A cantilever assembled steel frame staircase

Abstract

The utility model discloses a cantilever assembled steel frame staircase, which relates to the technical field of steel frame staircases, including a steel structure wall frame, on which a transfer platform frame and a step frame are installed, and an adjustable connection component is connected to the transfer platform frame, the step frame and the steel structure wall frame, a steel plate is installed on the upper surface of the step frame, a flame retardant plywood is installed on the steel plate, and stone slabs are arranged on the flame retardant plywood, the step frame, the lower surface of the transfer platform frame and the steel structure wall frame, a galvanized U-shaped groove is opened on the step frame, a glass guardrail is embedded in the galvanized U-shaped groove, and the transfer platform frame and the step frame are welded on the steel structure wall frame to realize the cantilever shape of the staircase appearance, and the glass guardrail is embedded in the galvanized U-shaped groove, which can ensure the stability of the glass guardrail while making the overall shape more transparent and concise, and the step frame or the transfer platform frame can be positioned during welding through the adjustable connection component, the step frame and the transfer platform frame, thereby improving the welding efficiency.

Description

Technical Field

[0001] The utility model specifically relates to a cantilever assembled steel frame staircase, belonging to the technical field of steel frame staircases. Background Art

[0002] Steel frame stairs refer to stairs made of various general steel profiles and adapted to the main structure. Each component node is connected by bolts, anchors, welding and other methods. Steel stairs are lighter than reinforced concrete stairs in terms of self-weight and size error. Stair treads and platform plates should be made of embossed or grid steel plates to prevent slipping, and the surface of the components must be painted to prevent rust and fire. Conventional steel frame stairs are mostly fixed on both sides. This method is difficult to achieve a light and flexible modeling effect, and when welding, it is necessary to manually hold the steel frame, which affects the welding rate. Utility Model Content

[0003] The purpose of the utility model is to provide a cantilever assembled steel frame staircase to address the deficiencies of the prior art, so as to achieve the purpose of positioning the step frame or the transfer platform frame during welding, realizing the cantilever shape of the staircase appearance, and making the overall shape more transparent and concise.

[0004] The utility model achieves the above-mentioned purpose through the following technical scheme: a cantilever assembled steel frame staircase, comprising a steel structure wall frame, a transfer platform frame and a step frame are installed on the steel structure wall frame, the transfer platform frame is located between the step frames, and an adjustable connection component is connected to the transfer platform frame, the step frame and the steel structure wall frame, a steel plate is installed on the upper surface of the step frame, a flame retardant plywood is installed on the upper surface of the steel plate, the flame retardant plywood and the step frame, the lower surface of the transfer platform frame and the steel structure wall frame are provided with stone slabs, a galvanized U-shaped groove is welded on the side of the step frame, and a glass guardrail is embedded in the galvanized U-shaped groove.

[0005] Furthermore, in order to facilitate the connection between the transfer platform frame and the step frame, the transfer platform frame, the step frame and the steel structure wall frame are provided with snap-in grooves.

[0006] Furthermore, in order to facilitate connecting the step frame with the transfer platform frame, the adjustable connection assembly includes a hot-dip galvanized step beam, the hot-dip galvanized step beam is installed on the step frame, and the other end of the hot-dip galvanized step beam is snap-fitted to the snap-fit ​​groove, and an installation cavity is provided inside the hot-dip galvanized step beam.

[0007] Furthermore, in order to facilitate the rotation of the bidirectional threaded shaft, a bidirectional threaded shaft is rotatably installed inside the installation cavity, a worm wheel is installed on the bidirectional threaded shaft, a worm is rotatably installed inside the installation cavity, the worm is meshed with the worm wheel, and the worm wheel rotates through the rotation of the worm, and the bidirectional threaded shaft rotates.

[0008] Furthermore, in order to facilitate the rotation of the worm, a hand wheel is installed at one end of the worm extending to one side of the hot-dip galvanized step beam, and the worm rotates by rotating the hand wheel.

[0009] Furthermore, in order to adjust the position of the clamping block, two clamping blocks are threadedly connected on the bidirectional threaded shaft, the clamping blocks are clamped with the side walls of the clamping groove, and the clamping blocks are clamped with the hot-dip galvanized step beam, and the position of the clamping block is adjusted by rotating the bidirectional threaded shaft.

[0010] Furthermore, in order to facilitate the fixation between the glass guardrail and the step frame, a shock-absorbing rubber pad is installed inside the galvanized U-shaped groove, and the gap between the glass guardrail and the galvanized U-shaped groove is filled with glass glue. The glass guardrail is made of tempered laminated ultra-white glass.

[0011] Furthermore, in order to facilitate lighting of the stone slab surface, an LED light strip is provided on the stone slab and located on one side of the adjustable connecting component. The step frame and the transfer platform frame are welded to the steel structure wall frame, and the step frame and the transfer platform frame are made of hot-dip galvanized steel pipe.

[0012] Technical effects and advantages of the utility model:

[0013] The utility model uses an adjustable connection assembly, a step frame and a transfer platform frame to position the step frame or the transfer platform frame during welding, thereby improving welding efficiency and further improving installation efficiency;

[0014] The utility model realizes the cantilever shape of the staircase appearance by welding the transfer platform frame and the step frame on the steel structure wall frame, and embeds the glass guardrail into the galvanized U-shaped groove, which can ensure the stability of the glass guardrail and make the overall shape more transparent and simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a cross-sectional schematic diagram of a part of the structure of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the utility model from the right side perspective;

[0017] Figure 3 It is a structural schematic diagram of the utility model from the left side perspective;

[0018] Figure 4 It is a schematic diagram of the structure of the utility model from an upward viewing angle;

[0019] Figure 5 It is a cross-sectional schematic diagram of the adjustable connection assembly of the utility model;

[0020] Figure 6 for Figure 5 Schematic diagram of point A.

[0021] In the figure: 1. Steel structure wall frame; 2. Transfer table frame; 3. Step frame; 4. Steel plate; 5. Adjustable connection assembly; 501. Hot-dip galvanized step beam; 502. Installation cavity; 503. Bidirectional threaded shaft; 504. Worm gear; 505. Worm; 506. Handwheel; 507. Snap-in block; 6. Flame-retardant splint; 7. Galvanized U-shaped groove; 8. Glass guardrail; 9. Snap-in groove; 10. Shock-absorbing rubber pad; 11. LED light strip. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-Figure 6 As shown, a cantilever assembled steel frame staircase includes a steel structure wall frame 1, on which a transfer platform frame 2 and a step frame 3 are installed, the transfer platform frame 2 is located between the step frames 3, and the transfer platform frame 2, the step frames 3 and the steel structure wall frame 1 are connected with an adjustable connecting component 5, through which the step frames 3 and the transfer platform frame 2 can be positioned, thereby facilitating welding between the step frames 3 and the rigid wall frame, thereby improving welding efficiency and quality, a steel plate 4 is installed on the upper surface of the step frame 3, and a flame retardant plywood 6 is installed on the upper surface of the steel plate 4, and the flame retardant plywood 6 and the step frames 3, the lower surface of the transfer platform frame 2 and the steel structure wall frame 1 are provided with stone slabs, and the stone slabs can increase the aesthetics of the utility model, and a galvanized U-shaped groove 7 is welded on the side of the step frame 3, and a glass guardrail 8 is embedded in the galvanized U-shaped groove 7, and the glass guardrail 8 can increase the safety of the utility model and improve the aesthetics of the overall shape of the utility model.

[0024] The transfer platform frame 2, the step frame 3, and the steel structure wall frame 1 are provided with a snap-in groove 9. The adjustable connection component 5 includes a hot-dip galvanized step beam 501. The hot-dip galvanized step beam 501 is installed on the step frame 3, and the other end of the hot-dip galvanized step beam 501 is snap-connected with the snap-in groove 9. The hot-dip galvanized step beam 501 is provided with an installation cavity 502 inside. A bidirectional threaded shaft 503 is rotatably installed inside the installation cavity 502. A worm wheel 504 is installed on the bidirectional threaded shaft 503. A worm 505 is rotatably installed inside the installation cavity 502. The worm 505 is meshed with the worm wheel 504. The worm 505 rotates, the worm wheel 504 rotates, and the bidirectional threaded shaft 503 rotates. A hand wheel 506 is installed at one end of the worm 505 extending to one side of the hot-dip galvanized step beam 501. By turning the hand wheel 506, the worm 505 rotates, and two clamping blocks 507 are threadedly connected to the bidirectional threaded shaft 503. The clamping blocks 507 are clamped with the side walls of the clamping groove 9, and the clamping blocks 507 are clamped with the hot-dip galvanized step beam 501. By rotating the bidirectional threaded shaft 503, the position of the clamping blocks 507 is adjusted, so as to facilitate the connection between the step frame 3, the transfer platform frame 2 and the steel structure wall frame 1, and the step frame 3 and the transfer platform frame 2 can be positioned, so as to facilitate the welding between the step frame 3 and the rigid wall frame, thereby improving the welding efficiency and quality.

[0025] A shock-absorbing rubber pad 10 is installed inside the galvanized U-shaped groove 7, and the gap between the glass guardrail 8 and the galvanized U-shaped groove 7 is filled with glass glue. The glass guardrail 8 is made of tempered laminated ultra-white glass, which ensures the stability between the glass guardrail 8 and the step frame 3 while making the overall shape more transparent and simple. An LED light strip 11 is provided on the stone slab and located on one side of the adjustable connecting component 5. The LED light strip 11 can illuminate the stairs, which improves the aesthetics of the overall shape and can illuminate the stairs, thereby improving the safety of people going up and down the stairs. The step frame 3 and the transfer platform frame 2 are welded to the steel structure wall frame 1. The step frame 3 and the transfer platform frame 2 are made of hot-dip galvanized steel pipes to achieve a cantilevered shape of the staircase appearance.

[0026] When the utility model is in use, the steel structure wall frame 1 is fixedly installed in a suitable position, the connecting piece on the step frame 3 is clamped with the clamping groove 9 on the steel structure wall frame 1, the hand wheel 506 is turned, the worm 505 is rotated, the worm wheel 504 is rotated, the bidirectional threaded shaft 503 is rotated, and the clamping block 507 is plugged into the side wall of the clamping groove 9, and the above operation is repeated to fix the transfer platform frame 2 and the steel structure wall frame 1, and then fix the transfer platform frame 2 and the step frame 3 to the steel structure wall frame 1 to achieve the cantilever shape of the staircase appearance, repeat the above operation between the step frame 3 and the transfer platform frame 2 and between the step frames 3, assemble the utility model, embed the glass guardrail 8 with the galvanized U-shaped groove 7, so that the stability between the glass guardrail 8 and the step frame 3 is made while making the overall shape more transparent and concise, and the stairs can be illuminated by the LED light strip 11, which improves the aesthetics of the overall shape while illuminating the stairs and improving the safety of people going up and down the stairs.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A cantilever assembled steel frame staircase, comprising a steel structure wall frame (1), characterized in that: The steel structure wall frame (1) is provided with a transfer platform frame (2) and a step frame (3), the transfer platform frame (2) is located between the step frames (3), the transfer platform frame (2), the step frames (3) and the steel structure wall frame (1) are connected with an adjustable connection component (5), the upper surface of the step frame (3) is provided with a steel plate (4), the upper surface of the steel plate (4) is provided with a flame retardant splint (6), the flame retardant splint (6) and the step frame (3), the lower surface of the transfer platform frame (2) and the steel structure wall frame (1) are provided with stone slabs, the side of the step frame (3) is welded with a galvanized U-shaped groove (7), and a glass guardrail (8) is embedded in the galvanized U-shaped groove (7).

2. The cantilever assembled steel frame staircase according to claim 1, characterized in that: The transfer platform frame (2), the step frame (3) and the steel structure wall frame (1) are provided with clamping grooves (9).

3. The cantilever assembled steel frame staircase according to claim 2, characterized in that: The adjustable connection assembly (5) comprises a hot-dip galvanized step beam (501), the hot-dip galvanized step beam (501) is installed on the step frame (3), and the other end of the hot-dip galvanized step beam (501) is snap-fitted to the snap-fit ​​groove (9), and a mounting cavity (502) is provided inside the hot-dip galvanized step beam (501).

4. The cantilever assembled steel frame staircase according to claim 3, characterized in that: A bidirectional threaded shaft (503) is rotatably mounted inside the installation cavity (502), a worm wheel (504) is mounted on the bidirectional threaded shaft (503), a worm (505) is rotatably mounted inside the installation cavity (502), and the worm (505) is meshed with the worm wheel (504).

5. The cantilever assembled steel frame staircase according to claim 4, characterized in that: A hand wheel (506) is installed at one end of the worm (505) extending to one side of the hot-dip galvanized step beam (501).

6. The cantilever assembled steel frame staircase according to claim 4, characterized in that: Two clamping blocks (507) are threadedly connected to the bidirectional threaded shaft (503), the clamping blocks (507) are clamped to the side walls of the clamping groove (9), and the clamping blocks (507) are clamped to the hot-dip galvanized step beam (501).

7. The cantilever assembled steel frame staircase according to claim 1, characterized in that: A shock-absorbing rubber pad (10) is installed inside the galvanized U-shaped groove (7), and the gap between the glass guardrail (8) and the galvanized U-shaped groove (7) is filled with glass glue. The glass guardrail (8) is made of tempered laminated ultra-white glass.

8. The cantilever assembled steel frame staircase according to claim 1, characterized in that: An LED light strip (11) is provided on the stone slab and located on one side of the adjustable connection component (5); the step frame (3) and the transfer platform frame (2) are welded to the steel structure wall frame (1); and the step frame (3) and the transfer platform frame (2) are made of hot-dip galvanized steel pipe.

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