CN205314654U - Reinforcement iron tower of power transmission sequence - Google Patents

Abstract

The utility model discloses a reinforced iron tower for a power transmission line, which relates to the technical field of power transmission equipment. The reinforced iron tower of the power transmission line includes the main frame. Lugs are provided at both ends of the four side walls at the bottom of the main frame. Anti-climbing plates are hinged between adjacent two lugs. The side of the anti-climbing plate close to the ground is hinged to support rods. The support rod includes a fixed rod and a movable rod. One end of the fixed rod is hinged with the anti-climbing plate, and the other end is threaded with the movable rod. One end of the movable rod is provided with a fixed hole, and also includes a fixed seat fixed on the ground, and the fixed seat is provided with a mounting hole. 1. A protective cover coaxial with the mounting hole, bolts are arranged in the fixing hole and the mounting hole, special-shaped nuts are arranged on the bolts, the special-shaped nuts are located in the protective cover, and a climbing ladder is provided on the side of at least one anti-climbing plate away from the ground. The beneficial effect of the utility model is that the utility model has a simple structure, can effectively prevent non-electric workers from climbing, has high safety performance, does not hinder electric workers from climbing, and is flexible and convenient to use.

Description

Reinforced iron towers for power transmission lines

technical field

The utility model relates to the technical field of power transmission equipment, in particular to a reinforced iron tower for power transmission lines.

Background technique

At present, when carrying out long-distance transmission of electric energy, it is mainly to rely on transmission towers with large metal frame structures to erect transmission lines in the air. The iron tower usually includes a main frame and a support arm arranged on the main frame. The fixed wires are supported by insulators arranged on the support arm, and an overhead ground wire is supported on the top of the iron tower. The existing iron tower is directly fixed on the ground, and some people will climb on the iron tower due to various reasons. The higher voltage on the iron tower is likely to cause electric shock danger and is unsafe to use.

Existing patent CN20426669 discloses a kind of iron tower, the anti-climbing frame is arranged on the bottom frame, the anti-climbing frame is a ring structure, the outer ring is circular, the inner ring is square, and the inner ring is fixedly connected with the bottom frame. Although this kind of iron tower can It effectively prevents non-electric workers from climbing the iron tower at will, but it is also inconvenient for electric workers to climb and maintain, and it is inconvenient to use.

Utility model content

In order to solve the deficiencies in the prior art, the utility model provides a reinforced iron tower for power transmission lines, which has a simple structure, can effectively prevent non-electric workers from climbing, has high safety performance, and does not hinder electric workers from climbing. Flexible and convenient.

In order to achieve the above object, the utility model is realized through the following technical solutions: the reinforced iron tower of the power transmission line includes a main frame, several pairs of support arms arranged on the main frame, and insulators arranged at the ends of each support arm. Both ends of the four side walls of the bottom are provided with lugs, and an anti-climbing plate is hinged between two adjacent lugs, and the side of the anti-climbing plate close to the ground is hinged with a support rod, and the support rod includes a fixed rod and a movable rod. One end of the fixed rod is hinged with the anti-climbing plate, and the other end is threadedly connected with the movable rod. A fixed hole is set at the end of the movable rod far away from the fixed rod, and a fixed seat fixed on the ground is provided on the fixed seat. hole, a protective cover coaxial with the mounting hole, bolts are arranged in the fixing hole and the mounting hole, special-shaped nuts are arranged on the bolts, the special-shaped nuts are located in the protective cover, and the depth of the protective cover is greater than the thickness of the special-shaped nut , at least one side of the anti-climbing plate away from the ground is provided with a climbing ladder.

Barbs are set on the support rod.

A sealing plug is installed on the protective sleeve.

The lugs are located at a height of 3 meters from the ground.

Compared with the prior art, the beneficial effects of the utility model are:

1. In this utility model, an anti-climbing plate is set around the bottom of the iron tower, which can effectively prevent non-electric workers from climbing at will; and the anti-climbing plate is hinged with the main frame, and the side of the anti-climbing plate close to the ground is hinged with a support rod, and the support rod passes through Bolts and special-shaped nuts are connected with the fixed seat. A climbing ladder is set on the side of the anti-climbing plate away from the ground. When the electrician climbs, open the special-shaped nut and shorten the support rod so that the anti-climbing plate is close to the main frame. The climbing ladder set on the anti-climbing plate is used for climbing, which is convenient for electric workers to climb, and is flexible and convenient to use.

2. Barbs are set on the support rod to prevent non-electric workers from climbing up through the support rod.

3. A sealing plug is installed on the protective cover, and the sealing plug and the protective cover are connected by threads, and the nut sealing plug is provided to prevent external dust and rainwater from entering the special-shaped nut and causing the nut to rust, which is inconvenient for future maintenance of the device.

Description of drawings

Accompanying drawing 1 is the structural representation of the utility model;

Accompanying drawing 2 is the utility model accompanying drawing 1 in I part enlarged structural representation.

Labels shown in the accompanying drawings: 1, main frame; 2, support arm; 3, insulator; 4, lug; 5, anti-climbing plate; 6, support rod; 61, fixed rod; 62, movable rod; 7, fixed Hole; 8, fixed seat; 9, installation hole; 10, protective sleeve; 11, bolt; 12, special-shaped nut; 13, climbing ladder; 14, barb; 15, sealing plug.

detailed description

The utility model will be further described in conjunction with the accompanying drawings and specific embodiments. It should be understood that these embodiments are only used to illustrate the present utility model and are not intended to limit the scope of the present utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the appended claims of the application.

The reinforced iron tower of the power transmission line includes a main frame 1 , several pairs of support arms 2 arranged on the main frame 1 , and insulators 3 arranged at the ends of each support arm 2 . Both ends of the four side walls at the bottom of the main frame 1 are provided with lugs 4, and an anti-climbing plate 5 is hinged between two adjacent lugs 4, and the side of the anti-climbing plate 5 close to the ground is hinged with a support rod 6, so that The support rod 6 includes a fixed rod 61 and a movable rod 62, one end of the fixed rod 61 is hinged with the anti-climbing plate 5, and the other end is threadedly connected with the movable rod 62, and the end of the movable rod 62 away from the fixed rod 61 is provided with a fixing hole 7. It also includes a fixed seat 8 fixed on the ground, and the fixed seat 8 is provided with a mounting hole 9 and a protective sleeve 10 coaxial with the mounting hole 9. Bolts 11 are provided in the fixed hole 7 and the mounting hole 9, so that A special-shaped nut 12 is arranged on the bolt 11 , and the special-shaped nut 12 is located in the protective sleeve 10 , and the depth of the protective sleeve 10 is greater than the thickness of the special-shaped nut 12 . Special-shaped nuts are triangular nuts or pentagonal nuts. A climbing ladder 13 is provided on at least one side of the anti-climbing plate 5 away from the ground. When the utility model is in use, when it is necessary to prevent non-electric personnel from climbing, adjust the length of the support rod to make the outer side of the anti-climbing plate tilt upward, then fix the support rod and the fixing seat through bolts and special-shaped nuts, and use the provided protective sleeve and special-shaped nuts, which can effectively prevent non-electric personnel from opening the special-shaped nuts through ordinary wrenches, and can effectively prevent non-electric personnel from climbing; Close to the main frame, electric workers can climb through the climbing ladder set on the anti-climbing plate, which is convenient for electric workers to climb, and it is flexible and convenient to use.

As an optimization, barbs 14 are provided on the support rod 6 to prevent non-electric workers from climbing up through the support rod.

As an optimization, a sealing plug 15 is installed on the protective sleeve 10, and the sealing plug and the protective sleeve are connected by threads, and the nut sealing plug is provided to prevent external dust and rainwater from entering into the special-shaped nut to make the nut rust, which is inconvenient in the future Servicing this unit.

As an optimization, the lug 4 is located at a height of 3 meters above the ground, so that the anti-climbing plate is located at a height of 3 meters above the ground. On the one hand, when the anti-climbing board is too high, it is dangerous for non-electric personnel to climb too high.

Example 1:

The reinforced iron tower of the power transmission line includes a main frame 1 , several pairs of support arms 2 arranged on the main frame 1 , and insulators 3 arranged at the ends of each support arm 2 . Lugs 4 are provided at both ends of the four side walls at the bottom of the main frame 1 , and anti-climbing plates 5 are hinged between two adjacent lugs 4 . The lug 4 is located at a height of 3 meters on the ground, so that the anti-climbing plate is located at a height of 3 meters on the ground. When the climbing board is too high, it is dangerous for non-electric personnel to climb too high. One side of the anti-climbing plate 5 close to the ground is hinged with a support rod 6, and barbs 14 are arranged on the support rod 6 to prevent non-electric workers from climbing upwards through the support rod. Described support rod 6 comprises fixed rod 61 and movable rod 62, and one end of described fixed rod 61 is hinged with anti-climbing plate 5, and the other end is threadedly connected with movable rod 62, and one end of described movable rod 62 away from fixed rod 61 is set and fixed The hole 7 also includes a fixed seat 8 fixed on the ground, the fixed seat 8 is provided with a mounting hole 9, a protective sleeve 10 coaxial with the mounting hole 9, and a bolt 11 is arranged in the fixed hole 7 and the mounting hole 9, A special-shaped nut 12 is arranged on the bolt 11 , and the special-shaped nut 12 is located in the protective sleeve 10 , and the depth of the protective sleeve 10 is greater than the thickness of the special-shaped nut 12 . Special-shaped nuts are triangular nuts or pentagonal nuts. Sealing plug 15 is installed on protective cover 10, is connected by thread between sealing plug and protective cover, by the nut sealing plug of setting, prevents external dust, rainwater from entering in special-shaped nut and makes nut get rusty, it is inconvenient to maintain this device in the future. A climbing ladder 13 is provided on at least one side of the anti-climbing plate 5 away from the ground. When the utility model is in use, when it is necessary to prevent non-electric personnel from climbing, adjust the length of the support rod to make the outer side of the anti-climbing plate tilt upward, then fix the support rod and the fixing seat through bolts and special-shaped nuts, and use the provided protective sleeve and special-shaped nuts, which can effectively prevent non-electric personnel from opening the special-shaped nuts through ordinary wrenches, and can effectively prevent non-electric personnel from climbing; Close to the main frame, electric workers can climb through the climbing ladder set on the anti-climbing plate, which is convenient for electric workers to climb, and it is flexible and convenient to use.

Claims (4)

1. The reinforced iron tower of power transmission line, comprises main frame (1), some pairs of support arms (2) that are located on this main frame (1), the insulator (3) that is located at each support arm (2) end, its It is characterized in that lugs (4) are provided at both ends of the four side walls at the bottom of the main frame (1), and an anti-climbing plate (5) is hinged between two adjacent lugs (4), and the anti-climbing plate ( 5) One side of the ground near the hinged support rod (6), the support rod (6) includes a fixed rod (61) and a movable rod (62), and one end of the fixed rod (61) is hinged with the anti-climbing plate (5) , the other end is threadedly connected to the movable rod (62), the fixed hole (7) is set at the end of the movable rod (62) away from the fixed rod (61), and also includes a fixed base (8) fixed on the ground, the A mounting hole (9) and a protective sleeve (10) coaxial with the mounting hole (9) are arranged on the fixing base (8), and bolts (11) are arranged in the fixing hole (7) and the mounting hole (9), and the A special-shaped nut (12) is arranged on the bolt (11), and the special-shaped nut (12) is positioned in the protective cover (10). The depth of the protective cover (10) is greater than the thickness of the special-shaped nut (12). A climbing ladder (13) is set on the side of the climbing board (5) away from the ground. 2. The iron tower for reinforcing power transmission lines according to claim 1, characterized in that barbs (14) are arranged on the support rods (6). 3. The reinforced iron tower of power transmission lines according to claim 1, characterized in that: a sealing plug (15) is installed on the protective cover (10). 4. The iron tower for reinforcing power transmission lines according to any one of claims 1 to 3, characterized in that: the lug (4) is located at a height of 3 meters above the ground.