Multi-point balance hoisting system and curtain wall hoisting method

Abstract

The invention discloses a multi-point balance hoisting system and a curtain wall hoisting method, and belongs to the technical field of constructional engineering hoisting, the multi-point balance hoisting system comprises a main beam, a first hoisting point and a second hoisting point, the first hoisting point and the second hoisting point are arranged on the lower portion of the main beam, a balance block is arranged on the upper portion of the main beam, and a balance hoisting point is arranged on the balance block; the first lifting point and the second lifting point are connected to the two sides of the curtain wall plate through inhaul cables respectively, the balance lifting point is connected to the curtain wall plate through an inhaul cable when viewed in the direction perpendicular to the side wall of the main beam, and the balance lifting point coincides with the connecting line, vertically facing the ground, of the gravity center of the curtain wall plate. The connecting point, connected with the balance lifting point, on the curtain wall plate is arranged outside the connecting point, on the curtain wall plate, of the first lifting point or the second lifting point and the plane formed by the first lifting point and the second lifting point, the multiple lifting points form multi-point different-plane three-dimensional restraining force on the curtain wall plate, and the situation that the curtain wall plate is unstable due to eccentric force in the lifting process is prevented; and the curtain wall plates with different gravity center positions can be quickly matched by adjusting the balance block or selecting a proper balance lifting point, so that a plurality of different curtain wall plates can be conveniently lifted for use.

Description

Technical Field

[0001] The present invention relates to the technical field of construction engineering hoisting, and in particular to a multi-point balanced hoisting system and a curtain wall hoisting method. Background Art

[0002] With the development of urban construction, the appearance of high-rise buildings is constantly being innovated. The curtain wall components of high-rise buildings are showing diversified characteristics in structural shape, material and size, which brings great challenges to hoisting construction. When hoisting curtain wall decorative components of different shapes, sizes and materials, it is necessary to deal with the problem of eccentric center of gravity of curtain wall components of different materials, shapes and sizes. Since curtain wall components are often composed of multi-form and heterogeneous parts, the center of gravity of the assembled parts deviates significantly from the center of the original geometric shape due to the different densities of the assembled parts. This can easily cause imbalance due to uneven force during hoisting. At the same time, modern building curtain wall projects involve components of various shapes and materials, and the center of gravity positions vary greatly. This requires hoisting tools to be able to flexibly adapt to different working conditions to reduce the adjustment time of hoisting and improve the efficiency of hoisting construction. In addition, the hoisting tools must also take into account simplicity and economy, avoiding complex processes or devices that increase additional construction links and costs. Taking the Guangdong Nanyue Bank Financial Building as an example, the building's curtain wall is composed of twelve different types of unit panels, made of materials including glass + stone, stone combination, etc. The unit panels vary in appearance, weight and size, requiring an efficient, precise and simple lifting tool to meet the changing lifting requirements. The existing technology has obvious shortcomings: although the single main beam with a fixed lifting point balance beam lifting construction technique can bear the size and weight of the curtain wall unit panels, its single lifting point design is prone to rotation and offset due to misalignment of the center of gravity, increasing safety risks and requiring manual repeated leveling, which seriously restricts efficiency; the use of double main beams with adjustable lifting points, a crisscross combination balance beam or a counterweight balance beam can cope with the situation of eccentric center of gravity, but its structure is complex, its size is large, its weight is too heavy and its assembly is cumbersome, making it difficult to use in a small space. To address the above issues, a single-main-beam lifting tool system is needed that can perform multi-point balanced lifting. It can also quickly match the center of gravity of the lifting device and the curtain wall components by sliding adjustment and moving the lifting points. It can accurately adapt to the lifting and use of curtain wall components of different shapes, materials and switches without changing equipment, reducing the risk of lifting and improving the efficiency of lifting. Summary of the Invention

[0003] One of the purposes of the present invention is to provide a multi-point balanced lifting system, which solves the problems of insufficient stability of existing lifting equipment for lifting curtain wall components of complex materials and sizes and cumbersome and inefficient equipment adjustment.

[0004] In order to achieve the above-mentioned object of the invention, the technical solution adopted by the present invention is as follows:

[0005] A multi-point balanced lifting system comprises a main beam and a first lifting point and a second lifting point arranged at the lower part of the main beam, a balance block is arranged at the upper part of the main beam, a balance lifting point is arranged on the balance block, the first lifting point and the second lifting point are respectively connected to the two sides of the curtain wall panel by a cable, and when viewed in a direction perpendicular to the side wall of the main beam, the balance lifting point is connected to the curtain wall panel by a cable, the line connecting the center of gravity of the balance lifting point and the curtain wall panel is perpendicular to the ground, and the connection point on the curtain wall panel connected to the balance lifting point is set at the first lifting point or the second lifting point on the curtain wall panel. Outside the plane formed by the connection points on the wall panel and the first hanging point and the second hanging point, multiple hanging points form multi-point eccentric three-dimensional constraints on the curtain wall panel to prevent the curtain wall panel from being unstable due to eccentric force during lifting. The balanced hanging point is opposite to the center of gravity of the curtain wall panel, and the curtain wall panel is subjected to balanced tension on the left and right, and the lifting safety is high. In addition, by adjusting the position of the balance block or selecting the balanced hanging point, curtain wall panels with different center of gravity positions can be quickly matched, which is convenient for on-site lifting of a variety of different curtain wall panels, with high lifting efficiency and simple operation of the adjustment state.

[0006] Furthermore, a plurality of balancing hanging points are provided on the balancing block, and the plurality of balancing hanging points are arranged at intervals along the length direction of the main beam, and the balancing block is arranged close to the end face of the main beam. The balancing hanging points are selected to match the center of gravity of the curtain wall panel, which is simple to operate and saves structural materials.

[0007] Furthermore, the balancing block is slidably connected to the main beam and is used for slidably adjusting the relative position of the balancing block and the main beam, and the adjustment operation is convenient.

[0008] Furthermore, a guide shoe is provided on the balancing block, a guide rail is provided on the upper part of the main beam, the guide shoe is slidably connected to the guide rail, a locking piece is provided on the guide shoe, the head of the locking piece abuts against the main beam to fix the balancing block, and the position of the balancing block can be quickly adjusted by unlocking the locking piece, so as to achieve the purpose of quickly matching different types of curtain wall panels for lifting and use.

[0009] Furthermore, a first auxiliary hanging point and a second auxiliary hanging point are provided at the lower part of the main beam, and the first auxiliary hanging point and the second auxiliary hanging point are both arranged on the inner side of the first hanging point and the second hanging point, and the first auxiliary hanging point and the second auxiliary hanging point are both connected to the curtain wall panel by a cable, which is used to reduce the load of a single cable and improve the ability to resist lateral force.

[0010] Preferably, it also includes a first claw and a second claw, the first claw is connected to the first auxiliary hanging point by a cable, and the second claw is connected to the second auxiliary hanging point by a cable. The first claw and the second claw are clamped on the top of the curtain wall panel, and the gripping position can be quickly adjusted to ensure that the cables of each hanging point are fully stressed.

[0011] More preferably, the first hanging point and the second hanging point are both slidably connected to the lower part of the main beam to match curtain wall panels of different widths.

[0012] Furthermore, a guide rod is provided at the lower part of the main beam, a toothed portion is provided on the side wall of the guide rod, a sliding portion is provided on the first hanging point and the second hanging point, the sliding portion is slidably connected to the guide rod, and a toothed block is provided on the side of the first hanging point and the second hanging point, the toothed block engages with the toothed portion to limit the first hanging point and the second hanging point from sliding on the guide rod, and is used to quickly adjust the position of the hanging point.

[0013] As a better option, a partition groove is provided in the middle of the guide rod, and the partition groove divides the guide rod into two parts respectively located on the left and right sides of the main beam, thereby preventing the hanging points from concentrating on one side.

[0014] The second purpose of the present invention is to provide a curtain wall lifting method, which solves the problem that lifting curtain walls with complex materials and shapes takes up a lot of space and the adjustment of lifting equipment is cumbersome and time-consuming.

[0015] In order to achieve the above-mentioned object of the invention, the technical solution adopted by the present invention is as follows:

[0016] A curtain wall hoisting method, implemented by the multi-point balanced hoisting system, comprises the following steps:

[0017] S1. Connect the first hanging point and the second hanging point to both sides of the curtain wall panel via cables, and pull up the main beam to determine the position of the center of gravity of the curtain wall panel;

[0018] S2. Move the balancing block or select a balancing hanging point on the balancing block where a line connecting the projection of the center of gravity of the curtain wall panel in the direction of the main beam side wall is perpendicular to the ground, and connect the balancing hanging point to the top of the curtain wall panel with a cable so that the connection point between the cable connecting the balancing hanging point and the curtain wall panel is outside the plane formed by the cables of the first hanging point and the second hanging point;

[0019] S3, connect the cable passing through the balance lifting point to the lifting device, and use the lifting device to lift the curtain wall panel upward for a certain distance to check whether it is stable and without shaking. If it shakes, execute S2 again. If it does not shake, pull it upward for lifting;

[0020] S4. After completing the lifting of one type of curtain wall panel, execute S1-S3 before lifting another type of curtain wall panel with a different center of gravity. When lifting multiple types of curtain wall panels, you can quickly switch to match different centers of gravity. The lifting takes up less space, has high stability during lifting, and saves time in switching states.

[0021] The beneficial effects of the present invention are:

[0022] (1) The multi-point balanced lifting system is characterized by a line connecting the balance lifting point on the balance block and the projection of the center of gravity of the curtain wall panel toward the side wall of the main beam being perpendicular to the ground. The cable formed by the first lifting point and the second lifting point forces the connection point of the balance lifting point on the curtain wall panel to be outside the plane formed by the other lifting points, thereby forming a spatial multi-directional constraint force and eliminating the risk of rotational offset caused by eccentric center of gravity. At the same time, the balance block is adjusted by sliding along the main beam through the configuration of guide rails, guide shoes and multiple optional balance lifting points, so that the same lifting device can be quickly adapted to different center of gravity positions, material combinations and shapes for lifting curtain wall panels without structural adjustment, significantly reducing the equipment replacement cost and switching time for different working conditions. The lifting efficiency is higher and the single main beam structure is used for lifting, which occupies less space and is suitable for lifting construction in narrow areas.

[0023] (2) The first and second lifting points of the multi-point balanced lifting system can be moved and adjusted by the cooperation of the guide rod and the slider. The toothed portion of the side wall of the guide rod engages with the toothed block on the lifting point to change the spacing of the lifting points. Curtain wall panels of different widths can be stably lifted without switching the main beam, further expanding the scope of use of the lifting system and reducing construction costs.

[0024] (3) The curtain wall hoisting method first connects the first and second lifting points to the curtain wall panel, matches the center of gravity, and then moves the balance block or selects the corresponding balance lifting point to connect the top of the curtain wall panel, and ensures that the connection point is outside the plane formed by the first and second lifting points and coincides with the center of gravity of the curtain wall panel in the vertical direction, so as to achieve fast and stable hoisting. Finally, the stability is verified by hoisting inspection. The status of each curtain wall panel before and after hoisting can be quickly adjusted in real time. The operation process is simple and can be used for hoisting different types of curtain wall panels. The switching process takes less time, which greatly improves the efficiency of hoisting complex curtain wall panels. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A diagram showing the use status of the multi-point balancing lifting system provided by the present invention;

[0026] Figure 2 The force diagram of the multi-point balanced lifting system provided by the present invention;

[0027] Figure 3 A front view of the multi-point balancing lifting system provided by the present invention;

[0028] Figure 4 A side view of the multi-point balancing lifting system provided by the present invention;

[0029] Figure 5 A structural diagram of a multi-point balancing lifting system provided in another embodiment of the present invention;

[0030] Figure 6 This is the stress state diagram of the single main beam hoisting mentioned in the background technology.

[0031] Reference numerals:

[0032] 1. Main beam; 11. Guide rail; 2. First lifting point; 21. Through hole; 22. Sliding portion; 23. Toothed block; 3. Second lifting point; 4. First auxiliary lifting point; 41. First clamping claw; 5. Second auxiliary lifting point; 51. Second clamping claw; 6. Third auxiliary lifting point; 7. Fourth auxiliary lifting point; 8. Balance block; 81. Balancing lifting point; 83. Guide shoe; 84. Toothed portion; 85. Guide rod; 86. Locking piece; 9. Curtain wall panel. DETAILED DESCRIPTION

[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the application without making any creative efforts shall fall within the scope of protection of the present invention.

[0034] Example 1

[0035] like Figures 1-6 As shown, this embodiment discloses a multi-point balanced lifting system, including a main beam 1 and a first lifting point 2 and a second lifting point 3 arranged at the lower part of the main beam 1, a balancing block 8 is provided at the upper part of the main beam 1, and a balancing lifting point 81 is provided on the balancing block 8, the first lifting point 2 and the second lifting point 3 are respectively connected to the two sides of the curtain wall panel 9 by a cable, and when viewed in a direction perpendicular to the side wall of the main beam 1, the balancing lifting point 81 is connected to the curtain wall panel 9 by a cable, and the upward end of the cable passes through the balancing lifting point 81 and is connected to the lifting device, and the line connecting the center of gravity of the balancing lifting point 81 and the curtain wall panel 9 is perpendicular to the ground, and the curtain wall panel 9 is perpendicular to the ground. The connection point connected to the balance hanging point 81 is set outside the plane formed by the connection point of the first hanging point 2 or the second hanging point 3 on the curtain wall panel 9 and the first hanging point 2 and the second hanging point 3. The first hanging point 2, the second hanging point 3 and the balance hanging point 81 constitute a multi-point non-planar three-dimensional constraint force. The curtain wall panel 9 is evenly stressed when lifted and will not deviate or rotate to one side, thereby improving the safety of lifting. The balance block 8 and the balance hanging point 81 can be used to quickly match the lifting of curtain wall panels 9 with different center of gravity positions. The on-site adjustment steps are simple and fast, and it is suitable for mixed lifting of various types of curtain walls.

[0036] Among them, each hanging point is a hanging plate provided with a through hole 21, and the through hole 21 is used to insert the cable. The two ends of the cable are provided with expansion joints for fine-tuning the length of the cable so that multiple cables can be fully stressed.

[0037] Furthermore, a plurality of balancing hanging points 81 are provided on the balancing block 8, and the plurality of balancing hanging points 81 are arranged at intervals along the length direction of the main beam 1, and the balancing block 8 is arranged close to the end face of the main beam 1. The main beam 1 is centrally symmetrical, and the balancing block 8 can occupy the left half or the right half of the main beam 1, that is, it can meet the needs of lifting curtain wall panels 9 with different center of gravity positions. The plurality of balancing hanging points 81 can be directly selected when adjusting the center of gravity, which greatly shortens the time for switching the lifting state, is simple to operate, and has low requirements for users.

[0038] Furthermore, the balancing block 8 is slidably connected to the main beam 1. The balancing block 8 is vertically aligned with the center of gravity of the curtain wall panel 9 projected along the side wall direction of the main beam 1 by sliding. It is easy to adjust and accurately matches the position of the center of gravity.

[0039] Furthermore, a guide shoe 83 is provided on the balancing block 8, and a guide rail 11 is provided on the upper part of the main beam 1. The guide shoe 83 is slidably connected to the guide rail 11. A locking piece 86 is provided on the guide shoe 83. The head of the locking piece 86 abuts the main beam 1 to fix the balancing block 8. Blocks are provided at both ends of the guide rail 11 to prevent the guide shoe 83 from falling off. The locking piece 86 is used to lock the relative position of the balancing block 8 and the main beam 1, and is easy to operate, so that the lifting system can quickly match the curtain wall panels 9 with different centers of gravity for lifting and use.

[0040] Preferably, a first auxiliary hanging point 4 and a second auxiliary hanging point 5 are further provided at the lower part of the main beam 1. The first auxiliary hanging point 4 and the second auxiliary hanging point 5 are both arranged on the inner side of the first hanging point 2 and the second hanging point 3, and the first auxiliary hanging point 4 and the second auxiliary hanging point 5 are both connected to the curtain wall panel 9 by cables. The two auxiliary hanging points are used to increase the upper limit of the loadable weight, reduce the load of a single cable, and also play a role in resisting the eccentric force on the left and right sides.

[0041] More preferably, it also includes a first claw 41 and a second claw 51, the first claw 41 is connected to the first auxiliary hanging point 4 by a cable, and the second claw 51 is connected to the second auxiliary hanging point 5 by a cable, the second claw 51 and the first claw 41 are clamped on the top of the curtain wall panel 9, the second claw 51 and the first claw 41 can slide on the top of the curtain wall panel 9 to determine the connection position, and a locking bolt is provided on the claw for locking the position of the claw. By adjusting the position of the claw, multiple cables can be fully stressed.

[0042] Furthermore, the first hanging point 2 and the second hanging point 3 are both slidably connected to the lower part of the main beam 1. The first hanging point 2 and the second hanging point 3 adjust the distance between the two hanging points by sliding, so that the distance between the two hanging points is the same as the width of the curtain wall panel 9. When the cable is under force, it is only subjected to vertical tension. The cable load is stable and has a strong ability to resist lateral force, which can meet the lifting needs of curtain wall panels 9 of different widths.

[0043] Furthermore, a guide rod 85 is provided at the lower part of the main beam 1, and a toothed portion 84 is provided on the side wall of the guide rod 85. A sliding portion 22 is provided on the first hanging point 2 and the second hanging point 3. The sliding portion 22 is slidably connected to the guide rod 85. A toothed block 23 is provided on the side of the first hanging point 2 and the second hanging point 3. The toothed block 23 engages with the toothed portion 84 to limit the first hanging point 2 and the second hanging point 3 from sliding on the guide rod 85. The toothed block 23 is pressed onto the toothed portion 84 by bolts to prevent the first hanging point 2 or the second hanging point 3 from sliding on the guide rod 85. The limiting of the hanging points is stable and reliable, and the bolt adjustment operation is convenient.

[0044] In one embodiment, the first auxiliary hanging point 4 and the second auxiliary hanging point 5 use the same guide rod 85 and sliding portion 22 guide structure as the first hanging point 2 and the second hanging point 3 for position adjustment to achieve stable support of the curtain wall panel 9.

[0045] In one embodiment, a third auxiliary hanging point 6 and a fourth auxiliary hanging point 7 are further provided at the lower portion of the main beam 1 , and the third auxiliary hanging point 6 and the fourth auxiliary hanging point 7 have the same structure as the first hanging point 2 or the second hanging point 3 .

[0046] More preferably, a partition groove is provided in the middle of the guide rod 85, which divides the guide rod 85 into two parts located on the left and right sides of the main beam 1 respectively, to prevent the upper hanging points from concentrating on one side, making it convenient to adjust the hanging points for use.

[0047] More preferably, the main beam 1 is made of a hollow tube or a sandwich tube, which is simple to obtain and suitable for assembly at the construction site. The material can be reused, reducing the cost of lifting.

[0048] More preferably, the hanging point is integrally formed of a metal material with high structural strength, and supports are provided on the sides of the hanging point to prevent the hanging point from deforming to one side, thereby improving the anti-rolling ability.

[0049] Example 2

[0050] This embodiment also discloses a curtain wall hoisting method, which is implemented by a multi-point balanced hoisting system and includes the following steps:

[0051] S1. Connect the first hanging point 2 and the second hanging point 3 to both sides of the curtain wall panel 9 with cables, and pull up the main beam 1 to determine the position of the center of gravity of the curtain wall panel 9;

[0052] S2. Move the balancing block 8 or select a balancing hanging point 81 on the balancing block 8, where the line connecting the projection point of the center of gravity of the curtain wall panel 9 in the direction of the side wall of the main beam 1 is perpendicular to the ground. Use a cable to connect the balancing hanging point 81 and the top of the curtain wall panel 9, so that the connection point of the cable connecting the balancing hanging point 81 and the curtain wall panel 9 is outside the plane formed by the cable of the first hanging point 2 and the cable of the second hanging point 3. Specifically, the selected balancing hanging point 81 or the position on the balancing block 8 through which the cable passes and the line connecting the projection point of the center of gravity of the curtain wall panel 9 toward the side wall of the main beam 1 are perpendicular to the ground. The line connecting the connection point of the cable of the balancing hanging point 81 at the top of the curtain wall panel 9 and the center of gravity of the curtain wall panel 9 is perpendicular to the ground, ensuring that the force is completely vertical, eliminating the eccentric force generated by itself, and preventing the curtain wall panel 9 from deflecting and twisting.

[0053] S3. Connect the cable passing through the balance lifting point 81 to the lifting device, and use the lifting device to lift the curtain wall panel 9 upward for a certain distance to check whether it is stable and without shaking. If it shakes, execute S2 again. If it does not shake, pull it upward for lifting;

[0054] S4. After completing the lifting of one curtain wall panel 9, execute S1-S3 before lifting another curtain wall panel 9 with a different center of gravity.

[0055] Furthermore, in S2, the locking piece 86 is loosened, and the balancing block 8 is dragged to move on the guide rail 11 until both sides of the curtain wall panel 9 are in a horizontal state. At this time, it indicates that the position of the balancing hanging point 81 is vertically opposite to the center of gravity of the curtain wall panel 9. The locking piece 86 is tightened to fix the balancing block 8 to the main beam 1, completing the state adjustment of the multi-point balancing system.

[0056] Furthermore, in S2, the balance hanging point 81 is selected and the cables are passed through the balance hanging point 81 sequentially or by empirical estimation, and both sides of the curtain wall panel 9 are observed until both sides of the curtain wall panel 9 are adjusted to be horizontal, thereby completing the state adjustment of the multi-point balance system.

[0057] Based on the disclosure and teachings of the above description, those skilled in the art may also make changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and any modifications and variations of the present invention should also fall within the scope of protection of the claims of the present invention. In addition, although certain specific terms are used in this description, these terms are only for convenience of description and do not constitute any limitation to the present invention.

Claims

1. A multi-point balanced lifting system, comprising a main beam (1) and a first lifting point (2) and a second lifting point (3) arranged at the lower part of the main beam (1), characterized in that: A balancing block (8) is provided on the upper part of the main beam (1), and a balancing hanging point (81) is provided on the balancing block (8). The first hanging point (2) and the second hanging point (3) are respectively connected to the two sides of the curtain wall panel (9) by cables. When viewed in a direction perpendicular to the side wall of the main beam (1), the balancing hanging point (81) is connected to the curtain wall panel (9) by cables. The line connecting the center of gravity of the balancing hanging point (81) and the curtain wall panel (9) is perpendicular to the ground, and the connection point on the curtain wall panel (9) connected to the balancing hanging point (81) is arranged outside the plane formed by the connection point of the first hanging point (2) or the second hanging point (3) on the curtain wall panel (9) and the first hanging point (2) and the second hanging point (3).

2. The multi-point balancing lifting system according to claim 1, characterized in that: The balancing block (8) is provided with a plurality of balancing hanging points (81), the plurality of balancing hanging points (81) are arranged at intervals along the length direction of the main beam (1), and the balancing block (8) is arranged close to the end face of the main beam (1).

3. The multi-point balancing lifting system according to claim 1, characterized in that: The balancing block (8) is slidably connected to the main beam (1).

4. The multi-point balancing hoisting system according to claim 3, characterized in that: The balancing block (8) is provided with a guide shoe (83), the upper portion of the main beam (1) is provided with a guide rail (11), the guide shoe (83) is slidably connected to the guide rail (11), the guide shoe (83) is provided with a locking member (86), and the head of the locking member (86) abuts against the main beam (1) to fix the balancing block (8).

5. The multi-point balancing lifting system according to any one of claims 1 to 4, characterized in that: A first auxiliary hanging point (4) and a second auxiliary hanging point (5) are further provided at the lower portion of the main beam (1); the first auxiliary hanging point (4) and the second auxiliary hanging point (5) are both arranged on the inner side of the first hanging point (2) and the second hanging point (3); and the first auxiliary hanging point (4) and the second auxiliary hanging point (5) are both connected to the curtain wall panel (9) by cables.

6. The multi-point balancing hoisting system according to claim 5, characterized in that: The invention also includes a first clamping claw (41) and a second clamping claw (51), wherein the second clamping claw (51) is connected to the second auxiliary hanging point (5) by a cable, and the first clamping claw (41) is connected to the first auxiliary hanging point (4) by a cable, and the second clamping claw (51) and the first clamping claw (41) are clamped on the top of the curtain wall panel (9).

7. The multi-point balancing hoisting system according to claim 5, characterized in that: The first hanging point (2) and the second hanging point (3) are both slidably connected to the lower part of the main beam (1).

8. The multi-point balancing hoisting system according to claim 7, characterized in that: A guide rod (85) is provided at the lower part of the main beam (1), a toothed portion (84) is provided on the side wall of the guide rod (85), a sliding portion (22) is provided on the first hanging point (2) and the second hanging point (3), the sliding portion (22) is slidably connected to the guide rod (85), and toothed blocks (23) are provided on the side surfaces of the first hanging point (2) and the second hanging point (3), the toothed blocks (23) engage with the toothed portion (84) to limit the first hanging point (2) and the second hanging point (3) from sliding on the guide rod (85).

9. The multi-point balancing hoisting system according to claim 8, characterized in that: A partition groove is provided in the middle of the guide rod (85), and the partition groove divides the guide rod (85) into two parts respectively located on the left and right sides of the main beam (1).

10. A curtain wall hoisting method, characterized in that: The multi-point balancing lifting system according to any one of claims 1 to 9 is implemented, comprising the following steps: S1, connecting the first hanging point (2) and the second hanging point (3) to both sides of the curtain wall panel (9) respectively by cables, and pulling up the main beam (1) to determine the position of the center of gravity of the curtain wall panel (9); S2, moving the balancing block (8) or selecting the balancing hanging point (81) on the balancing block (8) whose line connecting the projection point of the center of gravity of the curtain wall panel (9) in the direction of the side wall of the main beam (1) is perpendicular to the ground, connecting the balancing hanging point (81) and the top of the curtain wall panel (9) with a cable, so that the connection point of the cable connecting the balancing hanging point (81) and the curtain wall panel (9) is located outside the plane formed by the cable of the first hanging point (2) and the cable of the second hanging point (3); S3, connecting the cable passing through the balance lifting point (81) to the lifting device, and using the lifting device to lift the curtain wall panel (9) upwards for a certain distance to check whether it is stable and without shaking. If it shakes, execute S2 again. If it does not shake, pull it upwards for lifting; S4. After completing the hoisting of one curtain wall panel (9), execute S1-S3 before hoisting another curtain wall panel (9) with a different center of gravity.

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