CN215827475U - Flexible rolling shutter door type spacecraft storage and transportation box with airtight function - Google Patents

Flexible rolling shutter door type spacecraft storage and transportation box with airtight function Download PDF

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Publication number
CN215827475U
CN215827475U CN202121721606.6U CN202121721606U CN215827475U CN 215827475 U CN215827475 U CN 215827475U CN 202121721606 U CN202121721606 U CN 202121721606U CN 215827475 U CN215827475 U CN 215827475U
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box
door
storage
transportation
rolling shutter
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张永琴
姚栋栋
付铜玲
陈然
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Tianjin Aerospace Electromechanical Equipment Research Institute
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Tianjin Aerospace Electromechanical Equipment Research Institute
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Abstract

The utility model provides a flexible rolling shutter door type spacecraft storage and transportation box with an airtight function, which comprises a storage and transportation box and a hoisting part arranged at the top of the storage and transportation box, wherein one side of the storage and transportation box is hermetically connected with a rolling shutter door through an inflatable sealing ring, a leakage detection system and a sensor are arranged in the storage and transportation box, an electric control box is arranged outside the storage and transportation box, and a motor, the leakage detection system and the sensor of the rolling shutter door are all connected to an external main control machine. The flexible rolling shutter door type spacecraft storage and transportation box with the airtight function effectively solves the problems of spacecraft storage and rapid transportation, guarantees the airtight environment of spacecraft storage and transportation, effectively solves the problem of limited factory building hoisting, and realizes rapid box opening operation within 1 minute.

Description

Flexible rolling shutter door type spacecraft storage and transportation box with airtight function
Technical Field
The utility model belongs to the technical field of spacecraft transportation equipment, and particularly relates to a spacecraft storage and transportation box which is used for ground storage, rapid transportation, propulsion and leakage detection of a spacecraft and provides a good airtight environment for the spacecraft.
Background
The continuous enhancement of the demand for rapid launching of spacecraft, ground storage, transportation and propulsion leak detection of spacecraft are one of the necessary conditions for meeting the rapid launching of the spacecraft. The maintenance of airtight environment and the rapid opening operation in the process of spacecraft storage and transportation and leak detection can provide favorable guarantee for rapid launching. Because the structure difference of the spacecrafts is larger, most of the existing storage and transportation packing boxes of the spacecrafts are in bell-type structures, the boxes need to be opened and closed by means of hoisting equipment, certain requirements on the hoisting height of a factory are met, and the operation time of opening and closing the boxes is longer.
Disclosure of Invention
In view of the above, the present invention provides a flexible rolling shutter door type spacecraft storage and transportation box with an airtight function, so as to solve the problems of limited plant hoisting height and long operation time of opening and closing the box when a spacecraft is stored and transported rapidly.
In order to achieve the purpose, the technical scheme of the utility model is realized as follows:
the utility model provides a flexible roll of curtain door-type spacecraft storage and transportation case with airtight function, includes the hoist and mount portion of storage and transportation case and top installation, stores and transports case one side through inflatable seal circle and rolling slats door sealing connection, stores and transports incasement internally mounted leak hunting system and sensor, externally mounted electric cabinet, and motor, leak hunting system and the sensor of rolling slats door all are connected to outside master controller.
Furthermore, the storage and transportation box comprises a box body and a standard interface, a storage battery and a manual gas distribution box which are arranged on the outer side of the box body, the box body is of a shell structure with an opening on one side, the opening side of the box body is fixedly connected with the rolling door through an inflatable sealing ring, the inflatable sealing ring is positioned in a flange groove of the box body, and hoisting parts are symmetrically arranged above the box body.
Further, the rolling slats door includes the door curtain subassembly, and top supporting component is installed at door curtain subassembly top, and bottom rigid coupling bottom supporting component, lateral part supporting component is installed respectively to both sides.
Furthermore, the top support assembly comprises a reel, a top cross beam and a machine head frame which are of an integrated structure, wherein the reel is installed above the machine head frame, the top cross beams are installed on two sides of the machine head frame, and the lower part of the machine head frame is fixedly connected to an upper flange of the box body; a motor is arranged on one side of the machine head frame, and a rotating shaft of the motor is coaxially and fixedly connected with the scroll.
Furthermore, a rainproof cover is arranged outside the machine head frame.
Further, the door curtain subassembly includes door curtain, zip fastener, interior track, door curtain top fixed connection to spool, door curtain both sides limit all with zip fastener fixed connection, inside the zip fastener was located the interior track to with interior track sliding connection, the zip fastener drives the door curtain and slides in the interior track, realizes opening and shutting of rolling slats door.
Furthermore, both side edges of the door curtain are welded with the zipper into a whole in a hot melting way.
Further, the bottom support component comprises a balance weight, a handle, a bottom pressing beam and a bottom fixing piece, the balance weight is fixedly connected to the bottom of the door curtain, the handle and the bottom pressing beam are installed below the door curtain, the bottom fixing piece is fixedly installed at the bottom of the box body, a gap is formed between the bottom fixing piece and the balance weight, and the width of the gap is adjustable.
Further, the counterweight is a steel shot counterweight bag.
Further, lateral part supporting component includes a lateral part stand, a gasket, No. two lateral part stands, the sleeve, outer guide rail, No. two lateral part stands of lateral part stand below fixed mounting, No. two lateral part stands are equipped with the mounting groove that is used for the outer guide rail of fixed mounting, and No. two lateral part stands are fixed with the lower part flange side of box, the inner guide rail is inlayed to outer guide rail inside fixed, outside through bolted connection to No. two lateral part stands, the sleeve is cup jointed to the part outside that the bolt extended No. two lateral part stands, the spring is cup jointed to the sleeve outside, and installation gasket between sleeve and No. two lateral part stands.
Compared with the prior art, the flexible rolling shutter door type spacecraft storage and transportation box with the airtight function has the following advantages:
(1) the flexible rolling shutter door type spacecraft storage and transportation box with the airtight function effectively solves the problems of spacecraft storage and rapid transportation, guarantees the airtight environment of spacecraft storage and transportation, effectively solves the problem of limited factory building hoisting, and realizes rapid box opening operation within 1 minute.
(2) The flexible rolling shutter door type spacecraft storage and transportation box with the airtight function has good airtightness, when the inflatable sealing ring is pressurized to 0.35Mpa, the leakage rate index of the box body meets the pressurization requirement of 500Pa, the pressure drop in 1 hour is less than or equal to 100Pa, and meanwhile, the flexible rolling shutter door type spacecraft storage and transportation box can be matched with other equipment to finish the rapid transportation work before the spacecraft is launched.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
fig. 1 is a schematic structural diagram of a flexible rolling shutter door type spacecraft storage box according to an embodiment of the utility model;
FIG. 2 is a top view of a flexible rolling shutter door type spacecraft storage bin according to an embodiment of the present invention;
FIG. 3 is a sectional view taken along line A-A of FIG. 2;
FIG. 4 is an interface view of a pneumatic sealing ring according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a tambour door according to an embodiment of the present invention;
FIG. 6 is an enlarged view taken at A in FIG. 5;
FIG. 7 is a partial stress diagram of a bottom compression beam according to an embodiment of the present invention;
FIG. 8 is a partial strain diagram of a bottom hold down beam according to an embodiment of the present invention;
FIG. 9 is a schematic structural view of a side support assembly and a door curtain assembly according to an embodiment of the present invention;
FIG. 10 is a stress diagram of a side stud number one according to an embodiment of the present invention;
FIG. 11 is a strain diagram of a side column number one according to an embodiment of the present invention;
FIG. 12 is a graphical illustration of door curtain stress and deformation according to an embodiment of the present invention;
FIG. 13 is a schematic view of a force analysis of a door curtain according to an embodiment of the present invention;
fig. 14 is a schematic structural diagram of a box 11 according to an embodiment of the present invention;
FIG. 15 is an enlarged view at B of FIG. 14;
FIG. 16 is a stress diagram of a handpiece frame according to an embodiment of the utility model;
FIG. 17 is a strain chart of a handpiece frame according to an embodiment of the utility model.
Description of reference numerals:
1-storage and transportation box; 11-a box body; 111-upper flange: 112-lower flange; 12-standard interface; 13-a storage battery; 14-a box cover; 15-manual distribution box; 2-rolling doors; 21-a top support assembly; 211-rain cover; 212-a reel; 213-top beam; 214-a handpiece frame; 215-L corner panels; 216-long bolt; 217- -electric motor; 218-manual chain; 22-a bottom support assembly; 221-a counterweight; 222-a handle; 223-bottom pressure strip; 224-bottom fixture; 23-a lateral support assembly; 231-side column number one; 232-a gasket; 233-second side column; 234-sleeve; 235-an outer guide rail; 24-a door curtain assembly; 241-door curtain; 242-a zipper; 243-inner rail; 3-a hoisting part; 4-a leak detection system; 5-inflating a sealing ring; 6-corner plates; 7-an electric cabinet.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The utility model provides a flexible roll of curtain door-type spacecraft storage and transportation case with airtight function, as shown in fig. 1 to 17, including storage and transportation case 1, rolling slats door 2, hoist and mount portion 3, leak detection system 4, inflatable seal 5, scute 6 and electrical system, 1 top installation hoist and mount portion 3 of storage and transportation case, 1 one side seal installation rolling slats door 2 of storage and transportation case, internally mounted leak detection system 4 and sensor, externally mounted electrical system, rolling slats door 2's motor, leak detection system 4 and sensor all are connected to outside master controller.
The hoisting part 3 is used for hoisting the whole storage and transportation box 1. The master control machine is a controller in an external control center. Leak detection system 4 is a vacuum leak detection system. The storage and transportation box 1 is of a cuboid structure as a whole.
The storage and transportation box 1 comprises a box body 11, a standard interface 12, a storage battery 13, a box cover 14 and a manual gas distribution box 15, wherein the box body 11 is of a shell structure with an opening at one side, the upper part of the opening side is fixedly connected with the roller shutter door 2 through an inflatable sealing ring 5, and the inflatable sealing ring 5 is positioned in a flange groove of the box body 11, so that the air tightness of the storage and transportation box 1 is effectively ensured; the hoisting part 3 is symmetrically arranged above a box cover 14 of the box body 11, the electric control box 7, the standard interface 12, the storage battery 13 and the manual gas distribution box 15 are arranged on the side surface of the box body 11, and the leak detection system 4 and the sensor are arranged inside the box body 11. The electric cabinet 7 of the roller shutter door is powered by a mode of combining commercial power and the storage battery 13, 220V/50Hz commercial power is used for operation in the plant, and the storage battery 13 is used for operation outside the plant, so that the roller shutter door can be automatically opened after power failure. The electric control box 7 is an electric control box which can realize the function in the prior art.
The edge of the box body 11 is provided with a plurality of flanges. The case 11 is formed by metal welding and has reliable strength and rigidity. The box body 11 is provided with a standard interface 12 connected with an environment control device, so that the box body 11 can maintain the environment such as constant temperature, constant humidity, constant pressure, cleanness and the like through the environment control device (such as an air conditioner, an air source and the like), and can be monitored in real time through a sensor arranged in the box body, the alarm feedback of a main control machine is completed, and a comfortable and safe environment is created in the storage and operation process of the spacecraft.
Preferably, the sensor can be according to actual conditions, one or more of temperature sensor, humidity transducer, pressure sensor, dust sensor etc. is installed to each sensor equal signal connection to master control machine, gives master control machine feedback signal. The box body 11 is internally provided with a leakage detection system 4, so that the propulsion leakage detection function of the spacecraft is realized. And a manual gas distribution box 15 is arranged on the side surface of the box body 11, and the manual gas distribution box 15 is connected with the gas-filled sealing ring pipeline to fill gas for the gas-filled sealing ring 5. The cross section of the inflatable sealing ring 5 is shown in figure 4, the material is nitrile rubber, the working pressure of the inflatable sealing ring 5 is 0.02 MPa-0.5 MPa, in the scheme, the working pressure of the inflatable sealing ring 5 is adjusted to be 0.35MPa, and the expansion amount of 8-10 mm can be realized under the inflation pressure, so that the roller shutter door 2 and the box body 11 are sealed.
Air-tight principle of the storage and transportation box 1: the rolling door 2, the flange of the storage and transportation box 1 and the inflatable sealing ring 5 form an airtight structure. When the air-filled sealing ring 5 is pressurized to 0.35MPa, the storage and transportation box 1 can bear 500Pa positive pressure, and the leakage rate can reach less than or equal to 100 Pa/h. The opening and closing speed of the roller shutter door is 0.2-0.3 m/s, and one-time lifting operation of the roller shutter door can be realized within 1 minute. The flexible rolling shutter door type storage and transportation box with the airtight function not only creates a good airtight environment for storage and transportation of the spacecraft, but also can reduce the height of opening the box, reduce the use of equipment such as hoisting and the like, and is convenient for quickly opening and closing the box.
The roller shutter door 2 comprises a top support component 21, a bottom support component 22, a side support component 23 and a door curtain component 24, wherein the top support component 21 is installed at the top of the door curtain component 24, the bottom is fixedly connected with the bottom support component 22, and the two sides of the door curtain component are respectively provided with the side support component 24. The door curtain component 24 comprises a door curtain 241, a zipper 242 and an inner rail 243, the top of the door curtain 241 is fixedly connected to the scroll 212 and is pressed by a pressing strip and a rivet, two side edges of the door curtain 241 are fixedly connected with the zipper 242, the zipper 242 is positioned in the inner rail 243 and is in sliding connection with the inner rail 243, and the zipper 242 drives the door curtain 241 to slide in the inner rail 243 to realize the opening and closing of the roller shutter door; the bottom of the door curtain 241 is welded with the counterweight 221 in a hot melting mode, so that the surface of the rolling door is unfolded in the lifting process, and gravity closing is achieved.
The design of the flexible rolling shutter door type storage and transportation box reduces the height of opening the box, reduces the use of equipment such as hoisting and the like, and effectively solves the problem of limited hoisting height of a factory building. In the present embodiment, the gap between the support components (top support component 21, bottom support component 22, side support component 23) of the rolling door 2 and the flange of the box 11 is 4.4mm, wherein the thickness of the door curtain 241 is 2.4mm, i.e. the door curtain 241 slides up and down in the 2mm gap.
The counterweight 221 is a steel shot counterweight bag. The counterweight 221 contains 5mm steel shots to form a counterweight of about 30kg, the diameter of the steel shots is 42mm, and the bottom of the door curtain 241 is in hot-melt welding with the steel shot counterweight bag, so that the surface of the rolling door is unfolded in the lifting process, and gravity closing is realized. The door curtain 241 is a PVC door curtain; zipper 242 is a POM zipper. Preferably, both sides of the door curtain 241 are thermally welded to the zipper 242 as a whole, and a high-frequency welding method is adopted.
Top support assembly 21 comprises rain shield 211, reel 212, top beam 213, head frame 214, L-shaped plate 215, long bolt 216, motor 217 and manual chain 218, reel 212 is installed above head frame 214, top beam 213 is installed on two sides of head frame 214, and the lower part is fixedly connected to upper flange 111 of box 11; the motor 217 is installed at one side of the machine head frame 214, and a rotating shaft of the motor 217 is fixed with the scroll 212 and rotates coaxially with the scroll, so that the motor 217 drives the scroll 212 and drives the door curtain 241 to open and close.
The motor 217 is also fixedly connected to a manual chain 218. The motor 217, the scroll 212 and the electric cabinet 7 form an electric control system of the rolling door 2, the electric control system of the rolling door adopts a mode of combining a commercial power 220V and a storage battery for supplying power, a 220V/50Hz commercial power is adopted for operation in a factory building, the storage battery with 0.75 kilowatt hour-1 kilowatt hour is adopted for operation outside the factory building, and the rolling door can be opened for 3 times after power failure. The electric control system can control the rolling door to move up and down and stop suddenly, is safe and reliable, and controls the opening and closing limit of the rolling door. The flexible rolling door can realize quick opening and closing of the box within 1 minute, and is convenient for the spacecraft to transport quickly.
The door curtain 241 is driven by a single shaft, and the bottom is closed by gravity through a steel shot counterweight. The diameter of the door curtain roller 212 is 140mm, the running speed of the door curtain 241 is 0.2m/s, and the maximum working torque of the door curtain 241 is 54.8 NM. The factors such as the size of the roller shutter door, the lifting speed, the maximum working torque and the like are comprehensively considered, the roller shutter door driving motor 217 selects a German GFA-SE 14.21 industrial door special motor, the torque is 120-160 NM, and the motor rotating speed is 24 RPM. Based on safety considerations, when the power supply system of the roller shutter door fails, the roller shutter door can be opened and closed by using a manual chain 218 in a motor 217. Specifically, since the top cross member 213 is largely deformed after the inflation seal 5 is inflated, the top cross member 213 is integrated with the head frame 214 and the reel 212.
Two sides of the machine head frame 214 are respectively and fixedly provided with a supporting piece, a through hole is formed in the middle of each supporting piece, two ends of the scroll 212 penetrate through the through holes of the supporting pieces, and the outer wall of the scroll 212 is fixedly connected with the door curtain 241 through pressing strips and rivets in a compression joint mode; the head frame 214 and the top cross beam 213 are fixed by a long bolt 216. The head frame 214 is fixed to the upper flange 112 of the case 11 by an L-shaped plate 215, and the head frame 214 is integrally formed by welding a metal material, preferably Q235 steel, and an external rain cover 211 is used. A gap is reserved between the inner side of the top cross beam 213 and the outer side of the upper flange 111, so that the door curtain 241 can be opened and closed in a sliding mode up and down conveniently.
Side supporting component 23 includes a side stand 231, gasket 232, No. two side stands 233, sleeve 234, outer guide rail 235, No. two side stands 233 of a side stand 23 below fixed mounting, No. two side stands 233 are equipped with the mounting groove that is used for fixed mounting outer guide rail 235, and No. two side stands 233 pass through the screw and are fixed with the lower part flange 112 side of box 11, inner guide rail 243 is inlayed to the inside fixed of outer guide rail 235, outside through bolted connection to No. two side stands 233, the part outside that No. two side stands 233 extended out to the bolt cup joints sleeve 234, the spring is cup jointed to sleeve 234 outside, and installation gasket 232 between sleeve 234 and No. two side stands 233.
The bottom support assembly 22 comprises a counterweight 221, a handle 222, a bottom pressing beam 223 and a bottom fixing piece 224, the bottom of the door curtain 241 is fixedly connected to the counterweight 221, the handle 222 and the bottom pressing beam 223 are installed below the door curtain 241, the bottom fixing piece 224 is fixedly installed at the bottom of the box body 11, and a gap is formed between the bottom fixing piece 224 and the counterweight 221. The bottom fixing member 224 is an L-shaped structure, and an adjusting screw is disposed on the bottom fixing member 224 and used for adjusting a gap between the bottom fixing member 224 and the bottom pressing beam 223 to press or loosen the bottom pressing beam 223.
During the design process of the door curtain assembly 24, the key points are that:
(1) wear analysis of inner rail 243
The inner rail 243 is made of ultra-high molecular weight polyethylene, which is an engineering material with impact resistance, wear resistance, good self-lubricating property and excellent low-temperature property. The material has strong sliding friction resistance, the wear resistance is 4-7 times that of a common steel pipe, the wear resistance is 27.3 times that of stainless steel and 17.9 times that of phenolic resin, the average annual wear loss is 0.58mm, the factors of the use working condition, the use frequency and the cleanliness of the roller shutter door are comprehensively considered, and the material can meet the requirements without a lubricating medium in the use process.
(2) Stress analysis of PVC door curtain 241
The PVC door curtain parameters are shown in Table 1.
TABLE 1 PVC door curtain
Item Parameter(s)
Thickness of door curtain 2.4mm
Weight (D) 2600g/m2
Tensile strength 1000N/mm
When the roller shutter door is used, the roller shutter door 2 bears the positive pressure of 500Pa at most. Finite element analysis is carried out by Solidworks software, and the periphery of the rolling door 2 is restrained. The pressure of 500Pa is applied to the surface of the roller door 2, and the results are shown in the graph of F and D in FIG. 12.
Wherein F represents the maximum stress of the door curtain; d represents the maximum deformation of the door curtain.
When the rolling door bears 500Pa pressure, the stress between the rolling door 2 and the inflatable sealing ring 5 is shown in figure 13.
2.1, the roller shutter door 2 receives the maximum tension per unit length:
F=P×S=0.77×106×2.4×10-3×1=1848N
wherein F represents the maximum tension force applied to the unit length when the rolling door bears pressure of 500 Pa; p represents the maximum stress of 0.77MPa when the rolling door bears pressure of 500 Pa; s represents the unit area of the shutter door.
2.2, friction force between the inflatable sealing ring 5 and the roller shutter door 2:
N=P×S×μ=0.35×106×2.2×10-3×1×0.5=3850N
wherein, N represents the friction force between the inflatable sealing ring and the roller shutter door when the inflatable sealing ring 5 is pressurized to 0.35 MPa; p represents the pressure intensity of the inflatable sealing ring to be 0.35 MPa; mu represents the friction coefficient between rubbers to be 0.5, and N is greater than F, namely the friction force between the inflatable sealing ring and the roller shutter door is greater than the maximum pulling force applied to the roller shutter door in unit length, so that the roller shutter door realizes the airtight function, the pressurization is 500Pa, and the leakage rate is less than or equal to 100 Pa/h.
(3) External fixation support assembly
The external fixed supporting component is mainly used for compressing the inflatable sealing ring and consists of guide rail upright post parts at two sides, a top machine head frame part and a bottom bracket beam part.
3.1 two lateral support assemblies 23
The first side column 231 and the second side column 233 are analyzed integrally, the side edge (the surface attached to the box body flange) of the second side column 233 is restrained by using solidworks analysis software, a load of 0.35MPa is applied to the surface (the surface attached to the PVC door curtain) of the first side column 231, and the result is calculated through software analysis, and is shown in fig. 10 at F and fig. 11 at D. The aluminum material yield stress sigma s is 140MPa, the safety factor n is 140/11.79 and is approximately equal to 11.87, and the rigidity and the strength of the side upright post can meet the use requirement
Wherein F represents the side column maximum stress; d represents the maximum deformation of the side uprights.
3.2 Top support Assembly 21
The head frame 214 adopts solidworks analysis software to constrain the surface of the head frame 214 jointed with the box body flange, a load of 0.35MPa is applied to the surface of the head frame 214 jointed with the roller door 2, and the result is analyzed and calculated by the software, and is shown as F in fig. 16 and D in fig. 17. The yield stress sigma s of the Q235 steel material is 235MPa, and the safety factor n is 235/193.6 and is approximately equal to 1.21; the strength and the strength can meet the use requirements.
Wherein F represents the side column maximum stress; d represents the maximum deformation of the side uprights.
3.3 bottom support Assembly 22
And the bottom pressing beam 223 adopts solidworks analysis software to constrain the surface of the bottom pressing beam 223, which is attached to the box body 11, and a load of 0.35MPa is applied to the surface of the bottom pressing beam 223, which is attached to the roller shutter door 2, and the result is analyzed and calculated by the software, as shown in F in fig. 7 and D in fig. 8. And the yield stress sigma s of the aluminum material is 140MPa, the safety factor n is 140/24.15 and is approximately equal to 5.79, and the rigidity and the strength can meet the use requirement. Wherein F represents the side column maximum stress; d represents the maximum deformation of the side uprights.
The flexible rolling shutter door type spacecraft storage and transportation box with the airtight function has the use process that:
when the roller shutter door 2 needs to be closed, the master controller controls the motor 217 to work, the motor 217 drives the scroll 212 to rotate, the scroll 212 drives the door curtain 241 to move downwards until the counterweight 221 falls above the L-shaped bottom fixing piece 224, a worker places a bottom pressing beam 223 (made of metal) between the L-shaped bottom fixing piece 224 and the door curtain 241 through the handle 222, meanwhile, an adjusting screw of the bottom fixing piece 224 is fastened, the inflatable sealing ring 5 is inflated through the manual gas distribution box 15, and the inflatable sealing ring 5 clamps the door curtain 241, so that sealing between the box body 11 and the roller shutter door 2 is realized; when the roller shutter door 2 needs to be opened, a worker exhausts air from the manual air distribution box 15, the air-filled sealing ring 5 is decompressed, the adjusting screw of the bottom pressing beam 223 is loosened and lifted manually, and then the roller shutter 241 is controlled to be opened through the master controller.
Corners around the roller shutter door 2 are all fixed and pressed by corner plates 6, so that the airtight function is realized.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. The utility model provides a flexible roll of curtain door-type spacecraft storage and transportation case with airtight function which characterized in that: the device comprises a storage and transportation box and a hoisting part arranged at the top of the storage and transportation box, wherein one side of the storage and transportation box is connected with a rolling door in a sealing way through an inflatable sealing ring, a leakage detection system and a sensor are arranged in the storage and transportation box, an electric control box is arranged outside the storage and transportation box, and a motor, the leakage detection system and the sensor of the rolling door are all connected to an external master controller.
2. A flexible rolling shutter door type spacecraft storage box with airtight function according to claim 1, characterized in that: the storage and transportation box comprises a box body and a standard interface, a storage battery and a manual gas distribution box which are arranged on the outer side of the box body, the box body is of a shell structure with one side open, the open side is fixedly connected with the rolling door through an inflatable sealing ring, the inflatable sealing ring is positioned in a flange groove of the box body, and hoisting parts are symmetrically arranged above the box body.
3. A flexible rolling shutter door type spacecraft storage box with airtight function according to claim 1, characterized in that: the rolling door comprises a door curtain component, a top supporting component is installed at the top of the door curtain component, the bottom of the door curtain component is fixedly connected with a bottom supporting component, and two sides of the rolling door are respectively provided with a side supporting component.
4. A flexible rolling shutter door type spacecraft storage box with airtight function according to claim 3, characterized in that: the top support assembly comprises a scroll, a top cross beam and a machine head frame which are of an integrated structure, wherein the scroll is arranged above the machine head frame, the top cross beams are arranged on two sides of the machine head frame, and the lower part of the machine head frame is fixedly connected to an upper flange of the box body; a motor is arranged on one side of the machine head frame, and a rotating shaft of the motor is coaxially and fixedly connected with the scroll.
5. The flexible rolling shutter door type spacecraft storage box with airtight function according to claim 4, wherein: the outside of the frame of the machine head is provided with a rain cover.
6. The flexible rolling shutter door type spacecraft storage box with airtight function according to claim 4, wherein: the door curtain component comprises a door curtain, a zipper and an inner rail, the top of the door curtain is fixedly connected to the scroll, two side edges of the door curtain are fixedly connected with the zipper, the zipper is located inside the inner rail and is in sliding connection with the inner rail, and the zipper drives the door curtain to slide in the inner rail, so that the opening and closing of the rolling door are realized.
7. The flexible rolling shutter door type spacecraft storage box with airtight function according to claim 6, wherein: both sides of the door curtain are welded with the zipper into a whole by hot melting.
8. The flexible rolling shutter door type spacecraft storage box with airtight function according to claim 6, wherein: the bottom support assembly comprises a balance weight, a handle, a bottom compression beam and a bottom fixing piece, the balance weight is fixedly connected to the bottom of the door curtain, the handle and the bottom compression beam are installed below the door curtain, the bottom fixing piece is fixedly installed at the bottom of the box body, a gap is formed between the bottom fixing piece and the balance weight, and the width of the gap is adjustable.
9. The flexible rolling shutter door type spacecraft storage box with airtight function according to claim 8, wherein: the counterweight is a steel shot counterweight bag.
10. The flexible rolling shutter door type spacecraft storage box with airtight function according to claim 6, wherein: lateral part supporting component includes a lateral part stand, the gasket, No. two lateral part stands, the sleeve, outer guide rail, No. two lateral part stands of lateral part stand below fixed mounting, No. two lateral part stands are equipped with the mounting groove that is used for the outer guide rail of fixed mounting, and No. two lateral part stands are fixed with the lower part flange side of box, the inner guide rail is inlayed to the inside fixed of outer guide rail, bolted connection is passed through to the outside No. two lateral part stands, the part outside that the bolt extended No. two lateral part stands cup joints the sleeve, the spring is cup jointed to the sleeve outside, and installation gasket between sleeve and No. two lateral part stands.
CN202121721606.6U 2021-07-27 2021-07-27 Flexible rolling shutter door type spacecraft storage and transportation box with airtight function Active CN215827475U (en)

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CN202121721606.6U CN215827475U (en) 2021-07-27 2021-07-27 Flexible rolling shutter door type spacecraft storage and transportation box with airtight function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121721606.6U CN215827475U (en) 2021-07-27 2021-07-27 Flexible rolling shutter door type spacecraft storage and transportation box with airtight function

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CN215827475U true CN215827475U (en) 2022-02-15

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