CN216974365U - Insulating cross arm for power grid - Google Patents
Insulating cross arm for power grid Download PDFInfo
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- CN216974365U CN216974365U CN202123315996.XU CN202123315996U CN216974365U CN 216974365 U CN216974365 U CN 216974365U CN 202123315996 U CN202123315996 U CN 202123315996U CN 216974365 U CN216974365 U CN 216974365U
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Abstract
本实用新型涉及电力线路领域，具体为一种电网用绝缘横担，包括支撑杆，所述支撑杆的顶端横向安装有横担本体，且横担本体的两侧设置有绝缘安装座，且绝缘安装座的上方设置有绝缘支撑座，所述横担本体内部的上端横向转动连接有正反丝杆，且正反丝杆中间位置处安装有延伸至横担本体外部的拨轮，且螺纹块底端安装有延伸至横担本体外部的调节板。该电网用绝缘横担，通过拨动拨轮带动正反丝杆转动，使得螺纹块移动带动调节板移动，进而通过绝缘安装座带动绝缘支撑座移动，实现绝缘支撑座之间距离的调节，满足不同情况下的使用，避免绝缘支撑座之间距离固定带来的局限性，提高横担本体的实用性，从而解决了不便于对调节距离的问题。
The utility model relates to the field of power lines, in particular to an insulating cross-arm for a power grid, comprising a support rod, a cross-arm body is laterally mounted on the top of the support rod, and insulating mounting seats are arranged on both sides of the cross-arm body, and the insulation An insulating support seat is arranged above the mounting seat, the upper end inside the cross arm body is laterally connected with a positive and negative screw rod, and a dial extending to the outside of the cross arm body is installed at the middle position of the positive and negative screw rod, and the threaded block is installed. The bottom end is provided with an adjustment plate extending to the outside of the cross arm body. The power grid uses an insulating cross-arm, and the positive and negative screw rods are rotated by turning the dial, so that the movement of the threaded block drives the movement of the adjusting plate, and then the insulating support seat is driven to move through the insulating mounting seat, so as to realize the adjustment of the distance between the insulating support seats. The use in different situations avoids the limitation caused by the fixed distance between the insulating support seats, improves the practicability of the cross arm body, and solves the problem of inconvenient distance adjustment.
Description
Technical Field
The utility model relates to the technical field of power lines, in particular to an insulating cross arm for a power grid.
Background
The cross arm is an important component in a pole tower, is used for mounting insulators and hardware fittings to support conducting wires and lightning conductors and keep a certain safety distance according to regulations, and is very important in the laying process of the power grid at present.
In the in-service use process, the length of insulating cross arm is fixed, leads to the insulator distance also fixed, and then makes the high-voltage tower pole of inconvenient adaptation equidimension and voltage class not, leads to the inconvenience that the power grid laid, greatly reduced staff's efficiency of construction.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides the insulating cross arm for the power grid, which has the advantages of convenience in distance adjustment and the like, and solves the problem that the common insulating cross arm is inconvenient in distance adjustment.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an insulating cross arm for electric wire netting, includes the bracing piece, the cross arm body is transversely installed on the top of bracing piece, and the both sides of cross arm body are provided with insulating mount pad, the screw thread draw-in groove has been seted up on the inside top of insulating mount pad, and the top of insulating mount pad is provided with insulating supporting seat, insulating supporting seat bottom is installed with screw thread draw-in groove matched with screw thread fixture block, and the inside location structure that is provided with of insulating mount pad of screw thread draw-in groove below one side.
The inside upper end of cross arm body transversely rotates and is connected with positive and negative lead screw, and positive and negative lead screw intermediate position department installs the thumb wheel that extends to the cross arm body outside, the both sides threaded connection on positive and negative lead screw surface has the thread piece, and the thread piece bottom installs the regulating plate that extends to the cross arm body outside, the top and the insulating mount pad bottom end fixed connection of regulating plate one side.
Furthermore, a protective cover is installed in the middle of the top end of the cross arm body, and the length of the cross section of the protective cover is larger than the diameter of the cross section of the shifting wheel.
Furthermore, the both sides of the inside bottom of cross arm body have transversely seted up the spout, and regulating plate bottom one side install with spout matched with slider.
Further, location structure includes the constant head tank, the lower extreme in the inside one side of insulating mount pad is seted up to the constant head tank, and the lower extreme of insulating mount pad one side is provided with the pull rod, the inside that the constant head tank was extended to pull rod one side is installed the locating piece, and the inside winding of constant head tank on pull rod surface has positioning spring, the locating hole with locating piece matched with is seted up to the inside one side bottom of screw thread fixture block.
Furthermore, the length of constant head tank is greater than the length of locating piece, and constant head tank and locating piece are around the vertical axis symmetric distribution of cross arm body.
Furthermore, the upper ends of the two sides of the supporting rod are provided with reinforcing rods, and one side of each reinforcing rod is fixedly connected with the bottom end of the cross arm body.
Furthermore, a locking plate is installed on the top end of the insulation supporting seat, and the locking plate is U-shaped.
Furthermore, the lower end of the insulation supporting seat is annularly provided with a water retaining ring, and the area of the cross section of the water retaining ring is larger than that of the cross section of the insulation mounting seat.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
1. this insulating cross arm for electric wire netting, through being provided with the thread piece, the thumb wheel, positive and negative lead screw and regulating plate, adjust the distance between the insulating supporting seat according to actual high-pressure tower pole demand, open the positive door body of protection casing earlier, it drives positive and negative lead screw and rotates to stir the thumb wheel again, utilize the slider in the inside slip of spout, make the thread piece remove and drive the regulating plate and remove, and then drive the insulating supporting seat through insulating mount pad and remove, realize the regulation of distance between the insulating supporting seat, satisfy the use under the different situation, avoid the fixed limitation that brings of distance between the insulating supporting seat, the practicality of cross arm body is improved, thereby the problem of being not convenient for to the accommodation distance has been solved.
2. This insulating cross arm for electric wire netting, through being provided with the locating piece, the locating hole, screw thread draw-in groove and screw thread fixture block, through the pulling pull rod, make the locating piece remove to breaking away from the locating hole completely, later rotate insulating supporting seat, make screw thread draw-in groove and screw thread fixture block break away from, realize the dismantlement of insulating supporting seat, and during the installation, screw-thread fit through screw thread draw-in groove and screw thread fixture block, it is fixed well to install insulating supporting seat, simultaneously under positioning spring's elastic force effect, make the locating piece card go into inside the locating hole, and then can avoid the unexpected rotation of screw thread fixture block, realize stable installation, it is not hard up to avoid screw thread draw-in groove and screw thread fixture block to rotate the screw thread that causes, guarantee the stability of insulating supporting seat long-term installation, reduce the safety unstability because of screw thread draw-in groove and screw thread fixture block not hard up and lead to, thereby the problem of insulating supporting seat installation stability inadequately is solved.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic side view of the cross-sectional structure of the present invention;
FIG. 3 is a schematic view of a partial three-dimensional structure of the positive and negative lead screws of the present invention;
FIG. 4 is a schematic view of a partially enlarged structure of the insulating mount according to the present invention;
FIG. 5 is an enlarged view of the portion A of FIG. 1 according to the present invention.
In the figure: 1. a cross arm body; 2. a thread block; 3. a protective cover; 4. a thumb wheel; 5. a positive and negative screw rod; 6. A water retaining ring; 7. a positioning structure; 701. positioning a groove; 702. a pull rod; 703. a positioning spring; 704. positioning blocks; 705. positioning holes; 8. an insulating mounting seat; 9. a reinforcing bar; 10. a support bar; 11. an adjusting plate; 12. an insulating support seat; 13. a locking plate; 14. a threaded clamp groove; 15. a threaded fixture block; 16. a slider; 17. A chute.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the insulating cross arm for a power grid in the present embodiment includes a support rod 10, a cross arm body 1 is transversely installed at a top end of the support rod 10, and insulating mounting seats 8 are disposed at two sides of the cross arm body 1, a threaded clamping groove 14 is disposed at a top end inside the insulating mounting seat 8, an insulating support seat 12 is disposed above the insulating mounting seat 8, a threaded clamping block 15 matched with the threaded clamping groove 14 is installed at a bottom end of the insulating support seat 12, and a positioning structure 7 is disposed inside the insulating mounting seat 8 at one side below the threaded clamping groove 14.
The inside upper end of cross arm body 1 transversely rotates and is connected with positive and negative lead screw 5, and 5 intermediate position departments of positive and negative lead screw install and extend to the outside thumb wheel 4 of cross arm body 1, and the both sides threaded connection on 5 surfaces of positive and negative lead screw has screw block 2, and 2 bottoms of screw block installs the regulating plate 11 that extends to the outside of cross arm body 1, the top and the 8 bottom fixed connection of insulating mount pad of regulating plate 11 one side.
Referring to fig. 1 and 2, in the embodiment, a protective cover 3 is installed at the middle position of the top end of the cross arm body 1, and the length of the cross section of the protective cover 3 is greater than the diameter of the cross section of the thumb wheel 4.
It should be noted that, through setting up protection casing 3, can shelter from the protection to thumb wheel 4 top, reduce rainwater etc. and flow down through the clearance between cross arm body 1 and the thumb wheel 4.
Referring to fig. 1 and 5, in the embodiment, sliding grooves 17 are transversely formed at two sides of the bottom end inside the cross arm body 1, and a sliding block 16 matched with the sliding grooves 17 is installed at one side of the bottom end of the adjusting plate 11.
It should be noted that, by the sliding of the slider 16 inside the sliding slot 17, the movement of the adjusting plate 11 is more stable.
Referring to fig. 1 and 4, in the present embodiment, the positioning structure 7 includes a positioning groove 701, the positioning groove 701 is disposed at a lower end of one side of the insulating mounting seat 8, a pull rod 702 is disposed at a lower end of one side of the insulating mounting seat 8, one side of the pull rod 702 extends into the positioning groove 701 and is provided with a positioning block 704, a positioning spring 703 is wound inside the positioning groove 701 on the surface of the pull rod 702, and a positioning hole 705 is disposed at a bottom end of one side of the inside of the threaded fixture block 15 and is engaged with the positioning block 704.
It should be noted that, by pulling the pull rod 702, the positioning block 704 is moved to be completely separated from the positioning hole 705, and then the insulating support seat 12 is rotated, so that the thread clamping groove 14 is separated from the thread clamping block 15, thereby realizing the detachment of the insulating support seat 12, and during the installation, the insulating support seat 12 is installed and fixed through the thread matching between the thread clamping groove 14 and the thread clamping block 15, and meanwhile, under the elastic force action of the positioning spring 703, the positioning block 704 is clamped into the positioning hole 705, thereby avoiding the accidental rotation of the thread clamping block 15, realizing the stable installation, and avoiding the loosening of the threads caused by the rotation of the thread clamping groove 14 and the thread clamping block 15.
Referring to fig. 1 and 4, in the embodiment, the length of the positioning slot 701 is greater than that of the positioning block 704, and the positioning slot 701 and the positioning block 704 are symmetrically distributed about the vertical central axis of the cross arm body 1.
It should be noted that, by providing the deeper positioning groove 701, the positioning block 704 is ensured to be completely separated from the positioning hole 705.
Referring to fig. 1 and 2, in the present embodiment, the upper ends of two sides of the supporting rod 10 are installed with the reinforcing rods 9, and one side of the reinforcing rod 9 is fixedly connected with the bottom end of the cross arm body 1.
The reinforcing bar 9 is attached to form a triangular shape with the cross arm body 1 and the support bar 10, thereby improving the stability of the attachment of the cross arm body 1.
Referring to fig. 1 and 2, in the present embodiment, a locking plate 13 is installed at the top end of the insulating support base 12, and the locking plate 13 is U-shaped.
It should be noted that, through setting up the locking plate 13 of U type, be convenient for better place block cable conductor.
Referring to fig. 1 and 2, in the present embodiment, the lower end of the insulating support base 12 is annularly installed with the water retaining ring 6, and the area of the cross section of the water retaining ring 6 is larger than the area of the cross section of the insulating support base 8.
It should be noted that, through setting up the great manger plate ring 6 of area, be convenient for shelter from 8 tops of insulating mount pad, reduce the flow direction of rainwater.
It can be understood that this insulating cross arm for electric wire netting can realize the regulation of distance between the insulating supporting seat 12, improves its practicality, can be to the quick dismantlement installation of insulating supporting seat 12 simultaneously, and the staff of being convenient for maintains it.
The working principle of the above embodiment is as follows:
when the device works, firstly, the distance between the insulating supporting seats 12 is adjusted according to the actual requirement of a high-voltage tower pole, the door body on the front side of the protective cover 3 is opened, then the dial wheel 4 is shifted to drive the positive and negative screw rod 5 to rotate, the screw thread fit between the positive and negative screw rod 5 and the thread block 2 is utilized, and the sliding of the sliding block 16 in the sliding groove 17 is utilized, so that the thread block 2 moves to drive the adjusting plate 11 to move, the insulating supporting seats 12 are driven to move through the insulating mounting seats 8, the adjustment of the distance between the insulating supporting seats 12 is realized, and the use under different conditions is met;
the installation of carrying out the cable conductor simultaneously is fixed, and when needing to change the maintenance to insulating supporting seat 12, pull rod 702 earlier, make locating piece 704 remove to drive positioning spring 703 compression and make it break away from locating hole 705 completely, later rotate insulating supporting seat 12, utilize the screw-thread fit of screw thread draw-in groove 14 and screw thread fixture block 15, make screw thread draw-in groove 14 and screw thread fixture block 15 break away from, realize the dismantlement of insulating supporting seat 12, and during the installation, through the screw-thread fit of screw thread draw-in groove 14 and screw thread fixture block 15, it is good to install insulating supporting seat 12, simultaneously under positioning spring's 703 elasticity, make locating piece 704 block inside locating hole 705, and then can avoid the unexpected rotation of screw thread fixture block 15, realize stable installation, avoid screw thread looseness that screw thread draw-in groove 14 and screw thread fixture block 15 rotate and cause.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123315996.XU CN216974365U (en) | 2021-12-27 | 2021-12-27 | Insulating cross arm for power grid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123315996.XU CN216974365U (en) | 2021-12-27 | 2021-12-27 | Insulating cross arm for power grid |
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| Publication Number | Publication Date |
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| CN216974365U true CN216974365U (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123315996.XU Active CN216974365U (en) | 2021-12-27 | 2021-12-27 | Insulating cross arm for power grid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115929100A (en) * | 2022-11-28 | 2023-04-07 | 国网福建省电力有限公司经济技术研究院 | A transmission tower cross arm |
-
2021
- 2021-12-27 CN CN202123315996.XU patent/CN216974365U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115929100A (en) * | 2022-11-28 | 2023-04-07 | 国网福建省电力有限公司经济技术研究院 | A transmission tower cross arm |
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