Stair step device

Through the combined design of the steel mesh structure and connecting pipes and fasteners, the problems of low efficiency and poor safety of temporary stairs are solved, and higher load-bearing capacity and turnover performance are achieved, ensuring the safety and stability of stairs.

CN222207371UActive Publication Date: 2024-12-20CHINA CONSTR SCI & IND CORP LTD
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Patent Information

Application Number
CN202420051654.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-08
Publication Date
2024-12-20
Estimated Expiration
2034-01-08

AI Technical Summary

Technical Problem

The existing temporary staircase erection efficiency is low, the turnover performance is poor, and the pedals are prone to deformity, which poses safety risks.

Method used

The combination of steel mesh structure and connecting pipes and fasteners is adopted. The steel mesh structure includes frame steel bars and internal steel bars. The connecting pipes can be detached and connected to adapt to different sizes of stair frames and enhance structural stability through welding connections.

Benefits of technology

It improves the load-bearing capacity and safety of stair steps, simplifies the installation process, improves the turnover performance and erection efficiency of stairs, and ensures the firmness and adaptability of the structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of building construction, and discloses a stair step device which comprises a reinforcing mesh structure. The connecting pipes are connected with the reinforcing mesh structure, the number of the connecting pipes is at least two, and the at least two connecting pipes are arranged on the two opposite sides of the reinforcing mesh structure respectively; and the connecting fasteners are detachably connected with the connecting pipes and are suitable for being detachably connected with a stair framework, the number of the connecting fasteners is at least two, and the at least two connecting fasteners and the at least two connecting pipes are correspondingly arranged. According to the stair step device, the reinforcing mesh structure is used as the stair step, the bearing capacity of the stair step can be effectively improved, bending or deformation of the step is prevented, the safety of the stair step is improved, meanwhile, the connecting fasteners are detachably connected with the connecting pipes and the stair framework, and therefore the stair step device can be disassembled, assembled and used for many times, and the use cost is reduced. The turnover performance of the staircase is improved, the staircase is easy and convenient to install, and the building efficiency of the staircase is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a stair tread device. Background Art

[0002] During the construction of engineering projects, temporary staircases need to be set up at places with high and low drops, up and down construction passages, etc. to ensure the safe passage of construction workers. Existing temporary stairs are mainly set up with double steel pipes + formwork, and then dismantled piece by piece after use. The existing technology has low efficiency, long labor consumption, one-time setting and dismantling, poor turnover, and the formwork is used as a step. The formwork is easy to change and warp, which is easy to cause safety risks. Utility Model Content

[0003] In view of this, the utility model provides a stair step device to solve the problems of low stair erection efficiency, poor stair turnover performance and poor pedal safety performance.

[0004] The utility model provides a stair tread device, comprising: a steel mesh structure; a connecting pipe connected to the steel mesh structure, at least two connecting pipes are provided, and at least two connecting pipes are arranged on two opposite sides of the steel mesh structure; a connecting fastener, detachably connected to the connecting pipe and suitable for detachably connecting to a stair frame, at least two connecting fasteners are provided, and at least two connecting fasteners are arranged corresponding to at least two connecting pipes.

[0005] Beneficial effects: Using a steel mesh structure as a stair tread can effectively improve the bearing capacity of the stair treads, prevent the treads from bending or deformation, and improve the safety of the stair treads. At the same time, the connecting fasteners and the connecting pipes are detachably connected, and the connecting fasteners and the stair frame are detachably connected, so that the stair tread device can be disassembled and assembled for multiple uses, thereby improving the turnover performance of the stairs, making the installation of the stairs simple and convenient, and improving the efficiency of stair erection.

[0006] In an optional embodiment, the connecting fastener includes a base and an arc-shaped hoop, two arc-shaped hoops are provided, both of the two arc-shaped hoops are detachably connected to the base, and the arc-shaped hoop and the base enclose an installation space.

[0007] Beneficial effect: By arranging the arc-shaped hoop and the base to enclose and form an installation space, the connecting fastener can adapt to stair frames of different sizes, making the connecting fastener have better adaptability.

[0008] In an optional embodiment, the steel mesh structure includes frame steel bars and internal steel bars, the frame steel bars are circumferentially enclosed, the internal steel bars are connected and arranged inside the frame steel bars, and the connecting pipe is connected to the frame steel bars.

[0009] Beneficial effect: By providing frame steel bars and internal steel bars, the integrity of the steel mesh structure is enhanced, making the stair tread device stronger and better able to bear the weight and pressure from the user.

[0010] In an optional embodiment, the connecting pipe is provided with a through hole, and the frame steel bar is arranged through the through hole.

[0011] Beneficial effect: by opening a through hole on the connecting pipe, it is convenient to connect the frame reinforcement with the connecting pipe, and the connection between the connecting pipe and the frame reinforcement is more firmly established.

[0012] In an optional embodiment, the frame reinforcement includes two split reinforcements, the two split reinforcements are arranged opposite to each other, and the edges of the two split reinforcements corresponding to each other are overlapped and connected by welding.

[0013] In an optional embodiment, the split steel bars include a first steel bar, a second steel bar and a third steel bar, the first steel bar and the second steel bar are arranged at a relative interval, both ends of the third steel bar are simultaneously connected to one end of the first steel bar and the second steel bar, and the first steel bar and the second steel bar of the two split steel bars are overlapped.

[0014] In an optional embodiment, the length of the first steel bar is greater than that of the second steel bar, the first steel bar is arranged to pass through the through hole, and the first steel bar of one of the split steel bars is overlapped with the second steel bar of another split steel bar.

[0015] In an optional embodiment, the internal steel bar includes a plurality of reinforcing bars, and the plurality of reinforcing bars are sequentially and spaced apart from each other in the frame steel bar.

[0016] Beneficial effect: By arranging a plurality of reinforcements in the frame reinforcement, the steel mesh structure is further improved, the safety of the pedal is enhanced, and the user is prevented from stepping on empty space and falling.

[0017] In an optional embodiment, the internal steel bars further include reinforcing steel bars, both ends of which are respectively connected to the two split steel bars, and the reinforcing steel bars are simultaneously connected to a plurality of the reinforcement bars.

[0018] Beneficial effect: By arranging the connection between the reinforcing steel bars and the split steel bars and the reinforcement, the bearing capacity of the stair tread device is further enhanced, and the strength of the steel mesh structure is enhanced.

[0019] In an optional embodiment, the reinforcing steel bar is a long strip structure; and / or,

[0020] The reinforcing steel bars include a fourth steel bar and two fifth steel bars. The fourth steel bar is a long strip structure. The two fifth steel bars are respectively vertically connected to the two ends of the fourth steel bar. The two fifth steel bars are extended in opposite directions. The fourth steel bar is connected to several of the reinforcement bars at the same time, and the two fifth steel bars are respectively connected to the two split steel bars.

[0021] Beneficial effects: By setting reinforcing steel bars of different structures, the ability of the steel mesh structure to withstand forces in different directions is improved, the stability of the steel mesh structure is improved, the strength of the steel mesh structure is improved, and the possibility of pedal bending and deformation is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 This is a schematic structural diagram of a stair tread device according to an embodiment of the utility model;

[0024] Figure 2 It is a top view of the stair tread device according to an embodiment of the utility model.

[0025] Description of reference numerals:

[0026] 1. Steel mesh structure; 101. Frame steel bars; 1011. Split steel bars; 10111. First steel bars; 10112. Second steel bars; 10113. Third steel bars; 102. Internal steel bars; 1021. Reinforcement; 1022. Strengthening steel bars; 10221. Fourth steel bars; 10222. Fifth steel bars; 2. Connecting pipes; 3. Connecting fasteners; 301. Base; 302. Arc hoops; 4. Stair frame. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0028] Combine the following Figure 1 and Figure 2, describing an embodiment of the utility model.

[0029] According to the embodiments of the present utility model, Figure 1 and Figure 2 As shown, a stair tread device is provided, comprising: a steel mesh structure 1, a connecting pipe 2 and a connecting fastener 3. The connecting pipe 2 is connected to the steel mesh structure 1, and at least two connecting pipes 2 are provided, and at least two connecting pipes 2 are provided on opposite sides of the steel mesh structure 1. The connecting fastener 3 is detachably connected to the connecting pipe 2 and is suitable for being detachably connected to a stair frame 4, and at least two connecting fasteners 3 are provided, and at least two connecting fasteners 3 are provided corresponding to at least two connecting pipes 2.

[0030] Using the steel mesh structure 1 as the stair tread can effectively improve the bearing capacity of the stair treads, prevent the treads from bending or deformation, and improve the safety of the stair treads. At the same time, the connecting fastener 3 and the connecting pipe 2 are detachably connected, and the connecting fastener 3 and the stair frame 4 are detachably connected, so that the stair tread device can be disassembled and assembled for multiple uses, thereby improving the turnover performance of the stairs, making the installation of the stairs simple and convenient, and improving the efficiency of stair erection.

[0031] It is worth noting that the use of the steel mesh structure 1 can reduce the amount of material used, lower costs, and reduce material loss while ensuring the bearing capacity of the stair treads.

[0032] Specifically, Figure 1 and Figure 2 As shown, two connecting pipes 2 are provided, and the two connecting pipes 2 are respectively arranged on two opposite sides of the steel mesh structure 1 along the length direction. Correspondingly, two connecting fasteners 3 are also provided, and the two connecting fasteners 3 are respectively arranged corresponding to the two connecting pipes 2.

[0033] In one embodiment, Figure 1 As shown, the connecting fastener 3 includes a base 301 and an arc-shaped hoop 302. Two arc-shaped hoops 302 are provided. Both arc-shaped hoops 302 are detachably connected to the base 301. The arc-shaped hoop 302 and the base 301 enclose an installation space. By providing the arc-shaped hoop 302 and the base 301 to enclose an installation space, the connecting fastener 3 can adapt to stair frames 4 of different sizes, so that the connecting fastener 3 has better adaptability.

[0034] In one embodiment, Figure 1 and Figure 2As shown, the steel mesh structure 1 includes frame steel bars 101 and internal steel bars 102. The frame steel bars 101 are arranged to surround along the circumferential direction, the internal steel bars 102 are connected and arranged in the frame steel bars 101, and the connecting pipe 2 is connected to the frame steel bars 101. By arranging the frame steel bars 101 and the internal steel bars 102, the integrity of the steel mesh structure 1 is enhanced, making the stair tread device more solid and better able to withstand the weight and pressure from the user.

[0035] In one embodiment, Figure 1 and Figure 2 As shown, the connecting pipe 2 is provided with a through hole, and the frame reinforcement 101 is provided through the through hole. By providing the through hole on the connecting pipe 2, it is convenient to connect the frame reinforcement 101 with the connecting pipe 2, and the connection between the connecting pipe 2 and the frame reinforcement 101 is more firmly.

[0036] Specifically, the connecting pipe 2 is a steel pipe, and the through holes opened on the steel pipe are reserved according to the requirements of the load of passing personnel. The length of the steel pipe is selected according to the position of the stair frame 4 and the connecting fastener 3, thereby realizing customized settings on the performance of the steel pipe.

[0037] In one embodiment, Figure 1 and Figure 2 As shown, the frame reinforcement 101 includes two split reinforcements 1011, the two split reinforcements 1011 are arranged opposite to each other, and the edges of the two split reinforcements 1011 corresponding to each other are overlapped and connected by welding.

[0038] Specifically, the split design makes the border reinforcement 101 more convenient and easier to store during transportation and installation. In some scenarios where space is limited or on-site assembly is required, this design can greatly improve work efficiency.

[0039] Specifically, the split design can simplify the production process and reduce production costs to a certain extent compared to the integrally formed frame reinforcement 101. If damage or repair is required during use, this split design makes it easier to replace or repair some components without replacing the entire frame reinforcement 101.

[0040] In one embodiment, Figure 1 and Figure 2 As shown, the split steel bar 1011 includes a first steel bar 10111, a second steel bar 10112 and a third steel bar 10113. The first steel bar 10111 and the second steel bar 10112 are arranged relatively spaced apart, and both ends of the third steel bar 10113 are connected to one end of the first steel bar 10111 and the second steel bar 10112 at the same time. The first steel bar 10111 and the second steel bar 10112 of the two split steel bars 1011 are overlapped.

[0041] In one embodiment, Figure 1 and Figure 2 As shown, the length of the first steel bar 10111 is greater than that of the second steel bar 10112, and the first steel bar 10111 passes through the through hole, and the first steel bar 10111 of one split steel bar 1011 is overlapped with the second steel bar 10112 of another split steel bar 1011.

[0042] In one embodiment, Figure 1 and Figure 2 As shown, the internal steel bar 102 includes a plurality of reinforcing bars 1021, and the plurality of reinforcing bars 1021 are sequentially connected to the frame steel bar 101 at intervals. By arranging a plurality of reinforcing bars 1021 in the frame steel bar 101, the steel mesh structure 1 is further improved, the safety of the pedal is enhanced, and the user is prevented from stepping on air and falling.

[0043] Specifically, in this embodiment, the reinforcement 1021 is evenly arranged in the frame reinforcement 101, so that the reinforcement mesh structure 1 can better withstand the weight and pressure from the user, further improving the bearing capacity of the stair tread device.

[0044] In one embodiment, Figure 1 and Figure 2 As shown, the internal steel bar 102 also includes a reinforcing steel bar 1022, the two ends of which are respectively connected to the two split steel bars 1011, and the reinforcing steel bar 1022 is simultaneously connected to a plurality of supporting bars 1021. By arranging the reinforcing steel bar 1022 to be connected to the split steel bars 1011 and the supporting bars 1021, the bearing capacity of the stair tread device is further enhanced, and the strength of the steel mesh structure 1 is enhanced.

[0045] Specifically, the reinforcing steel bars 1022 are welded to the split steel bars 1011 and the reinforcement 1021, thereby enhancing the overall stability of the steel mesh structure 1 and improving the safety of the pedal.

[0046] In one embodiment, Figure 1 and Figure 2 As shown, in the first implementation of the reinforcing steel bar 1022, the reinforcing steel bar 1022 is a long strip structure.

[0047] In one embodiment, Figure 1 and Figure 2As shown, in the second embodiment of the reinforcing steel bar 1022, the reinforcing steel bar 1022 includes a fourth steel bar 10221 and two fifth steel bars 10222, the fourth steel bar 10221 is a long strip structure, the two fifth steel bars 10222 are respectively vertically connected to the two ends of the fourth steel bar 10221, the two fifth steel bars 10222 are extended in opposite directions, the fourth steel bar 10221 is connected to several reinforcing bars 1021 at the same time, and the two fifth steel bars 10222 are respectively connected to two split steel bars 1011.

[0048] By arranging reinforcing steel bars 1022 of different structures, the ability of the steel mesh structure 1 to withstand forces in different directions is improved, the stability of the steel mesh structure 1 is improved, the strength of the steel mesh structure 1 is improved, and the possibility of pedal bending and deformation is reduced.

[0049] Specifically, in this embodiment, please refer to Figure 1 and Figure 2 Two reinforcing steel bars 1022 of the first embodiment and one reinforcing steel bar 1022 of the second embodiment are provided. Along the length direction of the steel mesh structure 1, the two reinforcing steel bars 1022 of the first embodiment are arranged at intervals, and the reinforcing steel bar 1022 of the second embodiment is located between the two reinforcing steel bars 1022 of the first embodiment.

[0050] It is worth noting that the number and position of the reinforcing steel bars 1022 and the matching steel bars 1021 can be adjusted according to the actual construction conditions, ensuring that the strength of the steel mesh structure 1 meets the load requirements of construction personnel while not wasting materials, reducing costs, and greatly improving the adaptability of the stair tread device.

[0051] When using the stair tread device of this embodiment, firstly, two split steel bars 1011 are respectively perforated and welded to two connecting pipes 2, and two split steel bars 1011, several reinforcing bars 1021 and several reinforcing steel bars 1022 are welded; then, one arc hoop 302 of the connecting fastener 3 is connected to the connecting pipe 2; finally, another arc hoop 302 of the connecting fastener 3 is connected to the stair frame 4. The stair tread device can be used for construction at the construction site, and after the construction is completed, the connecting fastener 3 is removed from the stair frame 4 and moved to a new construction site for further installation and use.

[0052] Although the embodiments of the present invention are described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations are all within the scope defined by the appended claims.

Claims

1. A stair step device, characterized in that: include: Steel mesh structure (1); A connecting pipe (2) connected to the steel mesh structure (1), wherein at least two connecting pipes (2) are provided, and at least two connecting pipes (2) are provided on two opposite sides of the steel mesh structure (1); The connecting fastener (3) is detachably connected to the connecting pipe (2) and is suitable for being detachably connected to the stair frame (4). At least two connecting fasteners (3) are provided, and at least two connecting fasteners (3) are provided corresponding to at least two connecting pipes (2).

2. The stair tread device according to claim 1, characterized in that: The connecting fastener (3) comprises a base (301) and an arc-shaped hoop (302), two arc-shaped hoops (302) are provided, and both of the two arc-shaped hoops (302) are detachably connected to the base (301), and the arc-shaped hoop (302) and the base (301) enclose a mounting space.

3. The stair tread device according to claim 1 or 2, characterized in that: The steel mesh structure (1) comprises frame steel bars (101) and internal steel bars (102); the frame steel bars (101) are arranged to surround the frame in a circumferential direction; the internal steel bars (102) are connected and arranged inside the frame steel bars (101); and the connecting pipe (2) is connected to the frame steel bars (101).

4. The stair tread device according to claim 3, characterized in that: The connecting pipe (2) is provided with a through hole, and the frame steel bar (101) is arranged to pass through the through hole.

5. The stair tread device according to claim 4, characterized in that: The frame steel bar (101) comprises two split steel bars (1011), the two split steel bars (1011) are arranged opposite to each other, and the edges of the two split steel bars (1011) corresponding to each other are overlapped and connected by welding.

6. The stair tread device according to claim 5, characterized in that: The split steel bar (1011) comprises a first steel bar (10111), a second steel bar (10112) and a third steel bar (10113); the first steel bar (10111) and the second steel bar (10112) are arranged at a relative interval; both ends of the third steel bar (10113) are connected to one end of the first steel bar (10111) and one end of the second steel bar (10112); the first steel bar (10111) and the second steel bar (10112) of the two split steel bars (1011) are overlapped.

7. The stair tread device according to claim 6, characterized in that: The length of the first steel bar (10111) is greater than the length of the second steel bar (10112), and the first steel bar (10111) is arranged to pass through the through hole, and the first steel bar (10111) of one of the split steel bars (1011) is overlapped with the second steel bar (10112) of another split steel bar (1011).

8. The stair tread device according to claim 5, characterized in that: The internal steel bar (102) includes a plurality of reinforcing bars (1021), and the plurality of reinforcing bars (1021) are sequentially connected to the frame steel bar (101) at intervals.

9. The stair tread device according to claim 8, characterized in that: The internal steel bars (102) further include reinforcing steel bars (1022), the two ends of which are respectively connected to the two separate steel bars (1011), and the reinforcing steel bars (1022) are simultaneously connected to a plurality of the reinforcing bars (1021).

10. The stair tread device according to claim 9, characterized in that: The reinforcing steel bar (1022) is a long strip structure; and / or, The reinforcing steel bars (1022) include a fourth steel bar (10221) and two fifth steel bars (10222); the fourth steel bar (10221) is a long strip structure; the two fifth steel bars (10222) are respectively vertically connected to the two ends of the fourth steel bar (10221); the two fifth steel bars (10222) are extended in opposite directions; the fourth steel bar (10221) is simultaneously connected to a plurality of the reinforcing bars (1021); and the two fifth steel bars (10222) are respectively connected to the two split steel bars (1011).