CN218347027U - Single-loop door-shaped steel pipe tower for continuous drilling and crossing of line - Google Patents

Abstract

The utility model provides a single-circuit door-shaped steel pipe pole tower for line continuous drilling and crossing, which belongs to the technical field of single-circuit door-shaped steel pipe pole type design, and comprises a single-circuit door-shaped steel pipe pole, a ground wire cross arm, an upper cross arm, a middle cross arm and a lower cross arm which are arranged in sequence, wherein the upper cross arm is provided with a first strain fitting string, the middle cross arm is provided with a post insulator, and the lower cross arm is provided with a second strain fitting string; stride across the side wire and erect on the upper cross arm through first strain insulator gold utensil cluster, bore cross the side wire and erect on the lower floor cross arm through second strain insulator gold utensil cluster, be equipped with on the post insulator around jumping the wire, connect first strain insulator gold utensil cluster around jumping the upper end of wire, connect second strain insulator gold utensil cluster around jumping the lower extreme of wire. The utility model discloses be door type framework, the staggered floor that utilizes the wire cross arm arranges that the brill that can realize the circuit in adjacent shelves crosses and stridees across the problem that has the circuit, need not to reform transform brill, strideing across the circuit, reduces electric wire netting safety risk, saves the engineering investment.

Description

Single-loop portal steel pipe tower for continuous drilling and crossing of line

Technical Field

The utility model belongs to the technical field of single circuit door type steel pipe pole type design, concretely relates to single circuit door type steel pipe pole tower that is used for the circuit to bore in succession and stride across.

Background

With the continuous development of power grid construction in China, power channels become increasingly tense, and particularly in incoming and outgoing line sections of transformer substations, industrial plant area load concentration areas and urban population dense areas, power lines of different voltage levels and different important levels are often staggered, and the situation that a newly-built line needs to be drilled and crossed continuously is likely to happen. The conventional design scheme usually selects to raise a drilled line or lower a crossed line, and even changes a newly-built line into a cable laying mode in the current period to meet the requirements of simultaneously drilling and crossing the built line, so that the method can additionally increase engineering investment, prolong the power failure time, increase the construction difficulty and enlarge the safety risk of a power grid.

The patent with publication number CN206267615U discloses a 110kV overhead transmission line double-return-door type steel pipe pole tower, which comprises two main poles, two ground wire cross arms, a wire jumper cross arm, two first wire cross arms and a second wire cross arm, wherein two ends of the wire jumper cross arm are respectively connected with the two main poles, one ends of the two ground wire cross arms are respectively connected on the two main poles, and the other ends of the two ground wire cross arms are cantilever, two ends of the second wire cross arm are respectively connected with the two main poles and are located below the wire jumper cross arm, one ends of the two first wire cross arms are respectively connected on the two main poles, and the other ends of the two first wire cross arms are cantilever and are located below the ground wire cross arm. When the ground clearance of the transmission conductor of the 220kV transmission line is low, the 110kV transmission line can conveniently cross from the lower part of the 220kV transmission line. The tower pole is used in a double loop, the first wire cross arm and the second wire cross arm are on the same horizontal plane, and the requirement of simultaneously drilling over and crossing an established line is inconvenient to meet.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a single loop door type steel pipe shaft tower that is used for the circuit to bore in succession more and stridees across, the single circuit line of solution that can be fine successively bores more and stridees across the problem of having built transmission line.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

a single-circuit portal type steel pipe tower for continuous drilling and crossing of a line comprises single-circuit portal type steel pipe poles, ground wire cross arms, an upper layer cross arm, a middle layer cross arm and a lower layer cross arm, wherein the ground wire cross arms, the upper layer cross arm, the middle layer cross arm and the lower layer cross arm are sequentially arranged on the two single-circuit portal type steel pipe poles from top to bottom; stride across side wire and pass through first strain insulator gold utensil cluster erects in on the upper crossarm, bore cross side wire and pass through second strain insulator gold utensil cluster erects in on the lower floor's crossarm, be equipped with on the post insulator and jump the wire around jumping, connect around the upper end of jumping the wire first strain insulator gold utensil cluster, connect around the lower extreme of jumping the wire second strain insulator gold utensil cluster.

Furthermore, the ground wire cross arm, the upper layer cross arm, the middle layer cross arm and the lower layer cross arm are parallel to each other.

Furthermore, the ground wire cross arm is arranged at the top of the two single-circuit gate-shaped steel pipe poles, a ground wire strain fitting string is arranged on the ground wire cross arm, and the ground wire is erected on the ground wire cross arm through the ground wire strain fitting string.

Further, the length of the upper layer cross arm is equal to that of the lower layer cross arm.

Further, the length of the ground wire cross arm is smaller than that of the upper layer cross arm, and the length of the middle layer cross arm is larger than that of the upper layer cross arm.

Compared with the prior art, the beneficial effects of the utility model are as follows:

this steel pipe tower designs upper strata cross arm and lower floor's cross arm, and the wire adopts the level to arrange the form at every layer of cross arm. Crossing side wires are arranged on the upper layer cross arms, crossing side wires are arranged on the lower layer cross arms, the middle of the crossing side wires is fixed with the rod body through a post insulator, and continuous crossing and crossing of the lines are realized by utilizing the fall between the upper layer cross arms and the lower layer cross arms. The middle-layer cross arm is arranged on the rod body of the gate-type steel pipe rod, the supporting insulator is additionally arranged on the middle-layer cross arm, the electrical distance of a circuit to the rod body around a jumping wire can be met, and an upper-layer circuit is connected to a lower-layer circuit through the supporting insulator by the aid of the jumping wire to realize the communication of upper-layer and lower-layer wires. The single-loop door-shaped steel pipe rod is simple in structure form, short in construction period and wide in application range, and transformation problems of lines caused by drilling and crossing are avoided.

The utility model discloses be door type framework, the staggered floor that utilizes the wire cross arm arranges the problem that can realize that the brill of circuit in adjacent shelves crosses and stridees across the existing circuit, need not to reform transform the brill, stridees across the circuit, and the reducible number of times that has the circuit to reform transform reduces electric wire netting safety risk, saves the engineering investment, has obvious economic benefits.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is the utility model discloses a single loop door type steel pipe tower's that is used for the line to bore in succession more and stridees across structure schematic diagram.

The meaning of the individual reference symbols is as follows:

1: ground wire cross arm, 2: ground wire, 3: upper cross arm, 4: first strain insulator gold utensil cluster, 5: cross-over side wire, 6: middle layer cross arm, 7: winding jumping wire, 8: lower floor's cross arm, 9: drill-over-side wire, 10: second strain insulator gold utensil cluster, 11: single-circuit door-shaped steel pipe rod, 12: a post insulator.

Detailed Description

The technical solution of the present invention will be described more clearly and completely with reference to fig. 1 and specific embodiments, and it should be understood that the described embodiments are only some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

As shown in fig. 1, this embodiment provides a single-circuit gate-type steel pipe tower for continuous drilling and crossing of a line, including a single-circuit gate-type steel pipe pole, a ground wire cross arm 1, an upper layer cross arm 3, a middle layer cross arm 6 and a lower layer cross arm 8, which are sequentially arranged on two single-circuit gate-type steel pipe poles 11 from top to bottom, wherein a first strain fitting string 4 is arranged on the upper layer cross arm 3, a post insulator 12 is arranged on the middle layer cross arm 6, and a second strain fitting string 10 is arranged on the lower layer cross arm 8; stride across side wire 5 and pass through first strain insulator gold utensil cluster 4 erects in on the upper crossarm 3, bore and cross side wire 9 and pass through second strain insulator gold utensil cluster 10 erects in on the lower crossarm 8, be equipped with on the post insulator 12 and jump wire 7 around, connect around the upper end of jumping wire 7 first strain insulator gold utensil cluster 4, connect around the lower extreme of jumping wire 7 second strain insulator gold utensil cluster 10. The upper layer crossing side lead 5 is connected to the lower layer crossing side lead 9 through a post insulator 12 by using a winding jump lead 7 to realize the upper and lower layer lead communication. Two single circuit gate-type steel pipe poles 11 are provided with middle layer cross arms 6, and the middle layer cross arms 6 are additionally provided with post insulators 12, so that the electrical distance of the line to the single circuit gate-type steel pipe poles 11 around the jumper wires 7 can be met, and the problems of crossing and spanning of the established lines of adjacent gears are solved.

The ground wire cross arm 1, the upper layer cross arm 3, the middle layer cross arm 6 and the lower layer cross arm 8 are mutually parallel, adopt a horizontal arrangement form, and are vertically arranged on the two single-circuit door-shaped steel pipe poles 11.

Two 11 parallel arrangement of single circuit gate-type steel-pipe pole, ground wire cross arm 1 sets up two the top of single circuit gate-type steel-pipe pole 11, ground wire strain insulator gold utensil cluster on the ground wire cross arm 1, ground wire 2 passes through ground wire strain insulator gold utensil cluster erects on the ground wire cross arm 1.

The length of the upper layer cross arm 3 is equal to that of the lower layer cross arm 8. The length of the ground wire cross arm 1 is smaller than that of the upper layer cross arm 3, and the length of the middle layer cross arm 6 is larger than that of the upper layer cross arm 3. The upper-layer cross arm 3 is provided with 3 first tension-resistant hardware fittings strings 4 which are respectively arranged at two ends and the middle part of the upper-layer cross arm 3; the middle-layer cross arm 6 is provided with 3 post insulators 12 which are respectively arranged at two ends and the middle part of the middle-layer cross arm 6; be equipped with 3 second strain insulator gold utensil strings 10 on the cross arm 8 of lower floor, set up respectively the both ends and the middle part of cross arm 8 of lower floor, design neatly like this, in order.

The utility model discloses an utilize door type steel pipe pole can realize that the brill of having the circuit in the adjacent shelves crosses and stridees across the problem, and the wire cross arm is upper and lower staggered floor and arranges between the pole body, utilizes pole body intermediate strut insulator to carry out the jump around between upper cross arm and the lower floor's cross arm, can satisfy the wire apart from the electrical distance of pole body, realizes that the brill of the circuit has been built to the adjacent shelves crosses and stridees across the problem, reduces the number of times that has had the circuit transformation.

In the description of the present invention, it is to be understood that relational terms such as "a," "an," "two," and the like are used solely to separate one entity or operation from another entity or operation without necessarily requiring or implying any actual such relationship or order between such entities or operations. The terms "upper", "lower", "left", "right", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplified description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims (5)

1. A single-circuit door-shaped steel pipe pole tower for continuous drilling and crossing of a line is characterized by comprising single-circuit door-shaped steel pipe poles, ground wire cross arms, an upper layer cross arm, a middle layer cross arm and a lower layer cross arm, wherein the ground wire cross arms, the upper layer cross arm, the middle layer cross arm and the lower layer cross arm are sequentially arranged on the two single-circuit door-shaped steel pipe poles from top to bottom; the crossing side wire is erected on the upper-layer cross arm through the first tension-resistant hardware string, the crossing side wire is erected on the lower-layer cross arm through the second tension-resistant hardware string, the post insulator is provided with a winding jumping wire, the upper end of the winding jumping wire is connected with the first tension-resistant hardware string, and the lower end of the winding jumping wire is connected with the second tension-resistant hardware string.

2. The single-circuit gate-type steel pipe tower for continuous line crossing and crossing of claim 1, wherein the ground wire cross arm, the upper layer cross arm, the middle layer cross arm and the lower layer cross arm are parallel to each other.

3. The single-circuit portal steel pipe tower for line continuous crossing and spanning according to claim 2, wherein the ground wire cross arm is arranged at the top of two single-circuit portal steel pipe towers, a ground wire tension-resistant fitting string is arranged on the ground wire cross arm, and a ground wire is erected on the ground wire cross arm through the ground wire tension-resistant fitting string.

4. The single-circuit portal type steel pipe tower for continuous line crossing and crossing according to claim 3, wherein the length of the upper layer cross arm is equal to that of the lower layer cross arm.

5. The tower according to claim 4, wherein the ground wire cross arm has a length less than that of the upper cross arm, and the middle cross arm has a length greater than that of the upper cross arm.

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