CN111267042A

CN111267042A - General pin pulling pliers for distribution lines

Info

Publication number: CN111267042A
Application number: CN202010180565.8A
Authority: CN
Inventors: 符方炫; 王睿奇
Original assignee: Guangdong Power Grid Co Ltd; Zhanjiang Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Zhanjiang Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2020-06-12

Abstract

The invention provides a universal pin pulling clamp for distribution lines, which is characterized in that two clamp heads with positioning grooves are hinged through a connecting block, a handle at the rear end and a connecting support plate are combined, the universal pin pulling clamp is beneficial to being inserted into a pin gap for positioning, and then pulling is carried out through leverage, so that the universal pin pulling clamp is convenient and labor-saving; the locking threaded rod is connected through the long through groove, so that the two handles can be combined and positioned, and the stability in use is improved; the locking nuts are connected to the two ends of the locking threaded rod, so that the handle can be tightly pushed for connection, and the locking screw is safe, stable and beneficial to use; the side surface of the handle is tightly pushed by the pressing sleeve, so that the slipping looseness can be avoided, and the adjusting stability is ensured.

Description

General pin pulling pliers for distribution lines

Technical Field

The invention relates to the field of electric power tools, in particular to universal pin pulling pliers for a distribution line.

Background

During installation and maintenance of a distribution line, the insulator needs to be maintained, so that the installed M-shaped pin and the installed R-shaped pin need to be pulled out, and pin pulling pliers are usually used.

However, the existing pin pulling pliers can only adapt to a positioning pin with one shape, are not beneficial to pulling out the pin connected to the inside of the gap, have poor universality, are not beneficial to stable clamping, are easy to fall off during pulling-out action, have low safety and need to be improved.

Disclosure of Invention

The invention provides universal pin pulling pliers for distribution lines, which can stably tension a plier head and avoid loosening, so that the convenience and stability of use can be greatly improved, and the universality and the high efficiency are ensured.

In order to achieve the technical effects, the technical scheme of the invention is as follows:

the universal pin pulling pliers for the distribution lines comprise a connecting block, wherein an articulated shaft is fixedly connected to the side face of the connecting block, connecting plates are hinged to the surfaces of two sides of the articulated shaft, a binding clip is fixedly connected to the other end of the connecting plate, a positioning groove is formed in the surface of the binding clip, a handle is fixedly connected to the other end of the connecting plate, an operating ring is fixedly connected to the surface of one side of the handle, a connecting threaded hole is formed in the end face of the articulated shaft, a connecting threaded head is connected to the side face of the connecting threaded hole in a threaded manner, a supporting plate is fixedly connected to one end of the connecting threaded head, and; the operating ring is sleeved with an insulating anti-skid layer.

Further, the side of handle is equipped with rectangular logical groove, the side sliding connection who rectangular leads to the groove has the locking threaded rod, leads to the groove through rectangular and connects the locking threaded rod, can improve the stability when using with two handle integrated positioning.

Furthermore, the side of the locking threaded rod is connected with a locking nut through a locking threaded hole in a threaded manner, the locking nut is located at two ends of the locking threaded rod, the locking nut is connected to two ends of the locking threaded rod, a handle can be tightly pushed to connect, and the locking nut is safe, stable and beneficial to use.

Furthermore, a side surface of the locking nut is provided with a pressing sleeve, the surface of the pressing sleeve is tightly connected to the side surface of the handle, the side surface of the handle is tightly pressed through the pressing sleeve, so that slipping looseness can be avoided, and the adjusting stability is guaranteed.

Furthermore, the number of the connecting plates and the number of the clamp heads are two, and the connecting plates and the clamp heads are symmetrically connected to the surfaces of two sides of the connecting block.

Compared with the prior art, the technical scheme of the invention has the beneficial effects that:

the invention hinges two binding clip with positioning groove through the connecting block, combines the handle at the rear end and the connecting supporting plate, is beneficial to being inserted into the pin gap for positioning, and then is pulled out through the lever action, thereby being convenient and labor-saving; the locking threaded rod is connected through the long through groove, so that the two handles can be combined and positioned, and the stability in use is improved; the locking nuts are connected to the two ends of the locking threaded rod, so that the handle can be tightly pushed for connection, and the locking screw is safe, stable and beneficial to use; the side surface of the handle is tightly pushed by the pressing sleeve, so that the slipping looseness can be avoided, and the adjusting stability is ensured.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a side, partially schematic view of the binding clip connection of the present invention;

FIG. 3 is an enlarged view of the locking nut connection of FIG. 1 of the present invention at location A;

the reference numbers in the figures illustrate:

1 connecting block, 11 articulated shafts, 12 connecting plates, 13 tong heads, 14 positioning grooves, 15 handles, 16 operating rings, 17 connecting threaded holes, 18 connecting threaded heads, 19 supporting plates, 2 long through grooves, 21 locking threaded rods, 22 locking threaded holes, 23 locking nuts and 24 pressing sleeves.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent;

for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;

it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.

As shown in fig. 1-3, a universal pin pulling pliers for distribution lines comprises a connecting block 1, please refer to fig. 1 and fig. 2, a hinge shaft 11 is fixedly connected to a side surface of the connecting block 1, both side surfaces of the hinge shaft 11 are hinged with connecting plates 12, the other end of the connecting plate 12 is fixedly connected with a binding clip 13, a positioning groove 14 is arranged on the surface of the binding clip 13, when aiming at an R-shaped pin, the two binding clips 13 can be folded and then inserted into a pin gap to facilitate connection and positioning, when aiming at an M-shaped pin, the two binding clips 13 can be inserted into the gap between the two sides and then unfolded, and are clamped on the pin through the positioning groove 14 to avoid loosening, then the handle 15 can be pressed down by using a lever principle through a supporting plate 19 as a fulcrum to facilitate pin pulling out, thereby facilitating pin pulling out, being convenient and stable, having high universality, the other end of the connecting plate 12 is fixedly connected with a, the end face of the hinge shaft 11 is provided with a connecting threaded hole 17, the side face of the connecting threaded hole 17 is in threaded connection with a connecting threaded head 18, one end of the connecting threaded head 18 is fixedly connected with a supporting plate 19, the supporting plate 19 is positioned on the end face of one side of the connecting block 1, the connecting threaded head 18 can be in threaded connection and positioning when not used, and the connecting threaded head 18 can be rotated to increase the length when the connecting block is used, so that stable support is facilitated, and pin pulling is facilitated; in order to prevent misoperation, the operating ring 16 is sleeved with an insulating anti-slip layer.

As shown in fig. 1 and fig. 3, the side of handle 15 is equipped with rectangular logical groove 2, the side sliding connection that rectangular logical groove 2 has locking threaded rod 21, there is locking nut 23 side of locking threaded rod 21 through locking screw hole 22 threaded connection, locking nut 23 is located the both ends head of locking threaded rod 21, a side surface of locking nut 23 is equipped with compresses tightly cover 24, the surface top of compressing tightly cover 24 is connected in the side of handle 15, can be connected to two locking nut 23 the both ends head of locking threaded rod 21, then screw up, can compress tightly the handle 15 of both sides to the inboard like this, and then rotate round articulated shaft 11, can take two binding clip 13 to rotate to the outside and strut, and then guarantee in pin connection's stability, avoid the pine to take off, need not maintain the hand to press from both sides state during operation like this, only can with pushing down, it is convenient high-.

When the pin clamp is used, the pin clamp can be selectively adjusted and used, when an R-shaped pin is used, the two clamp heads 13 can be closed and then inserted into a pin gap to facilitate connection and positioning, when an M-shaped pin is used, the two clamp heads 13 can be inserted into gaps on two sides and then spread, the two clamp heads are clamped on the pin through the positioning grooves 14 to avoid loosening, meanwhile, the two locking nuts 23 can be connected to two ends of the locking threaded rod 21 and then screwed, so that the handles 15 on the two sides can be pressed inwards to rotate around the hinge shaft 11, the two clamp heads 13 can be driven to rotate outwards to spread, the stability of pin connection is ensured, the loosening is avoided, the clamping state is maintained without hands during operation, only pressing is needed, the use is convenient and efficient, the use is facilitated, then the handles 15 can be pressed down through the support plate 19 as a fulcrum by adopting a lever principle to facilitate pin extraction, convenient and stable, and high in universality.

The same or similar reference numerals correspond to the same or similar parts;

the positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent;

it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The universal pin pulling pliers for the distribution line comprises a connecting block (1) and is characterized in that, a hinge shaft (11) is fixedly connected to the side surface of the connecting block (1), connecting plates (12) are hinged to the surfaces of the two sides of the hinge shaft (11), the other end of the connecting plate (12) is fixedly connected with a tong head (13), the surface of the tong head (13) is provided with a positioning groove (14), the other end of the connecting plate (12) is fixedly connected with a handle (15), the surface of one side of the handle (15) is fixedly connected with an operating ring (16), the end surface of the articulated shaft (11) is provided with a connecting threaded hole (17), the side surface of the connecting threaded hole (17) is in threaded connection with a connecting threaded head (18), one end of the connecting threaded head (18) is fixedly connected with a supporting plate (19), and the supporting plate (19) is positioned on the end face of one side of the connecting block (1); an insulating anti-skid layer is sleeved on the operating ring (16).

2. The universal wire distribution line pin pulling pliers according to claim 1, wherein a through groove (2) is formed in the side surface of the handle (15), and a locking threaded rod (21) is connected to the side surface of the through groove (2).

3. Universal pliers for removing pins of distribution lines, according to claim 2, characterized in that said through slots (2) are elongated.

4. The universal distribution line pin removing pliers according to claim 3, wherein the side surface of the through groove (2) is slidably connected with the locking threaded rod (21).

5. The universal distribution line pin removing pliers according to claim 4, wherein the locking threaded rod (21) is threadedly connected with a locking nut (23) through a locking threaded hole (22).

6. The universal distribution line pin pliers according to claim 5, wherein the locking nuts (23) are located at two ends of the locking threaded rod (21).

7. The universal pliers for pulling pins of distribution lines of claim 6, wherein the locking nut (23) is provided with a pressing sleeve (24) on one side surface.

8. The universal pliers for removing pins of distribution lines of claim 7, wherein the surface of the pressing sleeve (24) is tightly connected to the side of the handle (15).

9. The universal pin removing pliers for distribution lines of claim 8, wherein there are two of the connecting plate (12) and the pliers head (13).

10. The universal pin removing pliers for distribution lines according to claim 9, wherein the connecting plate (12) and the pliers head (13) are symmetrically connected to both side surfaces of the connecting block (1).