Transmission line cross arm

Abstract

The utility model discloses a power transmission line cross arm, which relates to the technical field of cross arms and comprises a tower, a reinforcing assembly and a cross arm assembly, the reinforcing assembly is arranged on the outer side of the tower, and the cross arm assembly is arranged on the upper side of the reinforcing assembly. The reinforcing assembly comprises reinforcing hoops and first reinforcing blocks, the reinforcing hoops are arranged on the left side and the right side of the tower, the reinforcing hoops, the connecting shaft, the cross arm body and the installation hoops are arranged, the device can be matched with the cross arm body through the installation hoops for fixation, the cross arm body is reinforced through the two reinforcing hoops, and the cross arm body is fixed through the first reinforcing blocks and the second reinforcing blocks. Meanwhile, the reinforcing hoop and the cross arm body are connected through the adjustable connecting shaft, the cross arm body can be positioned through the connecting shaft and the reinforcing hoop, so that the device is easier to disassemble and assemble, meanwhile, part of gravity borne by the cross arm body is conducted to the reinforcing hoop through the connecting shaft, and the device can achieve reliable fixation of the cross arm body and a tower; the cross arm body is more stable, and power transmission lines are prevented from being broken.

Description

Technical Field

[0001] This utility model belongs to the field of crossarm technology, and specifically relates to a crossarm for power transmission lines. Background Technology

[0002] As an important component of transmission line towers, the main function of the crossarm is to install insulators and fittings to support conductors and lightning protection wires and ensure that they maintain the prescribed safe distance.

[0003] In some existing transmission line crossarms, the crossarm body is fixed to the tower using "U" shaped clamps and bolts. Since the tower is cylindrical, the "U" shaped clamps cannot reliably fix the crossarm body to the tower, and the crossarm is prone to slippage. In severe cases, it may cause the transmission line to break. Therefore, a new type of transmission line crossarm is proposed to address the above problems. Utility Model Content

[0004] The purpose of this utility model is to provide a crossarm for power transmission lines to solve the problem that some existing crossarms are fixed to the tower by "U"-shaped clamps and bolts. Since the tower is cylindrical, the "U"-shaped clamps cannot reliably fix the crossarm to the tower, and the crossarm is prone to slippage, which may cause the power transmission line to break in severe cases.

[0005] The specific technical solution is as follows:

[0006] A power transmission line crossarm includes a tower, a reinforcement assembly, and a crossarm assembly. The reinforcement assembly is located on the outer side of the tower, and the crossarm assembly is located on the upper side of the reinforcement assembly. The reinforcement assembly includes reinforcement clamps and first reinforcing blocks. Reinforcing clamps are located on both the left and right sides of the tower. Two first reinforcing blocks are fixedly connected to the opposite sides of the two reinforcement clamps. First bolts are located on both the front and rear sides of the tower. The left half of each first bolt is threaded with a first nut. Mounting seats are fixedly connected to the opposite sides of the two reinforcement clamps. A first reinforcing block is rotatably connected to the inner side of each mounting seat. A rotating pin is provided, the front half of which is rotatably connected to a connecting shaft. A second reinforcing block is fixedly connected to the bend of the connecting shaft. A second rotating pin is rotatably connected to the inner side of the connecting shaft. The crossarm assembly includes a crossarm body and a mounting clamp. The front side of the tower is provided with a crossarm body, which is rotatably connected to the second rotating pin. The rear side of the tower is provided with a mounting clamp, and two third reinforcing blocks are fixedly connected to the rear side of the mounting clamp. Second bolts are provided on both the left and right sides of the tower, and the front half of each second bolt is threaded with a second nut.

[0007] Preferably, the inner side of the reinforcing clamp is tightly fitted to the tower, each reinforcing clamp is provided with two symmetrically distributed first mounting holes, each first reinforcing block is provided with a second mounting hole, and each connecting shaft is a bent shaft.

[0008] Preferably, the first bolts all pass through the first mounting holes of the two reinforcing clamps and the second mounting holes of the two first reinforcing blocks, and the right side of the first nut is tightly fitted with the first reinforcing block.

[0009] Preferably, the crossarm body is provided with two third mounting holes that extend from front to back, the mounting clamp is provided with two symmetrically distributed fourth mounting holes, and each of the third reinforcing blocks is provided with a fifth mounting hole.

[0010] Preferably, the second bolts all pass through the third mounting hole of the crossarm body, the fourth mounting hole of the mounting clamp, and the fifth mounting hole of the third reinforcing block, and the rear side of the second nut is tightly fitted to the crossarm body.

[0011] Preferably, a curved metal plate is provided on the rear side of the crossarm body, the curved metal plate of the crossarm body is in close contact with the pole, and the inner side of the mounting clamp is in close contact with the pole.

[0012] Preferably, the inner side of the bent metal plate is also provided with a rubber pad to reduce damage to the tower and protect the tower.

[0013] Compared with existing technologies, this utility model has the following beneficial effects:

[0014] In this invention, the device, through the inclusion of reinforcing clamps, a connecting shaft, a crossarm body, and mounting clamps, can be fixed to the crossarm body using mounting clamps. Two reinforcing clamps reinforce the crossarm body, while an adjustable connecting shaft connects the reinforcing clamps and the crossarm body. The connecting shaft and reinforcing clamps allow for positioning of the crossarm body, making the device easier to assemble and disassemble. Furthermore, the axial reinforcing clamps transmit some of the weight of the crossarm body. This device ensures reliable fixation of the crossarm body to the tower, making the crossarm body more stable and preventing the power transmission line from breaking. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0017] Figure 2 This is a schematic diagram of the installation structure of the crossarm assembly of this utility model.

[0018] Figure 3 This is a schematic diagram of the reinforcement component structure of this utility model.

[0019] Figure 4 This is a cross-sectional view of the crossarm assembly structure of this utility model.

[0020] Explanation of key figure labels:

[0021] 1-Pole / Tower; 2-Reinforcement Component; 21-Reinforcement Clamp; 22-First Reinforcing Block; 23-First Bolt; 24-First Nut; 25-Mounting Base; 26-First Rotating Pin; 27-Connecting Shaft; 28-Second Reinforcing Block; 29-Second Rotating Pin; 3-Crossarm Assembly; 31-Crossarm Body; 32-Mounting Clamp; 33-Third Reinforcing Block; 34-Second Bolt; 35-Second Nut. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] In the description of this utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "top surface", "bottom surface", "inner", "outer", "inner side", "outer side", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0024] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If the terms "first," "second," and "third" are used in the description, they are for descriptive purposes and to distinguish technical features, and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the sequential relationship of the indicated technical features.

[0025] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. The embodiments of this utility model will now be described based on its overall structure.

[0026] Example

[0027] Please see Figure 1-4 This utility model provides a power transmission line crossarm, including a tower 1, a reinforcing component 2, and a crossarm assembly 3. The reinforcing component 2 is provided on the outer side of the tower 1, and the crossarm assembly 3 is provided on the upper side of the reinforcing component 2. The reinforcing component 2 includes a reinforcing clamp 21 and a first reinforcing block 22. Reinforcing clamps 21 are provided on both the left and right sides of the tower 1. Two first reinforcing blocks 22 are fixedly connected to the opposite sides of the two reinforcing clamps 21. First bolts 23 are provided on both the front and rear sides of the tower 1. The left half of each first bolt 23 is threaded with a first nut 24. Mounting seats 25 are fixedly connected to the opposite sides of each of the two reinforcing clamps 21. The inner side of each mounting seat 25 is rotatably connected with... The first rotating pin 26 has a connecting shaft 27 rotatably connected to the front half of each of the first rotating pins 26. The second reinforcing block 28 is fixedly connected to the bend of the connecting shaft 27. The second rotating pin 29 is rotatably connected to the inner side of the connecting shaft 27. The crossarm assembly 3 includes a crossarm body 31 and a mounting clamp 32. The front side of the tower 1 is provided with a crossarm body 31, which is rotatably connected to the second rotating pin 29. The rear side of the tower 1 is provided with a mounting clamp 32, and two third reinforcing blocks 33 are fixedly connected to the rear side of the mounting clamp 32. The left and right sides of the tower 1 are provided with second bolts 34, and the front half of the second bolts 34 is threaded with a second nut 35.

[0028] The inner side of the reinforcing clamp 21 fits tightly against the tower 1. Each reinforcing clamp 21 has two symmetrically distributed first mounting holes, and each first reinforcing block 22 has a second mounting hole. The connecting shafts 27 are all bent shafts. The crossarm body 31 can be positioned through the connecting shafts 27 and the reinforcing clamps 21, making the device easier to assemble and disassemble. The first bolts 23 pass through the first mounting holes of the two reinforcing clamps 21 and the second mounting holes of the two first reinforcing blocks 22. The right side of the first nuts 24 fits tightly against the first reinforcing blocks 22. The two reinforcing clamps 21 can be installed onto the tower 1 through the first bolts 23 and the first nuts 24. The crossarm body 31 has two through-hole third mounting holes, and the mounting clamps 32 have two symmetrically distributed fourth mounting holes. The third reinforcing block 33 is provided with a fifth mounting hole. The second bolt 34 passes through the third mounting hole of the crossarm body 31, the fourth mounting hole of the mounting clamp 32, and the fifth mounting hole of the third reinforcing block 33. The rear side of the second nut 35 is tightly fitted with the crossarm body 31. The mounting clamp 32 and the crossarm body 31 can be locked together by the second bolt 34 and the second nut 35, so that the crossarm body 31 is stably installed on the tower 1. The rear side of the crossarm body 31 is provided with a curved metal plate. The curved metal plate of the crossarm body 31 is tightly fitted with the tower 1. The inner side of the mounting clamp 32 is tightly fitted with the tower 1. The mounting clamp 32 can be used to fix the crossarm body 31. The crossarm body 31 is reinforced by two reinforcing clamps 21.

[0029] Workflow: Before use, check if the device is intact. If intact, it can be installed. In the uninstalled state, the first nut 24 and the first bolt 23 are separated, as are the second nut 35 and the second bolt 34. The distance between the two reinforcing clamps 21 is adjustable. The connecting shaft 27 can rotate relative to the mounting base 25 under the limit of the first rotating pin 26, and the connecting shaft 27 can rotate relative to the crossarm body 31 under the limit of the second rotating pin 29. During installation, workers carry the device to the designated height using climbing equipment, then place the two reinforcing clamps 21 on the left and right sides of the tower 1. The two reinforcing clamps 21 are then installed onto the tower 1 using the first bolt 23 and the first nut 24, thus securing the device. The inner side of the reinforcing clamp 21 fits tightly against the tower 1. The first reinforcing block 22 strengthens the clamp 21, preventing deformation at its bends. The second reinforcing block 28 strengthens the connecting shaft 27, preventing deformation at its bends. Once the clamps 21 are fixed, the distance between them is not adjustable. Therefore, the mounting base 25, connecting shaft 27, and crossarm body 31 cannot rotate relative to each other. The position of the crossarm body 31 is immovable. Workers can then place the mounting clamp 32 onto the rear of the tower 1 and lock it to the crossarm body 31 using the second bolt 34 and the second nut 35, thus securing the bent metal plate of the crossarm body 31 to the tower. 1. By ensuring a tight fit between the inner side of the mounting clamp 32 and the tower 1, the crossarm body 31 can be stably installed onto the tower 1. The third reinforcing block 33 can strengthen the mounting clamp 32 to prevent deformation at the bend. At this time, both connecting shafts 27 are inclined, and the connecting shafts 27, the crossarm body 31, and the tower 1 can form two symmetrical triangular structures, which stably fix the crossarm body 31 to the front side of the tower 1. Insulators, hardware, and other components can be installed on the crossarm body 31. The crossarm body 31 and the components installed on it have a certain weight, and the crossarm body 31 can transmit the gravity to the mounting base 25 through the connecting shafts 27, so that the reinforcing clamp 21 on the left side is subjected to force in the left-right direction. The force applied to the right causes the reinforcing clamp 21 on the right side to be subjected to a force to the left in the left-right direction, thereby making the reinforcing clamp 21 and the tower 1 fit more tightly. This device can be fixed by installing clamp 32 in conjunction with the crossarm body 31. The crossarm body 31 is reinforced by two reinforcing clamps 21. At the same time, the reinforcing clamp 21 and the crossarm body 31 are connected by an adjustable connecting shaft 27. The crossarm body 31 can be positioned by the connecting shaft 27 and the reinforcing clamp 21, making the device easier to install and remove. At the same time, part of the weight of the crossarm body 31 is transmitted to the reinforcing clamp 21 through the connecting shaft 27. This device can achieve reliable fixation of the crossarm body 31 and the tower 1, making the crossarm body 31 more stable and preventing the power transmission line from breaking.

[0030] The foregoing description of specific exemplary embodiments of the present invention is for illustrative and explanatory purposes. These descriptions are not intended to limit the present invention to the precise forms disclosed, and it is obvious that many changes and variations can be made based on the above teachings. Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. The purpose of selecting and describing exemplary embodiments is to explain the specific principles of the present invention and its practical application, so that those skilled in the art, after reading this specification, can make modifications, substitutions, variations, and various choices and changes to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, variations, and choices and changes are within the scope of the claims of the present invention and are protected by patent law.

Claims

1. A power transmission line cross arm, characterized by: Including the tower (1), reinforcing assembly (2) and cross arm assembly (3);The outer side of the tower (1) is provided with reinforcing assembly (2), and the upper side of the reinforcing assembly (2) is provided with cross arm assembly (3); The reinforcing assembly (2) includes reinforcing hoop (21) and first reinforcing block (22), the left and right sides of the tower (1) are provided with reinforcing hoop (21), the back side of the two reinforcing hoops (21) is fixedly connected with two first reinforcing blocks (22), the front and rear sides of the tower (1) are provided with first bolt (23), the left half of the first bolt (23) is threadedly connected with first nut (24), the back side of the two reinforcing hoops (21) is fixedly connected with mounting seat (25), the inner side of the mounting seat (25) is rotatably connected with first rotating pin (26), the front half of the first rotating pin (26) is rotatably connected with connecting shaft (27), the bending portion of the connecting shaft (27) is fixedly connected with second reinforcing block (28), and the inner side of the connecting shaft (27) is rotatably connected with second rotating pin (29); The cross arm assembly (3) includes cross arm body (31) and mounting hoop (32), the front side of the tower (1) is provided with cross arm body (31), the cross arm body (31) and the second rotating pin (29) are rotatably connected, the rear side of the tower (1) is provided with mounting hoop (32), the rear side of the mounting hoop (32) is fixedly connected with two third reinforcing blocks (33), and the left and right sides of the tower (1) are provided with second bolt (34), and the front half of the second bolt (34) is threadedly connected with second nut (35).

2. A power transmission line cross arm according to claim 1, characterized in that The inner side of the reinforcing hoop (21) is closely attached to the tower (1), the reinforcing hoop (21) is provided with two symmetrically distributed first mounting holes, the first reinforcing block (22) is provided with a second mounting hole, and the connecting shaft (27) is a bent shaft.

3. A power transmission line cross arm according to claim 1, characterized in that The first bolt (23) penetrates the first mounting holes of the two reinforcing hoops (21) and the second mounting holes of the two first reinforcing blocks (22), and the right side of the first nut (24) is closely attached to the first reinforcing block (22).

4. A power transmission line cross arm according to claim 1, characterized in that The cross arm body (31) is provided with two third mounting holes penetrating front and rear, the mounting hoop (32) is provided with two symmetrically distributed fourth mounting holes, and the third reinforcing block (33) is provided with a fifth mounting hole.

5. A power transmission line cross arm according to claim 1, characterized in that The second bolt (34) penetrates the third mounting hole of the cross arm body (31), the fourth mounting hole of the mounting hoop (32) and the fifth mounting hole of the third reinforcing block (33), and the rear side of the second nut (35) is closely attached to the cross arm body (31).

6. A power transmission line cross arm according to claim 1, characterized in that The rear side of the cross arm body (31) is provided with a curved metal plate, the curved metal plate is closely attached to the tower (1), and the inner side of the mounting hoop (32) is closely attached to the tower (1).

7. A power line cross arm according to claim 6, characterized in that The inner side of the curved metal plate is also provided with a rubber pad.

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