Hydraulically-driven omni-directional steel structure overturning platform

Abstract

The utility model relates to the technical field of steel structure machining, in particular to a hydraulic drive all-dimensional steel structure overturning platform which clamps a steel structure through a limiting mechanism and then adjusts the angle of the steel structure through the cooperation of an overturning mechanism and the limiting mechanism, so that workers can conveniently weld different positions of the steel structure, and the working efficiency is improved. Then the welded steel structure is taken down from the limiting mechanism through the discharging mechanism, and in the welding process, welding fume around the overturning mechanism is cleaned through the fume discharging mechanism, so that the practicability of the equipment is improved; comprising a limiting mechanism; the device further comprises an overturning mechanism, a discharging mechanism and a smoke discharging mechanism. The limiting mechanism, the discharging mechanism and the smoke discharging mechanism are all installed on the overturning mechanism. The turnover mechanism is matched with the limiting mechanism to adjust the angle of the steel structure, the discharging mechanism discharges the welded steel structure, and the smoke discharging mechanism cleans welding smoke.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structure processing, in particular to a hydraulically driven omnidirectional steel structure turning platform. Background Art

[0002] A steel structure is a structure made of steel materials. During the processing of the steel structure, various components need to be welded. Generally, a steel structure flipping device such as the one disclosed in the utility model patent with publication number CN218905310U and the one disclosed in the utility model patent with publication number CN221141148U are used to flip the steel structure to assist workers in welding the various components of the steel structure.

[0003] However, it was found during use that the existing flipping device has a relatively simple structure and a small flipping angle. It also requires workers to change their working positions to weld the steel structure, and it is inconvenient to remove the welded steel structure, resulting in poor practicality. Therefore, there is an urgent need for a hydraulically driven all-round steel structure flipping platform to improve the above problems. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a hydraulically driven omnidirectional steel structure flipping platform which clamps the steel structure through a limiting mechanism, and then adjusts the angle of the steel structure through a flipping mechanism in cooperation with the limiting mechanism, so as to facilitate the workers to weld different positions of the steel structure, and then removes the welded steel structure from the limiting mechanism through a discharge mechanism, and during the welding process, cleans the welding smoke around the flipping mechanism through a smoke exhaust mechanism, thereby improving the practicality of the equipment.

[0005] The utility model is a hydraulically driven omnidirectional steel structure turning platform, comprising a limit mechanism; a turning mechanism, a material discharging mechanism and a smoke exhaust mechanism, wherein the limit mechanism, the material discharging mechanism and the smoke exhaust mechanism are all mounted on the turning mechanism;

[0006] The flip mechanism cooperates with the limiting mechanism to adjust the angle of the steel structure, the discharge mechanism discharges the welded steel structure, and the smoke exhaust mechanism cleans the welding smoke;

[0007] The steel structure is clamped by the limiting mechanism, and then the angle of the steel structure is adjusted by the flipping mechanism in cooperation with the limiting mechanism, which makes it convenient for workers to weld different positions of the steel structure. The welded steel structure is then removed from the limiting mechanism by the discharging mechanism. During the welding process, the welding smoke around the flipping mechanism is cleaned by the smoke exhaust mechanism, thereby improving the practicality of the equipment.

[0008] Preferably, the flipping mechanism includes a frame, a rotating frame, a gear ring, multiple groups of support rollers, a first motor, a gear and a base, the bottom end of the frame is installed on the base, the rotating frame is rotatably installed on the frame, the gear ring is sleeved on the rotating frame, the multiple groups of support rollers are all installed on the outer wall of the gear ring, and the multiple groups of support rollers are in contact with the inner wall of the frame, the first motor is installed on the frame, the gear is installed on the output shaft of the first motor, and the gear is meshed with the gear ring; by turning on the first motor, the gear and the gear ring are meshed and transmitted to drive the rotating frame to rotate, and the steel structure clamped on the limiting mechanism is flipped, thereby improving the practicality of the equipment.

[0009] Preferably, the limiting mechanism includes two groups of first hydraulic cylinders, multiple groups of telescopic rods, two groups of support frames, two groups of second motors and two groups of clamping platforms, one end of the two groups of first hydraulic cylinders and multiple groups of telescopic rods are installed on the inner wall of the rotating frame, the two groups of support frames are respectively installed on the other end of the two groups of first hydraulic cylinders, the other ends of the multiple groups of telescopic rods are respectively installed on the two groups of support frames, the two clamping platforms are respectively rotatably installed on the two groups of support frames, the two groups of second motors are respectively fixedly installed on the two groups of support frames, and the output shafts of the two groups of second motors are respectively connected to the two groups of clamping platforms; the steel structure is placed on the bottom clamping platform, extended by the two groups of first hydraulic cylinders, and guided by the multiple groups of telescopic rods, so that the two groups of clamping platforms clamp the steel structure, and then the two groups of second motors are turned on to rotate the two clamping platforms, and the steel structure is adjusted to different angles in coordination with the rotation of the rotating frame, thereby improving the practicality of the equipment.

[0010] Preferably, the discharging mechanism includes a slide rail, a first slider, a third motor, a lead screw, multiple groups of second hydraulic cylinders, a support plate, a second slider, multiple groups of hooks and a third hydraulic cylinder. The slide rail is installed at the rear end of the base, the first slider is slidably installed on the slide rail, the third motor is installed at the rear end of the slide rail, one end of the lead screw is installed on the output shaft of the third motor, the other end of the lead screw passes through the first slider and is rotatably connected to the rear end of the base, and the surface of the lead screw is threadedly connected to the middle part of the first slider, the bottom ends of the multiple groups of second hydraulic cylinders and the support plate are rotatably connected to the top end of the first slider, the top ends of the multiple groups of second hydraulic cylinders are rotatably installed at the rear end of the support plate, and the second slider is slidably installed on the support On the plate, multiple groups of hooks are installed on the second slider, and the third hydraulic cylinder is installed at the rear end of the support plate, and the bottom end of the third hydraulic cylinder is connected to the top end of the second slider; turn on the third motor, and drive the first slider close to the base through the screw, and at the same time, extend or shrink the third hydraulic cylinder to adjust the height of the second slider, so that multiple groups of hooks hook the steel structure, and then shrink the third hydraulic cylinder to make the second slider slide upward, and at the same time, the third motor runs in the opposite direction to make the first slider slide backward, and shrink the multiple groups of second hydraulic cylinders to make the support plate tilt backward, and then shrink the two groups of first hydraulic cylinders to remove the steel structure from the clamping platform, thereby improving the practicality of the equipment.

[0011] Preferably, the smoke exhaust mechanism includes two groups of filter boxes, multiple groups of filter plates, two groups of exhaust pumps and two groups of suction pipes, the two groups of filter boxes are installed on the base, the multiple groups of filter plates are respectively installed inside the two groups of filter boxes, the two groups of exhaust pumps are respectively installed on the two groups of filter boxes, the two groups of exhaust pumps are provided with suction ports and exhaust ports, and the suction ports of the two groups of exhaust pumps are respectively communicated with the interiors of the two groups of filter boxes, the two ends of the two groups of suction pipes are respectively communicated with the interiors of the two groups of filter boxes, and the two groups of suction pipes are respectively provided with multiple groups of suction holes; the exhaust ports of the two groups of exhaust pumps are connected to the smoke exhaust pipes, and the two groups of exhaust pumps are opened, so that the two groups of suction pipes discharge the welding smoke around the rotating frame into the two groups of filter boxes, and filter the particulate matter in the welding smoke through the multiple groups of filter plates, and then discharge the welding smoke through the two groups of exhaust pumps, reducing the impact of the welding smoke on the surrounding environment and staff, thereby improving the practicality of the equipment.

[0012] Preferably, a plurality of mounting seats are provided on the inner wall of the rotating frame, so that the supporting components can be conveniently installed on the plurality of mounting seats, and the components of the steel structure can be supported and limited, thereby improving the practicability of the equipment.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: the steel structure is clamped by the limiting mechanism, and then the angle of the steel structure is adjusted by the flipping mechanism in cooperation with the limiting mechanism, which makes it convenient for the workers to weld different positions of the steel structure, and then the welded steel structure is removed from the limiting mechanism by the discharging mechanism, and during the welding process, the welding smoke around the flipping mechanism is cleaned by the smoke exhaust mechanism, thereby improving the practicality of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a first axonometric structural diagram of the present invention;

[0015] Figure 2 This is a second axonometric structural diagram of the present invention;

[0016] Figure 3 This is a front view structural diagram of the present utility model;

[0017] Figure 4 It is a right side structural schematic diagram of the present utility model;

[0018] Figure 5 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0019] Figure 6 This utility model Figure 5 Schematic diagram of the enlarged structure of part A in .

[0020] Markings in the accompanying drawings: 1. Frame; 2. Rotating frame; 3. Gear ring; 4. Support roller; 5. First motor; 6. Gear; 7. First hydraulic cylinder; 8. Telescopic rod; 9. Support frame; 10. Second motor; 11. Clamping platform; 12. Base; 13. Slide rail; 14. First slider; 15. Third motor; 16. Screw; 17. Second hydraulic cylinder; 18. Support plate; 19. Second slider; 20. Hook; 21. Third hydraulic cylinder; 22. Filter box; 23. Filter plate; 24. Exhaust pump; 25. Intake pipe. DETAILED DESCRIPTION

[0021] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0022] Example 1

[0023] A hydraulically driven omnidirectional steel structure turning platform includes a limit mechanism, a turning mechanism, a material discharging mechanism and a smoke exhaust mechanism, wherein the limit mechanism, the material discharging mechanism and the smoke exhaust mechanism are all installed on the turning mechanism;

[0024] The flip mechanism cooperates with the limiting mechanism to adjust the angle of the steel structure, the discharge mechanism discharges the welded steel structure, and the smoke exhaust mechanism cleans the welding smoke;

[0025] The turning mechanism includes a frame 1, a rotating frame 2, a gear ring 3, multiple groups of support rollers 4, a first motor 5, a gear 6 and a base 12. The bottom end of the frame 1 is mounted on the base 12, the rotating frame 2 is rotatably mounted on the frame 1, the gear ring 3 is sleeved on the rotating frame 2, the multiple groups of support rollers 4 are all mounted on the outer wall of the gear ring 3, and the multiple groups of support rollers 4 are in contact with the inner wall of the frame 1, the first motor 5 is mounted on the frame 1, the gear 6 is mounted on the output shaft of the first motor 5, and the gear 6 is meshed with the gear ring 3;

[0026] The limiting mechanism includes two groups of first hydraulic cylinders 7, multiple groups of telescopic rods 8, two groups of support frames 9, two groups of second motors 10 and two groups of clamping platforms 11. One end of the two groups of first hydraulic cylinders 7 and the multiple groups of telescopic rods 8 are mounted on the inner wall of the rotating frame 2, the two groups of support frames 9 are respectively mounted on the other end of the two groups of first hydraulic cylinders 7, the other ends of the multiple groups of telescopic rods 8 are respectively mounted on the two groups of support frames 9, the two groups of clamping platforms 11 are respectively rotatably mounted on the two groups of support frames 9, the two groups of second motors 10 are respectively fixedly mounted on the two groups of support frames 9, and the output shafts of the two groups of second motors 10 are respectively connected to the two groups of clamping platforms 11;

[0027] The discharging mechanism includes a slide rail 13, a first slider 14, a third motor 15, a lead screw 16, multiple sets of second hydraulic cylinders 17, a support plate 18, a second slider 19, multiple sets of hooks 20 and a third hydraulic cylinder 21. The slide rail 13 is installed at the rear end of the base 12, the first slider 14 is slidably installed on the slide rail 13, the third motor 15 is installed at the rear end of the slide rail 13, one end of the lead screw 16 is installed on the output shaft of the third motor 15, and the other end of the lead screw 16 passes through the first slider 14 and rotates with the rear end of the base 12. The surface of the lead screw 16 is threadedly connected to the middle part of the first slider 14, the bottom ends of the multiple groups of second hydraulic cylinders 17 and the support plate 18 are rotatably connected to the top of the first slider 14, the top ends of the multiple groups of second hydraulic cylinders 17 are rotatably mounted on the rear end of the support plate 18, the second slider 19 is slidably mounted on the support plate 18, the multiple groups of hooks 20 are mounted on the second slider 19, the third hydraulic cylinder 21 is mounted on the rear end of the support plate 18, and the bottom end of the third hydraulic cylinder 21 is connected to the top end of the second slider 19;

[0028] The steel structure is placed on the bottom clamping platform 11, and the two groups of first hydraulic cylinders 7 are extended. At the same time, the two groups of first hydraulic cylinders 7 are guided by multiple groups of telescopic rods 8, so that the two groups of clamping platforms 11 clamp the steel structure. Then, the two groups of second motors 10 are turned on to rotate the two groups of clamping platforms 11. Then, the first motor 5 is turned on, and the gear 6 is meshed with the gear ring 3 to drive the rotating frame 2 to rotate, so that the steel structure can be adjusted to different angles, which is convenient for the staff to weld different positions of the steel structure at the same work station. After the welding of the steel structure is completed, the third motor is turned on. 15, driven by the lead screw 16, the first slider 14 is moved close to the base 12, and at the same time, the third hydraulic cylinder 21 is extended or contracted to adjust the height of the second slider 19, so that the multiple groups of hooks 20 hook the steel structure, and then the third hydraulic cylinder 21 is contracted to make the second slider 19 slide upward, and at the same time, the third motor 15 runs in the opposite direction to make the first slider 14 slide backward, and the multiple groups of second hydraulic cylinders 17 are contracted to make the support plate 18 tilt backward, and then the two groups of first hydraulic cylinders 7 are contracted to remove the steel structure from the clamping platform 11, thereby improving the practicality of the equipment.

[0029] Example 2

[0030] like Figures 1 to 6 As shown, a hydraulically driven omnidirectional steel structure turning platform includes a limiting mechanism; a turning mechanism, a material discharging mechanism and a smoke exhaust mechanism, and the limiting mechanism, the material discharging mechanism and the smoke exhaust mechanism are all installed on the turning mechanism;

[0031] The flip mechanism cooperates with the limiting mechanism to adjust the angle of the steel structure, the discharge mechanism discharges the welded steel structure, and the smoke exhaust mechanism cleans the welding smoke;

[0032] The turning mechanism includes a frame 1, a rotating frame 2, a gear ring 3, multiple groups of support rollers 4, a first motor 5, a gear 6 and a base 12. The bottom end of the frame 1 is mounted on the base 12, the rotating frame 2 is rotatably mounted on the frame 1, the gear ring 3 is sleeved on the rotating frame 2, the multiple groups of support rollers 4 are all mounted on the outer wall of the gear ring 3, and the multiple groups of support rollers 4 are in contact with the inner wall of the frame 1, the first motor 5 is mounted on the frame 1, the gear 6 is mounted on the output shaft of the first motor 5, and the gear 6 is meshed with the gear ring 3;

[0033] The limiting mechanism includes two groups of first hydraulic cylinders 7, multiple groups of telescopic rods 8, two groups of support frames 9, two groups of second motors 10 and two groups of clamping platforms 11. One end of the two groups of first hydraulic cylinders 7 and the multiple groups of telescopic rods 8 are mounted on the inner wall of the rotating frame 2, the two groups of support frames 9 are respectively mounted on the other end of the two groups of first hydraulic cylinders 7, the other ends of the multiple groups of telescopic rods 8 are respectively mounted on the two groups of support frames 9, the two groups of clamping platforms 11 are respectively rotatably mounted on the two groups of support frames 9, the two groups of second motors 10 are respectively fixedly mounted on the two groups of support frames 9, and the output shafts of the two groups of second motors 10 are respectively connected to the two groups of clamping platforms 11;

[0034] The discharging mechanism includes a slide rail 13, a first slider 14, a third motor 15, a lead screw 16, multiple sets of second hydraulic cylinders 17, a support plate 18, a second slider 19, multiple sets of hooks 20 and a third hydraulic cylinder 21. The slide rail 13 is installed at the rear end of the base 12, the first slider 14 is slidably installed on the slide rail 13, the third motor 15 is installed at the rear end of the slide rail 13, one end of the lead screw 16 is installed on the output shaft of the third motor 15, and the other end of the lead screw 16 passes through the first slider 14 and rotates with the rear end of the base 12. The surface of the lead screw 16 is threadedly connected to the middle part of the first slider 14, the bottom ends of the multiple groups of second hydraulic cylinders 17 and the support plate 18 are rotatably connected to the top of the first slider 14, the top ends of the multiple groups of second hydraulic cylinders 17 are rotatably mounted on the rear end of the support plate 18, the second slider 19 is slidably mounted on the support plate 18, the multiple groups of hooks 20 are mounted on the second slider 19, the third hydraulic cylinder 21 is mounted on the rear end of the support plate 18, and the bottom end of the third hydraulic cylinder 21 is connected to the top end of the second slider 19;

[0035] The smoke exhaust mechanism includes two groups of filter boxes 22, multiple groups of filter plates 23, two groups of exhaust pumps 24 and two groups of suction pipes 25. The two groups of filter boxes 22 are installed on the base 12, and the multiple groups of filter plates 23 are respectively installed inside the two groups of filter boxes 22. The two groups of exhaust pumps 24 are respectively installed on the two groups of filter boxes 22. The two groups of exhaust pumps 24 are provided with suction ports and exhaust ports, and the suction ports of the two groups of exhaust pumps 24 are respectively communicated with the interiors of the two groups of filter boxes 22. The two ends of the two groups of suction pipes 25 are respectively communicated with the interiors of the two groups of filter boxes 22, and the two groups of suction pipes 25 are provided with multiple groups of suction holes.

[0036] The inner wall of the rotating frame 2 is provided with multiple sets of mounting seats;

[0037] The steel structure is placed on the bottom clamping platform 11, and the two groups of first hydraulic cylinders 7 are extended. At the same time, the two groups of first hydraulic cylinders 7 are guided by multiple groups of telescopic rods 8, so that the two groups of clamping platforms 11 clamp the steel structure. Then, the two groups of second motors 10 are turned on to rotate the two groups of clamping platforms 11. Then, the first motor 5 is turned on, and the gear 6 is meshed with the gear ring 3 to drive the rotating frame 2 to rotate, so that the steel structure can be adjusted to different angles, which is convenient for the staff to weld different positions of the steel structure at the same work station. After the welding of the steel structure is completed, the third motor 15 is turned on, and the screw 16 is used to drive the first slider 14 to approach the base 12. At the same time, the third hydraulic cylinder 21 is extended or contracted to adjust the height of the second slider 19, so that the multiple groups of hooks 2 are moved. 0 hooks the steel structure, and then contracts through the third hydraulic cylinder 21 to slide the second slide block 19 upward, and at the same time, the third motor 15 runs in the opposite direction to slide the first slide block 14 backward, and contracts through multiple sets of second hydraulic cylinders 17 to tilt the support plate 18 backward, and then contracts through two sets of first hydraulic cylinders 7 to remove the steel structure from the clamping platform 11. In addition, during the welding process, the exhaust ports of the two sets of exhaust pumps 24 are connected to the smoke exhaust pipes, and the two sets of exhaust pumps 24 are turned on to enable the two sets of suction pipes 25 to discharge the welding smoke around the rotating frame 2 into the two sets of filter boxes 22, and the particulate matter in the welding smoke is filtered through multiple sets of filter plates 23, and then the welding smoke is discharged through the two sets of exhaust pumps 24, thereby reducing the impact of the welding smoke on the surrounding environment and workers, thereby improving the practicality of the equipment.

[0038] The first motor 5, the first hydraulic cylinder 7, the second motor 10, the third motor 15, the second hydraulic cylinder 17 and the third hydraulic cylinder 21 of the hydraulically driven omnidirectional steel structure flipping platform of the utility model are purchased on the market. Technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for creative work by technicians in this field.

[0039] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A hydraulically driven omnidirectional steel structure turning platform, including a limiting mechanism; characterized in that: It also includes a turning mechanism, a material discharging mechanism and a smoke exhaust mechanism, wherein the limiting mechanism, the material discharging mechanism and the smoke exhaust mechanism are all installed on the turning mechanism; The flip mechanism cooperates with the limiting mechanism to adjust the angle of the steel structure, the discharge mechanism discharges the welded steel structure, and the smoke exhaust mechanism cleans the welding smoke; The turning mechanism comprises a frame (1), a rotating frame (2), a gear ring (3), a plurality of support rollers (4), a first motor (5), a gear (6) and a base (12); the bottom end of the frame (1) is mounted on the base (12); the rotating frame (2) is rotatably mounted on the frame (1); the gear ring (3) is sleeved on the rotating frame (2); the plurality of support rollers (4) are all mounted on the outer wall of the gear ring (3), and the plurality of support rollers (4) are all in contact with the inner wall of the frame (1); the first motor (5) is mounted on the frame (1); the gear (6) is mounted on the output shaft of the first motor (5), and the gear (6) is meshed with the gear ring (3).

2. A hydraulically driven omnidirectional steel structure turning platform according to claim 1, characterized in that: The limiting mechanism comprises two groups of first hydraulic cylinders (7), multiple groups of telescopic rods (8), two groups of support frames (9), two groups of second motors (10) and two groups of clamping platforms (11); one end of the two groups of first hydraulic cylinders (7) and the multiple groups of telescopic rods (8) are mounted on the inner wall of the rotating frame (2); the two groups of support frames (9) are respectively mounted on the other ends of the two groups of first hydraulic cylinders (7); the other ends of the multiple groups of telescopic rods (8) are respectively mounted on the two groups of support frames (9); the two groups of clamping platforms (11) are respectively rotatably mounted on the two groups of support frames (9); the two groups of second motors (10) are respectively fixedly mounted on the two groups of support frames (9); and the output shafts of the two groups of second motors (10) are respectively connected to the two groups of clamping platforms (11).

3. The hydraulically driven omnidirectional steel structure turning platform according to claim 1, characterized in that: The discharging mechanism comprises a slide rail (13), a first slider (14), a third motor (15), a lead screw (16), a plurality of second hydraulic cylinders (17), a support plate (18), a second slider (19), a plurality of hooks (20) and a third hydraulic cylinder (21). The slide rail (13) is mounted on the rear end of the base (12), the first slider (14) is slidably mounted on the slide rail (13), the third motor (15) is mounted on the rear end of the slide rail (13), one end of the lead screw (16) is mounted on the output shaft of the third motor (15), and the other end of the lead screw (16) passes through the first slider (14) and the base (12). The rear end of the first slider (14) is rotatably connected, and the surface of the lead screw (16) is threadedly connected to the middle of the first slider (14). The bottom ends of the plurality of second hydraulic cylinders (17) and the support plate (18) are rotatably connected to the top end of the first slider (14). The top ends of the plurality of second hydraulic cylinders (17) are rotatably mounted on the rear end of the support plate (18). The second slider (19) is slidably mounted on the support plate (18). The plurality of hooks (20) are mounted on the second slider (19). The third hydraulic cylinder (21) is mounted on the rear end of the support plate (18). The bottom end of the third hydraulic cylinder (21) is connected to the top end of the second slider (19).

4. The hydraulically driven omnidirectional steel structure turning platform according to claim 1, characterized in that: The smoke exhaust mechanism comprises two groups of filter boxes (22), multiple groups of filter plates (23), two groups of exhaust pumps (24) and two groups of suction pipes (25). The two groups of filter boxes (22) are both mounted on the base (12), the multiple groups of filter plates (23) are respectively mounted inside the two groups of filter boxes (22), the two groups of exhaust pumps (24) are respectively mounted on the two groups of filter boxes (22), the two groups of exhaust pumps (24) are both provided with suction ports and exhaust ports, and the suction ports of the two groups of exhaust pumps (24) are respectively communicated with the inside of the two groups of filter boxes (22), the two ends of the two groups of suction pipes (25) are respectively communicated with the inside of the two groups of filter boxes (22), and the two groups of suction pipes (25) are both provided with multiple groups of suction holes.

5. The hydraulically driven omnidirectional steel structure turning platform according to claim 1, characterized in that: A plurality of mounting seats are provided on the inner wall of the rotating frame (2).

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