CN101504332B - Simulation experiment apparatus for emergency opening of service cabin door in passenger plane test flight - Google Patents
Simulation experiment apparatus for emergency opening of service cabin door in passenger plane test flight Download PDFInfo
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- CN101504332B CN101504332B CN2009100250701A CN200910025070A CN101504332B CN 101504332 B CN101504332 B CN 101504332B CN 2009100250701 A CN2009100250701 A CN 2009100250701A CN 200910025070 A CN200910025070 A CN 200910025070A CN 101504332 B CN101504332 B CN 101504332B
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- hatchdoor
- doorframe
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Abstract
The invention discloses a simulation test device for emergency opening of a service hatchdoor in an aerobus flight test. The device comprises an enclosed cabin, a service hatchdoor test piece and a door frame test piece, wherein the lateral surface of the enclosed cabin is provided with an opening; the door frame test piece is assembled in the opening; the service hatchdoor test piece are matched with the door frame test piece; the enclosed cabin is provided with two pressure inlets; the pressure inlets are connected with a pressure regulating device and a pressure measuring device; the door frame test piece comprises a door frame bottom board and a groove; the groove is arranged on the front side of the door frame bottom board, and is used for mounting a power unit; the hatchdoor test piece is provided with a connecting piece; and the device is tightly combined by a sealing gasket to form an enclosed environment. The test device can economically and reliably simulate the stress state of a service hatchdoor, installation and working state of the power unit which horizontally pushes the service hatchdoor, motion posture of the service hatchdoor inwards the cabin and the like. The simulation test device provides solid test foundation for designing, manufacturing and installing the power unit which horizontally pushes the service hatchdoor.
Description
Technical field
The present invention relates to the simulation test device of emergency opening of service cabin door in a kind of passenger plane test flight.
Background technology
According to the 15 of CCAR-21R2 " civil aviation product and parts qualified authorization regulation " " (four) are except that soarer or manned balloon; the applicant has all taked enough measures in the time of should proving each flight test, so that the group membership that takes a flight test can emergency escape and used parachute; ... ".For the group membership's that guarantees to take a flight test in the big passenger plane test flight process safety, need in the aircraft of taking a flight test, assemble the aerial emergency unlocking system of service cabin door.Should " system " adopt accurate blasting technique, can in time move according to captain's instruction when needed, realize the constraint release between emergency pressure relief, service door and the doorframe in the aircraft passenger compartment, and to interior of aircraft generation displacement, hew out the clog-free passage of disembarking, thereby ensure that the group membership that takes a flight test in time withdraws aircraft.
Between service cabin door and the doorframe connect constraint release after, because the existence of aerodynamic loading, for making service cabin door produce translation motion to interior of aircraft, must utilize the detonation propulsion system to produce thrust, to overcome the resistance that acts on the about 600kg on the service cabin door inside surface, this resistance will weaken rapidly with service cabin door translation motion process.In order to develop the detonation propulsion system, must carry out a large amount of service cabin doors and promote test.But this test can not be carried out on passenger plane, does not also generally allow to carry out explosibility test in the wind-tunnel, for this reason, and must a kind of simulation test device of invention.
Summary of the invention
Goal of the invention: at above-mentioned the deficiencies in the prior art, the purpose of this invention is to provide the simulation test device of emergency opening of service cabin door in a kind of passenger plane test flight, to satisfy the needs that carry out a large amount of emergency opening of service cabin door simulation tests.
Technical scheme: in order to realize the foregoing invention purpose, the technical solution used in the present invention is:
The simulation test device of emergency opening of service cabin door in a kind of passenger plane test flight, this test unit comprise closed cabin, service cabin door test specimen and doorframe test specimen; On a side of this closed cabin, be provided with opening, in this opening, be equipped with the doorframe test specimen; The installation that matches of described service cabin door test specimen and doorframe test specimen.
On described closed cabin, be provided with pressure inlet; This pressure inlet is 2, is connected with regulator and pressure tester on pressure inlet.Described regulator can be used to regulate the equipment of pressure for valve and other, and described pressure tester can be instrument and equipments such as tensimeter.
In described closed cabin, be provided with stiffening rib.
Be provided with stiffening rib on described hatch door test specimen outer surface, inner surface is provided with protruding part.
Described doorframe test specimen comprises doorframe base plate and groove, and groove is arranged on the front of doorframe base plate.
In described groove, be provided with propulsion system.Doorframe test specimen and service cabin door test specimen match the space that the back forms are installed, and are complementary with the space that these propulsion system are set.
Described hatch door test specimen is provided with web member, connects the external equipment that is used for detection effect actual pressure on service cabin door on this web member, as tautness meter.
Described simulation test device seals combination with sealing gasket, forms a closed environment.
Closed cabin is arranged on the special stand that is fixed on ground, adopts appropriate seal approach, makes service cabin door test specimen and doorframe test specimen with after closed cabin combines, and forms a closed environment.Regulator that connects as one with closed cabin and pressure tester are used to regulate and test the pressure in the closed cabin.When regulating pressure, adopt the actual force on the tautness meter testing service hatch door test specimen, satisfy requirement of experiment with the tautness meter indicating value and be as the criterion.
The doorframe test specimen is reduced to straight mount structure by the curved surface prototype, constitute by doorframe base plate and groove, its structural dimensions, overall dimension, periphery equate with the prototype doorframe with the basic size that the service cabin door test specimen cooperates, groove is located at the front of doorframe base plate, with protruding part on the service cabin door test specimen match be provided with after, formed space equates with prototype, with the installment state of simulation horizontal sliding hatch door propulsion system.
Correspondingly, the service cabin door test specimen also is reduced to planar structure, structural dimensions such as the length and width of its framework are all consistent with the prototype door with quality, shop front covering combines with frame seal, so that the hatch door test specimen is when being installed on the doorframe, can seal closed cabin reliably, and make after the suitable pressure regulation of closed cabin, the pneumatic load when suffered pressure is with the aircraft airflight on the shop front on the service cabin door equates.
The periphery of the opening of a side of doorframe and closed cabin is connected; The service cabin door test specimen is identical with prototype with the space size that propulsion system are set that doorframe test specimen combination back forms.
Make service cabin door horizontal sliding propulsion system simulator, this simulator is mainly simulated following content: the kind of the energetic material of generation power and performance, the architectural feature of propulsion system, propulsion system set-up mode.
In the test, utilize movement locus and the athletic posture etc. of observation instrument such as high-speed photography record service cabin door under the effect of propulsion system simulator.
Beneficial effect: the simulation test device of passenger plane emergency opening of service cabin door of the present invention, can successful analog service hatch door stress, the content of the propulsion system of horizontal sliding service cabin door and service cabin door aspect such as athletic posture in the cabin; For design, manufacturing and the installation of service cabin door horizontal sliding propulsion system provides solid experimental basis.It is a kind of simulation test device of economic and reliable.
Description of drawings
Fig. 1 is a closed cabin structural representation of the present invention, and wherein A is a front view, and B is a left view, and C is a vertical view.
Fig. 2 is a hatch door test specimen structural representation of the present invention, and wherein A is a front view, and B is a left view, and C is a vertical view.
Fig. 3 is a doorframe test specimen structural representation of the present invention, and wherein A is a front view, and B is a left view, and C is a vertical view.
Embodiment
Below in conjunction with accompanying drawing the present invention is done further explanation.
As shown in Figure 1, be closed cabin of the present invention, it is of a size of 1800 * 1500 * 1000m
3In closed cabin 1, be provided with stiffening rib 7; Be provided with pressure inlet 4 on closed cabin 1, described pressure inlet 4 is 2, is connected with regulator and pressure tester on described pressure inlet 4.On closed cabin 1, be provided with opening, in this opening, be equipped with doorframe test specimen 3, installations that match of hatch door test specimen 2 and doorframe test specimen 3, between it with the sealing gasket sealing, to guarantee closed system of closed cabin formation;
As shown in Figure 2, be hatch door test specimen 2 of the present invention.The lateral surface of hatch door test specimen 2 is provided with stiffening rib 21, to strengthen the intensity on hatch door limit, can have 3～5; The medial surface of hatch door test specimen 2 is provided with protruding part 22, is used for and doorframe test specimen 3 installation that matches; On described hatch door test specimen 2, be provided with web member.
As shown in Figure 3.Be doorframe test specimen 3 of the present invention, this doorframe test specimen 3 comprises doorframe base plate 31 and groove 32, and groove 32 is arranged on the front of doorframe base plate 31, is used for placing the propulsion system that push, and groove 32 is wide to be 25mm, is 55mm deeply.
Main test procedure comprises:
(1) precondition and requirement:
The service cabin door of emergency opening and passenger door are symmetrically distributed in the forebody both sides, and its planar dimension is 1.25 * 0.7m
2, quality is 32.5kg;
In its cabin internal pressure of aircraft of meters altitude flight through the unloading back with atmospheric pressure is in a basic balance out of my cabin;
Acting on the inside and outside surperficial pressure reduction of service cabin door by aircraft flight caused is 0.006～0.007MPa, and the pressure that this pressure reduction produces is about 6000N, service cabin door is close to be cemented in the doorframe on the fuselage;
Connect constraint between service cabin door and the doorframe, promptly hinge and snap close are removed;
Requirement is provided with detonation type propulsion system in the airtight gap of service cabin door and doorframe, with service cabin door parallel promotion 1～1.5m in the cabin;
Can not destroy airframe structure and injure the staff on board in the detonation type propulsion system course of work, personnel are about 2m apart from the bee-line of detonation type propulsion system.
(2) test procedure:
By pressure adjustment assembly the pressure in the closed cabin is adjusted to about 0.93 atmospheric pressure, adopts tautness meter to test the pressure that acts on the test specimen simultaneously;
When the indicating value of tautness meter is 6000N, start propulsion system, promote the service cabin door motion;
Utilize the movement locus of observation instrument such as high-speed photography record service cabin doors and athletic posture etc.
Claims (8)
1. the simulation test device of emergency opening of service cabin door in the passenger plane test flight, it is characterized in that: this test unit comprises closed cabin (1), service cabin door test specimen (2) and doorframe test specimen (3); On a side of described closed cabin, be provided with opening, in this opening, be equipped with doorframe test specimen (3); The installation that matches of described service cabin door test specimen (2) and doorframe test specimen (3); Described simulation test device seals combination with sealing gasket, forms a closed environment.
2. the simulation test device of emergency opening of service cabin door in the passenger plane test flight according to claim 1 is characterized in that: be provided with pressure inlet (4) on described closed cabin (1).
3. the simulation test device of emergency opening of service cabin door in the passenger plane test flight according to claim 2 is characterized in that: described pressure inlet (4) is 2, is connected with regulator and pressure tester on described pressure inlet (4).
4. the simulation test device of emergency opening of service cabin door in the passenger plane test flight according to claim 1 is characterized in that: be provided with stiffening rib (7) in described closed cabin (1).
5. the simulation test device of emergency opening of service cabin door in the passenger plane test flight according to claim 1 is characterized in that: be provided with stiffening rib (21) on described hatch door test specimen (2) outer surface, inner surface is provided with protruding part (22).
6. the simulation test device of emergency opening of service cabin door in the passenger plane test flight according to claim 1 is characterized in that: described doorframe test specimen (3) comprises doorframe base plate (31) and groove (32), and groove (32) is located at the front of doorframe base plate (31).
7. the simulation test device of emergency opening of service cabin door in the passenger plane test flight according to claim 6 is characterized in that: be provided with propulsion system in described groove (32).
8. the simulation test device of emergency opening of service cabin door in the passenger plane test flight according to claim 1 is characterized in that: be provided with web member on described hatch door test specimen (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100250701A CN101504332B (en) | 2009-02-16 | 2009-02-16 | Simulation experiment apparatus for emergency opening of service cabin door in passenger plane test flight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100250701A CN101504332B (en) | 2009-02-16 | 2009-02-16 | Simulation experiment apparatus for emergency opening of service cabin door in passenger plane test flight |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101504332A CN101504332A (en) | 2009-08-12 |
| CN101504332B true CN101504332B (en) | 2010-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100250701A Expired - Fee Related CN101504332B (en) | 2009-02-16 | 2009-02-16 | Simulation experiment apparatus for emergency opening of service cabin door in passenger plane test flight |
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| CN (1) | CN101504332B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102530265B (en) * | 2012-02-15 | 2013-12-04 | 西北工业大学 | Device for testing reliability of cabin door lock for aircrafts |
| CN104019983B (en) * | 2014-06-23 | 2017-01-04 | 西北工业大学 | A kind of device for testing reliability of cabin door lock for aircrafts |
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2009
- 2009-02-16 CN CN2009100250701A patent/CN101504332B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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