Multi-end drainage plate strain clamp

Abstract

A multi-end drainage plate strain clamp is characterized in that a clamp body is an annular clamp, the inside of the clamp body is connected with a steel anchor, the clamp body is connected with at least two drainage plates, each drainage plate is connected with a jumper clamp, and the jumper clamps are fixed on the drainage plates through at least one bolt. The tail part of the wire clamp body is connected with two drainage plates, the vertical drainage plate is connected with lines at the front side and the rear side of a strain tower, and the inclined drainage plate is connected with a T-connection line or different loops to be short-circuited. According to the strain clamp, the tail clamping drainage plate is arranged to be of a multi-end type, when T connection of a line is carried out, only a T connection line needs to be connected with the inclined end of the drainage plate, when short circuit is carried out on different loops, only another loop wire needs to be connected with the inclined end of the drainage plate, and meanwhile a jumper wire at the vertical end of the drainage plate of the strain clamp is unfastened. The device is simple in structure, few in operation steps and short in line power failure time, and reduces the labor intensity of construction operation and maintenance work.

Description

Technical Field

[0001] The utility model relates to a strain clamp. Background Art

[0002] The strain clamp is used for the connection at corners, joints, and terminals. The spiral aluminum-clad steel wire has extremely strong strain strength, no concentrated stress, and plays a role in protecting the optical cable and assisting in vibration damping. The complete set of optical cable strain fittings includes: strain preformed wire, and supporting connection fittings. The grip force of the clamp is not less than 95% of the rated tensile strength of the optical cable, and it is convenient and fast to install, reducing the construction cost. The strain clamp is used to fix the conductor or lightning protection wire on the strain insulator string of a non-straight tower, acting as an anchor, and is also used to fix the guy wire of a guyed tower.

[0003] However, in actual engineering, when making a line T-joint or short-circuit connection, the operation steps are complex, increasing the labor intensity of construction and operation and maintenance. Moreover, the power outage time of the line is relatively long, resulting in a large amount of economic losses.

[0004] CN204156462U discloses a multi-line combined reinforced strain clamp, which is provided with a compression clamp and at least one drainage clamp. It adopts a multi-clamp combined structure, which is compact and has a wide application range. The drainage clamp is provided with a pressing block, the compression clamp is provided with a compression block, the longitudinal direction of the pressing opening and the inner wall surface of the pressing block are respectively provided with engaging racks, and the longitudinal direction of the line groove and the compression block are respectively provided with a plurality of anti-slip lines for anti-slip reinforcement installation, tensioning and stabilizing. This solution solves the problems of installing multiple lines and reinforcement, but does not give any technical inspiration for the T-joint and short-circuit connection of the line. Summary of the Utility Model

[0005] The technical problem to be solved by the utility model is: how to reduce the operation steps during the line T-joint or short-circuit connection, shorten the power outage time, and provide a multi-terminal drainage plate strain clamp.

[0006] The technical solution of the utility model is specifically as follows:

[0007] A multi-terminal drainage plate strain clamp includes a clamp body. The clamp body is an annular clamp. A steel anchor is connected inside the clamp body. The clamp body is connected with at least two drainage plates. Each drainage plate is connected with a jumper clamp. The jumper clamp is fixed on the drainage plate by at least one bolt.

[0008] Two drainage plates are connected to the tail of the clamp body, namely a vertical drainage plate and an inclined drainage plate. Among them, the vertical drainage plate is connected to the lines on the front and back sides of the strain tower, and the inclined drainage plate is connected to the "T"-connected line or different circuits to be short-circuited.

[0009] The included angle α between the axis of the inclined drainage plate and the axis of the drainage plate is 10° - 40°.

[0010] The range of the inclination angle β between the axis of the inclined drainage plate and the axis of the vertical drainage plate is 5° - 90°.

[0011] The beneficial effects of the present utility model are as follows: it has the following advantages: the tail drainage plate of this type of strain clamp is set as a multi-terminal type. When making a "T" connection for a line, only the "T" connection line needs to be connected to the inclined end of the drainage plate. When short-circuiting different circuits, only the wire of another circuit needs to be connected to the inclined end of the drainage plate, and at the same time, the jumper wire at the vertical end of the strain clamp drainage plate is untied. The application of this strain clamp optimizes the structure of the "T" connection point or short-circuit point, with a simple structure, fewer operation steps, shorter line power outage time, reduces the labor intensity of construction and operation and maintenance work, and has good economic and social benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is the front view of the present utility model;

[0013] Figure 2 is the side view of the present utility model;

[0014] Figure 3 is the front view of the multi-terminal drainage plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0015] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0016] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0017] As Figure 1 — Figure 3 shown, a multi-terminal drainage plate strain clamp for "T" connection or short-circuiting of different circuits of a transmission line includes a clamp body 2. The clamp body 2 is an annular clamp, and an anchor 1 is connected inside the clamp body 2. The clamp body 2 is connected with at least two drainage plates 3, and each drainage plate 3 is connected with a jumper clamp 4. The jumper clamp 4 is fixed on the drainage plate 3 by at least one bolt 5.

[0018] Further, two drainage plates 3 are connected to the tail of the clamp body 2, namely a vertical drainage plate 4-1 and an inclined drainage plate 4-2. In this way, the drainage plate 3 is of a double-ended type. Among them, the vertical drainage plate 4-1 is connected to the lines on the front and rear sides of the tension tower, and the inclined drainage plate 4-2 is connected to the "T"-connected line or different circuits to be short-circuited. As Figure 2 shown, when performing a "T"-connection of the line, connect the "T"-connected line to the inclined drainage plate 4-2 of the tension clamp through the jumper clamp 4, that is, the "T"-connection of the line is realized; when short-circuiting different circuit lines, connect the conductor of another circuit line to the inclined drainage plate 4-2 of the tension clamp through the jumper clamp 4, and at the same time disconnect the jumpers on the front and rear sides of the vertical drainage plate 4-1 of the tension tower, then the short-circuit between different lines can be realized.

[0019] Further, the included angle α between the axis of the inclined drainage plate 4-2 and the axis of the drainage plate 3 is 10° - 40°.

[0020] Further, the inclination angle β value between the axis of the inclined drainage plate 4-2 and the axis of the vertical drainage plate 4-1 can be set according to the actual engineering situation. Generally speaking, the range of the inclination angle β is 5° - 90°.

[0021] The principle of the present utility model is:

[0022] The tail drainage plate of this type of tension clamp is of a multi-ended type. When performing a "T"-connection of the line, only need to connect the "T"-connected line to the inclined end of the drainage plate. When short-circuiting different circuits, only need to connect the conductor of another circuit to the inclined end of the drainage plate, and at the same time disconnect the jumper of the vertical end of the drainage plate of the tension clamp. The application of this tension clamp optimizes the structure of the "T"-connection point or short-circuit point, with a simple structure, fewer operation steps for the "T"-connection and short-circuit of the line, shorter power outage time of the line, reducing the labor intensity of construction and operation and maintenance work, and having good economic and social benefits.

[0023] The above are only the preferred embodiments of the present utility model. It should be pointed out that for those skilled in the art, without departing from the overall concept of the present utility model, several changes and improvements can still be made, and these should also be regarded as the protection scope of the present utility model.

Claims

1. A multi-terminal drainage plate strain clamp, characterized in that: It includes a clamp body (2), the clamp body (2) is an annular clamp, a steel anchor (1) is connected inside the clamp body (2), the clamp body (2) is connected with at least two drainage plates (3), each drainage plate (3) is connected with a jumper clamp (4), and the jumper clamp (4) is fixed on the drainage plate (3) through at least one bolt (5).

2. The multi-terminal drainage plate strain clamp according to claim 1, characterized in that: Two drainage plates (3) are connected to the tail of the clamp body (2), namely a vertical drainage plate (4-1) and an inclined drainage plate (4-2). Among them, the vertical drainage plate (4-1) is connected to the lines on the front and back sides of the strain tower, and the inclined drainage plate (4-2) is connected to the "T" connection line or different circuits to be short-circuited.

3. The multi-terminal drainage plate strain clamp according to claim 2, characterized in that: The included angle α between the axis of the inclined drainage plate (4-2) and the axis of the drainage plate (3) is 10° - 40°.

4. The multi-terminal drainage plate strain clamp according to claim 2, characterized in that: The range of the inclination angle β between the axis of the inclined drainage plate (4-2) and the axis of the vertical drainage plate (4-1) is 5° - 90°.

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