Non-slip step bar and steel ladder

Abstract

The embodiment of the application provides a kind of anti-skid step stick and steel ladder, the anti-skid step stick includes: step stick body;Anti-skid structure, the number of anti-skid structure is multiple, multiple anti-skid structures are arranged on the surface of step stick body, the surface of any anti-skid structure is provided with multiple protruding structures, wherein, gap is arranged between adjacent two protruding structures;Pressure sensor, pressure sensor is installed in any gap, or, between the adjacent two anti-skid structures of the same side of step stick body, wherein, pressure sensor is used to detect the stepping pressure applied to step stick body;Vibration motor, vibration motor is installed on step stick body, the driver input end of vibration motor is connected to the output end of pressure sensor.The scheme can improve the friction performance of step stick surface, enhance the long-term stability of anti-skid structure, and provide immediate feedback to climbing workers when stepping abnormally, thereby improving the safety of steel ladder passage and reducing maintenance cost.

Description

Technical Field

[0001] This application relates to the technical field of building safety protection and industrial access facilities, and in particular to an anti-slip step bar and a steel ladder. Background Technology

[0002] Because there is a risk of slipping when workers climb ladders, additional anti-slip measures need to be taken for the ladder rungs.

[0003] Current technology typically involves attaching a non-slip rubber strip to the ladder rungs. However, this method not only fails to meet the long-term anti-slip requirements of high-intensity, high-frequency use scenarios but also lacks the ability to provide early warnings of slippage risks. Therefore, how to meet the long-term anti-slip requirements of ladder rungs while providing slippage risk warnings is an urgent problem to be solved. Summary of the Invention

[0004] This application provides an anti-slip step and a steel ladder. The anti-slip step has a functional system built on the step body that takes into account both anti-slip contact and stepping status perception. This allows the step to provide basic anti-slip capability while also responding to the stepping force of the climbing personnel and providing a prompt when the stepping status is abnormal, thereby improving the anti-slip safety guarantee capability of the step in long-term use and complex environments.

[0005] In a first aspect, embodiments of this application provide an anti-slip footrest, comprising:

[0006] The body of the walking stick;

[0007] The anti-slip structure consists of multiple anti-slip structures, which are set on the surface of the pedal body. Each anti-slip structure has multiple protrusions on its surface, with gaps between adjacent protrusions.

[0008] A pressure sensor is installed in any gap, or between two adjacent anti-slip structures on the same side of the pedal body, wherein the pressure sensor is used to detect the stepping pressure applied to the pedal body.

[0009] A vibratory motor is mounted on the pedal body. The driver input of the vibratory motor is connected to the output of the pressure sensor. The driver is configured to output a drive signal when the pedal pressure is less than a pressure threshold. The drive signal is used to drive the vibratory motor to vibrate.

[0010] In one possible implementation, multiple anti-slip structures are evenly distributed around the circumference of the pedal body; the anti-slip structures are set on the surface of the pedal body by welding or integral molding process.

[0011] In one possible implementation, the protrusions of the anti-slip structure are rhomboid in shape.

[0012] In one possible implementation, the foot pedal body is cylindrical or rectangular, and the foot pedal body has a hollow structure.

[0013] In one possible implementation, the anti-slip pedal also includes:

[0014] The motor mounting slot is located inside the foot pedal body and is used to install the vibration motor.

[0015] In one possible implementation, the anti-slip pedal also includes:

[0016] The heating wire is located inside the pedal body. When the heating wire is heated, the heat generated by the heating wire is transferred to the pedal body.

[0017] In one possible implementation, the anti-slip pedal also includes:

[0018] An integrated control module is located inside the foot pedal body. The integrated control module includes at least a driver for the vibration motor and a power management module.

[0019] The power module is located at one end inside the foot pedal body. The control end of the power module is connected to the power management module, and the power supply end of the power module is connected to the vibration motor, the heating wire, and the integrated control module. The power management module is configured to send a power supply signal to the power module when the ambient temperature is lower than the temperature threshold, so that the power module supplies power to the heating wire.

[0020] In one possible implementation, the anti-slip pedal also includes:

[0021] The temperature sensor is installed inside the pedal body. The output terminal of the temperature sensor is connected to the power management module, and the power supply terminal of the temperature sensor is connected to the power module. The temperature sensor is used to detect the ambient temperature.

[0022] The power module is also used to power the temperature sensor.

[0023] In one possible implementation, the anti-slip pedal also includes:

[0024] The mounting notch is located at one end of the foot pedal body and provides operating space for installing heating wires, integrated control modules, power modules, and temperature sensors.

[0025] Secondly, embodiments of this application provide a steel ladder, the steel ladder comprising:

[0026] The ladder beam is provided with multiple anti-slip treads as described above and / or various possible anti-slip treads.

[0027] The cage hoops are fixed to the ladder beams, and the cage uprights are set between two adjacent cage hoops.

[0028] The anti-slip footrail and steel ladder provided in this application embodiment form a stable anti-slip contact interface on the footrail body surface by setting multiple anti-slip structures on the surface of the footrail body and forming multiple protrusions on the surface of the anti-slip structures with gaps between adjacent protrusions. By installing pressure sensors in the gaps or between two adjacent anti-slip structures on the same side of the footrail body, and using the pressure sensors to detect the stepping pressure applied to the footrail body, the stepping force state of the climbing operator can be effectively sensed. Furthermore, when the stepping pressure is less than the pressure threshold, the driver outputs a drive signal to cause the vibration motor to vibrate, thereby providing a timely vibration warning to the climbing operator when slippage is possible. A heatable heating wire is installed inside the anti-slip footrail to heat the footrail body in extreme cases, preventing the footrail body from freezing and improving the adaptability of the anti-slip footrail to complex working conditions and its safety during long-term use. Attached Figure Description

[0029] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0030] Figure 1 Schematic diagram of the anti-slip pedal provided in this application Figure 1 ;

[0031] Figure 2 Schematic diagram of the anti-slip pedal provided in this application Figure 2 ;

[0032] Figure 3 This is a structural schematic diagram of the steel ladder provided in this application.

[0033] The accompanying drawings have illustrated specific embodiments of this application, which will be described in more detail below. These drawings and descriptions are not intended to limit the scope of the concept in any way, but rather to illustrate the concept of this application to those skilled in the art through reference to specific embodiments. Detailed Implementation

[0034] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application.

[0035] Steel ladder anti-slip technology belongs to the field of building safety protection and industrial access facilities technology. It is mainly used in scenarios where personnel need to move up and down a straight ladder, such as factories, towers, equipment platforms, and bridge maintenance passages. In these scenarios, the rungs are the parts that directly bear the force on the workers' feet, and their surface anti-slip performance is directly related to climbing stability and work safety.

[0036] Existing steel ladders typically have anti-slip components added to the surface of the rungs to increase the friction between the soles of shoes and the rungs through surface texture or friction materials. A common method is to glue rubber strips, plastic strips, or textured additional layers to the outer surface of the metal rungs, allowing people to rely on the rough surface of the additional layer for anti-slip when stepping on them.

[0037] However, the anti-slip effect of this type of solution largely depends on the reliability of the adhesion between the additional components and the foot pedal. During long-term use, the foot pedal is repeatedly subjected to the impact of being stepped on, equipment vibration, and the effects of external factors such as rain, moisture, corrosive media, and sunlight, which can easily lead to aging, cracking, or peeling of the adhesive layer, resulting in the loosening and detachment of the anti-slip components, and a continuous decline in the overall anti-slip performance.

[0038] Meanwhile, existing solutions mainly rely on passive friction enhancement to achieve anti-slip, making it difficult to promptly identify abnormal footing conditions when foot pressure is insufficient or the footwork is unstable, and even less able to provide immediate feedback to climbing personnel. Therefore, existing anti-slip solutions for footboards not only fail to proactively warn of slip risks during high-altitude climbing, but also suffer from frequent maintenance, replacement, and downtime for repairs, making it difficult to meet the requirements for long-term stable use in complex environments.

[0039] In view of this, how to meet the long-term anti-slip requirements of ladder runners while providing proactive warnings of slippage risks has become an urgent technical problem to be solved.

[0040] To address the aforementioned issues, this application provides an anti-slip foot pedal. By setting multiple anti-slip structures on the surface of the foot pedal body and arranging pressure sensors between the protruding structures of the anti-slip structures or between adjacent anti-slip structures, the pedaling pressure is detected. When the detected pedaling pressure is less than a pressure threshold, a vibration motor is driven to vibrate, providing an active anti-slip warning, thereby balancing basic anti-slip function with active warning capability.

[0041] The technical solution of this application and how the technical solution of this application solves the above-mentioned technical problems are described in detail below with specific embodiments. These specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described again in some embodiments. The embodiments of this application will be described below with reference to the accompanying drawings.

[0042] Figure 1 Schematic diagram of the anti-slip pedal provided in this application Figure 1 ,like Figure 1As shown, the anti-slip footrest includes:

[0043] Step stick body 101;

[0044] Anti-slip structure 102, there are multiple anti-slip structures 102, multiple anti-slip structures 102 are disposed on the surface of the footplate body 101, and the surface of any anti-slip structure 102 is provided with multiple protrusions, wherein a gap is provided between two adjacent protrusions.

[0045] A pressure sensor is installed in any gap, or between two adjacent anti-slip structures 102 on the same side of the pedal body 101, wherein the pressure sensor is used to detect the stepping pressure applied to the pedal body 101.

[0046] A vibration motor is mounted on the pedal body 101. The driver input of the vibration motor is connected to the output of the pressure sensor. The driver is configured to output a drive signal when the pedal pressure is less than a pressure threshold. The drive signal is used to drive the vibration motor to vibrate.

[0047] For example, the footplate body 101 refers to the main component used to form the support surface for stepping on the ladder. It bears the main stepping force when people step on it and provides an installation base for the anti-slip structure 102, pressure sensor and vibration motor. In terms of position and relationship, the footplate body 101 serves as the main skeleton of the anti-slip footplate, is set on the steel ladder, and provides an installation base for other components. The two ends of the footplate body 101 can be set as end connectors 103 to facilitate the connection of the ladder beams of the steel ladder.

[0048] In terms of form and material, the footplate body 101 can be made of stainless steel, carbon steel, or aluminum alloy. It can be a rod structure, a welded steel pipe, an extruded profile, or a one-piece cast part. In terms of size and proportion, its length direction is usually matched with the tread distance of the steel ladder, the outer diameter or cross-sectional width should meet the footing requirements of personnel, and the relevant structural dimensions should meet the requirements of the arrangement of connecting parts and devices.

[0049] For example, the anti-slip structure 102 refers to a plurality of anti-slip protrusions disposed on the surface of the pedal body 101. These protrusions provide surface anti-slip by forming a partial contact engagement with the sole of the shoe, and gaps are formed between adjacent protrusions for arranging detection elements. In terms of position and relationship, multiple anti-slip structures 102 (e.g., eight) are distributed on the tread surface of the pedal body 101. Each anti-slip structure 102 has multiple protrusions on its surface, and gaps are formed between adjacent protrusions, allowing pressure sensors to be installed within any gap, or between two adjacent anti-slip structures 102 on the same side of the pedal body 101.

[0050] In terms of shape and material, the anti-slip structure 102 can be a metal rib, raised dot, block texture, orderly pattern, protrusion, or other protrusion that can create an anti-slip effect. These protrusions can be arranged side by side or alternately. The material can be the same as the pedal body 101, or it can be a wear-resistant alloy or stainless steel. In terms of size and proportion, the height of the protrusion is a partial protrusion relative to the outer surface of the pedal body 101. The spacing between the protrusions should ensure sufficient installation space to accommodate the pressure sensor, while maintaining a continuous foot contact surface without significant weakening. For example, if the pedal body 101 is a cylindrical stainless steel pedal with a diameter of 20mm and a length of 682mm, the anti-slip structure 102 can be a rectangular steel anti-slip structure 102 of the same material, with dimensions of 602mm in length, 8mm in width, and 2mm in thickness, and can be integrated with the pedal body 101 through secondary welding.

[0051] For example, a pressure sensor is a sensing element used to detect the stepping pressure applied to the footplate body 101. It can convert the stepping load into an electrical signal and output it to the driver to determine the stepping state. In terms of position and relationship, the pressure sensor is embedded in any gap or between two adjacent anti-slip structures 102 on the same side of the footplate body 101, and is connected to the driver through wires, plug terminals or flexible electrical connectors. The pressure-sensing surface of the sensor corresponds to the climbing stepping direction of the climber during the climbing operation.

[0052] In terms of form and material, pressure sensors can be thin-film, piezoresistive, piezoelectric, or miniature load cells. Their housings can be encapsulated with resin, metal, or weather-resistant polymer. The sensing area can be sheet-like, strip-like, or dot-like, or can be replaced with strain gauge sensors, piezoelectric film sensors, or miniature pressure switches. In terms of size and proportion, their external dimensions and gap dimensions should be compatible, and the thickness should be slightly less than the height difference of the anti-slip protrusions to allow for embedding or fitting without significantly altering the flatness of the surface underfoot.

[0053] For example, a vibration motor is an actuator that outputs mechanical vibration after receiving a drive signal. It is used to provide tactile cues to climbing workers when the collected stepping pressure drops abnormally, prompting them to adjust their stepping status in a timely manner. In terms of position and relationship, the vibration motor is installed on the footplate body 101 and forms a linkage control relationship with the output end of the pressure sensor via a driver. The driver is configured to output a drive signal when the stepping pressure is less than a pressure threshold.

[0054] In terms of form and material, the vibration motor can be an eccentric rotor micro motor, a linear vibration motor, or a rotor small motor. The housing can be a metal housing, a plastic housing, or a sealed composite housing, and can also be replaced with a piezoelectric vibrator, a linear actuator, or other tactile feedback devices. In terms of size and proportion, its shape is preferably a low-height, small-diameter micro device to fit the installation space and avoid significantly affecting the structural strength of the pedal.

[0055] Based on the above analysis, it can be seen that the anti-slip step provided in this application embodiment, during the climbing process, the step body 101 is set on the steel ladder as the main support. When the climbing worker climbs, the foot / shoe sole first comes into contact with multiple anti-slip structures 102 on the surface of the step body 101. The anti-slip structure 102 forms a local engagement and friction enhancement with the shoe sole through the protruding structure, thereby maintaining the basic anti-slip characteristics of the step surface.

[0056] Meanwhile, pressure sensors located in the gaps between adjacent protruding structures or between two adjacent anti-slip structures 102 on the same side generate corresponding electrical signal changes under the action of stepping load / stepping pressure, and output the electrical signal to the driver in real time. The driver performs threshold judgment on the collected stepping pressure. When the detected value is lower than the preset pressure threshold, the driver outputs a drive signal to start the vibration motor, and then transmits a perceptible vibration prompt to the climbing operator through the footplate body 101. Because the pressure sensors are positioned in the gaps of the anti-slip structures 102 or between two adjacent anti-slip structures 102 on the same side, the detection area corresponds to the actual force-bearing area, enabling timely vibration feedback when the pressure is insufficient, the force shifts, or the force is unstable. Simultaneously, the anti-slip structures 102 are located on the surface of the footplate body 101 and consist of multiple protruding structures, allowing the foot surface to form a stable mechanical anti-slip contact without relying on easily aging additional layers. Combined with embedded pressure detection and vibration alerts, this anti-slip footplate achieves a synergistic effect of passive anti-slip and active alerts while maintaining a simple structure, making it suitable for long-term use in climbing scenarios such as factories, towers, equipment platforms, and bridge maintenance access routes. It should be understood that the above example is for demonstration purposes only and is not limiting.

[0057] In one possible implementation, multiple anti-slip structures 102 are evenly distributed around the circumference of the pedal body 101; the anti-slip structures 102 are set on the surface of the pedal body 101 by welding or integral molding process.

[0058] For example, the anti-slip structure 102 can be arranged coaxially with the footplate body 101 and distributed along the outer circumference of the footplate body 101 in the area that can be stepped on and contacted, so that the climber can make effective contact with at least part of the anti-slip structure 102 regardless of which side of the footplate body 101 the climber lands on during the climbing process.

[0059] The anti-slip structure 102 can take the form of metal protrusions, ridges, block-shaped protrusions, or short ribs (rib strips) extending circumferentially. The specific number can be matched according to the outer diameter of the pedal body 101, the width of the tread surface, and the target anti-slip level. Its material can be the same as or compatible with the pedal body 101, such as carbon steel, stainless steel, alloy steel, etc., or, provided that welding or forming requirements are met, wear-resistant metal materials with higher hardness can be used.

[0060] In terms of size and proportion, the height of the anti-slip structure 102 can usually be set to a range of several millimeters to more than ten millimeters. The width or radial protrusion can be adjusted according to the outer diameter of the pedal and the contact characteristics of the human foot. The circumferential spacing between adjacent anti-slip structures 102 should be kept basically consistent to ensure balanced circumferential friction performance and avoid the formation of obvious gap areas.

[0061] When welding is used, the effective connection length and weld leg size of the weld area should meet the load-bearing requirements to ensure that the anti-slip structure 102 is not easy to loosen under repeated stepping, vibration and environmental corrosion conditions. When an integral molding process is used, no additional splicing interface is formed between the anti-slip structure 102 and the footplate body 101, which can further reduce the possibility of interface fatigue failure.

[0062] In one example, the arrangement of the anti-slip structure 102 can also be adapted to the structure of the pedal body 101. For example, it can be evenly distributed along the circumference on a round tube pedal or formed in a ring array around the accessible periphery on a flat tube pedal, both of which can achieve the same circumferentially balanced anti-slip effect.

[0063] In actual use, when a climbing worker steps on the footboard body 101, the sole of the foot will make multi-point contact with multiple anti-slip structures 102. The friction of the stepping surface is borne by each anti-slip structure 102, so that the anti-slip footboard can provide relatively stable support and anti-slip capability at any stepping angle.

[0064] At the same time, since the anti-slip structure 102 is firmly set on the surface of the pedal body 101 through welding or integral molding process, its connection is not easy to peel off or loosen in long-term load, impact, moisture or corrosive environment. Therefore, it can maintain the stability of anti-slip performance for a long time.

[0065] Therefore, the anti-slip footrail in this embodiment of the application, by utilizing the circumferentially distributed anti-slip structure 102, enables the climbing operator to form effective contact with at least a portion of the anti-slip structure 102 regardless of which side of the footboard body 101 the climbing operator's foot lands on during the climbing process, thereby reducing the probability of local slippage. Furthermore, the welding or integral molding method can enhance the structural reliability between the anti-slip structure 102 and the footboard body 101, thus enabling the anti-slip footrail to maintain good durability and safety of use under complex working conditions.

[0066] It should be understood that the above examples are for demonstration purposes only and are not limiting. Without departing from the technical concept of this application, the specific quantity, shape, material and welding or forming method of the anti-slip structure 102 can be adjusted according to the actual application scenario.

[0067] In one possible implementation, the protrusions of the anti-slip structure 102 are rhomboid in shape.

[0068] For example, the footboard body 101 has multiple anti-slip structures 102 arranged along its outer peripheral surface. Each anti-slip structure 102 consists of multiple rhomboid protrusions, which are arranged at predetermined intervals to ensure that the foot can achieve multi-point contact and force dispersion due to the rhomboid edges, regardless of the direction from which the foot contacts the footboard surface during climbing. Because the edges of the rhomboid protrusions are directional, the sole of the shoe will form local embedded contact with them during the compression process, thereby increasing the coefficient of friction and reducing the risk of slipping in the presence of rainwater, mud, or oil film.

[0069] like Figure 2 As shown, if the foot pedal body 101 is a rectangular foot pedal made of stainless steel, its cross-sectional side length can be set to 20mm and its length can be set to 682mm. In this case, the lengths of the two diagonals of the rhomboid protrusion structure can be set to 32mm and 8mm respectively, and the thickness is 2mm. A non-slip structure 102 is composed of 15-20 of these rhomboid protrusion structures. Two non-slip structures 102 can be set on each surface of the rectangular foot pedal in parallel.

[0070] It should be noted that, for ease of installation, the two ends of the rectangular foot pedal can be processed later to form a circular cross-section with a diameter of 20mm.

[0071] At the same time, the gap between adjacent rhomboid protrusions can be coordinated with the installation position of the pressure sensor to prevent the pressure sensor from being directly exposed to the main force surface and subjected to abnormal impact.

[0072] Based on the above structure, when the anti-slip footboard in this embodiment is put into use, after the climbing worker steps on the footboard surface, the sole of the shoe first contacts the multiple edges and sharp corners of the diamond-shaped protrusion structure. The anti-slip structure 102 on the footboard body 101 provides basic anti-slip capability through multi-point interlocking. When the stepping pressure is within the normal range, the pressure sensor outputs a corresponding signal, and the vibration motor remains in a non-drive state or vibrates insignificantly. However, when the stepping pressure is less than the preset pressure threshold, the pressure sensor transmits the abnormal pressure detection value to the driver, and the driver outputs a drive signal to make the vibration motor vibrate, so as to remind the climbing worker to adjust the foot posture in time or step on the footboard again.

[0073] Therefore, the diamond-shaped protrusion structure not only enhances the mechanical interlocking ability of the treadle surface, but also, when combined with pressure detection and a vibration motor, can balance passive anti-slip and active slip warning in complex environments, thereby improving the safety and stability of the steel ladder during long-term use. It should be understood that the above examples are merely illustrative and not limiting; the specific shape, size, material, and arrangement of the diamond-shaped protrusion structure can be adjusted accordingly without departing from the concept of this application.

[0074] In one possible implementation, the foot pedal body 101 is cylindrical or rectangular, and the foot pedal body 101 has a hollow structure.

[0075] For example, the footboard body 101, as the main structure of the entire anti-slip footboard, needs to be fixedly fitted with the steel ladder. The vibration motor and related control components that can be pre-arranged in its cavity are in standby mode, and the multiple anti-slip structures 102 on the external step surface provide basic friction resistance.

[0076] When a climber's foot steps on the footboard body 101 / anti-slip structure 102, the stepping force / pressure applied by the foot is transmitted to the footboard body 101 through the anti-slip structure 102 on the outer surface. The hollow structure of the footboard body 101 ensures overall strength while allowing the body to produce a limited elastic response when subjected to force. The pressure sensor can accurately detect the actual stepping pressure between corresponding gaps or between two adjacent anti-slip structures 102 on the same side and transmit the signal to the driver input of the vibration motor.

[0077] When the stepping pressure is detected to be less than the preset pressure threshold, the driver outputs a drive signal to start the vibration motor installed in the cavity and generate vibration. This vibration is then transmitted to the stepper body 101 to remind the climber to adjust their standing posture or reapply pressure.

[0078] Based on the above working process, it can be seen that the hollow cylindrical or rectangular footplate body 101 can provide internal layout space without significantly increasing the external size, which facilitates the integrated integration of pressure detection and vibration indication. On the other hand, it can also reduce the structural weight, optimize material utilization, and improve maintenance convenience and system integration during long-term use, so that the anti-slip footplate has both load-bearing stability, functional expandability and environmental adaptability.

[0079] In one possible implementation, the anti-slip pedal also includes:

[0080] The motor mounting slot is located inside the footplate body 101 and is used to install the vibration motor.

[0081] For example, the motor mounting slot can adopt a circular cup-shaped slot, a rectangular slot, or an arc-shaped groove. For instance, if the housing of the vibration motor is a cylindrical housing, the motor mounting slot can be set as a circular cup-shaped slot that matches its shape to achieve a better covering and limiting effect. If the vibration motor adopts a flat structure, the motor mounting slot can be set as a rectangular groove to facilitate lateral insertion and axial fixation.

[0082] The wall of the motor mounting slot can be integrally machined from the metal base of the footplate body 101, or it can be welded from independent metal sheets / metal brackets, or a high-strength engineering plastic base can be used as an embedded mounting unit. Through the above structure, the motor mounting slot can provide circumferential limiting, axial positioning, and a certain degree of vibration damping support for the vibratory motor, ensuring a relatively stable positional relationship during startup and vibration, and preventing loosening, displacement, or detachment due to long-term vibration.

[0083] Regarding dimensions and fit, the inner dimensions of the motor mounting slot are typically slightly larger than the outer dimensions of the vibratory motor to allow for necessary assembly clearances, facilitating installation, disassembly, and maintenance. Alternatively, a moderate interference fit can be formed to enhance clamping stability when improved fixation reliability is required. The depth of the motor mounting slot should accommodate the overall vibratory motor, ensuring that the motor body is not exposed above the surface of the footplate body 101 after installation, while also preserving space for the drive end and wires. If the outer diameter of the vibratory motor is 20mm to 30mm, the corresponding inner diameter of the motor mounting slot can be set to 20.5mm to 31mm. The slot depth can be determined based on the motor thickness and the space required for the connection terminals, balancing installation convenience and fixation strength.

[0084] The motor mounting slot and the vibration motor can be assembled using screws, clips, or adhesive seals. Screw connections facilitate subsequent maintenance, clip connections facilitate quick assembly, and adhesive seals improve sealing and protection performance.

[0085] Based on the above analysis, it can be seen that the motor mounting slot can not only reliably support the vibration motor, but also achieve internal integrated arrangement without increasing the external protruding structure of the pedal, thereby improving the overall protection level and structural integrity of the pedal.

[0086] During actual operation, the vibratory motor is positioned in the predetermined location within the motor mounting slot. The pressure sensor continuously detects the stepping pressure on the surface of the footplate body 101 and transmits the detection signal to the driver input. When the stepping pressure is lower than the pressure threshold, the driver outputs a drive signal, causing the vibratory motor to vibrate. The vibration is transmitted through the motor mounting slot to the footplate body 101 and further acts on the climber's feet, thus providing clear feedback.

[0087] Because the vibration motor is stably limited by the motor mounting slot and supported by the internal structure of the pedal body 101, its vibration output is more stable, the energy transmission path is shorter, and it is not easily affected by external collisions or environmental erosion. Therefore, while maintaining the normal operation of the anti-slip structure 102 on the pedal surface, it can improve the reliability of the warning under abnormal stepping conditions and the service life of the whole machine.

[0088] In one possible implementation, the anti-slip pedal further includes a heating wire disposed inside the pedal body 101, wherein when the heating wire is heated, the heat generated by the heating wire is transferred to the pedal body 101.

[0089] For example, the heating wire is a heating element that generates Joule heat when energized. It can be a low-voltage DC heating wire. Its purpose is to actively heat the pedal body 101 to increase the surface temperature of the pedal and reduce the risk of icing, snow accumulation, and slippage in low-temperature environments. The heating wire is preferably arranged in the internal cavity of the pedal body 101 and can extend along the length of the pedal body 101, or be arranged around the circumference of the pedal body 101. Alternatively, it can be laid only in localized areas of the pedal body 101 that are frequently stepped on to form a localized heating zone.

[0090] In one example, to avoid short circuits or localized overheating caused by direct contact between the heating wire and the inner metal wall, the heating wire can be spaced apart from the inner wall of the footplate body 101 through an insulating support, heat-insulating pad, or heat-resistant clip. The heating wire can be made of nickel-chromium alloy wire, iron-chromium-aluminum alloy wire, heating cable, or flexible heating element.

[0091] In material selection, the thermal conductivity of the pedal body 101, the humidity of the working environment, and the power supply conditions should be considered to meet the requirements of heat resistance, insulation, and corrosion resistance during long-term operation. The wire diameter and power density of the heating wire can be set according to the external dimensions of the pedal body 101, the target heating rate, and other parameters to ensure that the surface of the pedal body 101 can heat up in a short time and maintain uniform heat diffusion.

[0092] In actual operation, when an external power source supplies electricity to the heating wire, the heating wire generates heat due to the resistance effect. This heat is first transferred from the surface of the heating wire to the surrounding air, the insulating support, and the inner wall of the pedal body 101. Then, the heat is conducted from the metal wall of the pedal body 101 to its outer surface, causing the surface temperature of the pedal to gradually rise. This melts or softens the frost, thin ice, or snow adhering to the surface of the anti-slip structure 102 / pedal body 101, preventing a decrease in effective friction between the sole of the shoe and the pedal body 101 / anti-slip structure 102 due to ice and snow cover.

[0093] Because the heating wire is located inside the pedal body 101, the heat can be conducted in the pedal body 101 and diffused relatively evenly to the surface of the pedal, avoiding local icing residue or concentrated surface heat caused by excessive local temperature difference. When the pedal body 101 is used in conjunction with the aforementioned anti-slip structure 102, pressure sensor and vibration motor, the heating effect of the heating wire and the mechanical friction-enhancing effect of the anti-slip structure 102 work together to reduce the risk of static icing and dynamic slippage in low temperature, humid or icy environments, thereby improving the stability and applicability of the anti-slip pedal in complex working conditions.

[0094] Based on the above analysis, it can be seen that this structure can improve the environmental adaptability and safety of use without changing the external anti-slip shape of the pedal body 101. It should be understood that the above example is merely illustrative and not limiting.

[0095] In one possible implementation, the anti-slip pedal also includes:

[0096] An integrated control module is located inside the foot pedal body 101. The integrated control module includes at least a driver for the vibration motor and a power management module.

[0097] The power module is located at one end inside the footplate body 101. The control end of the power module is connected to the power management module, and the power supply end of the power module is connected to the vibration motor, the heating wire, and the integrated control module. The power management module is configured to send a power supply signal to the power module when the ambient temperature is lower than the temperature threshold, so that the power module supplies power to the heating wire.

[0098] For example, the integrated control module is a functional integrated unit disposed inside the pedal body 101, which is used to uniformly control and distribute energy for pressure detection, vibration output, and low-temperature heating power supply. The integrated control module is preferably arranged in the inner cavity area near one end of the pedal body 101, and is electrically connected to the pressure sensor, vibration motor, heating wire and power supply module through wires, thereby forming a complete control loop.

[0099] To accommodate the relatively narrow installation space inside the pedal body 101, the integrated control module can take the form of a PCB circuit board, a modular control box, or a potted electrical control component. The PCB circuit board can integrate a microcontroller, comparator, power management chip, and drive circuit. The modular control box can adopt a split plug-in structure for easy maintenance. The potted electrical control component can be sealed and protected with epoxy resin or silicone.

[0100] The thickness of the integrated control module should generally be controlled within the allowable range of the inner diameter or side length of the pedal body 101, so as to ensure a thin layout without weakening the load-bearing capacity of the pedal, and to maintain sufficient assembly clearance with other functional components to avoid interference under vibration or thermal expansion and contraction conditions.

[0101] For example, the power module is a power supply unit located at one end inside the pedal body 101. Its function is to provide operating power to the vibration motor, heating wire, and integrated control module, and to provide power on demand under the control of the power management module. The control terminal of the power module is connected to the power management module to receive start / stop and power distribution commands, while its power supply terminals are connected to the vibration motor, heating wire, and integrated control module to provide corresponding voltage and current to each functional unit. Structurally, the power module can be a battery pack, a lithium battery module, or an external power conversion module. Battery packs are suitable for independent power supply scenarios, lithium battery modules are suitable for high energy density requirements, and external power conversion modules are suitable for use with an external power bus. Its housing can be made of metal, flame-retardant plastic, or encapsulated with sealant to meet the requirements of impact resistance, moisture resistance, and corrosion resistance.

[0102] The capacity and dimensions of the power module are typically matched based on the length of the pedal, the power of the vibrating motor, the heating power of the heating wire, and the expected runtime. Ideally, when installed at the end, it should not affect the structural strength of the pedal body 101, nor significantly increase the outer diameter or occupy too much internal space.

[0103] During actual operation, when the ambient temperature drops below the temperature threshold, the power management module in the integrated control module will output the corresponding power supply control signal according to the temperature detection result, so that the power module connects the power supply circuit to the heating wire. After the heating wire is powered, it generates heat and transfers the heat outward through the inside of the foot pedal body 101, thereby raising the temperature of the foot pedal surface and reducing the adverse effects of frost, ice or surface moisture condensation on the anti-slip performance in low temperature environments.

[0104] Meanwhile, the integrated control module can also drive the vibration motor to generate a vibration alert when the pressure sensor detects abnormally low stepping pressure, allowing climbing personnel to promptly detect insufficient force on the footplates or unstable stepping positions. Therefore, the footplate body 101 not only provides basic friction protection through the surface anti-slip structure 102, but also achieves active protection through low-temperature automatic heating and abnormal vibration alerts, thereby improving the safety and continuous stability of the steel ladder in cold, humid, and complex working conditions.

[0105] It should be understood that the above examples are merely illustrative and not limiting. Without departing from the technical concept of this application, the integrated control module, power module and their control methods can be replaced or changed in an equivalent manner.

[0106] In one possible implementation, the anti-slip foot pedal further includes: a temperature sensor, which is installed inside the foot pedal body 101, with its output terminal connected to a power management module and its power supply terminal connected to a power module. The temperature sensor is used to detect the ambient temperature; the power module is also used to supply power to the temperature sensor.

[0107] For example, the power module first provides a stable operating voltage to the temperature sensor. The temperature sensor continuously senses the ambient temperature around the pedal and outputs a corresponding signal to the power management module. After judging the signal, the power management module compares it with a preset temperature threshold. When the ambient temperature is detected to be lower than the threshold, it controls the power module to supply power to the heating wire, so that the heating wire heats up and transfers heat to the surface and interior of the pedal body 101, thereby reducing the adverse effects of ice, frost or low-temperature slipperiness on the pedal surface on safety. When the ambient temperature returns to the normal range, the power management module can release the power supply control to the heating wire to reduce ineffective energy consumption.

[0108] Since the temperature sensor is located inside the pedal body 101 and is continuously powered by the power module, it can provide ambient temperature information in real time without affecting the anti-slip structure 102 on the surface of the pedal and the pressure detection function. This gives the heating control logic a clear temperature basis, thereby enabling proactive adaptation to low-temperature conditions. When used in conjunction with the pressure detection and vibration alert functions, it further improves the stability, durability, and safety of the anti-slip pedal in rain, snow, ice, and scenarios with large temperature differences.

[0109] In one possible implementation, the anti-slip foot pedal further includes a mounting notch located at one end of the foot pedal body 101, which provides operating space for mounting a heating wire, an integrated control module, a power supply module, and a temperature sensor.

[0110] For example, the mounting notch is an open structure or access structure formed at the end of the pedal body 101, which provides an assembly and maintenance channel when arranging heating wires, integrated control modules, power modules and temperature sensors inside the pedal body 101.

[0111] The main function of this mounting notch is to facilitate the insertion or removal of relevant functional components along the axial direction of the pedal body 101, and to provide sufficient operating space for wire connection, end fixing, module replacement, and subsequent maintenance, thereby reducing the maintenance difficulty after the internal components are installed and avoiding assembly restrictions caused by excessive end sealing. The mounting notch is located at one end of the pedal body 101, usually formed at the end away from the area of ​​the pedal body that is being stepped on, for example, at one of the two end connectors 103, and can be used with end caps, sealing parts, threaded plugs, snap-on covers, or hinged access doors to achieve closed protection during normal use, open to form a passage during maintenance, and can also serve as an entry point for external power cables.

[0112] Structurally, the mounting notch connects to the hollow cavity inside the pedal body 101, allowing the heating wire, integrated control module, power module, and temperature sensor to enter their predetermined installation positions through the notch and be fixed by screws, snap-fits, plug-ins, or positioning slots. The mounting notch can be rectangular, arc-shaped, or laterally grooved, or it can be formed by punching, machining, or pre-reserving openings during casting or extrusion molding, depending on the cross-sectional shape of the pedal body 101. Corresponding closures can be metal end caps, engineering plastic end caps, or rubber sealing caps, balancing strength, insulation, and protection.

[0113] The size of the mounting notch should at least allow the largest component of the device to be installed to pass through smoothly and for tool insertion. At the same time, it should retain the necessary edge strength and connection allowance. Therefore, its opening width, opening depth or opening area is usually matched with the heating wire mounting section, the integrated control module housing size and the power module package size, and appropriate assembly clearance is reserved to avoid interference.

[0114] In one example, the mounting notch can be defined as a maintenance window reserved at the end of the pedal body 101. After it is connected to the hollow cavity inside the pedal body 101, it can form an assembly path for internal components to enter and exit. It is especially suitable for laying the heating wire along the internal channel to the heated area before the pedal body 101 is assembled or during maintenance disassembly, placing the integrated control module and power module into the end cavity and completing the wiring, and placing the temperature sensor in a position that can accurately reflect the ambient temperature.

[0115] The transition edge between the mounting notch and the internal mounting cavity can be chamfered, rounded, or reinforced to reduce the risk of wear on the cable insulation and device housing during assembly. At the same time, the notch can be fitted with sealing rings, pressure strips, or waterproof adhesive layers to improve dustproof, waterproof, and corrosion-resistant capabilities after sealing.

[0116] Based on the above analysis, it can be seen that this mounting notch provides reliable installation and maintenance space for the heating wire, integrated control module, power supply module, and temperature sensor without significantly increasing the overall complexity of the pedal, thereby improving the assemblability, maintainability, and long-term stability of the internal functional components. It should be understood that the above example is merely illustrative and not limiting.

[0117] Figure 3 The structural diagram of the steel ladder provided in this application is as follows: Figure 3 As shown, the steel ladder 30 provided in this embodiment includes:

[0118] The ladder beam 301 is provided with a plurality of anti-slip treads 302 as described in the above embodiments of this application.

[0119] The cage hoop 303 is fixed on the ladder beam 301, and a cage upright 304 is provided between two adjacent cage hoops 303.

[0120] In this embodiment, the multiple anti-slip steps 302 are spaced apart along the height of the steel ladder, ensuring that the foot pressure points have basic anti-slip capabilities during the climbing process. Furthermore, since each step uses the aforementioned anti-slip step 302 structure, the multiple anti-slip structures on the surface of the step body improve the frictional stability when the shoe sole contacts the surface. Pressure sensors can detect the stepping status and drive a vibration motor to vibrate and alert when the stepping pressure is less than a pressure threshold. Therefore, the steel ladder not only has good long-term anti-slip durability but also an active warning function for abnormal stepping, thereby reducing the risk of slipping in rain, snow, damp conditions, and high-altitude working environments. Thus, it improves the safety of using the steel ladder and reduces the frequency of maintenance and replacement.

[0121] Finally, it should be noted that other embodiments of the invention will readily occur to those skilled in the art upon consideration of the specification and practice of the invention disclosed herein. This invention is intended to cover any variations, uses, or adaptations of the invention that follow the general principles of the invention and include common knowledge or customary techniques in the art not disclosed herein, and is not limited to the precise structures described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope.

Claims

1. A non-slip footrest, characterized in that, include: The body of the walking stick; The anti-slip structure is provided in multiple ways. The multiple anti-slip structures are disposed on the surface of the pedal body. Each anti-slip structure has multiple protrusions on its surface, and a gap is provided between two adjacent protrusions. A pressure sensor is installed in any of the gaps, or between two adjacent anti-slip structures on the same side of the pedal body, wherein the pressure sensor is used to detect the stepping pressure applied to the pedal body. A vibration motor is mounted on the pedal body. The driver input of the vibration motor is connected to the output of the pressure sensor. The driver is configured to output a drive signal when the pedal pressure is less than a pressure threshold. The drive signal is used to drive the vibration motor to vibrate.

2. The anti-slip footrest according to claim 1, characterized in that, Multiple anti-slip structures are evenly distributed around the circumference of the pedal body; the anti-slip structures are set on the surface of the pedal body by welding or integral molding process.

3. The anti-slip footrest according to claim 1, characterized in that, The protrusions of the anti-slip structure are rhomboid in shape.

4. The anti-slip pedal according to any one of claims 1-3, characterized in that, The foot pedal body is cylindrical or rectangular, and the foot pedal body has a hollow structure.

5. The anti-slip footrest according to claim 4, characterized in that, The anti-slip footrest also includes: A motor mounting slot is provided inside the foot pedal body, and the motor mounting slot is used to install the vibration motor.

6. The anti-slip footrest according to claim 4, characterized in that, The anti-slip footrest also includes: A heating wire is disposed inside the foot pedal body, wherein when the heating wire is heated, the heat generated by the heating wire is transferred to the foot pedal body.

7. The anti-slip footrest according to claim 6, characterized in that, The anti-slip footrest also includes: An integrated control module is disposed inside the foot pedal body, and the integrated control module includes at least a driver for the vibration motor and a power management module. A power module is disposed at one end inside the foot pedal body. The control terminal of the power module is connected to the power management module, and the power supply terminal of the power module is connected to the vibration motor, the heating wire, and the integrated control module. The power management module is configured to send a power supply signal to the power module when the ambient temperature is lower than a temperature threshold, so that the power module supplies power to the heating wire.

8. The anti-slip footrest according to claim 7, characterized in that, The anti-slip footrest also includes: A temperature sensor is installed inside the foot pedal body. The output terminal of the temperature sensor is connected to the power management module, and the power supply terminal of the temperature sensor is connected to the power module. The temperature sensor is used to detect the ambient temperature. The power module is also used to supply power to the temperature sensor.

9. The anti-slip footrest according to claim 8, characterized in that, The anti-slip footrest also includes: The mounting notch is located at one end of the foot pedal body and provides operating space for mounting the heating wire, the integrated control module, the power supply module, and the temperature sensor.

10. A steel ladder, characterized in that, The steel ladder includes: A ladder beam, wherein a plurality of anti-slip treads as described in claims 1-9 are provided on the ladder beam; The cage hoops are fixed to the ladder beams, and a cage upright is provided between two adjacent cage hoops.

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