CN113772133B - Operating foot limiter in spacecraft cabin - Google Patents
Operating foot limiter in spacecraft cabin Download PDFInfo
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- CN113772133B CN113772133B CN202111098653.4A CN202111098653A CN113772133B CN 113772133 B CN113772133 B CN 113772133B CN 202111098653 A CN202111098653 A CN 202111098653A CN 113772133 B CN113772133 B CN 113772133B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/60—Crew or passenger accommodations
Abstract
The application provides an operation foot stopper in astronaut under-deck, includes: the foot fixing component is used for bearing and fixing the foot; and the clamping assembly is arranged at the bottom of the foot fixing assembly and is provided with a clamping space for clamping the to-be-clamped piece. The utility model provides an operation foot limiter in astronaut cabin has portablely, moreover, the steam generator is simple in structure, and convenient operation's advantage, mainly be applicable to carry out the centre gripping to the cylindric holder of treating in the cabin, for example the front and back awl bracing piece in the cabin, be used for bearing and fix the foot's fixed subassembly of foot and install the bottom at the fixed subassembly of foot through setting up, the centre gripping subassembly that is used for the centre gripping to treat the centre gripping space of holder has, when using, can adopt the centre gripping subassembly will treat the holder centre gripping, and it is fixed with the foot through the fixed subassembly of foot, thereby realized the fixed to astronaut foot, and then stabilized astronaut's health gesture, for astronaut in orbit under-deck maintenance equipment provides support, make things convenient for astronaut to carry out maintenance work in the cabin.
Description
Technical Field
The application relates to the technical field of operation in an astronaut cabin, in particular to an operating foot limiter in the astronaut cabin.
Background
In recent years, the construction of space stations is accelerated in China, the on-orbit operation time of the space stations is required to be as long as 15 years, and part of equipment in a cabin possibly breaks down in the period, so that the on-orbit maintenance and replacement are required to be carried out, and according to task analysis, the equipment mainly required to be maintained and replaced is distributed near three operation points, namely a front cone support rod, a rear cone support rod, a hard handrail and a rear cone triangular beam. Because the astronaut is in the microgravity state in the cabin, the foot can't be fixed when the equipment is maintained in the cabin, and the body gesture can't be stabilized, which brings inconvenience to the maintenance work. Therefore, the application provides a limiting device for the operating feet in the cabin of the astronaut.
Disclosure of Invention
The purpose of this application is to provide a kind of astronaut under-deck operation foot limiter to above problem.
The application provides an operation foot limiter in astronaut cabin includes:
the foot fixing component is used for bearing and fixing the foot;
and the clamping assembly is arranged at the bottom of the foot fixing assembly and is provided with a clamping space for clamping the to-be-clamped piece.
According to the technical scheme provided by the certain embodiments of the application, the foot fixing assembly comprises a pedal for bearing the foot and a fixing belt for fixing the foot on the pedal.
According to some embodiments of the present disclosure, the foot fixing assembly further includes a non-slip pad disposed on an upper surface of the foot board.
According to the technical scheme provided by some embodiments of the application, a first snap fastener and a second snap fastener are fixedly arranged on the upper surface of the pedal plate; the fixing belt is provided with a hook; one end of the fixing strap is fixed on the first buckle, and the other end of the fixing strap movably penetrates through the second buckle and is connected with the day buckle after reversing 180 degrees.
According to an aspect provided by some embodiments of the present application, the clamping assembly includes a first clamping portion and a second clamping portion; the first clamping part is fixed on the foot fixing component; one end of the first clamping part is hinged with one end of the second clamping part, and the other end of the first clamping part is rotatably connected with a stud; a first locking nut is connected to the stud in a threaded manner; and one end of the second clamping part, which is relatively far away from the hinged part, is provided with a slot for the stud to enter.
According to the technical scheme provided by some embodiments of the application, one end, relatively far away from the first clamping part, of the stud is provided with a limiting part for preventing the first locking nut from screwing out.
According to the technical scheme provided by some embodiments of the application, the spacecraft inboard operating foot limiter further comprises a first connecting component used for connecting a hard handrail; the first connecting assembly comprises two symmetrically arranged connecting blocks and a first connecting part for connecting the two connecting blocks; the connecting block is of a columnar structure, and a first accommodating through groove used for clamping the hard handrail is formed in the side wall of the connecting block; the connecting block can be detachably connected with the clamping assembly.
According to the technical scheme provided by some embodiments of the application, the connecting block is made of polytetrafluoroethylene materials.
According to the technical scheme provided by some embodiments of the application, the spacecraft inboard operating foot limiter further comprises a second connecting component for connecting a rear cone-shaped triangular beam; the second connecting assembly comprises a clamping pipe, a mounting plate and a second connecting part for connecting the clamping pipe and the mounting plate; the clamping pipe can be detachably connected with the clamping assembly; a second accommodating through groove for accommodating the rear cone triangular beam is formed in the mounting plate; and a second locking nut used for fixing the rear cone triangular beam is arranged at the bottom of the second accommodating through groove.
Compared with the prior art, the beneficial effect of this application: this operation foot limiter in astronaut cabin has portablely, moreover, the steam generator is simple in structure, and convenient operation's advantage, mainly be applicable to carry out the centre gripping to the cylindric holder of treating in the cabin, for example the front and back awl bracing piece in the cabin, be used for bearing and fixing the foot fixed subassembly of foot and install the bottom at the fixed subassembly of foot through setting up, the centre gripping subassembly that is used for the centre gripping to treat the centre gripping space of holder has, when using, can adopt the centre gripping subassembly will treat the holder centre gripping, and it is fixed with the foot to fix the subassembly through the foot, thereby realized the fixed to astronaut foot, and then stabilized astronaut's health gesture, for astronaut provides support at the orbit under-deck maintenance equipment, make things convenient for astronaut to carry out maintenance work in the cabin.
Drawings
Fig. 1 is a schematic structural diagram of a spacecraft in-cabin operation foot limiter provided in embodiment 1 of the present application;
fig. 2 is a schematic structural diagram of a foot fixing assembly of a spacecraft cabin operation foot limiter according to embodiment 1 of the present application;
fig. 3 is a schematic structural diagram of a clamping assembly of a spacecraft inboard working foot restraint provided in embodiment 1 of the present application;
fig. 4 is a schematic structural diagram of a spacecraft inboard operating foot limiter provided in embodiment 2 of the present application;
fig. 5 is a schematic structural diagram of a first connection assembly of a foot restraint for use in an aircraft cabin provided in embodiment 2 of the present application;
fig. 6 is a schematic structural diagram of a spacecraft inboard operating foot limiter provided in embodiment 3 of the present application;
fig. 7 is a schematic structural diagram of a second connection assembly of the spacecraft inboard working foot restraint provided in embodiment 3 of the present application.
The text labels in the figures are represented as:
1. a foot securing assembly; 101. a foot pedal; 102. fixing belts; 103. a non-slip mat; 104. a first clasp; 105. a second fastener; 106. a sun buckle;
2. a clamping assembly; 201. a first clamping portion; 202. a second clamping portion; 203. rotating the pin shaft; 204. a stud; 205. a first lock nut; 206. a limiting part;
3. a first connection assembly; 301. connecting blocks; 302. a first connecting member; 303. a first accommodating through groove;
4. a second connection assembly; 401. clamping the connecting pipe; 402. mounting a plate; 403. a second connecting member; 404. a second accommodating through groove; 405. and a second lock nut.
Detailed Description
The following detailed description of the present application is given for the purpose of enabling those skilled in the art to better understand the technical solutions of the present application, and the description in this section is only exemplary and explanatory, and should not be taken as limiting the scope of the present application in any way.
Example 1
Referring to fig. 1, the present embodiment provides a limiter for an operating foot in a spacecraft cabin, which includes a foot fixing component 1 and a clamping component 2; the foot fixing component 1 is used for bearing and fixing feet; the clamping component 2 is arranged at the bottom of the foot fixing component 1 and is provided with a clamping space for clamping a piece to be clamped.
As shown in fig. 2, the foot fixing assembly 1 includes a foot pedal 101 for carrying a foot and a fixing strap 102 for fixing the foot on the foot pedal 101; the foot pedal 101 is a rounded rectangle, and the upper surface thereof is a surface for contacting with the bottom of the foot of the astronaut, i.e. a bearing surface for bearing and supporting the foot.
Preferably, the upper surface of the pedal plate 101 is provided with a non-slip pad 103 for providing friction force to the bottom of the foot of the astronaut during operation; the anti-slip pad 103 can be made of rubber materials or silica gel materials; the non-slip mat 103 and the pedal plate 101 can be fixedly connected by means of adhesion, for example, adhesion is performed by GD414 silicone rubber.
Preferably, a first snap fastener 104 and a second snap fastener 105 are fixedly arranged on the upper surface of the pedal plate 101; the first buckle 104 and the second buckle 105 are oppositely arranged, and the first buckle 104 and the second buckle 105 are respectively positioned at the middle position of two relatively longer sides of the rectangular pedal plate 101; the fixing band 102 is provided with a hook 106; one end of the fixing strap 102 is fixed on the first buckle 104, and the other end of the fixing strap movably passes through the second buckle 105 and is connected with the sun buckle 106 after reversing 180 degrees; the fixing band 102 is made of nylon and silk materials; the first clasp 104, the second clasp 105 and the sun clasp 106 are arranged to be matched with the fixing band 102, so that the fixing band 102 has a function of being convenient to adjust to adapt to astronauts with different foot sizes.
When the foot fixing device is used, the foot of the astronaut is positioned between the first buckle 104 and the second buckle 105, and the foot of the astronaut can be quickly fixed by adjusting the relative position relationship between the free end of the fixing band 102 and the Chinese character ri buckle 106.
In this embodiment, the number of the clamping assemblies 2 is two; the two clamping assemblies 2 are symmetrically arranged at the bottom of the pedal plate 101, and the clamping assemblies 2 are positioned at the middle positions of two relatively longer sides of the rectangular pedal plate 101, namely, the two clamping assemblies 2 correspond to the first mouth buckle 104 and the second mouth buckle 105 respectively.
As shown in fig. 3, the clamping assembly 2 includes a first clamping portion 201 and a second clamping portion 202; the first clamping portion 201 and the second clamping portion 202 are similar in structure and both have an arc-shaped clamping section and a straight connecting section; the arc-shaped clamping section of the first clamping part 201 is relatively far away from the end part of the straight connecting section of the first clamping part, and is hinged with the end part of the arc-shaped clamping section of the second clamping part 202 relatively far away from the straight connecting section of the second clamping part through a rotating pin shaft 203; when the first clamping part 201 and the second clamping part 202 are buckled, arc-shaped clamping sections of the first clamping part and the second clamping part enclose a circular clamping space for clamping a piece to be clamped; the outer part of the arc-shaped clamping section of the first clamping part 201 is fixed on the foot fixing component 1 for providing clamping force when the foot limiter is fixed, in this embodiment, the first clamping part 201 is fixed on the lower surface of the pedal plate 101 by welding; one end of the straight connecting section of the first clamping part 201, which is relatively far away from the arc clamping section of the first clamping part, is rotatably connected with a stud 204; the direction of a rotatable rotating shaft of the stud 204 is parallel to the direction of the central axis of the circular clamping space; one end of the straight connecting section of the second clamping part 202, which is relatively far away from the arc clamping section of the second clamping part, is provided with a slot for the stud 204 to enter; a first locking nut 205 is connected to the stud 204 in a threaded manner; the first locking nut 205 is a wing nut.
Preferably, a limiting part 206 for preventing the first locking nut 205 from being screwed out is arranged at one end of the stud 204 relatively far away from the first clamping part 201; the stop portion 206 is configured to prevent the first lock nut 205 from being removed from the free end of the stud 204.
When the clamping device is used, the first locking nut 205 is loosened, the stud 204 is rotated to rotate out of the groove of the second clamping portion 202, then the second clamping portion 202 is rotated to enable the straight connecting section of the second clamping portion 202 to rotate towards the direction relatively far away from the straight connecting section of the first clamping portion 201, namely, the circular clamping space is opened and placed into a member to be clamped, the second clamping portion 202 is rotated in the opposite direction to enable the circular clamping space to be closed to clamp the member to be clamped, then the stud 204 is rotated in the opposite direction to enable the stud 204 to enter the groove of the second clamping portion 202, the first locking nut 205 is screwed, so that the straight connecting section of the first clamping portion 201 and the straight connecting section of the second clamping portion 202 are mutually pressed, and installation is completed.
This operation foot limiter in astronaut cabin that this embodiment provided has portablely, moreover, the steam generator is simple in structure, and convenient operation's advantage, mainly be applicable to carry out the centre gripping to the cylindric holder of treating in the cabin, for example the front and back awl bracing piece in the cabin, be used for bearing and fixing the foot fixed subassembly of foot and install the bottom at the fixed subassembly of foot through setting up, the centre gripping subassembly that is used for the centre gripping to treat the centre gripping space of holder has, when using, can adopt centre gripping subassembly to taper bracing piece centre gripping around with, and it is fixed with the foot through the fixed subassembly of foot, thereby realized the fixed to astronaut foot, and then stabilized astronaut's health gesture, for astronaut in-orbit cabin maintenance equipment provides support, make things convenient for astronaut cone bracing piece annex to carry out maintenance work around in the cabin.
Example 2
As shown in fig. 4, the present embodiment further includes a first connecting component 3 for connecting a hard handrail on the basis of embodiment 1; the hard handrail is a conventional component in the spacecraft cabin and has an elongated rod-shaped part which, due to its relatively small diameter, cannot be clamped directly by the clamping assembly 2, so that a swivel is designed as the first connection assembly 3.
As shown in fig. 5, the first connecting assembly 3 includes two connecting blocks 301 symmetrically arranged and a first connecting member 302 connecting the two connecting blocks 301; the connecting block 301 is made of polytetrafluoroethylene materials and is of a cylindrical structure, and a first accommodating through groove 303 used for clamping the hard handrail is formed in the side wall of the connecting block; the first connecting components 302 are two connecting rods, and two ends of each connecting rod are respectively connected with the adjacent connecting blocks 301 in a threaded connection mode; the connecting block 301 can be detachably connected to the clamping assembly 2, and the installation method of the connecting block and the clamping assembly 2 is the same as that in embodiment 1, and therefore, the description is omitted here.
When the connecting device is used, the connecting block 301 of the first connecting component 3 is firstly sleeved on the hard handrail to form switching, then the first connecting component 3 is clamped by the clamping component 2, and during clamping, the two clamping components 2 respectively and correspondingly clamp the two connecting blocks 301.
This interior operation foot limiter of astronaut cabin that this embodiment provided has portablely, moreover, the steam generator is simple in structure, and convenient operation's advantage, mainly be applicable to carry out the centre gripping to the cabin stereoplasm handrail, when using, adopt the centre gripping subassembly with stereoplasm handrail centre gripping, and it is fixed with the foot through the fixed subassembly of foot, thereby realized the fixed to the astronaut foot, and then stabilized astronaut's health gesture, for astronaut provides support at the rail cabin in service equipment, make things convenient for astronaut to carry out maintenance work at cabin stereoplasm handrail annex.
Example 3
As shown in fig. 6, the present embodiment further includes a second connecting assembly 4 for connecting the rear triangular pyramid beam, on the basis of embodiment 1; the rear cone-shaped triangular beam is a conventional part in a spacecraft cabin, the cross section shape of the rear cone-shaped triangular beam determines that the rear cone-shaped triangular beam cannot be directly clamped by the clamping assembly 2, and therefore a transition piece of the second connecting assembly 4 is designed.
As shown in fig. 7, the second connection assembly 4 includes a bayonet tube 401, a mounting plate 402, and a second connection part 403 connecting the bayonet tube 401 and the mounting plate 402; the clamping pipe 401 is an aluminum pipe; the second connecting part 403 comprises two connecting strips; the clamping pipe 401, the mounting plate 402 and the two connecting strips form a hollow rectangular frame in a surrounding manner, the length of each connecting strip is greater than one half of the longer side of the rectangular pedal plate 101, the distance between the two connecting strips is greater than the length of the shorter side of the rectangular pedal plate 101, and a rectangular space formed by the hollow rectangular frame is used for reserving an operation space for mounting the foot fixing component 1; a second accommodating through groove 404 for accommodating the rear triangular pyramid beam is formed in the bottom of the mounting plate 402, and a second locking nut 405 for fixing the rear triangular pyramid beam is arranged at the bottom of the second accommodating through groove 404; the rear cone triangular beam is provided with a threaded hole; the connecting tube 401 can be detachably connected to the clamping assembly 2, and the installation method of the connecting tube and the clamping assembly 2 is the same as that in embodiment 1, and therefore, the details are not repeated here.
When in use, the rear cone-shaped triangular beam is firstly installed in the second accommodating through groove 404 of the installing plate 402 of the second connecting component 4 and is locked and fixed by the second locking nut 405, and then the clamping pipe 401 of the second connecting component 4 is clamped by the clamping component 2.
This interior operation foot limiter of astronaut cabin that this embodiment provided has portablely, moreover, the steam generator is simple in structure, and convenient operation's advantage, mainly be applicable to carry out the centre gripping to the back awl triangular beam in the cabin, when using, adopt the centre gripping subassembly with back awl triangular beam centre gripping, and it is fixed with the foot through the fixed subassembly of foot, thereby realized the fixed to astronaut foot, and then stabilized astronaut's health gesture, for astronaut provides support at the in orbit under-deck maintenance of equipment, make things convenient for astronaut to carry out maintenance work at the back awl triangular beam annex in the cabin.
According to task analysis, equipment which is mainly required to be maintained and replaced in the spacecraft cabin is distributed near three operating points of a front cone supporting rod, a rear cone supporting rod, a hard handrail and a rear cone triangular beam; the application provides an operation foot limiter in astronaut cabin has realized the quick fixed of three operation points in front and back awl bracing piece, stereoplasm handrail, back awl triangular beam to play the effect of stabilizing astronaut's health gesture, provide support for astronaut in the cabin maintenance of equipment.
The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are no specific structures which are objectively limitless due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the technical features mentioned above can be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention in other instances, which may or may not be practiced, are intended to be within the scope of the present application.
Claims (8)
1. An intra-aircraft-cabin operating foot limiter, comprising:
the foot fixing component (1) is used for bearing and fixing the foot;
the clamping component (2) is arranged at the bottom of the foot fixing component (1) and is provided with a clamping space for clamping a piece to be clamped;
a first connecting component (3) used for connecting the hard handrail; the first connecting component (3) comprises two connecting blocks (301) which are symmetrically arranged and a first connecting part (302) which connects the two connecting blocks (301); the connecting block (301) is of a columnar structure, and a first accommodating through groove (303) used for clamping and connecting the hard handrail is formed in the side wall of the connecting block; the connecting block (301) can be detachably connected with the clamping component (2).
2. An intra-aircraft-cabin service foot restraint according to claim 1, characterized in that the foot securing assembly (1) comprises a foot pedal (101) for carrying a foot and a securing strap (102) for securing the foot on the foot pedal (101).
3. An intra-flight-crew-bay working foot limiter according to claim 2, wherein the foot fixing assembly (1) further comprises a non-slip mat (103) provided on the upper surface of the footboard (101).
4. The spacecraft inboard operating foot limiter according to claim 2, wherein the upper surface of the pedal plate (101) is fixedly provided with a first snap fastener (104) and a second snap fastener (105); the fixing belt (102) is provided with a day buckle (106); one end of the fixing belt (102) is fixed on the first buckle (104), and the other end of the fixing belt movably penetrates through the second buckle (105) and is connected with the sun buckle (106) after reversing 180 degrees.
5. The spacecraft inboard working foot restraint according to claim 1, wherein the clamping assembly (2) comprises a first clamping portion (201) and a second clamping portion (202); the first clamping part (201) is fixed on the foot fixing component (1); one end of the first clamping part (201) is hinged with one end of the second clamping part (202), and the other end of the first clamping part is rotatably connected with a stud (204); a first locking nut (205) is connected to the stud (204) in a threaded manner; and one end of the second clamping part (202) relatively far away from the hinged joint is provided with a slot for the stud (204) to enter.
6. The spacecraft inboard working foot limiter according to claim 5, wherein one end of the stud (204) relatively far away from the first clamping part (201) is provided with a limiting part (206) for preventing the first locking nut (205) from being unscrewed.
7. The spacecraft inboard service foot restraint of claim 1, wherein the connecting block (301) is fabricated from a polytetrafluoroethylene material.
8. The spacecraft inboard working foot restraint according to claim 1, further comprising a second connection assembly (4) for connecting a rear triangular pyramid; the second connection assembly (4) comprises a bayonet tube (401), a mounting plate (402) and a second connection part (403) connecting the bayonet tube (401) and the mounting plate (402); the clamping pipe (401) can be detachably connected with the clamping assembly (2); a second accommodating through groove (404) for accommodating the rear cone triangular beam is formed in the mounting plate (402); and a second locking nut (405) for fixing the rear cone triangular beam is arranged at the bottom of the second accommodating through groove (404).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111098653.4A CN113772133B (en) | 2021-09-18 | 2021-09-18 | Operating foot limiter in spacecraft cabin |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111098653.4A CN113772133B (en) | 2021-09-18 | 2021-09-18 | Operating foot limiter in spacecraft cabin |
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| CN113772133A CN113772133A (en) | 2021-12-10 |
| CN113772133B true CN113772133B (en) | 2022-06-07 |
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| CN114162352B (en) * | 2021-12-16 | 2023-11-10 | 北京卫星环境工程研究所 | Portable foot limiter for extravehicular activities of astronauts |
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| CN106593177A (en) * | 2016-07-08 | 2017-04-26 | 北京卫星环境工程研究所 | Large vacuum container gate operation mechanism |
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| DE3908376A1 (en) * | 1989-03-15 | 1990-09-27 | Erno Raumfahrttechnik Gmbh | Micro-g neutral platform for space flight missions |
| US8328458B2 (en) * | 2007-07-20 | 2012-12-11 | Twin Bay Medical, Inc. | Sanitary clamp |
| CN104414021A (en) * | 2013-09-11 | 2015-03-18 | 刘焕玉 | Shoe heels |
| CN207119105U (en) * | 2017-07-13 | 2018-03-20 | 华钦树 | A kind of skid resistance electric power pole climbing device |
| CN208354725U (en) * | 2018-04-03 | 2019-01-11 | 天津天星科生皮革制品有限公司 | A kind of adjustment type steelframe that security performance is high climbing footware |
| CN209237275U (en) * | 2018-12-25 | 2019-08-13 | 石家庄奋强电力器具有限公司 | A kind of portable power engineering lineman climber |
| CN209976612U (en) * | 2019-04-08 | 2020-01-21 | 锋宏泰尼克精密件技术（昆山）有限公司 | From car booster and engine pipe connection spare of taking bolt |
| CN212718399U (en) * | 2020-07-13 | 2021-03-16 | 科尔帕默实验设备(上海)有限公司 | Plastic pipe clamp |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106593177A (en) * | 2016-07-08 | 2017-04-26 | 北京卫星环境工程研究所 | Large vacuum container gate operation mechanism |
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