阅读说明：本技术 一种用于球幕的后房体结构及其制备方法 (Rear room structure for spherical screen and preparation method thereof ) 是由 不公告发明人 于 2021-08-27 设计创作，主要内容包括：本发明属于球幕投影技术领域,尤其为一种用于球幕的后房体结构及其制备方法,包括两个后房体侧框架组件和后房体主框架组件,两个后房体侧框架组件分别固定安装在后房体主框架组件两侧,两个后房体侧框架组件上均固定安装有球幕连接角材组件、所述后房体主框架组件活动安装有舱门组件、设备门组件和踏板组件。本发明将球幕后方空间延伸出来,为大型设备提供了空间,有效的缩小的球幕的直径,减小球幕的体积和重量,使球幕安装、移动、拆卸更方便、运输成本低。(The invention belongs to the technical field of spherical screen projection, and particularly relates to a rear room body structure for a spherical screen and a preparation method thereof. The invention extends the space behind the ball screen, provides space for large-scale equipment, effectively reduces the diameter of the ball screen, reduces the volume and the weight of the ball screen, and ensures that the ball screen is more convenient to mount, move and disassemble and has low transportation cost.)

1. The utility model provides a back room body structure for ball curtain, includes two back room body side frame subassemblies (1) and back room body main frame subassembly (2), its characterized in that, two back room body side frame subassemblies (1) respectively fixed mounting in back room body main frame subassembly (2) both sides, equal fixed mounting have on two back room body side frame subassemblies (1) ball curtain connect angle bar subassembly (3) back room body main frame subassembly (2) movable mounting have hatch door subassembly (4), equipment door subassembly (5) and footboard subassembly (6).

2. The rear room body structure for the spherical screen is characterized in that the rear room body side frame component (1) and the rear room body main frame component (2) are both composed of a metal frame (7) and a skin (8), the metal frame (7) is composed of a plurality of C-shaped profiles, L-shaped profiles and connecting corner boxes, wherein the C-shaped profiles and the L-shaped profiles are made of 6 series aluminum alloy materials, and the connecting corner boxes are made of 2A12 aluminum alloy machined parts.

3. The rear room body structure for the ball screen is characterized in that the equipment door assembly (5) consists of an equipment door body (51), a door handle, an equipment door angle bar (53), an equipment door angle box (54), a sealing strip and a safety door (52) made of composite materials, wherein the equipment door body (51) and the safety door (52) are also paved with a skin (8), the equipment door assembly (5) is fixedly installed on the rear room body main frame assembly (2) through a nut-screw structure, the safety door (52) is adhered to the rear room body main frame assembly (2) through an adhesive tape, a sealing gasket is arranged between the safety door (52) and the rear room body main frame assembly (2), and the sealing gasket is made of Ethylene Propylene Diene Monomer (EPDM) foaming rubber strips.

4. The rear room structure for the spherical screen is characterized in that the cabin door assembly (4) is formed by riveting a cabin door body (41), a cabin door angle bar (42) and a cabin door angle box (43), a covering (8) is laid on the cabin door body (41), the cabin door assembly (4) is rotatably and rotatably connected with the rear room main frame assembly (2) through hinges, and a lock tongue, a lock body and a lock groove are respectively and fixedly arranged on the cabin door assembly (4) and the rear room main frame assembly (2).

5. A rear room structure for a ball screen as claimed in claim 1, wherein the pedal assembly (6) is made by riveting together a pedal and a pedal left/right support corner box, and the pedal assembly (6) is riveted together with the rear room main frame assembly (2).

6. A rear room structure for a ball curtain as claimed in claim 2, wherein the skin (8) is a composite laminated plate, the composite laminated plate is a carbon fiber foam sandwich structure, and the composite laminated plate is integrally formed by an autoclave forming process.

7. A rear room structure for a ball curtain as claimed in claim 2, wherein a layer of glass cloth is arranged between the skin (8) and the metal frame (7), and the surface of the skin (8) is uniformly coated with acrylic polyurethane coating.

8. A method for preparing a rear room structure for a ball curtain, which is used for manufacturing the rear room structure for the ball curtain as claimed in any one of claims 1 to 7, and is characterized by comprising the following steps:

firstly, coating a release agent on the surface and parting surface of a cavity of a carbon fiber plate mold, starting a layering operation after the release agent is volatilized and dried, laying with carbon fiber prepreg cloth, closing the carbon fiber plate mold, placing the mold in a heat shrinkage bag formed by a heat shrinkage film, and vacuumizing the heat shrinkage bag;

secondly, placing the carbon fiber plate mold in a vacuum state into an upper mold and a lower mold of a forming mold, starting a press machine to enable the upper mold and the lower mold to be matched, and injecting grease into oil storage cavities of the upper mold and the lower mold; heating the grease, maintaining pressure, putting the mould into a vacuum bag for vacuumizing, discharging the grease after a period of time, cooling the whole device, removing the carbon fiber plates from the forming mould after the carbon fiber plates are solidified, and fixedly installing the two carbon fiber plates into the same foam to manufacture a skin (8);

thirdly, welding a plurality of C-shaped profiles, L-shaped profiles and connecting angle boxes to form a metal frame (7), and then paving the skin (8) on the metal frame (7).

Technical Field

The invention relates to the technical field of spherical screen projection, in particular to a rear room structure for a spherical screen and a preparation method thereof.

Background

Dome cinema, also known as a garden dome movie or dome movie, is a large-screen movie appearing in the 70 s of the 20 th century. The ultra-wide angle fisheye lens is used for shooting and first-letter projection, the audience hall is of a dome-shaped structure, the screen is hemispherical, the audience is surrounded by the screen, and the screen looks like a dome. Because the screen image is large and clear, the screen image is carried forward and backward from the front of the audience, and the stereo ring sound is always available, so that the presence effect of the audience is very strong when the audience is placed in the screen, and the screen image is a well-known better playing carrier which can embody the feeling of being personally on the scene at present.

At present, no large-scale three-dimensional dynamic dome cinema is provided for consumers to experience in China, but small dome cinemas with the diameter of less than dozens of meters are commonly present in science and technology museums, juvenile palaces and other places of various cities. The film mostly uses a browsing type, a shuttle type and a simulated flight type lens, and is mostly a large panorama or a panorama. The types of the film are popular science, aerial landform, underwater photography, science fiction, simulation scene and the like.

When the ball curtain is used for simulating flight, skiing and drift, the diameter of the ball curtain does not need to be too large, but is limited by the size of equipment, certain space is needed in the ball curtain, the ball curtain is large in size, heavy, inconvenient to install and move, the safety of the existing integral ball curtain is low, and people who are inconvenient to escape when a fire disaster happens.

Therefore, we propose a rear house structure for a ball curtain and a method for preparing the same to solve the above problems.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a rear room structure for a ball curtain and a preparation method thereof.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a back room body structure for ball curtain, includes two back room body side frame subassemblies and back room body main frame subassembly, two back room body side frame subassemblies respectively fixed mounting in back room body main frame subassembly both sides, on two back room body side frame subassemblies equal fixed mounting have the ball curtain connect the angle section subassembly back room body main frame subassembly movable mounting has hatch door subassembly, equipment door subassembly and footboard subassembly.

Preferably, back room body side frame subassembly and back room body main frame subassembly constitute by metal crate and covering, and metal crate adopts a plurality of C type section bars, L type section bar and connects the angle box and constitutes, and wherein C type section bar and L type section bar material are 6 series aluminum alloy materials, connect the angle box and be 2A 12's aluminum alloy machine adds the piece.

Preferably, the equipment door assembly comprises an equipment door body, a door handle, an equipment door angle material, an equipment door angle box, a sealing strip and a safety door made of composite materials, wherein a skin is laid on the equipment door body and the safety door, the equipment door assembly is fixedly mounted on the rear room body main frame assembly through a nut-screw structure, the safety door is bonded with the rear room body main frame assembly through an adhesive tape, a sealing gasket is arranged between the safety door and the rear room body main frame assembly, and the sealing gasket is made of ethylene propylene diene monomer foamed rubber strips.

Preferably, the cabin door assembly is formed by riveting a cabin door body, a cabin door angle bar and a cabin door angle box, a covering is laid on the cabin door body, the cabin door assembly is rotationally connected with the rear room body main frame assembly through hinges, and a lock tongue, a lock body and a lock groove are respectively and fixedly arranged on the cabin door assembly and the rear room body main frame assembly.

Preferably, the pedal assembly is formed by riveting and fixing the pedal and the pedal left/right supporting corner box together, and the pedal assembly and the rear house body main frame assembly are riveted and fixed together.

Preferably, the skin is a composite material laminated plate, the composite material laminated plate is of a carbon fiber foam sandwich structure, and the composite material laminated plate is integrally formed by an autoclave forming process.

Preferably, a layer of glass cloth is arranged between the skin and the metal frame, and the surface of the skin is uniformly coated with an acrylic polyurethane coating.

A method for preparing a rear room structure for a ball curtain, which is used for manufacturing any one of the rear room structures for the ball curtain, and comprises the following steps:

firstly, coating a release agent on the surface and parting surface of a cavity of a carbon fiber plate mold, starting a layering operation after the release agent is volatilized and dried, laying with carbon fiber prepreg cloth, closing the carbon fiber plate mold, placing the mold in a heat shrinkage bag formed by a heat shrinkage film, and vacuumizing the heat shrinkage bag;

secondly, placing the carbon fiber plate mold in a vacuum state into an upper mold and a lower mold of a forming mold, starting a press machine to enable the upper mold and the lower mold to be matched, and injecting grease into oil storage cavities of the upper mold and the lower mold; heating the grease, maintaining pressure, putting the mold into a vacuum bag for vacuumizing, discharging the grease after a period of time, cooling the whole device, removing the carbon fiber plates from the forming mold after the carbon fiber plates are solidified, and fixedly installing the two carbon fiber plates into the same piece of foam so as to manufacture the skin;

welding a plurality of C-shaped profiles, L-shaped profiles and connecting angle boxes to form a metal frame, and then laying the skin on the metal frame.

Compared with the prior art, the invention has the beneficial effects that:

1. this application extends out ball curtain rear space, provides the space for the main equipment, and the diameter of the effectual ball curtain that reduces the volume and the weight of ball curtain, makes ball curtain installation, removal, dismantlement more convenient, the cost of transportation low.

2. The metal frame in this application mainly is made by the aluminum alloy, has the purchase convenience, and preparation cycle is short, advantages such as light in weight, and the covering is whole for carbon fiber foam sandwich structure, has specific strength, specific stiffness height, and the damping performance is good, advantages such as fatigue resistance is good and light in weight.

3. The skin in this application all adopts autoclave forming process, and forming process is stable, and is reliable, and product quality is high, and volume production product quality is stable, and the surface coating of skin has acrylic acid polyurethane priming paint, and it is good to have weather resistance, and the paint film is plump, has better performances such as wear-resisting, sour, water, oil, heat.

4. This application is except that the equipment door that supplies the equipment to come in and go out and the cabin door that supplies personnel to come in and go out, considers coping emergency, has still add the emergency exit, and on the emergency exit glued joint frame, only need follow inboard thrust and can lift off, make personnel safer in the ball curtain.

Drawings

Fig. 1 is a schematic overall structure diagram of a rear room structure for a ball curtain according to the present invention;

fig. 2 is a schematic structural diagram of an overall metal frame of a rear room structure for a ball curtain according to the present invention;

FIG. 3 is a front view of an equipment door assembly in a rear room structure for a ball screen according to the present invention;

FIG. 4 is a front view of a hatch door assembly in a rear room structure for a ball curtain according to the present invention;

fig. 5 is a schematic cross-sectional view of a ball curtain connecting angle bar assembly and a skin in a rear room structure for a ball curtain according to the present invention.

In the figure: 1. a posterior chamber side frame assembly; 2. a rear housing body main frame assembly; 3. the spherical screen is connected with the angle bar component; 4. a hatch door assembly; 41. a cabin door body; 42. a hatch angle bar; 43. a hatch corner box; 5. an equipment door assembly; 51. an equipment door body; 52. a safety door; 53. an equipment door angle section; 54. an equipment door corner box; 6. a pedal assembly; 7. a metal frame; 8. and (4) covering the skin.

Detailed Description

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.

Examples

Referring to fig. 1-5, the present embodiment provides a rear room body structure for a ball curtain, which includes two rear room body side frame assemblies 1 and a rear room body main frame assembly 2, wherein the two rear room body side frame assemblies 1 are respectively and fixedly mounted on two sides of the rear room body main frame assembly 2, the two rear room body side frame assemblies 1 are respectively and fixedly mounted with a ball curtain connecting angle bar assembly 3, and the rear room body main frame assembly 2 is movably mounted with a cabin door assembly 4, an equipment door assembly 5 and a pedal assembly 6.

The rear room body side frame assembly 1 and the rear room body main frame assembly 2 are both composed of a metal frame 7 and a skin 8, the metal frame 7 is composed of a plurality of C-shaped profiles, L-shaped profiles and connecting angle boxes, wherein the C-shaped profiles and the L-shaped profiles are made of 6 series aluminum alloy materials, and the connecting angle boxes are aluminum alloy machined parts of 2A 12; the aluminum alloy material has excellent properties of light weight, high strength and the like.

The equipment door assembly 5 consists of an equipment door body 51, a door handle, an equipment door angle material 53, an equipment door angle box 54, a sealing strip and a safety door 52 made of composite materials, wherein a skin 8 is also laid on the equipment door body 51 and the safety door 52, the equipment door assembly 5 is fixedly arranged on the rear room body main frame assembly 2 through a nut-screw structure, the safety door 52 is adhered with the rear room body main frame assembly 2 through an adhesive tape, a sealing gasket is arranged between the safety door 52 and the rear room body main frame assembly 2, and the sealing gasket is made of ethylene propylene diene monomer foamed rubber strips; the equipment door body 51 is fixed on the metal frame 7 through a nut-screw structure, can be detached, and facilitates the entrance and exit of large-scale equipment.

The cabin door assembly 4 is formed by riveting a cabin door body 41, a cabin door angle bar 42 and a cabin door angle box 43, a covering 8 is laid on the cabin door body 41, the cabin door assembly 4 is rotationally connected with the rear room body main frame assembly 2 through hinges, and a lock tongue, a lock body and a lock groove are respectively and fixedly arranged on the cabin door assembly 4 and the rear room body main frame assembly 2.

The pedal assembly 6 is formed by riveting and fixing a pedal and a pedal left/right supporting angle box together, and the pedal assembly 6 is riveted and fixed with the rear house body main frame assembly 2 together; the pedal assembly 6 can facilitate opening of the door assembly 4.

The skin 8 is a composite material laminated plate, the composite material laminated plate is of a carbon fiber foam sandwich structure, and the composite material laminated plate is integrally formed by an autoclave forming process; the carbon fiber foam sandwich structure has the excellent performances of light weight, high strength and the like.

A layer of glass cloth is arranged between the skin 8 and the metal frame 7, and the surface of the skin 8 is uniformly coated with an acrylic polyurethane coating; the glass cloth can prevent electrochemical corrosion between the skin 8 and the metal frame 7, and the acrylic polyurethane primer has good weather resistance, plump paint film, good wear resistance, good acid, water, oil, heat and other properties.

A method for preparing a rear room structure for a ball curtain, which is used for manufacturing any one of the rear room structures for the ball curtain, and comprises the following steps:

firstly, coating a release agent on the surface and parting surface of a cavity of a carbon fiber plate mold, starting a layering operation after the release agent is volatilized and dried, laying with carbon fiber prepreg cloth, closing the carbon fiber plate mold, placing the mold in a heat shrinkage bag formed by a heat shrinkage film, and vacuumizing the heat shrinkage bag;

secondly, placing the carbon fiber plate mold in a vacuum state into an upper mold and a lower mold of a forming mold, starting a press machine to enable the upper mold and the lower mold to be matched, and injecting grease into oil storage cavities of the upper mold and the lower mold; heating the grease, maintaining pressure, putting the mold into a vacuum bag for vacuumizing, discharging the grease after a period of time, cooling the whole device, removing the carbon fiber plates from the forming mold after the carbon fiber plates are solidified, and fixedly installing the two carbon fiber plates into the same piece of foam so as to manufacture the skin 8;

thirdly, welding a plurality of C-shaped profiles, L-shaped profiles and connecting angle boxes to form a metal frame 7, and then paving the skin 8 on the metal frame 7.

In the embodiment, the rear room body side frame assembly 1, the rear room body main frame assembly 2, the ball curtain connecting angle component 3, the cabin door component 4, the equipment door component 5, the pedal component 6 and the like are integrally structured, the integral framework C-shaped section, the L-shaped section and the connecting angle box of the rear room body structure are formed, the metal frame 7 and the skin 8 are fixedly connected together by riveting, during assembly, all the components are fixedly connected together by rivets, the equipment door body 51 is fixed on the metal frame 7 of the rear room body main frame assembly 2 by a nut-screw structure, the nut-screw structure is convenient for detaching the equipment door body 51 from the rear room body main frame assembly 2, so that large-scale equipment can enter and exit, the safety door 52 is glued on the metal frame 7 of the rear room body main frame assembly 2, and is convenient for detaching in case of emergency, the sealing strip is equipped with all around of equipment door subassembly 5, plays sealed effect, and cabin door subassembly 4 is whole to be fixed on rear room body main frame subassembly 2 through the hinge, and the hinge opposite side is because frequently switch cabin door body 41, and the cross section of cabin door body 1's sealing strip all around is the P type, and except sealed effect still by the effect of anticollision protection, all adopt ordinary sealing strip on all the other parts, and ball curtain connection angle section spare 3 mainly couples together metal crate 7 and ball curtain covering 8 with the riveted form.

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 person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.