CN112208790B - Output pressure testing device of load-resisting pressure regulator - Google Patents
Output pressure testing device of load-resisting pressure regulator Download PDFInfo
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- CN112208790B CN112208790B CN202011076020.9A CN202011076020A CN112208790B CN 112208790 B CN112208790 B CN 112208790B CN 202011076020 A CN202011076020 A CN 202011076020A CN 112208790 B CN112208790 B CN 112208790B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/60—Testing or inspecting aircraft components or systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/007—Subject matter not provided for in other groups of this subclass by applying a load, e.g. for resistance or wear testing
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- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention relates to an output pressure testing device of an anti-load pressure regulator, and belongs to the technical field of aircraft system design. The device comprises a force application device and a pressure measurement device; the force applying device comprises a sleeve, a bracket, a rotating shaft, a shell, a lever and a pressing block; the upper end of the sleeve is connected with a lever through a rotating shaft on the bracket, and a shell below the lever is connected with a pressing block; the pressure measuring device comprises a digital pressure gauge, a joint, a three-way joint, a connecting pipe nozzle and a gas cylinder; the upper end of the gas cylinder is connected with a three-way joint, the other two ends of the three-way joint are respectively connected with a digital pressure gauge and a pipe connecting port through hoses, and the digital pressure gauge is connected with the three-way joint through a joint. The invention realizes the on-board in-situ detection of the performance of the load-resisting pressure regulator of the airplane.
Description
Technical Field
The invention relates to an output pressure testing device of an anti-load pressure regulator, and belongs to the technical field of aircraft system design.
Background
The anti-load pressure regulator is an important part of an airplane anti-load system, when the airplane performs maneuvering flight to generate longitudinal positive overload, the anti-load pressure regulator automatically fills air with corresponding pressure into the anti-load suit along with the overload value, so that the belly and four limbs of a pilot are pressed, the blood of the pilot is prevented from concentrating to the lower limbs, and the brain of the pilot is ensured to have sufficient blood so that the pilot has sufficient survival ability. In order to meet the safety operation regulation and the operation regulation of the driving of the airplane, a portable output pressure testing device of an anti-load pressure regulator is required to be designed so as to bring the anti-load pressure regulator into a cabin to close a movable hatch cover to detect the performance of the anti-load pressure regulator.
Disclosure of Invention
The invention aims to provide an output pressure testing device of an anti-load pressure regulator, which realizes the on-board in-situ detection of the performance of the anti-load pressure regulator of an airplane.
In order to achieve the purpose, the invention adopts the following technical scheme: an output pressure testing device of an anti-load pressure regulator comprises a force application device and a pressure measuring device;
the force applying device comprises a sleeve, a bracket, a rotating shaft, a shell, a lever and a pressing block; the upper end of the sleeve is connected with a lever through a rotating shaft on the bracket, and a shell below the lever is connected with a pressing block;
the pressure measuring device comprises a digital pressure gauge, a joint, a three-way joint, a connecting pipe nozzle and a gas cylinder; the upper end of the gas cylinder is connected with a three-way joint, the other two ends of the three-way joint are respectively connected with a digital pressure gauge and a pipe connecting port through hoses, and the digital pressure gauge is connected with the three-way joint through a joint.
Furthermore, the force applying device and the pressure measuring device are packaged in the packaging box.
Furthermore, the packing box is divided into an upper layer and a lower layer and is provided with a preset interlayer.
Further, the gas cylinder is arranged at the bottom layer of the packing box.
Furthermore, a force applying device, a digital pressure gauge and weights are arranged on the upper layer of the packaging box.
Further, the hose is coiled and placed in a preset interlayer of the packing box.
Furthermore, a panel is arranged on the digital pressure gauge.
The invention realizes miniaturization by intensively arranging all components in the box body so as to bring the components into an airplane cabin for in-situ detection. The boosting device applies pressure to the counter weight of the load-resisting pressure regulator to simulate overload, an outlet pipeline of the load-resisting pressure regulator is connected with a gas cylinder simulation load-resisting clothes containing cavity, and meanwhile, a measuring device with a pressure gauge is arranged on the outlet pipeline of the load-resisting pressure regulator and used for testing output pressure.
During testing, a hose joint matched with the device is connected with an anti-load sleeve on the oxygen disconnecting and connecting device on the airplane, and an air supply switch of the cabin is turned on. The sleeve in the force applying device is sleeved on the top of the load-resisting pressure regulator. Starting the engine, and applying force to the counter weight of the load-resisting pressure regulator by hanging weights corresponding to different overloads at the tail end of the force applying device. The pressure-resisting regulator outputs air with corresponding pressure under the action of overload, and the air is input into the air bottle through the load-resisting sleeve interface of the oxygen disconnecting-connecting device, and the pressure gauge of the pressing force measuring device determines the output pressure value of the pressure-resisting regulator. And judging whether the performance of the load-resisting pressure regulator meets the requirement or not according to the given overload value and the output pressure comparison table.
The invention has the beneficial effects that:
the device is compact in package and convenient to carry from a practical angle on the premise of meeting the equipment test requirements; in order to adapt to the on-board driving test environment, the pressure measuring device adopts a high-precision digital pressure gauge, and the test accuracy is high; the device is provided with different weights, can measure the performance of various types of load-resisting pressure regulators, and has better universality; the device can adapt to the use environment of the airplane, and can be brought into a cockpit by crew members to carry out in-situ detection on the load-resisting pressure regulator.
Drawings
FIG. 1 is a schematic diagram illustrating the overall effect of the present invention;
FIG. 2 is a schematic view of a force applying device of the present invention;
FIG. 3 is a schematic top view of FIG. 2;
fig. 4 is a schematic view of a pressure measuring device of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an anti-loading pressure regulator output pressure testing arrangement which characterized in that: the device comprises a force application device and a pressure measurement device;
the force applying device 23 comprises a sleeve 1, a bracket 2, a rotating shaft 3, a shell 4, a lever 5 and a pressing block 6; the upper end of the sleeve 1 is connected with a lever 5 through a rotating shaft 3 on the bracket 2, and a shell 4 below the lever 5 is connected with a pressing block 6;
the pressure measuring device comprises a digital pressure gauge 11, a connector 12, a three-way connector 13, a filler neck 14 and a gas bottle 15; the upper end of the gas cylinder 15 is connected with a three-way joint 13, the other two ends of the three-way joint 13 are respectively connected with a digital pressure gauge 11 and a filler neck 14 through a hose 24, and the digital pressure gauge 11 is connected with the three-way joint 13 through a joint 12.
Further, the urging means 23 and the pressure measuring means are enclosed in the package 21.
Further, the packing box 21 is divided into an upper layer and a lower layer and is provided with an interlayer.
Further, the gas cylinder 15 is disposed at a lower layer of the packing case 21.
Further, a force applying device 23, a digital pressure gauge 11 and weights 22 are arranged on the upper layer of the packing box 21.
Further, the hose 24 is wound and placed in a preset sandwich of the packing box 21.
Furthermore, a panel is arranged on the digital pressure gauge 11.
The invention realizes miniaturization by intensively arranging all components in the box body so as to bring the components into an airplane cabin for in-situ detection, and the device effect diagram is shown in figure 1. The boosting device applies pressure to the counter weight of the load-resisting pressure regulator to simulate overload, an outlet pipeline of the load-resisting pressure regulator is connected with a gas cylinder simulation load-resisting clothes containing cavity, and meanwhile, a measuring device with a pressure gauge is arranged on the outlet pipeline of the load-resisting pressure regulator and used for testing output pressure.
During testing, the hose joint matched with the device is connected with the anti-load sleeve on the oxygen disconnect device on the aircraft, and the cabin air supply switch is turned on. The sleeve in the force applying device is sleeved on the top of the load-resisting pressure regulator. Starting the engine, and applying force to the counter weight of the load-resisting pressure regulator by hanging weights corresponding to different overloads at the tail end of the force applying device. The pressure-resisting regulator outputs air with corresponding pressure under the action of overload, and the air is input into the air bottle through the load-resisting sleeve interface of the oxygen disconnecting-connecting device, and the pressure gauge of the pressing force measuring device determines the output pressure value of the pressure-resisting regulator. And judging whether the performance of the load-resisting pressure regulator meets the requirement or not according to the given overload value and the output pressure comparison table.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides an anti-loading pressure regulator output pressure testing arrangement which characterized in that: the device comprises a force application device and a pressure measurement device;
the force applying device (23) comprises a sleeve (1), a bracket (2), a rotating shaft (3), a shell (4), a lever (5) and a pressing block (6); the upper end of the sleeve (1) is connected with a lever (5) through a rotating shaft (3) on the bracket (2), and a shell (4) below the lever (5) is connected with a pressing block (6);
the pressure measuring device comprises a digital pressure gauge (11), a joint (12), a three-way joint (13), a connecting pipe nozzle (14) and a gas cylinder (15); the upper end of the gas cylinder (15) is connected with a three-way joint (13), the other two ends of the three-way joint (13) are respectively connected with a digital pressure gauge (11) and a pipe connecting nozzle (14) through a hose (24), and the digital pressure gauge (11) is connected with the three-way joint (13) through a joint (12);
the force applying device (23) and the pressure measuring device are packaged in the packing box (21);
the packing box (21) is divided into an upper layer and a lower layer and is provided with a preset interlayer;
the gas cylinder (15) is arranged at the lower layer of the packing box (21);
the force applying device (23), the digital pressure gauge (11) and the weight (22) are arranged on the upper layer of the packing box (21).
2. The anti-load pressure regulator output pressure testing device according to claim 1, characterized in that: the hose (24) is coiled and placed in a preset interlayer of the packing box (21).
3. The anti-load regulator output pressure testing device of claim 1, wherein: and a panel is arranged on the digital pressure gauge (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011076020.9A CN112208790B (en) | 2020-10-10 | 2020-10-10 | Output pressure testing device of load-resisting pressure regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011076020.9A CN112208790B (en) | 2020-10-10 | 2020-10-10 | Output pressure testing device of load-resisting pressure regulator |
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| Publication Number | Publication Date |
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| CN112208790A CN112208790A (en) | 2021-01-12 |
| CN112208790B true CN112208790B (en) | 2022-08-19 |
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| CN202011076020.9A Active CN112208790B (en) | 2020-10-10 | 2020-10-10 | Output pressure testing device of load-resisting pressure regulator |
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| CN210981814U (en) * | 2019-12-05 | 2020-07-10 | 江西洪都航空工业集团有限责任公司 | Anti-loading voltage regulator loading testing device |
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| FR2870821B1 (en) * | 2004-05-25 | 2007-08-17 | Airbus France Sas | AIRCRAFT COMPRISING A DEVICE FOR DETECTION AND / OR MEASUREMENT OF ATMOSPHERIC DISTURBANCES |
| CN103366614B (en) * | 2012-04-10 | 2016-02-17 | 中国人民解放军第四军医大学 | Aircrew's body positive/negative-pressure trainer |
| GB201209490D0 (en) * | 2012-05-29 | 2012-07-11 | Airbus Operations Ltd | Device and method for checking an aircraft landing gear shock absorber |
| CN103234832B (en) * | 2013-04-07 | 2015-06-24 | 中国农业大学 | Portable plastic pipe pressure endurance testing apparatus and application method thereof |
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| US10502760B2 (en) * | 2017-04-11 | 2019-12-10 | General Electric Company | Pitot-static air data test system with pilot and co-pilot verification |
| CN107255698B (en) * | 2017-06-28 | 2019-12-24 | 山东大学 | Full-automatic true triaxial tunnel and underground engineering model test system |
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2020
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204279972U (en) * | 2014-11-21 | 2015-04-22 | 中国飞行试验研究院 | A kind of aviator's life support anti-lotus subsystem testing fixture |
| CN106005476A (en) * | 2016-07-19 | 2016-10-12 | 北京中金泰达电液科技有限公司 | Grounddetector for electronic type oxygen supply anti-accelerationregulator and detection method |
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| CN210981814U (en) * | 2019-12-05 | 2020-07-10 | 江西洪都航空工业集团有限责任公司 | Anti-loading voltage regulator loading testing device |
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| CN112208790A (en) | 2021-01-12 |
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