Prefabricated stair spiral type supporting structure

Abstract

The utility model relates to the technical field of building supporting, and discloses a prefabricated stair spiral supporting structure which comprises a supporting base, an adjusting base is arranged at the top end of the supporting base, a supporting column is installed at the top end of the adjusting base, and a reinforcing steel plate is arranged on one side of the supporting column. The bottom end of the reinforcing steel plate is fixedly connected with a diagonal bracing steel plate, one side of the diagonal bracing steel plate is fixedly connected with a first mounting sleeve, one side of the reinforcing steel plate is fixedly connected with a second mounting sleeve, and the top end of the reinforcing steel plate is fixedly connected with a mounting seat. According to the spiral supporting structure for the prefabricated staircase, the staircase is supported through the staircase supporting plate, the hydraulic cylinder pushes the staircase supporting plate upwards to achieve height supporting adjustment, the supporting angle of the staircase supporting plate can be adjusted according to requirements, and the driving motor is started during adjustment; the driving motor drives the supporting column to rotate to drive the stair supporting plate to adjust the supporting angle, and the problem of inconvenient flexible supporting is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of building supports, in particular to a prefabricated staircase spiral support structure. Background Art

[0002] Stairs are components used for vertical transportation between floors in a building. Stairs must also be installed in multi-story and high-rise buildings that have elevators and escalators as the main means of vertical transportation. During construction, building stairs need to be supported by stair support plates.

[0003] After searching, it was found that common stair support structures have the problem of being difficult to support flexibly when in use. Among them, when the spiral stair support structure is in use, the spacing between the support plates between the support structures is inconvenient to adjust flexibly, thereby reducing the range of stair support. Relying only on the stair support plates for support, there is a problem of poor support stability.

[0004] There is an urgent need for a prefabricated staircase spiral support structure to solve the technical defects proposed in the above technology. Utility Model Content

[0005] The purpose of the present invention is to provide a prefabricated spiral support structure for stairs, so as to solve the problem of inconvenient flexible support in the above-mentioned background technology.

[0006] The top end face of said adjusting base is provided with a toothed structure, and the toothed structure is designed so that said toothed structure can be easily installed on said base and can be easily installed on said base, and can be easily installed on said base.

[0007] Preferably, the top end of the lifting rod is fixedly connected to the bottom end of the adjustment base, and the output end of the driving motor is fixedly connected to the bottom end of the support column.

[0008] Preferably, the support bearing is sleeved on the outside of the support column, and a fixing bolt is provided on the top end of the mounting plate.

[0009] Preferably, a positioning slot is provided at the top of the mounting seat, a positioning block is fixedly connected to the bottom end of the stair support plate, limiting blocks are fixedly connected to both sides of the bottom end of the stair support plate, and limiting slots are fixedly connected to both sides of the mounting seat.

[0010] Furthermore, the bottom end of the positioning card block is embedded in the positioning card slot, and the limiting card block is embedded in the limiting card slot.

[0011] Preferably, the top end of the stair support plate is fixedly connected to an anti-slip pad, and the anti-slip pad is made of rubber, the bottom end of the mounting seat is fixedly connected to a connecting plate, the top end of the connecting plate is provided with a reinforcing bolt, and the bottom end of the reinforcing bolt is embedded in the inside of the reinforcing steel plate.

[0012] Preferably, three groups of reinforcement columns are fixedly connected between the reinforcement steel plate and the diagonal bracing steel plate.

[0013] Preferably, the first mounting sleeve and the second mounting sleeve are both provided with mounting bolts, the first mounting sleeve and the second mounting sleeve are sleeved on the outside of the support column, and the mounting bolts are embedded in the inside of the support column.

[0014] Compared with the prior art, the beneficial effects of the present invention are: the prefabricated staircase spiral support structure not only realizes the function of flexible support, realizes the function of stable support, but also realizes the function of easy replacement;

[0015] (1) By providing a support base, a lifting rod, an adjustment base, a driving motor, a hydraulic cylinder and fixing bolts, when using the support device, it is necessary to first move the device to the bottom of the spiral staircase, and then lock it to the support area with the support base and fixing bolts, and then start the hydraulic cylinder, which pushes the stair support plate upward to achieve height support adjustment. The support angle of the stair support plate can be adjusted according to needs. When adjusting, the driving motor is started, and the driving motor drives the support column to rotate, which drives the stair support plate to adjust the support angle. This structure realizes the function of convenient and flexible support;

[0016] (2) By providing a first mounting sleeve, a second mounting sleeve, mounting bolts, a reinforcing steel plate, a diagonal bracing steel plate and a reinforcing column, the reinforcing steel plate and the diagonal bracing steel plate can support the bottom of the spiral staircase, and the reinforcing steel plate and the diagonal bracing steel plate and the supporting column form a triangular stable support. During the supporting process, the reinforcing column on the diagonal bracing steel plate evenly shares the supporting gravity, thereby realizing the function of uniform support. This structure realizes the function of uniform and stable support of the plate;

[0017] (3) By providing a stair support plate, an anti-slip pad, a positioning block, a limiting block, a reinforcing bolt, a positioning slot and a limiting slot, the stair support plate can be only placed below the spiral stair plate, and the stair support plate is in contact with the floor plate for support. The anti-slip pad on the stair support plate can improve the firmness of the support. The stair support plate can be removed from the supporting equipment. When disassembling, the limiting block on the stair support plate can be moved out from the inside of the limiting slot. This structure realizes the function of easy replacement and improves durability and flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the front cross-sectional structure of the present utility model;

[0019] Figure 2 This is a schematic diagram of the front cross-sectional structure of the adjustable base of the present utility model;

[0020] Figure 3 This is a schematic diagram of the front view structure of the stair support plate of the present invention;

[0021] Figure 4 For the utility model Figure 3 Enlarged structural diagram at point A in the middle.

[0022] In the figure: 1. Support base; 2. Lifting rod; 3. Adjustment base; 4. Drive motor; 5. Support column; 6. First mounting sleeve; 7. Second mounting sleeve; 8. Mounting bolt; 9. Stair support plate; 10. Anti-slip pad; 11. Positioning block; 12. Mounting seat; 13. Reinforcement steel plate; 14. Diagonal bracing steel plate; 15. Reinforcement column; 16. Reserved groove; 17. Hydraulic cylinder; 18. Mounting plate; 19. Support bearing; 20. Fixing bolt; 21. Connecting plate; 22. Limiting block; 23. Reinforcement bolt; 24. Positioning slot; 25. Limiting slot. DETAILED DESCRIPTION

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

[0024] Example 1: Please refer to Figure 1-4A prefabricated staircase spiral support structure includes a support base 1, an adjustable base 3 is provided at the top of the support base 1, a support column 5 is installed at the top of the adjusting base 3, a reinforcing steel plate 13 is provided on one side of the support column 5, the bottom end of the reinforcing steel plate 13 is fixedly connected to the diagonal bracing steel plate 14, one side of the diagonal bracing steel plate 14 is fixedly connected to the first mounting sleeve 6, one side of the reinforcing steel plate 13 is fixedly connected to the second mounting sleeve 7, the top of the reinforcing steel plate 13 is fixedly connected to the mounting seat 12, the top of the mounting seat 12 is installed with a stair support plate 9, a reserved groove 16 is provided at the bottom end of the adjusting base 3, a driving motor 4 is installed inside the reserved groove 16, hydraulic cylinders 17 are installed on both sides of the top of the support base 1, the output end of the hydraulic cylinder 17 is fixedly connected to the lifting rod 2, the bottom ends of both sides of the support base 1 are fixedly connected to the mounting plate 18, and a support bearing 19 is provided at the top of the adjusting base 3;

[0025] The top of the lifting rod 2 is fixedly connected to the bottom of the adjustment base 3, the output end of the drive motor 4 is fixedly connected to the bottom end of the support column 5, the support bearing 19 is sleeved on the outside of the support column 5, and the top of the mounting plate 18 is provided with a fixing bolt 20;

[0026] Specifically, if Figure 1 and Figure 2 As shown, the device is first moved to the bottom of the spiral staircase, and then the support base 1 and the fixing bolts 20 are locked and installed to the support area. Subsequently, the hydraulic cylinder 17 is started, and the hydraulic cylinder 17 pushes the stair support plate 9 upward to achieve height support adjustment. The support angle of the stair support plate 9 can be adjusted according to needs. When adjusting, the drive motor 4 is started, and the drive motor 4 drives the support column 5 to rotate, which can drive the stair support plate 9 to adjust the support angle.

[0027] Embodiment 2: A positioning slot 24 is provided at the top of the mounting seat 12, a positioning block 11 is fixedly connected to the bottom end of the stair support plate 9, and both sides of the bottom end of the stair support plate 9 are fixedly connected to the limiting blocks 22. Both sides of the mounting seat 12 are fixedly connected to the limiting slots 25, and the bottom end of the positioning block 11 is embedded in the interior of the positioning slot 24, and the limiting block 22 is embedded in the interior of the limiting slot 25. The top end of the stair support plate 9 is fixedly connected to the anti-slip pad 10, and the anti-slip pad 10 is made of rubber. The bottom end of the mounting seat 12 is fixedly connected to the connecting plate 21, and the top end of the connecting plate 21 is provided with a reinforcing bolt 23, and the bottom end of the reinforcing bolt 23 is embedded in the interior of the reinforcing steel plate 13;

[0028] Specifically, if Figure 1 、 Figure 3 and Figure 4 As shown, the stair support plate 9 is in contact with the floor for support, and the anti-slip pad 10 on the stair support plate 9 can improve the firmness of the support. The stair support plate 9 can be removed from the supporting device. When disassembling, the limiting block 22 on the stair support plate 9 can be moved out from the limiting slot 25.

[0029] Example 3: Three sets of reinforcement columns 15 are fixedly connected between the reinforcement steel plate 13 and the diagonal bracing steel plate 14. The first mounting sleeve 6 and the second mounting sleeve 7 are both provided with mounting bolts 8. The first mounting sleeve 6 and the second mounting sleeve 7 are sleeved on the outside of the support column 5, and the mounting bolts 8 are embedded in the inside of the support column 5;

[0030] Specifically, if Figure 1 As shown, the reinforcing steel plate 13 and the diagonal bracing steel plate 14 can support the bottom of the spiral staircase. The reinforcing steel plate 13 and the diagonal bracing steel plate 14 form a triangular stable support with the support column 5. During the support process, the reinforcing column 15 on the diagonal bracing steel plate 14 evenly shares the supported gravity, thereby realizing the function of uniform support.

[0031] When the stair support plate 9 is lowered to the ground, the support plate 9 is lifted up and the support column 5 is lifted up, so that the stair support plate 9 can be adjusted to the required height.

[0032] It will be apparent 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 characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A prefabricated staircase spiral support structure, comprising a support base (1), characterized in that: The top of the support base (1) is provided with an adjustment base (3), the top of the adjustment base (3) is installed with a support column (5), one side of the support column (5) is provided with a reinforcement steel plate (13), the bottom end of the reinforcement steel plate (13) is fixedly connected to a diagonal bracing steel plate (14), one side of the diagonal bracing steel plate (14) is fixedly connected to a first mounting sleeve (6), one side of the reinforcement steel plate (13) is fixedly connected to a second mounting sleeve (7), and the top of the reinforcement steel plate (13) is fixedly connected to a mounting seat (12) The top of the mounting seat (12) is provided with a stair support plate (9), the bottom of the adjusting base (3) is provided with a reserved groove (16), the inside of the reserved groove (16) is provided with a driving motor (4), hydraulic cylinders (17) are provided on both sides of the top of the supporting base (1), the output end of the hydraulic cylinder (17) is fixedly connected to the lifting rod (2), the bottom ends of both sides of the supporting base (1) are fixedly connected to the mounting plates (18), and the top of the adjusting base (3) is provided with a support bearing (19).

2. The prefabricated staircase spiral support structure according to claim 1, characterized in that: The top end of the lifting rod (2) is fixedly connected to the bottom end of the adjustment base (3), and the output end of the driving motor (4) is fixedly connected to the bottom end of the support column (5).

3. The prefabricated staircase spiral support structure according to claim 1, characterized in that: The support bearing (19) is sleeved on the outside of the support column (5), and a fixing bolt (20) is provided on the top end of the mounting plate (18).

4. The prefabricated staircase spiral support structure according to claim 1, characterized in that: The top end of the mounting seat (12) is provided with a positioning card slot (24), the bottom end of the stair support plate (9) is fixedly connected to a positioning card block (11), both sides of the bottom end of the stair support plate (9) are fixedly connected to limiting card blocks (22), and both sides of the mounting seat (12) are fixedly connected to limiting card slots (25).

5. The prefabricated staircase spiral support structure according to claim 4, characterized in that: The bottom end of the positioning card block (11) is embedded in the interior of the positioning card slot (24), and the limiting card block (22) is embedded in the interior of the limiting card slot (25).

6. The prefabricated staircase spiral support structure according to claim 1, characterized in that: The top end of the stair support plate (9) is fixedly connected to an anti-skid pad (10), and the anti-skid pad (10) is made of rubber. The bottom end of the mounting seat (12) is fixedly connected to a connecting plate (21), and the top end of the connecting plate (21) is provided with a reinforcing bolt (23), and the bottom end of the reinforcing bolt (23) is embedded in the interior of the reinforcing steel plate (13).

7. The prefabricated staircase spiral support structure according to claim 1, characterized in that: Three groups of reinforcement columns (15) are fixedly connected between the reinforcement steel plate (13) and the diagonal bracing steel plate (14).

8. The prefabricated staircase spiral support structure according to claim 1, characterized in that: The first mounting sleeve (6) and the second mounting sleeve (7) are both provided with mounting bolts (8); the first mounting sleeve (6) and the second mounting sleeve (7) are sleeved on the outside of the support column (5); and the mounting bolts (8) are embedded in the inside of the support column (5).

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