CN204532033U - The high-altitude line maintenance two hanging ladder of safety - Google Patents

Abstract

The utility model discloses a safety double-hanging ladder for high-altitude line maintenance, which comprises vertical support rods on both sides, horizontal braces arranged in parallel and upper hooks, and the upper hooks are installed on the upper ends of the vertical support rods on both sides through a triangular frame. The utility model is characterized in that: The lower parts of the vertical support rods on both sides are provided with wire hooks; the cross braces on the upper part of the vertical support rods are connected with safety vests through elastic ties; the vertical support rods on both sides are composed of upper and lower two It is composed of joints, and the upper and lower joints are connected as a whole by straightening and folding joints. The safety double-hanging ladder for high-altitude line maintenance is not only hooked and fixed with the iron tower, but also hooked and fixed with the wires that need to be repaired at the same time. It can resist wind, be stable, and will not swing. To ensure the safety of maintenance workers.

Description

Safety double-hanging ladder for high-altitude line maintenance

technical field

The utility model relates to an improvement of a hanging ladder for maintenance of high-altitude lines, in particular to a safety double-hanging ladder for maintenance of high-altitude lines.

Background technique

With the expansion of the grid scale and the continuous improvement of the importance of electric energy to people's life, the requirements for the reliability of power supply are also getting higher and higher. The transmission line is an important part of the power system, and its reliability plays an important role in the safe and stable operation of the entire power system, so the maintenance of high-altitude lines is also very necessary. The currently used hanging ladder for high-altitude line maintenance includes vertical support bars on both sides, horizontal braces arranged in parallel and hooks. The hooks are arranged on the upper ends of the vertical support bars on both sides. The lower end of the machine touches the wires to be repaired, and the operator stands on the horizontal braces arranged in parallel to work. The disadvantage of this kind of hanging ladder for high-altitude line maintenance is that only the hook hook at the upper end of the hanging ladder is fixed on the iron tower, sometimes the hanging ladder will swing when hanging, and the hanging is unstable, especially in windy weather. Relying on one hanging point alone will cause unsafe factors; and once the maintenance workers slip off, there is danger to their lives.

Contents of the invention

The purpose of the utility model is to provide a safety double-hook for high-altitude line maintenance that is not only hooked and fixed with the iron tower, but also hooked and fixed with the wires that need to be overhauled, which is wind-resistant, stable, and equipped with protective devices to ensure the safety of maintenance workers. hanging ladder.

In order to achieve the above purpose, the technical solution adopted by the utility model is: the safety double-hanging ladder for high-altitude line maintenance includes vertical support rods on both sides, horizontal braces arranged in parallel and upper hooks, and the upper hooks are installed on both sides through triangular frames. The upper end of the vertical support rod is characterized in that: the lower part of the vertical support rods on both sides is provided with a wire hook; the cross brace on the upper part of the vertical support rod is connected with a safety vest through an elastic tie; the two The vertical support rods on the side are composed of upper and lower sections, and the upper and lower sections are connected as a whole through straightening and folding sections.

The utility model is also implemented through the following measures: the wire hook includes a wire hook, a cylinder body, and a fastening plate, the cylinder body is formed by buckling two half cylinders, and a fastening plate is arranged on the mouth edge of the cylinder body , the two fastening plates are fixed by bolts, the wire hook is welded and fixed on the side of the cylinder facing the wire, and a sealing bolt is provided at the hook mouth of the wire hook. When the wire hook hooks the wire to be overhauled, tighten the seal Bolts; the inner diameter of the cylinder matches the diameter of the vertical support rod, and when the cylinder is fastened to the proper position of the vertical support rod, it is fixed by tightening the bolts.

The straightening and folding section includes an outer sleeve, upper and lower vertical support rod connecting plates and an outer sleeve positioning ring, and the two ends of the upper and lower vertical support rod connecting plates are connected to the upper and lower joints through pin shafts respectively. The vertical support rods are rotatably connected, and the distance between the two pin shafts on the connecting plate of the upper and lower vertical support rods is consistent with the diameter of the vertical support rods, so that the upper and lower vertical support rods can overlap after being folded; the outer sleeve The positioning ring is fixed on the lower vertical support rod, and the distance from the positioning ring of the outer sleeve to the center of the connecting plate of the upper and lower vertical support rods is 1/2 of the length of the outer sleeve. When going up, slide the bottom end of the outer sleeve to the position of the positioning ring of the outer sleeve, and the outer sleeve is set on the connecting plate of the upper and lower vertical support rods and the ends of the upper and lower vertical support rods, so that the upper and lower vertical support rods Next two joint vertical support rods 1 are stable on a line.

The safety protection waistcoat includes a canvas back piece, a shoulder strap and a waist belt, the middle part of the canvas back piece is fixedly connected with the free end of the elastic lace, and the fixed end of the elastic lace is fixed on the upper part of the vertical support rod through a sliding sleeve. On the cross brace.

Described triangular frame is installed on the upper end of vertical support bar on both sides by connecting shaft, and the vertex of triangular frame is provided with screw barrel, and the screw rod portion of upper hook is screwed in the screw barrel, to conveniently adjust the protruding length of upper hook.

The beneficial effect of the utility model is that: the safety double-hung ladder for high-altitude line maintenance is not only hooked and fixed with the iron tower, but also hooked and fixed with the wires to be repaired at the same time, which can resist wind, be stable, and will not swing. Safety, anti-fall protection device, so it can ensure the safety of maintenance workers.

Description of drawings

Fig. 1 is a schematic diagram of the front view of the structure of the utility model.

Fig. 2 is a cross-sectional enlarged schematic diagram of the structural wire hook of the present invention.

Fig. 3 is an enlarged schematic diagram of an axial cross-section of the structure straightening and folding joints of the present invention.

Fig. 4 is an enlarged schematic diagram of an axial cross-section of the structural straightening and folding joint of the utility model when it is folded.

Fig. 5 is an enlarged schematic diagram of a side view of the structural upper hook of the present invention.

In the figure: 1. Vertical support rod; 2. Horizontal brace; 3. Upper hook; 4. Triangular frame; 5. Wire hook; 51. Wire hook; 52. Cylinder; 53. Fastening plate; 55. Bolt; 6. Elastic tie; 7. Safety vest; 71. Canvas back piece; 72. Shoulder strap; 73. Belt; 8. Straightening and folding joint; 81. Outer sleeve; 82. Upper , the connecting plate of the lower vertical support rod; 83, the positioning ring of the outer sleeve; 84, the bearing pin; 9, the sliding sleeve; 10, the connecting shaft; 11, the screw barrel.

Detailed ways

Make the utility model with reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5. The safety double-hanging ladder for high-altitude line maintenance includes vertical support bars 1 on both sides, horizontal braces 2 arranged in parallel and upper hooks 3, and the upper hooks 3 are installed on the upper ends of the vertical support bars 1 on both sides through triangular frames 4. It is characterized in that The bottom of the vertical support bar 1 on both sides is provided with a wire hook 5, which is fixed on the wire that needs to be overhauled by the wire hook 5; is hung on the iron tower by the upper hook 3 hooks, so that the hanging ladder is fixed from both ends, Just can prevent because of wind from swinging; The cross brace 2 on described vertical support bar 1 top is connected safety protection vest 7 by elastic lace 6, and safety protection vest 7 is worn on the maintenance worker's body, when the maintenance worker accidentally drops When falling, the maintenance worker can be hung up, so as not to fall to the ground, so as to avoid life and death accidents; the vertical support rods 1 on both sides are composed of upper and lower sections, and pass between the upper and lower sections. The straight and folding joints 8 are connected as one, and the vertical support rods 1 on both sides of the upper and lower joints can be overlapped and folded through the folding of the straight and folding joints 8, so as to be easy to carry; The vertical support rods 1 on both sides of the upper and lower joints are kept on a straight line when unfolded.

As an improvement of the present utility model: the wire hook 5 includes a wire hook 51, a cylinder body 52, and a fastening plate 53. The cylinder body 52 is formed by buckling two half cylinders, and a There are fastening plates 53, two fastening plates 53 are fixed by bolts 55, the wire hook 51 is welded and fixed on the side of the cylinder 52 facing the wire, and a sealing bolt 54 is provided at the hook mouth of the wire hook 51, when the wire hook After 51 hooks the wires that need to be overhauled, tighten the sealing bolt 54; the inner diameter of the cylinder 52 is compatible with the diameter of the vertical support rod 1, and when the cylinder 52 is buckled in the proper position of the vertical support rod 1, Secure by tightening the bolt 55.

The straightening and folding section 8 includes an outer sleeve 81, an upper and lower joint vertical support rod connecting plate 82 and an outer sleeve positioning ring 83, and the two ends of the upper and lower joint vertical support rod connecting plate 82 are passed through pins respectively. Axle 84 is connected with upper and lower vertical support bar 1 rotation, and the distance between two bearing pins 84 on the vertical support bar connecting plate 82 of upper and lower section is consistent with the diameter of vertical support bar 1, makes upper and lower joint vertical The support bar 1 can overlap after folding; the outer sleeve positioning ring 83 is fixed on the lower vertical support bar 1, and the distance from the outer sleeve positioning ring 83 to the center of the upper and lower vertical support bar connecting plates 82 is 1% of the length of the outer sleeve 81. /2, when the upper and lower vertical support rods 1 are unfolded on a line, slide the bottom end of the outer sleeve 81 to the position of the outer sleeve positioning ring 83, and the outer sleeve 81 will be placed on the upper and lower joints The vertical support rod connecting plate 82 and the ends of the upper and lower vertical support rods 1 make the upper and lower joint vertical support rods 1 stable on a line.

The safety vest 7 includes a canvas back sheet 71, a shoulder strap 72 and a waist belt 73, the middle part of the canvas back sheet 71 is fixedly connected with the free end of the elastic lace 6, and the fixed end of the elastic lace 6 passes through the sliding sleeve 9 is fixed on the cross brace 2 on the vertical support bar 1 top.

The triangular frame 4 is installed on the upper ends of the vertical support rods 1 on both sides through the connecting shaft 10. The top corner of the triangular frame 4 is provided with a screw barrel 11, and the screw part of the upper hook 3 is screwed into the screw barrel 11 to facilitate adjustment. The protruding length of upper hook 3.

Claims (3)

1. the high-altitude line maintenance two hanging ladder of safety, comprise both sides vertical supporting rod (1), stull arranged in parallel (2) and upper hook (3), upper hook (3) is arranged on the upper end of both sides vertical supporting rod (1) by triangle frame (4), it is characterized in that: the bottom of described both sides vertical supporting rod (1) is provided with wire hook (5); By security protection vest (7) in elastic frenulum (6) connection in the stull (2) on described vertical supporting rod (1) top; The vertical supporting rod (1) of described both sides, by upper and lower two joint compositions, connects as one by determining direct sum folded segment (8) between upper and lower two joints.

2. the two hanging ladder of high-altitude according to claim 1 line maintenance safety, it is characterized in that: described wire hook (5), comprise thread hook (51), cylindrical shell (52), snapping plate (53), cylindrical shell (52) is that two semicircular cylinder make-ups form, the opening's edge of cylindrical shell (52) is provided with snapping plate (53), two snapping plates (53) are fixed by bolt (55), thread hook (51) is weldingly fixed on the side of cylindrical shell (52) towards wire, and is provided with sealing bolt (54) at the mouth of hook place of thread hook (51); The interior diameter of described cylindrical shell (52) and the diameter of vertical supporting rod (1) suitable.

3. the two hanging ladder of high-altitude according to claim 1 line maintenance safety, it is characterized in that: described determines direct sum folded segment (8), comprise outer sleeve (81), upper and lower joint vertical supporting rod junction plate (82) and outer sleeve locating ring (83), the two ends of upper and lower joint vertical supporting rod junction plate (82) are rotationally connected respectively by bearing pin (84) and upper and lower vertical supporting rod (1), and the distance between two bearing pins (84) on upper and lower joint vertical supporting rod junction plate (82) is consistent with the diameter of vertical supporting rod (1); Outer sleeve locating ring (83) is fixed on lower joint vertical supporting rod (1), and outer sleeve locating ring (83) is 1/2 of outer sleeve (81) length to the distance at upper and lower joint vertical supporting rod junction plate (82) center.