Trolley for pole opening distance stretching retaining device

Abstract

The utility model relates to the technical field of pole opening distance stretching retaining device trolleys, in particular to a pole opening distance stretching retaining device trolley, which is characterized by comprising a trolley and a pole mounting plate, the trolley is turned by 360 degrees and is locked at a horizontal position, the pole mounting plate is fixedly mounted on the trolley, and six groups of screw guide plates are welded and connected below the pole mounting plate. Every two groups of screw guide plates are arranged right below the pole columns, a group of adjusting screws are arranged between the screw guide plates, and the bottoms of the screw guide plates are connected through a group of positioning circular plates; one end of the adjusting screw penetrates through the pole mounting plate and penetrates into an insulating pull rod adjusting screw hole in the bottom of the pole to be connected with the interior of the pole, the other end of the adjusting screw is arranged in the middle of an opening of the U-shaped stud, and the adjusting screw, the U-shaped stud and the screw guide plate are locked through bolts. According to the utility model, the lightning stroke or partial discharge fracture test of at most three poles can be detected at one time, the detection efficiency is improved, the adjustment of the opening distance of each phase can be independently controlled, and the accurate control can be realized according to the test requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of a pole spacing stretching and holding device trolley, in particular to a pole spacing stretching and holding device trolley. Background Art

[0002] The State Grid has clear test method requirements for lightning impulse and partial discharge tests on circuit breakers. However, during incoming material inspection, the vacuum tubes in the sealed poles can only be tested for lightning impulse and partial discharge on the poles as a whole to the ground due to the self-closing force. The fracture test in the lightning impulse and partial discharge test requires that the poles be assembled into switches and then the moving and static contacts of the vacuum tubes of the poles be pulled apart and maintained at the required distance through the joint action of the housing, mechanism, transmission parts, etc. This has a serious impact on the timeliness and accuracy of incoming material inspection judgments. If batches of poles are unqualified after installation, the amount of rework will be large, which is time-consuming and labor-intensive. This device is designed to improve the accuracy and timeliness of incoming pole inspection, and to provide fixture support for the investigation and in-depth research of related issues in process inspection. Utility Model Content

[0003] In order to overcome the existing deficiencies, the utility model provides a pole spacing stretching and holding device trolley.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a pole spacing stretching and holding device trolley, which is characterized by comprising a trolley that can be flipped 360 degrees and locked in a horizontal position, and a pole mounting plate installed and fixed on the trolley, six groups of screw guide plates are welded and connected below the pole mounting plate, and every two groups of the screw guide plates are set directly below the pole, with a group of adjustment screws provided between them, and the bottoms are connected by a group of positioning circular plates; one end of the adjustment screw passes through the pole mounting plate, penetrates the insulating pull rod adjustment screw hole at the bottom of the pole and is connected to the inside of the pole, and the other end is set in the middle of the U-shaped stud opening, and the adjustment screw, U-shaped stud and screw guide plates are locked by a pin.

[0005] According to another embodiment of the present invention, it further includes a U-shaped groove in the middle of the screw guide plate, a latch in the U-shaped groove, and the latch passes through a group of screw guide plates, a U-shaped stud, an adjusting screw, a U-shaped stud, and another group of screw guide plates in sequence, and is positioned on the outside of the screw guide plate so as to be movable up and down through a cotter pin.

[0006] According to another embodiment of the present invention, further comprising: a scale is provided on the U-shaped groove on the side of the screw guide plate.

[0007] According to another embodiment of the present invention, the bottom of the U-shaped stud is threadedly connected to a half-thread screw, and the half-thread screw rotates and passes through the threaded hole in the middle of the positioning circular plate.

[0008] According to another embodiment of the present utility model, the pole further includes a shell, a vacuum tube static end incoming terminal stud, a vacuum tube static end contact, a vacuum tube moving end contact and an outgoing line side conductive rod; the top of the shell is provided with a vacuum tube static end incoming terminal stud, and the side is provided with an outgoing line side conductive rod, the vacuum tube static end contact and the vacuum tube moving end contact are provided below the vacuum tube static end incoming terminal stud, and the bottom of the vacuum tube moving end contact is connected to the adjusting screw through the insulating pull rod screw hole.

[0009] The beneficial effect of the present invention is that the utility model can detect lightning impulse or partial discharge fracture tests of up to three poles at a time, thereby improving the efficiency of detection. The adjustment of the opening distance of each phase of the utility model can be controlled individually, and precise control can be achieved according to the test requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0011] Figure 1 It is a structural diagram of the utility model;

[0012] Figure 2 It is a side view of the utility model;

[0013] Figure 3 yes Figure 1 A partial enlarged view of middle A;

[0014] Figure 4 It is a schematic diagram of the structure of the pole;

[0015] Figure 5 yes Figure 4 bb cross-sectional view.

[0016] In the figure, 1 is the trolley, 2 is the pole mounting plate, 3 is the screw guide plate, 4 is the adjusting screw, 5 is the U-shaped stud, 6 is the latch, 7 is the pole, 8 is the positioning circular plate, 9 is the U-shaped groove, 10 is the cotter pin, 11 is the half-thread screw, 12 is the shell, 13 is the vacuum tube static end incoming terminal stud, 14 is the vacuum tube static end contact, 15 is the vacuum tube moving end contact, and 16 is the outgoing side conductive rod. DETAILED DESCRIPTION

[0017] like Figure 1It is a structural schematic diagram of the utility model, a pole spacing stretching and holding device trolley, characterized in that it includes a trolley 1 that flips 360° and is locked in a horizontal position, and a pole mounting plate 2 installed and fixed on the trolley 1, six groups of screw guide plates 3 are welded and connected below the pole mounting plate 2, and every two groups of screw guide plates 3 are set directly below the pole 7, with a group of adjusting screws 4 provided between them, and the bottoms are connected by a group of positioning circular plates 8; one end of the adjusting screw 4 passes through the pole mounting plate 2, penetrates the insulating pull rod screw hole at the bottom of the pole 7 and is connected to the inside of the pole 7, and the other end is set in the middle of the opening of the U-shaped stud 5, and the adjusting screw 4, U-shaped stud 5 and screw guide plate 3 are locked by a pin 6.

[0018] According to another embodiment of the present invention, the screw guide plate 3 is further provided with a U-shaped groove 9 in the middle, and a latch 6 is provided in the U-shaped groove 9. The latch 6 passes through a group of screw guide plates 3, U-shaped studs 5, adjusting screws 4, U-shaped studs 5, and another group of screw guide plates 3 in sequence, and is positioned on the outside of the screw guide plate 3 by means of a cotter pin 10 so as to be movable up and down.

[0019] According to another embodiment of the present invention, further comprising: a scale is provided on the U-shaped groove 9 on the side of the screw guide plate 3 .

[0020] According to another embodiment of the present invention, the bottom of the U-shaped stud 5 is threadedly connected with a half-thread screw 11 , and the half-thread screw 11 rotates and passes through the threaded hole in the middle of the positioning circular plate 8 .

[0021] According to another embodiment of the present utility model, the pole 7 further includes a shell 12, a vacuum tube static end incoming terminal stud 13, a vacuum tube static end contact 14, a vacuum tube moving end contact 15 and an outgoing line side conductive rod 16; the top of the shell 12 is provided with a vacuum tube static end incoming terminal stud 13, and the side is provided with an outgoing line side conductive rod 16, and the vacuum tube static end contact 14 and the vacuum tube moving end contact 15 are provided below the vacuum tube static end incoming terminal stud 13, and the bottom of the vacuum tube moving end contact 15 is connected to the adjusting screw 4 through the insulating pull rod screw hole.

[0022] The specific operation process is to place the pole 7 to be tested on the pole mounting plate 2, connect it to the moving end contact 15 of the vacuum tube through the adjusting screw 4, rotate the half-tooth screw 11 at the bottom, and adjust the required opening distance through the scale on the side of the U-shaped groove 9, so that the U-shaped stud 5 moves up and down to the appropriate position, and drive the adjusting screw 4 to move through the pin 6. At this time, the moving end contact 15 of the vacuum tube and the static end contact 14 of the vacuum tube are pulled apart to the specified position, so that the static end incoming terminal stud 13 of the vacuum tube and the conductive rod 16 on the outgoing side are disconnected, which is convenient for applying high voltage between them to perform lightning surge or partial discharge fracture test to judge its quality.

[0023] The above description is only illustrative and not restrictive of the present invention. Those skilled in the art will understand that many modifications, changes or equivalents may be made without departing from the spirit and scope defined by the appended claims, but all of them will fall within the scope of protection of the present invention.

Claims

1. A pole spacing stretching and holding device trolley, characterized in that: The invention comprises a trolley (1) that can be turned 360 degrees and locked in a horizontal position, and a pole mounting plate (2) fixed on the trolley (1); six groups of screw guide plates (3) are welded and connected below the pole mounting plate (2); two groups of screw guide plates (3) are set directly below the pole (7), a group of adjusting screws (4) are arranged between them, and the bottoms are connected by a group of positioning circular plates (8); one end of the adjusting screw (4) passes through the pole mounting plate (2), penetrates the insulating pull rod screw hole at the bottom of the pole (7) and is connected to the inside of the pole (7); the other end is set in the middle of the opening of the U-shaped stud (5); the adjusting screw (4), the U-shaped stud (5) and the screw guide plate (3) are locked by a latch (6).

2. The pole spacing stretching and holding device trolley according to claim 1, characterized in that: A U-shaped groove (9) is provided in the middle of the screw guide plate (3), and a latch (6) is provided in the U-shaped groove (9). The latch (6) passes through a group of screw guide plates (3), a U-shaped stud (5), an adjusting screw (4), a U-shaped stud (5), and another group of screw guide plates (3) in sequence, and is positioned on the outside of the screw guide plate (3) by a cotter pin (10) so as to be movable up and down.

3. The pole spacing stretching and holding device trolley according to claim 1, characterized in that: The U-shaped groove (9) on the side of the screw guide plate (3) is provided with a scale.

4. The pole spacing stretching and holding device trolley according to claim 1, characterized in that: The bottom of the U-shaped stud (5) is threadedly connected to a half-thread screw (11), and the half-thread screw (11) rotates and passes through the threaded hole in the middle of the positioning circular plate (8).

5. The pole spacing stretching and holding device trolley according to claim 1, characterized in that: The pole (7) comprises a shell (12), a vacuum tube static end incoming line terminal stud (13), a vacuum tube static end contact (14), a vacuum tube moving end contact (15) and an outgoing line side conductive rod (16); the top of the shell (12) is provided with a vacuum tube static end incoming line terminal stud (13), and the side is provided with an outgoing line side conductive rod (16); the vacuum tube static end incoming line terminal stud (13) is provided below the vacuum tube static end incoming line terminal stud (13) and the vacuum tube moving end contact (15); the bottom of the vacuum tube moving end contact (15) is connected to the adjusting screw (4) through an insulating pull rod screw hole.

Images