An aluminum alloy formwork for the construction of externally hung precast slabs

Abstract

The present invention discloses an aluminum alloy formwork for the construction of externally hung precast slabs, specifically relating to the technical field of aluminum alloy formwork. The present invention includes a plate body. By setting an L-shaped plate, the first connecting rod is controlled to rotate inside the inner wall of the L-shaped plate to push the second rod to slide inside the inner wall of the L-shaped plate and move towards the direction of the first rod, so that one end of the outer surface of the rectangular plate away from the first rod is stuck between the second rod and the L-shaped plate. Rotating the first connecting rod to make the second rod away from the first rod can release the position fixation of the rectangular plate. By rotating the first connecting rod to control and adjust the distance between the first rod and the second rod, the rectangular plate and the metal block are fixed on one side of the outer surface of the plate body, or the rectangular plate and the metal block are disassembled to facilitate inserting the metal support rod into the inside of the cylinder to support the plate body, or to disassemble the metal support rod and the metal block after the laminated layer is assembled to improve work efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of aluminum alloy templates, in particular to an aluminum alloy template used for the construction of external prefabricated panels. Background Art

[0002] Precast panels are not only one of the components of the floor structure, but also the permanent formwork for cast-in-place reinforced concrete superimposed layers. Aluminum alloy formwork is made of aluminum alloy profiles as the main material. It is a formwork suitable for concrete engineering through mechanical processing and welding. Superimposed panels are a new type of building panel that can be used in cast-in-place concrete fields such as load-bearing walls, load-bearing columns, and cast-in-place roofs. In superimposed panel components, aluminum alloy formwork is used in conjunction with superimposed panels to support the superimposed panels horizontally and vertically. Using superimposed panel components and aluminum alloy formwork to assemble and cast buildings can greatly reduce work intensity and time consumption.

[0003] The inventors found that when assembling the composite panels and the aluminum alloy formwork, the aluminum alloy formwork is first connected to form a frame, and then metal rods or wooden rods are used to support the bottom end of the top plate of the aluminum alloy formwork, and then tools are used to hoist and splice the composite panels. However, when the composite panels are installed by supporting the bottom end of the aluminum alloy formwork with metal rods and wooden rods, the contact between the bottom and top ends of the outer surfaces of the metal rods and the wooden support rods may slide or shake, which may cause abnormal support for the aluminum alloy formwork and may cause deformation at the joints of the aluminum alloy formwork or burst out of the fixing bolts, reducing the stability of the aluminum alloy formwork and the composite panel structure and affecting the assembly. Summary of the invention

[0004] The present invention proposes an aluminum alloy formwork for the construction of external prefabricated panels to solve the problem of using tools such as bolts to fix a metal block with a cylinder at the bottom end of the outer surface to the bottom end of the top plate of the aluminum alloy formwork, and then inserting a supporting metal rod into the interior of the cylinder to avoid as much as possible the shaking of the metal rod when supporting the top plate of the aluminum alloy formwork. However, the use of tools such as bolts to fix the metal block to the aluminum alloy formwork requires extra time to disassemble the metal block and the supporting rod after the installation and splicing of the composite plate and the aluminum alloy formwork is completed, which affects the work efficiency.

[0005] To achieve the above object, the present invention adopts the following technical solution: An aluminum alloy formwork for the construction of external precast slabs, comprising a plate body, wherein a convenient device is arranged on the outer surface of the plate body. The convenient device includes an L-shaped plate and a rectangular plate. The top end of the outer surface of the L-shaped plate is fixedly connected to the inner wall of the plate body. One side of the outer surface of the L-shaped plate is fixedly connected with a first rod body. One end of the inner wall of the L-shaped plate far away from the first rod body is threadedly connected with a first connecting rod. The outer surface of the first connecting rod is rotatably connected to the middle end of the inner wall of the plate body. One end of the outer surface of the first connecting rod is rotatably connected with a second rod body. The outer surface of the second rod body slides on the outer surface of the L-shaped plate. One end of the outer surface of the rectangular plate is fixedly connected with a metal block. The bottom end of the outer surface of the metal block is fixedly connected with a cylinder body. The distance between one side of the outer surface of the first rod body and one side of the outer surface of the L-shaped plate and the distance between one side of the outer surface of the second rod body and one side of the outer surface of the L-shaped plate are adapted to the thickness of the rectangular plate. One end of the outer surface of the first connecting rod far away from the second rod body is fixedly connected with a cylindrical block. The outer surface of the cylindrical block is fixedly connected with a plurality of protrusions. The protrusions are circumferentially distributed on the outer surface of the cylindrical block. A protective sleeve is sleeved on the protrusions. The protective sleeve is made of a soft material.

[0006] The effects achieved by the above components are as follows: By arranging the L-shaped plate, when it is necessary to support the top plate body of the aluminum alloy formwork during the assembly of the composite slab and the aluminum alloy formwork in the construction process, first control the first connecting rod to rotate in the inner wall of the L-shaped plate to drive the second rod body to slide on the outer surface of the L-shaped plate to make the second rod body away from the first rod body. Then, clamp one side of the outer surface of the rectangular plate at the top end of the outer surface of the metal block between the outer surface of the first rod body and the L-shaped plate, hold the bottom end of the outer surface of the metal block by hand, and then control the first connecting rod to rotate in the inner wall of the L-shaped plate to push the second rod body to slide in the inner wall of the L-shaped plate and move towards the direction of the first rod body, so that one end of the outer surface of the rectangular plate away from the first rod body is clamped between the second rod body and the L-shaped plate. Fix the position of the rectangular plate through the first rod body and the second rod body to make the metal block under the outer surface of the plate body. Then insert the metal support rod into the inside of the cylinder body to support the plate body. Rotating the first connecting rod to make the second rod body away from the first rod body can release the position fixation of the rectangular plate. By rotating the first connecting rod to control and adjust the distance between the first rod body and the second rod body, the rectangular plate and the metal block are fixed on one side of the outer surface of the plate body or the rectangular plate and the metal block are disassembled, which is convenient for inserting the metal support rod into the inside of the cylinder body to support the plate body or disassembling the metal support rod and the metal block after the assembly of the composite layer is completed, improving the work efficiency.

[0007] By rotating the cylindrical block, the first connecting rod can be controlled to rotate. Pushing the cylindrical block at the protrusion can more conveniently rotate the cylindrical block to control the rotation of the first connecting rod and it is not easy to slip by hand.

[0008] Preferably, the number of the protrusions is 5, and the protective cover is made of silicone or rubber material.

[0009] The effects achieved by the above components are: the protective sleeve is made of silicone or rubber material, is easy to prepare, and has strong versatility.

[0010] Preferably, a circular groove is formed on a side of the outer surface of the plate body close to the first connecting rod, and the size and shape of the inner wall of the circular groove are matched with the size and shape of the outer surface of the cylindrical block.

[0011] The effect achieved by the above components is: by setting the circular groove, when the rectangular plate is located between the first rod body, the second rod body and the L-shaped plate, the cylindrical block will be located inside the circular groove, thereby avoiding as much as possible the cylindrical block protruding from the outer surface of the plate body, causing the cylindrical block to be hit and accidentally rotated or affecting the operator's actions.

[0012] Preferably, two circular rings are fixedly connected to one side of the outer surface of the L-shaped plate close to the first connecting rod, the outer surface of the first connecting rod slides on the inner wall of the circular ring, and the two circular rings are respectively located on the left and right sides of one end of the outer surface of the L-shaped plate.

[0013] The effect achieved by the above components is that when the first connecting rod is rotated to control the movement of the second rod body, the first connecting rod will slide on the inner wall of the ring. The angle between the first connecting rod and the L-shaped plate can be fixed by the ring to increase the stability of the first connecting rod when rotating.

[0014] Preferably, two limiting grooves are provided on one side of the outer surface of the L-shaped plate, and two T-shaped blocks are fixedly connected to the top end of the outer surface of the second rod body, and the outer surfaces of the T-shaped blocks slide on the inner walls of the limiting grooves.

[0015] The effect achieved by the above components is: when the first connecting rod is rotated to adjust the position of the second rod body, the T-shaped block will slide on the inner wall of the limiting groove. The T-shaped block can fix the angle between the second rod body and the L-shaped plate to avoid the angle of the second rod body from being deflected and causing shaking during movement as much as possible.

[0016] Preferably, a limiting device is provided on the outer surface of the metal block, and the limiting device includes a second connecting rod, and two rectangular grooves are provided on the outer surface of the second rod body. The outer surface of the second connecting rod slides on the inner wall of the rectangular groove, and a positioning block is slidably inserted on the outer surface of the second connecting rod, and the outer surface of the second connecting rod is threadedly connected with a threaded ring.

[0017] The effect achieved by the above components is: by setting the positioning block, when the rectangular plate is located between the second rod body, the first rod body and the L-shaped plate, the positioning block can be sleeved on the outer surface of the second connecting rod, and then the threaded ring is sleeved on the outer surface of the second connecting rod and the threaded ring is rotated to move the threaded ring in the direction of the rectangular plate to push the positioning block to move, and the positioning block is pressed against the outer surface of the second rod body, thereby further fixing the position of the rectangular plate between the first rod body, the second rod body and the L-shaped plate.

[0018] Preferably, a plurality of convex strips are fixedly connected to one side of the outer surface of the positioning block, and the convex strips are rubber strips made of rubber material.

[0019] The effect achieved by the above components is: by setting the rubber convex strips, the friction force when the outer surface of the positioning block is pressed against the outer surface of the second rod can be increased, so that the outer surface of the positioning block is pressed against the outer surface of the second rod body and the position of the rectangular block is further fixed and is not easy to slide and is more stable.

[0020] Preferably, an auxiliary device is provided on one side of the outer surface of the metal block, and the auxiliary device includes a sliding rod, a sliding groove is provided on one side of the outer surface of the metal block, the outer surface of the sliding rod is slidably connected to the inner wall of the sliding groove, and the outer surface of the sliding rod is fixedly connected to a groove block at one end away from the metal block, and the outer surface of the groove block is provided with a groove.

[0021] The effect achieved by the above components is: when the rectangular plate is located between the second rod body, the first rod body and the L-shaped plate, the slot block can be pulled at the groove to control the sliding rod to slide along the inner wall of the slide groove and extend out of the interior of the slide groove, and then the slot block is pulled or pushed to drive the rectangular plate to slide on the outer surface between the first rod body, the second rod body and the L-shaped plate through the sliding rod to adjust the horizontal position of the metal block and the cylinder.

[0022] Preferably, a rectangular block is fixedly connected to the outer surface of the sliding rod on the side away from the slot block, a sliding block is fixedly connected to one end of the outer surface of the rectangular block, the outer surface of the rectangular block slides on the inner wall of the metal block, and the outer surface of the sliding block slides on the outer surface of the metal block.

[0023] The effect achieved by the above components is: by setting the rectangular block and the slider, when the sliding rod slides on the inner wall of the slide groove, the rectangular block will slide on the inner wall of the metal block, and the slider will slide on the outer surface of the metal block to fix the angle between the sliding rod and the metal block, thereby increasing the stability of the sliding rod when moving and fixing the angle between the sliding rod and the metal block to avoid the angle of the sliding rod from being deflected as much as possible.

[0024] Preferably, a magnetic block is fixedly connected to one side of the outer surface of the metal block, and the sliding rod is made of metal iron.

[0025] The effects achieved by the above components are as follows: When the sliding rod is pulled to slide on the inner wall of the chute to adjust its position or is completely inside the chute, the outer surface of the sliding rod will be magnetically attracted to the magnet, and the position of the sliding rod is fixed by the magnet.

[0026] In summary, the beneficial effects of the present invention are as follows:

[0027] By setting up a convenient device, when it is necessary to support the top plate body of the aluminum alloy formwork during the assembly of the laminated slab and the aluminum alloy formwork in the construction process, first control the first connecting rod to rotate inside the L-shaped plate to drive the second rod to slide on the outer surface of the L-shaped plate so that the second rod moves away from the first rod. Subsequently, one side of the outer surface of the rectangular plate at the top of the outer surface of the metal block is stuck between the outer surfaces of the first rod and the L-shaped plate, and the bottom of the outer surface of the metal block is supported by hand. Then, control the first connecting rod to rotate inside the L-shaped plate to push the second rod to slide inside the L-shaped plate and move towards the first rod, so that the end of the outer surface of the rectangular plate away from the first rod is stuck between the second rod and the L-shaped plate. The position of the rectangular plate is fixed by the first rod and the second rod, so that the metal block is located below the outer surface of the plate body. Then, insert the metal support rod into the inside of the cylinder to support the plate body. Rotating the first connecting rod to make the second rod move away from the first rod can release the position fixation of the rectangular plate. By rotating the first connecting rod to control and adjust the distance between the first rod and the second rod, the rectangular plate and the metal block are fixed on one side of the outer surface of the plate body or the rectangular plate and the metal block are disassembled, which is convenient for inserting the metal support rod into the inside of the cylinder to support the plate body or disassembling the metal support rod and the metal block after the assembly of the laminated layer is completed, improving work efficiency.

[0028] By setting up a limiting device, when the rectangular plate is located between the second rod, the first rod and the L-shaped plate, the positioning block can be sleeved on the outer surface of the second connecting rod. Subsequently, the threaded ring is sleeved on the outer surface of the second connecting rod and rotated so that the threaded ring moves towards the rectangular plate to push the positioning block to move, and the positioning block is pressed tightly on the outer surface of the second rod to further fix the position of the rectangular plate between the first rod, the second rod and the L-shaped plate.

[0029] By setting up an auxiliary device, when the rectangular plate is located between the second rod, the first rod and the L-shaped plate, the groove block can be pulled at the groove to control the sliding rod to slide out of the inside of the chute on the inner wall of the chute. Subsequently, pulling or pushing the groove block drives the rectangular plate to slide on the outer surface between the first rod, the second rod and the L-shaped plate to adjust the horizontal positions of the metal block and the cylinder. Description of the Drawings

[0030] Figure 1 is a three-dimensional schematic diagram of the present invention;

[0031] Figure 2 is a partial sectional three-dimensional structural schematic diagram of the plate body of the present invention;

[0032] Figure 3 is a three-dimensional structural schematic diagram of the L-shaped plate of the present invention;

[0033] Figure 4 is a three-dimensional structural schematic diagram of the first rod body of the present invention;

[0034] Figure 5 is a three-dimensional structural schematic diagram of the ring of the present invention;

[0035] Figure 6 is a three-dimensional structural schematic diagram of the second rod body of the present invention;

[0036] Figure 7 is a three-dimensional structural schematic diagram of the metal block of the present invention;

[0037] Figure 8 is a three-dimensional structural schematic diagram of the sliding rod of the present invention. Detailed implementation manners

[0038] Please refer to Figures 1-3, the present invention discloses an aluminum alloy formwork for the construction of externally hung precast slabs, including a plate body 1. A convenient device 2 is arranged on the outer surface of the plate body 1. The convenient device 2 includes an L-shaped plate 21 and a rectangular plate 26. The top end of the outer surface of the L-shaped plate 21 is fixedly connected to the inner wall of the plate body 1. One side of the outer surface of the L-shaped plate 21 is fixedly connected to a first rod body 22. One end of the inner wall of the L-shaped plate 21 far from the first rod body 22 is threadedly connected to a first connecting rod 24. The outer surface of the first connecting rod 24 is rotatably connected to the middle end of the inner wall of the plate body 1. One end of the outer surface of the first connecting rod 24 is rotatably connected to a second rod body 23. The outer surface of the second rod body 23 slides on the outer surface of the L-shaped plate 21. One end of the outer surface of the rectangular plate 26 is fixedly connected to a metal block 5. The bottom end of the outer surface of the metal block 5 is fixedly connected to a cylinder body 6. The distance between one side of the outer surface of the first rod body 22 and one side of the outer surface of the L-shaped plate 21 and the distance between one side of the outer surface of the second rod body 23 and one side of the outer surface of the L-shaped plate 21 are adapted to the thickness of the rectangular plate 26. By setting the L-shaped plate 21, when it is necessary to support the top plate body 1 of the aluminum alloy formwork during the assembly of the composite slab and the aluminum alloy formwork in the construction process, first control the first connecting rod 24 to rotate in the inner wall of the L-shaped plate 21 to drive the second rod body 23 to slide on the outer surface of the L-shaped plate 21 so that the second rod body 23 moves away from the first rod body 22. Subsequently, clamp one side of the outer surface of the rectangular plate 26 at the top end of the outer surface of the metal block 5 between the outer surfaces of the first rod body 22 and the L-shaped plate 21, hold the bottom end of the outer surface of the metal block 5 by hand, and then control the first connecting rod 24 to rotate in the inner wall of the L-shaped plate 21 to push the second rod body 23 to slide in the inner wall of the L-shaped plate 21 and move towards the direction of the first rod body 22, so that the end of the outer surface of the rectangular plate 26 far from the first rod body 22 is clamped between the second rod body 23 and the L-shaped plate 21. Fix the position of the rectangular plate 26 through the first rod body 22 and the second rod body 23 so that the metal block 5 is located below the outer surface of the plate body 1. Then insert a metal support rod into the inside of the cylinder body 6 to support the plate body 1. Rotating the first connecting rod 24 to make the second rod body 23 move away from the first rod body 22 can release the fixation of the position of the rectangular plate 26. By rotating the first connecting rod 24 to control and adjust the distance between the first rod body 22 and the second rod body 23, the rectangular plate 26 and the metal block 5 are fixed on one side of the outer surface of the plate body 1 or the rectangular plate 26 and the metal block 5 are disassembled to facilitate inserting the metal support rod into the inside of the cylinder body 6 to support the plate body 1 or disassembling the metal support rod and the metal block 5 after the assembly of the composite layer is completed to improve work efficiency.

[0039] Refer to Figure 3 , Figure 4 and Figure 5 as well as Figure 6As shown, in one embodiment, a cylindrical block 25 is fixedly connected to one end of the outer surface of the first connecting rod 24 away from the second rod body 23. A number of protrusions 29 are fixedly connected to the outer surface of the cylindrical block 25. The protrusions 29 are circumferentially distributed on the outer surface of the cylindrical block 25. Rotating the cylindrical block 25 can control the rotation of the first connecting rod 24. Pushing the cylindrical block 25 at the protrusions 29 can more conveniently rotate the cylindrical block 25 to control the rotation of the first connecting rod 24 and is not easy to slip. A circular groove 27 is formed on the outer surface of the plate body 1 near the first connecting rod 24. The size and shape of the inner wall of the circular groove 27 are adapted to the size and shape of the outer surface of the cylindrical block 25. By providing the circular groove 27, when the rectangular plate 26 is located between the first rod body 22, the second rod body 23 and the L-shaped plate 21, the cylindrical block 25 will be inside the circular groove 27, as much as possible to prevent the cylindrical block 25 from protruding from the outer surface of the plate body 1, resulting in accidental rotation of the cylindrical block 25 due to collision or affecting the movement of the operator. In addition, in one of the embodiments, a protective sleeve is sleeved on the protrusion, and the protective sleeve is made of a soft material. It can be understood that the number of the protrusions is 5, and the soft material includes but is not limited to silicone or rubber materials. The silicone or rubber materials are easy to prepare and have strong versatility.

[0040] Referring to Figure 3 , Figure 4 and Figure 5 as well as Figure 6 As shown, in one embodiment, two rings 28 are fixedly connected to one side of the outer surface of the L-shaped plate 21 near the first connecting rod 24. The outer surface of the first connecting rod 24 slides inside the inner walls of the two rings 28. The two rings 28 are respectively located on the left and right sides at one end of the outer surface of the L-shaped plate 21. When rotating the first connecting rod 24 to control the movement of the second rod body 23, the first connecting rod 24 will slide inside the inner walls of the two rings 28. By means of the two rings 28, the angle between the first connecting rod 24 and the L-shaped plate 21 can be fixed, increasing the stability when the first connecting rod 24 rotates. Two limiting grooves 211 are formed on one side of the outer surface of the L-shaped plate 21. Two T-shaped blocks 210 are fixedly connected to the top of the outer surface of the second rod body 23. The outer surfaces of the T-shaped blocks 210 slide inside the inner walls of the limiting grooves 211. When rotating the first connecting rod 24 to adjust the position of the second rod body 23, the T-shaped blocks 210 will slide inside the inner walls of the limiting grooves 211. By means of the T-shaped blocks 210, the angle between the second rod body 23 and the L-shaped plate 21 can be fixed, as much as possible to prevent the angle of the second rod body 23 from being skewed, resulting in shaking during movement.

[0041] Referring to Figure 1 , Figure 3 and Figure 6 as well as Figure 7As shown, in one embodiment, a limiting device 3 is provided on the outer surface of the metal block 5. The limiting device 3 includes a second connecting rod 32. Two rectangular grooves 31 are formed on the outer surface of the second rod body 23. The outer surface of the second connecting rod 32 slides on the inner wall of the rectangular groove 31. A positioning block 33 is slidably inserted on the outer surface of the second connecting rod 32. A threaded ring 35 is threadedly connected to the outer surface of the second connecting rod 32. By providing the positioning block 33, when the rectangular plate 26 is located between the second rod body 23, the first rod body 22 and the L-shaped plate 21, the positioning block 33 can be sleeved on the outer surface of the second connecting rod 32. Then, the threaded ring 35 is sleeved on the outer surface of the second connecting rod 32 and the threaded ring 35 is rotated to move the threaded ring 35 towards the rectangular plate 26 to push the positioning block 33 to move, pressing the positioning block 33 against the outer surface of the second rod body 23, and further fixing the position of the rectangular plate 26 between the first rod body 22, the second rod body 23 and the L-shaped plate 21.

[0042] Referring to Figure 3 and Figure 7 and Figure 8 As shown, in one embodiment, a plurality of convex strips 34 are fixedly connected to one side of the outer surface of the positioning block 33. The convex strips 34 are rubber strips made of rubber. By providing the rubber convex strips 34, the friction when the outer surface of the positioning block 33 presses against the outer surface of the second rod body 23 can be increased, so that when the outer surface of the positioning block 33 presses against the outer surface of the second rod body 23 to further fix the position of the rectangular block 45, it is not easy to slide and is more stable.

[0043] Referring to Figure 1 and Figure 7 and Figure 8 As shown, in one embodiment, an auxiliary device 4 is provided on one side of the outer surface of the metal block 5. The auxiliary device 4 includes a sliding rod 42. A sliding groove 41 is formed on one side of the outer surface of the metal block 5. The outer surface of the sliding rod 42 is slidably connected to the inner wall of the sliding groove 41. One end of the outer surface of the sliding rod 42 away from the metal block 5 is fixedly connected with a groove block 43. A groove 44 is formed on the outer surface of the groove block 43. When the rectangular plate 26 is located between the second rod body 23, the first rod body 22 and the L-shaped plate 21, the groove block 43 can be pulled at the groove 44 to control the sliding rod 42 to slide on the inner wall of the sliding groove 41 and extend out of the inside of the sliding groove 41. Then, the groove block 43 is pulled or pushed to drive the rectangular plate 26 to slide on the outer surface between the first rod body 22, the second rod body 23 and the L-shaped plate 21 to adjust the horizontal position of the metal block 5 and the cylinder body 6.

[0044] Referring to Figure 1 and Figure 7 and Figure 8As shown, in one embodiment, a rectangular block 45 is fixedly connected to a side of the outer surface of the sliding rod 42 away from the slot block 43, and a sliding block 46 is fixedly connected to one end of the outer surface of the rectangular block 45. The outer surface of the rectangular block 45 slides on the inner wall of the metal block 5, and the outer surface of the sliding block 46 slides on the outer surface of the metal block 5. By arranging the rectangular block 45 and the sliding block 46, when the sliding rod 42 slides on the inner wall of the slide groove 41, the rectangular block 45 will slide on the inner wall of the metal block 5, and the sliding block 46 will slide on the outer surface of the metal block 5, so as to fix the angle between the sliding rod 42 and the metal block 5, increase the stability of the sliding rod 42 when moving, and fix the angle of the sliding rod 42 and the metal block 5 to avoid the angle of the sliding rod 42 from being deflected as much as possible. A magnetic block 47 is fixedly connected to one side of the outer surface of the metal block 5. The sliding rod 42 is made of metal iron. After the sliding rod 42 is pulled to slide and adjust its position on the inner wall of the slide groove 41 or when it is completely inside the slide groove 41, the outer surface of the sliding rod 42 will be magnetically attracted to the magnetic block 47, and the position of the sliding rod 42 is fixed by the magnetic block 47.

[0045] The working principle is as follows: When it is necessary to support the top plate body 1 of the aluminum alloy formwork during the assembly of the composite slab and the aluminum alloy formwork in the construction process, first rotate the cylindrical block 25 at the protrusion 29 to control the first connecting rod 24 to rotate inside the inner wall of the L-shaped plate 21, driving the second rod body 23 to slide on the outer surface of the L-shaped plate 21 to make the second rod body 23 move away from the first rod body 22. Subsequently, one side of the outer surface of the rectangular plate 26 at the top of the outer surface of the metal block 5 is clamped between the outer surface of the first rod body 22 and the L-shaped plate 21, and the bottom of the outer surface of the metal block 5 is supported by hand. Then, rotate the cylindrical block 25 at the protrusion 29 to control the first connecting rod 24 to rotate inside the inner wall of the L-shaped plate 21, pushing the second rod body 23 to slide inside the inner wall of the L-shaped plate 21 so that the outer surface of the rectangular plate 26 away from one end of the first rod body 22 is clamped between the second rod body 23 and the L-shaped plate 21, and the second connecting rod 32 is located inside the rectangular groove 31. The position of the rectangular plate 26 is fixed by the first rod body 22 and the second rod body 23, so that the metal block 5 is located below the outer surface of the plate body 1. At this time, the cylindrical block 25 will be inside the circular groove 27 to prevent the cylindrical block 25 from protruding from the outer surface of the plate body 1 and affecting the operator's assembly or causing the cylindrical block 25 to be collided. During the process of rotating the first connecting rod 24 to control the movement of the second rod body 23, the T-shaped block 210 at the top of the outer surface of the second rod body 23 will slide on the inner wall of the limit groove 211 to fix the angle between the second rod body 23 and the L-shaped plate 21, as much as possible to prevent the second rod body 23 from shaking during the movement. At the same time, during the rotation of the first connecting rod 24, it will slide on the inner walls of the two circular rings 28 on the outer surface of the L-shaped plate 21 to fix the angle between the first connecting rod 24 and the L-shaped plate 21, increasing the stability of the rotation of the first connecting rod 24. After fixing the metal block 5 below the outer surface of the plate body 1 through the rectangular plate 26, the slot block 43 can be pulled at the groove 44 to control the sliding rod 42 to slide on the inner wall of the chute 41, and part of the sliding rod 42 is extended out of the chute 41. Then, by pushing or pulling the slot block 43, the rectangular plate 26 at the top of the outer surface of the metal block 5 is controlled to slide on the outer surfaces of the first rod body 22 and the second rod body 23 to adjust the horizontal position of the metal block 5. After the adjustment is completed, the sliding rod 42 can be pushed into the inside of the chute 41. At the same time, the magnetic block 47 on the outer surface of the metal block 5 will be magnetically attracted to the outer surface of the sliding rod 42 to fix the sliding rod 42 inside the chute 41 to prevent the sliding rod 42 from sliding. When the sliding rod 42 moves inside the chute 41, the rectangular block 45 will slide on the inner wall of the metal block 5, and the slider 46 will slide on the outer surface of the metal block 5. The angle between the sliding rod 42 and the metal block 5 can be fixed by the rectangular block 45 and the slider 46, increasing the stability of the movement of the sliding rod 42 and as much as possible to prevent the angle of the sliding rod 42 from deviating. While the metal block 5 moves to adjust the horizontal position, the second connecting rod 32 will slide on the inner wall of the rectangular groove 31. After the position of the metal block 5 is adjusted, the positioning block 33 can be sleeved on the outer surface of the second connecting rod 32, and then the threaded ring 35 is sleeved on the outer surface of the second connecting rod 32.Rotate the threaded ring 35 to move the threaded ring 35 on the outer surface of the second connecting rod 32, push the positioning block 33 to slide on the outer surface of the second connecting rod 32, press tightly on the outer surface of the second rod body 23, and further fix the position of the rectangular plate 26 on the outer surfaces of the first rod body 22 and the second rod body 23. The rubber convex strip 34 on one side of the outer surface of the positioning block 33 can increase the friction when the outer surface of the positioning block 33 contacts the outer surface of the second rod body 23, so that the positioning block 33 is not easy to slide when pressed on the outer surface of the second rod body 23 and is more stable. After the adjustment and fixation of the metal block 5 are completed, insert the metal support rod into the inside of the cylinder body 6 to support the plate body 1.,

Claims

1. An aluminum alloy formwork for the construction of externally hung precast slabs, characterized in that: It includes a plate body, and a convenient device is provided on the outer surface of the plate body. The convenient device includes an L-shaped plate and a rectangular plate. The top end of the outer surface of the L-shaped plate is fixedly connected to the inner wall of the plate body. One side of the outer surface of the L-shaped plate is fixedly connected to a first rod body. One end of the inner wall of the L-shaped plate away from the first rod body is threadedly connected to a first connecting rod. The outer surface of the first connecting rod is rotatably connected to the middle end of the inner wall of the plate body. One end of the outer surface of the first connecting rod is rotatably connected to a second rod body. The outer surface of the second rod body slides on the outer surface of the L-shaped plate. One end of the outer surface of the rectangular plate is fixedly connected to a metal block. The bottom end of the outer surface of the metal block is fixedly connected to a cylinder body. The distance between one side of the outer surface of the first rod body and one side of the outer surface of the L-shaped plate and the distance between one side of the outer surface of the second rod body and one side of the outer surface of the L-shaped plate are adapted to the thickness of the rectangular plate. One end of the outer surface of the first connecting rod away from the second rod body is fixedly connected to a cylindrical block. The outer surface of the cylindrical block is fixedly connected with a plurality of protrusions. The protrusions are circumferentially distributed on the outer surface of the cylindrical block. A protective sleeve is sleeved on the protrusions. The protective sleeve is made of a soft material; the number of the protrusions is 5, and the protective sleeve is made of silica gel or rubber material; a circular groove is opened on one side of the outer surface of the plate body close to the first connecting rod. The size and shape of the inner wall of the circular groove are adapted to the size and shape of the outer surface of the cylindrical block; two circular rings are fixedly connected to one side of the outer surface of the L-shaped plate close to the first connecting rod. The outer surface of the first connecting rod slides in the inner walls of the circular rings. The two circular rings are respectively located on the left and right sides of one end of the outer surface of the L-shaped plate; two limiting grooves are opened on one side of the outer surface of the L-shaped plate. Two T-shaped blocks are fixedly connected to the top end of the outer surface of the second rod body. The outer surface of the T-shaped block slides in the inner wall of the limiting groove; a limiting device is provided on the outer surface of the metal block. The limiting device includes a second connecting rod. Two rectangular grooves are opened on the outer surface of the second rod body. The outer surface of the second connecting rod slides in the inner walls of the rectangular grooves. A positioning block is slidably inserted into the outer surface of the second connecting rod. A threaded ring is threadedly connected to the outer surface of the second connecting rod; a plurality of convex strips are fixedly connected to one side of the outer surface of the positioning block. The convex strips are rubber strips made of rubber material; an auxiliary device is provided on one side of the outer surface of the metal block. The auxiliary device includes a sliding rod. A sliding groove is opened on one side of the outer surface of the metal block. The outer surface of the sliding rod slides in the inner wall of the sliding groove. One end of the outer surface of the sliding rod away from the metal block is fixedly connected to a groove block. A groove is opened on the outer surface of the groove block; one side of the outer surface of the sliding rod away from the groove block is fixedly connected to a rectangular block. One end of the outer surface of the rectangular block is fixedly connected to a slider. The outer surface of the rectangular block slides in the inner wall of the metal block. The outer surface of the slider slides on the outer surface of the metal block; a magnetic block is fixedly connected to one side of the outer surface of the metal block. The sliding rod is made of metal iron material.

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