Cross arm iron component of power tower

Abstract

The utility model relates to a cross arm iron member of an electric power tower, which comprises two groups of unilateral cross arm iron components and two groups of connecting pieces, the two groups of unilateral cross arm iron components are symmetrically arranged on two opposite sides of an electric pole, and the two groups of unilateral cross arm iron components are connected through the two groups of connecting pieces and screws. The two unilateral cross arm iron assemblies are fixed to the outer side of the electric pole, and each unilateral cross arm iron assembly comprises two assemblies and a stud. Through cooperative arrangement of the unilateral cross arm iron assembly and the connecting piece, screws and studs used for locking connection can be hidden on the inner side of the device in the process that the cross arm iron component of the electric power tower is installed and fixed on the outer side of an electric pole, so that corrosion caused by contact between fasteners and rainwater is reduced, and the service life of the electric power tower is prolonged. The mounting and fixing stability of the cross arm iron component of the power tower is improved; when the cross arm iron component of the power tower is installed, other iron accessories such as hoops do not need to be additionally used for matched installation.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power hardware, in particular to a cross arm iron component of an electric power tower. Background Art

[0002] The power tower is the tower of the overhead transmission line. It is a supporting structure for the conductors and lightning conductors. The power tower enables the conductors to meet the distance requirements from the ground and objects. The power tower can withstand the loads of the conductors, lightning conductors, its own loads and external loads.

[0003] Crossarms are usually made of angle iron and fixed horizontally on the top of the pole. There is a porcelain bottle on it. It is an important part of the pole tower. It is used to install insulators and hardware to support the conductors and lightning conductors and keep them at a certain safe distance as required. Crossarms can be divided into iron crossarms, porcelain crossarms, and synthetic insulation crossarms according to their materials; crossarms can be divided into crossarms for 10KV and below lines, such as single-pole crossarms, door pole crossarms, lifting crossarms, lead-in crossarms, etc., and assembled crossarms (straight, corner and tension-resistant) for 35KV and above lines according to their uses.

[0004] When installing and fixing the cross-arm iron structure, it is generally necessary to cooperate with clamps and bolts and other fasteners for installation and fixing. After the cross-arm iron structure is installed and fixed, the bolts used for fixing will be exposed to the outside, which will be easily corroded by rain, and then easily cause the installation and fixing of the cross-arm iron structure to be unstable. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The utility model provides a cross arm iron component of an electric power tower, which solves the problem that after the cross arm iron component is installed and fixed, most of the bolts used for fixing are exposed to the outside, so that it is easy to rust under the influence of rain, and then it is easy to cause the installation and fixing of the cross arm iron component to be unstable.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cross-arm iron component of an electric power tower, comprising two groups of single-sided cross-arm iron assemblies and two groups of connecting pieces, the two groups of single-sided cross-arm iron assemblies are symmetrically arranged on opposite sides of an electric pole, and the two groups of single-sided cross-arm iron assemblies are connected by two groups of connecting pieces and screws, so that the two groups of single-sided cross-arm iron assemblies are fixed on the outside of the electric pole, the single-sided cross-arm iron assembly comprises two groups of assemblies and studs, the opposite sides of the two groups of assemblies are respectively threadedly connected to the two ends of the studs, so that the two groups of assemblies are connected to form a whole, and the parts of the two assemblies close to the electric pole and the parts of the connecting pieces close to the electric pole are in contact with the electric pole.

[0009] Preferably, the combination includes a vertical section, a horizontal section, a plurality of slots, a first protrusion and a second protrusion, the horizontal section is formed at the top of the vertical section, and an "L" rotated ninety degrees is formed between the horizontal section and the vertical section, the plurality of slots are respectively opened on the vertical section and the horizontal section, the first protrusion and the second protrusion are both formed at one end of the vertical section close to the stud, the side of the second protrusion facing the pole is set to an arc surface adapted to the pole, there is a gap between the first protrusion and the second protrusion, and the gap between the first protrusion and the second protrusion includes an arc-shaped arc groove and a positioning area connected to the arc groove and protruding outward.

[0010] It is further preferred that the connecting member includes a connecting portion, two connecting portions and two buckling portions, the two connecting portions are respectively formed at both ends of the fitting portion, and the connecting portion is inserted into adjacent arc-shaped grooves, the two buckling portions are respectively formed on the outer walls of the two connecting portions, and the buckling portions are inserted into adjacent positioning areas, the connecting portion is fixed to the adjacent second protrusion and the first protrusion by screws, and the side of the fitting portion facing the pole is set to an arc surface that matches the pole.

[0011] (III) Beneficial effects

[0012] Compared with the prior art, the utility model provides a cross arm iron member of a power tower, which has the following beneficial effects:

[0013] In the utility model, through the coordinated arrangement of the single-sided cross-arm iron assembly and the connecting piece, during the process of installing and fixing the cross-arm iron component of the power tower on the outside of the pole, the screws and studs used for locking the connection can be hidden on the inside of the device, thereby reducing the corrosion caused by the contact between the fasteners and rainwater, and improving the stability of the installation and fixation of the cross-arm iron component of the power tower; and when installing the cross-arm iron component of the power tower, there is no need to use other iron accessories such as clamps to cooperate with the installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of a cross arm iron member of a power tower according to the implementation scheme when used in conjunction with an electric pole;

[0015] Figure 2 for Figure 1 Schematic diagram of the structure of the cross arm iron member of the power tower of China;

[0016] Figure 3 It is a schematic diagram of the exploded structure of a single-side cross-arm assembly according to the implementation scheme;

[0017] Figure 4 Schematic diagram of the structure of a connector according to an embodiment.

[0018] In the figure: 10, single-sided cross-arm assembly; 11, assembly; 111, vertical section; 112, horizontal section; 113, slot; 114, first protrusion; 115, second protrusion; 116, arc groove; 117, positioning area; 118, connecting groove; 12, stud; 20, connector; 21, fitting part; 22, connecting part; 23, buckling part; 30, pole. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1 and Figure 2 A cross arm iron component of a power tower includes two groups of single-sided cross arm iron assemblies 10 and two groups of connectors 20. Both the single-sided cross arm iron assemblies 10 and the two groups of connectors 20 can be made by a casting process. The two groups of single-sided cross arm iron assemblies 10 are symmetrically arranged on opposite sides of a pole 30, and the two groups of single-sided cross arm iron assemblies 10 are connected by two groups of connectors 20 and screws, so that the two groups of single-sided cross arm iron assemblies 10 are fixed on the outside of the pole 30, thereby completing the installation and fixation of the cross arm iron component.

[0021] See also Figure 3The single-side cross-arm iron assembly 10 includes two groups of assemblies 11 and studs 12. The two groups of assemblies 11 are formed with connecting grooves 118 on the facing sides. After the two groups of assemblies 11 are respectively threadedly connected with the two ends of the studs 12 by the connecting grooves 118, the two groups of assemblies 11 can be connected to form a whole and constitute the single-side cross-arm iron assembly 10. The assembly 11 includes a vertical section 111, a horizontal section 112, a plurality of slots 113, a first protrusion 114 and a second protrusion 115. The horizontal section 112 is formed at the top of the vertical section 111, and a "L" rotated ninety degrees is formed between the horizontal section 112 and the vertical section 111. The functions of the horizontal section 112 and the vertical section 111 are the same as those of the traditional cross-arm iron components, and a plurality of slots 113 are respectively opened on the vertical section 111 and the horizontal section 112, so that the vertical section 111 and the horizontal section 112 can be connected with the external power element for use. The first protrusion 114 and the second protrusion 115 are both formed at one end of the vertical section 111 close to the stud 12, and there is a gap between the first protrusion 114 and the second protrusion 115. The gap between the first protrusion 114 and the second protrusion 115 includes an arc-shaped arc groove 116 and a positioning area 117 that is connected to the arc groove 116 and protrudes outward. The arc groove 116 and the positioning area 117 are both used for assembly with the connector 20.

[0022] See also Figure 4 The connector 20 includes a connector 22, two connector sections 22, and two buckling sections 23. The two connector sections 22 are formed at both ends of the fitting portion 21, and the connector 22 is inserted into the adjacent arc groove 116. The two buckling sections 23 are formed on the outer walls of the two connectors 22, and the buckling sections 23 are inserted into the adjacent positioning areas 117. The connector 22 is fixed to the adjacent second protrusion 115 and the first protrusion 114 by screws, so that the connector 20 can be placed in a limited position when in use and assembled with the single-side cross arm iron assembly 10.

[0023] In this embodiment, the side of the second protrusion 115 facing the pole 30 is set to a curved surface that matches the pole 30, and the side of the fitting portion 21 facing the pole 30 is set to a curved surface that matches the pole 30, so that when the device is installed and fixed, the part of the combination 11 in the device close to the pole 30 and the part of the connecting member 20 close to the pole 30 can both contact the pole 30, and the device can be clamped and fixed outside the pole 30.

[0024] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described one by one here. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A cross arm iron member of a power tower, characterized in that: The utility model comprises two groups of single-sided cross-arm iron assemblies (10) and two groups of connecting pieces (20), wherein the two groups of single-sided cross-arm iron assemblies (10) are symmetrically arranged on opposite sides of an electric pole (30), and the two groups of single-sided cross-arm iron assemblies (10) are connected by using two groups of connecting pieces (20) and screws, so that the two groups of single-sided cross-arm iron assemblies (10) are fixed on the outer side of the electric pole (30). The single-sided cross-arm assembly (10) comprises two groups of assemblies (11) and studs (12), and the facing sides of the two groups of assemblies (11) are respectively threadedly connected to the two ends of the studs (12), so that the two groups of assemblies (11) are connected to form a whole, and the parts of the two assemblies (11) close to the pole (30) and the parts of the connecting piece (20) close to the pole (30) are in contact with the pole (30).

2. The cross arm iron member of a power tower according to claim 1, characterized in that: The assembly (11) comprises a vertical section (111), a horizontal section (112), a plurality of slots (113), a first protrusion (114) and a second protrusion (115); the horizontal section (112) is formed at the top of the vertical section (111), and an "L" rotated ninety degrees is formed between the horizontal section (112) and the vertical section (111); the plurality of slots (113) are respectively provided on the vertical section (111) and the horizontal section (112); the first protrusion (114) and the second protrusion (115) are both formed at one end of the vertical section (111) close to the stud (12); and the second protrusion (115) is provided with a side facing the electric pole (30) as an arc surface adapted to the electric pole (30).

3. The cross arm iron member of a power tower according to claim 2, characterized in that: There is a gap between the first protrusion (114) and the second protrusion (115), and the gap between the first protrusion (114) and the second protrusion (115) includes an arc-shaped arc groove (116) and a positioning area (117) that is connected to the arc groove (116) and protrudes outward.

4. The cross arm iron member of a power tower according to claim 3, characterized in that: The connecting member (20) comprises a connecting portion (22), two connecting portion sections (22) and two buckling portions (23), the two connecting portions (22) being respectively formed at two ends of the fitting portion (21), and the connecting portion (22) being inserted into adjacent arc-shaped grooves (116), the two buckling portions (23) being respectively formed on outer walls of the two connecting portions (22), and the buckling portions (23) being inserted into adjacent positioning areas (117).

5. The cross arm iron member of a power tower according to claim 4, characterized in that: The connecting portion (22) is connected and fixed to the adjacent second protruding portion (115) and the first protruding portion (114) by means of screws.

6. A cross arm iron member of a power tower according to claim 4 or 5, characterized in that: The side of the fitting portion (21) facing the electric pole (30) is arranged as a curved surface adapted to the electric pole (30).

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