CN204645793U - A kind of emergent repairing tower of transmission line of electricity - Google Patents

Abstract

The utility model relates to a kind of emergent repairing tower of transmission line of electricity, and described emergent repairing tower comprises the pillar tower body and tower seat that are made up of modular tower section; Described tower seat comprises del tower section and column foot; Described column foot comprises the hinged-support be connected with described triangle tower section and the basis fixed by connector and ground.A kind of transmission line of electricity emergent repairing tower that the utility model provides has the advantage of highly versatile, applied range and transport easy construction.

Description

A repair tower for transmission lines

technical field

The utility model relates to an electric power construction tool, in particular to a repair tower for a power transmission line.

Background technique

Electricity is an important energy source related to the national economy and people's livelihood, and it has the characteristics of instant. Once the transmission line is damaged and the transmission is interrupted, it will cause huge economic losses and serious social impact. The degree of damage to transmission towers caused by extreme weather has long attracted people's attention. Collapses and damages have occurred from time to time, resulting in the need to rebuild lines. In the case of lines crossing regional roads or buildings, emergency repairs are often required in order to reduce economic losses. Temporary support structures such as towers.

The application environment of the emergency repair tower is complex and changeable, and it is not standardized. The terrain conditions are complex, which may be plains, hills, or mountains, or both, which makes the transportation and installation of equipment difficult, especially in mountains, where vehicles cannot be transported, and sometimes they can only be transported by manpower; second, geological The conditions vary greatly, which may be soft soil, hard soil, gravel or rock, resulting in different bearing capacity of the foundation; third, the voltage level of the transmission line is different, which may be 220kV, 330kV, 500kV, 800kV or 1000kV, etc., so the load size and conduction The height of the ground wire varies greatly; fourth, the number of loops of the transmission line is different, and the number of phases of the ground wire is different. The existing emergency repair towers are usually designed for specific conditions, have poor versatility and narrow application range, resulting in the need to produce many different types of emergency repair towers, and the production cost is high.

Therefore, it is necessary to provide an emergency repair tower for transmission lines with strong versatility, strong adaptability, wide application range, low production cost and convenient installation.

Utility model content

The above-mentioned problems to be solved are achieved by the following technical solutions: provide an emergency repair tower for transmission lines, the emergency repair tower includes a column tower body and a tower base composed of modular tower sections;

The tower base includes an inverted triangular tower section and a tower base;

The tower base includes a hinged support connected with the triangular tower section and a foundation fixed to the ground by connecting pieces.

The cross-section of the tower section is polygonal, and the longitudinal section is a triangular frame structure composed of uprights and oblique rods, and the oblique rods and uprights are detachable movable connectors.

The tower sections are fixed by a fixing member perpendicular to the axial direction of the tower section and provided with connecting holes parallel to the axial direction;

The fixing part is a square piece composed of four angle steels connected end to end; the two limb surfaces of the angle steel are respectively limb surface one arranged perpendicular to the axial direction and limb surface two arranged parallel to the axial direction; Bolt holes perpendicular to the surfaces of the two limbs are provided.

A stay-wire hanging plate is arranged between two adjacent fixing parts; a downward-bending bent plate is arranged around the stay-wire hanging plate, and a stay-wire hole vertically arranged on the bent plate is arranged on the surface thereof.

The fixing part is provided with a connecting plate parallel to the axial direction; the central position of the connecting plate is provided with a connecting part 1 perpendicular to its surface and connected with a connecting insulator string;

The tower section and the insulator strings form a triangle.

The inverted triangular tower section has a polygonal cross section and a triangular frame structure composed of upright columns and oblique bars in the longitudinal section;

The upper end of the inverted triangular tower section is provided with a hollow square plate connected with the tower section, and the lower end is provided with a disc-shaped connecting plate.

The hinge support includes a platform and a base connected by pin shafts;

The platform includes a connecting plate 1 connected to the bottom surface of the disc-shaped connecting plate and a triangular bearing plate 1 perpendicular to the lower surface of the connecting plate;

The base includes a connecting plate 2 and a triangular bearing plate 2 perpendicular to the upper surface of the connecting plate 2; a stiffening plate is arranged between the connecting plate 2 and the triangular bearing plate 2.

The foundation includes a connection plate 3 connected to the bottom surface of the connection plate 2 and a base chassis fixed on the ground;

A neck plate perpendicular to the first two and having a square cross-section is provided between the connecting plate three and the basic chassis; the four vertices of the neck plate are respectively provided with triangular ribs connecting the basic chassis.

The guy wire hole is provided with a guy wire connecting the adjacent repair towers.

The material of the emergency repair tower is Q420, Q460 or Q690 steel, or 6061, 2A12, 7A04 or 7075 aluminum alloy, or glass fiber reinforced plastic.

Compared with the closest prior art, the technical solution provided by the utility model has the following beneficial effects:

1. The emergency repair tower provided by this application is suitable for various voltage levels, weather conditions, spans, terrain and other factors; it is almost not restricted by any external application conditions, and has the advantages of strong versatility, less engineering and investment, and high efficiency .

2. The main bearing structure of the emergency repair tower provided by this application is composed of tower sections, which can be assembled to the required height according to actual requirements, so it has strong versatility and interchangeability.

3. The guyboard with special structure provided by this application can realize the mounting of guy wires and insulator strings in all directions, and can meet the different mounting requirements of insulator strings of straight towers and corner towers at the same time, improving the application range of emergency repair towers.

4. The guy plate with special structure provided by this application can mount guy wires or insulator strings of different heights and different orientations, and evenly transfer the load to the tower body, so that it can be stressed as a whole, avoiding local stress concentration and complex stress distribution on the tower body .

5. The emergency repair tower provided by this application has good versatility, and the tower type is reduced, thereby reducing the planning, design, test, processing, spare parts, and maintenance costs of the emergency repair tower type.

6. The emergency repair tower provided by this application has good versatility and module interchangeability, which can realize cross-regional transportation, reduce the reserve of emergency repair equipment, and improve the emergency repair capacity.

7. The emergency repair tower provided by this application adopts a modular design, which improves the transportation and assembly efficiency of the emergency repair system, saves construction time and cost, and achieves the purpose of shortening the power-off time.

8. The fixing piece provided by this application for connecting two adjacent tower sections allows the two opposite tower sections to share the load together, increasing the torsional and shear rigidity of the structure.

9. The hinge support provided by this application can rotate around its axial direction to realize the purpose of adjusting the direction of the tower body according to the site conditions of the tower assembly and the direction of the line.

10. The hinge support provided by this application can rotate around the pin shaft perpendicular to its axial direction, so that the rear of the tower can be assembled on the ground and erected as a whole.

11. The emergency repair tower provided by this application does not need to dig and pour the foundation, which saves construction time and labor costs, and shortens the power outage time.

12. The emergency repair tower provided by this application is equipped with a connecting plate, so that all the stay wires and insulator strings act directly on the plate, so that the forces in different directions can be balanced and offset each other, and the load is transmitted to the tower body through the connecting plate, so that Its overall stress avoids local stress concentration and simplifies stress distribution.

Description of drawings

Fig. 1 is the front view of the emergency repair tower provided by the utility model;

Fig. 2 is the tower section structure schematic diagram that the utility model provides;

Figure 3 is a schematic diagram of the assembly of tower sections and insulator strings provided by the utility model;

Fig. 4 is the partial structure schematic diagram of tower section that the utility model provides;

Fig. 5 is the schematic diagram of the structure of the backguy hanging plate provided by the utility model;

Fig. 6 is the structural representation of the inverted triangle tower section provided by the utility model;

Fig. 7 is the schematic diagram of the structure of the hinge support provided by the utility model;

Figure 8 is a schematic diagram of the basic structure provided by the utility model;

Among them, 1—tower section, 2—column tower body, 3—inverted triangle tower section, 4—hinge support, 5—foundation, 6—column, 7—slanting bar, 8—fixing piece, 9—basic chassis, 10—Neck plate, 11—Guard wire hanging plate, 12—Connecting plate, 13—Insulator string, 14—Hollow square plate, 15—Disc-shaped connecting plate, 16—Platform, 17—Base, 18—Connecting plate 1, 19 —triangular bearing plate one, 20—connection plate two, 21—triangular bearing plate two, 22—connection plate three, 23—tower seat, 24—tower base, 25—connector one.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Example 1:

An emergency repair tower for a power transmission line, the emergency repair tower includes a column tower body 2 and a tower base 23 composed of modular tower sections 1;

The tower base 23 includes an inverted triangular tower section 3 and a tower base 24;

The tower base 24 includes a hinged support 4 connected to the triangular tower section 3 and a foundation 5 fixed to the ground by connecting pieces.

The cross-section of the tower section 1 is polygonal, and the longitudinal section is a triangular frame structure composed of uprights 6 and oblique rods 7. The oblique rods 7 and uprights 6 are detachable movable connectors.

The tower sections 1 are fixed by a fixing member 8 perpendicular to the axial direction of the tower section 1 and provided with connecting holes parallel to the axial direction;

The fixing part 8 is a square piece composed of four angle steels connected end to end; the two limb surfaces of the angle steel are respectively the limb surface 1 perpendicular to the axial direction and the limb surface 2 parallel to the axial direction. ; The two limb surfaces are provided with bolt holes perpendicular to their surfaces.

A stay-wire hanging plate 11 is arranged between two adjacent fixing parts 8; a downward-curved bent plate is arranged around the stay-wire hanger 11, and a stay-wire hole perpendicular to the surface of the bent plate is provided on the bent plate.

The fixing member 8 is provided with a connecting plate 12 arranged parallel to the axial direction; the central position of the connecting plate 12 is provided with a connecting piece 125 perpendicular to its surface and connected to the connecting insulator string 13;

The tower section 1 and the insulator string 13 enclose a triangle.

The inverted triangular tower section 3 has a polygonal cross section and a triangular frame structure composed of columns 6 and oblique bars 7 in longitudinal section;

The upper end of the inverted triangular tower section 3 is provided with a hollow square plate 14 connected with the tower section 1 , and the lower end is provided with a disc-shaped connecting plate 15 .

The hinge support 4 includes a platform 16 and a base 17 connected by pin shafts;

Described platform 16 comprises the connecting plate one 18 that is connected with the bottom surface of described disc-shaped connecting plate 15 and the triangular bearing plate one 19 perpendicular to the lower surface of described connecting plate one 18;

The base 17 includes a connecting plate 20 and a triangular bearing plate 2 21 perpendicular to the upper surface of the connecting plate 20; a stiffening plate is provided between the connecting plate 20 and the triangular bearing plate 21.

The foundation 5 includes a connection plate three 22 connected to the bottom surface of the connection plate two 20 and a base chassis 9 fixed on the ground;

Between the connecting plate 3 22 and the basic chassis 9, a neck plate 10 perpendicular to the first two and having a square cross section is provided; the four vertices of the neck plate 10 are respectively provided with triangular ribs connecting the basic chassis 9 plate.

The guy wire hole is provided with a guy wire connecting the adjacent repair towers.

The material of the emergency repair tower is Q420, Q460 or Q690 steel, or 6061, 2A12, 7A04 or 7075 aluminum alloy, or glass fiber reinforced plastic.

When the transmission tower is damaged, it is necessary to use the emergency repair tower. Combine the modularized tower sections 1 as required, and fix the guy wires in the guy wire holes of the guy wire hanging plate 11 , and fix the insulator strings 13 on the connecting plate 12 . The inverted triangular tower section 3, the hinge support 4 and the foundation 5 are sequentially installed at the lower end of the column tower body 2 combined by the tower section 1. After completing the assembly of the emergency repair tower, the emergency repair tower is erected by the pin shaft arranged on the hinge support 4 .

The above embodiments are only used to illustrate the technical solutions of the present utility model and not to limit it. Although the utility model has been described in detail with reference to the above examples, those of ordinary skill in the art can still modify the specific implementation of the present utility model Or equivalent replacements, and any modifications or equivalent replacements that do not depart from the spirit and scope of the present invention are within the protection scope of the claims of the pending application of the present invention.

Claims (10)

1. A repair tower of power transmission line, said repair tower comprises a column tower body (2) and tower base (23) made up of modularized tower sections (1) and is characterized in that: The tower base (23) includes an inverted triangular tower section (3) and a tower base (24); The tower base (24) includes a hinged support (4) connected to the triangular tower section (3) and a foundation (5) fixed to the ground by connecting pieces. 2. The emergency repair tower as claimed in claim 1, characterized in that, said tower section (1) cross-section is polygonal, and the longitudinal section is a triangular frame structure composed of uprights (6) and oblique bars (7), said The oblique rod (7) and the column (6) are detachable movable connectors. 3. The emergency repair tower as claimed in claim 2, characterized in that, the tower sections (1) are perpendicular to the axial direction of the tower section (1) and are provided with a connection parallel to the axial direction. The fixture (8) of the hole is fixed; Described fixing part (8) is the square part that is formed by connecting end to end of four angle steels; The two leg faces of described angle steel are respectively the leg face one that is arranged vertically with described axial direction and the leg face that is arranged parallel with described axial direction. Surface two; the two limb surfaces are provided with bolt holes perpendicular to the surface. 4. The emergency repair tower as claimed in claim 3, characterized in that, a backguy hanging board (11) is provided between two adjacent said fixing parts (8); said backguy hanging board (11) is provided with A bent plate bent downwards, the said bent plate is provided with a pull wire hole perpendicular to its surface. 5. The emergency repair tower as claimed in claim 3, characterized in that, said fixing member (8) is provided with a connecting plate (12) arranged parallel to said axial direction; said connecting plate (12) center position is set There is a connector one (25) perpendicular to its surface and connected to the connecting insulator string (13); The tower section (1) and the insulator string (13) form a triangle. 6. The emergency repair tower as claimed in claim 1, characterized in that, the inverted triangular tower section (3) is a polygonal cross section, and the longitudinal section is a triangular frame structure composed of uprights (6) and oblique bars (7) ; The upper end of the inverted triangular tower section (3) is provided with a hollow square plate (14) connected to the tower section (1), and the lower end is provided with a disc-shaped connecting plate (15). 7. The emergency repair tower as claimed in claim 6, characterized in that, the hinged support (4) comprises a platform (16) and a base (17) connected by pin shafts; The platform (16) includes a connecting plate one (18) connected to the bottom surface of the disc-shaped connecting plate (15) and a triangular bearing plate one (19) perpendicular to the lower surface of the connecting plate one (18); Described base (17) comprises connecting plate two (20) and the triangular carrying plate two (21) that is vertically arranged with described connecting plate two (20) upper surface; Described connecting plate two (20) and triangular carrying plate two ( 21) Stiffeners are provided between them. 8. The emergency repair tower as claimed in claim 7, characterized in that, said foundation (5) comprises a connection plate three (22) connected to the bottom surface of said connection plate two (20) and a base chassis ( 9); A neck plate (10) perpendicular to the former two and having a square cross-section is provided between the connection plate three (22) and the basic chassis (9); the four vertices of the neck plate (10) are respectively provided with connecting The triangular ribs of the basic chassis (9). 9 . The emergency repair tower according to claim 4 , wherein a guy wire connecting adjacent said emergency repair towers is arranged in said guy wire hole. 10 . 10. The emergency repair tower according to claim 1, characterized in that, the material of the emergency repair tower is Q420, Q460 or Q690 steel, or 6061, 2A12, 7A04 or 7075 aluminum alloy, or glass fiber reinforced plastic .