CN116053818A - An insulated ground rod clamp - Google Patents

Abstract

The invention relates to an insulating grounding rod clamp, which belongs to the field of grounding rod clamps and comprises a supporting rod, a grounding frame, a conductive frame, a clamping plate, a conductive rod, a wiring frame, a wire, a grounding wire and an insulating handle; the power connection frame is arranged at the upper end of the supporting rod; the conductive frame is arranged in the power receiving frame in a sliding way; the power receiving frame is provided with a pushing spring for pushing the conductive frame to move; the clamping plate is arranged on the conductive frame in a sliding way; the conductive frame is provided with a moving mechanism for driving the clamping plate to move; the support rod is provided with a magnet for driving the clamping plate to move; the conducting rod is arranged on the conducting frame; the conducting rod is electrically connected with the conducting frame; the conducting rod is connected with the power receiving frame in a sliding way; the wiring frame is arranged on the power connection frame; the wiring frame is electrically connected with the conducting rod through a conducting wire; the grounding wire is electrically connected with the wiring frame and is detachably connected with the wiring frame; the insulating handle sets up the lower extreme at the bracing piece. The invention can firmly clamp the power connection frame on the electric wire by means of self gravity.

Description

An insulated ground rod clamp

technical field

The invention relates to the field of ground rod clamps, in particular to an insulating ground rod clamp.

Background technique

The grounding wire is a kind of safety tool for temporarily short-circuiting the grounding of the equipment that has been powered off. Its function is to prevent the sudden call of the equipment and the induced voltage generated by the adjacent high-voltage live equipment from harming the human body when the high-voltage equipment is powered off for maintenance or other work. Discharge residual charge from de-energized equipment. The grounding wire plays an important role in the safe operation of the system as the grounding of the AC and DC equipment of the substation and the grounding of lightning protection. The high-voltage grounding wire is used for the construction of lines and substations, in order to prevent electrostatic induction electric shock or false closing of the adjacent charged body When used to ensure safety, it usually consists of an insulating operating rod, wire clamps, short-circuit wires, grounding wires, grounding terminals, confluence clamps and grounding clamps.

In order to facilitate disassembly and assembly, during the construction of existing substations, a grounding wire insulation operating rod with a hook on the top is usually used. But the actual operation is cumbersome and inconvenient for fast disassembly and assembly; especially for the construction of 35kv electric power substation, the insulation ground rod clamp requires reliable connection, and after the fastener cooperates with the hook to clamp the line, there is no anti-rotation for the ground rod device, causing it to loosen easily.

Contents of the invention

The purpose of the present invention is to solve the problems existing in the background technology, and propose an insulating ground rod clamp that can firmly clamp the power connection frame to the wire by relying on its own gravity.

The technical solution of the present invention: an insulating ground rod clamp, including a support rod, a power connection frame, a conductive frame, a splint, a conductive rod, a terminal frame, a wire, a ground wire and an insulating handle;

The power connection frame is arranged on the upper end of the support rod; the conductive frame is slidably arranged in the power connection frame; the power connection frame is provided with a push spring for pushing the conductive frame to move; the splint is slidably arranged on the conductive frame; The movement mechanism for splint movement; the support rod is provided with a magnet for driving the movement of the splint; the conductive rod is arranged on the conductive frame; the conductive rod is electrically connected with the conductive frame; on the rack; the wiring rack is electrically connected to the conductive rod through the wire; the grounding wire is electrically connected to the wiring rack and is detachably connected; the insulating handle is arranged at the lower end of the supporting rod.

Preferably, the moving mechanism includes a connecting rod, a sliding block, a guide rail and an elastic member; the guide rail is arranged on the conductive frame; there are two connecting rods, a sliding block and an elastic member; two sliding blocks are all slidably arranged on the guide rail; The two ends of the rod are respectively connected to the sliding block and the splint; the elastic member is arranged on the outer peripheral side of the guide rail, and the two ends of the elastic member are respectively connected to the conductive frame and the sliding block; there are multiple magnets, and the multiple magnets are respectively arranged on the electric connection On the frame and the sliding block; the magnet on the sliding block is connected with the magnet on the electric frame with the same sex and repulsion.

Preferably, the wiring frame is provided with a connecting device; the connecting device includes a pad, a copper pad, abutting nuts and bolts; the pad is set on the wiring frame, and the bolt is set on the pad; the copper pad is slidably arranged on the bolt ; The abutting nut is threadedly connected with the bolt; the abutting nut is abutted with the copper pad; the ground wire is electrically connected with the copper pad; the pad is electrically connected with the wire.

Preferably, a limiting column is arranged on the power connection frame; the limiting column is located at the upper end of the conductive frame; and the conductive frame abuts against the limiting column.

Preferably, both the conductive frame and the splint are provided with wire clamping slots; the wire clamping slots are arc-shaped and arranged symmetrically.

Preferably, a sliding bar is arranged on the power connection frame; the conductive frame is slidably arranged on the sliding bar.

Preferably, an extension rod is also included; the extension rod is threadedly connected with the insulating handle and is detachably connected.

Preferably, the method comprises the following steps:

S1. When it is not connected to the wire, connect the ground wire to the ground wire first. At this time, the conductive frame is located at the lower end of the electric frame, and the moving mechanism drives the splint to move downward, so that the splint moves into the conductive frame;

S2. Hold the insulated handle, support the power connection frame through the support rod, move the power connection frame to the wire, put the power connection frame on the wire, and the wire is located in the conductive frame;

S3. Pull the support rod downward, the support rod drives the power connection frame to move, and the power connection frame drives the conductive frame to move, so that the conductive frame moves upward relative to the power connection frame;

S4. The magnet can push the splint to move, so that the splint clamps the wire on the conductive frame to fix the wire;

S5. Loosen the insulating handle, the conductive frame is supported by the gravity of the support rod and the power connection frame itself, so that the conductive frame is still stuck on the wire, preventing the conductive frame from being separated from the wire;

S6. When it is necessary to remove the power connection frame, push the support rod upward, so that the electric wire moves downward relative to the power connection frame, and drives the conductive frame to move downward to remove the blockage of the conductive frame. The moving mechanism can push the connection between the splint and the conductive frame The upper end is separated so that the wire can be moved out from between the conductive frame and the splint, and then moved out from the power frame to remove the wire;

S7. The current is connected to the terminal frame through the conductive rod and the wire, and then transmitted to the grounding wire for grounding.

Compared with the prior art, the present invention has the following beneficial technical effects:

Before connecting the electric wires, the present invention first connects the grounding wire to the grounding wire, pushes the spring to push the conductive frame to move downward, and the moving mechanism pushes the splint to move downward, so that the conductive frame exposes the opening, and the electric wire can be put in, and the insulating handle is held in hand to prevent electric shock. Use the support rod to support the power frame, move the power frame to the wire, align the opening of the power frame and the conductive frame with the wire, put the wire between the upper end of the conductive frame and the splint, and pull down the support rod , because the conductive frame is stuck on the wire, so that the conductive frame moves upward relative to the power frame, so that the power frame blocks the conductive frame to prevent the wire from slipping from the power frame. When the conductive frame is completely moved into the power frame Finally, at this time, the magnet on the power frame is just aligned with the magnet on the sliding block, and the magnet on the power frame pushes the magnet on the sliding block to move, so that the magnet drives the sliding block to move, and the sliding block drives the connecting rod to move, so that the connecting rod Push the splint to move upwards, so that the splint will hold the wire against the conductive frame, so that the wire can be fixed to prevent the wire from moving. After the insulating handle is released, the conductive frame is still located in the conductive frame under the influence of the gravity of the support rod itself, so that It can prevent the wire from being separated from the power connection frame and the conductive frame, and the connection can be more reliable; after the conductive frame is electrically connected to the wire, the power is transmitted to the terminal frame through the conductive rod and the wire, and then transmitted to the grounding wire for grounding. Improve safety; when the power connection frame needs to be removed, push the support rod upwards, and the wire is stuck on the conductive frame, so that the conductive frame moves downward relative to the power connection frame, so that the conductive frame can be pushed out from the power connection frame, and the power connection frame Unblock the conductive frame, the magnet on the power connecting frame is separated from the magnet on the sliding block, and the elastic member pushes the sliding block to separate, so that the splint moves downward, and the limit to the wire is released, so that the connecting frame can be removed Next; this application is easy to operate. When in use, you only need to hang and pull on the wire to complete the connection between the conductive frame and the wire. The frame and the splint release the restriction on the electric wires, so that the power connecting frame can be removed from the electric wires, which is convenient for operation.

Description of drawings

Fig. 1 is the structural representation of embodiment among the present invention;

Fig. 2 is a structural cross-sectional view of an embodiment of the present invention;

Fig. 3 is a schematic diagram of a partially enlarged structure at A in Fig. 1;

FIG. 4 is a schematic diagram of a partially enlarged structure at B in FIG. 2 .

Reference signs: 1, support rod; 2, power connection frame; 3, conductive frame; 301, clamping groove; 4, splint; 5, moving mechanism; 501, connecting rod; 502, sliding block; 503, guide rail; 504 , elastic member; 6, magnet; 7, slide bar; 8, push spring; 9, limit post; 10, conductive rod; 11, wiring frame; 12, wire; Copper pad; 1303, contact nut; 1304, bolt; 14, grounding wire; 15, insulating handle; 16, extension rod.

Detailed ways

Embodiment one

As shown in Figures 1-3, an insulating ground rod clamp proposed by the present invention includes a support rod 1, a power connection frame 2, a conductive frame 3, a splint 4, a conductive rod 10, a terminal frame 11, a wire 12, and a ground wire 14. and insulating handle 15;

The power connection frame 2 is arranged on the upper end of the support rod 1; the conductive frame 3 is slidably arranged in the power connection frame 2; the power connection frame 2 is provided with a push spring 8 for pushing the conductive frame 3 to move; the splint 4 is slidably arranged on the conductive frame 3 Above; the conductive frame 3 is provided with a moving mechanism 5 for driving the splint 4 to move; the support rod 1 is provided with a magnet 6 for driving the splint 4 to move; the conductive rod 10 is arranged on the conductive frame 3; the conductive rod 10 and the conductive frame 3 Electrically connected; the conductive rod 10 is slidably connected to the connecting frame 2; the connecting frame 11 is arranged on the connecting frame 2; the connecting frame 11 is electrically connected to the conductive rod 10 through a wire 12; , and can be detachably connected; the insulating handle 15 is arranged at the lower end of the support rod 1 .

Moving mechanism 5 comprises connecting rod 501, sliding block 502, guide rail 503 and elastic piece 504; Both ends are slidingly arranged on the guide rail 503; the two ends of the connecting rod 501 are respectively connected with the sliding block 502 and the splint 4 in rotation; 502 connection; magnet 6 is provided with a plurality of, and a plurality of magnets 6 are respectively arranged on the power connection frame 2 and the sliding block 502;

A limit column 9 is arranged on the power connection frame 2; the limit column 9 is located at the upper end of the conductive frame 3; the conductive frame 3 abuts with the limit column 9; the conductive frame 3 is limited and supported by the limit column 9, so that the magnet 6 is able to align.

Both the conductive frame 3 and the splint 4 are provided with a wire clamping groove 301; the wire clamping groove 301 is in an arc-shaped structure, and is arranged symmetrically; The wires are connected to prevent the wires from moving.

A slide bar 7 is arranged on the power connection frame 2; the conductive frame 3 is slidably arranged on the slide bar 7; the conductive frame 3 is guided by the slide bar 7, so that the conductive frame 3 moves more stably.

It also includes an extension rod 16; the extension rod 16 is threadedly connected with the insulating handle 15 and is detachably connected; the relative length of the support rod 1 can be increased through the extension rod 16, so that it can be used conveniently.

The present invention also proposes a method for using the insulating ground rod clamp, comprising the following steps:

S1. When not connected to the electric wire, first connect the grounding wire 14 to the grounding wire. At this time, the conductive frame 3 is located at the lower end of the connecting frame 2. The moving mechanism 5 drives the splint 4 to move downward, so that the splint 4 moves to the conductive frame 3 Inside;

S2, hold the insulating handle 15, support the power connection frame 2 through the support rod 1, move the power connection frame 2 to the electric wire, put the power connection frame 2 on the electric wire, and the electric wire is located in the conductive frame 3;

S3. Pull the support rod 1 downward, the support rod 1 drives the power connection frame 2 to move, and the power connection frame 2 drives the conductive frame 3 to move, so that the conductive frame 3 moves upward relative to the power connection frame 2;

S4, the magnet 6 can push the splint 4 to move, so that the splint 4 clamps the electric wire on the conductive frame 3, and fixes the electric wire;

S5, loosen the insulating handle 15, the conductive frame 3 is supported by the gravity of the support rod 1 and the power connection frame 2, so that the conductive frame 3 is still stuck on the electric wire, preventing the conductive frame 3 from being separated from the electric wire;

S6. When it is necessary to remove the power connection frame 2, push the support rod 1 upwards, so that the electric wire moves downward relative to the power connection frame 2, and drives the conductive frame 3 to move downward to remove the blockage of the conductive frame 3. The moving mechanism 5 can Push the splint 4 to separate from the upper end of the conductive frame 3, so that the wire can be removed from between the conductive frame 3 and the splint 4, and then removed from the power connection frame 2 to remove the wire;

S7. The current is connected to the terminal frame 11 through the conductive rod 10 and the wire 12, and then transmitted to the ground wire 14 for grounding.

In this embodiment, before connecting the electric wires, the grounding wire 14 is first connected to the grounding wire, the push spring 8 pushes the conductive frame 3 to move downward, and the moving mechanism 5 pushes the splint 4 to move downward, so that the conductive frame 3 exposes the opening and can put the electric wire , hold the insulating handle 15 to prevent electric shock, support the power connection frame 2 through the support rod 1, move the power connection frame 2 to the wire, align the openings of the power connection frame 2 and the conductive frame 3 with the wire, and put the wire into the conductive Between the upper end of the frame 3 and the splint 4, the support rod 1 is pulled downward, and the conductive frame 3 is stuck on the electric wire, so that the conductive frame 3 moves upward relative to the power-connecting frame 2, so that the power-connecting frame 2 seals the conductive frame 3 to prevent the wires from sliding down from the power frame 2. When the conductive frame 3 is completely moved into the power frame 2, the magnet 6 on the power frame 2 is just aligned with the magnet 6 on the sliding block 502, and the power frame The magnet 6 on the 2 pushes the magnet 6 on the sliding block 502 to move, so that the magnet 6 drives the sliding block 502 to move, and the sliding block 502 drives the connecting rod 501 to move, so that the connecting rod 501 pushes the splint 4 to move upward, so that the splint 4 pushes the wire against the on the conductive frame 3, so that the wires can be fixed to prevent the wires from moving. After the insulating handle 15 is released, the conductive frame 3 is still located in the power connection frame 2 under the influence of the gravity of the support rod 1 itself, so that the wires can be prevented from being connected to the power connection. The frame 2 and the conductive frame 3 are separated, and the connection can be more reliable; after the conductive frame 3 is electrically connected to the electric wire, the electric power is transmitted to the terminal frame 11 through the conductive rod 10 and the conductive wire 12, and then transmitted to the grounding wire 14 for grounding , to improve safety; when the power connection frame 2 needs to be removed, push the support rod 1 upwards, and the wires are stuck on the conductive frame 3, so that the conductive frame 3 moves downward relative to the power connection frame 2, so that the conductive frame 3 can be pushed from the power connection The frame 2 is moved out, the electric frame 2 releases the blocking of the conductive frame 3, the magnet 6 on the electric frame 2 is separated from the magnet 6 on the sliding block 502, and the elastic member 504 pushes the sliding block 502 to separate, so that the splint 4 Move down to release the limit on the wires, so that the power connection frame 2 can be removed; this application is easy to operate, and when in use, just hang and pull on the wires to complete the connection between the conductive frame 3 and the wires , when dismounting, only need to push up, can make the power connection frame 2, the conductive frame 3 and the splint 4 release the limit to the electric wire, thereby can take off the power connection frame 2 from the electric wire, convenient operation.

Embodiment two

As shown in Figures 1-3, a kind of insulated ground rod clamp proposed by the present invention, compared with Embodiment 1, is provided with a connection device 13 on the wiring frame 11 in this embodiment; the connection device 13 includes a pad 1301, a copper Sheet pad 1302, abutting nut 1303 and bolt 1304; pad 1301 is arranged on the wiring frame 11, bolt 1304 is arranged on the pad 1301; copper pad 1302 is slidably arranged on the bolt 1304; abutting nut 1303 and bolt 1304 are threaded connection; the abutting nut 1303 abuts against the copper pad 1302 ; the ground wire 14 is electrically connected to the copper pad 1302 ; the pad 1301 is electrically connected to the wire 12 .

In this embodiment, when installing the ground wire 14, the abutment nut 1303 is unscrewed from the bolt 1304, the copper pad 1302 is placed on the bolt 1304, and the abutment nut 1303 is screwed on, so that the abutment nut 1303 holds the copper The pad 1302 abuts against the pad 1301, so that the wire 12 can be electrically connected with the copper pad 1302, and then transferred to the ground wire 14 to complete the grounding operation.

The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and within the scope of knowledge possessed by those skilled in the art, various Variety.

Claims (8)

1. An insulating grounding rod clamp is characterized by comprising a supporting rod (1), a grounding frame (2), a conducting frame (3), a clamping plate (4), a conducting rod (10), a wiring frame (11), a conducting wire (12), a grounding wire (14) and an insulating handle (15);

the power receiving frame (2) is arranged at the upper end of the supporting rod (1); the conductive frame (3) is arranged in the power receiving frame (2) in a sliding way; a pushing spring (8) for pushing the conductive frame (3) to move is arranged on the power receiving frame (2); the clamping plate (4) is arranged on the conductive frame (3) in a sliding way; a moving mechanism (5) for driving the clamping plate (4) to move is arranged on the conductive frame (3); a magnet (6) for driving the clamping plate (4) to move is arranged on the supporting rod (1); the conducting rod (10) is arranged on the conducting frame (3); the conducting rod (10) is electrically connected with the conducting frame (3); the conducting rod (10) is connected with the power receiving frame (2) in a sliding way; the wiring frame (11) is arranged on the power connection frame (2); the wiring frame (11) is electrically connected with the conducting rod (10) through a conducting wire (12); the grounding wire (14) is electrically connected with the wiring frame (11) and is detachably connected with the wiring frame; the insulating handle (15) is arranged at the lower end of the supporting rod (1).

2. An insulating grounding bar clamp according to claim 1, characterized in that the moving mechanism (5) comprises a connecting rod (501), a sliding block (502), a guide rail (503) and an elastic member (504); the guide rail (503) is arranged on the conductive frame (3); the connecting rod (501), the sliding block (502) and the elastic piece (504) are respectively provided with two parts; both sliding blocks (502) are arranged on the guide rail (503) in a sliding way; two ends of the connecting rod (501) are respectively connected with the sliding block (502) and the clamping plate (4) in a rotating way; the elastic piece (504) is arranged on the outer periphery side of the guide rail (503), and two ends of the elastic piece (504) are respectively connected with the conductive frame (3) and the sliding block (502); the plurality of magnets (6) are arranged, and the plurality of magnets (6) are respectively arranged on the power receiving frame (2) and the sliding block (502); the magnets (6) on the sliding block (502) are connected with the magnets (6) on the power receiving frame (2) in a like-pole repulsive manner.

3. An insulating grounding bar clamp according to claim 1, characterized in that the terminal frame (11) is provided with connecting means (13); the connecting device (13) comprises a pad table (1301), a copper sheet pad (1302), an abutting nut (1303) and a bolt (1304); the pad table (1301) is arranged on the wiring frame (11), and the bolts (1304) are arranged on the pad table (1301); the copper sheet pad (1302) is arranged on the bolt (1304) in a sliding way; the abutting nut (1303) is in threaded connection with the bolt (1304); the abutting nut (1303) abuts against the copper sheet pad (1302); the grounding wire (14) is electrically connected with the copper sheet pad (1302); the pad (1301) is electrically connected with the wire (12).

4. An insulating grounding bar clamp according to claim 1, characterized in that the grounding bar (2) is provided with a limit post (9); the limit column (9) is positioned at the upper end of the conductive frame (3); the conducting frame (3) is abutted with the limiting column (9).

5. An insulating grounding bar clamp according to claim 1, characterized in that the conducting frame (3) and the clamping plate (4) are provided with clamping grooves (301); the wire clamping grooves (301) are of arc-shaped structures and are symmetrically arranged.

6. An insulating grounding bar clamp according to claim 1, characterized in that the grounding bar (2) is provided with a slide bar (7); the conductive frame (3) is arranged on the sliding rod (7) in a sliding way.

7. An insulating grounding bar clamp according to claim 1, further comprising an extension bar (16); the extension bar (16) is in threaded connection with the insulating handle (15) and is detachably connected.

8. The insulating grounding bar clamp according to claim 1, further providing a method of using the insulating grounding bar clamp, comprising the steps of:

s1, when the grounding wire is not connected with an electric wire, connecting a grounding wire (14) with the grounding wire, wherein the conductive frame (3) is positioned at the lower end of the grounding frame (2), and the moving mechanism (5) drives the clamping plate (4) to move downwards, so that the clamping plate (4) moves into the conductive frame (3);

s2, holding an insulating handle (15), supporting the electric connection frame (2) through the supporting rod (1), moving the electric connection frame (2) to an electric wire, sleeving the electric connection frame (2) on the electric wire, and positioning the electric wire in the conductive frame (3);

s3, pulling the supporting rod (1) downwards, wherein the supporting rod (1) drives the power connection frame (2) to move, and the power connection frame (2) drives the conductive frame (3) to move, so that the conductive frame (3) moves upwards relative to the power connection frame (2);

s4, enabling the magnet (6) to push the clamping plate (4) to move, enabling the clamping plate (4) to clamp the electric wire on the conductive frame (3), and fixing the electric wire;

s5, loosening the insulating handle (15), and holding the conductive frame (3) by the gravity of the supporting rod (1) and the power receiving frame (2), so that the conductive frame (3) is still clamped on the electric wire to prevent the conductive frame (3) from being separated from the electric wire;

s6, when the power receiving frame (2) needs to be taken down, the supporting rod (1) is pushed upwards, so that the electric wire moves downwards relative to the power receiving frame (2), the conductive frame (3) is driven to move downwards, the blocking of the conductive frame (3) is relieved, the moving mechanism (5) can push the clamping plate (4) to be separated from the upper end of the conductive frame (3), the electric wire can be moved out from between the conductive frame (3) and the clamping plate (4), and then is moved out from the power receiving frame (2), and the electric wire is taken down;

and S7, connecting the current with the wiring frame (11) through the conducting rod (10) and the conducting wire (12), and then transmitting the current to the grounding wire (14) for grounding.

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