Anti-fracture preformed armor rod type strain clamp

Abstract

The utility model discloses an anti-fracture pre-twisted wire type strain clamp. The anti-fracture pre-twisted wire type strain clamp comprises a heart-shaped ring, a U-shaped frame and a fixing bolt, a pre-twisted wire is arranged in the heart-shaped ring, and a fastening ring is arranged on one side of the pre-twisted wire; the U-shaped frame is arranged on the surface of the heart-shaped ring, and the top of the U-shaped frame is connected with a connecting column; according to the utility model, the inner stranded wire of the pre-twisted wire is firstly wound on the surface of the cable, then the outer stranded wire is wound on the surface of the cable, the pre-twisted wire does not intersect and is uniform in gap, the tail ends of the outer stranded wire and the inner stranded wire are wound in place, and the tail end of the pre-twisted wire is fastened on the surface of the cable by the fastening ring, so that the connection with the cable becomes more stable; the threaded sleeve on the outer side is controlled to start to move through the threaded rod, the limiting ring is connected to the outer side of the U-shaped frame in a sliding mode, the threaded sleeve and the clamping plate are controlled to move in a vertical state, the clamping plate can be clamped and fixed to the surface of the heart-shaped ring, and in strong wind weather, the U-shaped frame can be prevented from shaking on the surface of the heart-shaped ring greatly.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tension clamp technical field, concretely is a kind of pre-stranded wire type tension clamp of anti-fracture. BACKGROUND

[0002] Pre-stranded tension clamp is a kind of tension clamp widely used, is used for the fixation of the middle, terminal of overhead line conductor and overhead optical cable, with high gripping force, light weight, stress distribution is uniform, good corrosion resistance, simple installation, strong versatility etc., is widely used on conductor and overhead composite ground wire OPGW, overhead composite phase wire OPPC, full dielectric self-supporting overhead optical cable ADSS etc.

[0003] In prior art, under the influence of strong wind, when the tension between conductor and tension clamp is too large, it is also easy to cause the separation between tension clamp and cable, or cause the fracture of cable or the huge swing of positioning ring and frame, serious power accident occurs.In view of this, we launch a kind of pre-stranded wire type tension clamp of anti-fracture. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of pre-stranded wire type tension clamp of anti-fracture to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of pre-stranded wire type tension clamp of anti-fracture, comprising: heart type ring, U-shaped frame and fixed bolt;

[0006] The inside of the heart type ring is provided with pre-stranded wire, and the side of the pre-stranded wire is provided with fastening ring, and the fastening ring is used to fix the pre-stranded wire;

[0007] The U-shaped frame is arranged on the surface of the heart type ring, the top of the U-shaped frame is connected with connecting column, and the connecting column and the U-shaped frame are fixedly arranged, the top of the connecting column is provided with positioning ring, and the positioning ring and the connecting column are fixedly arranged, and the number of the positioning ring is two groups;

[0008] The fixed bolt is arranged on the inner side of the two groups of positioning rings, and the inner side of the U-shaped frame is provided with reinforcing mechanism, the threaded sleeve and the clamping plate are driven to move downward by the threaded rod of the reinforcing mechanism, so that the clamping plate is fixed to the heart type ring as a whole.

[0009] Preferably, the reinforcing mechanism includes the top of the threaded rod connecting rotating rod, the rotating rod and the threaded rod are fixedly arranged, the rotating rod is rotatably connected in the inside of fixed bolt, the top of the rotating rod is connected with rotating disc, and the rotating disc and the rotating rod are fixedly arranged, the threaded sleeve is screwed on the surface of the threaded rod, and the clamping plate is connected at the bottom of the threaded sleeve, and the clamping plate and the threaded sleeve are fixedly arranged.

[0010] Preferably, the surface of the threaded sleeve is connected with a limiting rod, one side of the limiting rod is connected with a limiting ring, the limiting ring is slidingly connected with the surface of the U-shaped frame, the limiting ring and the limiting rod are fixedly arranged, and the limiting ring and the limiting rod can limit the movement of the threaded sleeve by the arrangement of the U-shaped frame.

[0011] Preferably, the surface of the fixing bolt is screwed with a nut, and the nut is located on one side of one of the positioning rings, and the nut is screwed on the surface of the fixing bolt to fix the positioning ring.

[0012] Preferably, one side of the pre-stranded wire is connected with a connecting end, the connecting end and the pre-stranded wire are integrally formed, the other side surface of the pre-stranded wire is connected with an outer stranded wire, the outer stranded wire and the pre-stranded wire are integrally formed, and the other side surface of the pre-stranded wire is connected with an inner stranded wire at the bottom of the outer stranded wire.

[0013] Preferably, the inner side of the pre-stranded wire is provided with a cable.

[0014] Compared with the prior art, the utility model discloses a pre-stranded wire is passed through the heart type ring, the connecting end on the pre-stranded wire is connected with the heart type ring, the pre-stranded wire is parallel with the cable, the inner stranded wire of the pre-stranded wire is first wound on the surface of the cable, then the outer stranded wire is wound on the surface of the cable, the pre-stranded wire is not crossed during the pre-stranding, the gap is uniform, the ends of the outer stranded wire and the inner stranded wire are wound in place, the fastening ring is used, the end of the pre-stranded wire is fastened on the surface of the cable, the connection between the pre-stranded wire and the cable becomes more stable, and the breaking condition is avoided.

[0015] By rotating the rotating disc to drive the rotating rod and the threaded rod to rotate, the threaded rod can control the outer threaded sleeve to start moving, the threaded sleeve is slidingly connected with the outside of the U-shaped frame through the outside limiting ring, so that the movement of the threaded sleeve and the clamping plate can be controlled to be always in the vertical state, and the clamping plate can be clamped and fixed with the surface of the heart type ring, so that the fixing is completed, and when strong wind weather occurs, the U-shaped frame can be prevented from greatly shaking on the surface of the heart type ring. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural schematic view of the utility model;

[0017] Fig. 2 It is a structural schematic view of the utility model when the fixing bolt, the U-shaped frame and the heart type ring are connected;

[0018] Fig. 3 It is a structural schematic view of the pre-stranded wire of the utility model.

[0019] In the figure: 1, heart-shaped ring; 2, pre-stranded wire; 21, connecting end; 22, inner stranded wire; 23, outer stranded wire; 3, cable; 4, fastening ring; 5, U-shaped frame; 6, limiting ring; 7, fixing bolt; 8, rotating disc; 9, connecting column; 10, positioning ring; 11, rotating rod; 12, threaded rod; 13, threaded sleeve; 14, limiting rod; 15, clamping plate; 16, nut. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Please refer to Figs. 1-3 The present application provides a technical solution: a pre-stranded wire type strain clamp capable of preventing breakage, comprising: a heart-shaped ring 1, the inside of the heart-shaped ring 1 is provided with a pre-stranded wire 2, one side of the pre-stranded wire 2 is provided with a fastening ring 4;

[0022] A U-shaped frame 5 is arranged on the surface of the heart-shaped ring 1, the top of the U-shaped frame 5 is connected with a connecting column 9, the top of the connecting column 9 is provided with a positioning ring 10, and the number of the positioning ring 10 is two groups;

[0023] A fixing bolt 7 is arranged on the inner side of the two groups of positioning rings 10, and a reinforcing mechanism is arranged on the inner side of the U-shaped frame 5. The threaded rod 12 of the reinforcing mechanism drives the threaded sleeve 13 and the clamping plate 15 to move downward, so that the clamping plate 15 fixes and clamps the whole heart-shaped ring 1.

[0024] The reinforcing mechanism comprises a rotating rod 11 connected to the top of the threaded rod 12, the rotating rod 11 and the threaded rod 12 are fixedly arranged, the rotating rod 11 is rotatably connected in the inside of the fixing bolt 7, the top of the rotating rod 11 is connected with a rotating disc 8, the rotating disc 8 and the rotating rod 11 are fixedly arranged, the threaded sleeve 13 is screwed on the surface of the threaded rod 12, the clamping plate 15 is connected to the bottom of the threaded sleeve 13, and the clamping plate 15 and the threaded sleeve 13 are fixedly arranged.

[0025] The surface of the threaded sleeve 13 is connected with a limiting rod 14, one side of the limiting rod 14 is connected with a limiting ring 6, the limiting ring 6 is slidably connected on the surface of the U-shaped frame 5, and the limiting ring 6 and the limiting rod 14 are fixedly arranged. By arranging the U-shaped frame 5, the limiting ring 6 and the limiting rod 14 can limit the movement of the threaded sleeve 13.

[0026] The surface of the fixing bolt 7 is screwed with a nut 16, and the nut 16 is located on one side of one set of the positioning ring 10, and the nut 16 is screwed on the surface of the fixing bolt 7 to fix the positioning ring 10.

[0027] The side of the pre-stranded wire 2 is connected with a connecting end 21, and the connecting end 21 and the pre-stranded wire 2 are integrally formed; the other side surface of the pre-stranded wire 2 is connected with an outer stranded wire 23, and the outer stranded wire 23 and the pre-stranded wire 2 are integrally formed; and the other side surface of the pre-stranded wire 2 is connected with an inner stranded wire 22 at the bottom of the outer stranded wire 23, and the pre-stranded wire 2 and the inner stranded wire 22 are integrally formed.

[0028] The inner side of the pre-stranded wire 2 is provided with a cable 3.

[0029] Specifically, in use, before installing the pre-stranded wire 2, the pre-stranded wire 2 is first threaded through the heart-shaped ring 1, the connecting end 21 on the pre-stranded wire 2 is connected with the heart-shaped ring 1, the pre-stranded wire 2 is parallel to the cable 3, the inner stranded wire 22 of the pre-stranded wire 2 is first wound on the surface of the cable 3, then the outer stranded wire 23 is wound on the surface of the cable 3, the pre-stranded wire 2 is not crossed during the winding, the gap is uniform, the ends of the outer stranded wire 23 and the inner stranded wire 22 are wound in place, the fastening ring 4 is used to fasten the end of the pre-stranded wire 2 on the surface of the cable 3, so that the connection between the pre-stranded wire 2 and the cable 3 becomes more stable.

[0030] By rotating the rotating disc 8 to drive the rotating rod 11 and the threaded rod 12 to rotate, the outer thread on the outer side of the threaded rod 12 matches and rotates with the inner thread on the inner side of the threaded sleeve 13, at this time the threaded rod 12 can control the outer threaded sleeve 13 to start moving, the threaded sleeve 13 is slidably connected to the outer side of the U-shaped frame 5 through the outer limiting ring 6, so that the movement of the threaded sleeve 13 and the clamping plate 15 can always be in a vertical state, and the clamping plate 15 will be clamped and fixed with the surface of the heart-shaped ring 1, thereby completing the fixing, and when strong winds occur, the U-shaped frame 5 can be prevented from shaking greatly on the surface of the heart-shaped ring 1.

[0031] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A pre-twisted wire tension clamp designed to prevent breakage, characterized in that, include: Heart-shaped ring (1), the heart-shaped ring (1) is provided with pre-twisted wire (2) inside, and a fastening ring (4) is provided on one side of the pre-twisted wire (2); U-shaped frame (5), the U-shaped frame (5) is set on the surface of heart-shaped ring (1), the top of the U-shaped frame (5) is connected to a connecting post (9), the top of the connecting post (9) is provided with a positioning ring (10), and the number of positioning rings (10) is two sets; Fixed bolts (7) are set on the inner side of the two sets of positioning rings (10). A reinforcing mechanism is provided on the inner side of the U-shaped frame (5). The threaded rod (12) of the reinforcing mechanism drives the threaded sleeve (13) and the clamping plate (15) to move down so that the clamping plate (15) can fix and clamp the heart-shaped ring (1) as a whole.

2. The anti-breakage pre-twisted tension clamp according to claim 1, characterized in that, The reinforcement mechanism includes a rotating rod (11) connected to the top of the threaded rod (12), the rotating rod (11) being rotatably connected inside the fixing bolt (7), a turntable (8) being connected to the top of the rotating rod (11), the threaded sleeve (13) being screwed onto the surface of the threaded rod (12), and the clamping plate (15) being connected to the bottom of the threaded sleeve (13).

3. The anti-breakage pre-twisted tension clamp according to claim 2, characterized in that, The surface of the threaded sleeve (13) is connected to a limiting rod (14), and one side of the limiting rod (14) is connected to a limiting ring (6), which slides on the surface of the U-shaped frame (5).

4. The anti-breakage pre-twisted tension clamp according to claim 1, characterized in that, The surface of the fixing bolt (7) is screwed with a nut (16), and the nut (16) is located on one side of one of the positioning rings (10).

5. A pre-twisted tension clamp for preventing breakage according to claim 1, characterized in that, One side of the pre-twisted wire (2) is connected to a connecting end (21), the other side surface of the pre-twisted wire (2) is connected to an outer strand (23), and the other side surface of the pre-twisted wire (2) is connected to an inner strand (22) at the bottom of the outer strand (23).

6. The anti-breakage pre-twisted tension clamp according to claim 1, characterized in that, A cable (3) is provided on the inner side of the pre-twisted wire (2).

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