CN112498755A - Air floatation suspension type gravity unloading device for space deployable mechanism - Google Patents
Air floatation suspension type gravity unloading device for space deployable mechanism Download PDFInfo
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- CN112498755A CN112498755A CN202110008409.8A CN202110008409A CN112498755A CN 112498755 A CN112498755 A CN 112498755A CN 202110008409 A CN202110008409 A CN 202110008409A CN 112498755 A CN112498755 A CN 112498755A
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- guide rail
- air
- base plate
- transverse guide
- air floating
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- 230000007246 mechanism Effects 0.000 title claims abstract description 41
- 230000005484 gravity Effects 0.000 title claims abstract description 21
- 239000000725 suspension Substances 0.000 title claims description 7
- 239000000758 substrate Substances 0.000 claims description 22
- 210000003437 trachea Anatomy 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 238000013016 damping Methods 0.000 abstract description 4
- 239000000178 monomer Substances 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 5
- 238000005188 flotation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000005486 microgravity Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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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- Engineering & Computer Science (AREA)
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- Aviation & Aerospace Engineering (AREA)
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Abstract
The invention discloses an air-floatation hanging type gravity unloading device for a space deployable mechanism, which comprises a mounting base plate and a top air-floatation block, wherein a support rod and a guide rail connecting side plate are sequentially arranged above the mounting base plate from left to right, and a bottom base plate, a first bottom air-floatation block and a top base plate are sequentially arranged on the left side of the guide rail connecting side plate from bottom to top. This an air supporting hanging formula gravity uninstallation device for space deployable mechanism, compare with current ordinary air supporting hanging formula gravity uninstallation device, adopt the air supporting principle, the low damping motion of deployable mechanism product has been realized, avoid mechanical bearing high damping and damage each item experimental failure that leads to in the use, the uniformity of experimental precision has been guaranteed, the linear air supporting sliding sleeve mechanism of mechanism has been surrounded to the side of having realized exempting from, the thickness of monomer linear mechanism has been reduced simultaneously, the two-dimensional motion of horizontal air supporting slider on the space plane has been realized, the realization is to the balanced running mechanism of the super long distance linear guide rail that has the support mode.
Description
Technical Field
The invention relates to the technical field of deployable mechanisms, in particular to an air-floatation hanging type gravity unloading device for a space deployable mechanism.
Background
With the increasing of the structural size of a space unfolding mechanism of a part of space mission requirements, the weight of the space unfolding mechanism is increased, for example, the length of a certain high-power solar wing after being unfolded exceeds 10 meters, a single solar panel exceeds ten kilograms, and the weight of a certain single plate reaches hundreds of kilograms, the friction resistance of a unfolding test microgravity simulation device adopting a traditional mechanical bearing is obviously increased due to the weight change, and the ground unfolding test requirements of the space unfolding mechanism with large size and high weight cannot be met.
A general air-flotation hanging type gravity unloading device adopts a traditional mechanical bearing unfolding test microgravity simulation device, the increase of the friction resistance is obvious, the ground unfolding test requirements of space mechanisms with large size and high weight cannot be met, the use requirements of people cannot be well met, and technical innovation is performed on the basis of the existing air-flotation hanging type gravity unloading device aiming at the conditions.
Disclosure of Invention
The invention aims to provide an air-float suspension type gravity unloading device for a space deployable mechanism, which aims to solve the problem that the general use requirement of people cannot be well met in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an air-float suspension type gravity unloading device for a space expandable mechanism comprises a mounting substrate and a top air-float block, wherein a support rod and a guide rail connection side plate are sequentially arranged above the mounting substrate from left to right, a bottom substrate, a first bottom air-float block and a top substrate are sequentially arranged on the left side of the guide rail connection side plate from bottom to top, the top air-float block is positioned at the lower end of the middle part of the top substrate, a longitudinal guide rail is arranged below the top air-float block, an outer side substrate is fixed on the left side of the top substrate, an adjusting jackscrew is arranged on the left side of the outer side substrate, an outer side air-float block is fixed at the lower end of the right side of the outer side substrate, an air supply hose is connected above the outer side air-float block, a transverse guide rail is connected to the right side of the guide rail connection side plate, a transverse guide rail top air-float block is arranged above the middle, and the upper end of horizontal guide rail curb plate is provided with horizontal guide rail curb plate screw, horizontal guide rail bottom base plate is installed to the front end of horizontal guide rail curb plate, and the lower extreme of horizontal guide rail curb plate is connected with the hanging connecting wire, the lower extreme of hanging the connecting wire is connected with the product of hanging, the below of horizontal guide rail is provided with second bottom air supporting block, and the left side of second bottom air supporting block is connected with main trachea, main trachea's upper end is connected with supplementary trachea along separate routes.
Preferably, the outer air floating block forms a telescopic structure with the outer substrate through adjusting the jackscrew, and the outer air floating block is fixedly connected with the air supply hose.
Preferably, the top substrate and the longitudinal guide rail form a sliding structure through the top air floating block, and the top substrate and the top air floating block are fixedly connected.
Preferably, the guide rail connecting side plates are fixedly connected with the transverse guide rail, and the guide rail connecting side plates are symmetrically distributed around the central line of the transverse guide rail.
Preferably, the air floating blocks on the top of the transverse guide rail form a sliding structure through the transverse guide rails, and the air floating blocks on the top of the transverse guide rail are of an inverted V-shaped structure.
Preferably, the cross guide rail side plates form a connecting structure with the air floating blocks on the top of the cross guide rail through cross guide rail side plate screws, and the cross guide rail side plates are symmetrically distributed around the central line of the air floating blocks on the top of the cross guide rail.
Preferably, the main air pipe and the top air floating block form a communicating structure through an air supply hose, and the main air pipe and the auxiliary air pipe form a communicating structure in a shunt way.
Preferably, the bottom base plate is fixedly connected with the guide rail connecting side plate, and the upper surface of the bottom base plate is attached to the lower surface of the first bottom air floating block.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through the arrangement of the mounting base plate, the outer side base plate, the top base plate, the guide rail connecting side plates, the transverse guide rail top air floating blocks, transverse guide rail side plate screws and the transverse guide rail side plates, the guide rail connecting side plates are symmetrically distributed about the center line of the transverse guide rail, the transverse guide rail side plates are symmetrically distributed about the center line of the transverse guide rail top air floating blocks, the balanced operation mechanism of the ultra-long distance linear guide rail with a support mode is realized through the group use of the non-fully-surrounding air floating sliding sleeve mechanism, the non-planar air floating surface structures are distributed on the upper projection surface and the lower projection surface to realize the linear air floating sliding sleeve mechanism free of the side surrounding mechanism, the thickness of the single linear mechanism is reduced, and the hanging point spacing of the grouped guide rails is further;
2. according to the invention, through the arrangement of the outer side base plate, the outer side air floating block, the longitudinal guide rail, the top air floating block, the top base plate, the air supply hose, the guide rail connecting side plate, the transverse guide rail top air floating block, the first bottom air floating block and the second bottom air floating block, the transverse guide rail top air floating block forms a sliding structure through the transverse guide rails, the top base plate forms a sliding structure through the top air floating block and the longitudinal guide rail, the air floating principle is adopted, the low damping movement of a product of the unfolding mechanism is realized through the combined air floating mode, the transverse guide rail moves on the longitudinal guide rail, and the transverse guide rail top air floating block moves on the transverse guide rail, so that the two-dimensional movement of the transverse guide rail top air floating block on a spatial plane is realized.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic perspective view of a cross rail top air-floating block according to the present invention.
In the figure: 1. a mounting substrate; 2. a support rod; 3. adjusting a jackscrew; 4. an outer substrate; 5. an outer air-bearing block; 6. a longitudinal guide rail; 7. a top air-bearing block; 8. a top substrate; 9. an air supply hose; 10. the guide rail is connected with the side plate; 11. a transverse guide rail; 12. the air floating block is arranged on the top of the transverse guide rail; 13. cross rail side plate screws; 14. a lateral rail side plate; 15. a cross rail bottom substrate; 16. auxiliary trachea shunting; 17. hanging the product; 18. a main air pipe; 19. hanging the connecting line; 20. a first bottom air bearing block; 21. a bottom substrate; 22. a second bottom air-bearing block.
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.
Referring to fig. 1-3, the present invention provides a technical solution: an air-float suspension type gravity unloading device for a space expandable mechanism comprises a mounting base plate 1 and a top air-float block 7, wherein a supporting rod 2 and a guide rail connecting side plate 10 are sequentially arranged above the mounting base plate 1 from left to right, a bottom base plate 21, a first bottom air-float block 20 and a top base plate 8 are sequentially arranged on the left side of the guide rail connecting side plate 10 from bottom to top, the guide rail connecting side plate 10 is fixedly connected with a transverse guide rail 11, the guide rail connecting side plates 10 are symmetrically distributed around the central line of the transverse guide rail 11, the bottom base plate 21 is fixedly connected with the guide rail connecting side plate 10, the upper surface of the bottom base plate 21 is attached to the lower surface of the first bottom air-float block 20, the top air-float block 7 is positioned at the lower end of the middle part of the top base plate 8, a longitudinal guide rail 6 is arranged below the top air-float block 7, the top base plate 8 forms a sliding structure with the longitudinal, the top substrate 8 and the top air floating block 7 are fixedly connected, through the arrangement of the outer substrate 4, the outer air floating block 5, the longitudinal guide rail 6, the top air floating block 7, the top substrate 8, the air supply hose 9, the guide rail connecting side plate 10, the transverse guide rail 11, the transverse guide rail top air floating block 12, the first bottom air floating block 20 and the second bottom air floating block 22, the transverse guide rail top air floating block 12 forms a sliding structure through the transverse guide rail 11, the top substrate 8 forms a sliding structure through the top air floating block 7 and the longitudinal guide rail 6, the low-damping movement of the unfolding mechanism product is realized through an air floating combined mode by adopting an air floating principle, the transverse guide rail 11 moves on the longitudinal guide rail 6, and the transverse guide rail top air floating block 12 moves on the transverse guide rail 11, so that the transverse guide rail top air floating block 12 moves on a spatial plane;
the left side of top base plate 8 is fixed with outside base plate 4, and adjustment jackscrew 3 is installed in the left side of outside base plate 4, the right side lower extreme of outside base plate 4 is fixed with outside air supporting piece 5, and the top of outside air supporting piece 5 is connected with air supply hose 9, constitute extending structure between outside air supporting piece 5 and outside base plate 4 through adjustment jackscrew 3, and be fixed connection between outside air supporting piece 5 and the air supply hose 9, the right side of guide rail hookup curb plate 10 is connected with transverse guide rail 11, and the middle part top of transverse guide rail 11 is provided with transverse guide rail top air supporting piece 12, transverse guide rail top air supporting piece 12 passes through and constitutes sliding structure between transverse guide rail 11, and transverse guide rail top air supporting piece 12 is the type of falling V structure, transverse guide rail curb plate 14 is installed to the front and back both sides of transverse guide rail top air supporting piece 12, and the upper end of transverse guide rail curb plate 14 is provided with transverse guide rail curb plate screw 13, transverse guide rail curb plate 14 passes through and constitutes between transverse guide The side plates 14 of the cross guide rail are symmetrically distributed about the central line of the air floating block 12 at the top of the cross guide rail, through the arrangement of the installation base plate 1, the outer base plate 4, the top base plate 8, the guide rail connecting side plates 10, the transverse guide rails 11, the transverse guide rail top air floating blocks 12, the transverse guide rail side plate screws 13 and the transverse guide rail side plates 14, the guide rail connecting side plates 10 are symmetrically distributed around the central line of the transverse guide rail 11, the transverse guide rail side plates 14 are symmetrically distributed around the central line of the transverse guide rail top air floating blocks 12, the balance operation mechanism of the ultra-long distance linear guide rail with a supporting mode is realized by using the non-fully-enclosed air-floating sliding sleeve mechanisms in groups, the linear air-floatation sliding sleeve mechanism of the side surface surrounding-free mechanism is realized by arranging non-planar air-floatation surface structures on the upper projection surface and the lower projection surface, meanwhile, the thickness of the single linear mechanism is reduced, and the lifting point spacing of the grouped guide rails is further reduced through staggered arrangement;
the transverse guide rail bottom base plate 15 is installed to the front end of transverse guide rail side plate 14, and the lower extreme of transverse guide rail side plate 14 is connected with hanging connecting wire 19, the lower extreme of hanging connecting wire 19 is connected with hanging product 17, the below of transverse guide rail 11 is provided with second bottom air supporting block 22, and the left side of second bottom air supporting block 22 is connected with main trachea 18, the upper end of main trachea 18 is connected with supplementary trachea shut 16, constitute the intercommunication column structure between main trachea 18 and the supplementary trachea shut 16 through air supply hose 9 and top air supporting block 7, and constitute the intercommunication column structure between main trachea 18 and the supplementary trachea shut 16.
The working principle is as follows: when the air-float suspension type gravity unloading device for the space expandable mechanism is used, firstly, the longitudinal guide rail 6 is arranged on the installation base plate 1, the space height and the space position of each supporting point of the longitudinal guide rail 6 are adjusted through the supporting rod 2, so that the two longitudinal guide rails 6 are parallel to each other in space, the transverse guide rail 11 is arranged on the longitudinal guide rail 6 through the outer side base plate 4, the top base plate 8 and the guide rail connecting side plate 10, the transverse guide rail 11 is leveled through adjusting the jackscrew 3, the air supply hose 9 is wired, the outer side air floating block 5, the top air floating block 7, the transverse guide rail top air floating block 12, the first bottom air floating block 20 and the second bottom air floating block 22 are respectively connected with the air supply hose 9, then compressed air is led to the main air pipe 18, so that the outer side air floating block 5, the top air floating block 7, the transverse guide rail top air floating block 12, the first bottom air floating block 20 and the second bottom air floating block 22 move, observing the motion state to ensure that the air path does not interfere with the motion of the slide block, testing the friction force under the suspended product 17, and finally connecting the target mechanism with the air floating block 12 at the top of the transverse guide rail, which is the working principle of the air floating suspended gravity unloading device for the space deployable mechanism.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an air supporting suspension type gravity uninstallation device for but space expanding mechanism, includes mounting substrate (1) and top air supporting piece (7), its characterized in that: the upper part of the mounting base plate (1) is sequentially provided with a support rod (2) and a guide rail connecting side plate (10) from left to right, the left side of the guide rail connecting side plate (10) is sequentially provided with a bottom base plate (21), a first bottom air floating block (20) and a top base plate (8) from bottom to top, the top air floating block (7) is positioned at the lower end of the middle part of the top base plate (8), a longitudinal guide rail (6) is arranged below the top air floating block (7), the left side of the top base plate (8) is fixed with an outer side base plate (4), an adjusting jackscrew (3) is arranged at the left side of the outer side base plate (4), the lower end of the right side of the outer side base plate (4) is fixed with an outer side air floating block (5), an air supply hose (9) is connected above the outer side air floating block (5), the right side of the guide rail connecting side plate (10) is connected with a transverse guide rail (11), and a transverse guide, horizontal guide rail curb plate (14) are installed to both sides around horizontal guide rail top air supporting block (12), and the upper end of horizontal guide rail curb plate (14) is provided with horizontal guide rail curb plate screw (13), horizontal guide rail bottom base plate (15) are installed to the front end of horizontal guide rail curb plate (14), and the lower extreme of horizontal guide rail curb plate (14) is connected with and hangs coupling line (19), the lower extreme of hanging coupling line (19) is connected with and hangs product (17), the below of horizontal guide rail (11) is provided with second bottom air supporting block (22), and the left side of second bottom air supporting block (22) is connected with main trachea (18), the upper end of main trachea (18) is connected with auxiliary trachea along separate routes (16).
2. An air-float suspended gravity unloading device for a space deployable mechanism according to claim 1, characterized in that: the outer side air floating block (5) is of a telescopic structure formed between the adjusting jackscrew (3) and the outer side base plate (4), and the outer side air floating block (5) is fixedly connected with the air supply hose (9).
3. An air-float suspended gravity unloading device for a space deployable mechanism according to claim 1, characterized in that: the top base plate (8) forms a sliding structure with the longitudinal guide rail (6) through the top air floating block (7), and the top base plate (8) is fixedly connected with the top air floating block (7).
4. An air-float suspended gravity unloading device for a space deployable mechanism according to claim 1, characterized in that: the guide rail connecting side plates (10) are fixedly connected with the transverse guide rail (11), and the guide rail connecting side plates (10) are symmetrically distributed around the central line of the transverse guide rail (11).
5. An air-float suspended gravity unloading device for a space deployable mechanism according to claim 1, characterized in that: the transverse guide rail top air floating blocks (12) form a sliding structure through the transverse guide rails (11), and the transverse guide rail top air floating blocks (12) are of an inverted V-shaped structure.
6. An air-float suspended gravity unloading device for a space deployable mechanism according to claim 1, characterized in that: the transverse guide rail side plates (14) form a connecting structure with the transverse guide rail top air floating blocks (12) through transverse guide rail side plate screws (13), and the transverse guide rail side plates (14) are symmetrically distributed around the central line of the transverse guide rail top air floating blocks (12).
7. An air-float suspended gravity unloading device for a space deployable mechanism according to claim 1, characterized in that: the main air pipe (18) and the top air floating block (7) form a communicated structure through the air supply hose (9), and the main air pipe (18) and the auxiliary air pipe branch (16) form a communicated structure.
8. An air-float suspended gravity unloading device for a space deployable mechanism according to claim 1, characterized in that: the bottom base plate (21) is fixedly connected with the guide rail connecting side plate (10), and the upper surface of the bottom base plate (21) is attached to the lower surface of the first bottom air floating block (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110008409.8A CN112498755A (en) | 2021-01-05 | 2021-01-05 | Air floatation suspension type gravity unloading device for space deployable mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110008409.8A CN112498755A (en) | 2021-01-05 | 2021-01-05 | Air floatation suspension type gravity unloading device for space deployable mechanism |
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| CN112498755A true CN112498755A (en) | 2021-03-16 |
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| CN202110008409.8A Pending CN112498755A (en) | 2021-01-05 | 2021-01-05 | Air floatation suspension type gravity unloading device for space deployable mechanism |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3144688U (en) * | 2008-06-10 | 2008-09-11 | 惣一郎 釼持 | Air flotation runway |
| CN106218926A (en) * | 2016-07-20 | 2016-12-14 | 上海宇航系统工程研究所 | A kind of low resistance suspension suspension type developing test device |
| CN109515770A (en) * | 2018-12-13 | 2019-03-26 | 上海宇航系统工程研究所 | High-mechanic low friction suspension type antenna discharge mechanism |
| CN110901966A (en) * | 2019-11-29 | 2020-03-24 | 北京卫星制造厂有限公司 | Air floatation suspension type gravity unloading device for space deployable mechanism |
| CN111470074A (en) * | 2020-05-18 | 2020-07-31 | 泰州致精精密装备有限公司 | Walking device based on air floatation sliding |
| CN111532459A (en) * | 2020-05-18 | 2020-08-14 | 泰州致精精密装备有限公司 | High-precision air flotation truss for simulating space weightless state |
-
2021
- 2021-01-05 CN CN202110008409.8A patent/CN112498755A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3144688U (en) * | 2008-06-10 | 2008-09-11 | 惣一郎 釼持 | Air flotation runway |
| CN106218926A (en) * | 2016-07-20 | 2016-12-14 | 上海宇航系统工程研究所 | A kind of low resistance suspension suspension type developing test device |
| CN109515770A (en) * | 2018-12-13 | 2019-03-26 | 上海宇航系统工程研究所 | High-mechanic low friction suspension type antenna discharge mechanism |
| CN110901966A (en) * | 2019-11-29 | 2020-03-24 | 北京卫星制造厂有限公司 | Air floatation suspension type gravity unloading device for space deployable mechanism |
| CN111470074A (en) * | 2020-05-18 | 2020-07-31 | 泰州致精精密装备有限公司 | Walking device based on air floatation sliding |
| CN111532459A (en) * | 2020-05-18 | 2020-08-14 | 泰州致精精密装备有限公司 | High-precision air flotation truss for simulating space weightless state |
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Application publication date: 20210316 |
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