Adjustable cross arm suitable for high-voltage towers

Abstract

The utility model relates to a kind of adjustable cross arm suitable for high-voltage tower, adjustable cross arm is set with adjusting plate from top to bottom at the upper portion of high-voltage tower on both sides, adjusting hole corresponding to each other is set with from top to bottom on two plate bodies, the seat plate formed by the lower part of two plate bodies is provided with two short plate bodies;Fixed screw middle part is worn in the hole C in the inner end of cross arm, the both ends of fixed screw are respectively worn in any two adjusting holes of two plate bodies for adjusting the angle of cross arm, the outer end of support rod is hinged and connected in the middle part of cross arm, fixed screw middle part is worn in the hole D in the inner end of support rod, the both ends of fixed screw are respectively worn in the connecting hole of two short plate bodies;Screw hole is provided in the middle part of support rod, the outer thread of top rod lower part is connected screw hole, the outer hexagonal screw surface that adjusts height is set in the lower part of top rod, and top rod upper end is supported on the lower part surface of cross arm;The utility model utilizes the hinged connection of inner end of cross arm and adjusting plate and the support of support rod to realize the height adjustment of cross arm, and top rod prevents the swing of cross arm.

Description

Technical Field

[0001] This invention relates to an adjustable crossarm, and more specifically, to an adjustable crossarm suitable for high-voltage transmission towers. Background Technology

[0002] High-voltage towers and crossarms are the supporting structures for power cables. The installation of high-voltage towers and crossarms allows electricity to enter urban and rural power grids from power plants. In the construction of high-voltage towers, it is necessary to pass through or bypass buildings, tree branches, mountains, and various excessively tall objects. It is also necessary to install angle high-voltage towers to ensure that the electricity can reach its destination smoothly. The crossarms of existing high-voltage towers are uniformly horizontal structures. In some special environments, it is not possible to avoid obstacles by adjusting the angle of the crossarms or to achieve mutual contact of cables by adjusting the height. Summary of the Invention

[0003] The purpose of this invention is to address the shortcomings of existing technologies by disclosing an adjustable crossarm suitable for high-voltage towers. The height of the crossarm is adjusted by a hinged connection between the inner end of the crossarm and the adjusting plate, and by the support of a support rod. A top rod is used to prevent the crossarm from swaying.

[0004] In order to achieve the objective of this invention, this application discloses the following technical solution: An adjustable crossarm suitable for high-voltage transmission towers includes a high-voltage transmission tower, an adjusting plate, a base plate, a crossarm, a support rod, and a top rod. Adjusting plates are spaced apart from top to bottom on both sides of the upper part of the high-voltage transmission tower. Each adjusting plate consists of two spaced-apart plates with corresponding adjusting holes spaced apart from top to bottom on the two plates. A base plate formed by two short plates is provided on the lower part of the high-voltage transmission tower below the two plates. The inner end of the crossarm is located between the two plates, and a fixing screw passes through a through hole C at the inner end of the crossarm. Both ends of the rod pass through any two adjustment holes on the two plates for adjusting the angle of the crossarm. The outer end of the rod is hinged to the middle of the crossarm, and the inner end of the rod is between the two short plates. The middle of the fixing screw passes through the through hole D at the inner end of the rod, and both ends of the fixing screw pass through the connecting holes of the two short plates. A screw hole is provided in the middle of the rod, and the external thread of the lower part of the top rod is connected to the screw hole. Near the lower part of the top rod, there is an external hexagonal screw surface for adjusting the height. The upper end of the top rod rests between the inner end and the middle of the lower surface of the crossarm.

[0005] The adjustable crossarm applicable to high-voltage towers has multiple reinforcing plates installed on the outer sides of the two plates of the adjusting plate and on the outer side of the high-voltage tower.

[0006] The adjustable crossarm applicable to high-voltage towers has two reinforcing plates installed on the outer sides of the two base plates and on the outer side of the high-voltage tower.

[0007] The adjustable crossarm suitable for high-voltage iron towers has a hole at the lower part of the external thread on the hexagonal screw surface of the top rod, and the anti-detachment ring is connected to the hole.

[0008] The adjustable crossarm applicable to high-voltage towers has a support rod divided into two sections. The support rod B is a horizontal support rod B. A support rod A with an outwardly inclined upper part is provided at the outer end of the support rod B. A through hole D is provided at the inner end of the support rod B, and a screw hole is provided in the middle of the support rod B. A through hole B is provided at the upper end of the support rod A. The upper end of the support rod A passes through a recess provided in the middle of the lower surface of the crossarm. The middle part of the screw shaft passes through the through hole B at the upper end of the support rod A, and the two ends of the screw shaft pass through the through holes A provided on the crossarm.

[0009] The adjustable crossarm applicable to high-voltage towers is equipped with porcelain insulators for fixing cables.

[0010] The adjustable crossarm applicable to high-voltage transmission towers is described above, wherein the high-voltage transmission tower has an external hexagonal structure.

[0011] The adjustable crossarm applicable to high-voltage iron towers is described above, and the crossarm has a square structure.

[0012] Based on the above disclosure, the beneficial effects of the present invention are: The adjustable crossarm of the present invention, applicable to high-voltage towers, connects the through hole C at the inner end of the crossarm to the adjustment hole at a suitable height on the adjustment plate by using fixing screws, and then uses a support rod to position the middle of the crossarm, so that the crossarm can be adjusted to a suitable angle; then the top rod fixes the crossarm and the support rod to prevent small vertical vibrations of the crossarm; the present invention has a reasonable structure and has the potential to be promoted in the power industry. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural schematic diagram of the present invention; Figure 2 A schematic diagram of a partial three-dimensional assembly structure of the present invention; Figure 3 Schematic diagram of the push rod structure of the present invention; In the diagram: 1. Crossarm; 2. Screw shaft; 3. Support rod A; 4. Top rod; 5. External hexagonal screw surface; 6. Anti-loosening ring; 7. Fixing screw; 8. Seat plate; 9. Porcelain insulator; 10. Adjusting plate; 11. Adjusting hole; 12. Reinforcing plate; 13. High-voltage tower; 14. Through hole A; 15. Through hole B; 16. Through hole C; 17. External thread; 18. Screw hole; 19. Support rod B; 20. Through hole D; 21. Connecting hole; 22. Hole. Detailed Implementation

[0014] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so as to better understand the inventive objectives, features, and advantages of the present invention. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the present invention, but are merely illustrative of possible implementations of the technical solutions of the present invention.

[0015] Combined with appendix Figures 1 to 3 The adjustable crossarm for high-voltage transmission towers described herein includes a high-voltage transmission tower 13, an adjusting plate 10, a base plate 8, a crossarm 1, a support rod, and a top rod 4. The high-voltage transmission tower 13 has an external hexagonal structure. Adjusting plates 10 are spaced apart from top to bottom on both sides of the upper part of the high-voltage transmission tower 13. Each adjusting plate 10 consists of two spaced-apart plates with corresponding adjusting holes 11 spaced apart from top to bottom on the two plates. Multiple reinforcing plates 12 are respectively provided on the outer surfaces of the two plates and the outer surfaces of the high-voltage transmission tower 13. A base plate 8 formed by two short plates is provided on the lower part of the high-voltage transmission tower 13. Two reinforcing plates 12 are respectively provided on the outer surfaces of the two base plates and the outer surfaces of the high-voltage transmission tower 13. A porcelain insulator 9 for fixing cables is provided on the crossarm 1. The crossarm 1 has a square structure, with its inner end located between the two plates and fixed with screws. The middle of the wire 7 passes through the through hole C16 at the inner end of the crossarm 1. The two ends of the fixing screw 7 pass through any two adjustment holes 11 on the two plates for adjusting the angle of the crossarm 1. The outer end of the support rod is hinged to the middle of the crossarm 1. The inner end of the support rod is located between the two short plates. The middle of the fixing screw 7 passes through the through hole D20 at the inner end of the support rod. The two ends of the fixing screw 7 pass through the connection holes 21 on the two short plates. A screw hole 18 is provided in the middle of the support rod. The external thread 17 at the lower part of the top rod 4 is connected to the screw hole 18. An external hexagonal screwing surface 5 for adjusting height is provided near the lower part of the top rod 4. The upper end of the top rod 4 rests between the inner end and the middle of the lower surface of the crossarm 1. A recess can be provided on the lower surface of the crossarm 1 where the upper end of the top rod 4 rests to prevent the upper end of the top rod 4 from sliding. A hole 21 is provided below the external thread 17 of the external hexagonal screwing surface 5 of the top rod 4. The anti-drop ring 6 is connected to the hole 22.

[0016] Furthermore, to facilitate the installation of the top rod 4 on the support rod, the support rod is divided into two sections. The support rod B19 is a horizontal support rod B19. A support rod A3 with an outward tilt is provided at the outer end of the support rod B19. A through hole D20 is provided at the inner end of the support rod B19, and a screw hole 18 is provided in the middle of the support rod B19. A through hole B15 is provided at the upper end of the support rod A3. The upper end of the support rod A3 passes through a recess provided in the middle of the lower surface of the crossbeam 1. The middle part of the screw shaft 2 passes through the through hole B15 at the upper end of the support rod A3. The two ends of the screw shaft 2 pass through the through holes A14 provided on the crossbeam 1 respectively.

[0017] Implement the adjustable crossarm for high-voltage transmission towers as described in this invention, combined with the attached... Figures 1 to 3First, connect the external thread 17 of the lower part of the top rod 4 to the screw hole 18 of the support rod B19 on the ground. Then, connect the upper end of the support rod A3 to the crossarm 1 through the screw shaft 2. Next, connect the crossarm 1 and the support rod B19 to the adjusting plate 10 and the seat plate 8 respectively through the fixing screw 7. Adjust the external hexagonal screw surface 5 of the top rod 4 so that the top rod 4 is firmly pressed into the recess set on the lower part of the crossarm 1. After all the installations are completed, the lower end of the high-voltage iron tower 13 is installed and fixed to the ground foundation pile by hoisting. Finally, install the porcelain insulator 9 on each crossarm 1 and then install the cable on the porcelain insulator 9.

[0018] The preferred embodiments of the present invention have been described in detail above. However, it should be understood that after reading the above teachings, those skilled in the art can make various alterations or modifications to the scope of protection of the present invention. These equivalent forms also fall within the scope defined by the appended claims.

[0019] The parts of this invention not described in detail are prior art.

Claims

1. An adjustable crossarm suitable for high-voltage transmission towers, comprising a high-voltage transmission tower (13), an adjusting plate (10), a base plate (8), a crossarm (1), a support rod, and a top rod (4), characterized in that: in The upper sides of the high-voltage tower (13) are provided with adjusting plates (10) spaced from top to bottom. The adjusting plates (10) are two plates spaced apart. The two plates are provided with corresponding adjusting holes (11) spaced from top to bottom. The high-voltage tower (13) at the bottom of the two plates is provided with a base plate (8) formed by two short plates. The inner end of the crossarm (1) is located between the two plates. The middle part of the fixing screw (7) is inserted into the through hole C (16) at the inner end of the crossarm (1). The two ends of the fixing screw (7) are respectively inserted into any two adjusting holes of the two plates for adjusting the angle of the crossarm (1). In the hole (11), the outer end of the support rod is hinged to the middle of the crossbeam (1), the inner end of the support rod is between the two short plates, the middle of the fixing screw (7) passes through the through hole D (20) at the inner end of the support rod, and the two ends of the fixing screw (7) pass through the connecting holes (21) of the two short plates respectively; a screw hole (18) is provided in the middle of the support rod, and the external thread (17) of the lower part of the top rod (4) is connected to the screw hole (18). An external hexagonal screwing surface (5) for adjusting the height is provided near the lower part of the top rod (4), and the upper end of the top rod (4) is between the inner end and the middle of the lower surface of the crossbeam (1).

2. The adjustable crossarm for high-voltage transmission towers according to claim 1, characterized in that: Multiple reinforcing plates (12) are respectively installed on the outer sides of the two plates of the regulating plate (10) and on the outer side of the high-voltage tower (13).

3. The adjustable crossarm for high-voltage transmission towers according to claim 1, characterized in that: in Two reinforcing plates (12) are respectively installed on the outer side of the two plates (8) and the outer side of the high-voltage tower (13).

4. The adjustable crossarm for high-voltage transmission towers according to claim 1, characterized in that: in The top rod (4) has a hole (21) at the bottom of the external thread (17) of the external hexagonal screw surface (5), and the anti-drop ring (6) is connected to the hole (22).

5. The adjustable crossarm for high-voltage transmission towers according to claim 1, characterized in that: The support rod is divided into two sections. The support rod B (19) is a horizontal support rod B (19). The support rod A (3) with an outward tilt is provided at the outer end of the support rod B (19). The through hole D (20) is provided at the inner end of the support rod B (19), and the screw hole (18) is provided in the middle of the support rod B (19). The through hole B (15) is provided at the upper end of the support rod A (3). The upper end of the support rod A (3) passes through the recess provided in the middle of the lower surface of the crossbeam (1). The middle part of the screw shaft (2) passes through the through hole B (15) at the upper end of the support rod A (3). The two ends of the screw shaft (2) pass through the through holes A (14) provided on the crossbeam (1).

6. The adjustable crossarm for high-voltage transmission towers according to claim 1, characterized in that: A porcelain insulator (9) for fixing cables is installed on the crossarm (1).

7. The adjustable crossarm for high-voltage transmission towers according to claim 1, characterized in that: The high-voltage tower (13) has an external hexagonal structure.

8. The adjustable crossarm for high-voltage transmission towers according to claim 1, characterized in that: The crossarm (1) has a square structure.

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