CN116914674A - Transmission pole rotation balance structure - Google Patents

Abstract

The invention relates to the technical field of transmission rods, in particular to a transmission rod rotation balance structure, which comprises a rotation unit and a clamping unit, wherein the rotation unit comprises a frame assembly and a balance assembly, the frame assembly comprises a first frame and a second frame which are hinged to form an X-shaped structure, the balance assembly is arranged at the moving ends of the first frame and the second frame, the balance assembly is used for hanging a cable, and the clamping unit comprises two extrusion blocks which are respectively arranged between the frame assembly and the transmission rod; the invention is used for solving the problem that the existing connecting structure between the transmission pole and the cross arm is difficult to balance the acting force generated by the shaking of the cable so as to be frequently damaged.

Description

Transmission pole rotation balance structure

Technical Field

The invention relates to the technical field of transmission poles, in particular to a transmission pole rotation balance structure.

Background

The transmission pole is normally provided with a plurality of groups of cross arms, a plurality of insulators are arranged on the cross arms through hanging points, cables are connected with the insulators and used for wiring and supporting the cables, however, the cables are frequently stressed to generate shaking and vibrating phenomena due to the influence of factors such as self gravity of the cables and external environment, and therefore, the connection structure between the cross arms and the transmission pole is continuously affected by gravity and shearing force generated by cable vibration, the stress of the connection structure is concentrated, the service life is shortened, frequent maintenance and replacement are needed, and the operation stability of the line is affected.

Disclosure of Invention

The invention provides a transmission pole rotation balancing structure which can effectively balance the acting force of a cable on a transmission pole and improve the connection stability between the transmission pole and a cross arm in order to solve the problem that the existing connection structure between the transmission pole and the cross arm is difficult to balance the acting force generated by the shaking of the cable so as to be frequently damaged.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a transmission pole rotates balanced structure, includes rotation unit and clamping unit, rotation unit includes frame subassembly and balanced subassembly, frame subassembly is including articulated first frame and the second frame that forms X shape structure, balanced subassembly is installed first frame with the mobile terminal of second frame, balanced subassembly is used for hanging the cable, clamping unit includes two extrusion pieces, two the extrusion piece sets up respectively between frame subassembly and the transmission pole.

Further, the balance assembly comprises two upper arc-shaped cross braces and two lower arc-shaped cross braces, the two upper arc-shaped cross braces are respectively arranged at the top ends of the first frame and the second frame, the two lower arc-shaped cross braces are respectively arranged at the bottom ends of the first frame and the second frame, and the cable load hung on each lower arc-shaped cross brace is larger than the cable load hung on each upper arc-shaped cross brace.

Further, the arc convex surfaces of the two upper arc-shaped cross braces are arranged oppositely, and the arc convex surfaces of the two lower arc-shaped cross braces are arranged oppositely.

Further, a tension frame is arranged between the two upper arc-shaped cross braces, and the tension frame is sleeved on the transmission rod.

Further, the tension bracket comprises a top cover, two rotating seats and two threaded rods, wherein the top cover is connected to the power transmission rod, the two rotating seats are respectively mounted to the two upper arc-shaped cross braces, the two threaded rods are respectively connected between the top cover and the rotating seats, and adjusting nuts are arranged at the end parts, extending out of the upper arc-shaped cross braces, of the threaded rods.

Further, a limiting structure is connected between the two extrusion blocks.

Further, the limit structure comprises two limit plates, slots are respectively arranged on opposite faces of the two limit plates, inserting blocks are respectively arranged on side walls of the extrusion blocks, and the inserting blocks are arranged in the slots, so that the two extrusion blocks are in butt joint with the two limit plates.

Further, the wall surface of the extrusion block facing the frame assembly is an outer extrusion surface, the wall surface of the extrusion block facing the power transmission rod is an inner extrusion surface, and the outer extrusion surface and the inner extrusion surface are both arc-shaped structures.

Further, a wedge block and an anti-skid rubber cushion are arranged on the inner extrusion surface.

Further, a first connecting shaft and a second connecting shaft are respectively arranged on the first frame and the second frame, and the first connecting shaft and the second connecting shaft are respectively abutted to the outer extrusion surface.

Further, an angle synchronizing piece is arranged between the first frame and the second frame.

Further, the angle synchronizing piece comprises two driving rods, the two driving rods are hinged through a pin shaft, the pin shaft is connected to the clamping unit, a guide rail groove used for sliding the pin shaft is formed in the clamping unit, and the free ends of the two driving rods are respectively connected with the first frame and the second frame.

Further, the transmission pole rotation balance structure further comprises a protective cover for protecting the rotation unit and the clamping unit, and the protective cover is sleeved on the transmission pole.

Further, a limiting block for limiting the extrusion block is arranged in the protective cover.

Compared with the prior art, the invention has the following beneficial effects:

according to the transmission pole rotation balance structure provided by the invention, the cable is hung on the balance component of each movable end of the frame component, the X-shaped structure formed by the first frame and the second frame is utilized, the first frame component and the second frame component clamp the transmission pole by adjusting the hanging load of the cable on each balance component, and the two extrusion blocks of the clamping unit in the frame component are driven to clamp the transmission pole, namely, the clamping unit can be driven to extrude and apply force to the transmission pole by utilizing the rotation effect between the first frame and the second frame, the shearing force of the cable on the joint of the transmission pole and the cross arm is relieved, the shearing force is converted into the extrusion force of the clamping unit on the transmission pole, the connection stability between the rotation balance structure and the transmission pole is improved, and the bearing capacity of the device is improved _。

Drawings

FIG. 1 is a schematic view of a rotary balance structure of the present invention mounted on a transmission pole;

FIG. 2 is a schematic diagram of the structure of the invention with the rotary balance structure separated from the protective cover;

FIG. 3 is a schematic view of the assembly structure of the rotating unit and the clamping unit of the present invention;

FIG. 4 is a schematic diagram of the structure of the turning unit of the present invention;

FIG. 5 is a schematic view of an assembled structure of two extrusion blocks according to the present invention;

FIG. 6 is a schematic view of another view of the assembly of two extrusion blocks according to the present invention;

FIG. 7 is a schematic view of a structure in which the extrusion block is provided with a wedge block;

fig. 8 is a schematic structural view of the protective cover in the invention.

Reference numerals: 1-a power transmission pole; 2-a first frame; 201-a first connecting shaft; 3-a second frame; 301-a second connecting shaft; 4-fixing shaft; 5-limiting plates; 501-a slot; 502-a rail groove; 6-driving rod; 7-a shaft pin; 8-upper arc-shaped cross braces; 801-a rotating groove; 9-hanging points; 10-rotating a seat; 11-a threaded rod; 12-top cover; 13-lower arc-shaped cross braces; 14-extruding a block; 141-an outer pressing surface; 142-plug blocks; 143-inner pressing surface; 144-grooves; 15-wedge blocks; 151-arc surface; 152-a first bolt; 16-a protective cover; 161-a second bolt; 162-a through hole; 17-limiting block.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. The invention is described in one of its examples in connection with the following detailed description. Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the invention, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

As shown in fig. 1-2, a transmission pole rotation balance structure is used for absorbing vibration of two side cables of a transmission pole 1, and can convert gravity of the cables at two sides into extrusion force of a device to the transmission pole 1, so that connection stability between the device and the transmission pole 1 is improved while shearing force of a connection part of a cross arm and the transmission pole 1 is reduced, bearing capacity is improved, and then the cables are stabilized, and shaking amplitude of the cables is reduced.

Specifically, as shown in fig. 3-4, the rotation balance structure comprises a rotation unit and a clamping unit, the rotation effect of the rotation unit is utilized to drive the clamping unit to squeeze and apply force to the power transmission pole 1, namely, the rotation unit is used for relieving the shearing force of the cable on the joint of the power transmission pole 1 and the cross arm, and converting the shearing force into the extrusion force of the clamping unit on the power transmission pole 1, so that the connection stability between the rotation balance structure and the power transmission pole 1 is improved, and the bearing effect is improved.

As shown in fig. 2-4, the rotating unit includes a frame assembly and a balancing assembly, the frame assembly includes a first frame 2 and a second frame 3, the first frame 2 and the second frame 3 are hinged to form an X-shaped structure by using two connecting shafts 4, the inner sides of the two connecting shafts 4 are connected with clamping units sleeved on the power transmission pole 1, the balancing assembly is respectively arranged at the moving ends of the first frame 2 and the second frame 3, the balancing assembly is used for hanging cables, balancing the shearing force of the cables on the joint of the power transmission pole 1 and the cross arm, transmitting the shearing force to the clamping units, and converting the shearing force into the extrusion force of the clamping units on the power transmission pole 1.

Specifically, as shown in fig. 2-4, the balancing component comprises two upper arc-shaped cross braces 8 and two lower arc-shaped cross braces 13, wherein the upper ends of the first frame 2 and the second frame 3 are respectively provided with the upper arc-shaped cross braces 8, the two upper arc-shaped cross braces 8 are symmetrically arranged about the clamping unit, preferably, the arc convex parts of the two upper arc-shaped cross braces 8 are oppositely arranged, the circle centers of the two upper arc-shaped cross braces 8 face downwards, the lower ends of the first frame 2 and the second frame 3 are respectively provided with the lower arc-shaped cross braces 13, the two lower arc-shaped cross braces 13 are symmetrically arranged about the clamping unit, and preferably, the arc convex parts of the two lower arc-shaped cross braces 13 are oppositely arranged, so that the circle centers of the two lower arc-shaped cross braces 13 face upwards.

Meanwhile, as shown in fig. 3-4, in this embodiment, a single hanging point 9 is preferably arranged on the upper arc-shaped cross brace 8, multiple hanging points 9 are respectively arranged on the lower arc-shaped cross brace 13, the hanging points 9 are used for hanging cables, the number of cables hanging on the lower arc-shaped cross brace 13 is equivalent to that of cables hanging on the upper arc-shaped cross brace 8, the difference of the hanging amounts of the cables is realized through the difference of the setting numbers of the hanging points 9 on the upper arc-shaped cross brace 8 and the lower arc-shaped cross brace 13, the larger the hanging load difference of the lower arc-shaped cross brace 13 exceeding the upper arc-shaped cross brace 8 is, the more stable the clamping installation between the clamping unit and the power transmission rod 1 is, so that under normal conditions, the bottom ends of the X-shaped structures of the first wire frame 2 and the second wire frame 3 are stressed by larger downward forces, and the top ends of the X-shaped structures of the first wire frame 2 and the second wire frame 3 are driven to be inwards close, and the first frame 2 and the second frame 3 are driven to tightly clamp the internal clamping unit on the power transmission rod 1, and the self-locking force of the power transmission rod 1 is improved.

In this embodiment, as shown in fig. 2-4, the first frame 2 and the second frame 3 are designed into an X-shaped structure, and by using the linkage design of the first frame 2 and the second frame 3, on one hand, the impact on the power transmission pole 1 caused by two side cables of the power transmission pole 1 in the vibration process can be effectively balanced, on the other hand, the rotation balancing structure can be installed in a manner that the rotation is converted into the extrusion of the clamping unit on the power transmission pole 1, so as to improve the bearing effect, and meanwhile, by using the balancing components installed on the first frame 2 and the second frame 3, namely, the upper arc-shaped cross brace 8 and the lower arc-shaped cross brace 13, the shearing force generated by the cable gravity on the power transmission pole 1 is converted into the pressure on the clamping unit, so that the clamping force of the clamping unit on the power transmission pole 1 is improved, and meanwhile, the upper arc-shaped cross brace 8 and the lower arc-shaped cross brace 13 can counter the force applied by the same side cable on the power transmission pole 1 up and down, so that the installation stability is improved, and damage caused by shearing force and impact kinetic energy in the cable vibration process is avoided.

As shown in fig. 2-4, in this embodiment, the first frame 2 and the second frame 3 are preferably made of stainless steel, so as to improve strength and corrosion resistance, the upper and lower ends of the first frame 2 are respectively provided with the first connecting shaft 201, the upper and lower ends of the second frame 3 are respectively provided with the second connecting shaft 301, the first connecting shaft 201 and the second connecting shaft 301 are respectively connected between the two frames and the clamping unit, when the two frames respectively rotate towards the transmission pole 1, the first connecting shaft 201 and the second connecting shaft 301 respectively transmit the force of the first frame 2 and the second frame 3 to the clamping unit, so as to improve the clamping force between the clamping unit and the transmission pole 1, and the first connecting shaft 201 and the second connecting shaft 301 on the same side are symmetrical with the horizontal plane where the axes of the connecting shafts 4 are located, that is, the first connecting shaft 201 at the top end of the first frame 2 and the second connecting shaft 301 at the bottom end of the second frame 3 are symmetrical with the horizontal plane where the axes of the connecting shafts 4 are located, so as to realize synchronous deflection symmetrical extrusion, and enable the first frame 2 and the second frame 3 to be firmly connected with the transmission pole 1 along the first connecting shaft 201 and the second connecting shaft 301 in a radial direction through the deflection process, so that the clamping force can be prevented from being concentrated between the first frame 2 and the second frame 3 and the second frame 1 and the clamping unit.

For the clamping unit, specifically, as shown in fig. 3-5, the clamping unit includes two limiting plates 5 and two extrusion blocks 14, the two limiting plates 5 are used for limiting the insertion of the two extrusion blocks 14, wherein the two limiting plates 5 are oppositely arranged between the first frame 2 and the second frame 3, and two connecting shafts 4 used for connecting the first frame 2 and the second wire frame 3 are respectively connected to the limiting plates 5, the two extrusion blocks 14 are arranged at two sides of the limiting plates 5, inner extrusion surfaces 143 are arranged on the side walls of the two extrusion blocks 4, which are attached to the power transmission rod 1, the two extrusion blocks 14 are respectively provided with an insertion block 142, the two limiting plates 5 are respectively provided with an insertion groove 501, the insertion blocks 142 are inserted into the insertion grooves 501, so that the connection of the two extrusion blocks 14 and the two limiting plates 5 is realized, and through the design of the insertion blocks 142 and the insertion grooves 501, the two extrusion blocks 14 can slide relatively when being extruded, the power transmission rod 1 is held tightly, dislocation of the two extrusion blocks 14 or the power transmission rod 1 is avoided, and the connection stability is improved.

As shown in fig. 3-6, in this embodiment, the opposite surfaces of the two extrusion blocks 14 are preferably provided with outer extrusion surfaces 141, preferably the outer extrusion surfaces 141 are arc-shaped structures, and are used for attaching the first connection shaft 201 and the second connection shaft 301, and the first connection shaft 201 and the second connection shaft 301 respectively apply extrusion forces along the radial direction of the power transmission rod 1 to the outer extrusion surfaces 141, and apply extrusion forces along the axial direction of the power transmission rod 1 to the outer extrusion surfaces 141, and in this embodiment, the arc-shaped structures of the outer extrusion surfaces 141 divide all directions of force into symmetrical extrusion, so that all directions of force can be decomposed and offset in the process of driving the clamping unit to twist by the load of the rotating unit, so that the force applied by the cable to the junction of the power transmission rod 1 and the cross arm is reduced, and the structural stability is improved.

As shown in fig. 6-7, in this embodiment, a groove 144 is provided on an inner extrusion surface 143 of two extrusion blocks 14, preferably, the groove 144 is located on a lower half surface of the inner extrusion surface 143 and is located at a middle position of the lower half surface, a wedge block 15 is inserted into the groove 144, the wedge block 15 is disposed between the extrusion block 14 and the power transmission rod 1, an arc surface 151 is provided on a wall surface of the wedge block 15, which contacts the power transmission rod 1, the bottom of the wedge block 15 is connected to the bottom of the extrusion block 14 through a first bolt 152, preferably, the wedge block 15 is made of stainless steel, so that the structural strength of the extrusion block 14 is improved by using the wedge block 15, and stress deformation of the extrusion block 14 is avoided.

Further, as shown in fig. 2-4, in order to better balance the stress, in this embodiment, it is preferable to install an angle synchronization element on the first frame 2 and the second frame 3, so as to control the upper and lower ends of the X-shaped structure formed by the first frame 2 and the second frame 3 to deflect at the same angle all the time, so that the moment of inertia between the first frame 2 and the second frame 3 can be offset, and the influence of the irregular jitter of the two side cables of the power transmission pole 1 on the installation of the power transmission pole 1 is solved.

Specifically, as shown in fig. 2-4, the angle synchronous member includes two driving rods 6 with arc structures, wherein one ends of the two driving rods 6 are symmetrically installed at the outer sides of the first frame 2 and the second frame 3 respectively, the other ends of the two driving rods 6 are rotationally connected through a shaft pin 7, preferably, a guide rail groove 502 is arranged on the limiting plate 5, the guide rail groove 502 is vertically arranged, the shaft pin 7 is inserted into the guide rail groove 502 of the limiting plate 5, and when the first frame 2 or the second frame 3 rotates, the shaft pin 7 can be driven to move along the guide rail groove 502 through the driving rods 6, so that dynamic balance of vibration deflection is realized.

Further, as shown in fig. 1-4, in order to facilitate adjustment of the internal space of the rotating unit, that is, the space between the two upper arc-shaped cross braces 8, so as to satisfy that the rotating unit drives the clamping unit to apply enough extrusion force to the power transmission rod 1, the connection stability between the rotation balance structure and the power transmission rod 1 is further improved, in this embodiment, the rotation balance structure further includes Zhang Lijia, preferably, a tension bracket is installed at the top of the power transmission rod 1, the tension bracket is used for controlling the space between the two upper arc-shaped cross braces 8, and the space between the two upper arc-shaped cross braces 8 is adjusted according to the tension bracket so as to satisfy enough extrusion force to the clamping unit.

Specifically, as shown in fig. 1-4, it is preferable that a rotating groove 801 is formed on two upper arc-shaped cross braces 8, the two rotating grooves 801 are symmetrically formed, the tension frame comprises a top cover 12, two threaded rods 11 and two rotating seats 10, the top cover 12 is connected to the power transmission rod 1, the two threaded rods 11 are respectively connected between the two rotating seats 10 and the top cover 12, the two rotating seats 10 are respectively rotatably mounted in the rotating groove 801, nuts are mounted at the ends of the threaded rods 11 connected with the rotating seats 10, the length of the threaded rods 11 between the top cover 12 and the two upper arc-shaped cross braces 8 is adjusted by adjusting the nuts, and then the distance between the two upper arc-shaped cross braces 8 is adjusted, so that the force applied by the rotating units to the clamping units is adjusted, and stable extrusion between the extrusion blocks 14 and the power transmission rod 1 is ensured.

Further, as shown in fig. 2 and 8, in order to protect the structure of the rotation balance structure, it is preferable to clamp the protection cover 16 on the rotation balance structure, where the protection cover 16 is provided with a top plate and two side plates, the two side plates are disposed on two sides of the top plate, the top plate and the two side plates form a U-shaped structure, through holes 162 are provided on the top plate, the protection cover 16 is sleeved on the power transmission pole 1 through the through holes 162, second bolts 161 are provided on the two side plates of the protection cover 16, the two side plates of the protection cover 16 are connected under the two limiting plates 5 by the second bolts 161, and at the same time, limiting blocks 17 are provided on the inner wall of the protection cover 16, preferably symmetrically mounted on the inner wall of the top plate, for limiting the top end of the extrusion block 14, so as to prevent the extrusion block 14 from being accidentally pulled out.

Working principle:

as shown in fig. 1-8, in this embodiment, cables are respectively hung on the upper arc-shaped cross brace 8 and the lower arc-shaped cross brace 13, and the load of the lower arc-shaped cross brace 13 exceeds the hanging load of the upper arc-shaped cross brace 8, so that the first frame 2 and the second frame 3 are close to each other, and thus two extrusion blocks 14 of the clamping unit are extruded, then the transmission rod 1 is held tightly by the two extrusion blocks 14, the connection stability between the rotation balance structure and the transmission rod 1 is improved, and meanwhile, the space between the two upper arc-shaped cross braces 8 is adjusted by using a tension bracket, so as to adjust the extrusion force of the rotation unit to the clamping unit;

according to the embodiment, through the linkage design of the first frame 2 and the second frame 3, on one hand, the impact on the power transmission rod 1 caused by the two side cables of the power transmission rod 1 in the vibration process can be effectively balanced, on the other hand, the rotation balance structure can be installed in a mode that rotation is converted into the clamping unit to extrude the power transmission rod 1, the bearing effect is improved, meanwhile, the balance assembly installed on the first frame 2 and the second frame 3, namely, the upper arc-shaped cross brace 8 and the lower arc-shaped cross brace 13 are utilized to convert the shearing force generated by the gravity of cables on the power transmission rod 1 into the pressure on the clamping unit, the clamping force of the clamping unit on the power transmission rod 1 is improved, meanwhile, the upper arc-shaped cross brace 8 and the lower arc-shaped cross brace 13 can reversely offset the force applied by the same side cables on the power transmission rod 1, the installation stability is improved, and the device is prevented from being damaged due to shearing force and impact kinetic energy in the cable vibration process.

In the description of the present invention, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances. In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B meet at the same time.

It is to be understood that the above examples of the present invention are provided by way of illustration only and not by way of limitation of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc., or direct/indirect use in other related technical fields, which are within the spirit and principle of the present invention, should be included in the scope of the claims of the present invention.

Claims (14)

1. The utility model provides a transmission pole rotation balance structure, its characterized in that, including rotating unit and clamping unit, the rotation unit includes frame assembly and balance subassembly, frame assembly is including articulated first frame (2) and the second frame (3) that form X shape structure, balance subassembly installs first frame (2) with the mobile end of second frame (3), balance subassembly is used for hanging the cable, clamping unit includes two extrusion piece (14), two extrusion piece (14) set up respectively between frame assembly and transmission pole (1).

2. The transmission pole rotation balance structure according to claim 1, wherein the balance assembly comprises two upper arc-shaped cross braces (8) and two lower arc-shaped cross braces (13), the two upper arc-shaped cross braces (8) are respectively arranged at the top ends of the first frame (2) and the second frame (3), the two lower arc-shaped cross braces (13) are respectively arranged at the bottom ends of the first frame (2) and the second frame (3), and the cable load hung on each lower arc-shaped cross brace (13) is greater than the cable load hung on each upper arc-shaped cross brace (8).

3. A transmission pole rotation balancing structure according to claim 2, wherein the arcuate convex surfaces of the two upper arcuate cross braces (8) are disposed opposite each other, and the arcuate convex surfaces of the two lower arcuate cross braces (13) are disposed opposite each other.

4. A transmission pole rotation balancing structure according to claim 2, characterized in that a tension bracket is arranged between the two upper arc-shaped cross braces (8), and the tension bracket is sleeved on the transmission pole (1).

5. The transmission pole rotation balance structure according to claim 4, wherein the tension frame comprises a top cover (12), two rotation seats (10) and two threaded rods (11), the top cover (12) is connected to the transmission pole (1), the two rotation seats (10) are respectively mounted to the two upper arc-shaped cross struts (8), the two threaded rods (11) are respectively connected between the top cover (12) and the rotation seats (10), and adjusting nuts are arranged at the ends, extending out of the upper arc-shaped cross struts (8), of the threaded rods (11).

6. A transmission pole rotation balancing structure according to claim 1, characterized in that a limit structure is connected between two of said pressing blocks (14).

7. The transmission pole rotation balance structure according to claim 6, wherein the limit structure comprises two limit plates (5), slots (501) are respectively arranged on opposite surfaces of the two limit plates (5), inserting blocks (142) are respectively arranged on side walls of the two extrusion blocks (14), and the inserting blocks (142) are arranged in the slots (501) so that the two extrusion blocks (14) are butted in the two limit plates (5).

8. The transmission pole rotation balance structure according to claim 7, wherein a wall surface of the extrusion block (14) facing the frame assembly is an outer extrusion surface (141), a wall surface of the extrusion block (14) facing the transmission pole (1) is an inner extrusion surface (143), and both the outer extrusion surface (141) and the inner extrusion surface (143) are arc structures.

9. A transmission pole rotation balancing structure according to claim 8, characterized in that the inner pressing surface (143) is provided with wedge blocks (15) and anti-slip rubber pads.

10. The transmission pole rotation balance structure according to claim 8, wherein the first frame (2) and the second frame (3) are respectively provided with a first connecting shaft (201) and a second connecting shaft (301), and the first connecting shaft (201) and the second connecting shaft (301) are respectively abutted against the outer pressing surface (141).

11. Transmission pole rotation balancing structure according to claim 1, characterized in that an angle synchronization element is provided between the first frame (2) and the second frame (3).

12. A transmission pole rotation balancing structure according to claim 11, characterized in that the angle synchronizing member comprises two driving rods (6), wherein the driving rods (6) are hinged through a pin shaft, the pin shaft is connected to the clamping unit, a guide rail groove (502) for sliding the pin shaft is arranged on the clamping unit, and the free ends of the driving rods (6) are respectively connected with the first frame (2) and the second frame (3).

13. A transmission pole rotation balancing structure according to any one of claims 1-12, further comprising a protective cover (16) for protecting the rotation unit and the clamping unit, the protective cover (16) being arranged over the transmission pole (1).

14. Transmission pole rotation balancing structure according to claim 13, characterized in that a limiting block (17) for limiting the extrusion block (14) is arranged in the protective cover (16).