CN110067434B

CN110067434B - High-voltage power transmission tower with deformation correction function

Info

Publication number: CN110067434B
Application number: CN201910274846.7A
Authority: CN
Inventors: 邵振华; 林文忠; 张祖昌
Original assignee: Wenling Yintu Shoes Co Ltd
Current assignee: Wenling Yintu Shoes Co., Ltd
Priority date: 2019-04-08
Filing date: 2019-04-08
Publication date: 2020-07-31
Anticipated expiration: 2039-04-08
Also published as: CN110067434A

Abstract

The invention relates to the technical field of power transmission towers, in particular to a high-voltage power transmission tower with a deformation correction function, which comprises a tower body and a support frame, wherein the support frame is symmetrically fixed at the left side and the right side of the tower body; the invention can reduce the irreversible deformation generated on the electric tower support frame, reduces the risk of electric tower fracture, and is suitable for further popularization and application.

Description

High-voltage power transmission tower with deformation correction function

Technical Field

The invention relates to the technical field of power transmission towers, in particular to a high-voltage power transmission tower with a deformation correction function.

Background

The electric tower is a tower-shaped building with a trapezoid or triangle shape, the height of the tower-shaped building is usually 25-40 meters, and the tower-shaped building is of a steel frame structure. The high-voltage power tower is an important mode of power supply transmission in China, a large number of high-voltage power towers are adopted in the West-east power transmission project, and with the development of economy, the stable development of national power utilities has a direct relation with the economic development of China. In recent years, in power transmission line accident statistics, high-voltage towers are prone to toppling after being subjected to external forces such as earthquakes and strong winds, and due to the fact that high-voltage towers are generally high and heavy, not only is large-area power interruption prone to happen, but also personal injuries and deaths can be caused, and great dangerousness is achieved.

Most of the existing electric towers are of steel frame structures, the toughness is poor, and when cables are fixed, the supporting frame is stressed greatly and is easy to deform; especially in winter, when the frost condenses on the cable, greatly increased the atress of electricity tower support frame, made electricity tower support frame department take place irreversible deformation easily, along with this kind of irreversible deformation's continuous accumulation leads to easily that electricity tower support frame department takes place the fracture.

Disclosure of Invention

In order to solve the problems, the invention discloses a high-voltage power transmission tower with a deformation correction function, which can effectively reduce irreversible deformation generated on a support frame and reduce the risk of breakage of the power transmission tower.

The specific technical scheme is as follows:

the utility model provides a high-voltage power transmission tower with deformation correction function, includes tower body and support frame, the support frame symmetry set up in the left and right sides of tower body, the top of support frame all is provided with a set of directive wheel, the directive wheel is fixed in through the fixed plate on the tower body, the middle part of support frame is connected with the dead lever respectively, all twine first tractive rope on the dead lever, just the end of first tractive rope is fixed in on the dead lever, first tractive rope is walked around the support frame top the directive wheel block in on the directive wheel, the other end of first tractive rope links to each other with the gear box, the gear box includes box and gear train, the top and the bottom of box are provided with the through-hole respectively just the box is fixed in on the inner wall of tower body, the internally mounted of box has the gear train, first tractive rope passes the through-hole at box top and clockwise twine in gear train top gear train The end of the first traction rope is fixed on the rotating shaft of the gear set uppermost gear, a second traction rope is clockwise wound on the rotating shaft of the gear set lowermost gear, the lower end of the second traction rope passes through the through hole at the bottom of the box body, the upper end of the second traction rope is fixed on the rotating shaft of the gear set lowermost gear, the lower end of the second traction rope is fixedly connected with a bolt, the lower end of the bolt is in threaded connection with a memory alloy, the memory alloy is fixed in a fixed block, the bottom of the fixed block is fixedly connected with a fixed plate, the fixed plate is welded on the inner wall of the tower body, the tail end of the support frame is fixed with a cable, the bottom of the fixed plate is respectively provided with a power distribution cabinet and a controller, and the bottom of each support frame is respectively provided with a level sensor, all be provided with insulating electric heating plate in the fixed block, the controller respectively with switch board, level sensor and insulating electric heating plate electric connection.

Preferably, the cable is fixed to the end of the support frame by an insulating ceramic.

Preferably, the top of the bolt is rotatably connected with a lifting lug, and the second traction rope is connected with the bolt through the lifting lug.

Preferably, the first pulling rope and the second pulling rope are both woven by a plurality of steel cables.

Preferably, the first pulling rope and the second pulling rope are coated with antirust coatings.

Preferably, the included angle between the inclined section of the first pulling rope and the vertical direction is 30-45 degrees.

The invention has the beneficial effects that:

compared with the prior art, the invention can reduce the irreversible deformation generated on the electric tower support frame, reduce the risk of electric tower fracture, and is suitable for further popularization and use. When frost is condensed on the cable in winter, the support frame is stressed to be increased and is subjected to downward bending deformation at the same time, the support frame bends to stretch the memory alloy through the first traction rope, the gear box, the second traction rope and the bolt, after the temperature rises, the stretched memory alloy can be contracted and recovered, the memory alloy is contracted to pull the second traction rope downwards through the bolt, the support frame is pulled upwards through the first traction rope after the tension on the second traction rope is amplified through the gear set, the irreversible deformation generated on the support frame is corrected, and the risk that the support frame is fractured due to the accumulation of the irreversible deformation on the support frame is reduced; when level sensor detected the gradient of support frame and was greater than the setting value, the controller can control the switch board and supply power to insulating electrical heating board, can heat the fixed block after insulating electrical heating board circular telegram, and memory alloy can contract after the fixed block heating, and memory alloy contraction can upwards pull the support frame through bolt, second tractive rope, gear box, first tractive rope, makes it keep the level, has reduced the cracked risk of support frame.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1: the invention has a structure schematic diagram;

FIG. 2: the sectional view of the gear box of the invention;

FIG. 3: the invention relates to a sectional view of a fixed block;

FIG. 4: the angle of inclination of the first pulling rope in the present invention is shown schematically.

Description of reference numerals:

1. the tower body, 2, a support frame, 3, a steering wheel, 4, a fixing rod, 5, a first traction rope, 6, a gear box, 7, a second traction rope, 8, a bolt, 9, a memory alloy, 10, a fixing block, 11, a fixing plate, 12, a power distribution cabinet, 13, a controller, 14, a horizontal sensor, 15, an insulating electric heating plate, 16, a cable, 601, a box body, 602 and a gear set.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 in conjunction with fig. 2-4: a high-voltage power transmission tower with a deformation correction function comprises a tower body 1 and a support frame 2, wherein the support frame 2 is symmetrically arranged at the left side and the right side of the tower body 1, a group of steering wheels 3 are arranged above the support frame 2, the steering wheels 3 are fixed on the tower body 1 through fixing plates, the middle part of the support frame 2 is respectively connected with a fixing rod 4, a first traction rope 5 is wound on the fixing rods 4, the end of the first traction rope 5 is fixed on the fixing rod 4, the first traction rope 5 bypasses the steering wheels 3 above the support frame 2 and is clamped on the steering wheels 3, the other end of the first traction rope 5 is connected with a gear box 6, the gear box 6 comprises a box body 601 and a gear set 602, the top and the bottom of the box body 601 are respectively provided with a through hole, the box body 601 is fixed on the inner wall of the tower body 1, the gear set 602 is arranged inside the box body 601, the first traction rope 5 passes through the through hole at the top, the end of the first pulling rope 5 is fixed on the rotating shaft of the uppermost gear of the gear set 602, the rotating shaft of the lowermost gear of the gear set 602 is clockwise wound with the second pulling rope 7, the lower end of the second pulling rope 7 passes through the through hole at the bottom of the box body 601, the upper end of the second pulling rope 7 is fixed on the rotating shaft of the lowermost gear of the gear set 602, the lower end of the second pulling rope 7 is fixedly connected with a bolt 8, the lower end of the bolt 8 is in threaded connection with a memory alloy 9, the memory alloy 9 is fixed in a fixed block 10, the bottom of the fixed block 10 is fixedly connected with a fixed plate 11, the fixed plate 11 is welded on the inner wall of the tower body 1, the tail end of the support frame 2 is fixed with a cable 16, the bottom of the lowermost fixed plate 11 is respectively provided with a power distribution cabinet 12 and a controller 13, the bottom of each support frame 2 is respectively provided with, the controller 13 is electrically connected with the power distribution cabinet 12, the level sensor 14 and the insulated electric heating plate 15 respectively.

Further, the cable 16 is fixed to the end of the support frame 2 through an insulating ceramic.

Further, the top of the bolt 8 is rotatably connected with a lifting lug, and the second traction rope 7 is connected with the bolt 8 through the lifting lug; the bolt 8 is prevented from driving the second traction rope 7 to be screwed when being screwed into the memory alloy 9, and the resistance of the bolt 8 when being screwed into the memory alloy 9 is reduced.

Further, the first pulling rope 5 and the second pulling rope 7 are woven by a plurality of steel cables; the first pulling rope 5 and the second pulling rope 7 have high strength.

Further, the first drawing rope 5 and the second drawing rope 7 are coated with antirust coatings; the risk of corrosion of the first and

second pulling cables

5, 7 is reduced.

Further, the included angle between the inclined section of the first pulling rope 5 and the vertical direction is 30-45 degrees.

The working principle is as follows:

when frost is condensed on the cable 16 in winter, the support frame 2 is stressed to be enlarged and is deformed in a downward bending manner, the support frame 2 is bent to pass through the first traction rope 5, the gear box 6, the second traction rope 7 and the bolt 8 to stretch the memory alloy 9, after the temperature rises, the stretched memory alloy 9 can be contracted and recovered (by utilizing the characteristic that the memory alloy can be contracted and recovered after the temperature rises), the memory alloy 9 is contracted to pass through the bolt 8 to pull the second traction rope 7 downward, the tension on the second traction rope 7 is amplified through the gear set 602 and then is pulled upward through the first traction rope 5, the irreversible deformation generated on the support frame 2 is corrected, and the risk that the support frame 2 is broken due to the accumulation of the irreversible deformation on the support frame 2 is reduced.

When level sensor 14 detected the gradient of support frame 2 and is greater than the setting value, controller 13 can control switch board 12 and supply power to insulating electric heating board 15, can heat fixed block 10 after insulating electric heating board 15 circular telegram, memory alloy 9 can contract after the fixed block 10 heats, memory alloy 9 contracts and passes through bolt 8, second tractive rope 7, gear box 6, first tractive rope 5 can upwards pull support frame 2, make it keep the level, the cracked risk of support frame 2 has been reduced.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-voltage power transmission tower with a deformation correction function comprises a tower body (1) and a support frame (2), and is characterized in that the support frame (2) is symmetrically arranged at the left side and the right side of the tower body (1), a group of steering wheels (3) are arranged above the support frame (2), the steering wheels (3) are fixed on the tower body (1) through fixing plates, the middle part of the support frame (2) is respectively connected with fixing rods (4), first traction ropes (5) are wound on the fixing rods (4), the ends of the first traction ropes (5) are fixed on the fixing rods (4), the first traction ropes (5) bypass the steering wheels (3) above the support frame (2) and are clamped on the steering wheels (3), and the other ends of the first traction ropes (5) are connected with a gear box (6), the gear box (6) comprises a box body (601) and a gear set (602), the top and the bottom of the box body (601) are respectively provided with a through hole, the box body (601) is fixed on the inner wall of the tower body (1), the inside of the box body (601) is provided with the gear set (602), the first traction rope (5) penetrates through the through hole at the top of the box body (601) and is clockwise wound on the rotating shaft of the gear set (602) uppermost gear, the end of the first traction rope (5) is fixed on the rotating shaft of the gear set (602) uppermost gear, the rotating shaft of the gear set (602) lowermost gear is clockwise wound with a second traction rope (7), the lower end of the second traction rope (7) penetrates through the through hole at the bottom of the box body (601), and the upper end of the second traction rope (7) is fixed on the rotating shaft of the gear set (602) lowermost gear, the lower end of the second traction rope (7) is fixedly connected with a bolt (8), the lower end of the bolt (8) is in threaded connection with the memory alloy (9), the memory alloy (9) is fixed in a fixed block (10), the bottom of the fixed block (10) is fixedly connected with a fixed plate (11), the fixed plate (11) is welded on the inner wall of the tower body (1), the tail ends of the support frames (2) are fixed with cables (16), the bottom of the fixed plate (11) at the lowest part is respectively provided with a power distribution cabinet (12) and a controller (13), the bottom of each support frame (2) is respectively provided with a horizontal sensor (14), all be provided with insulating electric heating board (15) in fixed block (10), controller (13) respectively with switch board (12), level sensor (14) and insulating electric heating board (15) electric connection.

2. The high-voltage transmission tower with a distortion correction function according to claim 1, characterized in that: the cable (16) is fixed at the tail end of the support frame (2) through insulating ceramics.

3. The high-voltage transmission tower with a distortion correction function according to claim 1, characterized in that: the top of the bolt (8) is rotatably connected with a lifting lug, and the second traction rope (7) is connected with the bolt (8) through the lifting lug.

4. The high-voltage transmission tower with a distortion correction function according to claim 1, characterized in that: the first traction rope (5) and the second traction rope (7) are woven by a plurality of steel cables.

5. The high-voltage transmission tower with a distortion correction function according to any one of claims 1 to 4, characterized in that: and the first traction rope (5) and the second traction rope (7) are coated with antirust coatings.

6. The high-voltage transmission tower with a distortion correction function according to claim 1, characterized in that: the included angle formed by the inclined section of the first traction rope (5) and the vertical direction is 30-45 degrees.