CN219086666U - Combined type electrified crossing frame for power line - Google Patents

Abstract

The utility model discloses a combined type electric power line electrified spanning frame, which comprises at least four struts, an insulating net and a mounting seat, wherein each strut comprises an aluminum alloy cylinder, an insulating cylinder and an adjusting base, the lower end of the aluminum alloy cylinder is connected with the adjusting base, and the upper end of the aluminum alloy cylinder is connected with the lower end of the insulating cylinder; the lower parts of two adjacent insulating columns are connected through a metal rod, and the upper parts of the two adjacent insulating columns are connected through an insulating pipe; the insulating net is arranged at the top of the insulating column body; four-way grooves are formed in the mounting seat. By arranging the four-way groove at the top of the mounting seat, the spanning frame can be expanded in four directions according to the width of the spanning power line; through set up the connecting rod between the cylinder for connect into a whole between post and the post, guarantee all the time and be in safer insulating state between support body, power line and the people three, effectively ensure people and power equipment safety, do not need the power failure to set up, demolish.

Description

Combined type electrified crossing frame for power line

Technical Field

The utility model relates to the technical field of power line engineering, in particular to a combined type electrified spanning frame for a power line.

Background

When the current power line spans the spanning frame of construction bamboo, steel pipe and aluminum alloy material, must be temporarily withdrawn from operation by the power line facility of being spanned, just can set up the support body operation on the spanning line, after the construction is accomplished, just can demolish the spanning frame again when waiting for next power failure, has operation potential safety hazard, power failure industry and agriculture and resident life electricity consumption. The bamboo, steel pipe, insulating etc. material support body, the structure is complicated, and is bulky, and topography is suitable for poor, and transportation is difficult, erects and demolishs extremely inconveniently.

In view of the above problems, many people in the art have begun to study a novel spanning frame, for example, a novel insulating spanning frame is disclosed in chinese patent application publication No. CN107346873a, which includes: 4 bases, 4 lifting adjusting bases, 4 struts, 4 connecting members, 4 insulating brackets, 4 cross beams and 1 insulating spanning net; the lower end of the lifting adjusting base is connected with the base, the upper end of the lifting adjusting base is connected with the lower end of the supporting column, the upper end of the supporting column is connected with the connecting member, the lower end of the insulating support is connected with the connecting member, the upper end of the insulating support is connected with the insulating spanning net, and a cross beam is connected between the adjacent 2 connecting members and is penetrated by the spanning line from the insulating support; although the crossing frame of the prior art solves the problems of power failure crossing, steel crossing frame erection and crossing net crossing in the prior art, and the height of the support column can be adjusted according to the site topography, the crossing frame still has inconvenient expansion, the insulating support adopts a grid plate-shaped circular tube structure, the insulating part is heavy, and the stability is insufficient.

Disclosure of Invention

The utility model aims to provide a combined type electric power line electrified spanning frame so as to solve the problems in the background technology.

In order to achieve the above purpose, the utility model provides a combined electric power line electrified spanning frame, which comprises at least four struts, an insulating net and a mounting seat, wherein the struts comprise aluminum alloy columns, insulating columns and an adjusting base, the lower ends of the aluminum alloy columns are connected with the adjusting base, the adjusting base comprises an upper fixing plate and a lower fixing plate which are arranged in parallel, four corners of the upper fixing plate and four corners of the lower fixing plate are respectively connected through adjusting rods, the adjusting rods are used for adjusting the distance between the upper fixing plate and the lower fixing plate, the upper ends of the aluminum alloy columns are connected with the lower ends of the insulating columns, and the lower parts of two adjacent insulating columns are connected through a first connecting rod; the insulation net is arranged at the top of the insulation column body and is connected with the second connecting rod; the top end of each insulating column body is provided with one mounting seat, the upper surface of each mounting seat is provided with a four-way groove for expanding a crossing frame, the upper parts of two adjacent insulating column bodies are connected with the four-way groove through a second connecting rod, and the second connecting rod is made of an insulating tubular material; the insulating net is arranged at the top of the insulating cylinder and is connected with the second connecting rod.

Further, each aluminum alloy column body comprises an aluminum alloy column body, a first connecting piece located at the top of the aluminum alloy column body and a second connecting piece located at the bottom of the aluminum alloy column body, and a plurality of connecting holes used for being connected with the insulating column body and the adjusting base respectively are formed in the first connecting piece and the second connecting piece.

Further, each insulation column body comprises an insulation column body, a third connecting piece positioned at the top of the insulation column body and a fourth connecting piece positioned at the bottom of the insulation column body, and a plurality of connecting holes for being respectively connected with the mounting seat and the insulation column body are also formed in the third connecting piece and the fourth connecting piece; the third connecting piece is provided with the mounting seat.

Further, be provided with the sheep horn installation sleeve pipe on the mount pad, the intraductal setting of sheep horn installation sleeve is installed and is used for unexpected line protection to stride across the sheep horn of electric power.

Further, the lower end of the aluminum alloy cylinder is also provided with a grounding connection hole for being connected with a grounding device.

Further, the insulating column body is made of epoxy resin angle type materials, and the safety distance between the insulating column body and the spanned object is larger than 1.7 meters.

Furthermore, the aluminum alloy columns and the insulating columns are all in a frame type structure; the first connecting rod is angle steel.

Further, the crossing frame further comprises a plurality of stay wires, the stay wires are divided into an upper layer and a lower layer, the upper end of the stay wire of the upper layer is fixedly connected with the upper end of the insulating cylinder, the lower end of the stay wire of the lower layer is fixedly connected with the ground through a pile anchor, and the upper end of the stay wire of the lower layer is fixedly connected with the upper end of the aluminum alloy cylinder and the lower end of the stay wire of the lower layer is fixedly connected with the ground through the pile anchor.

Further, six struts are arranged, the six struts are symmetrically arranged in pairs to form three groups, and the three groups of struts are uniformly arranged at intervals along the length direction of the crossing frame; the spanning frame can be expanded in four directions according to the width of the spanning power line, namely, the spanning frame is expanded in four directions in the length direction and the width direction of the spanning frame by matching the four-way grooves on the mounting base with the second connecting rods.

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

(1) In the combined type electric power line electrified spanning frame, the upper frame body is made of an angle-shaped insulating material, and the mounting seat at the top of the insulating frame body is provided with the four-way groove, so that the spanning frame can be expanded in four directions according to the width of the spanned electric power line; the second connecting rod can enable the insulation column to be connected with the insulation column (namely, the support column and the support column) into a whole, so that the frame body, the power line and the person are always guaranteed to be in a safer insulation state, the safety of the person and the power equipment is effectively guaranteed, and the power failure is not required to be erected and dismantled. Meanwhile, the insulating frame body and the aluminum alloy cylinder are frame-type, and the weight is light.

(2) In the combined electric power line electrified crossing frame, the upper parts among the columns are connected by the second connecting rod (insulating tube), the middle parts among the columns are connected by the first connecting rod (metal rod), and each column is anchored and fixed with the pile through the pull wire, so that the strength and the stability of the crossing frame are enhanced.

(3) In the combined type electric power line electrified spanning frame, the adjusting rod is an adjustable screw rod and is used for adjusting the distance between the upper fixing plate and the lower fixing plate; the fine adjustment of the single support column can be realized by adjusting the base, so that the crossing frame disclosed by the utility model can be suitable for various height difference terrains. The aluminum alloy column body and the insulating column body can be set to be of various lengths according to requirements, and connecting pieces at the upper end and the lower end of the aluminum alloy column body are connected in four directions; the connecting rod can be arranged to be different in length and is suitable for different rod types and terrains of distribution lines.

(4) In the combined type electric power line electrified spanning frame, the lower end of the aluminum alloy column body is provided with the grounding connecting hole, and the grounding connecting hole is connected with the grounding device, so that the safety guarantee is improved.

In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of a modular power line live span structure according to the present utility model;

FIG. 2 is a schematic side view of the modular power line live span of FIG. 1;

FIG. 3 is a side view of an adjustment base of the present utility model;

FIG. 4 is a top view of the adjustment base of FIG. 3;

FIG. 5 is a side view of an aluminum alloy cylinder of the present utility model;

FIG. 6 is a bottom view of the aluminum alloy cylinder of FIG. 5;

FIG. 7 is a block diagram of the connection of the insulator cylinder to the mount and the cleat according to the present utility model;

FIG. 8 is a top view of the second connecting rod connected to the mounting base of the present utility model;

wherein: 1-an aluminum alloy column; 1.1-an aluminum alloy column body; 1.2-a first connector; 1.3-a second connector; 1.3 a-second connection holes; 2-insulating columns; 2.1-insulating column body; 2.2-third connector; 2.3-fourth connectors; 3-adjusting the base; 3.1-upper fixing plate; 3.2-lower fixing plate; 3.3-adjusting the rod; 3 a-adjusting the rod mounting hole; 3 b-a first connection hole; 4-a first connecting rod; 5-a second connecting rod; 6-an insulating net; 7-a mounting seat; 7.1-four-way grooves; 8-claw mounting sleeve; 9-sheep horn; 10-stay wire.

Detailed Description

Embodiments of the utility model are described in detail below with reference to the attached drawings, but the utility model can be implemented in a number of different ways, which are defined and covered by the claims.

Referring to fig. 1 to 8, the present embodiment provides a combined electric power line electrified spanning frame, which includes six struts, an insulating net 6 and a mounting seat 7, wherein the six struts are symmetrically arranged in three groups, and the three groups of struts are uniformly arranged at intervals along the length direction of the spanning frame; each pillar comprises an aluminum alloy pillar body 1, an insulating pillar body 2 and an adjusting base 3, wherein the lower end of the aluminum alloy pillar body 1 is connected with the adjusting base 3, and the upper end of the aluminum alloy pillar body 1 is connected with the lower end of the insulating pillar body 2. The specific structure is as follows:

referring to fig. 3 and 4 in combination, the adjusting base 3 includes an upper fixing plate 3.1, a lower fixing plate 3.2 and an adjusting rod 3.3, the upper fixing plate 3.1 and the lower fixing plate 3.2 are arranged in parallel, and four corners of the upper fixing plate 3.1 and the lower fixing plate 3.2 are respectively connected through the adjusting rod 3.3; the four corners of the upper fixing plate 3.1 and the lower fixing plate 3.2 are respectively provided with an adjusting rod mounting hole 3a for adjusting the rod 3.3 to penetrate, and 4 groups of first connecting holes 3b for connecting with the aluminum alloy column bodies are further formed in the upper fixing plate 3.1. The adjusting rod 3.3 is a screw rod, and the adjusting rod 3.3 is matched with the bolt to realize the connection with the upper and lower fixing plates; the height of the single support column can be adjusted by adjusting the distance between the upper fixing plate 3.1 and the lower fixing plate 3.2.

In a specific embodiment, the lower parts of two adjacent insulating columns 2 are connected by a first connecting rod 4; specifically, two adjacent insulating columns along the length direction of the spanning frame and two adjacent insulating columns along the width direction of the spanning frame are connected through a first connecting rod; the first connecting rod is preferably angle steel. The top of each insulating cylinder 2 is provided with a mounting seat 7, and the upper surface of the mounting seat 7 is provided with a four-way groove 7.1 for expanding a crossing frame. Likewise, the upper parts of two adjacent insulating columns 2 are connected with the four-way groove 7.1 through the second connecting rod 5, and the second connecting rod 5 is made of insulating tubular materials, namely, the second connecting rod 5 adopts an insulating tube, two ends of the insulating tube are respectively connected with two mounting seats, and the end parts of the insulating tube are fixedly connected with the side walls of the four-way groove through connecting pieces. Specifically, the four-way groove 7.1 is a groove that can be used for connection with the second connecting rod in four directions. For convenience of description, the second connection rod is divided into a forward insulation connection rod for connecting the two insulation columns along the length direction of the crossing frame and a lateral insulation connection rod for connecting the two insulation columns along the width direction of the crossing frame. The insulating net 6 is arranged at the top of the insulating cylinder 2 and is connected with the second connecting rod 5 through a plurality of insulating ropes. In the structure, the four-way expansion of the spanning frame can be realized by arranging the four-way groove 7.1 on the mounting seat 7; through setting up head rod and second connecting rod, can be better make connect into a whole between the pillar, guarantee support body, power line and people in safer insulating state all the time, guarantee people and electrical equipment safety effectively; the height of the single support column can be finely adjusted through the adjustment base, so that the crossing frame of the embodiment is suitable for various height difference terrains.

Referring to fig. 5 to 8, each aluminum alloy column 1 includes an aluminum alloy column body 1.1, a first connecting piece 1.2 located at the top of the aluminum alloy column body 1.1, and a second connecting piece 1.3 located at the bottom of the aluminum alloy column body 1.1, and a plurality of connecting holes for connecting with the insulating column 2 and the adjusting base 3 respectively are formed in the first connecting piece 1.2 and the second connecting piece 1.3. Each insulating column 2 comprises an insulating column body 2.1, a third connecting piece 2.2 positioned at the top of the insulating column body 2.1 and a fourth connecting piece 2.3 positioned at the bottom of the insulating column body 2.1, a plurality of connecting holes used for being respectively connected with the mounting seat 7 and the insulating column 2 are also formed in the third connecting piece 2.2 and the fourth connecting piece 2.3, and the mounting seat 7 is arranged on the third connecting piece 2.2.

In a specific embodiment, the second connecting piece 1.3 is provided with 4 groups of second connecting holes 1.3a for connecting with the adjusting base; the structures of the first connecting piece 1.2, the third connecting piece 2.2 and the fourth connecting piece 2.1 are identical to those of the second connecting piece 1.3, and will not be described in detail here. Further, a claw mounting sleeve 8 is arranged on the third connecting piece 2.2, and a claw 9 used for unexpected line running protection crossing the power line is arranged in the claw mounting sleeve 8. In the structure, the aluminum alloy column body is connected with the base and the aluminum alloy column body is connected with the insulating column body through the connecting piece and the bolt, so that the installation is simple, safe and quick; simultaneously, the aluminum alloy cylinder 1 and the insulating cylinder 2 are of frame type structures, so that the weight of the frame body is effectively reduced.

In a specific embodiment, the lower end of the aluminum alloy cylinder 1 is further provided with a ground connection hole for connection with a ground device. In this structure setting, the aluminum alloy cylinder is through connecting the earthing connection hole with earthing device, can effectively improve the safety guarantee.

In a specific embodiment, the spanning frame further comprises a plurality of stay wires 10, the plurality of stay wires 10 are divided into an upper layer and a lower layer, the upper end of the upper layer stay wire is fixedly connected with the insulating cylinder 2, the lower end of the upper layer stay wire is fixedly connected with the ground through a pile anchor, the upper end of the lower layer stay wire is fixedly connected with the upper end of the aluminum alloy cylinder 1, and the lower end of the lower layer stay wire is fixedly connected with the ground through the pile anchor.

The construction process of the combined electric power line electrified spanning frame comprises the following steps: firstly, lofting at two sides of a spanned line, measuring a terrain height difference, and configuring each strut; then leveling the ground of the base installation position, respectively assembling combined struts on two sides of the spanned line, and adjusting the heights of the struts when the struts are assembled. The aluminum alloy column body can be designed into a plurality of lengths of 1m, 2m, 3.5m and the like according to the requirement; likewise, the insulation column body can be designed to be different in length between 1.5m and 3m according to requirements, the length of the second connecting rod can be designed to be different in length between 3.5m and 5.5m, and different lengths and widths can be spliced according to spans. If the height of the single support is below 12 meters, the single support can be assembled at a time; if the height of the single support column is higher than 12 meters, firstly assembling an aluminum alloy column, then installing an insulating column, then installing a connecting rod and a stay wire, then installing an insulating net and a claw, and finally installing a grounding device, thus the whole frame body is installed.

In the utility model, the lower fixing plate 3.2 of the adjusting base 3 has the anti-sinking function, so that a foundation is not needed to be additionally arranged. The single pillar is connected with the second connecting piece 1.3 by the upper fixing plate 3.1, and the first connecting piece 1.2 is connected with the fourth connecting piece 2.3 of the insulating cylinder 2 and is fastened and connected by bolts. Six struts are assembled, so that the connecting holes in four directions at the lower part of the insulating cylinder 2 are aligned with the connecting holes at the two ends of the first connecting rod 4, and the connecting holes are fixed by bolts; the lower wire 10 is then installed. The mounting seat 7 at the top of the insulating frame body 2 is provided with a four-way groove 7.1, the four-way groove can be used for mounting the positive insulating connecting rod and the lateral insulating connecting rod in four directions, the mounting holes on the side wall of the groove are aligned with the mounting holes on the positive insulating connecting rod and the lateral insulating connecting rod, and the two are fixedly connected through bolts; then the upper stay wire 10 is installed; thus, six struts are connected into a frame body, and then the insulating net 10 is firmly bound and fixed on the forward insulating connecting rod and the lateral insulating connecting rod by adopting the insulating small ropes; finally, the insulating rod is inserted into the claw mounting sleeve 8 to be assembled into the claw 9.

In the utility model, the frame type insulating column body is made of epoxy resin angle type material, has good insulating property, has a safety distance of more than 1.7 meters from a spanned object, and has physical property and electrical property meeting the requirements of regulations. The whole spanning frame can ensure that the bearing load is not less than 2KN under the accident state. The electrical performance of the insulation column body, the power frequency withstand voltage is 480kV for 3min, the leakage current is not more than 300 microamperes when the insulation column body is subjected to rain, and the power frequency withstand voltage of 0.5 meter subjected to moisture is not less than 60kV.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (9)

1. The combined type electric power line electrified crossing frame is characterized by comprising at least four supporting columns, an insulating net (6) and an installation seat (7), wherein each supporting column comprises an aluminum alloy column body (1), an insulating column body (2) and an adjusting base (3), the lower end of each aluminum alloy column body (1) is connected with the corresponding adjusting base (3), each adjusting base (3) comprises an upper fixing plate (3.1) and a lower fixing plate (3.2) which are arranged in parallel, four corners of each upper fixing plate (3.1) and four corners of each lower fixing plate (3.2) are respectively connected through adjusting rods (3.3), each adjusting rod (3.3) is used for adjusting the distance between each upper fixing plate (3.1) and each lower fixing plate (3.2), the upper ends of the aluminum alloy column bodies (1) are connected with the lower ends of the corresponding insulating column bodies (2), and the lower parts of the adjacent two insulating column bodies (2) are connected through first connecting rods (4); the top end of each insulating column body (2) is provided with a mounting seat (7), the upper surface of each mounting seat (7) is provided with a four-way groove (7.1) for expanding a crossing frame, the upper parts of two adjacent insulating column bodies (2) are connected with the four-way groove (7.1) through a second connecting rod (5), and the second connecting rod (5) is made of an insulating tubular material; the insulation net (6) is arranged at the top of the insulation column body (2) and is connected with the second connecting rod (5).

2. The combined electric power line live-line crossing frame according to claim 1, wherein each aluminum alloy column (1) comprises an aluminum alloy column body (1.1), a first connecting piece (1.2) arranged at the top of the aluminum alloy column body (1.1) and a second connecting piece (1.3) arranged at the bottom of the aluminum alloy column body (1.1), and a plurality of connecting holes for connecting the insulating column (2) and the adjusting base (3) respectively are formed in the first connecting piece (1.2) and the second connecting piece (1.3).

3. The combined electric power line live-line crossing frame according to claim 2, wherein each insulating column body (2) comprises an insulating column body (2.1), a third connecting piece (2.2) positioned at the top of the insulating column body (2.1) and a fourth connecting piece (2.3) positioned at the bottom of the insulating column body (2.1), and a plurality of connecting holes for connecting with the mounting seat (7) and the insulating column body (2) are formed in the third connecting piece (2.2) and the fourth connecting piece (2.3); the third connecting piece (2.2) is provided with the mounting seat (7).

4. The combined type electric power line live crossing frame according to claim 1, wherein a claw mounting sleeve (8) is arranged on the mounting base (7), and a claw (9) for accidentally running and protecting a crossing power line is arranged in the claw mounting sleeve (8).

5. The combined type electric power line live crossing frame according to claim 1, wherein the lower end of the aluminum alloy column body (1) is further provided with a grounding connection hole for being connected with a grounding device.

6. The combined electric power line live crossing frame according to claim 1, characterized in that the insulating column (2) is made of epoxy angle type materials, and the safety distance between the insulating column (2) and the crossed object is larger than 1.7 meters.

7. The combined type electric power line live crossing frame according to claim 1, wherein the aluminum alloy column body (1) and the insulating column body (2) are of a frame type structure; the first connecting rod (4) is angle steel.

8. The combined type electric power line live crossing frame according to claim 1, further comprising a plurality of stay wires (10), wherein the stay wires (10) are divided into an upper layer and a lower layer, the upper end of the upper layer stay wire is fixedly connected with the upper end of the insulating column body (2), the lower end of the upper layer stay wire is fixedly connected with the ground through a pile anchor, the upper end of the lower layer stay wire is fixedly connected with the upper end of the aluminum alloy column body (1), and the lower end of the lower layer stay wire is fixedly connected with the ground through the pile anchor.

9. The modular power line live-line crossing frame according to any one of claims 1-8, wherein six of the struts are provided, the six struts are symmetrically arranged in three groups, and the three groups of struts are evenly spaced along the length of the crossing frame.

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