CN204067546U - A fixing device for the multi-cable junction of the mesh antenna mesh surface - Google Patents

Abstract

The utility model relates to a kind of net-shape antenna wire side many ropes junction fixture, comprise parallel and the upper supporting disk of dead in line and lower support dish, gap is provided with between upper supporting disk and lower support dish, described upper supporting disk is evenly provided with multiple upper location hole, position corresponding with upper supporting disk on lower support dish is also provided with multiple lower location hole, the straight pin for solderless wrapped connection rope is connected between the upper location hole that single group is corresponding and lower location hole, the upper end of straight pin is socketed in location hole, and lower end is socketed in lower location hole.The utility model achieves the fixing of spaceborne deployable hoop truss net-shape antenna wire side many ropes junction, each rope can do small adjustment along wire side circumferencial direction simultaneously, solve existing wire side many rope junction fixed structures complicated, processing, operation easier is large, can not mesh-surface accuracy be improved and the larger problem of quality, have that structure is simple, difficulty of processing is low, quality is little and mesh-surface accuracy, fixing advantage reliable, practical, easy to implement can be improved.

Description

A fixing device for the multi-cable junction of the mesh antenna mesh surface

technical field

The utility model relates to a fixing structure, in particular to a fixing device for the multi-cable junction of the net surface of a mesh antenna.

Background technique

Each node on the spaceborne deployable mesh antenna mesh surface is often connected with multiple cables, and a fixed structure is required to fix the multiple cables at the nodes, and the cables are required to transition smoothly at the nodes, so that the accuracy of the mesh surface can be guaranteed. And it has high reliability. It is a very important technology to form the mesh surface of space expandable mesh antenna. However, the existing fixed structure is complicated, the processing and operation are difficult, and the accuracy of the mesh surface cannot be improved and the quality is relatively high. , cannot meet the requirements.

Utility model content

The purpose of this utility model is to solve the above problems and provide a mesh antenna with simple structure, low processing difficulty, small quality, improved mesh surface accuracy, reliable fixing, strong practicability, and easy implementation. device.

The technical solution adopted by the utility model is: a fixing device for the multi-cable junction of the mesh antenna mesh surface, including an upper support plate and a lower support plate whose axes are coincident, and a gap is provided between the upper support plate and the lower support plate. A plurality of upper positioning holes are evenly provided on the upper support plate, and a plurality of lower positioning holes are also provided on the lower support plate corresponding to the upper support plate, and a single set of corresponding upper positioning holes and lower positioning holes are connected with each other As for the cylindrical pin that is wound around the cable, the upper end of the cylindrical pin is socketed in the upper positioning hole, and the lower end is socketed in the lower positioning hole.

The two free ends of the cable pass through the cable head, and the cable head forms a ring around the joint of the cable, and is connected around the cylindrical pin.

Both the above-mentioned upper supporting plate and the lower supporting plate are disc-shaped with equal areas.

There are 6 cylindrical pins, upper positioning holes and lower positioning holes. The upper positioning holes and the lower positioning holes are all through holes.

The above-mentioned upper positioning hole and the cylindrical pin are a transition fit, and the lower positioning hole and the cylindrical pin are an interference fit.

The ring and cylindrical pin are a transition fit.

The shape and position tolerance of the upper positioning hole is smaller than the shape and position tolerance of the lower positioning hole.

The beneficial effects of the utility model are: the utility model realizes the fixing of the multi-cable intersection of the space-borne expandable peripheral truss mesh antenna mesh surface, and at the same time, each cable can be slightly adjusted along the circumferential direction of the mesh surface to realize the accuracy of the mesh surface The improvement solves the problem that the fixed structure at the joint of multiple cables on the existing mesh surface is complicated, the processing and operation are difficult, the accuracy of the mesh surface cannot be improved and the quality is high, and it has the advantages of simple structure, low processing difficulty, small quality and can be improved. The advantages of mesh surface accuracy, reliable fixation, strong practicability, and easy implementation.

The utility model will be described in detail below in conjunction with the accompanying drawings of the embodiments.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Figure 2 is a schematic diagram of the structure of the cable.

In the figure: 1, upper support plate; 2, lower support plate; 3, cylindrical pin; 4, upper positioning hole; 5, lower positioning hole; 6, gap; 7, cable; 8, cable head; 9, ring.

Detailed ways

As shown in Figures 1 and 2, a fixing device for the multi-cable intersection of the mesh antenna network surface includes an upper support plate 1 and a lower support plate 2 that are parallel and have coincident axes. There is a gap 6, the upper support plate 1 is evenly provided with a plurality of upper positioning holes 4, and the position corresponding to the upper support plate 1 on the lower support plate 2 is also provided with a plurality of lower positioning holes 5, and the upper positioning holes 5 corresponding to a single group Between the hole 4 and the lower positioning hole 5, a cylindrical pin 3 for winding the cable 7 is connected. The upper end of the cylindrical pin 3 is socketed in the upper positioning hole 4, and the lower end is socketed in the lower positioning hole 5. The two free ends of the cable 7 pass through the cable head 8, and the cable head 8 is a metal tube. After the cable 7 is penetrated, the tube wall of the cable head 8 is squeezed so that the cable head 8 is fixed at the winding joint of the cable 7, Thereby, the winding joint of the cable 7 forms a ring 9, and the ring 9 is wound around the outside of the cylindrical pin 3.

When in use, first insert the upper end of the cylindrical pin 3 into the upper positioning hole 4 of the upper support plate 1, then make the cable 7 fit outside the cylindrical pin 3 through the ring 9 on the cable head 8, and finally insert the lower end of the cylindrical pin 3 into the In the lower positioning hole 5 of the lower support plate 2, the purpose of fixing the cable 7 is realized, and the fixing of the multi-cable junction of the satellite-borne expandable peripheral truss mesh antenna mesh surface is realized.

Further, the upper support plate 1 and the lower support plate 2 are disc-shaped with the same area, the cylindrical pins 3, the upper positioning holes 4 and the lower positioning holes 5 are all 6, and the upper positioning holes 4 and the lower positioning holes The holes 5 are all through holes, and the upper positioning holes 4 and the lower positioning holes 5 are annularly distributed around the axes of the upper support plate 1 and the lower support plate 2 respectively. In order to facilitate disassembly and ensure a reliable connection, the upper positioning hole 4 and the cylindrical pin 3 are a transition fit. In order to ensure a reliable connection and prevent the cylindrical pin 3 from falling from the lower support plate 2, the lower positioning hole 5 and the cylindrical pin 3 are an interference fit. ; In order to improve the accuracy of the mesh surface, the cable 7 is allowed to have a slight adjustment along the circumferential direction of the mesh surface, and the ring 9 and the cylindrical pin 3 are a transition fit. The shape and position tolerance of the upper positioning hole 4 is smaller than the shape and position tolerance of the lower positioning hole 5. On the one hand, it ensures the assembly accuracy between the lower support plate and the positioning pin, and on the other hand, it is the premise of high surface accuracy of the antenna.

To sum up, the fixing device for the multi-cable junction of the mesh antenna mesh surface provided by the utility model realizes the fixing of the multi-cable junction of the satellite-borne expandable peripheral truss mesh antenna mesh surface, and improves the accuracy of the mesh surface , which solves the problems of complex fixed structure at the intersection of multiple cables on the existing mesh surface, difficult processing and operation, and can not improve the accuracy of the mesh surface and has a high quality. It has a simple structure, low processing difficulty, small quality and can improve the mesh surface. The advantages of precision, reliable fixing, strong practicability and easy implementation.

The components and structures not described in detail in this embodiment are known components and common structures or common means in this industry, and are not described here one by one.

Claims (7)

1. A fixing device for the multi-cable junction of the mesh antenna, characterized in that it includes an upper support plate (1) and a lower support plate (2) parallel to each other and the axes coincide, and the upper support plate (1) and the lower support plate There is a gap (6) between (2), and a plurality of upper positioning holes (4) are uniformly arranged on the upper support plate (1), and the position corresponding to the upper support plate (1) on the lower support plate (2) A plurality of lower positioning holes (5) are also provided, and a cylindrical pin (3) for winding the connecting cable (7) is connected between the corresponding upper positioning hole (4) and the lower positioning hole (5) of a single group, and the cylindrical pin ( 3) The upper end is socketed in the upper positioning hole (4), and the lower end is socketed in the lower positioning hole (5). 2. The fixing device for multi-cable junction of mesh antenna network according to claim 1, characterized in that: the two free ends of the cable (7) pass through the cable head (8), and the cable head (8) ) forming a ring (9) at the winding joint of the cable (7), and the ring (9) is wound around the cylindrical pin (3). 3. The fixing device for the multi-cable junction of the mesh antenna mesh surface according to claim 1, characterized in that: the upper support plate (1) and the lower support plate (2) are both disc-shaped with equal areas. 4. The fixing device for the multi-cable junction of the mesh antenna mesh surface according to claim 1, characterized in that: there are 6 cylindrical pins (3), upper positioning holes (4) and lower positioning holes (5) , the upper positioning hole (4) and the lower positioning hole (5) are both through holes, and the upper positioning hole (4) and the lower positioning hole (5) are ring-shaped around the axes of the upper support plate (1) and the lower support plate (2) respectively distributed. 5. The fixing device for the multi-cable junction of the mesh antenna mesh surface according to claim 1, characterized in that: the upper positioning hole (4) and the cylindrical pin (3) are a transition fit, and the lower positioning hole (5) and the The cylindrical pin (3) is an interference fit. 6. The device for fixing the multi-cable junction of the mesh antenna mesh surface according to claim 2, characterized in that: the ring (9) and the cylindrical pin (3) are a transition fit. 7. The fixing device for the multi-cable junction of the mesh antenna mesh surface according to claim 1, characterized in that: the shape and position tolerance of the upper positioning hole (4) is smaller than the shape and position tolerance of the lower positioning hole (5).