CN220025928U - Anti-falling safety rope - Google Patents

Abstract

The utility model discloses an anti-falling safety rope, which comprises a safety rope and an expansion bolt, wherein the expansion bolt is arranged at a position two meters above a steel enclosing purlin and a steel support preassembly position, and the safety rope is arranged on the expansion bolt after being straightened; the expansion bolts are correspondingly arranged with the steel supports, and are anchored in the fender piles; the safety rope end part is fixed with a plurality of buckles, and the opening directions of the buckles are opposite to the safety rope which is mainly stressed. The anti-falling safety rope adopting the structure has the advantages that the used safety rope and expansion bolt materials are good in durability, high in strength, safe and reliable, and high falling accidents during erection and dismantling of the steel support can be effectively prevented; the safety rope and the expansion bolts are low in cost, can be recycled, are simple and feasible in installation process, are quick in material replacement, and are environment-friendly.

Description

Anti-falling safety rope

Technical Field

The utility model relates to the technical field of safety ropes, in particular to an anti-falling safety rope.

Background

Three methods of open excavation, cover excavation and underground excavation are commonly used for subway station construction, and a covering method, an expanding excavation method and the like are also not commonly used, wherein the open excavation method is most commonly used for construction. The open cut method is a construction method of excavating a foundation pit under the protection of a certain supporting system and then constructing an underground engineering main body structure in the foundation pit.

Due to the advantages of strong stratum adaptability, short construction period, low cost and the like of the open cut method, the open cut method is widely applied to various cities in China in recent years. However, when the open cut foundation pit is erected, dismantled and cleaned with steel supports and slag soil on the steel purlin, workers walk or work on the steel supports and the steel purlin without tying safety belts, and high falling accidents are easily caused.

Disclosure of Invention

The utility model aims to provide an anti-falling safety rope, which is used for a worker to tie a safety belt in advance when a steel support is erected, dismantled and slag soil on a steel purlin is cleaned in an open cut foundation pit, so that the accident of falling casualties at a high position is reduced.

In order to achieve the above purpose, the utility model provides an anti-falling safety rope, which comprises a safety rope and an expansion bolt, wherein the expansion bolt is arranged at the position two meters above a steel enclosing purlin and a steel support preassembly position, and the safety rope is straightened and then is arranged on the expansion bolt; the expansion bolts are correspondingly arranged with the steel supports, and are anchored in the fender piles; the safety rope end part is fixed with a plurality of buckles, and the opening directions of the buckles are opposite to the safety rope which is mainly stressed.

Preferably, the safety rope is an anti-freezing sun-proof plastic-coated steel wire rope not less than 6mm, and has no defects of broken wire, broken strand, burn, corrosion and serious deformation.

Preferably, the expansion bolt gauge is not less than m16×185.

Preferably, the expansion bolts are mounted in the fender post nearest to the steel support when the steel support is not aligned with the fender post.

Preferably, angle steel is arranged on the expansion bolt, a preformed hole is formed in the angle steel, and the diameter of the preformed hole is larger than 1.5 times of the diameter of the safety rope.

Preferably, the angle steel specification is 100×100×16mm, and the preformed hole orifice of the angle steel is polished smoothly.

Preferably, the number of the buckles is at least 3, and the distance between the buckles is not smaller than 10cm; the exposed length of the rope head of the safety rope is not less than 10cm; and the safety rope at the buckle is coated with plastic to remove and brush with an anti-corrosion material.

Preferably, when the safety rope is in a natural state, the distance between the sagging bottom point and the horizontal line is smaller than 10cm.

Therefore, the anti-falling safety rope adopting the structure has the following technical effects:

(1) The problem that safety belts are tied and hung at no positions of workers walking or working on the steel support and the steel enclosing purlin when the steel support is erected, the steel support is dismantled and slag soil on the steel enclosing purlin is cleaned in the open cut foundation pit is effectively solved, and falling accidents at high positions during the erection and the dismantling of the steel support are effectively prevented;

(2) The materials such as the safety rope and the expansion bolt are convenient to purchase and install on site, the cost is low, the installation and the use of workers are convenient, the operation is convenient, and the popularization prospect is good;

(3) The safety rope and the expansion bolt have strict specification requirements, and the material has good durability, high strength, safety and reliability;

(4) The material replacement is convenient, green and environment-friendly, and can be recycled.

The technical scheme of the utility model is further described in detail through the drawings and the embodiments.

Drawings

FIG. 1 is a schematic view of an installation structure of an embodiment of a fall arrest safety line according to the present utility model;

FIG. 2 is a schematic view of a safety rope and a buckle in an embodiment of a safety rope according to the present utility model;

fig. 3 is a schematic view showing a natural state of the safety rope after installation in an embodiment of the anti-falling safety rope according to the present utility model.

Reference numerals

1. A safety rope; 2. an expansion bolt; 3. a steel support; 4. a buckle; 5. angle steel.

Detailed Description

The technical scheme of the utility model is further described below through the attached drawings and the embodiments.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

Examples

The anti-falling safety rope is an anti-freezing and sun-proof plastic-coated steel wire rope with the thickness of 6mm, and has no defects of wire breakage, strand breakage, burn, corrosion, serious deformation and the like. The safety rope 1 is mounted on an expansion bolt 2 for tying a safety belt. The expansion bolts 2 are arranged at the positions 2 meters above the pre-installed positions of the steel purlin and the steel support 3 before the steel support 3 is erected, the expansion bolts 2 are correspondingly arranged with the steel support 3, and the expansion bolts 2 are anchored in the guard piles.

The expansion bolt 2 has the specification of M16 multiplied by 185, and the expansion bolt 2 is subjected to a pulling resistance test, and the peak value is 11.1KN;1 kn=100 Kg (Kg) =0.1 ton, 11.1 kn=1110 Kg (Kg) =1.110 ton.

When the steel support 3 is not aligned with the fender post, the expansion bolts 2 are installed on the fender post nearest to the steel support 3. As shown in fig. 1, angle steel 5 with the diameter of 100 multiplied by 16mm is arranged on an expansion bolt 2, a reserved hole is arranged on the angle steel 5, the diameter of the reserved hole is larger than that of a safety rope 1 which is 1.5 times larger than that of the safety rope, and the hole opening of the reserved hole of the angle steel 5 is required to be polished smoothly.

As shown in fig. 2, three buckles 4 are fixed at the end of the safety rope 1, the buckles 4 are in good condition, the opening direction of the buckles faces the safety rope 1 mainly stressed, the interval between the buckles 4 is 10cm, the exposed length of the rope head of the safety rope 1 is not less than 10cm, and the steel wire rope plastic coating at the buckles is removed and coated with anti-corrosion materials.

The safety line 1 must be straightened when installed and the distance between the bottom point of sagging and the horizontal line in the natural state must be less than 10cm, as shown in fig. 3.

Therefore, the anti-falling safety rope adopting the structure has the advantages that the used safety rope and expansion bolt materials are good in durability, high in strength, safe and reliable, and high falling accidents during erection and dismantling of the steel support can be effectively prevented; the safety rope and the expansion bolts are low in cost, can be recycled, are simple and feasible in installation process, are quick in material replacement, and are environment-friendly.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting it, and although the present utility model has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the utility model can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the utility model.

Claims (8)

1. An anti-falling safety rope, which is characterized in that: the steel support safety rope is arranged at the position two meters above the steel enclosing purlin and the steel support preassembly position, and the safety rope is arranged on the expansion bolt after being straightened; the expansion bolts are correspondingly arranged with the steel supports, and are anchored in the fender piles; the safety rope end part is fixed with a plurality of buckles, and the opening directions of the buckles are opposite to the safety rope which is mainly stressed.

2. A fall arrest safety line according to claim 1, wherein: the safety rope is an anti-freezing sun-proof plastic-coated steel wire rope not less than 6mm, and has no defects of wire breakage, strand breakage, burn, corrosion and serious deformation.

3. A fall arrest safety line according to claim 1, wherein: the expansion bolt specification is not less than M16X 185.

4. A fall arrest safety line according to claim 1, wherein: when the steel support is not aligned with the fender post, the expansion bolts are installed in the fender post nearest to the steel support.

5. The fall arrest safety line according to claim 4, wherein: the expansion bolt is provided with angle steel, the angle steel is provided with a preformed hole, and the diameter of the preformed hole is larger than 1.5 times of the diameter of the safety rope.

6. The fall arrest safety rope according to claim 5, wherein: the specification of the angle steel is less than 100 multiplied by 16mm, and the hole opening of the reserved hole of the angle steel is polished smoothly.

7. A fall arrest safety line according to claim 1, wherein: the number of the buckles is at least 3, and the distance between the buckles is not smaller than 10cm; the exposed length of the rope head of the safety rope is not less than 10cm; and the safety rope at the buckle is coated with plastic to remove and brush with an anti-corrosion material.

8. A fall arrest safety line according to claim 1, wherein: when the safety rope is in a natural state, the distance between the sagging camber bottom point and the horizontal line is smaller than 10cm.