CN203175134U - Truss used for lifting electric transmission line tower connecting legs - Google Patents

Abstract

The utility model relates to a truss, in particular to a truss for raising transmission line tower legs, which belongs to the field of electric power system devices, and includes an installation foundation platform, and is characterized in that it also includes four supporting beams, four supporting beams The end-to-end connection forms a square structure, and the supporting base is installed at the intersection of two adjacent supporting beams, the main material angle steel is installed at the lower end of the supporting base, the fixed base is installed at the lower end of the main material angle steel, and the fixed base is installed on the installation foundation platform. The utility model not only solves the operation distance limit problem of the tower in the channel of the original transmission line, but also ensures the safe operation of the line, and increases the height on the basis of the pile position of the original transmission line tower, without the need to requisition the land to change the path, and increase the cost to produce a new The transmission line tower is easy to erect and operate, saves time and effort, and can be operated safely. The erection construction method is simple and reliable, the erection difficulty is small, the flexibility is good, and the practicability is strong.

Description

Trusses for raising transmission line tower legs

technical field

The utility model relates to a truss, in particular to a truss for raising the legs of transmission line towers, which belongs to the field of power system devices and is mainly used for raising power transmission line towers. the

Background technique

At present, due to the gradual increase in the height of buildings, roads, and railways in urbanization construction in many areas, the distance to the ground and the limit distance of the original transmission line tower are not enough, and they need to be raised. However, the size and span of transmission line towers must meet certain requirements. Necessary minimum safety distances should be maintained between buildings, ground, roads and other overhead lines, and between conductors and lightning conductors. For transmission line towers, it is very difficult to determine the location where land resources are tight. If new transmission line towers are replaced at the original location, due to the large number of transmission line towers, wide distribution, complex and changeable natural conditions and terrain conditions, it is not conducive to the use of large-scale transmission line towers. Equipment transportation and erection are time-consuming and labor-intensive, increasing costs. the

Utility model content

According to the deficiencies of the prior art above, the technical problem to be solved by the utility model is: to provide a truss for raising transmission line tower legs with simple and reasonable structure, low cost, convenient operation, time-saving and labor-saving, and safe operation . the

The technical scheme that the utility model solves its technical problem adopts is:

The truss for raising transmission line tower legs includes an installation foundation platform, and is characterized in that it also includes four support beams, the four support beams are connected end to end to form a square structure, and the two adjacent support beams The supporting base is installed at the intersection, the main material angle steel is installed at the lower end of the supporting base, the fixed base is installed at the lower end of the main material angle steel, and the fixed base is installed on the installation foundation platform. the

The truss used to lift the tower legs of the transmission line is used to lift and heighten the original pile position of the tower legs of the transmission line, which solves the problem of the size and span of the tower legs of the erection of a new transmission line, and ensures that the line The operation safety distance is improved on the basis of the original transmission line tower, no land occupation and green compensation are required, and additional cost is added to excavate the foundation pit and foundation pouring of the new transmission line tower. The structure is simple and reasonable, the erection operation is convenient, time-saving and labor-saving, safe operation. the

The preferred options are:

The support base includes a base steel plate and two vertically interlaced fixed stiffened steel plates, the fixed stiffened steel plate is arranged vertically to the base steel plate, and ○-shaped round holes are arranged on the two fixed stiffened steel plates. the

The two sides of the main material angle steel form an angle of 90 degrees, and the upper and lower parts of the two sides of the main material angle steel are provided with ○-shaped round holes. Corresponding to the hole;

The structure of the support base is the same as that of the fixed base, and the mirror image structure is installed at both ends of the main material angle steel. the

The size of the supporting steel plate supporting the base is designed to be the same as the bottom supporting plate of the original transmission line tower leg, which is convenient for the transmission line tower to be stable and easy to install. Two vertically staggered fixed stiffening steel plates are set and the two sides are at an angle of 90 degrees. Corresponding to the angle steel of the main material, it is easy to install and has good stability. The structure of the fixed base is the same as that of the support base. The fixed base is connected with the installation base. Easy installation and high practicability. the

The middle positions of the four supporting beams are provided with connecting plates, the connecting plates are connected to one end of the first reinforced angle steel oblique material, and the other end of the first reinforced angle steel oblique material is connected to the fixed base. Enhance the stability of the sides of the truss. the

The middle of the first reinforced angle steel oblique material is arranged to connect one end of the second reinforced angle steel oblique material and the third reinforced angle steel oblique material, the other end of the second reinforced angle steel oblique material is connected with the middle position of the main material angle steel, and the third The other end of the reinforcement angle steel slant is connected to the support base. the

The middle positions of the two first reinforcement angle steel slant materials adjacent to both sides of the main material angle steel are fixedly connected by the fourth reinforcement angle steel slant material. Enhance the overall stability of the truss. the

The middle positions of every two adjacent support beams of the four support beams are fixedly connected by the fifth reinforcement angle steel oblique material. Enhanced stability. the

The upper and lower ends of the two sides of the main material angle steel at an angle of 90 degrees are provided with ○-shaped round holes, and the fixed stiffening steel plates of the supporting base and the fixed base are provided with ○-shaped round holes, and the ○-shaped round holes of the main material angle steel The circular holes correspond to the ○-shaped circular holes of the support base and the fixed base, and the main material angle steel, the support base and the fixed base are fixed as a whole by bolts and nuts passing through the ○-shaped circular holes. Easy installation and strong practicability. the

The main material angle steel is provided with a ground electrode connecting plate and climbing nails. Enhanced safety for easy climbing. the

The beneficial effect of the utility model is: the truss used for lifting the tower leg of the transmission line is mainly used for lifting and heightening the original pile position of the tower leg of the transmission line, which ensures the safe distance of the line operation, and in the original There is no need to occupy land and pay for the elevation of the foundation of the transmission line tower, and the additional cost is increased to excavate the foundation pit and foundation pouring of the new transmission line tower. The structure is simple and reasonable, the erection is convenient, time-saving and labor-saving, and safe operation. In the method for erecting the trusses for lifting the tower legs of the transmission line, after the new trusses are erected and assembled, they can be directly connected to the legs of the towers of the original transmission lines, or the base feet of the towers of the original transmission lines can be installed first. The bolts are removed, and then the original transmission line tower with the base is hoisted as a whole and connected. The erection method described is simple in implementation, less difficult in erection, good in flexibility and strong in practicability. the

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is a top view of the utility model;

Fig. 3 is the structural representation of main support bar of the present utility model;

Among them: 1. Installation foundation platform 2, fixed base 3, main material angle steel 4, support base 5, support horizontal material 6, base steel plate 7, fixed stiffening steel plate 8, third reinforced angle steel oblique material 9, connecting plate 10 , the 4th reinforcement angle steel slant material 11, the second reinforcement angle steel slant material 12, the first reinforcement angle steel slant material 13, the 5th reinforcement angle steel slant material 14, the ground pole connecting plate 15, climbing nails. the

Detailed ways

Embodiments of the utility model are further described below in conjunction with the accompanying drawings:

Example 1:

As shown in Figure 1, the truss used to raise the tower leg of the transmission line includes the installation foundation platform 1, and is characterized in that it also includes four support beams 5, and the four support beams 5 are connected end to end to form a square structure, adjacent A support base 4 is installed at the intersection of the two support beams 5, the main material angle steel 3 is installed at the lower end of the support base 4, the fixed base 2 is installed at the lower end of the main material angle steel 3, and the fixed base 2 is installed on the installation base 1. the

The support base 4 includes a base steel plate 6 and two vertically staggered fixed stiffened steel plates 7, the fixed stiffened steel plate 7 is arranged vertically to the base steel plate 6, and ○-shaped round holes are arranged on the two fixed stiffened steel plates 7;

The two sides of the main material angle steel 3 form an angle of 90 degrees, and the upper and lower parts of the two sides of the main material angle steel 3 are provided with ○-shaped round holes. Corresponding to the ○-shaped round hole;

The structure of the support base 4 is the same as that of the fixed base 2 , and the mirror image structure is installed at both ends of the main material angle steel 3 . the

The truss used to lift the tower legs of the transmission line is used to raise the tower legs of the transmission line in situ (pile position), which solves the problem of the size and span of the tower legs of the new transmission line, and ensures The safe distance of line operation is improved on the basis of the original transmission line tower, no land occupation and green compensation are required, and additional costs are increased to excavate the new transmission line tower foundation pit and foundation pouring, the structure is simple and reasonable, the erection operation is convenient, time-saving and labor-saving ,safe operation. the

The size of the design of the base is the same as that of the bottom base of the original transmission line tower, which is convenient for the stability of the transmission line tower legs and easy installation. Two vertically staggered fixed stiffening steel plates and steel plates with a 90-degree angle on both sides correspond to each other. Convenient, good stability, the structure of the fixed base is the same as that of the supporting base, the steel plate of the fixed base is connected with the installation base, the fixed steel plate of the fixed base can be easily connected and fixed with the main material, the structure design is typical, simple and reasonable, Easy installation and high practicability. the

Example 2:

As shown in Fig. 1, Fig. 2 and Fig. 3, on the basis of Embodiment 1, the middle positions of the four supporting beams 5 are all provided with connecting plates 9, and the connecting plates 9 are connected to one end of the first reinforced angle steel slanting material 12, The other end of the first reinforcing angle steel oblique material 12 is connected to the fixed base 2 . the

Example 3:

As shown in Fig. 1, Fig. 2 and Fig. 3, on the basis of Embodiment 1 and Embodiment 2, the middle of the first reinforcement angle steel oblique material 12 is arranged to connect the second reinforcement angle steel oblique material 11 and the third reinforcement angle steel One end of the oblique material 8 and the other end of the second reinforcement angle steel oblique material 11 are connected to the middle position of the main material angle steel 3 , and the other end of the third reinforcement angle steel oblique material 8 is connected to the supporting base 4 . the

The middle positions of the two first reinforcement angle steel slant materials 12 adjacent to both sides of the main material angle steel 3 are fixedly connected by the fourth reinforcement angle steel slant material 10 . the

Every adjacent two support beams 5 intermediate positions of the four support beams 5 are fixedly connected by the fifth reinforcement angle steel slanting material 13. the

The upper and lower ends of the two sides of the main material angle steel 3 at an angle of 90 degrees are provided with ○-shaped round holes, and the fixed stiffening steel plate 7 of the support base 4 and the fixed base 2 is provided with ○-shaped round holes. The ○-shaped round hole of the angle steel 3 corresponds to the ○-shaped round hole of the support base 4 and the fixed base 2, and the main material angle steel 3, the support base 4 and the fixed base 2 pass through the bolts and nuts passing through the ○-shaped round hole Fixed as one. The main material angle steel 3 is provided with a grounding pole connecting plate 14 and climbing nails 15 . the

Effect:

The truss used for raising and heightening the legs of transmission line towers solves the problem of the size and span of erecting new transmission line towers, ensures a safe distance for line operation, and raises the transmission line tower on the basis of the original transmission line tower. It requires land occupation and compensation, and additional cost is required to excavate the new transmission line tower foundation pit and foundation pouring. The structure is simple and reasonable, the erection is convenient, time-saving and labor-saving, and safe operation. In the method for erecting the trusses for lifting the tower legs of the transmission line, after the new trusses are erected and assembled, they can be directly connected to the legs of the towers of the original transmission lines, or the base feet of the towers of the original transmission lines can be installed first. The bolts are removed, and then the original transmission line tower with the base is hoisted as a whole and connected. The erection method described is simple in implementation, less difficult in erection, good in flexibility and strong in practicability. the

In the erection and assembly construction method of the truss used for lifting and heightening the tower legs of the transmission line, the original transmission line tower can be directly erected on the supporting base after the truss is erected, or the base can be erected on the original transmission line tower first. Line tower, then assemble and erect the fixed base and main material, then lift the original transmission line tower with supporting base, and assemble it. The erection construction method described is simple to implement, less difficult to erect, good in flexibility and practical Strong. the

When the above-mentioned truss platform section for lifting and heightening transmission line tower legs is assembled, the iron parts on the tower are all galvanized. run requirements. the

Claims (8)

1. A truss for raising transmission line tower legs, including the installation base (1), characterized in that it also includes four support beams (5), and the four support beams (5) are connected end to end to form a square Structure, the support base (4) is installed at the intersection of two adjacent support beams (5), the main material angle steel (3) is installed at the lower end of the support base (4), and the fixed base (3) is installed at the lower end of the main material angle steel (3) 2), the fixed base (2) is installed on the installation base (1). 2. The truss for raising transmission line tower legs according to claim 1, characterized in that: the support base (4) includes a base steel plate (6) and two vertically staggered joints The fixed stiffened steel plate (7), the fixed stiffened steel plate (7) is set vertically to the base steel plate (6), and the two fixed stiffened steel plates (7) are provided with ○-shaped round holes; The two sides of the main material angle steel (3) form an angle of 90 degrees, and the upper and lower parts of the two sides of the main material angle steel (3) are provided with ○-shaped round holes, and the ○-shaped round holes on the fixed stiffening steel plate (7) are connected with the The ○-shaped round holes on both sides of the main material angle steel (3) correspond to each other; The structure of the support base (4) is the same as that of the fixed base (2), and the mirror image structure is installed at both ends of the main material angle steel (3). 3. The truss for raising transmission line tower legs according to claim 1, characterized in that: the middle positions of the four supporting beams (5) are provided with connecting plates (9), and the connecting plates (9) One end of the first reinforcement angle steel oblique material (12) is connected, and the other end of the first reinforcement angle steel oblique material (12) is connected with the fixed base (2). 4. The truss for raising transmission line tower legs according to claim 3, characterized in that: the middle of the first reinforced angle steel oblique material (12) is connected to the second reinforced angle steel oblique material (11) and one end of the third reinforcement angle steel oblique material (8), the other end of the second reinforcement angle steel oblique material (11) is connected with the middle position of the main material angle steel (3), and the other end of the third reinforcement angle steel oblique material (8) Attach the support base (4). 5. The truss for raising transmission line tower legs according to claim 1, characterized in that: two first reinforcement angle steel oblique materials (12) adjacent to both sides of the main material angle steel (3) The middle position is fixedly connected by the fourth reinforcement angle steel oblique material (10). 6. The truss for raising transmission line tower legs according to claim 1, characterized in that: the middle positions of every two adjacent support beams (5) of the four support beams (5) pass through The fifth reinforcement angle steel oblique material (13) is fixedly connected. 7. The truss for raising transmission line tower legs according to claim 1, characterized in that: the upper and lower ends of the two sides of the main material angle steel (3) at an angle of 90 degrees are provided with ○-shaped The round hole, the support base (4) and the fixed stiffened steel plate (7) of the fixed base (2) are provided with a ○-shaped round hole, the ○-shaped round hole of the main material angle steel (3) and the support base (4) and The ○-shaped round hole of the fixed base (2) is corresponding, and the main material angle steel (3), the support base (4) and the fixed base (2) are fixed as a whole by bolts and nuts passing through the ○-shaped round hole. 8. The truss for raising transmission line tower legs according to claim 1, characterized in that: the main material angle steel (3) is provided with grounding pole connecting plates (14) and climbing nails (15).

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