Insulation drainage wire suitable for single drainage string

Abstract

The utility model relates to the technical field of power transmission line equipment, in particular to an insulated drainage wire suitable for a single drainage string. An insulating drainage wire suitable for a single drainage string comprises a drainage wire body, the drainage wire body comprises a wire core, an insulating layer and a protective layer, a connecting assembly is arranged on the surface of the drainage wire body, the connecting assembly comprises teeth, a base, a rotating shaft and a worm, the teeth are arranged on the surface of the drainage wire body, the drainage wire body penetrates through the base, and the rotating shaft is arranged on the base. According to the utility model, through the arrangement of the connecting assembly, the position of the base on the drainage wire body can be adjusted according to needs, the drainage wire body is suspended through the connection of the hanging piece and the suspension clamp, and due to the fixing effect of the connecting assembly, even if the drainage wire body is blown by strong wind, the drainage wire body can be prevented from falling off. The suspension clamp does not rub the insulation layer and the protection layer of the drainage wire body, and the insulation layer and the protection layer of the drainage wire body are prevented from being worn by locking the gear.

Description

TECHNICAL FIELD

[0001] The utility model relates to power transmission line equipment technical field especially suitable for single drainage string's insulation drainage wire. BACKGROUND

[0002] The conductive device connecting the conductor strain clamp on both sides of the strain tower is called the overhead transmission line drainage wire, also known as the jumper wire. The drainage wire needs to maintain sufficient electrical distance between the live conductor and the tower conductive part during normal operation.

[0003] The insulation drainage wire is usually composed of a core, an insulation layer, and a protective layer. The core is used to transmit current, the insulation layer is used to prevent current leakage, and the protective layer is used to protect the core and the insulation layer.

[0004] The existing insulation drainage wire usually does not have a special connection structure. It is suspended by directly contacting with the suspension clamp. However, the constraint of relative sliding between the suspension clamp and the insulation drainage wire relies only on friction. In windy weather, the suspension clamp and the insulation drainage wire are prone to relative sliding due to insufficient friction, and the suspension clamp is prone to damaging the protective layer and the insulation layer of the insulation drainage wire, resulting in insulation failure. SUMMARY

[0005] To solve the problems in the prior art, the utility model provides an insulation drainage wire suitable for single drainage string to solve the technical problem that the suspension clamp and the insulation drainage wire are prone to relative sliding due to insufficient friction, and the suspension clamp is prone to damaging the protective layer and the insulation layer of the insulation drainage wire.

[0006] The utility model adopts the following technical solutions.

[0007] An insulation drainage wire suitable for single drainage string, comprising a drainage wire body, the drainage wire body comprising a core, an insulation layer, and a protective layer,

[0008] The drainage wire body surface is provided with a connecting assembly, the connecting assembly comprising teeth, a base, a shaft, and a worm, the drainage wire body surface is provided with teeth, the drainage wire body penetrates the base, the shaft is rotatably connected with the base, the shaft is provided with a gear and a worm gear, the gear is engaged with the teeth, the worm gear is engaged with the worm, and the base is provided with a hanging piece matched with the suspension clamp.

[0009] As an improvement, a plurality of teeth are linearly arranged on the surface of the drainage wire body, and the plurality of teeth are located at the middle position of the drainage wire body.

[0010] As an improvement, the shaft is located inside the base, and bearings are arranged between the worm and the base and between the shaft and the base.

[0011] As improvement, the guiding block is arranged on the drainage line body, the second groove matched with the guiding block is arranged in the base, and the second groove penetrates the base.

[0012] As improvement, the through slot matched with the drainage line body and the first groove matched with the tooth are arranged in the base, and the first groove and the second groove are communicated with the through slot.

[0013] As improvement, the worm penetrates the base, the sliding block is arranged at one end of the worm, and the hand wheel is slidably connected to the sliding block.

[0014] As improvement, the guiding strip is arranged on the surface of the sliding block, and the guiding groove matched with the guiding strip is arranged in the hand wheel.

[0015] As improvement, the spring is arranged between the sliding block and the hand wheel, the protrusion is arranged at one side of the hand wheel, and the anti-skid groove is arranged on the surface of the hand wheel.

[0016] As improvement, the spring is arranged on the surface of the worm, and the limiting groove matched with the protrusion is arranged at one side of the base.

[0017] As improvement, a plurality of limiting grooves are arranged at one side of the base in a circle, and the interval between two adjacent limiting grooves is same.

[0018] The utility model discloses beneficial effect lies in, compared with prior art,

[0019] The utility model discloses through setting up connecting component can adjust the position of base on drainage line body according to need, and through the connection of hanger and overhanging line clamp to suspend drainage line body, because of the fixed effect of connecting component, even if drainage line body is blown by strong wind, overhanging line clamp also can not rub the insulating layer and protective layer of drainage line body, and through locking gear, gear and tooth cooperation prevent base from moving relative to drainage line body, avoid the abrasion of insulating layer and protective layer of drainage line body. DRAWINGS

[0020] Figure 1 It is the connection schematic diagram of the utility model;

[0021] Figure 2 It is the structure schematic diagram of the utility model;

[0022] Figure 3 It is the structure schematic diagram of the base of the utility model;

[0023] Figure 4 It is the enlarged schematic diagram of place A of the utility model;

[0024] Figure 5 It is the enlarged schematic diagram of place B of the utility model.

[0025] 1, drainage line body; 2, pendant clamp; 3, base; 4, hanging piece; 5, hand wheel; 6, tooth; 7, guide block; 8, worm; 9, worm; 10, protrusion; 11, slider; 12, guide strip; 13, spring; 14, first groove; 15, guide groove; 16, second groove. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the utility model clearer, the technical scheme of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. The embodiments described in the application are only a part of the embodiments of the utility model, not all embodiments. Based on the spirit of the utility model, other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0027] As shown in Figures 1-5 An insulating drainage line suitable for single drainage string, comprising a drainage line body 1, the drainage line body 1 comprising a wire core, an insulating layer and a protective layer, characterized in that:

[0028] The surface of the drainage line body 1 is provided with a connecting assembly, the connecting assembly comprising tooth 6, base 3, rotating shaft and worm 9, the surface of the drainage line body 1 is provided with tooth 6, the drainage line body 1 penetrates through base 3, the rotating shaft is rotatably connected with base 3, the rotating shaft is provided with a gear and worm 8, the gear is engaged with tooth 6, the worm 8 is engaged with worm 9, the base 3 is provided with hanging piece 4 matched with pendant clamp 2, for connecting with pendant clamp 2.

[0029] In the preferred but non-limiting embodiment of the utility model, a plurality of tooth 6 is linearly arranged on the surface of the drainage line body 1, and the plurality of tooth 6 is located at the middle position of the drainage line body 1.

[0030] In the preferred but non-limiting embodiment of the utility model, the rotating shaft is located inside the base 3, bearings are arranged between the worm 9 and the base 3 and between the rotating shaft and the base 3, facilitating the rotation of the worm 9 and the rotating shaft.

[0031] In the preferred but non-limiting embodiment of the utility model, the drainage line body 1 is provided with a guide block 7, the base 3 is provided with a second groove 16 matched with the guide block 7, and the second groove 16 penetrates through the base 3.

[0032] In the preferred but non-limiting embodiment of the utility model, the base 3 is provided with a through slot matched with the drainage line body 1 and a first groove 14 matched with the tooth 6, and the first groove 14 and the second groove 16 are both connected with the through slot.

[0033] In the utility model preferred but not limited mode of implementation, the worm 9 runs through the base 3, one end of the worm 9 is provided with the sliding block 11, the sliding block 11 is slidably connected with the hand wheel 5.

[0034] In the utility model preferred but not limited mode of implementation, the sliding block 11 is provided with the guide strip 12 on the surface, the hand wheel 5 is provided with the guide groove 15 matched with the guide strip.

[0035] In the utility model preferred but not limited mode of implementation, the spring 13 is arranged between the sliding block 11 and the hand wheel 5, one side of the hand wheel 5 is provided with the convex 10, and the hand wheel 5 is provided with the antiskid groove on the surface.

[0036] In the utility model preferred but not limited mode of implementation, the spring 13 is located on the surface of the worm 9, and one side of the base 3 is provided with the limiting groove matched with the convex 10.

[0037] In the utility model preferred but not limited mode of implementation, a plurality of limiting grooves are circumferentially arranged on one side of the base 3, and the spacing between the adjacent two limiting grooves is same.

[0038] Working principle:

[0039] The utility model is carried to the specified position, pulls the hand wheel 5 and makes it slide along the sliding block 11 and drives the convex 10 to separate from the limiting groove, and the spring 13 is compressed, then rotates the hand wheel 5, and the hand wheel 5 drives the worm 9 to rotate through the sliding block 11, the worm 9 drives the rotating shaft to rotate through the worm wheel 8, the rotating shaft drives the gear to rotate, the gear is matched with the tooth 6 to make the base 3 move along the drainage line body 1 until close to the overhanging wire clamp 2, loosens the hand wheel 5, and the spring 13 resets the hand wheel 5, and the convex 10 is inserted into the limiting groove, prevents the hand wheel 5 from rotating automatically, and then locks the gear, and then the overhanging wire clamp 2 and the hanging piece 4 can be connected.

[0040] The utility model has the advantages that, compared with the prior art,

[0041] The utility model can adjust the position of the base on the drainage line body according to the need through the setting of the connecting assembly, and the drainage line body is suspended by connecting the hanging piece with the overhanging wire clamp, the overhanging wire clamp does not rub the insulation layer and the protective layer of the drainage line body due to the fixing effect of the connecting assembly even if the drainage line body is blown by strong wind, and the gear is locked, the gear is matched with the tooth to prevent the base from moving relative to the drainage line body, and the insulation layer and the protective layer of the drainage line body are prevented from being abraded.

[0042] It should be pointed out finally that the above embodiments are only used to illustrate the technical solutions of the present application but not to limit it, and although the present application has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the specific embodiments of the present application can be modified or replaced equivalently without departing from the spirit and scope of the present application, and any modification or equivalent replacement without departing from the spirit and scope of the present application should be covered in the protection scope of the claims of the present application.

Claims

1. An insulated power line suitable for single power line string, comprising a power line body, the power line body comprising a core, an insulation layer and a protective layer, characterized in that: a connecting assembly is arranged on the surface of the power line body, the connecting assembly comprising a tooth, a base, a rotating shaft and a worm, the surface of the power line body is provided with the tooth, the power line body penetrates through the base, the rotating shaft is rotatably connected with the base, the rotating shaft is provided with a gear and a worm gear, the gear is engaged with the tooth, the worm gear is engaged with the worm, and the base is provided with a hanging piece matched with a suspension clamp.

2. The insulated power line suitable for single power line string according to claim 1, characterized in that: a plurality of teeth are linearly arranged on the surface of the power line body, and the plurality of teeth are located at the middle position of the power line body.

3. The insulated power line suitable for single power line string according to claim 1, characterized in that: the rotating shaft is located inside the base, and bearings are arranged between the worm and the base and between the rotating shaft and the base.

4. The insulated power line suitable for single power line string according to claim 1, characterized in that: a guide block is arranged on the power line body, a second groove matched with the guide block is arranged in the base, and the second groove penetrates through the base.

5. The insulated power line suitable for single power line string according to claim 4, characterized in that: a through groove matched with the power line body and a first groove matched with the tooth are arranged in the base, and the first groove and the second groove are connected with the through groove.

6. The insulated power line suitable for single power line string according to claim 1, characterized in that: the worm penetrates through the base, one end of the worm is provided with a sliding block, and a hand wheel is slidably connected to the sliding block.

7. The insulated power line suitable for single power line string according to claim 6, characterized in that: a guide strip is arranged on the surface of the sliding block, and a guide groove matched with the guide strip is arranged in the hand wheel.

8. The insulated power line suitable for single power line string according to claim 7, characterized in that: a spring is arranged between the sliding block and the hand wheel, a protrusion is arranged on one side of the hand wheel, and an anti-skid groove is arranged on the surface of the hand wheel.

9. The insulated power line suitable for single power line string according to claim 8, characterized in that: the spring is located on the surface of the worm, and a limiting groove matched with the protrusion is arranged on one side of the base.

10. The insulated power line suitable for single power line string according to claim 9, characterized in that: a plurality of limiting grooves are arranged on the circumference of one side of the base, and the spacing between adjacent two limiting grooves is the same. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

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