Aviation cockpit door electromagnetic lock service life test bench

By designing the life test bench of the electromagnetic lock of the aviation cockpit door, the problem of lack of life test equipment in the existing technology is solved, the life test of the electromagnetic lock is realized, the test efficiency and accuracy are improved, and data support is provided for the development of the electromagnetic lock of the aviation cockpit door.

CN222618195UActive Publication Date: 2025-03-14WUHAN HANGDA AERO SCI & TECH DEV
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Patent Information

Application Number
CN202421285890.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-06
Publication Date
2025-03-14
Estimated Expiration
2034-06-06

AI Technical Summary

Technical Problem

The prior art lacks equipment for the life test of electromagnetic locks of aviation cockpit doors, and cannot effectively verify its reliability and stability.

Method used

A test bench for the life of electromagnetic lock of the aviation cockpit door is designed, including a frame platform, electromagnetic lock bracket, swing arm bracket, electric push rod bracket, sensor and controller. By simulating the opening and closing of the aviation cockpit door, the life test of the electromagnetic lock is automatically carried out.

Benefits of technology

The life test of the electromagnetic lock of the aviation cockpit door is realized, the test efficiency and accuracy are improved, data support and inspection are provided for its development work, and the test requirements in different environments are met.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a service life test bench for an aviation cockpit door electromagnetic lock, and relates to the technical field of aviation cockpit door electromagnetic locks. The device comprises a frame platform, an electromagnetic lock support, a swing arm support, an electric push rod support, a sensor and a controller are arranged on the frame platform, and an electromagnetic lock is installed on the electromagnetic lock support; the swing arm bracket is connected with the swing arm; a mechanical lock is arranged on the swing arm; the electromagnetic lock is matched with the mechanical lock; the electric push rod support is hinged to the electric push rod which is hinged to the swing arm. According to the utility model, the service life test of the electromagnetic lock can be automatically carried out, and whether the state of the electromagnetic lock meets requirements in the test process is recorded; the service life test efficiency and accuracy of the aviation cockpit door electromagnetic lock are effectively improved, and valuable data support and test are provided for research and optimization of the aviation cockpit door electromagnetic lock.
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Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic locks for aviation cockpit doors, and more specifically to a life test bench for electromagnetic locks for aviation cockpit doors. Background Art

[0002] The electromagnetic lock of the cockpit door is installed between the cockpit and the passenger cabin of the aircraft. It is an executive component used to open or close the cockpit door. The cockpit door is mainly used to separate the cockpit and the passenger cabin, protect the safety of the crew, and provide the pilot with an emergency evacuation passage in an emergency. The development of the electromagnetic lock of the cockpit door is of great significance to the localization of the cabin door system. It will fill the gap in related research fields in China and accelerate the process of localization of civil aviation passenger aircraft.

[0003] In addition, there is currently no equipment for life testing of electromagnetic locks for aircraft cockpit doors.

[0004] Therefore, it is necessary to develop an aviation cockpit door electromagnetic lock life test bench to verify the reliability and stability of the electromagnetic lock and provide data support for the development of the cockpit door electromagnetic lock. Utility Model Content

[0005] The purpose of the utility model is to overcome the shortcomings of the above-mentioned background technology and to provide an aviation cockpit door electromagnetic lock life test bench.

[0006] In order to achieve the above-mentioned purpose, the technical solution of the utility model is: an electromagnetic lock life test bench for an aviation cockpit door, characterized in that: it comprises a frame platform, on which an electromagnetic lock bracket, a swing arm bracket, an electric push rod bracket, a sensor and a controller are arranged, and an electromagnetic lock is installed on the electromagnetic lock bracket;

[0007] The swing arm bracket is connected to the swing arm through a hinge; a mechanical lock is provided on the swing arm; the electromagnetic lock matches the mechanical lock;

[0008] The electric push rod bracket is hinged to the electric push rod, and the electric push rod is hinged to the swing arm;

[0009] The controller is connected with the electromagnetic lock, the electric push rod and the sensor.

[0010] In the above technical solution, the sensor includes a door opening sensor and a door closing sensor.

[0011] In the above technical solution, the frame platform includes an upper platform and a lower platform, the electromagnetic lock bracket, the swing arm bracket, the electric push rod bracket, and the sensor are located on the upper platform, and the controller is located on the lower platform.

[0012] In the above technical solution, a handrail is provided at one end of the upper platform, and a plurality of universal casters with brakes are provided at the bottom of the lower platform.

[0013] In the above technical solution, the electromagnetic lock bracket, the swing arm bracket and the electric push rod bracket are all provided with U-shaped grooves.

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] 1) The utility model can truly simulate the working state of the electromagnetic lock, and through the control of the controller, realize the simulation of opening or closing of the aircraft cockpit door, as well as the locking and unlocking of the electromagnetic lock of the aircraft cockpit door; automatically perform the life test of the electromagnetic lock, and record whether the state of the electromagnetic lock meets the requirements during the test; effectively improve the efficiency and accuracy of the life test of the electromagnetic lock of the aircraft cockpit door, and provide valuable data support and verification for the research and optimization of the electromagnetic lock of the aircraft cockpit door.

[0016] 2) The electromagnetic lock bracket, swing arm bracket and electric mechanism bracket of the utility model are all provided with U-shaped grooves, which provide convenience for the adjustment of different types of electromagnetic locks in the future; the universal casters with braking function enable the stand to maintain stable support during work and enable it to move flexibly and lightly.

[0017] 3) The utility model has a simple and reliable structure, strong practicability, complete functions, and is easy to use and promote. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view of the utility model.

[0019] Figure 2 It is a top view of the utility model.

[0020] Among them, 1-frame platform, 11-upper platform, 111-handrail, 12-lower platform, 121-universal caster, 2-electromagnetic lock bracket, 3-swing arm bracket, 31-swing arm, 4-electric push rod bracket, 41-electric push rod, 5-sensor, 51-door opening sensor, 52-door closing sensor, 6-controller, 7-mechanical lock. DETAILED DESCRIPTION

[0021] The following is a detailed description of the implementation of the utility model in conjunction with the accompanying drawings, but they do not constitute a limitation of the utility model and are only used as examples. At the same time, the advantages of the utility model will become clearer and easier to understand through the description.

[0022] Referring to the attached drawings, it can be seen that: an electromagnetic lock life test bench for an aviation cockpit door, characterized in that: it comprises a frame platform 1, on which an electromagnetic lock bracket 2, a swing arm bracket 3, an electric push rod bracket 4, a sensor 5 and a controller 6 are arranged, and an electromagnetic lock is installed on the electromagnetic lock bracket 2;

[0023] The swing arm bracket 3 is connected to the swing arm 31 through a hinge; a mechanical lock 7 is provided on the swing arm 31; the electromagnetic lock matches the mechanical lock 7;

[0024] The electric push rod bracket 4 is hinged to the electric push rod 41, and the electric push rod 41 is hinged to the swing arm 31;

[0025] The controller 6 is connected to the electromagnetic lock, the electric push rod 41 , and the sensor 5 .

[0026] The sensor 5 includes a door opening sensor 51 and a door closing sensor 52 .

[0027] The frame platform 1 includes an upper platform 11 and a lower platform 12 . The electromagnetic lock bracket 2 , the swing arm bracket 3 , the electric push rod bracket 4 , and the sensor 5 are located on the upper platform 11 , and the controller 6 is located on the lower platform 12 .

[0028] A handrail 111 is disposed at one end of the upper platform 11 , and a plurality of universal casters 121 with brakes are disposed at the bottom of the lower platform 12 .

[0029] The electromagnetic lock bracket 2, the swing arm bracket 3, and the electric push rod bracket 4 are all provided with U-shaped grooves.

[0030] In actual use, the swing arm bracket 3 and the swing arm 31 are connected by hinges, bolts and nuts, so that the swing arm 31 can rotate around the swing arm bracket 3;

[0031] The electric push rod bracket 4 and the electric push rod 41 are connected by a hinge pin, a bearing, a bearing fixing frame, and a cotter pin, so that the electric push rod 41 can rotate around the electric push rod bracket 4;

[0032] The electric push rod 41 and the swing arm 31 are connected by a hinge pin, a bearing, a bearing fixing frame, and a cotter pin. When the electric push rod 41 is extended or retracted, the electric push rod 41 and the swing arm 31 can rotate relative to each other.

[0033] There are four universal casters 121 , all of which have a brake function and are respectively located at four end points of the bottom of the frame platform 1 .

[0034] The working principle of the utility model is as follows: when in use, the electromagnetic lock of the aviation cockpit door is installed on the electromagnetic lock bracket 2 and connected to the controller 6 through a connector; the controller 6 controls the electric push rod 41 to extend, the swing arm 31, the electric push rod 41 and the frame platform 1 form a triangle of variable length, the electric push rod 41 pushes the swing arm 31 to swing, and a mechanical lock 7 is provided on the swing arm 31 to realize the simulation of the closing action of the aviation cockpit door; when the swing arm 31 moves to the closing position, the swing arm 31 just triggers the closing sensor 52, the closing sensor 52 transmits a signal to the controller 6, and the controller 6 controls the electric push rod 41 to stop moving; at the same time, the controller 6 powers on the electromagnetic lock to lock it, and at the same time monitors whether the locking state of the electromagnetic lock is normal and outputs the record to the controller 6.

[0035] After a period of time, the controller 6 controls the electromagnetic lock to unlock, and then controls the electric push rod 41 to retract, driving the swing arm 31 to swing to the door opening position, and after triggering the door opening sensor 51, the door opening sensor 51 transmits a signal to the controller 6, and the controller 6 controls the electric push rod 41 to stop. The controller 6 records the number of cycles and completes a cycle.

[0036] The utility model simulates the opening and closing of the aviation cockpit door through the swing arm 31, the electric push rod 41 and the frame platform 1, completes the working cycle of the electromagnetic lock of the aviation cockpit door, has the characteristics of being light and easy to operate, and does not require the test personnel to record at all times.

[0037] The utility model can change the extension and retraction speed of the electric push rod 41 through a controller, and can change the door closing interval time or the cycle interval time, so as to more conveniently control the cycle period, improve efficiency and shorten the life test time within the tolerable range of the electromagnetic lock of the aircraft cockpit door.

[0038] The U-shaped mounting grooves of the electromagnetic lock bracket 2, the swing arm bracket 3 and the electric stacking rod bracket 4 of the utility model can adjust the distance between the electromagnetic lock and the mechanical lock 7, and test whether the locking and unlocking of the electromagnetic lock are normal under the extreme relative positions.

[0039] The armrests 111 and the universal casters 121 make the utility model convenient to move and have good support, so as to meet the test requirements in different environments.

[0040] Other parts not described belong to the prior art.

Claims

1. An aircraft cockpit door electromagnetic lock life test bench, characterized by: The invention comprises a frame platform (1), wherein an electromagnetic lock bracket (2), a swing arm bracket (3), an electric push rod bracket (4), a sensor (5) and a controller (6) are arranged on the frame platform (1), and an electromagnetic lock is installed on the electromagnetic lock bracket (2); The swing arm bracket (3) is connected to the swing arm (31) via a hinge; a mechanical lock (7) is provided on the swing arm (31); the electromagnetic lock matches the mechanical lock (7); The electric push rod bracket (4) is hinged to the electric push rod (41), and the electric push rod (41) is hinged to the swing arm (31); The controller (6) is connected to the electromagnetic lock, the electric push rod (41) and the sensor (5).

2. The electromagnetic lock life test bench for an aviation cockpit door according to claim 1, characterized in that: The sensor (5) comprises a door opening sensor (51) and a door closing sensor (52).

3. The electromagnetic lock life test bench for an aviation cockpit door according to claim 1, characterized in that: The frame platform (1) comprises an upper platform (11) and a lower platform (12); the electromagnetic lock bracket (2), the swing arm bracket (3), the electric push rod bracket (4), and the sensor (5) are located on the upper platform (11); and the controller (6) is located on the lower platform (12).

4. The electromagnetic lock life test bench for an aviation cockpit door according to claim 3, characterized in that: A handrail (111) is provided at one end of the upper platform (11), and a plurality of universal casters (121) with brakes are provided at the bottom of the lower platform (12).

5. The electromagnetic lock life test bench for an aviation cockpit door according to claim 1, characterized in that: The electromagnetic lock bracket (2), the swing arm bracket (3) and the electric push rod bracket (4) are all provided with U-shaped grooves.