CN215671364U

CN215671364U - Stage system and overturning platform for performance

Info

Publication number: CN215671364U
Application number: CN202122311188.XU
Authority: CN
Inventors: 梅咏; 杨宗良
Original assignee: Rongle Times Beijing Creative Design Co ltd
Current assignee: Rongle Times Beijing Creative Design Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-01-28
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses a stage system and a turnover platform for performance, wherein the turnover platform comprises: the platform comprises a platform body, wherein a rotating shaft is rotatably arranged on a first side of the platform body; the driving device is arranged on the lower side of the platform body and can drive the platform body to rotate around the rotating shaft; and the locking device is connected with the second side of the platform body, can prevent the platform body from rotating around the rotating shaft when being locked, and can rotate around the rotating shaft when being unlocked. The structural design of the turnover platform for performing can improve the performance effect.

Description

Stage system and overturning platform for performance

Technical Field

The utility model relates to the technical field of performance equipment, in particular to a stage system and a turnover platform for performance.

Background

In the process of performance, actors and props are often required to enter midway, and in the prior art, the actors and the props generally enter from the side of a stage, so that the performance effect is often influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above, a first object of the present invention is to provide a turning platform for performance, which is structurally designed to improve performance, and a second object of the present invention is to provide a stage system including the turning platform for performance.

In order to achieve the first object, the utility model provides the following technical scheme:

a reversible platform for performing, comprising:

the platform comprises a platform body, wherein a rotating shaft is rotatably arranged on a first side of the platform body;

the driving device is arranged on the lower side of the platform body and can drive the platform body to rotate around the rotating shaft;

and the locking device is connected with the second side of the platform body, can prevent the platform body from rotating around the rotating shaft when being locked, and can rotate around the rotating shaft when being unlocked.

Preferably, in the above turning platform for performing, the driving device includes a winding drum, a first driving member for driving the winding drum to rotate, a pulling rope wound around the winding drum, and a reversing pulley, and one end of the pulling rope is connected to the lower side of the platform body;

when the first driving piece drives the winding drum to rotate so as to unreel the traction rope, the traction rope drives the side of the platform body opposite to the first side of the platform body to descend; the first driving piece drives the winding drum to rotate reversely so as to wind the traction rope, and the traction rope drives the side of the platform body opposite to the first side of the platform body to rise.

Preferably, in the above turning platform for performing, the driving device includes a scissor support, a second driving element and a top rod, the scissor support includes a first hinged rod and a second hinged rod, the first end of the second hinged rod is hinged to the platform body; the second end of ejector pin with the second hinge bar middle part is articulated, the first end of ejector pin with the second driving piece is articulated, the drive of second driving piece the first end of ejector pin is close to or keeps away from the first end of first hinge bar is in order to realize the avris of platform body relative rather than first side goes up and down.

Preferably, in the above turning platform for performing, the locking device comprises a lock shoe and a latch arranged at the lower side of the platform body, and the latch slides to be inserted into or disengaged from the lock shoe;

the locking device also comprises a third driving piece for driving the bolt to slide;

the locking device also includes a deadbolt sensor for detecting the deadbolt position.

Preferably, the turning platform for performing further comprises a guide device, a guide part is connected to the lower side of the platform body, a guide track matched with the guide part is arranged on the guide device, and the guide part moves along the guide track when the platform body rotates around the rotating shaft.

Preferably, in the above turning platform for performing, the guide device includes at least one guide support seat disposed on a lower side of the platform body, the guide track is a guide hole opened on the guide support seat, and the guide member slides along the guide hole when the platform body rotates around the rotating shaft; alternatively, the first and second electrodes may be,

the guide device comprises at least one guide supporting seat arranged on the lower side of the platform body, the guide track is a guide groove formed in the guide supporting seat, the guide piece is a roller wheel, and the platform body rotates around the rotating shaft, so that the guide piece rolls along the guide groove.

Preferably, the turning platform for performing further comprises a buffering ramp, and the side of the platform body opposite to the first side of the platform body is butted with the buffering ramp when the side descends to the lowest point.

Preferably, in the above-mentioned turnover platform for performing, at least one side of the platform body is provided with a safety contact edge, and when the safety contact edge is triggered, the driving device stops driving the platform body to rotate around the rotating shaft.

Preferably, the turning platform for performing further comprises a controller and a position sensor in communication connection with the controller, wherein the position sensor is used for detecting the position of the platform body;

the position sensor is a coding sensor or a stay wire coder.

A stage comprising a reversible platform for performing as claimed in any one of the above.

The utility model provides a turnover platform for performing. Wherein, the first side of platform body is connected with the pivot. Specifically, the first side of the platform body can be rotatably connected with the rotating shaft, or the first side of the platform body can be fixedly connected with the rotating shaft. The platform body is hinged with other fixed parts of the building or the stage through the rotating shaft, so that the platform body can rotate relative to the fixed parts of the building or the stage.

The driving device is arranged at the lower side of the platform body. The driving device can drive the platform body to rotate around the rotating shaft. Specifically, drive arrangement can drive the platform body and rotate, finally realizes the upset of platform body.

The locking device is connected with the second side of the platform body, and the first side and the second side of the platform body can be opposite or adjacent to each other. When the locking device is locked, the platform body can be prevented from rotating around the rotating shaft, and when the locking device is unlocked, the platform body can rotate around the rotating shaft.

When the turning platform for performance provided by the embodiment is applied, when an actor or a prop needs to enter the stage midway, the locking device is started, the driving device is utilized to drive the platform body to rotate, so that the turning of the platform body is inclined to the side of the platform body opposite to the first side of the platform body and is reduced to the track bearing surface or the actor standing vertical surface, the platform body forms a ramp, and the actor and the prop can enter and exit the stage from the next layer through the inclined platform body. After the actors and the props come in and go out, the driving device drives the platform body to rotate reversely, so that the platform body is turned over to be flush with the stage, then the locking device is locked, and the stage surface is restored to be a complete plane.

Therefore, the overturning platform provided by the utility model can be used for indoor and outdoor theatre performances and the like, the stage performance type is innovated, and the performance effect is effectively improved.

In order to achieve the second object, the utility model also provides a stage, which comprises any one of the turning platforms for performance. Since the above-mentioned turning platform for performance has the above-mentioned technical effects, the stage having the turning platform for performance should also have corresponding technical effects.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a turning platform for performing in a horizontal state according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of the turning platform for performing in an inclined state according to the embodiment of the utility model;

FIG. 3 is a top plan view of a reversible platform for performing provided by an embodiment of the present invention with the panel removed;

FIG. 4 is a side view of a reversible platform for performing according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a turning platform for performing in a horizontal state according to another embodiment of the present invention;

fig. 6 is a schematic structural view of a turning platform for performing in an inclined state according to another embodiment of the utility model.

In the figure:

1-bolt, 2-reversing pulley, 3-platform body, 4-rotating shaft, 5-hauling rope, 6-winding drum, 7-guiding support seat, 8-buffering ramp, 9-controller, 10-safe contact edge, 11-bridging, 12-second driving piece and 13-ejector rod.

Detailed Description

The first purpose of the present invention is to provide a turning platform for performance, the structural design of which can improve the performance effect, and the second purpose of the present invention is to provide a stage system comprising the turning platform for performance.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left" and "right", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the positions or elements referred to must have specific orientations, be constructed in specific orientations, and be operated, and thus are not to be construed as limitations of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 6, the turning platform for performance provided by the present invention comprises a platform body 3, a driving device and a locking device. Wherein, the first side of platform body 3 is connected with pivot 4. Specifically, the first side of the platform body 3 may be rotatably connected to the rotating shaft 4, or the first side of the platform body 3 may be fixedly connected to the rotating shaft 4. The platform body 3 is hinged with other fixed parts of the building or the stage through the rotating shaft 4, so that the platform body 3 can rotate relative to the fixed parts of the building or the stage.

The driving device is disposed at the lower side of the platform body 3. The driving device can drive the platform body 3 to rotate the platform body 3 around the rotating shaft 4. Specifically, the driving device can drive the platform body 3 to rotate, and finally the platform body 3 is turned over.

The locking means is connected to the second side of the platform body 3, and the first side and the second side of the platform body 3 may be arranged opposite or adjacent to each other. When the locking device is locked, the platform body 3 can be prevented from rotating around the rotating shaft 4, and when the locking device is unlocked, the platform body 3 can rotate around the rotating shaft 4.

When the turning platform for performance provided by the embodiment is applied, when an actor or a prop needs to enter the stage midway, the locking device is opened, the driving device is utilized to drive the platform body 3 to rotate, so that the turning of the platform body 3 is inclined to the side of the platform body 3 opposite to the first side of the platform body and is reduced to the stage with a bearing surface or an actor standing vertical surface, the platform body 3 forms a ramp, and the actor and the prop can enter and exit the stage from the next layer through the inclined platform body 3. After the actors and the props come in and go out, the driving device drives the platform body 3 to rotate reversely, so that the platform body 3 is turned over to be flush with the stage, then the locking device is locked, and the stage surface is restored to be a complete plane.

Platform body 3 includes shaped steel welded structure and the surface course of laying at shaped steel welded structure upper surface, and the surface course chooses for use wooden performance floor or rubber performance floor according to the application.

In a particular embodiment, as shown in fig. 1-3, the drive means comprises a reel 6, a first drive element, a traction rope 5 and a diverting pulley 2. Wherein, first driving piece can drive reel 6 and rotate, and first driving piece can be motor, revolving cylinder, hoist engine etc.. The haulage rope 5 twines on reel 6, and reel 6 rotates and can drive the rolling or unreel of haulage rope 5. One end of the hauling cable 5 is connected with the lower side of the platform body 3. Specifically, one end of the hauling cable 5 and the lower side of the platform body 3 can be fixedly connected, hooked or clamped. The traction ropes 5 are passed around the diverting pulley 2 to effect steering of the traction ropes 5.

When the first driving piece drives the winding drum 6 to rotate so as to realize unreeling the traction rope 5, the traction rope 5 drives the side of the platform body 3 opposite to the first side to descend, and the platform body 3 is overturned and inclined. When the first driving piece drives the winding drum 6 to reversely rotate so as to wind the traction rope 5, the side opposite to the first side of the platform body 3 is driven to rise, and the platform body 3 and the stage are parallel and level.

In another embodiment, as shown in fig. 5-6, the drive means comprises a scissor-brace 11, a second drive member 12 and a ram 13. The cross brace 11 comprises a first hinge rod and a second hinge rod which are hinged, and the second end of the first hinge rod and the first end of the second hinge rod are hinged with each other. The second end of the second hinge lever is hinged to the platform body 3. The first end of the first hinge rod is hinged with the prop bearing surface, the ground under the platform body 3 or the second driving piece 12.

The second end of the top rod 13 is hinged with the middle part of the second hinge rod, and the first end of the top rod 13 is hinged with the telescopic end of the second driving piece 12. Specifically, the second driving element 12 drives the first end of the top rod 13 to approach or depart from the first end of the first hinge rod so as to realize the side elevation of the platform body 3 opposite to the first side thereof.

Specifically, when the first end of the ejector rod 13 is driven by the second driving part 12 to be far away from the first end of the first hinge rod, the second end of the ejector rod 13 pulls the second hinge rod to do closing motion relative to the first hinge rod, the second end of the second hinge rod gradually approaches to the first end of the first hinge rod, and then the first end of the second hinge rod drives the second end of the first hinge rod hinged to the second end of the second hinge rod to gradually reduce and close to the platform body to provide a space for the operation of the platform body, and then the second end of the second hinge rod drives the platform body 3 to turn downwards.

When the first end that second driving piece 12 drove ejector pin 13 was close to the first end of first hinge bar, the second end of ejector pin 13 promoted the second hinge bar and is opened the motion relatively first hinge bar, the first end of first hinge bar is kept away from gradually to the second end of second hinge bar, and then the first end of second hinge bar drives the second end of rather than articulated first hinge bar and risees gradually, and then second hinge bar second end promotes platform body 3 and upwards overturns, and then platform body 3 resumes to with the stage parallel and level.

The driving device comprises an X-shaped lifting frame 11, a second driving piece 12 and a top rod 13. The X-shaped lifting frame 11 comprises a first hinged rod and a second hinged rod which are hinged, and the first hinged rod and the second hinged rod are arranged in a crossed mode and are hinged to each other. Set up the bar hole along its length direction on the first articulated rod, the articulated shaft of first articulated rod and second articulated rod can slide along the bar hole. In other words, the hinge shafts of the first hinge lever and the second hinge lever can slide in the length direction of the first hinge lever, and the hinge shafts of the first hinge lever and the second hinge lever cannot move in the length direction of the second hinge lever.

The first end of ejector rod 13 is articulated with second hinge rod top, and the second end of ejector rod 13 is articulated with platform body 3, and the middle part of ejector rod 13 is articulated with first hinge rod top. Specifically, the second end of the jack 13 is hinged to the underside of the platform body 3. The second driving element 12 drives the bottom end of the first hinge rod to be close to or far away from the bottom end of the second hinge rod so as to lift the side of the platform body 3 opposite to the first side of the platform body.

Specifically, when the bottom of first hinge bar was kept away from to the bottom that second driving piece 12 drove the second hinge bar, the articulated shaft of first hinge bar and second hinge bar can slide along the top of bar hole orientation first hinge bar, and the top of first hinge bar reduces gradually to being less than the top of second hinge bar, and then the middle part of ejector pin 13 is less than the first end of ejector pin 13, so that the second end of ejector pin 13 is less than the first end of ejector pin 13, ejector pin 13 slopes, and then ejector pin 13 drives the upset of platform body 3.

When the bottom that second driving piece 12 drove the second hinge bar was close to the bottom of first hinge bar, the articulated shaft of first hinge bar and second hinge bar can slide along the bar hole to the direction that deviates from the top of first hinge bar, and the top of first hinge bar risees gradually to being higher than the top of second hinge bar, and then the middle part of ejector pin 13 is higher than the first end of ejector pin 13, so that the second end of ejector pin 13 is higher than the first end of

ejector pin

13, 13 reverse inclinations of ejector pin, and then ejector pin 13 drives platform body 3 and resumes to the parallel and level with the stage.

The second driving member 12 may be a telescopic cylinder, a linear motor, a screw rod, etc., and is not limited herein.

The number of the driving devices is plural, and the plural driving devices are arranged in a direction perpendicular to the rotating shaft 4.

Of course, the driving device may also be a plurality of telescopic cylinders, and is not limited herein.

Optionally, the locking means comprises a lock shoe and a latch 1 provided on the underside of the platform body 3, the latch 1 sliding to be inserted into or disengaged from the lock shoe. The locking shoe may be fixed to a building or the locking shoe may be fixed to a stage. Bolt 1 slides to inserting behind the lock boots, realizes the fixed connection of platform body 3 and building or stage, and platform body 3 can not overturn this moment to guarantee performance safety. Bolt 1 slides to breaking away from behind the lock boots, realizes the separation of platform body 3 and building or stage, and platform body 3 can overturn this moment.

In order to reduce the labor intensity of workers, the locking device also comprises a third driving piece for driving the bolt 1 to slide. The third driving piece drives the bolt 1 to slide so as to realize the locking or unlocking of the locking device. The third driving member may be a telescopic cylinder, a linear motor, a screw rod, etc., and is not limited herein.

The locking device further comprises a bolt sensor for detecting the position of the bolt 1, the position of the bolt 1 is detected through the bolt sensor so as to judge the state of the locking device, and the action of the third driving piece is controlled according to the state of the locking device. The bolt sensor can be embodied as a travel switch, and the travel switch is arranged beside the position of the bolt 1 and can detect whether the bolt 1 extends to the right position or retracts to the right position.

In order to ensure that the platform body 3 can be stably turned, the turning platform for performing also comprises a guide device, the lower side of the platform body 3 is connected with a guide piece, a guide track matched with the guide piece is arranged on the guide device, and the guide piece moves along the guide track when the platform body 3 rotates around the rotating shaft 4. The guiding device can be fixed on the prop bearing surface or the wall surface on the lower side of the platform body 3. So set up, have the guide rail to the guide effect of guide, unstability dislocation when can preventing platform body 3 from rotating around pivot 4.

In one embodiment, the guiding device comprises at least one guiding support 7 disposed on the lower side of the platform body 3, the guiding track is a guiding hole opened on the guiding support 7, and the guiding element slides along the guiding hole when the platform body 3 rotates around the rotating shaft 4. The number of the guide supporting seats 7 and the number of the guide pieces can be two and are in one-to-one correspondence. The guiding hole can be an arc-shaped hole, and the guiding piece can be T-shaped and the like. The guide is fixedly connected with the platform body 3.

In another embodiment, the guiding device comprises at least one guiding support 7 disposed on the lower side of the platform body 3, the guiding track is a guiding groove opened on the guiding support 7, the guiding element is a roller, and the guiding element rolls along the guiding groove when the platform body 3 rotates around the rotating shaft 4. The roller is rotatably connected with the platform body 3. The number of the guide supporting seats 7 and the number of the guide pieces can be two and are in one-to-one correspondence.

Of course, the guiding device may have other structures, and is not limited herein.

After the platform body 3 is turned in place, in order to facilitate the prop or the actor to get on or off the platform body 3, the platform body 3 further comprises a buffer ramp 8, and the side of the platform body 3 opposite to the first side of the platform body is butted with the buffer ramp 8 when the side descends to the lowest point. The buffer ramp 8 may be fixed on the prop bearing surface or on the ground under the platform body 3.

In order to prevent the risk of extrusion or shearing, at least one side of the platform body 3 is provided with a safety contact edge 10, and when the safety contact edge 10 is triggered, the driving device stops driving the platform body 3 to rotate around the rotating shaft 4. Safe edge 10 that touches is installed and is sheared the edge of risk occasionally in the equipment operation, when taking place shearing, extrusion accident when equipment operation on above-mentioned position, the safe edge 10 that touches of relevant position will be triggered, and equipment will scram to avoid shearing, extrusion accident to take place, avoid personnel's injury and property loss. Preferably, the safety touch edge 10 is a rubber safety touch edge 10. The safety catch 10 may be mounted on the side of the platform body 3 opposite to the first side thereof.

In order to reduce the labor intensity, the turning platform for performing also comprises a controller 9 and a position sensor in communication connection with the controller 9, the position sensor being used for detecting the position of the platform body 3. The position sensor sends the detected position information to the controller 9, and the controller 9 obtains the position of the platform body 3 according to the received position information.

The position sensor is a coding sensor or a stay wire coder.

The bolt sensor can also be in communication connection with the controller 9, the bolt sensor detects the position information of the bolt 1 and then sends the position information to the controller 9, and the controller 9 obtains the state of the bolt 1 according to the position information of the bolt 1.

The overturning platform for performing can be further provided with reserved interfaces for installing special effect equipment such as lighting equipment and the like. The number of the reserved interfaces is multiple, so that interactive cooperation of performance, special effects and lamplight is realized.

Based on the turning platform for performance provided in the above embodiments, the utility model further provides a stage, which includes any one of the turning platforms for performance provided in the above embodiments. Since the stage adopts the turning platform for performing in the above embodiments, please refer to the above embodiments for the effect of the stage.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Claims

1. A reversible platform for performing, comprising:

the platform comprises a platform body (3), wherein a rotating shaft (4) is rotatably arranged on the first side of the platform body (3);

the driving device is arranged on the lower side of the platform body (3) and can drive the platform body (3) to enable the platform body (3) to rotate around the rotating shaft (4);

and the locking device is connected with the second side of the platform body (3), can prevent the platform body (3) from rotating around the rotating shaft (4) when being locked, and can rotate around the rotating shaft (4) when being unlocked.

2. A turn-over platform for performances according to claim 1, characterized in that said driving means comprise a reel (6), a first driving member driving said reel (6) to rotate, a traction rope (5) wound on said reel (6) and a reversing pulley (2), one end of said traction rope (5) being connected with the lower side of said platform body (3);

when the first driving piece drives the winding drum (6) to rotate so as to unreel the traction rope (5), the traction rope (5) drives the side of the platform body (3) opposite to the first side of the platform body to descend; the first driving piece drives the winding drum (6) to rotate reversely so as to wind the traction rope (5), and the traction rope (5) drives the side of the platform body (3) opposite to the first side to lift.

3. A turn-over platform for performances according to claim 1, characterized in that said driving means comprise a scissor-brace (11), a second driving member (12) and a top bar (13), said scissor-brace (11) comprising a first and a second articulated bar hinged, at a second end, to said platform body (3); the second end of ejector pin (13) with second articulated rod middle part is articulated, the first end of ejector pin (13) with second driving piece (12) are articulated, second driving piece (12) drive the first end of ejector pin (13) is close to or keeps away from the first end of first articulated rod is in order to realize the avris of platform body (3) relative rather than the first side goes up and down.

4. A turn-over platform for performances according to claim 1, characterized in that said locking means comprise a locking shoe and a plug (1) arranged on the underside of said platform body (3), said plug (1) sliding to be inserted or disengaged into said locking shoe;

the locking device also comprises a third driving piece for driving the bolt (1) to slide;

the locking device further comprises a bolt sensor for detecting the position of the bolt (1).

5. The turning platform for performing as claimed in claim 1, further comprising a guiding device, wherein a guiding member is connected to the lower side of the platform body (3), a guiding track matched with the guiding member is arranged on the guiding device, and the guiding member moves along the guiding track when the platform body (3) rotates around the rotating shaft (4).

6. A turn-over platform for performing according to claim 5, wherein the guiding means comprises at least one guiding support (7) arranged on the underside of the platform body (3), the guiding track is a guiding hole opened on the guiding support (7), the guiding element slides along the guiding hole when the platform body (3) rotates around the rotating shaft (4); alternatively, the first and second electrodes may be,

the guide device comprises at least one guide supporting seat (7) arranged on the lower side of the platform body (3), the guide rail is a guide groove formed in the guide supporting seat (7), the guide piece is a roller wheel, and the guide piece rolls along the guide groove when the rotating shaft (4) rotates in the platform body (3).

7. A turn-over platform for performing according to claim 1, further comprising a cushioning ramp (8), the side of the platform body (3) opposite its first side bottoming out against the cushioning ramp (8).

8. A turn-over platform for performances according to claim 1, characterized in that at least one side of said platform body (3) is provided with a safety edge (10), said driving means stopping the rotation of said platform body (3) around said rotation axis (4) when said safety edge (10) is triggered.

9. The turn-over platform for performing according to claim 1, further comprising a controller (9) and a position sensor communicatively connected to the controller (9) for detecting the platform body (3) position;

the position sensor is a coding sensor or a stay wire coder.

10. A stage comprising a turning platform for performing as claimed in any one of claims 1-9.