CN213269133U

CN213269133U - Rotatable and liftable stage

Info

Publication number: CN213269133U
Application number: CN202021544851.XU
Authority: CN
Inventors: 徐绍圣; 张�杰; 徐锋
Original assignee: Jiangsu Jiamei Performing Arts Equipment Co ltd
Current assignee: Jiangsu Jiamei Performing Arts Equipment Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-05-25
Anticipated expiration: 2030-07-30

Abstract

The utility model relates to a rotatable and liftable stage, which comprises a stage plate and a support plate, a rotating mechanism is arranged between the stage plate and the support plate, a lifting mechanism is arranged at the bottom of the support plate, the lifting mechanism comprises two symmetrically arranged scissor mechanisms, each scissor mechanism comprises a first scissor unit, a second scissor unit and at least one third scissor unit which are arranged in sequence, a screw rod is arranged on a second shaft body between the first scissor board and the second scissor board which are adjacent to the first scissor unit and the second scissor unit, screw threads which are opposite to each other are arranged on the screw rod, a ball nut is arranged on the second shaft body, a fixed hinged seat and a movable hinged seat are arranged on the first scissor board and the second scissor board of the first scissor unit and the topmost third scissor unit, two scissor mechanisms are driven by a screw rod motor to move in opposite directions synchronously, a support center is always collinear with a rotation center, and the stage plate is lifted stably without shaking, can rotate and lift to meet the requirements of various lifting and rotating stages, and enriches the performance forms.

Description

Rotatable and liftable stage

Technical Field

The utility model relates to a stage that can rotate and go up and down belongs to performance equipment technical field.

Background

The stage is a space provided for the performance of actors in a theater, can make audiences concentrate on the performance of the actors and obtain ideal ornamental effect, and provides a basis for enriching the performance effect of the stage by matching the stage platform with a mechanical lifting or rotating mechanical driving structure. In the prior art, a stage which rotates and can be lifted is generally combined by a stage plate which can rotate relative to a supporting platform and a scissor type lifting structure at the bottom of the supporting platform, the scissor type lifting structure adopts the cross combination of scissor plates which are matched with each other, so that the stage has higher bearing capacity and running stability, and is more suitable for stable lifting of the stage, however, because the adjacent scissor units are driven by telescopic deflection of an oil cylinder and an oil cylinder rod, the hinging of the scissor units at least moves to one side, the center of a single scissor structure deviates from a rotating center, and the problem that the oil cylinder is difficult to synchronously control exists when two symmetrical scissor structures are combined, so that the support jitter or the load center deviates and is unstable, and the safety of rotary lifting execution of the stage is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at prior art's defect, provide a stage that can rotate and go up and down to two synchronous opposite direction removals of scissors mechanism of lead screw motor drive, make the center of support all the time with the rotation center collineation, realize that the stage board steadily goes up and down without shaking, can rotate and go up and down to satisfy various lift and rotatory stage show demands, richen performance form.

The utility model discloses a realize through following technical scheme:

a rotatable and liftable stage comprises a stage plate and a support plate at the bottom of the stage plate, wherein a rotating mechanism is arranged between the stage plate and the support plate, and a lifting mechanism is arranged at the bottom of the support plate, wherein the rotating mechanism is a rotating motor connected with the support plate, a motor shaft of the rotating motor is connected with the stage plate, and a turntable bearing is arranged between the stage plate and the support plate;

the lifting mechanism comprises two symmetrically arranged scissor mechanisms, and each scissor mechanism comprises a first scissor unit, a second scissor unit and at least one third scissor unit which are sequentially arranged;

the first scissors fork unit, the second scissors fork unit and the third scissors fork unit respectively comprise a first scissors fork plate and a second scissors fork plate which are arranged in a mutually crossed manner and provided with a first shaft body at the crossed position, and a second shaft body is arranged between the adjacent first scissors fork plate and the second scissors fork plate of the first scissors fork unit and the second scissors fork unit;

the second shaft bodies of the two scissor mechanisms are provided with screw rods, the screw rods and the second shaft body on one side are provided with screw rod motors, the screw rods are provided with opposite spiral threads, and the second shaft bodies are provided with ball nuts matched with the threads for use;

a third shaft body is arranged between the second scissors fork unit and the third scissors fork unit or between the adjacent first scissors fork plate and the second scissors fork plate of the adjacent third scissors fork unit, two guide rods which vertically penetrate are arranged between the third shaft bodies of the two scissors fork mechanisms, and a position-giving ring which is arranged corresponding to the position of the rotating motor is arranged between the two guide rods;

the first scissors fork plate and the second scissors fork plate of the first scissors fork unit and the third scissors fork unit at the top are respectively provided with a fixed hinged seat and a movable hinged seat, a connecting plate is arranged between the fixed hinged seat at the top and the supporting plate, and a sliding rail in sliding fit is arranged between the movable hinged seats of the two scissors fork mechanisms.

The utility model has the advantages that:

(1) the lead screw motor drives the lead screw to rotate, the rotation is changed into linear motion through the matching of opposite spiral threads and the ball nut, the first shaft bodies of the two scissor mechanisms are driven to move towards two sides of the rotating motor, the first scissor plate and the second scissor plate deflect around the first shaft bodies, the second shaft bodies or the third shaft bodies, the two scissor mechanisms synchronously move oppositely to integrally lift, the support plates are supported from two sides, the support center is always collinear with the rotation center, and the stage plate is lifted stably without shaking;

(2) the articulated seat of removal slides on the slide rail during stage lift, and the third axis body that is located the articulated seat homonymy of removal slides in the direction under the guide bar effect, guarantees to remove and support stability, lets the position ring for the rotating electrical machines step down, conveniently reduces the longitudinal dimension when the stage descends, and the lead screw motor of rotating electrical machines controls respectively can realize rotatory and go up and down synchronous or asynchronous execution, satisfies various lift and rotatory stage show demands, enriches the performance form.

Drawings

Fig. 1 is a top perspective view of the present invention.

Fig. 2 is a bottom perspective view of the present invention.

Fig. 3 is a bottom view of the present invention.

Fig. 4 is a front view structural diagram of the present invention.

The labels in the figure are: the stage plate comprises a stage plate 1, a support plate 2, a rotating motor 3, a turntable bearing 5, a scissor fork mechanism 6, a first scissor fork unit 61, a second scissor fork unit 62, a third scissor fork unit 63, a first shaft body 7, a first scissor fork plate 8, a second scissor fork plate 9, a second shaft body 10, a screw rod 11, a screw rod motor 12, threads 13, a ball nut 14, a third shaft body 15, a fixed hinged seat 16, a movable hinged seat 17, a connecting plate 18, a sliding rail 19, a mounting plate 20, a mounting hole 21, a fan-shaped hole 22, a guide rod 23 and a abdicating ring 24.

Detailed Description

The following describes the present invention with reference to the accompanying drawings.

A rotatable and liftable stage comprises a stage plate 1 and a support plate 2 at the bottom of the stage plate 1, wherein a rotating mechanism is arranged between the stage plate 1 and the support plate 2, and a lifting mechanism is arranged at the bottom of the support plate 2, wherein the rotating mechanism is a rotating motor 3 connected with the support plate 2, a motor shaft of the rotating motor 3 is connected with the stage plate 1, and a turntable bearing 5 is arranged between the stage plate 1 and the support plate 2;

the lifting mechanism comprises two symmetrically arranged scissors mechanisms 6, and each scissors mechanism 6 comprises a first scissors unit 61, a second scissors unit 62 and at least one third scissors unit 63 which are sequentially arranged;

the first scissors unit 61, the second scissors unit 62 and the third scissors unit 63 respectively comprise a first scissors plate 8 and a second scissors plate 9 which are arranged in a mutually crossed manner and provided with a first shaft body 7 at the crossed position, and a second shaft body 10 is arranged between the adjacent first scissors plate 8 and the second scissors plate 9 of the first scissors unit 61 and the second scissors unit 62;

a screw rod 11 is arranged on a second shaft body 10 of the two scissor mechanisms 6, a screw rod motor 12 is arranged on the screw rod 11 and the second shaft body 10 on one side, opposite spiral threads 13 are arranged on the screw rod 11, and a ball nut 14 matched with the threads 13 for use is arranged on the second shaft body 10;

a third shaft body 15 is arranged between the second scissors unit 62 and the third scissors unit 63 or between the adjacent first scissors plate 8 and the second scissors plate 9 of the adjacent third scissors unit 63, two guide rods 23 which vertically penetrate are arranged between the third shaft bodies 15 of the two scissors mechanisms 6, and a position-giving ring 24 which is arranged corresponding to the position of the rotating motor 3 is arranged between the two guide rods 23;

the first scissor plate 8 and the second scissor plate 9 of the first scissor unit 61 and the third scissor unit 63 at the top are respectively provided with a fixed hinged seat 16 and a movable hinged seat 17, a connecting plate 18 is arranged between the fixed hinged seat 16 at the top and the supporting plate 2, and a sliding rail 19 in sliding fit is arranged between the movable hinged seats 17 of the two scissor mechanisms 6;

the bottom of the fixed hinged seat 16 and the bottom of the sliding rail 19 which are positioned at the bottom are provided with a mounting plate 20, the mounting plate 20 is provided with a plurality of mounting holes 21, and the supporting plate 2 is provided with a plurality of fan-shaped holes 22 which are concentric with the supporting plate 2 and are arranged in a staggered manner.

The utility model discloses a theory of operation does:

the stage is integrally fixed on a performance place through a mounting hole 21 of a mounting plate 20, when the stage ascends, a screw rod motor 12 fixed on a second shaft body 10 drives a screw rod 11 to rotate, so that the screw rod 11 is matched with a ball nut 14 through opposite spiral threads 13, the rotation is changed into linear motion, and a first shaft body 7 of two scissor mechanisms 6 is driven to move towards two sides of a rotating motor 3;

the first scissor plate 8 and the second scissor plate 9 of the first scissor unit 61 and the second scissor unit 62 deflect around the first shaft body 7 and the second shaft body 10, the second scissor unit 62 and the third scissor unit 63 or the first scissor plate 8 and the second scissor plate 9 of the adjacent third scissor unit 63 deflect around the first shaft body 7 and the third shaft body 15, meanwhile, the fixed hinge base 16 is partially fixed, the movable hinge base 17 slides in a translation manner on the slide rail 19, the third shaft body 15 positioned at the same side of the movable hinge base 17 slides in a guide manner under the action of the guide rod 23, so that the movement and support stability are ensured, the two scissor mechanisms 6 synchronously move in opposite directions to integrally ascend, the support plates 2 are supported from two sides, the support center is always collinear with the rotation center, and the stable and shake-free ascending of the stage plate 1 is realized;

when the stage plate 1 descends, the lead screw motor 12 reversely rotates, the scissor mechanism 6 reversely executes action, the stage plate 1 contracts and descends on the scissor mechanism 6, two guide rods 23 are adopted to enable guide movement to be more stable, meanwhile, the position ring 24 gives way for the rotary motor 3, the longitudinal size of the stage when descending is convenient to reduce, the support center is always collinear with the rotation center, the stage plate 1 descends stably and without shaking, the strength of the support plate 2 is ensured by the fan-shaped holes 22 which are concentric with the support plate 2 and are arranged in a staggered mode, the support plate 2 is linked with the bottom scissor mechanism 6 through the connecting plate 18, and meanwhile, the weight of the support plate 2 can be reduced, so that energy consumption is reduced;

when the stage board 1 rotates, the motor shaft through the rotating electrical machine 3 drives the stage board 1 to rotate relative to the supporting plate 2, the rotating shaft and the supporting stability are guaranteed under the action of the turntable bearing 5, the screw rod motor 12 of the rotating electrical machine 3 is controlled respectively to realize synchronous or asynchronous execution of rotation and lifting, various lifting and rotating stage display requirements are met, and the performance form is enriched.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A rotatable and liftable stage comprises a stage plate and a support plate at the bottom of the stage plate, wherein a rotating mechanism is arranged between the stage plate and the support plate, and a lifting mechanism is arranged at the bottom of the support plate;

2. A stage according to claim 1, wherein the rotating mechanism is a rotating motor coupled to the support plate, a motor shaft of the rotating motor is coupled to the stage plate, and a turntable bearing is disposed between the stage plate and the support plate.

3. A rotatable and liftable stage according to claim 2, wherein a third shaft is disposed between the first scissor plate and the second scissor plate of the second scissor unit and the third scissor unit or the adjacent third scissor unit, and a guide rod vertically passing through is disposed between the third shafts of the two scissor mechanisms.

4. A rotatable and liftable stage according to claim 3, wherein the number of the guide rods is two, and a position-giving ring corresponding to the position of the rotating motor is arranged between the two guide rods.

5. A rotatable and liftable stage according to claim 1, wherein the fixed hinge base and the bottom of the slide rail at the bottom are provided with mounting plates, and the mounting plates are provided with a plurality of mounting holes.

6. A stage according to any one of claims 1-5, wherein the support plate is provided with a plurality of fan-shaped holes concentric with and offset from the support plate.