CN213425616U - Novel special anti-flex device for insulating horizontal ladder - Google Patents
Novel special anti-flex device for insulating horizontal ladder Download PDFInfo
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- CN213425616U CN213425616U CN202022336085.4U CN202022336085U CN213425616U CN 213425616 U CN213425616 U CN 213425616U CN 202022336085 U CN202022336085 U CN 202022336085U CN 213425616 U CN213425616 U CN 213425616U
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Abstract
The utility model belongs to high tension transmission line live working instrument field, in particular to novel special anti-flex device of insulating horizontal ladder, a serial communication port, including rectangular frame and ladder body connecting piece, rectangular frame's inboard width is greater than the outside width of insulating horizontal ladder, and ladder body connecting piece sets up in pairs, and the one end of ladder body connecting piece is connected with rectangular frame, and the other end is equipped with the clamp that is used for connecting insulating horizontal ladder. And a lifting ring is arranged at the top of the rectangular frame. The rectangular frame is formed by connecting two beams and two upright posts through bolts or mortise and tenon structures. The ladder body connecting piece is made of an insulating lath or an insulating pipe fitting made of epoxy resin glass fiber cloth. Compared with the prior art, the beneficial effects of the utility model are as follows: 1) the insulating flat ladder with various structures can be transformed, the rigidity of the insulating flat ladder can be obviously increased, the waist collapse phenomenon is avoided, and operators can be assisted to smoothly complete the live working of the high-voltage transmission line. 2) The disassembly and assembly are convenient, and the transportation is facilitated.
Description
Technical Field
The utility model belongs to high tension transmission line live working instrument field, in particular to novel special anti-flex device of insulating horizontal ladder.
Background
The live working of the power transmission line can eliminate the defects of the power transmission line body under the condition that the power transmission line does not lose load, and can effectively improve the power supply reliability of a power grid. One of the technical difficulties of live working is how to enter an electric field, and one of the common methods for entering the electric field of live working of the high-voltage transmission line at present is a horizontal ladder entering electric field method, wherein a horizontal ladder is erected between a tower cross arm and the transmission line to serve as a passage for live working personnel to enter the electric field.
The Chinese patent with the patent application number of 201010291748.3 discloses live working equipment for a high-voltage transmission line, which comprises an insulating flat ladder, wherein the front end of the insulating flat ladder is connected and overlapped through a bolt, and the lower end of the insulating flat ladder is connected with an angle iron fixing frame; the left side beam and the right side beam of the insulating horizontal ladder are both composed of a concave plate and a convex plate, and the concave plate and the convex plate are connected together through a pin. The left side beam and the right side beam of the flat ladder are both changed into detachable forms, so that when the flat ladder is used by a constructor, the whole operation equipment does not need to be carried together, and only needs to be carried in a plurality of times.
The patent application number is 201822194845.5's chinese utility model patent discloses a transmission line live working removes insulating hard ladder, the ladder body that sets up including the level, be provided with the platform of taking of a actuating mechanism drive removal on the ladder body, take the platform and remove on the ladder body through the gyro wheel, the front end of ladder body is provided with a couple that is used for catching on the wire. The structure of the mobile insulating hard ladder for live working of the power transmission line is simple.
In the prior art, a lot of exploration is made in order to realize that the flat ladder enters the electric field method, has realized basic requirement to a certain extent, but the discovery still exists not enoughly after long-term practice, and the main problem is that when the flat ladder length is too long, the downward waist phenomenon that collapses appears in the flat ladder when bearing a burden, can lead to the ladder body unstability to tumble even when serious, brings the potential safety hazard for the operator, is unfavorable for high tension transmission line live working's smooth implementation.
Disclosure of Invention
The utility model aims at providing a novel special anti-flexible device of insulating flat ladder overcomes the not enough of prior art, adopts the anti-flexible device to reform transform current insulating flat ladder, increases the rigidity of insulating flat ladder, avoids the waist phenomenon of collapsing when bearing a burden, and the high tension transmission line live working can be accomplished smoothly to the assistant operator.
In order to achieve the above object, the utility model discloses a following technical scheme realizes:
the utility model provides a novel special anti-warp device of insulating flat ladder, a serial communication port, including rectangular frame and ladder body connecting piece, rectangular frame's inboard width is greater than the outside width of insulating flat ladder, and ladder body connecting piece sets up in pairs, and the one end of ladder body connecting piece is connected with rectangular frame, and the other end is equipped with the clamp that is used for connecting insulating flat ladder.
And a lifting ring is arranged at the top of the rectangular frame.
The rectangular frame is formed by connecting two beams and two upright posts through bolts or mortise and tenon structures.
The ladder body connecting piece is made of an insulating lath or an insulating pipe fitting made of epoxy resin glass fiber cloth.
The ladder body connecting piece is arranged at the upper part, the lower part or the left side and the right side in the rectangular frame body.
The clamp is a U-shaped bolt or a galvanized iron U-shaped horse riding clamp.
The distance between the two ladder body connecting pieces can be adjusted and fixed along the rectangular frame.
Compared with the prior art, the beneficial effects of the utility model are as follows: 1) the anti-bending device can be used for transforming the insulating flat ladder with various structures, the rigidity of the insulating flat ladder can be obviously increased, and the waist collapse phenomenon during loading is avoided, so that an assistant operator can smoothly complete the live working of the high-voltage transmission line. 2) Simple structure, convenient dismantlement equipment is favorable to the transportation.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of an application state of the embodiment of the present invention.
Figure 3 is the U-shaped bolt clamp connection schematic diagram of the utility model.
In the figure: 1-rectangular frame, 2-ladder body connecting piece, 3-insulating flat ladder, 4-clamp, 5-hoisting ring, 6-jackscrew, 11-crossbeam, 12-upright post.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the present application, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
See fig. 1-fig. 3, is the utility model relates to a novel special anti-warp device of insulating horizontal ladder embodiment schematic structure, including rectangular frame 1 and ladder body connecting piece 2, rectangular frame 1's inboard width is greater than insulating horizontal ladder 3's outside width, and during the use, the device cover is in insulating horizontal ladder 3's the outside, and ladder body connecting piece 2 sets up in pairs, and ladder body connecting piece 2's one end is connected with rectangular frame 1 bottom, and the other end is equipped with clamp 4 that is used for connecting insulating horizontal ladder 3, and clamp 4 is connected with insulating horizontal ladder 3's the outside, and clamp 4 is the U-shaped bolt form.
The top of the rectangular frame 1 is provided with a lifting ring 5, the lifting ring 5 is used for upwards pulling through a lifting appliance or a steel wire rope, so that the insulating flat ladder is prevented from bearing heavy load and collapsing waist, the lifting ring 5 can balance the force on the insulating flat ladder, and the deformation of the insulating flat ladder is reduced.
Rectangular frame 1 is formed by two crossbeams 11 and two stands 12 through bolt or mortise-tenon joint structural connection, and this structure is convenient to assemble, can assemble the use according to the condition at the scene, also conveniently disassembles the back transportation.
The ladder body connecting piece 2 is made of an insulating lath or an insulating pipe fitting made of epoxy resin glass fiber cloth, and the shape can be selected from various shapes as long as the material has enough strength and rigidity. The ladder connecting piece 2 can be arranged at the upper part, the lower part or the left side and the right side in the rectangular frame. In the embodiment, the trapezoid connecting piece 2 is connected to the bottom of the rectangular frame 1 and vertically arranged upwards, so that the insulating horizontal ladder is stressed from bottom to top more reasonably.
The clamp 4 may also be in the form of a galvanized iron U-shaped saddle clamp, as the case may be.
In order to adapt to the transformation of insulating flat ladders with different specifications, the distance between the two ladder body connecting pieces 2 can be adjusted left and right along the cross beam 11 of the rectangular frame 1 and is fixed through the jackscrew 6, so that the universality of the insulating flat ladders with various specifications is realized.
The utility model discloses the use quantity of device on an insulating flat ladder can be more than 1, also can be more than 2 to can guarantee insulating flat ladder's heavy burden stability as the prerequisite. The purpose is to increase the rigidity of the insulating flat ladder, solve the waist collapse phenomenon during loading and finally realize that an assistant operator can smoothly complete the live working of the high-voltage transmission line.
The above embodiments are merely specific examples selected for the purpose of illustrating the objects, technical solutions and advantages of the present invention in detail, but should not limit the scope of the invention, and all modifications, equivalents and improvements made without departing from the spirit and principles of the present invention should fall within the scope of the invention.
Claims (7)
1. The utility model provides a novel special anti-warp device of insulating flat ladder, a serial communication port, including rectangular frame and ladder body connecting piece, rectangular frame's inboard width is greater than the outside width of insulating flat ladder, and ladder body connecting piece sets up in pairs, and the one end of ladder body connecting piece is connected with rectangular frame, and the other end is equipped with the clamp that is used for connecting insulating flat ladder.
2. The novel special anti-bending device for the insulated horizontal ladder according to claim 1, is characterized in that: and a lifting ring is arranged at the top of the rectangular frame.
3. The novel special anti-bending device for the insulated horizontal ladder according to claim 1, is characterized in that: the rectangular frame is formed by connecting two beams and two upright posts through bolts or mortise and tenon structures.
4. The novel special anti-bending device for the insulated horizontal ladder according to claim 1, is characterized in that: the ladder body connecting piece is made of an insulating lath or an insulating pipe fitting made of epoxy resin glass fiber cloth.
5. The novel special anti-bending device for the insulated horizontal ladder according to claim 1, is characterized in that: the ladder body connecting piece is arranged at the upper part, the lower part or the left side and the right side in the rectangular frame body.
6. The novel special anti-bending device for the insulated horizontal ladder according to claim 1, is characterized in that: the clamp is a U-shaped bolt or a galvanized iron U-shaped horse riding clamp.
7. The novel special anti-bending device for the insulated horizontal ladder according to claim 1, is characterized in that: the distance between the two ladder body connecting pieces can be adjusted and fixed along the rectangular frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022336085.4U CN213425616U (en) | 2020-10-20 | 2020-10-20 | Novel special anti-flex device for insulating horizontal ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022336085.4U CN213425616U (en) | 2020-10-20 | 2020-10-20 | Novel special anti-flex device for insulating horizontal ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213425616U true CN213425616U (en) | 2021-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022336085.4U Active CN213425616U (en) | 2020-10-20 | 2020-10-20 | Novel special anti-flex device for insulating horizontal ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213425616U (en) |
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2020
- 2020-10-20 CN CN202022336085.4U patent/CN213425616U/en active Active
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