Movable steel structure stair

Abstract

The utility model discloses a movable steel structure stair which comprises a first fixing block, a first height frame is fixedly installed at the top end of the first fixing block, a second fixing block is arranged on one side of the first fixing block, a second height frame is fixedly installed at the top end of the second fixing block, and a stair mechanism is fixedly installed between the first height frame and the second height frame. The movable steel structure staircase comprises a staircase mechanism and a second height frame, a limiting mechanism is fixedly installed on one side of the second height frame, the staircase mechanism comprises a first supporting plate and a staircase plate, and one side of the first supporting plate is rotationally connected with the bottom end of the staircase plate. And the second supporting plate pushes the stair plate to generate angle deflection along the second angle air cylinder through the second angle air cylinder, so that the overall size of the stair mechanism is adjusted, a small-size vehicle can conveniently carry and transfer the stair mechanism, and the carrying and transferring cost of the stair is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structure stairs, in particular to a mobile steel structure stair. Background Technique

[0002] The steel structure stair is a modern form of stair, which is processed from steel materials such as iron plates, flat steel, round steel, etc. Compared with traditional wooden stairs, the steel structure stair has the following advantages: The steel structure stair is made of steel, with a more solid and firm structure, which can bear a greater weight and ensure the safety of users. The steel has strong design flexibility and can be made into different shapes and styles, making it more beautiful and generous in appearance and more in line with the decoration requirements of modern buildings. The steel has strong anti-corrosion ability and a long service life, and is not easy to get damp and rot. Due to the above advantages, the steel structure stair has been widely used in modern buildings, and can be used not only in public buildings such as shopping malls, office buildings, hotels and other large buildings, but also in private houses, villas and other buildings.

[0003] However, the traditional steel structure stair has the following disadvantages:

[0004] The traditional steel structure stair has an overly large self-volume, and a large-volume transport vehicle is required for handling and transferring, which greatly increases the handling cost of the steel structure stair. Content of the Utility Model

[0005] The purpose of the utility model is to provide a mobile steel structure stair to solve the problem that the traditional steel structure stair has an overly large self-volume and a large-volume transport vehicle is required for handling and transferring, which greatly increases the handling cost of the steel structure stair as mentioned in the above background technique.

[0006] To achieve the above object, the utility model provides the following technical solutions: A mobile steel structure staircase, including a first fixing block, a first height frame is fixedly installed at the top of the first fixing block, a second fixing block is provided on one side of the first fixing block, a second height frame is fixedly installed at the top of the second fixing block, a staircase mechanism is fixedly installed between the first height frame and the second height frame, a limiting mechanism is fixedly installed on one side of the second height frame, the staircase mechanism includes a first support plate and a staircase plate, one side of the first support plate is rotatably connected to the bottom end of the staircase plate, the top end of the staircase plate is rotatably connected to a second support plate, several guardrail members are installed on both sides of the staircase plate, a limiting mechanism is fixedly installed on the side of the second height frame away from the first height frame, the limiting mechanism includes a limiting frame and a lifting platform, a lifting cylinder is fixedly installed in the middle of the limiting frame, the movable end of the lifting cylinder is fixedly connected to the top end of the lifting platform, several reinforcing plates are provided at the bottom end of the lifting platform, ground piles are fixedly installed at the bottom ends of several reinforcing plates, screw rods are rotatably connected to the top ends of several reinforcing plates, and the top ends of several screw rods are threadedly connected to the side of the lifting platform facing them. The lifting cylinder performs telescopic movement, and the lifting cylinder pushes the lifting platform from the top, so that the ground piles are inserted into the installation place to complete the fixation of the second fixing block.

[0007] Preferably, several of the guardrail members each include a direction plate and a first guardrail rod. One end of the direction plate is fixedly connected to the middle of the first guardrail rod. Second guardrail rods are slidably connected to both ends of the first guardrail rod. A direction platform is provided on one side of the direction plate. A self-locking telescopic rod is rotatably connected to one side of the direction platform. The movable end of the self-locking telescopic rod is rotatably connected to the side of the direction plate facing it. When the user releases the fixation of the self-locking telescopic rod, the movable end of the self-locking telescopic rod slides along the fixed end of the self-locking telescopic rod, and the length and angle of the self-locking telescopic rod both change. The self-locking telescopic rod pushes the direction plate from one side, and the direction plate deflects relative to the staircase plate to adjust the protection position of the first guardrail rod. The second guardrail rod slides along the first guardrail rod to adjust the guardrail area of the guardrail member.

[0008] Preferably, the end of the direction plate away from the first guardrail rod is rotatably connected to the side of the staircase plate facing it, and the end of the direction platform is fixedly connected to the side of the staircase plate facing it. The guardrail member is installed on the staircase plate through the direction plate and the direction platform.

[0009] Preferably, a plurality of pedal bodies are fixedly installed at the top end of the stair board. First angle cylinders are rotatably connected to both sides of the first support board. The movable ends of the two first angle cylinders are rotatably connected to the side of the stair board facing them. Second angle cylinders are rotatably connected to both sides of the bottom end of the second support board. The movable ends of the two second angle cylinders are rotatably connected to the side of the stair board facing them. The first angle cylinder performs telescopic and deflection movements, and the first angle cylinder adjusts the angle between the first support board and the stair board. The second angle cylinder performs telescopic and deflection movements, and the second angle cylinder adjusts the angle between the second support board and the stair board.

[0010] Preferably, one end of the first support board is fixedly connected to the first height frame, and one end of the second support board is fixedly connected to the second height frame. The stair mechanism is installed on the first height frame through the first support board, and the stair mechanism is installed on the second height frame through the second support board.

[0011] Preferably, moving wheels are fixedly installed at the bottom ends of the first fixing block and the second fixing block. At both ends of one side of the first fixing block, length shells are fixedly installed. Extension rods are slidably connected inside the two length shells. The ends of the two extension rods away from the length shells are respectively fixedly connected to both ends of one side of the second fixing block. The user slides the extension rods along the length shells to adjust the distance between the first fixing block and the second fixing block. After the stair mechanism is fixed, the user screws a screw through the length shell to fix the extension rod inside the length shell.

[0012] Preferably, one side of the limiting frame is fixedly connected to the side of the second height frame facing it. Hoisting rings are fixedly installed at both ends of the side of the first height frame away from the second height frame. The user limits and fixes the first height frame through the hoisting rings.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: Through the stair mechanism, the first support board pushes the stair board to deflect at an angle along it through the first angle cylinder, and the second support board pushes the stair board to deflect at an angle along it through the second angle cylinder. In this way, the overall volume of the stair mechanism is adjusted, which is convenient for small-volume vehicles to carry and transfer it, reducing the handling and transfer costs of the stairs. Description of the Drawings

[0014] Figure 1 is the side view of the present utility model;

[0015] Figure 2 is the side view of the limiting mechanism of the present utility model;

[0016] Figure 3 is the side view of the stair mechanism of the present utility model;

[0017] Figure 4This is the side view of the guardrail component of the present utility model.

[0018] In the figure: 1. First fixing block; 2. First height frame; 3. Suspension ring; 4. Length shell; 5. Extension rod; 6. Second fixing block; 7. Moving wheel; 8. Limiting mechanism; 81. Limiting frame; 82. Lifting cylinder; 83. Lifting platform; 84. Screw rod; 85. Reinforcing plate; 86. Ground pile; 9. Second height frame; 10. Stair mechanism; 101. Second support plate; 102. Second angle cylinder; 103. Stair tread; 104. Guardrail component; 1041. Direction plate; 1042. First guardrail; 1043. Second guardrail; 1044. Self-locking telescopic rod; 1045. Direction platform; 105. Tread body; 106. First angle cylinder; 107. First support plate. Specific embodiments

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model.

[0020] Please refer to Figures 1-4 , the present utility model provides a mobile steel structure staircase, including a first fixing block 1, a first height frame 2 is fixedly installed at the top of the first fixing block 1, a second fixing block 6 is provided on one side of the first fixing block 1, a second height frame 9 is fixedly installed at the top of the second fixing block 6, a stair mechanism 10 is fixedly installed between the first height frame 2 and the second height frame 9, a limiting mechanism 8 is fixedly installed on one side of the second height frame 9, the stair mechanism 10 includes a first support plate 107 and a stair tread 103, one side of the first support plate 107 is rotatably connected to the bottom end of the stair tread 103, the top end of the stair tread 103 is rotatably connected to a second support plate 101, a plurality of guardrail components 104 are installed on both sides of the stair tread 103, a limiting mechanism 8 is fixedly installed on the side of the second height frame 9 away from the first height frame 2, the limiting mechanism 8 includes a limiting frame 81 and a lifting platform 83, a lifting cylinder 82 is fixedly installed in the middle of the limiting frame 81, the movable end of the lifting cylinder 82 is fixedly connected to the top end of the lifting platform 83, a plurality of reinforcing plates 85 are provided at the bottom end of the lifting platform 83, ground piles 86 are fixedly installed at the bottom ends of the plurality of reinforcing plates 85, a screw rod 84 is rotatably connected to the top end of each of the plurality of reinforcing plates 85, and the top ends of the plurality of screw rods 84 are threadedly connected to the side of the lifting platform 83 facing them. The lifting cylinder 82 performs telescopic movement, and the lifting cylinder 82 pushes the lifting platform 83 from the top, so that the ground pile 86 is inserted into the installation place to complete the fixation of the second fixing block 6.

[0021] A plurality of guardrail members 104 each include a direction plate 1041 and a first guardrail rod 1042. One end of the direction plate 1041 is fixedly connected to the middle of the first guardrail rod 1042. Second guardrail rods 1043 are slidably connected to both ends of the first guardrail rod 1042. A direction platform 1045 is provided on one side of the direction plate 1041. A self-locking telescopic rod 1044 is rotatably connected to one side of the direction platform 1045. The movable end of the self-locking telescopic rod 1044 is rotatably connected to the side of the direction plate 1041 opposite thereto. When the user releases the fixation of the self-locking telescopic rod 1044, the movable end of the self-locking telescopic rod 1044 slides along the fixed end of the self-locking telescopic rod 1044, and both the length and the angle of the self-locking telescopic rod 1044 change. The self-locking telescopic rod 1044 pushes the direction plate 1041 from one side, and the direction plate 1041 deflects relative to the stair plate 103 to adjust the protective position of the first guardrail rod 1042. The second guardrail rod 1043 slides along the first guardrail rod 1042 to adjust the guardrail area of the guardrail member 104.

[0022] The end of the direction plate 1041 away from the first guardrail rod 1042 is rotatably connected to the side of the stair plate 103 opposite thereto. One end of the direction platform 1045 is fixedly connected to the side of the stair plate 103 opposite thereto. The guardrail member 104 is installed on the stair plate 103 through the direction plate 1041 and the direction platform 1045.

[0023] A plurality of pedal bodies 105 are fixedly installed at the top of the stair plate 103. First angle cylinders 106 are rotatably connected to both sides of the first support plate 107. The movable ends of the two first angle cylinders 106 are rotatably connected to the side of the stair plate 103 opposite thereto. Second angle cylinders 102 are rotatably connected to both sides of the bottom end of the second support plate 101. The movable ends of the two second angle cylinders 102 are rotatably connected to the side of the stair plate 103 opposite thereto. The first angle cylinders 106 perform telescopic and deflection movements, and the first angle cylinders 106 adjust the angle between the first support plate 107 and the stair plate 103. The second angle cylinders 102 perform telescopic and deflection movements, and the second angle cylinders 102 adjust the angle between the second support plate 101 and the stair plate 103.

[0024] One end of the first support plate 107 is fixedly connected to the first height frame 2. One end of the second support plate 101 is fixedly connected to the second height frame 9. The stair mechanism 10 is installed on the first height frame 2 through the first support plate 107. The stair mechanism 10 is installed on the second height frame 9 through the second support plate 101.

[0025] At the bottom ends of both the first fixing block 1 and the second fixing block 6, moving wheels 7 are fixedly installed. At both ends on one side of the first fixing block 1, length housings 4 are fixedly installed. Inside both of the two length housings 4, extension rods 5 are slidably connected. The ends of the two extension rods 5 away from the length housings 4 are respectively fixedly connected to both ends on one side of the second fixing block 6. The user slides the extension rods 5 along the length housings 4 to adjust the distance between the first fixing block 1 and the second fixing block 6. After the stair mechanism 10 is fixed, the user screws a screw through the length housing 4 to fix the extension rod 5 inside the length housing 4.

[0026] One side of the limiting frame 81 is fixedly connected to the side of the second height frame 9 facing it. At both ends on the side of the first height frame 2 away from the second height frame 9, suspension rings 3 are fixedly installed. The user limits and fixes the first height frame 2 through the suspension rings 3.

[0027] When the embodiment of the present application is in use: The user limits and fixes the first height frame 2 through the suspension rings 3. The first angle cylinder 106 performs telescopic and deflection movements to adjust the angle between the first support plate 107 and the stair plate 103. The second angle cylinder 102 performs telescopic and deflection movements to adjust the angle between the second support plate 101 and the stair plate 103. Then, the user slides the extension rods 5 along the length housings 4 to adjust the distance between the first fixing block 1 and the second fixing block 6. After the stair mechanism 10 is fixed, the user screws a screw through the length housing 4 to fix the extension rod 5 inside the length housing 4. The user releases the fixation of the self-locking telescopic rod 1044. The movable end of the self-locking telescopic rod 1044 slides along the fixed end of the self-locking telescopic rod 1044, and both the length and the angle of the self-locking telescopic rod 1044 change. The self-locking telescopic rod 1044 pushes the direction plate 1041 from one side, and the direction plate 1041 deflects relative to the stair plate 103 to adjust the protection position of the first guardrail 1042. The second guardrail 1043 slides along the first guardrail 1042 to adjust the guardrail area of the guardrail member 104. The lifting cylinder 82 performs telescopic movement. The lifting cylinder 82 pushes the lifting platform 83 from the top, so that the ground pile 86 is inserted into the installation location to complete the fixation of the second fixing block 6.

[0028] Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A mobile steel structure staircase, comprising a first fixing block (1), characterized in that: A first height frame (2) is fixedly installed at the top of the first fixed block (1). A second fixed block (6) is provided on one side of the first fixed block (1). A second height frame (9) is fixedly installed at the top of the second fixed block (6). A staircase mechanism (10) is fixedly installed between the first height frame (2) and the second height frame (9). A limiting mechanism (8) is fixedly installed on one side of the second height frame (9). The staircase mechanism (10) includes a first support plate (107) and a staircase plate (103). One side of the first support plate (107) is rotatably connected to the bottom end of the staircase plate (103). The top end of the staircase plate (103) is rotatably connected to a second support plate (101). A plurality of guardrail members (104) are installed on both sides of the staircase plate (103). A limiting mechanism (8) is fixedly installed on the side of the second height frame (9) away from the first height frame (2). The limiting mechanism (8) includes a limiting frame (81) and a lifting platform (83). A lifting cylinder (82) is fixedly installed in the middle of the limiting frame (81). The movable end of the lifting cylinder (82) is fixedly connected to the top end of the lifting platform (83). A plurality of reinforcing plates (85) are provided at the bottom end of the lifting platform (83). Ground piles (86) are fixedly installed at the bottom ends of the plurality of reinforcing plates (85). The top ends of the plurality of reinforcing plates (85) are rotatably connected to screw rods (84). The top ends of the plurality of screw rods (84) are threadedly connected to the side of the lifting platform (83) facing them.

2. The mobile steel structure staircase according to claim 1, characterized in that: The plurality of guardrail members (104) each include a direction plate (1041) and a first guardrail rod (1042). One end of the direction plate (1041) is fixedly connected to the middle of the first guardrail rod (1042). Second guardrail rods (1043) are slidably connected to both ends of the first guardrail rod (1042). A direction platform (1045) is provided on one side of the direction plate (1041). A self-locking telescopic rod (1044) is rotatably connected to one side of the direction platform (1045). The movable end of the self-locking telescopic rod (1044) is rotatably connected to the side of the direction plate (1041) facing it.

3. The mobile steel structure staircase according to claim 2, wherein: The end of the direction plate (1041) away from the first guardrail rod (1042) is rotatably connected to the side of the staircase plate (103) facing it. One end of the direction platform (1045) is fixedly connected to the side of the staircase plate (103) facing it.

4. A mobile steel structure staircase according to claim 1, characterized in that: A plurality of pedal bodies (105) are fixedly installed at the top end of the staircase plate (103). First angle cylinders (106) are rotatably connected to both sides of the first support plate (107). The movable ends of the two first angle cylinders (106) are rotatably connected to the side of the staircase plate (103) facing them. Second angle cylinders (102) are rotatably connected to both sides of the bottom end of the second support plate (101). The movable ends of the two second angle cylinders (102) are rotatably connected to the side of the staircase plate (103) facing them.

5. A mobile steel structure staircase according to claim 1, characterized in that: One end of the first support plate (107) is fixedly connected to the first height frame (2), and one end of the second support plate (101) is fixedly connected to the second height frame (9).

6. A mobile steel structure staircase according to claim 1, characterized in that: Moving wheels (7) are fixedly installed at the bottom ends of the first fixing block (1) and the second fixing block (6). At both ends on one side of the first fixing block (1), length housings (4) are fixedly installed. Extension rods (5) are slidably connected inside the two length housings (4), and the ends of the two extension rods (5) away from the length housings (4) are respectively fixedly connected to both ends on one side of the second fixing block (6).

7. A mobile steel structure staircase according to claim 1, characterized in that: One side of the limiting frame (81) is fixedly connected to the side of the second height frame (9) facing it, and lifting rings (3) are fixedly installed at both ends on the side of the first height frame (2) away from the second height frame (9).

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