A spliced autoclaved aerated concrete board and its preparation method

Abstract

The present invention discloses a spliced autoclaved aerated concrete plate and a preparation method thereof. The spliced autoclaved aerated concrete plate comprises a splicing box and a plate, and the plate is arranged in the splicing box. An extension plate is fixedly connected to the left side of the splicing box, and a control box is connected to the right side of the splicing box. A plug board is fixedly connected to the right inner wall of the extension plate, and two auxiliary plates are symmetrically and fixedly connected to the right inner wall of the extension plate. By setting two splicing boxes, the extension plate of one splicing box is sleeved outside the control box. At this time, as the extension plate moves, the control box can control the first fixing plate and the second fixing plate to fix the auxiliary plate, so as to achieve the effect of fixing the extension plate. At the same time, by controlling the movement of the positioning plate, the positioning plate contacts the top of the extension plate, and the whole device can be locked, so as to ensure the connection of the two splicing plates and achieve the effect of splicing the plates.

Description

Technical Field

[0001] The present invention relates to the technical field of autoclaved aerated concrete slabs, and in particular to a spliced autoclaved aerated concrete slab and a preparation method thereof. Background Art

[0002] When the autoclaved aerated concrete slabs in the prior art are in use, it is rather troublesome to splice the slabs. Usually, the whole slabs need to be aligned and then piled up by experienced workers, which is rather troublesome to work and greatly reduces the overall construction process. Therefore, we propose a spliced autoclaved aerated concrete slab and a preparation method thereof to solve the above problems. Summary of the Invention

[0003] Based on the technical problems existing in the background art, the present invention proposes a spliced autoclaved aerated concrete slab and a preparation method thereof.

[0004] A spliced autoclaved aerated concrete slab proposed by the present invention includes a splicing box and a slab, and the slab is arranged in the splicing box. A extension plate is fixedly connected to the left side of the splicing box, and a control box is connected to the right side of the splicing box. A plug board is fixedly connected to the right inner wall of the extension plate, and two auxiliary plates are symmetrically and fixedly connected to the right inner wall of the extension plate. A movable tube is fixedly connected to the left inner wall of the control box, and the right side of the movable tube extends outside the control box. A threaded ring is slidably connected in the movable tube, and the top and bottom of the threaded ring extend into the control box. A gear is rotatably connected to the left inner wall of the control box, and a threaded column is fixedly connected to the right side of the gear. The outer wall of the threaded column is threadedly connected to the inner wall of the threaded ring. A rack is slidably connected to the left inner wall of the control box, and the rack is meshed with the gear. A fixing mechanism and an auxiliary mechanism are arranged in the control box.

[0005] With the above mechanism: by setting the splicing box, the slab can be arranged in the splicing box through the splicing box, so as to facilitate the splicing of the slab. By setting the plug board, the plug board moves along with the movement of the extension plate. At this time, the plug board can contact the threaded ring and control the movement of the threaded ring. By setting the movable tube, the movable tube plays a role in carrying the threaded ring while restricting the lateral movement of the threaded ring. By setting the gear, the gear rotates along with the rotation of the threaded column, so as to control the movement of the rack. By setting the first fixing plate and the second fixing plate, controlling the movement of the first fixing plate and the second fixing plate can fix the auxiliary plate, so as to synchronously fix the extension plate.

[0006] Preferably, the fixing mechanism includes a push plate, a sliding plate, a connecting plate, a matching plate, a second fixing plate, a movable plate and a first fixing plate. The push plate is rotatably connected to the bottom of the rack. The sliding plate is slidably connected to the bottom inner wall of the control box, and the top of the sliding plate is rotatably connected to the bottom of the push plate. The connecting plate is rotatably connected to the top of the sliding plate. The matching plate is slidably connected to the right inner wall of the control box, and the left side of the matching plate is rotatably connected to the top of the connecting plate. The second fixing plate is slidably connected to the right inner wall of the control box, and the top of the second fixing plate is fixedly connected to the bottom of the matching plate. The right side of the second fixing plate extends outside the control box. The movable plate is rotatably connected to the top of the threaded ring. The first fixing plate is slidably connected to the right inner wall of the control box, and the bottom of the first fixing plate is rotatably connected to the top of the movable plate. The right side of the first fixing plate extends outside the control box.

[0007] Further, by providing the fixing mechanism, the fixing mechanism can control the movement of the first fixing plate and the second fixing plate. At this time, with the movement of the first fixing plate and the second fixing plate, the auxiliary plate can be effectively fixed. At this time, by fixing the auxiliary plate, the extension plate can be fixed, which is convenient for connecting the plates.

[0008] Preferably, two sliding grooves are symmetrically provided on the right side of the control box, and the inner wall of the upper sliding groove is slidably connected to the first fixing plate, and the inner wall of the lower sliding groove is slidably connected to the second fixing plate.

[0009] Further, by providing the sliding grooves, the sliding grooves play an effect of assisting the movement of the first fixing plate and the second fixing plate, and at the same time limit the longitudinal movement of the first fixing plate and the second fixing plate.

[0010] Preferably, the auxiliary mechanism includes a control plate, a rotating disk, a starting plate, a lifting plate, a hollow plate and a positioning plate. The control plate is fixedly connected to the top of the rack. The rotating disk is rotatably connected to the rear inner wall of the control box. The starting plate is slidably connected to the top of the control plate. The lifting plate is slidably connected to the front inner wall of the control box. The hollow plate is fixedly connected to the top of the lifting plate. The positioning plate is slidably connected in the hollow plate and is in movable contact with the right side of the splicing box.

[0011] Further, by providing the auxiliary mechanism, the auxiliary mechanism can control the movement of the hollow plate. At this time, the positioning plate moves synchronously. By controlling the movement of the positioning plate, the positioning plate can contact the top of the extension plate, thereby locking the whole device and ensuring the overall connection stability.

[0012] Preferably, a third spring is fixedly connected to the right side of the positioning plate, and one end of the third spring is fixedly connected to the right inner wall of the hollow plate. A fixing hole is provided at the top of the extension plate, and the hollow plate is movably connected to the fixing hole.

[0013] Furthermore, by providing fixing holes, the hollow plate can penetrate through the extension plate with the assistance of the fixing holes. At the same time, by providing the third spring, the elastic force of the third spring can push the positioning plate to move. At this time, the positioning plate contacts the top of the extension plate to lock the extension plate.

[0014] Preferably, a second spring is fixedly connected to the bottom of the control plate, and one end of the second spring is fixedly connected to the top of the movable tube.

[0015] Furthermore, by providing the second spring, the elastic force of the second spring can push the control plate to return to its original position.

[0016] Preferably, two movable grooves are symmetrically provided on the outer wall of the rotating disc. The left movable groove is slidably connected to the starting plate, and the right movable groove is slidably connected to the lifting plate.

[0017] Furthermore, by providing the movable grooves, the movable grooves facilitate the movement of the starting plate and the lifting plate. When the starting plate moves, the starting plate can control the longitudinal movement of the lifting plate through the rotating disc.

[0018] Preferably, a first spring is fixedly connected to the left side of the threaded ring, and one end of the first spring is fixedly connected to the left inner wall of the movable tube.

[0019] Furthermore, by providing the first spring, the elastic force of the first spring can push the threaded ring to move.

[0020] The present invention also provides a preparation method for a spliced autoclaved aerated concrete board, including the following steps:

[0021] S1: First, sand and coal ash are added into a ball mill, and at this time, the ball mill grinds the materials.

[0022] S2: Then, the ground materials are sent into a raw material pool for storage and standby.

[0023] S3: At the same time, lime is added into the raw material pool, and during the addition of lime, the raw material pool is stirred and mixed by a stirrer to fully mix the lime with the raw materials.

[0024] S4: And the steel bars are cut by a fully automatic mesh welding machine. At the same time, the steel bars are welded into a mesh cage. At this time, the mesh cage is assembled, and after assembly, the mesh cage is inserted into the cast mold frame.

[0025] S5: Then, the mixed raw materials are poured into the mold frame for standing. At the same time, the bubble combing machine descends into the mold frame. During the pouring process, the bubble combing machine works to comb the bubbles in the uniform slurry, thereby obtaining the autoclaved aerated concrete board.

[0026] The beneficial effects of the present invention are:

[0027] 1. By setting two splicing boxes, the extension plate of one of the splicing boxes is sleeved outside the control box. At this time, the extension plate controls the insertion plate to insert into the movable tube and contact the right side of the threaded ring. At this time, the insertion plate pushes the threaded ring to move, and the threaded ring drives the gear to rotate synchronously through the threaded column. At this time, the gear pushes the push plate to move through the rack. When the push plate moves, the push plate pushes the sliding plate to move to the right. At this time, the sliding plate pushes the connecting plate to move;

[0028] 2. When the connecting plate moves, the connecting plate controls the second fixed plate to rise through the matching plate. At the same time, the threaded ring pulls the movable plate to move. At this time, the movable plate pulls the first fixed plate to descend. At the same time, the first fixed plate and the second fixed plate penetrate the auxiliary plate, so as to fix the auxiliary plate, and further fix the extension plate;

[0029] 3. As the rack moves, the rack pulls the control plate to descend, and the control plate pulls the rotating disc to rotate through the starting plate. At this time, the rotating disc pushes the hollow plate to move through the lifting plate. At this time, the hollow plate penetrates the positioning hole of the extension plate. At the same time, the positioning plate moves through the elastic force of the third spring, and the positioning plate contacts the top of the extension plate. At this time, the whole device is locked, so as to ensure the stability of the plate splicing.

[0030] By setting two splicing boxes, the extension plate of one of the splicing boxes is sleeved outside the control box. At this time, as the extension plate moves, the control box can control the first fixed plate and the second fixed plate to fix the auxiliary plate, so as to achieve the effect of fixing the extension plate. At the same time, by controlling the movement of the positioning plate, the positioning plate contacts the top of the extension plate, and the whole device can be locked, so as to ensure the connection of the two splicing plates and achieve the effect of splicing the plates. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a three-dimensional structure diagram of a splicing type autoclaved aerated concrete plate proposed by the present invention;

[0032] Figure 2 It is a front sectional view of a splicing type autoclaved aerated concrete plate proposed by the present invention;

[0033] Figure 3 It is an enlarged structure diagram of the A structure of a splicing type autoclaved aerated concrete plate proposed by the present invention;

[0034] Figure 4 It is an enlarged structure diagram of the B structure of a splicing type autoclaved aerated concrete plate proposed by the present invention;

[0035] Figure 5This is a three-dimensional structure diagram of the rotating disk of a spliced autoclaved aerated concrete sheet proposed by the present invention.

[0036] In the figure: 1, splicing box; 2, control box; 3, sheet; 4, extension plate; 5, insertion plate; 6, auxiliary plate; 7, movable pipe; 8, threaded ring; 9, first spring; 10, movable plate; 11, first fixed plate; 12, gear; 13, threaded column; 14, rack; 15, push plate; 16, sliding plate; 17, connecting plate; 18, mating plate; 19, second fixed plate; 20, control plate; 21, second spring; 22, starting plate; 23, rotating disk; 24, lifting plate; 25, hollow plate; 26, positioning plate; 27, third spring. Specific implementation mode

[0037] The present invention will be further explained below in conjunction with specific embodiments. Embodiment

[0038] Reference Figures 1-5, in this embodiment, a spliced autoclaved aerated concrete sheet is proposed, which includes a splicing box 1 and a sheet 3, and the sheet 3 is arranged in the splicing box 1. An extension plate 4 is fixedly connected to the left side of the splicing box 1, and a control box 2 is connected to the right side of the splicing box 1. A plug plate 5 is fixedly connected to the right inner wall of the extension plate 4, and two auxiliary plates 6 are symmetrically and fixedly connected to the right inner wall of the extension plate 4. A movable pipe 7 is fixedly connected to the left inner wall of the control box 2, and the right side of the movable pipe 7 extends outside the control box 2. A threaded ring 8 is slidably connected in the movable pipe 7, and the top and bottom of the threaded ring 8 extend into the control box 2. A gear 12 is rotatably connected to the left inner wall of the control box 2, and a threaded column 13 is fixedly connected to the right side of the gear 12. The outer wall of the threaded column 13 is threadedly connected to the inner wall of the threaded ring 8. A rack 14 is slidably connected to the left inner wall of the control box 2, and the rack 14 meshes with the gear 12. A fixing mechanism and an auxiliary mechanism are arranged in the control box 2. The fixing mechanism includes a push plate 15, a sliding plate 16, a connecting plate 17, a matching plate 18, a second fixing plate 19, a movable plate 10 and a first fixing plate 11. The push plate 15 is rotatably connected to the bottom of the rack 14. The sliding plate 16 is slidably connected to the bottom inner wall of the control box 2, and the top of the sliding plate 16 is rotatably connected to the bottom of the push plate 15. The connecting plate 17 is rotatably connected to the top of the sliding plate 16. The matching plate 18 is slidably connected to the right inner wall of the control box 2, and the left side of the matching plate 18 is rotatably connected to the top of the connecting plate 17. The second fixing plate 19 is slidably connected to the right inner wall of the control box 2, and the top of the second fixing plate 19 is fixedly connected to the bottom of the matching plate 18. The right side of the second fixing plate 19 extends outside the control box 2. The movable plate 10 is rotatably connected to the top of the threaded ring 8. The first fixing plate 11 is slidably connected to the right inner wall of the control box 2, and the bottom of the first fixing plate 11 is rotatably connected to the top of the movable plate 10. The right side of the first fixing plate 11 extends outside the control box 2. By setting the fixing mechanism, the fixing mechanism can control the movement of the first fixing plate 11 and the second fixing plate 19. At this time, with the movement of the first fixing plate 11 and the second fixing plate 19, the auxiliary plate 6 can be effectively fixed. At this time, by fixing the auxiliary plate 6, the extension plate 4 can be fixed, which is convenient for connecting the sheets 3. The auxiliary mechanism includes a control plate 20, a rotating disk 23, a starting plate 22, a lifting plate 24, a hollow plate 25 and a positioning plate 26. The control plate 20 is fixedly connected to the top of the rack 14. The rotating disk 23 is rotatably connected to the rear inner wall of the control box 2. The starting plate 22 is slidably connected to the top of the control plate 20. The lifting plate 24 is slidably connected to the front inner wall of the control box 2. The hollow plate 25 is fixedly connected to the top of the lifting plate 24. The positioning plate 26 is slidably connected in the hollow plate 25, and the positioning plate 26 is in movable contact with the right side of the splicing box 1. By setting the auxiliary mechanism, the auxiliary mechanism can control the movement of the hollow plate 25. At this time, the positioning plate 26 moves synchronously. By controlling the movement of the positioning plate 26, the positioning plate 26 can contact the top of the extension plate 4, thereby locking the whole device.Ensure the overall connection stability.

[0039] With the above mechanism: By setting the splicing box 1, the plate 3 can be set in the splicing box 1 through the splicing box 1, so as to facilitate the splicing effect of the plate 3. By setting the insertion plate 5, the insertion plate 5 moves as the extension plate 4 moves. At this time, the insertion plate 5 can contact the threaded ring 8 and control the threaded ring 8 to move. By setting the movable tube 7, the movable tube 7 plays a role in carrying the threaded ring 8 while restricting the lateral movement of the threaded ring 8. By setting the gear 12, the gear 12 rotates as the threaded column 13 rotates, so as to control the movement of the rack 14. By setting the first fixing plate 11 and the second fixing plate 19, controlling the movement of the first fixing plate 11 and the second fixing plate 19 can fix the auxiliary plate 6, so as to synchronously fix the extension plate 4.

[0040] In this embodiment, two sliding grooves are symmetrically arranged on the right side of the control box 2. The inner wall of the upper sliding groove is slidably connected to the first fixing plate 11, and the inner wall of the lower sliding groove is slidably connected to the second fixing plate 19. By setting the sliding grooves, the sliding grooves play a role in assisting the movement of the first fixing plate 11 and the second fixing plate 19, and at the same time restrict the longitudinal movement of the first fixing plate 11 and the second fixing plate 19.

[0041] In this embodiment, a third spring 27 is fixedly connected to the right side of the positioning plate 26, and one end of the third spring 27 is fixedly connected to the inner wall of the right side of the hollow plate 25. A fixing hole is provided at the top of the extension plate 4, and the hollow plate 25 is movably connected to the fixing hole. By setting the fixing hole, the fixing hole can assist the hollow plate 25 to penetrate through the extension plate 4. At the same time, by setting the third spring 27, the elastic force of the third spring 27 can push the positioning plate 26 to move. At this time, the positioning plate 26 contacts the top of the extension plate 4 to lock the extension plate 4.

[0042] In this embodiment, a second spring 21 is fixedly connected to the bottom of the control plate 20, and one end of the second spring 21 is fixedly connected to the top of the movable tube 7. By setting the second spring 21, the elastic force of the second spring 21 can push the control plate 20 to return to its original position.

[0043] In this embodiment, two movable grooves are symmetrically arranged on the outer wall of the rotating disk 23. The left movable groove is slidably connected to the starting plate 22, and the right movable groove is slidably connected to the lifting plate 24. By setting the movable grooves, the movable grooves facilitate the movement of the starting plate 22 and the lifting plate 24. When the starting plate 22 moves, the starting plate 22 can control the longitudinal movement of the lifting plate 24 through the rotating disk 23.

[0044] In this embodiment, a first spring 9 is fixedly connected to the left side of the threaded ring 8, and one end of the first spring 9 is fixedly connected to the left inner wall of the movable tube 7. By providing the first spring 9, the elastic force of the first spring 9 can be used to push the threaded ring 8 to move.

[0045] In this embodiment, during actual operation, by providing two splicing boxes 1, the extension plate 4 of one of the splicing boxes 1 is sleeved outside the control box 2. At this time, as the extension plate 4 moves, the extension plate 4 controls the insertion plate 5 to insert into the movable tube 7 and contact the right side of the threaded ring 8. At this time, the insertion plate 5 pushes the threaded ring 8 to move. When the threaded ring 8 moves, the threaded ring 8 controls the threaded column 13 to rotate through its own thread. At this time, as the threaded column 13 rotates, the threaded column 13 synchronously drives the gear 12 to rotate. When the gear 12 rotates, the gear 12 controls the rack 14 to descend through the tooth pattern. At the same time, as the rack 14 moves, the rack 14 pushes the push plate 15 to move. When the push plate 15 moves, the push plate 15 pushes the sliding plate 16 to move to the right. At this time, the sliding plate 16 pushes the connecting plate 17 to move. When the connecting plate 17 moves, the connecting plate 17 pushes the matching plate 18 to rise. At the same time, as the matching plate 18 moves, the matching plate 18 controls the second fixing plate 19 to rise. At the same time, as the threaded ring 8 moves, the threaded ring 8 pulls the movable plate 10 to move. At this time, the movable plate 10 pulls the first fixing plate 11 to descend. As the first fixing plate 11 and the second fixing plate 19 move, the first fixing plate 11 and the second fixing plate 19 penetrate the auxiliary plate 6, thereby fixing the auxiliary plate 6 and further fixing the extension plate 4. At the same time, as the rack 14 moves, the rack 14 pulls the control plate 20 to descend. When the control plate 20 moves, the control plate 20 pulls the starting plate 22 to descend. At this time, as the starting plate 22 moves, the starting plate 22 pulls the rotating disk 23 to rotate. When the rotating disk 23 rotates, the rotating disk 23 controls the lifting plate 24 to rise. When the lifting plate 24 rises, the lifting plate 24 pushes the hollow plate 25 to move. At this time, the hollow plate 25 penetrates the positioning hole of the extension plate 4. At the same time, the positioning plate 26 moves through the elastic force of the third spring 27, and the positioning plate 26 contacts the top of the extension plate 4. At this time, the entire device is locked, thereby ensuring the stability of the splicing of the plate 3.

[0046] The present invention also proposes a preparation method for a spliced autoclaved aerated concrete plate, including the following steps:

[0047] S1: First, sand and coal ash are added to the ball mill, and at this time, the ball mill grinds the materials.

[0048] S2: Then, the ground materials are sent into the raw material pool for storage and standby.

[0049] S3: Meanwhile, add lime into the raw material pool, and stir and mix the raw material pool with a mixer during the process of adding lime to fully mix the lime with the raw materials;

[0050] S4: And cut the steel bars with a fully automatic mesh welding machine, and at the same time weld the steel bars into a mesh cage. At this time, assemble the mesh cage and insert the assembled mesh cage into the cast mold frame;

[0051] S5: Then pour the mixed raw materials into the mold frame for standing, and at the same time lower them into the mold frame through a bubble combing machine. Away from the casting process, the bubble combing machine works to even out the bubbles in the slurry, thereby obtaining autoclaved aerated concrete slabs.

[0052] As mentioned above, it is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered within the protection scope of the present invention.

Claims

1. A spliced autoclaved aerated concrete board, comprising a splicing box (1) and a board (3), and the board (3) is arranged in the splicing box (1), characterized in that, On the left side of the splicing box (1), an extension plate (4) is fixedly connected. On the right side of the splicing box (1), a control box (2) is connected. On the right inner wall of the extension plate (4), an insertion plate (5) is fixedly connected, and two auxiliary plates (6) are symmetrically and fixedly connected to the right inner wall of the extension plate (4). On the left inner wall of the control box (2), a movable tube (7) is fixedly connected, and the right side of the movable tube (7) extends outside the control box (2). A threaded ring (8) is slidably connected in the movable tube (7), and the top and bottom of the threaded ring (8) extend into the control box (2). A gear (12) is rotatably connected to the left inner wall of the control box (2), and a threaded column (13) is fixedly connected to the right side of the gear (12). The outer wall of the threaded column (13) is threadedly connected to the inner wall of the threaded ring (8). A rack (14) is slidably connected to the left inner wall of the control box (2), and the rack (14) meshes with the gear (12). A fixing mechanism and an auxiliary mechanism are provided in the control box (2). The auxiliary mechanism includes a control plate (20), a rotating disk (23), a starting plate (22), a lifting plate (24), a hollow plate (25) and a positioning plate (26). The control plate (20) is fixedly connected to the top of the rack (14). The rotating disk (23) is rotatably connected to the rear inner wall of the control box (2). The starting plate (22) is slidably connected to the top of the control plate (20). The lifting plate (24) is slidably connected to the front inner wall of the control box (2). The hollow plate (25) is fixedly connected to the top of the lifting plate (24). The positioning plate (26) is slidably connected in the hollow plate (25), and the positioning plate (26) is in movable contact with the right side of the splicing box (1). A third spring (27) is fixedly connected to the right side of the positioning plate (26), and one end of the third spring (27) is fixedly connected to the right inner wall of the hollow plate (25). A fixing hole is provided at the top of the extension plate (4), and the hollow plate (25) is in movable connection with the fixing hole. A second spring (21) is fixedly connected to the bottom of the control plate (20), and one end of the second spring (21) is fixedly connected to the top of the movable tube (7). Two movable grooves are symmetrically provided on the outer wall of the rotating disk (23), and the left movable groove is slidably connected to the starting plate (22), and the right movable groove is slidably connected to the lifting plate (24).

2. The spliced autoclaved aerated concrete slab according to claim 1, wherein, The fixing mechanism includes a push plate (15), a sliding plate (16), a connecting plate (17), a matching plate (18), a second fixing plate (19), a movable plate (10) and a first fixing plate (11). The push plate (15) is rotatably connected to the bottom of the rack (14). The sliding plate (16) is slidably connected to the inner bottom wall of the control box (2), and the top of the sliding plate (16) is rotatably connected to the bottom of the push plate (15). The connecting plate (17) is rotatably connected to the top of the sliding plate (16). The matching plate (18) is slidably connected to the inner right wall of the control box (2), and the left side of the matching plate (18) is rotatably connected to the top of the connecting plate (17). The second fixing plate (19) is slidably connected to the inner right wall of the control box (2), and the top of the second fixing plate (19) is fixedly connected to the bottom of the matching plate (18). The right side of the second fixing plate (19) extends outside the control box (2). The movable plate (10) is rotatably connected to the top of the threaded ring (8). The first fixing plate (11) is slidably connected to the inner right wall of the control box (2), and the bottom of the first fixing plate (11) is rotatably connected to the top of the movable plate (10). The right side of the first fixing plate (11) extends outside the control box (2).

3. The spliced autoclaved aerated concrete board according to claim 2, wherein Two sliding grooves are symmetrically arranged on the right side of the control box (2). The inner wall of the upper sliding groove is slidably connected to the first fixing plate (11), and the inner wall of the lower sliding groove is slidably connected to the second fixing plate (19).

4. A spliced autoclaved aerated concrete sheet according to claim 1, characterized in that, A first spring (9) is fixedly connected to the left side of the threaded ring (8), and one end of the first spring (9) is fixedly connected to the inner left wall of the movable tube (7).

5. A preparation method of the spliced autoclaved aerated concrete sheet described in claims 1-4, characterized in that, It includes the following steps: S1: First, add sand and coal ash into the ball mill. At this time, the ball mill grinds the materials. S2: Then send the ground materials into the raw material pool for storage and standby. S3: At the same time, add lime into the raw material pool, and stir and mix the raw material pool with a stirrer during the process of adding lime to fully mix the lime and the raw materials. S4: And cut the steel bars with a fully automatic mesh welding machine, and at the same time weld the steel bars into a wire cage. At this time, assemble the wire cage, and insert the assembled wire cage into the cast mold. S5: Then pour the mixed raw materials into the mold for standing, and at the same time lower the bubble combing machine into the mold. Away from the pouring process, the bubble combing machine works to even out the bubbles in the slurry, thereby obtaining autoclaved aerated concrete slabs.

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