阅读说明：本技术 输电线路铁塔攀登方法 (Method for climbing iron tower of power transmission line ) 是由 虞俊雷 谈欢欢 张晏铭 章程程 戴桂林 姚晨希 石玉峰 于 2020-10-22 设计创作，主要内容包括：本发明公开了输电线路铁塔攀登方法,步骤一：检查手持式防坠器、安全绳、安全带等是否有足够的防护强度；步骤二：首先一只手握紧手持式防坠器固定把手和活动把手,将手持式防坠器中锁紧块和卡槽侧壁之间的距离打开,然后从侧面扣住铁塔的角钢,松开防坠器的活动把手,然后换另一只手操作另一只手持式防坠器,重复上述步骤；作业人员向上攀爬时,捏紧一只手持式防坠器的固定把手和活动把手,将手持式防坠器移动到铁塔的角钢更高的位置,再重复上述步骤,两只手持式防坠器交替与铁塔的角钢配合,直到攀爬到合适的高度。本发明的优点是：基本可以攀爬大部分采用角钢的铁塔,提升了通用性和实用性,并且安全性也得以增强。(The invention discloses a method for climbing an iron tower of a power transmission line, which comprises the following steps: checking whether the handheld falling protector, the safety rope, the safety belt and the like have enough protection strength; step two: firstly, one hand grips a fixed handle and a movable handle of a handheld safety hook, the distance between a locking block and the side wall of a clamping groove in the handheld safety hook is opened, then angle steel of an iron tower is buckled from the side surface, the movable handle of the safety hook is loosened, then the other hand is changed to operate the other handheld safety hook, and the steps are repeated; when the operating personnel climbs upwards, the fixed handle and the movable handle of one handheld falling protector are pinched, the handheld falling protector is moved to the position where the angle steel of the iron tower is higher, the steps are repeated, and the two handheld falling protectors are alternately matched with the angle steel of the iron tower until the operating personnel climbs to a proper height. The invention has the advantages that: can climb the iron tower that most adopted the angle steel basically, promoted commonality and practicality to the security also can strengthen.)

1. The power transmission line iron tower climbing method adopts a handheld falling protector, the handheld falling protector comprises a fixed block, a fixed handle, a movable handle, a locking block and a hanging rope hook, a clamping groove with a cross section shaped like a Chinese character 'ao' is formed in the fixed block, the fixed handle is fixed on the side face of the fixed block, the locking block is rotatably arranged on the fixed block below the fixed handle through a rotating shaft, a torsion spring is sleeved on the rotating shaft, the movable handle and the hanging rope hook are both fixed on the locking block, a through groove which enables the locking block to stretch into the clamping groove is further formed in the fixed block, the hanging rope hook comprises a connecting block, and a hanging hole is formed in the connecting block, and the handheld falling protector is characterized in that: the method comprises the following steps:

the method comprises the following steps: an operator wears a safety belt firstly, two handheld safety guards are adopted, a locking block of each handheld safety guard is connected with a safety rope, the other end of each safety rope is connected with a triangular screw lock safety buckle, and the triangular screw lock safety buckle is hung on the safety belt worn by the operator;

an operator holds one of the handheld falling protectors by a single hand, holds the fixed handle and the movable handle, buckles the angle steel of the iron tower into the clamping groove of the handheld falling protector, then loosens the movable handle, clamps the angle steel of the iron tower by utilizing the action of the locking block and the side wall of the clamping groove, loosens the falling protector, drives the body to exert force obliquely downwards, and confirms that the protection effect of the handheld falling protector is effective at the moment;

step two: an operator starts to climb, in the climbing process, the operator firstly holds the fixed handle and the movable handle of the handheld falling protector with one hand, the distance between the locking block and the side wall of the clamping groove in the handheld falling protector is opened, then buckles the angle steel of the iron tower from the side surface, loosens the movable handle of the falling protector, at the moment, the locking block of the handheld falling protector rotates under the action of the torsion spring, the locking block and the side wall of the clamping groove interact to clamp the angle steel of the iron tower, then changes the other hand to operate the other handheld falling protector, and repeats the steps; when the operating personnel climbs upwards, the fixed handle and the movable handle of one handheld falling protector are pinched, the distance between the locking block and the side wall of the clamping groove is increased, the handheld falling protector is moved to a position where the angle steel of the iron tower is higher, the steps are repeated, and the two handheld falling protectors are alternately matched with the angle steel of the iron tower until climbing to a proper height.

2. The method for climbing the power transmission line tower according to claim 1, wherein: in the first step, the length of the safety rope is 1-2 meters.

Technical Field

The invention relates to a method for climbing an iron tower of a power transmission line.

Background

In the operation, maintenance and overhaul operations of overhead transmission lines, personal safety protection measures during the process of ascending and descending the tower and moving the tower on the tower by workers are very important, and personal safety accidents can be caused once safety protection is lost or safety protection equipment fails in the process of ascending operations. At present, guide rail type anti-falling devices are mostly installed aiming at overhead transmission line pole towers high-altitude falling prevention measures in China. The anti-falling self-locking device mainly comprises a guide rail, a direction converter, an anti-falling self-locking device, a safety rope, a fastener, a connecting hardware fitting and the like. Wherein the guide rail type comprises a C type (groove type), a T type (I type) and the like; the guide rail, the steering gear and other components are fixedly arranged on the tower body and the cross arm of the tower through connecting pieces.

When an operator carries out high-place transfer operation on a tower, the anti-falling self-locking device and the safety belt are carried along, and the anti-falling self-locking device is connected with the safety belt on the body of the operator through the safety lock catch and the connecting rope. The falling protector can be driven to move up and down after being placed into the guide rail with the corresponding specification by an operator, and the falling protector can firmly lock the operator on the guide rail to prevent the operator from falling to cause casualty accidents if the high-altitude operator falls due to the falling.

Through long-term use tests of the guide rail type anti-falling self-locking device, the following problems are found to exist:

1) the anti-falling devices of various manufacturers have different structural types and specifications, so that a plurality of sets of anti-falling devices need to be worn when people walk on the line, and inconvenience and danger are brought to high-altitude operation due to more tools, such as long-short double-safety belts, anti-falling devices, construction tools, ropes and the like.

2) The guide rail and the steering gear are poorly designed and rusted, so that the falling protector is blocked at the joint of the steering gear and the rail and at a bending position.

3) The falling protector of the rail type falling protection device is heavy in weight, and if a plurality of falling protectors are carried, the burden is large, and the length of the safety belt matched with a certain manufacturer is inconvenient to adjust;

4) some anti-theft devices are imperfect, are not provided with anti-theft bolts, and are easy to damage and be stolen.

5) The steel pipe tower is generally applied to many times of downtown circuit that puts up together, and there is the problem of having a power failure difficulty in the installation anti-falling device, and electrified installation has great safety risk, if installation rail mounted anti-falling device, then the installation accessory is more, and installation work load is big.

6) The maintenance and test experience of the anti-falling device is insufficient, and professional maintenance is lacked.

The main reason of the comprehensive analysis is that the guide rail type anti-falling self-locking device must be used together with a matched iron tower guide rail, and currently, the guide rail installation of all existing iron towers cannot be realized, the types of the installed guide rails are different, the guide rail type anti-falling self-locking device cannot be used on each base iron tower, and the defects of low universality, low practicability and low reliability exist.

Disclosure of Invention

The invention aims to provide a method for climbing a transmission line iron tower, which can effectively solve the problems of poor universality, low practicability and poor reliability of the existing guide rail type anti-falling self-locking device.

In order to solve the technical problems, the invention is realized by the following technical scheme: the power transmission line iron tower climbing method adopts a handheld falling protector, the handheld falling protector comprises a fixed block, a fixed handle, a movable handle, a locking block and a hanging rope hook, a clamping groove with a cross section shaped like a Chinese character 'ao' is formed in the fixed block, the fixed handle is fixed on the side face of the fixed block, the locking block is rotatably arranged on the fixed block below the fixed handle through a rotating shaft, a torsion spring is sleeved on the rotating shaft, the movable handle and the hanging rope hook are both fixed on the locking block, a through groove which enables the locking block to stretch into the clamping groove is further formed in the fixed block, the hanging rope hook comprises a connecting block, and a hanging hole is formed in the connecting block, and the method comprises the following steps:

the method comprises the following steps: an operator wears a safety belt firstly, two handheld safety guards are adopted, a locking block of each handheld safety guard is connected with a safety rope, the other end of each safety rope is connected with a triangular screw lock safety buckle, and the triangular screw lock safety buckle is hung on the safety belt worn by the operator;

an operator holds one of the handheld falling protectors by a single hand, holds the fixed handle and the movable handle, buckles the angle steel of the iron tower into the clamping groove of the handheld falling protector, then loosens the movable handle, clamps the angle steel of the iron tower by utilizing the action of the locking block and the side wall of the clamping groove, loosens the falling protector, drives the body to exert force obliquely downwards, and confirms that the protection effect of the handheld falling protector is effective at the moment;

step two: an operator starts to climb, in the climbing process, the operator firstly holds the fixed handle and the movable handle of the handheld falling protector with one hand, the distance between the locking block and the side wall of the clamping groove in the handheld falling protector is opened, then buckles the angle steel of the iron tower from the side surface, loosens the movable handle of the falling protector, at the moment, the locking block of the handheld falling protector rotates under the action of the torsion spring, the locking block and the side wall of the clamping groove interact to clamp the angle steel of the iron tower, then changes the other hand to operate the other handheld falling protector, and repeats the steps; when the operating personnel climbs upwards, the fixed handle and the movable handle of one handheld falling protector are pinched, the distance between the locking block and the side wall of the clamping groove is increased, the handheld falling protector is moved to a position where the angle steel of the iron tower is higher, the steps are repeated, and the two handheld falling protectors are alternately matched with the angle steel of the iron tower until climbing to a proper height.

Preferably, in the first step, the length of the safety rope is 1-2 meters, so that effective safety guarantee can be provided, and normal climbing of operators cannot be interfered.

Compared with the prior art, the invention has the advantages that: the detection of the handheld falling protector is firstly carried out, so that the two handheld falling protectors to be used by an operator can work normally, and the safety belt and the safety rope are in normal states; when climbing, the two hands respectively hold one handheld falling protector, and the two handheld falling protectors are used alternately, so that one falling protector is ensured to be in a working state all the time, and the fixed handles on the falling protector can provide a force application point for an operator when climbing, so that the operator can apply force to the hands when climbing, and the normal operation of the handheld falling protector cannot be influenced by the force application. After the method is adopted, most of the iron towers adopting the angle steel can be basically climbed, the universality and the practicability are greatly improved, and the safety is also enhanced.

Drawings

Fig. 1 is a front view of a handheld tower safety catch used in the method for climbing a power transmission line tower of the present invention;

FIG. 2 is a right side view of a hand-held tower fall arrester used in the method for climbing a power transmission line tower of the present invention;

fig. 3 is a top view of the handheld tower falling protector used in the method for climbing the power transmission line tower of the invention.

Fig. 4 is a schematic structural view of a triangular wire lock safety catch used in the method for climbing the iron tower of the power transmission line of the present invention;

fig. 5 is a schematic structural diagram of the handheld falling protector, the safety rope and the triangular wire lock safety buckle which are connected together in the first step of the power transmission line iron tower climbing method.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1 to 5, the embodiment of the method for climbing the iron tower of the power transmission line of the present invention is an embodiment of the method for climbing the iron tower of the power transmission line, and the method for climbing the iron tower of the power transmission line adopts a handheld falling protector, the handheld falling protector includes a fixed block, a fixed handle 2, a movable handle 3, a locking block 9 and a rope hook, a slot 1 with a concave cross section is formed on the fixed block, the fixed handle 2 is fixed on a side surface of the fixed block, the locking block 9 is rotatably disposed on the fixed block below the fixed handle 2 through a rotating shaft 4, the rotating shaft 4 is sleeved with a torsion spring 10, the movable handle 3 and the rope hook are both fixed on the locking block 9, the fixed block is further provided with a through slot which enables the locking block 9 to extend into the slot 1, the rope hook includes a connecting block 8, and the connecting block 8:

the method comprises the following steps: an operator wears a safety belt firstly, two handheld safety guards are adopted, a locking block 9 of each handheld safety guard is connected with a safety rope 7, the length of each safety rope 7 is 1-2 meters, effective safety guarantee can be provided, normal climbing of the operator cannot be interfered, the other end of each safety rope 7 is connected with a triangular screw lock safety buckle 5, and the triangular screw lock safety buckle 5 is hung on the safety belt worn by the operator;

an operator holds one of the handheld falling protectors with one hand, holds the fixed handle 2 and the movable handle 3, buckles the angle steel 6 of the iron tower into the clamping groove 1 of the handheld falling protector, then loosens the movable handle 3, clamps the angle steel 6 of the iron tower by utilizing the action of the locking block 9 and the side wall of the clamping groove 1, loosens the falling protector and drives the body to exert downward force in an inclined direction, and the protection effect of the handheld falling protector is confirmed to be effective;

step two: an operator starts to climb, in the climbing process, the operator firstly holds the fixed handle 2 and the movable handle 3 of the handheld falling protector with one hand, the distance between the locking block 9 and the side wall of the clamping groove 1 in the handheld falling protector is opened, then buckles the angle steel 6 of the iron tower from the side surface, loosens the movable handle 3 of the falling protector, at the moment, the locking block 9 of the handheld falling protector rotates under the action of the torsion spring 10, the locking block 9 and the side wall of the clamping groove 1 interact to clamp the angle steel 6 of the iron tower, then changes the other hand to operate the other handheld falling protector, and the steps are repeated; when the operating personnel climbs upwards, the fixed handle 2 and the movable handle 3 of one handheld falling protector are pinched, the distance between the locking block 9 and the side wall of the clamping groove 1 is increased, the handheld falling protector is moved to the position where the angle steel 6 of the iron tower is higher, the steps are repeated, and the two handheld falling protectors are alternately matched with the angle steel 6 of the iron tower until the operating personnel climb to the proper height.

The detection of the handheld falling protector is firstly carried out, so that the two handheld falling protectors to be used by an operator can work normally, and the safety belt and the safety rope 7 are in normal states; when climbing, the two hands respectively hold one handheld falling protector, and the two handheld falling protectors are used alternately, so that one falling protector is ensured to be in a working state all the time, and the fixed handle 2 on the falling protector can provide an acting point for an operator when climbing, so that the operator can apply force to the hands when climbing, and the normal operation of the handheld falling protectors cannot be influenced by the force application. After the method is adopted, all the iron towers adopting the angle steel 6 can be basically climbed, the universality and the practicability are greatly improved, and the safety is also enhanced.

The above description is only an embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the technical field of the present invention by those skilled in the art are covered by the claims of the present invention.