CN110170400B - RTV spraying protective cover for tension string insulator - Google Patents

Abstract

The RTV spray protective cover of the tension string insulator includes a shield, and both ends of the shield are provided with a suspension connection device, the suspension connection device includes a mounting plate, the top of the mounting plate is fixedly connected to the first vertical rod, the first vertical rod is provided with a suspension device, the suspension device includes a second vertical rod, the top of the second vertical rod is hinged with arc-shaped hooks on both sides, and a horizontal positioning baffle is also provided on the upper part of the hinge position between the hook and the second vertical rod. The positive effect of the present invention is that the present invention can be applied to a variety of different types of insulator equipment and has significant generalizability. The overall structure also has the advantages of simple and compact structure, light weight, easy to carry, easy to move, and low installation time. The scissor arms on both sides of the mounting plate not only meet the load-bearing capacity and telescopic performance, but are also not easy to deform. The balance after the two sides are stretched is strong, which is more convenient for high-altitude operations.

Description

RTV spraying protective cover for tension string insulator

Technical Field

The invention relates to the technical field of electrical equipment overhaul auxiliary appliances, in particular to an RTV spraying protective cover for a tension string insulator.

Background

The pollution flashover means that the pollution materials attached to the insulating surface of the electrical equipment are gradually dissolved in water under the moist condition, a layer of conductive film is formed on the insulating surface, so that the insulating level of the insulator is greatly reduced, the strong discharge phenomenon occurs under the action of electric field force, the service life of the electrical equipment and the safety of a power grid are affected, the RTV spraying is usually carried out on the liquid RTV silicone rubber coating, the liquid RTV silicone rubber coating is sprayed on the surface of the electrical equipment after being atomized, the current RTV spraying operation widely uses an air compressor to drive a special spray gun to carry out spraying, the construction method is easy to control in quality, simple to operate, but the atomized coating carried out by high-pressure air flow has no control measure, so that the coating is easy to drift in the spraying process, the damage is brought to farmland farms and the like under the electrical equipment, and the pollution is brought to the environment.

Disclosure of Invention

In order to solve the problems, the invention aims to provide the RTV spraying protection cover for the tension string insulator, which is placed at the lower part of the insulator when spraying operation is performed to receive scattered atomized paint, so that pollution and harm caused by the spraying operation are avoided.

The technical scheme adopted for solving the technical problems is as follows: the invention relates to a tension string insulator RTV spraying protective cover, which comprises a shade, wherein hanging connecting devices are arranged at two ends of the shade, the hanging connecting devices comprise mounting plates, the tops of the mounting plates are fixedly connected with first vertical rods, the first vertical rods are provided with hanging devices, the hanging devices comprise second vertical rods, two sides of the top positions of the second vertical rods are hinged with arc hooks, the upper parts of the hinged positions of the hooks and the second vertical rods are also provided with horizontal positioning baffle plates, two side positions of the mounting plates are respectively provided with a shearing arm, one end of each shearing arm is hinged on each mounting plate, the other end of each shearing arm is fixedly connected with an upward-inclined supporting rod, the shade links to each other with the bottom of cutting fork arm and vaulting pole and forms the protective structure of U type, and can follow the flexible and tensile or folding of cutting fork arm, wherein with the cutting fork arm lower extreme of mounting panel hookup location department on the mounting panel, cut the flexible adjusting device of fork arm is connected to the upper end of cutting fork arm, cut fork arm flexible adjusting device including erectly moving the slider, set up on the mounting panel with erectly moving slider matched with spout, erect the both ends of moving the slider and cut the upper end looks articulated of fork arm respectively, still articulated have two pull rods on erectly moving the slider upper end, the top of pull rod articulates there is the control handle, it articulates on first montant to control the handle to rotate and control the slider drive erectly move the fork arm of slider both sides and take place to stretch out and draw back. Further, the shade is made of TPU waterproof cloth. The bottom ends of the shearing fork arms and the supporting rods are respectively provided with a ring buckle, and the shade is connected with the shearing fork arms and the supporting rods through the ring buckles. The top of controlling the handle is equipped with the inserted block, and the top of second montant is equipped with and inserts the knot with inserted block matched with, when controlling the handle and carrying to second montant position department, inserted block and the cooperation of inserting the knot will control the handle and fix on the second montant. The first vertical rod is a sleeve rod with a cavity inside, the second vertical rod is located in the first vertical rod and can move up and down along the first vertical rod, a locking screw rod is further arranged on the first vertical rod, and the second vertical rod can be fixed on the first vertical rod by screwing the locking screw rod.

The invention has the positive effects that: the RTV spraying protective cover for the tension string insulator effectively solves the problem that paint drifts seriously in RTV spraying operation, so that civil problems caused by the paint drifts in the link of RTV spraying operation in new line construction and old line overhaul are greatly reduced, pollution of the paint drifts to non-spraying parts in RTV spraying operation is reduced, and construction quality is effectively improved. The shade has good expansibility, wide transverse expansion coverage area and large longitudinal adjustment range, can be suitable for insulator equipment of various types, and has remarkable popularization. The whole structure has the advantages of simple and compact structure, light weight, easy carrying, convenient movement and the like, and the installation time consumption is low, the scissor arms at the two sides of the mounting plate not only meet the bearing capacity and the expansion performance, but also are not easy to deform, the balance after the two sides are stretched is strong, and the overhead operation is more convenient.

Drawings

FIG. 1 is a schematic three-dimensional perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A in FIG. 2;

FIG. 4 is an enlarged view of a portion of I in FIG. 3;

FIG. 5 is a view in the direction B of FIG. 4;

Fig. 6 is a schematic view of the structure shown in fig. 3 in a stored state.

In the figure 1, a shade 2 is arranged on a first vertical rod 4, a second vertical rod 5, a hook 6, a positioning baffle 7, a supporting rod 9 of a shearing fork arm 8, a vertical moving sliding block 10, a sliding groove 11 and a pull rod 12 are arranged, a handle 13, a ring buckle 14, a plug block 15, a plug buckle 16 and a locking screw are controlled.

Detailed Description

The invention discloses an RTV spraying protection cover for a tension string insulator, which comprises a shade 1, wherein hanging connection devices are arranged at two end positions of the shade 1, as shown in fig. 3 and 4, the hanging connection devices comprise a mounting plate 2, the top of the mounting plate 2 is fixedly connected with a first vertical rod 3, the first vertical rod 3 is vertically arranged, a hanging device is arranged on the first vertical rod 3, the hanging device comprises a second vertical rod 4, the second vertical rod 4 can be fixedly connected to the first vertical rod 3, two sides of the top position of the second vertical rod 4 are hinged with arc-shaped hooks 5, and a horizontal positioning baffle 6 is further arranged at the upper part of the hinged position of the hooks 5 and the second vertical rod 4 so as to ensure that when the hooks 5 at two sides are hung on the insulator, the hooks are not turned over continuously, and the mounting stability of the insulator is ensured.

As shown in fig. 3, two sides of the mounting plate 2 are provided with scissor arms 7, one end of each scissor arm 7 is hinged to the mounting plate 2, the other end of each scissor arm 7 is fixedly connected with an upward-inclined supporting rod 8, the shade 1 is connected with the bottoms of the scissor arms 7 and the supporting rods 8 to form a U-shaped protection structure, and the protection structure can stretch or fold along with the stretching of the scissor arms 7 so as to adapt to the size type of the insulator, so that the insulator is convenient to construct. The lower end of a shearing fork arm 7 at the connecting position with the mounting plate 2 is hinged to the mounting plate 2, the upper end of the shearing fork arm 7 is connected with a shearing fork telescopic adjusting device, the shearing fork arm telescopic adjusting device comprises a vertical moving sliding block 9, a sliding groove 10 matched with the vertical moving sliding block 9 is formed in the mounting plate 2, two ends of the vertical moving sliding block 9 are respectively hinged to the upper end of the shearing fork arm 7, two pull rods 11 are further hinged to the upper end of the vertical moving sliding block 9, a control handle 12 is hinged to the top end of each pull rod 11, the control handle 12 is hinged to the first vertical rod 3, and the control handle 12 is rotated to drive the vertical moving sliding block 9 to move up and down so that the shearing fork arms 7 on two sides of the mounting plate 2 can stretch.

When the RTV spraying protective cover for the tension string insulator is used, the second vertical rods 4 at two sides penetrate through the space between the two insulators, the hooks 5 are hung on the insulators after being rotated to the horizontal position of the positioning baffle 6, and the two hooks 5 after stretching are in a sheep-horn shape, are firm and durable, can be directly hung at the connection position of the steel anchors of the insulators, do not need to be specially provided with hanging points, and are less influenced by environmental factors. The distance between the two suspension connection devices is adjusted so as to adapt to the working distance of RTV spraying on the length direction of the insulator, the control handle 12 is pulled to move downwards, the control handle drives the vertical moving sliding block 9 to move downwards, the shearing fork arms 7 on the two sides of the mounting plate 2 are gradually stretched, after the stretching is completed, the control handle 12 is in a relatively static stable state under the gravity action of the shade 1, the shearing fork arms 7 and the vertical moving sliding block 9, so that the control handle is stably covered under the insulator equipment in the width direction, and the coating drifting in the RTV spraying operation is received.

Preferably, the shade 1 is made of TPU waterproof cloth, the TPU waterproof cloth has high air permeability and waterproof performance, ultra-high wear resistance, cold resistance, high tensile strength and elongation, is suitable for field operation environment, has toughness which ensures that cracks can not occur under the condition of repeated folding, and is suitable for adjusting the receiving area of the shade 1 by telescopic folding of the scissor arms.

Preferably, the bottom of shearing arm 7 and vaulting pole 8 all is equipped with the latch closure 13, is connected through the latch closure between shade 1 and shearing arm 7 and the vaulting pole 8, the firm and convenient repeated shade 1 of changing of connected mode, the operation of its dismouting is more simple and convenient, and latch closure 13 is convenient easy-to-obtain moreover, and is not fragile, and the durability is stronger, especially adapted uses as the connecting piece.

Preferably, as shown in fig. 5, the top end of the control handle 12 is provided with an insert block 14, the top end of the second vertical rod 4 is provided with an insert buckle 15 matched with the insert block 14, as shown in fig. 6, when the control handle 12 is lifted to the position of the second vertical rod 4, the insert block 14 is matched with the insert buckle 15 to fix the control handle 12 on the second vertical rod 4, the scissor arm 7 is in a contracted state, the hook 5 rotates to the vicinity of the first vertical rod 3 along the hinge point under the dead weight, at this time, the overall equipment storage state is schematically shown, and the occupied space is greatly reduced compared with the use state.

Preferably, in order to adapt to insulator devices with different diameter types, the first vertical rod 3 is a sleeve rod with a cavity inside, the second vertical rod 4 is located in the first vertical rod 3 and can move up and down along the first vertical rod, so that the shearing fork arms 7 at the position of the mounting plate 2 can be located at the lower part of the insulator device to stretch smoothly, the first vertical rod 3 is further provided with a locking screw 16, and the second vertical rod 4 can be fixed on the first vertical rod 3 by screwing the locking screw 16, so that the stability of the whole device in the vertical direction is ensured.

The technical scheme of the invention is not limited to the scope of the embodiments of the invention. The technical content that is not described in detail in the invention is known in the prior art.

Claims (3)

1. A RTV spray protective cover for a tension string insulator, characterized in that it comprises a cover (1), and a suspension connection device is provided at both ends of the cover (1), the suspension connection device comprises a mounting plate (2), the top of the mounting plate (2) is fixedly connected to a first vertical rod (3), a suspension device is provided on the first vertical rod (3), the suspension device comprises a second vertical rod (4), arc-shaped hooks (5) are hinged on both sides of the top position of the second vertical rod (4), and a horizontal positioning baffle (6) is also provided at the upper part of the hinge position of the hook (5) and the second vertical rod (4), and the mounting plate is fixedly connected to the first vertical rod (3) at the top of the second vertical rod (4). Scissor arms (7) are provided at both sides of the mounting plate (2), one end of each scissor arm (7) is hinged on the mounting plate (2), the other end of the scissor arm (7) is fixedly connected to an upwardly inclined support rod (8), the shield (1) is connected to the bottom of the scissor arm (7) and the support rod (8) to form a U-shaped protective structure, and can be stretched or folded following the extension and contraction of the scissor arms (7), wherein the lower end of the scissor arm (7) at the connection position with the mounting plate (2) is hinged on the mounting plate (2), and the upper end of the scissor arm (7) is connected to the scissor arm extension and contraction adjustment device, and the scissor arm extension and contraction adjustment device includes a vertical displacement control device and a vertical displacement control device. The slider (9) is provided with a slide groove (10) matched with the vertical slider (9) on the mounting plate (2). The two ends of the vertical slider (9) are respectively hinged to the upper ends of the scissor arms (7). Two pull rods (11) are also hinged on the upper ends of the vertical slider (9). The top ends of the pull rods (11) are hinged with a control handle (12). The control handle (12) is hinged on the first vertical rod (3). The control handle (12) is rotated to drive the vertical slider (9) to move up and down, so that the scissor arms (7) on both sides of the mounting plate (2) can be extended and retracted. The top ends of the control handles (12) are provided with plug blocks (14). ), a buckle (15) cooperating with the plug block (14) is provided at the top end of the second vertical rod (4); when the control handle (12) is lifted to the position of the second vertical rod (4), the plug block (14) cooperates with the buckle (15) to fix the control handle (12) on the second vertical rod (4); the first vertical rod (3) is a sleeve rod with a cavity inside, the second vertical rod (4) is located inside the first vertical rod (3) and can move up and down along the first vertical rod (3), and a locking screw (16) is also provided on the first vertical rod (3); tightening the locking screw (16) can fix the second vertical rod (4) on the first vertical rod (3). 2. The RTV spray protective cover for tension string insulators according to claim 1, characterized in that the cover (1) is made of TPU waterproof cloth. 3. A RTV spray protective cover for tension string insulators according to claim 1, characterized in that: the bottom ends of the scissor arms (7) and the support rods (8) are provided with buckles (13), and the cover (1) is connected to the scissor arms (7) and the support rods (8) through the buckles.