A vertical shaft safety soft ladder for coal chemical production

By designing a vertical shaft safety rope ladder with connecting blocks, pivots, steps, and support rods, the problem of only one person being able to climb in existing technologies has been solved. This enables two people to evacuate and climb simultaneously, improving safety and stability and increasing escape speed in emergencies.

CN223594099UActive Publication Date: 2025-11-25中煤陕西能源化工集团有限公司
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Patent Information

Application Number
CN202422638860.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-11-25
Estimated Expiration
2034-10-31

AI Technical Summary

Technical Problem

The existing safety rope ladders in the vertical shafts used in coal chemical production can only be climbed by one person at a time. In case of emergency, the evacuation speed is slow, which reduces the probability of workers escaping.

Method used

A safety rope ladder was designed, which includes a connecting block, a pivot, a footboard, a support rod, a limiting plate, and a locking block. It allows two people to climb at the same time. The design of the support rod and the limiting plate increases stability, and the fixed anchor and magnets prevent the footboard from shaking.

Benefits of technology

It enables two people to evacuate simultaneously in an emergency, improving escape speed and safety, reducing rope ladder swaying, and enhancing climbing stability.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223594099U_ABST
    Figure CN223594099U_ABST
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Abstract

The utility model discloses a vertical shaft safety soft ladder for coal chemical production relates to coal chemical production technical field. The utility model discloses a vertical shaft safety soft ladder for coal chemical production, through setting first pedal, second pedal, first support rod, second support rod, connecting block, first limit board, threaded column, clamping block, slide, moving block, spring and card hole, has realized the function of folding and unfolding to first pedal and second pedal, when needing to use the person is less, just need to use through the fixed cover with soft ladder fixed, when the user is more, unfolds to first pedal and second pedal, and first support rod and second support rod support first pedal and second pedal, and clamping block enters card hole, and the position of first pedal and second pedal is fixed, prevents using first pedal and second pedal and rotates, like this can let two people simultaneously through first pedal and second pedal and climb to soft ladder.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal chemical production, concretely to a vertical shaft safety soft ladder for coal chemical production. BACKGROUND

[0002] In coal chemical production, vertical shaft operation is a common working environment, and workers need to frequently go up and down the shaft. In order to prevent vertical shaft elevator failure, a safety soft ladder needs to be set in the vertical shaft, which can be used for emergency evacuation when the elevator fails.

[0003] Therefore, the Chinese patent No. CN 219262275 U proposes a vertical shaft tunneling safety soft ladder, which includes two cables, the top and bottom ends of the cables are fixedly installed with fixing sleeves, a plurality of steps are fixedly installed between the two cables, two rectangular grooves are formed on one side of the step, a sliding block is slidingly installed in the rectangular groove, the sliding block extends to the outside of the rectangular groove on one side and is welded with an anchor and a plurality of clamping teeth, a spring is arranged in the rectangular groove, one end of the spring is in contact with the sliding block, a sliding groove is formed on one side of the rectangular groove, a wedge-shaped block is slidingly installed in the sliding groove, and the wedge-shaped block is slidingly connected with the corresponding sliding block. Through the simple anchoring structure, the horizontal sliding of the soft ladder step on the shaft wall can be effectively prevented, the shaking of the soft ladder is reduced, personnel can smoothly climb, physical strength can be effectively saved, and great convenience is brought to evacuation work.

[0004] However, the vertical shaft tunneling safety soft ladder can only be used by one person to climb first, and the next person can continue to use it only after the first person climbs to a certain distance. In the event of an emergency, the slow evacuation speed can reduce the escape probability of the workers, thereby causing defects in the use of the device. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a vertical shaft safety soft ladder for coal chemical production to solve the problems in the above background art:

[0006] The vertical shaft tunneling safety soft ladder can only be used by one person to climb first, and the next person can continue to use it only after the first person climbs to a certain distance. In the event of an emergency, the slow evacuation speed can reduce the escape probability of the workers.

[0007] To achieve the above purposes, the utility model is implemented by the following technical solutions:

[0008] The utility model provides a kind of coal chemical production with shaft safety soft ladder, including connecting block, the inside fixed connection of connecting block is connected with rotating shaft, the outside rotating connection of rotating shaft is connected with first pedal and second pedal, the inside of first pedal and second pedal one end is all fixedly connected with first steel wire rope, the inside of first pedal and second pedal principle first steel wire rope one end is all fixedly connected with second steel wire rope, the inside rotating connection of first pedal is connected with second support rod, the inside rotating connection of second pedal is connected with first support rod, the first support rod away from second pedal one end is connected with the rotating connection of second support rod away from first pedal one end, the bottom of connecting block is fixedly connected with threaded column, the outside screw thread connection of threaded column is connected with first limit board, the end fixedly connected with connecting plate of threaded column away from connecting block, the top of connecting plate is connected with support plate symmetrically, support plate is equipped with two groups, rotating connection is connected with third support rod between two groups support plate, second limit board is fixedly connected between support plate, the end fixedly connected with second fixed plate of third support rod away from support plate, the side surface of first pedal and second pedal is all set with clamping hole, the inside sliding connection of connecting block is connected with clamping block.

[0009] Preferably, the inside of the connecting block is fixedly connected with a slide rod symmetrically, and the outside of the slide rod is slidingly connected with a moving block.

[0010] Preferably, the moving block is provided in two groups, and the two groups of moving blocks are fixedly connected to the two sides of the clamping block.

[0011] Preferably, a spring is fixedly connected between one side of the moving block and the connecting block.

[0012] Preferably, a handle is fixedly connected to one side of the first pedal and the second pedal.

[0013] Preferably, the two ends of the first steel wire rope and the second steel wire rope are provided with a fixing sleeve.

[0014] Preferably, a magnet is installed on the side of the connecting plate away from the threaded column.

[0015] Preferably, the first pedal and the second pedal are fixedly connected to the first fixed plate at one end, and the first fixed plate is provided with a plurality of fixed anchors on one side.

[0016] The utility model provides a kind of coal chemical production with shaft safety soft ladder. Compared with prior art, the following beneficial effects are achieved:

[0017] 1. The coal chemical production vertical shaft safety soft ladder, through the setting of the first pedal, the second pedal, the first supporting rod, the second supporting rod, the connecting block, the first limiting plate, the threaded column, the clamping block, the sliding rod, the moving block, the spring and the clamping hole, the folding and unfolding function of the first pedal and the second pedal is realized, when the number of people who need to use is small, the soft ladder can be used by being fixed through the fixing sleeve, the first pedal and the second pedal are folded together, the width of the pedal is increased, so that the staff's foot can be stepped more stably, when the number of users is large, the first pedal and the second pedal are unfolded, the first supporting rod and the second supporting rod support the first pedal and the second pedal, the clamping block enters the clamping hole, the position of the first pedal and the second pedal is fixed, and the rotation of the first pedal and the second pedal is prevented, so that two people can simultaneously climb the soft ladder through the first pedal and the second pedal.

[0018] 2. The coal chemical production vertical shaft safety soft ladder, through the setting of the first fixed plate, the fixed anchor, the third supporting rod and the second fixed plate, the function of preventing the soft ladder from shaking is realized, the first fixed plate and the fixed anchor contact the inner wall of the vertical shaft, the setting of the fixed anchor effectively prevents the soft pedal from sliding horizontally on the shaft wall and reduces the shaking of the soft ladder, one side of the second fixed plate contacts the inner wall of the vertical shaft, so that the third supporting rod supports the connecting block at the connection of the first pedal and the second pedal, and the shaking of the first pedal and the second pedal is further prevented. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the connecting block internal structure schematic view of the utility model;

[0020] Figure 2 It is the three-dimensional structure schematic of the utility model Figure One ;

[0021] Figure 3 It is the three-dimensional structure schematic of the utility model Figure Two ;

[0022] Figure 4 It is the folding state structure schematic view of the utility model;

[0023] Figure 5 It is the local structure schematic view of the utility model Figure One ;

[0024] Figure 6 It is the local structure schematic view of the utility model Figure Two ;

[0025] Figure 7 It is the local part A enlarged structure schematic view in the utility model;

[0026] Figure 8 It is the local part B enlarged structure schematic view in the utility model.

[0027] In the figure: 1, the first steel wire rope; 2, the second steel wire rope; 3, the first pedal; 4, the first fixed plate; 5, the fixed anchor; 6, the first support rod; 7, the second support rod; 8, the second pedal; 9, the handle; 10, the connecting block; 11, the rotating shaft; 12, the first limiting plate; 13, the clamping block; 14, the sliding rod; 15, the moving block; 16, the spring; 17, the support plate; 18, the second limiting plate; 19, the fixed sleeve; 20, the third support rod; 21, the second fixed plate; 22, the connecting plate; 23, the magnet; 24, the threaded column; 25, the clamping hole. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0029] Please refer to Figures 1-8The utility model provides a technical scheme: a vertical shaft safety soft ladder for coal chemical production, including connecting block 10, the inside fixed connection of connecting block 10 has pivot 11, the outside rotation of pivot 11 is connected with first pedal 3 and second pedal 8, and first pedal 3 and second pedal 8 follow the outside of connecting block 10 and rotate, and the inside fixed connection of one end of first pedal 3 and second pedal 8 is all first steel wire rope 1, and the inside fixed connection of one end of first pedal 3 and second pedal 8 is all second steel wire rope 2, and first steel wire rope 1 and second steel wire rope 2 connect multiple groups of first pedal 3 and second pedal 8, and the inside rotation of first pedal 3 is connected with second support rod 7, and the inside rotation of second pedal 8 is connected with first support rod 6, and the end of first support rod 6 away from second pedal 8 is rotationally connected with the end of second support rod 7 away from first pedal 3, when first pedal 3 and second pedal 8 are unfolded, first support rod 6 and second support rod 7 rotate, and first support rod 6 and second support rod 7 are in linear state and support the both sides of first pedal 3 and second pedal 8, the bottom fixed connection of connecting block 10 has threaded column 24, and the outside screw thread connection of threaded column 24 has first limit board 12, and first limit board 12 rotates and moves on the outside of threaded column 24, and the end of threaded column 24 away from connecting block 10 is fixedly connected with connecting plate 22, and the top of connecting plate 22 is connected with support plate 17, and support plate 17 is equipped with two groups, and the rotation of third support rod 20 between two groups of support plate 17 is connected, and second limit board 18 is fixedly connected between support plate 17, and the end of second fixed plate 21 fixedly connected with third support rod 20 away from support plate 17, and the rotation range of third support rod 20 in second limit board 18 to support plate 17 is limited, to ensure that the side of second fixed plate 21 is in contact with the inner wall of vertical shaft under the natural falling state of third support rod 20 and second fixed plate 21, and the surface of one side of first pedal 3 and second pedal 8 is all provided with clamping hole 25, and the inside sliding connection of connecting block 10 has clamping block 13, and clamping block 13 enters clamping hole 25, and the position of first pedal 3 and second pedal 8 is fixed, to prevent first pedal 3 and second pedal 8 from rotating when using, to threaten the safety of user.

[0030] Further, the inside of connecting block 10 is fixedly connected with slide rod 14, and the outside of slide rod 14 is slidingly connected with moving block 15.

[0031] Further, the moving block 15 is provided with two groups, and the two sides of the clamping block 13 are fixedly connected with the two groups of moving blocks 15.

[0032] Further, the side of the moving block 15 is fixedly connected with the spring 16 between the connecting block 10, the moving block 15 moves to press the spring 16, when the spring 16 loses the pressing force, under the action of the elastic force, the spring 16 takes the moving block 15 and restores to the original position.

[0033] Further, the side of the first pedal 3 and the second pedal 8 is fixedly connected with the handle 9, so that the hand of the user can better grip the soft ladder during climbing, the stability during climbing is increased, and the risk of accidental sliding is reduced.

[0034] Further, the two ends of the first steel wire rope 1 and the second steel wire rope 2 are provided with the fixed sleeve 19, the soft ladder is better fixed and installed.

[0035] Further, the side of the connecting plate 22 away from the threaded column 24 is provided with the magnet 23, when not using or not needing to unfold the first pedal 3 and the second pedal 8 for use, the magnet 23 adsorbs the third supporting rod 20, the third supporting rod 20 is fixed at the bottom of the first pedal 3 and the second pedal 8.

[0036] Further, the one end of the first pedal 3 and the second pedal 8 is fixedly connected with the first fixed plate 4, the side of the first fixed plate 4 is provided with a plurality of fixed anchors 5, the first fixed plate 4 fixed anchor 5 contacts with the inner wall of the shaft, prevents the soft ladder pedal from sliding transversely on the shaft wall, so that the soft ladder shaking is reduced.

[0037] When in use, when a single person uses, the first pedal 3 and the second pedal 8 do not need to be unfolded, the soft ladder is fixed through the fixed sleeve 19, and then can be used, the first pedal 3 and the second pedal 8 are rotated, the first supporting rod 6 and the second supporting rod 7 are respectively stretched out from the second pedal 8 and the first pedal 3, a stable triangular structure is formed between the first pedal 3, the second pedal 8, the first supporting rod 6 and the second supporting rod 7, so that the safety soft ladder can be used by two people to climb from the first pedal 3 and the second pedal 8 at the same time, the first limiting plate 12 is rotated along the outside of the threaded column 24 until the first limiting plate 12 contacts with the side of the connecting block 10, the first limiting plate 12 moves to press the clamping block 13 into the clamping hole 25, the position of the first pedal 3 and the second pedal 8 is limited, prevents the first pedal 3 and the second pedal 8 from rotating during use, the third supporting rod 20 is rotated, the side of the third supporting rod 20 is away from the magnet 23, the third supporting rod 20 is in a natural state of falling, when in use, the side of the first fixed plate 4 is attached to the inner wall of the shaft, the fixed anchor 5 is arranged, so that the soft ladder pedal can be effectively prevented from sliding transversely on the shaft wall, so that the soft ladder shaking is reduced, and the side of the second fixed plate 21 contacts with the inner wall of the shaft, the third supporting rod 20 supports the connecting block 10 at the connecting position of the first pedal 3 and the second pedal 8, further ensures the stability of the soft ladder when the workers on both sides climb.

[0038] Meanwhile, the contents not described in detail in the present specification are all the prior art known to those skilled in the art.

[0039] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying that there is any such actual relationship or order between these entities or actions. Moreover, the terms "comprises", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, such that a process, method, article, or apparatus that comprises a list of elements does not only include those elements, but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more limitations, the statement "comprises a limited element" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the stated element.

[0040] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A vertical safety soft ladder for coal chemical production, comprising a connecting block (10), characterized in that: The inside of the connecting block (10) is fixedly connected with a rotating shaft (11), the outer side of the rotating shaft (11) is rotatably connected with a first pedal (3) and a second pedal (8), one end of the first pedal (3) and the second pedal (8) is fixedly connected with a first steel wire rope (1), the first pedal (3) and the second pedal (8) are fixedly connected with a second steel wire rope (2) at one end of the first steel wire rope (1), the inside of the first pedal (3) is rotatably connected with a second supporting rod (7), the inside of the second pedal (8) is rotatably connected with a first supporting rod (6), the end of the first supporting rod (6) away from the second pedal (8) is rotatably connected with the end of the second supporting rod (7) away from the first pedal (3), the bottom of the connecting block (10) is fixedly connected with a threaded column (24), the outer side of the threaded column (24) is threadedly connected with a first limiting plate (12), the end of the threaded column (24) away from the connecting block (10) is fixedly connected with a connecting plate (22), the top of the connecting plate (22) is symmetrically connected with a supporting plate (17), the supporting plate (17) is provided with two groups, the two groups of supporting plates (17) are rotatably connected with a third supporting rod (20), the supporting plates (17) are fixedly connected with a second limiting plate (18), the end of the third supporting rod (20) away from the supporting plate (17) is fixedly connected with a second fixed plate (21), the side surface of the first pedal (3) and the second pedal (8) is provided with a clamping hole (25), and the inside of the connecting block (10) is slidably connected with a clamping block (13).

2. The vertical safety soft ladder for coal chemical production according to claim 1, characterized in that: The inside of the connecting block (10) is fixedly connected with a sliding rod (14), and the outer side of the sliding rod (14) is slidably connected with a moving block (15).

3. The vertical safety soft ladder for coal chemical production according to claim 2, characterized in that: The moving block (15) is provided with two groups, and the two groups of moving blocks (15) are fixedly connected with the two sides of the clamping block (13).

4. The vertical safety soft ladder for coal chemical production according to claim 3, characterized in that: The side of the moving block (15) and the connecting block (10) are fixedly connected with a spring (16).

5. The vertical safety soft ladder for coal chemical production according to claim 1, characterized in that: The side of the first pedal (3) and the second pedal (8) is fixedly connected with a handle (9).

6. The vertical safety soft ladder for coal chemical production according to claim 1, characterized in that: The two ends of the first steel wire rope (1) and the second steel wire rope (2) are provided with a fixed sleeve (19).

7. The vertical safety soft ladder for coal chemical production according to claim 1, characterized in that: The side of the connecting plate (22) away from the threaded column (24) is provided with a magnet (23).

8. The vertical safety soft ladder for coal chemical production according to claim 1, characterized in that: One end of the first pedal (3) and the second pedal (8) is fixedly connected with a first fixed plate (4), and the side of the first fixed plate (4) is provided with a plurality of fixed anchors (5).

Citation Information

Patent Citations

  • Safe rope ladder for vertical shaft tunneling

    CN219262275U