CN217240183U

CN217240183U - Many high-power pencil keep apart fixing device

Info

Publication number: CN217240183U
Application number: CN202123395016.1U
Authority: CN
Inventors: 周艳姣; 党状丽; 尹梅莉
Original assignee: AVIC First Aircraft Institute
Current assignee: AVIC First Aircraft Institute
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-08-19
Anticipated expiration: 2031-12-30

Abstract

The application belongs to the field of airborne communication design, and particularly relates to a fixing device for isolating a plurality of high-power wire harnesses. The device includes support (1), block rubber (2) and reinforcing groove (3), support (1) is fixed on organism structure, block rubber (2) include a plurality of sheets of rubber, and a plurality of sheets of rubber are together to concatenate together through the screw, and the butt joint part of each sheet of rubber has a plurality of semicircle orifices of arranging in parallel, forms the through-hole that is used for power pencil to pass when two adjacent sheets of rubber stack together, through-hole quantity is no less than 10, and is a plurality of one of the lowermost end in the sheet of rubber passes through screw connection support (1), it is a plurality of one of the uppermost end in the sheet of rubber passes through screw connection reinforcing groove (3). The design of the support not only meets the requirement of the system on the isolation and heat dissipation of the wire harness, but also meets the requirement of the airplane on space.

Description

Many high-power pencil keep apart fixing device

Technical Field

The application belongs to the field of airborne communication design, and particularly relates to a fixing device for isolating a plurality of high-power wire harnesses.

Background

The large-power single wire harness has the characteristics of large diameter, heavy weight, large heat productivity and the like, so that the isolation design is required when a plurality of wire harnesses on the machine are installed and laid together. The existing airplane has various isolation fixing supports for three or four wire harnesses, but the support for isolating and fixing 18 wire harnesses is few and almost none. However, if 18 clamps are used to fix the wiring harness alone or 4-6 clamps are used to fix the wiring harness together, 3 to 5 brackets are used, and the number of the brackets are fixed at the basically same position on the airplane, the airplane is required to have enough space to meet the requirement, and if the clamps are used to fix the wiring harness, although the requirement for occupying the space on the airplane can be met, the system heat dissipation requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the application provides a fixing device is kept apart to many high-power pencil, including support, block rubber and reinforcing groove, the support is fixed on organism structure, the block rubber includes a plurality of sheets of rubber, and a plurality of sheets of rubber are together to concatenate together through the screw, the butt joint part of each sheet of rubber has a plurality of semicircle orifices of arranging in parallel, forms the through-hole that is used for power pencil to pass when two adjacent sheets of rubber stack together, through-hole quantity is no less than 10, and is a plurality of one of the lowermost end in the sheet of rubber passes through screw connection the support, it is a plurality of one of the uppermost end in the sheet of rubber passes through screw connection the reinforcing groove.

Preferably, the rubber block includes first sheet rubber, second sheet rubber and third sheet rubber, and first sheet rubber bottom has a N semicircular hole, and a N semicircular hole has all been opened to second sheet rubber top and bottom, and third sheet rubber top has a N semicircular hole, and the semicircular hole on first sheet rubber bottom and the semicircular hole butt joint on second sheet rubber top form a N through-hole, and the semicircular hole on second sheet rubber bottom and the semicircular hole butt joint on third sheet rubber top form a N through-hole.

Preferably, N is 9.

Preferably, the number of the screws is at least 3, the screws are uniformly distributed along the length direction of the rubber sheet, and any screw penetrates through the support, the rubber block and the reinforcing groove.

Preferably, the rubber block has through holes for the screws to pass through, and a bushing is arranged in each through hole.

Preferably, the reinforcing groove comprises a bottom plate and clamping edges vertically arranged on two sides of the bottom plate, and the clamping edges contact the side walls of the rubber block when the bottom plate is pressed on the top end of the rubber block.

Preferably, the reinforcement groove is made of a metal material.

Preferably, the bracket is fixed to the aircraft airframe structure by a plurality of threaded holes in the side wall and mating screws.

The design of the support not only meets the requirement of the system on the isolation and heat dissipation of the wire harness, but also meets the requirement of the airplane on space.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of the multiple high-power harness isolation fixing device of the present application.

FIG. 2 is a schematic view of the embodiment of FIG. 1 of the present application showing the rubber blocks separated from the reinforcing grooves.

Wherein, 1-bracket, 2-rubber block, 21-first rubber sheet, 22-second rubber sheet, 23-third rubber sheet, 3-reinforcing groove, 4-lining.

Detailed Description

In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the accompanying drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all embodiments of the present application. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application, and should not be construed as limiting the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application. Embodiments of the present application will be described in detail below with reference to the drawings.

The application provides a fixing device is kept apart to many high-power pencil mainly includes support 1, block rubber 2 and reinforcing groove 3, support 1 is fixed at the organism structurally, block rubber 2 includes a plurality of sheets of rubber, and a plurality of sheets of rubber are together to concatenate together through the screw, and the butt joint part of each sheet of rubber has a plurality of semicircle orifices of arranging in parallel, forms the through-hole that is used for power pencil to pass when two adjacent sheets of rubber superpose together, through-hole quantity is no less than 10, and is a plurality of one of the lowermost in the sheet of rubber passes through screw connection support 1, a plurality of one of the top in the sheet of rubber passes through screw connection reinforcing groove 3.

This application reinforcing groove is placed on the rubber block of the top, then places the rubber block of the bottom on the support, and the pencil is placed in the semicircle orifice on the rubber block, places middle part's rubber block, pencil, rubber block of the top, fixes with the bolt at last.

In some optional embodiments, the rubber block 2 includes a first rubber sheet 21, a second rubber sheet 22 and a third rubber sheet 23, the bottom end of the first rubber sheet 21 has N semicircular holes, the top end and the bottom end of the second rubber sheet 22 are both opened with N semicircular holes, the top end of the third rubber sheet 23 has N semicircular holes, the semicircular hole at the bottom end of the first rubber sheet 21 is in butt joint with the semicircular hole at the top end of the second rubber sheet 22 to form N through holes, and the semicircular hole at the bottom end of the second rubber sheet 22 is in butt joint with the semicircular hole at the top end of the third rubber sheet 23 to form N through holes.

In this embodiment, the bracket is fixed to the structure and then fixed to the bracket by bolts through the reinforcing groove and three mounting holes in the rubber block, and the wire harness is clamped in the wire harness passage hole formed by the three rubber blocks. The reinforcing groove is made of metal materials, the strength of the rubber block is enhanced, the rubber block is formed by three splices, and the size of a spliced hole is matched with the thickness of a wire harness.

In some alternative embodiments, N is 9, so that 18 through holes are formed in total, and the isolation and heat dissipation can be performed on 18 high-power wiring harnesses commonly used on an aircraft.

In some optional embodiments, the number of the screws is at least 3, the screws are uniformly distributed along the length direction of the rubber sheet, and any screw penetrates through the bracket 1, the rubber block 2 and the reinforcing groove 3.

In some alternative embodiments, the rubber block 2 has through holes for the screws to pass through, each through hole having a bushing 4 disposed therein. The bush material is metal material, and length designs according to the block rubber thickness, should be slightly littleer than its thickness.

In the embodiment, because the rubber material is soft, the uneven atress easily leads to the rubber block extrusion during bolt installation to draw the rubber block to warp, consequently increase the bush in the mounting hole inside. In the embodiment shown in fig. 1 and 2, there is one bushing for each mounting hole in the rubber block, and the product has 9 bushings.

In some alternative embodiments, the reinforcing groove 3 comprises a bottom plate and vertically arranged clamping edges on two sides of the bottom plate, and the clamping edges contact the side walls of the rubber block when the bottom plate is pressed on the top end of the rubber block 2. The utility model provides a strengthening groove is the fillet structure, adopts metal material to make, and length and width design according to the rubber block size. The rubber block plays the isolation to the pencil, and the size in hole designs according to the pencil diameter, and the interval size in hole designs according to quick-witted actual space, and thickness can design with reference to standard clamp width.

In some alternative embodiments, the bracket 1 is fixed to the aircraft airframe structure by a plurality of screw holes and adapted screws in the side walls.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a many high-power pencil keep apart fixing device, characterized in that, includes support (1), block rubber (2) and reinforcement groove (3), support (1) is fixed on organism structure, block rubber (2) include a plurality of sheets rubber, and a plurality of sheets rubber are together, and concatenate together through the screw, and the butt joint part of each sheet rubber has a plurality of semicircle orifices of arranging in parallel, forms the through-hole that is used for power pencil to pass when two adjacent sheets rubber stack together, through-hole quantity is no less than 10, and is a plurality of one of the lowermost in the sheet rubber passes through screw connection support (1), and is a plurality of one of the uppermost in the sheet rubber passes through screw connection reinforcement groove (3).

2. The isolating and fixing device for the plurality of high-power wire harnesses as claimed in claim 1, wherein the rubber block (2) comprises a first rubber sheet (21), a second rubber sheet (22) and a third rubber sheet (23), the bottom end of the first rubber sheet (21) is provided with N semicircular holes, the top end and the bottom end of the second rubber sheet (22) are respectively provided with N semicircular holes, the top end of the third rubber sheet (23) is provided with N semicircular holes, the semicircular holes at the bottom end of the first rubber sheet (21) are in butt joint with the semicircular holes at the top end of the second rubber sheet (22) to form N through holes, and the semicircular holes at the bottom end of the second rubber sheet (22) are in butt joint with the semicircular holes at the top end of the third rubber sheet (23) to form N through holes.

3. The multiple high power harness isolation fixture of claim 2 wherein N is 9.

4. The isolating and fixing device for a plurality of high-power wire harnesses according to claim 1, characterized in that the number of the screws is at least 3, the screws are uniformly distributed along the length direction of the rubber sheet, and any screw penetrates through the bracket (1), the rubber block (2) and the reinforcing groove (3).

5. The multiple high power harness isolation fixture according to claim 4, wherein the rubber block (2) has through holes for the screws to pass through, and a bushing (4) is disposed in each through hole.

6. The multiple high power wire harness isolation fixture according to claim 1, wherein the reinforcement groove (3) comprises a bottom plate and vertically arranged clamping edges at two sides of the bottom plate, and the clamping edges contact the side walls of the rubber block (2) when the bottom plate is pressed on the top end of the rubber block.

7. The multiple high power harness isolation fixture according to claim 1, wherein the reinforcement groove (3) is made of a metallic material.

8. The multiple high power harness isolation fixture according to claim 1, wherein the bracket (1) is fixed to the aircraft airframe structure by a plurality of screw holes and adapted screws in the side walls.