阅读说明：本技术 一种可适用于不同尺寸开关柜的新型接地小车导电臂装置 (Novel grounding trolley conductive arm device applicable to switch cabinets with different sizes ) 是由 刘朝阳 董玉林 黄阳岗 李煜亮 曾鹏 王伟 曾庆明 尹柳 李天昊 陈湘鹏 石宇 于 2021-10-29 设计创作，主要内容包括：本发明公开了一种可适用于不同尺寸开关柜的新型接地小车导电臂装置,包括固定座、竖向滑块、竖向滑轨、竖向调节组件和导电臂；固定座为长度方向一侧和宽度方向一侧为开口侧的长方体形板框座；竖向滑块连接于固定座的长度方向侧板外侧,与竖向滑块配套的竖向滑轨固定于验电小车的车体上,固定座通过竖向滑块装配于竖向滑轨上；竖向调节组件固定于验电小车车体上对应竖向滑轨的下方,固定座装配于竖向滑轨上后通过竖向调节组件实现竖向位置的调节。导电臂的长度可调节,垂直装配于固定座中,装配后可沿固定座的长度方向滑动调整水平位置。所以本装置可实现同一个接地小车可开展800毫米和1000毫米开关柜的接地。(The invention discloses a novel grounding trolley conductive arm device applicable to switch cabinets with different sizes, which comprises a fixed seat, a vertical sliding block, a vertical sliding rail, a vertical adjusting assembly and a conductive arm, wherein the fixed seat is fixedly arranged on the vertical sliding block; the fixed seat is a cuboid-shaped plate frame seat with one side in the length direction and one side in the width direction serving as opening sides; the vertical sliding block is connected to the outer side of the side plate of the fixed seat in the length direction, a vertical sliding rail matched with the vertical sliding block is fixed on the body of the electricity testing trolley, and the fixed seat is assembled on the vertical sliding rail through the vertical sliding block; the vertical adjusting component is fixed below the corresponding vertical sliding rail on the electricity testing trolley body, and the vertical position of the fixing seat is adjusted through the vertical adjusting component after the fixing seat is assembled on the vertical sliding rail. The length of the conductive arm is adjustable, the conductive arm is vertically assembled in the fixed seat, and the horizontal position of the conductive arm can be adjusted in a sliding mode along the length direction of the fixed seat after the conductive arm is assembled. Therefore, the grounding device can realize that the same grounding trolley can be used for grounding switch cabinets of 800mm and 1000 mm.)

1. The utility model provides an applicable novel ground connection dolly conductive arm device in not unidimensional cubical switchboard which characterized in that: the device comprises a fixed seat, a vertical sliding block, a vertical sliding rail, a vertical adjusting assembly and a conductive arm;

the fixed seat is a cuboid-shaped plate frame seat with one side in the length direction and one side in the width direction serving as opening sides;

the vertical sliding block is connected to the outer side of the side plate of the fixed seat in the length direction, a vertical sliding rail matched with the vertical sliding block is fixed on the body of the electricity testing trolley, and the fixed seat is assembled on the vertical sliding rail through the vertical sliding block;

the vertical adjusting assembly is fixed below the corresponding vertical sliding rail on the electricity testing trolley body, and the vertical position of the fixing seat is adjusted through the vertical adjusting assembly after the fixing seat is assembled on the vertical sliding rail;

the length of the conductive arm is adjustable, the conductive arm is vertically assembled in the fixed seat, and the horizontal position of the conductive arm can be adjusted in a sliding mode along the length direction of the fixed seat after the conductive arm is assembled.

2. The novel grounding trolley conductive arm device applicable to switch cabinets with different sizes as claimed in claim 1, wherein: and the top plate and the bottom plate of the fixing seat are symmetrically provided with upwards-convex and downwards-convex sliding grooves corresponding to the middle positions in the width direction.

3. The novel grounding trolley conductive arm device applicable to switch cabinets with different sizes as claimed in claim 2, wherein: a round hole is formed in the center of the side plate in the width direction of the fixing seat.

4. The novel grounding trolley conductive arm device applicable to switch cabinets with different sizes as claimed in claim 1, wherein: the cross section of the vertical sliding block is T-shaped, and after the vertical sliding block is connected to the middle position of the length direction side plate of the fixing seat, the end plate of the vertical sliding block is parallel to the length direction side plate.

5. The novel grounding trolley conductive arm device applicable to switch cabinets with different sizes as claimed in claim 4, wherein: and a T-shaped through groove matched with the vertical sliding block is formed in the vertical sliding rail.

6. The novel grounding trolley conductive arm device applicable to switch cabinets with different sizes as claimed in claim 1, wherein: the vertical adjusting assembly comprises an angle code, a nut and a vertical adjusting screw rod, a vertical arm of the angle code is fixed on the body of the electricity testing trolley, a round hole is formed in a horizontal arm, the nut is fixed at the round hole, and the vertical adjusting screw rod is connected in a center hole of the nut.

7. The novel grounding trolley conductive arm device applicable to switch cabinets with different sizes as claimed in claim 3, wherein: the conductive arm comprises a conductive segment and a contact segment;

the conductive section comprises a conductive seat and a sleeve, the conductive seat is a square body with sliding strips on the top surface and the bottom surface, a threaded hole is formed in the center of the side corresponding to the width direction side plate of the fixed seat, and the sleeve comprises an internal thread metal tube and insulation of the outer wall of the internal thread metal tube;

the contact section comprises a connecting arm and a contact at the outer section of the connecting arm, and the connecting arm comprises a metal rod with an external thread head and an insulating layer at the outer wall of the metal rod;

when the contact section is connected with the conductive section, the external thread head is screwed into the internal thread metal tube, and the total length of the conductive arm is adjusted through the threaded connection length of the external thread head and the conductive section.

8. The novel grounding trolley conductive arm device applicable to switch cabinets with different sizes as claimed in claim 7, wherein: the sliding strip of the conductive seat is connected with the sliding groove on the fixed seat through the horizontal adjusting screw rod after being assembled, and the horizontal position of the conductive seat in the inner cavity of the fixed seat is adjusted through the horizontal adjusting screw rod.

Technical Field

The invention relates to an electrical equipment switch cabinet, in particular to a novel grounding trolley conductive arm device applicable to switch cabinets with different sizes.

Background

At present, the grounding trolley of the 10kV switch cabinet is widely applied to grounding of various 10kV switch cabinets, but the sizes of the 10kV feeder cabinet and the 10kV main switch cabinet which are operated at present are not uniform, the size of the commonly used 10kV feeder switch cabinet is 800mm wide, the size of the 10kV main switch cabinet is 1000mm wide, the contact intervals of the switch cabinets with different sizes are different, and the grounding trolleys with different models are required to be arranged aiming at the switch cabinets with different sizes. In view of the redundant configuration (two grounding trolleys of the same type are configured, and when one grounding trolley is damaged, a spare trolley is available), at least 8 grounding trolleys need to be configured for one substation. On the one hand, the method is not economical, on the other hand, the maintenance workload of the grounding trolley is increased, and the problem of orderly storage of the grounding trolley is brought.

Disclosure of Invention

The invention aims to provide a novel grounding trolley conductive arm device applicable to switch cabinets with different sizes aiming at the defects in the prior art, and the configuration number of grounding trolleys is reduced.

The novel grounding trolley conductive arm device applicable to switch cabinets with different sizes comprises a fixed seat, a vertical sliding block, a vertical sliding rail, a vertical adjusting assembly and a conductive arm; the fixed seat is a cuboid-shaped plate frame seat with one side in the length direction and one side in the width direction serving as opening sides; the vertical sliding block is connected to the outer side of the side plate of the fixed seat in the length direction, a vertical sliding rail matched with the vertical sliding block is fixed on the body of the electricity testing trolley, and the fixed seat is assembled on the vertical sliding rail through the vertical sliding block; the vertical adjusting assembly is fixed below the corresponding vertical sliding rail on the electricity testing trolley body, and the vertical position of the fixing seat is adjusted through the vertical adjusting assembly after the fixing seat is assembled on the vertical sliding rail; the length of the conductive arm is adjustable, the conductive arm is vertically assembled in the fixed seat, and the horizontal position of the conductive arm can be adjusted in a sliding mode along the length direction of the fixed seat after the conductive arm is assembled.

In an embodiment of the above technical solution, the top plate and the bottom plate of the fixing seat are symmetrically provided with upper convex and lower convex sliding grooves corresponding to the middle positions in the width direction.

In an embodiment of the above technical solution, a circular hole is formed in a center position of the side plate of the fixing base in the width direction.

In an embodiment of the above technical solution, the cross section of the vertical sliding block is T-shaped, and after the vertical sliding block is connected to the middle position of the length direction side plate of the fixing base, the end plate is parallel to the length direction side plate.

In an embodiment of the above technical scheme, the vertical slide rail is provided with a T-shaped through groove matched with the vertical slide block.

In an embodiment of the above technical scheme, the vertical adjusting component comprises an angle bracket, a nut and a vertical adjusting screw, the vertical arm of the angle bracket is fixed on the body of the electricity testing trolley, a round hole is formed in the horizontal arm, the nut is fixed at the round hole, and the vertical adjusting screw is connected in the central hole of the nut.

In one embodiment of the above technical solution, the conductive arm includes a conductive segment and a contact segment; the conductive section comprises a conductive seat and a sleeve, the conductive seat is a square body with sliding strips on the top surface and the bottom surface, a threaded hole is formed in the center of the side corresponding to the width direction side plate of the fixed seat, and the sleeve comprises an internal thread metal tube and insulation of the outer wall of the internal thread metal tube; the contact section comprises a connecting arm and a contact at the outer section of the connecting arm, and the connecting arm comprises a metal rod with an external thread head and an insulating layer at the outer wall of the metal rod; when the contact section is connected with the conductive section, the external thread head is screwed into the internal thread metal tube, and the total length of the conductive arm is adjusted through the threaded connection length of the external thread head and the conductive section.

In an embodiment of the above technical scheme, the conductive seat is connected with the sliding groove on the fixing seat through a horizontal adjusting screw rod after being assembled by the sliding strip of the conductive seat, and the horizontal position of the conductive seat in the inner cavity of the fixing seat is adjusted through the horizontal adjusting screw rod.

According to the invention, the fixing seat is assembled with the vertical sliding rail fixed on the electricity testing trolley body through the vertical sliding block, the position of the fixing seat on the vertical sliding rail is changed through the vertical adjusting component fixed on the electricity testing trolley body and corresponding to the position below the vertical sliding rail, the conductive arm is horizontally connected with the fixing seat in a sliding manner, so that the horizontal position of the conductive arm can be changed, the length of the conductive arm can be adjusted, the grounding of 800mm and 1000mm switch cabinets can be carried out by one grounding trolley, the number configuration of the grounding trolleys is reduced, and the maintenance cost is reduced.

Drawings

FIG. 1 is a schematic three-dimensional structure of one embodiment of the present invention (conductive arms only show conductive segments).

FIG. 2 is a schematic side view of the present embodiment (horizontal adjustment screw and vertical adjustment assembly not shown).

Detailed Description

As shown in fig. 1 and fig. 2, the novel grounding trolley conductive arm device applicable to switch cabinets with different sizes disclosed in this embodiment includes a fixing base 1, a vertical slider 2, a vertical slide rail 3, an angle bracket 4, a vertical adjusting screw 5, a conductive arm 6, and a horizontal adjusting screw 7.

The fixing base 1 of this embodiment is a cuboid-shaped plate frame base with the front side in the length direction and the right side in the width direction serving as an opening side, and upper convex and lower convex sliding grooves are symmetrically arranged at positions corresponding to the middle position in the width direction on a top plate and a bottom plate of the fixing base.

A round hole is arranged at the center of the side plate of the fixed seat 1 in the width direction.

The cross section of the vertical sliding block 2 is T-shaped, and is connected to the middle position of the back surface of the fixing seat 1 in the length direction, and after the vertical sliding block 2 is connected, the end plate of the vertical sliding block is parallel to the back plate of the fixing seat.

And a T-shaped through groove matched with the vertical sliding block 2 is formed in the vertical sliding rail 3.

The vertical arm of angle sign indicating number 4 is fixed in on the automobile body of testing the electricity dolly, has seted up the round hole on the horizontal arm, and the nut is fixed in round hole department, and vertical adjusting screw 5 is connected in the centre bore of nut. The arrangement of the nut is more beneficial to the stable adjustment of the vertical adjusting screw rod. Namely, the angle bracket, the nut and the vertical screw rod are used as vertical adjusting components of the fixed seat.

The conductive arm 6 comprises conductive segments, only conductive segments being shown in fig. 1, and contact segments.

The conductive segment comprises a conductive seat 61 and a sleeve 62, the conductive seat 61 is a square body with a sliding strip on the top surface and the bottom surface, a threaded hole is formed in the center of the corresponding side of the width direction side plate of the fixed seat, and the sleeve 62 comprises an internal thread metal pipe 621 and an insulating layer on the outer wall of the internal thread metal pipe 621.

The contact section comprises a connection arm 63 and a contact 64 in its outer section, the connection arm 63 comprising a metal rod 631 with an external screw head and an insulating layer in its outer wall.

When the contact section is connected to the conductive section, the male screw 631 is screwed into the female screw 621, and the total length of the conductive arm 6 is adjusted by the length of the threaded connection between the male screw and the female screw.

The external dimension of the conductive seat 61 is matched with the inner cavity dimension of the fixed seat 1.

In order to facilitate the rotation operation of the vertical adjusting screw 5 and the horizontal adjusting screw 7, butterfly screws are selected.

When the device is used, the vertical slide rail 3 is fixed on the body of the electricity testing trolley, the fixing seat 1 is assembled with the vertical slide rail 3 through the vertical slide block 2 at the back of the fixing seat, the corner code 4 of the vertical adjusting component is fixed below the corresponding vertical slide rail 3 on the electricity testing trolley body, and the vertical height position of the fixing seat 1 is adjusted to a proper position through the vertical adjusting screw rod 5.

When electrically conductive arm 6 and fixing base 1 assembled, the conducting seat 61 top of electrically conductive section and the draw runner of bottom inserted respectively in the spout on 1 roof of fixing base and the bottom plate, and sleeve 62 stretches out from the front side of fixing base 1, then in the screw hole on the electrically conductive seat 1 of horizontal adjusting screw 7 twist through passing 1 width direction curb plate of fixing base, adjusted the horizontal position to suitable position of electrically conductive seat 61 in 1 inner chamber of fixing base through horizontal adjusting screw.

Vertical position through the fixing base adjusts and the horizontal position of electrically conductive arm adjusts, makes the contact of electrically conductive arm outer end and the socket on the ground connection dolly accurate adjusting well, simultaneously through threaded connection between electrically conductive section and the contact section of electrically conductive arm, makes the total length accessible of electrically conductive arm and the change of the screw thread section bell and spigot joint length between the contact section adjust, realizes that same ground connection dolly can carry out the ground connection of 800 millimeters and 1000 millimeters cubical switchboard, reduces the quantity configuration of ground connection dolly, reduces the maintenance cost.

Tests prove that the size of the fixed seat is about 145mm long, and the width and height of the inner cavity are about 40 mm. The size of the body of the conductive seat is equal to the size of the inner cavity of the fixed seat, the sliding strips at the top and the bottom of the cubic conductive seat are inserted into the sliding grooves in the fixed seat and then can flexibly slide, and the sliding strips are in clearance fit with the sliding grooves. The length of the vertical slide rail is preferably about 80 mm.

By adopting the device, only two grounding trolleys can be configured in the 110kV station, and only three grounding trolleys can be configured in the 220kV station. The operation cost of the transformer substation can be effectively saved, the economy is improved, the maintenance workload of the grounding trolley is reduced, and the problem of orderly storage and management of multiple different types of trolleys equipped in the past transformer substation is solved.