CN217106405U

CN217106405U - High-stability transmission line iron tower

Info

Publication number: CN217106405U
Application number: CN202220857387.2U
Authority: CN
Inventors: 孙长升; 傅双双; 刘元杰; 孙杰
Original assignee: Qingdao Fanchang Power Equipment Factory Co ltd
Current assignee: Qingdao Fanchang Power Equipment Factory Co ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-08-02
Anticipated expiration: 2032-04-13

Abstract

The utility model is suitable for the technical field of power transmission iron towers, and provides a high-stability power transmission line iron tower which comprises a tower body component and a foundation component, by arranging the tower body component with the tower body and the cross arm and the foundation component with the base, the inserted link and the cross net, the base is fixed at the bottom of the tower body and used for supporting the tower body, a plurality of transverse nets which are distributed at intervals along the vertical direction are fixed at the bottom of the base through inserting rods, the base is arranged on the ground when the iron tower is installed, the transverse nets and the inserting rods are arranged under the ground, the contact area between the multilayer transverse nets and a soil layer can be effectively increased, when the base and the inserted link are subjected to the pulling force from the tower body, the inserted link can be reinforced by the friction force between the transverse net and the soil layer, the stable support is provided for the tower body by the base, thereby strengthen the base, reduce the risk that the body of the tower takes place to incline, when extreme weather such as powerful strong wind, guarantee electric power system's normal operating.

Description

High-stability transmission line iron tower

Technical Field

The utility model belongs to the technical field of steel pylons, especially, relate to high stability type transmission line iron tower.

Background

The iron tower of power transmission line is a tower-shaped building for power transmission, and its structure is characterized by that all tower types are space truss structure, and its rod member is mainly formed from single equilateral angle steel or combined angle steel, and its material generally uses two kinds of Q235(A3F) and Q345(16Mn), and the connection between rod members adopts rough bolt, and is connected by means of shearing force of bolt, and the whole tower is formed from angle steel, connecting steel plate and bolt, and its individual components, such as tower foot, are welded into an assembly by means of several steel plates, so that it is very convenient for hot-galvanizing, corrosion-resisting, transportation and construction erection, and for iron tower whose height is below 60m, a foot nail is set on one main material of iron tower so as to make construction operator conveniently climb up tower.

However, the existing iron tower has some defects when in use, and when the existing iron tower is used for a long time, the matching of the nut and the bolt is easy to loosen, so that the overall structural stability of the iron tower can be reduced, and when extreme weather such as strong wind and the like occurs, risks such as toppling or inclination and the like are easy to occur, and the normal operation of a power system is influenced

SUMMERY OF THE UTILITY MODEL

The utility model provides a high stable form transmission line iron tower aims at solving the problem that prior art exists.

The utility model discloses a realize like this, high stability form transmission line iron tower, include:

the tower body assembly comprises a tower body and a cross arm fixed on the tower body;

the foundation assembly comprises a base fixed to the bottom of the tower body, a plurality of inserting rods fixed to the bottom of the base, and a plurality of transverse nets which are fixedly connected with the plurality of inserting rods and distributed at intervals in the vertical direction.

Preferably, tower seats are fixed at four bottom corner positions of the tower body;

the top surface of the base is provided with caulking grooves matched with the plurality of tower seats; the tower base is embedded into the corresponding embedding groove and fixedly connected with the base.

Preferably, the number of the insert rods is four, and the insert rods are distributed in a matrix form;

the transverse net comprises a central net and an extension net, wherein four legs are respectively connected with the four insertion rods, and the extension net extends outwards from the outer edge of the central net.

Preferably, the device further comprises a reinforcing component, which comprises:

four pull ropes distributed in a matrix form; one end of the pull rope is fixedly connected to the tower body;

the embedded seat is fixed at the other end of the pull rope;

and the vertical net is fixed at the bottom of the embedded seat.

Preferably, two extending rods which are arranged in parallel and extend in the vertical direction are fixed at the bottom of the embedded seat; at least one vertical net is fixed on each extension rod, and the outer wall of each extension rod is fixed on one surface of each vertical net.

Preferably, a rope seat is fixed at the other end of the pull rope, and a rope seat groove matched with the rope seat is formed in the top of the embedded seat; the rope seat is detachably embedded into the rope seat groove and is fixedly connected with the embedded seat.

Preferably, a plurality of embedded bolts with end portions extending upwards are fixed on the embedded seats;

a plurality of through holes corresponding to the embedded bolts are formed in the rope seat; the embedded bolt moves to penetrate through the corresponding through hole and is fixedly screwed with a limit nut; the diameter of the limiting nut is longer than that of the through hole.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a high stability type transmission line iron tower, tower body subassembly that has body of the tower and cross arm through the setting, the base has, the basic subassembly of inserted bar and horizontal net, and the bottom at the body of the tower is fixed to the base, be used for supporting the body of the tower, the bottom of base is fixed with a plurality of horizontal nets along vertical direction interval distribution through the inserted bar, the base sets up in subaerial when installing the iron tower, horizontal net and inserted bar set up in subaerial, the multilayer horizontal net can effectively promote the area of contact with the soil layer, when base and inserted bar receive the pulling force that comes from the body of the tower, can provide the reinforcement to the inserted bar through the frictional force between horizontal net and the soil layer, provide the outrigger through the base to the body of the tower, thereby consolidate the base, reduce the risk that the body of the tower takes place the slope, in extreme weather such as powerful strong wind, guarantee electric power system's normal operating.

Drawings

Fig. 1 is a schematic view of the overall structure of the high-stability transmission line iron tower of the present invention;

fig. 2 is a schematic structural view of the embedded seat and the extension rod of the present invention;

fig. 3 is an enlarged schematic view of detail a in fig. 1.

In the figure: 1. a tower body assembly; 11. a tower body; 12. a cross arm; 2. a base component; 21. a base; 22. inserting a rod; 23. a transverse net; 24. a tower base; 3. a reinforcement assembly; 31. pulling a rope; 32. pre-embedding a seat; 33. a rope seat; 34. an extension rod; 35. and (5) erecting the net.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, the present invention provides a technical solution: high stability type transmission line iron tower includes tower body subassembly 1, basic subassembly 2 and reinforcement assembly 3.

The tower assembly 1 comprises a tower 11 and a cross arm 12 fixed to the tower 11. Body of tower 11 and cross arm 12 constitute the major structure of the iron tower of this application to body of tower 11 comprises a plurality of trapezoidal tower sections that set gradually along vertical direction, all is fixed with cross arm 12 on being located two trapezoidal tower sections at top. And adjacent trapezoidal tower sections are welded and fixed through steel wrapping.

The foundation assembly 2 includes a base 21 fixed to the bottom of the tower 11, a plurality of insertion rods 22 fixed to the bottom of the base 21, and a plurality of cross nets 23 fixedly connected to the plurality of insertion rods 22 and spaced apart in the vertical direction.

Wherein the foundation assembly 2 is used to provide support and reinforcement to the tower assembly 1. The base 21 is a rectangular base, the base 21 directly provides support for the tower body 11, and during on-site construction, the base 21 is laid on the ground by concrete. The upper end of inserted bar 22 is fixed in the bottom of body of the tower 11 through the welded mode, prolongs the length to the underground of body of the tower 11 to can be connected horizontal net 23 and body of the tower 11, make horizontal net 23 can provide the pulling force to body of the tower 11, and then promote body of the tower 11's structural stability. In the present embodiment, the number of the transverse nets 23 is three, and the transverse nets are arranged at equal intervals, so that the force can be uniformly applied. The constructor can further increase the stability of the transverse net 23 by planting some low, developed root shrubs near the base 21.

Referring to fig. 3, specifically, tower seats 24 are fixed at four bottom corners of the tower body 11; the top surface of the base 21 is provided with caulking grooves matched with the plurality of tower seats 24; the tower 24 is inserted into the corresponding insertion groove and fixedly connected to the base 21. The tower base 24 is used for specifically supporting four corners of the tower body 11, and the tower base 24 is made of concrete and is fused with the base 21 to form a stable integrated supporting structure. The four tower seats 24 can be uniformly stressed and connect the tower body 11 and the base 21. In addition, the upper end of the insertion rod 22 is inserted into the tower seat 24 to be connected to the tower body 11.

In the present embodiment, the number of the insertion rods 22 is four, and the insertion rods are distributed in a matrix; the transverse net 23 comprises a central net with four legs respectively connected with four insertion rods 22 and an extension net extending outwards from the outer edge of the central net

The reinforcing component 3 comprises a pull rope 31, an embedded seat 32 and a vertical net 35. Four pull ropes 31 are arranged and distributed in a matrix form; one end of the pull rope 31 is fixedly connected to the tower body 11. The embedded seat 32 is fixed at the other end of the pulling rope 31. The vertical net 35 is fixed at the bottom of the embedded seat 32. In this embodiment, the number of vertical nets 35 is two to for symmetrical parallel arrangement, vertical nets 35 can provide the reinforcement for pre-buried seat 32, make pre-buried seat 32 through the firm and soil layer of vertical nets 35 establish and be connected. Because the pulling rope 31 is connected with the embedded seat 32 and the tower body 11, the tower body 11 can be effectively reinforced.

Referring to fig. 2, specifically, two extending rods 34 extending in the vertical direction are fixed at the bottom of the embedded seat 32; at least one vertical net 35 is fixed on each extension rod 34, and the outer wall of the extension rod 34 is fixed on one surface of the vertical net 35. The extension rod 34 is used for fixing the vertical net 35, so that stable connection can be established between the vertical net 35 and the embedded seat 32.

Further, a rope seat 33 is fixed at the other end of the pull rope 31, and a rope seat groove matched with the rope seat 33 is formed in the top of the embedded seat 32; the rope seat 33 is detachably embedded into the rope seat groove and fixedly connected with the embedded seat 32. A plurality of embedded bolts with end portions extending upwards are fixed on the embedded seats 32; the rope seat 33 is provided with a plurality of through holes corresponding to the plurality of embedded bolts; the embedded bolt moves to penetrate through the corresponding through hole and is fixedly screwed with a limit nut; the diameter of the limiting nut is longer than that of the through hole. In other embodiments, the rope base 33 may be integrally formed on the embedded base 32 by concrete. The pull rope 31 can be installed after the installation construction of the tower body 11 is completed, and the operation is convenient.

The high-stability transmission line iron tower of the utility model is provided with a tower body component 1 with a tower body 11 and a cross arm 12, and a foundation component 2 with a base 21, an inserted link 22 and a cross net 23, and the base 21 is fixed at the bottom of the tower body 11 for supporting the tower body 11, a plurality of transverse nets 23 are fixed at the bottom of the base 21 through inserting rods 22 and are distributed at intervals along the vertical direction, the base 21 is arranged on the ground when the iron tower is installed, the transverse nets 23 and the inserting rods 22 are arranged under the ground, the contact area between the multilayer transverse nets 23 and the soil layer can be effectively increased, when the base 21 and the insert rod 22 are subjected to a pulling force from the tower body 11, the insert rod 22 may be reinforced by a frictional force between the cross net 23 and the soil layer, the tower body 11 may be stably supported by the base 21, thereby, the base 21 is reinforced, the risk of inclination of the tower body 11 is reduced, and the normal operation of the power system is ensured in extreme weather such as strong wind and the like.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. High stable form transmission line iron tower, its characterized in that: the method comprises the following steps:

the tower body assembly (1) comprises a tower body (11) and a cross arm (12) fixed on the tower body (11);

the foundation assembly (2) comprises a base (21) fixed to the bottom of the tower body (11), a plurality of inserting rods (22) fixed to the bottom of the base (21), and a plurality of cross nets (23) which are fixedly connected with the plurality of inserting rods (22) and distributed at intervals in the vertical direction.

2. The high stability type transmission line tower of claim 1, wherein: tower seats (24) are fixed at the four bottom corner positions of the tower body (11);

the top surface of the base (21) is provided with caulking grooves matched with the plurality of tower seats (24); the tower base (24) is embedded into the corresponding embedded groove and fixedly connected with the base (21).

3. The high stability type transmission line tower of claim 1, wherein: the number of the inserting rods (22) is four, and the inserting rods are distributed in a matrix form;

the transverse net (23) comprises a central net and an extension net, wherein four legs of the central net are respectively connected with the four insertion rods (22), and the extension net extends outwards from the outer edge of the central net.

4. The high stability type transmission line tower of claim 1, wherein: further comprises a reinforcement assembly (3) comprising:

four pull ropes (31) distributed in a matrix form; one end of the pull rope (31) is fixedly connected to the tower body (11);

an embedded seat (32) fixed at the other end of the pull rope (31);

and the vertical net (35) is fixed at the bottom of the embedded seat (32).

5. The high stability type transmission line tower of claim 4, wherein: two extending rods (34) which are arranged in parallel and extend along the vertical direction are fixed at the bottom of the embedded seat (32); at least one vertical net (35) is fixed on each extension rod (34), and the outer wall of each extension rod (34) is fixed on one surface of each vertical net (35).

6. The high stability type transmission line tower of claim 4, wherein: a rope seat (33) is fixed at the other end of the pull rope (31), and a rope seat groove matched with the rope seat (33) is formed in the top of the embedded seat (32); the rope seat (33) is detachably embedded into the rope seat groove and is fixedly connected with the embedded seat (32).

7. The high stability type transmission line tower of claim 6, wherein: a plurality of embedded bolts with the end parts extending upwards are fixed on the embedded seats (32);

a plurality of through holes corresponding to the embedded bolts are formed in the rope seat (33); the embedded bolt moves to penetrate through the corresponding through hole and is fixedly screwed with a limit nut; the diameter of the limiting nut is longer than that of the through hole.