Quick-release type steel ladle turret hoisting connection structure and using method thereof

Abstract

The invention discloses a quick release type steel ladle turret hoisting connection structure and a use method thereof, and belongs to the technical field of turret hoisting, a plurality of clamping blocks are driven by a hoisting sleeve to move downwards and extrude a sliding seat, the clamping blocks can move to the outer wall of the sliding seat, then a transverse plate is lifted upwards, the clamping blocks can drive the sliding seat to move upwards, and the sliding seat can move upwards. When the hoisting sleeve and the hoisting assembly are connected, the hoisting sleeve is connected outside the top block in a sleeving mode, the transverse plate is pressed downwards to drive the hoisting sleeve to move downwards, and when the clamping block moves to the position below the top block, the clamping block is supported through the elastic force of the spring, so that the hoisting sleeve and the hoisting assembly can be quickly disassembled. According to the steel ladle turret hoisting device, the clamping blocks are clamped to the bottom of the top block, hoisting connection and disassembly work can be carried out by pressing the transverse plate, hoisting connection operation can be carried out without increasing the movement range of personnel, and efficient and stable hoisting work of a steel ladle turret is facilitated while the working risk is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of turntable hoisting, and in particular to a quick-detachable ladle turntable hoisting connection structure and a use method thereof. Background Art

[0002] The ladle turret of the continuous casting machine is generally located directly below the overhead crane track beams of the two adjacent spans of the ladle receiving span and the continuous casting span. The height difference between the highest point of the finally installed ladle turret and the lowest point of the overhead crane track beam above it is about 2.5m.

[0003] At present, the lifting of the overhead crane mainly relies on two lifting points. During the lifting process, the overhead crane hook needs to be used to lift and move the ladle turret and align it for installation. Personnel need to operate at close range, and to prevent unhooking, the hook needs to be supported during the hooking process to improve the lifting stability, which increases the risk of work. Due to the large size of the ladle turret and the long distances between multiple lifting points, the range of movement is increased during the process of disassembling and installing the hook, which is very troublesome and increases the workload, and is not conducive to the efficient and stable lifting of the ladle turret.

[0004] Based on this, the present invention designs a quick-detachable ladle turret hoisting connection structure and a use method thereof to solve the above-mentioned problems. Summary of the invention

[0005] The object of the present invention is to provide a quick-detachable ladle turret hoisting connection structure and a method of using the same, so as to solve the problem proposed in the above-mentioned background technology that the hook needs to be supported during the hooking process to improve the lifting stability and increase the work risk; because the ladle turret is large in size and the distance between multiple lifting points is far, the range of movement is increased during the process of disassembling and assembling the hook, which is very troublesome and increases the workload.

[0006] To achieve the above object, the present invention provides the following technical solutions: A quick-detachable ladle turret hoisting and connection structure comprises side blocks, two side blocks are provided, and a turret seat is installed at the bottom of the two side blocks, a clamping sleeve is provided at the top of the side block, a locking assembly is installed in the clamping sleeve, the bottom end of the locking assembly is installed on the top of the side block, a hoisting sleeve is provided above the locking assembly, a hoisting assembly is provided in the hoisting sleeve, the bottom end of the hoisting assembly is fixedly connected to the top end of the locking assembly, slideways are respectively provided around the inner wall of the hoisting sleeve, a limiting assembly is installed in the slideway, one end of a plurality of limiting assemblies close to each other is clamped in the hoisting assembly, and the other end of the limiting assembly passes through the hoisting sleeve, a cross plate is fixedly connected to the hoisting sleeve, and an adjustment assembly is installed between the two cross plates.

[0007] As a further solution of the present invention, a pull rope is connected to one side above the transverse plate, and a lifting mounting frame is installed on the top of the two pull ropes.

[0008] As a further solution of the present invention, the locking assembly includes a threaded column, the top end of the threaded column is fixed to the bottom end of the lifting assembly, the bottom end of the threaded column is fixed with a mounting plate, bolts are respectively provided at the four corners of the mounting plate, and the mounting plate is mounted on the side frame by bolts.

[0009] As a further solution of the present invention, the threaded column is externally threadedly connected with a threaded cover, a clamping ring is fixed to the bottom of the threaded cover, the clamping ring is clamped in a clamping sleeve, and a plurality of through holes are opened on the threaded cover.

[0010] As a further solution of the present invention, the lifting assembly includes a fixed column, the bottom end of the fixed column is fixed to the top end of the locking assembly, the top end of the fixed column is fixedly connected with a top block, the top block slides in the lifting sleeve, the outer sleeve of the fixed column is connected with a sliding seat, the cross-sectional shapes of the sliding seat and the top block are both inclined designs, and the end of the limit assembly overlaps the bottom of the top block.

[0011] As a further solution of the present invention, the limit assembly includes a sliding rod, which is slidably connected in the slide, one end of the sliding rod is fixedly connected to a block, the bottom of the block is designed as an inclined surface, a stop block is fixed to the end of the sliding rod away from the block, and a spring is connected to the outer sleeve of the sliding rod, and the two ends of the spring are respectively fixed on the inner wall of the slide and the block.

[0012] As a further solution of the present invention, the adjustment assembly includes a bearing seat and two limit rods, and the bearing seat and the two limit rods are installed on one of the horizontal plates. A threaded barrel is installed in the bearing seat, and a screw rod is threadedly connected to the threaded barrel. One end of the screw rod is fixed to the other horizontal plate, and the limit rod slides in the horizontal plate.

[0013] A method for using a quick-detachable ladle turret hoisting connection structure, the method comprising the following steps: When the slewing pedestal is hoisted, the hoisting mounting frame is connected through the hoisting equipment. When the hoisting equipment is working, the two cross plates can be pulled through the hoisting mounting frame and two pull ropes. The cross plates pull the hoisting components through the hoisting sleeves and multiple clamping blocks. The hoisting components pull the side blocks through the locking components, and the two side blocks hoist the slewing pedestal. When separating the lifting sleeve and the lifting component, the lifting equipment lowers the rotary table and pushes the two horizontal plates downward, so that the horizontal plates drive the lifting sleeve to move downward, and the lifting sleeve drives multiple clamping blocks to move downward and squeeze the sliding seat. Because the bottom of the clamping block is designed to be inclined, the clamping block will move into the slideway after being pressed. As the lifting sleeve continues to move downward, the clamping block can move to the outer wall of the sliding seat. Next, the horizontal plate is lifted up, and the clamping block will drive the sliding seat to move upward, so that the top of the sliding seat contacts the bottom of the top block. Because the cross-sectional shapes of the sliding seat and the top block are both designed with inclined surfaces, the clamping block can slide on the outer walls of the sliding seat and the top block until the clamping block is separated from the top block, and the lifting sleeve and the lifting component can be separated. When removing the locking assembly, loosen the bolt through the through hole on the threaded cover, and then rotate the threaded cover to make the threaded cover drive the snap ring out of the slot, and then the locking assembly can be removed from the side block frame. When installing the locking assembly, insert the mounting plate into the top of the side block frame and rotate the threaded cover to make the threaded cover drive the snap ring to move downward and snap into the sleeve, and then tighten the bolt to achieve the function of supporting and limiting the threaded column. When adjusting the spacing between the two lifting sleeves, by rotating the threaded cylinder, the screw rod will move inside the threaded cylinder during rotation and push the cross plate to move horizontally. At the same time, the two limit rods can slide inside the cross plate to change the spacing between the two cross plates, so that the distance between the two lifting sleeves can be adjusted, and the lifting work of rotary pedestals of different specifications can be performed. When connecting the lifting sleeve and the lifting assembly, the lifting sleeve is connected to the outside of the top block, and pressing down the cross plate will drive the lifting sleeve to move downward. When multiple blocks in the lifting sleeve contact with the top block, they will move away from each other. When the block moves to the bottom of the top block, the block is supported by the elastic force of the spring, so that the slide rod drives the block to approach the fixed column, so that multiple blocks are clamped at the bottom of the top block. In the process of moving the lifting sleeve upward, the top block and the fixed column can be pulled by multiple blocks, and the fixed column drives the side frame and the rotary pedestal to move upward through the locking assembly.

[0014] Compared with the prior art, the present invention has the following beneficial effects: The present invention separates the lifting sleeve and the lifting component by pushing the two cross plates downward, so that the cross plates drive the lifting sleeve to move downward, and the lifting sleeve drives multiple blocks to move downward and squeeze the sliding seat. Because the bottom of the block is designed to be inclined, the block will move into the slideway after being pressed. As the lifting sleeve continues to move downward, the block can move to the outer wall of the sliding seat. Next, the cross plate is lifted up, and the block will drive the sliding seat to move upward, so that the top of the sliding seat contacts the bottom of the top block, and the block can slide between the sliding seat and the outer wall of the top block until the block is separated from the top block, thereby achieving the purpose of quick release between the lifting sleeve and the lifting component. When connecting the lifting sleeve and the lifting component, the lifting sleeve is put into Connected to the outside of the top block, pressing down the cross plate will drive the lifting sleeve to move downward, and the multiple blocks in the lifting sleeve will move away from each other when they come into contact with the top block. When the blocks move to the bottom of the top block, the elastic force of the springs will support the blocks, so that the slide rods drive the blocks to approach the fixed columns, so that the multiple blocks are connected to the bottom of the top block. Therefore, when lifting the ladle turret, the traditional method of directly using the hook to align the lifting is abandoned. The lifting connection and disassembly work can be carried out by pressing the cross plate. There is no need to increase the range of personnel's activities to perform lifting and connecting operations, which reduces the risk of work and is conducive to the efficient and stable lifting of the ladle turret.

[0015] 2. When installing the locking assembly, the present invention inserts the mounting plate into the top of the side block frame and rotates the threaded cover, so that the threaded cover drives the clamping ring to move downward and insert it into the clamping sleeve, and cooperates with tightening the bolt to realize the support and limiting function of the threaded column, thereby improving the stability of the connection between the locking assembly and the side block frame and the safety of the subsequent lifting of the turntable seat. When adjusting the spacing between the two lifting sleeves, the threaded barrel is rotated, and the screw rod moves inside the threaded barrel during rotation, and pushes the cross plate to move horizontally. At the same time, the two limit rods can slide inside the cross plate to change the spacing between the two cross plates. The distance between the two lifting sleeves can be adjusted to meet the requirements for lifting work on turntable seats of different specifications, making the lifting connection structure widely used. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the present invention; Figure 2 It is a structural schematic diagram of the side stop frame and the locking assembly being separated from each other in the present invention; Figure 3 It is a structural schematic diagram of the locking assembly of the present invention; Figure 4It is a structural schematic diagram of the hoisting assembly of the present invention; Figure 5 It is a structural schematic diagram of the cross section of the lifting sleeve of the present invention; Figure 6 It is a structural schematic diagram of the connection between the transverse plate and the adjustment assembly of the present invention; Figure 7 It is a schematic diagram of the structure of the regulating component of the present invention.

[0018] In the accompanying drawings, the components represented by the reference numerals are listed as follows: 1. Side stop frame; 2. Rotating table; 3. Clamping sleeve; 4. Locking assembly; 401. Threaded column; 402. Mounting plate; 403. Bolt; 404. Threaded cover; 405. Snap ring; 406. Through hole; 5. Lifting sleeve; 6. Lifting assembly; 601. Fixed column; 602. Top block; 603. Sliding seat; 7. Slideway; 8. Limiting assembly; 801. Sliding rod; 802. Block; 803. Spring; 804. Stopper; 9. Cross plate; 10. Pull rope; 11. Lifting mounting frame; 12. Adjusting assembly; 121. Bearing seat; 122. Threaded barrel; 123. Screw rod; 124. Limiting rod. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figure 1-Figure 7 , the present invention provides a technical solution: A quick-detachable ladle turret hoisting connection structure comprises a side block frame 1, the number of the side block frames 1 is two, and a turret seat 2 is installed at the bottom of the two side block frames 1, a clamping sleeve 3 is provided on the top of the side block frame 1, a locking assembly 4 is installed in the clamping sleeve 3, the bottom end of the locking assembly 4 is installed on the top of the side block frame 1, a hoisting sleeve 5 is provided above the locking assembly 4, a hoisting assembly 6 is provided in the hoisting sleeve 5, the bottom end of the hoisting assembly 6 is fixedly connected to the top of the locking assembly 4, slideways 7 are respectively provided around the inner wall of the hoisting sleeve 5, and a limiting assembly 8 is installed in the slideway 7, one end of a plurality of limiting assemblies 8 close to each other is clamped in the hoisting assembly 6, and the other end of the limiting assembly 8 passes through the hoisting sleeve 5, a horizontal plate 9 is fixedly connected to the hoisting sleeve 5, and an adjustment assembly 12 is installed between the two horizontal plates 9; During work, when the ladle turret is hoisted, the traditional method of directly using the hook to align the hoisting is abandoned. The hoisting connection and disassembly work can be carried out by pressing the cross plate 9. There is no need to increase the range of personnel's activities to perform hoisting and connecting operations, thereby reducing work risks.

[0021] As a further solution of the present invention, a pull rope 10 is connected to one side above the horizontal plate 9, and a lifting mounting frame 11 is installed at the top of the two pull ropes 10; During operation, the lifting installation frame 11 is connected through the lifting equipment. When the lifting equipment is working, the two horizontal plates 9 can be pulled through the lifting installation frame 11 and two pull ropes 10. The two pull ropes 10, the lifting installation frame 11 and the two horizontal plates 9 form a triangular stable structure, thereby improving the lifting stability.

[0022] As a further solution of the present invention, the locking assembly 4 includes a threaded column 401, the top of the threaded column 401 is fixed to the bottom of the hanging assembly 6, the bottom of the threaded column 401 is fixed with a mounting plate 402, the four corners of the mounting plate 402 are respectively provided with bolts 403, and the mounting plate 402 is mounted on the side frame 1 through the bolts 403; The threaded column 401 is externally threadedly connected with a threaded cover 404, a clamping ring 405 is fixed to the bottom of the threaded cover 404, the clamping ring 405 is clamped in the clamping sleeve 3, and a plurality of through holes 406 are opened on the threaded cover 404; During operation, the mounting plate 402 is inserted into the top of the side frame 1 and the threaded cover 404 is rotated, so that the threaded cover 404 drives the retaining ring 405 to move downward and be inserted into the sleeve 3, and the bolt 403 is tightened to achieve the function of supporting and limiting the threaded column 401, thereby improving the stability of the connection between the locking assembly 4 and the side frame 1 and the safety of the subsequent lifting of the turntable 2.

[0023] As a further solution of the present invention, the hanging assembly 6 includes a fixed column 601, the bottom end of the fixed column 601 is fixed to the top end of the locking assembly 4, the top end of the fixed column 601 is fixedly connected to a top block 602, the top block 602 slides in the hanging sleeve 5, the outer sleeve of the fixed column 601 is connected to a sliding seat 603, the cross-sectional shapes of the sliding seat 603 and the top block 602 are both inclined, and the end of the limit assembly 8 is overlapped at the bottom of the top block 602; During operation, since the cross-sectional shapes of the sliding seat 603 and the top block 602 are both inclined, the clamping block 802 can slide on the outer walls of the sliding seat 603 and the top block 602, making it convenient for the clamping block 802 to detach from the top block 602, and the lifting sleeve 5 can be separated from the lifting assembly 6 without the need for human assistance, thereby improving the convenience of operation.

[0024] As a further solution of the present invention, the limit assembly 8 includes a slide bar 801, which is slidably connected in the slideway 7, one end of the slide bar 801 is fixedly connected to a block 802, the bottom of the block 802 is designed as an inclined surface, and one end of the slide bar 801 away from the block 802 is fixed with a stopper 804, and the outer sleeve of the slide bar 801 is connected with a spring 803, and the two ends of the spring 803 are respectively fixed on the inner wall of the slideway 7 and the block 802; During operation, when the card block 802 moves to the bottom of the top block 602, the card block 802 is supported by the elastic force of the spring 803, so that the slide bar 801 drives the card block 802 to approach the fixed column 601, so that multiple card blocks 802 are connected to the bottom of the top block 602, which is convenient for the card block 802 to pull the top block 602 and the fixed column 601 to move.

[0025] As a further solution of the present invention, the adjustment assembly 12 includes a bearing seat 121 and two limit rods 124, the bearing seat 121 and the two limit rods 124 are installed on one of the horizontal plates 9, a threaded cylinder 122 is installed in the bearing seat 121, a screw rod 123 is connected to the inner thread of the threaded cylinder 122, one end of the screw rod 123 is fixed to the other horizontal plate 9, and the limit rod 124 slides in the horizontal plate 9; During operation, by rotating the threaded cylinder 122, the screw rod 123 will move inside the threaded cylinder 122 during rotation, and push the cross plate 9 to move horizontally. At the same time, the two limit rods 124 can slide inside the cross plate 9, so that the distance between the two cross plates 9 changes, which is convenient for hoisting turntables 2 of different specifications.

[0026] A method for using a quick-detachable ladle turret hoisting connection structure, the method comprising the following steps: When the rotating platform 2 is hoisted, the hoisting mounting frame 11 is connected through the hoisting equipment. When the hoisting equipment is working, the two horizontal plates 9 can be pulled through the hoisting mounting frame 11 and two pull ropes 10. The horizontal plates 9 pull the hoisting assembly 6 through the hoisting sleeve 5 and multiple clamping blocks 802. The hoisting assembly 6 pulls the side block frame 1 through the locking assembly 4, and the two side block frames 1 hoist the rotating platform 2. When separating the lifting sleeve 5 and the lifting component 6, the lifting equipment puts down the rotating platform 2 and pushes the two cross plates 9 downward, so that the cross plates 9 drive the lifting sleeve 5 to move downward, and the lifting sleeve 5 drives multiple blocks 802 to move downward and squeeze the sliding seat 603. Because the bottom of the block 802 is inclined, the block 802 will move into the slideway 7 after being pressed. As the lifting sleeve 5 continues to move downward, the block 802 can move to the outer wall of the sliding seat 603, and then the cross plate 9 is lifted up, and the block 802 will drive the sliding seat 603 to move upward, so that the top of the sliding seat 603 contacts the bottom of the top block 602. Because the cross-sectional shapes of the sliding seat 603 and the top block 602 are both inclined, the block 802 can slide on the outer wall of the sliding seat 603 and the top block 602 until the block 802 is separated from the top block 602, and the lifting sleeve 5 can be separated from the lifting component 6; When removing the locking assembly 4, loosen the bolt 403 through the through hole 406 on the threaded cover 404, and then rotate the threaded cover 404 so that the threaded cover 404 drives the snap ring 405 out of the slot, and the locking assembly 4 can be removed from the side block frame 1. When installing the locking assembly 4, insert the mounting plate 402 into the top of the side block frame 1 and rotate the threaded cover 404 so that the threaded cover 404 drives the snap ring 405 to move downward and get stuck in the sleeve 3, and tighten the bolt 403 to achieve the function of supporting and limiting the threaded column 401; When adjusting the distance between the two lifting sleeves 5, by rotating the threaded cylinder 122, the screw rod 123 will move inside the threaded cylinder 122 during the rotation process, and push the horizontal plate 9 to move horizontally. At the same time, the two limit rods 124 can slide inside the horizontal plate 9 to change the distance between the two horizontal plates 9. The distance between the two lifting sleeves 5 can be adjusted, and the lifting work of the rotating pedestal 2 of different specifications can be performed. When connecting the lifting sleeve 5 and the lifting assembly 6, the lifting sleeve 5 is sleeved on the outside of the top block 602, and pressing down the horizontal plate 9 will drive the lifting sleeve 5 When the lifting sleeve 5 moves downward, the multiple blocks 802 in the lifting sleeve 5 will move away from each other when they come into contact with the top block 602. When the block 802 moves to the bottom of the top block 602, the elastic force of the spring 803 supports the block 802, so that the slide bar 801 drives the block 802 to approach the fixed column 601, so that the multiple blocks 802 are connected to the bottom of the top block 602. During the upward movement of the lifting sleeve 5, the top block 602 and the fixed column 601 can be pulled by the multiple blocks 802, and the fixed column 601 drives the side frame 1 and the rotating platform 2 to move upward through the locking assembly 4.

Claims

1. A quick-detachable ladle turret hoisting connection structure, comprising a side stop frame (1), characterized in that: The number of the side baffles (1) is two, and a rotating pedestal (2) is installed at the bottom of the two side baffles (1). A clamping sleeve (3) is provided at the top of the side baffle (1), and a locking assembly (4) is installed in the clamping sleeve (3). The bottom end of the locking assembly (4) is installed on the top of the side baffle (1). A lifting sleeve (5) is provided above the locking assembly (4), and a lifting assembly (6) is provided in the lifting sleeve (5). The bottom end of the lifting assembly (6) is fixedly connected to the top of the locking assembly (4). Slideways (7) are respectively provided around the inner wall of the lifting sleeve (5), and a limiting assembly (8) is installed in the slideway (7). One end of a plurality of limiting assemblies (8) close to each other is clamped in the lifting assembly (6), and the other end of the limiting assembly (8) passes through the lifting sleeve (5). A horizontal plate (9) is fixedly connected to the lifting sleeve (5), and an adjustment assembly (12) is installed between the two horizontal plates (9).

2. The quick-detachable ladle turret hoisting connection structure according to claim 1 is characterized in that: A pull rope (10) is connected to one side above the transverse plate (9), and a lifting mounting frame (11) is installed at the top of the two pull ropes (10).

3. The quick-detachable ladle turret hoisting connection structure according to claim 1 is characterized in that: The locking assembly (4) comprises a threaded column (401), the top end of the threaded column (401) is fixed to the bottom end of the hanging assembly (6), a mounting plate (402) is fixed to the bottom end of the threaded column (401), bolts (403) are respectively provided at the four corners of the mounting plate (402), and the mounting plate (402) is mounted on the side block frame (1) via the bolts (403).

4. The quick-detachable ladle turret hoisting connection structure according to claim 3 is characterized in that: The threaded column (401) is externally threadedly connected to a threaded cover (404), a clamping ring (405) is fixed to the bottom of the threaded cover (404), the clamping ring (405) is clamped in the clamping sleeve (3), and a plurality of through holes (406) are formed on the threaded cover (404).

5. The quick-detachable ladle turret hoisting connection structure according to claim 1, characterized in that: The hoisting assembly (6) comprises a fixed column (601), the bottom end of the fixed column (601) is fixed to the top end of the locking assembly (4), the top end of the fixed column (601) is fixedly connected to a top block (602), the top block (602) slides in the hoisting sleeve (5), the outer sleeve of the fixed column (601) is connected to a sliding seat (603), the cross-sectional shapes of the sliding seat (603) and the top block (602) are both inclined, and the end of the limit assembly (8) overlaps the bottom of the top block (602).

6. The quick-detachable ladle turret hoisting connection structure according to claim 1, characterized in that: The limit assembly (8) comprises a slide rod (801), the slide rod (801) is slidably connected in the slideway (7), one end of the slide rod (801) is fixedly connected to a clamping block (802), the bottom of the clamping block (802) is designed as an inclined surface, one end of the slide rod (801) away from the clamping block (802) is fixedly provided with a stopper (804), and the outer sleeve of the slide rod (801) is connected to a spring (803), and the two ends of the spring (803) are respectively fixed to the inner wall of the slideway (7) and the clamping block (802).

7. The quick-detachable ladle turret hoisting connection structure according to claim 1, characterized in that: The adjustment assembly (12) comprises a bearing seat (121) and two limit rods (124), wherein the bearing seat (121) and the two limit rods (124) are mounted on one of the transverse plates (9), a threaded barrel (122) is mounted inside the bearing seat (121), a screw rod (123) is connected to the inner thread of the threaded barrel (122), one end of the screw rod (123) is fixed to the other transverse plate (9), and the limit rod (124) slides inside the transverse plate (9).

8. A method for using a quick-detachable ladle turret hoisting connection structure, according to any one of claims 1 to 7, characterized in that: The method of use comprises the following steps: When the rotating platform (2) is hoisted, the hoisting mounting frame (11) is connected via a hoisting device. When the hoisting device is in operation, the two transverse plates (9) can be pulled via the hoisting mounting frame (11) and two pull ropes (10). The transverse plates (9) pull the hoisting assembly (6) via the hoisting sleeve (5) and a plurality of clamping blocks (802). The hoisting assembly (6) pulls the side baffles (1) via the locking assembly (4). The two side baffles (1) hoist the rotating platform (2). When the lifting sleeve (5) and the lifting assembly (6) are separated, the lifting device lowers the rotating platform (2) and pushes the two horizontal plates (9) downward, so that the horizontal plates (9) drive the lifting sleeve (5) to move downward, and the lifting sleeve (5) drives the multiple clamping blocks (802) to move downward and squeeze the sliding seat (603). Because the bottom of the clamping block (802) is designed to be inclined, the clamping block (802) will move into the slideway (7) after being pressed. As the lifting sleeve (5) continues to move downward, the clamping block (802) can move to the sliding seat ( 603), and then the horizontal plate (9) is lifted up, and the clamping block (802) drives the sliding seat (603) to move upward, so that the top of the sliding seat (603) contacts the bottom of the top block (602). Since the cross-sectional shapes of the sliding seat (603) and the top block (602) are both inclined, the clamping block (802) can slide on the outer wall of the sliding seat (603) and the top block (602) until the clamping block (802) is separated from the top block (602), and the lifting sleeve (5) and the lifting assembly (6) can be separated; When removing the locking assembly (4), the bolt (403) is loosened through the through hole (406) on the threaded cover (404), and the threaded cover (404) is rotated so that the threaded cover (404) drives the snap ring (405) to disengage from the slot, and the locking assembly (4) can be removed from the side block frame (1). When installing the locking assembly (4), the mounting plate (402) is inserted into the top of the side block frame (1) and the threaded cover (404) is rotated so that the threaded cover (404) drives the snap ring (405) to move downward and snap into the sleeve (3), and the bolt (403) is tightened to achieve the function of supporting and limiting the threaded column (401); When adjusting the spacing between the two lifting sleeves (5), the threaded cylinder (122) is rotated. During the rotation of the threaded cylinder (122), the screw rod (123) moves inside the threaded cylinder (122) and pushes the horizontal plate (9) to move horizontally. At the same time, the two limit rods (124) can slide inside the horizontal plate (9) to change the spacing between the two horizontal plates (9). Thus, the distance between the two lifting sleeves (5) can be adjusted, and the lifting work of the rotary pedestal (2) of different specifications can be performed. When connecting the lifting sleeve (5) and the lifting assembly (6), the lifting sleeve (5) is sleeved on the outside of the top block (602). Pressing down the horizontal plate (9) will drive the lifting sleeve (5) to move downward, and the lifting When the multiple clamping blocks (802) in the installation sleeve (5) contact the top block (602), they move away from each other. When the clamping blocks (802) move to the bottom of the top block (602), the elastic force of the spring (803) supports the clamping blocks (802), so that the slide bar (801) drives the clamping blocks (802) to approach the fixed column (601), so that the multiple clamping blocks (802) are clamped at the bottom of the top block (602). During the upward movement of the lifting sleeve (5), the top block (602) and the fixed column (601) can be pulled by the multiple clamping blocks (802), and the fixed column (601) drives the side block frame (1) and the rotating platform (2) to move upward through the locking assembly (4).

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