utility model, pressure gauge 4 is a digital pressure gauge, especially a kind of digital pressure gauge that carries pressure transducer.Electric selector valve 2 is the automatically controlled electric selector valve of bi-bit bi-pass list.
From the pressurized air on the master's air inlet pipeline of workshop, enter air-spring bellows 5 through source of the gas processing bigeminy part 1, electric selector valve 2, electric Proportion valve 3, digital pressure gauge 4 also is connected on electric Proportion valve 3 outlet pipes with air-spring bellows 5.The operating air pressure of air-spring bellows 5 and tonifying Qi air pressure can be set by engine control system 6, and engine control system 6 is controlled the break-make of electric selector valve 2 and electric Proportion valve 3 according to the feedback atmospheric pressure value of pressure gauge 4, adjust the air pressure of air-spring bellows 5 automatically.The minimal protection air pressure of air-spring bellows 5 can be set by engine control system 6, and engine control system 6 is according to the feedback atmospheric pressure value main control system startup-shutdown of pressure gauge 4.
Operating air pressure, tonifying Qi air pressure and minimal protection air pressure by engine control system 6 setting air spring air bags 5.Before beginning test, engine control system 6 is according to the operating air pressure of setting, give electric selector valve 2 and electric Proportion valve 3 energisings, air-spring bellows 5 is inflated automatically, pressure gauge 4 shows the pressure in the air-spring bellows 5 in real time, after air-spring bellows 5 is inflated to predetermined pressure, electric selector valve 2 and electric Proportion valve 3 outages, starting test for main engine.
In process of the test; pressure gauge 4 monitors when pressure is lower than tonifying Qi air pressure in the air bag 5, and engine control system 6 is given electric selector valve 2 and electric Proportion valve 3 energisings under outage state not; after air bag 5 is inflated to predetermined pressure automatically, electric selector valve 2 and electric Proportion valve 3 outages.
In process of the test, pressure gauge 4 monitors when pressure is lower than minimal protection air pressure in the air-spring bellows 5, and engine control system 6 main control system autostops send the acoustooptic alarm signal simultaneously.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. air bag air pressure automatic regulating apparatus, it is characterized in that: described air bag air pressure automatic regulating apparatus links to each other with air-spring bellows (5), air-spring bellows (5) is provided with air inlet pipeline, air-spring bellows (5) links to each other with air bag air pressure automatic regulating apparatus by suction tude, air bag air pressure automatic regulating apparatus comprises source of the gas processing bigeminy part (1), electric selector valve (2), electric Proportion valve (3) and pressure gauge (4), source of the gas is handled bigeminy part (1), electric selector valve (2), electric Proportion valve (3) and pressure gauge (4) are connected in turn on the air inlet pipeline, electric selector valve (2), electric Proportion valve (3) links to each other with engine control system (6) with digital pressure gauge (4).
2. a kind of air bag air pressure automatic regulating apparatus according to claim 1, it is characterized in that: pressurized air enters air-spring bellows (5) through source of the gas processing bigeminy part (1), electric selector valve (2), electric Proportion valve (3), and pressure gauge (4) also is connected on the outlet pipe of electric Proportion valve (3) with air-spring bellows (5).
3. a kind of air bag air pressure automatic regulating apparatus according to claim 1 and 2, it is characterized in that: the operating air pressure of air-spring bellows (5) and tonifying Qi air pressure can pass through engine control system (6) and set, engine control system (6) is controlled the break-make of electric selector valve (2) and electric Proportion valve (3) according to the feedback atmospheric pressure value of pressure gauge (4), adjusts the air pressure of air-spring bellows (5) automatically.
4. a kind of air bag air pressure automatic regulating apparatus according to claim 3; it is characterized in that: the minimal protection air pressure of air-spring bellows (5) can pass through engine control system (6) to be set, and engine control system (6) is according to the feedback atmospheric pressure value main control system startup-shutdown of pressure gauge (4).
5. according to the described a kind of air bag air pressure automatic regulating apparatus of arbitrary claim in the claim 1,2,4, it is characterized in that: described pressure gauge (4) is a digital pressure gauge.
6. a kind of air bag air pressure automatic regulating apparatus according to claim 5 is characterized in that: described electric selector valve (2) is the automatically controlled electric selector valve of bi-bit bi-pass list.
7. according to the described a kind of air bag air pressure automatic regulating apparatus of arbitrary claim in the claim 6, it is characterized in that: described digital pressure gauge (4) carries pressure transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202363134U CN201714898U (en) | 2010-06-25 | 2010-06-25 | Pneumatic automatic airbag adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202363134U CN201714898U (en) | 2010-06-25 | 2010-06-25 | Pneumatic automatic airbag adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201714898U true CN201714898U (en) | 2011-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202363134U Expired - Lifetime CN201714898U (en) | 2010-06-25 | 2010-06-25 | Pneumatic automatic airbag adjusting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN201714898U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537180A (en) * | 2012-01-20 | 2012-07-04 | 河海大学常州校区 | Proportional master control hydraulic damper |
| CN104696699A (en) * | 2013-12-06 | 2015-06-10 | 中国飞机强度研究所 | Air filling device special for position-control type air spring |
| CN104724591A (en) * | 2015-03-12 | 2015-06-24 | 广州铁路职业技术学院 | Safety protection device and method |
| CN104742154A (en) * | 2013-12-25 | 2015-07-01 | 昆山工研院新型平板显示技术中心有限公司 | Protective device and mechanical arm with protective device |
| CN106015426A (en) * | 2016-07-13 | 2016-10-12 | 中国船舶重工集团公司第七〇九研究所 | Altitude valve-based air bag control device for ship |
| CN114934951A (en) * | 2022-04-01 | 2022-08-23 | 宁波芯丰精密科技有限公司 | Air main shaft air pressure protection system |
-
2010
- 2010-06-25 CN CN2010202363134U patent/CN201714898U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537180A (en) * | 2012-01-20 | 2012-07-04 | 河海大学常州校区 | Proportional master control hydraulic damper |
| CN102537180B (en) * | 2012-01-20 | 2013-06-19 | 河海大学常州校区 | Proportional master control hydraulic damper |
| CN104696699A (en) * | 2013-12-06 | 2015-06-10 | 中国飞机强度研究所 | Air filling device special for position-control type air spring |
| CN104696699B (en) * | 2013-12-06 | 2017-01-18 | 中国飞机强度研究所 | Air filling device special for position-control type air spring |
| CN104742154A (en) * | 2013-12-25 | 2015-07-01 | 昆山工研院新型平板显示技术中心有限公司 | Protective device and mechanical arm with protective device |
| CN104724591A (en) * | 2015-03-12 | 2015-06-24 | 广州铁路职业技术学院 | Safety protection device and method |
| CN106015426A (en) * | 2016-07-13 | 2016-10-12 | 中国船舶重工集团公司第七〇九研究所 | Altitude valve-based air bag control device for ship |
| CN114934951A (en) * | 2022-04-01 | 2022-08-23 | 宁波芯丰精密科技有限公司 | Air main shaft air pressure protection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110119 |