CN206286474U - A kind of hydraulic tongs of the small bus shearing in relay-set top - Google Patents

Abstract

The utility model relates to a hydraulic pliers for cutting a small busbar on the top of a relay protection screen, comprising a hydraulic pliers body and a scissor head, the scissor head is detachably connected to the hydraulic pliers body, and the scissor head includes a static knife head, a moving knife head and a steel core The plastic connecting pin, the static knife head and the moving knife head are coated with a layer of insulating layer, and the fixed knife head is provided with a fixed buckle; the utility model has the advantages of: the scissor head is driven by the hydraulic pliers body to realize the cutting of the copper rod, The hydraulically driven scissor head of the hydraulic pliers body can control the cutting time from 4 to 6 seconds, which greatly reduces the time-consuming work, saves 80% of the time compared with the existing cutting, and greatly improves the work efficiency. High efficiency, and the weight of the overall hydraulic pliers is small, which is conducive to carrying and transportation, and improves the convenience of operation. The setting of the insulating layer can prevent the short circuit of the voltage circuit caused by the contact between the scissor head and the adjacent small busbar during the cutting process, and reduce the The setting of insulating tape improves the safety performance of cutting.

Description

A kind of hydraulic pliers for cutting small busbars on the top of relay protection screen

technical field

The utility model relates to a hydraulic pliers for cutting small busbars on top of relay protection screens.

Background technique

The work on the small busbar in the relay protection work is often carried out on the top of the screen with a height of 2 meters, and the copper rods to be removed are cut off when the surrounding small busbars are charged. The current method is to use pliers (rebar pliers) Wrap insulating tape on the head of the pliers, two people climb the ladder, one person uses the pliers, and the other prevents the bouncing of the cut copper rod, and cuts the small busbar. The size and weight of the steel bar pliers are huge, and there is no professional insulation protection. Manual operation on the top of the two-meter-high charged screen is not only inefficient, but also easily faces the danger of electric shock and short circuit, which can easily cause safety accidents for personnel and equipment.

Utility model content

The technical problem to be solved by the utility model is to provide a hydraulic pliers for cutting small busbars on top of a relay protection screen, so as to solve the problem of low work efficiency in cutting existing steel bar pliers.

In order to solve the above-mentioned technical problems, the utility model is realized through the following technical solutions: a hydraulic pliers for cutting the small busbar on the top of the relay protection screen, including a hydraulic pliers body and a scissors head, the scissors head and the hydraulic pliers body are detachably connected, The scissors head includes a static knife head, a moving knife head and a steel core plastic connecting pin. The moving knife head is set on the static knife head through a steel core plastic connecting pin. There is a fixed buckle on the cutter head to prevent the copper rod from bouncing.

Preferably, the insulating layer is a Teflon coating, and the thickness of the insulating layer is 0.6-0.8mm. The Teflon coating has a good insulating effect, is easy to coat, and has a high withstand voltage level, and the insulating layer The thickness is set at 0.6-0.8mm, which has good practical performance and is conducive to the operator to control the coating amount, ensure the uniformity of the insulating layer, and reduce the damage of the insulating layer. When the thickness of the insulating layer is less than 0.6mm, the insulating layer is easy to wear. The insulating effect is poor, and when the thickness of the insulating layer is greater than 0.8mm, the insulating layer cannot be uniformly coated.

Preferably, the static cutter head is fixedly connected with a nut, and the fixed buckle is arranged on the nut through a screw rod, and the screw rod is connected with the nut, which ensures the stability of the fixed buckle, avoids shaking of the fixed buckle during shearing, and reduces Work strength during shearing.

Preferably, both ends of the steel core plastic connecting pin are provided with nuts, which can prevent the sliding of the steel core plastic connecting pin during shearing, avoid the separation of the static knife head and the moving knife head, improve the safety performance of shearing, and ensure the cutting The efficiency is high, and the scissor head is insulated from the nut through the steel core plastic connection pin, which ensures the safety performance during operation.

Preferably, the scissor head and the body of the hydraulic pliers are detachably connected by a bolt assembly, which is convenient for installation and disassembly, and reliable in connection, prevents the scissor head from loosening during cutting, and improves the cutting effect.

In summary, the utility model has the following advantages: 1. The shearing of the copper bar is realized by driving the scissors head through the hydraulic pliers body, and the hydraulically driven scissors head of the hydraulic pliers body can control the cutting time to the end within 4-6s , greatly reduces the time-consuming work, can save 80% of the time compared with the existing shearing, and greatly improves the work efficiency, and the overall hydraulic tongs are light in weight, which is conducive to carrying and transportation, and improves the convenience of operation;

2. The setting of the insulating layer can prevent the short circuit of the voltage circuit caused by the contact between the scissors head and the adjacent small busbar during the cutting process, and reduce the setting of insulating tape, further improve the cutting efficiency, and realize that the scissors head can be used in ordinary charged places. Working on a small busbar improves the safety performance of shearing;

3. The static knife head and the moving knife head are connected through the steel core plastic connection pin, and the steel core plastic connection pin further enables the scissor head to achieve insulation effect, ensuring the safety when cutting copper rods;

4. The setting of the fixed buckle can replace the manual pressing method to prevent the copper rod from bouncing and improve the safety performance during cutting;

5. The detachable connection between the scissor head and the hydraulic pliers body can realize the quick installation and replacement of the scissor head, and can adapt to the cutting of different types of copper rods. It has good practical performance and can ensure the independent work of the hydraulic pliers body.

Description of drawings

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

Fig. 1 is a structural schematic diagram of a hydraulic pliers for cutting a small busbar on top of a relay protection screen according to the utility model.

detailed description

As shown in Figure 1, a hydraulic pliers for cutting small busbars on top of a relay protection screen includes a hydraulic pliers body 1 and a scissors head 2, the scissors head 2 is detachably connected to the hydraulic pliers body 1, and the scissors head 2 includes a static cutter head 21. The moving knife head 22 and the steel core plastic connecting pin 23, the moving knife head 22 is set on the static knife head 21 through the steel core plastic connecting pin 23, and both the static knife head 21 and the moving knife head 22 are coated with an insulating layer 3. The static knife head 21 is provided with a fixed buckle 4 to prevent the copper rod from bouncing.

The insulating layer 3 is Teflon coating, and the thickness of the insulating layer 3 is 0.6-0.8mm. The Teflon coating layer has a good insulating effect, and is easy to coat, and has a high withstand voltage level, and the thickness of the insulating layer It is set to 0.6-0.8mm, which has good practical performance and is beneficial to the operator to control the coating amount, ensure the uniformity of the insulating layer, and reduce the damage of the insulating layer. When the thickness of the insulating layer is less than 0.6mm, the insulating layer is easy to wear and the insulation The effect is poor. When the thickness of the insulating layer is greater than 0.8mm, the insulating layer cannot be evenly coated. The static cutter head 21 is fixedly connected with a nut 24, and the fixed buckle 4 is arranged on the nut 24 by a screw rod 41. The screw rod and the nut The connection ensures the stability when fixing the buckle, avoids the shaking of the fixing buckle when cutting, and reduces the working strength when cutting. The hydraulic pliers body 1 is provided with an adjustment button for adjusting the opening of the scissors head. A battery pack is provided, and a power switch and a power indicator light are provided on the hydraulic pliers.

Both ends of the steel core plastic connecting pin 23 are provided with nuts 25, which can prevent the sliding of the steel core plastic connecting pin during shearing, avoid the separation of the static cutter head and the moving cutter head, improve the safety performance of shearing, and ensure the shearing accuracy. High efficiency, and the steel core plastic connecting pin insulates the scissor head from the nut, ensuring the safety performance during operation. The scissor head 2 and the hydraulic pliers body 1 are detachably connected through the bolt assembly 5, which is easy to install and disassemble, and the connection is reliable, preventing shearing When the scissors head loosen, improve the cutting effect.

When in use, place the copper rod that needs to be cut on the static cutter head 21, and then drive the movable cutter head 22 to rotate through the hydraulic pliers body 1, so as to realize the rapid cutting of the copper rod, and connect it to the copper rod through the fixed buckle 4 , can prevent the bouncing of the copper rod during cutting, and replace the manual pressing method to prevent the bouncing of the copper rod, which improves the safety performance, and makes the scissor head 2 have a good insulation effect through the insulating layer and the steel core plastic connection pin, which further improves Cutting efficiency and cutting safety performance.

In addition to the above-mentioned preferred embodiment, the utility model also has other implementation modes, those skilled in the art can make various changes and deformations according to the utility model, as long as they do not depart from the spirit of the utility model, all should belong to the appended rights of the utility model The scope defined by the requirement.

Claims (5)

1. A hydraulic pliers for cutting small bus bars on the top of a relay protection screen, characterized in that it includes a hydraulic pliers body (1) and a scissor head (2), and the scissor head (2) is detachably connected to the hydraulic pliers body (1) , the scissors head (2) comprises a static cutter head (21), a moving cutter head (22) and a steel core plastic connecting pin (23), and the moving cutter head (22) is arranged on the static cutter head through a steel core plastic connecting pin (23) (21), the static cutter head (21) and the movable cutter head (22) are all coated with a layer of insulating layer (3), and the static cutter head (21) is provided with a fixed buckle (4) to prevent the copper rod from bouncing. . 2. A kind of hydraulic pliers for cutting the small bus bar on the top of relay protection screen according to claim 1, characterized in that: the insulating layer (3) is Teflon coating, and the thickness of the insulating layer (3) is 0.6 ~0.8mm. 3. A kind of hydraulic pliers for cutting the small bus bar on the top of the relay protection screen according to claim 1, characterized in that: the static cutter head (21) is fixedly connected with a nut (24), and the fixed buckle (4) Set on the nut (24) by the screw rod (41). 4. The hydraulic pliers for cutting small busbars on relay protection screen top according to claim 1, characterized in that nuts (25) are provided at both ends of the steel core plastic connecting pin (23). 5. The hydraulic pliers for cutting small bus bars on top of relay protection panels according to claim 1, characterized in that: the scissor head (2) is detachably connected to the hydraulic pliers body (1) through a bolt assembly (5).