CN214098955U

CN214098955U - Overhead line warning board suspension device

Info

Publication number: CN214098955U
Application number: CN202022981886.6U
Authority: CN
Inventors: 魏书剑
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-08-31
Anticipated expiration: 2030-12-04

Abstract

The utility model discloses an overhead line warning sign linkage and hanging tool, linkage include that the lower extreme sets to first splint and the second splint that open clamp structure and middle part pass through the loose axle and connect, be provided with clamping spring on the loose axle, respectively set up a semi-closed trompil that has the guide open slot in the upper end of two splint, transversely compress tightly wire position both ends at two splint and respectively set up the wire that staggers of each other and block the piece, set up the clip respectively at first splint both ends and compress tightly the insulating rubber stick of two connection warning signs. The hanging tool comprises an insulating operating rod, a vertical rotating rod, a horizontal tensioning rod and a transmission mechanism arranged in an insulating shell, wherein a clamping piece is arranged at the end head of the outer side of the horizontal tensioning rod, and the transmission mechanism can convert the rotating motion of the vertical rotating rod into the horizontal motion of the horizontal tensioning rod. The suspension device has a simple structure, is convenient to operate and use, and can be used for installing or dismantling the overhead line warning board under the condition of no power failure by matching with a suspension tool.

Description

Overhead line warning board suspension device

Technical Field

The utility model relates to a device and instrument that is used for overhead line warning sign to hang, specifically speaking are device and the instrument of hanging that electric power overhead line warning sign hung.

Background

Along with the scale of a power distribution network is larger and larger, overhead lines of the power distribution network span highways, fishponds, houses and the like, personal electric shock and external force damage events caused by insufficient arrangement of warning signs are high, a striking safety warning board is hung on the lines as necessary according to power facility protection regulations and related national safety requirements, the existing safety warning board installation mode is connected by bolts, the mode needs to be installed on the lines in a crane or pole climbing mode under the condition that the lines are powered off, the safety warning board is manually carried, meanwhile, power failure operation is needed when the lines need to be replaced or removed, the mode is high in labor intensity and low in efficiency, and particularly loss caused by power failure of the lines is larger. In addition, some new technologies can be installed in a live state through an insulating operating rod, for example, chinese patent publication No. CN103345881B discloses "an overhead line warning board suspension device and suspension tool", which can implement live installation of a warning board by means of opening a wire and pushing open a support pin between two opening clamps to close and clamp the wire, but this way does not solve the problem of how to remove the warning board in a live state. There are other live suspension techniques, which are not listed, and they all have more or less the following problems: firstly, the problem of charged dismantling is not solved; secondly, the operating rods clamp the screw tightening mode, the operating angle requirements of the operating rods are high, the operating rods are not easy to align when long, and the operating difficulty is high; and the device for clamping the wire and the warning board are in hard connection, so that the wire is easily damaged under the condition that the warning board swings along with wind.

SUMMERY OF THE UTILITY MODEL

To the above, the utility model provides an overhead line warning sign linkage and instrument that can install and remove with electricity, can use the insulator spindle to conveniently install the warning sign in the suitable position on the wire under the circumstances about not cutting off the power supply, also can use same instrument to demolish conveniently under the circumstances about not cutting off the power supply, adopt the insulating rubber stick to realize elasticity flexible coupling between the device of the tight wire of clamp simultaneously and the warning sign, the wind pressure of avoiding the warning sign to bear transmits the fixed point and arouses the wire to twist reverse, thereby the friction leads to the wire damage, it shakes too big production short circuit or collision damage also to have avoided the warning sign when the strong wind.

The utility model provides a technical scheme that its technical problem adopted is: the overhead line warning board suspension device is characterized by comprising a first clamping plate and a second clamping plate, wherein the lower ends of the first clamping plate and the second clamping plate are arranged into an open clamp structure, the middle parts of the first clamping plate and the second clamping plate are connected through a movable shaft, and a clamping spring is arranged on the movable shaft; the upper ends of the first clamping plate and the second clamping plate are respectively provided with a semi-closed opening with a guide open slot; and two ends of the first clamping plate are respectively provided with a pressing clamp special for fixing a rubber rod.

Furthermore, wire blocking sheets which are staggered with each other are respectively arranged at two ends of the transverse wire pressing part of the first clamping plate and the second clamping plate.

Further, the upper ends of the two insulating rubber rods are fixed respectively by the pressing clamps arranged at the two ends of the first clamping plate, and the lower ends of the two insulating rubber rods are connected with the warning board through the pressing clamps.

Furthermore, two ends of the movable shaft are provided with anti-falling caps.

The utility model also provides an overhead line warning sign hangs instrument, including insulating bar, characterized by still includes vertical rotary rod, horizontal straining bar and drive mechanism, drive mechanism be connected respectively with vertical rotary rod, horizontal straining bar, vertical rotary rod lower extreme and insulating bar upper end fixed connection, horizontal straining bar outside end be provided with and press from both sides tight piece.

Furthermore, the transmission mechanism is arranged in an insulating shell, and the bottom and the side surface of the insulating shell are respectively provided with a sliding hole.

Furthermore, the upper end of the vertical rotating rod is connected with the transmission mechanism through a sliding hole in the bottom of the insulating shell, and the inner side of the horizontal tensioning rod is connected with the transmission mechanism through a sliding hole in the side face of the insulating shell.

Furthermore, the transmission mechanism is a transmission mode that the transmission mechanism is formed by combining two bevel gears which are perpendicular to each other and a trapezoidal lead screw, can convert the rotary motion of a vertical rotary rod into the horizontal motion of a horizontal tensioning rod, and meanwhile, the trapezoidal lead screw has a self-locking function and prevents the tension of the spring from being transmitted reversely.

The utility model has the advantages that: the utility model adopts a special tool to horizontally tighten or loosen the two clamping plates, thus being convenient for the electrified installation and removal of the warning board suspension device; the horizontal pull rod of the hanging tool can be conveniently clamped into the two semi-closed openings from different angles to implement operation through the guide open slots at the upper ends of the two clamping plates, and the device is simple in structure and convenient to operate and use; through the elasticity size that changes insulating rubber stick, the warning sign that adapts to different sizes and weight hangs and does not harm wire and warning sign, and the commonality is strong.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of a warning sign hanging tool;

in the figure, 1, a first clamping plate, 2, a second clamping plate, 3, a movable shaft, 4, a clamping spring, 5, a semi-closed opening with a guide open slot, 6, a lead blocking sheet, 7, an insulating rubber rod, 8, a pressing clamp, 9, a warning board, 10, an insulating operating rod, 11, a vertical rotating rod, 12, a horizontal tensioning rod, 13, a transmission mechanism, 14, an insulating shell and 15, a sliding hole are arranged.

Detailed Description

As shown in fig. 1, the suspension device for an overhead line warning sign of the present invention comprises a first clamping plate 1 and a second clamping plate 2, wherein the lower ends of the first clamping plate 1 and the second clamping plate 2 are arranged in an open clamp structure, the middle parts are connected through a movable shaft 3, and a clamping spring 4 is arranged on the movable shaft 3; the upper ends of the first clamping plate and the second clamping plate are respectively provided with a semi-closed opening 5 with a guide opening groove, the two semi-closed openings and the guide grooves thereof are corresponding in position, the guide opening groove 7 adopts a structure that the outer side is large and the inner side is small and gradually narrowed, so that a horizontal pull rod 12 in a matched hanging tool can be clamped into the two semi-closed openings 5 from different angles to implement operation, and meanwhile, the horizontal pull rod 12 in the matched hanging tool is prevented from slipping due to transverse shearing force in the process of tightening or loosening the clamping plates; and two ends of the transverse wire pressing part of the first clamping plate 1 and the second clamping plate 2 are respectively provided with a wire blocking piece 6 which is staggered with each other, so that when the first clamping plate 1 and the second clamping plate 2 are in a clamping or opening state, the wires can be clamped between clamping surfaces, and the wires can be fully clamped by the clamping surfaces of the first clamping plate 1 and the second clamping plate 2.

Further, 1 both ends of first splint set up fixed rubber stick special use respectively and compress tightly 7 upper ends of two insulating rubber sticks of 8 fixed respectively, two insulating rubber stick 7 lower extremes are through compressing tightly clip connection warning sign 9, realize elasticity flexible coupling between first splint 1 and the warning sign 9 through insulating rubber stick 7, thereby the wind pressure of avoiding the warning sign to bear transmits to the clamp face and arouses that the wire twists reverse, thereby the friction leads to the wire damage, thereby the warning sign has also been avoided rocking too big production short circuit or collision damage when strong wind.

Further, two ends of the movable shaft 3 are provided with anti-falling caps for preventing the movable shaft from falling off.

As shown in fig. 2, the utility model also provides an overhead line warning sign hangs instrument, it includes insulating bar 10, still includes vertical rotary rod 11, horizontal straining bar 12 and drive mechanism 13, drive mechanism 13 be connected respectively with vertical rotary rod 11, horizontal straining bar 12, vertical rotary rod 11 lower extreme and insulating bar 10 upper end fixed connection, horizontal straining bar 12 outside end be provided with clamp plate 13.

Further, the transmission mechanism is installed in an insulating housing 14, and the bottom and the side of the insulating housing are respectively provided with a sliding hole 15.

Furthermore, the upper end of the vertical rotating rod 11 is connected with the transmission mechanism 13 through a sliding hole 15 at the bottom of the insulating shell 14, and the inner side of the horizontal tensioning rod 12 is connected with the transmission mechanism 13 through a sliding hole 15 at the side of the insulating shell 14.

Furthermore, the transmission mechanism 13 can be set as two mutually perpendicular bevel gears and combined with a trapezoidal screw rod transmission mode, so that the rotary motion of the perpendicular rotary rod 11 can be converted into the horizontal motion of the horizontal tightening rod 12, and meanwhile, the transmission mechanism 13 has a self-locking function due to the use of the trapezoidal screw rod, so that the situation that the horizontal tightening rod 12 is reversely driven to rotate by the horizontal tension of the clamping plate when clamping the suspension device and not suspending the lead wire is avoided, and the situation that the suspension device cannot be suspended is caused.

Further, the horizontal pull rod 12 is a smooth cylindrical metal structure, and the diameter of the smooth cylindrical metal structure is smaller than the width of the two semi-closed openings 5, so that the horizontal pull rod 12 can be clamped into the two semi-closed openings 5 from different angles to implement operation.

Furthermore, the end of the horizontal pull rod 12 is a circular clamping surface, is perpendicular to the horizontal pull rod 12, has a diameter larger than the width of the two semi-closed openings 5, the side surface of the insulating shell 14 corresponding to the circular clamping surface is used as another clamping surface, has a size larger than the width of the two semi-closed openings 5, and the two clamping surfaces are matched to play a role in clamping and fixing the hanging tool in the process of clamping the hanging device and lifting for installation or removal and then descending.

The mounting process of the suspension device is carried out in two stages, wherein the first stage is that the safety warning board is connected to the suspension device through an insulating rubber rod on the ground; the horizontal tensioning bar 12 of the suspension tool is then snapped into the two semi-closed openings 5 through the guide slots, rotating the insulating operating rod 10 to drive the horizontal tensioning rod 12 to be pulled back tightly, so that the distance between the two clamping surfaces is reduced, and the opening clamps at the lower ends of the clamping plates 1 and 2 are driven to be opened, and in the second stage, the hanging device is lifted to the position above the live overhead line conducting wire by using the insulating operating rod 10 of the hanging tool, the conducting wire is placed in the opening clamps at the lower ends of the clamping plates 1 and 2, the upper part of the lead is contacted with the lead blocking piece 6, the insulating operating rod 10 is pulled downwards and rotates reversely, the horizontal tensioning rod 12 is driven to release outwards, the distance between the two clamping surfaces is increased, the opening clamps at the lower ends of the clamping plates 1 and 2 are driven to be folded under the action of the clamping spring 4 and clamp the lead until the two clamping surfaces of the horizontal tensioning rod 12 are completely separated from the two semi-closed openings 5 and taken out through the guide open slot.

The process of demolising of this linkage is, at first lift insulating bar 10 directly over this linkage, make horizontal straining rod 12 block into two semi-closed trompils 5 through the guide open slot card, rotatory insulating bar 10 drives horizontal straining rod 12 and draws back tightly, makes the distance reduce between two clamp surfaces, drives the opening clamp of splint 1 and 2 lower extreme and opens, lifting insulating bar 10 makes this linkage break away from with the wire, withdraws this linkage and warning sign together at last again.

In the operation process of the above embodiment, the insulating operation rod 10 can be operated at different angles on the vertical surface of the horizontal tensioning rod 12, so that the insulating operation rod 10 can be installed or removed obliquely or vertically along the conducting line direction by manually standing on the ground, and also can be installed or removed obliquely by manually climbing the pole to a proper safety position of the electric pole, and the operation is convenient.

The above-mentioned embodiments are only preferred embodiments of the present invention, and it is obvious to those skilled in the art that a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims

1. The utility model provides an overhead line warning sign linkage, characterized by, includes first splint and second splint, the lower extreme of first splint and second splint sets the structure that the opening pressed from both sides to, and the middle part passes through the loose axle and connects, be provided with clamping spring on the loose axle the upper end of first splint and second splint respectively sets up a semi-closed trompil that has the guide open slot, first splint both ends set up the special clamp that compresses tightly of fixed rubber stick respectively.

2. The overhead line warning sign hanger of claim 1 wherein wire blocking tabs are provided at each end of the laterally compressed wire portions of said first and second clamping plates and are offset from each other.

3. The overhead line warning sign hanging device as claimed in claim 1, wherein the pressing clips provided at both ends of the first clamping plate respectively fix upper ends of two insulating rubber rods, and lower ends of the two insulating rubber rods are connected to the warning sign through the pressing clips.