阅读说明：本技术 一种舞台折叠台口 (Stage folding table mouth ) 是由 何晓新 徐慧文 张昭 赵利珍 姜丁瑞 徐欣 方慧丽 鲁维威 于 2020-06-01 设计创作，主要内容包括：本发明公开了一种舞台折叠台口,它包括立架,所述立架上设有用于与舞台上的表演区相对应的台口,所述立架上位于台口的上方设有飞檐幕,所述立架上设有用于驱动飞檐幕的提升机构,所述提升机构驱使所述飞檐幕沿台口的高度方向朝下展开至遮挡台口或沿台口的高度方向收折至避让台口下方的空间。本发明提供一种舞台折叠台口,通过设置飞檐幕不仅可以使得假台口上形成飞檐台口的造型,而且通过飞檐幕的升降可以形成动态的变化,适应不同舞台场景的表演,另外飞檐幕朝下展开直至完全遮挡台口还可以当做台口的封闭阻隔,同时飞檐幕朝下完全平展后也便于非舞台表演时的运输和存放,由此假台口灵活可调满足多种舞台场景的使用。(The invention discloses a stage folding platform opening, which comprises a vertical frame, wherein a platform opening used for corresponding to a performance area on a stage is arranged on the vertical frame, an eave curtain is arranged above the platform opening on the vertical frame, a lifting mechanism used for driving the eave curtain is arranged on the vertical frame, and the lifting mechanism drives the eave curtain to downwards expand along the height direction of the platform opening to cover the platform opening or fold along the height direction of the platform opening to a space below the avoided platform opening. The invention provides a stage folding platform opening, which can form the modeling of the cornice platform opening on the platform opening by arranging the cornice curtain, can form dynamic change by the lifting of the cornice curtain, is suitable for the performance of different stage scenes, can be used as the closed separation of the platform opening when the cornice curtain is unfolded downwards until the platform opening is completely shielded, and is convenient to transport and store during non-stage performance after the cornice curtain is completely unfolded downwards, so that the platform opening can be flexibly adjusted to meet the use of various stage scenes.)

1. The utility model provides a stage folding stage mouth, it includes grudging post (100), be equipped with on grudging post (100) and be used for with the corresponding stage mouth (100-1) of performance district on the stage, its characterized in that: the cornice curtain is characterized in that a cornice curtain (200) is arranged above a platform opening (100-1) on the vertical frame (100), a lifting mechanism (300) used for driving the cornice curtain (200) is arranged on the vertical frame (100), and the cornice curtain (200) is driven by the lifting mechanism (300) to be downwards unfolded to the shielding platform opening (100-1) along the height direction of the platform opening (100-1) or folded to the space below the avoiding platform opening (100-1) along the height direction of the platform opening (100-1).

2. A stage folding stage mouth as claimed in claim 1, wherein: the cornice curtain (200) comprises an upper cross beam (201), a lower cross beam (202) which is arranged below the upper cross beam (201) and is parallel to the upper cross beam (201), and a plurality of vertical baffle components (203) which are arranged between the upper cross beam (201) and the lower cross beam (202), wherein all the vertical baffle components (203) are sequentially arranged along the width direction of the platform opening;

the vertical gear component (203) comprises an upper vertical gear (2031) and a lower vertical gear (2032), the upper end of the upper vertical gear (2031) is hinged with the upper beam (201), the lower end of the upper vertical gear (2031) is hinged with the upper end of the lower vertical gear (2032), the lower end of the lower vertical gear (2032) is hinged with the lower beam (202), and the sum of the lengths of the upper vertical gear (2031) and the lower vertical gear (2032) of each vertical gear component (203) is equal;

the upper cross beam (201) is fixedly connected with the stand (100), and the lifting mechanism (300) is connected with the lower cross beam (202) so that the lower cross beam (202) can lift along the height direction of the platform opening (100-1).

3. A stage folding stage mouth as claimed in claim 2, wherein: the length of each upper vertical rail (2031) in all the vertical rail assemblies (203) decreases from the middle position to the two side positions in sequence along the width direction of the table opening (100-1).

4. A stage folding stage mouth as claimed in claim 2, wherein: the lifting mechanism (300) comprises an electrically-driven winch and a strip-shaped inhaul cable, the lower end of the inhaul cable is connected with the lower cross beam, the upper end of the inhaul cable is wound on the winch and is connected with the winch, and the winch drives the lower cross beam to lift through the inhaul cable.

5. A stage folding stage mouth as claimed in claim 2, wherein: lifting mechanism (300) is including promoting driving motor (301) and annular chain (302), be equipped with drive sprocket (303) and driven sprocket (304) on grudging post (100), drive sprocket (303) and driven sprocket (304) are located the top and the below of bottom end rail (202) respectively, the both ends of chain (302) are respectively around on drive sprocket (303) and driven sprocket (304), bottom end rail (202) and chain (302) fixed connection, the output shaft that promotes driving motor (301) links to each other with drive sprocket (303).

6. A stage folding stage mouth as claimed in claim 5, wherein: promote driving motor (301) for having the driving motor of two output shafts, chain (302) are two, and two chain (302) are located eaves curtain (200) respectively along the both sides of platform mouth width direction, and two chain (302) link to each other with drive sprocket (303) that correspond separately, and two drive sprocket (303) link to each other with two output shafts that promote driving motor (301) respectively.

7. A stage folding stage mouth as claimed in any one of claims 1 to 6, wherein: the stage eave curtain is characterized in that the vertical frame (100) comprises a top plate (101) and at least two side plates (102), the upper end of each side plate (102) is connected with the top plate (101), a platform opening (100-1) is formed between every two adjacent side plates (102), rollers (400) are arranged at the bottom of each side plate (102), a walking mechanism (600) which is movably matched with a truss (500) at the top of the stage is arranged on the top plate (101), and the walking mechanism (600) drives the vertical frame (100) to move together with the eave curtain (200) on the vertical frame (100).

8. A stage folding stage mouth as claimed in any one of claims 1 to 6, wherein: the platform opening sliding sheet (700) capable of translating along the width direction of the platform opening (100-1) is arranged on the vertical frame (100), and along with the movement of the platform opening sliding sheet (700), the part of the platform opening sliding sheet (700) extends into the platform opening (100-1) or is reset to be hidden on the vertical frame (100).

9. A stage folding stage mouth as claimed in claim 8, wherein: the number of the platform opening slide sheets (700) is two, and the two platform opening slide sheets (700) are respectively positioned on two sides of the platform opening (100-1) in the width direction.

10. A stage folding stage mouth as claimed in any one of claims 1 to 6, wherein: a winding drum curtain (800) is arranged on the vertical frame (100) and is positioned at the upper part of the platform opening (100-1) and behind the cornice curtain (200) along the depth direction of the platform opening (100-1), and the winding drum curtain (800) and the cornice curtain (200) are arranged at intervals;

reel curtain (800) include curtain (801), spool (802) and reel motor and constitute, curtain (801) are convoluteed outside spool (802), spool (802) and grudging post (100) normal running fit, and the reel motor links to each other with grudging post (100) is fixed, just the reel motor orders about spool (802) to rotate, so that curtain (801) response spool (802) forward rotation to expand downwards or response spool (802) reversal to roll up the roll-up.

Technical Field

The invention relates to the technical field of stage performance equipment, in particular to a stage folding table mouth.

Background

The false platform opening is equipment for installing stage lighting facilities commonly used in theaters, and the false platform opening mainly has the functions of installing lamps on the inner side of the platform opening and adjusting the size of the performance platform opening so as to meet the performance requirements of different theaters. The false table mouth can be divided into a fixed type and a movable type according to the installation form, the fixed type is usually used for small theaters, and the movable type is mostly used for large and medium theaters to adjust the size of the table mouth.

The application range of the existing movable false platform opening is restricted by multiple factors due to the requirements on building space and the complexity of the structure of the false platform opening. At present, a movable false table mouth which has a simple structure and can perform multi-dimensional adjustment on the false table mouth is not seen in the industry, so that the application occasions are wider.

In addition, the existing false platform opening has a single shape and cannot meet the use requirements of different stage scenes.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art: the stage folding platform opening is flexible and adjustable in false platform opening and simple in structure, and therefore the use of various stage scenes is met.

Therefore, an object of the present invention is to provide a stage false mouth, which includes a vertical frame, wherein the vertical frame is provided with a mouth corresponding to a performance area on a stage, and the stage false mouth is characterized in that: the cornice curtain is arranged above the platform opening on the vertical frame, a lifting mechanism used for driving the cornice curtain is arranged on the vertical frame, and the lifting mechanism drives the cornice curtain to be downwards unfolded along the height direction of the platform opening to the position where the platform opening is shielded or folded along the height direction of the platform opening to the position where the lower part of the platform opening is avoided. Through setting up the modeling that the eaves curtain not only can form the eaves platform mouth on the false platform mouth, can form dynamic change through the lift of eaves curtain moreover, the performance of adaptation different stage scenes, the eaves curtain expandes downwards in addition and can also be as the sealed separation of platform mouth until sheltering from the platform mouth completely, and the transportation when also being convenient for non-stage performance is deposited after the eaves curtain is flat and flat down completely simultaneously.

According to one example of the invention, the cornice curtain comprises an upper cross beam, a lower cross beam which is arranged below the upper cross beam and is parallel to the upper cross beam, and a plurality of vertical baffle assemblies which are arranged between the upper cross beam and the lower cross beam, wherein all the vertical baffle assemblies are sequentially arranged along the horizontal direction;

the vertical gear components comprise upper vertical gears and lower vertical gears, the upper ends of the upper vertical gears are hinged with the upper cross beam, the lower ends of the upper vertical gears are hinged with the upper ends of the lower vertical gears, the lower ends of the lower vertical gears are hinged with the lower cross beam, and the sum of the lengths of the upper vertical gears and the lower vertical gears of the vertical gear components is equal;

the upper cross beam is fixedly connected with the vertical frame, and the lifting mechanism is connected with the lower cross beam so that the lower cross beam can lift along the height direction of the platform opening. Through the structural design of this cornice curtain, can accomplish figurative change through the lift of bottom end rail, consequently make overall structure simple on the basis of the molding change demand that satisfies the cornice curtain.

Preferably, the length of the upper vertical rail in all the vertical rail assemblies decreases from the middle position to the two side positions in sequence along the width direction of the platform opening.

Preferably, the lifting mechanism comprises a winch driven by a motor and a strip-shaped inhaul cable, the lower end of the inhaul cable is connected with the lower cross beam, the upper end of the inhaul cable is wound on the winch and connected with the winch, and the winch drives the lower cross beam to lift through the inhaul cable. The electric capstan drives the winding and unwinding of the stay cable to realize the lifting of the lower cross beam connected with the stay cable, the mode has the advantages of few required parts, simple structure and convenience in arrangement on the stage.

Preferably, the lifting mechanism comprises a lifting driving motor and an annular chain, a driving chain wheel and a driven chain wheel are respectively arranged above and below the lower cross beam on the vertical frame, two ends of the chain are respectively wound on the driving chain wheel and the driven chain wheel, the lower cross beam is fixedly connected with the chain, and an output shaft of the lifting driving motor is connected with the driving chain wheel. Through annular chain setting, can realize the entablature and the demand of descending, simultaneously because the chain both ends are tight through the sprocket rises, consequently the rocking of entablature is little, in addition, this annular chain can make the entablature force down than ordinary cable, avoids owing to only rely on the entablature self gravity to bring down obstructed problem down.

Preferably, the lifting driving motor is one and is provided with two output shafts, the number of the chains is two, the two chains are respectively arranged on two sides of the cornice curtain along the width direction of the platform opening, the two chains are connected with the corresponding driving chain wheels, and the two driving chain wheels are respectively connected with the two output shafts of the lifting driving motor. The two ends of the lower beam are driven by the double-chain structure, the lifting process of the lower beam is more stable, and the lower beam is driven by the same driving motor, so that the synchronism is better.

According to one example of the invention, the vertical frame comprises a top plate and at least two side plates, the upper end of each side plate is connected with the top plate, a platform opening is formed between every two adjacent side plates, rollers are arranged at the bottoms of the side plates, a travelling mechanism which is movably matched with a truss on the top of the stage is arranged on the top plate, and the travelling mechanism drives the vertical frame and the cornice curtain on the vertical frame to move. Through the setting of gyro wheel and running gear, can realize the portable of whole false platform mouth, not only at stage installation or dismantle the installation and the removal of stage convenience false platform mouth, also can realize the removal of false platform mouth at the in-process of stage performance moreover to satisfy the different demands of stage performance different time quantums to false platform mouth position.

According to an example of the invention, the stand is provided with a platform opening slide sheet capable of translating along the width direction of the platform opening, and a part of the platform opening slide sheet extends into the platform opening or is reset to be hidden on the stand along with the movement of the platform opening slide sheet. The size of the width direction of the platform opening can be changed by arranging the platform opening sliding sheet.

Preferably, the number of the platform opening slide sheets is two, and the two platform opening slide sheets are respectively positioned on two sides of the platform opening in the width direction.

According to an example of the invention, a winding drum curtain is arranged on the stand at the upper part of the platform opening and behind the cornice curtain along the depth direction of the platform opening, and the winding drum curtain and the cornice curtain are arranged at intervals;

the reel curtain includes that curtain, spool and reel motor constitute, and the curtain is convoluteed outside the spool, spool and grudging post normal running fit, reel motor and grudging post are fixed continuous, just the spool motor orders about the spool and just reverses, so that the curtain responds spool corotation to launch down or responds the spool reversal to roll up the roll-up. The vision inside and outside the platform opening can be better realized through the addition of the winding drum curtain, and the winding drum curtain can be matched with the cornice curtain for use or used independently, so that the universality of the product is better.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

The technical scheme has the following advantages or beneficial effects: firstly, on the basis of traditional false platform mouth, add the cornice curtain that can adjust self molding in a flexible way, improve stage bandwagon effect, secondly, the cornice curtain can be launched completely downwards and be vertical flat state, this not only can realize closing of platform mouth on the stage is used, convenient collection and transportation under the non-stage performance condition moreover, its occupation space is little, finally, through the structural design to hoist mechanism and cornice curtain, make the required simple structure of the lift action of cornice curtain, reduce the manufacturing cost of whole false platform mouth.

Drawings

FIG. 1 is a schematic structural view of the false platform opening with the cornice curtain facing downwards to cover the platform opening.

Fig. 2 is a schematic structural view of the false table opening with the upward folded cornice curtain.

Fig. 3 is a partially enlarged view of the region "a" in fig. 1.

Fig. 4 is a partially enlarged view of the region "B" in fig. 1.

FIG. 5 is a schematic cross-sectional view taken in the direction "C-C" of FIG. 1.

Fig. 6 is a partially enlarged view of the region "D" in fig. 1.

Fig. 7 is a side view of fig. 2.

Fig. 8 is a partially enlarged view of the region "E" in fig. 7.

Fig. 9 is a schematic structural view of the cornice curtain of the present invention.

Wherein the content of the first and second substances,

100. a vertical frame 100-1, a platform opening 101, a top piece 102 and a side piece;

200. the eave curtain comprises a 201 upper beam, 202 lower beam, 203 vertical rail component, 2031 upper vertical rail, 2032 lower vertical rail;

300. the lifting mechanism 301 comprises a lifting driving motor 302, a chain 303, a driving chain wheel 304, a driven chain wheel 305 and a transmission shaft;

400. a roller;

500. a truss;

600. a traveling mechanism;

700. a platform opening slip sheet;

800. roll screen, 801, curtain, 802, reel.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

A stage folding stage mouth according to an embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

The height direction of the table top described hereinafter refers to the up-down direction of the paper in fig. 2; the width direction of the platform opening refers to the left and right direction of the paper surface in fig. 2; the depth direction of the mesa is the right-left direction of the paper in the side view of fig. 7.