CN217783072U - Adjustable insulating cross arm - Google Patents
Adjustable insulating cross arm Download PDFInfo
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- CN217783072U CN217783072U CN202220900618.3U CN202220900618U CN217783072U CN 217783072 U CN217783072 U CN 217783072U CN 202220900618 U CN202220900618 U CN 202220900618U CN 217783072 U CN217783072 U CN 217783072U
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Abstract
The utility model relates to an insulating cross arm with adjustable, including the well looks pillar of arranging perpendicularly, well main cross arm swing joint that the looks pillar was arranged through slide and level, main cross arm bottom is equipped with can dismantle the staple bolt of being connected with well looks pillar, and main cross arm both ends all are equipped with sliding connection's vice cross arm. The height adjustment of the insulating cross arm is realized by sliding the main cross arm along the slide way, after the height adjustment is finished, the height of the insulating cross arm on the middle phase support post is locked by the hoop, the length of the auxiliary cross arm extending out of the main cross arm is changed by sliding the auxiliary cross arm and the main cross arm, and the change of the length of the insulating cross arm is realized.
Description
Technical Field
The utility model relates to a distribution technical field specifically is insulating cross arm with adjustable.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The distribution network does not have power failure, the overhaul operation needs to be completed under the condition that a power grid is electrified, wherein the next operation can be performed only after the wire is lifted to the upper part of the insulator for a certain safety distance in the electrified operation item of replacing the straight-line rod insulator, the cross arm and the like. At present, a single-phase wire generally adopts a small-suspension-arm lifting mode of an insulating bucket arm vehicle, a three-phase wire generally installs an insulating cross arm at the top of the insulating bucket arm vehicle, and the purpose of lifting the three-phase wire is achieved by lifting the height of an insulating arm of the bucket arm vehicle.
However, this wire lifting method has obvious disadvantages. Firstly, the length of an insulating cross arm for lifting a wire is fixed, the phenomenon that the distance between the insulating cross arm and the wire is not matched can occur, and the live-line operation fails because the operation mode of power failure of the wire has to be adopted during field operation; secondly be that arm car insulating boom top and insulating fill are in same position, and after the insulating boom promoted the wire as the operation personnel risees, the insulating operation position that hardly reaches the ideal is fought, seriously influences operating efficiency and operation security.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one technical problem that exists among the above-mentioned background, the utility model provides an insulating cross arm with adjustable, the length of insulating cross arm is adjustable, matches multiple wire interval, breaks away from insulating cross arm from insulating arm car simultaneously, changes to fix on the pole, has solved insulating cross arm and wire interval and has unmatched and the insulating problem of fighting the arm car and can not reach ideal operation position because of promoting the wire.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model discloses an aspect provides insulating cross arm with adjustable, including the well looks pillar of arranging perpendicularly, well looks pillar passes through the main cross arm swing joint that slide and level were arranged, and main cross arm bottom is equipped with can dismantle the staple bolt of being connected with well looks pillar, and main cross arm both ends all are equipped with sliding connection's vice cross arm.
The width of the main cross arm on the horizontal plane is not less than that of the auxiliary cross arm on the horizontal plane, so that the auxiliary cross arm slides along the inner surface of the main cross arm, and the main cross arm and the auxiliary cross arm are connected to form an insulating cross arm after sliding to a set position.
The middle part of the main cross arm is provided with a hole connected with the middle phase pillar, and the two ends of the main cross arm are provided with holes connected with the auxiliary cross arm.
And one end of the auxiliary cross arm, which is far away from the main cross arm, is provided with a side phase wire bracket.
And holes connected with the main cross arm are formed in the two ends of the auxiliary cross arm.
One end of the middle phase strut is provided with a middle phase wire bracket, and the top and the middle part are provided with holes for fixing the main cross arm.
The slideway is arranged outside the middle phase pillar and is arranged along the length direction of the middle phase pillar.
Compared with the prior art, the above one or more technical schemes have the following beneficial effects:
the height adjustment of the insulating cross arm is realized by sliding the main cross arm along the slide way, after the height adjustment is finished, the height of the insulating cross arm on the middle phase support post is locked by the hoop, the length of the auxiliary cross arm extending out of the main cross arm is changed by sliding the auxiliary cross arm and the main cross arm, and the change of the length of the insulating cross arm is realized.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a schematic view of an overall structure of a cross arm according to one or more embodiments of the present invention;
fig. 2 is a schematic structural diagram of a phase support portion in a cross arm according to one or more embodiments of the present invention;
fig. 3 is a schematic structural diagram of a cross arm side phase supporting portion according to one or more embodiments of the present invention;
fig. 4 is a schematic structural diagram of the cross arm side phase support part adjusted to the top of the middle phase upright column according to one or more embodiments of the present invention;
in the figure: 1. the device comprises a middle phase pillar, 2 middle phase lead supporting grooves, 3 connecting and fixing holes, 4 saddle iron hoops, 5 slideways, 6 main cross arms, 7 auxiliary cross arms, 8 side phase lead supporting grooves, 9 notch sealing doors, 10 insulating tighteners.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
And (3) distribution network uninterrupted operation: in the distribution network, the purpose of realizing the uninterrupted power supply or short-time power supply interruption of a user is realized, and the equipment is overhauled by adopting various modes.
Insulating cross arm: the cable is used for the distribution network uninterrupted operation, and plays a role in temporary supporting and insulating a wire during operation.
Insulating bucket arm car: the insulating bearing tool bears a special vehicle for live working when an operator enters an operation position.
The following embodiment provides an adjustable insulating cross arm, and through the insulating cross arm with adjustable length, match multiple wire interval, break away from insulating arm car with insulating cross arm simultaneously, change and fix on the pole, solved insulating cross arm and wire interval mismatch and the insulating fill of arm car and can not reach the problem of ideal operation position because of promoting the wire.
The first embodiment is as follows:
as shown in fig. 1-3, the purpose of the present embodiment is to provide an adjustable insulating cross arm, which includes a vertically arranged middle phase pillar 1, wherein the middle phase pillar 1 is movably connected with a horizontally arranged main cross arm 6 through a slideway 5, the bottom of the main cross arm 6 is provided with a hoop detachably connected with the middle phase pillar 1, and two ends of the main cross arm 6 are provided with auxiliary cross arms 7 connected in a sliding manner.
As shown in fig. 2, the width of the main cross arm 6 in the horizontal plane is not less than the width of the auxiliary cross arm 7 in the horizontal plane, so that the auxiliary cross arm 7 slides along the inner surface of the main cross arm 6, and the main cross arm 6 and the auxiliary cross arm 7 are connected to form an insulating cross arm after sliding to a set position.
The middle part of the main cross arm 6 is provided with a hole connected with the middle phase pillar 1, and the two ends are provided with holes connected with the auxiliary cross arm 7.
And one end of the auxiliary cross arm 7, which is far away from the main cross arm 6, is provided with a side phase wire supporting groove 8, and the side phase wire supporting groove 8 is detachably connected with a notch sealing door 9.
And holes connected with the main cross arm 6 are formed at two ends of the auxiliary cross arm 7.
As shown in fig. 3, one end of the middle phase strut 1 is provided with a middle phase lead bracket 2, and the top and the middle are provided with holes for fixing a main cross arm 6.
The slideways 5 are arranged inside the middle phase strut 1 and are arranged along the length direction of the middle phase strut 1.
The main cross arm 6 slides along the slide way 5 to realize the height adjustment of the insulating cross arm, after the height adjustment is finished, the main cross arm 6 is positioned at the top or the middle part of the middle phase pillar 1, the height of the insulating cross arm on the middle phase pillar 1 is locked through a hoop, the hoop in the embodiment is a saddle iron hoop 4, a fastener is utilized to pass through a hole at the top or the middle part of the middle phase pillar 1 and a hole at the middle part of the main cross arm 6, and the connection of the insulating cross arm and the middle phase pillar 1 is realized after the fastening.
The auxiliary cross arm 7 slides along the inner surface of the main cross arm 6 to realize the length adjustment of the insulating cross arm, and after sliding to a set position, the auxiliary cross arm passes through holes at two ends of the main cross arm 6 and a hole at one end of the auxiliary cross arm 7 through a fastener to form a complete insulating cross arm after fixing.
In this embodiment, both ends of the secondary cross arm 7 are provided with holes connected to the main cross arm 6, and one end of the secondary cross arm 7 away from the main cross arm 6 is provided with the side phase wire bracket 8, so that when the secondary cross arm 7 slides along the inner surface of the main cross arm 6, both ends of the main cross arm 6 can be switched between two states of being close to the side phase wire bracket 8 and being away from the side phase wire bracket 8, and further the length of the secondary cross arm 7 extending out of the main cross arm 6 is changed, thereby realizing the change of the length of the insulating cross arm.
In the above structure, the amount of change in the height direction and the length direction of the insulating cross arm (the lift margin and the longitudinal adjustment length) depends on the position of the opening, and this embodiment may be set according to actual operation requirements without limitation.
In actual operation, after the lifting margin and the longitudinal adjustment length are determined, the position of the hole formed in the insulating cross arm is also determined, so that a worker cannot judge the height and length adjustment position of the insulating cross arm according to experience during use, the change amount of the height direction and the length direction of the insulating cross arm must be limited by the position of the hole, and accidents caused by violation of operation requirements are avoided.
According to the related requirements of the current national standard, the operation items of live replacement of a straight rod insulator, live replacement of a straight rod insulator and a cross arm, live replacement of a tension rod of a loaded straight rod, change of a tension rod of a loaded straight rod, and addition of a pole-mounted switch or a disconnecting switch are required, the safety distance from a lower grounding body to a lead after the lead is lifted is required to be more than 0.4m, and therefore the lead lifting margin of the adjustable insulating cross arm in the embodiment is also required to be more than 0.4m.
Generally, the wire spacing of the overhead distribution line is larger than 0.6m and smaller than 1m, the transverse adjustable length of the insulating cross arm in the embodiment is 0.9-1.5m, and the longitudinal adjustable length is 0.7m, so that the wire spacing of the existing overhead distribution line is met.
In the embodiment, the debugged insulating cross arm is made of insulating plates with the thicknesses of 10mm and 12mm, and the cross section of the debugged insulating cross arm can be rectangular or U-shaped. The middle-phase supporting part consists of a square insulating tube with the length of 2050mm and the width of 80mm, the wall thickness of the insulating tube is 10mm, the top end of the insulating tube is an insulated wire bracket, the top end and the middle part of the insulating tube are respectively provided with a round hole for fixing the side-phase supporting part, and the diameter of the round hole is 24mm.
The side phase supporting part consists of a main cross arm and two auxiliary cross arms, wherein in the embodiment, the length of the main cross arm is 1000mm, the diameter of a round hole fixedly connected with the auxiliary cross arms is 10mm, and the middle part of the main cross arm is provided with a round hole connected with the middle phase supporting part, and the diameter of the round hole is 10mm; the length of the auxiliary cross arm is 490mm, one side of the auxiliary cross arm is a side phase wire bracket, two ends of the auxiliary cross arm are respectively provided with a round hole which is fixedly connected with the main cross arm, and the auxiliary cross arm can slide in the main cross arm during operation and can adjust the extension length of the auxiliary cross arm according to the wire distance.
The fixed part that promotes in this embodiment is by saddle iron staple bolt, square slide and insulating turn-buckle 10 are constituteed, and the staple bolt is pasted to the saddle is used for fixing insulating cross arm on the pole, and square slide pastes the staple bolt with the saddle and links to each other, and as the slide that insulating cross arm promoted, insulating turn-buckle 10 can carry load 1.5T, and turn-buckle both sides couple links to each other with saddle subsides staple bolt and insulating cross arm bottom respectively, through tightening up insulating turn-buckle, reaches promotion and decline insulating cross arm purpose.
During installation, an operator firstly adjusts the length of the insulating cross arm according to the distance between the wires, the operator reaches a required position below the wire cross arm to be lifted by adjusting the insulating bucket arm vehicle, a saddle iron hoop is installed, the insulating cross arm is placed in a slide way, three wire support grooves of the insulating cross arm are just located 0.1m below the wire to be lifted, an insulating tightener drawstring is pulled to a length larger than 0.5m, a fixed side hook is connected with the saddle iron hoop, a moving side hook is connected with the bottom of the insulating cross arm, the insulating tightener is tightened to enable the insulating cross arm to be continuously lifted, after the insulating cross arm is stressed, the operation position is adjusted, after a connecting binding wire of the wires and an insulator is untied, the insulating tightener is continuously tightened until the wires are lifted to a position 0.4m away from a grounding body below, and the wire lifting operation is completed.
Safety precautions
a. Before operation, the insulating cross arm is carefully checked to be free from damage, dampness, deformation and failure, otherwise, the use is forbidden.
b. The distance between an operator in the bucket and the charged body is kept to be more than 0.4m when the operator contacts the grounded body, more than 0.4m when the operator contacts the charged body, and more than 0.6m when the operator contacts the adjacent phase conductor. It is strictly forbidden to simultaneously contact conductors of different potentials and phases. The insulated wires should be treated as bare wires, and reliable insulation shielding measures should be taken when the safety distance cannot be met.
c. In the process of lifting the wires, the speed is not too high, and the stress condition of the binding points of the pin insulator wires of the electric poles on two adjacent sides can be observed at any time. Device or tangible product invention: the structure, connection relationship, action relationship and action process of the components are explained in detail.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. Insulating cross arm with adjustable, its characterized in that: including the well pillar of arranging perpendicularly, well pillar passes through main cross arm swing joint that slide and level were arranged, and main cross arm bottom is equipped with can dismantle the staple bolt of being connected with well pillar, and main cross arm both ends all are equipped with sliding connection's vice cross arm.
2. The adjustable insulating cross arm of claim 1, wherein: the width of the main cross arm on the horizontal plane is not smaller than that of the auxiliary cross arm on the horizontal plane, so that the auxiliary cross arm slides along the inner surface of the main cross arm.
3. The adjustable insulating cross arm of claim 2, wherein: and after the auxiliary cross arm slides to a set position along the inner surface of the main cross arm, the main cross arm and the auxiliary cross arm are connected to form an insulating cross arm.
4. The adjustable insulating cross arm of claim 1, wherein: and a hole connected with the middle phase strut is formed in the middle of the main cross arm.
5. The adjustable insulating cross arm of claim 4, wherein: and holes connected with the auxiliary cross arms are formed at two ends of the main cross arm.
6. The adjustable insulating cross arm of claim 1, wherein: and one end of the auxiliary cross arm, which is far away from the main cross arm, is provided with a side phase wire bracket.
7. The adjustable insulating cross arm of claim 6, wherein: and holes connected with the main cross arm are formed in the two ends of the auxiliary cross arm.
8. The adjustable insulating cross arm of claim 1, wherein: one end of the middle phase strut is provided with a middle phase lead bracket.
9. The adjustable insulating cross arm of claim 8, wherein: and holes for fixing the main cross arm are formed in the top and the middle of the middle phase strut.
10. The adjustable insulating cross arm of claim 1, wherein: the slide is established in the inside of well pillar, arranges along the length direction of well pillar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220900618.3U CN217783072U (en) | 2022-04-18 | 2022-04-18 | Adjustable insulating cross arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220900618.3U CN217783072U (en) | 2022-04-18 | 2022-04-18 | Adjustable insulating cross arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217783072U true CN217783072U (en) | 2022-11-11 |
Family
ID=83907993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220900618.3U Active CN217783072U (en) | 2022-04-18 | 2022-04-18 | Adjustable insulating cross arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217783072U (en) |
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2022
- 2022-04-18 CN CN202220900618.3U patent/CN217783072U/en active Active
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