Liftable support frame for building construction

Abstract

This utility model relates to the field of building engineering technology and discloses a liftable support frame for building construction, including a support plate. Multiple support mechanisms are provided at the bottom of the support plate for support. A disassembly mechanism is provided near the edge of the top of the support plate for disassembly. A pushing mechanism is provided near the center of the top of the support plate. A connecting plate is provided at the top of the support plate, a rotating mechanism is provided at the bottom of the connecting plate, and a protective mechanism is provided at the top of the connecting plate. In this utility model, the support plate is first pushed until it reaches a suitable position. When height adjustment is needed, a bolt is rotated and unscrewed, disengaging from the threaded rod until the anti-slip plate contacts the ground. This achieves height adjustment of the support plate while providing stable support.

Description

Technical Field

[0001] This utility model relates to the field of building engineering technology, and in particular to a liftable support frame for building construction. Background Technology

[0002] Liftable support frames for building construction are support devices that can flexibly adjust their height according to construction needs. They mainly consist of columns, beams, lifting mechanisms, and control systems. The columns are mostly welded from high-strength steel, providing excellent stability. The beams bear the construction loads. The lifting mechanism is usually driven by hydraulics or electricity, enabling smooth lifting and lowering of the support frame. This type of support frame offers significant advantages in construction. On the one hand, it can adapt to building construction scenarios with different floor heights, reducing the workload of frequent erection and dismantling of traditional scaffolding and improving construction efficiency. On the other hand, through precise lifting control, it can ensure the levelness and safety of the support surface, reducing construction risks. It is commonly used for formwork support in high-rise buildings and bridge construction, and is an important piece of equipment for achieving efficient and safe construction in modern building engineering.

[0003] A search revealed Chinese Patent Publication No. CN219909848U, which discloses a liftable support frame for building construction, including a base and a top seat. The top of the base is equipped with a power mechanism, and the top of the power mechanism is hinged with a scissor-type telescopic frame. The bottom left side of the top seat has sliding grooves at both ends, and a slider is slidably connected to the inside of the sliding groove. A fixing block is fixedly installed at the bottom of the slider. This utility model adopts the above-mentioned structure. Compared with the existing technical solutions, this technical solution uses a ball bearing design, which makes it more stable than the omnidirectional wheel for movement support. In addition, its telescopic support legs and sleeves can be used to flexibly adjust the support at the four corners of the bottom according to the uneven ground, so as to adapt to different degrees of uneven ground, thereby creating a more stable support state for the base and top seat. This makes the lifting support more stable during construction, with strong overall stability and less prone to tipping. It is worth promoting and applying. Although this device achieves more stable lifting support during construction and has strong overall stability and less prone to tipping, it cannot solve the problem that the height of the support part cannot be adjusted. The ground of construction sites is often uneven, which leads to the problem of unstable support. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a liftable support frame for building construction, which aims to improve the problem that the height of the support part is not adjustable in the existing technology, while the ground of construction sites is often uneven, resulting in unstable support.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a liftable support frame for building construction, comprising a support plate, wherein multiple support mechanisms are provided at the bottom of the support plate for providing support, a disassembly mechanism is provided at the top of the support plate near the edge for disassembly, a pushing mechanism is provided at the top of the support plate near the center, a connecting plate is provided at the top of the support plate, a rotating mechanism is provided at the bottom of the connecting plate, and a protective mechanism is provided at the top of the connecting plate;

[0006] The support mechanism includes multiple support columns, the tops of which are fixedly connected to the bottom of the support plate. Multiple limiting holes are provided on the front side of each support column. A threaded rod is rotatably connected to the inner wall of each limiting hole. A bolt is threadedly connected to the rear side of the outer wall of the threaded rod. A sleeve is fixedly connected to the front side of the bolt. A universal ball is rotatably connected to the bottom of the sleeve. A limiting component is provided on the right side of the support column.

[0007] The above technical solution includes a support plate with multiple support mechanisms evenly distributed on its bottom. These support mechanisms provide stable support. A disassembly mechanism is located near the edge of the top of the support plate to facilitate disassembly. A pushing mechanism is located near the center of the top of the support plate to perform a specific pushing function. A connecting plate is also located on the top of the support plate. The bottom of the connecting plate is equipped with a rotating mechanism, allowing the connecting plate to rotate. A protective mechanism is located on the top of the connecting plate to ensure safety during use. For safety, the support mechanism includes multiple support columns, the tops of which are firmly fixed to the bottom of the support plate. Each support column has multiple limiting holes on its front side, and a threaded rod is rotatably connected to the inner wall of these limiting holes. A bolt is threaded to the rear side of the outer wall of the threaded rod, ensuring the stability and reliability of the threaded rod. A sleeve is fixedly connected to the front side of the bolt, and a universal ball is rotatably connected to the bottom of the sleeve, allowing the support column to adapt to different ground conditions and provide flexible support. A limit component is set on the right side of the support column to limit the range of movement of the support column and ensure the stability of the overall structure.

[0008] As a further description of the above technical solution:

[0009] The disassembly mechanism includes a square frame, the bottom of which is fixedly connected to the top of the support plate. A cylindrical hole is provided on the right side of the square frame. A bolt is rotatably connected to the inner wall of the cylindrical hole. A nut is threaded to the rear side of the outer wall of the bolt. A buckle assembly is provided on the top of the square frame.

[0010] Through the above technical solution: the disassembly mechanism specifically includes a square frame. The bottom part of this square frame is fixedly connected to the top surface of the support plate, ensuring the stability of the disassembly mechanism and allowing the square frame to be fixed on the support plate. A cylindrical hole is opened on the right side of the square frame. A bolt is rotatably connected to the inner wall of this hole, and a nut is threaded to the rear part of the outer wall of the bolt, allowing the bolt to rotate within the hole, thereby realizing the adjustment function of the disassembly mechanism. A snap-fit ​​assembly is also provided at the top of the square frame. This snap-fit ​​assembly can be used to fix and release other components in the disassembly mechanism, thereby further enhancing the flexibility and functionality of the disassembly mechanism. The disassembly mechanism can effectively realize its predetermined disassembly function while maintaining structural stability and ease of operation.

[0011] As a further description of the above technical solution:

[0012] The limiting component includes a connecting block, the left side of which is fixedly connected to the right side of the support column. The inner wall of the connecting block has a threaded hole, and a threaded rod is threadedly connected to the inner wall of the threaded hole. An anti-slip plate is fixedly connected to the bottom of the threaded rod.

[0013] Through the above technical solution: the limiting component includes a connecting block, which is fixedly connected to the right side of the support column, ensuring the stability and firmness between the connecting block and the support column, thus providing a solid foundation for the entire limiting component. A threaded hole is opened on the inner wall of the connecting block, so that its inner wall has threads, so that it can be threadedly connected to the threaded rod two. The threaded rod two can be firmly screwed into the threaded hole, thereby further enhancing the overall stability and reliability of the limiting component. In order to improve the functionality and safety of the limiting component, an anti-slip plate is fixedly connected to the bottom of the threaded rod two. During use, the anti-slip plate causes the threaded rod two to slide and loosen due to external forces, thereby ensuring the stability and reliability of the entire limiting component in various working environments, effectively preventing accidents and improving the safety performance of the equipment.

[0014] As a further description of the above technical solution:

[0015] The buckle assembly includes a buckle post, the outer wall of which is slidably connected to the top of the square frame. The top of the square frame is provided with multiple circular grooves, the inner wall of which is slidably connected to the outer wall of the buckle post.

[0016] Through the above technical solution: the buckle assembly specifically includes a buckle post, the outer wall of which can be smoothly slidably connected to the top of the square frame. Multiple circular grooves are evenly opened on the top of the square frame, and the inner walls of these circular grooves can also be smoothly slidably connected to the outer wall of the buckle post, thereby ensuring the stability and flexibility of the buckle assembly on the top of the square frame. The buckle assembly can easily slide on the top of the square frame to achieve the required function.

[0017] As a further description of the above technical solution:

[0018] The pushing mechanism includes a hydraulic rod, the right side of which is fixedly connected to the right side of the square frame, and a rotating block is fixedly connected to the left side of the hydraulic rod.

[0019] Through the above technical solution: the pushing mechanism mainly includes a hydraulic rod, the right side of which is fixedly connected to the right edge of the square frame. The hydraulic rod can effectively transmit force to the square frame, thereby realizing the predetermined mechanical movement and operation. In addition, a rotating block is fixedly connected to the left end of the hydraulic rod. The rotating block provides additional mechanical advantages or changes the direction of movement, making the entire pushing mechanism more flexible and efficient when performing tasks. Through the coordinated work of the hydraulic rod and the rotating block, complex mechanical actions can be realized to meet various engineering needs.

[0020] As a further description of the above technical solution:

[0021] The rotating mechanism includes a rotating rod, the top of which is rotatably connected to the bottom of the connecting plate, and a slide rail slidably connected to the bottom of the rotating rod.

[0022] Through the above technical solution: the rotating mechanism specifically includes a rotating rod, the top of which is connected to the bottom of the connecting plate, so that the rotating rod can rotate freely within a certain angle range. The bottom of the rotating rod is designed with a sliding connection to connect with the slide rail, so that the rotating rod can slide freely on the slide rail, ensuring that the rotating rod can also perform linear motion on the slide rail while rotating, thereby realizing more complex motion trajectories and functions.

[0023] As a further description of the above technical solution:

[0024] The protective mechanism includes multiple fixed columns, the bottom of which is fixedly connected to the top of the connecting plate, and a protective rod is fixedly connected to the top of each of the multiple fixed columns.

[0025] Through the above technical solution: the protective mechanism consists of multiple fixed columns. The bottom part of these fixed columns is carefully designed to ensure a fixed connection with the top of the connecting plate, ensuring the stability of the structure and being able to withstand a certain amount of external impact. Each fixed column is equipped with a protective rod at the top. These protective rods are connected to the fixed columns through a reliable fixing method, thereby forming a robust protective structure. The entire protective mechanism is designed to provide effective protective functions and ensure reliable protection in various working environments.

[0026] As a further description of the above technical solution:

[0027] A platform is fixedly connected to the top of the connecting plate, and the top of the platform is fixedly connected to the bottom of the fixed column. The platform is used to provide support.

[0028] Through the above technical solution: the top of the connecting plate is firmly fixed and connected to a platform, and the top of the platform is further closely connected to the bottom of a fixed column to form a stable structure. The main function of the platform is to provide necessary support to ensure the stability and reliability of the entire device. The platform can withstand a certain weight and pressure, thereby making the entire system more stable and adaptable to various usage environments and conditions.

[0029] This utility model has the following beneficial effects:

[0030] 1. In this utility model, the support plate is first pushed until it reaches the appropriate position. When the height needs to be adjusted, the bolt is rotated and unscrewed. At this time, the bolt is removed from the threaded rod. Then, the sleeve drives the threaded rod to pull away from the limiting hole on the support column. Then, the threaded rod is rotated until the anti-slip plate contacts the ground, thus realizing the function of adjusting the height of the support plate and providing stable support.

[0031] 2. In this utility model, when it is necessary to carry it, first unscrew the nut. At this time, the nut will leave the bolt two, and at the same time, the bolt two will leave the cylindrical hole. Then, take out the locking post along the circular groove. At this time, the support plate will separate from the square frame, and then it can be carried. This realizes the function of being able to disassemble it, making it convenient to carry and install. Attached Figure Description

[0032] Figure 1 This is a front perspective view of the liftable support frame for building construction proposed in this utility model.

[0033] Figure 2 This is a partial structural disassembly diagram of the connecting plate of the liftable support frame for building construction proposed in this utility model;

[0034] Figure 3This is a partial structural breakdown of the square frame of the liftable support frame for building construction proposed in this utility model.

[0035] Figure 4 This is a partial structural breakdown diagram of the support column of the liftable support frame for building construction proposed in this utility model.

[0036] Figure 5 This is a partial structural breakdown diagram of the threaded rod of the liftable support frame for building construction proposed in this utility model.

[0037] Legend:

[0038] 1. Support plate; 2. Support mechanism; 201. Support column; 202. Limiting hole; 203. Threaded rod one; 204. Bolt one; 205. Sleeve; 206. Universal ball; 207. Limiting assembly; 2071. Connecting block; 2072. Threaded rod two; 2073. Anti-slip plate; 3. Disassembly mechanism; 301. Square frame; 302. Cylindrical hole; 303. Bolt two; 304. Nut; 305. Buckle assembly; 3051. Circular groove; 3052. Locking post; 4. Pushing mechanism; 401. Hydraulic rod; 402. Rotating block; 5. Rotating mechanism; 501. Rotating rod; 502. Slide rail; 6. Protective mechanism; 601. Fixed column; 602. Protective rod; 7. Connecting plate; 8. Platform; 9. Threaded hole. Detailed Implementation

[0039] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0040] Please see the appendix Figure 1 Appendix Figure 4 and attached Figure 5 The present invention provides an embodiment of a liftable support frame for construction engineering, comprising a support plate 1, a plurality of support mechanisms 2 at the bottom of the support plate 1 for providing support, a disassembly mechanism 3 at the top near the edge of the support plate 1 for disassembly, a pushing mechanism 4 at the top near the middle of the support plate 1, a connecting plate 7 at the top of the support plate 1 for connection, a rotating mechanism 5 at the bottom of the connecting plate 7, and a protective mechanism 6 at the top of the connecting plate 7 for protection.

[0041] The support mechanism 2 includes multiple support columns 201, the tops of which are fixedly connected to the bottom of the support plate 1. Multiple limiting holes 202 are provided on the front side of each support column 201 for limiting. A threaded rod 203 is rotatably connected to the inner wall of the limiting hole 202. A bolt 204 is threadedly connected to the rear side of the outer wall of the threaded rod 203. A sleeve 205 is fixedly connected to the front side of the bolt 204. A universal ball 206 is rotatably connected to the bottom of the sleeve 205, allowing rotation. A limiting component 207 is provided on the right side of the support column 201, serving a limiting function. The limiting component 207 includes a connecting block 2071, the left side of which is fixedly connected to the right side of the support column 201. A threaded hole 9 is provided on the inner wall of the connecting block 2071. A threaded rod 2072 is threadedly connected to the inner wall of the threaded hole 9. An anti-slip plate 2073 is fixedly connected to the bottom of the threaded rod 2072 for anti-slip purposes.

[0042] Specifically, it includes a support plate 1, on the bottom of which multiple support mechanisms 2 are evenly arranged to provide stable support. Near the edge of the top of the support plate 1, a disassembly mechanism 3 is provided to facilitate disassembly. Near the center of the top of the support plate 1, a pushing mechanism 4 is provided to perform a specific pushing function. A connecting plate 7 is also provided on the top of the support plate 1. The bottom of the connecting plate 7 is equipped with a rotating mechanism 5, allowing the connecting plate 7 to rotate. The top of the connecting plate 7... A protective mechanism 6 is provided to ensure safety during use. The support mechanism 2 includes multiple support columns 201, the tops of which are firmly fixed to the bottom of the support plate 1. Each support column 201 has multiple limiting holes 202 on its front side. A threaded rod 203 is rotatably connected to the inner wall of these limiting holes 202. A bolt 204 is threadedly connected to the rear side of the outer wall of the threaded rod 203, ensuring the stability and reliability of the threaded rod 203. A sleeve 205 is fixedly connected to the front side of the bolt 204, and a universal ball 206 is rotatably connected to the bottom of the sleeve 205, allowing... The support column 201 can adapt to different ground conditions, providing flexible support. A limit component 207 is provided on the right side of the support column 201 to limit its range of movement and ensure the stability of the overall structure. The limit component 207 includes a connecting block 2071, which is fixedly connected to the right side of the support column 201, ensuring the stability and firmness between the connecting block 2071 and the support column 201, thus providing a solid foundation for the entire limit component 207. A threaded hole 9 is provided on the inner wall of the connecting block 2071, giving it a threaded appearance. The threaded rod 2072 can be threaded into the threaded hole 9, thereby further enhancing the overall stability and reliability of the limit assembly 207. In order to improve the functionality and safety of the limit assembly 207, an anti-slip plate 2073 is fixedly connected to the bottom of the threaded rod 2072. During use, the anti-slip plate 2073 can cause the threaded rod 2072 to slide and loosen due to external forces, thereby ensuring the stability and reliability of the entire limit assembly 207 in various working environments, effectively preventing accidents and improving the safety performance of the equipment.

[0043] Please see the appendix Figure 1 Appendix Figure 2 and attached Figure 3The disassembly mechanism 3 includes a square frame 301. The bottom of the square frame 301 is fixedly connected to the top of the support plate 1. A cylindrical hole 302 is provided on the right side of the square frame 301. A bolt 303 is rotatably connected to the inner wall of the cylindrical hole 302. A nut 304 is threadedly connected to the rear side of the outer wall of the bolt 303, making the overall fixation more stable. A buckle assembly 305 is provided on the top of the square frame 301. The buckle assembly 305 includes a buckle post 3052. The outer wall of the buckle post 3052 is slidably connected to the top of the square frame 301. Multiple circular grooves 3051 are provided on the top of the square frame 301. The inner wall of the circular groove 3051 is slidably connected to the outer wall of the buckle post 3052, which facilitates sliding.

[0044] Specifically, the disassembly mechanism 3 includes a square frame 301. The bottom part of the square frame 301 is fixedly connected to the top surface of the support plate 1, ensuring the stability of the disassembly mechanism 3 and allowing the square frame 301 to be fixed on the support plate 1. A cylindrical hole 302 is opened on the right side of the square frame 301. A bolt 303 is rotatably connected to the inner wall of the cylindrical hole 302, and a nut 304 is threaded to the rear side of the outer wall of the bolt 303, allowing the bolt 303 to rotate within the cylindrical hole 302, thereby realizing the adjustment function of the disassembly mechanism 3. A latching assembly 305 is also provided at the top of the square frame 301. This latching assembly 305 can be used to fix and release the disassembly mechanism 3. Other components in the assembly further enhance the flexibility and functionality of the disassembly mechanism 3. The disassembly mechanism 3 can effectively achieve its predetermined disassembly function while maintaining structural stability and ease of operation. The buckle assembly 305 specifically includes a buckle post 3052. The outer wall of the buckle post 3052 can be smoothly slidably connected to the top of the square frame 301. Multiple circular grooves 3051 are evenly provided on the top of the square frame 301. The inner walls of these circular grooves 3051 can also be smoothly slidably connected to the outer wall of the buckle post 3052, thereby ensuring the stability and flexibility of the buckle assembly 305 on the top of the square frame 301. The buckle assembly 305 can easily slide on the top of the square frame 301 to achieve the required function.

[0045] Please see the appendix Figure 1 Appendix Figure 2 and attached Figure 3 The pushing mechanism 4 includes a hydraulic rod 401. The right side of the hydraulic rod 401 is fixedly connected to the right side of the square frame 301, and the left side of the hydraulic rod 401 is fixedly connected to a rotating block 402. The rotating mechanism 5 includes a rotating rod 501. The top of the rotating rod 501 is rotatably connected to the bottom of the connecting plate 7, and it can rotate. The bottom of the rotating rod 501 is slidably connected to a slide rail 502 for easy sliding.

[0046] Specifically, the pushing mechanism 4 mainly includes a hydraulic rod 401. The right side of the hydraulic rod 401 is fixedly connected to the right edge of the square frame 301. The hydraulic rod 401 can effectively transmit force to the square frame 301, thereby realizing the predetermined mechanical movement and operation. In addition, a rotating block 402 is fixedly connected to the left end of the hydraulic rod 401. The function of the rotating block 402 is to provide additional mechanical advantages or change the direction of movement, making the entire pushing mechanism 4 more flexible and efficient in performing tasks. Collaborative operation enables complex mechanical actions to meet various engineering needs. The rotating mechanism 5 specifically includes a rotating rod 501. The top of the rotating rod 501 is connected to the bottom of the connecting plate 7, allowing the rotating rod 501 to rotate freely within a certain angle range. The bottom of the rotating rod 501 is designed with a sliding connection to the slide rail 502, allowing the rotating rod 501 to slide freely on the slide rail 502. This ensures that while the rotating rod 501 is rotating, it can also perform linear motion on the slide rail 502, thereby achieving more complex motion trajectories and functions.

[0047] Please see the appendix Figure 1 and attached Figure 2 The protective mechanism 6 includes multiple fixed columns 601, the bottom of which is fixedly connected to the top of the connecting plate 7, and a protective rod 602 fixedly connected to the top of each fixed column 601 for protection. A platform 8 is fixedly connected to the top of the connecting plate 7, and the top of the platform 8 is fixedly connected to the bottom of the fixed column 601. The platform 8 is used to provide support.

[0048] Specifically, the protective mechanism 6 consists of multiple fixed columns 601. The bottom of these fixed columns 601 is carefully designed to ensure a fixed connection with the top of the connecting plate 7, ensuring structural stability and withstanding certain external impacts. Each fixed column 601 has a protective rod 602 at its top, which is reliably connected to the fixed column 601 to form a robust protective structure. The entire protective mechanism 6 is designed to provide effective protection, ensuring reliable protection in various working environments. The top of the connecting plate 7 is firmly fixed and connected to a platform 8. The top of this platform 8 is further tightly connected to the bottom of a fixed column 601, forming a stable structure. The main function of this platform 8 is to provide necessary support, ensuring the stability and reliability of the entire device. The platform 8 can withstand a certain weight and pressure, making the entire system more stable and adaptable to various usage environments and conditions.

[0049] Working principle: First, push the support plate 1 until it reaches the appropriate position. When the height needs to be adjusted, unscrew bolt 204. Bolt 204 will then move away from threaded rod 203. Then, sleeve 205 will pull threaded rod 203 away from the limiting hole 202 on the support column 201. Then, threaded rod 203 will be inserted into the other limiting holes 202. Screw bolt 204 back on. Then, rotate threaded rod 2072. Threaded rod 2072 will rotate along the threaded hole 9 inside the connecting block 2071 and push down anti-slip plate 2073 until it contacts the ground. This achieves the function of adjusting the height of support plate 1 and providing stable support.

[0050] When it is necessary to carry it, first unscrew the nut 304. At this time, the nut 304 will be separated from the bolt 303, and the bolt 303 will be separated from the cylindrical hole 302. Then, take out the locking post 3052 along the circular groove 3051. At this time, the support plate 1 will be separated from the square frame 301, and then it can be carried. When it is necessary to install it, the same method is used. Lock the locking post 3052 along the circular groove 3051, then insert the bolt 303 into the cylindrical hole 302, and then screw the nut 304 back on. This realizes the function of disassembling it, which facilitates carrying and installation.

[0051] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A liftable support frame for construction work, comprising a support plate (1), characterized in that: The bottom of the support plate (1) is provided with multiple support mechanisms (2), which are used for support. The top of the support plate (1) is provided with a disassembly mechanism (3) near the edge, which is used for disassembly. The top of the support plate (1) is provided with a pushing mechanism (4) near the middle. The top of the support plate (1) is provided with a connecting plate (7). The bottom of the connecting plate (7) is provided with a rotating mechanism (5). The top of the connecting plate (7) is provided with a protective mechanism (6). The support mechanism (2) includes multiple support columns (201), the top of each of the multiple support columns (201) is fixedly connected to the bottom of the support plate (1), and multiple limiting holes (202) are opened on the front side of each support column (201). A threaded rod (203) is rotatably connected to the inner wall of the limiting hole (202), and a bolt (204) is threadedly connected to the rear side of the outer wall of the threaded rod (203). A sleeve (205) is fixedly connected to the front side of the bolt (204), and a universal ball (206) is rotatably connected to the bottom of the sleeve (205). A limiting component (207) is provided on the right side of the support column (201).

2. The liftable support frame for construction work according to claim 1, characterized in that: The disassembly mechanism (3) includes a square frame (301), the bottom of which is fixedly connected to the top of the support plate (1). A cylindrical hole (302) is provided on the right side of the square frame (301). A bolt (303) is rotatably connected to the inner wall of the cylindrical hole (302). A nut (304) is threaded on the rear side of the outer wall of the bolt (303). A buckle assembly (305) is provided on the top of the square frame (301).

3. The liftable support frame for construction work according to claim 1, characterized in that: The limiting component (207) includes a connecting block (2071), the left side of which is fixedly connected to the right side of the support column (201), the inner wall of the connecting block (2071) is provided with a threaded hole (9), the inner wall of the threaded hole (9) is threadedly connected to a threaded rod (2072), and the bottom of the threaded rod (2072) is fixedly connected to an anti-slip plate (2073).

4. The liftable support frame for construction work according to claim 2, characterized in that: The buckle assembly (305) includes a buckle post (3052), the outer wall of which is slidably connected to the top of the square frame (301), and the top of the square frame (301) is provided with a plurality of circular grooves (3051), the inner wall of which is slidably connected to the outer wall of the buckle post (3052).

5. The liftable support frame for construction work according to claim 1, characterized in that: The pushing mechanism (4) includes a hydraulic rod (401), the right side of which is fixedly connected to the right side of the square frame (301), and a rotating block (402) is fixedly connected to the left side of the hydraulic rod (401).

6. The liftable support frame for construction work according to claim 1, characterized in that: The rotating mechanism (5) includes a rotating rod (501), the top of which is rotatably connected to the bottom of the connecting plate (7), and a slide rail (502) is slidably connected to the bottom of the rotating rod (501).

7. The liftable support frame for construction work according to claim 1, characterized in that: The protective mechanism (6) includes multiple fixed posts (601), the bottom of each of the multiple fixed posts (601) is fixedly connected to the top of the connecting plate (7), and the top of each of the multiple fixed posts (601) is fixedly connected to a protective rod (602).

8. The liftable support frame for construction work according to claim 1, characterized by: The top of the connecting plate (7) is fixedly connected to a platform (8), the top of the platform (8) is fixedly connected to the bottom of the fixed column (601), and the platform (8) is used to provide support.

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