CN211442020U - A protection device for a replacement connector for a pure electric heavy truck - Google Patents

Abstract

The utility model discloses a protection device for a power exchange connector of a pure electric heavy truck, which comprises a cover plate, foamed silica gel, a first bolt, a box body, a cable gland, a first copper bar, a second copper bar and a quick-change connector The plug, the third copper bar, the insulating column, the second bolt, the third bolt, the fourth copper bar, the fourth bolt, the fifth bolt and the insulating column mounting base, the foamed silica gel is adhered to the flange of the box, The cover plate is fixed on the box body by the first bolt, the gland head is mounted on the box body, the first copper bar is mounted on the second copper bar by the third bolt, and the second copper bar is mounted on the fast circuit by the third bolt. On the high-voltage contact of the change connector, the quick-change connector plug is installed on the box body through the fifth bolt, the third copper row is installed on the insulating column through the second bolt, and the insulating column is installed on the insulating column with the second bolt. On the base, the third copper bar and the fourth copper bar are fixed by a third bolt, and the fourth copper bar is mounted on the high-voltage contact of the quick-change connector plug by the fourth bolt.

Description

A protection device for a replacement connector for a pure electric heavy truck

Technical field:

The utility model relates to a protection device for a power exchange connector of a pure electric heavy truck, which belongs to the technical field of pure electric trucks.

Background technique:

Due to the large capacity of pure electric heavy trucks, the charging time is too long, which affects vehicle operation. Therefore, the battery replacement type heavy truck came into being. In order to save costs, all battery boxes are installed in the battery frame to form a battery pack, and the battery pack is replaced as a whole. The entire battery pack only uses two traditional power-changing connector plugs, which are docked with the power-changing connector sockets installed on the vehicle frame base.

Pure electric heavy trucks still use traditional power-exchange connectors, and there are still three problems in practical scenarios: First, the high-voltage terminal of the power-exchange connector plug is connected to the cable lug through bolts, and the connection is exposed without protection against electric shock; The IP protection level of the power exchange connector plug is low; the third is that the battery pack adopts a heat dissipation grille structure, which will cause water seepage and reduce the insulation of the power exchange connector.

Therefore, it is indeed necessary to improve the existing technology to solve the shortcomings of the existing technology.

Utility model content:

The utility model provides a power-exchange connector protection device for a pure electric heavy truck in order to solve the above-mentioned problems existing in the prior art.

The technical scheme adopted by the utility model is as follows: a protection device for a power exchange connector of a pure electric heavy truck, comprising a cover plate, foamed silica gel, a first bolt, a box body, a cable gland, a first copper row, a second copper row, quick-change connector plug, third copper row, insulating column, second bolt, third bolt, fourth copper row, fourth bolt, fifth bolt and insulating column mounting base, the foamed silica gel is adhered to the box On the flanging of the body, the cover plate is fixed on the box body by the first bolt, the gland head is mounted on the box body, the first copper bar is installed on the second copper bar by the third bolt, and the second copper bar passes through The third bolt is installed on the high-voltage contact of the quick-change connector, the plug of the quick-change connector is installed on the box body through the fifth bolt, the third copper bar is installed on the insulating column through the second bolt, and the insulating column shares the second The bolt is installed on the insulating column mounting base, the third copper row and the fourth copper row are fixed by the third bolt, and the fourth copper row is installed on the high-voltage contact of the quick-change connector plug through the fourth bolt.

The utility model has the following beneficial effects:

(1). The utility model uses low-cost materials such as box body, box cover, copper bar, etc., to realize the safety protection and electrical transfer function of the high-voltage live connection, and indirectly improve the waterproof performance and insulation performance in addition;

(2). The utility model effectively isolates water vapor, sand, and salt mist, and improves the service life of the power exchange connector.

Description of drawings:

FIG. 1 is a structural diagram of a power-replacement connector protection device for a pure electric heavy truck of the present invention.

Detailed ways:

The utility model will be further described below in conjunction with the accompanying drawings.

The protection device for the replacement connector of the pure electric heavy truck of the present invention includes a cover plate 1, a foamed silica gel 2, a first bolt 3, a box body 4, a cable gland 5, a first copper row 6, a second copper row 7, a fast Replace the connector plug 8 , the third copper bar 9 , the insulating column 10 , the second bolt 11 , the third bolt 12 , the fourth copper bar 13 , the fourth bolt 14 , the fifth bolt 15 and the insulating column mounting base 16 . The foamed silica gel 2 is adhered to the flanging of the box body 4, the cover plate 1 is fixed on the box body 4 by the first bolt 3, and the gland 5 is mounted on the box body 4 for high-voltage line installation. The first copper bar 6 is installed on the second copper bar 7 through the third bolt 12 , and the second copper bar 7 is installed on the high-voltage contact of the quick-change connector 8 through the third bolt 12 . The quick-change connector plug 8 is mounted on the box body 4 through the fifth bolt 15 . The third copper bar 9 is mounted on the insulating column 10 through the second bolt 11 , and the insulating column 10 is mounted on the insulating column mounting base 16 by sharing the second bolt 11 . The third copper bar 9 and the fourth copper bar 13 are fixed by the third bolts 12 , and the fourth copper bar 13 is mounted on the high-voltage contact of the quick-change connector plug 8 by the fourth bolts 14 .

The cover plate 1 is first bent to form flanging on both sides, and then the remaining two sides are welded. The Φ5 round holes are evenly arranged on the cover plate 1, which correspond to the Φ5 round holes on the foamed silica gel 2 and the box 4 one by one. Secure with the first bolt 3.

The foamed silica gel 2 adopts a rectangular structure with Φ5 round holes evenly arranged on it.

The box body 4 is formed by bending the "ji"-shaped structure to form flanging on both sides, and the other two facades are respectively flanged and then welded. The insulating column mounting base 16 is welded on the lower plane of the box body 4 . A Φ7 round hole is opened on the lower plane of the box body 4 for fixing the quick-change connector plug 8 . A Φ35 round hole is opened on one side of the box body 4, and the cable gland 5 is installed.

The first copper bar 6 is bent into an L-shaped structure, and the Φ11 round hole bolts are fixed on the second copper bar 7 . The second copper bar 7 is of a straight line structure, with a Φ11 round hole, and the second copper bar 7 is fixed to the high-voltage contact of the quick-change connector plug 8 through the third bolt 12 . The third copper bar 9 is bent into an L-shaped structure, and a Φ11 round hole and a Φ9 round hole are opened. The fourth copper bar 13 has a Φ11 round hole, and is fixed to the high-voltage contact of the quick-change connector plug 8 through the fourth bolt 14 .

The insulating column mounting base 16 has a Φ9 circular hole to fix the insulating column 10 with the second bolt 11 .

The first bolt 3 is a three-in-one M4 bolt, the second bolt 11 is an M8 bolt, the third bolt 12 is an M10 bolt, the fourth bolt 12 is an M10 bolt, and the fifth bolt 13 is a three-in-one M6 bolt.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, some improvements can be made without departing from the principles of the present invention, and these improvements should also be regarded as the present invention. The scope of protection of the utility model.

Claims (9)

1. A power-exchange connector protection device for a pure electric heavy truck, characterized in that it comprises a cover plate (1), a foamed silica gel (2), a first bolt (3), a box body (4), a gland head ( 5), the first copper bar (6), the second copper bar (7), the quick-change connector plug (8), the third copper bar (9), the insulating column (10), the second bolt (11), the first Three bolts (12), a fourth copper row (13), a fourth bolt (14), a fifth bolt (15) and an insulating column mounting base (16), the foamed silica gel (2) is adhered to the box body (4) ), the cover plate (1) is fixed on the box body (4) by the first bolt (3), the gland (5) is mounted on the box body (4), the first copper bar (6) ) is installed on the second copper bar (7) through the third bolt (12), and the second copper bar (7) is installed on the high-voltage contact of the quick-change connector plug (8) through the third bolt (12). The quick-change connector plug (8) is installed on the box body (4) through the fifth bolt (15), the third copper row (9) is installed on the insulating column (10) through the second bolt (11), and the insulating column ( 10) The shared second bolt (11) is mounted on the insulating column mounting base (16), the third copper row (9) and the fourth copper row (13) are fixed by the third bolt (12), and the fourth copper row (13) is mounted on the high-voltage contact of the quick-change connector plug (8) through the fourth bolt (14). 2. The power-exchange connector protection device for a pure electric heavy truck according to claim 1, characterized in that: the cover plate (1) is evenly arranged with Φ5 round holes, and the foamed silica gel (2) adopts a rectangular structure , Φ5 round holes are evenly arranged thereon, and the box body (4) is provided with Φ5 round holes corresponding to the Φ5 round holes on the cover plate (1) and the Φ5 round holes on the foamed silica gel (2). 3. The power-exchange connector protection device for a pure electric heavy truck according to claim 2, characterized in that: the lower plane of the box body (4) is provided with a Φ7 round hole for fixing the quick-change connector plug (8). 4. The power-exchange connector protection device for a pure electric heavy truck according to claim 3, characterized in that: the first copper bar (6) is bent into an L-shaped structure, and a Φ11 round hole is opened to pass the third bolt (12 ) is fixed on the second copper row (7). 5. The power-exchange connector protection device for a pure electric heavy truck according to claim 4, characterized in that: the second copper bar (7) is a linear structure with a Φ11 round hole, and the second copper bar (7) passes through The third bolt (12) is fixed on the high-voltage contact of the quick-change connector plug (8). 6. The power-exchange connector protection device for a pure electric heavy truck according to claim 5, wherein the third copper row (9) is bent into an L-shaped structure, and a Φ11 round hole and a Φ9 round hole are opened, respectively. It is fixed on the fourth copper row (13) by the third bolt (12) and on the insulating column (10) by the second bolt (11). 7. The power-exchange connector protection device for a pure electric heavy truck according to claim 6, wherein the fourth copper bar (13) has a Φ11 round hole and is fixed to the quick-change connection by a fourth bolt (14). on the high voltage contact of the connector (8). 8. The power-exchange connector protection device for a pure electric heavy truck according to claim 7, characterized in that: the insulating column mounting base (16) opens a Φ9 round hole and uses a second bolt (11) to fix the insulating column (10) . 9. The power-exchange connector protection device for a pure electric heavy truck according to claim 7, wherein the first bolt (3) is a three-in-one M4 bolt, the second bolt (11) is an M8 bolt, and the first bolt (3) is an M8 bolt. The three bolts (12) are M10 bolts, the fourth bolt (14) is an M10 bolt, and the fifth bolt (15) is a three-in-one M6 bolt.

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