Crawling ladder for safe maintenance of water conservancy project

Abstract

The utility model discloses a hydraulic engineering safety maintenance crawling ladder, which relates to the technical field of crawling ladders, and comprises a crawling ladder body, the crawling ladder body comprises symmetrically distributed stand columns and pedals fixedly arranged between the stand columns and distributed at equal intervals; and; the protective structure comprises a protective cover located at one end of the stand column, a strip-shaped safety belt, a guide rail located on the inner wall of the protective cover, a sliding block installed on the outer wall of the guide rail in a sliding mode, shifting blocks located at the two ends of the sliding block, rotating bases installed on the inner wall of the protective cover in an embedded mode and distributed on the two sides of the guide rail at equal intervals, and rotating shafts rotationally inserted into the rotating bases. The limiting block is positioned at the lower end of the clamping block and is connected with the inner wall of the protective cover; according to the ladder stand disclosed by the utility model, the protective structure is utilized, so that the risk that a higher ladder stand falls off due to the fact that a worker is easy to feel tired in the use process of the ladder stand is solved, and effective protection is realized when the worker climbs the ladder stand.

Description

Technical Field

[0001] The utility model relates to the technical field of ladders, in particular to a ladder for safe maintenance of water conservancy projects. Background Art

[0002] Water conservancy projects are engineering fields that utilize water resources to store, regulate, transport and utilize water, including but not limited to various types of reservoirs, dams, irrigation channels, hydropower stations and other facilities. For facilities such as hydropower stations, the status of the equipment needs to be monitored regularly. Safety maintenance ladders provide workers with convenient up and down passages so that they can easily reach the required locations for monitoring and testing. However, climbing the ladder can easily lead to fatigue, and higher ladders pose a risk of falling.

[0003] A Chinese patent discloses a portable hydraulic engineering maintenance ladder (authorization announcement number CN215213314U), which includes a first maintenance ladder, a second maintenance ladder is hinged on the right side of the first maintenance ladder, a third maintenance ladder is hinged on the right side of the second maintenance ladder, and a transport assembly is arranged below the first maintenance ladder. The device can be conveniently and stably moved and transported, and a suitable positioning collar is selected through a support rod according to the actual overall tilt angle to achieve a snap-fit ​​effect, and then the safety hinge rod is aligned with the safety collar, when the support rod and the positioning collar are loosened and tilted, the safety hinge rod and the safety collar are pushed into each other to achieve a certain protection effect, and the overall structure can stand upright on the ground more stably when opened, and can be more conveniently transported and carried when folded.

[0004] This patented technology has the advantage of being easy to carry and use when in use, but it still has some shortcomings when in use. Workers are easily tired during the use of the ladder, resulting in the risk of falling from the higher ladder. Therefore, technical personnel in this field provide a water conservancy project safety maintenance ladder to solve the problems raised in the above background technology. Utility Model Content

[0005] The utility model aims to provide a ladder for safe maintenance of water conservancy projects to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the utility model provides a hydraulic engineering safety maintenance ladder, comprising a ladder body,

[0007] The ladder body comprises symmetrically distributed columns and pedals fixed between the columns and evenly distributed;

[0008] as well as;

[0009] The protective structure includes a protective cover located at one end of a column, a strip-shaped safety belt, a guide rail located on the inner wall of the protective cover, a slider slidably mounted on the outer wall of the guide rail, a shift block located at both ends of the slider, a rotating seat embedded in the inner wall of the protective cover and equidistantly distributed on both sides of the guide rail, a rotating shaft rotatably inserted in the rotating seat, a clamping block fixed at one end of the rotating shaft, and a limit block located at the lower end of the clamping block and connected to the inner wall of the protective cover.

[0010] Furthermore, one end of the column is provided with equidistantly distributed embedded reinforcements;

[0011] Specifically, the embedded reinforcement improves the stability of the ladder body by tightly installing the columns of the ladder body and the poured concrete.

[0012] Furthermore, the upper ends of the pedals are provided with anti-slip grooves;

[0013] Specifically, the anti-slip pattern increases the friction between the footsteps of the pedalist and the pedal.

[0014] Furthermore, a compensation belt is connected between the safety belt and the slider;

[0015] Specifically, the compensation belt links the slider and the safety belt. When the staff moves, the slider is driven to slide on the guide rail through the bound safety belt.

[0016] Furthermore, a mother Velcro is provided on the inner wall of one end of the safety belt, and a child Velcro is provided on the outer wall of one side of the safety belt;

[0017] Specifically, when a worker puts on the safety belt, the child Velcro is bonded to the parent Velcro, so that the safety belt is firmly attached to the waist of the worker.

[0018] Furthermore, a torsion spring is sleeved on the outer side of the rotating shaft, and two ends of the torsion spring are respectively connected to the clamping block and the limiting block;

[0019] Specifically, the clamping block is supported by torsion elasticity through the torsion spring, and the clamping block is automatically reset by the torsion elasticity of the torsion spring after being squeezed.

[0020] Compared with the prior art, the utility model has the following beneficial effects: the outer side of the ladder is sleeved with a protective structure, and the protective cover in the protective structure protects the rear side of the worker during the climbing process, so as to prevent the worker from falling directly due to the lack of interception objects when leaning back due to the lack of firm footing;

[0021] At the same time, the protective structure is provided with straps inside, which are slidably installed with the protective cover and are used to bind the staff. One-way blocks are provided on both sides of the sliding guide rails, which provide effective fall protection for the climbing staff and protect the staff from being pulled when their feet slip. The safety of the process of using ladders in hydraulic engineering maintenance is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a schematic diagram of a three-dimensional structure, a schematic diagram of a main three-dimensional structure;

[0023] Figure 2 is a schematic diagram of a three-dimensional structure, a schematic diagram of a three-dimensional structure viewed from top;

[0024] Figure 3 The schematic diagram of the three-dimensional structure is a schematic diagram of the three-dimensional structure of the strap from top view;

[0025] Figure 4 The schematic diagram of the three-dimensional structure is a schematic diagram of the three-dimensional structure of the card block when viewed from above;

[0026] Figure 5 The three-dimensional structure schematic diagram slider is a top-down three-dimensional structure schematic diagram.

[0027] In the figure:

[0028] 100, ladder body; 101, column; 102, pedal; 103, anti-slip pattern; 104, embedded reinforcement;

[0029] 200, protective structure; 201, protective cover; 202, safety belt; 203, child Velcro; 204, mother Velcro; 205, compensation belt; 206, slider; 207, shift block; 208, guide rail; 209, rotating seat; 210, clamping block; 211, torsion spring; 212, rotating shaft; 213, limit block. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1-5 , the utility model provides a technical solution:

[0032] See also Figure 1 , Figure 2 .

[0033] The ladder comprises a main body 100,

[0034] The ladder body 100 includes symmetrically distributed columns 101 and equidistantly distributed pedals 102 fixedly disposed between the columns 101;

[0035] One end of the column 101 is provided with equidistantly distributed embedded reinforcement bars 104;

[0036] The upper ends of the pedals 102 are provided with anti-slip grooves 103;

[0037] In this embodiment, by arranging equidistantly distributed embedded reinforcement 104 at one end of the column 101, and tightly installing the column 101 of the ladder body 100 together with the poured concrete, the overall stability and load-bearing capacity of the ladder are increased, and the safety is improved. The upper ends of the pedals 102 are provided with anti-slip grooves 103, which can effectively increase the friction between the footsteps of the person stepping on the pedals 102, reduce the risk of slipping due to moisture or other factors, and improve the safety of the ladder. Due to the design of the embedded reinforcement 104 and the anti-slip grooves 103, the ladder has a longer service life.

[0038] See also Figure 1-Figure 5 .

[0039] as well as;

[0040] The protective structure 200 includes a protective cover 201 located at one end of the column 101, a strip-shaped safety belt 202, a guide rail 208 located on the inner wall of the protective cover 201, a slider 206 slidably mounted on the outer wall of the guide rail 208, a shifting block 207 located at both ends of the slider 206, a rotating seat 209 embedded and mounted on the inner wall of the protective cover 201 and distributed equidistantly and on both sides of the guide rail 208, a rotating shaft 212 rotatably plugged into the rotating seat 209, a clamping block 210 fixed at one end of the rotating shaft 212, and a limiting block 21 located at the lower end of the clamping block 210 and connected to the inner wall of the protective cover 201;

[0041] A compensation belt 205 is connected between the safety belt 202 and the slider 206;

[0042] A female Velcro 204 is provided on the inner wall of one end of the safety belt 202, and a female Velcro 203 is provided on the outer wall of one side of the safety belt 202;

[0043] A torsion spring 211 is sleeved on the outer side of the rotating shaft 212, and two ends of the torsion spring 211 are respectively connected to the clamping block 210 and the limiting block 213;

[0044] In this embodiment, when the shift block 207 passes through the clamping block 210 and the extrusion ends, the torsional elasticity of the torsion spring 211 can automatically reset it, thereby realizing self-recovery and resetting of the system. Through the structures such as the slider 206, the shift block 207, and the clamping block 210, when the worker suddenly falls, it can be instantly started and the fall can be stopped, which provides convenience for the next use, prevents the occurrence of falling accidents, provides reliable protection for the workers, and avoids the high risk of workers falling due to fatigue caused by instability when climbing the ladder.

[0045] Working principle: The safety belt 202 is sleeved on the waist. When the staff sleeves the safety belt 202, the child Velcro 203 and the mother Velcro 204 are bonded to make the safety belt 202 sleeved and fixed on the waist. The slider 206 is slidably sleeved on the outer wall of the guide rail 208. The compensation belt 205 links the slider 206 and the safety belt 202. When the staff moves, the slider 206 is driven to slide on the guide rail 208 by the bound safety belt 202. During the sliding process of the slider 206, the shifting block 207 is driven to squeeze the clamping block 210, and the clamping block 210 squeezes the torsion spring 211, and the torsion spring 211 is stressed. The block 210 is deformed and the card block 210 rotates. When the shift block 207 passes the card block 210, the card block 210 is automatically reset by the torsional elasticity of the torsion spring 211 after being squeezed. When the staff member suddenly falls, the shift block 207 instantly impacts the card block 210 below. Because the card block 210 is limited by the limit block 213, the slider 206 is limited. The staff member is pulled by the compensation belt 205 to prevent the staff from falling. When the staff member climbs through the ladder body 100, the slider 206 is separated from the guide rail 208, and the safety belt 202 is pre-stored at the ladder body 100 for the next use.

Claims

1. A hydraulic engineering safety maintenance ladder, comprising a ladder body (100), The ladder body (100) comprises symmetrically distributed columns (101) and pedals (102) fixedly disposed between the columns (101) and distributed at equal intervals; as well as; The protective structure (200) comprises a protective cover (201) located at one end of a column (101), a strip-shaped safety belt (202), a guide rail (208) located on the inner wall of the protective cover (201), a slider (206) slidably mounted on the outer wall of the guide rail (208), a shifting block (207) located at both ends of the slider (206), a rotating seat (209) embedded and mounted on the inner wall of the protective cover (201) and distributed equidistantly on both sides of the guide rail (208), a rotating shaft (212) rotatably inserted into the rotating seat (209), a clamping block (210) fixedly mounted at one end of the rotating shaft (212), and a limiting block (213) located at the lower end of the clamping block (210) and connected to the inner wall of the protective cover (201).

2. A hydraulic engineering safety maintenance ladder as claimed in claim 1, characterized in that: One end of the column (101) is provided with pre-embedded reinforcements (104) distributed at equal intervals.

3. A hydraulic engineering safety maintenance ladder as claimed in claim 1, characterized in that: The upper ends of the pedals (102) are all provided with anti-slip grooves (103).

4. A hydraulic engineering safety maintenance ladder as claimed in claim 1, characterized in that: A compensation belt (205) is connected between the safety belt (202) and the slider (206).

5. A hydraulic engineering safety maintenance ladder as claimed in claim 1, characterized in that: A mother Velcro (204) is provided on the inner wall of one end of the safety belt (202), and a child Velcro (203) is provided on the outer wall of one side of the safety belt (202).

6. A hydraulic engineering safety maintenance ladder as claimed in claim 1, characterized in that: A torsion spring (211) is sleeved on the outer side of the rotating shaft (212), and two ends of the torsion spring (211) are respectively connected to a clamping block (210) and a limiting block (213).

Images