CN203550813U

CN203550813U - Insulated foldable hard ruler

Info

Publication number: CN203550813U
Application number: CN201320384152.7U
Authority: CN
Inventors: 王磊; 季斌; 黄静; 章自胜
Original assignee: State Grid Corp of China SGCC; Hubei Electric Power Transmission and Distribution Engineering Co Ltd
Current assignee: State Grid Corp of China SGCC; Hubei Electric Power Transmission and Distribution Engineering Co Ltd
Priority date: 2013-06-28
Filing date: 2013-06-28
Publication date: 2014-04-16
Anticipated expiration: 2023-06-28

Abstract

The utility model provides an insulated foldable hard ruler which comprises a plurality of insulating strips and a plurality of connecting fasteners. The plurality of insulating strips are made of insulating material and have equal lengths. The number of the connecting fasteners is smaller than the number of the insulating strips for one. The insulating strips are sequentially connected end to end through the connecting fasteners. Two adjacent insulating strips can be folded selectively around the connecting fastener as a base point. The insulating foldable hard ruler provided by the utility model has functions of: changing a traditional measuring tool and method; realizing high convenience, small weight and convenient carrying; realizing suitability for measuring multiple rod towers in multiple directions; facilitating operation efficiency improvement of rod climbing operation personnel; improving measurement accuracy; and reducing unnecessary repeated measurement.

Description

The folding hard chi of insulation

[technical field]

The utility model relates to power transmission and transformation field, particularly a kind of hard pipe bus earthing device.

[background technology]

Before " equipotential " hot line job is carried out in transmission line of alternation current, work ticket signed by or work responsible official think while being necessary scene to reconnoitre, and should organize and carry out site inspection.In the process of reconnoitring at the scene, because circuit body is in electriferous state, the use on instrument is had to certain limitation, especially survey instrument is had to very high requirement.Such as: on charged shaft tower, measure, anticorrosion, walkaround inspection, tight shaft tower bolt, remove on shaft tower the work such as foreign matter, operating personnel's scope of activities and the instrument carrying, material etc., must not be less than the regulation in following table with live wire minor increment.

On table 1 alive circuit shaft tower during operation and live wire minimum safe distance

Electric pressure

10KV and following

20～35KV

66～110KV

220KV

330KV

500KV

Safe distance

0.70m

1.00m

1.50m

3m

4m

5m

As can be seen here, on charged shaft tower, the use of survey instrument is a requisite link in site inspection.When applicant measures on the charged shaft tower in 500kV transmission line of alternation current, in real work, run into following problem:

(1) while adopting insulation lining rope to measure, when operating personnel has dressed screening clothing that a complete set is qualified or the upper tower operation of static clothes, must two people coordinate simultaneously, utilize the lining rope that insulate to measure insulator chain progress row.Because insulator conductor wire end is charged, personnel cannot enter highfield.And insulation lining rope can be subject to the impact of wind and ductility own, can there is the problem of measuring inaccurate inconvenient operation.

(2) while using laser range finder to measure, can be subject to again the impact of strong sunlight, the infrared exit point of laser range finder cannot be seen clearly and cause measurement cannot carry out or measure inaccurate problem.

(3) if measure the long operation of insulator chain with insulating bar, insulating bar body weight is very much not easy to carry.

In view of the above problems, develop a kind of high-tension electricity point operation survey instrument that can save running time, reduction potential safety hazard, save operating personnel's muscle power in fact for necessary.

[utility model content]

In view of this, for overcoming the above-mentioned deficiency of prior art, the utility model provides a kind of folding hard chi of insulation that uses safety convenient.

The utility model provides a kind of insulation to fold hard chi, the folding hard chi of described insulation comprises several insulation strip and junction button, described several insulation strip is made by insulating material and is equal in length, few one than the number of described insulation strip of the number of described junction button, described insulation strip adopts described junction button to join end to end successively in order, and described two adjacent insulation strip selectively be take described junction button as the folding gathering of basic point.

In an embodiment, the folding hard chi of described insulation is joined end to end and forms in order by 5 described insulation strip and 4 described junction buttons therein.

In an embodiment, the physical length of described insulation strip is greater than 1 meter therein, and effective measurement length of described insulation strip is 1 meter.

Therein in an embodiment, it is rectangular that the insulcrete that described insulcrete is 1 centimetre for long 1 meter, wide 3.5 centimetres, thickness is made.

The folding hard chi of insulation of the present utility model has changed traditional survey instrument and method, it is conveniently lightly easy to carry, and is applicable to the measurement of multi-faceted many shaft towers, and minimizing is stepped on bar operating personnel and improved operating efficiency, improve the accuracy of measuring, reduce unnecessary duplicate measurements.

[accompanying drawing explanation]

Fig. 1 is the deployed condition structural representation of the folding hard chi of preferred embodiment insulation of the present utility model.

Fig. 2 is the structural representation of half rounding state of the folding hard chi of insulation in Fig. 1.

Fig. 3 is the structural representation of the full rounding state of the folding hard chi of insulation in Fig. 1.

[embodiment]

For understanding better the utility model, below with reference to accompanying drawing and instantiation, the utility model is described in detail.

Refer to Fig. 1, Fig. 2 and Fig. 3, the folding hard chi of preferred embodiment insulation of the present utility model comprises insulation strip 10 and junction button 20 two parts, in the folding hard chi of each insulation, have several insulation strip equal in length 10, insulation strip 10 adopts junction button 20 to join end to end successively in order.Two adjacent insulation strip 10 can be closed up (referring to Fig. 2) for basic point is mutually folding by junction button 20, draw in (referring to Fig. 3) until last.Insulation strip 10 is to take insulcrete to make as main material, can complexed metal or nonmetallic junction button 20 be jointly processed into the folding hard chi of insulation.

In the illustrated embodiment, the folding hard chi of insulation is joined end to end and forms in order by 5 insulation strip 10 and 4 junction buttons 20.

In the illustrated embodiment, effective measurement length of insulation strip 10 is 1 meter, and its physical length is slightly larger than 1 meter, by the full extension length of the folding hard chi of the rear insulation of junction button 20, is 5 meters.

In the illustrated embodiment, insulation strip 10 can be processed in the following manner: it is totally 5 of the rectangular insulcretes of 1 centimetre that insulcrete is cut into long 1 meter, wide 3.5 centimetres, thickness, then with junction button 20, insulation strip 10 is combined.By the way, after can being folded, be that 1 meter long, 3.5 centimetres wide, thickness are the folding hard chi of insulation of 5 centimetres, its trail 5 meters long, 3.5 centimetres wide, 1 cm thick.

In other preferred embodiment, the number of insulation strip 10 and length can be adjusted according to actual conditions.When the number of insulation strip 10 changes, the number of junction button 20 also changes thereupon, few one than the number of insulation strip 10 of the number of junction button 20.

In the above-described embodiments, insulation strip 10 can be processed in the following manner: it is rectangular insulcrete totally 5 common combinations of 1 centimetre that insulcrete is cut into long 1 meter, wide 3.5 centimetres, thickness.After folding, be that 1 meter long, 3.5 centimetres wide, thickness are the folding hard chi of insulation of 5 centimetres, trail 5 meters long, 3.5 centimetres wide, thickness are the hard chi of insulation measurement of 1 centimetre.

The folding hard chi of insulation of the present utility model is applicable to measure on 500KV electric pressure and following charged shaft tower that insulator chain is long, cross-arm is long, hardware string is long, line length, etc. meet whole linear measure longimetrys that the design's electric pressure requires.

The hard chi of folding insulation of the present utility model changes traditional survey instrument and method, it is conveniently lightly easy to carry, and is applicable to the measurement of multi-faceted many shaft towers, and minimizing is stepped on bar operating personnel and improved operating efficiency, improve the accuracy of measuring, reduce unnecessary duplicate measurements.The hard chi practicality of folding insulation of the present utility model is high, easily popularizes, and will become the emergent another lifting of reconnoitring disposing capacity of hot line job team.

The above exemplifying embodiment has only been expressed part embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.

Claims

1. an insulation folds hard chi, it is characterized in that: the folding hard chi of described insulation comprises several insulation strip and junction button, described several insulation strip is made by insulating material and is equal in length, few one than the number of described insulation strip of the number of described junction button, described insulation strip adopts described junction button to join end to end successively in order, and described two adjacent insulation strip selectively be take described junction button as the folding gathering of basic point.

2. the folding hard chi of insulation according to claim 1, is characterized in that: the folding hard chi of described insulation is joined end to end and forms in order by 5 described insulation strip and 4 described junction buttons.

3. the folding hard chi of insulation according to claim 1, is characterized in that: the physical length of described insulation strip is greater than 1 meter, and effective measurement length of described insulation strip is 1 meter.

4. the folding hard chi of insulation according to claim 1, is characterized in that: it is rectangular that the insulcrete that described insulation strip is 1 centimetre for long 1 meter, wide 3.5 centimetres, thickness is made.