Parallel groove clamp

Abstract

The utility model discloses a parallel groove clamp, which relates to the field of wire clamps, and is characterized in that the parallel groove clamp comprises two wire clamping cavities arranged on a clamp body, the clamp body comprises an upper clamp plate and a lower clamp plate, the upper clamp plate comprises two upper half clamp blocks which are arranged in a bilateral symmetry manner, and the lower clamp plate comprises two lower half clamp blocks which are arranged in a bilateral symmetry manner. According to the utility model, the height adjusting assembly enables the upper half clamping block to move away from the lower half clamping block, and at the moment, the distance between the inner walls of the clamping grooves in the upper half clamping block and the lower half clamping block is increased, so that the wire clamping cavity is increased and can be used for clamping a cable with a larger wire diameter; one lower half clamping block moves in the direction away from or close to the other lower half clamping block through the distance adjusting assembly, the distance between the two lower half clamping blocks and the distance between the two upper half clamping blocks can be adjusted, and therefore the distance between the two cable clamping cavities can be adjusted according to the distance between the two cables. And the situation that the cable is easily damaged when being forcibly pulled to be close for installation is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of wire clamp, more specifically, it relates to a parallel groove wire clamp. BACKGROUND

[0002] The parallel groove wire clamp is used for the connection of the aluminum stranded conductor or steel core aluminum stranded conductor and the steel stranded conductor of overhead lightning conductor in the position without bearing the tension, is also used for the jumper connection of non straight pole tower, the existing parallel groove wire clamp is provided with two wire clamping grooves for clamping the cable, and the parallel groove wire clamp comprises an upper clamping plate, a lower clamping plate and fixing bolts, the upper clamping plate and the lower clamping plate are symmetrically arranged, the upper clamping plate and the lower clamping plate are provided with clamping grooves in half ring shape on the two sides, the wire clamping groove is formed around the inner wall of the clamping groove of the upper clamping plate and the lower clamping plate, the cable is placed in the clamping groove on the lower clamping plate, the upper clamping plate and the lower clamping plate are fixed by the fixing bolts and the parallel groove wire clamp is clamped, and the connection of the cable is realized.

[0003] The size of the wire clamping groove of the existing parallel groove wire clamp is relatively fixed, and it can only be used for clamping the cable with a single wire diameter, when the wire diameters of the clamped cables are different, the corresponding specification parallel groove wire clamp needs to be replaced, so that it can only be applied to the installation of the same cable wire diameter, which is relatively inconvenient, and the distance of the two wire clamping grooves of the parallel groove wire clamp is relatively fixed, and cannot be adjusted according to the distance of the two cables, when the two cables are forced to be installed close, the surface of the cable is easy to rub against the parallel groove wire clamp, thereby causing damage.

[0004] Therefore, a new scheme needs to be proposed to solve this problem. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the purpose of the utility model is to provide a parallel groove wire clamp.

[0006] The above technical purpose of the utility model is realized by the following technical scheme: a parallel groove wire clamp, comprising two wire clamping cavities arranged on a clamping body, the clamping body comprises an upper clamping plate and a lower clamping plate, the upper clamping plate comprises two upper half clamping blocks arranged symmetrically left and right, the lower clamping plate comprises two lower half clamping blocks arranged symmetrically left and right, the upper half clamping blocks and the lower half clamping blocks are arranged symmetrically up and down, and the upper half clamping blocks and the lower half clamping blocks are provided with clamping grooves in half ring shape on the upper half clamping blocks and the lower half clamping blocks, the wire clamping cavities are formed around the inner walls of the clamping grooves on the upper half clamping blocks and the lower half clamping blocks, the upper half clamping blocks are slidably connected to the lower half clamping blocks through a height adjusting assembly, the height adjusting assembly is used for the mutual approach or separation of the upper half clamping blocks and the lower half clamping blocks, distance adjusting assemblies are arranged between the two lower half clamping blocks, and the distance adjusting assemblies are used for the mutual approach or separation of the two lower half clamping blocks.

[0007] Preferably, the height adjusting assembly comprises a lead screw one and a threaded block one, the upper half clamping block is provided with a containing groove, the threaded block one is fixedly connected to the inner wall of the containing groove, one end of the lead screw one is rotatably installed on the lower half clamping block, the lead screw one penetrates through the threaded block one and the threaded block one is threadedly connected to the outer peripheral wall of the lead screw one.

[0008] Preferably, the distance adjusting assembly comprises a lead screw two and a threaded block two, one side of one of the lower half clamping blocks is fixedly connected with a mounting block, one end of the lead screw two is rotatably installed on the mounting block, the threaded block two is fixedly connected to one side of the other lower half clamping block, the lead screw two penetrates through the threaded block two and the threaded block two is threadedly connected to the outer peripheral wall of the lead screw two, the axial direction of the lead screw two is arranged in opposite perpendicular to the axial direction of the lead screw one.

[0009] Preferably, the inner wall of the clamping groove of the upper half clamping block and the inner wall of the clamping groove of the lower half clamping block are both provided with a clamping piece with an arc-shaped cross section, the arc-shaped concave surface of the clamping piece is provided with anti-skid lines.

[0010] Preferably, the arc-shaped convex surface of the clamping piece and the inner wall of the clamping groove are fixedly installed through a spring, both ends of the spring are fixedly connected to the inner wall of the clamping groove and the clamping piece respectively.

[0011] Preferably, one side of one of the lower half clamping blocks away from the threaded block two is fixedly connected with a guide rod parallel to the axial direction of the lead screw two, one side of the other lower half clamping block away from the mounting block is fixedly connected with a guide strip, one end of the guide strip is provided with a sliding groove containing the guide rod to slide.

[0012] In summary, the utility model has following beneficial effects: this scheme divides upper clamping plate into two upper half clamping blocks, divides lower clamping plate into two lower half clamping blocks, and sets up clamping groove on upper half clamping block and lower half clamping block respectively, sets up height adjusting assembly between upper half clamping block and lower half clamping block for adjusting the interval of both, sets up distance adjusting assembly between two lower half clamping blocks for adjusting the interval of both, user makes upper half clamping block gradually move away from lower half clamping block through height adjusting assembly, the interval of clamping groove inner wall on upper half clamping block and clamping groove inner wall on lower half clamping block increases at this moment, the cable line cavity formed by surrounding the clamping groove inner wall on upper half clamping block and the clamping groove inner wall on lower half clamping block increases, can be used for clamping some cable line with larger diameter, when making upper half clamping block gradually close to lower half clamping block through height adjusting assembly, the interval of upper half clamping block and lower half clamping block and cable line cavity decreases respectively, can be used for clamping some cable line with smaller diameter, and when making one of lower half clamping blocks move in the direction of moving away from or closing to another lower half clamping block through distance adjusting assembly, one of lower half clamping blocks drives corresponding upper half clamping block to move synchronously in the moving process at this moment, the interval of two lower half clamping blocks and the interval of two upper half clamping blocks can be adjusted, thereby the interval of two cable line cavities can be adjusted according to the interval of two cable lines, reduces the situation that cable line is damaged easily when being forced to pull close to installation. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 Structure diagram of the utility model Figure 1 ;

[0014] Figure 2 Structure diagram of the utility model Figure 2 ;

[0015] Figure 3 It is cross-sectional view of upper half clamping block and lower half clamping block in the utility model.

[0016] In the drawing: 1, clamping body;101, upper half clamping block;102, lower half clamping block;2, cable line cavity;3, clamping groove;4, height adjusting assembly;401, screw rod one;402, threaded block one;5, distance adjusting assembly;501, screw rod two;502, threaded block two;6, accommodating groove;7, mounting block;8, clamping piece;9, spring;10, guide rod;11, guide strip. DETAILED DESCRIPTION

[0017] The utility model is described in detail below in combination with the drawings and examples.

[0018] Example:

[0019] A parallel groove clamp, such as Figures 1 to 3As shown, including two clamping wire cavities 2 arranged on the clamp body 1, the clamp body 1 includes an upper clamp plate and a lower clamp plate arranged symmetrically up and down, the upper clamp plate includes two upper half clamp blocks 101 arranged symmetrically left and right, the lower clamp plate includes two lower half clamp blocks 102 arranged symmetrically left and right, the upper half clamp block 101 and the lower half clamp block 102 are arranged symmetrically up and down, and the upper half clamp block 101 and the lower half clamp block 102 are both provided with a clamping groove 3 arranged in a semi-ring shape, the clamping wire cavity 2 is formed around by the inner wall of the clamping groove 3 on the upper half clamp block 101 and the inner wall of the clamping groove 3 on the lower half clamp block 102, the upper half clamp block 101 is slidably connected to the lower half clamp block 102 through a height adjusting assembly 4, the number of the height adjusting assembly 4 is two, the height adjusting assembly 4 is used for the upper half clamp block 101 and the lower half clamp block 102 to approach or move away from each other, a distance adjusting assembly 5 is installed between the two lower half clamp blocks 102, the distance adjusting assembly 5 is used for the two lower half clamp blocks 102 to approach or move away from each other, the height adjusting assembly 4 includes a lead screw one 401 and a threaded block one 402, the side of the two upper half clamp blocks 101 approaching each other is provided with a receiving groove 6, the threaded block one 402 is welded to the inner wall of the receiving groove 6, one end of the lead screw one 401 is rotatably installed on the lower half clamp block 102, the lead screw one 401 penetrates through the threaded block one 402 and the threaded block one 402 is threadedly connected to the outer peripheral wall of the lead screw one 401, the outer peripheral wall of the lead screw one 401 is processed into external threads, the inside of the threaded block one 402 is processed into internal threads matched with the outer peripheral wall of the lead screw one 401, the distance adjusting assembly 5 includes a lead screw two 501 and a threaded block two 502, one side of one of the lower half clamp blocks 102 is welded with a mounting block 7, one end of the lead screw two 501 is rotatably installed on the mounting block 7, the threaded block two 502 is welded to one side of the other lower half clamp block 102, the mounting block 7 and the threaded block two 502 are respectively installed on the same side of the two lower half clamp blocks 102, the lead screw two 501 penetrates through the threaded block two 502 and the threaded block two 502 is threadedly connected to the outer peripheral wall of the lead screw two 501, the outer peripheral wall of the lead screw two 501 is processed into external threads, the inside of the threaded block two 502 is processed into internal threads matched with the outer peripheral wall of the lead screw two 501, the axial direction of the lead screw two 501 is arranged in opposite vertical to the axial direction of the lead screw one 401, one side of one of the lower half clamp blocks 102 away from the threaded block two 502 is welded with a guide rod 10 parallel to the axial direction of the lead screw two 501, one side of the other lower half clamp block 102 away from the mounting block 7 is welded with a guide strip 11, one end of the guide strip 11 is provided with a sliding groove accommodating the sliding of the guide rod 10.

[0020] The inner wall of the clamping groove 3 of the upper half clamp block 101 and the inner wall of the clamping groove 3 of the lower half clamp block 102 are both provided with a clamping piece 8 arranged in an arc shape, the arc concave surface of the clamping piece 8 is provided with anti-skid lines, the arc convex surface of the clamping piece 8 and the inner wall of the clamping groove 3 are fixedly installed through a spring 9, and the two ends of the spring 9 are respectively welded to the inner wall of the clamping groove 3 and the arc convex surface of the clamping piece 8.

[0021] The user holds and rotates the screw rod one 401 clockwise, one end of the screw rod one 401 rotates on the lower half clamp block 102, the screw rod one 401 rotates clockwise to drive the threaded block one 402 and the upper half clamp block 101 installed in the accommodating groove 6 to move away from the lower half clamp block 102, the upper half clamp block 101 moves towards the corresponding lower half clamp block 102, the distance between the two gradually increases, and the distance between the same outer sides of the upper half clamp block 101 and the lower half clamp block 102 increases, so that the wire clamping cavity 2 formed by the inner walls of the clamping grooves 3 of the upper half clamp block 101 and the lower half clamp block 102 increases, which can be used to clamp some cables with larger diameters. Then pass the cable through the distance between the same outer sides of the upper half clamp block 101 and the lower half clamp block 102 and install the cable into the wire clamping cavity 2, and press the clamping pieces 8 on the upper half clamp block 101 and the lower half clamp block 102 respectively. At this time, the springs 9 on the upper half clamp block 101 and the lower half clamp block 102 are extruded and compressed, so that the cable can be located between the clamping pieces 8 of the upper half clamp block 101 and the lower half clamp block 102. Then release the clamping pieces 8 on the upper half clamp block 101 and the lower half clamp block 102 respectively. At this time, the spring 9 restores the deformation, until the clamping pieces 8 on the upper half clamp block 101 and the lower half clamp block 102 clamp and fix the cable at the same time, and the anti-skid lines on the clamping pieces 8 improve the stability of the cable installed in the wire clamping cavity 2. The user holds and rotates the screw rod one 401 counterclockwise, which drives the threaded block one 402 and the upper half clamp block 101 to move towards the lower half clamp block 102, the distance between the upper half clamp block 101 and the corresponding lower half clamp block 102 gradually decreases, so that the wire clamping cavity 2 formed by the inner walls of the clamping grooves 3 of the upper half clamp block 101 and the lower half clamp block 102 gradually decreases, which can be used to clamp some cables with smaller diameters, so as to install some cables with different diameters, and the size of the two wire clamping cavities 2 can be adjusted by rotating the two screw rods one 401 to install two cables with different diameters.

[0022] The user holds the hand and rotates the screw rod two 501 clockwise, at this time one end of the screw rod two 501 rotates on the mounting block 7, and the screw rod two 501 rotates clockwise to drive the threaded block two 502 and the lower half clamp block 102 connected with the threaded block two 502 to move away from the mounting block 7, so that the lower half clamp block 102 connected with the threaded block two 502 drives the upper half clamp block 101 and the corresponding height adjusting assembly 4 symmetrically arranged with it to move when moving, at this time the interval of the two lower half clamp blocks 102 and the interval of the two upper half clamp blocks 101 increase at the same time, so that the interval of the two wire clamping cavities 2 increases, and the lower half clamp block 102 connected with the threaded block two 502 drives the guide rod 10 to move when moving, so that the guide rod 10 gradually separates from the sliding groove provided in the guide strip 11, and the guide rod 10 slides in the guide strip 11 to play a guiding role, and the screw rod two 501 is rotated counterclockwise, the screw rod two 501 rotates counterclockwise to drive the threaded block two 502 and the lower half clamp block 102 connected with the threaded block two 502 to move towards the mounting block 7, at this time the interval of the two lower half clamp blocks 102 and the interval of the two upper half clamp blocks 101 decrease synchronously, so that the interval of the two wire clamping cavities 2 decreases, so that the interval of the two wire clamping cavities 2 can be adjusted according to the interval of the two cables, and the situation that the cables are easily damaged when being forced to move close to the installation can be reduced.

[0023] The above is only the preferred embodiment of the present application, the protection scope of the present application is not limited to the above-mentioned embodiments, any technical solution belonging to the idea of the present application is within the protection scope of the present application. It should be noted that for ordinary skilled in the art, some improvements and decorations without departing from the principles of the present application can also be considered as the protection scope of the present application.

Claims

1. A parallel groove clamp comprising two wire clamping cavities (2) provided on a clamp body (1), characterized in that: The clamp body (1) comprises an upper clamp plate and a lower clamp plate, the upper clamp plate comprises two upper half clamping blocks (101) arranged symmetrically left and right, the lower clamp plate comprises two lower half clamping blocks (102) arranged symmetrically left and right, the upper half clamping block (101) and the lower half clamping block (102) are arranged symmetrically up and down, and the upper half clamping block (101) and the lower half clamping block (102) are both provided with a clamping groove (3) arranged in a half ring shape, the clamping groove (3) is formed by the inner wall of the clamping groove (3) on the upper half clamping block (101) and the inner wall of the clamping groove (3) on the lower half clamping block (102), the upper half clamping block (101) is slidably connected to the lower half clamping block (102) through a height adjusting assembly (4), and the upper half clamping block (101) and the lower half clamping block (102) are used to move close to or away from each other through the height adjusting assembly (4); distance adjusting assemblies (5) are arranged between the two lower half clamping blocks (102), and the two lower half clamping blocks (102) are used to move close to or away from each other through the distance adjusting assemblies (5).

2. A parallel groove clamp according to claim 1, wherein: The height adjusting assembly (4) comprises a lead screw (401) and a threaded block (402), the upper half clamping block (101) is provided with a containing groove (6), the threaded block (402) is fixedly connected to the inner wall of the containing groove (6), one end of the lead screw (401) is rotatably installed on the lower half clamping block (102), and the lead screw (401) penetrates through the threaded block (402) and the threaded block (402) is threadedly connected to the outer peripheral wall of the lead screw (401).

3. A parallel groove clamp according to claim 2, wherein: The distance adjusting assembly (5) comprises a lead screw (501) and a threaded block (502), one side of one of the lower half clamping blocks (102) is fixedly connected with a mounting block (7), one end of the lead screw (501) is rotatably installed on the mounting block (7), the threaded block (502) is fixedly connected to one side of the other lower half clamping block (102), the lead screw (501) penetrates through the threaded block (502), and the threaded block (502) is threadedly connected to the outer peripheral wall of the lead screw (501); and the axial direction of the lead screw (501) is arranged in vertical opposition to the axial direction of the lead screw (401).

4. The parallel groove clamp of claim 1, wherein: The inner wall of the clamping groove (3) of the upper half clamping block (101) and the inner wall of the clamping groove (3) of the lower half clamping block (102) are both provided with a clamping piece (8) arranged in an arc shape in cross section, and the arc-shaped concave surface of the clamping piece (8) is provided with an anti-skid pattern.

5. A parallel groove wire clamp according to claim 4, wherein: The arc-shaped convex surface of the clamping piece (8) and the inner wall of the clamping groove (3) are fixedly installed through a spring (9), and the two ends of the spring (9) are fixedly connected to the inner wall of the clamping groove (3) and the clamping piece (8) respectively.

6. A parallel groove wire clamp according to claim 3, wherein: One side of one of the lower half clamping blocks (102) away from the threaded block (502) is fixedly connected with a guide rod (10) parallel to the axial direction of the lead screw (501), one side of the other lower half clamping block (102) away from the mounting block (7) is fixedly connected with a guide strip (11), and one end of the guide strip (11) is provided with a sliding groove accommodating the sliding of the guide rod (10).

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