CN211818467U

CN211818467U - Combined tower cross arm

Info

Publication number: CN211818467U
Application number: CN202020288517.6U
Authority: CN
Inventors: 魏天勇; 李金荣
Original assignee: Hubei Jinde Source Electrical Equipment Co ltd
Current assignee: Hubei Jinde Source Electrical Equipment Co ltd
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-10-30
Anticipated expiration: 2030-03-10

Abstract

The utility model relates to a high-voltage line overhead transmission technical field, concretely relates to modular shaft tower cross arm, two semi-circular staple bolts including the symmetry setting, two semi-circular staple bolts can dismantle the connection, and all are provided with the link in the outside of two semi-circular staple bolts, and the outside correspondence of every link is provided with the steelframe subassembly, can dismantle between the steelframe subassembly and be connected with a plurality of wiring boards and be used for consolidating a plurality of spacing subassemblies of steelframe subassembly. An object of the utility model is to provide a modular shaft tower cross arm through set up the link on two semi-circular staple bolts, sets up the steelframe subassembly on the link, sets up a plurality of wiring boards between the steelframe subassembly and is used for a plurality of spacing subassemblies of fixed steelframe subassembly, has solved and has directly seted up connect the hole on the cross arm to influence cross arm strength ability performance, lead to the power transmission line to erect the shakiness and appear the technical problem that the cross arm fracture influences transmission line even.

Description

Combined tower cross arm

Technical Field

The utility model relates to a high-voltage line overhead transmission technical field, concretely relates to modular shaft tower cross arm.

Background

Along with the high-speed development of economy in China, electricity consumption in all parts of the country is greatly increased, the rapid expansion of high-voltage power transportation follows, and the conventional power transportation adopts a high-altitude overhead form, namely, a fixing device for supporting a wire is installed on a tower, so that the erection of the wire is realized. The fixing devices are different in installation, but most of the fixing devices are supported by the cross arm, the cross arm is fixed on a tower in a hoop mode, and the cross arm is provided with corresponding connecting through holes, so that one end of the insulator is fixed, and the other end of the insulator is used for connecting a power transmission line.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a modular shaft tower cross arm through set up the link on two semi-circular staple bolts, sets up the steelframe subassembly on the link, sets up a plurality of wiring boards between the steelframe subassembly and is used for a plurality of spacing subassemblies of fixed steelframe subassembly, has solved and has directly seted up connect the hole on the cross arm to influence cross arm strength ability performance, lead to the power transmission line to erect the shakiness and appear the technical problem that the cross arm fracture influences transmission line even.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a modular shaft tower cross arm, includes two semi-circular staple bolts that the symmetry set up, the connection can be dismantled to two semi-circular staple bolts, and all is provided with the link in the outside of two semi-circular staple bolts, and the outside correspondence of every link is provided with the steelframe subassembly, can dismantle between the steelframe subassembly and be connected with a plurality of wiring boards and be used for consolidating a plurality of spacing subassemblies of steelframe subassembly.

Further, the steel frame assembly comprises an upper steel frame and a lower steel frame which are arranged on the outer side of the connecting frame at intervals, a positioning block is fixedly connected between the upper steel frame and the lower steel frame, on one hand, the wiring board is conveniently arranged between the upper steel frame and the lower steel frame, and on the other hand, the structural stability of the upper steel frame and the lower steel frame in the same steel frame assembly is conveniently enhanced.

Furthermore, the wiring board is uniformly arranged between two upper steel frames and between two lower steel frames, and the wiring boards are arranged in parallel, so that the stress of the whole cross arm is better ensured to be more balanced, and the structure is firmer.

Further, spacing subassembly includes last spacing pole and the lower spacing pole that the interval set up, go up the spacing pole and locate between two last steelframes, the lower spacing pole is located between two lower steelframes, and goes up spacing pole and not coplanar with the lower spacing pole.

Furthermore, the vertical section of the connecting frame is in an H shape, and the semicircular anchor ear, the upper steel frame and the lower steel frame are respectively welded with the connecting frame.

Furthermore, a plurality of connecting through holes are correspondingly arranged on the wiring board and used for installing a supporting device convenient for erecting the power transmission line.

Compared with the prior art, a modular shaft tower cross arm, following beneficial effect has:

the utility model has the advantages that the cross arm is arranged into a structure comprising two semicircular hoops, so that the cross arm can be conveniently and effectively fixed on the tower; the connecting frames are respectively arranged at the outer sides of the two semicircular hoops, and the steel frame assembly is arranged at the far end of each connecting frame, so that the structural stability of the cross arm is guaranteed on the basis of expanding enough stringing space; the wiring boards are arranged among the steel frame assemblies, so that the multi-path power transmission lines can be conveniently erected on the cross arm of the same combined tower separately, and the problem that the power transmission lines are unstable in erection and even the power transmission lines are broken to influence the power transmission of the power transmission lines due to poor mechanical property of the steel frame assemblies because the power transmission lines are erected on the steel frame assemblies directly is solved; and through set up a plurality of spacing subassemblies between the steelframe subassembly, be convenient for fix two steelframe subassemblies better to avoid factors such as the traction force of power transmission line, external wind-force to influence the whole steadiness of combination formula shaft tower cross arm.

Drawings

Fig. 1 is a schematic top view of a cross arm of a combined tower according to an embodiment of the present invention;

fig. 2 is a schematic front view of a cross arm of a combined tower according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view at a-a in fig. 1.

Description of reference numerals: semicircular hoop 1, link 2, steel frame component 3, upper steel frame 301, lower steel frame 302, locating piece 303, wiring board 4, spacing subassembly 5, go up spacing pole 501, lower spacing pole 502, connect the through-hole 6.

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, an embodiment of the utility model is, a modular shaft tower cross arm, two semi-circular staple bolts 1 including the symmetry setting, two semi-circular staple bolts 1 pass through bolted connection's mode fixed mounting on the shaft tower, are provided with link 2 in two semi-circular staple bolts 1's the fixed link that is provided with in the outside, fixedly connected with steelframe subassembly 3 again in the outside of every link 2, and two synchronous symmetry settings of steelframe subassembly 3 make two semi-circular staple bolts 1 and the link 2 atress that corresponds even for avoid the modular shaft tower cross arm to appear crooked on the shaft tower.

Further, the steel frame assembly 3 includes an upper steel frame 301 and a lower steel frame 302 spaced apart from each other and disposed at the outer side of the connecting frame 2, and the upper steel frame 301 and the lower steel frame 302 may be disposed one at the upper end of the connecting frame 2 and the other at the lower end of the connecting frame 2, or disposed at the side of the distal end of the connecting frame 2 in an up-and-down manner, as shown in fig. 2, which is the case, a positioning block 303 is fixedly connected between the upper steel frame 301 and the lower steel frame 302 for preventing the upper steel frame 301 and the lower steel frame 302 from stress tilting, and for better fixedly connecting the steel frame assembly 3 to the corresponding connecting frame 2, the upper steel frame 301 and the lower steel frame 302 are respectively welded to the connecting frame 2, the positioning block 303 is also in a "T" shape as shown in fig. 2, wherein two ends of a horizontal section of the "T" shape structure are respectively welded to the upper steel frame 301 and the lower steel frame 302, and a, and in order to avoid current cross arm directly to punch on its body to be used for erectting the strutting arrangement fixed connection of power transmission line with insulator, gold utensil, ground wire post etc, the embodiment of the utility model provides a be between two last steelframe 301 of two steelframe subassemblies 3 and two down between the steelframe 302 through bolted connection's mode installation a plurality of wiring boards 4, figure 1 and figure 2 combine to show respectively to have the situation of two wiring boards 4 from top to bottom, and a plurality of connect the via hole 6 have been seted up on every wiring board 4 correspondingly, thereby make things convenient for preceding strutting arrangement's installation.

It should be noted that, in order to make the wiring board 4 connected between the upper steel frame 301 leave the appropriate distance than the wiring board 4 between the lower steel frame 302, thereby be convenient for each type strutting arrangement's installation, the upper portion welding of upper steel frame 301 next-door neighbour link 2, and lower steel frame 302 then next-door neighbour link 2's lower part welding, a plurality of wiring boards 4 that present upper and lower distribution can erect multichannel power transmission line according to actual need to electric power transmits from different directions, simultaneously, in order to make the atress of each wiring board 4 tend towards the balance, every wiring board 4 is equal parallel arrangement, thereby ensure the utility model discloses a modular shaft tower cross arm's inner structure is more firm, and the erection of power transmission line is also more firm.

In order to further strengthen the connection relationship between the two steel frame components 3, a plurality of limiting components 5 are evenly arranged between the two steel frame components 3, fig. 1 shows a case where there are two stopping assemblies 5, specifically, the stopping assemblies 5 include an upper stopping rod 501 and a lower stopping rod 502 which are arranged at intervals, the upper limiting rod 501 is arranged between the two upper steel frames 301, the lower limiting rod 502 is arranged between the two lower steel frames 302, in order to further ensure the stability between the upper steel frames 301 and the lower steel frames 302, the upper limiting rod 501 and the lower limiting rod 502 are arranged on different planes, i.e. the projection of the upper limiting rod 501 and the projection of the lower limiting rod 502 form a certain angle with respect to the same horizontal plane, in practice, the selection of the included angle depends on the spacing between the upper steel frames 301 and the lower steel frames 302 and the stress endurable cross section of the upper limiting rod 501 and the lower limiting rod 502.

As shown in fig. 1 and 3, ensure the utility model discloses on the firm basis of modular tower cross arm inner structure, set connecting frame 2 to the structure that its vertical cross-section is "H" shape, wherein, the one end of connecting frame 2 welds with corresponding semi-circular staple bolt 1, the other end of connecting frame 2 is the upper portion and the last steel frame 301 welding in the outside of connecting frame 2, the lower part and the lower steel frame 302 welding in the outside of connecting frame 2, and locating piece 303 is in with last steel frame 301 and lower steel frame 302 welding, the vertical section of its "T" shape structure then is the middle section part welding of "H" shape structure with connecting frame 2, the whole weight of modular tower cross arm is alleviateed in the purpose of this design to make things convenient for the staff to install, dismantle or change the cross arm more fast in reality.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The utility model provides a modular shaft tower cross arm which characterized in that: including two semi-circular staple bolts (1) that the symmetry set up, connection can be dismantled in two semi-circular staple bolts (1), and all be provided with link (2) in the outside of two semi-circular staple bolts (1), the outside correspondence of every link (2) is provided with steelframe subassembly (3), can dismantle between steelframe subassembly (3) and be connected with a plurality of wiring boards (4) and be used for consolidating a plurality of spacing subassemblies (5) of steelframe subassembly (3).

2. The combined tower cross arm as claimed in claim 1, wherein: the steel frame assembly (3) comprises an upper steel frame (301) and a lower steel frame (302) which are arranged on the outer side of the connecting frame (2) at intervals, and a positioning block (303) is fixedly connected between the upper steel frame (301) and the lower steel frame (302).

3. The combined tower cross arm as claimed in claim 2, wherein: the wiring boards (4) are uniformly arranged between the two upper steel frames (301) and between the two lower steel frames (302), and the wiring boards (4) are arranged in parallel.

4. The combined tower cross arm as claimed in claim 2, wherein: spacing subassembly (5) are including last spacing pole (501) and lower spacing pole (502) that the interval set up, go up spacing pole (501) and locate between two last steelframe (301), lower spacing pole (502) are located between two lower steelframe (302), and go up spacing pole (501) and lower spacing pole (502) not coplanar.

5. The combined tower cross arm as claimed in claim 2, wherein: the vertical section of the connecting frame (2) is H-shaped, and the semicircular anchor ear (1), the upper steel frame (301) and the lower steel frame (302) are respectively welded with the connecting frame (2).

6. The combined tower cross arm as claimed in any one of claims 3 to 5, wherein: the wiring board (4) is correspondingly provided with a plurality of connecting through holes (6), and the connecting through holes (6) are used for installing a supporting device convenient for power transmission line erection.