CN211719947U - Cutting pliers for stripping insulating layer of insulated conductor - Google Patents

Abstract

The utility model relates to a wire insulating layer strips technical field, the utility model discloses an insulated wire's insulating layer strips and uses cutting knife pincers, cutting knife pincers include two intercrossing "Z" shape tong poles to the cross position department of "Z" shape tong pole is connected through pivot reciprocal swing, two "Z" shape tong poles are located the pivot and are fixed with handheld pole respectively with the one end of one side, "Z" shape tong pole is located the pivot one end of dorsad handheld pole and is equipped with the crosscut device, "Z" shape tong pole is located the pivot and is equipped with the rip cutting device towards the one end of handheld pole. Compared with the prior art, the utility model discloses a set up the different crosscut device of cutting edge direction and rip cutting device, cut out the insulating layer bar groove, the later stage of being convenient for like this uses the skinning pliers to carry out the insulating layer and strips, has reduced the danger coefficient, prevents that cutting process in the blade accidental injury.

Description

Cutting pliers for stripping insulating layer of insulated conductor

Technical Field

The utility model relates to a wire insulating layer strips technical field, in particular to insulated wire's insulating layer strips and uses cutting knife pincers.

Background

During the transmission of electric power, transmission wires are used. According to the difference of voltage, the tested transmission conductors are different, under the condition of normal distribution voltage, generally, insulated conductors coated with insulating layers are used, and when a bypass circuit needs to be connected in the wiring process of the conductors, the insulating layers of the insulated conductors need to be stripped. The thickness of the insulating layer of the 10 kV-20 kV insulated conductor is 5-7 mm, if the insulating layer on the surface of the insulated conductor needs to be stripped, a special insulating layer stripping device is needed, and the common stripping mode is that an operator manually uses a blade to cut a notch on the insulating layer, and then pulls the cut insulating layer through a pliers to strip the insulating layer. In the traditional stripping mode, an operator manually cuts the insulating layer, and the conditions of inaccurate cutting, accidental damage to a blade and the like easily occur in the cutting process.

Disclosure of Invention

The purpose of the invention is as follows: to the problem that exists among the prior art, the utility model provides an insulated wire insulating layer strips and uses cutting knife pincers, through setting up the different crosscut device of cutting edge direction and rip cutting device, cuts out the insulating layer into the bar groove, and the later stage of being convenient for like this uses the skinning pincers to carry out the insulating layer and strips, has reduced the danger coefficient, prevents that cutting process in-process blade accidental injury.

The technical scheme is as follows: the utility model provides an insulated wire's insulating layer strips uses cutting knife pincers, cutting knife pincers include two intercrossing "Z" shape tong poles to the cross position department of "Z" shape tong pole is connected through pivot reciprocal swing, and two "Z" shape tong poles are located the pivot and are fixed with handheld pole respectively with the one end of one side, "Z" shape tong pole is located the pivot one end of dorsad handheld pole and is equipped with the crosscut device, the one end that "Z" shape tong pole is located the pivot and is equipped with the rip cutting device towards handheld pole.

Further, the transverse cutting device comprises a transverse cutting knife fixed on one Z-shaped clamp rod, and a wire groove A corresponding to the transverse cutting knife and fixed on the other Z-shaped clamp rod, wherein the cutting edge of the transverse cutting knife faces the wire groove A.

Furthermore, a cutter clamping base plate and a cutter clamping pressing plate are further arranged on the Z-shaped clamp rod, the cutter clamping base plate is fixed on the Z-shaped clamp rod where the transverse cutter is located, the transverse cutter is fixed between the cutter clamping base plate and the cutter clamping pressing plate, and the cutter clamping pressing plate fixes the transverse cutter on the cutter clamping base plate through a fixing bolt A.

Further, the longitudinal cutting device comprises a longitudinal cutting knife fixed on one Z-shaped clamp rod, and a wire groove B fixed on the other Z-shaped clamp rod and corresponding to the longitudinal cutting knife, wherein the cutting edge of the longitudinal cutting knife faces the wire groove B.

Furthermore, the wire groove A and the wire groove B are both V-shaped grooves, the wire groove B and the wire groove A are arranged in parallel and are positioned on the same side of the cutting pliers, and the openings of the wire groove B face the directions of the transverse cutter and the longitudinal cutter.

Furthermore, a positioning device is further arranged on one side of the transverse cutting device on the Z-shaped clamp rods, the positioning device comprises an adjusting bolt, the end of the adjusting bolt penetrates through a threaded hole C formed in a boss A on one of the Z-shaped clamp rods, and a boss B corresponding to the adjusting bolt is fixed on the other Z-shaped clamp rod.

Furthermore, a spring with pre-pressure is sleeved on the adjusting bolt and between the nut of the adjusting bolt and the boss A.

Has the advantages that:

1. the utility model discloses the insulated wire insulating layer strips with cutting knife pincers, through the effect of cutting knife pincers, carries out annular and axial cutting with the insulating layer that the wire need strip to make the insulating layer be convenient for subsequent operation that strips.

2. The utility model discloses set up "Z" shape tong bar to set up two cutting edge direction vertically crosscut and longitudinal cutter, carry out insulating wire insulating layer both ends annular cutting through the longitudinal cutter, carry out along insulating wire axial cutting through the crosscut, insulating wire is cut out 3 grooves like this, follow-up only need through the stripper can of skinning, in the cutting process, the cutting edge of cutter all contacts with the V-arrangement groove, the operator only need handheld pole can, can not contact to some extent with the cutting edge, high durability and convenient use, and reduce the accidental injury risk.

3. The utility model discloses set up positioner on "Z" shape tong pole, carry out the relatively fixed with the position of two "Z" shape tong poles of cutting knife pincers for when two handheld poles open, adjusting bolt and boss B contact prevent two "Z" shape tong poles to be further close, and the cutting edge of cross-cutting knife and longitudinal knife can not directly play the effect of protection blade of a knife with two V-arrangement groove direct contacts. The distance between the end part of the adjusting bolt and the boss B can be adjusted by screwing the adjusting bolt, and the distance between the two Z-shaped clamping rods can be controlled.

Drawings

FIG. 1 is a schematic view of the overall structure of a cutting nipper;

fig. 2 is a front view enlarged schematic diagram of the working part of the cutting nipper.

The cutting tool comprises 1-cutting pliers, 101-a handheld rod, 102-a Z-shaped pliers rod, 103-a rotating shaft, 104-a transverse cutter, 105-a wire groove A, 106-a longitudinal cutter, 107-a wire groove B, 108-a cutter clamping base plate, 109-a cutter clamping pressure plate, 110-a fixing bolt A, 111-a fixing bolt B, 112-an adjusting bolt, 113-a boss A, 114-a boss B and 115-a spring.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The utility model discloses mainly be in order to solve prior art, when stripping the insulating layer, lean on the manual cutting insulating layer of operative employee, it is inaccurate to appear cutting easily in cutting process, and the blade accidentally injures the scheduling problem.

The cutting nipper 1 of the present invention mainly includes two mutually intersecting "Z" shaped nipper bars 102, and the intersecting position of the "Z" shaped nipper bars 102 is connected by the mutual swinging of the rotating shaft 103, see fig. 2. The hand-held rods 101 are respectively fixed at one ends of the two Z-shaped clamp rods 102 which are positioned at the same side of the rotating shaft 103, a transverse cutting device is arranged at one end of the Z-shaped clamp rod 102 which is positioned at the rotating shaft 103 and is back to the hand-held rod 101, and a longitudinal cutting device is arranged at one end of the Z-shaped clamp rod 102 which is positioned at the rotating shaft 103 and is facing the hand-held rod 101.

The crosscutting apparatus includes a crosscutter 104 fixed to one of the "Z" shaped jawsets 102, and a line groove a105 corresponding to the crosscutter 104 fixed to the other "Z" shaped jawset 102, a cutting edge of the crosscutter 104 facing the line groove a 105. The cross cutting knife 104 is fixed between a knife clamping base plate 108 and a knife clamping pressing plate 109, the knife clamping base plate 108 is fixed on the Z-shaped clamp rod 102 where the cross cutting knife 104 is located, and the knife clamping pressing plate 109 fixes the cross cutting knife 104 on the knife clamping base plate 108 through a fixing bolt A110.

The slitting device comprises a slitting knife 106 fixed on one of the Z-shaped clamp bars 102, and a thread groove B107 corresponding to the slitting knife 106 and fixed on the other Z-shaped clamp bar 102, wherein the blade edge of the slitting knife 106 faces the thread groove B107. The line groove A105 and the line groove B107 are both V-shaped grooves, the line groove B107 and the line groove A105 are arranged in parallel, and the line groove B107 and the line groove A105 are positioned on the same side of the cutting pliers 1, and the opening directions of the line groove B and the line groove B correspond to the corresponding transverse cutter 104 and the corresponding longitudinal cutter 106 respectively. The slitting knife 106 is secured to the "Z" clamp bar 102 by a fixing bolt B111.

Referring to fig. 2, the structure of the cross-cut knife 104 and the longitudinal-cut knife 106 is shown in which the knife face of the cross-cut knife 104 is perpendicular to the paper surface and the knife face of the longitudinal-cut knife 106 is parallel to the paper surface in the present embodiment. The cutting edge of the cross cutter 104 is positioned in the middle of the V-shaped groove, and the cutting edge of the longitudinal cutter 106 is perpendicular to the cutting edge of the cross cutter 104.

The Z-shaped clamp rods 102 are also provided with a positioning device at one side of the transverse cutting device, the positioning device comprises an adjusting bolt 112, the end part of the adjusting bolt 112 passes through a threaded hole C arranged on a boss A113 on one Z-shaped clamp rod 102, and a boss B114 corresponding to the adjusting bolt 112 is fixed on the other Z-shaped clamp rod 102. A spring 115 with pre-pressure is sleeved on the adjusting bolt 112 and between the nut of the adjusting bolt 112 and the boss A112. In order to relatively fix the positions of the two Z-shaped clamp rods 102 of the cutting pliers 1 during positioning, when the two hand-held rods 101 are closed, the adjusting bolt 112 is in contact with the boss B114 to prevent the two Z-shaped clamp rods 102 from further approaching, and the cutting edges of the transverse cutter 104 and the longitudinal cutter 106 are not in direct contact with the two V-shaped grooves, so that the cutting edges are protected. When the insulated wire is arranged between the blade and the V-shaped groove, the depth of cutting the insulated wire can be controlled through the positioning device, and the insulated wire is prevented from being damaged due to too deep cutting. The distance between the end of the adjusting bolt 112 and the boss B114 can be adjusted by screwing the adjusting bolt 112, and the distance between the two "Z" shaped clamping bars 102 can be controlled.

Therefore, when the cutting pliers 1 is used for working, firstly, the positioning device is adjusted, one hand is used for cutting the insulation layer of the wire by operating the cutting pliers 1, the cutting pliers 1 is opened (the two hand-held rods 101 are opened), then one end of the wire, which needs to strip the insulation layer part, is positioned between the longitudinal cutter 106 and the wire groove B107, the cutting pliers 1 is clamped, and then the cutting pliers 1 is rotated around the wire simultaneously, so that the longitudinal cutter 106 cuts the surface insulation layer at one end of the wire, which needs to strip the insulation layer part, to form a ring-shaped groove. Then, the operation of the cutting nipper 1 is repeated to cut the surface insulating layer of the other end of the wire from which the insulating layer is to be removed by the longitudinal cutter 106 of the cutting nipper 1, thereby forming an annular groove. Then, the part of the wire needing to be stripped is required to be positioned between the cross cutter 104 and the wire groove A105, and then the cross cutter 104 cuts the insulating layer between the two annular grooves along the direction parallel to the axis of the wire to form a strip-shaped groove by clamping the cutting pliers 1. The cutting pliers 1 thus cut 3 slots into the insulation layer to be cut. In subsequent use, the insulating layer can be stripped by a stripper.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (7)

1. The cutting pliers for stripping the insulating layer of the insulated conductor is characterized in that the cutting pliers (1) comprises two Z-shaped pliers rods (102) which are mutually crossed, the crossed positions of the Z-shaped pliers rods (102) are mutually connected in a swinging mode through a rotating shaft (103), one ends, located on the same side of the rotating shaft (103), of the two Z-shaped pliers rods (102) are respectively and fixedly provided with a handheld rod (101), one end, located on the opposite side of the rotating shaft (103), of the Z-shaped pliers rods (102) is provided with a transverse cutting device, and one end, located on the opposite side of the rotating shaft (103), of the Z-shaped pliers rods (102) is provided with a longitudinal cutting device.

2. The cutting pliers for stripping the insulation of an insulated conductor according to claim 1, wherein the transverse cutting device comprises a transverse cutter (104) fixed to one of the "Z" shaped nipper bars (102), and a wire slot a (105) corresponding to the transverse cutter (104) fixed to the other "Z" shaped nipper bar (102), the cutting edge of the transverse cutter (104) facing the wire slot a (105).

3. The cutting pliers for stripping the insulation layer of the insulated conductor according to claim 2, wherein a clamping base plate (108) and a clamping pressing plate (109) are further disposed on the "Z" -shaped pliers rod (102), the clamping base plate (108) is fixed on the "Z" -shaped pliers rod (102) where the cross cutting knife (104) is located, the cross cutting knife (104) is fixed between the clamping base plate (108) and the clamping pressing plate (109), and the clamping pressing plate (109) fixes the cross cutting knife (104) on the clamping base plate (108) through a fixing bolt A.

4. The cutting pliers for stripping the insulation of insulated conductors according to claim 2, characterized in that said slitting means comprise a slitting knife (106) fixed to one of the "Z" shaped pliers bars (102) and a slot B (107) corresponding to the slitting knife (106) and fixed to the other "Z" shaped pliers bar (102), the cutting edge of said slitting knife (106) facing the slot B (107).

5. The cutting pliers for stripping the insulation layer of an insulated conductor according to claim 4, wherein the wire groove A (105) and the wire groove B (107) are both "V" shaped grooves, and the wire groove B (107) is arranged parallel to the wire groove A (105) and on the same side of the cutting pliers with the opening facing the direction of the cross cutter (104) and the direction of the longitudinal cutter (106).

6. The cutting pliers for stripping the insulation layer of the insulated conductor according to any one of claims 1 to 5, wherein a positioning device is further arranged on one side of the transverse cutting device on the Z-shaped pliers rod (102), the positioning device comprises an adjusting bolt (112), the end of the adjusting bolt (112) passes through a threaded hole C formed in a boss A (113) on one of the Z-shaped pliers rods, and a boss B (114) corresponding to the adjusting bolt (112) is fixed on the other Z-shaped pliers rod (102).

7. The cutting pliers for stripping the insulation layer of the insulated conductor according to claim 6, wherein a spring (115) with pre-pressure is sleeved on the adjusting bolt (112) and positioned between the nut of the adjusting bolt (112) and the boss A (113).

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