Top plate formwork supporting assembly

Abstract

The invention discloses a top plate formwork supporting assembly which comprises a supporting positioning pipe and an upper jacking pipe and further comprises a jacking height adjusting mechanism, a beam column jacking mechanism and a main body bearing mechanism, the upper jacking pipe is arranged above the supporting positioning pipe, and the supporting positioning pipe and the upper jacking pipe are connected through the jacking height adjusting mechanism; a beam column jacking and supporting mechanism is arranged in the middle of the top end of the upper jacking and supporting pipe, and a main body bearing mechanism is arranged at the bottom end of the supporting and positioning pipe. According to the top plate formwork supporting assembly provided by the invention, the top supporting height adjusting mechanism is arranged, a hand disc is rotated to enable a worm and a turbine to drive a horizontal transmission gear and a lifting top supporting lead screw to rotate, so that a top connecting ring can drive an upper top supporting pipe to ascend, and therefore the height of a supporting structure can be rapidly adjusted; compared with an original device, the lifting structure is combined to the middles and the surfaces of the supporting positioning pipe and the upper jacking pipe, and the overall occupied area of the device is greatly reduced.

Description

Technical Field

[0001] The invention relates to the technical field of construction engineering tools, in particular to a top plate formwork support assembly. Background Art

[0002] The top slab formwork support is a vital component in building construction. It is used to support and fix the top slab formwork to ensure that the formwork remains stable and does not deform when pouring concrete. The system usually consists of pillars, beams and formwork. The pillars directly bear the weight of the formwork and effectively transfer the load to the structure below. When designing the top slab formwork support, multiple factors need to be considered comprehensively, including construction load, material strength, construction safety and construction environment.

[0003] For example, a roof formwork support assembly disclosed in Chinese Patent Publication No. (CN110485710A) records: "It includes a support, an adjustment mechanism, a support mechanism and a reinforcement mechanism. The adjustment mechanism is arranged above the support, and the support mechanism is arranged above the adjustment mechanism. The reinforcement mechanism is between the support and the support mechanism. The support includes a base, and a mounting groove is provided at the midpoint of the top of the base. The present invention realizes a roof formwork support assembly through the mutual cooperation among the support, the adjustment mechanism, the support mechanism and the reinforcement mechanism. The structure is simple and reasonable, and there is no need to build a complicated scaffolding-type bracket, which is convenient for operation and has the advantages of saving time, labor and materials. It also has the kinetic energy of adjustable height, which makes it convenient for workers to use it at different construction heights, and can make the device always maintain the maximum contact surface with the support surface according to the inclination angle of the support surface, thereby ensuring the stability of the support".

[0004] In summary, the device still has the following technical problems: when the actual support frame is erected, load calculation is required, and usually multiple groups of frames need to be staggered to achieve stable support for the top formwork. However, due to its large size, the device is inconvenient to use in normal construction, and the existing support frames generally use staggered steel pipes for support. However, due to the different building heights, the height of the pipes needs to be constantly adjusted during erection, which will greatly waste construction time. For this reason, it is necessary to propose a top plate formwork support assembly to provide a new technical solution to solve the technical problems mentioned in the above patent. Summary of the invention

[0005] Based on this, it is necessary to provide a top plate formwork support assembly to address the above-mentioned technical problems. By setting a top support height adjustment mechanism, turning the hand wheel to make the worm and the turbine drive the horizontal transmission gear and the lifting top support screw to rotate, the top connecting ring can drive the upper top support tube to rise, thereby quickly adjusting the height of the support structure. Compared with the original device that combines the lifting structure to the middle and surface of the support positioning tube and the upper top support tube, the overall footprint of the device is greatly reduced.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0007] A top plate formwork support component is used for supporting the top formwork of a building.

[0008] The top plate formwork support assembly specifically includes a support positioning tube and an upper top support tube, and also includes a top support height adjustment mechanism, a beam-column top support mechanism and a main body bearing mechanism. The upper end of the support positioning tube is provided with an upper top support tube, a top support height adjustment mechanism is provided in the middle of the support positioning tube and the upper top support tube, a beam-column top support mechanism is provided in the middle of the top end of the upper top support tube, and the bottom end of the support positioning tube is provided with a main body bearing mechanism.

[0009] As a preferred embodiment of the top plate formwork support assembly provided by the present invention, the top support height adjustment mechanism includes a bottom connecting ring, a top connecting ring, a longitudinal guide light rod, a lifting top support screw rod and a transmission assembly, the top end of the support positioning tube is fixedly connected with the bottom connecting ring, the bottom end of the upper top support tube is fixedly connected with the top connecting ring, the support positioning tube is coaxially arranged with the upper top support tube, the middle part of the bottom connecting ring is symmetrically fixedly connected with the longitudinal guide light rod, the top connecting ring is slidably connected to the surface of the longitudinal guide light rod, the middle part of the bottom connecting ring is symmetrically penetrated by the lifting top support screw rod, and the lifting top support screw rod is threadedly connected to the top connecting ring.

[0010] As a preferred embodiment of the top plate formwork support assembly provided by the present invention, the transmission assembly includes a support sleeve, a turbine, a positioning shaft, a worm and a hand plate, the outer wall of the bottom connecting ring is sleeved with a support sleeve, the surface of the bottom connecting ring is rotatably connected to the turbine, the middle outer side of the bottom connecting ring is rotatably connected to the positioning shaft, the surface of the positioning shaft is fixedly connected to the worm, the worm is meshed with the turbine, one end of the positioning shaft extends to the outside of the support sleeve, and the extended end of the positioning shaft is fixedly connected to the hand plate.

[0011] As a preferred embodiment of the top plate formwork support assembly provided by the present invention, the bottom ends of the two lifting top support screw rods pass through the surface of the bottom connecting ring and extend to the middle of the support sleeve ring, and the bottom ends of the two lifting top support screw rods are respectively fixedly connected with horizontal transmission gears, and the horizontal transmission gears are meshed with the turbine.

[0012] As a preferred embodiment of the top plate formwork support assembly provided by the present invention, the beam-column top support mechanism includes a support guide groove, an installation groove, a bearing top plate, a limit hinge seat and a top support assembly, the surface of the upper top support tube is provided with support guide grooves in a ring array, the top end of the upper top support tube is provided with installation grooves symmetrically to the support guide grooves, the top end of the upper top support tube is fixedly connected to the bearing top plate, and the middle part of the installation groove is fixedly connected to the limit hinge seat.

[0013] As a preferred embodiment of the top plate formwork support assembly provided by the present invention, the top support assembly includes a hydraulic cylinder, an annular bearing plate, a bearing rod, a top support rod, a U-shaped positioning frame, a rectangular groove, an external support frame, a wedge block, a sliding rod and an extrusion spring, the middle part of the upper top support tube is fixedly connected to the hydraulic cylinder, the transmission end of the hydraulic cylinder is fixedly connected to the annular bearing plate, the annular bearing plate is slidably arranged on the inner wall of the upper top support tube, the middle part of the limiting hinge seat is hingedly connected to the bearing rod, and the surface of the annular bearing plate is hingedly connected to the top support rod in an annular array. The end of the top support rod away from the annular carrying plate is hingedly connected to the carrying rod, and the end of the carrying rod away from the limiting hinge seat is fixedly connected to a U-shaped positioning frame, and rectangular grooves are opened on both sides of the U-shaped positioning frame. The two sides of the U-shaped positioning frame are symmetrically fixedly connected to an external support frame, and the inner wall of the rectangular groove is symmetrically slidably connected with a wedge block. The surface of the wedge block is fixedly connected with a sliding rod, and the sliding rod is slidably set in the middle part of the external support frame. The surface of the sliding rod is sleeved with an extrusion spring, and the extrusion spring is clamped between the external support frame and the wedge block.

[0014] As a preferred embodiment of the top plate formwork support assembly provided by the present invention, the main body bearing mechanism includes an avoidance groove, a gear articulated seat, a rotating shaft, a longitudinal transmission gear, a flip support rod, an anti-slip foot seat and a lifting guide assembly, and the surface of the supporting positioning tube is provided with three avoidance grooves in a circular array, and the bottom ends of the three avoidance grooves are respectively fixedly connected to the gear articulated seats, the middle part of the gear articulated seat is fixedly connected to the rotating shaft, the surface of the rotating shaft is rotatably connected to the longitudinal transmission gear, the surface of the longitudinal transmission gear is fixedly connected to the flip support rod, and the end of the flip support rod away from the longitudinal transmission gear is hingedly connected to the anti-slip foot seat.

[0015] As a preferred embodiment of the top plate formwork support assembly provided by the present invention, the lifting guide assembly includes a bottom positioning ring seat, a sliding column, a tooth groove, a chassis and a reset spring, the inner wall of the support positioning tube is fixedly connected with the bottom positioning ring seat, the middle part of the support positioning tube is slidably connected with the sliding column, the surface of the sliding column is provided with three groups of tooth grooves in a linear array and the three groups of tooth grooves correspond one by one to the avoidance grooves, the bottom end of the sliding column is fixedly connected with the chassis, the middle part of the support positioning tube is provided with a reset spring, and the reset spring is clamped between the bottom positioning ring seat and the sliding column.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The top plate formwork support assembly provided by the present invention, by providing a top support height adjustment mechanism, the turbine and the worm gear cooperate to achieve the relative height adjustment of the support positioning tube and the upper top support tube, and at the same time the turbine and the worm gear have a self-locking function, which can effectively avoid the realization of locking the assembly due to excessive load-bearing weight, and such a setting can fine-tune the height of the top support at any time, thereby increasing the overall adaptability range of the device.

[0018] The top plate formwork support assembly provided by the present invention, by setting a beam-column top support mechanism, can directly support the top plate through the load-bearing top plate when the top bearing area is small; if the overall area is large, the load-bearing rod can be extended to allow the U-shaped positioning frame to support the cross bracing rod, thereby effectively increasing the force-bearing area of ​​the top support position and effectively reducing the use of the supporting structure, thereby effectively shortening the construction time, reducing costs and increasing efficiency.

[0019] The top plate formwork support assembly provided by the present invention can effectively reduce the overall footprint of the device during transportation by hiding the beam-column top support mechanism and the main body bearing mechanism in the middle of the support positioning tube and the upper top support tube respectively. At the same time, the flip support rods and the beam-slab support rods can be quickly unfolded during use, thereby greatly improving efficiency during transportation and construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the scheme of the present invention, a brief introduction is given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 A schematic diagram of the overall structure of the top plate formwork support assembly provided by the present invention;

[0022] Figure 2 A schematic diagram of the planar structure of the top plate formwork support assembly provided by the present invention;

[0023] Figure 3 Top plate formwork support assembly provided by the present invention Figure 2 Schematic diagram of the cross-sectional structure at AA in the middle;

[0024] Figure 4 A schematic diagram of the internal structure of a top support height adjustment mechanism of a top plate formwork support assembly provided by the present invention;

[0025] Figure 5 A schematic diagram of the structure of the beam-column top support mechanism of the top plate formwork support assembly provided by the present invention;

[0026] Figure 6 A schematic structural diagram of a top support assembly in a beam-column top support mechanism of a top plate formwork support assembly provided by the present invention;

[0027] Figure 7 Top plate formwork support assembly provided by the present invention Figure 6 A schematic diagram of the enlarged structure at A in the middle;

[0028] Figure 8 A schematic diagram of the structure of the top support pipe of the top plate formwork support assembly provided by the present invention;

[0029] Fig. 9 A schematic diagram of the structure of the main bearing mechanism of the roof template support assembly provided by the present invention;

[0030] Fig.10 Top plate formwork support assembly provided by the present invention Fig. 9 A schematic diagram of the enlarged structure at B in the middle;

[0031] Fig.11 A schematic diagram of the internal structure of the main bearing mechanism of the top plate formwork support assembly provided by the present invention.

[0032] The markings in the figure are as follows:

[0033] 1. Support positioning tube; 2. Upper support tube; 3. Support height adjustment mechanism; 4. Beam support mechanism; 5. Main body bearing mechanism; 6. Bottom connecting ring; 7. Top connecting ring; 8. Longitudinal guide light rod; 9. Lifting support screw rod; 10. Support collar; 11. Turbine; 12. Horizontal transmission gear; 13. Positioning shaft rod; 14. Worm; 15. Hand plate; 16. Support guide groove; 17. Mounting groove; 18. Bearing top plate; 19. Hydraulic cylinder; 20. Ring bearing Carrying plate; 21. Limiting hinge seat; 22. Carrying rod; 23. Top support rod; 24. U-shaped positioning frame; 25. Rectangular groove; 26. External supporting frame; 27. Avoidance groove; 28. Gear hinge seat; 29. ​​Rotating shaft; 30. Longitudinal transmission gear; 31. Flip support rod; 32. Bottom positioning ring seat; 33. Sliding column; 34. Tooth groove; 35. Chassis; 36. Reset spring; 37. Anti-slip foot seat; 38. Wedge block; 39. Sliding rod; 40. Extrusion spring. DETAILED DESCRIPTION

[0034] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme 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, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0035] As described in the background technology, load calculation is required during the actual erection of the support frame, and usually multiple sets of frames need to be staggered to achieve stable support for the top formwork. However, due to its large size, the device is inconvenient to use in normal construction, and existing support frames generally use staggered steel pipes for support. However, due to the different building floor heights, the height of the pipes needs to be constantly adjusted during erection, which will greatly waste construction time.

[0036] In order to solve this technical problem, the present invention provides a top plate formwork support assembly, which is applied to building top plate support.

[0037] Specifically, please refer to Figure 1-Figure 3 The top plate formwork support assembly specifically includes a support positioning tube 1 and an upper top support tube 2, and also includes a top support height adjustment mechanism 3, a beam-column top support mechanism 4 and a main body bearing mechanism 5. An upper top support tube 2 is arranged above the support positioning tube 1, and the support positioning tube 1 and the upper top support tube 2 are connected by the top support height adjustment mechanism 3. A beam-column top support mechanism 4 is arranged in the middle of the top end of the upper top support tube 2, and a main body bearing mechanism 5 is arranged at the bottom end of the support positioning tube 1.

[0038] The top plate formwork support assembly provided by the present invention is provided with a top support height adjustment mechanism 3. By rotating the hand plate 15, the worm 14 and the turbine 11 drive the horizontal transmission gear 12 and the lifting top support screw 9 to rotate, so that the top connecting ring 7 drives the upper top support tube 2 to rise, thereby quickly adjusting the height of the support structure. Compared with the original device that combines the lifting structure to the middle and surface of the support positioning tube 1 and the upper top support tube 2, the overall footprint of the device is greatly reduced.

[0039] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings.

[0040] Embodiment 1:

[0041] Please refer to Figure 2-Figure 4 , a top plate formwork support assembly, a top support height adjustment mechanism 3 includes a bottom connecting ring 6, a top connecting ring 7, a longitudinal guide light rod 8, a lifting top support screw rod 9 and a transmission assembly, the top end of the support positioning tube 1 is fixedly connected with the bottom connecting ring 6, and the bottom end of the upper top support tube 2 is fixedly connected with the top connecting ring 7. In actual application, the cross-sections of the bottom connecting ring 6 and the top connecting ring 7 are both T-shaped, the bottom connecting ring 6 maintains a vertical T-shape and is fixedly connected to the upper part of the support positioning tube 1, and the top connecting ring 7 maintains an inverted T-shape and is fixedly arranged on the bottom outer side of the upper top support tube 2, the support positioning tube 1 is coaxially arranged with the upper top support tube 2, the middle part of the bottom connecting ring 6 is symmetrically fixedly connected with the longitudinal guide light rod 8, the top connecting ring 7 is slidably connected to the surface of the longitudinal guide light rod 8, the middle part of the bottom connecting ring 6 is symmetrically penetrated by the lifting top support screw rod 9, and the lifting top support screw rod 9 is threadedly connected to the top connecting ring 7.

[0042] Specifically, the transmission assembly includes a supporting collar 10, a turbine 11, a positioning shaft 13, a worm 14 and a hand plate 15. The outer wall of the bottom connecting ring 6 is sleeved with the supporting collar 10, the surface of the bottom connecting ring 6 is rotatably connected to the turbine 11, the outer middle part of the bottom connecting ring 6 is rotatably connected to the positioning shaft 13, the surface of the positioning shaft 13 is fixedly connected to the worm 14, the worm 14 is meshed with the turbine 11, one end of the positioning shaft 13 extends to the outside of the supporting collar 10, and the extended end of the positioning shaft 13 is fixedly connected to the hand plate 15.

[0043] Specifically, the bottom ends of the two lifting support screw rods 9 pass through the surface of the bottom connecting ring 6 and extend to the middle of the supporting sleeve ring 10 . The bottom ends of the two lifting support screw rods 9 are respectively fixedly connected with horizontal transmission gears 12 , and the horizontal transmission gears 12 are meshed with the turbine 11 .

[0044] Through the above structural design, when the device is used, the supporting positioning tube 1 and the upper top support tube 2 are first placed vertically at a preset point. After completion, the hand plate 15 is rotated, and the hand plate 15 drives the worm 14 and the positioning shaft 13 to rotate synchronously. Since the worm 14 is meshed with the turbine 11, the rotation of the worm 14 drives the turbine 11 to rotate on the surface of the bottom connecting ring 6. The rotation of the turbine 11 drives the horizontal transmission gears 12 on both sides to synchronously drive the lifting and lowering support screw rod 9 to rotate. When the lifting and lowering support screw rod 9 rotates, it can push the upper top support tube 2 to slide upward through the top connecting ring 7 on the surface of the longitudinal guide light rod 8 until the top end of the upper top support tube 2 contacts the top template to complete the installation of the support device.

[0045] Embodiment 2:

[0046] The top plate formwork support assembly provided in Example 1 is further optimized, specifically, as follows Figure 4-Figure 11 As shown, the beam-column supporting mechanism 4 includes a supporting guide groove 16, an installation groove 17, a bearing top plate 18, a limiting hinge seat 21 and a supporting assembly. The surface of the upper supporting tube 2 is provided with supporting guide grooves 16 in a circular array, and the top of the upper supporting tube 2 is provided with an installation groove 17 symmetrical to the supporting guide groove 16. The top of the upper supporting tube 2 is fixedly connected to the bearing top plate 18, and the middle of the installation groove 17 is fixedly connected to the limiting hinge seat 21.

[0047] Specifically, the top support assembly includes a hydraulic cylinder 19, an annular bearing plate 20, a bearing rod 22, a top support rod 23, a U-shaped positioning frame 24, a rectangular groove 25, an external support frame 26, a wedge block 38, a sliding rod 39 and an extrusion spring 40. The middle part of the upper top support tube 2 is fixedly connected with the hydraulic cylinder 19, and the transmission end of the hydraulic cylinder 19 is fixedly connected with the annular bearing plate 20. The annular bearing plate 20 is slidably arranged on the inner wall of the upper top support tube 2. The middle part of the limiting hinge seat 21 is hingedly connected with the bearing rod 22. The surface of the annular bearing plate 20 is hingedly connected with the top support rod 23 in an annular array. The end of the top support rod 23 away from the annular bearing plate 20 is hingedly connected to the bearing rod 22. One end of the rod 22 away from the limit hinge seat 21 is fixedly connected to a U-shaped positioning frame 24, and rectangular grooves 25 are opened on both sides of the U-shaped positioning frame 24. The two sides of the U-shaped positioning frame 24 are symmetrically fixedly connected to external support frames 26, and the inner walls of the rectangular grooves 25 are symmetrically slidably connected to wedge blocks 38. The surface of the wedge block 38 is fixedly connected to a sliding rod 39, and the sliding rod 39 is slidably set in the middle of the external support frame 26. The surface of the sliding rod 39 is sleeved with an extrusion spring 40, which is clamped between the external support frame 26 and the wedge block 38. When the extrusion spring 40 is squeezed, the extrusion spring 40 always applies a thrust to the corresponding wedge block 38.

[0048] Specifically, the main body bearing mechanism 5 includes an avoidance groove 27, a gear articulated seat 28, a rotating shaft 29, a longitudinal transmission gear 30, a flip support rod 31, an anti-skid foot seat 37 and a lifting guide assembly. The surface of the supporting positioning tube 1 is provided with three avoidance grooves 27 in a circular array. The bottom ends of the three avoidance grooves 27 are respectively fixedly connected to the gear articulated seats 28, the middle part of the gear articulated seat 28 is fixedly connected to the rotating shaft 29, the surface of the rotating shaft 29 is rotatably connected to the longitudinal transmission gear 30, the surface of the longitudinal transmission gear 30 is fixedly connected to the flip support rod 31, and the end of the flip support rod 31 away from the longitudinal transmission gear 30 is hingedly connected to the anti-skid foot seat 37.

[0049] Specifically, the lifting and lowering guide assembly includes a bottom positioning ring seat 32, a sliding column 33, a tooth groove 34, a chassis 35 and a return spring 36. The inner wall of the support positioning tube 1 is fixedly connected with the bottom positioning ring seat 32, and the middle part of the support positioning tube 1 is slidably connected with the sliding column 33. The surface of the sliding column 33 is provided with three groups of tooth grooves 34 in a linear array, and the three groups of tooth grooves 34 correspond to the avoidance grooves 27 one by one. The bottom end of the sliding column 33 is fixedly connected with the chassis 35, and the middle part of the support positioning tube 1 is provided with a return spring 36, and the return spring 36 is clamped between the bottom positioning ring seat 32 and the sliding column 33.

[0050] Through the above structural design, the supporting and positioning tube 1 is placed at a preset point and contacts the ground while the chassis 35 contacts the ground. Since the sliding column 33 is slidably connected to the supporting and positioning tube 1 and the upper device itself has a certain weight, the supporting and positioning tube 1 slides downward on the surface of the chassis 35. While the supporting and positioning tube 1 slides, it drives the bottom positioning ring seat 32 to move downward to squeeze the reset spring 36, and at the same time drives the longitudinal transmission gear 30 in the avoidance groove 27 to move downward. Since the longitudinal transmission gear 30 is engaged with the tooth groove 34 on the surface of the sliding column 33, the supporting and positioning tube 1 descends while driving the longitudinal transmission gear 30 to rotate outward. The rotation of the longitudinal transmission gear 30 drives the flip support rod 31 to flip outward so that the anti-slip foot seat 37 contacts the ground, thereby supporting the top support height adjustment mechanism 3 and the beam column support mechanism 4. The top end of the load-bearing top plate 18 contacts the bottom surface of the template for support. If there is a height deviation, the hand plate 15 can be turned to drive the turbine 11 and the worm 14 to rotate, and then the horizontal transmission gear 12 can be used to drive the lifting support screw 9 to rotate. The supporting height of the bearing top plate 18 is controlled by the top connecting ring 7 and the upper supporting tube 2. If the overall bearing area is large, the hydraulic cylinder 19 is turned on before supporting. The output end of the hydraulic cylinder 19 extends to push the annular bearing plate 20 to slide upward inside the upper supporting tube 2. While the annular bearing plate 20 slides, the supporting rod 22 is pushed upward by the supporting rod 23. After the supporting rod 23 is turned 90 degrees, the limiting hinge seat 21 limits it. At this time, the four bearing rods 22 are in a horizontal state. After completion, the supporting height adjustment mechanism 3 can be used to adjust the bearing rod 22. The position of the top of the upper top support tube 2 is adjusted. When the top support height adjustment mechanism 3 controls the load-bearing rod 22 to rise, the wedge block 38 contacts the top plate supporting wood. The wood squeezes the wedge block 38 to make it slide outward in the middle of the rectangular groove 25, so that the sliding rod 39 and the middle of the external support frame 26 can slide outward. The wedge block 38 is squeezed by the squeezing spring 40 to achieve the positioning of the wood. At the same time, if the height of the wood is offset, the top support height of the entire device can be adjusted by controlling the top support height adjustment mechanism 3.

Claims

1. A roof formwork support assembly, comprising a support positioning tube (1) and an upper top support tube (2), characterized in that; It also comprises a top support height adjustment mechanism (3), a beam-column top support mechanism (4) and a main body bearing mechanism (5); an upper top support tube (2) is arranged above the support positioning tube (1); the support positioning tube (1) and the upper top support tube (2) are connected via the top support height adjustment mechanism (3); a beam-column top support mechanism (4) is arranged at the top end of the upper top support tube (2); and a main body bearing mechanism (5) is arranged at the bottom end of the support positioning tube (1).

2. The top plate formwork support assembly according to claim 1, characterized in that: The top support height adjustment mechanism (3) comprises a bottom connecting ring (6), a top connecting ring (7), a longitudinal guide light rod (8), a lifting top support screw rod (9) and a transmission assembly. The cross sections of the bottom connecting ring (6) and the top connecting ring (7) are both T-shaped. The top end of the support positioning tube (1) is fixedly connected to the bottom connecting ring (6), and the bottom end of the upper top support tube (2) is fixedly connected to the top connecting ring (7). The support positioning tube (1) is coaxially arranged with the upper top support tube (2). The middle part of the bottom connecting ring (6) is symmetrically fixedly connected to the longitudinal guide light rod (8). The top connecting ring (7) is slidably connected to the surface of the longitudinal guide light rod (8). The middle part of the bottom connecting ring (6) is symmetrically penetrated by the lifting top support screw rod (9), and the lifting top support screw rod (9) is threadedly connected to the top connecting ring (7).

3. The top plate formwork support assembly according to claim 2, characterized in that: The transmission assembly comprises a supporting collar (10), a turbine (11), a positioning shaft (13), a worm (14) and a hand plate (15); the outer wall of the bottom connecting ring (6) is sleeved with the supporting collar (10); the surface of the bottom connecting ring (6) is rotatably connected to the turbine (11); the outer side of the middle part of the bottom connecting ring (6) is rotatably connected to the positioning shaft (13); the surface of the positioning shaft (13) is fixedly connected to the worm (14); the worm (14) is meshed with the turbine (11); one end of the positioning shaft (13) extends to the outside of the supporting collar (10); the extended end of the positioning shaft (13) is fixedly connected to the hand plate (15).

4. The top plate formwork support assembly according to claim 3, characterized in that: The bottom ends of the two lifting and supporting screw rods (9) penetrate the surface of the bottom connecting ring (6) and extend to the middle of the supporting sleeve ring (10). The bottom ends of the two lifting and supporting screw rods (9) are respectively fixedly connected with horizontal transmission gears (12), and the horizontal transmission gears (12) are meshed with the turbine (11).

5. The roof formwork support assembly according to claim 4, characterized in that: The beam-column supporting mechanism (4) comprises a supporting guide groove (16), a mounting groove (17), a bearing top plate (18), a limiting hinge seat (21) and a supporting assembly; the surface of the upper supporting tube (2) is provided with supporting guide grooves (16) in a circular array; the top end of the upper supporting tube (2) is provided with mounting grooves (17) symmetrically to the supporting guide grooves (16); the top end of the upper supporting tube (2) is fixedly connected to the bearing top plate (18); and the middle of the mounting groove (17) is fixedly connected to the limiting hinge seat (21).

6. The roof formwork support assembly according to claim 5, characterized in that: The supporting assembly comprises a hydraulic cylinder (19), an annular bearing plate (20), a bearing rod (22), a supporting rod (23), a U-shaped positioning frame (24), a rectangular groove (25), an external supporting frame (26), a wedge block (38), a sliding rod (39) and an extrusion spring (40). The middle part of the upper supporting tube (2) is fixedly connected with the hydraulic cylinder (19). The transmission end of the hydraulic cylinder (19) is fixedly connected with the annular bearing plate (20). The annular bearing plate (20) is slidably arranged on the inner wall of the upper supporting tube (2). The middle part of the limiting hinge seat (21) is hingedly connected with the bearing rod (22). The surface of the annular bearing plate (20) is hingedly connected with the supporting rod (23) in an annular array. The supporting rod (23) is away from the annular bearing plate ( One end of the support rod (20) is hingedly connected to the support rod (22), and one end of the support rod (22) away from the limiting hinge seat (21) is fixedly connected to a U-shaped positioning frame (24), and rectangular grooves (25) are provided on both sides of the U-shaped positioning frame (24), and the two sides of the U-shaped positioning frame (24) are symmetrically fixedly connected to an external support frame (26), and the inner wall of the rectangular groove (25) is symmetrically slidably connected to a wedge block (38), and the surface of the wedge block (38) is fixedly connected to a sliding rod (39), and the sliding rod (39) is slidably set in the middle part of the external support frame (26), and the surface of the sliding rod (39) is sleeved with an extrusion spring (40), and the extrusion spring (40) is clamped between the external support frame (26) and the wedge block (38).

7. The roof formwork support assembly according to claim 6, characterized in that: The main body bearing mechanism (5) comprises an avoidance groove (27), a gear articulated seat (28), a rotating shaft (29), a longitudinal transmission gear (30), a flip support rod (31), an anti-skid foot seat (37) and a lifting guide assembly. The surface of the supporting positioning tube (1) is provided with three avoidance grooves (27) in a ring array. The bottom ends of the three avoidance grooves (27) are respectively fixedly connected to the gear articulated seat (28). The middle part of the gear articulated seat (28) is fixedly connected to the rotating shaft (29). The surface of the rotating shaft (29) is rotatably connected to the longitudinal transmission gear (30). The surface of the longitudinal transmission gear (30) is fixedly connected to the flip support rod (31). The end of the flip support rod (31) away from the longitudinal transmission gear (30) is hingedly connected to the anti-skid foot seat (37).

8. The roof formwork support assembly according to claim 7, characterized in that: The lifting guide assembly comprises a bottom positioning ring seat (32), a sliding column (33), a tooth groove (34), a chassis (35) and a return spring (36); the inner wall of the support positioning tube (1) is fixedly connected with the bottom positioning ring seat (32); the middle part of the support positioning tube (1) is slidably connected with the sliding column (33); the surface of the sliding column (33) is provided with three groups of tooth grooves (34) in a linear array, and the three groups of tooth grooves (34) correspond to the avoidance grooves (27) one by one; the bottom end of the sliding column (33) is fixedly connected with the chassis (35); the middle part of the support positioning tube (1) is provided with a return spring (36); the return spring (36) is clamped between the bottom positioning ring seat (32) and the sliding column (33).

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