CN211127414U

CN211127414U - Aircraft generator power cord switching box

Info

Publication number: CN211127414U
Application number: CN201921713512.7U
Authority: CN
Inventors: 李俊勰; 许菊芬
Original assignee: R&d Institute Of China Aviation Industry General Aircraft Co ltd
Current assignee: South China Aircraft Industry Co Ltd of China Aviation Industry General Aircraft Co Ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-07-28
Anticipated expiration: 2029-10-12

Abstract

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an aircraft generator power cord adapter box, the power cord adapter box includes base 5, two at least contact screw 2, backing plate 4, busbar 3, lid 1, support 6a and two clamps 6b, wherein: on bus bar 3 set up backing plate 4, backing plate 4 sets up on base 5, be provided with the through-hole on the bus bar 3, be provided with the recess on the backing plate 4, two at least contact screw 2 pass the through-hole that corresponds on bus bar 3 respectively, and the bottom of two at least contact screw 2 sets up in the recess of backing plate 4, installs lid 1, backing plate 4, base 5 on support 6a, and support 6a lower part is fixed in two clamps 6b, and counter-rotating binding post fastens through fastener on the contact screw 2.

Description

Aircraft generator power cord switching box

Technical Field

The utility model relates to an aircraft generator power cord switching box, especially at the generator power cord switching box in high temperature high earthquake district.

Background

In an airplane, two or more patch cords which need maintenance and disassembly are connected to a common point by a patch box, and thick wires and cables (6 mm)²Above) switching needs special terminal to dock, and the switching box has played the switching effect of circuit promptly, has played againThe insulation and the mechanical protection function of the connecting point and the surrounding environment. The general adapter box cannot bear the environmental stress caused by a high-temperature and high-vibration area, and arc electric sparks are easily generated in the adapter of the large power line, so that the failure of the connection point is caused.

SUMMERY OF THE UTILITY MODEL

The not enough to prior art, the utility model provides a switching box can not only bear the adverse circumstances in high temperature high-vibration district, can carry out the switching to the generator power cord moreover to for the switching point provides insulation, fixed and safeguard function.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an aircraft generator power cord switching box, the power cord switching box includes base, two at least contact screws, backing plate, busbar, lid, support and two clamps, wherein:

the bus bar is arranged on the base plate, the base plate is arranged on the base, a through hole is formed in the bus bar, a groove is formed in the base plate, at least two contact screws penetrate through the corresponding through holes in the bus bar respectively, the bottoms of the at least two contact screws are arranged in the grooves of the base plate, the box cover, the base plate and the base are installed on the support, the lower portion of the support is fixed in the two clamps, and the contact screws are fastened through the fastening devices and the contra-rotating wiring terminals.

Preferably, the adapter box further comprises a rubber pad, and at least two hoops are fastened on the rubber pad in a threaded manner.

Preferably, the fastening means includes a nut and a washer, and the contact screw fastens the rotary connection terminal through the nut and the washer.

Preferably, the contact screw has a diameter of 12 mm.

Preferably, the base, the contact screw, the pad, the bus bar, and the box cover are mounted on the bracket by a round head screw and a countersunk head bolt.

Preferably, the shape of the clamp is made according to the outer diameter of the generator support.

Preferably, the groove on the backing plate is a straight groove.

Preferably, the lower part of the bracket is fixed in the two clamping bands by welding.

The beneficial effects of the utility model are that, can provide reliable switching and insulation protection for aircraft generator's power cord under the high earthquake district environment of high temperature to can maintain and dismantle.

Drawings

Fig. 1 is a schematic structural diagram of an adapter box;

fig. 2 is a schematic view of the bracket mounting and fixing of the adapter box;

FIG. 3 is an assembly view of the junction box bus bar, backing plate, contact screw;

wherein: 1-box cover, 2-contact screw, 3-bus bar, 4-backing plate, 5-base, 6 a-bracket, 6 b-hoop, 7-rubber pad, 8-round head screw, 9-nut, 10-washer, 11-countersunk head bolt.

Detailed Description

The utility model relates to an aircraft generator power cord switching box, its characterized in that: including base 5, contact screw 2, backing plate 4, busbar 3, lid 1, will go up the part and install on support 6a through button head screw 8 and countersunk head bolt 11, support 6a lower part links to each other with clamp 6b through the welding, and the clamp is installed again and is cushioned fixedly on self-control rubber pad. The contact screw 2 is fastened to the rotary terminal by means of a nut 9 and a washer 10. The utility model discloses a generator power cord switching box can guarantee that generator power cord is fixed in circuit switching, insulating protection and the installation in high temperature high earthquake district.

An aircraft generator power line adapter box capable of being used in high-temperature and high-earthquake areas comprises a self-made rubber pad, a hoop (4), a support, a base plate, a contact screw (HB1-216M12X40), a bus bar, a box cover, a mounting screw, a gasket and the like. The adapter box is installed and fixed on a machine through self-made rubber pads and a welding part of the clamp and the support, the rubber pads are silicon rubber plates (No. 6142, high-temperature-resistant and oil-proof performance is achieved), the rubber pads are installed on the engine stand columns, then the aluminum alloy clamp and the welding part of the support are installed and fixed on the rubber pads in a screwing mode, and the box body is buffered and fixed in the installation of a high-temperature high-vibration area. Install base, contact screw, backing plate, busbar, lid on the support through the spiro union mode in proper order, base, backing plate, lid adopt heat-resisting, moisture-proof, corrosion-resistant, the good phenolic glass fiber plastic of insulating properties and mechanical properties, the busbar adopts the pure copper material of T2, has high electric conductivity and good corrosion resistance and processability. The contact screws penetrate through the base plate and are clamped and fixed with the base through the I-shaped mounting holes in the base plate, the bus bar penetrates through the three contact screws and is mounted on the base plate, the switching of the power line is achieved through the contact screws and the bus bar, and the finally mounted box cover provides insulation protection for the switching of the power line of the generator.

The present invention will be further explained with reference to the drawings and examples.

The transfer box in fig. 1 is installed on a structural circular stand column in a short cabin through self-made rubber pads 7 and welding pieces of a support 6a and a hoop 6b, wherein the rubber pads 7 are firstly installed on an engine stand column, and then the welding pieces of the aluminum alloy hoop 6b and the support 6a are installed and fixed on the rubber pads in a screwing mode, so that the box body is buffered and fixed in a high-temperature high-vibration area. And then the base 5, the contact screw 2, the backing plate 4, the bus bar 3 and the box cover 1 are sequentially arranged on the bracket through screws. As shown in figure 2, the mounting bracket of the adapter box is characterized in that a bracket 6a is fixed at the middle position of two hoops 6b in a welding mode, and then the other two hoops 6b are fastened on the rubber pad in a threaded mode. The bus bar 3, the backing plate 4 and the contact screw 2 of the adapter box are installed in a mode shown in figure 3, the contact screw 2 sequentially penetrates through the backing plate 4 and the bus bar 3, the contact screw 2 is stopped through a linear groove in the backing plate 4, and two nuts 9 and one gasket 10 are installed on each contact screw for fastening a wiring terminal.

Claims

1. The utility model provides an aircraft generator power cord switching box which characterized in that: the power cord switching box includes base (5), two at least contact screw (2), backing plate (4), busbar (3), lid (1), support (6a) and two clamps (6b), wherein:

on busbar (3) set up backing plate (4), backing plate (4) set up on base (5), be provided with the through-hole on busbar (3), be provided with the recess on backing plate (4), corresponding through-hole on busbar (3) is passed respectively in two at least contact screw (2), the bottom setting of two at least contact screw (2) is in the recess of backing plate (4), install lid (1), backing plate (4), base (5) on support (6a), support (6a) lower part is fixed in two clamps (6b), pass through fastener on contact screw (2) and fasten contra-rotating binding post.

2. The aircraft generator power line junction box of claim 1, further comprising a rubber gasket (7), wherein the at least two clamps (6b) are fastened to the rubber gasket (7) by screwing.

3. An aircraft generator power line adaptor box as claimed in claim 1, characterised in that the fastening means comprise a nut (9) and a washer (10), the contact screw (2) fastening the rotary connection terminal via the nut (9) and the washer (10).

4. An aircraft generator power line junction box according to claim 1, characterised in that the diameter of the contact screw (2) is 12 mm.

5. The aircraft generator power line junction box of claim 1, characterized in that the base (5), the contact screws (2), the shim plate (4), the bus bar (3) and the box cover (1) are mounted on the bracket (6a) by means of round head screws (8) and countersunk bolts (11).

6. An aircraft generator power line junction box according to claim 1, characterized in that the shape of the collar (6b) is made according to the outer diameter of the generator support.

7. An aircraft generator power line junction box according to claim 1, characterized in that the groove on the backing plate (4) is a straight groove.

8. An aircraft generator power line junction box according to claim 1, characterised in that the lower part of the bracket (6a) is fixed in the two clamps (6b) by welding.