Wire fixing device and composite insulation cross arm

Abstract

The utility model belongs to the technical field of power equipment, and particularly relates to a wire fixing device and a composite insulation cross arm. The wire fixing device is arranged on a composite insulation cross arm, is used for fixing a wire, and comprises a sleeve connected with the end part of the composite insulation cross arm, a first fixing seat which is arranged on one side of the fixing sleeve and extends outwards, a second fixing seat which can be buckled relative to the first fixing seat, and a locking assembly arranged between the first fixing seat and the second fixing seat, a wire groove for a wire to penetrate through is formed between the first fixing base and the second fixing base. The high-voltage wire can be firmly fixed in the wire groove between the first fixing seat and the second fixing seat through mutual cooperation of the first fixing seat, the second fixing seat and the locking assembly arranged between the first fixing seat and the second fixing seat, the fixing speed is high, time and labor are saved, the workload of subsequent maintenance and repair is reduced, and the engineering maintenance cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric power equipment, and particularly relates to a wire fixing device and a composite insulating cross arm. Background Art

[0002] In power grid systems, conductors below 35kV are typically installed using poles and crossarms, with pin insulators installed on the crossarms to secure the conductors. Since the conductors on the poles must be aligned with the insulators and rest against the insulators, they must be tied to the pin insulators. However, this method of fixing is unstable, the tying process is cumbersome, and the conductors are prone to loosening over time. To ensure safe power transmission, the conductors need to be re-tied every 3-5 years, which is time-consuming and labor-intensive. Utility Model Content

[0003] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a wire fixing device and a composite insulating cross arm that can stably fix the wire.

[0004] The utility model adopts the following technical solutions:

[0005] A wire fixing device is arranged on a composite insulating crossarm for fixing the wire, comprising a sleeve connected to the end of the composite insulating crossarm, a first fixing seat arranged on one side of the fixing sleeve and extending outward, a second fixing seat that can be buckled relative to the first fixing seat, and a locking assembly arranged between the first fixing seat and the second fixing seat, wherein a wire groove for the wire to pass through is formed between the first fixing seat and the second fixing seat.

[0006] Furthermore, the first fixing seat includes a first fixing seat body, a first connecting portion arranged on the side of the first fixing seat body and connected to the fixing sleeve, and a first arc-shaped groove recessed outward from the opposite surface of the first fixing seat body and the second fixing seat; the second fixing seat includes a second fixing seat body and a second arc-shaped groove recessed outward from the opposite surface of the second fixing seat body and the first fixing seat; when the first fixing seat is buckled with the first fixing seat, the first arc-shaped groove and the second arc-shaped groove form the wire groove.

[0007] Furthermore, the second fixing seat further includes a rotating portion provided on a side of the second fixing seat body and rotatably connected to the first fixing seat body, and a rotating groove into which the rotating portion is embedded is formed on the first fixing seat body.

[0008] Furthermore, the locking assembly includes a locking cavity extending downward from the top surface of the first connecting portion, a locking block arranged on the side of the second fixing seat body and embeddable in the locking cavity, and a locking member arranged between the locking cavity and the locking block.

[0009] Furthermore, the locking member includes a locking hole extending inward from the side of the first connecting part and arranged parallel to the wire groove, a fixing column fixed in the locking hole, a fixing groove arranged on the locking block and opposite to the locking cavity, a fixing screw hole arranged on the fixing column, and a fixing bolt passing through the fixing groove and cooperating with the fixing screw hole.

[0010] Furthermore, the fixing column includes a fixing column body, a limiting ring arranged at one end of the fixing column body, a fixing hole relatively arranged at the other end of the fixing column body, and a limiting pin cooperating with the fixing hole to prevent the fixing column from escaping from the locking hole.

[0011] Furthermore, the inner walls of the first arc-shaped groove and the second arc-shaped groove are both provided with detachable rubber tiles.

[0012] Furthermore, the sleeve is a hollow structure with one end open, and the first fixing seat and the sleeve are integrally formed.

[0013] A composite insulating cross arm comprises a cross arm body, a cross arm clamp and a conductor fixing device for fixing the cross arm body to a power pole, wherein the cross arm clamp and the conductor fixing device are respectively arranged at two ends of the cross arm body.

[0014] Furthermore, the cross arm body includes an insulating core rod, an insulating protective sleeve sleeved on the outer periphery of the insulating core rod, and a connecting sleeve sleeved on the end of the insulating core rod and connectable to the cross arm clamp, and the insulating protective sleeve is located between the fixing sleeve and the sleeve.

[0015] From the above description of the utility model, it can be seen that compared with the prior art, the beneficial effects of the utility model are: the present application provides a wire fixing device for fixing the wire on the composite insulating crossarm, and defines the specific structure of the wire fixing device, so that the high-voltage wire can be firmly fixed in the wire groove between the first fixing seat and the second fixing seat through the cooperation between the first fixing seat extending outward on one side of the fixing sleeve, the second fixing seat that can be buckled relative to the first fixing seat, and the locking assembly provided between the first fixing seat and the second fixing seat. The fixing speed is fast, time-saving and labor-saving, the workload of subsequent maintenance and inspection is reduced, and the engineering maintenance cost is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Schematic diagram of the structure of the wire fixing device Figure 1 .

[0017] Figure 2 Schematic diagram of the structure of the wire fixing device Figure 2 .

[0018] Figure 3 Schematic diagram of the exploded structure of the wire fixing device.

[0019] Figure 4Schematic diagram of the coordination between the conductor fixing device and the composite insulating crossarm.

[0020] In the figure: 1-cross arm body, 11-insulating protective cover, 12-fixing sleeve, 2-cross arm clamp, 21-cross arm connecting seat, 22-U-shaped clamp, 3-wire fixing device, 31-fixing sleeve, 32-first fixing seat, 321-first fixing seat body, 322-first connecting part, 323-first arc groove, 324-rotating groove, 33-second fixing seat, 331-second fixing seat body, 332-second arc groove Slot, 333-rotating part, 34-locking assembly, 341-locking cavity, 342-locking block, 343-locking piece, 344-locking hole, 345-fixing column, 3451-fixing column body, 3452-limiting ring, 3453-fixing hole, 3454-limiting pin, 346-fixing slot, 347-fixing screw hole, 348-fixing bolt, 349-fastening gasket, 35-wire trough, 36-rubber tile. DETAILED DESCRIPTION

[0021] The present invention is further described below through specific implementation methods.

[0022] like Figures 1 to 4 As shown, this embodiment provides a composite insulating crossarm, including a crossarm body 1, a crossarm clamp 2 and a wire fixing device 3, and the crossarm clamp 2 and the wire fixing device 3 are respectively arranged at both ends of the crossarm body 1.

[0023] The cross arm body 1 includes an insulating core rod, an insulating protective sleeve 11 sleeved on the outer periphery of the insulating core rod, and a connecting sleeve 12 sleeved on the end of the insulating core rod and connectable to the cross arm clamp 2, wherein the connecting sleeve 12 is clamped with the end of the insulating protective sleeve 11.

[0024] The crossarm clamp 2 is used to fix the crossarm body 1 on the utility pole; specifically, it includes a crossarm connecting seat 21 that can be connected to the connecting sleeve 12 and a U-shaped clamp 22 arranged on the crossarm connecting seat 21; through the cooperation of the crossarm connecting seat 21 and the U-shaped clamp 22, the entire composite insulating crossarm is installed on the utility pole with good firmness; further, the U-shaped clamp 22 is a common fixing device for fixing the composite insulating crossarm on the utility pole in the prior art, and its specific structure and principle will not be further elaborated here.

[0025] The wire fixing device 3 is used to fix the high-voltage wire, including a fixing sleeve 31 connected to the end of the composite insulating crossarm, a first fixing seat 32 extending outwardly from one side of the fixing sleeve 31, a second fixing seat 33 that can be buckled relative to the first fixing seat 32, and a locking assembly 34 arranged between the first fixing seat 32 and the second fixing seat 33. A wire groove 35 for the wire to pass through is formed between the first fixing seat 32 and the second fixing seat 33, wherein the insulating protective sleeve 11 is located between the connecting sleeve 12 and the fixing sleeve 31; through the cooperation between the first fixing seat 32, the second fixing seat 33 and the locking assembly 34, the high-voltage wire The first fixing seat 32 includes a first fixing seat body 321, a first connecting portion 322 provided on the side of the first fixing seat body 321 and connected to the fixing sleeve 31, and a first arc groove 323 recessed outward from the first fixing seat body 321 and the second fixing seat 33 opposite to each other. The second fixing seat 33 includes a second fixing seat body 331 and a second arc groove 332 recessed outward from the second fixing seat body 331 and the first fixing seat 32 opposite to each other. When the first fixing seat 33 is buckled, the first arc groove 323 and the second arc groove 332 form a wire groove 35; further, the second fixing seat 33 also includes a rotating portion 333 arranged on the side of the second fixing seat body 331 and rotatably connected to the first fixing seat body 321, and a rotating groove 324 is formed on the first fixing seat body 321 into which the rotating portion 333 is embedded; further, the inner walls of the first arc groove 323 and the second arc groove 332 are both provided with detachable rubber tiles 36; the rubber tiles 36 prevent leakage of high-voltage wires and protect the safety of wires and operators; further, the fixing sleeve 31 is a hollow structure with an open end. The structure is as follows: the first fixing seat 32 and the fixing sleeve 31 are integrally formed; wherein the fixing sleeve 31 is clamped with one end of the insulating protective sleeve 11, and the connecting sleeve 12 is clamped with the other end of the insulating protective sleeve 11, and the outer circumference of the insulating core rod is covered by the fixing sleeve 31, the insulating protective sleeve 11 and the connecting sleeve 12, so that the insulating core rod is isolated from the external environment to avoid corrosion from the external environment; further, the clamping structure of the fixing sleeve 31 and the insulating protective sleeve 11 and the clamping structure of the connecting sleeve 12 and the insulating protective sleeve 11 are the common block and slot clamping structures in the prior art, and the specific structure and principle of their clamping will not be further described here.

[0026] The locking assembly 34 is arranged between the first fixing seat 32 and the second fixing seat 33, and includes a locking cavity 341 extending downward from the top surface of the first connecting portion 322, a locking block 342 arranged on the side of the second fixing seat body 331 and capable of being embedded in the locking cavity 341, and a locking member 343 arranged between the locking cavity 341 and the locking block 342; specifically, the locking member 343 includes a locking hole 344 extending inward from the side of the first connecting portion 322 and arranged parallel to the wire groove 35, a fixing The fixing post 345 in the locking hole 344, the fixing groove 346 provided on the locking block 342 and corresponding to the locking cavity 341, the fixing screw hole 347 provided on the fixing post 345 and the fixing bolt 348 passing through the fixing groove 346 and cooperating with the fixing screw hole 347; when in use, first fix the high-voltage wire on the first arc groove 323, rotate the second fixing seat 33 so that the high-voltage wire is located in the wire groove 35 formed by the first arc groove 323 and the second arc groove 332, at this time, the lock The fixing groove 346 on the tightening block 342 is opposite to the fixing screw hole 347, and then the fixing bolt 348 is sequentially passed through the fixing groove 346 and the fixing screw hole 347, thereby locking the locking block 342 in the locking cavity 341, so that the high-voltage wire is firmly fixed in the wire groove 35; further, the fixing column 345 includes a fixing column body 3451, a limiting ring 3452 provided at one end of the fixing column body 3451, and a fixing hole 345 provided at the other end of the fixing column body 3451. 3 and a limiting pin 3454 that cooperates with the fixing hole 3453 to prevent the fixing column 345 from being separated from the locking hole 344; the limiting ring 3452 cooperates with the limiting pin 3454 to stably set the fixing column 345 in the locking hole 344; further, a fastening gasket 349 is provided between the fixing bolt 348 and the fixing groove 346 to enable the fixing bolt 348 to be tightly pressed against the fixing groove 346; further, the locking bolt 342 can be set as a butterfly bolt to facilitate installation and removal by operators.

[0027] To sum up, with the help of the above-mentioned technical solution of the present invention, the first fixing seat 32 extending outward on one side of the fixing sleeve 31, the second fixing seat 33 that can be buckled relative to the first fixing seat 32, and the locking assembly 34 arranged between the first fixing seat 32 and the second fixing seat 33 cooperate with each other, so that the high-voltage wire can be firmly fixed in the wire groove 35 between the first fixing seat 32 and the second fixing seat 33, the fixing speed is fast, time and labor are saved, the workload of subsequent maintenance and inspection is reduced, and the project maintenance cost is reduced.

[0028] The above description is merely a preferred embodiment of the present invention and therefore cannot be used to limit the scope of implementation of the present invention. In other words, equivalent changes and modifications made according to the scope of application of the present invention and the contents of the specification should still fall within the scope of the present invention.

Claims

1. A conductor fixing device, provided on a composite insulating cross arm for fixing a conductor, characterized in that: It includes a sleeve connected to the end of the composite insulating crossarm, a first fixing seat extending outwardly on one side of the fixing sleeve, a second fixing seat that can be buckled relative to the first fixing seat, and a locking assembly arranged between the first fixing seat and the second fixing seat, and a wire groove for the wire to pass through is formed between the first fixing seat and the second fixing seat.

2. A wire fixing device according to claim 1, characterized in that: The first fixing seat includes a first fixing seat body, a first connecting portion arranged on the side of the first fixing seat body and connected to the fixing sleeve, and a first arc-shaped groove recessed outward from the opposite surface of the first fixing seat body and the second fixing seat. The second fixing seat includes a second fixing seat body and a second arc-shaped groove recessed outward from the opposite surface of the second fixing seat body and the first fixing seat. When the first fixing seat is buckled with the first fixing seat, the first arc-shaped groove and the second arc-shaped groove form the wire groove.

3. A wire fixing device according to claim 2, characterized in that: The second fixing seat further includes a rotating portion which is arranged on a side of the second fixing seat body and is rotatably connected to the first fixing seat body. A rotating groove in which the rotating portion is embedded is formed on the first fixing seat body.

4. A wire fixing device according to claim 2, characterized in that: The locking assembly includes a locking cavity extending downward from the top surface of the first connecting portion, a locking block arranged on the side of the second fixing seat body and capable of being embedded in the locking cavity, and a locking member arranged between the locking cavity and the locking block.

5. A wire fixing device according to claim 4, characterized in that: The locking member includes a locking hole extending inward from the side of the first connecting part and arranged parallel to the wire groove, a fixing column fixed in the locking hole, a fixing groove arranged on the locking block and opposite to the locking cavity, a fixing screw hole arranged on the fixing column, and a fixing bolt passing through the fixing groove and cooperating with the fixing screw hole.

6. A wire fixing device according to claim 5, characterized in that: The fixing column includes a fixing column body, a limiting ring arranged at one end of the fixing column body, a fixing hole arranged at the other end of the fixing column body, and a limiting pin cooperating with the fixing hole to prevent the fixing column from escaping from the locking hole.

7. The wire fixing device according to claim 2, characterized in that: The inner walls of the first arc-shaped groove and the second arc-shaped groove are both provided with detachable rubber tiles.

8. The wire fixing device according to claim 1, characterized in that: The sleeve is a hollow structure with one end open, and the first fixing seat and the sleeve are integrally formed.

9. A composite insulating crossarm, characterized by: It comprises a crossarm body, a crossarm clamp for fixing the crossarm body on a utility pole, and a wire fixing device according to any one of claims 1 to 8, wherein the crossarm clamp and the wire fixing device are respectively arranged at both ends of the crossarm body.

10. The composite insulating crossarm according to claim 1, characterized in that: The cross arm body includes an insulating core rod, an insulating protective sleeve sleeved on the outer periphery of the insulating core rod, and a connecting sleeve sleeved on the end of the insulating core rod and connectable to the cross arm clamp. The insulating protective sleeve is located between the fixing sleeve and the sleeve.

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