High-altitude 220kV pole tower with section of 400mm < 2 > in extra-heavy ice area

Abstract

The utility model discloses a high-altitude 220kV extra-heavy ice area 400mm < 2 > section pole tower which comprises a tower base, a tower body and wire picking cross arms arranged on the tower body, a lower ground wire frame is arranged on any side of the lower portion of the tower body, at least two wire picking cross arms are arranged on the middle-upper portion of the tower body, the length of the wire picking cross arm located on the lower portion is larger than that of the wire picking cross arm located on the upper portion, and the length of the wire picking cross arm located on the lower portion is larger than that of the wire picking cross arm located on the lower portion. A take-up cross arm is arranged at the top of the tower body, and an upper ground wire frame is arranged on the tower body below the take-up cross arm and opposite to the lower ground wire frame; a deicing mechanism is arranged on the lower portion of the tower body, the lower end of the deicing mechanism extends downwards to the lower portion of the tower base, and the upper end of the deicing mechanism extends upwards to the tops of the tower body, the take-up cross arm, the lower ground wire frame and the upper ground wire frame. The tower is reasonable in structural layout, stable and reliable in wind resistance and pulling resistance and high in load capacity, the problem that the tower is prone to icing is solved by arranging the deicing mechanism, freezing damage is reduced, the service life of the tower is remarkably prolonged, and safety and reliability of a power transmission line are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to power transmission technical field especially relates to a high altitude 220kV special heavy ice area 400mm 2 Sectional pole tower. BACKGROUND

[0002] The electric tower is an important facility for power transmission, and can support overhead wires and play a protective and supporting role. In winter, when the temperature is below zero, the water vapor in the air condenses into ice, especially in high-altitude areas, a layer of ice often forms on the electric tower, not only increasing the load of the electric tower, but also causing damage to the electric tower body and the electrical components on it, causing line freezing damage or electric tower bending and collapse, which not only increases the burden of power transmission, but also brings great inconvenience to people's life and work.

[0003] Because of the long icing period in high-altitude areas, icing is repeated and continuous. The current manual or unmanned aerial vehicle deicing method for long-distance power lines can only achieve temporary deicing. If continuous deicing is required, maintenance personnel must conduct uninterrupted patrol operations on the power lines, which is affected by the complex and changeable environment in high-altitude areas and winter weather conditions, resulting in high labor intensity, high cost, and low deicing efficiency, and personnel also face the risk of frostbite and ice pick injury. SUMMARY

[0004] The utility model provides a high altitude 220kV special heavy ice area 400mm 2 Sectional pole tower.

[0005] The utility model discloses the following technical scheme realizes: including tower seat, tower body, and set up on the tower body's line cross arm, set up the ground wire frame in the lower part of the tower body any side, set up at least two line cross arms in the upper part of the tower body, and the length of the line cross arm below is greater than the length of the line cross arm above, set up one line cross arm on the top of the tower body, and set up the ground wire frame on the tower body below the line cross arm relative, and the ground wire frame is set up on the tower body above the line cross arm relative.

[0006] The deicing mechanism comprises positioning plates, heat-conducting protective pipes, heat-conducting fins, electric heaters, ice crushers and a power supply mechanism, the positioning plates are arranged on the main materials of the tower base and the tower body, the positioning plates are provided with clamping grooves matched with the heat-conducting protective pipes, the heat-conducting protective pipes are arranged in the clamping grooves of the positioning plates, the lower ends of the heat-conducting protective pipes extend to the lower part of the tower base and the top of the tower body, the heat-conducting fins are arranged on the outer walls of the heat-conducting protective pipes, the electric heaters are arranged in the heat-conducting protective pipes and have the same length as the heat-conducting protective pipes, the electric heaters provide heat energy for the heat-conducting protective pipes and the heat-conducting fins, the ice crushers are arranged on the tower base and the tower body, and the power supply mechanism is arranged on the tower base or the tower body and electrically connected with the electric heaters and the ice crushers.

[0007] The utility model discloses the beneficial effect is: compact pole tower structure, wire stretching cross arm, ground wire frame layout is reasonable, and wind -resisting and anti -tugging performance is stable and reliable, and effectively promotes the load capacity of high altitude area transmission pole tower, and through the setting deicing mechanism solves the problem of pole tower easy icing, increases the load or freezing damage line of pole tower, reduces the ice damage, significantly improves the service life of pole tower, guarantees the safety and reliability of transmission line.

[0008] Secondly, the deicing mechanism can be permanently fixed on the tower base and the tower body, which is beneficial to increase the stability of the equipment, avoid the equipment from falling and solve the problems of poor stability and practicability of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is the structural schematic diagram of the utility model;

[0010] Figure 2 It is the local structural schematic diagram of the tower body;

[0011] Figure 3 It is the structural schematic diagram of the ice crusher and the electric heater on the tower base or the tower body;

[0012] Figure 4 It is the structural schematic diagram of the positioning plate and the electric heater on the tower base or the tower body;

[0013] Figure 5 It is the overhead structural schematic diagram of the positioning plate and the electric heater on the tower base or the tower body;

[0014] Figure 6 It is the principle block diagram of the power supply mechanism;

[0015] The figure label: 1~tower base, 2~tower body, 3~wire cross arm, 4~lower ground wire support, 5~upper ground wire support, 6~positioning plate, 7~card slot, 8~heat-conducting protective tube, 9~heat-conducting fin, 10~electric heater, 11~ice crusher, 12~protective cylinder, 13~power supply mechanism, 14~battery, 15~solar charging plate, 16~control device, 17~miniature camera, 18~temperature sensor, 19~auxiliary ice crusher, 20~support. DETAILED DESCRIPTION

[0016] In order for those skilled in the art to better understand the technical scheme of the present application, the specific embodiments thereof will be described in detail below with reference to the accompanying drawings.

[0017] As Figures 1-6 shown in the high altitude 220kV heavy ice area 400mm 2 Sectional tower, including tower base 1, tower body 2, and setting up wire cross arm 3 on the tower body 2, setting up lower ground wire support 4 on either side of the lower part of the tower body 2, setting up at least two wire cross arms 3 in the upper part of the tower body 2, and the length of the lower wire cross arm 3 is greater than that of the upper wire cross arm 3, setting up one wire cross arm 3 on the top of the tower body 2, and setting up upper ground wire support 5 on the tower body 2 below the wire cross arm 3 relative to the lower ground wire support 4, effectively protecting the power transmission conductor through the layout structure; The deicing mechanism is provided at the lower part of the tower body 2, the lower end of the deicing mechanism extends downward to the lower part of the tower base 1, and the upper end extends upward to the top of the tower body 2, the wire cross arm 3, the lower ground wire support 4, and the upper ground wire support 5.

[0018] The deicing mechanism comprises positioning plates 6, heat-conducting protective pipes 8, heat-conducting fins 9, electric heaters 10, ice crushers 11 and power supply mechanisms 13, the positioning plates 6 are provided on each main material of the tower base 1 and the tower body 2, and a clamping groove 7 matched with the heat-conducting protective pipe 8 is formed in each positioning plate 6, the heat-conducting protective pipe 8 is arranged in the clamping groove 7 of the positioning plate 6, the lower end of the heat-conducting protective pipe 8 extends downward to the lower part of the tower base 1 and upward to the top of the tower body 2, a flange is arranged on the outer wall of the heat-conducting protective pipe 8, the top of the clamping groove 7 is supported on the lower surface of the flange to prevent the heat-conducting protective pipe 8 from falling down, the heat-conducting fins 9 are arranged on the outer wall of the heat-conducting protective pipe 8, the electric heater 10 is arranged in the heat-conducting protective pipe 8 and has the same length as the heat-conducting protective pipe 8, and the electric heater 10 provides heat energy to the heat-conducting protective pipe 8 and the heat-conducting fins 9, and the heat-conducting fins 9 transmit the heat energy to each main material of the tower base 1 and the tower body 2 to melt the ice blocks by using the heat energy, the ice crushers 11 are arranged on the tower base 1 and the tower body 2 to cooperate with the electric heater 10 to remove the ice, the ice blocks on the tower base 1 and the tower body 2 are heated by the electric heater 10 to reduce the adhesion of the ice blocks to the tower, and each ice crusher 11 continuously impacts each main material of the tower base 1 and the tower body 2 to generate vibration in a regular or irregular manner, so that the ice blocks quickly fall off after being vibrated to complete the deicing operation, and the power supply mechanism 13 is arranged on the tower base 1 or the tower body 2 and is electrically connected with the electric heater 10 and the ice crusher 11.

[0019] The positioning plate 6 is welded and fixed on the inner side of the main material and has a triangular plate or trapezoidal plate structure matched with the shape of the inner side of the main material (the main material of the tower base 1 and the tower body 2 is usually an angle steel), and at least one clamping groove 7 is arranged on the positioning plate 6, and two clamping grooves 7 can be additionally arranged according to the actual situation.

[0020] The heat-conducting fins 9 are arranged in a triangular plate or trapezoidal plate structure matched with the shape of the inner side of the wire stretching cross arm 3, the lower ground wire support 4 and the upper ground wire support 5 (the wire stretching cross arm 3, the lower ground wire support 4 and the upper ground wire support 5 are usually made of angle steel like the tower body), so that the heat-conducting fins 9 are in full contact with the main material to ensure heat transmission and ice melting.

[0021] The ice crusher 11 is a hydraulic or pneumatic cylinder, and a plurality of ice crushers 11 are arranged on each main material of the tower base 1 and the tower body 2 in a uniform or non-uniform manner through the protection cylinder 12, the protection cylinder 12 is arranged outside the ice crusher 11 to avoid freezing of the hydraulic or pneumatic cylinder piston rod, so that the piston rod cannot be extended out of the cylinder body, and on the other hand, antifreeze is added to the hydraulic fluid to prevent the hydraulic fluid from freezing.

[0022] The auxiliary ice crusher 19 is electrically connected to the power supply mechanism 13, and is suspended on the tower base 1 and the tower body 2 by the support 20, that is, is in the tower base 1 and the tower body 2. The auxiliary ice crusher 19 is a vibration motor or a hydraulic or pneumatic cylinder. The vibration generated by the auxiliary ice crusher 19 is transmitted to the tower base 1 and the tower body 2 through the support 20, so as to shake off the ice blocks on the tower base 1 and the tower body 2.

[0023] The power supply mechanism 13 includes a battery 14, a voltage stabilizer, a solar charging panel 15, and a control device 16. The battery 14, the voltage stabilizer, and the control device 16 are integrally arranged in a protective box. The voltage stabilizer is used for controlling the voltage stability and protection of the power supply mechanism 13, ensuring the reliability of the power supply. The three are electrically connected. The protective box is arranged on the tower base 1 or the tower body 2 by the support 20. A temperature insulation layer is arranged on the outer wall or the inner wall of the protective box. The solar charging panel 15 is arranged on the upper part of the tower base 1 or the lower part of the tower body 2 by the support 20. In order to ensure the power generation effect of the solar charging panel 15, one or more solar charging panels 15 can be selected and installed according to actual needs. The power generated by the solar charging panel 15 is stored in the battery 14 for standby use.

[0024] The control device 16 is a single-chip microcomputer or a programmable logic controller (PLC). A communication module is integrally arranged on the control device 16. The communication module provides information communication and transmits control commands to the control device 16 to start the electric heater 10 and the ice crusher 11 to perform ice removal operation, so as to facilitate remote control and information transmission of the ice removal mechanism.

[0025] The micro camera 17 and the temperature sensor 18 are signal-connected to the control device 16. The micro camera 17 is arranged on the upper part of the tower base 1 or the lower part of the tower body 2. At least one temperature sensor 18 is arranged on the tower base 1 and the tower body 2, respectively. The micro camera 17 shoots the ice accumulation of the tower base 1 or the tower body 2. The temperature sensor 18 monitors the environmental temperature. The signals are transmitted to the remote control center through the communication module on the control device 16, so as to facilitate remote supervision of the staff and real-time control of the ice accumulation of the tower, so as to facilitate timely ice removal operation and reduce ice loss.

[0026] The positioning plate 6 is also arranged on the cross arm 3, the lower ground wire support 4, and the upper ground wire support 5. The heat-conducting protection pipe 8 is arranged in the clamping groove 7 of the positioning plate 6. The heat-conducting protection pipe 8 is in communication with the heat-conducting protection pipe 8 on the tower body 2, so that the electric heaters 10 in the two heat-conducting protection pipes 8 are connected as a whole.

[0027] The electric heater 10 is an electric heating wire. The battery 14 of the power supply mechanism 13 provides working power for the electric heater 10. The control device 16 controls the working states of the electric heater 10, the ice crusher 11, the auxiliary ice crusher 19, and the battery 14.

Claims

1. A high-altitude 220 kV extra-heavy ice zone 400 mm 2 Sectional tower, comprising a tower base (1), a tower body (2), and a wire-charging cross arm (3) arranged on the tower body (2), characterized in that: The lower ground wire bracket (4) is arranged at any side of the lower part of the tower body (2), at least two wire arranging cross arms (3) are arranged at the upper part of the tower body (2), the length of the wire arranging cross arm (3) at the lower part is greater than that of the wire arranging cross arm (3) at the upper part, a wire arranging cross arm (3) is arranged at the top of the tower body (2), and the upper ground wire bracket (5) is arranged on the tower body (2) below the wire arranging cross arm (3) and opposite to the lower ground wire bracket (4); the deicing mechanism is arranged at the lower part of the tower body (2), the lower end of the deicing mechanism extends to the lower part of the tower base (1), and the upper end extends to the top of the tower body (2), the wire arranging cross arm (3), the lower ground wire bracket (4) and the upper ground wire bracket (5).

2. The high altitude 220 kV extra-heavy ice zone 400 mm 2 Sectional tower, characterized in that: The deicing mechanism comprises positioning plates (6), heat-conducting protective pipes (8), heat-conducting fins (9), electric heaters (10), ice crushers (11) and power supply mechanisms (13), the positioning plates (6) are arranged on the tower base (1) and the tower body (2) in a fixed manner from bottom to top, the positioning plates (6) are provided with clamping grooves (7) matched with the heat-conducting protective pipes (8), the heat-conducting protective pipes (8) are arranged in the clamping grooves (7) of the positioning plates (6), the lower end of the heat-conducting protective pipe (8) extends to the lower part of the tower base (1), and the upper end extends to the top of the tower body (2), the heat-conducting fins (9) are arranged on the outer wall of the heat-conducting protective pipe (8), the electric heater (10) is arranged in the heat-conducting protective pipe (8) and has the same length as the heat-conducting protective pipe (8), the electric heater (10) provides heat energy for the heat-conducting protective pipe (8) and the heat-conducting fins (9), the ice crushers (11) are arranged on the tower base (1) and the tower body (2), and the power supply mechanism (13) is arranged on the tower base (1) or the tower body (2) and electrically connected with the electric heater (10) and the ice crusher (11).

3. The high altitude 220 kV extra-heavy ice zone 400 mm 2 Sectional tower, characterized in that: The positioning plates (6) are arranged on the inner side of the main materials and have a triangular plate or trapezoidal plate structure matched with the shape of the inner side of the main materials.

4. The high altitude 220 kV extra-heavy ice zone 400 mm 2 Sectional tower, characterized in that: The ice crushers (11) are hydraulic or pneumatic cylinders, and a plurality of ice crushers (11) are arranged on the main materials of the tower base (1) and the tower body (2) in a uniform or non-uniform manner through protective cylinders (12).

5. The high altitude 220 kV extra-heavy ice zone 400 mm according to claim 1. 2 Sectional tower, characterized in that: A plurality of auxiliary ice crushers (19) are electrically connected with the power supply mechanism (13), and the auxiliary ice crushers (19) are arranged on the tower base (1) and the tower body (2) in a suspended manner through supports (20).

6. The high altitude 220 kV extra-heavy ice zone 400 mm 2 Sectional tower, characterized in that: The power supply mechanism (13) comprises a storage battery (14), a voltage stabilizer, a solar charging plate (15) and a control device (16), the storage battery (14), the voltage stabilizer and the control device (16) are arranged in an integrated manner in a protective box, are electrically connected, and the protective box is arranged on the tower base (1) or the tower body (2) through the support (20), and the solar charging plate (15) is arranged on the upper part of the tower base (1) or the lower part of the tower body (2) through the support (20).

7. The high altitude 220 kV extra-heavy ice zone 400 mm according to claim 6. 2 Sectional tower, characterized in that: The control device (16) is a single-chip microcomputer or a PLC programmable logic controller, and a communication module is arranged on the control device (16) in an integrated manner.

8. The high altitude 220 kV extra-heavy ice zone 400 mm according to claim 1. 2 Sectional tower, characterized in that: Also include miniature camera (17) and temperature sensor (18), miniature camera (17) and temperature sensor (18) signal connection control device (16), the miniature camera (17) is located on the upper part of the tower seat (1) or the lower part of the tower body (2), the temperature sensor (18) is provided with at least one on the tower seat (1) and the tower body (2) respectively.

9. The high altitude 220 kV extra-heavy ice zone 400 mm according to claim 1. 2 Sectional tower, characterized in that: The positioning plate (6) is also provided on the thread tensioning cross arm (3), the lower ground wire support (4) and the upper ground wire support (5).

10. The high altitude 220 kV extra-heavy ice zone 400 mm according to claim 5. 2 Sectional tower, characterized in that: The auxiliary ice crusher (19) is a vibrating motor.

Images