CN111564745A - Jointing clamp for electrical engineering - Google Patents

Abstract

The invention discloses a wiring pliers for electrical engineering, which comprises two pliers arms, which are hinged together in an X-shape, the pliers arms are divided into a pliers head and a pliers handle; . A wire-cutting blade is formed at the end near the hinge, and a hexagonal hole and a plurality of wire-stripping holes of different sizes are formed between the two butted plier heads from the front end to the wire-cutting blade in sequence; There are matching crimping noses and crimping grooves; a plurality of magnetic nails and a U-pole led charging lamp are installed on the two clamp handles, and are wrapped by an insulating jacket to limit the position, and the lighting part of the U-pole led charging lamp can be used. Lighting is emitted to the outside through the insulating jacket. The invention integrates multiple functions, and can efficiently and quickly complete the wiring work in the technical transformation project.

Description

Wiring pliers for electrical engineering

technical field

The invention relates to a pliers in the field of electrical engineering, in particular to a wiring pliers for electrical engineering.

Background technique

According to the daily work, usually a protection device replacement work can be roughly divided into six aspects: core line, disconnection, cable laying, vertical screen cabinet, wiring, debugging and acceptance. Most of the secondary maintenance work is related to the secondary cable. It is related to disconnection. According to the statistics of the time spent on maintenance projects in the past year, it can be found that the two links of disconnection and wiring take the most time, accounting for nearly 50% of the total time of the entire protection device replacement project. Through analysis, it is found that conventional tools are used in the second maintenance work, and in accordance with the conventional work mode, that is, which tools are used when they are used, and various tools have been exchanged for many times and cooperated to complete a job. Take connecting the secondary cable as an example: firstly, find the vise to perform the line work; secondly, find the needle-nose pliers and the binding tape to complete the fixing and binding of the secondary cable, and perform the S-bend processing; then use the wire stripper to strip the wire; finally Use needle-nose pliers to secure the wire ends to help complete the wiring. In addition, there has been a large brain drain in the protection profession in recent years, resulting in the current work situation of few personnel and heavy maintenance tasks. To sum up, in order to improve the work efficiency of secondary maintenance, we need to further improve the work efficiency of technical renovation projects by improving working methods and improving work tools.

SUMMARY OF THE INVENTION

The purpose of the present invention is to make up for the shortcomings of the prior art, and to provide a wiring pliers for electrical engineering, which has multiple functions such as wire cutting, wire crimping, and wire stripping, which provides great convenience for wiring and improves work efficiency. .

In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions:

A wiring pliers for electrical engineering, comprising two plier arms, the two plier arms are hinged together in an X shape, and each plier arm comprises a plier head and a plier handle respectively;

The front ends of the two pliers are beak-shaped, and the ends close to the hinge are formed with two thread-cutting blades that are used together. A hexagonal hole and a Multiple stripping holes of different sizes;

A wire pressing nose and a wire pressing groove are arranged on the opposite sides of the two pliers handles near the hinge, and the wire pressing nose can just be pressed into the wire pressing groove after the two pliers are butted together;

A plurality of magnetic nails are embedded on each of the two clamp handles, and a U-pole led charging light is also installed on any one of the clamp handles. An insulating jacket is fitted on each of the two clamp handles, and the plurality of magnetic nails and the U-pole LED charging light pass through. The corresponding insulating jacket is limited on the corresponding clamp handle, and the insulating jacket wrapped around the U-pole led charging lamp is also provided with a light-transmitting hole, and the light-transmitting hole is set corresponding to the light-emitting part of the U-pole led charging lamp, so that The U-pole led charging lamp can emit light to the outside through the light-transmitting hole.

Further, the hexagonal hole is divided into two half-slots and is symmetrically formed on the opposite sides of the two pliers heads, and the inner wall of the hexagonal hole is also formed with anti-skid lines, so as to clamp the bolt and realize the tightening of the bolt. adjust.

Further, each of the stripping holes is divided into two semicircular grooves symmetrically formed on opposite sides of the two pliers heads, and a cutting blade for stripping the wire is also formed on the inner wall of each stripping hole. .

Further, the two thread-cutting blades are located on opposite sides of the two pliers heads, and the blade portions of the two thread-cutting blades are dislocated relative to each other, and the two thread-cutting blades can be driven by the abutment of the two pliers heads. Cut the cable.

Further, the opposite sides of the two plier heads are formed with file lines for modifying burrs.

Further, a plurality of grooves are respectively formed on the same side of the two clamp arms, and the plurality of magnetic nails are installed in the plurality of grooves in a one-to-one correspondence through hot melt glue.

Further, the illumination intensity of the U-pole led charging lamp is greater than 40 lux, and the illumination time is greater than 8 hours.

Further, the withstand voltage capability of the insulating jacket is greater than 1000V.

Further, the two caliper arms are made of chrome-molybdenum steel by forging and grinding, and the contents of C, Si, Mn, and Cr in the chrome-molybdenum steel that affect the hardenability are 0.35-0.45%, 0.15-0.40%, respectively. %, 0.40-0.70%, 1.00-1.50%.

The beneficial effects of the invention are as follows: the wiring pliers for electrical engineering of the invention improves work efficiency, reduces labor intensity, and saves working time; The functions of tools such as flashlights are integrated into a pair of pliers, which not only saves the time spent on finding and replacing tools, but also liberates the personnel responsible for lighting.

Description of drawings

FIG. 1 is a schematic structural diagram of a wiring pliers for electrical engineering according to the present invention.

Among them, 1- pliers head, 2- pliers handle, 3- hinge, 4- cutting edge, 5- hexagonal hole, 6- stripping hole, 7- file pattern, 8- crimping nose, 9- crimping groove , 10-magnetic nail, 11-U pole led charging lamp.

Detailed ways

Below in conjunction with accompanying drawing, the present invention is described in further detail:

As shown in FIG. 1 , an electrical engineering wiring pliers of the present invention includes two clamp arms, which are hinged together in an X-shape, and each clamp arm is divided into a clamp head 1 and a clamp head 3 with the hinge 3 as the boundary. Plier handle 2. The two arms are made of chrome-molybdenum steel (40CrMo steel) by forging and grinding, and the content of C, Si, Mn and Cr in the chrome-molybdenum steel that affect the hardenability are 0.35-0.45% and 0.15-0.40% respectively. , 0.40-0.70%, 1.00-1.50%. Preferably, the caliper arms are 8 inches, the two caliper arms are of a stacked gill structure and the shank tail has an inner 10-degree lateral arc.

The front ends of the two pliers 1 are sharp-nosed, and have the function of needle-nose pliers, which can be used for clamping cables to achieve the purpose of clamping wires.

The ends of the two plier heads 1 close to the hinge 3 are formed with two thread-cutting blades 4 that are used together. The parts are arranged opposite to each other and the two are offset from each other. The structure is similar to wire cutters or scissors, and the two cutter blades 4 can be driven to cut the cable by the abutment of the two clamp heads 1 . The design of the two wire-cutting blades 4 enables it to function as a wire-cutting pliers, which can be used to cut cables to achieve the purpose of wire-cutting.

A hexagonal hole 5 and a plurality of wire stripping holes 6 of different sizes are sequentially formed between the two paired pliers 1 from the front end to the wire cutting blade 4 . Among them, the hexagonal hole 5 is divided into two half-slots and symmetrically formed on the opposite sides of the two pliers 1. The inner wall of the hexagonal hole 5 is also formed with anti-skid patterns. The hexagonal hole 5 is mainly used for the disassembly of bolts. The design of the anti-skid pattern on the 5 is convenient for clamping the bolt and improves the stability during operation. The hexagonal hole 5 matches the bolt head of the bolt. Hold on the bolt head, and then turn the clamp handle 2 to realize the adjustment and disassembly of the bolt. Each wire stripping hole 6 is divided into two semi-circular grooves and symmetrically formed on opposite sides of the two pliers 1, and a cutting blade for wire stripping is also formed on the inner wall of each wire stripping hole 6; preferably Ground, there are three stripping holes 6 and they are arranged in order according to the size, so as to be suitable for stripping work of different types of cables.

A file pattern 7 is formed on the opposite sides of the two pliers 1, and the file pattern 7 is designed so that it has the function of a file and can be used to modify the burr at the end of the cable.

The opposite sides of the two pliers handles 2 near the hinge 3 are provided with a wire pressing nose 8 and a wire pressing groove 9, and the wire pressing nose 8 can just be pressed into the wire pressing groove 9 after the two plier heads 1 are aligned; The design of the nose 8 and the wire crimping groove 9 enables it to have the function of a wire crimping plier to realize the wire crimping operation of the cable.

A plurality of magnetic nails 10 are embedded on the two pliers handles 2 respectively. Specifically, a plurality of grooves are respectively opened on the same side of the two pliers arms. in a groove. The number and layout of the magnetic nails 10 should ensure that the magnetic force can satisfy the entirety of the electrical engineering wiring pliers to be firmly adsorbed on the protective screen cabinet door, so as to facilitate the temporary placement of the electrical engineering wiring pliers. Preferably, the size specification of the magnetic nail 10: D1.0cm*0.2cm, the performance grade: N35, the magnetic nail 10 is installed on the clamp handle 2, and a static test is carried out, and it is found that the electrical engineering wiring clamp can be adsorbed on The cabinet door will not fall off for up to 8 hours, and it can still be firmly adsorbed under external interference.

Any one of the clamp handles 2 is also formed with an installation slot, the installation slot is used for assembling the U-pole LED charging lamp 11, and glue injection can be used between the LED charging lamp and the installation groove of the clamp handle 2. When the light intensity is greater than 40 lux, and the light time is greater than 8 hours, the size of the U-pole led charging lamp 11 needs to be less than 2.3 cm in width, that is, less than the width of the pliers handle. Preferably, the U-pole led charging lamp 11 is a NITECORE brand U-pole led charging lamp 11, the light intensity is 45 lux, the light time is 48 hours, and the width is 2.1 cm.

An insulating jacket (not shown in the figure) is also set on the two pliers handles 2 respectively. The two insulating jackets are installed on the corresponding pliers handles 2 by heat shrinkage. The withstand voltage of the insulating jackets is greater than 1000V. The plurality of magnetic nails 10 and the U-pole led charging lamps 11 are limited to the corresponding clamp handles 2 through the corresponding insulating jackets, and the insulating jackets wrapped around the U-pole led charging lamps 11 are also provided with light-transmitting holes, which are transparent to light. The holes are arranged corresponding to the light-emitting parts of the U-pole led charging lamp 11, so that the U-pole led charging lamp 11 can emit light to the outside through the light-transmitting holes.

Aiming at the characteristics of the tools (oblique nose pliers, needle nose pliers, vices and wire strippers) used in the secondary maintenance, the invention integrates various functions on one wiring pliers, and designs a lighting electrical engineering tool. Wiring pliers, on the premise of ensuring the quality of work, can realize various functions used for wiring (clamping, trimming, stripping), as well as lighting and adsorption functions, and can efficiently and quickly complete the wiring work in technical transformation projects. .

To sum up, the content of the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can propose other embodiments within the technical guidance of the present invention, but these embodiments are all included in the present invention. within the range.

Claims (9)

1. A wiring clamp for electrical engineering is characterized by comprising two clamp arms which are hinged together in an X shape, wherein each clamp arm comprises a clamp head and a clamp handle;

the front ends of the two binding clip are sharp-mouthed, two trimming blades matched with each other are formed at the end parts close to the hinged part, and a hexagonal hole and a plurality of wire stripping holes with different sizes are sequentially formed between the two binding clip after being combined from the front ends to the trimming blades;

the opposite sides of the two forceps handles close to the hinged part are provided with a wire pressing nose and a wire pressing groove, and the wire pressing nose can be just pressed into the wire pressing groove after the two forceps heads are folded;

the utility model discloses a portable clamp, including two pincers handles, the pincers handle is equipped with a plurality of magnetism nails, still install the utmost point led lamp that charges on any pincers handle, it is equipped with an insulating overcoat separately to overlap on two pincers handles, a plurality of magnetism nails and the utmost point led lamp that charges are spacing on corresponding pincers handle through corresponding insulating overcoat, the parcel still has the light trap on the outside insulating overcoat of the utmost point led lamp that charges, and the light trap sets up with the illuminating part of the utmost point led lamp that charges corresponding, so that the utmost point led lamp that charges of U can be through the light trap outside luminous illumination.

2. A jointing clamp for electrical engineering according to claim 1, wherein the hexagonal hole is divided into two half-grooves and symmetrically formed on opposite sides of the two clamp heads, and the inner wall of the hexagonal hole is further formed with anti-slip threads to facilitate clamping and tightness adjustment of the bolt.

3. The wire-connecting pliers for electrical engineering as claimed in claim 1, wherein each of the wire stripping holes is divided into two semicircular grooves and symmetrically formed on opposite sides of the two pliers heads, and a cutting blade for stripping wire is further formed on an inner wall of each wire stripping hole.

4. The wire connecting pliers according to claim 1, wherein the two cutting blades are disposed on opposite sides of the two pliers heads, and the cutting blades are disposed opposite to each other in a staggered manner, so that the two cutting blades can be driven to cut the cable by the two pliers heads in a combined manner.

5. A wire connecting pliers as claimed in claim 1, wherein the opposite sides of the two pliers heads are formed with a rasp texture for trimming burrs.

6. A jointing clamp for electrical engineering according to claim 1, wherein a plurality of grooves are respectively formed on the same side of the two clamp arms, and a plurality of magnetic nails are installed in the plurality of grooves in a one-to-one correspondence manner through hot melt adhesive.

7. The wire connecting clamp for electrical engineering according to claim 1, wherein the illumination intensity of the U-pole led charging lamp is more than 40lux, and the illumination time is more than 8 h.

8. A jointing clamp for electrical engineering according to claim 1, wherein the insulating sheath has a withstand voltage of more than 1000V.

9. A wire connecting clamp for electrical engineering according to claim 1, wherein both of the clamp arms are formed by forging and grinding chrome molybdenum steel, and the contents of C, Si, Mn and Cr which affect hardenability in chrome molybdenum steel are 0.35-0.45%, 0.15-0.40%, 0.40-0.70% and 1.00-1.50%, respectively.

Images