CN214378882U - Bow-shaped pressing type electricity-testing grounding connection wire clamp - Google Patents

Abstract

The utility model discloses an arch-shaped pressing-type electricity-testing grounding connection wire clamp, which comprises a fixed piece, a movable piece and a locking piece, wherein the locking piece is connected with the fixed piece and the movable piece and extrudes the movable piece so as to enable the fixed piece and the movable piece to clamp a wire, and the fixed piece is fixedly connected with a fixed ring; be equipped with on the retaining member and prevent changeing the portion, prevent changeing portion and insulating bar phase-match, restrict bow-shaped pressing mode and test that electricity ground connection continues the fastener and rotate. The beneficial effects of the utility model are that, be provided with between operation ring and the limiting plate and prevent changeing the portion, prevent changeing the portion and be platelike structure, prevent changeing the portion and can use with the insulating bar cooperation, change into the face contact by the point contact between insulating bar and the fastener, increased area of contact, avoid taking place to rotate in operation process.

Description

Bow-shaped pressing type electricity-testing grounding connection wire clamp

Technical Field

The utility model relates to a line detection instrument technical field, especially bow-shaped pressing mode test electric ground connection fastener that continues.

Background

In a 10-20kV overhead distribution line, a compression-type wire clamp is usually adopted to clamp a wire when the line is used for electricity testing and grounding in daily life, and the compression-type wire clamp can be used as a branch line or an on-column transformer station T-joint and a line arrester, a voltage transformer and a power capacitor for continuous use by matching with an arc-shaped compression-type wire clamp hook. In the use, the shackle of the insulating operating rod is used for hooking the operating ring on the wire clamp, so that the live-line installation and removal operation of the wire clamp is realized, but in the operating process, because the shackle and the operating ring are in point contact, the wire clamp is easy to rotate and the like in operation, the working efficiency is reduced, and meanwhile, the potential safety hazard is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems, an arch-shaped pressing type electricity-testing grounding connection wire clamp is designed, which comprises a fixed part, a movable part and a locking part, wherein the locking part is connected with the fixed part and the movable part and extrudes the movable part to enable the fixed part and the movable part to clamp a wire, and the fixed part is fixedly connected with a fixed ring;

the fixing piece comprises an arch-shaped element and support rod pieces, one end of the arch-shaped element is a clamping end, the support rod pieces are arranged at the other end of the arch-shaped element, and the support rod pieces are symmetrically arranged on two sides of the arch-shaped element;

the movable piece comprises a first arched bottom support, a second arched bottom support and a connecting part, the first arched bottom support and the second arched bottom support are integrally formed, and the first arched bottom support and the clamping end of the arched element form a clamping area;

be equipped with on the retaining member and prevent changeing the portion, prevent changeing portion and insulating bar phase-match, restrict bow-shaped pressing mode and test that electricity ground connection continues the fastener and rotate.

And a reinforcing rib is fixed at the top of the arch element.

The end part of the clamping end of the arch element is provided with a pressing block which tends to be closed towards the direction of the movable piece.

The bracing piece spare includes first bracing piece and second bracing piece, first bracing piece with bow-shaped component integrated into one piece, the second bracing piece with gu fixed ring die-casting is connected, the second bracing piece with gu fixed ring's axis is parallel, first bracing piece with be an acute angle between the second bracing piece.

The retaining member comprises an annular bolt, a first through hole is formed in the arched element, a second through hole is formed in the moving member, and the annular bolt sequentially penetrates through the second through hole, the first through hole, the arched element and the moving member and is connected with the arched element through threads.

The ring bolt includes operating ring, limiting plate and threaded rod, the limiting plate is located the threaded rod with between the operating ring, the limiting plate is followed the radial of threaded rod stretches out, the area of limiting plate can cover the second through-hole, prevent that the portion of changeing sets up the operating ring with between the limiting plate, prevent that the portion of changeing is rectangle platelike structure, insulating bar with prevent changeing portion phase-match all around, the restriction bow-shaped compact form electricity test ground connection fastener rotates.

Connecting portion include connecting block and connecting rod, the connecting rod with the bow-shaped collet fixed connection of second, the connecting block with connecting rod fixed connection, bow-shaped component is close to third through-hole and fourth through-hole that run through each other are seted up to the one end of first bracing piece, the connecting block inserts the third through-hole with the inside of fourth through-hole, the third through-hole is held the connecting block, the fourth through-hole is held the connecting rod, the moving part is rotatable in order to press from both sides tight wire.

The connecting block is the T type, when the moving part rotates, the connecting block with the one end that the connecting rod is connected is followed the third through-hole moves, the connecting block is kept away from the one end of connecting rod is supported so that on the bow-shaped component can not drop between the moving part the bow-shaped component with the moving part, the connecting rod holds in the fourth through-hole and wherein remove.

Utilize the technical scheme of the utility model the bow-shaped pressing mode of preparation is tested electric ground connection and is pressed from both sides, the beneficial effect who reaches: the anti-rotation part is arranged between the operating ring and the limiting plate and is of a plate-shaped structure, the anti-rotation part can be matched with the insulating operating rod for use, the insulating operating rod is in surface contact with the wire clamp instead of point contact, the contact area is increased, and rotation in the operating process is avoided; an acute angle included angle is formed between the first supporting rod and the second supporting rod, so that the center of gravity of the wire clamp is more stable, and the wire clamp can not be inclined when hung for a long time.

Drawings

Fig. 1 is a front view of the arch-shaped pressing type electricity-testing grounding connection wire clamp of the present invention;

fig. 2 is a perspective view of the arch-shaped pressing type electricity-testing grounding connection wire clamp of the present invention;

fig. 3 is a schematic view of a fixing member structure of the arch-shaped pressing type electricity-testing grounding connection wire clamp of the present invention;

fig. 4 is a schematic structural view of a movable member of the arch-shaped pressing type electricity-testing grounding connection wire clamp of the present invention;

FIG. 5 is a schematic structural view of the insulated operating rod of the present invention;

in the figure, 1, a fixing piece; 2. a movable member; 3. a fixing ring; 4. an arcuate member; 5. supporting the rod member; 6. a first arcuate shoe; 7. a second arcuate shoe; 8. a connecting portion; 9. reinforcing ribs; 10. a compression block; 11. a first support bar; 12. a second support bar; 13. an annular bolt; 14. a second through hole; 15. an operating ring; 16. a limiting plate; 17. a threaded rod; 18. a rotation prevention section; 19. a connecting rod; 20. connecting blocks; 21. a third through hole; 22. a fourth via hole; 23. an elastic washer; 24. a cross bar; 25. a vertical rod; 26. a first through hole; 27. an insulating operating rod; 28. a shackle; 29. a sliding handle; 30. and (4) operating the head.

Detailed Description

For better understanding of the present invention, the present invention will be further described with reference to the following specific embodiments and accompanying drawings, and the arch-shaped pressing type connecting wire clamp for testing the electric ground is provided. As shown in fig. 1, the clamping device comprises a fixed member 1, a movable member 2 and a locking member, wherein the locking member is connected with the fixed member 1 and the movable member 2 and presses the movable member 2 to enable the fixed member 1 and the movable member 2 to clamp a wire, and the fixed member 1 is fixedly connected with a fixed ring 3. The fixed part 1 is connected together through the retaining member with the moving part 2, forms a clamping area between fixed part 1 and the moving part and can press from both sides tight wire, and wherein, the moving part 2 can carry out the removal in position and make with better clamp tight wire, and solid fixed ring 3 chooses for use the copper material to make, and solid fixed ring 3 plays the effect of ground connection.

As shown in fig. 1-3, the fixing member 1 comprises an arch member 4 and a support rod 5, wherein one end of the arch member 4 is a clamping end, the other end of the arch member 4 is provided with the support rod 5, and the support rods 5 are symmetrically arranged on two sides of the arch member 4. The support rod piece 5 is used for supporting the arch-shaped element 4 and adjusting the gravity center of the whole arch-shaped compression type electricity testing grounding connection wire clamp so as to ensure that the phenomenon of side deflection does not occur in the process of clamping a wire. The clamping end of the arched element 4 is arched, so that the wire can be uniformly stressed when clamped in the arched element, and the clamping is more stable.

As shown in fig. 1, 2 and 4, the movable member 2 includes a first arcuate base 6, a second arcuate base 7 and a connecting portion 8, the first arcuate base 6 and the second arcuate base 7 are integrally formed, and the first arcuate base 6 and the clamping end of the arcuate member 4 form a clamping area. The first arcuate shoe 6 forms a clamping area with the arcuate element 4 during the approach of the arcuate element 4, which allows the wire to be clamped. The moving part 2 is designed in a double-arch shape, and the arch structure is characterized by elasticity and firmness. When force is applied to any place on the arch, the force can be uniformly dispersed all around, so that the arch can bear larger pressure under the condition of same material and thickness.

As shown in fig. 1, the locking member is provided with a rotation prevention portion 18, and the rotation prevention portion 18 is matched with the insulation operation 27 to limit the rotation of the bow-shaped compression type electricity testing grounding connection wire clamp. The rotation prevention part 18 is matched with the insulating operating rod together, so that the wire clamp is prevented from rotating during operation, and the working stability is improved. Insulating bar 27 is shooting gun type insulating bar 27, and when the fastener promoted near the wire, bow-shaped pressing mode was tested the operating head 30 of electric ground connection fastener and is prevented changeing 18 phase-matchs, and then, operation slip handle 29 stretches out the operating lever outside with shackle 28, and shackle 28 catches on operating ring 15, screws up annular bolt 13, and then changes the distance of two clamp ends to press from both sides the wire tightly.

As shown in fig. 2, a reinforcing rib 9 is fixed on the top of the arch element 4. The reinforcing ribs 9 are arranged to improve the overall strength of the cable clamp due to the fact that the clamping end of the arch-shaped element 4 is thin.

As shown in fig. 3, the end of the clamping end of the arcuate element 4 has a pressing block 10 that tends to converge in the direction of the moving member 2. The two ends of the clamping end of the arch element 4 are folded, the middle part is an arc-shaped area, and the folded part is in smooth transition with the arc-shaped area. Meanwhile, stress on different positions of the wire can be uniform, and the phenomenon of local damage is avoided.

As shown in fig. 1-2, the support rod 5 includes a first support rod 11 and a second support rod 12, the first support rod 11 is integrally formed with the arch element 4, the second support rod 12 is die-cast with the fixing ring 3, the second support rod 12 is parallel to the axis of the fixing ring 3, and an acute angle is formed between the first support rod 11 and the second support rod 12. Support rod 5 and bow-shaped component 4 are through casting integrated into one piece, and first bracing piece 11 plays the effect that supports bow-shaped component 4 and keep fastener focus stable simultaneously with second bracing piece 12, and preferably, the axis of first bracing piece 11 and second bracing piece 12 is 45 degrees contained angles settings, the focus of balanced whole fastener for the fastener avoids crooked in the course of the work. The fixed ring 3 is a grounding ring which is vertically arranged, and the wire is horizontally arranged, namely the fixed ring 3 is perpendicular to the wire, so that the eccentric moment between the wire clamp and the wire due to long-time use is reduced.

As shown in fig. 1 to 4, the locking member includes a ring bolt 13, a first through hole 26 is formed on the arcuate element 4, a second through hole 14 is formed on the movable member 2, and the ring bolt 13 sequentially passes through the second through hole 14 and the first through hole 26 and is connected to the arcuate element 4 and the movable member 2 through threads. During clamping, the position of the movable element 2 is adjusted according to the diameter of the wire, so that the clamping area between the arcuate element 4 and the first arcuate mounting 6 pre-clamps the wire, and then the annular bolt 13 is passed through the second through hole 14 and the first through hole 26 in sequence, during which the second arcuate mounting 7 portion of the movable element 2 is pressed, so that the clamping area between the first arcuate mounting 6 and the arcuate element 4 clamps the wire stably. The locking function is realized by adopting the annular bolt 13, the connection is stable, the falling is not easy to occur, and meanwhile, the operation is simple and convenient.

As shown in fig. 1, ring bolt 13 includes operation ring 15, limiting plate 16 and threaded rod 17, limiting plate 16 is located threaded rod 17 with between the operation ring 15, limiting plate 16 follows threaded rod 17 radially stretches out, limiting plate 16's area can cover second through-hole 14, prevent that portion 18 sets up operation ring 15 with between the limiting plate 16, prevent that portion 18 is the rectangle platelike structure, insulating bar and prevent that portion 18 matches all around, and the restriction bow-shaped compact form tests the electricity ground connection and continues the fastener and rotate. In the locked state, the stopper plate 16 functions to restrict the position of the ring bolt 13, and since the stopper plate 16 has an area covering the second through hole 14, the stopper plate 16 blocks the operating ring 15 outside the second through hole 14 when the stopper plate 16 is in contact with the second bow shoe 7. Optionally, an elastic washer 23 may be further installed on the position limiting plate 16 to prevent the position limiting plate 16 from scraping the second arched bottom support 7. The rotation prevention part 18 is of a rectangular structure, is convenient to match with an insulating operating rod, prevents the wire clamp from rotating during operation, and improves the working stability.

As shown in fig. 4, the connecting portion 8 includes a connecting block 20 and a connecting rod 19, the connecting rod 19 is fixedly connected to the second bow-shaped base 7, the connecting block 20 is fixedly connected to the connecting rod 19, a third through hole 21 and a fourth through hole 22, which are mutually penetrated, are formed at one end of the bow-shaped element 4 close to the first supporting rod 11, the connecting block 20 is inserted into the third through hole 21 and the fourth through hole 22, the third through hole 21 accommodates the connecting block 20, the fourth through hole 22 accommodates the connecting rod 19, and the movable member 2 is rotatable to clamp a wire. The connecting block 20 is T-shaped, when the movable member 2 rotates, one end of the connecting block 20 connected with the connecting rod 19 moves along the third through hole 21, one end of the connecting block 20 far away from the connecting rod 19 abuts against the arch-shaped element 4 so that the arch-shaped element 4 and the movable member 2 cannot fall off, and the connecting rod 19 is accommodated in the fourth through hole 22 and moves therein. The connecting block 20 is divided into a cross bar 24 and a vertical bar 25, when the fixed member 1 and the movable member 2 are connected together, the movable member 2 is rotated to enable the cross bar 24 to extend out of the fixed member 1 along the third through hole 21, and then the movable member 2 is rotated back to an initial state to enable the arch-shaped element 4 and the first arch-shaped bottom support 6 to correspond to each other to form a clamping area, at the moment, the cross bar 24 abuts against the outer wall of the arch-shaped element 4, and the vertical bar 25 is accommodated in the third through hole 21; the movable part 2 can rotate along the cross rod 24, the vertical rod 25 is fixedly connected with the connecting rod 19, the connecting rod 19 rotates along the cross rod 24 to clamp a wire when the annular bolt 13 extrudes the movable part 2, and the end part of the connecting rod 19 is accommodated in the fourth through hole 22, so that the movable part is smoother in the rotating process.

The working principle is as follows:

the fixing member 1 and the moving member 2 are rotatably arranged, an arch-shaped element 4 is arranged at one end of the fixing member 1, a first arch-shaped bottom support 6 is arranged at one end of the moving member 2, a clamping area is formed between the arch-shaped element 4 and the first arch-shaped bottom support 6, a wire is accommodated in the clamping area, the annular bolt 13 sequentially penetrates through the second through hole 14 and the first through hole 26 and is in threaded connection with the moving member 2 and the fixing member 1, and the first arch-shaped bottom support 6 rotates and extrudes the wire to clamp the wire in the tightening process of the annular bolt 13. The arch element 4 and the support rod piece 5 are integrally formed, and meanwhile, an acute included angle is formed between the first support rod 11 and the second support rod 12, so that the integral gravity center of the wire clamp is more stable, and the wire clamp cannot be skewed after being hung for a long time; the anti-rotation portion 18 in a rectangular shape is arranged on the annular bolt 13, so that the annular bolt can be conveniently matched with an insulating operating rod, the wire clamp is prevented from rotating during operation, and the working stability is improved.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims (8)

1. The bow-shaped compression type electroscopic grounding connection wire clamp is characterized by comprising a fixing piece (1), a moving piece (2) and a locking piece, wherein the locking piece is connected with the fixing piece (1) and the moving piece (2) and extrudes the moving piece (2) to enable the fixing piece (1) and the moving piece (2) to clamp a wire, and the fixing piece (1) is fixedly connected with a fixing ring (3);

the fixing piece (1) comprises an arched element (4) and a support rod piece (5), one end of the arched element (4) is a clamping end, the support rod piece (5) is arranged at the other end of the arched element (4), and the support rod piece (5) is symmetrically arranged on two sides of the arched element (4);

the movable piece (2) comprises a first arched bottom support (6), a second arched bottom support (7) and a connecting part (8), the first arched bottom support (6) and the second arched bottom support (7) are integrally formed, and a clamping area is formed by the first arched bottom support (6) and a clamping end of the arched element (4);

be equipped with on the retaining member and prevent changeing portion (18), prevent changeing portion (18) and insulating bar phase-match, restriction bow-shaped pressing mode electricity test ground connection fastener rotates.

2. The arch-shaped compression-type electricity-testing grounding splicing clamp according to claim 1, characterized in that a reinforcing rib (9) is fixed on the top of the arch-shaped element (4).

3. The arch-shaped compression-type electroscopic earthing splice clamp as claimed in claim 1, characterized in that the end of the clamping end of the arch-shaped element (4) is provided with a compression block (10) which tends to converge towards the moving member (2).

4. The bow-shaped compression type electroscopic ground connection wire clamp according to claim 1, wherein the supporting rod member (5) comprises a first supporting rod (11) and a second supporting rod (12), the first supporting rod (11) and the bow-shaped element (4) are integrally formed, the second supporting rod (12) is die-cast with the fixing ring (3), the second supporting rod (12) is parallel to the axis of the fixing ring (3), and an acute angle is formed between the first supporting rod (11) and the second supporting rod (12).

5. The bow-shaped compression-type electroscopic grounding splicing clamp as claimed in claim 4, wherein the locking member comprises a ring-shaped bolt (13), a first through hole (26) is formed in the bow-shaped element (4), a second through hole (14) is formed in the movable member (2), and the ring-shaped bolt (13) sequentially passes through the second through hole (14), the first through hole (26) and is in threaded connection with the bow-shaped element (4) and the movable member (2).

6. The bow-shaped pressing type electricity testing grounding connection wire clamp according to claim 5, wherein the ring bolt (13) comprises an operating ring (15), a limiting plate (16) and a threaded rod (17), the limiting plate (16) is located between the threaded rod (17) and the operating ring (15), the limiting plate (16) is along the radial extension of the threaded rod (17), the area of the limiting plate (16) can cover the second through hole (14), the rotation prevention part (18) is arranged between the operating ring (15) and the limiting plate (16), the rotation prevention part (18) is a rectangular plate-shaped structure, the insulating operating rod is matched with the rotation prevention part (18) in the periphery, and the bow-shaped pressing type electricity testing grounding connection wire clamp is limited to rotate.

7. The bow-shaped compression-type electricity-testing grounding connection wire clamp according to claim 6, wherein the connecting portion (8) comprises a connecting block (20) and a connecting rod (19), the connecting rod (19) is fixedly connected with the second bow-shaped bottom support (7), the connecting block (20) is fixedly connected with the connecting rod (19), one end of the bow-shaped element (4) close to the first supporting rod (11) is provided with a third through hole (21) and a fourth through hole (22) which penetrate through each other, the connecting block (20) is inserted into the third through hole (21) and the fourth through hole (22), the third through hole (21) accommodates the connecting block (20), the fourth through hole (22) accommodates the connecting rod (19), and the movable member (2) is rotatable to clamp a wire.

8. The arch-shaped compression type electroscopic ground connection wire clamp according to claim 7, wherein the connecting block (20) is T-shaped, when the movable member (2) rotates, one end of the connecting block (20) connected with the connecting rod (19) moves along the third through hole (21), one end of the connecting block (20) far away from the connecting rod (19) abuts against the arch-shaped element (4) so that the arch-shaped element (4) and the movable member (2) cannot fall off, and the connecting rod (19) is accommodated in the fourth through hole (22) and moves therein.

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