CN214942980U

CN214942980U - Power transmission line iron tower with truss structure

Info

Publication number: CN214942980U
Application number: CN202121061403.9U
Authority: CN
Inventors: 袁明武
Original assignee: Qingdao Hanjiang Heavy Industry Technology Co ltd
Current assignee: Qingdao Hanjiang Heavy Industry Technology Co ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2021-11-30
Anticipated expiration: 2031-05-18

Abstract

The utility model discloses a power transmission line iron tower of truss structure, including body of the tower, tower head, upper cross arm, lower cross arm, damper assembly, insulator string, tower leg and reinforcement subassembly, the top of body of the tower is fixedly connected with the bottom of tower head, and the top symmetry of tower head both sides is provided with upper cross arm, and the bottom symmetry of tower head both sides is provided with lower cross arm, and insulator string is all fixedly installed through damper assembly to the bottom one side of upper cross arm and lower cross arm, and damper assembly comprises i-shaped guide pin bushing, spacing bolt, reset spring, stop nut, gasket, rubber packing ring, T type cushion socket, guide pillar and buffer spring; the utility model discloses a stress to between insulator chain and the cross arm has cushioned, has reduced unnecessary wearing and tearing, has prolonged the life of iron tower, and has consolidated the tower body, has improved the stability of iron tower installation, has reduced the tower body incline under the bad weather condition, the risk of empting, and the operational reliability is good, has eliminated the potential safety hazard.

Description

Power transmission line iron tower with truss structure

Technical Field

The utility model relates to a transmission line iron tower technical field specifically is a truss structure's transmission line iron tower.

Background

The transmission line iron tower is a tower structure used for supporting and making overhead wires, lightning conductors and other accessories, and a high-rise steel structure which enables the wires to be kept at a specified safe distance from the wires, from the wires to the iron tower, from the wires to the lightning conductors and from the wires to the ground or cross spanning objects belongs to the most commonly used support materials on high-voltage transmission lines. At present, the space truss structure manufactured by hot-rolled equal-limb angle steel and assembled by bolts is mostly adopted at home and abroad, and a few projects adopt cold-formed steel, steel pipes or steel pipe concrete structures,

however, most of power transmission line iron towers with traditional space truss structures are not provided with damping structures, the insulator strings and the cross arms are subjected to more stress and are seriously worn, the service life of the iron tower is inevitably shortened, the tower body is not reinforced, the stability is insufficient, the iron tower is easy to deflect and topple over due to severe weather in the using process, the working reliability is poor, and certain potential safety hazards exist.

Therefore, it is necessary to design a power transmission line iron tower with a truss structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transmission line iron tower of truss structure to solve the problem that proposes in the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: an electric transmission line iron tower with a truss structure comprises a tower body, a tower head, an upper cross arm, a lower cross arm, a damping component, an insulator string, tower legs and a reinforcing component, the top of the tower body is fixedly connected with the bottom of the tower head, the top ends of two sides of the tower head are symmetrically provided with upper cross arms, the bottom ends of two sides of the tower head are symmetrically provided with lower cross arms, insulator strings are fixedly mounted on one sides of the bottoms of the upper cross arms and the lower cross arms through damping assemblies, each damping assembly comprises an I-shaped guide sleeve, a limiting bolt, a reset spring, a limiting nut, a gasket, a rubber gasket, a T-shaped damping seat, a guide pillar and a buffer spring, the top of each I-shaped guide sleeve is fixedly connected with one side of the bottom of the upper cross arm and one side of the bottom of the lower cross arm respectively, the outer edge of the bottom of each I-shaped guide sleeve is fixedly connected with the rubber gasket and the outer edge of the top of the T-shaped damping seat through the limiting bolt, the reset spring, the limiting nut and the gasket, and the center of the bottom of the T-shaped damping seat are fixedly connected with one end of each insulator string.

Furthermore, the center of the top of the T-shaped shock absorption seat is fixedly connected with one end of the guide pillar, the other end of the guide pillar is fixedly connected with one end of the buffer spring, and the other end of the buffer spring is fixedly connected with the inner wall of the I-shaped guide sleeve.

Furthermore, the bottom of the tower body is fixedly connected with the tops of the tower legs, four corners of the outer edge of the bottom of the tower legs are fixedly connected with the foundation, four edges of the inner edge of the bottom of the tower legs are fixedly connected with the foundation through reinforcing components, each reinforcing component comprises a reinforcing rope, a connecting ring, a fixed seat, a counterweight groove and a counterweight, and two ends of the reinforcing rope are fixedly connected with four edges of the inner edge of the bottom of the tower legs and four edges of the top of the fixed seat through the connecting rings respectively.

Furthermore, the bottom and the ground fixed connection of fixing base, the center at fixing base top is provided with the counter weight groove, and the inside in counter weight groove is inlayed and is equipped with a plurality of balancing weight.

Furthermore, reset spring and gasket have been cup jointed respectively to the middle section of spacing bolt, and limit nut is installed to limit bolt's one end, and the gasket is located between limit nut and the reset spring.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model has the advantages that the shock absorption structure is additionally arranged, so that the stress between the insulator string and the cross arm is buffered, unnecessary abrasion is reduced, and the service life of the iron tower is prolonged; by additionally arranging the reinforcing structure, the stability of iron tower installation is improved, the risks of tower body deflection and toppling over under severe weather conditions are reduced, the working reliability is good, and potential safety hazards are eliminated.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a front cross-sectional view of a shock assembly of the present invention;

in the figure: 1. a tower body; 2. a tower head; 3. an upper cross arm; 4. a lower cross arm; 5. a shock absorbing assembly; 51. an I-shaped guide sleeve; 52. a limit bolt; 53. a return spring; 54. a limit nut; 55. a gasket; 56. a rubber gasket; 57. a T-shaped shock absorption seat; 58. a guide post; 59. a buffer spring; 6. an insulator string; 7. tower legs; 8. a reinforcement assembly; 81. reinforcing the rope; 82. a connecting ring; 83. a fixed seat; 84. a counterweight groove; 85. and a balancing weight.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an electric transmission line iron tower with a truss structure comprises a tower body 1, a tower head 2, an upper cross arm 3, a lower cross arm 4, a damping assembly 5, an insulator string 6, tower legs 7 and a reinforcing assembly 8, wherein the top of the tower body 1 is fixedly connected with the bottom of the tower head 2, the top ends of two sides of the tower head 2 are symmetrically provided with the upper cross arm 3, the bottom ends of two sides of the tower head 2 are symmetrically provided with the lower cross arm 4, the insulator string 6 is fixedly installed on one side of the bottom of the upper cross arm 3 and one side of the bottom of the lower cross arm 4 through the damping assembly 5, the damping assembly 5 consists of an I-shaped guide sleeve 51, a limiting bolt 52, a reset spring 53, a gasket 55, a rubber gasket 56, a T-shaped damping seat 57, a guide pillar 58 and a buffer spring 59, the top of the I-shaped guide sleeve 51 is fixedly connected with one side of the bottom of the upper cross arm 3 and the bottom of the lower cross arm 4 respectively, the outer edge of the bottom of the I-shaped guide sleeve 51 is fixedly connected with the outer edges of the rubber gasket 56 and the T-shaped damping seat 57 through the limiting bolt 52, the reset spring 53, the limiting nut 54 and the gasket 55, the middle section of the limiting bolt 52 is respectively sleeved with a return spring 53 and a gasket 55, one end of the limiting bolt 52 is provided with a limiting nut 54, the gasket 55 is positioned between the limiting nut 54 and the return spring 53, the center of the bottom of the T-shaped shock absorption seat 57 is fixedly connected with one end of the insulator string 6, the center of the top of the T-shaped shock absorption seat 57 is fixedly connected with one end of the guide pillar 58, the other end of the guide pillar 58 is fixedly connected with one end of the buffer spring 59, the other end of the buffer spring 59 is fixedly connected with the inner wall of the I-shaped guide sleeve 51, and a shock absorption structure is added, so that the stress between the insulator string 6 and the cross arm is buffered, unnecessary wear is reduced, and the service life of the iron tower is prolonged; the bottom of the tower body 1 is fixedly connected with the top of the tower legs 7, four corners of the outer edge of the bottom of the tower legs 7 are fixedly connected with a foundation, four edges of the inner edge of the bottom of the tower legs 7 are fixedly connected with the foundation through the reinforcing components 8, each reinforcing component 8 is composed of a reinforcing rope 81, a connecting ring 82, a fixed seat 83, a counterweight groove 84 and counterweight blocks 85, two ends of each reinforcing rope 81 are fixedly connected with four edges of the inner edge of the bottom of the tower legs 7 and four edges of the top of the corresponding fixed seat 83 through the connecting rings 82, the bottom of the corresponding fixed seat 83 is fixedly connected with the foundation, the counterweight groove 84 is arranged in the center of the top of the corresponding fixed seat 83, a plurality of counterweight blocks 85 are embedded in the counterweight groove 84, and a reinforcing structure is additionally arranged, so that the installation stability of the iron tower is improved, the risks of deflection and toppling over of the tower body under the severe weather conditions are reduced, the working reliability is good, and the potential safety hazards are eliminated; when the utility model is used, firstly, the tower leg 7 is installed on the foundation, the fixed seat 83 is installed on the foundation, then the tower leg 7 and the fixed seat 83 are connected together through the reinforcing rope 81 and the connecting ring 82, and a proper amount of balancing weight 85 is embedded into the balancing weight groove 84 according to actual requirements, the tower leg 7 is reinforced, the stability of the iron tower installation is improved, the risk of tower body deflection and dumping under the condition of severe weather is reduced, the working reliability is good, the potential safety hazard is eliminated, then the tower body 1 is installed on the tower leg 7, the tower head 2 is installed on the tower body 1, the upper cross arm 3 and the lower cross arm 4 are installed on the tower head 2, the guide pillar 58 and the buffer spring 59 are embedded into the I-shaped guide sleeve 51, the reset spring 53, the limit nut 54 and the gasket 55 are sleeved on the limit bolt 52, and then the I-shaped guide sleeve 51, the rubber gasket 56 and the T-shaped shock-absorbing seat 57 are connected together, and then install insulator chain 6 on upper cross arm 3 and lower cross arm 4, when insulator chain 6 atress, through the flexible of reset spring 53 and buffer spring 59, the deformation of rubber packing ring 56, from buffering the stress between insulator chain 6 and upper cross arm 3 and lower cross arm 4, reduced unnecessary wearing and tearing, prolonged the life of iron tower.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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. The utility model provides a truss structure's transmission line iron tower, includes body of the tower (1), tower head (2), upper cross arm (3), lower cross arm (4), damper unit (5), insulator chain (6), tower leg (7) and reinforcement assembly (8), its characterized in that: the top of the tower body (1) is fixedly connected with the bottom of the tower head (2), the top ends of two sides of the tower head (2) are symmetrically provided with upper cross arms (3), the bottom ends of two sides of the tower head (2) are symmetrically provided with lower cross arms (4), one sides of the bottoms of the upper cross arms (3) and the lower cross arms (4) are fixedly provided with insulator strings (6) through shock absorption assemblies (5), each shock absorption assembly (5) consists of an I-shaped guide sleeve (51), a limiting bolt (52), a reset spring (53), a limiting nut (54), a gasket (55), a rubber gasket (56), a T-shaped shock absorption seat (57), a guide column (58) and a buffer spring (59), the top of the I-shaped guide sleeve (51) is fixedly connected with one sides of the bottoms of the upper cross arms (3) and the lower cross arms (4) respectively, the outer edge of the bottom of the I-shaped guide sleeve (51) is fixedly connected with the outer edges of the top of the rubber gasket (56) and the T-shaped shock absorption seat (57) through the limiting bolt (52), the reset spring (53), the limiting nut (54) and the gasket (55) And the center of the bottom of the T-shaped shock absorption seat (57) is fixedly connected with one end of the insulator string (6).

2. The power transmission line iron tower with the truss structure as claimed in claim 1, wherein: the center of the top of the T-shaped shock absorption seat (57) is fixedly connected with one end of a guide post (58), the other end of the guide post (58) is fixedly connected with one end of a buffer spring (59), and the other end of the buffer spring (59) is fixedly connected with the inner wall of the I-shaped guide sleeve (51).

3. The power transmission line iron tower with the truss structure as claimed in claim 1, wherein: the bottom of body of the tower (1) and the top fixed connection of tower leg (7), the four corners and the ground fixed connection of tower leg (7) bottom outer fringe, the four sides of tower leg (7) bottom inner edge are through consolidating subassembly (8) and ground fixed connection, consolidate subassembly (8) and constitute by reinforcing rope (81), go-between (82), fixing base (83), counter weight groove (84) and balancing weight (85), the both ends of reinforcing rope (81) are passed through go-between (82) respectively with the four sides of tower leg (7) bottom inner edge and the four sides fixed connection at fixing base (83) top.

4. The power transmission line iron tower with the truss structure as claimed in claim 3, wherein: the bottom and the ground fixed connection of fixing base (83), the center at fixing base (83) top is provided with counter weight groove (84), and the inside in counter weight groove (84) is inlayed and is equipped with a plurality of balancing weight (85).

5. The power transmission line iron tower with the truss structure as claimed in claim 1, wherein: the middle section of the limiting bolt (52) is respectively sleeved with a return spring (53) and a gasket (55), a limiting nut (54) is installed at one end of the limiting bolt (52), and the gasket (55) is located between the limiting nut (54) and the return spring (53).