CN111086661A - Can dismantle space of combination formula and expand structure ground test device - Google Patents
Can dismantle space of combination formula and expand structure ground test device Download PDFInfo
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- CN111086661A CN111086661A CN201911405745.5A CN201911405745A CN111086661A CN 111086661 A CN111086661 A CN 111086661A CN 201911405745 A CN201911405745 A CN 201911405745A CN 111086661 A CN111086661 A CN 111086661A
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- space
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- inflatable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G7/00—Simulating cosmonautic conditions, e.g. for conditioning crews
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G5/00—Ground equipment for vehicles, e.g. starting towers, fuelling arrangements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
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- Aviation & Aerospace Engineering (AREA)
- Astronomy & Astrophysics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides a detachable combined type space expansion structure ground test device, which is characterized in that a main structure is formed by mutually splicing square frames to obtain a door frame type truss, the inner space of the door frame type truss is an expansion space of an inflatable structure, and the detachable combined type space expansion structure ground test device is convenient to detach and assemble and strong in operability; secondly, as the square frames belong to products with customizable sizes, the overall size of the spliced long strip type truss structure can be adjusted by changing the number of the spliced frames or the size of the frames in the aspects of length, height and width, so that the method can be suitable for expansion tests of inflatable expansion structure products with different sizes, such as large space functional structural members of satellite solar wing structures and the like; when the inflatable structure unfolding test is carried out, the influence of gravity is counteracted through the pulling force of the lifting rope, so that the microgravity environment of the outer space is simulated, and a platform for displaying the product function is provided for the space unfolding structure.
Description
Technical Field
The invention belongs to the technical field of spaceflight, and particularly relates to a detachable combined type space expansion structure ground test device.
Background
The inflatable space unfolding structure is a space structure with the surface made of flexible film materials and the interior made of a cavity, can be inflated and unfolded, has the advantages of flexible combination, easy assembly and disassembly, structural adjustment according to needs and the like, can be used as an unfolding structure, a supporting structure, a pressure bearing structure, an action mechanism and the like, such as an extending arm, a track walking outside a cabin, a pneumatic joint and the like, and has a wide application field.
In the development process of the inflatable space expansion structure, a ground test is an indispensable development link, and the reliability of the product on the function must be verified through the ground test. Because space is a microgravity environment, in the existing ground test process, a test device which can offset the influence of the gravity of a space unfolding structure and provide product function display is lacked.
Disclosure of Invention
In order to solve the problems, the invention provides a detachable combined type space expansion structure ground test device which has the characteristics of being detachable and easy to combine, adjusting the size of the space expansion structure according to different sizes of the space expansion structure, and matching, and is applicable to a wide range of products.
A detachable combined type space expansion structure ground test device comprises a guide rail 6, a fixed simulation wall 4, more than two square frames 2 and more than two assembling units;
a plurality of square frames 2 are longitudinally spliced to form a doorframe type truss; the fixed simulation wall 4 is installed at one end of the doorframe-shaped truss, and the inner side of the fixed simulation wall 4 is used for installing an inflatable structure; the guide rail 6 is fixed on the upper part of the doorframe type truss;
the assembly unit comprises a lifting ring pulley, a tensioner 3 and a lifting rope; the lifting ring pulley can freely slide along the guide rail; the lifting rope is arranged on the inflatable structure in the telescopic direction through a plurality of connecting blocks, and the inflatable structure is hung on each lifting ring pulley through the strainer 3.
Furthermore, a fixing hole and an inflation hole are formed in the fixed simulation wall 4, wherein an inflation head of the inflation structure penetrates through the inflation hole to be connected with an external inflation device, and a fixing plate of the inflation structure is connected and fastened with the fixing hole in the fixed simulation wall 4 through a bolt.
Further, the detachable combined type space unfolding structure ground test device further comprises a universal wheel 1 and leveling supporting feet 5 which are installed at the bottom of the square frame 2 and used for moving and leveling the long strip-shaped truss.
Further, the square frame 2 is constituted by a plurality of square aluminum pipes.
Has the advantages that:
1. the invention provides a detachable combined type space unfolding structure ground test device, which is characterized in that a main structure is formed by mutually splicing square frames to obtain a strip-shaped truss, the inner space of the strip-shaped truss is the unfolding space of an inflatable structure, and the detachable combined type space unfolding structure ground test device is convenient to detach and assemble and strong in operability; secondly, as the square frames belong to products with customizable sizes, the overall size of the spliced long strip type truss structure can be adjusted by changing the number of the spliced frames or the size of the frames in the aspects of length, height and width, so that the method can be suitable for expansion tests of inflatable expansion structure products with different sizes, such as large space functional structural members of satellite solar wing structures and the like; when the inflatable structure unfolding test is carried out, the influence of gravity is counteracted through the pulling force of the lifting rope, so that the microgravity environment of the outer space is simulated, and a platform for displaying the product function is provided for the space unfolding structure.
2. The invention provides a detachable combined type ground test device for a space expansion structure.
Drawings
FIG. 1 is a left side view of a detachable and assembled floor test device with a space expansion structure according to the present invention;
FIG. 2 is a top view of a detachable combined space expanding structure ground test device provided by the invention;
FIG. 3 is a schematic view of a fixed simulated wall mounting structure provided by the present invention;
FIG. 4 is a schematic structural diagram of an assembly unit provided by the present invention;
FIG. 5 is a schematic view of the structure of the eye pulley provided by the present invention;
FIG. 6 is a schematic view of a tensioner according to the present invention;
FIG. 7 is a schematic view of a connection block on the inflatable structure provided by the present invention;
FIG. 8 is a schematic view of a fixed simulation wall according to the present invention;
FIG. 9 is a schematic view of the connection between the fixing plate and the fixing simulation wall of the fixing plate inflating structure provided by the present invention;
FIG. 10 is a schematic view of the ground test device with a space expansion structure in an expanded state, provided by the invention;
FIG. 11 is a schematic view of a ground test device with a space expansion structure in a folded state according to the present invention;
1-universal wheel, 2-square frame, 3-tensioner, 4-fixed simulation wall, 5-leveling supporting foot and 6-guide rail.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
Referring to fig. 1 and 2, a left side view and a top view of a detachable combined space-spreading structure ground test device according to the present embodiment are respectively provided. A detachable combined type space expansion structure ground test device comprises a guide rail 6, a fixed simulation wall 4, universal wheels 1, leveling supporting legs 5, more than two square frames 2 and more than two assembling units;
the square frames 2 are longitudinally spliced into a long strip type truss; as shown in fig. 3, the fixed simulation wall 4 is installed at one end of the elongated truss, and the inner side of the fixed simulation wall 4 is used for installing an inflatable structure; the guide rail 6 is fixed on the upper part of the long strip-shaped truss; one end of the assembly unit can freely slide along the guide rail, and the other end of the assembly unit is fixedly connected with the inflatable structure. The universal wheel 1 and the leveling supporting foot 5 are arranged at the bottom of the square frame 2 and are used for moving and leveling the long strip type truss.
It should be noted that the expansion space of the inflatable structure is a strip-shaped truss formed by splicing square frames, each square frame is formed by a plurality of square aluminum pipes, through holes are formed in the positions where the square frames are contacted with each other, and the frames are fastened and connected through bolts, so that the inflatable structure is convenient to disassemble and assemble. The fixed simulation wall is installed on the floor frame, and the wall surface is vertically placed and placed on one side of the corridor-shaped expansion space. The size of the frame can be customized, and the frames are connected through bolts to build a fixing space for fixing the simulation wall and an expansion space for the inflatable structure. In addition, the universal wheels and the leveling supporting legs are arranged at the bottom of the vertical frame of the long strip type truss, so that the whole test device can be flexibly moved and leveled. Therefore, the ground test device for the space inflation unfolding structure has the advantages of simple structure, convenience in assembly and disassembly, changeable structural size, flexibility in movement and the like, and the test requirements of offsetting the gravity of the inflation structure and providing the unfolding space of the inflation structure are met.
Optionally, the assembly unit comprises a lifting ring pulley, a tensioner 3 and a lifting rope; referring to fig. 4, the structure of the assembly unit provided in this embodiment is schematically shown. The assembling units are uniformly distributed on the inflatable unfolding structure, and the required number of the assembling units is determined according to the length of the unfolding structure. As shown in fig. 5, the hoisting ring pulley comprises a hoisting ring and a pulley, wherein the pulley is installed inside the guide rail and can freely slide along the guide rail; the lifting rope is used for lifting the inflatable structure on each lifting ring pulley through the tensioner 3 through a plurality of connecting blocks arranged in the telescopic direction of the inflatable structure; specifically, as shown in fig. 6, one end of the tensioner 3 is a hook, and the other end is a metal ring, wherein the hook is hung on the hanging ring; one end of the lifting rope is tied to the metal ring, and the other end of the lifting rope is tied to the joint of the inflatable structure.
It should be noted that the connecting block arranged on the inflatable structure is shown in fig. 7, and a lifting rope hole is arranged on the connecting block, and the lifting rope passes through the lifting rope hole to be connected.
As shown in fig. 8, the fixed simulated wall 4 is provided with a fixing hole and an inflation hole, wherein an inflation head of the inflation structure passes through the inflation hole to be connected with an external inflation device, and a fixing plate of the inflation structure is connected and fastened with the fixing hole on the fixed simulated wall 4 through a bolt, as shown in fig. 9.
Referring to fig. 10 and 11, there are shown schematic views of the ground test device with the space expansion structure in the expanded state and the collapsed state, respectively. When the inflatable structure is in a compressed state, the assembly units are gathered together without mutual interference, and when the inflatable structure is inflated and unfolded, the inflatable structure drives the lifting rope, the tensioner 3 and the pulley to advance on the guide rail, so that the gravity of the inflatable structure is offset by the pulling force of the lifting rope.
The assembly method of the space expansion structure ground test device in the embodiment comprises the following steps:
1. firstly, determining the connecting surface of each square frame, and processing a bolt connecting hole at the connecting position;
2. the universal wheel and the leveling stud are installed at the bottom of the vertical square frame;
3. connecting the independent square frames through bolts to form a strip-shaped truss;
4. installing a guide rail with a pulley embedded inside on the top strip-shaped truss surface, and installing a tensioner, wherein the inflatable unfolding structure is connected with the tensioner through a lifting rope, so that a pulling force counteracting gravity occurs in the vertical direction;
5. a fixed direction frame for installing an inflatable panel, wherein the fixed direction frame is built by 5 independent square frames, and the inflatable panel is installed;
6. adopting a leveling supporting leg leveling test device;
7. an inflation head of the inflation unfolding structure passes through the fixed simulation wall, and the fixed plate is fixedly connected with the fixed simulation wall;
8. the unfolding test is carried out by inflating the inflatable unfolding structure by using an inflating device, such as an inflator pump.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it will be understood by those skilled in the art that various changes and modifications may be made herein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (4)
1. A detachable combined type space expansion structure ground test device is characterized by comprising a guide rail (6), a fixed simulation wall (4), more than two square frames (2) and more than two assembling units;
a plurality of square frames (2) are longitudinally spliced to form a doorframe type truss; the fixed simulation wall (4) is installed at one end of the doorframe type truss, and the inner side of the fixed simulation wall (4) is used for installing an inflatable structure; the guide rail (6) is fixed on the upper part of the doorframe type truss;
the assembling unit comprises a lifting ring pulley, a tensioner (3) and a lifting rope; the lifting ring pulley can freely slide along the guide rail; the lifting rope is arranged on the inflatable structure in the telescopic direction through a plurality of connecting blocks, and the inflatable structure is hung on each lifting ring pulley through a tensioner (3).
2. The ground test device for the detachable combined type space expansion structure of claim 1, wherein the fixed simulation wall (4) is provided with a fixing hole and an inflation hole, wherein an inflation head of the inflation structure passes through the inflation hole to be connected with an external inflation device, and a fixing plate of the inflation structure is connected and fastened with the fixing hole on the fixed simulation wall (4) through a bolt.
3. The ground test device for the detachable combined space expansion structure according to claim 1, further comprising universal wheels (1) and leveling supporting feet (5) installed at the bottom of the square frame (2) for moving and leveling the door frame type truss.
4. A demountable combined space-expanding structure ground test apparatus as set forth in claim 1, wherein said square frame (2) is formed of a plurality of square aluminum tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911405745.5A CN111086661A (en) | 2019-12-31 | 2019-12-31 | Can dismantle space of combination formula and expand structure ground test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911405745.5A CN111086661A (en) | 2019-12-31 | 2019-12-31 | Can dismantle space of combination formula and expand structure ground test device |
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| CN111086661A true CN111086661A (en) | 2020-05-01 |
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| CN201911405745.5A Pending CN111086661A (en) | 2019-12-31 | 2019-12-31 | Can dismantle space of combination formula and expand structure ground test device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112174029A (en) * | 2020-10-15 | 2021-01-05 | 四川九洲空管科技有限责任公司 | Mechanical lifting device capable of being adjusted in extensible mode |
| CN113212815A (en) * | 2021-05-31 | 2021-08-06 | 长光卫星技术有限公司 | Ground unfolding device suitable for solar wings in different structural forms |
-
2019
- 2019-12-31 CN CN201911405745.5A patent/CN111086661A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112174029A (en) * | 2020-10-15 | 2021-01-05 | 四川九洲空管科技有限责任公司 | Mechanical lifting device capable of being adjusted in extensible mode |
| CN113212815A (en) * | 2021-05-31 | 2021-08-06 | 长光卫星技术有限公司 | Ground unfolding device suitable for solar wings in different structural forms |
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