Novel protective device for steel structure stair part
By designing a steel structure stair protection device including columns and wire ropes, the problem of lack of edge protection of stair parts in steel structure construction is solved, convenient installation and high-rigidity protection are achieved, and construction safety is significantly improved.
Patent Information
- Application Number
- CN202421557729.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-03
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-07-03
AI Technical Summary
In steel structure construction, especially in stairs, there are major safety hazards in the absence of edge protection, and an efficient and convenient protective device is needed to improve construction safety.
A new type of protection device for the steel structure stairs is designed, including columns at both ends of the platform and columns at the middle step position. It is fixed to the steel structure stairs through the base of the column, and is connected with the stairs with the stairs by means of a wire rope through hole to form a stable protective structure.
The protective device is conveniently installed during construction, which improves the rigidity of stairs' edge protection, enhances the safety protection capability of emergency passages, and effectively solves the problem of lack of stair protection.
Smart Images

Figure CN222822902U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of safety protection construction in steel structure construction, in particular to a new type of protection device for staircase parts of steel structures. Background Art
[0002] The advantages of steel structure workshops include:
[0003] 1. It has a wide range of uses and can be used in factories, warehouses, office buildings, gymnasiums, hangars, etc. It is suitable for single-story large-span buildings and can also be used to build multi-story or high-rise buildings.
[0004] 2. The building is simple and the construction period is short. All components are prefabricated in the factory and only require simple assembly on site, which greatly shortens the construction period. A 5,000 square meter building can be basically installed in just 30 days.
[0005] 3. Durable and easy to maintain, steel structure buildings designed by general computers can withstand harsh weather and require simple maintenance.
[0006] 4. Beautiful and practical, the steel structure has simple and smooth lines and a modern feel. There are many colors of colored wall panels to choose from, and the wall can also be made of other materials, so it is more flexible.
[0007] 5. Reasonable cost, light weight of steel structure building, reduced foundation cost, fast construction speed, early completion and commissioning, comprehensive economic benefits are much better than concrete structure building. It is precisely because of these advantages that the lack of edge protection is easy to form during the assembly and construction of steel structure components, which has certain safety hazards, especially in the staircase. Stairs are emergency passages and life passages at the steel structure construction site, so edge protection is particularly important. In order to solve the above problems, a new type of protective device design structure for the staircase of the steel structure is provided. Utility Model Content
[0008] The utility model aims to remedy the defects of the prior art and provide a new type of protective device for steel structure stairs.
[0009] The utility model is realized by the following technical solutions:
[0010] A new type of protective device for steel structure stairs comprises columns at two end platforms and columns at middle step positions, column root clamps are fixed at the bottom of the columns at two end platforms and the columns at the middle step positions, the columns at two end platforms and the columns at the middle step positions are respectively fixed to the steel structure stairs through the column root clamps, wire rope clamps are respectively fixed at the upper and middle parts of the columns at the two end platforms, wire rope through holes are opened at the upper and middle parts of the columns at the middle step positions, steel wire ropes are respectively connected between the wire rope clamps at the upper and middle parts of the columns at the two end platforms, two ends of the steel wire ropes are fixed on the steel wire rope clamps, and two steel wire ropes pass through the wire rope through holes at the upper and middle parts of the columns at the middle step positions respectively.
[0011] The column root clamp includes an L-shaped clamping plate, the top of the vertical surface of the L-shaped clamping plate is fixedly connected to the columns at the two end platform positions and the bottom of the columns at the middle step position, and bolt holes are opened on the horizontal surface of the L-shaped clamping plate, and locking bolts are arranged in the bolt holes.
[0012] The bottom surface of the column at the middle step position is an inclined surface, and the inclination is consistent with the slope of the stair step position.
[0013] The columns at the two end platforms and the middle step positions are all steel pipe columns with a diameter of 50 mm, a height greater than 1.2 m, and a wall thickness of not less than 3 mm.
[0014] The diameter of the steel wire rope is 6 mm.
[0015] The advantages of the utility model are: the utility model can be applied to the temporary protection of stairs in steel structure projects and in the installation of protection projects, with convenient construction, simple operation, economical and efficient operation, and can effectively improve the construction speed and the rigidity requirements for the edge protection of the stairs, thereby improving the safety protection capability of the entire emergency passage. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a structural schematic diagram of the utility model;
[0017] Figure 2 This is a schematic diagram of the installation structure of the utility model;
[0018] Figure 3 This is a schematic diagram of the bottom structure of the column at the platform;
[0019] Figure 4 This is a schematic diagram of the column structure at the middle step position. DETAILED DESCRIPTION
[0020] like Figure 1As shown, a new type of protective device for steel structure stairs includes columns 1 at the platform positions at both ends and columns 2 at the middle step positions, column root clamps 3 are fixed at the bottom of the columns 1 at the platform positions at both ends and the columns 2 at the middle step positions, the columns 1 at the platform positions at both ends and the columns 2 at the middle step positions are respectively fixed to the steel structure stairs 4 through the column root clamps 3, wire rope clamps 5 are respectively fixed at the upper and middle parts of the columns 1 at the platform positions at both ends, wire rope through holes are opened at the upper and middle parts of the columns 2 at the middle step positions, wire ropes 6 are respectively connected between the wire rope clamps 5 at the upper and middle parts of the columns 1 at the platform positions at both ends, both ends of the wire rope 6 are fixed on the wire rope clamps 5, and two wire ropes 6 pass through the wire rope through holes at the upper and middle parts of the columns 2 at the middle step positions, respectively.
[0021] like Figure 3 , 4 As shown, the column root clamp 3 includes an L-shaped clamp 31, the top of the vertical surface of the L-shaped clamp 31 is fixedly connected to the bottom of the column 1 at the platform position at both ends and the column 2 at the middle step position, and a bolt hole is opened on the horizontal surface of the L-shaped clamp 31, and a locking bolt 32 is arranged in the bolt hole. The upper end of the L-shaped clamp 31 first passes through the side of the steel structure staircase 4 to the stair flange, and then the top of the L-shaped clamp 31 is fixedly connected to the bottom of the column 1 at the platform position at both ends and the column 2 at the middle step position, and then the locking bolt 32 is tightened to lock the column root clamp, and the horizontal surface of the L-shaped clamp 31 clamps the steel structure staircase.
[0022] The bottom surface of the middle step position column 2 is an inclined surface, and the inclination is consistent with the slope of the stair step position, so that the bottom surface of the middle step position column fits the stair step position, which is easy to install.
[0023] The columns 1 at the two end platforms and the columns 2 at the middle step positions are both steel pipe columns with a diameter of 50 mm, a height greater than 1.2 m, and a wall thickness of not less than 3 mm.
[0024] The steel wire rope 6 has a diameter of 6 mm.
[0025] The wire rope clamp 5 is a commonly used component for those skilled in the art, is available on the market, and has a structure that is prior art and will not be described in detail.
[0026] like Figure 2 As shown, the installation steps of the utility model are as follows:
[0027] Step 1: Pass the L-shaped clamping plate 31 of the clamping head 3 at the root of the column from the side of the steel structure staircase to the stair flange, weld the upper end to the steel pipe column with an outer diameter of 50 mm to form a whole, and fix the columns 1 at the platform positions at both ends and the columns 2 at the middle step positions to the steel structure staircase 4 respectively through locking bolts 32;
[0028] Step 2: Insert the steel wire rope 6 into the steel wire rope through hole of the column 2 at the middle step position, and fix the two ends of the steel wire rope 6 by the steel wire rope clamp 5.
Claims
1. A new type of protective device for steel structure stairs, characterized by: It includes columns at the platform positions at both ends and columns at the middle step positions. Column root clamps are fixed at the bottom of the columns at the platform positions at both ends and the columns at the middle step positions. The columns at the platform positions at both ends and the columns at the middle step positions are respectively fixed to the steel structure stairs through the column root clamps. Wire rope clamps are respectively fixed at the upper and middle parts of the columns at the platform positions at both ends. Wire rope through holes are opened at the upper and middle parts of the columns at the middle step positions. Steel wire ropes are respectively connected between the steel wire rope clamps at the upper and middle parts of the columns at the platform positions at both ends. Both ends of the steel wire ropes are fixed on the steel wire rope clamps. Two steel wire ropes pass through the steel wire rope through holes at the upper and middle parts of the columns at the middle step positions respectively.
2. A new type of protective device for steel structure stairs according to claim 1, characterized in that: The column root clamp includes an L-shaped clamping plate, the top of the vertical surface of the L-shaped clamping plate is fixedly connected to the columns at the two end platform positions and the bottom of the columns at the middle step position, and bolt holes are opened on the horizontal surface of the L-shaped clamping plate, and locking bolts are arranged in the bolt holes.
3. According to claim 1, a new type of protective device for steel structure stairs is characterized by: The bottom surface of the column at the middle step position is an inclined surface, and the inclination is consistent with the slope of the stair step position.
4. According to claim 1, a new type of protective device for steel structure stairs is characterized by: The columns at the two end platforms and the middle step positions are all steel pipe columns with a diameter of 50 mm and a height greater than 1.2 m.
5. According to claim 1, the new type of protective device for steel structure stairs is characterized by: The diameter of the steel wire rope is 6 mm.