Insulation drainage wire suitable for double drainage strings

Abstract

The utility model relates to the technical field of power transmission line equipment, in particular to an insulated drainage wire suitable for double drainage strings. An insulating drainage wire suitable for double drainage strings comprises a drainage wire body, the drainage wire body comprises a wire core, an insulating layer and a protective layer, two connecting assemblies are arranged on the drainage wire body, each connecting assembly comprises teeth, a base, a rotating shaft, a worm, a connecting rod and an inserting rod, the teeth are located on the surface of the drainage wire body, and the rotating shaft is located on the base. According to the utility model, the positions of the two bases on the drainage wire body can be respectively adjusted according to needs through the arrangement of the two connecting assemblies, the two connecting rods are respectively connected with the two suspension wire clamps so as to suspend the drainage wire body, and the drainage wire body can be suspended due to the fixing effect of the connecting assemblies. Even if the drainage wire body is blown by strong wind, the suspension clamp does not rub the insulating layer and the protective layer of the drainage wire body, so that the insulating layer and the protective layer of the drainage wire body are prevented from being worn.

Description

TECHNICAL FIELD

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

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

[0003] The insulation drainage wire is usually composed of a core, an insulation layer, and a protective layer. The core is used for transmitting current, the insulation layer is used for preventing current leakage, and the protective layer is used for protecting the core and the insulation layer.

[0004] The existing insulation drainage wire usually does not have a special connecting structure, and 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 the friction force. In windy weather, the suspension clamp and the insulation drainage wire are prone to relative sliding due to insufficient friction force. The protective layer and the insulation layer of the insulation drainage wire are easily damaged by the suspension clamp, resulting in insulation failure. Moreover, in actual suspension, two insulation drainage strings are needed for some angle towers due to the angle and size of the tower, and the protective layer and the insulation layer of the insulation drainage wire are more easily damaged. SUMMARY

[0005] To solve the problems in the prior art, the utility model provides an insulation drainage wire suitable for double drainage strings to solve the technical problems that the suspension clamp and the insulation drainage wire are prone to relative sliding due to insufficient friction force, the protective layer and the insulation layer of the insulation drainage wire are easily damaged by the suspension clamp, and the protective layer and the insulation layer of the insulation drainage wire are more easily damaged in actual suspension because two insulation drainage strings are needed for some angle towers due to the angle and size of the tower.

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

[0007] An insulation drainage wire suitable for double drainage strings includes a drainage wire body, the drainage wire body includes a core, an insulation layer, and a protective layer,

[0008] Two connecting assemblies are arranged on the drainage wire body, the connecting assembly includes a tooth, a base, a rotating shaft, a worm, a connecting rod, and a plug rod, the tooth is located on the surface of the drainage wire body, the drainage wire body penetrates the base, the rotating shaft is rotationally connected with the base, a gear and a worm gear are arranged on the rotating shaft, the gear is engaged with the tooth, the worm is engaged with the worm gear, a first connecting seat and a second connecting seat are arranged on the base, the plug rod penetrates the first connecting seat and is slidingly connected with the first connecting seat, the connecting rod penetrates the second connecting seat and is slidingly connected with the second connecting seat, and the plug rod is inserted with the connecting rod.

[0009] As an improvement, a plurality of teeth are arranged on the drainage line body, and the plurality of teeth are linearly distributed on the drainage line body.

[0010] As an improvement, the worm penetrates through the base and is rotationally connected with the base, and a hand wheel is arranged at one end of the worm.

[0011] As an improvement, a first blocking ring is arranged on the connecting rod, a second spring is arranged between the connecting rod and the second connecting seat, and the second spring is sleeved on the connecting rod.

[0012] As an improvement, a connecting piece is slidably connected to the first connecting seat, a second blocking ring is arranged at one end of the connecting piece, and a first spring is arranged between the connecting piece and the first connecting seat.

[0013] As an improvement, the first spring is sleeved on the surface of the connecting piece, an operating rod is slidably connected to the first connecting seat, slopes are arranged on the side, where the operating rod and the connecting piece are close to each other, of the operating rod and the connecting piece, and the plug rod is connected with the operating rod.

[0014] As an improvement, a plug slot is arranged on the side, where the connecting rod is close to the plug rod, of the connecting rod, the plug slot is in an L-shaped longitudinal section, and the plug rod is in an L-shaped longitudinal section.

[0015] As an improvement, two guide block groups are arranged on the drainage line body, each guide block group comprises a plurality of first guide blocks linearly distributed on the surface of the drainage line body, and the guide block groups and the connecting assemblies are located on both sides of the middle part of the drainage line body.

[0016] As an improvement, a first guide groove matched with the first guide block, a groove matched with the tooth, and a through groove matched with the drainage line body are arranged in the base, the first guide groove and the groove are in communication with the through groove, and a plurality of rollers rotationally connected with the drainage line body are arranged in the base.

[0017] As an improvement, a second guide block is arranged on the connecting rod, and a second guide groove slidably connected with the second guide block is arranged in the second connecting seat.

[0018] Compared with the prior art, the utility model has the advantages of

[0019] The two connecting assemblies can be used to adjust the positions of the two bases on the drainage line body as required, the two connecting rods are connected with the two suspension line clamps respectively to suspend the drainage line body, the insulation layer and the protective layer of the drainage line body are not abraded due to the fixing effect of the connecting assemblies even if the drainage line body is blown by strong wind. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 Structure diagram of the utility model;

[0021] Figure 2 Structure diagram of the utility model;

[0022] Figure 3 Structure diagram of the utility model;

[0023] Figure 4 Structure diagram of the utility model;

[0024] Figure 5 Structure diagram of the utility model;

[0025] Figure 6 Structure diagram of the utility model.

[0026] 1, drainage line body; 2, base; 3, connecting rod; 4, operating rod; 5, plug rod; 6, plug groove; 7, first blocking ring; 8, roller; 9, rotating shaft; 10, worm wheel; 11, worm; 12, first guide block; 13, first guide slot; 14, tooth; 15, recess; 16, first connecting seat; 17, overhanging wire clamp; 18, second spring; 19, second guide block; 20, second blocking ring; 21, connecting piece; 22, first spring. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the utility model more clear, the technical scheme of the utility model will be described clearly and completely below by combining with the drawings in the embodiment of the utility model. The embodiment described in the application is only a part of the embodiment 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 are within the protection scope of the utility model.

[0028] As Figures 1-6 shown, an insulating drainage line suitable for double drainage string, including drainage line body 1, the drainage line body 1 includes wire core, insulating layer and protective layer,

[0029] The connecting assembly is provided on the drainage line body 1, and comprises a tooth 14, a base 2, a rotating shaft 9, a worm 11, a connecting rod 3 and a plug rod 5, the tooth 14 is located on the surface of the drainage line body 1, the drainage line body 1 penetrates through the base 2, the rotating shaft 9 is rotationally connected with the base 2, a gear and a worm wheel 10 are provided on the rotating shaft 9, the gear is engaged with the tooth 14, the worm 11 is engaged with the worm wheel 10, a first connecting seat 16 and a second connecting seat are provided on the base 2, the plug rod 5 penetrates through the first connecting seat 16 and is slidably connected with the first connecting seat 16, the connecting rod 3 penetrates through the second connecting seat and is slidably connected with the second connecting seat, and the plug rod 5 is inserted with the connecting rod 3.

[0030] In the preferred but non-limiting embodiment of the utility model, a plurality of teeth 14 are provided on the drainage line body 1, and the plurality of teeth 14 are linearly distributed on the drainage line body 1.

[0031] In the preferred but non-limiting embodiment of the utility model, the worm 11 penetrates through the base 2 and is rotationally connected with the base 2, and a hand wheel is provided at one end of the worm 11.

[0032] In the preferred but non-limiting embodiment of the utility model, a first blocking ring 7 is provided on the connecting rod 3, a second spring 18 is provided between the connecting rod 3 and the second connecting seat, and the second spring 18 is sleeved on the connecting rod 3.

[0033] In the preferred but non-limiting embodiment of the utility model, a connecting piece 21 is slidably connected on the first connecting seat 16, a second blocking ring 20 is provided at one end of the connecting piece 21, and a first spring 22 is provided between the connecting piece 21 and the first connecting seat 16.

[0034] In the preferred but non-limiting embodiment of the utility model, the first spring 22 is sleeved on the surface of the connecting piece 21, an operating rod 4 is slidably connected on the first connecting seat 16, slopes are provided on the mutually close sides of the operating rod 4 and the connecting piece 21, and the plug rod 5 is connected with the operating rod 4.

[0035] In the preferred but non-limiting embodiment of the utility model, an insertion slot 6 is provided on the side of the connecting rod 3 close to the plug rod 5, the longitudinal section of the insertion slot 6 is L-shaped, and the longitudinal section of the plug rod 5 is L-shaped.

[0036] In the preferred but non-limiting embodiment of the utility model, two guide block groups are provided on the drainage line body 1, each guide block group comprises a plurality of first guide blocks 12 linearly distributed on the surface of the drainage line body 1, the guide block group prevents the base 2 from rotating along the axis of the drainage line body 1, and the guide block group and the connecting assembly are located on both sides of the middle part of the drainage line body 1.

[0037] In the utility model preferably but non limitative implementation mode, the first guide groove 13, the recess 15 and the through groove matched with the drainage line body 1 are arranged in the base 2 and matched with the first guide block 12 and the tooth 14, the first guide groove 13, the recess 15 are all communicated with the through groove, a plurality of rollers 8 are rotatably connected in the base 2 and abut against the drainage line body 1, and the friction when the base 2 moves relative to the drainage line body 1 is reduced.

[0038] In the utility model preferably but non limitative implementation mode, the second guide block 19 is arranged on the connecting rod 3, and the second guide groove slidably connected with the second guide block 19 is arranged in the second connecting seat.

[0039] Working principle:

[0040] The utility model is carried to the specified position, rotates the worm 11 by rotating hand wheel, the worm 11 is driven the rotation of the worm wheel 10, the rotation of the worm wheel 10 is driven the rotation of the shaft 9, the shaft 9 drives the rotation of the gear, and the gear is matched with the tooth 14 to make the base 2 move along the drainage line body 1, so that two bases 2 are respectively close to two overhanging line clamps 17, and the operation lever 4 is pressed to drive the insertion rod 5 to move down, the operation lever 4 is moved to the first connecting seat 16 by the slope extrusion connecting piece 21, the first spring 22 is compressed, the connecting piece 21 drives the second blocking ring 20 to move away from the first blocking ring 7, at this moment, the connecting rod 3 can be pulled, the second spring 18 is compressed, then the utility model is moved to make the overhanging line clamp 17 be between the first connecting seat 16 and the second connecting seat, the connecting rod 3 is released, the second spring 18 pushes the connecting rod 3 to reset, the connecting rod 3 is inserted into the overhanging line clamp 17, the first blocking ring 7 abuts against the overhanging line clamp 17, the operation lever 4 is released, the first spring 22 pushes the connecting piece 21 to reset, the connecting piece 21 drives the second blocking ring 20 to abut against the overhanging line clamp 17, the connecting rod 3 is reset by the slope to push the operation lever 4 to reset, the operation lever 4 drives the insertion rod 5 to move and is inserted with the connecting rod 3 through the insertion groove 6, prevents the insertion rod 5 from separating from the connecting rod 3, and finally tightens the overhanging line clamp 17, even if the overhanging line clamp 17 is not completely opened, the connection can be realized, and the time for connecting with the two overhanging line clamps 17 is shortened.

[0041] The utility model has the advantages that, compared with the prior art,

[0042] The utility model can adjust the position of the two bases on the drainage line body according to the need by setting two connecting assemblies, and the two connecting rods are connected with the two overhanging line clamps to suspend the drainage line body, and due to the fixing effect of the connecting assembly, even if the drainage line body is blown by strong wind, the overhanging line clamp will not rub the insulation layer and the protective layer of the drainage line body, so that the insulation layer and the protective layer of the drainage line body are prevented from being abraded.

[0043] 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 double 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: two connecting assemblies are arranged on the power line body, the connecting assembly comprising a tooth, a base, a rotating shaft, a worm, a connecting rod and a plug rod, the tooth is located on the surface of the power line body, the power line body penetrates 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 is engaged with the worm gear, the base is provided with a first connecting seat and a second connecting seat, the plug rod penetrates the first connecting seat and is slidably connected with the first connecting seat, the connecting rod penetrates the second connecting seat and is slidably connected with the second connecting seat, and the plug rod is inserted with the connecting rod.

2. The insulated power line suitable for double power line string according to claim 1, characterized in that: a plurality of teeth are arranged on the power line body, and the plurality of teeth are linearly distributed on the power line body.

3. The insulated power line suitable for double power line string according to claim 1, characterized in that: the worm penetrates the base and is rotatably connected with the base, and one end of the worm is provided with a hand wheel.

4. The insulated power line suitable for double power line string according to claim 1, characterized in that: a first stop ring is arranged on the connecting rod, a second spring is arranged between the connecting rod and the second connecting seat, and the second spring is sleeved on the connecting rod.

5. The insulated power line suitable for double power line string according to claim 1, characterized in that: a connecting piece is slidably connected on the first connecting seat, a second stop ring is arranged at one end of the connecting piece, and a first spring is arranged between the connecting piece and the first connecting seat.

6. The insulated power line suitable for double power line string according to claim 5, characterized in that: the first spring is sleeved on the surface of the connecting piece, an operating rod is slidably connected on the first connecting seat, and slopes are arranged on the side of the operating rod and the connecting piece which are close to each other, and the plug rod is connected with the operating rod.

7. The insulated power line suitable for double power line string according to claim 1, characterized in that: an insertion slot is arranged on the side of the connecting rod close to the plug rod, the longitudinal section of the insertion slot is L-shaped, and the longitudinal section of the plug rod is L-shaped.

8. The insulated power line suitable for double power line string according to claim 1, characterized in that: two guide block groups are arranged on the power line body, each guide block group comprises a plurality of first guide blocks which are linearly distributed on the surface of the power line body, and the guide block groups and the connecting assemblies are located on both sides of the middle part of the power line body.

9. The insulated power line suitable for double power line string according to claim 8, characterized in that: a first guide groove matched with the first guide block, a groove matched with the tooth and a through groove matched with the power line body are excavated in the base, the first guide groove and the groove are communicated with the through groove, and a plurality of rollers rotatably connected with the power line body are arranged in the base.

10. The insulated power line suitable for double power line string according to claim 1, characterized in that: ​ ​ ​ ​ ​ ​ ​ ​ ​ The connecting rod is provided with a second guide block, and the second connecting seat is provided with a second guide groove in sliding connection with the second guide block.

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