CN205560269U - Aircraft pressure automated inspection irritates and fills device - Google Patents
Aircraft pressure automated inspection irritates and fills device Download PDFInfo
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- CN205560269U CN205560269U CN201620351106.0U CN201620351106U CN205560269U CN 205560269 U CN205560269 U CN 205560269U CN 201620351106 U CN201620351106 U CN 201620351106U CN 205560269 U CN205560269 U CN 205560269U
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- pressure
- regulating valve
- air
- measurement part
- pressure regulating
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Abstract
The utility model discloses an aircraft pressure automated inspection irritates and fills device, include ejector pin bracket parts, pressure measurement part, gassing part, aerify the part, the pipe connection is passed through to ejector pin bracket parts, pressure measurement part, the partial connection is aerifyd through pipeline and gassing subtotal to the pressure measurement part, ejector pin bracket parts includes ejector pin and support, be provided with the coupling nut on the ejector pin, ejector pin, support and coupling nut have multiple specification, the utility model discloses a pressure regulating valve, digital manometer etc. Gassing, gas filled safe, quick, accurate has been guaranteed to the accuracy that realize to detect to can adjust the detection, irritate the power of pressurizing according to the specified atmospheric pressure value of different machines, different undercarriage leg or accumulator, have commonality, suitability.
Description
Technical field:
This utility model relates to a kind of pressure detecting and filling device, particularly relates to a kind of aircraft pressure and automatically detects filling device.
Background technology:
Aircraft in use shock strut internal gas pressure is too small, excessively mostly will directly affect its damping performance, even damages pillar, jeopardizes flight safety.If air pressure is too small, shock strut deliquescing is easily compressed, and when can cause aircraft landing, likely the piston of pillar has been encountered restraint circle and also do not absorbed Impact energy, causes each junction point of undercarriage to bear rigid impact and destroy；If air pressure is excessive, shock strut is hardening the most compressible, and shock strut and the impact of other structure, load can be caused during aircraft landing to increase and destroy.Therefore often to detect its air pressure size, if it find that air pressure is abnormal it is necessary to exit in time or fill, cause, in aircraft accumulator its pressure meeting against regulation everywhere, the problem that performance and efficiency reduces equally, be therefore also required to detection, filling.
Existing filling method is to connect Pneumatic support check air pressure and adjust filling, some problem below existing when checking filling: 1) measure accurate problem, traditional type pointer Pressure gauge, estimate reading by people when measuring pressure during its reading, and relevant with people's viewing angle, inconvenience and error are bigger；2) safety problem, when to pressure gauge reading, is that eyes face dial plate to ensure accuracy of reading by method for normalizing, but in reality fills, often occurs that manometric dial plate glass under high pressure ejects, even can injure people.3) exit accurate problem, when checking PSurvey>PMark, need manually to unscrew sealing nut and pillar exitted, and when venting, due to manually according to Pressure gauge instruction operation, because being difficult to opportunity to hold or dynamic pressure is less than factors such as static pressure, overgassing or very few often occurs, and needs to refill or repeat venting.4) fill accurate problem, in like manner, exist too when filling and be not easy to grasp thus the problem of repeatable operation.
Utility model content:
Technical problem to be solved in the utility model is: overcome the deficiencies in the prior art, there is provided a kind of simple in construction, be easy to carry, can disassemble, realize safe and accurate, quickly aircraft strut pressure is detected and fills, and there is stronger adaptability, it is simple to the aircraft pressure of different machines, different undercarriage leg and accumulator use everywhere is detected filling device automatically.
The technical solution of the utility model is: a kind of aircraft pressure detects filling device automatically, including push rod holder part, pressure measurement part, air bleeding portion, injection section, described push rod holder part, pressure measurement part are connected by pipeline, described pressure measurement part is connected with air bleeding portion and injection section by pipeline, described push rod holder part includes push rod and support, being provided with coupling nut on described push rod, described push rod, support and coupling nut have plurality of specifications.
Described pressure measurement part include Pressure gauge and put residual air switch, described Pressure gauge is digital pressure gauge, described in put residual air switch and atmosphere.
Described injection section includes that Inflatable pressure-regulating valve and gas-filled switching tube, described Inflatable pressure-regulating valve include high-pressure aerated pressure regulating valve, low inflation pressure regulating valve, and described gas-filled switching tube includes that high-pressure aerated switch, low inflation switch.
Described high-pressure aerated pressure regulating valve is connected by pipeline with high-pressure aerated switch, described high-pressure aerated pressure regulating valve is connected with pressure measurement part, described high-pressure aerated switch is connected with cold air (nitrogen) bottle or other cold air (nitrogen) source by air filter, described low inflation pressure regulating valve is connected by pipeline with low inflation switch, described low inflation pressure regulating valve is connected with pressure measurement part, and described low inflation switch is connected with air bottle by air filter.
Described air bleeding portion includes exit pressure regulating valve and air escape cock, and described venting pressure regulating valve includes high pressure venting pressure regulating valve, low pressure venting pressure regulating valve, and described air escape cock includes high pressure air escape cock, low pressure air escape cock.
Described high pressure venting pressure regulating valve is connected by pipeline with high pressure air escape cock, described high pressure air escape cock is connected with pressure measurement part, described high pressure venting pressure regulating valve connection air, described low pressure venting pressure regulating valve is connected by pipeline with low pressure air escape cock, described low pressure air escape cock is connected with pressure measurement part, described low pressure venting pressure regulating valve connection air.
The beneficial effects of the utility model are:
1, this utility model passes through pressure regulating valve, digital pressure gauge etc., realize the accuracy of detection, ensure that venting, inflation quick, accurate, and detection, filling pressure can be adjusted according to the nominal pressure value of different machines, different undercarriage leg or accumulator, there is versatility, the suitability.
2, this utility model is provided with digital pressure gauge, the problem existed when solving the detection of traditional type pointer Pressure gauge, is additionally provided with simultaneously and puts residual air switch, it is ensured that when closing the inflation inlet of undercarriage leg accumulator, the release of the application internal pressure gas.
3, this utility model push rod, support and coupling nut have plurality of specifications, it is ensured that the application can adapt to fall post setting or the accumulator of plurality of specifications.
4, this utility model is provided with low inflation pressure regulating valve, low inflation switch, high-pressure aerated pressure regulating valve, high-pressure aerated switch, air filter, use high-pressure aerated pressure regulating valve, high-pressure aerated switch to operate when air pressure difference is bigger, low inflation pressure regulating valve, low inflation switch is used when air pressure difference is little, the setting of air filter, ensure the degree of purity of insufflation gas, prevent the blocking of pipeline.
5, this utility model low pressure venting pressure regulating valve, low pressure air escape cock, high pressure venting pressure regulating valve, high pressure air escape cock, use when air pressure difference is bigger high pressure venting pressure regulating valve, high pressure air escape cock to operate, use low pressure venting pressure regulating valve, low pressure air escape cock when air pressure difference is little.
Accompanying drawing illustrates:
Fig. 1 is the structural representation that aircraft pressure detects filling device automatically.
Fig. 2 is detection filling FB(flow block).
Detailed description of the invention:
Embodiment: see Fig. 1, in figure, 1-push rod, 2-coupling nut, 3-support, 4-Pressure gauge, the high-pressure aerated pressure regulating valve of 5-, 6-low inflation pressure regulating valve, the high-pressure aerated switch of 7-, 8-low inflation switchs, 9-high pressure venting pressure regulating valve, 10-low pressure venting pressure regulating valve, 11-high pressure air escape cock, 12-low pressure air escape cock, 13-air filter.
Aircraft pressure detects filling device automatically, including push rod holder part, pressure measurement part, air bleeding portion, injection section, push rod holder part, pressure measurement part are connected by pipeline, pressure measurement part is connected with air bleeding portion and injection section by pipeline, push rod holder part includes support 3, push rod 1 and coupling nut 2, push rod 1, coupling nut 2 it is provided with on support 3, according to, change support 3 and can realize the detection of accumulator, filling different to different type of machines, position etc..
Pressure measurement part includes that Pressure gauge 4, Pressure gauge 4 are digital pressure gauge.
Injection section includes Inflatable pressure-regulating valve and gas-filled switching tube.Inflatable pressure-regulating valve includes high-pressure aerated pressure regulating valve 5, low inflation pressure regulating valve 6.Gas-filled switching tube includes high-pressure aerated switch 7, low inflation switch 8.High-pressure aerated pressure regulating valve 5 is connected by pipeline with high-pressure aerated switch 7, high-pressure aerated pressure regulating valve 7 is connected with pressure measurement part, high-pressure aerated switch 7 is connected with air bottle by air filter 13, low inflation pressure regulating valve 6 is connected by pipeline with low inflation switch 8, low inflation pressure regulating valve 6 is connected with pressure measurement part, and low inflation switch 8 is connected with air bottle by air filter 13.
Air bleeding portion includes that exit pressure regulating valve and air escape cock, venting pressure regulating valve include high pressure venting pressure regulating valve 9, low pressure venting pressure regulating valve 10, and air escape cock includes high pressure air escape cock 11, low pressure air escape cock 12.High pressure venting pressure regulating valve 9 is connected by pipeline with high pressure air escape cock 11, high pressure air escape cock 11 is connected with pressure measurement part, high pressure venting pressure regulating valve 9 connects air, low pressure venting pressure regulating valve 10 is connected by pipeline with low pressure air escape cock 12, low pressure air escape cock 12 is connected with pressure measurement part, and low pressure venting pressure regulating valve 11 connects air.
During use, including the following steps: 1) prepare: 1. require difference according to type, undercarriage or accumulator etc., regulation low pressure venting pressure regulating valve, high pressure venting pressure regulating valve, low inflation pressure regulating valve, high-pressure aerated pressure regulating valve atmospheric pressure size to air pressure detection at this, the rated value (if do not changed by filling object, typically can skip over this step) of filling.2. the charging connector of accumulator is connected by coupling nut.2) detection: make it back down the inner core of the charging connector of accumulator, the testing pressure in digital pressure gauge display accumulator by rotating push rod.3) inflation: when the pressure detected is less than the rated value P of this accumulatorSurvey<PMarkTime, on the premise of connecting cold air or source nitrogen, open corresponding gas-filled switching tube, device is inflated to accumulator by Inflatable pressure-regulating valve, until accumulator internal gas pressure reaches nominal pressure scope PSurveyÎPMark, gas replenishment process is automatically controlled by Inflatable pressure-regulating valve.4) venting: when the pressure detected is more than rated value PSurvey>PMarkTime, open corresponding air escape cock, device is exitted to air by venting pressure regulating valve, until accumulator internal gas pressure reaches nominal pressure scope PSurveyÎPMark, deflation course is automatically controlled by pressure regulating valve of exitting.5) recover: exit push rod and make the inner core of charging connector close, unscrew coupling nut and put residual air, pull down filling device, check and recover inflation valve.Use flow process, step as shown in Figure 2.
The application relative to using Conventional pneumatic support that undercarriage leg or accumulator are detected, inflation/deflation method, the advance having: the application has safely, conveniently, accurately, and there is the stronger suitability.1) safety, digital pressure gauge is when detected air pressure, clear and intuitive and face without flight crew, it is to avoid reading inconvenience and just to during glass pressure dial plate because of the potential safety hazard of dial plate explosion.2) convenience, fill, exitting all has only to open the switch of correspondence, by respective pressure regulating valve automatically control its fill, deflation course, when reaching nominal pressure value, fill, deflation course i.e. by, whole process is convenient accurately, it is to avoid tradition is filled, deflation course by Artificial Control time, accuracy is inadequate, even occurs needing to exit or the repeated maloperation such as to have exitted many needs reinflated because inflating again.3) accuracy, is embodied in many aspects: 1. high accuracy, high stability the class of accuracy of digital pressure gauge own high；2. digital pressure gauge accuracy of reading, it is to avoid pointer pressure artificial error in reading；3. fill, exit by pressure regulating valve control, fill, bleed off pressure power precise control；4. during inflation, push rod need not exit, and Pressure gauge indicated value is force value in pillar or accumulator, and the blowing pressure value that pressure regulating valve controls also be force value in pillar or accumulator, it is to avoid fills 0.5 MPa～0.8 MPa during Conventional pneumatic more and inflates inaccurate.4) suitability, device by pressure regulating valve control fill, deflation course time nominal pressure size, therefore, when being needed to change nominal pressure value by the change such as type, accumulator condition, only pressure regulating valve the most applicable different operating requirement need to be regulated when " preparation " works.
The above, it it is only preferred embodiment of the present utility model, not this utility model is made any pro forma restriction, every any simple modification, equivalent variations and modification made above example according to technical spirit of the present utility model, all still falls within the range of technical solutions of the utility model.
Claims (6)
1. an aircraft pressure detects filling device automatically, including push rod holder part, pressure measurement part, air bleeding portion, injection section, it is characterized in that: described push rod holder part, pressure measurement part are connected by pipeline, described pressure measurement part is connected with air bleeding portion and injection section by pipeline, described push rod holder part includes push rod and support, being provided with coupling nut on described push rod, described push rod, support and coupling nut have plurality of specifications.
Aircraft pressure the most according to claim 1 detects filling device automatically, it is characterized in that: described pressure measurement part include Pressure gauge and put residual air switch, described Pressure gauge is digital pressure gauge, described in put residual air switch and atmosphere.
Aircraft pressure the most according to claim 1 detects filling device automatically, it is characterized in that: described injection section includes Inflatable pressure-regulating valve and gas-filled switching tube, described Inflatable pressure-regulating valve includes high-pressure aerated pressure regulating valve, low inflation pressure regulating valve, and described gas-filled switching tube includes that high-pressure aerated switch, low inflation switch.
Aircraft pressure the most according to claim 3 detects filling device automatically, it is characterized in that: described high-pressure aerated pressure regulating valve is connected by pipeline with high-pressure aerated switch, described high-pressure aerated pressure regulating valve is connected with pressure measurement part, described high-pressure aerated switch is connected with air bottle by air filter, described low inflation pressure regulating valve is connected by pipeline with low inflation switch, described low inflation pressure regulating valve is connected with pressure measurement part, and described low inflation switch is connected with air bottle by air filter.
Aircraft pressure the most according to claim 1 detects filling device automatically, it is characterized in that: described air bleeding portion includes exit pressure regulating valve and air escape cock, described venting pressure regulating valve includes high pressure venting pressure regulating valve, low pressure venting pressure regulating valve, and described air escape cock includes high pressure air escape cock, low pressure air escape cock.
Aircraft pressure the most according to claim 5 detects filling device automatically, it is characterized in that: described high pressure venting pressure regulating valve is connected by pipeline with high pressure air escape cock, described high pressure air escape cock is connected with pressure measurement part, described high pressure venting pressure regulating valve connection air, described low pressure venting pressure regulating valve is connected by pipeline with low pressure air escape cock, described low pressure air escape cock is connected with pressure measurement part, described low pressure venting pressure regulating valve connection air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620351106.0U CN205560269U (en) | 2016-04-25 | 2016-04-25 | Aircraft pressure automated inspection irritates and fills device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620351106.0U CN205560269U (en) | 2016-04-25 | 2016-04-25 | Aircraft pressure automated inspection irritates and fills device |
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| CN205560269U true CN205560269U (en) | 2016-09-07 |
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| CN201620351106.0U Expired - Fee Related CN205560269U (en) | 2016-04-25 | 2016-04-25 | Aircraft pressure automated inspection irritates and fills device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108254121A (en) * | 2017-12-14 | 2018-07-06 | 中国航空工业集团公司成都飞机设计研究所 | Inflation valve with temperature and pressure detection function |
| CN109578804A (en) * | 2019-02-19 | 2019-04-05 | 宇能电气有限公司 | Safe type electric air filling device |
| CN114354049A (en) * | 2022-03-18 | 2022-04-15 | 深圳市三江名创电子科技有限公司 | Stress detection device for mobile phone protective film |
-
2016
- 2016-04-25 CN CN201620351106.0U patent/CN205560269U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108254121A (en) * | 2017-12-14 | 2018-07-06 | 中国航空工业集团公司成都飞机设计研究所 | Inflation valve with temperature and pressure detection function |
| CN109578804A (en) * | 2019-02-19 | 2019-04-05 | 宇能电气有限公司 | Safe type electric air filling device |
| CN114354049A (en) * | 2022-03-18 | 2022-04-15 | 深圳市三江名创电子科技有限公司 | Stress detection device for mobile phone protective film |
| CN114354049B (en) * | 2022-03-18 | 2022-05-20 | 深圳市三江名创电子科技有限公司 | Stress detection device for mobile phone protective film |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20170425 |
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| CF01 | Termination of patent right due to non-payment of annual fee |