CN213391950U - Safe stair climbing door - Google Patents

Abstract

The utility model relates to an electric power safety equipment technical field just discloses a safe ladder door that climbs. The utility model discloses a cat ladder and cat ladder door plant, cat ladder door plant one side is articulated with the cat ladder, and the opposite side passes through fixing device and cat ladder is fixed, be equipped with the warning sign tablet on the cat ladder door plant, the top of cat ladder is equipped with the round rail, the cat ladder periphery of cat ladder door plant top is equipped with curved guardrail, the bottom of cat ladder is equipped with the folding ladder that one section can draw in. The utility model discloses beneficial effect who has: the utility model can effectively prevent non-operating personnel from climbing by mistake by the design of the folding ladder and the ladder door; and the safety of the operating personnel is greatly improved by the arrangement of the guardrails and the fences.

Description

Safe stair climbing door

Technical Field

The utility model relates to an electric power safety equipment technical field specifically is a safe ladder door that climbs.

Background

Various types of power distribution equipment such as an on-pole switch, an on-pole disconnecting link, an on-pole transformer and the like are installed on the power tower, and power workers often need to climb the power tower to reach the power distribution equipment for short-distance work. However, in the electric power towers which are put into use at present, most of the towers are not provided with any device for assisting climbing, and are not provided with a device which can be safely locked to prevent illegal climbing. In the traditional mode, workers need to carry and use climbers for climbing, and the climbing method is inconvenient and unsafe; in some economically developed areas, a small number of liftable electric power operation vehicles are configured for power supply operation, but the special operation vehicles have large investment and complex operation, cannot be suitable for all terrains, and are difficult to popularize comprehensively. In view of various accidents occurring in the power distribution network in recent years, safety accidents caused by the accidents are generated due to the lack of effective technical devices. Meanwhile, the devices are in the open air environment, the isolation protection measures are incomplete, and accidents such as electric shock caused by mistaken climbing of personnel, damage or theft caused by climbing of personnel and the like are easy to occur.

SUMMERY OF THE UTILITY MODEL

The utility model provides a safe climbing door for solving the technical problems existing in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a safe ladder door, includes cat ladder and cat ladder door plant, cat ladder door plant one side is articulated with the cat ladder, and the opposite side passes through fixing device and cat ladder is fixed, be equipped with warning sign board on the cat ladder door plant, the top of cat ladder is equipped with the round rail, the cat ladder periphery of cat ladder door plant top is equipped with curved guardrail, the bottom of cat ladder is equipped with the folding ladder that one section can fold in.

The utility model discloses folding ladder packs up when not using, prevents that non-staff from climbing to warn with the warning sign tablet, guardrail and rail promote operation personnel's security, greatly reduced risk of falling.

Preferably, the folding ladder includes a plurality of activity horizontal poles and a movable vertical pole, the one end and the activity vertical pole of activity horizontal pole are articulated, and the inner wall of the other end and cat ladder one side is articulated, be equipped with corresponding block device on folding ladder and the cat ladder, it is fixed through block device after folding.

Preferably, the movable cross rod is hinged with the movable vertical rod and the crawling ladder through hinges respectively.

Preferably, the clamping device is positioned in a range covered by the door plate of the ladder in the covering process, so that non-workers are prevented from being touched by mistake.

Preferably, the clamping device comprises a limiting column and a limiting locking plate, and the limiting locking plate is buckled on the limiting column to fix the folding ladder when the folding ladder is folded.

Preferably, the pedals are arranged on two sides of the top of the ladder stand, so that the activity space is increased, and the ladder stand is convenient to operate.

Preferably, a reinforcing block and a supporting rod are arranged between the pedal and the ladder stand, so that the reliability of the ladder stand is improved.

Preferably, the fixing device comprises a limiting ring and a limiting pin, and when the ladder stand door panel is closed, the limiting pin penetrates through the limiting ring to fix the ladder stand door panel.

Preferably, one end of the limiting pin, which penetrates through the limiting ring, is provided with a limiting hole, and a lock or a bolt is arranged in the limiting hole, so that the fixing reliability of the ladder door is enhanced.

Preferably, the height of the guardrail is 1.2-1.5 meters, so that the guardrail plays a role in protection during operation and can also rely on gravity.

The utility model discloses beneficial effect who has: the utility model can effectively prevent non-operating personnel from climbing by mistake by the design of the folding ladder and the ladder door; and the safety of the operating personnel is greatly improved by the arrangement of the guardrails and the fences.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the movable lock of the present invention.

In the figure: 1. climbing a ladder; 2. a ladder climbing door plate; 31. a limiting ring; 32. a spacing pin; 33. a limiting hole; 4. a fence; 5. a guardrail; 6. a folding ladder; 61. a movable cross bar; 62. a movable vertical rod; 63. a clamping device; 631. a limiting column; 632. a limiting locking plate; 7. a hinge; 8. a pedal; 81. a reinforcing block; 82. a support bar; 9. and (4) a column.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): the utility model provides a safe ladder door, as shown in fig. 1-2, including cat ladder and cat ladder door plant, one side of cat ladder door plant is passed through the hinge and is articulated with the cat ladder, and the opposite side is passed through fixing device and the cat ladder is fixed, be equipped with warning sign board on the cat ladder door plant, the top of cat ladder is equipped with the round rail, the cat ladder periphery of cat ladder door plant top is equipped with curved guardrail, prevents to interfere the switching of cat ladder door, sets up to suitable from more than 2 meters, and too low position does not have the necessity that sets up, the bottom of cat ladder is equipped with the folding ladder that one section can receive and draw in together, and the height of folding ladder is preferably about with.

The utility model discloses folding ladder is packed up when not using, prevents that non-staff from climbing to warn with warning sign tablet, guardrail and rail promote operation personnel's security, prevent to fall.

The folding ladder comprises a plurality of movable transverse rods and a movable vertical rod, one end of each movable transverse rod is hinged to the corresponding movable vertical rod, the other end of each movable transverse rod is hinged to the inner wall of one side of the corresponding ladder stand, corresponding clamping devices are arranged on the folding ladder and the ladder stand, and the folding ladder is fixed through the clamping devices after being folded.

The movable cross rod is hinged with the movable vertical rod and the crawling ladder through hinges respectively.

The clamping device is positioned in the range covered by the door plate of the ladder when being covered, and the clamping device is provided with two pairs to prevent non-working personnel from touching by mistake.

The clamping device comprises a limiting column and a limiting locking plate, the limiting column is arranged on the folding ladder, the limiting locking plate is arranged on the crawling ladder, one end of the limiting locking plate is movably connected with the crawling ladder, and the limiting locking plate is buckled on the limiting column to fix the folding ladder when the folding ladder is folded.

The two sides of the top of the ladder stand are provided with the pedals, the area of the pedals is not too large, about 30cmX30cm is suitable, the pedals increase the activity space of operators, and the operation is convenient.

And a reinforcing block and a supporting rod are arranged between the pedal and the ladder stand, so that the reliability of the ladder stand is improved.

The fixing device comprises a limiting ring and a limiting pin, the limiting column is arranged on one side of the ladder stand, the limiting pin is arranged on the ladder stand door plate, and the limiting pin penetrates through the limiting ring to fix the ladder stand door plate when the ladder stand door plate cover is closed.

One end of the limiting pin, which penetrates through the limiting ring, is provided with a limiting hole, and a lock or a bolt is arranged in the limiting hole, so that the fixing reliability of the ladder door is enhanced.

The height of the guardrail is 1.2-1.5 meters, exceeds the height of half a person, is just right positioned on the left and right of the waist of the person, plays a role in protection during operation and can rely on the force of borrowing.

The fence can be further provided with a plurality of stand columns for hanging cables or tool bags, so that the load is reduced, and the operation is convenient.

The ladder stand and the ladder stand door plate are made of 304 stainless steel, corrosion resistance is achieved, and strength is high.

After the utility model is installed on the power pole, the operating personnel can protect the guardrail when climbing, thereby reducing the falling risk and being capable of resting when climbing; after climbing the roof, the operator can step on the pedal to operate, so that the operation space is enlarged on the premise that the fence ensures safety, the operator can have a rest for a while, the physical strength of the operator is greatly saved, and the working efficiency is effectively improved; when the ladder stand is not used under normal conditions, the folding ladder is folded, the ladder stand door plate is covered, and the ladder stand door plate is prevented from mistakenly climbing other people, so that danger is brought or damage is caused.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. A safe climbing door is characterized in that: including cat ladder and cat ladder door plant, one side of cat ladder door plant and cat ladder are articulated, and the opposite side passes through fixing device and cat ladder is fixed, be equipped with the warning sign tablet on the cat ladder door plant, the top of cat ladder is equipped with the round rail, the cat ladder periphery of cat ladder door plant top is equipped with curved guardrail, the bottom of cat ladder is equipped with one section folding ladder that can fold in.

2. A safety ladder door as claimed in claim 1, wherein: the folding ladder comprises a plurality of movable transverse rods and a movable vertical rod, one end of each movable transverse rod is hinged to the corresponding movable vertical rod, the other end of each movable transverse rod is hinged to the inner wall of one side of the corresponding ladder stand, corresponding clamping devices are arranged on the folding ladder and the ladder stand, and the folding ladder is fixed through the clamping devices after being folded.

3. A safety ladder door as claimed in claim 2, wherein: the movable cross rod is hinged with the movable vertical rod and the crawling ladder through hinges respectively.

4. A safety ladder door as claimed in claim 2, wherein: the clamping device is positioned in the range covered by the door plate of the ladder when the door plate is covered.

5. A safety ladder door as claimed in claim 4, wherein: the clamping device comprises a limiting column and a limiting locking plate, and the limiting locking plate is buckled on the limiting column to fix the folding ladder when the folding ladder is folded.

6. A safety ladder door as claimed in claim 1, wherein: pedals are arranged on two sides of the top of the ladder stand.

7. A safety ladder door as claimed in claim 6, wherein: and a reinforcing block and a supporting rod are arranged between the pedal and the ladder stand.

8. A safety ladder door as claimed in claim 1, wherein: the fixing device comprises a limiting ring and a limiting pin, and when the ladder stand door panel is closed, the limiting pin penetrates through the limiting ring to fix the ladder stand door panel.

9. A safety ladder door as claimed in claim 8, wherein: one end of the limiting pin, which penetrates through the limiting ring, is provided with a limiting hole, and a lock or a bolt is arranged in the limiting hole.

10. A safety ladder door as claimed in claim 1, wherein: the height of the guardrail is 1.2-1.5 meters.

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