CN215934298U

CN215934298U - A backplate is prevented trampling for transmission line insulator chain

Info

Publication number: CN215934298U
Application number: CN202122346605.4U
Authority: CN
Inventors: 本豫辽
Original assignee: Changge Power Supply Co Of State Grid Henan Electric Power Co
Current assignee: Changge Power Supply Co Of State Grid Henan Electric Power Co
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-03-01
Anticipated expiration: 2031-09-27

Abstract

The utility model discloses a trample prevention guard plate for an insulator string of a power transmission line, which comprises a guard plate, a damping device, a guard cap and a timing alarm, wherein the damping device is arranged at the bottom end of the guard plate; in summary, the utility model has the advantages of good protection effect, stability, reliability and portability.

Description

A backplate is prevented trampling for transmission line insulator chain

Technical Field

The utility model relates to a guard plate, in particular to a trample prevention guard plate for an insulator string of a power transmission line.

Background

When the high-altitude operation such as maintenance of a power transmission line, cleaning of dust accumulation of an insulator string or defect treatment is carried out, an outside worker needs to walk along a lead, and when the outside worker walks, feet can step on an umbrella skirt (a strain-resistant tower) of the insulator string, wherein the insulator string applied to the power transmission line is made of silicon rubber, so that the insulator string is light in weight, strong in hydrophobicity and reliable in insulating property, is generally applied to the power transmission line, and when the insulator string is stepped on, cracks and damages can be caused on the umbrella skirt, a sheath and a core rod, so that the aging of vulcanized silicon rubber is accelerated, the sealing property is seriously reduced, the aging and corrosion of the core rod can be accelerated under the action of an external environment, the mechanical strength and the external insulation level of the core rod can be reduced to a certain extent, particularly, the insulator string made of the silicon rubber material which runs for 3 years or more, is easily subjected to various environmental conditions such as wind, rain, sunshine, electric field intensity and the like, the method has the advantages that cracks are formed on umbrella skirts of the insulator strings, the insulation strength of the insulator strings is fatally damaged, the operation reliability of a power transmission line is affected, and the safe operation of the power transmission line of a high-voltage power grid is seriously endangered.

Therefore, in order to solve the above problems, it is necessary to develop a guard plate for preventing trampling of an insulator string of a power transmission line.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art, and provides the anti-treading guard plate for the insulator string of the power transmission line, which has the advantages of good protection effect, convenience in carrying and transmission, reminding function and capability of preventing the guard plate from being forgotten to be removed after being used.

The purpose of the utility model is realized as follows: a trample prevention guard plate for an insulator string of a power transmission line comprises a guard plate, a damping device, a guard cap and a timing alarm, wherein the damping device is arranged at the bottom end of the guard plate, the guard cap is arranged at the bottom end of the damping device, the timing alarm is further arranged on the guard plate, the damping device comprises a first hinge seat, a first hinge rod, a second hinge seat, a third hinge seat, a spring, a sliding block, a sliding seat and a sliding groove, the first hinge seat is arranged at the bottom end of the guard plate, the first hinge seat is respectively and hingedly connected with the first hinge rod and the second hinge rod, the other end of the first hinge rod is hinged with the second hinge seat, the other end of the second hinge rod is hinged with the third hinge seat, the spring is arranged between the second hinge seat and the third hinge seat, and the sliding block is respectively arranged at the bottom ends of the second hinge seat and the third hinge seat, the novel protective cap is characterized in that a sliding groove is formed in the sliding seat, the second hinged seat and the third hinged seat are slidably connected with the sliding seat through sliding groove sliding blocks respectively, the bottom of the sliding seat is fixedly connected with the top end of a protective cap, the bottom of the protective cap is open, a protective rubber mat is arranged on the top end of the interior of the protective cap, and an arched containing groove is formed in the bottom surface of the protective rubber mat.

The protection plate is a rectangular plate-shaped structure matched with the length and the width of the double-insulator string.

The protection plate both ends are provided with the through-hole to can dismantle fixed connection through the right angle link plate of bolt and nut and insulator gold utensil, perhaps can dismantle fixed connection through the right angle link plate of elasticity pivot and insulator gold utensil.

And a rope hole is formed in one end of the protection plate, and a protection rope is arranged in the rope hole in a penetrating manner.

The timing alarm is embedded on the protection plate and is provided with an outer protection shell.

The timing alarm adopts an acousto-optic timing alarm device.

The top end of the protection plate is provided with a rubber anti-skid layer.

The utility model has the beneficial effects that: according to the utility model, through the arrangement of the protection plates, the insulator string can be effectively protected, and the protective effect can be played on trampling of operators who climb a tower to inspect a power transmission line, walk along a lead to inspect a line and overhaul, so that the insulator string in a horizontal arrangement mode cannot be damaged due to trampling, and new defects are increased; the timing alarm is arranged, so that the finishing time can be set on the alarm device according to the planned working time of the line work ticket, and when the protection plate is forgotten to be removed, the timing alarm can generate alarm sound to remind an operator to remove the protection plate according to the set time; the protective cap is arranged at the bottom end of the protective plate, so that the protective cap can be covered on the umbrella skirt of the insulator string during use, the protective plate is prevented from directly contacting with the umbrella skirt of the insulator string to crush the insulator string, meanwhile, the protective rubber pad is arranged in the protective cap, the bottom end of the protective rubber pad is provided with an arched containing groove matched with the arc-shaped edge of the umbrella skirt of the insulator string, and the protective rubber pad can be directly buckled on the umbrella skirt of the insulator string, so that the protective cap not only can further protect the insulator string, but also can ensure that the protective plate is integrally placed more stably and reliably; the shock absorption device is arranged between the protection plate and the protection cap, so that the pressure generated during treading can be effectively reduced, and the protection effect is better; in summary, the utility model has the advantages of good protection effect, stability, reliability and portability.

Drawings

Fig. 1 is a schematic front view of the present invention.

FIG. 2 is a schematic view of the connection structure of the helmet and the insulator string according to the present invention.

Fig. 3 is a side view of the present invention.

Fig. 4 is an enlarged schematic view of a portion a of fig. 3.

In the figure: 0. the protective device comprises an insulator string 1, a protective plate 2, a damping device 3, a protective cap 4, a timing alarm 201, a first hinged seat 202, a first hinged rod 203, a second hinged rod 204, a second hinged seat 205, a third hinged seat 206, a spring 207, a sliding block 208, a sliding seat 209, a sliding groove 301, a protective rubber pad 302 and a containing groove.

Detailed Description

The technical scheme of the utility model is further specifically described below with reference to the accompanying drawings.

As shown in fig. 1, 2, 3 and 4, the anti-treading guard plate for the insulator string of the power transmission line comprises a guard plate 1, a damping device 2, a guard cap 3 and a timing alarm 4, wherein the damping device 2 is arranged at the bottom end of the guard plate 1, the guard cap 3 is arranged at the bottom end of the damping device 2, the timing alarm 4 is further arranged on the guard plate 1, preferably, the guard plate 1 is of a rectangular plate-shaped structure matched with the length and the width of the double-insulator string, through holes are formed in two ends of the guard plate 1 and are detachably and fixedly connected with a right-angle hanging plate of an insulator hardware fitting through bolt nuts or are detachably and fixedly connected with the right-angle hanging plate of the insulator hardware fitting through elastic shaft pins, a rope hole is further formed in one end of the guard plate 1, a guard rope penetrates through the rope hole, and the guard rope mainly has the functions of being convenient for carrying the guard plate and transmitting the guard plate up and down when the station is replaced, the top end of the protection plate 1 is provided with a rubber anti-skid layer; preferably, the timing alarm 4 is embedded on the protection plate 1 and is provided with an outer protection shell, the outer protection shell mainly plays a role in preventing collision and pressing, a working button of the timing alarm can be arranged on a panel of the outer protection shell, and the technology belongs to the prior art, so that specific limitation is not made any more; preferably, the timing alarm 4 is an acousto-optic timing alarm device, the timing alarm 4 may include a power module, a timing module, an alarm module and a control module, and can autonomously set timing time, autonomously set system time and timing end time, the alarm mode may employ an indicator and a buzzer or may also be configured with a speaker with a sound amplifying function, the timing mode may be a circular timing mode, the timing precision unit may be second, the power supply may employ a dc 12V battery, it should be noted that the timing alarm 4 belongs to the prior art, the above functions can be realized by the prior art, and the above embodiment is only a preferred scheme of the present application, and belongs to the common general knowledge for the skilled in the art, and no other special requirements are made in the present application, only it needs to realize the timing alarm function described in the present application, therefore, it is not particularly limited herein.

Wherein the damping device 2 comprises a first hinge seat 201, a first hinge rod 202, a second hinge rod 203, a second hinge seat 204, a third hinge seat 205, a spring 206, a sliding block 207, a sliding seat 208 and a sliding groove 209, the bottom end of the protection plate 1 is provided with a first hinge seat 201, the first hinge seat 201 is respectively hinged with a first hinge rod 202 and a second hinge rod 203, the other end of the first hinge rod 202 is hinged with a second hinge seat 204, the other end of the second hinge rod 203 is hinged with a third hinge seat 205, a spring 206 is arranged between the second hinge seat 204 and the third hinge seat 205, the bottom ends of the second hinge seat 204 and the third hinge seat 205 are respectively provided with a sliding block 207, the sliding seat 208 is provided with a sliding groove 209, the second hinge seat 204 and the third hinge seat 205 are slidably connected with the sliding seat 208 through a sliding groove 209 and a sliding block 207, respectively, and the bottom end of the sliding seat 208 is fixedly connected with the top end of the protective cap 3.

Wherein, 3 bottom openings of helmet, the inside top of helmet 3 is provided with protection cushion 301, be provided with arched storage tank 302 on the protection cushion 301 bottom surface.

In the specific implementation of the utility model, the protection plate 1 is arranged on the insulator through hole, the protection cap 3 is covered on the umbrella skirt of the insulator string 0, the top end of the umbrella skirt of the insulator string 0 is inserted into the containing groove 302, meanwhile, the protection plate 1 and the right-angle hanging plate of the insulator string 0 hardware fitting can be detachably and fixedly connected together through the through holes, the bolts and the nuts or the elastic pin shafts at the two ends of the protection plate 1, when an operator steps on the protection plate 1, the first hinge seat 201 moves downwards under the action of pressure, the first hinge rod 202 and the second hinge rod 203 push the second hinge seat 204 and the third hinge 205 seat to slide towards the two sides of the chute 209, the spring 206 is stretched to effectively relieve the pressure during stepping, further protection is provided, the alarm timing 4 is used for setting alarm time on the alarm timing 4 according to the working ending time of a circuit work ticket plan, when the protection plate 1 is forgotten to be removed, the timing alarm 4 can send alarm sound to remind an operator to dismantle the protection plate 1 according to the set time, and is convenient, practical and good in protection effect.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a prevent trampling backplate for transmission line insulator chain which characterized in that: the shock-absorbing device comprises a protection plate (1), a shock-absorbing device (2), a protection cap (3) and a timing alarm (4), wherein the shock-absorbing device (2) is arranged at the bottom end of the protection plate (1), the protection cap (3) is arranged at the bottom end of the shock-absorbing device (2), the timing alarm (4) is further arranged on the protection plate (1), the shock-absorbing device (2) comprises a first hinged seat (201), a first hinged rod (202), a second hinged rod (203), a second hinged seat (204), a third hinged seat (205), a spring (206), a sliding block (207), a sliding seat (208) and a sliding groove (209), the first hinged seat (201) is arranged at the bottom end of the protection plate (1), the first hinged seat (201) is respectively hinged to be connected with the first hinged rod (202) and the second hinged rod (203), the other end of the first hinged rod (202) is hinged to be connected with the second seat (204), the other end of the second hinge rod (203) is hinged to be connected with a third hinge seat (205), a spring (206) is arranged between the second hinge seat (204) and the third hinge seat (205), the bottom ends of the second hinge seat (204) and the third hinge seat (205) are respectively provided with a sliding block (207), a sliding groove (209) is formed in the sliding seat (208), the second hinge seat (204) and the third hinge seat (205) are respectively connected with the sliding seat (208) in a sliding mode through the sliding groove (209) and the sliding block (207), the bottom end of the sliding seat (208) is fixedly connected with the top end of the protective cap (3), the bottom end of the protective cap (3) is opened, a protective rubber pad (301) is arranged at the top end inside the protective cap (3), and an arched accommodating groove (302) is formed in the bottom surface of the protective rubber pad (301).

2. The trample prevention guard board for the power transmission line insulator string as claimed in claim 1, wherein: the protection plate (1) is of a rectangular plate-shaped structure matched with the length and the width of the double-insulator string.

3. The trample prevention guard board for the power transmission line insulator string as claimed in claim 1, wherein: the protection plate (1) is provided with through holes at two ends, and can be detachably and fixedly connected with a right-angle hanging plate of the insulator hardware fitting through bolts and nuts, or can be detachably and fixedly connected with the right-angle hanging plate of the insulator hardware fitting through elastic shaft pins.

4. The trample prevention guard board for the power transmission line insulator string as claimed in claim 1, wherein: and one end of the protection plate (1) is also provided with a rope hole, and a protection rope is arranged in the rope hole in a penetrating manner.

5. The trample prevention guard board for the power transmission line insulator string as claimed in claim 1, wherein: the timing alarm (4) is embedded on the protection plate (1) and is provided with an outer protection shell.

6. The trample prevention guard board for the power transmission line insulator string as claimed in claim 1, wherein: the timing alarm (4) adopts an acousto-optic timing alarm device.

7. The trample prevention guard board for the power transmission line insulator string as claimed in claim 1, wherein: the top end of the protection plate (1) is provided with a rubber anti-skid layer.