Tension insulator

Abstract

The utility model relates to the technical field of tension insulators, in particular to a tension insulator, which comprises a first lantern ring, a second lantern ring and an insulator, the first lantern ring comprises an upper pull ring, an upper pull rod and a pull ring T head, and the second lantern ring comprises a lower pull ring, a lower pull rod and a cylindrical sleeve. The pull ring T head is fixed at the middle position in the cylindrical sleeve through injection molding, the injection molding material is engineering plastics, the pull ring can withstand voltage of 42kV and allow tensile force of 90kN, and when the stress of the pull wire exceeds the allowed tensile force, the insulating layer is damaged, the continuity of the pull wire can be ensured, and accidents such as rod falling, tripping and the like can be avoided; the insulator is made of silicone rubber materials and has excellent heat resistance, electrical insulating property and chemical stability, and meanwhile, three umbrella skirts are designed on the outer side of the insulator, so that the creepage distance is increased, and the pollution flashover phenomenon can be effectively prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tension insulator technical field, concretely relates to a tension insulator. BACKGROUND

[0002] The tension insulator can effectively prevent the tension wire from accidentally contacting other live parts, avoid current conduction through the tension wire, thereby playing an insulating role, ensuring the safety of the line and personnel, and the tension insulator not only requires to ensure excellent electrical insulation performance, but also requires to have sufficient tensile strength, but the traditional tension insulator allows small tension, has poor corrosion resistance and aging resistance, and has large volume and mass, thereby affecting the installation efficiency of workers.

[0003] Therefore, it is necessary to provide a tension insulator to solve the above technical problems. SUMMARY

[0004] The utility model provides a tension insulator, solve the problem that the traditional tension insulator allows small tension, has poor corrosion resistance and aging resistance, and has large volume and mass, thereby affecting the installation efficiency of workers.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: a tension insulator, comprising a first collar, a second collar and an insulator, the first collar comprises an upper tension ring, an upper tension rod and a tension ring square head, the second collar comprises a lower tension ring, a lower tension rod and a cylindrical sleeve, the upper surface of the cylindrical sleeve is provided with a rectangular hole, the tension ring square head is fixed at the middle position in the cylindrical sleeve through injection molding, the material of injection molding is engineering plastic, can resist 42kV, allows tension 90kN, and when the accidental stress of the tension wire exceeds the allowable tension, the insulating layer is damaged, the continuity of the tension wire can also be ensured, and accidents such as pole tripping are avoided.

[0006] Preferably, the upper tension ring is arranged at the lower end of the upper tension rod, and the lower end of the upper tension rod is provided with the tension ring square head.

[0007] Preferably, the lower tension ring is arranged at the lower end of the lower tension rod, and the upper end of the lower tension rod is provided with the cylindrical sleeve.

[0008] Preferably, the insulator is wrapped around the upper tension rod, the lower tension rod and the cylindrical sleeve.

[0009] Preferably, the tension ring square head and the rectangular hole are vertically planar.

[0010] Preferably, the materials of the upper tension ring, the upper tension rod, the lower tension ring, the lower tension rod, the tension ring square head and the cylindrical sleeve are all steel.

[0011] Preferably, three umbrella skirts are arranged on the outer side of the insulator, and the materials of the insulator and the umbrella skirts are both silicone rubber.

[0012] Compared with the prior art, the utility model discloses the beneficial effects are: the utility model discloses the pull ring nub is inserted to the cylindrical sleeve middle part from the rectangle round hole, and rotates 90 degrees, pours into the engineering plastics in the cylindrical sleeve again until the upper surface of the cylindrical sleeve, and when the engineering plastics solidifies, forms the insulating layer, and makes the first ring and the second ring realize the insulation fixed connection, can withstand the pressure 42kV, allows the tension 90kN, and when the tension is accidentally stressed and exceeds the allowable tension, the insulating layer is destroyed, and the pull ring nub is perpendicular to the rectangle round hole, and the two sides of the pull ring nub are supported on the upper surface in the cylindrical sleeve, guarantee the continuity of the tension, avoid the accident such as the inverted pole trip -out, the utility model discloses the insulator adopts the silicone rubber material to make, has the excellent heat resistance, electrical insulation and chemical stability, and the outside of the insulator designs three umbrella skirts simultaneously, increases the creepage distance, can effectively prevent the occurrence of the pollution flashover phenomenon, the utility model discloses the volume is small, and the quality is light, improves the work efficiency of the installation personnel. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model is further described below in combination with the drawings and examples.

[0014] Figure 1 It is the appearance structure schematic diagram of the utility model;

[0015] Figure 2 It is the pull ring nub structure schematic diagram of the utility model;

[0016] Figure 3 It is the cylindrical sleeve structure schematic diagram of the utility model;

[0017] Figure 4 It is Figure 1 The side sectional structure schematic diagram of;

[0018] Figure 5 It is Figure 1 The front sectional structure schematic diagram of.

[0019] In the drawing: 1, the first ring;1.1, the upper pull ring;1.2, the upper pull rod;1.3, the pull ring nub;2, the insulator;3, the second ring;3.1, the lower pull ring;3.2, the lower pull rod;3.3, the cylindrical sleeve;3.4, the rectangle round hole;4, the engineering plastics;5, the umbrella skirt. DETAILED DESCRIPTION

[0020] The technical scheme in the utility model example will be described below in combination with the drawings in the utility model example, obviously, the described example only is a part of the utility model embodiment, but is not all the example. Based on the example in the utility model, all other examples that the person skilled in the art obtains without making the creative labor belong to the scope of the utility model protection.

[0021] Embodiment 1

[0022] Please refer to Figures 1-5 The utility model provides the following technical scheme: a tension insulator, comprising a first collar 1, a second collar 3 and an insulator 2, the first collar 1 comprises an upper pull ring 1.1, an upper pull rod 1.2 and a pull ring square head 1.3, the second collar 3 comprises a lower pull ring 3.1, a lower pull rod 3.2 and a cylindrical sleeve 3.3, the upper surface of the cylindrical sleeve 3.3 is provided with a rectangular hole 3.4, the pull ring square head 1.3 is fixed in the middle position in the cylindrical sleeve 3.3 by injection molding, the material of injection molding is engineering plastics 4, the pull ring square head 1.3 is inserted into the middle of the cylindrical sleeve 3.3 from the rectangular hole 3.4 and is rotated by 90 degrees, the first collar 1 and the second collar 3 are not in contact, engineering plastics 4 is injected into the cylindrical sleeve 3.3 again until the upper surface of the cylindrical sleeve 3.3, and after the engineering plastics 4 solidifies, an insulating layer is formed, and the first collar 1 and the second collar 3 are fixedly connected in an insulating manner, can resist 42kV voltage, allow 90kN tension, and when the tension of the tension wire exceeds the allowable tension, the insulating layer is damaged, the continuity of the tension wire is also ensured, and accidents such as pole tripping are avoided.

[0023] The upper pull ring 1.1 is arranged at the lower end of the upper pull rod 1.2, the lower end of the upper pull rod 1.2 is provided with the pull ring square head 1.3, and the upper pull ring 1.1 facilitates connection of the tension insulator to a wire at one end of an overhead distribution line, and ensures connection of wires at both ends.

[0024] The lower pull ring 3.1 is arranged at the lower end of the lower pull rod 3.2, the upper end of the lower pull rod 3.2 is provided with the cylindrical sleeve 3.3, and the upper pull ring 1.1 facilitates connection of the tension insulator to a wire at the other end of the overhead distribution line, and ensures connection of wires at both ends.

[0025] The insulator 2 is wrapped around the upper pull rod 1.2, the lower pull rod 3.2 and the cylindrical sleeve 3.3, has corrosion resistance, rust prevention and ultraviolet resistance, and provides protection for full insulation of the line.

[0026] The pull ring square head 1.3 is perpendicular to the rectangular hole 3.4 in a plane, and when the insulating layer is damaged, the pull ring square head 1.3 is perpendicular to the circular hole in a plane, that is, the two sides of the pull ring square head 1.3 abut against the upper surface in the cylindrical sleeve, and the continuity of the tension wire is ensured.

[0027] The upper pull ring 1.1, the upper pull rod 1.2, the lower pull ring 3.1, the lower pull rod 3.2, the pull ring square head 1.3 and the cylindrical sleeve 3.3 are all made of steel, and the steel material is not easy to oxidize and corrode.

[0028] The outer side of the insulator 2 is provided with three umbrella skirts 5, the material of the insulator 2 and the umbrella skirt 5 is silicone rubber, the outer side of the insulator 2 is provided with three umbrella skirts 5, the creepage distance is increased, the pollution flashover phenomenon can be effectively prevented from occurring, meanwhile, the insulator 2 and the umbrella skirt 5 are both silicone rubber, and have excellent heat resistance, electrical insulation and chemical stability.

[0029] The utility model discloses have the characteristics of small size, light weight, easily install for worker.

[0030] Finally, it should be noted that: the above is only the preferred embodiment of the utility model, and is not used for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiment, for the person skilled in the art, still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A tension insulator, characterized by: The application relates to a first ring (1), a second ring (3) and an insulator (2), wherein the first ring (1) comprises an upper pull ring (1.1), an upper pull rod (1.2) and a pull ring square head (1.3), the second ring (3) comprises a lower pull ring (3.1), a lower pull rod (3.2) and a cylindrical sleeve (3.3), the upper surface of the cylindrical sleeve (3.3) is provided with a rectangular hole (3.4), the pull ring square head (1.3) is fixed in the middle position in the cylindrical sleeve (3.3) through injection molding, and the injection molding material is engineering plastic (4).

2. A tension insulator according to claim 1, characterized in that: The upper pull ring (1.1) is arranged at the upper end of the upper pull rod (1.2), and the lower end of the upper pull rod (1.2) is provided with the pull ring square head (1.3).

3. A tension insulator according to claim 1, characterized in that: The lower pull ring (3.1) is arranged at the lower end of the lower pull rod (3.2), and the upper end of the lower pull rod (3.2) is provided with the cylindrical sleeve (3.3).

4. A tension insulator according to claim 1, characterized in that: The insulator (2) is wrapped around the upper pull rod (1.2), the lower pull rod (3.2) and the cylindrical sleeve (3.3).

5. A tension insulator as claimed in claim 1, wherein: The pull ring square head (1.3) is vertically arranged with the rectangular hole (3.4).

6. A tension insulator as claimed in claim 1, wherein: The materials of the upper pull ring (1.1), the upper pull rod (1.2), the lower pull ring (3.1), the lower pull rod (3.2), the pull ring square head (1.3) and the cylindrical sleeve (3.3) are all steel.

7. A tension insulator as claimed in claim 1, wherein: The outer side of the insulator (2) is provided with three umbrella skirts (5), and the materials of the insulator (2) and the umbrella skirts (5) are both silicone rubber.

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