A pedal device

Abstract

The embodiment of the utility model provides a kind of pedal device, it is related to civil engineering technical field.The utility model provides a kind of pedal device, by setting up ladder frame body and setting up handrail and protection piece on ladder frame body, it is composed of a pedal device with enough strength and stability, it can bear the weight of staff and possibly placed tool, equipment etc., provides stable, reliable crossing passage for construction personnel;On the one hand, it is convenient for staff to maintain, overhaul etc. operation of central median strip, reduces the risk brought by direct treading bridge deck, also reduces the risk of stumbling and falling and object falling, reduces the security risk in construction process;On the other hand, it enables construction personnel to more conveniently operate in different areas of bridge deck, reduces the time wasted due to crossing central median strip, and pedal device installation and dismounting process should be simple and fast, and not damage bridge deck structure.

Description

Technical Field

[0001] The utility model relates to the technical field of civil engineering, and particularly relates to a pedal device. Background Art

[0002] In bridge construction, the construction of the bridge deck system is one of the important links. During the construction of the bridge deck system, construction workers often need to cross the central isolation belt for operations. The temporary passage method for construction workers is generally to simply lay wooden boards or iron plates on both sides of the central isolation belt. There are also some methods to build temporary simple bridges or passages.

[0003] However, the above-mentioned temporary passage methods have the following disadvantages: 1. Simply laying wooden boards or iron plates, these materials often lack sufficient strength and stability, are prone to deformation or damage, and pose safety hazards to construction workers. In addition, due to the lack of effective protection measures, construction workers are prone to slip when walking, resulting in accidents. 2. Building temporary simple bridges or passages, but such structures are usually complex to build, time-consuming and laborious, and have a high cost. Content of the Utility Model

[0004] The purpose of the utility model includes providing a pedal device, which can provide a stable and reliable crossing passage for construction workers and reduce the risk of construction workers falling and objects dropping.

[0005] The embodiments of the utility model can be implemented as follows:

[0006] In a first aspect, the utility model provides a pedal device, including:

[0007] A ladder frame body, the ladder frame body includes two ladder frames and a straight ladder frame. The two ladder frames are respectively arranged on opposite sides of the straight ladder frame. The two ladder frames are arranged at an angle with the bottom side of the straight ladder frame. A plurality of pedals are provided on the two ladder frames, and a straight pedal is provided on the straight ladder frame;

[0008] Railings, the railings are arranged on both the left and right sides of the ladder frame body, and the railings are arranged on the top side of the straight ladder frame;

[0009] A protective member, the protective member is arranged on the railings.

[0010] In an optional embodiment, the straight ladder frame includes four cross beams fixed in a rectangle, and the straight pedal is fixed on the four cross beams;

[0011] The ladder frame includes two side beams arranged in parallel. Two side beams are fixed on the cross beams at opposite ends of the straight ladder frame; a plurality of pedals are horizontally arranged and fixed inside the two side beams, and the plurality of pedals are arranged in sequence along the extending direction of the ladder frame.

[0012] In an optional embodiment, the railing includes a plurality of posts and handrails, with the plurality of posts spaced apart on the crossbeams and side beams on the left and right sides of the ladder frame body;

[0013] The columns are vertically arranged, and one end of each column is fixed to the ladder frame body, while the other end is fixed to the handrail.

[0014] The height of the column is not less than 1.2m, and the spacing between multiple columns is not greater than 0.2m.

[0015] In an optional embodiment, the protective component includes at least a protective net or a protective plate;

[0016] The protective component is fixedly connected to the railing and the ladder frame body.

[0017] In an optional embodiment, all of the plurality of pedals and the straight pedal are arranged horizontally;

[0018] The multiple pedals and the straight pedal are provided with anti-slip parts, and the anti-slip parts include at least a plurality of parallel protrusions or a plurality of intersecting protrusions.

[0019] In an optional embodiment, the angle between the ladder frame and the bridge deck is less than or equal to 45°.

[0020] In an optional embodiment, the bottoms of the two ladder frames are fixed to the bridge deck by bolted connections.

[0021] In an optional embodiment, both of the ladder frames have a roller structure at their bottom, and the roller structure and the ladder frame are foldable.

[0022] In an optional embodiment, the ladder frame includes two parallel side beams, each side beam having a groove at its bottom. The grooves are located on the outer side of the side beams. One end of the roller structure is folded into the groove via a connecting shaft, and the other end of the roller structure is rotatably disposed relative to the outer side of the side beams.

[0023] In an optional embodiment, the roller structure includes a connecting part and a roller body, one end of the connecting part is rotatably connected to the connecting shaft, and the other end is rotatably connected to the roller body;

[0024] The roller body is provided with a locking structure for preventing the roller body from rolling.

[0025] The beneficial effects of the pedal device provided in this embodiment of the utility model include:

[0026] By installing a ladder frame, two ladder frames are connected to the bridge deck on both sides of the central divider, allowing the ladder frame to span the bridge deck and connect to the central divider. By installing railings and protective components on the ladder frame, comprehensive protection is provided for construction workers, effectively preventing falls of personnel and objects and reducing safety risks during construction. Therefore, this type of stepping device has sufficient strength and stability to withstand the weight of workers and any tools or equipment that may be placed on it, providing a stable and reliable crossing passage for construction workers. On the one hand, it facilitates maintenance and repair work on the central divider, reducing the risk of directly stepping on the bridge deck and lowering the risk of falls and falling objects, thus reducing safety risks during construction. On the other hand, it allows construction workers to work more conveniently in different areas of the bridge deck, reducing time wasted crossing the central divider. Furthermore, the installation and removal of the stepping device should be simple and quick without damaging the bridge deck structure. Attached Figure Description

[0027] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0028] Figure 1 This is a schematic diagram of the pedal device provided in this embodiment;

[0029] Figure 2 This is a cross-sectional view of the pedal device provided in this embodiment;

[0030] Figure 3 This is a top view of the pedal device provided in this embodiment;

[0031] Figure 4 This is a side view of the pedal device provided in this embodiment;

[0032] Figure 5 This is a first sectional view of the side beam and roller structure provided in this embodiment;

[0033] Figure 6 This is a second sectional view of the side beam and roller structure provided in this embodiment.

[0034] Icons: 010-Pedal device; 100-Ladder frame body; 110-Ladder frame; 111-Side beam; 1111-Groove; 120-Straight ladder frame; 121-Crossbeam; 130-Pedal; 140-Straight pedal; 150-Bolt connector; 200-Baluster; 210-Post; 220-Handrail; 300-Protective component; 400-Roller structure; 410-Connecting part; 420-Roller body. Detailed Implementation

[0035] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0036] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0037] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0038] In the description of this utility model, it should be noted that if terms such as "upper," "lower," "inner," or "outer" are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the utility model product is usually placed during use, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0039] Furthermore, the terms "first" and "second" are used only to distinguish descriptions and should not be interpreted as indicating or implying relative importance.

[0040] It should be noted that, where there is no conflict, the features in the embodiments of this utility model can be combined with each other.

[0041] The following describes in detail the overall structure, working principle, and technical effects of the pedal device 010 provided by this utility model through embodiments and in conjunction with the accompanying drawings.

[0042] Please refer toFigures 1 - 6 The tread plate device 010 provided by this utility model is used in various bridge construction scenarios and is applied to crossing the central divider.

[0043] Please refer to Figures 1 - 4 This utility model provides a pedal device 010, comprising:

[0044] The ladder frame body 100 includes two ladder frames 110 and a straight ladder frame 120. The two ladder frames 110 are respectively arranged on opposite sides of the straight ladder frame 120. The two ladder frames 110 and the bottom side of the straight ladder frame 120 are arranged at an angle. The two ladder frames 110 are provided with multiple steps 130, and the straight ladder frame 120 is provided with a straight step 140.

[0045] The railing 200 is provided on both the left and right sides of the ladder frame body 100, and the railing 200 is located on the top side of the straight ladder frame 120.

[0046] Protective component 300 is installed on railing 200.

[0047] Understandably, by setting up the ladder frame body 100, two ladder frames 110 are connected to the bridge deck on both sides of the central divider, allowing the ladder frame body 100 to span the bridge deck and connect to the central divider. By installing railings 200 and protective components 300 on the ladder frame body 100, comprehensive protection is provided for construction personnel, effectively preventing personnel and objects from falling and reducing safety risks during construction. Therefore, the stepping device 010 configured in this way has sufficient strength and stability to withstand the weight of workers and any tools or equipment that may be placed on it, providing a stable and reliable crossing passage for construction personnel. On the one hand, it facilitates the maintenance and repair of the central divider, reducing the risk of directly stepping on the bridge deck and the risk of falls and falling objects, thus reducing safety risks during construction. On the other hand, it allows construction personnel to work more conveniently in different areas of the bridge deck, reducing the time wasted crossing the central divider. At the same time, the installation and disassembly of the stepping device 010 should be simple and quick, without damaging the bridge deck structure.

[0048] In this embodiment, the ladder frame body 100 includes two ladder frames 110 and a straight ladder frame 120. The two ladder frames 110 are respectively disposed on opposite sides of the straight ladder frame 120. The two ladder frames 110 are disposed at an angle to the bottom side of the straight ladder frame 120. The two ladder frames 110 are provided with multiple steps 130, and the straight ladder frame 120 is provided with straight steps 140.

[0049] In this embodiment, please refer to Figures 1 - 2The angle A between the ladder frame 110 and the bridge deck is less than or equal to 45°. Optionally, 30° ≤ angle A ≤ 45°, for example, angle A can be 30°, 31°, 32°, 33°, 34°, 35°, 36°, 37°, 38°, 39°, 40°, 41°, 42°, 43°, 44° or 45°.

[0050] Understandably, when subjected to design loads and natural factors such as wind, the angle A between the ladder frame 110 and the bridge deck is less than or equal to 45°, which allows the tread device 010 to remain stable without significant swaying or displacement.

[0051] In this embodiment, the step device 010 includes a fixed ladder frame body 100, a railing 200, and a protective component 300. This can be understood as follows: construction workers measure the width and height of the central divider in advance, determine the dimensions and specifications of the step device 010, and then weld and fix the ladder frame body 100.

[0052] In this embodiment, please refer to Figures 1 - 4 The straight ladder frame 120 includes four rectangular fixed crossbeams 121, and the straight step 140 is a rectangular plate structure and fixed to the top of the four crossbeams 121; wherein, two ladder frames 110 are fixed to the two opposite crossbeams 121 of the straight ladder frame 120 respectively.

[0053] Furthermore, the ladder frame 110 includes two parallel side beams 111, and two side beams 111 are fixed on the crossbeams 121 at opposite ends of the straight ladder frame 120. The two side beams 111 are set at an angle A with the bridge deck. Multiple steps 130 are horizontally arranged and fixed to the inner side of the two side beams 111; the multiple steps 130 are arranged sequentially along the extension direction of the ladder frame 110.

[0054] Optionally, the crossbeam 121 and the side beam 111 are made of high-strength steel with a diameter of not less than 5cm and a wall thickness of not less than 3mm.

[0055] The length adjustment range of the crossbeam 121 can meet the requirements of different central divider widths, which can be understood as the length of the crossbeam 121 can be selected according to different central divider widths.

[0056] Among them, the crossbeam 121, side beam 111, tread 130 and straight tread 140 can be fixed by welding or other methods to ensure that the ladder frame body 100 is firm and not loose.

[0057] In this embodiment, the multiple pedals 130 and the straight pedal 140 are all horizontally arranged. It can be understood that the horizontal arrangement of the multiple pedals 130 and the straight pedal 140 can ensure the stability of construction personnel when walking on the pedal device 010 and reduce accidents such as slipping.

[0058] Among them, the pedal 130 and the straight pedal 140 must be kept level and flat during installation to avoid unevenness that would affect the walking and operation of construction personnel.

[0059] Optionally, pedals 130 and straight pedals 140 are constructed of high-strength aluminum alloy, which provides sufficient strength and corrosion resistance. The width is not less than 0.2m, the length is customized according to the width of the central divider, and the thickness is not less than 0.05m.

[0060] Among them, the load-bearing capacity of pedal 130 and straight pedal 140 is able to withstand a uniformly distributed load of at least 250kg without significant deformation or damage.

[0061] Furthermore, anti-slip portions are provided on the multiple pedals 130 and the straight pedal 140. Optionally, the anti-slip portions include at least a plurality of parallel protrusions or a plurality of intersecting protrusions.

[0062] The texture depth and spacing of the anti-slip part meet relevant standards, and the coefficient of friction is not less than 0.5.

[0063] Understandably, the pedals 130 and 140 ensure the stability of personnel walking on the pedals 130, while the anti-slip parts on the surfaces of the pedals 130 and 140 effectively prevent construction personnel from slipping, reduce accidents such as slipping, and ensure construction safety.

[0064] In this embodiment, please refer to Figure 1 The bottom of the side beams 111 of both ladder frames 110 are fixed to the bridge deck by bolted connectors 150. The bolted connectors 150 can be expansion bolts, and the quantity and specifications of the bolted connectors 150 should meet the design requirements.

[0065] Understandably, the connection between the bottom of the side beam 111 and the bridge deck is made by bolted connectors 150, which is firm and reliable and can prevent the pedal device 010 from shifting or tipping over during use.

[0066] In this embodiment, please refer to Figures 1 - 2 The railing 200 includes multiple posts 210 and handrails 220. The multiple posts 210 are spaced apart on the horizontal beams 121 and side beams 111 on the left and right sides of the ladder frame body 100. The posts 210 are vertically arranged, and one end of the multiple posts 210 is fixed to the ladder frame body 100, and the other end is fixed to the handrails 220.

[0067] The protective component 300 is installed on the railing 200, and surrounds the area where the handrail 220 and the post 210 are installed. The protective component 300 is fixedly connected to the multiple posts 210 and handrail 220 of the railing 200, as well as the crossbeam 121 and side beam 111 of the ladder frame body 100.

[0068] Optionally, the height of the column 210 shall not be less than 1.2m, the spacing between multiple columns 210 shall not be greater than 0.2m, and a high-strength steel structure shall be adopted, which is sturdy and rust-proof.

[0069] Optionally, the protective component 300 can be a protective net, protective plate, or other structure. The mesh size of the protective net is no larger than 0.1m, its strength meets safety standards, and it can effectively prevent people and objects from falling.

[0070] Understandably, the railings 200 installed on both sides of the main body of the treadle 130 and the protective netting fixed to the railings 200 provide comprehensive protection for construction workers, prevent them from falling, and reduce safety risks during the construction process.

[0071] In this embodiment, both ladder frames 110 have a roller structure 400 at their bottom, and the roller structure 400 and the ladder frame 110 are foldable.

[0072] Understandably, a foldable roller structure 400 is provided at the bottom of the ladder frame 110 to facilitate the movement of the tread device 010 without hindering the fixation of the side beam 111 to the bridge deck.

[0073] In this embodiment, please refer to Figures 5 - 6 The ladder frame 110 includes two parallel side beams 111. The bottom of the side beams 111 is provided with a groove 1111. The grooves 1111 are all located on the outer side of the side beams 111. One end of the roller structure 400 is folded into the groove 1111 through a connecting shaft. The other end of the roller structure 400 is rotatably set relative to the outer side of the side beams 111.

[0074] In this embodiment, the roller structure 400 includes a connecting part 410 and a roller body 420. One end of the connecting part 410 is rotatably connected to the connecting shaft, and the other end is rotatably connected to the roller body 420.

[0075] Understandably, when the side beam 111 is fixed to the bridge deck, the roller structure 400 can be folded outward along the outer edge of the side beam 111, thus not hindering the bottom of the side beam 111 from being fixed to the bridge deck. When it is necessary to move the pedal device 010, the roller structure 400 can be folded from the outer edge of the side beam 111 toward the bottom of the side beam 111, and the connecting part 410 abuts against the inner top wall of the groove 1111, so that the roller structure 400 can roll effectively.

[0076] Optionally, the roller body 420 is provided with a locking structure for locking the roller body 420 from rolling.

[0077] In this embodiment, the pedal device 010 also includes painting on its outer surface. The paint is applied evenly and the color is eye-catching, providing a good warning effect.

[0078] The manufacturing process and technology of the pedal device 010 provided in this embodiment of the utility model are as follows:

[0079] 1. Construction preparation.

[0080] (1) Measure the width and height of the central divider to determine the size and specifications of the tread 130 crossing device.

[0081] (2) Prepare the necessary materials and tools, such as high-strength aluminum alloy pedals 130, crossbeams 121, guardrails 200 and protective nets, etc.

[0082] 2. Ladder frame body 100 installation.

[0083] (1) Based on the measurement data, adjust the height of the side beam 111 and the length of the side beam 111 and the crossbeam 121 to adapt to the size of the central divider.

[0084] (2) Securely fix the bottom of the side beam 111 to the bridge deck with bolts 150 to ensure that the column 210 is vertical and stable.

[0085] 3. Installation of pedal 130.

[0086] Place the straight step 140 smoothly on the four crossbeams 121, and place the step 130 smoothly on the two side beams 111. Secure them using welding or other methods to ensure that the step 130 and the straight step 140 are firmly attached to the ladder frame body 100 without any looseness.

[0087] 4. Installation of protective structure.

[0088] (1) Install railings 200 on the left and right sides of the ladder frame body 100. The height and spacing of the railings 200 should comply with safety regulations.

[0089] (2) Fix the protective component 300 to the railing 200 to ensure that the protective component 300 is undamaged and has no gaps, so as to effectively prevent people and objects from falling.

[0090] 5. Inspection and acceptance.

[0091] (1) Conduct a comprehensive inspection of the installed pedal device 010, including the stability of the structure, the firmness of the pedal 130, and the integrity of the protective structure.

[0092] (2) Conduct load tests to verify the safety of the device when it bears the weight of construction personnel and tools.

[0093] 6. Put into use.

[0094] After inspection and acceptance, construction workers can cross the central divider via step 130 to carry out bridge deck construction.

[0095] The key points for assembling the pedal device 010 are as follows:

[0096] 1. Accurate measurement is required: The dimensions of the central divider must be accurately measured before construction to ensure that the dimensions of the pedal device 010 match and avoid installation deviations.

[0097] 2. Secure fixing: The connection between the fixed base at the bottom of the side beam 111 and the bridge deck must be firm and reliable. The quantity and specifications of the bolt connectors 150 should meet the design requirements to prevent the device from shifting or tipping over during use.

[0098] 3. The installation of pedal 130 should be level: When installing pedal 130 and straight pedal 140, they should be kept level and flat to avoid unevenness, which would affect the walking and operation of construction personnel.

[0099] 4. Tight protective structure: The guardrail 200 and protective component 300 must be installed tightly without gaps or holes, and the strength and quality of the protective component 300 should meet safety standards.

[0100] 5. Rigorous load testing: Load testing must be conducted according to the design load requirements, and the deformation and stability of the device must be observed to ensure its safety in actual use.

[0101] 6. Regular inspection and maintenance: During construction, the pedal device 010 should be inspected and maintained regularly. Any problems should be dealt with in a timely manner to ensure construction safety.

[0102] In summary, the stepping device 010 provided in this embodiment of the present invention, by setting a ladder frame body 100 and two ladder frames 110 overlapping on both sides of the bridge deck of the central divider, allows the ladder frame body 100 to span the bridge deck and connect to the central divider. By setting railings 200 and protective components 300 on the ladder frame body 100, comprehensive protection is provided for construction personnel, effectively preventing personnel and objects from falling and reducing safety risks during construction. Therefore, the stepping device 010 configured in this way has sufficient strength and stability to withstand the weight of workers and tools, equipment, etc., which may be placed there, providing a stable and reliable crossing passage for construction personnel. On the one hand, it facilitates the maintenance and repair of the central divider, reducing the risk of directly stepping on the bridge deck and also reducing the risk of slips and falls and falling objects, thus reducing safety risks during construction. On the other hand, it allows construction personnel to work more conveniently in different areas of the bridge deck, reducing the time wasted crossing the central divider. At the same time, the installation and disassembly of the stepping device 010 should be simple and quick, without damaging the bridge deck structure.

[0103] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model.

Claims

1. A pedal device, characterized in that, include: The ladder frame body includes two ladder frames and a straight ladder frame. The two ladder frames are respectively arranged on opposite sides of the straight ladder frame. The two ladder frames are arranged at an angle to the bottom side of the straight ladder frame. The two ladder frames are provided with multiple steps, and the straight ladder frame is provided with a straight step. The railings are provided on both the left and right sides of the ladder frame body, and the railings are located on the top side of the straight ladder frame; A protective component, which is installed on the railing; The bottoms of the two ladder frames are fixed to the bridge deck by bolted connections; Both of the ladder frames have roller structures at their bottoms, and the roller structures are foldable to the ladder frames. Each ladder frame includes two parallel side beams, and the bottom of each side beam has a groove. The grooves are located on the outer side of each side beam. One end of each roller structure is folded into the groove via a connecting shaft, and the other end of each roller structure is rotatable relative to the outer side of the side beam.

2. The pedal device according to claim 1, characterized in that, The straight ladder frame includes four rectangular fixed crossbeams, and the straight steps are fixed on the four crossbeams; The ladder frame includes two parallel side beams, and two side beams are fixed on the crossbeams at both ends of the straight ladder frame; a plurality of treads are horizontally arranged and fixed to the inner side of the two side beams, and the plurality of treads are arranged sequentially along the extension direction of the ladder frame.

3. The pedal device according to claim 2, characterized in that, The railing includes multiple posts and handrails, with the multiple posts spaced apart on the crossbeams and side beams on the left and right sides of the ladder frame body; The columns are vertically arranged, and one end of each column is fixed to the ladder frame body, while the other end is fixed to the handrail. The height of the column is not less than 1.2m, and the spacing between multiple columns is not greater than 0.2m.

4. The pedal device according to claim 1, characterized in that, The protective component includes at least a protective net or a protective plate; The protective component is fixedly connected to the railing and the ladder frame body.

5. The pedal device according to claim 1, characterized in that, All of the aforementioned pedals and the straight pedal are arranged horizontally; The multiple pedals and the straight pedal are provided with anti-slip parts, and the anti-slip parts include at least a plurality of parallel protrusions or a plurality of intersecting protrusions.

6. The pedal device according to claim 1, characterized in that, The angle between the ladder frame and the bridge deck is less than or equal to 45°.

7. The pedal device according to claim 1, characterized in that, The roller structure includes a connecting part and a roller body. One end of the connecting part is rotatably connected to the connecting shaft, and the other end is rotatably connected to the roller body. The roller body is provided with a locking structure for preventing the roller body from rolling.

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