Adjustable support device for assembled floor and support method thereof

Abstract

The present invention discloses an adjustable support device for prefabricated floor slabs and a support method thereof, comprising a connecting seat, which is arranged above the base plate, a support column is arranged above the connecting seat, an upper end of the support column is provided with a socket, and a support plate is arranged above the support column; a telescopic cavity, which is arranged at both ends of the support plate, a fixed seat is provided on both sides of the support plate, and a connecting plate is provided inside the two telescopic cavities; a hydraulic cylinder is arranged inside the connecting seat. The main body of the support device is assembled in a splicing manner. When in use, it is assembled according to the height of the prefabricated floor slab, and then the support plate is lifted with the help of the hydraulic cylinder so that the support plate and the prefabricated floor slab are in close contact. Movable fixed seats are provided on both sides of the support plate, and the fixed seats can be telescopically adjusted according to the width of the prefabricated floor slab, so that the prefabricated floor slab is evenly stressed. After use, it can be quickly disassembled and reused, thereby improving the use effect of the support device.

Description

Technical Field

[0001] The present invention relates to the technical field of floor slab support, and in particular to an adjustable support device for assembled floor slabs and a support method thereof. Background Art

[0002] Support structures are very common in building structures. Some facilities must be supported in advance to prevent collapse due to inadequate security. Steel support frames are widely used due to their light weight, high strength, good overall rigidity, and strong deformation capacity. Composite floor slabs are widely used in prefabricated buildings due to their good integrity, high rigidity, reduced formwork requirements, and smooth upper and lower surfaces, which facilitates finishing. Prefabricated floor slabs require support devices during construction.

[0003] The Chinese patent publication number is CN110714620A, and the authorization announcement date is January 21, 2020. The adjustable support system for prefabricated floor slabs includes a frame beam and a simple support adjustment mechanism. A groove is provided on the upper surface of the frame beam, and a bubble level is fixedly arranged in the groove. Support legs are provided at both ends of the lower surface of the frame beam, and threaded holes are provided on the upper surface of the support legs and the lower surface of the frame beam. A first adjusting bolt is movably arranged in the threaded hole. The structure of the present invention is simple and safe, and it is convenient for workers to set up, saving time and labor. It can effectively improve the assembly and construction efficiency of the composite floor slabs, and can also be recycled and reused, reducing costs. It is provided with related structures such as frame beams, support legs, first adjusting bolts and bubble levels, so that the present invention can be adjusted according to the level of the construction ground when in use to ensure that the I-beam is in a horizontal state, thereby facilitating the laying of prefabricated floor slabs and improving construction efficiency.

[0004] The existing support device is assembled by welding. The structure of the assembled support device is fixed and the support device cannot be fine-tuned during use. There is a gap between the prefabricated floor slab and the prefabricated floor slab when supporting the prefabricated floor slab, and a wedge needs to be used. The welded assembled support device cannot be used to support prefabricated floor slabs of different heights and basically cannot be reused after disassembly, which reduces the use effect of the support device and cannot meet the use requirements. Summary of the Invention

[0005] The object of the present invention is to provide an adjustable support device for prefabricated floor slabs and a support method thereof, so as to solve the problem proposed in the above background technology that the existing support device adopts a welding assembly method, the assembled support device structure is fixed, the support device cannot be fine-tuned when in use, there is a gap between the prefabricated floor slabs and the prefabricated floor slabs when supporting the prefabricated floor slabs, and a wedge needs to be used. The welded assembled support device cannot be used to support prefabricated floor slabs of different heights, and basically cannot be reused after disassembly, which reduces the use effect of the support device and cannot meet the use requirements.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: an adjustable support device for a prefabricated floor, comprising a base plate and:

[0007] A connecting seat is provided above the base plate and is fixedly connected to the base plate. A support column is provided above the connecting seat, and one end of the support column extends into the interior of the connecting seat. The support column is movably connected to the connecting seat. A socket is provided at the upper end of the support column. A support plate is provided above the support column, and the cross-section of the support plate is T-shaped. The lower end of the support plate extends into the interior of the socket, and the support plate is clamped with the support column.

[0008] A telescopic cavity is provided at both ends of the support plate, and there are two telescopic cavities. A fixing seat is provided on both sides of the support plate, and there are two fixing seats, and the two fixing seats and the upper end surface of the support plate are arranged on the same horizontal plane. A connecting plate is provided inside the two telescopic cavities, and the connecting plate is slidably connected to the support plate. One end of the connecting plate is fixedly connected to the fixing seat, and a fixing bolt is provided on the two fixing seats, and the fixing bolt is matched with the fixing seat;

[0009] A hydraulic cylinder is disposed inside the connecting seat, with the lower end of the hydraulic cylinder fixedly connected to the base plate, and the telescopic end of the hydraulic cylinder is in contact with the lower end of the support column;

[0010] An anchor bolt is arranged on the bottom plate. Two anchor bolts are provided, and the two anchor bolts are arranged on both sides of the connecting seat. The anchor bolts are movably connected to the bottom plate.

[0011] Preferably, a reinforcement block is provided under the support plate, and there are two reinforcement blocks, and the two reinforcement blocks are provided on both sides of the support column, and the two ends of the reinforcement block are respectively fitted with the side wall of the support column and the lower end of the support plate, and the side wall of the support plate and the lower end of the connecting plate are both provided with a first threaded hole, and a second locking bolt is provided on one side of the reinforcement block, and the second locking bolt is provided corresponding to the first threaded hole, and the second locking bolt is threadedly connected to the support plate and the connecting plate.

[0012] Preferably, a plug is provided at the lower end of the support column, and the plug is fixedly connected to the support column, the plug and the jack are arranged correspondingly, assembly holes are provided on both side walls of the support column, second threaded holes are provided on both side walls of the plug, and the second threaded holes are arranged correspondingly to the assembly holes, a first locking bolt is provided inside the assembly hole, and the first locking bolt is movably connected to the support column, the first locking bolt is threadedly connected to the plug, a rubber pad is provided at the upper end of the support column, and the rubber pad is connected to the support column as a whole.

[0013] Preferably, a gasket is provided under the base plate, and the gasket is provided corresponding to the anchor bolt, a through hole is provided at the center of the gasket, and the gasket is movably connected to the anchor bolt, a third threaded hole is provided at the lower end of the gasket, a connecting head is provided at the upper end of the gasket, and the connecting head and the gasket are integrated, one end of the connecting head extends to the inside of the third threaded hole, and the connecting head is threadedly connected to the gasket.

[0014] Preferably, a level is provided on one side of the support plate, and the level is connected to the support plate by screws.

[0015] Preferably, tooth rows are provided on both side walls of the support column, and the tooth rows and the support column are integrated, a groove is provided on the inner wall of the connecting seat, two grooves are provided, and the two grooves are provided on both sides of the support column, tooth blocks are provided inside the two grooves, and the tooth blocks are movably connected to the connecting seat, the tooth blocks are meshed with the tooth rows, and electric telescopic rods are provided on both sides of the connecting seat, two electric telescopic rods are provided, and the two ends of the two electric telescopic rods are fixedly connected to the connecting seat and the tooth blocks respectively.

[0016] Preferably, the upper ends of the support plate and the fixed seat are provided with anti-slip shock-absorbing pads, and the anti-slip shock-absorbing pads are integrated with the support plate and the fixed seat, and balls are provided on both side walls of the connecting plate, and the balls are rollingly connected to the support plate and the connecting plate.

[0017] A supporting method for an adjustable supporting device for an assembled floor slab, comprising the following steps:

[0018] Step 1: Place the support device under the prefabricated floor slab to be supported, splice multiple support columns into one according to the floor slab support height, and adjust the distance between the support plate and the prefabricated floor slab to an appropriate distance;

[0019] Step 2: Use a level to measure the level of the support plate, connect the gaskets according to the measured level, change the height of the two ends of the bottom plate, adjust the level of the support plate, and adjust the support plate to be level with the assembled floor slab;

[0020] Step 3: Use anchor bolts to secure the base plate to the ground, pull the connecting plate out of the telescopic cavity, adjust the distance between the two fixing seats to the same width as the assembled floor slab, secure the reinforcement block with the second locking bolt, and secure the pulled-out connecting plate;

[0021] Step 4: Drive the hydraulic cylinder to drive the support column to rise. As the support column rises, the support plate and the fixing seat are in contact with the lower end of the assembled floor slab. Drive the electric telescopic rod to move the gear block, engage the gear block with the gear row, and limit and fix the support column.

[0022] Step 5: Use fixing bolts to connect the fixing base to the prefabricated floor slab to support the prefabricated floor slab.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] 1. This device, through the arrangement of support columns, sockets, plugs, and hydraulic cylinders, can quickly connect multiple support columns by inserting the plug into the socket to connect to another support column, changing the height of the support body and facilitating the support of prefabricated floor slabs of different heights. The hydraulic cylinder drives the support columns up and down, and the height of the support plate is fine-tuned, so that the support plate and the lower end of the prefabricated floor slab are tightly fitted to achieve the support function. The support device has an adjustable function.

[0025] 2. This invention's device utilizes a telescopic cavity, a fixed seat, a connecting plate, a reinforcing block, and a second locking bolt. The connecting plate expands and contracts within the telescopic cavity, and the distance between the two fixing seats is adjusted by the extension and contraction of the connecting plate. This distance can be adjusted to the same width as the prefabricated floor slab, making it easier to support prefabricated floor slabs of different widths. The reinforcing block increases the connection strength between the support plate and the support column, and the second locking bolt secures the telescopic connecting plate, improving the support effect of the prefabricated floor slab.

[0026] 3. The device of the invention uses anchor bolts, a level, and gaskets to install and secure the support device. The level measures the inclination of the support plate. The gaskets can be threaded together. By changing the number of gasket connections, the height of the two ends of the base plate can be adjusted, thereby adjusting the inclination of the support plate, so that the support plate is parallel to the prefabricated floor slab to be supported.

[0027] 4. The invented device is provided with an electric telescopic rod, a tooth row and a tooth block. The electric telescopic rod drives the tooth block to move, connects the tooth block to the tooth row, and plays a limiting role on the supporting structure, thereby ensuring the support stability of the prefabricated floor. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0029] Figure 2 is a cross-sectional view of the present invention;

[0030] Figure 3 For the present invention Figure 2 A partial enlarged view of area A;

[0031] Figure 4 A diagram showing the connection relationship between the connecting plate and the supporting plate of the present invention;

[0032] Figure 5 A diagram showing the connection relationship between the plug and the jack of the present invention;

[0033] Figure 6 This is a front view of the gasket of the present invention;

[0034] Figure 7 It is a rear view of the gasket of the present invention.

[0035] In the figure: 1. Base plate; 2. Connecting seat; 3. Support column; 4. Rubber pad; 5. First locking bolt; 6. Electric telescopic rod; 7. Anchor bolt; 8. Gasket; 9. Support plate; 10. Level; 11. Reinforcement block; 12. Fixed seat; 13. Connecting plate; 14. Fixed bolt; 15. Telescopic cavity; 16. Second locking bolt; 17. First threaded hole; 18. Socket; 19. Plug; 20. Hydraulic cylinder; 21. Gear row; 22. Groove; 23. Gear block; 24. Anti-slip shock-absorbing pad; 25. Ball; 26. Connector; 27. Second threaded hole; 28. Assembly hole; 29. ​​Through hole; 30. Third threaded hole. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0037] See also Figure 1-7 The present invention provides an embodiment of an adjustable support device for a prefabricated floor, comprising a base plate 1 and further comprising:

[0038] A connecting base 2 is provided above the base plate 1 and is fixedly connected to the base plate 1. A support column 3 is provided above the connecting base 2, and one end of the support column 3 extends to the interior of the connecting base 2. The support column 3 is movably connected to the connecting base 2. A socket 18 is provided at the upper end of the support column 3. A support plate 9 is provided above the support column 3, and the cross-section of the support plate 9 is T-shaped. The lower end of the support plate 9 extends to the interior of the socket 18, and the support plate 9 is clamped with the support column 3.

[0039] The telescopic cavity 15 is provided at both ends of the support plate 9. There are two telescopic cavities 15. A fixed seat 12 is provided on both sides of the support plate 9. There are two fixed seats 12, and the two fixed seats 12 and the upper end surface of the support plate 9 are arranged on the same horizontal plane. A connecting plate 13 is provided inside the two telescopic cavities 15, and the connecting plate 13 is slidably connected to the support plate 9. One end of the connecting plate 13 is fixedly connected to the fixed seat 12. A fixing bolt 14 is provided on each of the two fixed seats 12, and the fixing bolt 14 is matched with the fixed seat 12;

[0040] The hydraulic cylinder 20 is disposed inside the connecting base 2, and the lower end of the hydraulic cylinder 20 is fixedly connected to the base plate 1, and the telescopic end of the hydraulic cylinder 20 is in contact with the lower end of the support column 3;

[0041] The anchor bolt 7 is provided on the base plate 1 . Two anchor bolts 7 are provided, and the two anchor bolts 7 are provided on both sides of the connecting seat 2 . The anchor bolts 7 are movably connected to the base plate 1 .

[0042] During use: place the supporting device under the prefabricated floor to be supported, splice multiple supporting columns 3 according to the support height of the floor, pull the connecting plate 13 out of the telescopic cavity 15 according to the width of the prefabricated floor, adjust the distance between the two fixing seats 12 to the same as the width of the prefabricated floor, adjust the distance between the supporting plate 9 and the prefabricated floor to an appropriate distance, use the anchor bolts 7 to fix the supporting device, drive the hydraulic cylinder 20 to drive the supporting column 3 to rise, and make the supporting plate 9 in close contact with the lower end of the prefabricated floor to support the prefabricated floor.

[0043] See also Figure 1 、 Figure 2 and Figure 3 A reinforcing block 11 is provided under the support plate 9. There are two reinforcing blocks 11, and the two reinforcing blocks 11 are provided on both sides of the support column 3. The two ends of the reinforcing block 11 are respectively fitted with the side wall of the support column 3 and the lower end of the support plate 9. The side wall of the support plate 9 and the lower end of the connecting plate 13 are provided with a first threaded hole 17. A second locking bolt 16 is provided on one side of the reinforcing block 11, and the second locking bolt 16 is corresponding to the first threaded hole 17. The second locking bolt 16 is threadedly connected to the support plate 9 and the connecting plate 13. The structural strength of the connection between the support plate 9 and the support column 3 is increased by the reinforcing block 11, and the stability of the support plate 9 is improved. The second locking bolt 16 can fix the pulled-out fixing seat 12, thereby improving the stability of the force-bearing structure.

[0044] See also Figure 1 、 Figure 2 and Figure 5 , a plug 19 is provided at the lower end of the support column 3, and the plug 19 is fixedly connected to the support column 3, and the plug 19 is corresponding to the socket 18. Assembly holes 28 are provided on both side walls of the support column 3, and second threaded holes 27 are provided on both side walls of the plug 19, and the second threaded holes 27 are corresponding to the assembly holes 28. A first locking bolt 5 is provided inside the assembly hole 28, and the first locking bolt 5 is movably connected to the support column 3. The first locking bolt 5 is threadedly connected to the plug 19, and a rubber pad 4 is provided at the upper end of the support column 3, and the rubber pad 4 is connected to the support column 3 as a whole. The two support columns 3 are spliced ​​by aligning the plug 19 with the socket 18 and inserting it. According to the above method, multiple support columns 3 can be quickly spliced ​​to change the height of the support body. The first locking bolt 5 fixes the connected plug 19 to improve the stability of the support structure.

[0045] See also Figure 1 、 Figure 2 、 Figure 6 and Figure 7A gasket 8 is provided under the base plate 1, and the gasket 8 is provided corresponding to the anchor bolt 7. A through hole 29 is provided at the center of the gasket 8, and the gasket 8 is movably connected to the anchor bolt 7. A third threaded hole 30 is provided at the lower end of the gasket 8, and a connecting head 26 is provided at the upper end of the gasket 8, and the connecting head 26 and the gasket 8 are integrated. One end of the connecting head 26 extends to the inside of the third threaded hole 30, and the connecting head 26 is threadedly connected to the gasket 8. The gasket 8 can be connected by the connecting head 26 and the third threaded hole 30. The inclination of the support plate 9 can be indirectly adjusted by changing the number of gasket 8 connections, so that the support plate 9 is consistent with the inclination of the prefabricated floor slab, and the force is evenly distributed when supporting the prefabricated floor slab.

[0046] See also Figure 1 A level 10 is provided on one side of the support plate 9, and the level 10 is connected to the support plate 9 by screws. The inclination of the support plate 9 is measured by the level 10, which facilitates the adjustment of the inclination of the support plate 9.

[0047] See also Figure 1 and Figure 2 , tooth rows 21 are provided on both side walls of the support column 3, and the tooth rows 21 are integrated with the support column 3, and a groove 22 is provided on the inner wall of the connecting seat 2, and there are two grooves 22, and the two grooves 22 are provided on both sides of the support column 3, and tooth blocks 23 are provided inside the two grooves 22, and the tooth blocks 23 are movably connected to the connecting seat 2, and the tooth blocks 23 are meshed with the tooth rows 21. Electric telescopic rods 6 are provided on both sides of the connecting seat 2, and there are two electric telescopic rods 6, and the two ends of the two electric telescopic rods 6 are fixedly connected to the connecting seat 2 and the tooth blocks 23 respectively. The tooth blocks 23 are driven to move by the electric telescopic rods 6 to connect the tooth blocks 23 with the tooth rows 21, which plays a limiting role in the lifted support column 3 and improves the stability of the supporting body.

[0048] See also Figure 2 and Figure 4 The upper ends of the support plate 9 and the fixed seat 12 are both provided with anti-slip shock-absorbing pads 24, and the anti-slip shock-absorbing pads 24 are integrated with the support plate 9 and the fixed seat 12. Balls 25 are provided on both side walls of the connecting plate 13, and the balls 25 are rollingly connected to the support plate 9 and the connecting plate 13.

[0049] A supporting method for an adjustable supporting device for an assembled floor slab, comprising the following steps:

[0050] Step 1: Place the support device under the prefabricated floor to be supported, splice multiple support columns 3 into one according to the floor support height, and adjust the distance between the support plate 9 and the prefabricated floor to an appropriate distance;

[0051] Step 2: Use the level 10 to measure the level of the support plate 9, connect the gasket 8 according to the measured level, change the height of the two ends of the bottom plate 1, adjust the level of the support plate 9, and adjust the support plate 9 to be level with the assembled floor slab;

[0052] Step 3: Use the anchor bolts 7 to fix the base plate 1 to the ground, pull the connecting plate 13 out of the telescopic cavity 15, adjust the distance between the two fixing seats 12 to the same width as the assembled floor, use the second locking bolt 16 to fix the reinforcement block 11, and fix the pulled-out connecting plate 13;

[0053] Step 4: Drive the hydraulic cylinder 20 to drive the support column 3 to rise. As the support column 3 rises, the support plate 9 and the fixing seat 12 are in contact with the lower end of the assembled floor slab. The electric telescopic rod 6 is driven to move the gear block 23, and the gear block 23 is engaged with the gear row 21 to limit and fix the support column 3.

[0054] Step 5: Use the fixing bolts 14 to connect the fixing base 12 to the prefabricated floor slab, thereby supporting the prefabricated floor slab.

[0055] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0056] While 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 these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable support device for a prefabricated floor, comprising a base plate (1), characterized in that: Also includes: A connecting seat (2) is arranged above the base plate (1), and the connecting seat (2) is fixedly connected to the base plate (1); a support column (3) is arranged above the connecting seat (2), and one end of the support column (3) extends to the inside of the connecting seat (2); the support column (3) is movably connected to the connecting seat (2); a socket (18) is arranged at the upper end of the support column (3); a support plate (9) is arranged above the support column (3), and the cross section of the support plate (9) is T-shaped; the lower end of the support plate (9) extends to the inside of the socket (18), and the support plate (9) is clamped with the support column (3); The telescopic cavity (15) is provided at both ends of the support plate (9), and there are two telescopic cavities (15). A fixed seat (12) is provided on both sides of the support plate (9), and there are two fixed seats (12). The upper end surfaces of the two fixed seats (12) and the support plate (9) are arranged on the same horizontal plane. A connecting plate (13) is provided inside the two telescopic cavities (15), and the connecting plate (13) is slidably connected to the support plate (9). One end of the connecting plate (13) is fixedly connected to the fixed seat (12). A fixing bolt (14) is provided on the two fixed seats (12), and the fixing bolt (14) is matched with the fixed seat (12); A hydraulic cylinder (20) is arranged inside the connecting seat (2), and the lower end of the hydraulic cylinder (20) is fixedly connected to the bottom plate (1), and the telescopic end of the hydraulic cylinder (20) is in contact with the lower end of the support column (3); An anchor bolt (7) is arranged on the base plate (1), two anchor bolts (7) are provided, and the two anchor bolts (7) are arranged on both sides of the connecting seat (2), the anchor bolt (7) is movably connected to the base plate (1), a gasket (8) is provided below the base plate (1), and the gasket (8) and the anchor bolt (7) are arranged correspondingly, a through hole (29) is provided at the center of the gasket (8), and the gasket (8) and the anchor bolt (7) are movably connected, and the gasket A third threaded hole (30) is provided at the lower end of the gasket (8), a connector (26) is provided at the upper end of the gasket (8), and the connector (26) and the gasket (8) are integrated, one end of the connector (26) extends to the inside of the third threaded hole (30), and the connector (26) is threadedly connected to the gasket (8), a level (10) is provided on one side of the support plate (9), and the level (10) and the support plate (9) are connected by screws.

2. The adjustable support device for prefabricated floor slabs according to claim 1, characterized in that: A reinforcing block (11) is provided below the support plate (9), two reinforcing blocks (11) are provided, and the two reinforcing blocks (11) are provided on both sides of the support column (3), the two ends of the reinforcing block (11) are respectively fitted with the side wall of the support column (3) and the lower end of the support plate (9), the side wall of the support plate (9) and the lower end of the connecting plate (13) are both provided with a first threaded hole (17), a second locking bolt (16) is provided on one side of the reinforcing block (11), and the second locking bolt (16) is provided corresponding to the first threaded hole (17), and the second locking bolt (16) is threadedly connected to the support plate (9) and the connecting plate (13).

3. The adjustable support device for prefabricated floor slabs according to claim 2, characterized in that: The lower end of the support column (3) is provided with a plug (19), and the plug (19) is fixedly connected to the support column (3), and the plug (19) is correspondingly arranged with the jack (18), and both side walls of the support column (3) are provided with an assembly hole (28), and both side walls of the plug (19) are provided with a second threaded hole (27), and the second threaded hole (27) is correspondingly arranged with the assembly hole (28), and a first locking bolt (5) is provided inside the assembly hole (28), and the first locking bolt (5) is movably connected to the support column (3), and the first locking bolt (5) is threadedly connected to the plug (19), and the upper end of the support column (3) is provided with a rubber pad (4), and the rubber pad (4) is connected to the support column (3) as a whole.

4. The adjustable support device for prefabricated floor slabs according to claim 3, characterized in that: A tooth row (21) is provided on both side walls of the support column (3), and the tooth row (21) and the support column (3) are integrated. A groove (22) is provided on the inner wall of the connecting seat (2), and two grooves (22) are provided. The two grooves (22) are provided on both sides of the support column (3). A tooth block (23) is provided inside the two grooves (22), and the tooth block (23) is movably connected to the connecting seat (2). The tooth block (23) is meshed with the tooth row (21). Electric telescopic rods (6) are provided on both sides of the connecting seat (2), and two electric telescopic rods (6) are provided. The two ends of the two electric telescopic rods (6) are respectively fixedly connected to the connecting seat (2) and the tooth block (23).

5. The adjustable support device for prefabricated floor slabs according to claim 4, characterized in that: The upper ends of the support plate (9) and the fixing seat (12) are both provided with anti-skid shock-absorbing pads (24), and the anti-skid shock-absorbing pads (24) are integrated with the support plate (9) and the fixing seat (12). Ball bearings (25) are both provided on the two side walls of the connecting plate (13), and the ball bearings (25) are rollingly connected to the support plate (9) and the connecting plate (13).

6. A supporting method for an adjustable supporting device for a prefabricated floor slab according to claim 5, characterized in that: The following steps are involved: Step 1: Place the support device below the prefabricated floor to be supported, splice multiple support columns (3) into one according to the floor support height, and adjust the distance between the support plate (9) and the prefabricated floor to an appropriate distance; Step 2: Measure the levelness of the support plate (9) with the help of a level (10), connect the gasket (8) according to the measured levelness, change the height of the two ends of the bottom plate (1), adjust the levelness of the support plate (9), and adjust the support plate (9) to be level with the assembled floor; Step 3: Use anchor bolts (7) to fix the base plate (1) to the ground, pull the connecting plate (13) out of the telescopic cavity (15), adjust the distance between the two fixing seats (12) to the same as the width of the assembled floor, use the second locking bolt (16) to fix the reinforcement block (11), and fix the pulled-out connecting plate (13); Step 4: driving the hydraulic cylinder (20) to drive the support column (3) to rise, and as the support column (3) rises, the support plate (9) and the fixing seat (12) are brought into contact with the lower end of the assembled floor slab, and the electric telescopic rod (6) is driven to drive the tooth block (23) to move, and the tooth block (23) is engaged with the tooth row (21), thereby limiting and fixing the support column (3); Step 5: Use the fixing bolts (14) to connect the fixing base (12) to the assembled floor slab, thereby supporting the assembled floor slab.

Images