Liftable rotating stage

Abstract

The utility model relates to the field of stage equipment, in particular to a liftable rotary stage which comprises a supporting plate and a supporting mechanism. Two stretching plates which are symmetrically distributed are arranged on the supporting plate, and a plurality of positioning holes which are symmetrically distributed are formed in the stretching plates; the supporting mechanism comprises four fixing blocks which are symmetrically distributed on the supporting plate, two rotating shafts which are vertically distributed on the fixing blocks, four cross beams which are horizontally arranged, a supporting frame which is arranged on the cross beams, two connecting plates which are respectively arranged on the cross beams and the supporting frame, and second fixing bolts which penetrate through the cross beams and are in threaded connection with the positioning holes; the rotating shaft is rotationally connected with the connecting plate. The area of the supporting plate can be adjusted, multiple persons can stand conveniently, the supporting effect is stable, good practicability is achieved, meanwhile, the device for controlling rotation and lifting is stable in structure, and safety of performers is guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of stage equipment, in particular to a liftable and rotating stage. Background Art

[0002] A revolving stage is a stage equipment that integrates lifting and horizontal rotation functions. It is usually installed in theaters, conference centers or other performance venues. This stage can achieve vertical lifting and lowering movement through a hydraulic or electric system, and the stage surface can rotate around its central axis to create a variety of performance spaces and visual effects.

[0003] Chinese patent announcement number CN217054531U discloses a stage lifting platform with a rotatable tabletop, comprising a bottom plate, wheels are arranged on the lower end surface of the bottom plate, supporting devices are fixedly connected to both sides of the bottom plate, a lifting device is arranged in the inner cavity of the bottom plate, a rotating device is rotatably connected to the upper end surface of the lifting device, and a protective device is fixedly connected to the upper end surface of the rotating device. The stage solves the problem that the stage cannot be lifted, rotated, or transported.

[0004] However, the above technical solution has the following shortcomings: the stage surface area cannot be adjusted in size, and sometimes one or two more people need to stand during the performance to improve the visual effect of the performance. However, since the stage surface area is generally designed to be used by a single person to avoid occupying too much of the overall area of ​​the stage, it is difficult for multiple people to stand, which reduces the practicality of the equipment. Utility Model Content

[0005] The utility model aims to solve the problems existing in the background technology and proposes a liftable and rotating stage, which can adjust the area of ​​the support plate to facilitate multiple people to stand, and has a stable supporting effect and good practicality. At the same time, the structure of the device for controlling rotation and lifting is stable to ensure the safety of performers.

[0006] The technical solution of the utility model is a liftable and revolving stage, comprising a support plate and a support mechanism; two symmetrically distributed stretching plates are arranged on the support plate, and a plurality of symmetrically distributed positioning holes are arranged on the stretching plate; the support mechanism comprises four fixed blocks symmetrically distributed on the support plate, two rotating shafts vertically distributed on the fixed blocks, four horizontally arranged crossbeams, a support frame arranged on the crossbeams, two connecting plates respectively arranged on the crossbeams and the support frames, and a second fixing bolt that penetrates the crossbeams and is threadedly connected to the positioning holes, and the rotating shaft and the connecting plate are rotatably connected.

[0007] Preferably, two horizontally distributed guide plates having a plurality of linearly arranged threaded holes are arranged on the stretching plate, and a sliding groove for the guide plates to slide is provided on the supporting plate.

[0008] Preferably, the support plate is provided with a plurality of countersunk holes distributed in a linear array, and the interior of the countersunk holes is provided with first fixing bolts threadedly connected to the threaded holes.

[0009] Preferably, two supplementary plates are arranged on the support plate and are embedded in the gap between the support plate and the stretching plate.

[0010] Preferably, a control device is provided below the support plate, and the control device comprises a mounting seat, a rotating mechanism for driving the support plate to rotate, and a lifting mechanism for driving the mounting seat to move vertically.

[0011] Preferably, the rotating mechanism includes a turntable arranged on a support plate, a connecting column coaxially arranged on the turntable, four rollers distributed in an annular array on the turntable, and a driving assembly for driving the connecting column to rotate, the connecting column is rotationally connected to the mounting seat, and the roller is rollingly connected to the mounting seat.

[0012] Preferably, the driving assembly includes a motor arranged inside the mounting seat, a main shaft drivingly connected to the motor, and a first gear and a second gear coaxially arranged on the main shaft and the connecting column respectively, and the first gear and the second gear are meshingly connected.

[0013] Preferably, the lifting mechanism includes a pedestal, four hydraulic cylinders arranged inside the pedestal, a clamping block drivingly connected to the hydraulic cylinders, and four lifting blocks respectively arranged around the mounting seat, and the lifting blocks are provided with clamping grooves for the clamping blocks to be embedded.

[0014] Compared with the prior art, the utility model has the following beneficial technical effects:

[0015] The utility model can adjust the bearing area of ​​the support plate through the support mechanism and the supplementary plate, so that the stage can be used in performances of multiple scenes according to needs, and has good practicality. The positioning holes, the second fixing bolts and the first fixing bolts that are arranged in combination can effectively and stably support the stretching plate according to different sliding distances, thereby ensuring the safety of the performers. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;

[0017] Figure 2 is a schematic diagram of the structure of the support plate;

[0018] Figure 3 is an axial schematic diagram of the support plate;

[0019] Figure 4 is a schematic diagram of the structure of the support assembly;

[0020] Figure 5 It is a structural diagram of the control device.

[0021] : Illustration numerals: 1. support plate; 2. stretching plate; 3. guide plate; 4. threaded hole; 5. countersunk hole; 6. first fixing bolt; 7. supplementary plate; 8. fixing block; 9. crossbeam; 10. support frame; 11. rotating shaft; 12. connecting plate; 13. positioning hole; 14. second fixing bolt; 15. mounting seat; 16. turntable; 17. connecting column; 18. roller; 19. motor; 20. main shaft; 21. first gear; 22. second gear; 23. pedestal; 24. hydraulic cylinder; 25. block; 26. lifting block. DETAILED DESCRIPTION

[0022] Embodiment 1

[0023] like Figure 1-Figure 5 As shown, the present embodiment provides a liftable and revolving stage, comprising a support plate 1 and a support mechanism; the support plate 1 is provided with two symmetrically distributed stretching plates 2, and the stretching plate 2 is provided with a plurality of symmetrically distributed positioning holes 13.

[0024] like Figure 2-Figure 4 As shown, the support mechanism includes four fixed blocks 8 symmetrically distributed on the support plate 1, two rotating shafts 11 vertically distributed on the fixed blocks 8, four horizontally arranged beams 9, a support frame 10 arranged on the beams 9, two connecting plates 12 respectively arranged on the beams 9 and the support frames 10, and a second fixing bolt 14 passing through the beams 9 and threadedly connected to the positioning holes 13, and the rotating shaft 11 and the connecting plate 12 are rotatably connected.

[0025] The stretching plate 2 is provided with two horizontally distributed guide plates 3 with multiple linearly arranged threaded holes 4, the support plate 1 is provided with a slide groove for the guide plate 3 to slide, and the support plate 1 is provided with multiple countersunk holes 5 distributed in a linear array, and the inside of the countersunk hole 5 is provided with a first fixing bolt 6 threadedly connected to the threaded hole 4.

[0026] like Figure 2 As shown, two supplementary plates 7 are provided on the support plate 1 and embedded in the gap between the support plate 1 and the stretching plate 2. The supplementary plates 7 have various sizes to ensure that the gaps between the stretching plate 2 and the support plate 1 can be filled when the gaps are different in size.

[0027] In this embodiment, when it is necessary to adjust the bearing area of ​​the support plate 1, the stretching plate 2 is slid to a suitable distance through the guide plate 3, and then the beam 9 is rotated to align the through hole on the beam 9 with the positioning hole 13, and then the second fixing bolt 14 is screwed in to fix the beam 9. The multiple positioning holes 13 are used to adapt to the stretching plate 2 when it is extended to different lengths. The bearing capacity of the beam 9 is improved in conjunction with the support frame 10 to ensure the safe use of the equipment. The first fixing bolt 6 is then screwed into the threaded hole 4 through the countersunk hole 5 to further fix the stretching plate 2. Finally, the supplementary plate 7 is embedded to complete the expansion of the area, which has good practicality.

[0028] Embodiment 2

[0029] like Figure 1 and Figure 5 As shown, this embodiment proposes a liftable and rotating stage. Compared with the first embodiment, in this embodiment, a control device is arranged under the support plate 1, and the control device includes a mounting seat 15, a rotating mechanism for driving the support plate 1 to rotate, and a lifting mechanism for driving the mounting seat 15 to move vertically.

[0030] The rotating mechanism includes a turntable 16 disposed on the support plate 1, a connecting column 17 coaxially disposed on the turntable 16, four rollers 18 distributed in an annular array on the turntable 16, and a driving assembly driving the connecting column 17 to rotate. The connecting column 17 is rotatably connected to the mounting seat 15, and the roller 18 is rollingly connected to the mounting seat 15. The roller 18 can reduce the friction between the turntable 16 and the mounting seat 15, thereby reducing energy consumption. The driving assembly includes a motor 19 disposed inside the mounting seat 15, a main shaft 20 drivingly connected to the motor 19, and a first gear 21 and a second gear 22 coaxially disposed on the main shaft 20 and the connecting column 17, respectively, and the first gear 21 and the second gear 22 are meshingly connected.

[0031] The main shaft 20 is driven to rotate by the motor 19, and then the first gear 21 is meshed with the second gear 22 for transmission, the second gear 22 drives the connecting column 17 to rotate, and the connecting column 17 drives the turntable 16 and the support plate 1 to rotate, thereby realizing the rotation of the performer.

[0032] The lifting mechanism includes a pedestal 23, four hydraulic cylinders 24 arranged inside the pedestal 23, a clamping block 25 driven by the hydraulic cylinder 24, and four lifting blocks 26 respectively arranged around the mounting base 15. The lifting blocks 26 are provided with clamping grooves for the clamping blocks 25 to be embedded. The setting of the clamping blocks 25 and the clamping grooves is used to ensure stability during lifting.

[0033] The clamping block 25 is driven to move up and down by the hydraulic cylinder 24 , and the clamping block 25 pushes the lifting block 26 and the mounting seat 15 to move up and down, thereby achieving the lifting of the performer.

[0034] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A revolving stage capable of lifting and lowering, characterized in that: include: A support plate (1) on which two symmetrically distributed stretching plates (2) are arranged, and the stretching plates (2) are provided with a plurality of symmetrically distributed positioning holes (13); The support mechanism comprises four fixed blocks (8) symmetrically distributed on a support plate (1), two rotating shafts (11) vertically distributed on the fixed blocks (8), four horizontally arranged crossbeams (9), a supporting frame (10) arranged on the crossbeams (9), two connecting plates (12) respectively arranged on the crossbeams (9) and the supporting frame (10), and a second fixing bolt (14) penetrating the crossbeams (9) and being threadedly connected to the positioning holes (13), and the rotating shafts (11) and the connecting plates (12) are rotatably connected.

2. The liftable and revolving stage according to claim 1, characterized in that: The stretching plate (2) is provided with two horizontally distributed guide plates (3) having a plurality of linearly arranged threaded holes (4), and the support plate (1) is provided with a sliding groove for the guide plates (3) to slide.

3. The liftable and revolving stage according to claim 2, characterized in that: The support plate (1) is provided with a plurality of countersunk holes (5) distributed in a linear array, and a first fixing bolt (6) threadedly connected to the threaded hole (4) is provided inside the countersunk hole (5).

4. The liftable and revolving stage according to claim 1, characterized in that: The support plate (1) is provided with two supplementary plates (7) which are embedded in the gap between the support plate (1) and the stretching plate (2).

5. The liftable and revolving stage according to claim 1, characterized in that: A control device is arranged below the support plate (1), and the control device comprises a mounting seat (15), a rotating mechanism for driving the support plate (1) to rotate, and a lifting mechanism for driving the mounting seat (15) to move vertically.

6. The liftable and revolving stage according to claim 5, characterized in that: The rotating mechanism comprises a turntable (16) arranged on a support plate (1), a connecting column (17) coaxially arranged on the turntable (16), four rollers (18) distributed in an annular array on the turntable (16), and a driving assembly for driving the connecting column (17) to rotate, wherein the connecting column (17) is rotationally connected to a mounting seat (15), and the roller (18) is rollingly connected to the mounting seat (15).

7. The liftable and revolving stage according to claim 6, characterized in that: The driving assembly comprises a motor (19) arranged inside the mounting seat (15), a main shaft (20) drivingly connected to the motor (19), and a first gear (21) and a second gear (22) coaxially arranged on the main shaft (20) and the connecting column (17), respectively, and the first gear (21) and the second gear (22) are meshingly connected.

8. The liftable and revolving stage according to claim 5, characterized in that: The lifting mechanism comprises a pedestal (23), four hydraulic cylinders (24) arranged inside the pedestal (23), a clamping block (25) drivingly connected to the hydraulic cylinders (24), and four lifting blocks (26) respectively arranged around the mounting seat (15), wherein the lifting blocks (26) are provided with clamping grooves for the clamping blocks (25) to be embedded.

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