CN103498634A - Insulating single ladder with embrace hoop device - Google Patents

Abstract

The invention discloses an insulating single ladder with a hoop device, which comprises an insulating single ladder body, the upper end of the insulating single ladder body is provided with a hoop device, and the hoop device includes a left hoop, a support body and a right The hoop, the left hoop, the support body and the right hoop are integrally structured, and the left hoop and the right hoop are symmetrically arranged, and the left and right ends of the support body are symmetrically provided with a single-ladder locking device, and the locking The device includes a steel sleeve, on which a locking bolt is threaded, the upper end of the vertical rod of the insulating single ladder body is inserted into the corresponding steel sleeve, and the corresponding vertical rod of the insulating single ladder body is locked by the locking bolt . By adopting the above technical scheme, the hoop device at the upper end of the insulating single ladder body can automatically lock the horizontal objects such as concrete pillars, firmly clamped on the fixed objects, and ensure the safety during operation, and the structure is simple, easy to operate and safe reliable.

Description

An insulated single ladder with a hoop device

technical field

The invention relates to the field of single ladders, in particular to an insulating single ladder with a hoop device.

Background technique

In the electric power industry, insulated single ladders are often used for climbing operations on equipment such as 220kV voltage transformers, metal zinc oxide arresters, and current transformers. However, the ordinary insulated single ladders currently on the market still follow the previous design, with a low safety factor, which cannot well guarantee the safety of our electric workers. Moreover, due to the limitation of the working environment, the contact position between the top of the ordinary insulating single ladder and the concrete pillar is relatively smooth, so it is prone to slipping left and right, which brings potential danger to the climbing operation.

Contents of the invention

Aiming at the deficiencies in the prior art, the object of the present invention is to provide an insulating single ladder with a hoop device which is simple in structure, safe and reliable, and easy to use.

In order to achieve the above object, the present invention provides the following technical solutions: an insulating single ladder with a hoop device, including an insulating single ladder body, the upper end of the insulating single ladder body is provided with a hoop device, and the hoop device It includes a left hoop, a support body and a right hoop, the left hoop, the support body and the right hoop are integrally structured, and the left hoop and the right hoop are symmetrically arranged, and the left and right ends of the support body are symmetrically provided with single Ladder locking device, the single-ladder locking device includes a steel sleeve, the steel sleeve is pierced with locking bolts, the upper end of the vertical bar of the insulating single-ladder body is inserted into the corresponding steel sleeve, and is passed through the locking bolt Lock the vertical bar of the corresponding insulating single ladder body.

By adopting the above technical scheme, the hoop device at the upper end of the insulating single ladder body can automatically lock the horizontal objects such as concrete pillars, and firmly clamp on the fixed objects to ensure the safety during operation, and the structure is simple, easy to operate and safe. reliable.

The present invention is further configured as follows: the middle parts of the left hoop and the right hoop are both arc-shaped, and the inner surfaces of the left hoop and the right hoop are provided with a plurality of positioning parts. With this setting, the positioning member can increase the friction force between the hoop and the fixed object, which is not easy to slide and is safer and more reliable.

In the present invention, it is further provided that: the plurality of positioning members are fixedly arranged raised lines, and each said raised line is in an "S" shape. Through this arrangement, the structure of the positioning member is reasonably arranged, and the work is more reliable.

The present invention is further set as: the outer surface of the steel sheath is provided with a layer of insulating paint. Through this setting, it is possible to prevent workers from accidentally touching and getting an electric shock.

The present invention is further configured as follows: the left hoop, the support body and the right hoop are uniform steel bars, and an electric leakage alarm is installed in the middle of the support body. Through this setting, when there is leakage on the left hoop, support body and right hoop, it will be quickly transmitted to the leakage alarm, and the leakage alarm will send out an alarm prompt.

The present invention is further configured as follows: the left and right ends of the support body are symmetrically provided with connecting blocks, the connecting blocks are in an "L" shape, and the connecting block and the supporting body are integrally structured. Through this setting, the structure of the connection block is set reasonably.

The present invention is further configured as: the steel sleeve and the connecting block are locked and fixed by connecting bolts. Through this setting, the connection between the steel sleeve and the connecting block is convenient and reliable.

In the present invention, it is further provided that two electric leakage alarms are arranged side by side on the front end surface of the support body. Through this setting, when one leakage alarm is broken, the other can be used normally, which is safer and more reliable.

The present invention is further configured as follows: a fixing plate is arranged in the steel sleeve close to the locking bolt, and the locking bolt pushes the fixing plate to clamp the vertical rod. Through this setting, the locking bolt is more reliably fixed to the single ladder through the fixing plate.

The advantages of the present invention are: compared with the prior art, the structure of the present invention is reasonably arranged, and a hoop device is installed on the upper end of the insulating single ladder. The hoop device can automatically lock horizontal objects such as concrete pillars, and firmly In terms of material, the safety of operation is guaranteed, and the structure is simple, the operation is convenient, safe and reliable.

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is the structural representation of the embodiment of the present invention;

Fig. 2 is a structural schematic diagram 1 of a single-ladder locking device according to an embodiment of the present invention;

Fig. 3 is the second structural schematic diagram of the single-ladder locking device according to the embodiment of the present invention.

Detailed ways

Example 1

Referring to Fig. 1, an insulating single ladder with a hoop device disclosed in the present invention includes an insulating single ladder body 1, and a hoop device is arranged on the upper end of the insulating single ladder body 1, and the hoop device includes a left hoop The hoop 2, the support body 3 and the right hoop 4, the left hoop 2, the support body 3 and the right hoop 4 are integrally structured, and the left hoop 2 and the right hoop 4 are symmetrically arranged, and the support body 3 is left and right Both ends are symmetrically provided with a single-ladder locking device. The single-ladder locking device includes a steel sleeve 5, and a locking bolt 6 is pierced on the steel sleeve 5. The upper end of the vertical rod 11 of the insulating single-ladder body 1 is inserted into the Corresponding steel sleeve 5, and lock the vertical rod 11 of the corresponding insulating single ladder body 1 through the locking bolt 6.

In order to make the structure of the present invention simpler and more reasonable, as preferred, the middle parts of the left hoop 2 and the right hoop 4 in this embodiment are arc structures, and the inner surfaces of the left hoop 2 and the right hoop 4 are provided with A plurality of positioning parts 7. The plurality of positioning pieces 7 are fixed raised lines, and each said raised line is in an "S" shape.

The outer surface of the steel sleeve 5 is provided with a layer of insulating paint 8 . The left hoop 2, the support body 3 and the right hoop 4 are uniform steel bars, and an electric leakage alarm 9 is installed in the middle of the support body 3. The electric leakage alarm 9 of this embodiment includes a neon tube, a piezoelectric ceramic sheet and a resistor to form an audible and visual alarm circuit, which is connected to the support body 3 and can quickly send out an audible and visual alarm when electric leakage occurs in an electrical appliance. This technology is well known to those skilled in the art, so it will not be described in this embodiment.

The left and right ends of the supporting body 3 are symmetrically provided with connecting blocks 10 , the connecting blocks 10 are in an "L" shape, and the connecting blocks 10 and the supporting body 3 are integrally structured. The steel sleeve 5 and the connecting block 10 are locked and fixed by connecting bolts 101 .

The hoop device of the present invention is installed on the upper end of the vertical bar of the insulating single ladder, which can automatically lock horizontal objects such as concrete pillars, and be firmly stuck on the fixed objects, ensuring the safety during operation and giving full play to the safety hoop The simple, convenient and fast operation method not only saves time and effort, but also avoids the danger of tilting and slipping of the ladder during climbing operations, and provides safety guarantee for high-altitude workers, which greatly improves the safety factor.

Example 2

Referring to FIG. 1 , FIG. 2 and FIG. 3 , this embodiment 2 is improved on the basis of embodiment 1, and two leakage alarms 9 are arranged side by side on the front face of the support body 2 . When one leakage alarm is broken, the other can be used normally, which is safer and more reliable.

A fixing plate 12 is arranged inside the steel sleeve 5 close to the locking bolt 6 , and the locking bolt 6 pushes the fixing plate 6 to clamp the vertical rod 11 . The fixed plate 12 can be arranged in a circular structure or a rectangular structure, and the middle part of the fixed plate of the circular structure is fixed with the locking bolt 6 to form linkage; a connecting sleeve 121 can be arranged on the fixed plate 12 of the rectangular structure, and one end of the connecting sleeve 121 It is fixedly connected with the fixing plate 12 , and the other end of the connecting sleeve 121 is movably connected with the locking bolt 6 . The contact surface between the fixed plate of the circular structure and the fixed plate of the rectangular structure is large, and the fixing of the locking bolt through the fixed plate and the vertical bar of the single ladder is more reliable.

The specific description of the present invention in the above-mentioned embodiments is only used to further illustrate the present invention, and can not be interpreted as limiting the protection scope of the present invention. Technical engineers in the field make some non-essential improvements and adjustments to the present invention according to the content of the above-mentioned invention. Into the protection scope of the present invention.

Claims (9)

1. the insulation with anchor ear device is single terraced, comprise the single terraced body (1) of insulation, it is characterized in that: the single terraced body (1) of described insulation upper end is provided with anchor ear device, described anchor ear device comprises left anchor ear (2), supporter (3) and right anchor ear (4), described left anchor ear (2), supporter (3) and right anchor ear (4) are structure as a whole, and left anchor ear (2) and right anchor ear (4) are symmetrical arranged, described supporter (3) two ends, left and right are symmetrically arranged with single terraced locking device, the terraced locking device of described list comprises steel bushing (5), be equipped with lock bolt (6) on described steel bushing (5), insert in corresponding steel bushing (5) montant (11) upper end of the described single terraced body of insulation (1), and lock the singly montant (11) of terraced body (1) of corresponding insulation by lock bolt (6).

2. a kind of insulation with anchor ear device according to claim 1 is single terraced, it is characterized in that: the middle part of described left anchor ear (2) and right anchor ear (4) is arc structure, and left anchor ear (2) and right anchor ear (4) inner surface are provided with a plurality of keepers (7).

3. a kind of insulation with anchor ear device according to claim 2 is single terraced, it is characterized in that: the raised line of described a plurality of keepers (7) for being fixedly installed, described each raised line is the serpentine structure.

4. a kind of insulation with anchor ear device according to claim 3 is single terraced, and it is characterized in that: described steel bushing (5) external surface is provided with one deck coatings layer (8).

5. the single ladder of a kind of insulation with anchor ear device according to claim 4, is characterized in that: the even steel bar of described left anchor ear (2), supporter (3) and right anchor ear (4), described supporter (3) middle part installation leakage alarm (9).

6. a kind of insulation with anchor ear device according to claim 5 is single terraced, it is characterized in that: described supporter (3) two ends, left and right are symmetrically arranged with contiguous block (10), the L-shaped structure of described contiguous block (10), described contiguous block (10) is structure as a whole with supporter (3).

7. a kind of insulation with anchor ear device according to claim 6 is single terraced, and it is characterized in that: described steel bushing (5) is locked by connecting bolt (101) with contiguous block (10).

8. the single ladder of a kind of insulation with anchor ear device according to claim 5, is characterized in that: on described supporter (3) front end face, be arranged side by side two leakage alarms (9).

9. a kind of insulation with anchor ear device according to claim 8 is single terraced, it is characterized in that: be provided with fixed head (12) near lock bolt (6) in described steel bushing (5), described lock bolt (6) promotes fixed head (6) and clamps montant (11).

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