JP6808087B2 - Dual wheel wire fixing device - Google Patents

Description

The present invention relates to the field of cable attachment, specifically, a dual wheel wire fixing device.

When erection of a cable wire, the cable wire is generally fixed straight by a street cord, and the conventional street cord consists of a street cord bracket that can be attached to a wall surface or a utility pole and an insulator used to support the cable. , When the cable penetrates the street cord, it generally sticks to the insulator and the cable and the insulator are bundled and fixed by a twisting method, and the efficiency of such a method is reduced and bundled with the bundling method. There is no unified standard for tightness, there is a large chance of chance, the wire is not easily fixed firmly, it loosens after long-term use, and it is usually twisted by using a metal wire such as an aluminum wire, and the cable outer skin. If it is wound directly around the wire, the outer skin of the cable may be damaged, and there is a risk of overheating of the cable or short circuit of electric leakage, and the insulated cable may come into direct contact with the metal wire to cause electric leakage.

In addition, conventional street cords can generally fix only one set of cables, and when it is necessary to pass multiple sets of cables, multiple conventional street cords must be installed, which is not enough to waste resources. It occupies a lot of space, especially if too many conventional street cord brackets are attached to the wall of the building, which greatly affects the aesthetics of the entire wall of the building and poses many safety risks.

An object of the present invention is to provide a dual wheel wire fixing device, which can replace the method of fixing a cable to a street cord bracket and twisting to bundle the cable, and the operation is It is simple, does not easily damage the outer skin of the cable, leaves the street cord bracket of the conventional street cord and the first insulating ring, has a wide range of applications, and is strong in gripping the cable and does not come off easily. In addition, the dual wheel wire fixing device can fix one set, two sets, three sets or four sets of cables to one street cord bracket at the same time, making the cable arrangement compact and reducing the space. ..

The present invention is realized by the following technical proposal.
The dual wheel wire fixing device includes a street cord bracket and at least a pair of insulating rings, each pair of insulating rings includes one first insulating ring and one second insulating ring, and the street cord bracket has one. Includes a vertical base and at least two horizontal mounting bases installed in parallel with the base, one end of the mounting base is fixed or firmly connected to the base, and each second insulating ring is in one mounting base. Set horizontally, each first insulating ring is arranged vertically between two adjacent mounting bases, fixed to the mounting base by penetrating a vertical connecting rod, and a cable is attached to the first insulating ring. A first wire clamp used to secure the cable onto the first wire clamp is attached, and a second wire clamp used to secure the cable onto the second insulating ring is attached to the second insulating ring.

Preferably, the first insulated ring and the second insulated ring have a column wheel structure in which the inside of the side peripheral surface is recessed and a shaft hole is provided in the center, and the outside of one end of the second insulated ring near the base. The diameter is larger than the outer diameter of the other end.

Preferably, the mounting base is provided with at least one step of a lateral shaft structure, and the second insulating ring can be set laterally on the shaft structure and rotated on it.

Preferably, a metal bushing is provided in the shaft hole of the first insulated ring and / or in the shaft hole of the second insulated ring.

Preferably, the first wire clamp and / or the second wire clamp is an integrated pair hook wire clamp, and the integrated pair hook wire clamp is one clamp plate, one connection plate and at least two J-types. The side rod of the J-shaped clamp including the clamp is a lock rod, the clamp plate is provided with a lock hole corresponding to the lock rod, and at least two lock holes are provided diagonally in the clamp plate. , The lock rods of the J-type clamps vertically penetrate the lock holes of the clamp plates and are connected to the clamp plates by a locking mechanism so that the back surface of the connection plates is overlapped inside the hooks of each J-type clamp. However, the front surface of the connecting plate faces the front surface of the clamp plate and is provided on both sides of the insulating ring, respectively. One side of the insulating ring is in contact with the front surface of the clamp plate or the front surface of the connecting plate, and the other side is. Together with the lock rod of each J-clamp and the front of the connecting plate or the front of the clamp plate, it forms a path through which the cable penetrates.

Preferably, a position-limited slot corresponding to the J-type clamp is provided on the back surface of the connection plate, and the inside of the hook of the J-type clamp is fitted into the position-limited slot to fit tightly.

Preferably, the lock mechanism is a screw connection mechanism, the screw connection mechanism is provided with a male screw on the lock rod, and the lock rod is further screw-connected with a lock nut.

Preferably, the locking mechanism is a counter-stop self-locking mechanism, and the structure of the counter-stop self-locking mechanism is such that the lock rod is provided with counter-locking ring teeth at the tips of a plurality of diagonally oriented lock rods arranged continuously. An opening is provided on the side of the lock hole, a moving lock block is provided in the opening, and a lock tooth that meshes with a check ring tooth is provided on the side of the lock block near the lock rod. The side of the lock spring that is detached from the lock rod abuts on the lock spring, and the other end of the lock spring abuts on the side wall of the opening.

Preferably, the opening is a lock slot provided on the back surface of the clamp plate, the lock slot is provided with a cover plate, the lock block and the lock spring are arranged in the lock slot, and one end of the lock spring is locked. It abuts the block, the other end abuts the side wall of the lock slot, and the lock block moves under the guide on the cover plate and the bottom of the lock slot.

Preferably, a pressure receiving block is further included, a protrusion structure is provided on one side of the pressure receiving block, and a concave hole structure is provided on the front surface of the connection plate and / or the front surface of the clamp plate. Is inserted into the recessed hole structure and clamped into it.

Preferably, the front surface of the connection plate and / or the front surface of the clamp plate has a concave structure.

Preferably, the front surface of the connection plate and / or the front surface of the clamp plate is further provided with non-slip protrusions or non-slip stripes.

Preferably, the material of the integrated pair hook wire clamp includes an inner frame made of a metal material and an outer frame made of a plastic or rubber material.

Preferably, the back surface of the clamp plate is further provided with a protective cover used to protect the lock rod, which is detachably connected to the clamp plate.

Preferably, the first insulating ring employs a spool insulator and is curved so that the upper and lower parts of the connection plate or clamp plate can mesh with the upper and lower ring slots of the spool insulator along the respective. Ribs are provided.

The beneficial effects of the dual-wheel wire fixing device of the present invention are as follows: (1) By fixing the cable to the insulating ring of the street cord bracket, the wire clamp replaces the method of twisting and bundling the cable, and the outer skin of the cable is less likely to be damaged. , The fixing of the cable is strong and hard to come off. (2) Two sets of wire clamps can be installed on the street cord bracket at the same time, and each set of wire clamps can fix one or two sets of cables at the same time, and one street cord bracket can have one set or two sets. Three or four sets of cables can be fixed at the same time, making the cable arrangement compact and reducing space. (3) The J-type clamp structure is simple, easy to install, and flexible, and each J-type clamp is connected to one by using a connection plate, leaving the advantage that the J-type clamp is easy to install and flexible. Not only that, the cable can be securely clamped to the street cord in the street cord bracket, whether straight or curved, and both can grip the cable with an insulating ring. , Cable arrangement is flexible. (4) The non-return ring tooth of the lock rod, the lock block in the clamp plate lock hole, and the lock spring mesh to form a non-return self-lock mechanism, and the lock rod can only move forward and backward in the clamp plate. When operating, if you insert the clamp plate directly into the lock rod, it will automatically lock and it will not loosen easily. When you need to open it, just push the lock spring back to return the lock block and lock the clamp plate. It can be taken out freely from, the operation is extremely light, it is easy to use, and it is especially suitable for overhead wire construction in high places.

Hereinafter, in order to fully understand the object, feature and effect of the present invention by combining the drawings, the concept, concrete structure and effect of the present invention will be further described.

It is a structural schematic diagram of the dual wheel wire fixing device of this invention. It is a structural schematic view of the street cord bracket and the insulation ring of FIG. It is a structural schematic diagram of the street cord bracket of FIG. It is a structural schematic of the integrated pair hook wire clamp of Example 1. FIG. It is an exploded three-dimensional view of FIG. It is a structural schematic view of the J type clamp of FIG. It is a structural schematic view of the clamp plate of FIG. It is a structural schematic view of the connection plate of FIG. It is a structural schematic view of the 1st insulation ring of FIG. It is a structural schematic view of the 2nd insulation ring of FIG. It is a reference figure of the use state of the dual wheel wire fixing device of this invention. It is a schematic disassembled structure of the integrated pair hook wire clamp of Example 2 of this invention.

In order to further clarify and clarify the object, technical proposal and advantages of the present invention, the present invention will be described in more detail below by combining the drawings. It should be understood that the specific examples described herein are for illustration purposes only, not for limiting the invention.

As a matter of explanation, the terms "front", "back", "front", "rear" and similar expressions used in the text are for the purpose of explaining the present invention and not for limiting the present invention. Absent.

[1. First Embodiment]
As shown in FIG. 1-11, the dual wheel wire fixing device includes a street cord bracket 1 and four pairs of insulating rings, each pair of insulating rings being one first insulating ring 11 and one second insulating ring. Including 12, the street cord bracket 1 includes one vertical base 13 and five horizontal mounting bases 14 provided in parallel with the base 13, one end of the mounting base 14 being fixedly connected to the base 13. Each of the second insulating rings 12 is set horizontally on one mounting base 14, and each of the first insulating rings 11 is arranged vertically between two adjacent mounting bases 14, and a vertically oriented connecting rod. The first wire clamp 201 used for fixing the cable 3 on the first insulating ring 11 is attached to the first insulating ring 11 by fixing to the mounting base 14 by penetrating the 15 and the cable 3 is mounted on the second insulating ring 12. A second wire clamp 202 used for fixing to is attached.

Each set of erection cable wires usually includes four sets of cable wires, and the street cord bracket 1 is provided with a corresponding number of first insulating rings 11 and second insulating rings 12, and a first wire clamp 201 is attached thereto. And the second wire clamp 202 can fix at least one set of cables 3 respectively, and one set, two sets or two sets or more of cables 3 are fixed at the same time in the street cord bracket 1, and the arrangement of the cables 3 is made compact. , Save space. By fixing the cable 3 to the insulating ring of the street cord bracket 1, the wire clamp replaces the method of twisting and bundling the cable 3, the outer skin of the cable 3 is not easily damaged, and the fixing of the cable 3 is strong and hard to come off.

As a preferred embodiment, as shown in FIGS. 9 and 10, the first insulated ring 11 and the second insulated ring 12 have a column wheel structure in which the side peripheral surface is recessed and a shaft hole is provided in the center, and the second insulating ring 11 and the second insulated ring 12 have a second insulating ring structure. The outer diameter of one end of the insulating ring 12 near the base 13 is larger than the outer diameter of the other end. In this structure, the cable 3 fixed to the second insulating ring 12 slides down toward the base 13 of the street cord bracket 1 and sticks to the base 13, so that the outer skin of the cable 3 is worn or the insulating structure of the outer skin of the cable 3 is destroyed. Can be prevented.

As a preferred embodiment, as shown in FIG. 3, the mounting base 14 is provided with at least one step of a lateral shaft structure 141, and the second insulating ring 12 is set laterally on the shaft structure 141 and rotated on the shaft structure 141. it can. When it is necessary to straighten or pull the cable 3 during overhead wire construction, the cable 3 is placed in the concave surface of the second insulating ring 12, and in the process of pulling the cable 3, the second insulating ring 12 is moved to rotate, and the first The two insulated rings 12 provide rotational support to the pulling cable 3 to further facilitate the cable 3 in the process of pulling or straightening, increasing the efficiency of wire clamping, and in the process of pulling. The cable 3 and the street cord bracket 1 can be effectively protected without rubbing against each other and wearing, and the outer skin of the cable 3 is not rubbed.

As a preferred embodiment, a metal bushing is provided in the shaft hole of the first insulated ring 11 and / or in the shaft hole of the second insulated ring 12.

As a preferred embodiment, as shown in FIGS. 4 and 5, the first wire clamp 201 and the second wire clamp 202 are integrated pair hook wire clamps, and the integrated pair hook wire clamp is one clamp plate 22. The side rod of the J-clamp 21 including one connection plate 23 and two J-clamps 21 is a lock rod 212, and the clamp plate 22 is provided with a lock hole 222 corresponding to the lock rod 212 and at least two. The two lock holes 222 are provided diagonally in the clamp plate 22, and the lock rod 212 of the J-shaped clamp 21 vertically penetrates the lock hole 222 of the clamp plate 22 and moves with the clamp plate 22 by the lock mechanism. The back surface of the connection plate 23 is superposed on the inside of the hook 211 of each J-shaped clamp 21, and the front surface of the connection plate 23 faces the front surface of the clamp plate 22, and each is an insulated ring (first insulated ring 11). One side of the insulating ring is in contact with the front surface of the clamp plate 22 or the front surface of the connecting plate 23, and the other side is provided with the lock rod 212 and the lock rod 212 of each J-shaped clamp 21. Together with the front of the connecting plate 23 or the front of the clamp plate 22, a path through which the cable 3 penetrates is formed. As for the lock mechanism, a male screw 2121 is provided on the lock rod 212 by using a screw connection mechanism, a lock nut 213 is further screwed to the lock rod 212, and the clamp plate 22 is connected by tightening the lock nut 213. The cable 3 can be fixed to the insulating ring by locking in the direction of 23.

When operating, the operator attaches the cable 3 to the side of the insulating ring and penetrates the path, at which time the lock rods 212 of the two J-clamps 21 are on both sides of the cable 3 and then on the J-clamp 21. When the clamp plate 22 is locked in the direction of the connecting plate 23 by the lock nut 213, the cable 3 can be fixed to the insulating ring and twisted to replace the method of bundling the cables 3, so that the outer skin of the cable 3 is not easily damaged and the cable is not damaged. The fixing of 3 is strong and hard to come off. By connecting each J-type clamp 21 to one using the connection plate 23, not only the advantage that the J-type clamp 21 is easy to attach and flexible is left, but also the grip of the cable 3 is stable. , Cable 3 can be firmly secured to the street cord, whether through straight or curved, in the street cord, and the connecting plate 23 and / or the clamp plate 22 Both can grip the cable 3 with the insulating ring, i.e., one wire clamp can pass through one or two cables 3 at the same time, and the first wire clamp 201 and the second wire clamp 202 are based on the actual situation. One, two, three or four cables 3 can be passed at the same time, and one set, two sets, three sets or four sets of cables 3 can be fixed at the same time in one street cord bracket 1.

As a preferred embodiment, as shown in FIG. 8, a position-limited slot 231 corresponding to the J-type clamp 21 is provided on the back surface of the connection plate 23, and the inside of the hook 211 of the J-type clamp 21 is fitted into the position-limited slot 231. Clamp and fit tightly with this. This structure can prevent the J-clamp 21 from slipping off the connecting plate 23.

As a preferred embodiment, as shown in FIG. 5, the dual wheel wire fixing device further includes a pressure receiving block 25, a protrusion structure 251 is provided on one side of the pressure receiving block 25, and is clamped to the front surface of the connecting plate 23. A concave hole structure 252 is provided on the front surface of the plate 22, and the protrusion structure 251 is inserted into the concave hole structure 252 and tightly fitted to the concave hole structure 252. This structure makes it easy to fix the pressure receiving block 25, prevents the pressure receiving block 25 from slipping down, and abuts one side of the pressure receiving block 25 with the front surface of the connection plate 23 or the front surface of the clamp plate 22 and the other. Side is in contact with the insulating ring, when one of the connecting plate 23 and the clamp plate 22 is used to grip the cable 3 together with the insulating ring, the other is the pressure receiving block 25 between the insulating ring. The area to be pushed can be increased to strengthen the pressure resistance of the connecting plate 23 or the clamp plate 22 so that the connecting plate 23 or the clamp plate 22 can be prevented from being pushed and deformed or damaged.

As a preferred embodiment, as shown in FIGS. 7 and 8, the front surface of the connecting plate 23 and the front surface of the clamp plate 22 have a concave structure, and this concave structure further firmly connects the cable 3 to the connecting plate 23 or the clamp. It can be fixed at a position close to the center of the front surface of the plate 22, and the cable 3 is firmly fixed.

As a preferred embodiment, as shown in FIGS. 7 and 8, a non-slip protrusion or a non-slip stripe 26 is further provided on the front surface of the connection plate 23 and the front surface of the clamp plate 22, and the cable 3 and the connection plate 23 or the clamp plate are provided. The frictional force with 22 is increased to increase the strength for fixing the cable 3.

As a preferred embodiment, the material of the integrated pair hook wire clamp includes an inner frame made of a metal material and an outer frame made of a plastic or rubber material. The metal inner frame can increase the strength, the plastic or rubber outer layer is easy to process and shape, the contact area with the cable 3 is increased, and the insulation arrangement is unified compared to the method of twisting and bundling. The cable 3 does not come into contact with the metal bracket, the safety is guaranteed, and the wear and rubbing of the outer skin of the cable 3 is greatly reduced.

As a preferred embodiment, as shown in FIG. 5, the back surface of the clamp plate 22 is further provided with a protective cover 27 used to protect the lock rod 212, and the protective cover 27 is detachably connected to the clamp plate 22.

As a preferred embodiment, as shown in FIGS. 7 and 9, the first insulating ring 11 adopts a spool insulator, and the upper and lower parts of the connection plate 23 or the clamp plate 22 are above the spool insulator along the spool insulator. , A curved rib 28 that can mesh with the lower ring slot is provided. This structure can increase the area where each of the connection plate 23 and the clamp plate 22 comes into contact with the spool insulator to enhance the pressure resistance, and prevent the connection plate 23 and the clamp plate 22 from slipping off the spool insulator.

[2. Other embodiments]
Based on the technical proposal of the first embodiment, a non-return self-locking mechanism is adopted as the locking mechanism of the integrated pair hook wire clamp.

As shown in FIG. 12, as a preferred embodiment, the locking mechanism is a non-stop self-locking mechanism, and the structure of the non-stop self-locking mechanism is a plurality of diagonally oriented lock rods 212 that are continuously arranged on the lock rod 212. A check ring tooth 2122 is provided at the tip of the lock hole 222, an opening is provided in the lock hole 222 side piece, a moving lock block 223 is provided in the opening, and a check stop is provided on the side of the lock block 223 near the lock rod 212. A lock tooth 2231 that meshes with the ring tooth 2122 is provided, the side of the lock block 223 that is detached from the lock rod 212 is in contact with the lock spring 224, and the other end of the lock spring 224 is in contact with the side wall of the opening. When the lock rod 212 is inserted through the lock hole 222 inlet, the lock spring 224 pushes the lock block 223 to bring the lock teeth 2231 of the lock block 223 into contact with the check ring teeth 2122 of the lock rod 212 to limit the lock rod 212. However, it can only move forward and not move in the opposite direction. A non-return self-locking mechanism is formed by meshing the non-return ring teeth 2122 of the lock rod 212 with the lock block 223 and the lock spring 224 in the lock hole 222, and the lock rod 212 can only advance in the clamp plate 22. When the clamp plate 22 is inserted directly into the lock rod 212 when it cannot be retracted and is operated, it automatically locks and is hard to loosen. When it is necessary to open it, just push back the lock spring 224 to return the lock block 223. Therefore, the clamp plate 22 can be freely taken out from the lock rod 212, the operation is extremely light and easy to use, and it is particularly suitable for overhead wire construction in high places. In FIG. 12, the connection plate and the protective cover structure are omitted.

As a preferred embodiment, the opening is a lock slot 225 provided on the back surface of the clamp plate 22, a cover plate 226 is provided in the lock slot 225, and the lock block 223 and the lock spring 224 are arranged in the lock slot 225 to lock. One end of the spring 224 abuts the lock block 223, the other end abuts the lock slot 225 side wall, the lock block 223 moves under the guide of the cover plate 226 and the bottom of the lock slot 225, and the lock block 223 locks. It facilitates movement in slot 225 and prevents the lock block 223 from slipping off.

The drawings provide preferred embodiments of the present invention. However, the present invention may be realized in many different forms and is not limited to the examples described herein. On the contrary, an object of providing these examples is to make the public understanding of the present invention more thorough and comprehensive.

1 ... Street cord bracket 11 ... 1st insulated ring 12 ... 2nd insulated ring 13 ... Base 14 ... Mounting base 141 ... Shaft structure 15 ... Connection rod 201 ... 1st wire clamp 202 ... 2nd wire clamp 21 ... J-type clamp 211 Hook 212 ... Lock rod 2121 ... Male screw 213 ... Lock nut 2122 ... Non-return ring tooth 22 ... Clamp plate 222 ... Lock hole 223 ... Lock block 2231 ... Lock tooth 224 ... Lock spring 225 ... Lock slot 226 ... Cover plate 23 ... Connection plate 231 ... Position-limited slot 25 ... Pressure receiving block 251 ... Projection structure 252 ... Concave hole structure 26 ... Non-slip stripe 27 ... Protective cover 28 ... Curved rib 3 ... Cable

Claims (15)

Includes a street cord bracket and at least a pair of insulated rings, each pair of insulated rings contains one first insulated ring and one second insulated ring, said street cord bracket on one vertical base and base. Includes at least two sideways mounting bases installed in parallel, one end of the mounting base is fixed or firmly connected to the base, and each second insulating wheel is set sideways on one mounting base, each first. The 1 insulating ring is vertically arranged between two adjacent mounting bases, fixed to the mounting base by penetrating the vertical connecting rod, and the cable is fixed on the first insulating ring. A dual wheel wire fixing device, characterized in that a first wire clamp used for fixing the cable is attached to the second insulating ring, and a second wire clamp used for fixing the cable is attached to the second insulating ring. The first insulated ring and the second insulated ring have a column wheel structure in which the inside of the side peripheral surface is recessed and a shaft hole is provided in the center, and the outer diameter of one end of the second insulated ring near the base is set. The dual wheel wire fixing device according to claim 1, wherein the outer diameter of the other end is larger than the outer diameter. The dual wheel wire according to claim 2, wherein the mounting base is provided with at least one step of a laterally oriented shaft structure, and the second insulated ring can be set laterally on the shaft structure and rotated on the shaft structure. Fixing device. The dual wheel wire fixing device according to claim 1, wherein a metal bushing is provided in the shaft hole of the first insulated ring and / or the shaft hole of the second insulated ring. The first wire clamp and / or the second wire clamp is an integrated pair hook wire clamp, and the integrated pair hook wire clamp includes one clamp plate, one connection plate and at least two J-shaped clamps. The side rod of the J-type clamp is a lock rod, and the clamp plate is provided with a lock hole corresponding to the lock rod, and at least two lock holes are provided diagonally in the clamp plate and are J-shaped. The lock rods of the clamps each vertically penetrate the lock hole of the clamp plate and are connected so as to move with the clamp plate by the lock mechanism, and the back surface of the connection plate is superposed and connected to the inside of the hook of each J-shaped clamp. The front surface of the plate faces the front surface of the clamp plate and is provided on both sides of the insulating ring, respectively. One side of the insulating ring is in contact with the front surface of the clamp plate or the front surface of the connecting plate, and the other side is J-shaped. The dual wheel wire fixing device according to any one of claims 1 to 4, wherein the lock rod of the clamp and the front surface of the connection plate or the front surface of the clamp plate form a path through which the cable penetrates. A claim characterized in that a position-limited slot corresponding to the J-type clamp is provided on the back surface of the connection plate, and the inside of the hook of the J-type clamp is fitted into the position-limited slot and tightly fitted to the position-limited slot. Item 5. The dual wheel wire fixing device according to item 5. The lock mechanism is a screw connection mechanism, and the screw connection mechanism is characterized in that a male screw is provided on the lock rod, and the lock rod is further screw-connected with a lock nut. Described dual wheel wire fixing device. The lock mechanism is a counter-stop self-lock mechanism, and the structure of the counter-stop self-lock mechanism is such that the lock rod is provided with a check ring tooth at the tip of a plurality of diagonally oriented lock rods arranged continuously. An opening is provided on the side of the lock hole, a moving lock block is provided in the opening, and a lock tooth that meshes with a check ring tooth is provided on the side close to the lock rod of the lock block. The dual wheel wire fixing device according to claim 5, wherein the side deviated from the lock spring abuts on the lock spring, and the other end of the lock spring abuts on the side wall of the opening. The opening is a lock slot provided on the back surface of the clamp plate, a cover plate is provided in the lock slot, the lock block and the lock spring are arranged in the lock slot, and one end of the lock spring hits the lock block. The dual wheel wire fixing device according to claim 8, wherein the other end is in contact with the side wall of the lock slot, and the lock block moves under the guide of the cover plate and the bottom of the lock slot. A pressure receiving block is further included, a protrusion structure is provided on one side of the pressure receiving block, and a concave hole structure is provided on the front surface of the connection plate and / or the front surface of the clamp plate, and the protrusion structure is concave. The dual wheel wire fixing device according to claim 5, wherein the dual wheel wire fixing device is inserted into a hole structure and tightly fitted to the hole structure. The dual wheel wire fixing device according to claim 5, wherein the front surface of the connection plate and / or the front surface of the clamp plate has a concave structure. The dual wheel wire fixing device according to claim 5, wherein the front surface of the connection plate and / or the front surface of the clamp plate is further provided with a non-slip protrusion or a non-slip stripe. The dual wheel wire fixing device according to claim 5, wherein the material of the integrated pair hook wire clamp includes an inner frame made of a metal material and an outer frame made of a plastic or rubber material. The dual wheel wire according to claim 5, wherein the back surface of the clamp plate is further provided with a protective cover used to protect the lock rod, and the protective cover is detachably connected to the clamp plate. Fixing device. The first insulating ring employs a spool insulator, and curved ribs that can mesh with the upper and lower ring slots of the spool insulator along the upper and lower parts of the connection plate or clamp plate are provided. The dual wheel wire fixing device according to claim 5, wherein the dual wheel wire fixing device is provided.

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