Lifting rotating stage with high stability

Abstract

The high-stability lifting rotating stage comprises a base, a stage body is arranged above the base, a fixing rod is fixed to the top of the base, a plurality of sets of clamping grooves are vertically formed in the side wall of the fixing rod, the fixing rod penetrates through a through hole, a lifting ring is arranged at the middle point of the interior of the stage body, and the lifting ring is arranged in the middle of the interior of the stage body. And air cylinders are arranged at the two ends of the bottom of the stage body in a penetrating mode, the limiting rods penetrate through the through holes, and connecting rods are arranged above the limiting rods. The lifting rotary stage with high stability is provided with a lifting ring and a limiting rod, after the stage body is lifted to a specified height, the lifting ring can be driven to descend through an air cylinder, a connecting rod drives the limiting rod to move towards the end away from the central axis of the stage body, and then the limiting rod can be inserted into a clamping groove in the side wall of a fixing rod; and therefore, the periphery of the lifted stage body is supported, the overall stability is improved, and the situation that performance personnel shake and are unstable when performing actions on the stage body is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field related to stage equipment, in particular to a lifting and rotating stage with high stability. Background Art

[0002] Stage equipment is special mechanical equipment used by performers to perform. It is an important component of theater buildings and provides necessary guarantees for stage performances.

[0003] The Chinese patent with publication number CN110565999A discloses a rotatable lifting stage, including a base, a stage plate, a rotating device and a lifting device; the top of the base is open and the interior is hollow, and the stage plate, the lifting device and the rotating device are located from the top of the base to the bottom of the inner cavity in sequence; a rotating shaft is connected to the center of the bottom of the stage plate, the rotating shaft is perpendicular to the surface of the stage plate, the free end of the rotating shaft is connected to the rotating device, the rotating shaft is the axis of the rotating shaft, the rotating shaft and the rotating device slide in the axial direction, the rotating shaft passes through the rotating device, and the length of the passing part is greater than the stage lifting height difference; the lifting device includes a linear motion pair and a lifting layer, the lifting layer is located below the stage plate, the rotating shaft passes through the lifting layer, the linear motion pair is located below the lifting layer, the output end is connected to the bottom of the lifting layer, and the moving direction of the lifting layer is parallel to the axis of the rotating shaft. The stage can realize the functions of lifting and rotating at the same time, and the lifting and rotating can be performed separately.

[0004] To summarize, the above patent uses two sets of lead screws to drive two sets of moving blocks closer to each other, and cooperates with the lifting rod to lift the stage, so as to achieve the lifting and lowering of the stage. However, during the stage performance, the performers will continue to perform actions on the stage, and the pressure and vibration of the stage will be transmitted to the lead screw. The lifting method of the above patent will cause the lead screw to bear not only vertical pressure, but also lateral tension. The lead screw is prone to bending or even breaking after long-term use. In addition, the above patent is not convenient for protecting the performers after the stage is lifted. Performers are prone to falling from the stage and getting injured, and the safety is poor. Utility Model Content

[0005] The purpose of the utility model is to provide a lifting and rotating stage with high stability, so as to solve the problem that the lifting method of the above-mentioned patent proposed in the above-mentioned background technology will cause the screw to bear not only vertical pressure but also lateral tension, and the screw is prone to the risk of bending or even breaking after long-term use, and the above-mentioned patent has poor safety.

[0006] To achieve the above purpose, the utility model provides the following technical solutions: a lifting and rotating stage with high stability, comprising a base,

[0007] A stage body is arranged above the base, and through holes are provided around the stage body. A fixing rod is fixed on the top of the base, and a plurality of slots are vertically provided on the side wall of the fixing rod. The fixing rod passes through the through hole, and a plurality of through holes and fixing rods are provided. A lifting mechanism is arranged above the base, a rotating platform is arranged above the stage body, and a rotating mechanism is arranged inside the stage body.

[0008] A lifting ring is provided at the inner midpoint of the stage body, and cylinders are provided through both ends of the bottom of the stage body, the output end of the cylinder is connected to the lifting ring, and limit rods are transversely provided around the inner wall of the stage body, the limit rods pass through the through holes, and a connecting rod is provided above the limit rods, the two ends of the connecting rods are respectively connected to the limit rods and the lifting ring, and multiple groups of limit rods and connecting rods are provided.

[0009] By adopting the above technical solution, the lifting mechanism can drive the stage body to be lifted and lowered. While the stage body is being lifted and lowered, the stage body will slide on the fixed rod. When the stage body is lifted and lowered to a specified height, the lifting ring can be driven down by the cylinder, so that the two ends of the connecting rod are respectively rotated on the lifting ring and the limit rod, which can drive the limit rod to move to the end away from the central axis of the stage body, and then the limit rod is inserted into the groove of the side wall of the fixed rod, so as to support the stage body on all sides after it is lifted, thereby reducing the pressure on the multi-stage hydraulic cylinder and improving the overall stability, preventing performers from shaking and being unstable when performing actions on the stage body.

[0010] Preferably, the lifting mechanism comprises a multi-stage hydraulic cylinder, which is mounted on a base, and an output end of the multi-stage hydraulic cylinder is connected to the bottom midpoint of the stage body.

[0011] By adopting the above technical solution, the output end of the multi-stage hydraulic cylinder can be extended or contracted to drive the stage body to move up and down.

[0012] Preferably, the rotating mechanism includes a rotating drum and a reduction motor, the rotating drum is installed at the top midpoint of the stage body through a bearing, and the top of the rotating drum is fixedly connected to the turntable, the bottom of the rotating drum is connected to the output end of the reduction motor, and the reduction motor is installed at the inner midpoint of the stage body, and the rotating drum passes through the lifting ring.

[0013] By adopting the above technical solution, the reduction motor can drive the rotating drum to rotate, and the rotating drum can drive the rotating platform to rotate, so that the performers can rotate during the performance.

[0014] Preferably, balls are arranged around the bottom of the rotating platform, and the balls are in contact with the stage body.

[0015] By adopting the above technical solution, the ball bearing can reduce the friction force when the rotating table rotates on the stage body, so as to avoid the phenomenon of jamming during the rotation process.

[0016] Preferably, a plurality of groups of inclined rods are fixed to the outer side of the stage body, and the plurality of groups of inclined rods are connected by a steel wire anti-falling net.

[0017] By adopting the above technical solution, the steel wire anti-fall net on the inclined rod can protect the performers when they accidentally step on air and fall, avoiding safety accidents caused by the performers falling directly, and improving safety during use.

[0018] Preferably, a telescopic ladder is installed on the base, and the telescopic ladder is connected to the stage body through a pedal.

[0019] By adopting the above technical solution, when the stage body is raised or lowered, the telescopic ladder will be pulled to be extended and retracted at the same time. The pedal can facilitate the staff to climb onto the stage body from the telescopic ladder, and then can facilitate the performers to climb onto the stage body after the stage body is lifted, so that the stage body does not need to be lowered, thereby improving its functionality.

[0020] Compared with the prior art, the utility model has the following beneficial effects: the lifting and rotating stage with high stability is

[0021] (1) A lifting ring and a limiting rod are provided. After the stage body is lifted to a specified height, the lifting ring can be driven down by the cylinder, so that the connecting rod drives the limiting rod to move to the end away from the central axis of the stage body, and the limiting rod can be inserted into the slot on the side wall of the fixed rod, thereby supporting the four sides of the lifted stage body, improving the overall stability, and preventing the performers from shaking and being unstable when performing on the stage body;

[0022] (2) A wire anti-fall net and a telescopic ladder are provided. When in use, the wire anti-fall net can protect performers from accidentally falling due to stepping on air, thereby preventing performers from falling directly and causing safety accidents. In addition, when the main body of the stage is raised, the pedal and the telescopic ladder will be raised at the same time as the main body of the stage, so that performers can easily climb onto the main body of the stage without having to lower the main body of the stage, thereby improving its functionality. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the front cross-sectional structure of the stage main body of the utility model;

[0025] Figure 3 It is a schematic diagram of the structure of the stage main body viewed from above of the utility model.

[0026] In the figure: 1. base, 2. stage body, 3. through hole, 4. fixing rod, 5. multi-stage hydraulic cylinder, 6. rotating table, 7. rotating drum, 8. reduction motor, 9. ball bearing, 10. lifting ring, 11. cylinder, 12. limit rod, 13. connecting rod, 14. inclined rod, 15. steel wire anti-fall net, 16. telescopic ladder, 17. pedal. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-3 The utility model provides a technical solution: a lifting and rotating stage with high stability, such as Figure 1 , Figure 2 and Figure 3 As shown, a stage body 2 is arranged above the base 1, and through holes 3 are opened around the stage body 2. A fixing rod 4 is fixed to the top of the base 1, and a plurality of slots are vertically opened on the side wall of the fixing rod 4. The fixing rod 4 passes through the through holes 3, and a plurality of through holes 3 and fixing rod 4 are provided. A lifting mechanism is arranged above the base 1, a rotating platform 6 is arranged above the stage body 2, and a rotating mechanism is arranged inside the stage body 2.

[0029] A lifting ring 10 is provided at the inner midpoint of the stage body 2, and cylinders 11 are provided through both ends of the bottom of the stage body 2, and the output end of the cylinder 11 is connected to the lifting ring 10. Limit rods 12 are laterally provided around the inner wall of the stage body 2, and the limit rods 12 pass through the through hole 3, and a connecting rod 13 is provided above the limit rod 12, and both ends of the connecting rod 13 are respectively connected to the limit rod 12 and the lifting ring 10, and multiple groups of limit rods 12 and connecting rods 13 are provided.

[0030] like Figure 1 As shown, the lifting mechanism includes a multi-stage hydraulic cylinder 5, which is installed on the base 1, and the output end of the multi-stage hydraulic cylinder 5 is connected to the bottom midpoint of the stage body 2.

[0031] like Figure 1 and Figure 2 As shown, the rotating mechanism includes a rotating drum 7 and a reduction motor 8. The rotating drum 7 is installed at the top midpoint of the stage body 2 through a bearing, and the top of the rotating drum 7 is fixedly connected to the rotating table 6. The bottom of the rotating drum 7 is connected to the output end of the reduction motor 8, and the reduction motor 8 is installed at the inner midpoint of the stage body 2. The rotating drum 7 passes through the lifting ring 10.

[0032] like Figure 1 and Figure 2 As shown, balls 9 are arranged around the bottom of the rotating platform 6, and the balls 9 are in contact with the stage body 2.

[0033] like Figure 1 and Figure 3 As shown, multiple groups of inclined rods 14 are fixed to the outside of the stage body 2, and the multiple groups of inclined rods 14 are connected by a steel wire anti-falling net 15.

[0034] like Figure 1 As shown, a telescopic ladder 16 is installed on the base 1, and the telescopic ladder 16 is connected to the stage body 2 through a pedal 17.

[0035] Working principle: When in use, the output end of the multi-stage hydraulic cylinder 5 is extended to drive the stage body 2 to be lifted. At the same time, the pedal 17 and the telescopic ladder 16 will be lifted at the same time as the stage body 2. When it is lifted to the specified height, the cylinder 11 is depressurized to drive the lifting ring 10 to descend. At this time, the two ends of the connecting rod 13 will rotate on the limit rod 12 and the lifting ring 10 respectively, and drive the limit rod 12 to move to the end away from the central axis of the stage body 2, so that the limit rod 12 is stuck in the groove of the side wall of the fixed rod 4, that is, the limit rod 12 supports the four sides of the stage body 2, thereby improving the stability of performers when performing on the stage body 2.

[0036] This completes the entire operation, and the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0037] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.

[0038] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A lifting and rotating stage with high stability, comprising a base (1), characterized in that: A stage body (2) is arranged above the base (1), and through holes (3) are provided around the stage body (2). A fixing rod (4) is fixed on the top of the base (1), and a plurality of slots are vertically provided on the side wall of the fixing rod (4). The fixing rod (4) passes through the through hole (3), and a plurality of through holes (3) and fixing rods (4) are provided. A lifting mechanism is arranged above the base (1), a rotating platform (6) is arranged above the stage body (2), and a rotating mechanism is arranged inside the stage body (2); A lifting ring (10) is arranged at the inner midpoint of the stage body (2), and cylinders (11) are arranged through the two ends of the bottom of the stage body (2), and the output end of the cylinder (11) is connected to the lifting ring (10). Limit rods (12) are arranged transversely around the inner wall of the stage body (2), and the limit rods (12) pass through the through hole (3), and a connecting rod (13) is arranged above the limit rod (12), and the two ends of the connecting rod (13) are respectively connected to the limit rod (12) and the lifting ring (10), and multiple groups of the limit rods (12) and the connecting rods (13) are arranged.

2. The lifting and rotating stage with high stability according to claim 1, characterized in that: The lifting mechanism comprises a multi-stage hydraulic cylinder (5), which is installed on a base (1), and the output end of the multi-stage hydraulic cylinder (5) is connected to the bottom midpoint of the stage body (2).

3. The lifting and rotating stage with high stability according to claim 1, characterized in that: The rotating mechanism comprises a rotating drum (7) and a reduction motor (8); the rotating drum (7) is installed at the top midpoint of the stage body (2) through a bearing, and the top of the rotating drum (7) is fixedly connected to the rotating platform (6); the bottom of the rotating drum (7) is connected to the output end of the reduction motor (8), and the reduction motor (8) is installed at the inner midpoint of the stage body (2); the rotating drum (7) passes through the lifting ring (10).

4. The lifting and rotating stage with high stability according to claim 1, characterized in that: Ball bearings (9) are arranged around the bottom of the rotating platform (6), and the ball bearings (9) are in contact with the stage body (2).

5. The lifting and rotating stage with high stability according to claim 1, characterized in that: A plurality of groups of inclined rods (14) are fixed on the outer side of the stage body (2), and the plurality of groups of inclined rods (14) are connected by a steel wire anti-falling net (15).

6. The lifting and rotating stage with high stability according to claim 1, characterized in that: A telescopic ladder (16) is installed on the base (1), and the telescopic ladder (16) is connected to the stage body (2) via a pedal (17).

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