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Electric inspection grounding handcart for upper incoming line

A technology of upper incoming line and electric inspection, which is applied to the grounding device, circuit, and electric switch of the switchgear, which can solve the problems of difficult operation, inconvenient grounding operation, and difficulty in guaranteeing the personal safety of operators, so as to achieve labor-saving operation and reliable and firm grounding , Practical and convenient operation

Inactive Publication Date: 2011-12-07
上海华通企业集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the charged static contact is exposed in front of the operator, it is difficult to guarantee the personal safety of the operator during the electrical inspection process
In addition, due to the limitation of the structural space in the switch cabinet, it is not easy to operate by directly connecting the ground wire to the main busbar.
At the same time, the grounding vehicle is grounded and another grounding wire is attached, which will also bring a lot of inconvenience to the grounding operation on site.

Method used

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  • Electric inspection grounding handcart for upper incoming line
  • Electric inspection grounding handcart for upper incoming line
  • Electric inspection grounding handcart for upper incoming line

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0013] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0014] Such as figure 1 , figure 2 , image 3 with Figure 4 As shown, a grounding trolley for the upper incoming line electric test includes a base 17, the bottom of the base 17 is a roller 11, and the top of the base 17 is a support 18 and a panel 14, and the electric test contact arm 19 and the high voltage sensor 1 are fixed on the support 18 , on the panel 14 there is a charging indicator 13, and a grounding interlock mechanism is set on the bracket 18. The grounding interlocking mechanism includes an operating disc 8 fixed on the bracket through a rotating shaft, and the operating handle 3 is fixed outside the operating disc 8; a guide hole 10 is arranged on the base 17, and a stop rod 12 is installed in the guide hole 10 to stop The upper end of the retaining rod 12 is connected to the inner side of the operating disc 8 through the ...

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Abstract

The invention discloses a grounding handcart for electric testing of upper incoming lines, which comprises a base with rollers under the base, a support and a panel above the base, an electric test contact arm and a high-voltage sensor are fixed on the support, and a live display is arranged on the panel. Set the grounding interlock mechanism on the bracket. The handcart integrates electric testing and grounding functions, and is practical and convenient to operate; a three-phase live display is installed on the panel of the handcart, and it can be observed intuitively when there is power or no power; When the switch is in the closed position, the rollers are stuck, and the switch cabinet cannot be pushed in, which meets the mechanical five-proof requirements. It is suitable for the electric inspection and grounding of the incoming line terminal on the switch cabinet.

Description

technical field [0001] The invention relates to a handcart device on an electric switch cabinet, in particular to a handcart for electric inspection and grounding of upper incoming lines. Background technique [0002] During the inspection and maintenance of the switchgear, it is necessary to test and ground the incoming and outgoing lines and the main busbar to ensure the personal safety of the maintenance personnel. In the past, the methods of electric test with electric probe and grounding wire were often used. Since the charged static contact is exposed in front of the operator, it is difficult to guarantee the personal safety of the operator during the electric test. In addition, due to the limitation of the structural space in the switchgear, it is not easy to operate by directly connecting the grounding wire to the main busbar. At the same time, if the grounding vehicle is grounded and another grounding wire is connected, it will also bring a lot of inconvenience to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B11/02H02B11/28H01H9/20
Inventor 杨进军刘壁
Owner 上海华通企业集团有限公司
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