Detachable construction ladder anti-skid structure

Abstract

This utility model discloses a detachable anti-slip structure for construction ladders, including a connecting plate, a foot pedal, and a moving component. A support frame is rotatably connected to the inner side of the connecting plate, and a connector is rotatably connected to the support frame. An anti-slip pad is fixedly connected to the lower end of the support frame. A moving component is located on one side of the support frame. A foot pedal is fixedly connected to the inner side of the support frame, and an anti-slip pad is provided on the foot pedal. A connecting block is fixedly connected to the lower end of the anti-slip pad. A first spring is fixedly connected to the inner side of the foot pedal. A movable plate is fixedly connected to one side of the first spring, and a limit block is fixedly connected to one side of the movable plate. By pulling the pull plate, the movable plate moves, compressing the first spring. The movable plate then moves the limit block, causing it to disengage from the groove on the connecting block, thus releasing the limiting effect on the connecting block. The anti-slip pad can then be removed and replaced by pulling it, thereby reducing operating costs, preventing resource waste, and greatly improving construction efficiency and safety.

Description

Technical Field

[0001] This utility model relates to the field of construction ladder technology, and in particular to a detachable anti-slip structure for construction ladders. Background Technology

[0002] In the construction system of building sites, ladders play a crucial role in vertical transportation, serving as an important passageway for construction workers to frequently move between different work surfaces. Given the complex environment of construction sites, where the ground may contain mud, water, oil, and other factors that can easily cause slips, the scientific rationality, sturdiness, and durability of the ladder's anti-slip structure directly affects the safety of every construction worker, playing a pivotal and indispensable role in ensuring construction safety.

[0003] Existing construction anti-slip ladders utilize the wear resistance of metal materials and the roughness of corundum to further improve the anti-slip effect of the ladder by embossing the ladder surface, grooving (such as horizontal or vertical tenons), embedding metal strips (aluminum / copper strips) or corundum anti-slip strips.

[0004] However, ladders are subjected to constant foot traffic, and over time, the abrasive anti-slip strips may shed sand particles. The horizontal or vertical tenon and groove structures will also gradually become shallower and smoother due to continuous wear. More importantly, the anti-slip structures of existing construction ladders are mostly fixedly connected to the main body of the ladder and cannot be disassembled or replaced. Once the anti-slip structure is damaged, the entire ladder must be replaced, which not only increases the cost of use but also wastes resources. Utility Model Content

[0005] For existing construction anti-slip ladders, the abrasive anti-slip strips may shed sand particles after long-term foot traffic, and the horizontal or vertical tenon and groove structures will gradually become shallower and smoother due to continuous wear. However, the main body of the ladder is fixed and cannot be disassembled and replaced.

[0006] The technical solution of this utility model is as follows: a detachable construction ladder anti-slip structure, including a connecting plate; it also includes a foot pedal and a moving component; a support frame is rotatably connected to the inner side of the connecting plate, a connector is rotatably connected to the support frame, an anti-slip pad is fixedly connected to the lower end of the support frame, a moving component is provided on one side of the support frame, a foot pedal is fixedly connected to the inner side of the support frame, an anti-slip pad is provided on the foot pedal, a connecting block is fixedly connected to the lower end of the anti-slip pad, a first spring is fixedly connected to the inner side of the foot pedal, a movable plate is fixedly connected to one side of the first spring, a limit block is fixedly connected to one side of the movable plate, and a pull plate is fixedly connected to the lower end of the movable plate.

[0007] Preferably, the foot pedal has a groove, and the movable plate is slidably connected to the inside of the foot pedal through the groove.

[0008] Preferably, the connecting block has a second slot, and the limiting block is engaged with the inner side of the connecting block through the second slot.

[0009] Preferably, multiple sets of foot pedals are provided, and multiple sets of foot pedals are arranged in a linear array on the support frame.

[0010] Preferably, the movable component includes a rotating shaft, a rotating shaft rotatably connected to the inner side of the support frame, a mounting frame rotatably connected to the outer side of the rotating shaft, a caster wheel fixedly connected to the lower end of the mounting frame, a limit pin movably connected to the inner side of the mounting frame, a pull ring provided inside the limit pin, a second spring fixedly connected to the inner side of the limit pin, and a limit bead provided on one side of the second spring.

[0011] Preferably, the support frame has a third groove, and the limiting pin is movably connected to the inner side of the support frame through the third groove. There are two sets of the third groove.

[0012] As a preferred embodiment, the limiting pin has a groove four, and the limiting bead is slidably connected to the inside of the limiting pin through the groove four.

[0013] The beneficial effects of this utility model are as follows: Compared with existing construction anti-slip ladders, which may experience sand particles falling off the diamond-grit anti-slip strips due to long-term foot traffic, and whose horizontal or vertical tenon and groove structures gradually become shallower and smoother due to continuous wear, and whose main body is fixed and cannot be disassembled and replaced, this device removes the anti-slip pad by pulling a pull plate, which in turn moves a movable plate. The movable plate compresses the first spring, and the movable plate moves the limit block, causing the limit block to disengage from the groove on the connecting block, thereby releasing the limit on the connecting block. Then, the anti-slip pad can be removed and replaced by pulling it, thereby reducing the cost of use, preventing resource waste, and greatly improving construction efficiency and safety. Attached Figure Description

[0014] Figure 1 The diagram shown is a three-dimensional structural schematic of this utility model; Figure 2 The diagram shown is a disassembled structural diagram of the foot pedal, anti-slip mat, and connecting block of this utility model; Figure 3 The diagram shown is a cross-sectional view of the combination of the foot pedal, anti-slip mat, connecting block, first spring, movable plate, limiting block and pull plate of this utility model. Figure 4 The diagram shown is a cross-sectional view of the combination of the support frame, anti-slip pads, rotating shaft, mounting frame, casters and limiting pins of this utility model. Figure 5 The diagram shown is a cross-sectional view of the combination of the limiting pin, pull ring, second spring, and limiting bead of this utility model.

[0015] Explanation of reference numerals in the attached drawings: 1. Connecting plate; 2. Support frame; 3. Connector; 4. Anti-slip pad; 501. Foot pedal; 502. Anti-slip pad; 503. Connecting block; 504. First spring; 505. Movable plate; 506. Limiting block; 507. Pull plate; 601. Rotating shaft; 602. Mounting bracket; 603. Caster wheel; 604. Limiting pin; 605. Pull ring; 606. Second spring; 607. Limiting bead. Detailed Implementation

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0017] In high-risk construction scenarios such as bridge piers, deep foundation pits, and subway tunnels, anti-slip climbing ladders are core equipment for ensuring personnel safety. They are not only vertical transportation tools but also "safety barriers" to prevent falls from heights. Their design integrates engineering mechanics, materials science, and ergonomics, forming three core advantages: "stable structure, anti-slip and fall prevention, and modular assembly."

[0018] The construction anti-slip ladder adopts a plug-in banana-type scaffolding system, with uprights, horizontal bars, and diagonal braces forming a three-dimensional spatial frame. Its stability far exceeds that of traditional scaffolding. The pin-locking node technology features high-strength steel plate stamped pins spaced 50-100cm apart on the uprights, and banana-type plugs at both ends of the horizontal bars, achieving "boltless self-locking" through a two-way locking function. This design increases the contact area between the horizontal and vertical bars, improving overall stability by 20% compared to cup-lock scaffolding, and can withstand winds up to level 10 or minor earthquake impacts. The diagonal brace reinforcement system uses diagonal braces arranged crosswise on all four sides of the frame, forming a "triangular mechanical structure" that distributes vertical loads in four directions. For example, in a 60-meter-high ladder, the diagonal braces can reduce lateral displacement by 65%, ensuring no deformation over long-term use. The optimized ladder design uses a Z-shaped zigzag staircase with 30cm spacing between each step, conforming to ergonomic stride length. The surface of the steps is processed with anti-slip textures, achieving a friction coefficient of over 0.6, providing stable grip even when wet or oily.

[0019] Addressing the challenges of damp and muddy construction environments, the anti-slip ladder incorporates a five-fold protection mechanism: Material anti-slip: The rungs are made of 6061-T6 aluminum alloy with an anodized surface forming a microporous structure, resulting in a water absorption rate of less than 0.1%, far superior to the 5% water absorption rate of ordinary steel, reducing the risk of slipping at the source. Structural anti-slip: The steps feature a double anti-slip design with grooves and ridges. The grooves are 3mm deep, and the ridges are 2mm high, creating a mechanical interlocking effect. Actual tests show that when workers are fully loaded with tool bags (approximately 20kg), the slip distance is reduced from 15cm with traditional ladders to less than 2cm. Cage protection: The 360° fully enclosed cage uses a modular design, with each section 2 meters high, connected to the frame via a riveting process, eliminating welding points and preventing the risk of weld cracking. The spacing between the safety cages is precisely controlled between 0.6 and 0.8 meters, meeting the requirements of the "Technical Specification for Safety of High-Altitude Operations in Building Construction". The fall arrestor linkage system is in place: high-end models are equipped with a speed-differential fall arrestor. When a falling speed exceeding 0.5 m / s is detected, it triggers locking within 0.2 seconds, with a braking distance of less than 0.3 meters, far exceeding the national standard requirement of 1.2 meters. Nighttime reflective markings are provided: the frame surface is coated with fluorescent paint, and LED warning lights are installed on the top of the safety cage, ensuring a visibility distance of 200 meters during nighttime construction and reducing the collision accident rate.

[0020] Traditional steel ladders require cranes for installation, and only 30 meters can be erected in 8 hours. In contrast, the anti-slip ladder uses a "Lego-style" assembly system: rapid assembly technology: the crossbar plugs and pins are installed using a two-step "insert-knock" method, allowing a single person to assemble 15 sections (approximately 7.5 meters) per hour, increasing efficiency by 300%. Lightweight design: the aluminum alloy material makes each ladder section weigh only 25kg, one-third the weight of a steel ladder, allowing for manual transport to high-level work areas without heavy machinery. Customizable configuration: it supports adjustments to height, width (0.8–1.5 meters), and step density to adapt to different scenarios such as bridge piers (typically 60–120 meters) and deep foundation pits (15–30 meters). For example, the 120-meter-high ladder used in the construction of the Hong Kong-Zhuhai-Macau Bridge successfully passed a category 12 typhoon simulation test by increasing the density of the diagonal braces and the strength of the protective cage.

[0021] Installation Specifications: Operation must be performed by certified scaffolders. The foundation must be hardened with C20 concrete. Verticality deviation of uprights ≤ 1 / 500, and frame diagonal error ≤ 3‰. Daily Inspection: Implement the "Three-Check System"—check the stability of the footboards before shift, check the integrity of the cage during shift, and clean up mud and water after shift. Maintenance Cycle: Aluminum alloy ladders undergo anodizing layer repair every 5 years; steel ladders undergo rust removal and painting every 2 years; fall arrestors are tested and calibrated annually by a professional organization. Scrapping Criteria: When the frame deformation exceeds 1 / 1000, the diameter of rust perforations in the cage is > 5mm, or the anti-slip texture wear is > 50%, the ladder must be scrapped.

[0022] Construction anti-slip ladders have evolved from simple vertical passages into "intelligent safety platforms." Their modular design, active protection technology, and full life-cycle management are reshaping safety standards for high-altitude operations. In today's world where "safety is productivity," choosing compliant products and strictly adhering to operational standards are the most basic respects for workers' lives and the cornerstone of sustainable corporate development.

[0023] Please see Figure 1 - Figure 5 This utility model provides an embodiment of a detachable construction ladder anti-slip structure, including a connecting plate 1; it also includes a foot pedal 501 and a moving component; a support frame 2 is rotatably connected to the inner side of the connecting plate 1, a connector 3 is rotatably connected to the support frame 2, an anti-slip pad 4 is fixedly connected to the lower end of the support frame 2, a moving component is provided on one side of the support frame 2, a foot pedal 501 is fixedly connected to the inner side of the support frame 2, an anti-slip pad 502 is provided on the foot pedal 501, a connecting block 503 is fixedly connected to the lower end of the anti-slip pad 502, and a first spring 5 is fixedly connected to the inner side of the foot pedal 501. 04. A movable plate 505 is fixedly connected to one side of the first spring 504. A limit block 506 is fixedly connected to one side of the movable plate 505. A pull plate 507 is fixedly connected to the lower end of the movable plate 505. A groove is provided on the foot pedal 501. The movable plate 505 is slidably connected to the inside of the foot pedal 501 through the groove. The groove on the foot pedal 501 allows the movable plate 505 to slide inside the foot pedal 501, thereby guiding and limiting the movable plate 505. A groove is provided on the connecting block 503. The limit block 506 is engaged through the groove. The connecting block 503 is connected to the inner side of the connecting block 503. A groove is provided on the connecting block 503, allowing the limiting block 506 to engage with the inner side of the connecting block 503, thus limiting and fixing the connecting block 503. Multiple sets of foot pedals 501 are arranged in a linear array on the support frame 2. The multiple sets of foot pedals 501 facilitate upward climbing by construction personnel. Pulling the pull plate 507 moves the movable plate 505, which in turn compresses the first spring 504, causing the limiting block 506 to move. Move the limiting block 506 to disengage from the groove on the connecting block 503, thereby releasing the limiting effect on the connecting block 503. Then, pull the anti-slip pad 502 to remove and replace it. Then, insert the connecting block 503 on the new anti-slip pad 502 into the foot pedal 501. After the connecting block 503 is installed in place, release the pull plate 507. The first spring 504 drives the movable plate 505 to move. The movable plate 505 drives the limiting block 506 to move, so that the limiting block 506 engages with the groove on the connecting block 503, thereby limiting and fixing the connecting block 503. The replacement is complete.

[0024] Please see Figure 4 - Figure 5In this embodiment, the movable component includes a rotating shaft 601. The rotating shaft 601 is rotatably connected to the inner side of the support frame 2, and a mounting frame 602 is rotatably connected to the outer side of the rotating shaft 601. A caster wheel 603 is fixedly connected to the lower end of the mounting frame 602. A limit pin 604 is movably connected to the inner side of the mounting frame 602. A pull ring 605 is provided inside the limit pin 604. A second spring 606 is fixedly connected to the inner side of the limit pin 604. A limit bead 607 is provided on one side of the second spring 606. The support frame 2... The support frame 602 has a three-slotted groove, through which the limiting pin 604 is movably connected to the inner side of the support frame 2. There are two sets of three-slotted grooves. The three-slotted grooves on the support frame 2 serve to limit and fix the mounting frame 602. The limiting pin 604 has a four-slotted groove, through which the limiting bead 607 is slidably connected to the inner side of the limiting pin 604. The four-slotted groove on the limiting pin 604 allows the limiting bead 607 to slide and be connected to the inner side of the limiting pin 604, thus providing a guiding and limiting effect.

[0025] During operation, pulling the pull plate 507 causes the movable plate 505 to move, which in turn presses against the first spring 504. This causes the limit block 506 to move, disengaging it from the groove on the connecting block 503 and releasing it from its position. The anti-slip pad 502 can then be removed and replaced by pulling it. The new anti-slip pad 502 is then inserted into the foot pedal 501. Once the connecting block 503 is in place, releasing the pull plate 507 causes the first spring 504 to move the movable plate 505, which in turn moves the limit block. Move 506 to engage the limiting block 506 with the slot 2 on the connecting block 503, thereby limiting and fixing the connecting block 503. Replacement complete. When moving the ladder, pull the pull ring 605. The pull ring 605 drives the limiting pin 604 to move. The limiting bead 607 is squeezed back to the inside of the limiting pin 604, thereby pulling out the limiting pin 604. Then rotate the mounting bracket 602, and the caster wheel 603 contacts the ground. Then insert the limiting pin 604 into the slot 3 on the mounting bracket 602 and the support frame 2, thereby fixing the mounting bracket 602. Then push the support frame 2 to make the caster wheel 603 roll, thereby facilitating the transfer of the ladder.

[0026] Through the above steps, by pulling the pull plate 507, the pull plate 507 drives the movable plate 505 to move. The movable plate 505 presses against the first spring 504, and the movable plate 505 drives the limiting block 506 to move, causing the limiting block 506 to disengage from the groove two on the connecting block 503, thereby releasing the limitation on the connecting block 503. Then, by pulling the anti-slip pad 502, it can be removed and replaced. Then, the connecting block 503 on the new anti-slip pad 502 is inserted into the foot pedal 501. After the connecting block 503 is installed in place, the pull plate 507 is released. The first spring 504 drives the movable plate 505 to move, and the movable plate 505 drives the limiting block 506 to move, so that the limiting block 506 engages with the groove two on the connecting block 503, thereby limiting and fixing the connecting block 503. The replacement is complete.

Claims

1. A detachable construction ladder anti-slip structure, including a connecting plate (1); characterized in that: It also includes a foot pedal (501) and a moving component; a support frame (2) is rotatably connected to the inside of the connecting plate (1), a connector (3) is rotatably connected to the support frame (2), an anti-slip pad (4) is fixedly connected to the lower end of the support frame (2), a moving component is provided on one side of the support frame (2), a foot pedal (501) is fixedly connected to the inside of the support frame (2), an anti-slip pad (502) is provided on the foot pedal (501), a connecting block (503) is fixedly connected to the lower end of the anti-slip pad (502), a first spring (504) is fixedly connected to the inside of the foot pedal (501), a movable plate (505) is fixedly connected to one side of the first spring (504), a limit block (506) is fixedly connected to one side of the movable plate (505), and a pull plate (507) is fixedly connected to the lower end of the movable plate (505).

2. The detachable construction ladder anti-slip structure according to claim 1, characterized in that: A groove is provided on the foot pedal (501), and a movable plate (505) is slidably connected to the inside of the foot pedal (501) through the groove.

3. The detachable construction ladder anti-slip structure according to claim 1, characterized in that: The connecting block (503) has a second slot, and the limiting block (506) is engaged and connected to the inside of the connecting block (503) through the second slot.

4. The detachable construction ladder anti-slip structure according to claim 1, characterized in that: Multiple sets of foot pedals (501) are provided, and multiple sets of foot pedals (501) are arranged in a linear array on the support frame (2).

5. The detachable construction ladder anti-slip structure according to claim 1, characterized in that: The movable component includes a rotating shaft (601), the rotating shaft (601) is rotatably connected to the inner side of the support frame (2), the mounting frame (602) is rotatably connected to the outer side of the rotating shaft (601), the lower end of the mounting frame (602) is fixedly connected to a caster wheel (603), the inner side of the mounting frame (602) is movably connected to a limit pin (604), the inner side of the limit pin (604) is provided with a pull ring (605), the inner side of the limit pin (604) is fixedly connected to a second spring (606), and a limit bead (607) is provided on one side of the second spring (606).

6. The detachable construction ladder anti-slip structure according to claim 5, characterized in that: The support frame (2) has a three-slot, and the limiting pin (604) is movably connected to the inner side of the support frame (2) through the three-slot. There are two sets of three-slot.

7. The detachable construction ladder anti-slip structure according to claim 5, characterized in that: The limiting pin (604) has a groove four, and the limiting bead (607) is slidably connected to the inside of the limiting pin (604) through the groove four.

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