Strain clamp device for electric power engineering

Abstract

The utility model relates to the technical field of strain clamps, and discloses a strain clamp device for electric power engineering, which comprises a clamp main body, the clamp main body comprises a main clamp body and a plurality of auxiliary clamp bodies, the tail ends of the auxiliary clamp bodies and the main clamp body are in butt joint, two adjacent auxiliary clamp bodies are in butt joint front and back, an open clamp groove I is clamped on the main clamp body, and the open clamp groove II is clamped on the main clamp body. A second open clamping groove is formed in the auxiliary clamp body, first protruding plates are fixedly connected to the two opposite side walls of the tail of the main clamp body, first through holes are formed in the outer sides of the protruding plates in a clamped mode, two second protruding plates are fixedly connected to the two opposite side walls of the auxiliary clamp body, second through holes are formed in the outer sides of the second protruding plates, and long bolts are connected into the second through holes and the first through holes in a penetrating mode. One side of the first long bolt is in threaded connection with a first locking nut. According to the utility model, the number of the auxiliary clamp bodies can be freely adjusted according to clamping grip strength requirements or environmental factors, so that the number of the pressing blocks is adjusted, the pressing force of an electric power lead is adjusted, the adjustability is better, and the installation applicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of strain clamp, concretely relates to a strain clamp device for electric power engineering. BACKGROUND

[0002] The bolt type strain clamp is a kind of strain clamp commonly used in electric power fittings, and is used to fix aluminum stranded wire or steel-cored aluminum stranded wire.The existing bolt type strain clamp is mainly composed of a clamp body, a pressing block and a U-shaped bolt, the clamp body is provided with an open wire slot, the cable is placed in the open wire slot and put into the pressing block, and then the cable is clamped by the U-shaped bolt.

[0003] The existing bolt type strain clamp is generally made of aluminum alloy and is generally integrally cast, so the installation number of U-shaped bolt and pressing block is fixed.This kind of integrally cast bolt type aluminum alloy strain clamp is found by the applicant in actual use that:

[0004] 1, the bolt type aluminum alloy strain clamp is integrally cast, the number of U-shaped bolt and pressing block is fixed, so when large gripping force is required (such as due to environmental factors, such as more windy environment, the power conductor needs large gripping force to ensure stability), the number of pressing block cannot be increased, which leads to the failure to meet the installation requirement, and reduces the installation applicability of the bolt type aluminum alloy strain clamp.

[0005] Therefore, the utility model is provided. UTILITY MODEL CONTENTS

[0006] To solve the above technical problems, the basic concept of the technical scheme of the utility model is:

[0007] A strain clamp device for electric power engineering, including including wire clamp main part, the wire clamp main part includes main clamp body and a plurality of vice clamp body, the vice clamp body and the tail end of main clamp body butt joint together, the front and back butt joint together between adjacent two vice clamp body, the main clamp body is clamped with open clamp groove one, the vice clamp body is opened with open clamp groove two, the opposite two side walls of the tail of main clamp body are fixedly connected with the convex plate one, the outside of the convex plate is clamped with the through -hole one, the opposite two side walls of vice clamp body are fixedly connected with two convex plate two, the outside of the convex plate two is opened with the through -hole two, the long bolt is connected in the through -hole two and the through -hole one, the long bolt one side is connected with the lock nut one.

[0008] As a preferred embodiment of the utility model, the opposite two side walls of the tail of main clamp body are fixedly connected with the positioning block one, the front and back sides of the opposite two side walls of vice clamp body are fixedly connected with the positioning plate and the positioning block two respectively, the positioning plate is opened with the positioning groove, and the positioning groove is matched with the positioning block one and the positioning block two.

[0009] As a preferred embodiment of the utility model, the main clamp body is provided with an obvious bending position.

[0010] As a preferred embodiment of the utility model, the open clamping groove two of each of the auxiliary clamp bodies is clamped with a pressing block, the bottom of the pressing block is provided with a U-shaped groove, a U-shaped bolt is clamped in the U-shaped groove, the two protruding plates two on each side wall of the auxiliary clamp body form a socket matched with the U-shaped bolt, the U-shaped bolt penetrates the socket, and the two ends of the U-shaped bolt are both threadedly connected with locking nuts two.

[0011] As a preferred embodiment of the utility model, a through insertion hole is formed in the main clamp body, a shaft bolt is inserted in the insertion hole, and a fixing nut is threadedly connected to one side of the shaft bolt.

[0012] As a preferred embodiment of the utility model, a drop-preventing hole is formed in one side of the shaft bolt, and a split pin is inserted in the drop-preventing hole.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model has the beneficial effects that,

[0015] 1. The bolt type aluminum alloy strain clamp is composed of a main clamp body and a plurality of auxiliary clamp bodies, so that the number of auxiliary clamp bodies can be freely adjusted according to the clamping force requirement or environmental factors, the number of pressing blocks is adjusted, and the compression force of the power conductor is adjusted, so that the adjustability is better than that of the existing integrated bolt type aluminum alloy strain clamp, and the installation applicability is improved.

[0016] The specific embodiments of the utility model will be further described in detail in combination with the drawings. DRAWINGS

[0017] In the drawings:

[0018] Fig. 1 It is a exploded perspective view of the utility model;

[0019] Fig. 2 It is a front view of the utility model;

[0020] Fig. 3 It is a perspective view of the auxiliary clamp body in the utility model.

[0021] In the figure: 1, wire clamp main body; 2, main clamp body; 3, vice clamp body; 4, open clamp groove one; 5, open clamp groove two, 6-convex plate one, 7- through hole one, 8-convex plate two, 9- through hole two, 10-long bolt, 11-locking nut one, 12-positioning block one, 13-positioning plate, 14-positioning block two, 15-positioning groove, 16-pressing block, 17-U-shaped groove, 18-U-shaped bolt, 19-socket, 20-locking nut two, 21-socket, 22-shaft bolt, 23-fixing nut, 24-anti-drop hole, 25- split pin. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the utility model embodiment more clear, the technical scheme in the embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment, and the following embodiments are used to illustrate the utility model.

[0023] As Figs. 1-3 shown, a strain clamp device for electric power engineering, including wire clamp main body 1, wire clamp main body 1 includes main clamp body 2 and several vice clamp body 3, vice clamp body 3 and the tail end of main clamp body 2 butt joint together, the front and back butt joint together between adjacent two vice clamp body 3, in this structure, main frame body 2 and multiple vice clamp body 3 form bolt type aluminum alloy strain clamp for electric power engineering.

[0024] As Figs. 1-3 shown, further, the open clamp groove one 4 is clamped on the main clamp body 2, and the open clamp groove two 5 is opened in the vice clamp body 3, this structure utilizes electric power wire and can be clamped into the open clamp groove one 4 of main clamp body 2 and the open clamp groove two 5 of vice clamp body 3, so as to facilitate locking and fixing the wire later.

[0025] As Figs. 1-3 shown, further, the main clamp body 2 is provided with an obvious bending part, the bending part can increase the friction force between the wire and the main clamp body 2, and change the stress direction of the electric power wire, and strengthen the gripping force of the electric power guide.

[0026] As Figs. 1-3As shown, further, the tail of the main clamp body 2 is fixedly connected with two flanges 6 on the opposite two side walls, the outer side of the flange 6 is provided with a through hole 7, the opposite two side walls of the auxiliary clamp body 3 are fixedly connected with two flanges 8, the outer side of the flange 8 is provided with a through hole 9, the through hole 9 and the through hole 7 are connected with a long bolt 10, one side of the long bolt 10 is threadedly connected with a lock nut 11, in use, the auxiliary clamp body 3 is butted together in sequence, then the frontmost auxiliary clamp body 3 is butted with the tail of the main clamp body 2, then the long bolt 10 is inserted through the through hole 9 of the flange 8 and the through hole 7 of the flange 6, then the lock nut 11 is screwed on the bolt 10, thereby the plurality of auxiliary clamp bodies 3 are arranged and locked on the main clamp body 2 in sequence, thereby the completed strain clamp is formed, the strain clamp of the whole structure adopts a split structure, thereby the number of the auxiliary clamp bodies 3 can be freely adjusted according to the demand of clamping force or environmental factors, compared with the existing integrated bolt type aluminum alloy strain clamp, the installation applicability is better.

[0027] As shown in Figs. 1-3 further, the tail of the main clamp body 2 is fixedly connected with two positioning blocks 12 on the opposite two side walls, the front and back of the opposite two side walls of the auxiliary clamp body 3 are fixedly connected with a positioning plate 13 and a positioning block 14 respectively, the positioning plate 13 is provided with a positioning groove 15, the positioning groove 15 is adaptedly connected with the positioning block 12 and the positioning block 14, in this structure, the positioning groove 15 of the positioning plate 13 of the auxiliary clamp body 3 is adaptedly connected with the positioning block 12 of the main clamp plate 2, thereby the connection of the auxiliary clamp body 3 and the main clamp body 2 is positioned, similarly, the positioning groove 15 of the positioning plate 13 of the adjacent auxiliary clamp plate 3 is connected with the positioning block 14, thereby the connection of the adjacent two auxiliary clamp plates 3 is positioned.

[0028] As shown in Figs. 1-3 further, the open clamp groove 5 of each auxiliary clamp body 3 is inserted with a pressing block 16, the bottom of the pressing block 16 is provided with a U-shaped groove 17, the U-shaped groove 17 is inserted with a U-shaped bolt 18, the two flanges 8 on each side wall of the auxiliary clamp body 3 form a socket 19 adapted to the U-shaped bolt 18, the U-shaped bolt 18 is inserted through the socket 19, the two ends of the U-shaped bolt 18 are threadedly connected with lock nuts 20, in this structure, after the power conductor is inserted into the open clamp groove 5, the personnel first inserts the pressing block 16 into the open clamp groove 5 and presses the power conductor, then the personnel inserts the U-shaped bolt 18 into the socket 19 composed of the two flanges 8, until the arc-shaped part of the U-shaped bolt 18 is inserted into the U-shaped groove 17 of the pressing block 16, then the personnel screws the lock nuts 20 on the two ends of the U-shaped bolt 18, cooperated with the flanges 8, thereby the pressing block 16 can press and fix the power conductor in the auxiliary clamp body 3.

[0029] As shown in Figs. 1-3As shown, further, the main clamp body 2 is provided with a through hole 21, the shaft bolt 22 is inserted through the through hole 21, and the fixed nut 23 is threadedly connected to one side of the shaft bolt 22. The shaft bolt 22 is inserted through the through hole 21 and fixed to the main clamp body 2 by the fixed nut 23. In the later stage, the shaft bolt 22 can be connected to the power pole through the connecting fixed clamp, so as to fix the bolt type aluminum alloy strain clamp on the power pole.

[0030] As shown, Figs. 1-3 Further, the shaft bolt 22 is provided with a drop prevention hole 24 on one side, and the split pin 25 is inserted through the drop prevention hole 24. When the shaft bolt 22 is fixed to the main clamp body 2, the personnel can insert the split pin 25 into the drop prevention hole 24, so as to block the position of the fixed nut 23 and prevent the fixed nut 23 from loosening from the shaft bolt 22, thereby ensuring the safety of the structure connection.

[0031] It should be noted that the strain clamp disclosed in the above embodiment is mainly applied to the fixing of power conductors in power engineering and belongs to the technical field of power engineering installation devices.

[0032] The implementation principle of the strain clamp device for power engineering in the embodiment is as follows: in use, the personnel abut the auxiliary clamp bodies 3 in sequence, abut the frontmost auxiliary clamp body 3 with the tail of the main clamp body 2, insert the long bolt 10 through the through hole two 9 of the second plate 8 and the through hole one 7 of the convex plate one 6, and then screw the locking nut one 11 on the bolt 10, so as to arrange and lock the plurality of auxiliary clamp bodies 3 on the main clamp body 2 in sequence. Then, the power conductor is clamped into the open clamp groove one 4 of the main clamp body 2 and the open clamp groove two 5 of the auxiliary clamp body 3, the shaft bolt 22 of the main clamp body 2 is connected to the power pole through the connecting fixed clamp, so as to fix the bolt type aluminum alloy strain clamp on the power pole. Then, the personnel clamp the pressing block 16 into the open clamp groove two 5 and press the power conductor, insert the U-shaped bolt 18 into the socket 19 composed of two convex plates two 8, clamp the arc-shaped part of the U-shaped bolt 18 into the U-shaped groove 17 of the pressing block 16, and then screw the locking nut two 20 on both ends of the U-shaped bolt 18, so as to cooperate with the convex plate two 8 and press the power conductor in the auxiliary clamp body 3 by the pressing block 16.

Claims

1. A tension clamp device for electric power engineering, comprising a clamp body (1), characterized in that: The wire clamp body (1) includes a main clamp body (2) and a plurality of auxiliary clamp bodies (3), the tail ends of the auxiliary clamp bodies (3) and the main clamp body (2) are butted together, and the front and rear ends of two adjacent auxiliary clamp bodies (3) are butted together, the main clamp body (2) is provided with an open clamp groove (4), and the auxiliary clamp body (3) is provided with an open clamp groove (5), and the two opposite side walls of the tail of the main clamp body (2) are fixedly connected with a convex plate (6), and the outer side of the convex plate (6) is provided with a through hole (7), and the opposite side walls of the auxiliary clamp body (3) are fixedly connected with two convex plates (8), and the outer side of the convex plate (8) is provided with a through hole (9), and a long bolt (10) is connected through the through hole (9) and the through hole (7), and one side of the long bolt (10) is threadedly connected with a locking nut (11).

2. A tension clamp device for electric power engineering according to claim 1, characterized in that: Positioning blocks 1 (12) are fixedly connected to the two opposite side walls at the rear of the main clamp (2), and positioning plates (13) and positioning blocks 2 (14) are fixedly connected to the front and rear sides of the two opposite side walls of the auxiliary clamp (3), respectively. Positioning grooves (15) are provided on the positioning plates (13), and the positioning grooves (15) are adapted to be snap-fitted to the positioning blocks 1 (12) and the positioning blocks 2 (14).

3. The tension clamp device for electric power engineering according to claim 1, characterized in that: The main clamping body (2) is provided with an obvious curved portion.

4. A tension clamp device for electric power engineering according to claim 1, characterized in that: A pressure block (16) is inserted into the second open clamping groove (5) of each auxiliary clamping body (3), a U-shaped groove (17) is provided at the bottom of the pressure block (16), a U-shaped bolt (18) is inserted into the U-shaped groove (17), and a socket (19) adapted to the U-shaped bolt (18) is formed between the two protruding plates (8) on each side wall of the auxiliary clamping body (3), the U-shaped bolt (18) passes through the socket (19), and both ends of the U-shaped bolt (18) are threadedly connected with a second locking nut (20).

5. The tension clamp device for electric power engineering according to claim 1, characterized in that: The main clamp body (2) is provided with a through insertion hole (21), an axis bolt (22) is inserted through the insertion hole (21), and a fixing nut (23) is threadedly connected to one side of the axis bolt (22).

6. A tension clamp device for electric power engineering according to claim 5, characterized in that: An anti-drop hole (24) is provided on one side of the shaft bolt (22), and a cotter pin (25) is inserted through the anti-drop hole.

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