CN2367695Y - Air-cushion moving telescopic stage sound cover - Google Patents

Abstract

The utility model relates to an air-cushion moving telescopic stage sound cover, which belongs to the stage apparatus. The air-cushion moving telescopic stage sound cover is composed of a sound cover main station, a first level sound cover, a second level sound cover and a six level sound cover which are arranged on the sound cover main station. The main station is the frame of steel girder structure, and is paved with a floor. The lower part of the main station is provided with an air supply pipeline and an air cushion. The first level sound cover is composed of a back resonance reflecting wall of a hollow structure, a left side and right side acoustic reflecting wall and a reflecting plate which is provided with a lighting lamp, and is the house shape of the front high and width and the back low and narrow. The second level sound cover is a door opening shape which is composed of a hollow side wall and an upper plate. Each level sound cover is sheathed with the front level sound cover. The utility model can do universal moving by the air cushion, and has the advantages of convenient assembly and small occupation land. The utility model is suitable for various occasions.

Description

Air cushion moving telescopic type stage sound cover

The utility model relates to stage equipment, relates in particular to the sound cover.

In large-scale opera house of modern times, all be the Mobyneb arenas, often be equipped with a cover and decorate the music reflection cover graceful, that the acoustic reflex effect is good, with the artistic effect of raising symphony performance and the acoustic mass of singing sow.This music reflection cover is made up of the last reflector plate of rigidity structure, the reflector plate of the left and right sides and the back reflection sheet at rear portion, and becomes low, the front wide and rear narrow room shape that does not have front wall in high back before; Stage illumination, lighting lamp and other optoacoustic equipment are housed, to satisfy the needs of performance on last reflector plate.Because this sound cover is wide 10 meters, preceding wide 18 meters, 12 meters of depth after, high 8 meters, the preceding high 12 meters huge monster in back, always weighs about 20 tons; So this sound cover all adopts the mode of lifting combination to be spliced into usually.When not using, last slice and rear panel all be lifted on flies, two lateral plates are lifted on flies or all are placed on the stage both sides; When using the sound cover, rear panel is hung down lower limb contacts to earth, with two lateral plates hang down divide stand in both sides and with two lateral plates and rear panel alignment, connect, fix with stage again, to hang the last top of overturning and being fixed on rear panel and two lateral plates under last slice, become comparatively low narrow, the comparatively high wide sound cover of front end in a rear portion.This sound cover has that the acoustic reflex performance is good, the advantages such as artistic effect of beautiful decoration and primary sound.But, the sound cover of this lifting splicing, only can be supporting in the stage overhead height is not less than 30 meters large-scale theater, not as the middle-size and small-size theater of 30 meters of stage overhead height less thaies then can't be equipped with this sound cover, so its range of application is narrower; In addition, the spliced sound cover of this lifting not only takies equipment such as flies space and suspension rod, has also strengthened the bearing load of stage building.Especially the lifting splicing bothers very much, needs the expensive time, influences the replacing of the directory and the linking of performance.

The purpose of this utility model is, a kind of design scheme and product of air cushion moving telescopic type stage sound cover of brand new are provided, make it to have entire combination, quick for installation, conveniently moving, do not account for the stage upper space and can reduce advantage such as stage building load, to satisfy the needs of large, medium and small type arenas, can reduce the cost of arenas building and sound cover simultaneously.

For achieving the above object, the utility model adopts following design scheme:

Air cushion moving telescopic type stage sound cover of the present utility model, it by rigidity master's platform of trussed construction, be fixed on one-level sound cover on the main platform and several secondary～six grade sound cover that is sleeved on the outside step by step, and air feed equipment constitute.Described rigidity master's platform, framework by the one-tenth trussed construction of a rectangle, be covered with the floor above, its bottom four limit interior annular pipelines and be provided with several positions air cushion slightly higher than support foot, the distribution density of air cushion is directly proportional with the Mass Distribution of main platform and upward load-bearing thereof, described one-level sound cover is surrounded by the left and right sides wall and the upper plate that are fixed on rear wall on the main platform and that interconnect, one-tenth minute surface symmetry, and is anterior high, wide, the preceding uncovered room shape that the rear portion is comparatively low, narrow; Described rear wall is that inside is provided with three-dimensional grid structure, and be fixed with the hollow, rectangular wall body of ornamental orchestra shell and backboard respectively in front and back, two sidewalls are the hollow cylinder that inside is provided with three-dimensional grid structure and is fixed with ornamental orchestra shell and backboard in front and back respectively about described one-tenth minute surface symmetry, its horizontal section is a right-angled triangle, also can be by two right-angle sides and comprise 1-2 section camber line and several sections other distortion that straight line surrounds, be provided with the electric consumption on lighting cable in the cylinder; Described top board is the inner hollow cylinder that three-dimensional grid structure is arranged and be fixed with backboard and ornamental orchestra shell thereon down respectively, its cross section is a right-angled triangle, also can be by two right-angle sides and comprise 1-2 section camber line and several sections other distortion that straight line surrounds, the top board surface is provided with some illuminating lamps, is provided with the electric consumption on lighting cable in the cylinder; The sound covers at different levels of described secondary-six grade connect by left and right sides wall and the top board that is provided with illuminating lamp and form, and become anterior high wide, and the rear portion is than low narrow door opening shape; All the olo than the two side that constitutes previous stage sound cover is big slightly to form the interior spacing of two side of sound covers at different levels, and the height of its two side is big than the two side height that constitutes previous stage sound cover also, high behind the top board of sound covers at different levels along highly all omiting than previous stage sound cover forward position height, all sound covers at different levels are nested with previous stage sound cover respectively and merge and can vertically do relative displacement along stage, the left and right sides sidewall and the top board of described formation sound covers at different levels, left and right sides sidewall and the top board with aforementioned one-level sound cover is identical respectively with cross sectional shape for its internal construction.

For making design scheme of the present utility model obtain profound understanding, as follows in conjunction with design enforcement and description of drawings thereof now:

Example 1. the design's sound cover is to move scalable sound cover (referring to Fig. 1-sound cover left part stereogram) by three grades of nested air cushions that one, two, three sound cover constitutes, the right and left at rigidity master platform 1 is fixed with left side wall 2 and right side wall symmetrically, acoustic reflex rear wall 3 is fixed on the rear portion of main platform 1 and connects with the two side, the top board 4 that is provided with illuminating lamp 5 is fixed on the top of two sidewalls and rear wall, constitutes one-level sound cover.Secondary sound cover is made of left side wall 6, right side wall and the top board 7 that is fixed on the top, two side, and is linked in the outside of one-level sound cover with little gap.Three grades of sound covers are made of left side wall 8, right side wall and the top board 9 that is fixed on the top, two side, and it is linked in the outside of secondary sound cover with little gap.This sound cover leaves in the storehouse of stage side with as shown in Figure 1 contraction state at ordinary times; During use, push to stage for the air cushion inflation of this sound cover bottom, then with two, three grades of sound covers push away forward, make the rear end of secondary sound cover almost mutually neat with the front end of one-level sound cover, the rear end of three grades of sound covers is several in mutually neat with the front end of secondary sound cover, the deployed condition when using, the level of whole sound cover to sectional drawing as shown in Figure 2 at this moment, among the figure 11,12,13 are respectively one, two, the left and right sides wall of three grades of sound covers, its longitudinal profile as shown in Figure 3, wherein 11,12,13 are respectively one, two, the sidewall of three grades of sound covers, 14,15,16 are respectively one, two, the top board section of three grades of sound covers.

Example 2. is equipped with air cushion 21, trunk line 22,23,24,25,26 as shown in Figure 4 and is communicated with the arm of air cushion in the bottom of main platform 1 bottom and secondary, three grades of sound covers; Pneumatics pump 27 is connected with gas tank 28 by valve 30, gas tank 28 connects soft force pipe 32,33,34,35,36 through valve 30 ' pipeline 31, and all each soft force pipes are connected with trunk line 23,24,22,25,26 through valve V1, V2, V3, V4, V5 respectively.For the convenience of installing and keeping in repair, be located at the air cushion (see figure 5) of main platform and sound cover at different levels bottom, be by the air cushion plug socket 41 that is fixed on main platform and sound cover bottom with by air bag base 42, section that the air bag 43, sealing flange circle 44, sealing flange 45 of UU shape is gentle to be chewed 46 and constitute; This plug socket 41 is one the annulus of opening to be arranged, and its bottom curves the angle bar of U-shaped and forms a flute profile socket to having one, and U-shaped socket end is provided with a pin hole and becomes pin joint with latch; Described cross section is the air bag 43 of UU shape and is made by the high-intensity airtight material of low elasticity, its neighboring is pressed between air bag base 42 and the flange circle 44 by sealing flange circle 44 and screw and nut and constitutes sealing, and its central part inward flange then is pressed between flange 45 and the air bag base 42 by sealing flange 45 and screw and nut and constitutes sealing; Air bag base 42 be provided with a gas that communicates with air bag chew 46 and the gas manifolds of borrowing itself and main platform to divide into join, the air bag inwall has two or several path pore.During use, to the air bag seat 42 insertion air bag plug sockets of air bag be housed and fix with latch, gas is chewed from gas and is entered air bag during inflation, air bag swells and its lower edge is contacted to earth and holds up main platform or/and the sound cover, there is portion gas to release and release simultaneously, between air bag and ground, forms a high pressure air film from the air bag lower end from air bag inwall aperture; At this moment, can pass main platform and sound cover as long as be applied to level to power, mobile rotation is all very convenient, laborsaving, and moves steadily.

In sum, sound cover of the present utility model is because its building block has adopted hollow-core construction, so its gross weight has obtained reducing significantly, the whole nested structure of this sound cover makes the combination of sound cover become very convenient; The employing air cushion holds up, can do universal moving and rotation, make the mobile of sound cover become steadily laborsaving, and sound covers on contraction-like down collection and economizes very much locally, needn't lift during use, splice, and can economize the plenty of time, help changing program and performance linking, also can reduce requirement, and provide technical condition, realize intended purposes of the present utility model fully for middle-size and small-size arenas is provided with the sound cover to the stage overhead height.

Claims (2)

1, a kind of air cushion moving telescopic type stage sound cover, by ornamental acoustic reflex rear panel, the left and right sides sheet of rigidity structure and be equipped with lighting apparatus last slice combine, and anterior high wide, the comparatively low narrow uncovered room shape in rear portion of formation, it is characterized in that, it by rigidity master's platform of trussed construction, be fixed on one-level sound cover on the main platform and several secondary～six grade sound cover that is sleeved on the outside step by step, and air feed equipment constitute; Described rigidity master's platform, framework by the one-tenth trussed construction of a rectangle, be covered with the floor above, its inboard, four limits, bottom is provided with circulating line and several positions air cushion slightly higher than support foot, the distribution density of air cushion is directly proportional with the Mass Distribution of main platform and upward load-bearing thereof, described one-level sound cover is surrounded by the left and right sides wall and the upper plate that are fixed on rear wall on the main platform and that interconnect, one-tenth minute surface symmetry, and is anterior high, wide, the preceding uncovered room shape that the rear portion is comparatively low, narrow; Described rear wall is that inside is provided with three-dimensional grid structure, and be fixed with the hollow, rectangular wall body of ornamental orchestra shell and backboard respectively in front and back, two sidewalls are the hollow cylinder that inside is provided with three-dimensional grid structure and is fixed with ornamental orchestra shell and backboard in front and back respectively about described one-tenth minute surface symmetry, its horizontal section is a right-angled triangle, also can be by two right-angle sides and comprise 1-2 section camber line and several sections other distortion that straight line surrounds, be provided with the electric consumption on lighting cable in the cylinder; Described top board is the inner hollow cylinder that three-dimensional grid structure is arranged and be fixed with backboard and ornamental orchestra shell thereon down respectively, its cross section is a right-angled triangle, also can be by two right-angle sides and comprise 1-2 section camber line and several sections other distortion that straight line surrounds, the top board surface is provided with some illuminating lamps, is provided with the electric consumption on lighting cable in the cylinder; Described secondary～sixs' grade sound covers at different levels connect by left and right sides wall and the top board that is provided with illuminating lamp and form, and become anterior high wide, the rear portion is than low narrow door opening shape, all the olo than the two side that constitutes previous stage sound cover is big slightly to form the interior spacing of two side of sound covers at different levels, and the height of its two side is big than the two side height that constitutes previous stage sound cover also, high behind the top board of sound covers at different levels along highly all omiting than previous stage sound cover forward position height, all sound covers at different levels are nested with previous stage sound cover respectively and merge and can vertically do relative displacement along stage, the left and right sides sidewall and the top board of described formation sound covers at different levels, left and right sides sidewall and the top board with aforementioned one-level sound cover is identical respectively with cross sectional shape for its internal construction.

2, air cushion moving telescopic type stage sound cover according to claim 1, it is characterized in that described air cushion constitutes by the air cushion plug socket that is fixed on main platform and sound cover bottom with by air bag, sealing flange circle, gentle the chewing of sealing flange that air bag base 42, section are UU shape; This plug socket is one the annulus of opening to be arranged, and its bottom curves the angle bar of U-shaped and forms a flute profile socket to having one, and U-shaped socket end is provided with a pin hole and becomes pin joint with latch; Described cross section is the air bag of UU shape and is made by the high-intensity airtight material of low elasticity, its neighboring is pressed between air bag base and the flange circle by sealing flange circle and screw and nut and constitutes sealing, and its central part inward flange then is pressed between flange and the air bag base by sealing flange and screw and nut and constitutes sealing; The air bag base is provided with the gas manifold that a gas that communicates with air bag is chewed and borrow itself and main platform to divide into and joins, and the air bag inwall offers several path pores.

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