Aircraft EWIS assembly installation auxiliary device

By designing an aircraft EWIS component installation auxiliary device including cabinet base plate, main body side wall plate, electrical connector and other components, the cumbersome problem of the installation process of EWIS components is solved, precise crimping and termination are achieved, and the stable operation of the system is ensured.

CN222934094UActive Publication Date: 2025-06-03AVIC GENERAL HUANAN AIRCRAFT IND CO LTD
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Patent Information

Application Number
CN202422139393.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-31
Publication Date
2025-06-03
Estimated Expiration
2034-08-31

AI Technical Summary

Technical Problem

Due to too many EWIS components, the electrical components required for EWIS components in different parts are different, resulting in cumbersome installation process and complicated installation steps.

Method used

An aircraft EWIS component installation auxiliary device is designed, including cabinet base plate, main body side wall plate, main body cabinet roof plate, electrical connector base, electrical connector logo, electrical terminal logo and terminal insulated bakery base and other components. These components are used to achieve precise crimping and termination, simplifying the installation process.

Benefits of technology

This device simplifies the installation process of EWIS components, ensures the connection between the various components of the electrical interconnected work equipment, and ensures the stable operation of the entire system.

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Abstract

The utility model discloses an airplane EWIS assembly installation auxiliary device, and relates to the field of airplane production and assembly. The airplane EWIS assembly installation auxiliary device comprises a cabinet body bottom plate, the top end of the cabinet body bottom plate is fixedly connected with a left side main body side wall plate and a right side main body side wall plate, the left side main body side wall plate is provided with an electric connector base and fixedly connected with an electric connector identifier, the top of the left side main body side wall plate is provided with a main body force-bearing handrail, and the right side main body side wall plate is provided with a main body force-bearing handrail. A limiting sliding block is arranged at the bottom end of the left body side wall plate. According to the airplane EWIS assembly installation auxiliary device, in the EWIS electrical interconnection installation stage, a main body cabinet piece is installed in place through an installation handrail, a supporting cabinet body guide rail sliding block is positioned, a guide rail sliding block installation limiting stud is locked to prevent displacement, and when an EWIS assembly of the section is to be installed, through an electrical identification code, the installation of the EWIS assembly is completed. The electric connector, the power supply terminal direction and the like achieve the purposes of accurate crimping and terminating EWIS electrical interconnection.
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Description

Technical Field

[0001] The utility model relates to the technical field of aircraft production and assembly, in particular to an auxiliary device for installing an aircraft EWIS component. Background Technique

[0002] With the continuous development of aviation technology, the complexity and integration of aircraft electrical systems are increasing day by day. As a bridge for signal and power transmission between various functional systems of an aircraft, the safety and reliability of the EWIS electrical interconnection system are directly related to the overall performance and flight safety of the aircraft. In order to completely illustrate the safety issues related to the wiring system, the EWIS electrical interconnection system requires not only clear wiring itself, but also clear components and devices. In addition, the identification of various components and devices of wires is also the key to correct connection and maintenance. The auxiliary device for installing EWIS components is also an important device for ensuring safety and reliability during the installation of the EWIS electrical interconnection.

[0003] Although the auxiliary device for installing EWIS components can assist the system to achieve safe and reliable installation during the EWIS electrical interconnection or system assembly process, due to too many EWIS components and different electrical components required for EWIS components in different parts, the installation process is cumbersome and the installation steps are complex. Therefore, an auxiliary device for installing aircraft EWIS components is provided to solve the above problems. Content of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides an auxiliary device for installing an aircraft EWIS component, which solves the problems of cumbersome installation process and complex installation steps caused by too many EWIS components and different electrical components required for EWIS components in different parts.

[0005] To achieve the above objectives, the utility model is realized through the following technical solutions: an auxiliary device for installing an aircraft EWIS component, including a cabinet bottom plate, a left main body side wall plate and a right main body side wall plate are fixedly connected to the top end of the cabinet bottom plate, a main cabinet top plate is fixedly connected to the top ends of the left main body side wall plate and the right main body side wall plate, an electrical connector base and an electrical connector identifier are fixedly arranged on the left main body side wall plate, an electrical terminal identifier and a terminal insulating bakelite base are fixedly connected to the left main body side wall plate and the main cabinet top plate, the electrical connector identifier corresponds to the electrical connector base one by one, the electrical connector identifier is used to distinguish the electrical connector base, two groups of electrical terminal identifiers are provided, the terminal insulating bakelite base corresponds to the electrical terminal identifier one by one, a main body bearing handrail is arranged on the main cabinet top plate, the main body bearing handrail is used to push the left main body side wall plate to move, and a limit slider is arranged at the bottom end of the cabinet bottom plate, and the limit slider is used for positioning and fixing when the left main body side wall plate moves.

[0006] Preferably, a main cabinet top plate is fixedly connected to the tops of the left and right main body side wall plates, and a cabinet support pull rod is fixedly connected between the left and right main body side wall plates.

[0007] Preferably, an electrical connector flange mounting screw is fixedly connected to the surface of the electrical connector base.

[0008] Preferably, a detachable load-bearing handrail base is fixedly connected to the top of the main cabinet top plate, and the main load-bearing handrail is fixedly connected to the top of the detachable load-bearing handrail base.

[0009] Preferably, a main cabinet iron patch is fixedly connected to the bottom of the left main body side wall plate.

[0010] Preferably, a main cabinet support is fixedly connected to the bottom of the cabinet bottom plate, and the limit slider is fixedly connected to the bottom end of the main cabinet support.

[0011] Preferably, a component stud a and a component stud b are fixedly connected to the terminal insulating bakelite base, and the component stud a and the component stud b respectively correspond to two groups of electrical terminal identifiers.

[0012] The utility model discloses an installation auxiliary device for an aircraft EWIS component, and the beneficial effects thereof are as follows:

[0013] During the EWIS electrical interconnection installation stage of the whole machine, with the help of the installation auxiliary device, the main cabinet dummy is installed in place by using the installation handrail, the support cabinet guide rail slider is positioned, and the installation guide rail slider limit stud is locked to prevent displacement. When installing the EWIS component, this device simplifies the assembly process. When installing EWIS in different sections, through the electrical connector identifier, the electrical connector fixed to the electrical connector base, the electrical terminal identifier, etc., the purpose of accurately crimping and terminating the EWIS electrical interconnection is achieved. It ensures the stable and reliable connection between the components of the electrical interconnection tooling, thus guaranteeing the stable operation of the entire system. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0015] Figure 1 It is a schematic side view structure diagram of the present utility model;

[0016] Figure 2 It is a schematic top view structure diagram of the present utility model;

[0017] Figure 3This is the front view structural schematic diagram of the present utility model.

[0018] In the figure: 110, main body bearing handrail; 111, detachable bearing handrail base; 112, main cabinet top plate; 113, cabinet support pull rod; 114, main cabinet support; 115, limit slider; 116, cabinet bottom plate; 117, left main body side wall plate; 118, right main body side wall plate; 119, main cabinet iron sheet; 120, component stud a; 121, terminal insulating bakelite base; 122, electrical terminal identification; 123, component stud b; 124, electrical connector flange mounting screw; 125, electrical connector base; 126, electrical connector identification. Specific embodiments

[0019] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0020] The embodiment of the present application provides an auxiliary device for installing aircraft EWIS components, which solves the problems of cumbersome installation process and complex installation steps caused by excessive EWIS components and different electrical components required for EWIS components in different parts. It realizes the purpose of accurate crimping and termination of EWIS electrical interconnection by means of the electrical connector fixedly connected to the electrical connector identification 126 and the electrical connector base 125, the electrical terminal identification 122, etc. when installing EWIS in different sections.

[0021] To better understand the above technical solutions, the above technical solutions will be described in detail below in conjunction with the specification drawings and specific embodiments.

[0022] The embodiment of the present utility model discloses an auxiliary device for installing aircraft EWIS components.

[0023] 2. According to the appendix Figure 1As shown in FIG. -3, it includes a cabinet bottom plate 116. The top end of the cabinet bottom plate 116 is fixedly connected to a left main side wall plate 117 and a right main side wall plate 118. The top ends of the left main side wall plate 117 and the right main side wall plate 118 are fixedly connected to a main cabinet top plate 112. An electrical connector base 125 and an electrical connector label 126 are fixedly arranged on the left main side wall plate 117. An electrical terminal label 122 and a terminal insulating bakelite base 121 are fixedly connected to the left main side wall plate 117 and the main cabinet top plate 112. The electrical connector label 126 corresponds to the electrical connector base 125 one by one. The electrical connector label 126 is used to distinguish the electrical connector base 125. There are two groups of electrical terminal labels 122. The terminal insulating bakelite base 121 corresponds to the electrical terminal label 122 one by one. A main load-bearing handrail 110 is arranged on the main cabinet top plate 112. The main load-bearing handrail 110 is used to push the left main side wall plate 117 to move. A limit slider 115 is arranged at the bottom end of the cabinet bottom plate 116. The limit slider 115 is used for positioning and fixing when the left main side wall plate 117 moves. The cabinet bottom plate 116, the left main side wall plate 117 and the right main side wall plate 118 serve as the frame of the installation auxiliary device for the aircraft EWIS assembly. The electrical connector label 126 fixedly connected to the left main side wall plate 117 is the base of the electrical connector. When installing other EWIS components, the electrical connector is aligned with the electrical connector base 125 according to the electrical interface. After docking the electrical connector label 126 in the 12 o'clock direction of the main key slot, the pre-laid EWIS components are installed and fixed. Electrical connectors of different models can be plugged in to install different EWIS electrical components. At the same time, the electrical connector label 126 is fixedly bonded beside the corresponding electrical connector label 126, which is convenient for installation. After the terminal insulating bakelite base 121 is fixedly installed, the electrical terminal labels 122 are sequentially aligned and bonded beside the terminal insulating bakelite base 121, which is also convenient for installation and identification.

[0024] The top ends of the left main side wall plate 117 and the right main side wall plate 118 are fixedly connected to a main cabinet top plate 112. A cabinet support pull rod 113 is fixedly connected between the left main side wall plate 117 and the right main side wall plate 118. The main cabinet top plate 112 fixes the left main side wall plate 117 and the right main side wall plate 118, and the middle cabinet support pull rod 113 provides support force for the left main side wall plate 117 and the right main side wall plate 118.

[0025] An electrical connector flange mounting screw 124 is fixedly connected to the surface of the electrical connector base 125. The electrical connector flange mounting screw 124 is used to fix the electrical connector plugged on the electrical connector base 125, which is convenient for disassembly and replacement and is firm and reliable.

[0026] A detachable load-bearing armrest base 111 is fixedly connected to the top end of the main cabinet top plate 112, and the main load-bearing armrest 110 is fixedly connected to the top end of the detachable load-bearing armrest base 111. The main load-bearing armrest 110 is fixedly connected to the main cabinet top plate 112 through the detachable load-bearing armrest base 111, making it easier to move the aircraft EWIS component installation auxiliary device.

[0027] A main cabinet iron patch 119 is fixedly connected to the bottom of the left main cabinet side wall plate 117. During use, the main cabinet iron patch 119 can conduct the static electricity of the main cabinet, enhancing the safety of the aircraft EWIS component installation auxiliary device.

[0028] A main cabinet support 114 is fixedly connected to the bottom of the cabinet bottom plate 116, and a limit slider 115 is fixedly connected to the bottom end of the main cabinet support 114. The limit slider 115 and the main cabinet support 114 fixedly support the aircraft EWIS component installation auxiliary device.

[0029] Component stud a 120 and component stud b 123 are fixedly connected to the terminal insulating bakelite base 121. Component stud a 120 and component stud b 123 respectively correspond to two groups of electrical terminal markings 122. Component stud a 120 is a 20# EWIS type component stud, and component stud b 123 is a 16# EWIS type component stud. The 20# EWIS type component stud and the 16# EWIS type component stud respectively correspond to two groups of electrical terminal markings 122 for easy identification during assembly.

[0030] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. An aircraft EWIS assembly installation auxiliary device, comprising a cabinet bottom plate (116), wherein the top of the cabinet bottom plate (116) is fixedly connected with a left main body side wall plate (117) and a right main body side wall plate (118), characterized in that: The top ends of the left main body side wall plate (117) and the right main body side wall plate (118) are fixedly connected to the main body cabinet top plate (112); an electric connector base (125) and an electric connector mark (126) are fixedly arranged on the left main body side wall plate (117); an electrical terminal mark (122) and a terminal insulating bakelite base (121) are fixedly connected to the left main body side wall plate (117) and the main body cabinet top plate (112); The electrical connector identifier (126) corresponds to the electrical connector base (125) in a one-to-one manner, and the electrical connector identifier (126) is used to distinguish the electrical connector base (125). Two groups of electrical terminal identifiers (122) are provided, and the terminal insulating bakelite base (121) corresponds to the electrical terminal identifier (122) in a one-to-one manner; A main body load-bearing handrail (110) is provided on the main body cabinet top plate (112), and the main body load-bearing handrail (110) is used to push the left main body side wall plate (117) to move; A limit slider (115) is provided at the bottom end of the cabinet bottom plate (116), and the limit slider (115) is used for positioning and fixing the left main body side wall plate (117) when it moves.

2. The aircraft EWIS component installation auxiliary device according to claim 1, characterized in that: A cabinet support rod (113) is fixedly connected between the left main body side wall plate (117) and the right main body side wall plate (118).

3. The aircraft EWIS component installation auxiliary device according to claim 2, characterized in that: The surface of the electric connector base (125) is fixedly connected with an electric connector flange mounting screw (124).

4. The aircraft EWIS component installation auxiliary device according to claim 3, characterized in that: A detachable load-bearing handrail base (111) is fixedly connected to the top of the main cabinet top plate (112), and the main body load-bearing handrail (110) is fixedly connected to the top of the detachable load-bearing handrail base (111).

5. The aircraft EWIS component installation auxiliary device according to claim 4, characterized in that: The bottom of the left main body side wall plate (117) is fixedly connected to a main cabinet grounding plate (119).

6. The aircraft EWIS component installation auxiliary device according to claim 5, characterized in that: The bottom of the cabinet bottom plate (116) is fixedly connected to a main cabinet support (114), and the limiting sliding block (115) is fixedly connected to the bottom end of the main cabinet support (114).

7. The aircraft EWIS component installation auxiliary device according to claim 6, characterized in that: The terminal insulating bakelite base (121) is fixedly connected with a component stud a (120) and a component stud b (123), and the component stud a (120) and the component stud b (123) correspond to two groups of electrical terminal identification marks (122) respectively.