CN111001103B - Maintenance fixing device under weightless environment - Google Patents
Maintenance fixing device under weightless environment Download PDFInfo
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- CN111001103B CN111001103B CN201911213329.5A CN201911213329A CN111001103B CN 111001103 B CN111001103 B CN 111001103B CN 201911213329 A CN201911213329 A CN 201911213329A CN 111001103 B CN111001103 B CN 111001103B
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
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Abstract
The application discloses a maintenance fixing device in a weightless environment, which comprises a bearing unit, a right-angle adjusting unit and a clamping unit, wherein the bearing unit is provided with a foot stopper for fixing maintenance personnel, the right-angle adjusting unit can translate and rotate around the bearing unit, and the clamping unit can rotate around the axis of a first adjusting rod of the right-angle adjusting unit; like this, through the setting of a plurality of rotational degrees of freedom, can make this maintenance fixing device change maintenance personal's fixed position and maintenance angle according to the actual conditions of maintenance point to solved the technical problem that preset foot stopper produced the restriction to maintenance personal's fixed position and angle, realized changing the fixed station of maintenance personal position and the technological effect of angle according to the actual conditions of maintenance point.
Description
Technical Field
The invention relates to the technical field of maintenance tools, in particular to a maintenance fixing device in a weightless environment.
Background
The movement of people is limited and uncontrollable in a weightless or microgravity environment, which brings difficulty to the maintenance work in the weightless or microgravity environment. In the prior art, in a maintenance environment in a weightless environment, a large number of foot stoppers are generally arranged along a pre-planned maintenance path, and then a maintenance worker moves to a maintenance site along the path of the foot stoppers and fixes the foot stoppers on the foot stoppers, thereby performing maintenance work.
However, in the process of implementing the technical solution in the embodiment of the present application, the inventors of the present application find that the above-mentioned technology has at least the following technical problems:
the preset foot limiter limits the fixed standing position and the fixed standing angle of a maintenance worker, and inconvenience is brought to maintenance work.
Disclosure of Invention
The embodiment of the application provides a maintenance fixing device in a weightless environment, which comprises a bearing unit, a right-angle adjusting unit and a clamping unit, wherein the bearing unit is provided with a foot stopper for fixing maintenance personnel, the right-angle adjusting unit can translate and rotate around the bearing unit, and the clamping unit can rotate around the axis of a first adjusting rod of the right-angle adjusting unit; like this, through the setting of a plurality of rotational degrees of freedom, can make this maintenance fixing device change maintenance personal's fixed position and maintenance angle according to the actual conditions of maintenance point to solved the technical problem that preset foot stopper produced the restriction to maintenance personal's fixed position and angle, realized changing the fixed station of maintenance personal position and the technological effect of angle according to the actual conditions of maintenance point.
The embodiment of the application provides a maintenance fixing device under weightless environment, includes:
the bearing unit comprises a first bearing rod and a second bearing rod positioned below the first bearing rod, and a foot limiter is arranged on the second bearing rod;
the right angle adjusting unit comprises a first adjusting rod and a second adjusting rod, the second end of the first adjusting rod is vertically connected with the first end of the second adjusting rod, and the second end of the second adjusting rod is connected with the first bearing rod;
the clamping unit is arranged at the first end of the first adjusting rod;
the clamping unit can rotate around the axis of the first adjusting rod, and the first adjusting rod can rotate around the axis of the second adjusting rod.
In the embodiment of the present disclosure, the second adjusting lever is retractable.
In the embodiment of the present disclosure, a rotating protruding shaft is disposed at a first end of the second adjusting rod, the rotating protruding shaft can rotate around an axis of the second adjusting rod, the rotating protruding shaft has a first limiting through hole, and a second end of the first adjusting rod penetrates through the first limiting through hole and is fixedly connected to the rotating protruding shaft.
In the embodiment of the present disclosure, a second end of the second adjusting rod is provided with a second limiting through hole, and the first bearing rod penetrates through the second limiting through hole, so that the second adjusting rod can translate along the first bearing rod, and the second adjusting rod can rotate around the axis of the first bearing rod.
In an embodiment of the present disclosure, the first carrying bar and the second carrying bar are arranged in parallel.
In the embodiment of the present disclosure, the bearing unit further includes a side bar located at both sides of the first bearing bar and the second bearing bar.
In the embodiment of the present disclosure, two ends of the first bearing rod are provided with a connecting end portion perpendicular to the first bearing rod, the upper end of the side rod is connected with a connecting bracket, and the connecting bracket is rotatably connected to the connecting end portion through a screw.
In the embodiment of the disclosure, a rotating shaft parallel to the second bearing rod is arranged at the lower end of the side rod, a balancing rod is connected to the inner side of the rotating shaft, and the second bearing rod is fixedly connected with the balancing rod.
In an embodiment of the present disclosure, the clamping unit includes a clamping groove provided with an opening.
In the embodiment of the present disclosure, the maintenance fixing device further includes a waist stopper, one end of the waist stopper is connected to the first bearing rod, and the other end of the waist stopper is fixed at the waist of the user.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
in the embodiment of the application, this maintenance fixing device includes the load-bearing unit, be equipped with the foot stopper on this load-bearing unit's the second carrier bar, this foot stopper is used for maintenance personal to be fixed, be equipped with right angle adjusting unit on this load-bearing unit's the first carrier bar, this right angle adjusting unit's the other end is equipped with the centre gripping unit, wherein, this centre gripping unit can be rotatory around the axis of the first regulation pole in the right angle adjusting unit, first regulation pole can be rotatory around the axis of the second regulation pole in this right angle adjusting unit, thus, maintenance personal can change fixed position and the angle of standing in real time according to the actual conditions of maintenance department, very big improvement maintenance efficiency and reduced cost of maintenance.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic perspective view of a maintenance fixing device according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of the repair fixture according to an embodiment of the present application.
Fig. 3 is a schematic side view of the maintenance fixture according to an embodiment of the present application.
Fig. 4 is a schematic top view of the maintenance fixture according to an embodiment of the present application.
Wherein, the reference numbers:
10-a first carrier bar, 11-a connecting end,
20-a second carrier bar, which is,
30-side rods, 31-connecting brackets, 32-rotating shafts, 33-balance rods,
40-a first adjustment lever, which is,
50-a second adjusting rod, 51-a rotating convex shaft, 52-a first limit through hole, 53-a second limit through hole,
60-clamping units, 61-clamping grooves,
70-a foot part limiting device, wherein,
81-first adjuster rod axis, 82-second adjuster rod axis, 83-first carrier rod axis.
Detailed Description
For better understanding of the above technical solutions, the following will describe in detail exemplary embodiments of the present application with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present application, and not all embodiments of the present application, and it should be understood that the present application is not limited by the exemplary embodiments described herein.
For example, the space station is in a weightless or microgravity environment, the on-orbit service life of the space station is long, the internal load of the space station is large and complex, the reliability requirement is high, the development difficulty is not existed before, the on-orbit service life of a device of the space station can be greatly prolonged through the maintenance and replacement of load equipment by astronauts, and the cost is reduced. However, the space of the space station is limited, the layout of the load equipment is limited by various factors, some loads are not beneficial to maintenance and operation of astronauts on the layout space, and meanwhile, the astronauts need to free two hands when maintaining and replacing the load equipment, so that the body balance can not be completely controlled under the microgravity condition, and the load equipment can easily shift. According to the traditional on-orbit maintenance, a maintenance flow and steps need to be planned in advance in a development stage of a load, a large number of foot limiters are arranged in a cabin section in advance along a motion track according to the maintenance flow and the motion track of a spacecraft during maintenance, then the spacecraft moves to a maintenance place along the path of the foot limiters and is fixed on the foot limiters, and then maintenance work is carried out, so that the number of the limiters is greatly increased, the ground planning and layout cost is increased, and meanwhile, adverse factors such as layout limitation of the load, motion track limitation of the spacecraft, treatment for dealing with sudden maintenance conditions and the like are all adverse factors.
Based on the difficulties, the application relates to a maintenance fixing device under a weightless environment, and fig. 1 shows a three-dimensional structure schematic diagram of the maintenance fixing device according to an embodiment of the application.
As shown in fig. 1, the maintenance fixing device in a weightless environment provided by the embodiment of the present application includes a bearing unit, a right angle adjusting unit, and a clamping unit 60; the bearing unit comprises a first bearing rod 10 and a second bearing rod 20 positioned below the first bearing rod 10, a foot stopper 70 is arranged on the second bearing rod 20 below, the foot stopper 70 is used for fixing feet of a maintenance worker, and the clamping unit is used for clamping a load around a maintenance point and fixing a maintenance fixing device;
the right angle adjusting unit includes a first adjusting lever 40 and a second adjusting lever 50 which are vertically arranged, that is, a second end of the first adjusting lever 40 is vertically connected with a first end of the second adjusting lever 50, and the first adjusting lever 40 can rotate around an axis 82 of the second adjusting lever 50, as shown in fig. 1, it can be understood that a plane on which the first adjusting lever 40 rotates can be defined perpendicular to the axis 82 and passing through a second end of the second adjusting lever 50;
the second end of the second adjustment lever 50 is attached to the first carrier bar 10 of the carrier unit and then at the first end of the first adjustment lever 40 a clamping device 60 is provided, which clamping device 60 is rotatable around the axis 81 of the first adjustment lever 40.
In this embodiment, the maintenance fixing device includes a carrying unit, a foot stopper is disposed on a second carrying rod of the carrying unit, the foot limiter is used for fixing maintenance personnel, a right angle adjusting unit is arranged on a first bearing rod of the bearing unit, a clamping unit is arranged at the other end of the right angle adjusting unit, wherein the clamping unit is rotatable about the axis of a first adjustment lever in the right angle adjustment unit, which is rotatable about the axis of a second adjustment lever, such that, by the arrangement of the degrees of freedom, the clamping unit can clamp and fix at different angles, and the maintenance angle of maintenance personnel can be changed by rotating the first adjusting rod, therefore, maintenance personnel can change the position and the angle of the fixed stand in real time according to the actual condition of the maintenance position, the maintenance efficiency is greatly improved, and the maintenance cost is reduced.
In one embodiment, the second adjustment lever 50 is telescoping, for example, the second adjustment lever 50 includes an outer sleeved post and an inner sleeved post that slides up and down within and along the outer sleeved post to achieve telescoping of the second adjustment lever.
In this embodiment, the second adjusting rod is telescopic, so that the length of the second adjusting rod is variable, thereby realizing the up-and-down position adjustment of maintenance personnel, increasing the degree of freedom of position adjustment, and improving the maintenance efficiency.
In an embodiment, the first adjustment lever 40 can rotate around the axis 82 of the second adjustment lever 50, for example, specifically referring to fig. 1, a rotation protruding shaft 51 can be disposed at a first end of the second adjustment lever 50, the rotation protruding shaft 51 can rotate around the axis 82 of the second adjustment lever 50, then a first limiting through hole 52 is disposed on the rotation protruding shaft 51, and a second end of the first adjustment lever 40 passes through the first limiting through hole 52 and is fixedly connected to the rotation protruding shaft 51, so that the rotation of the first adjustment lever around the axis 82 of the second adjustment lever can be realized through the rotation of the rotation protruding shaft.
In one embodiment, the second end of the second adjusting rod 50 is connected to the first carrying rod 10 of the carrying unit, for example, specifically, a second limiting through hole 53 is provided at the second end of the second adjusting rod 50, the first carrying rod 10 passes through the second limiting through hole 53, so that the second adjusting rod can translate along the first carrying rod, and the second adjusting rod can rotate around the axis 83 of the first carrying rod.
In this embodiment, the second end of the second adjusting rod is provided with the second limiting through hole, and the first bearing rod penetrates through the second limiting through hole, so that the translational and rotational freedom degree of the second adjusting rod relative to the first bearing rod is realized, that is, the translational and rotational freedom degree of the right-angle adjusting unit relative to the bearing unit is realized, thereby adjusting the maintenance angle with multiple degrees of freedom, improving the flexibility of adapting to the maintenance angle of the maintenance fixing device, and further improving the maintenance efficiency.
In one embodiment, the first carrier bar 10 and the second carrier bar 20 are arranged in parallel.
In one embodiment, the carrying unit further comprises side bars 30 positioned at both sides of the first carrying bar 10 and the second carrying bar 20, i.e. the first carrying bar 10, the second carrying bar 20 and the side bars 30 constitute a carrying frame, thereby reducing the weight of the service fixture.
In an embodiment, specifically, for example, referring to fig. 1, the first carrier bar 10 is fixedly provided with a connecting end portion 11 perpendicular to the first carrier bar 10 at both ends, the connecting end portion 11 can be a short bar, for example, and then the side bar 30 is connected with a connecting bracket 31 at its upper end, the connecting bracket 31 is rotatably connected to the connecting end portion 11 by a screw or a pin, for example, so that the side bar can rotate around the screw or the pin, thereby realizing the swinging of the side bar relative to the first carrier bar.
A rotating shaft 32 parallel to the second bearing rod 20 is arranged at the lower end of the side rod 30, a balance rod 33 is connected to the inner side of the rotating shaft 32, and then the second bearing rod 20 is fixedly connected with the balance rod 33, so that the second bearing rod swings relative to the side rod;
in this embodiment, the second support bar 20 can be composed of two parallel support bars with a certain distance;
in this embodiment, through the swing of side lever for first carrier bar, the swing of second carrier bar for the side lever respectively, adjustable maintenance personal's front and back position adjustment has improved the flexibility that this maintenance fixing device adapted maintenance angle, and then has improved maintenance efficiency.
In an embodiment, referring to fig. 1, the clamping unit 60 comprises a clamping groove 61 provided with an opening, the clamping groove 61 being adapted to clamp on a load around a service point for fixing the service fixture.
In one embodiment, the maintenance fastening device may further comprise a waist stopper, such as a waist stopper rope, one end of the waist stopper rope may be connected to the first load-bearing bar, and the other end of the waist stopper rope is fastened to the waist of the user for safety.
It can be understood that before the astronaut maintains the target load, the astronaut needs to fix the clamping unit of the maintenance fixing device in the above embodiments around the target load, adjust the rotation angle of the clamping unit in the 81 axis, the rotation angle of the first adjusting rod in the 82 axis, and the rotation angle of the second adjusting rod in the 83 axis, adjust the length of the second adjusting rod, adjust the swing angle of the side rod relative to the first bearing rod, adjust the swing angle of the second bearing rod relative to the side rod to meet the maintenance requirement, fix each position and angle adjusting device, and wear the foot stopper, and can use devices such as a waist stopper to assist in fixing again, i.e. to maintain or install and assemble the space load.
In the above embodiment, this maintenance fixing device can be according to the on-orbit maintenance needs of load equipment, and real-time diversified adjustment astronaut's position has greatly improved astronaut maintenance efficiency and cost of maintenance, the overall arrangement of load equipment in the optimization space station that simultaneously can be very big.
In the above embodiment, this maintenance fixing device not only can solve the spacing problem of astronaut's health when in orbit maintenance operation, can also be according to the needs of maintenance load position simultaneously, and the astronaut is free moves about, from top to bottom.
In the above embodiment, it can be understood that the astronaut can adjust the form of the maintenance fixing device in real time by applying force or adjusting posture, thereby adapting to the actual maintenance requirement.
The foregoing describes the general principles of the present application in conjunction with specific embodiments, however, it is noted that the advantages, effects, etc. mentioned in the present application are merely examples and are not limiting, and they should not be considered essential to the various embodiments of the present application. Furthermore, the foregoing disclosure of specific details is for the purpose of illustration and description and is not intended to be limiting, since the foregoing disclosure is not intended to be exhaustive or to limit the disclosure to the precise details disclosed.
The block diagrams of devices, apparatuses, systems referred to in this application are only given as illustrative examples and are not intended to require or imply that the connections, arrangements, configurations, etc. must be made in the manner shown in the block diagrams. These devices, apparatuses, devices, systems may be connected, arranged, configured in any manner, as will be appreciated by those skilled in the art. Words such as "including," "comprising," "having," and the like are open-ended words that mean "including, but not limited to," and are used interchangeably therewith. The words "or" and "as used herein mean, and are used interchangeably with, the word" and/or, "unless the context clearly dictates otherwise. The word "such as" is used herein to mean, and is used interchangeably with, the phrase "such as but not limited to".
It should also be noted that in the devices, apparatuses, and methods of the present application, the components or steps may be decomposed and/or recombined. These decompositions and/or recombinations are to be considered as equivalents of the present application.
The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the application. Thus, the present application is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
The foregoing description has been presented for purposes of illustration and description. Furthermore, the description is not intended to limit embodiments of the application to the form disclosed herein. While a number of exemplary aspects and embodiments have been discussed above, those of skill in the art will recognize that certain variations, modifications, alterations, additions and sub-combinations thereof are encompassed within the scope of the invention.
Claims (7)
1. A maintenance fixing device under weightless environment, characterized in that includes:
the bearing unit comprises a first bearing rod and a second bearing rod positioned below the first bearing rod, and a foot limiter is arranged on the second bearing rod;
the right angle adjusting unit comprises a first adjusting rod and a second adjusting rod, the second end of the first adjusting rod is vertically connected with the first end of the second adjusting rod, and the second end of the second adjusting rod is connected with the first bearing rod;
the clamping unit is arranged at the first end of the first adjusting rod;
the clamping unit can rotate around the axis of the first adjusting rod, and the first adjusting rod can rotate around the axis of the second adjusting rod; the second adjusting rod is telescopic;
a first end of the second adjusting rod is provided with a rotating convex shaft, the rotating convex shaft can rotate around the axis of the second adjusting rod, the rotating convex shaft is provided with a first limiting through hole, and a second end of the first adjusting rod penetrates through the first limiting through hole and is fixedly connected to the rotating convex shaft;
the second end of the second adjusting rod is provided with a second limiting through hole, the first bearing rod penetrates through the second limiting through hole, so that the second adjusting rod can move horizontally along the first bearing rod, and the second adjusting rod can rotate around the axis of the first bearing rod.
2. The repair fixture of claim 1, wherein the first carrier bar and the second carrier bar are arranged in parallel.
3. The repair fixture of claim 2, wherein the carrier unit further comprises side bars on either side of the first and second carrier bars.
4. The repair fixture of claim 3, wherein the first carrier bar has connecting ends at opposite ends thereof perpendicular to the first carrier bar, and a connecting bracket is connected to the side bars at upper ends thereof, and is rotatably connected to the connecting ends by screws.
5. The maintenance fixture according to claim 3, characterized in that the lower end of the side bar is provided with a rotating shaft parallel to the second bearing bar, a balance bar is connected to the inside of the rotating shaft, and the second bearing bar is fixedly connected with the balance bar.
6. The repair fixture of claim 1, wherein the clamping unit comprises a clamping groove provided with an opening.
7. The maintenance fixture of claim 1, further comprising a lumbar stopper, one end of said lumbar stopper being connected to said first load bar and the other end of said lumbar stopper being secured to the waist of a user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911213329.5A CN111001103B (en) | 2019-12-02 | 2019-12-02 | Maintenance fixing device under weightless environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911213329.5A CN111001103B (en) | 2019-12-02 | 2019-12-02 | Maintenance fixing device under weightless environment |
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| CN111001103A CN111001103A (en) | 2020-04-14 |
| CN111001103B true CN111001103B (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911213329.5A Active CN111001103B (en) | 2019-12-02 | 2019-12-02 | Maintenance fixing device under weightless environment |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113800010A (en) * | 2021-10-29 | 2021-12-17 | 北京卫星环境工程研究所 | Operating platform for maintaining external rail of space station cabin |
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|---|---|---|---|---|
| US5779002A (en) * | 1995-02-14 | 1998-07-14 | The E.O. Paton Electric Welding Institute Of The National Academy Of Sciences Of Ukraine | Astronaut's work station device |
| CN2296738Y (en) * | 1997-06-24 | 1998-11-11 | 张煌东 | Walking apparatus with improved structure |
| CN102673804A (en) * | 2012-05-25 | 2012-09-19 | 北京卫星制造厂 | Foot limiting device |
| CN203628206U (en) * | 2014-01-09 | 2014-06-04 | 张波 | Digital microscope medical support for bed |
| CN204062348U (en) * | 2014-08-04 | 2014-12-31 | 陈玺 | A kind of support for mobile phone, panel computer |
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2019
- 2019-12-02 CN CN201911213329.5A patent/CN111001103B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5779002A (en) * | 1995-02-14 | 1998-07-14 | The E.O. Paton Electric Welding Institute Of The National Academy Of Sciences Of Ukraine | Astronaut's work station device |
| CN2296738Y (en) * | 1997-06-24 | 1998-11-11 | 张煌东 | Walking apparatus with improved structure |
| CN102673804A (en) * | 2012-05-25 | 2012-09-19 | 北京卫星制造厂 | Foot limiting device |
| CN203628206U (en) * | 2014-01-09 | 2014-06-04 | 张波 | Digital microscope medical support for bed |
| CN204062348U (en) * | 2014-08-04 | 2014-12-31 | 陈玺 | A kind of support for mobile phone, panel computer |
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| CN111001103A (en) | 2020-04-14 |
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