CN201886947U - 10KV outdoor pole mounted earth load switch - Google Patents

Abstract

The 10KV outdoor column is equipped with a grounding load switch, which is composed of a grounding movable contact, a grounding static contact, a bracket and a locking device, a grounding operating handle, and a grounding three-phase operating connecting rod. It is characterized in that two silver-plated copper plates are used as stainless steel bolts Fix and compress the spring as a grounding moving contact; the three-phase grounding moving contacts are connected to each other with copper plates, and at the grounding load switch body bracket, the body bracket is installed for grounding, and the load switch terminal and the grounding terminal are integrated. , the insulating pillar is casted with silicone rubber to increase the creepage distance, the operating handle of the load switch and the grounding knife is made of stainless steel, and the base of the load switch is made of stainless steel. The utility model is to install a grounding device on the vacuum load switch body , After disconnecting the load switch, pull the load switch and check the electricity, then close the grounding switch, so as to ground the repaired line or equipment, so as to effectively prevent the staff from getting an electric shock.

Description

10KV outdoor pole with grounding load switch

Technical field:

The utility model belongs to a device for safety prevention and control of power distribution operation and maintenance management and equipment state change, in particular to a 10KV outdoor column with a grounding load switch.

Background technique:

At present, the 10KV pole-mounted load switch used in the distribution network does not have a grounding device. It is only used as a device for line segmentation. When it is used on a line with insulated wires, it is also necessary to install an electrical test grounding ring on the insulated wires. When checking and repairing the next-level equipment, the grounding wire cannot be hung without the grounding ring of the electric test, and the staff has no protection of the grounding wire, so it is difficult to guarantee personal safety.

Invention content:

Aiming at the problem that the existing 10KV pole-mounted load switch has no grounding device and it is difficult to guarantee the personal safety of operators, the utility model provides a 10KV outdoor pole-mounted load switch with grounding.

The utility model realizes the purpose of the invention through the following technical solutions.

The 10KV outdoor column is equipped with a grounding load switch, which is composed of a grounding movable contact, a grounding static contact, a bracket and a locking device, a grounding operating handle, and a grounding three-phase operating connecting rod. It is characterized in that two silver-plated copper plates are used as stainless steel bolts Fix and compress the spring as a grounding moving contact; the three-phase grounding moving contacts are connected to each other with copper plates, and at the grounding load switch body bracket, the body bracket is installed for grounding, and the load switch terminal and the grounding terminal are integrated. , The insulating pillar is made of silicone rubber to increase the creepage distance, the operating handle of the load switch and the grounding knife is made of stainless steel, and the base of the load switch is made of stainless steel.

The utility model is to install a grounding device on the vacuum load switch body. After the load switch is disconnected, the load switch is opened and the electric test is performed, and the grounding knife is closed to ground the repaired circuit or equipment to effectively Prevent workers from electric shock hazards.

The utility model is convenient for installation and operation, has a locking device, and will not cause misoperation phenomena such as electrified connection and grounding. It not only solves the problem of how to prevent personal electric shock of the staff, but also simplifies the operating procedures of the operators, reduces the operating time, and indirectly improves the reliability of power supply.

Description of drawings:

Accompanying drawing 1 is the structural representation of the utility model.

Accompanying drawing 2 is the structural diagram of locking mechanism.

In the accompanying drawings, 1 is the load side terminal, 2 is the grounding static contact, 3 is the support and locking device, 4 is the grounding moving contact, 5 is the short-circuit grounding bar and grounding flat copper wire, 6 is the grounding auxiliary acceleration Spring, 7 is the three-phase operating connecting rod of the grounding terminal, 8 is the grounding operating handle, 9 is the three-phase operating connecting rod of the load switch, 10 is the operating handle of the load switch, 11 is the main knife of the load switch, 12 is the vacuum interrupter of the load switch, 13 is the locking shaft pin, 14 is the three-phase operating connecting rod at the grounding end, 15 is the locking shaft pin chute, 16 is the adjusting nut, 17 is the adjusting bolt, 18 is the three-phase operating connecting rod of the load switch, and 19 is the locking connecting rod. 20 is a locking control panel.

Detailed ways:

Below in conjunction with accompanying drawing, the utility model is further described.

As shown in the figure, the 10KV outdoor column is equipped with a grounding load switch, which is composed of 4 grounding movable contacts, 2 grounding static contacts, a bracket and a locking device 3, a grounding operation handle 8, and a grounding three-phase operation connecting rod 7. It is characterized by : Use two pieces of silver-plated copper plates as stainless steel bolts, and with compression springs, as the grounding moving contact 4, the three-phase grounding moving contact 4 is connected to each other with copper plates, and grounded at the three-phase operating connecting rod 9 of the grounding load switch The terminal of the load switch and the grounding terminal are integrated, the insulating support is made of silicone rubber to increase the creepage distance, the operating handle of the main knife 11 of the load switch and the grounding knife are made of stainless steel, and the base of the load switch is made of stainless steel.

The manufacturing steps of the present utility model are as follows:

1. Grounding static contact, install the grounding static contact on the load side wiring pile head of the load switch. The static contact is made of 40*6mm copper plate processed into L-shaped, silver-plated, and two φ8mm holes are punched on one side. Fix with φ8mm stainless steel screws.

2. The grounding moving contact adopts 40*4mm copper plates to process 6 pieces, each set of two pieces, a total of three groups, and the middle of the two sets of copper plates in each group is fixed with a φ8mm stainless steel screw compression spring; the middle of the three groups is fixed with two pieces of 40 *4mm copper plate connection to make a grounding moving contact, and use a 40*4mm flat copper flexible wire to connect to the stainless steel base of the ground load switch. When grounding, it is directly connected to the base to form a short-circuit grounding wire, which meets the requirements of the regulations.

3. The processing and fixing of the grounding operation connecting rod, ① use 8# stainless steel channel steel to process it into an L shape, and drill two φ10mm holes on one side to fix it on the load switch body bracket; ② use a φ20mm stainless steel rod to process it into an operating As the connecting rod, weld 4 stainless steel plates, two by two, a total of two groups, and use the auxiliary acceleration spring to connect with the L-shaped channel steel bracket; Three groups, and drill holes to connect the grounding moving contact with φ8mm stainless steel screws; ④ Install a limiter on the operating connecting rod, the limiter is processed into a triangle with a stainless steel plate, drill a φ8mm hole through the wire in the middle, and fix the φ8mm stainless steel screw on the operating On the connecting rod; ⑤One end of the operating connecting rod is processed from a round shape to a square, with a depth of about 10mm, and a φ6 hole is drilled in the center for installing the operating handle.

5. Processing and fixing of locking device. ①Use a 15*10mm 3mm thick stainless steel plate to punch a φ12mm sliding hole in the middle to process it into a chute, and punch a φ20mm hole on the upper side of the chute for connecting the grounding operation link; ②Use ∠40*4mm stainless steel The angle steel is processed into a bow shape, one end is connected with a stainless steel shaft pin and the connecting plate to connect the operation link, the other end is connected with the adjustment bolt, and the shaft pin is fixed in the chute; The other end is processed into an L shape and connected to the operating link of the load switch.

6. Grounding operation handle. Weld the square cap with the middle point of 40*4mm rusty steel plate, and drill holes, and match it with the operating connecting rod, and fix it with stainless steel bolts for installation.

7. Connect and assemble, connect and debug all parts.

Claims (1)

1.10KV band ground connection on-load switch on the outdoor post is by ground connection moving contact, ground connection fixed contact, support and locking device, ground connection operating handle, ground connection three-phase operation connecting rod constitutes, it is characterized in that: fix as stainless steel bolt with two sheffield plates, and holddown spring, as the ground connection moving contact; Three-phase ground connection moving contact interconnects with copper coin, and at ground connection load switch body support place, this body support frame ground connection is installed, on-load switch terminals and earth terminal are made of one shape, insulation column adopts the silicon rubber cast, increase creepage distance, the operating handle of on-load switch and ground connection plug-in strip adopts the stainless steel material to make, and the on-load switch base adopts stainless steel material.

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