Power transmission iron tower leg V-face structure, tower leg comprising same and iron tower

Abstract

The utility model belongs to the technical field of power transmission and distribution devices, and particularly relates to a power transmission iron tower leg V-face structure which comprises a supporting assembly arranged on a power transmission iron tower leg V-face, the supporting assembly comprises a supporting connecting piece, and the supporting connecting piece is adjustably connected to two tower leg main materials on the power transmission iron tower leg V-face. By adjusting the supporting connecting pieces, the influence caused by natural droop of the V-face structure of the tower leg of the power transmission tower under the action of gravity is reduced or eliminated, and the supporting effect of the V-face structure of the tower leg is guaranteed. The utility model further provides a power transmission tower leg which comprises the V-face structure, and the structural strength of the tower leg is guaranteed. The utility model further provides a power transmission iron tower which comprises the V-face structure, the supporting effect of the tower legs is guaranteed, and the stability of the power transmission iron tower is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of power transmission and distribution devices, and in particular relates to a V-surface structure of a tower leg of a power transmission iron tower, a tower leg containing the structure, and an iron tower. Background Art

[0002] The transmission line tower is a tower-shaped building for erecting transmission lines for power transmission. Its structural characteristics are that all types of towers are space truss structures, and the rods are mainly composed of single equilateral angle steel or combined angle steel; the entire tower is mainly composed of three parts: tower head, tower body and tower legs. Among them, the V-shaped structure tower leg includes the front, side and V-face of the tower leg. In actual use, the V-face structure of the tower leg of the existing transmission line tower will naturally sink under the action of gravity, affecting the supporting function of the V-face structure.

[0003] Based on the above, there is an urgent need to provide a V-surface structure of a transmission tower leg, a tower leg and a tower containing the structure to solve the technical problems existing in the prior art. Utility Model Content

[0004] The utility model aims to provide a V-surface structure of a transmission iron tower leg, a tower leg and an iron tower containing the structure, so as to solve the technical problems existing in the prior art. The specific technical solutions are as follows:

[0005] A V-surface structure of a transmission tower leg comprises a support assembly arranged on the V-surface of the transmission tower leg, wherein the support assembly comprises a support connector, and the support connector is adjustably connected to two tower leg main materials on the V-surface of the transmission tower leg.

[0006] Furthermore, the supporting connector is connected to the tower leg main material through an adjustable connector; the adjustable connector includes a connector and an adjusting member; the connector connects the supporting connector and the tower leg main material, and the adjusting member is arranged between the connector and the supporting connector to adjust the position of the supporting connector.

[0007] Furthermore, the connecting member includes a node plate and bolts; one end of the node plate is connected to the tower leg main material through bolts, and the other end is connected to the supporting connecting member through bolts.

[0008] Furthermore, an elongated hole is provided at the end of the supporting connecting member, and the bolt is arranged to pass through the elongated hole; an adjusting member is arranged between one end of the elongated hole close to the end of the supporting connecting member and the bolt.

[0009] Furthermore, the adjusting member is a variable-section bolt, and the variable-section bolt is a conical structure.

[0010] Furthermore, the length of the elongated hole is a, the maximum diameter of the variable-section bolt is 0.8a, and the minimum diameter is 0.05a.

[0011] Furthermore, the length a of the long strip hole is equal to the product of the displacement value δ of the natural droop of the supporting connection member and the vertical displacement conversion coefficient β.

[0012] Furthermore, the support assembly also includes a triangular support frame arranged between the support connector and the tower leg main material.

[0013] A transmission iron tower leg comprises a plurality of V-surface structures as described above, wherein the plurality of V-surface structures are arranged in sequence from top to bottom along the V-surface of the transmission iron tower leg.

[0014] A power transmission tower comprises a plurality of power transmission tower legs distributed in a matrix at the bottom of a power transmission tower body, wherein the V-surfaces of the power transmission tower legs are provided with a plurality of V-surface structures as described above from top to bottom.

[0015] The application of the technical solution of the utility model has the following beneficial effects:

[0016] (1) The utility model provides a V-surface structure of a transmission tower leg, comprising a support assembly arranged on the V-surface of the transmission tower leg, wherein the support assembly comprises a support connector, and the support connector is adjustably connected to two tower leg main materials on the V-surface of the transmission tower leg. By adjusting the support connector, the influence of the natural sagging of the V-surface structure of the transmission tower leg under the action of gravity is reduced or eliminated, thereby ensuring the supporting effect of the tower leg V-surface structure.

[0017] (2) In the present invention, the adjustable connector includes a connector and an adjusting member; the connector connects the supporting connector and the main material of the tower leg, and the adjusting member is arranged between the connector and the supporting connector, and is used to adjust the position of the supporting connector to achieve the tightening of the supporting connector, thereby reducing or eliminating the displacement caused by the natural sagging of the V-surface structure of the tower leg of the transmission tower under the action of gravity.

[0018] (3) In the present invention, the adjusting member adopts a variable-section bolt, and the variable-section bolt is a conical structure. The position of the supporting connecting member can be adjusted by adjusting the depth of the variable-section bolt inserted into the supporting connecting member.

[0019] (4) The utility model provides a transmission tower leg, comprising a plurality of V-surface structures as described above, wherein the plurality of V-surface structures are arranged in sequence from top to bottom along the V-surface of the transmission tower leg. The tower leg can reduce or eliminate the sagging deformation of the V-surface of the transmission tower leg, thereby ensuring the structural strength of the tower leg.

[0020] (5) The utility model provides a transmission iron tower, comprising a plurality of transmission iron tower legs distributed in a matrix at the bottom of the transmission iron tower body, wherein the V-surface of the transmission iron tower legs is provided with a plurality of V-surface structures as described above from top to bottom. The transmission iron tower is provided with the V-surface structure as described above, thereby ensuring the supporting function of the tower legs and improving the stability of the transmission iron tower.

[0021] In addition to the above-described purposes, features and advantages, the present invention has other purposes, features and advantages. The present invention will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0023] Figure 1 It is a schematic diagram of the V-surface structure of the tower leg of the power transmission iron tower in the utility model;

[0024] Figure 2 yes Figure 1 A partial enlarged view of

[0025] Figure 3 It is a schematic diagram of a power transmission tower in the utility model;

[0026] Among them, 1. main material of tower leg, 2. supporting assembly, 2.1. supporting connector, 2.1.1. long strip hole, 2.2. triangular supporting frame, 3. adjustable connector, 3.1. connector, 3.1.1. node plate, 3.1.2. bolt, 3.2. adjusting part. DETAILED DESCRIPTION

[0027] The embodiments of the present invention are described in detail below with reference to the accompanying drawings. However, the present invention can be implemented in many different ways as defined and covered by the claims.

[0028] In the description of the present invention, it should be noted that the terms "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", "front", "back", "lateral", "longitudinal", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0029] Example:

[0030] See also Figure 1The present embodiment provides a V-surface structure of a transmission tower leg, including a support assembly 2 arranged on the V-surface of the transmission tower leg, the support assembly 2 including a support connector 2.1, the support connector 2.1 being adjustably connected to two tower leg main materials 1 on the V-surface of the transmission tower leg. In the present embodiment, the support connector 2.1 and the tower leg main material 1 are both made of angle steel, and two support connectors 2.1 are provided, which are arranged in a cross shape between the two tower leg main materials 1. By adjusting the support connector 2.1, the influence of the natural sagging of the V-surface structure of the transmission tower leg under the action of gravity is reduced or eliminated, and the supporting effect of the tower leg V-surface structure is ensured.

[0031] See also Figure 2 The supporting connector 2.1 is connected to the tower leg main material 1 through an adjustable connector 3; the adjustable connector 3 includes a connector 3.1 and an adjusting member 3.2; the connector 3.1 connects the supporting connector 2.1 and the tower leg main material 1, and the adjusting member 3.2 is arranged between the connector 3.1 and the supporting connector 2.1 to adjust the position of the supporting connector 2.1.

[0032] Specifically, the connecting member 3.1 includes a node plate 3.1.1 and bolts 3.1.2; one end of the node plate 3.1.1 is connected to the tower leg main material 1 through the bolts 3.1.2. In this embodiment, preferably, one end of the node plate 3.1.1 is provided with three bolt holes, and the bolts 3.1.2 penetrate the bolt holes to be connected to the tower leg main material 1.

[0033] The other end of the node plate 3.1.1 is connected to the support connector 2.1 by a bolt 3.1.2. In this embodiment, the other end of the node plate 3.1.1 is provided with a bolt hole, and the end of one limb of the angle steel of the support connector 2.1 is provided with a long strip hole 2.1.1, and the bolt 3.1.2 passes through the long strip hole 2.1.1 and the bolt hole; see Figure 2 An adjusting member 3.2 is provided between one end of the elongated hole 2.1.1 close to the end of the supporting connecting member 2.1 and the bolt 3.1.2. In this embodiment, the adjusting member 3.2 is provided at the end of the other limb of the angle steel of the supporting connecting member 2.1 corresponding to the elongated hole 2.1.1.

[0034] The adjusting member 3.2 is a variable-section bolt, which is a conical structure. By adjusting the depth of the variable-section bolt inserted into the supporting connector 2.1, the position of the supporting connector 2.1 can be adjusted. Specifically, when the supporting connector 2.1 naturally sags, the bolt 3.1.2 connecting the node plate 3.1.1 and the supporting connector 2.1 is fixed, and the depth of the variable-section bolt inserted into the supporting connector 2.1 is increased to move the position of the supporting connector 2.1 upward, that is, the supporting connector 2.1 is tightened, the natural drooping displacement of the tower leg V-surface structure is reduced or eliminated, and the supporting effect of the tower leg V-surface structure is ensured.

[0035] In this embodiment, the length of the elongated hole 2.1.1 is a, the maximum diameter of the variable-section bolt is 0.8a, and the minimum diameter is 0.05a.

[0036] The length a of the long strip hole 2.1.1 is equal to the product of the displacement value δ of the natural droop of the supporting connector 2.1 and the vertical displacement conversion coefficient β, that is, a=β*δ, β is 0.01~0.1; δ=α*L^2, where L is the length of the supporting connector, α=λ^2*sinθ / 1582080, α is the sinking coefficient of the V-surface supporting connector, θ is the slope of the V-surface, and λ is the slenderness ratio of the V-surface supporting connector.

[0037] The support assembly 2 further comprises a triangular support frame 2.2 disposed between the support connector 2.1 and the tower leg main member 1, and the triangular support frame 2.2 further supports the support connector 2.1.

[0038] See also Figure 3 This embodiment also provides a transmission tower leg, comprising a plurality of V-surface structures A as described above, which are arranged in sequence from top to bottom along the V-surface of the transmission tower leg. The tower leg can reduce or eliminate the sagging deformation of the V-surface of the transmission tower leg, thereby ensuring the structural strength of the tower leg.

[0039] See also Figure 3 This embodiment also provides a transmission iron tower, comprising a plurality of transmission iron tower legs distributed in a matrix at the bottom of the transmission iron tower body, wherein the V-surface of the transmission iron tower legs is provided with a plurality of V-surface structures A as described above from top to bottom. The transmission iron tower is provided with the V-surface structure A as described above, thereby ensuring the supporting function of the tower legs and improving the stability of the transmission iron tower.

[0040] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A V-surface structure of a transmission tower leg, characterized in that: The invention comprises a support assembly (2) arranged on the V-surface of a power transmission tower leg, wherein the support assembly (2) comprises a support connector (2.1), and the support connector (2.1) is adjustably connected to two tower leg main materials (1) on the V-surface of the power transmission tower leg.

2. The V-surface structure of the transmission tower leg according to claim 1, characterized in that: The supporting connector (2.1) is connected to the tower leg main material (1) via an adjustable connector (3); The adjustable connecting member (3) comprises a connecting member (3.1) and an adjusting member (3.2); the connecting member (3.1) connects the supporting connecting member (2.1) and the tower leg main material (1), and the adjusting member (3.2) is arranged between the connecting member (3.1) and the supporting connecting member (2.1) and is used to adjust the position of the supporting connecting member (2.1).

3. The V-surface structure of the transmission tower leg according to claim 2, characterized in that: The connecting member (3.1) comprises a node plate (3.1.1) and bolts (3.1.2); one end of the node plate (3.1.1) is connected to the tower leg main material (1) through the bolts (3.1.2), and the other end of the node plate (3.1.1) is connected to the support connecting member (2.1) through the bolts (3.1.2).

4. The V-surface structure of the transmission tower leg according to claim 3, characterized in that: The end of the supporting connecting member (2.1) is provided with a long strip hole ( 2.1.1), the bolt (3.1.2) passes through the long strip hole ( 2.1.1) is provided; an adjusting member (3.2) is provided between one end of the elongated hole (2.1.1) close to the end of the supporting connecting member (2.1) and the bolt (3.1.2).

5. The V-surface structure of the transmission tower leg according to claim 4, characterized in that: The adjusting member (3.2) is a variable-section bolt, and the variable-section bolt is a conical structure.

6. The V-surface structure of the transmission tower leg according to claim 5, characterized in that: The length of the long strip hole (2.1.1) is a, the maximum diameter of the variable-section bolt is 0.8a, and the minimum diameter is 0.05a.

7. The V-surface structure of the transmission tower leg according to claim 6, characterized in that: The length a of the long strip hole (2.1.1) is equal to the product of the displacement value δ of the natural droop of the supporting connection member (2.1) and the vertical displacement conversion coefficient β.

8. The V-surface structure of a transmission tower leg according to any one of claims 1 to 7, characterized in that: The support assembly (2) also includes a triangular support frame (2.2) arranged between the support connector (2.1) and the tower leg main material (1).

9. A transmission tower leg, characterized in that: It comprises a plurality of V-surface structures as described in any one of claims 1 to 8, wherein the plurality of V-surface structures are arranged in sequence from top to bottom along the V-surface of the tower leg of the transmission tower.

10. A transmission tower, characterized in that: It comprises a plurality of transmission tower legs distributed in a matrix at the bottom of a transmission tower body, wherein the V-surface of the transmission tower leg is provided with a plurality of V-surface structures as described in any one of claims 1 to 8 from top to bottom.

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