Hoisting tool for grandstand board, grandstand board and method for hoisting grandstand board

Abstract

The application relates to a hoisting hoist for precast grandstand plates and a hoisting method for precast grandstand plates, and relates to the technical field of building construction. The hoisting hoist for grandstand plates comprises a hoisting frame, a hoisting plate and a hoisting assembly for hoisting the grandstand plates. The hoisting plate is connected with the hoisting frame and the hoisting assembly respectively. The hoisting assembly comprises a connecting ring plate capable of fixing the grandstand plates and a plurality of fixing pieces. The connecting ring plate and the fixing pieces are both installed on the hoisting plate. The connecting ring plate can be sleeved on the transverse part of the grandstand plates. The fixing pieces comprise a fixing rod, a fixing plate and a fastening plate. The fixing plate and the fastening plate can abut on the two sides of the vertical part of the grandstand plates respectively. One end of the fixing rod is connected with the fixing plate. The other end of the fixing plate is inserted into the grandstand plates and is in threaded cooperation with the fastening plate. The application has high positioning accuracy when the grandstand plates are installed, and has the effect of improving the overall construction quality of the grandstand plates.

Description

Technical Field

[0001] This application relates to the field of building construction technology, and in particular to a hoisting device for a grandstand, the grandstand itself, and a hoisting method for the grandstand. Background Technology

[0002] Traditional grandstand installation involves using lifting equipment, which mainly consists of a crane and slings. The crane has hooks for connecting to the slings and lifting the grandstand. Ribbed steel bars are pre-embedded in the grandstand during its construction to facilitate lifting. During lifting, the slings are secured to the ribbed steel bars, and then the slings are wrapped around the grandstand for a binding-style lifting. When the crane moves the grandstand to the designated position, the grandstand covers the steps of the grandstand, and the horizontal portion of the grandstand overlaps with the vertical portion of another grandstand.

[0003] Since the slings are still pressed against the bottom of the grandstand panel and cannot be pulled out, it is usually necessary to place a shim on the vertical part of another grandstand panel to ensure that there is a gap between the grandstand panel and the step surface after installation, so that the slings can be pulled out easily. Then the shim is pulled out from between the two grandstand panels, and the ribbed steel bars embedded in the grandstand panel are cut off. During the process of pulling out the shim and cutting off the ribbed steel bars, the position of the grandstand panel will shift, resulting in low positioning accuracy of the grandstand panel and poor overall construction quality. Summary of the Invention

[0004] This application provides a hoisting device for grandstand panels, the grandstand panels themselves, and a hoisting method for the grandstand panels, ensuring high positioning accuracy during installation and improving the overall construction quality of the grandstand panels.

[0005] Firstly, the lifting device for a grandstand panel provided in this application adopts the following technical solution: A lifting device for a grandstand panel includes a lifting frame, a lifting plate, and a lifting assembly for lifting the grandstand panel. The lifting plate is connected to the lifting frame and the lifting assembly respectively. The lifting assembly includes a connecting ring plate for fixing the grandstand panel and a plurality of fixing members. The connecting ring plate and the fixing members are all installed on the lifting plate. The connecting ring plate can be sleeved on the horizontal part of the grandstand plate. The fixing component includes a fixing rod, a fixing plate and a fastening plate. The fixing plate and the fastening plate can respectively abut against the two sides of the vertical part of the grandstand plate. One end of the fixing rod is connected to the fixing plate, and the other end of the fixing rod is inserted into the grandstand plate and threadedly engaged with the fastening plate.

[0006] By adopting the above technical solution, when hoisting the grandstand panel, the fixing rod is inserted into the vertical part of the grandstand panel and fastened with a fastening plate, so that the fixing plate and the fastening plate abut against both sides of the vertical part of the grandstand panel. Then, the connecting ring plate is sleeved on the horizontal part of the grandstand panel to complete the fixation of the grandstand panel. Then, the fixing plate and the connecting ring plate are connected to the hoisting plate and hoisted. After the hoisting plate moves the grandstand panel to a suitable position, it is lowered, and then the fixing plate and the connecting ring plate are removed. In this way, there is no need to install ribbed steel bars and cut off the ribbed steel bars in the subsequent process, nor is it necessary to add pads to the bottom of the hoisting plate to prevent positioning deviation caused by the grandstand panel being moved again after it is installed in a suitable position.

[0007] Optionally, the hoisting assembly further includes two hoisting components that can be arranged opposite each other on both sides of the grandstand. The hoisting components are respectively connected to the hoisting plate and the hoisting assembly. Each hoisting component includes a hoisting beam, a drive screw, and a mounting rod. The drive screw is mounted on the hoisting beam and connected to the mounting rod. One mounting rod is used to insert into multiple fixed plates, and the other mounting rod is used to insert into the connecting ring plate.

[0008] By adopting the above technical solution, if a small deviation is found between the grandstand panel and the installation position when moving the grandstand panel, the drive screw is rotated. The drive screw drives the installation plate and connecting ring plate to move, thereby changing the position of the grandstand panel and achieving fine adjustment of the grandstand panel position. This eliminates the need to move the hoisting frame when the positioning deviation is small, thus improving the hoisting accuracy.

[0009] Optionally, one end of the lifting beam is connected to a driving component for rotating the driving screw, the other end of the lifting beam is connected to a mounting plate, one end of the driving screw is connected to the output end of the driving component, and the other end of the driving screw is inserted into the mounting plate.

[0010] By adopting the above technical solution, the driving component provides power for the rotation of the driving screw, while the mounting plate fixes the driving screw and prevents the driving screw from shifting its position during rotation.

[0011] Optionally, a plurality of snap-fit ​​components are provided between the drive screw and the mounting rod. The plurality of snap-fit ​​components are arranged sequentially along the length direction of the mounting rod. Each snap-fit ​​component includes a snap-fit ​​plate and a snap-fit ​​ring. The snap-fit ​​ring is connected to both sides of the snap-fit ​​plate. The mounting rod has an annular groove that matches the snap-fit ​​ring. One snap-fit ​​ring is clamped to the groove wall of the annular groove, and the other snap-fit ​​ring is sleeved on the drive screw.

[0012] By adopting the above technical solution, the snap-fit ​​component transmits the power of the drive screw to the mounting rod, ensuring that the drive screw stably drives the mounting rod to move, thereby achieving fine adjustment of the grandstand position.

[0013] Optionally, the top of the lifting beam is provided with multiple lifting lugs along its own length, and multiple lifting ropes are provided between the lifting plate and the lifting beam. The multiple lifting ropes are provided one-to-one with the multiple lifting lugs. One end of the lifting rope is connected to the corresponding lifting lug, and the other end of the lifting rope is connected to the lifting plate.

[0014] By adopting the above technical solution and setting multiple lifting lugs to provide multiple lifting points, when the lifting plate is raised, the lifting ropes are arranged in two groups along the length of the lifting plate to reduce the possibility of large swing of the lifting plate during the lifting process.

[0015] Optionally, the connecting ring plate includes a connecting plate and two U-shaped plates, both of which can be sleeved with the horizontal portion of the grandstand plate, and the two ends of the connecting plate are respectively connected to the two U-shaped plates.

[0016] By adopting the above technical solution, when the connecting ring plate is sleeved on the horizontal part of the grandstand plate, the two U-shaped plates are placed opposite each other on the horizontal part of the grandstand plate and inserted into the grandstand plate. Then the connecting plate is connected to the two U-shaped plates to complete the fixation of the grandstand plate, which is convenient for disassembly and assembly.

[0017] Secondly, the grandstand provided in this application adopts the following technical solution: A grandstand panel includes a horizontal panel and a vertical panel, wherein the vertical panel is connected to one side of the horizontal panel, the vertical panel has a horizontal mounting hole and a snap-fit ​​groove on its bottom side, and the bottom end of the horizontal panel away from the vertical panel has a snap-fit ​​block that mates with the snap-fit ​​groove.

[0018] By adopting the above technical solution, when installing the grandstand panels onto the steps of the grandstand, the snap-fit ​​block of one grandstand panel is aligned with the snap-fit ​​groove on the other grandstand panel, allowing the two grandstand panels to be smoothly spliced ​​together and preventing the grandstand panels from shifting along the width direction of the horizontal plate. Furthermore, the mounting holes can mate with the fasteners, and the snap-fit ​​block design further facilitates the assembly and disassembly of the connecting ring plate. Thirdly, this application provides a method for hoisting a grandstand panel, comprising the following steps: S1. Set the two U-shaped plates opposite each other and fit them onto the part of the horizontal plate that does not have the snap-fit ​​block. Then, cover the two U-shaped plates with the connecting plate and fasten the connecting plate to the two U-shaped plates with bolts. Insert the fixing rod into the mounting hole until the fixing plate abuts against one side of the vertical plate. Then, fit the fastening plate on the fixing rod and abut against the other side of the vertical plate. S2. Insert one mounting rod into the fixing plate and the other mounting rod into the connecting ring plate. Then, put one end of the snap fastener on the mounting rod and the other end on the drive screw. S3. Raise the hoisting platform and move the grandstand to a suitable position. Then start the drive unit to make the drive screw move the grandstand laterally and make fine adjustments to the position of the grandstand to keep the adjacent grandstands aligned. S4. Remove the connecting ring plate and fastener from the grandstand and install them onto the next grandstand. S5. Repeat the above steps until all the grandstand panels are installed.

[0019] By adopting the above technical solution, the grandstand panel is fixed by the hoisting assembly and moved to the designated position under the action of the hoisting plate. During the alignment of the grandstand panel, the position of the grandstand panel is finely adjusted by the drive screw. During the removal of the fixing parts and connecting ring plate, the position of the grandstand panel does not need to be changed, which has high hoisting accuracy and installation accuracy.

[0020] In summary, this application includes at least one of the following beneficial technical effects: 1. In this application, the grandstand panel is fixed using fasteners and connecting ring plates. When hoisting the grandstand panel, the fixing rod is inserted into the vertical part of the grandstand panel and secured with fastening plates, so that the fixing plates and fastening plates abut against both sides of the vertical part of the grandstand panel. Then, the connecting ring plates are fitted onto the horizontal part of the grandstand panel to complete the fixing of the grandstand panel. Subsequently, both the fixing plates and connecting ring plates are connected to the hoisting plate and hoisted. After the hoisting plate moves the grandstand panel to a suitable position, it is lowered, and then the fixing plates and connecting ring plates are removed. This eliminates the need to install ribbed steel bars and cut them off in the subsequent process, and also eliminates the need to add pads to the bottom of the hoisting plate to prevent positioning deviations caused by the grandstand panel being moved again after installation in a suitable position.

[0021] 2. In this application, a drive screw is set to adjust the position of the grandstand panel. When moving the grandstand panel, if a small deviation is found between the grandstand panel and the position to be installed, the drive screw is rotated. The drive screw drives the mounting plate and the connecting ring plate to move, thereby changing the position of the grandstand panel and achieving fine adjustment of the position of the grandstand panel. This eliminates the need to move the hoisting frame when the positioning deviation is small, thus improving the hoisting accuracy.

[0022] 3. The lifting beam in this application is provided with multiple lifting lugs. By providing multiple lifting lugs, multiple lifting points are provided. When the lifting plate is raised, the lifting ropes are arranged in two groups along the length of the lifting plate to reduce the possibility of large swing of the lifting plate during the lifting process. Attached Figure Description

[0023] Figure 1 This is a three-dimensional structural diagram of the grandstand and the grandstand hoisting equipment in this application; Figure 2 This is a schematic diagram illustrating the relationship between the grandstand panel and the steps in this application; Figure 3 This is a cross-sectional structural diagram of the grandstand hoisting device in this application; Figure 4 yes Figure 1 A magnified view of part A in the middle; Figure 5 yes Figure 1 A magnified view of part B in the diagram.

[0024] In the diagram, 1. Lifting frame; 2. Lifting plate; 3. Lifting assembly; 31. Connecting ring plate; 311. U-shaped plate; 312. Connecting plate; 32. Fixing component; 321. Fixing rod; 322. Fixing plate; 323. Fastening plate; 33. Lifting component; 331. Lifting beam; 332. Drive screw; 333. Mounting rod; 3331. Ring groove; 34. Drive component; 35. Mounting plate; 36. Synchronizing sleeve; 4. Snap-fit ​​component; 41. Snap-fit ​​plate; 42. Snap-fit ​​ring; 5. Lifting lug; 6. Grandstand plate; 61. Horizontal plate; 62. Vertical plate; 621. Mounting hole; 622. Snap-fit ​​groove; 63. Snap-fit ​​block; 7. Support; 8. Lifting rope. Detailed Implementation

[0025] The following is in conjunction with the appendix Figure 1 - Appendix Figure 5 This application will be described in further detail below.

[0026] Reference Figure 1 and Figure 2 The system includes a grandstand panel 6 and a lifting device for hoisting the grandstand panel 6. The lifting device can be connected to the grandstand panel 6. The grandstand panel 6 mainly includes a horizontal panel 61 and a vertical panel 62. The vertical panel 62 is installed on one side of the horizontal panel 61 and is integrally formed with the horizontal panel 61. The top of the vertical panel 62 has a snap-fit ​​groove 622, while the bottom of the horizontal panel 61 extends from the side away from the vertical panel 62 with a snap-fit ​​block 63 that matches the snap-fit ​​groove 622. When installing the grandstand panel 6, the snap-fit ​​block 63 on one grandstand panel 6 is aligned with the snap-fit ​​groove 622 on another grandstand to complete the splicing, so that the grandstand panel 6 covers the surface of the steps.

[0027] It should be noted that in this embodiment, a support 7 extends vertically at the corner of the step. The support 7 is integrally formed with the step and the height of the support 7 is the same as the height of the snap-fit ​​block 63 to support the grandstand panel 6. When the grandstand panel 6 covers the surface of the step, the support 7 and the snap-fit ​​block 63 are fitted with a gap to form a gap between the step and the grandstand panel 6 for drainage. In addition, the vertical plate 62 has multiple mounting holes 621, which are evenly distributed along the length of the vertical plate 62 to facilitate cooperation with the hoisting equipment.

[0028] Furthermore, referring to Figure 3 and Figure 4 The hoisting equipment for the grandstand panel 6 includes a hoisting frame 1, a hoisting plate 2, and a hoisting assembly 3 for hoisting the grandstand panel 6. The hoisting plate 2 is connected to the hoisting frame 1 and the hoisting assembly 3 respectively. The hoisting assembly 3 includes a connecting ring plate 31 for fixing the grandstand panel 6 and multiple fasteners 32. The connecting ring plate 31 is used to be sleeved on the horizontal plate 61, and the fasteners 32 are used to be connected to the vertical plate 62.

[0029] Specifically, in combination Figure 5 The connecting ring plate 31 includes a connecting plate 312 and two U-shaped plates 311. Both U-shaped plates 311 can be sleeved with the horizontal part of the grandstand plate 6. The two ends of the connecting plate 312 are respectively connected to the two U-shaped plates 311 by bolts, so that the two U-shaped plates 311 are connected together.

[0030] In addition, in other embodiments, the connecting plate 312 can be omitted, a locking block can be provided at one end of the U-shaped plate 311, and a locking groove can be provided at the other end of the U-shaped plate 311. When installing the connecting ring plate 31, the locking groove on one U-shaped plate 311 can be aligned with the locking block on the other U-shaped plate 311 to complete the splicing.

[0031] It should be noted that in this embodiment, the width of the U-shaped plate 311 is less than the height of the snap-fit ​​block 63, so as to facilitate the installation and removal of the connecting ring plate 31.

[0032] Reference Figure 3 and Figure 4 The fixing member 32 includes a fixing rod 321, a fixing plate 322, and a fastening plate 323. One end of the fixing rod 321 is fixedly connected to the fixing plate 322. In this embodiment, the fixing rod 321 and the fixing plate 322 are integrally formed. The fixing rod 321 can be inserted into the mounting hole 621. The fastening plate 323 can be sleeved on the fixing rod 321 and threadedly engaged with the fixing rod 321. When the fixing member 32 is engaged with the vertical plate 62, the fixing rod 321 is inserted into the mounting hole 621, so that the fixing plate 322 abuts against one side of the vertical plate 62. Then, the fastening plate 323 is threadedly engaged with the fixing rod 321, so that the fastening plate 323 abuts against the other side of the vertical plate 62.

[0033] Furthermore, the hoisting assembly 3 also includes two hoisting components 33 that can be arranged opposite each other on both sides of the grandstand plate 6. Both hoisting components 33 are connected to the hoisting plate 2. One hoisting component 33 is used to connect to the fixing component 32, and the other hoisting component 33 is used to connect to the connecting ring plate 31. Specifically, the hoisting component 33 includes a hoisting beam 331, a drive screw 332, and an installation rod 333. The drive screw 332 is installed on the hoisting beam 331 and connected to the installation rod 333. One installation rod 333 is used to insert into multiple fixing plates 322, and the other installation rod 333 is used to insert into the connecting ring plate 31.

[0034] Correspondingly, in this embodiment, the fixing plate 322 is provided with a through hole for the mounting rod 333 to pass through. The fixing plate 322 extends from the side of the two U-shaped plates 311 that are far apart from each other. The mounting rod 333 is inserted into the fixing plate 322 to fix the mounting rod 333.

[0035] Furthermore, one end of the hoisting beam 331 is connected to a drive component 34 for driving the drive screw 332 to rotate, and the other end of the hoisting beam 331 is also connected to a mounting plate 35. One end of the drive screw 332 is connected to the output end of the drive component 34, and the other end of the drive screw 332 is inserted into the mounting plate 35. In this embodiment, the drive component 34 is a motor, so as to control the start and stop of the drive screw 332.

[0036] Furthermore, the drive screw 332 is fitted with a plurality of synchronous sleeves 36 that fit against the lifting beam 331. The synchronous sleeves 36 are threadedly connected to the drive screw 332. When the drive screw 332 rotates, the synchronous sleeves 36 move along the length of the lifting beam 331 under the drive of the drive screw 332.

[0037] Furthermore, a plurality of snap-fit ​​pieces 4 are provided between the drive screw 332 and the mounting rod 333. In this embodiment, four snap-fit ​​pieces 4 are provided, and two synchronization sleeves 36 are provided. The four snap-fit ​​pieces 4 are arranged in pairs, corresponding one-to-one with the two synchronization sleeves 36. The two snap-fit ​​pieces 4 are positioned on both sides of the synchronization sleeve 36.

[0038] The snap-fit ​​component 4 includes a snap-fit ​​plate 41 and a snap-fit ​​ring 42. Both sides of the snap-fit ​​plate 41 are connected to the snap-fit ​​ring 42. In this embodiment, the snap-fit ​​ring 42 can be split into two arc-shaped plates. One arc-shaped plate is integrally formed with the snap-fit ​​plate 41, and the other arc-shaped plate is detachably connected to the snap-fit ​​plate 41 by screws, so that the snap-fit ​​component 4 can be connected to the drive screw 332 and the mounting rod 333 respectively.

[0039] In addition, the mounting rod 333 has an annular groove 3331 that matches the snap ring 42. One snap ring 42 is clamped on the groove wall of the annular groove 3331, so that the snap member 4 moves synchronously with the mounting rod 333. The other snap ring 42 is sleeved on the drive screw 332. When the drive screw 332 rotates, it drives the mounting rod 333 to move, so that the grandstand panel 6 can move along its own length direction during hoisting, thereby fine-tuning the position of the grandstand panel 6 and ensuring that adjacent grandstand panels 6 are aligned.

[0040] Reference Figure 3The top of the lifting beam 331 is provided with multiple lifting lugs 5 along its length. Multiple lifting ropes 8 are installed between the lifting plate 2 and the lifting beam 331, with each rope 8 corresponding to one of the lifting lugs 5. One end of each rope 8 is connected to the corresponding lifting lug 5, and the other end is connected to the lifting plate 2. Furthermore, a lifting rope is also installed between the lifting plate 2 and the lifting frame 1, and the lifting frame 1 is movable. Specifically, tracks are installed on the bottom side of the lifting frame 1, which drive the lifting frame 1 to move.

[0041] Furthermore, this embodiment also discloses a method for hoisting the grandstand panel 6, which uses the aforementioned grandstand panel 6 hoisting device to lift the grandstand panel 6, including the following steps: S1. Arrange the two U-shaped plates 311 opposite each other and fit them onto the part of the horizontal plate 61 that does not have the snap-fit ​​block 63. Then, cover the two U-shaped plates 311 with the connecting plate 312 and fasten the connecting plate 312 to the two U-shaped plates 311 respectively with bolts. Insert the fixing rod 321 into the mounting hole 621 until the fixing plate 322 abuts against one side of the vertical plate. Then, fit the fastening plate 323 onto the fixing rod 321 and abut against the other side of the vertical plate. S2. Insert one mounting rod 333 into the fixing plate 322 and the other mounting rod 333 into the connecting ring plate 31. Then, put one end of the snap fastener 4 on the mounting rod 333 and the other end on the drive screw 332. S3. Raise the hoisting plate 2 and move the grandstand plate 6 to a suitable position. Then start the drive component 34 so that the drive screw 332 drives the grandstand plate 6 to move laterally and fine-tune the position of the grandstand plate 6 so that the adjacent grandstand plates 6 are aligned. S4. Remove the connecting ring plate 31 and the fastener 32 from the grandstand plate 6 and install them onto the next grandstand plate 6; S5. Repeat the above steps until all grandstand panels 6 are installed.

[0042] The implementation principle of this application embodiment is as follows: When hoisting the grandstand panel 6, the fixing rod 321 is inserted into the vertical part of the grandstand panel 6 and fastened with the fastening plate 323, so that the fixing plate 322 and the fastening plate 323 respectively abut against the two sides of the vertical part of the grandstand panel 6. Then, the connecting ring plate 31 is sleeved on the horizontal part of the grandstand panel 6 to complete the fixation of the grandstand panel 6. Then, the fixing plate 322 and the connecting ring plate 31 are connected to the hoisting plate 2 and hoisted. After the hoisting plate 2 moves the grandstand panel 6 to a suitable position, it is lowered. Then, the fixing plate 322 and the connecting ring plate 31 are removed. In this way, it is not necessary to set the ribbed steel bars and cut the ribbed steel bars in the subsequent process, nor is it necessary to add pads to the bottom of the hoisting plate 2 to prevent the positioning deviation caused by the grandstand panel 6 being moved again after being installed to a suitable position.

[0043] The embodiments described in this specific implementation are preferred embodiments of this application and are not intended to limit the scope of protection of this application. Identical components are represented by the same reference numerals. Therefore, all equivalent changes made to the structure, shape, and principle of this application should be covered within the scope of protection of this application.

Claims

1. A hoisting device for grandstand panels, characterized in that, The system includes a hoisting frame (1), a hoisting plate (2), a grandstand plate (6), and a hoisting assembly (3) for hoisting the grandstand plate (6). The hoisting plate (2) is connected to the hoisting frame (1) and the hoisting assembly (3) respectively. The hoisting assembly (3) includes a connecting ring plate (31) for fixing the grandstand plate (6) and a plurality of fasteners (32). The connecting ring plate (31) and the fasteners (32) are both installed on the hoisting plate (2). The grandstand panel (6) includes a horizontal panel (61) and a vertical panel (62). The vertical panel (62) is connected to one side of the horizontal panel (61). The vertical panel (62) has a horizontal mounting hole (621) and a snap-fit ​​groove (622) on its bottom side. The connecting ring plate (31) can be sleeved on the horizontal part of the grandstand plate (6). The fixing member (32) includes a fixing rod (321), a fixing plate (322) and a fastening plate (323). The fixing plate (322) and the fastening plate (323) can respectively abut against the two sides of the vertical part of the grandstand plate (6). One end of the fixing rod (321) is connected to the fixing plate (322), and the other end of the fixing rod (321) is inserted into the mounting hole (621) on the grandstand plate (6) and threadedly engaged with the fastening plate (323).

2. The hoisting device for a grandstand panel according to claim 1, characterized in that, The hoisting assembly (3) also includes two hoisting components (33) that can be arranged opposite each other on both sides of the grandstand plate (6). The hoisting components (33) are connected to the hoisting plate (2) and the hoisting assembly (3) respectively. The hoisting component (33) includes a hoisting beam (331), a drive screw (332) and an mounting rod (333). The drive screw (332) is installed on the hoisting beam (331) and connected to the mounting rod (333). One mounting rod (333) is used to insert into multiple fixing plates (322), and the other mounting rod (333) is used to insert into the connecting ring plate (31).

3. The hoisting device for a grandstand panel according to claim 2, characterized in that, One end of the hoisting beam (331) is connected to a drive component (34) for driving the drive screw (332) to rotate, and the other end of the hoisting beam (331) is connected to a mounting plate (35). One end of the drive screw (332) is connected to the output end of the drive component (34), and the other end of the drive screw (332) is inserted into the mounting plate (35).

4. The hoisting device for a grandstand panel according to claim 3, characterized in that, Multiple snap-fit ​​pieces (4) are provided between the drive screw (332) and the mounting rod (333). The multiple snap-fit ​​pieces (4) are arranged sequentially along the length direction of the mounting rod (333). Each snap-fit ​​piece (4) includes a snap-fit ​​plate (41) and a snap-fit ​​ring (42). The snap-fit ​​ring (42) is connected to both sides of the snap-fit ​​plate (41). The mounting rod (333) has an annular groove (3331) that matches the snap-fit ​​ring (42). One snap-fit ​​ring (42) is clamped to the groove wall of the annular groove (3331), and the other snap-fit ​​ring (42) is sleeved on the drive screw (332).

5. The hoisting device for a grandstand panel according to claim 4, characterized in that, A synchronization sleeve (36) that fits against the hoisting beam (331) is fitted onto the drive screw (332). The synchronization sleeve (36) is threadedly connected to the drive screw (332), and the snap-fit ​​member (4) is connected to the side wall of the synchronization sleeve (36).

6. The hoisting device for a grandstand panel according to claim 2, characterized in that, The top of the hoisting beam (331) is provided with multiple lifting lugs (5) along its own length direction. Multiple lifting ropes (8) are provided between the hoisting plate (2) and the hoisting beam (331). The multiple lifting ropes (8) are provided one-to-one with the multiple lifting lugs (5). One end of the lifting rope (8) is connected to the corresponding lifting lug (5), and the other end of the lifting rope (8) is connected to the hoisting plate (2).

7. The hoisting device for a grandstand panel according to claim 4, characterized in that, The connecting ring plate (31) includes a connecting plate (312) and two U-shaped plates (311). Both U-shaped plates (311) can be sleeved with the horizontal part of the grandstand plate (6). The two ends of the connecting plate (312) are respectively connected to the two U-shaped plates (311).

8. The hoisting device for a grandstand panel according to claim 7, characterized in that, The bottom end of the horizontal plate (61) away from the vertical plate (62) has a corresponding snap-fit ​​block (63) that mates with the snap-fit ​​groove (622).

9. A method for using a hoisting device for a grandstand panel according to claim 8, characterized in that, Includes the following steps: S1. Set the two U-shaped plates (311) opposite each other and fit them onto the part of the horizontal plate (61) without the extension of the snap-fit ​​block (63). Then, cover the two U-shaped plates (311) with the connecting plate (312) and fasten the connecting plate (312) to the two U-shaped plates (311) respectively with bolts. Insert the fixing rod (321) into the mounting hole (621) until the fixing plate (322) abuts against one side of the vertical plate. Then, fit the fastening plate (323) onto the fixing rod (321) and abut against the other side of the vertical plate. S2. Insert one mounting rod (333) into the fixing plate (322) and the other mounting rod (333) into the connecting ring plate (31). Then, put one end of the snap fastener (4) on the mounting rod (333) and the other end on the drive screw (332). S3. Raise the hoisting plate (2), move the grandstand plate (6) to a suitable position, and then start the drive component (34) to make the drive screw (332) drive the grandstand plate (6) to move laterally, and make a fine adjustment to the position of the grandstand plate (6) so that the adjacent grandstand plates (6) are aligned. S4. Remove the connecting ring plate (31) and the fastener (32) from the grandstand plate (6) and install them on the next grandstand plate (6); S5. Repeat the above steps until all the grandstand panels (6) are installed.

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