High-strength alloy cross arm of power tower

Abstract

The utility model discloses a power tower high-strength alloy cross arm which comprises a power tower cross arm assembly, the power tower cross arm assembly comprises a cross arm body, the cross arm body is of an L-shaped metal frame structure, a first reinforcing plate is fixedly installed at the upper end of the cross arm body, and a second reinforcing plate is fixedly installed at the lower end of the cross arm body. A second reinforcing plate is fixedly installed at the lower end of the first reinforcing plate, a plurality of installation through holes are formed in the first reinforcing plate and the second reinforcing plate, the reinforcing plates and the side edge plates are installed on the cross arm body, the overall strength and rigidity of the power tower cross arm are improved, the cross arm body can bear larger loads, and the cross arm body can bear larger loads. The stability of the cross arm is improved through the arrangement of the side edge plates and the fixing flitch plates, the cross arm is prevented from inclining or deforming under the action of external force such as strong wind, the cross arm is more convenient and faster to install through the screwing and rotating connection mode of the inside hexagonal bolts, meanwhile, later maintenance and replacement are facilitated, and the practicability is high. And the installation and maintenance cost and difficulty are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of packaging electric power tower, concretely is a kind of electric power tower high-strength alloy cross arm. BACKGROUND

[0002] Electric power tower high-strength alloy cross arm plays an important role in modern electric power transmission and distribution engineering, especially in the construction of high-voltage or extra-high voltage transmission lines. As an important component of electric power towers, the strength and durability of cross arms directly affect the stability and service life of electric power towers. High-strength alloy materials such as aluminum alloy and steel alloy are widely used in the cross arm part of electric power towers to improve the carrying capacity and durability of the cross arm and ensure the normal operation of the electric power tower under extreme weather conditions.

[0003] However, in actual use, the cross arm is mainly made of high-strength alloy materials such as steel alloy or aluminum alloy, and is usually in the shape of a rectangular, square or circular beam structure. It supports electric power lines and bears the weight of the lines and external loads. Since the cross arm of the electric power tower needs to support external loads and lines, it may be overloaded for a long time, which may cause permanent deformation of the cross arm. In severe cases, it may lead to instability or rupture of the cross arm. SUMMARY

[0004] The utility model aims to provide a kind of electric power tower high-strength alloy cross arm to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of electric power tower high-strength alloy cross arm, including electric power tower cross arm component, the electric power tower cross arm component includes cross arm main body, the cross arm main body is L-shaped metal frame structure, the upper end of the cross arm main body is fixedly installed with first reinforcing plate, the lower end of the first reinforcing plate is fixedly installed with second reinforcing plate, the inside of the first reinforcing plate and second reinforcing plate is provided with several installation through holes, the both sides of the cross arm main body are provided with first side edge plate and second side edge plate.

[0006] As a further preferred embodiment of the present technical solution, the first side edge plate is provided with a second fixed plate on one side, and the second side edge plate is provided with a first fixed plate on one side.

[0007] As a further preferred embodiment of the present technical solution, the inside of the both sides of the cross arm main body is provided with a threaded hole, and an internal hexagonal bolt is tightly screwed and rotationally connected inside the threaded hole.

[0008] As a further preferred embodiment of the present technical solution, the first side edge plate and the second fixed plate are tightly screwed and rotationally connected by an internal hexagonal bolt, and the second side edge plate and the first fixed plate are tightly screwed and rotationally connected by an internal hexagonal bolt.

[0009] As a further preferred aspect of the present technical solution, the cross arm body is provided with a support assembly on both sides, the support assembly comprises a first fixed support, and the two side ends of the cross arm body are connected and fixed with a second fixed support through welding.

[0010] As a further preferred aspect of the present technical solution, the first fixed support and the second fixed support are U-shaped metal frame structures.

[0011] As a further preferred aspect of the present technical solution, the first fixed support and the second fixed support are provided with a support connecting rod inside, and the support connecting rod is rotatably connected inside the first fixed support and the second fixed support through a fastening bolt.

[0012] The utility model provides a kind of electric power tower high-strength alloy cross arm, with the following beneficial effects:

[0013] The utility model discloses a kind of electric power tower high-strength alloy cross arm, with the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is the schematic diagram of the cross arm body and the threaded hole structure of the utility model;

[0016] Figure 3 It is the schematic diagram of the side plate and the fixed plate structure of the utility model;

[0017] Figure 4 It is the schematic diagram of the support assembly structure of the utility model.

[0018] In the drawing: 100, electric power tower cross arm assembly;101, cross arm body;102, first reinforcing plate;103, second reinforcing plate;104, threaded hole;105, first side plate;106, second side plate;107, first fixed plate;108, second fixed plate;109, internal hexagonal thread;200, support assembly;201, first fixed support;202, second fixed support;203, fastening bolt;204, support connecting rod. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings of the embodiments of the utility model.

[0020] The utility model provides technical scheme: as Figures 1-3 As shown in the figure, in the embodiment, a high-strength alloy cross arm of a power tower comprises a power tower cross arm assembly 100, the power tower cross arm assembly 100 comprises a cross arm main body 101, the cross arm main body 101 is an L-shaped metal frame structure, the upper end of the cross arm main body 101 is fixedly installed with a first reinforcing plate 102, the lower end of the first reinforcing plate 102 is fixedly installed with a second reinforcing plate 103, a plurality of installation through holes are formed in the interiors of the first reinforcing plate 102 and the second reinforcing plate 103, the two sides of the cross arm main body 101 are provided with a first side edge plate 105 and a second side edge plate 106, one side of the first side edge plate 105 is provided with a second fixed pasting plate 108, one side of the second side edge plate 106 is provided with a first fixed pasting plate 107, a threaded hole 104 is formed in the interior of the two sides of the cross arm main body 101, a hexagon socket head cap screw 109 is tightly and rotatably connected in the interior of the threaded hole 104, the first side edge plate 105 and the second fixed pasting plate 108 are tightly and rotatably connected and fixed through the hexagon socket head cap screw 109, the second side edge plate 106 and the first fixed pasting plate 107 are tightly and rotatably connected and fixed through the hexagon socket head cap screw 109, in actual use, first, prepare the components of the power tower cross arm assembly 100, including the cross arm main body 101 of the L-shaped metal frame structure, the first reinforcing plate 102, the second reinforcing plate 103, the first side edge plate 105, the second side edge plate 106, the first fixed pasting plate 107, the second fixed pasting plate 108 and the hexagon socket head cap screw 109, etc., the first reinforcing plate 102 is fixedly installed at the upper end of the cross arm main body 101, then the second reinforcing plate 103 is fixedly installed at the lower end of the first reinforcing plate 102, the installation of the two reinforcing plates can be completed through welding, bolt connection or other suitable connection mode, a plurality of installation through holes are formed in the interiors of the first reinforcing plate 102 and the second reinforcing plate 103, these through holes are used for the installation and fixation of subsequent cables or equipment, through the side edge plate and the fixed pasting plate, the overall strength and rigidity of the power tower cross arm are improved, and the stability and carrying capacity of the cross arm main body 101 are enhanced.

[0021] By installing the reinforcing plate and the side plate on the cross arm body 101, the overall strength and rigidity of the power tower cross arm are significantly improved, the cross arm body 101 can bear greater load, and the risk of deformation and damage is reduced, the setting of the side plate and the fixed plate increases the stability of the cross arm, prevents tilting or deformation under the action of external forces such as strong wind, the tightening and rotating connection mode of the inner hexagonal bolt 109 makes the installation of the cross arm more convenient and fast, and also facilitates the later maintenance and replacement, reduces the cost and difficulty of installation and maintenance.

[0022] As shown in Figure 1 , Figure 4 The cross arm body 101 is provided with a support assembly 200 on both sides, the support assembly 200 comprises a first fixed support 201, the two side ends of the cross arm body 101 are connected and fixed with a second fixed support 202 through welding, the first fixed support 201 and the second fixed support 202 are U-shaped metal frame structures, the inside of the first fixed support 201 and the second fixed support 202 is provided with a support connecting rod 204, the support connecting rod 204 is rotatably connected in the inside of the first fixed support 201 and the second fixed support 202 through a fastening bolt 203, in actual use, the first fixed support 201 is fixed on one side end of the cross arm body 101 through welding. The welding should be firm to bear the expected load, and similarly, the second fixed support 202 is fixed on the other side of the cross arm body 101 through welding, the support connecting rod 204 is rotatably connected in the inside of the first fixed support 201 and the second fixed support 202 through the fastening bolt 203, by installing the support assembly 200 on both sides of the cross arm body 101, the overall stability of the power tower cross arm is significantly improved, the existence of the support connecting rod 204 helps to disperse the load acting on the cross arm body 101, reduces the stress concentration of a single point, thereby reducing the risk of damage.

[0023] The utility model provides a kind of high-strength alloy cross arm of electric power tower, specific working principle is as follows: by first reinforcing plate 102 fixed installation is in the upper end of cross arm main body 101, then the lower end of first reinforcing plate 102 fixed installation second reinforcing plate 103, the installation of these two reinforcing plates can be completed by welding, bolt connection or other suitable connecting mode, several installation through holes are opened in the inside of first reinforcing plate 102 and second reinforcing plate 103, these through holes are used for subsequent cable or equipment installation and fixed, by side edge plate and fixed pasting plate, the overall strength and rigidity of electric power tower cross arm are improved, the stability and carrying capacity of cross arm main body 101 are enhanced, then installation, by first fixed support 201 by welding mode fixed in the one side end of cross arm main body 101. Welding should ensure firm, to withstand expected load, similarly, second fixed support 202 is fixed in the other side of cross arm main body 101 by welding mode, using fastening bolt 203 is rotated and is connected in the inside of first fixed support 201 and second fixed support 202, by installing support assembly 200 in the two sides of cross arm main body 101, the overall stability of electric power tower cross arm is significantly improved, the existence of support connecting rod 204 helps to disperse load acting on cross arm main body 101.

[0024] Although the embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high-strength alloy crossarm for power towers, comprising a power tower crossarm assembly (100), characterized in that: The power tower crossarm assembly (100) includes a crossarm body (101), which is an L-shaped metal frame structure. A first reinforcing plate (102) is fixedly installed at the upper end of the crossarm body (101), and a second reinforcing plate (103) is fixedly installed at the lower end of the first reinforcing plate (102). Several mounting through holes are opened inside the first reinforcing plate (102) and the second reinforcing plate (103). A first side plate (105) and a second side plate (106) are provided on both sides of the crossarm body (101).

2. The high-strength alloy crossarm for power towers according to claim 1, characterized in that: A second fixing plate (108) is provided on one side of the first side plate (105), and a first fixing plate (107) is provided on one side of the second side plate (106).

3. The high-strength alloy crossarm for power towers according to claim 1, characterized in that: The crossbeam body (101) has threaded holes (104) on both sides inside, and hexagonal socket bolts (109) are screwed into the threaded holes (104).

4. The high-strength alloy crossarm for power towers according to claim 2, characterized in that: The first side plate (105) and the second fixed plate (108) are tightened and rotated together by hex bolts (109), and the second side plate (106) and the first fixed plate (107) are tightened and rotated together by hex bolts (109).

5. The high-strength alloy crossarm for power towers according to claim 1, characterized in that: Support components (200) are installed on both sides of the crossarm body (101). The support components (200) include a first fixed bracket (201). The two ends of the crossarm body (101) are connected and fixed to the first fixed bracket (201) and the second fixed bracket (202) by welding.

6. The high-strength alloy crossarm for power towers according to claim 5, characterized in that: The first fixed bracket (201) and the second fixed bracket (202) are U-shaped metal frame structures.

7. A high-strength alloy crossarm for power towers according to claim 6, characterized in that: The first fixed bracket (201) and the second fixed bracket (202) are provided with a support link (204), which is rotatably connected inside the first fixed bracket (201) and the second fixed bracket (202) by a fastening bolt (203).

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