Simple stair for construction site

By designing a simple staircase that includes a base, universal wheel, support mechanism and hydraulic push rod, the inconvenience problem of temporary staircases during handling and building is solved, and the effect of convenient handling, rapid installation and stable support is achieved.

CN222649575UActive Publication Date: 2025-03-21ZHEJIANG ZHENG MAI CONSTR CO LTD
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Patent Information

Application Number
CN202421434928.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-03-21
Estimated Expiration
2034-06-21

AI Technical Summary

Technical Problem

The existing temporary staircase is inconvenient when transporting and building, and two or more workers are required to complete the installation, resulting in inconvenience on the construction site.

Method used

A simple staircase including a base, universal wheel, support mechanism, slide rail and hydraulic push rod is designed. The universal wheel is convenient to carry, and the support mechanism and hydraulic push rod are adjusted angle to simplify the construction process.

Benefits of technology

It realizes convenient handling and rapid installation of stairs, reduces the need for manual construction, and improves the stability and construction efficiency of stairs during use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The simple stair for the construction site comprises a base, supporting mechanisms are symmetrically arranged on one side of the base, a first supporting seat and a second supporting seat are fixedly connected to one side of the interior of the base respectively, and a first supporting rod and a second supporting rod are symmetrically and rotationally connected between the first supporting seat and the second supporting seat; the simple staircase composed of the first supporting seat, the second supporting seat, the first supporting rod, the second supporting rod, the rotating shaft and the pedal is installed at the top of the base, the universal wheels arranged at the bottom of the base can facilitate carrying and position movement of the simple staircase, and after position movement is completed, the simple staircase can be conveniently moved by rotating an adjusting screw sleeve arranged in the supporting mechanism. According to the simple stair, the screw rod pushes the positioning plate to support the simple stair, so that the construction site can be supported in a stable form, the structure is simple, the operation is convenient, the stair can be conveniently carried, and the stability of the stair in the use period can be improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, and in particular relates to a simple staircase used on a construction site. Background Art

[0002] Simple stairs are a common safety facility at construction sites, mainly used for workers to go up and down floors or transport tools and materials. Due to its simple structure, easy assembly and disassembly, and low cost, it has been widely used in various construction sites. Simple stairs are usually made of wood, steel pipes, steel plates and other materials, and the step and width of the stairs are designed according to specific needs. At the construction site, workers can easily reach the work position and carry out construction work through simple stairs.

[0003] At present, temporary stair treads assembled from all-steel pipe fasteners are used in the construction process. However, this type of staircase is inconvenient to carry and needs to be manually built according to the setting angle. This method requires two or more workers to complete the setting, which brings certain inconveniences. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a simple staircase for use on construction sites to solve the problem raised in the above-mentioned background technology that temporary stair treads assembled from all-steel pipe fasteners are currently used in the construction process, but this type of staircase is inconvenient to carry and needs to be manually erected according to the erection angle. This method requires two or more workers to complete the erection, thus causing certain inconveniences.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a simple staircase for construction sites, comprising a base, a supporting mechanism symmetrically arranged on one side of the base, a first supporting seat and a second supporting seat fixedly connected to one side of the inside of the base respectively, a first support rod and a second support rod symmetrically and rotatably connected between the first support rod and the second support rod, a rotating shaft symmetrically and rotatably connected between the two first support rods and the second support rods, a pedal fixedly connected to the outside of the rotating shaft, a slide rail symmetrically arranged on one side of the bottom of the second support rod, a slider slidably connected to the outside of the slide rail, a rotating seat fixedly connected to the bottom of the slider, a connecting seat rotatably connected to the inside of the rotating seat, and the connecting seat fixedly connected to the output end of the hydraulic push rod.

[0006] Preferably, universal wheels are symmetrically fixedly connected to both sides of the bottom of the base.

[0007] Preferably, the support mechanism comprises a first fixing seat, a screw is symmetrically arranged on one side inside the first fixing seat, a positioning plate is fixedly connected to the bottom of the screw, and an adjusting screw sleeve is threadedly connected to the upper end of the outer side of the screw.

[0008] Preferably, the top of each of the first support rods is fixedly connected to a third support rod, and the top of each of the third support rods is fixedly connected to a handrail.

[0009] Preferably, the slide rail is fixedly connected to the second support rod via a second fixing seat.

[0010] Preferably, a reinforcing rib is fixedly connected to the bottom of the second support rod.

[0011] Preferably, the hydraulic push rod is fixedly connected to the base via a third support seat.

[0012] Compared with the prior art, the utility model provides a simple staircase for construction sites, which has the following beneficial effects:

[0013] 1. The utility model is provided with a base, universal wheels and a supporting mechanism. When in use, a simple staircase consisting of a first supporting base, a second supporting base, a first support rod, a second support rod, a rotating shaft and a pedal is installed on the top of the base. The universal wheels provided at the bottom of the base can facilitate the transportation and movement of the simple staircase. When the movement is completed, the adjusting screw sleeve provided in the supporting mechanism is rotated so that the screw pushes the positioning plate to support the simple staircase, and then the construction site can be supported in a stable form. Therefore, the structure is simple and the operation is convenient, which can facilitate the transportation of the staircase and improve the stability of the staircase during use.

[0014] 2. The utility model provides an angle adjustment mechanism consisting of a slide rail, a slider, a rotating seat, a connecting seat and a hydraulic push rod. During the use of the stairs, the hydraulic push rod is driven to make the rotating seat drive the slider located on the outer side of the slide rail to slide up and down. Since the stairs and the base are rotatably connected, the angle can be adjusted under the push of the hydraulic push rod, and then the erection angle can be adjusted according to the needs of the construction site, thereby improving the practicality of the stairs.

[0015] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The utility model has a scientific and reasonable structure, is safe and convenient to use, and provides great help to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 This is a schematic diagram of the axial structure of one side of a simple staircase for use on a construction site proposed by the utility model;

[0018] Figure 2This is a schematic diagram of the axial structure of the other side of a simple staircase for use on a construction site proposed by the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of a first support base of a simple staircase for use on a construction site proposed by the utility model;

[0020] Figure 4 This is a schematic diagram of a reinforcing rib structure of a simple staircase used on a construction site proposed by the utility model;

[0021] Figure 5 This is a schematic diagram of the hydraulic push rod structure of a simple staircase used on a construction site proposed by the utility model;

[0022] In the figure: base 1, universal wheel 2, first fixed seat 3, screw 4, positioning plate 5, adjusting screw sleeve 6, first support seat 7, second support seat 8, first support rod 9, second support rod 10, rotating shaft 11, pedal 12, third support rod 13, handrail 14, slide rail 15, second fixed seat 16, slider 17, rotating seat 18, connecting seat 19, hydraulic push rod 20, third support seat 21, reinforcing rib 22. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5The utility model provides a technical solution: a simple staircase for construction sites, comprising a base 1, a supporting mechanism symmetrically arranged on one side of the base 1, a first supporting seat 7 and a second supporting seat 8 are respectively fixedly connected to one side of the base 1, a first support rod 9 and a second support rod 10 are symmetrically rotatably connected between the first support rod 7 and the second support rod 8, a rotating shaft 11 is symmetrically rotatably connected between the two first support rods 9 and the second support rods 10, a pedal 12 is fixedly connected to the outside of the rotating shaft 11, a slide rail 15 is symmetrically arranged on one side of the bottom of the second support rod 10, a slider 17 is slidably connected to the outside of the slide rail 15, a rotating seat 18 is fixedly connected to the bottom of the slider 17, and the rotating seat 18 is rotatably connected inside. There is a connecting seat 19, which is fixedly connected to the output end of the hydraulic push rod 20. The simple stairs composed of the first supporting seat 7, the second supporting seat 8, the first support rod 9, the second support rod 10, the rotating shaft 11 and the pedal 12 are installed on the top of the base 1. The universal wheel 2 provided at the bottom of the base 1 can facilitate the transportation and movement of the simple stairs. After the position movement is completed, the adjusting screw sleeve 6 provided in the supporting mechanism is rotated to make the screw 4 push the positioning plate 5 to support the simple stairs, so that the construction site can be supported in a stable form. Therefore, the structure is simple and the operation is convenient, which can facilitate the transportation of the stairs and improve the stability of the stairs during use.

[0025] In the utility model, preferably, universal wheels 2 are symmetrically fixedly connected to both sides of the bottom of the base 1 .

[0026] In the present invention, preferably, the supporting mechanism includes a first fixed seat 3, a screw rod 4 is symmetrically arranged on one side inside the first fixed seat 3, a positioning plate 5 is fixedly connected to the bottom of the screw rod 4, and an adjusting screw sleeve 6 is threadedly connected to the upper end of the outer side of the screw rod 4.

[0027] In the present invention, preferably, the top of the first support rod 9 is fixedly connected to the third support rod 13 , and the top of the third support rod 13 is fixedly connected to the handrail 14 .

[0028] In the present invention, preferably, the slide rail 15 is fixedly connected to the second support rod 10 via a second fixing seat 16 .

[0029] In the present invention, preferably, a reinforcing rib 22 is fixedly connected to the bottom of the second support rod 10 .

[0030] In the present utility model, preferably, the hydraulic push rod 20 is fixedly connected to the base 1 through the third support seat 21.

[0031] The working principle and use process of the utility model are as follows: when in use, the simple staircase composed of the first support seat 7, the second support seat 8, the first support rod 9, the second support rod 10, the rotating shaft 11 and the pedal 12 is installed to the top of the base 1, and the universal wheels 2 are symmetrically fixedly connected on both sides of the bottom of the base 1, so that the stairs can be conveniently carried and moved. When the position movement is completed, the adjusting screw sleeve 6 provided in the supporting mechanism is rotated so that the screw 4 pushes the positioning plate 5 to support the simple staircase. In this way, the stairs can be supported in a stable form at the construction site. On both sides of the stairs, the top of the first support rod 9 is fixedly connected to the third support rod 13, and the top of the third support rod 13 is fixedly connected to the handrail 14, which provides safety for the user. In addition, the third support rod 13 is fixedly connected to the handrail 14, which provides safety for the user. The bottom of the second support rod 10 is fixedly connected with a reinforcing rib 22, which enhances the structural stability of the stairs. The slide rail 15 is fixedly connected to the second support rod 10 through the second fixed seat 16. The bottom of the slider 17 is fixedly connected with a rotating seat 18. The rotating seat 18 is rotatably connected with a connecting seat 19 inside. The connecting seat 19 is fixedly connected to the output end of the hydraulic push rod 20. This design allows the pedals 12 of the stairs to slide smoothly between the support rods, thereby improving the convenience of using the stairs. In general, the simple staircase has achieved functions such as convenient transportation, quick installation, and stable support through its unique structural design. At the construction site, the staff can easily adjust the position of the stairs as needed and ensure the stability of the stairs by adjusting the screw sleeve 6, thereby improving work efficiency and safety.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A simple staircase for use at a construction site, comprising a base (1), characterized in that: A support mechanism is symmetrically arranged on one side of the base (1); a first support seat (7) and a second support seat (8) are fixedly connected to one side of the interior of the base (1); a first support rod (9) and a second support rod (10) are symmetrically rotatably connected between the first support seat (7) and the second support seat (8); a rotating shaft (11) is symmetrically rotatably connected between the two first support rods (9) and the second support rods (10); a pedal (12) is fixedly connected to the outer side of the rotating shaft (11); a slide rail (15) is symmetrically arranged on one side of the bottom of the second support rod (10); a slider (17) is slidably connected to the outer side of the slide rail (15); a rotating seat (18) is fixedly connected to the bottom of the slider (17); a connecting seat (19) is rotatably connected to the interior of the rotating seat (18); and the connecting seat (19) is fixedly connected to the output end of the hydraulic push rod (20).

2. A simple staircase for construction sites according to claim 1, characterized in that: Universal wheels (2) are symmetrically fixedly connected to both sides of the bottom of the base (1).

3. The simple staircase for construction site according to claim 1, characterized in that: The support mechanism comprises a first fixed seat (3), a screw rod (4) is symmetrically arranged on one side inside the first fixed seat (3), a positioning plate (5) is fixedly connected to the bottom of the screw rod (4), and an adjusting screw sleeve (6) is threadedly connected to the upper end of the outer side of the screw rod (4).

4. The simple staircase for construction site according to claim 1, characterized in that: The top of each of the first support rods (9) is fixedly connected to a third support rod (13), and the top of each of the third support rods (13) is fixedly connected to a handrail (14).

5. The simple staircase for construction site according to claim 1, characterized in that: The slide rail (15) is fixedly connected to the second support rod (10) via a second fixing seat (16).

6. The simple staircase for construction site according to claim 1, characterized in that: A reinforcing rib (22) is fixedly connected to the bottom of the second support rod (10).

7. The simple staircase for construction site according to claim 1, characterized in that: The hydraulic push rod (20) is fixedly connected to the base (1) via a third support seat (21).