CN220928889U - Overhead double-transmission tower for cable - Google Patents

Abstract

The utility model discloses a cable overhead double-loop transmission pole tower which comprises a concrete foundation, a pole, L-shaped mounting seats and V-shaped supporting rods, wherein hoop rings are welded at two ends of each V-shaped supporting rod and sleeved on the pole, locking bolts are arranged on the hoop rings equidistantly through mounting holes, cross arms are welded at one sides of the V-shaped supporting rods, through holes are formed in the middle parts of the cross arms, the top ends of the poles are connected with stabilizing rings through connecting rods, and hanging rods are arranged at two ends of the bottom of each stabilizing ring and penetrate through the through holes. The novel bearing strength is high, the consumption of supporting part equipment can be reduced under the condition that the strength is met, so that the engineering investment is reduced, and the novel bearing strength is suitable for wide popularization and use.

Description

Overhead double-transmission tower for cable

Technical Field

The utility model relates to the technical field of double-transmission towers, in particular to a cable overhead double-transmission tower.

Background

The double-loop tower is a tower supporting a double-loop overhead transmission line, and a 500kV double-loop or multi-loop common tower is provided with a compact transmission line, so that the advantages of less line corridor occupancy rate and line landscape improvement are widely applied due to the high transmission capacity of the double-loop tower; in urban transmission line construction, the condition of converting an overhead line and an underground cable line is often involved, and the cable needs to be supported by a cable bracket and a plurality of post insulators to extend from the lower part of the tower to the tension-resistant string hanging point of the iron tower wire and then connected with the wire of the overhead line.

Patent publication number CN217783061U discloses a double-loop transmission tower, which comprises a first tower, a second tower and a plurality of cross arms, wherein one end of each cross arm is connected with the first tower, and the other end of each cross arm is connected with the second tower; two connecting rods are arranged between the first pole tower and the second pole tower in a crossing way, the top ends of the connecting rods are horizontally provided with connecting plates, and two ends of each connecting plate are respectively connected with the first pole tower and the second pole tower; lifting mechanisms are arranged on the connecting plates, and passages are reserved on two sides of each lifting mechanism. Compared with the prior art, the application has the outstanding characteristics that the double loops share one group of cross arms as the supports of the insulators and the wires, so that the wire arrangement mode is fully simplified, the space occupation of the wires is reduced, and the live working space is expanded.

The cable overhead double-transmission tower has the following defects: 1. the bearing strength is low, and the consumption of supporting part equipment cannot be reduced under the condition that the strength is satisfied, so that the engineering investment is reduced. For this purpose we propose a cable overhead double-loop transmission tower.

Disclosure of utility model

The utility model mainly aims to provide a cable overhead double-transmission tower which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

The utility model provides a cable overhead double-circuit transmission tower, includes concrete foundation, pole, L shape mount pad and V-arrangement bracing piece, two sets of the both ends of V-arrangement bracing piece all weld staple bolt ring and staple bolt ring cover and establish on the pole, the lock bolt is installed through the mounting hole to the equidistance on the staple bolt ring, the cross arm has all been welded to one side of V-arrangement bracing piece and has been seted up the through-hole in cross arm middle part, the top of pole is connected with the stabilizer ring through the contact bar, the bottom both ends of stabilizer ring are provided with jib and run through the through-hole.

Further, one end of the bottom of the cross arm is provided with a suspension insulator string through a bolt, the bottom of the suspension insulator string is provided with a suspension clamp through a bolt, the suspension clamp is used for connecting wires conveniently, and the suspension insulator string has an insulating isolation effect.

Further, the suspender is connected to the cross arm through the locking clamping sleeve, and the suspender is connected to the cross arm through the locking clamping sleeve, so that the stability of the cross arm and the inner wire body of the suspension clamp is further improved, and shaking is reduced.

Further, a concrete foundation is arranged at the bottom of the tower pole.

Further, a lightning arrester is arranged at the top of the tower pole through bolts.

Compared with the prior art, the utility model has the following beneficial effects:

1. According to the cable overhead double-circuit transmission pole tower, a stable triangular structure is formed between the V-shaped supporting rods and the pole, so that the bearing strength of the cross arm is greatly improved, and the hanging rod is connected to the cross arm through the locking clamping sleeve, so that the stability of the cross arm and the inner wire body of the suspension clamp is further improved, and shaking is reduced.

2. According to the overhead double-circuit transmission tower for the cable, the novel supporting mode can reduce the consumption of supporting part equipment under the condition of meeting the strength, so that the engineering investment is reduced, the hoop ring and the locking bolt are utilized to facilitate the installation and the disassembly, the height adjustment of the cross arm is convenient, and different use requirements are met.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a cable overhead double-transmission tower according to the present utility model.

Fig. 2 is a bottom view of a cable overhead double-loop transmission tower of the present utility model.

Fig. 3 is a schematic view of a through-hole structure of a cable overhead double-transmission tower according to the present utility model.

In the figure: 1. a stabilizing ring; 2. a tie bar; 3. a lightning arrester; 4. a hoop ring; 5. a V-shaped support rod; 6. a cross arm; 7. suspending the insulator string; 8. a suspension clamp; 9. a boom; 10. locking the clamping sleeve; 11. a locking bolt; 12. a tower pole; 13. a concrete foundation; 14. and a through hole.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-3, a cable overhead double-loop transmission pole tower comprises a concrete foundation 13, a pole 12, an L-shaped mounting seat and V-shaped supporting rods 5, wherein two groups of the V-shaped supporting rods 5 are welded with anchor ear rings 4 at two ends and sleeved on the pole 12, locking bolts 11 are installed on the anchor ear rings 4 equidistantly through mounting holes, one side of each V-shaped supporting rod 5 is welded with a cross arm 6, a through hole 14 is formed in the middle of the cross arm 6, the top end of each pole 12 is connected with a stabilizing ring 1 through a tie rod 2, and hanging rods 9 are arranged at two ends of the bottom of each stabilizing ring 1 and penetrate through the through holes 14.

The bottom end of the cross arm 6 is provided with a suspension insulator string 7 through a bolt, and the bottom of the suspension insulator string 7 is provided with a suspension clamp 8 through a bolt.

In this embodiment, as shown in fig. 1, the suspension clamp 8 is used to facilitate connection of wires and the suspension insulator string 7 has an insulating effect.

Wherein the suspender 9 is connected to the cross arm 6 through a locking clamping sleeve 10.

In this embodiment, as shown in fig. 1, the boom 9 is connected to the cross arm 6 through the locking ferrule 10, so as to further improve the stability of the cross arm 6 and the wire body in the suspension clamp 8, and reduce the shake.

Wherein, the bottom of the tower pole 12 is provided with a concrete foundation 13.

In this embodiment, as shown in fig. 1, stability of the tower 12 is improved.

Wherein, the top of the tower pole 12 is provided with a lightning arrester 3 through bolts.

In this embodiment, as shown in fig. 1, the lightning arrester 3 is grounded and then plays a role in lightning protection.

It should be noted that, the utility model is a cable overhead double-loop transmission pole tower, when in use, a stable triangle structure is formed between the V-shaped supporting rod 5 and the tower pole 12, the bearing strength of the cross arm 6 is greatly improved, the suspender 9 is connected to the cross arm 6 through the locking clamping sleeve 10, the stability of the cross arm 6 and the inner wire body of the suspension clamp 8 is further improved, shaking is reduced, the novel supporting mode can reduce the consumption of supporting part equipment under the condition of meeting the strength, thereby reducing engineering investment, and the hoop ring 4 and the locking bolt 11 are convenient to install and detach and convenient to adjust the height of the cross arm 6, so as to meet different use requirements.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a cable overhead double-circuit transmission tower, includes concrete foundation (13), tower pole (12), L shape mount pad and V-arrangement bracing piece (5), its characterized in that: two sets of both ends of V-arrangement bracing piece (5) have all welded staple bolt ring (4) and staple bolt ring (4) cover and establish on pole (12), locking bolt (11) are installed through the mounting hole to the equidistance on staple bolt ring (4), through-hole (14) have all been seted up in one side of V-arrangement bracing piece (5) welding cross arm (6) and cross arm (6) middle part, the top of pole (12) is connected with stable ring (1) through linking up tie rod (2), the bottom both ends of stable ring (1) are provided with jib (9) and jib (9) run through-hole (14).

2. The overhead double-loop transmission tower of claim 1, wherein: one end of the bottom of the cross arm (6) is provided with a suspension insulator string (7) through a bolt, and the bottom of the suspension insulator string (7) is provided with a suspension clamp (8) through a bolt.

3. The overhead double-loop transmission tower of claim 1, wherein: the suspender (9) is connected to the cross arm (6) through a locking clamping sleeve (10).

4. The overhead double-loop transmission tower of claim 1, wherein: the bottom of the tower pole (12) is provided with a concrete foundation (13).

5. The overhead double-loop transmission tower of claim 1, wherein: the top of the tower pole (12) is provided with a lightning arrester (3) through bolts.