CN205591628U - A iron tower for high tension transmission line - Google Patents

Abstract

The utility model discloses an iron tower used for high-voltage transmission lines, which comprises a base and a first main tower and a second main tower arranged above the base, and on the first main tower and the second main tower Crossbeams are respectively provided, and the crossbeams are at least 2 arranged along the height direction of the first main tower and the second main tower, and one end of the crossbeams is respectively hinged on the first main tower and the second main tower. On the second main tower, the other end of the crossbeam is suspended to form a free end, and a rotating shaft is respectively arranged on the first main tower and the second main tower above the crossbeam, and a ratchet is arranged on the rotating shaft. The first main tower and the second main tower are respectively provided with ratchets matched with the ratchet. The utility model adopts the method of hinged beams on the first main tower and the second main tower, The position of the free end of the crossbeam can be adjusted as required, so that the crossbeam maintains a constant angle, thereby effectively ensuring that the wire is at a constant position.

Description

An iron tower for high-voltage transmission lines

technical field

The utility model relates to an iron tower used for high-voltage transmission lines.

Background technique

High-voltage transmission technology can realize long-distance transmission of electric energy, and has the characteristics of high reliability, strong flexibility and good economy. The existing high-voltage iron tower has a single structure, and the electrical clearance is inconvenient to control.

Contents of the invention

The purpose of this utility model is to provide an iron tower for high-voltage transmission lines, which can improve the problems existing in the prior art, and can adjust the free end of the beam according to the needs by hinged beams on the first main tower and the second main tower. Position, so that the beam maintains a constant angle, which can effectively ensure that the wire is in a constant position.

The utility model is realized through the following technical solutions:

An iron tower for high-voltage transmission lines, comprising a base and a first main tower and a second main tower arranged above the base, beams are respectively arranged on the first main tower and the second main tower, The crossbeams are at least 2 arranged along the height direction of the first main tower and the second main tower, and one end of the crossbeams is respectively hinged on the first main tower and the second main tower , the other end of the crossbeam is suspended to form a free end, a rotating shaft is respectively arranged on the first main tower and the second main tower above the crossbeam, a ratchet is arranged on the rotating shaft, and a ratchet is arranged on the first main tower above the crossbeam. The main tower and the second main tower are respectively provided with ratchets matched with the ratchet, a winding wheel is arranged on the rotating shaft, and a steel wire is arranged on the winding wheel, so One end of the steel wire is wound on the reel, and the other end of the steel wire is fixedly connected to the free end of the beam, respectively on the first main tower and the second main tower. A driving motor is provided, and a driving gear is arranged on the driving motor, and the driving gear meshes with the driven gear arranged on the rotating shaft. High-strength springs are arranged on the opposite end faces of the two main towers, one end of the high-strength spring is fixedly connected to the first main tower, and the other end of the high-strength spring is fixedly connected to the second main tower. A high-strength spring is arranged between the first main tower and the lower end surface of the beam, and a high-strength spring is arranged between the second main tower and the lower end surface of the beam.

Further, in order to better realize the utility model, supports are respectively provided at the lower ends of the first main tower and the second main tower, and two positioning grooves are provided on the upper end surface of the base, A positioning post is arranged between the two positioning slots, the two supports are respectively located inside the two positioning slots, a high-strength spring is arranged between the two positioning slots, and the The high-strength spring runs through the positioning column, and the two ends of the high-strength spring are respectively fixedly connected to the opposite end surfaces of the two supports.

Further, in order to better realize the utility model, high-strength springs are respectively arranged between the end surface of the positioning groove on the side away from the positioning column and the support.

Further, in order to better realize the utility model, an end cover is arranged above the positioning column.

Further, in order to better realize the utility model, two symmetrically arranged through holes are arranged on the base, and steel wire ropes are arranged in the through holes, and the ends of the steel wire ropes away from the base are respectively It is fixedly connected to the end faces of the first main tower and the second main tower on the side away from the beam.

Further, in order to better realize the utility model, an external beam is arranged on the end face of the first main tower and the second main tower on the side away from the beam, and the external beam A fixed shaft is arranged on the fixed shaft, a pulley is arranged on the fixed shaft, a lifting platform is arranged on the base, a steel cable is arranged above the lifting platform, and the upper end of the steel cable is hooked on said pulley.

Further, in order to better realize the utility model, a winding wheel is arranged on the upper end surface of the base, and one end of the steel wire cable is wound on the winding wheel, and on the upper end surface of the base A motor for driving the reel to rotate is provided.

Furthermore, in order to better realize the utility model, connecting beams are arranged on the opposite end faces of the first main tower and the second main tower.

Further, in order to better realize the utility model, the middle part of the connecting beam is arched upwards, and the two ends of the connecting beam are respectively fixedly connected to the first main tower and the second main tower .

Compared with the prior art, the utility model has the following beneficial effects:

The utility model can use the drive motor to adjust the position of the free end of the beam by hinged the beam on the first main tower and the second main tower. Instability occurs when the line is erected at high altitude. Since a high-strength spring is arranged between the beam and the first main tower or the second main tower on the same side, after the beam is installed and fixed, it is subjected to the tension of the steel wire above and the high-strength spring below. The elastic force helps to keep it stable and facilitates keeping the distance between the conductors constant when installing them under the beam.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following drawings will be briefly introduced in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention. Therefore, it should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained according to these drawings without creative work.

Figure 1 is a schematic diagram of the overall structure of the utility model.

Among them: 1. The first main tower, 2. The second main tower, 3. Base, 4. Positioning groove, 5. Positioning column, 6. End cover, 7. High-strength spring, 8. Steel wire rope, 9. Beam, 10. Rotating shaft, 11. driving gear, 12. driven gear, 13. driving motor, 14. lifting table, 15. external beam, 16. pulley, 17. wire cable, 18. winding wheel, 19. connecting beam.

detailed description

The utility model will be further described in detail below in conjunction with specific examples, but the implementation of the utility model is not limited thereto.

Example 1:

As shown in Figure 1, a kind of iron tower for high-voltage transmission line, comprises base and the first main tower 1 and the second main tower 2 that are arranged on the base above, in the first main tower and the second main tower Crossbeams 14 are respectively arranged on the main tower, and the crossbeams are at least 2 arranged along the height direction of the first main tower and the second main tower, and one end of the crossbeams is respectively hinged on the first main tower. On the first main tower and the second main tower, the other end of the crossbeam is suspended to form a free end, and the first main tower and the second main tower above the crossbeam are respectively provided with a rotating shaft 10, and on the described rotating shaft A ratchet is provided, pawls matched with the ratchet are respectively provided on the first main tower and the second main tower, and a winding wheel 18 is provided on the rotating shaft. A steel wire is provided on the winding wheel, one end of the steel wire is wound on the winding wheel, and the other end of the steel wire is fixedly connected to the free end of the beam. The tower and the second main tower are respectively provided with a driving motor 13, and a driving gear 11 is arranged on the driving motor, and the driving gear meshes with the driven gear 12 arranged on the rotating shaft A high-strength spring 7 is arranged on the opposite end faces of the first main tower and the second main tower, and one end of the high-strength spring is fixedly connected to the first main tower, and the high-strength spring The other end is fixedly connected to the second main tower, a high-strength spring is arranged between the first main tower and the lower end surface of the beam, and a spring is arranged between the second main tower and the lower end surface of the beam. High strength spring.

In this embodiment, the wire is installed under the beam, and the driving motor is started to drive the driving gear to rotate, the driving gear drives the driven gear to rotate, the driven gear drives the rotating shaft to rotate, and the winding wheel with an interference fit with the rotating shaft drives the steel wire to move , Stretch the free end of the beam to the set position, under the action of the ratchet and the pawl, the winding wheel cannot be reversed, and under the action of the high-strength spring under the beam, the beam cannot be turned upward, so that the wire under the beam able to maintain a constant position.

Example 2:

In this embodiment, on the basis of Embodiment 1, in order to facilitate installation, preferably, supports 20 are respectively provided at the lower ends of the first main tower and the second main tower, and on the upper end surface of the base Two positioning slots 4 are provided, and a positioning column 5 is arranged between the two positioning slots. The two supports are respectively located inside the two positioning slots. A high-strength spring is arranged between them, the high-strength spring runs through the positioning column, and the two ends of the high-strength spring are respectively fixedly connected to the opposite end surfaces of the two supports.

By arranging a high-strength spring between the opposite end faces of the two supports, the supports under the first main tower and the second main tower can be kept relatively stable. The first and second main towers are kept stable to avoid damage to the first main tower or the second main tower due to earthquakes and other problems.

In this embodiment, in order to further improve the stability of the first main tower and the second main tower, preferably, between the end face of the positioning groove on the side away from the positioning column and the support, there are respectively High strength spring.

In this embodiment, preferably, an end cover 6 is provided above the positioning column. Make the end cover cover the top of the positioning column, so that there is a space between the two ends of the end cover and the opposite end faces of the first main tower and the second main tower, so as to avoid collision with the end cover when the first main tower or the second main tower is slightly displaced cause damage.

In order to keep the first main tower and the second main tower stable, in this embodiment, preferably, two symmetrically arranged through holes are arranged on the base, and steel wire ropes 8 are arranged in the through holes, The ends of the steel wire ropes away from the base are respectively fixedly connected to the end faces of the first main tower and the second main tower on the side away from the beam. Use wire ropes to pull the outside of the first main tower and the second main tower to keep them stable relative to the base.

In this embodiment, in order to facilitate maintenance personnel to be transported to the upper ends of the first main tower and the second main tower for maintenance operations, preferably, when the first main tower and the second main tower are far away from the beam An external crossbeam 15 is arranged on the top of one end surface, a fixed shaft is arranged on the external crossbeam, a pulley 16 is arranged on the fixed shaft, and a lifting platform 14 is arranged on the base. A steel wire cable 17 is arranged above the lifting table, and the upper end of the steel wire cable is hooked on the pulley. Pull the steel wire cable, so that the steel wire cable drives the lifting platform to rise, so that the personnel and equipment can be easily lifted to the designated position for maintenance operations.

Further preferably, in this embodiment, in order to facilitate the lifting of the lifting platform, a winding wheel 18 is arranged on the upper end surface of the base, and one end of the steel wire cable is wound on the winding wheel, and on the base A motor for driving the reel to rotate is arranged on the upper end surface. The winding wheel is driven by the motor, so that the winding wheel winds the steel wire cable to move the lifting platform.

In order to improve the stability of the overall structure, in this embodiment, preferably, a connecting beam 19 is provided on the opposite end faces of the first main tower and the second main tower.

In order to improve the seismic performance of the first main tower and the second main tower, in this embodiment, preferably, the middle part of the connecting beam is arched upwards, and the two ends of the connecting beam are fixedly connected to the first Main tower and said second main tower.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (9)

1. An iron tower for high-voltage transmission lines, characterized in that: it includes a base and a first main tower and a second main tower arranged above the base, and the first main tower and the second main tower Crossbeams are respectively arranged on the top, and the crossbeams are at least 2 arranged along the height direction of the first main tower and the second main tower, and one end of the crossbeams is respectively hinged on the first main tower and on the second main tower, the other end of the crossbeam is suspended to form a free end, a rotating shaft is respectively arranged on the first main tower and the second main tower above the crossbeam, and a ratchet is arranged on the rotating shaft, The first main tower and the second main tower are respectively provided with ratchet pawls matched with the ratchet, and a winding wheel is arranged on the rotating shaft. A steel wire is arranged on the top, one end of the steel wire is wound on the reel, and the other end of the steel wire is fixedly connected to the free end of the beam, between the first main tower and the The second main tower is respectively provided with driving motors, and a driving gear is arranged on the driving motors, and the driving gears are meshed with the driven gears arranged on the rotating shaft. A high-strength spring is arranged on the opposite end face of the tower and the second main tower, one end of the high-strength spring is fixedly connected to the first main tower, and the other end of the high-strength spring is fixedly connected to the second main tower. On the two main towers, a high-strength spring is arranged between the first main tower and the lower end surface of the beam, and a high-strength spring is arranged between the second main tower and the lower end surface of the beam. 2. The iron tower for high-voltage transmission line according to claim 1, characterized in that: a support is respectively provided at the lower ends of the first main tower and the second main tower, and Two positioning grooves are arranged on the upper end surface of the base, and a positioning column is arranged between the two positioning grooves. A high-strength spring is arranged between the grooves, the high-strength spring runs through the positioning column, and the two ends of the high-strength spring are respectively fixedly connected to the opposite end surfaces of the two supports. 3. The iron tower for high-voltage transmission lines according to claim 2, characterized in that: a high-strength bracket is respectively arranged between the end face of the positioning groove on the side away from the positioning column and the support. spring. 4. An iron tower for high-voltage transmission lines according to claim 2 or 3, characterized in that: an end cover is arranged above the positioning column. 5. An iron tower for high-voltage transmission lines according to claim 1, 2 or 3, characterized in that: two symmetrically arranged through holes are arranged on the base, and in the through holes Steel wire ropes are provided, and the ends of the steel wire ropes away from the base are respectively fixedly connected to the end faces of the first main tower and the second main tower away from the beam. 6. A steel tower for high-voltage transmission lines according to claim 1, 2 or 3, characterized in that: on the side of the first main tower and the second main tower away from the beam An external beam is arranged on the top of the end face, a fixed shaft is arranged on the external beam, a pulley is arranged on the fixed shaft, a lifting platform is arranged on the base, and a lifting platform is arranged above the lifting platform. A steel wire cable is provided, and the upper end of the steel wire cable is hung on the pulley. 7. The iron tower used for high-voltage transmission lines according to claim 6, characterized in that: a winding wheel is arranged on the upper end surface of the base, and one end of the steel wire cable is wound on the winding wheel On the upper end surface of the base, a motor for driving the reel to rotate is provided. 8. An iron tower for high-voltage transmission lines according to claim 1, 2 or 3, characterized in that: on the opposite end faces of the first main tower and the second main tower, connecting beam. 9. An iron tower for high-voltage transmission lines according to claim 8, characterized in that: the middle part of the connecting beam is arched upwards, and the two ends of the connecting beam are respectively fixedly connected to the first Main tower and said second main tower.