CN111102459B - Material exposure test box locking and supporting mechanism and exposure device - Google Patents
Material exposure test box locking and supporting mechanism and exposure device Download PDFInfo
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- CN111102459B CN111102459B CN201911414693.8A CN201911414693A CN111102459B CN 111102459 B CN111102459 B CN 111102459B CN 201911414693 A CN201911414693 A CN 201911414693A CN 111102459 B CN111102459 B CN 111102459B
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- box
- bearing mechanism
- side wall
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
- F16M13/022—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle repositionable
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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
- B64G1/66—Arrangements or adaptations of apparatus or instruments, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G4/00—Tools specially adapted for use in space
Abstract
The invention relates to a locking and supporting mechanism and an exposure device of a material exposure test box, wherein the locking and supporting mechanism comprises a plurality of locking supports and a force bearing mechanism, and the plurality of locking supports are vertically fixed on the outer peripheral side of the force bearing mechanism respectively; a sliding groove is formed in one side edge of the locking support, a limiting notch is formed in the groove wall of the sliding groove, a guiding locking piece is arranged on the locking support and penetrates through the two groove walls of the sliding groove; the side walls of the test box are respectively provided with a baffle plate which is arranged at intervals, an installation opening is formed between one end of the baffle plate and the side wall of the test box, a separation rib is arranged between the baffle plate and the side wall of the test box, the separation rib separates the baffle plate and the side wall of the test box into a plurality of installation grooves which are arranged up and down, and the baffle plate is provided with a guide opening; wherein, the spout forms in the cell wall of spacing breach inserts the mounting groove, separates the muscle and inserts in the spacing breach, and the direction retaining member inserts in the direction guide way and locks the baffle in the spout. The invention has stable and firm structure and can meet the environmental requirements of space stations.
Description
Technical Field
The invention relates to the field related to material extravehicular exposure of a space station, in particular to a locking and supporting mechanism of a material exposure test box and an exposure device.
Background
The material exposure test box provides an installation space for exposed materials and provides a closed environment, and when the space exposure test is carried out on the materials, the material exposure test box is required to be stably installed in the processes of running along a track, ground transportation of an exposure device, ascending along with a rocket, in-track transportation, butt joint of space cabins and the like. In addition, in the process of going up with the rocket, the mechanical environment is severe, and therefore, the mounting structure needs to bear a large vibration and impact environment. There is no mounting structure for stably and detachably mounting the test chamber.
Furthermore, in a motion mechanism applied to a space environment, compared with a mechanism working on the ground, the working difference of the space mechanism is mainly caused by the space environment, and the space dynamic environment is different from the ground environment. The influence of the space environment on the motion mechanism is mainly reflected in the following aspects:
(1) influence of microgravity
Because the existing spacecraft is usually installed and adjusted on the ground, namely under the action of gravity, when the spacecraft enters the space, the environment of the spacecraft is a microgravity environment, and the gravity in the installation and adjustment process can be released and deformed. The friction between the parts is reduced, the system is in a free state, and the interference from the outside is more prominent. Microgravity has less impact on typical mechanisms but more impact on some release mechanisms, such as the hold-down mechanism in a solar array.
(2) Influence of pressure difference
The influence of the pressure difference is usually 1X 10-2Pa～1×10-5Pa, and when a sealing structure exists in the spacecraft, the internal and external difference of the sealing structure is increased, so that the structure is deformed or damaged.
(3) Influence of vacuum outgassing
The adsorbed or absorbed gas exists on the surface of the material and is dissolved in the material, and the gas content is higher than 1 x 10-2Releasing is carried out under the vacuum degree of Pa, namely vacuum air outlet. The released gases re-condense on the cryogenic components, contaminating the optical lens, the sensor and the optically selective thermal control coating, resulting in reduced optical performance, increased solar absorption and increased temperature.
(4) Influence of radiation heat transfer
In a vacuum environment, radiative heat transfer is the primary form of heat transfer from the spacecraft to the environment. Thus, the radiative properties of the surface material have a significant impact on the thermal control function. When each system and mechanism of the spacecraft cannot work in a reasonable temperature range, the structural parts can generate stress, deformation and even fracture due to the change of the environmental temperature, so that the mechanism of the spacecraft is damaged.
(5) Effects of adhesion and Cold welding
Adhesion and cold welding typically occur at a pressure of 1X 10-7And Pa or above. On the ground, the solid surface always adsorbs organic and other films, which are called boundary lubrication lubricants, which function to reduce the friction coefficient. In a vacuum environment, a solid surface film, when partially or completely removed, forms a clean material surface between the parts in contact, and a different degree of adhesion, called sticking, occurs. If the oxide film is removed, the surface can reach atom cleanness, and can be further integrally adhered under the action of certain pressure and temperature, namely cold welding is formed.
The main method for preventing cold welding is to select mating materials which are not easy to generate cold welding, adopt solid lubrication, grease lubrication or liquid lubricant, coat material film layers which are not easy to generate cold welding and the like.
(6) Microstellar and space debris
The space environment has micro-stars and various space fragments generated by human space activities, and because the micro-stars and the space fragments have higher speed and kinetic energy, even a small fragment collides with a spacecraft, the equipment is likely to be out of order. Therefore, spacecraft should provide enhanced protection against micrometeors and space debris.
(7) Environmental impact of solar radiation
Mechanical forces are generated by mechanical structural parts due to solar radiation, and particularly, the thermal bending effect caused by uneven heating is the largest, so that the structure generates low-frequency vibration. In addition, the change of temperature has a great influence on the selection of the lubricant in the mechanism, and the lubricant with good temperature change resistance needs to be selected.
(8) Cold and black environmental impact
The cold and black environment refers to an environment in which the radiation of the sun and the spacecraft is not considered, and the heat radiation of the spacecraft is completely absorbed by the space and is not reflected. The cold and black environment easily causes the stretching performance of the retractable mechanism on the spacecraft, influences the performance of certain organic materials, causes the aging and embrittlement of the materials and the like.
The failure modes and failure mechanisms that lead to failure of the mechanism due to space environmental factors are shown in table 1.
TABLE 1 influence of spatial environmental factors on mechanism failure
Disclosure of Invention
The invention aims to solve the technical problem that a detachable mounting structure of a material space exposure test box for a space station outdoor exposure test is not available at present.
The technical scheme for solving the technical problems is as follows: a locking and supporting mechanism of a material exposure test box comprises a plurality of locking supports and a force bearing mechanism, wherein the plurality of locking supports are vertically fixed on the outer peripheral side of the force bearing mechanism respectively; a sliding groove is formed in one side edge of the locking support, a limiting notch is formed in the groove wall of the sliding groove, a guiding locking piece is arranged on the locking support and penetrates through the two groove walls of the sliding groove; the side walls of the test box are respectively provided with a baffle arranged at intervals, an installation opening is formed between one end of the baffle and the side wall of the test box, a separation rib is arranged between the baffle and the side wall of the test box, the separation rib separates the baffle and the side wall of the test box into a plurality of installation grooves which are arranged up and down, and the baffle is provided with a guide opening;
the chute forms the groove wall of the limiting notch is inserted into the mounting groove, the separation rib is inserted into the limiting notch, and the guide locking piece is inserted into the guide opening and locks the baffle in the chute.
The invention has the beneficial effects that: the locking support mechanism comprises a locking support, a baffle plate, a separation rib, a guide locking piece, a guide groove and a locking support, wherein the locking support is fixed on the outer peripheral side of a bearing mechanism; the accessible is unscrewed the direction retaining member and is taken out the baffle from the spout, realizes dismantling between locking support and the proof box, and the astronaut can realize the quick assembly disassembly to a plurality of proof boxes simultaneously. Whole dismouting structure does not need the direction retaining member to fix the proof box, but relies on the locking support to compress tightly the baffle, and overall structure is very compact, can realize the quick accurate dismouting of a plurality of proof boxes moreover, and stable in structure is firm, can satisfy under limited space station environment in the limited installation space of material exposure load, realizes exposing of material in a plurality of proof boxes, space utilization is high.
On the basis of the technical scheme, the invention can be further improved as follows.
Furthermore, the bearing mechanism is of an integrally formed hollow structure, a plurality of assembly ports are formed on the peripheral side of the bearing mechanism, the locking support is vertically installed in the assembly ports, and the test box is limited in the assembly ports.
The beneficial effect of adopting the further scheme is that: set up bearing mechanism into hollow out construction, can alleviate bearing mechanism's weight, conveniently install and remove, spacing in bearing mechanism's fitting up mouth with the proof box moreover, can be with the effective stable spacing installation of proof box.
Further, the test box comprises a box cover and a box body, wherein one vertical edge of the box cover is hinged to one vertical side wall of the open end of the box body; the baffle is positioned on the vertical side wall of the box body hinged with the box cover or/and the other vertical side wall of the box body, and the mounting opening is arranged towards one side departing from the box cover; the lower half parts of the two vertical side walls of the box body are respectively recessed to form step-shaped grooves, and the baffle plates are fixed in the grooves; the box body is limited in the assembly opening, and the box cover is positioned outside the assembly opening.
The beneficial effect of adopting the further scheme is that: the box body is limited in the assembly opening, the box cover is positioned outside the assembly opening, when the box cover is opened, the inner surface of the box cover and the material on the inner surface of the box body can be positioned on the same exposed surface, and the exposed surfaces on the periphery of the bearing mechanism are more uniformly and stably exposed.
Furthermore, the two baffles are respectively positioned on the two vertical side walls at the two sides of the box body, and the two baffles are arranged in parallel; the two locking supports are respectively locked with the two baffles correspondingly.
The beneficial effect of adopting the further scheme is that: two baffle plates are adopted to respectively lock and fix two vertical side walls of the box body, so that the whole stress of the box body is uniform and stable.
Furthermore, a plurality of vertically-through mounting through holes are formed in the middle of the bearing mechanism, limiting blocks are fixed on the locking support close to the mounting through holes and the bearing mechanism respectively, and the limiting blocks are located on the upper surface of the bearing mechanism and around the mounting through holes.
The beneficial effect of adopting the further scheme is that: the installation through hole in the bearing mechanism can be used for installing other parts, such as a friction box and the like, and a tribology experiment can be carried out by utilizing the friction box. And the limit block is used for effectively limiting other parts, so that the mounting space of the bearing mechanism can be utilized to the maximum extent, and the requirement of a space test can be met to the maximum extent in a limited space.
Furthermore, a guide sliding groove which is vertically arranged is formed on the limiting block.
The beneficial effect of adopting the further scheme is that: due to the arrangement of the guide sliding groove, other parts can be conveniently installed, guided and limited.
Further, the guide port comprises a transverse section and a vertical section which are communicated with each other, and the vertical section is positioned above the transverse section; the test box is arranged on the support, the transverse section moves along the guide locking piece, so that the test box moves transversely firstly, then the vertical section moves along the guide locking piece, so that the test box moves downwards, and the test box is assembled on the locking support.
The beneficial effect of adopting the further scheme is that: the direction mouth adopts horizontal section and vertical section, and the direction retaining member can utilize horizontal section to insert on the baffle, then moves the proof box downwards, makes vertical section remove along the direction retaining member, and the direction retaining member that leads forms fore-and-aft direction and upper and lower direction spacing between vertical section makes the proof box can not drop from the locking support, recycles the spout and realizes that the direction is spacing about, makes the stable installation of proof box on the locking support.
Furthermore, the number of the partition ribs is multiple, the number of the guide openings is multiple, and the multiple guide openings are correspondingly positioned above the partition ribs one by one; the limiting notches are multiple, and the separating ribs are correspondingly inserted into the limiting notches one by one.
The beneficial effect of adopting the further scheme is that: the arrangement of the plurality of separating ribs and the plurality of guide openings can ensure that the side wall of the test box is fixed on the locking bracket in as many areas as possible, so that the stable installation of the test box is realized.
Furthermore, one side of the locking support, which is far away from the sliding groove, is vertically provided with a locking arm, one end of the locking arm, which is far away from the sliding groove, extends downwards to form a clamping arm, and the clamping arm is arranged in parallel with the sliding groove and surrounds a limiting opening with the locking support and the locking arm.
The beneficial effect of adopting the further scheme is that: the arrangement of the limiting port can facilitate the installation of the limiting support to limit the limiting support to the corresponding assembly structure.
Further, the guiding locking piece is a loose screw.
The beneficial effect of adopting the further scheme is that: the locking and fixing of the baffle and the locking support can be realized without taking down the screw due to the adoption of the non-detachable screw.
The material exposure test box exposure device comprises the locking support mechanism and a base, wherein the bearing mechanism is installed on the base, the locking support is vertically arranged with the base, the bearing mechanism and the base are respectively of a polygonal structure, corresponding sides are arranged in parallel, at least one test box is installed on each side of the bearing mechanism, and after the test box is opened, the exposed surface of the test box is perpendicular to the base and extends to two ends of the corresponding side of the bearing mechanism.
The invention has the beneficial effects that: according to the exposure device, the test boxes are fixed on the bearing mechanism through the locking support, so that the test boxes are distributed around the bearing mechanism, the exposed surfaces of the opened test boxes are perpendicular to the base, the exposure test on a plurality of test boxes can be realized simultaneously in the limited mounting space of the platform load of the space station, the overall structure is very compact, the rapid and accurate disassembly and assembly of the material test boxes by a spaceman in orbit can be realized, the exposure support is provided for different material tests and different time requirements, the structure is stable and firm, and the environmental requirements of the space station can be met.
Drawings
FIG. 1 is a schematic perspective view of a locking bracket of the locking support mechanism of the present invention in an assembled state;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of the portion B in FIG. 1;
FIG. 4 is a schematic perspective exploded view of the locking bracket of the locking support mechanism of the present invention in an assembled state;
FIG. 5 is a schematic top view of the locking bracket of the locking support mechanism of the present invention in an assembled state;
FIG. 6 is an exploded view of the test box and locking bracket assembly of the locking mechanism of the present invention;
fig. 7 is an enlarged schematic view of the portion C in fig. 6.
In the drawings, the components represented by the respective reference numerals are listed below:
200. a test chamber; 201. a baffle plate; 202. separating ribs; 203. a guide port; 204. a transverse segment; 205. a vertical section; 206. a box cover; 207. a box body; 208. an installation port; 209. a groove;
300. a force bearing mechanism; 301. an assembly port; 302. mounting a through hole;
400. locking the bracket; 401. a chute; 402. a limiting notch; 403. a guiding locking piece; 404. a locking arm; 405. a clamping arm; 406. a limiting block; 407. a guide chute;
600. a base.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
Example 1
As shown in fig. 1 to 7, the material exposure test chamber locking and supporting mechanism of the embodiment includes a plurality of locking brackets 400 and a force-bearing mechanism 300, wherein the plurality of locking brackets 400 are vertically fixed on the outer peripheral sides of the force-bearing mechanism 300 respectively; a sliding groove 401 is arranged on one side edge of the locking bracket 400, a limiting notch 402 is formed on the groove wall of the sliding groove 401, a guiding locking member 403 is arranged on the locking bracket 400, and the guiding locking member 403 penetrates through two groove walls of the sliding groove 401; the side walls of the test box 200 are respectively provided with a baffle 201 arranged at intervals, a mounting opening 208 is formed between one end of the baffle 201 and the side wall of the test box 200, a separation rib 202 is arranged between the baffle 201 and the side wall of the test box 200, the separation rib 202 separates the baffle 201 and the side wall of the test box 200 into a plurality of mounting grooves arranged up and down, and the baffle 201 is provided with a guide opening 203;
the groove wall of the sliding groove 401 forming the limiting notch 402 is inserted into the mounting groove, the separating rib 202 is inserted into the limiting notch 402, and the guiding locking member 403 is inserted into the guiding opening 203 and locks the baffle 201 in the sliding groove 401.
The locking support mechanism of the embodiment fixes the locking support on the outer peripheral side of the bearing mechanism, a sliding groove and a limiting notch are arranged on the locking support, a baffle is arranged on the side wall of the test box, a separation rib is inserted into the limiting notch, and the guide locking piece is inserted into the guide opening, so that the baffle on the test box is clamped into the sliding groove of the locking support, the guide locking piece is screwed down to tightly press and fix the baffle in the sliding groove, and the test box and the locking support are locked and fixed; the accessible is unscrewed the direction retaining member and is taken out the baffle from the spout, realizes dismantling between locking support and the proof box, and the astronaut can realize the quick assembly disassembly to a plurality of proof boxes simultaneously. Whole dismouting structure does not need the direction retaining member to fix the proof box, but relies on the locking support to compress tightly the baffle, and overall structure is very compact, can realize quick accurate dismouting moreover, and stable in structure is firm, can satisfy under limited space station environment in the limited installation space of material exposure load, realizes exposing of material in a plurality of proof boxes, space utilization is high.
The invention realizes the fixation and the locking of the test box with larger size and weight by using a smaller locking bracket, can bear larger mechanical environment when a load goes upwards, and has the advantages of small volume, light weight, high strength and large bearing capacity.
In one embodiment, the guiding lock 403 is a release screw. The locking and fixing of the baffle and the locking support can be realized without taking down the screw due to the adoption of the non-detachable screw.
As shown in fig. 1 to 5, a preferable scheme of the force-bearing mechanism is that the force-bearing mechanism 300 of this embodiment is an integrally formed hollow structure, a plurality of assembly openings 301 are formed on the outer peripheral side of the force-bearing mechanism, the locking bracket 400 is vertically installed in the assembly openings 301, and the test box 200 is limited in the assembly openings 301. Set up bearing mechanism into hollow out construction, can alleviate bearing mechanism's weight, conveniently install and remove, spacing in bearing mechanism's fitting up mouth with the proof box moreover, can be with the effective stable spacing installation of proof box.
As shown in fig. 6 and 7, the test chamber 200 of the present embodiment includes a chamber cover 206 and a chamber 207, and a vertical side of the chamber cover 206 is hinged to a vertical side wall of an open end of the chamber 207; the baffle 201 is positioned on a vertical side wall of the box body 207 hinged with a box cover 206 or/and another vertical side wall of the box body 207, and the mounting opening 208 is arranged towards a side facing away from the box cover 206; the lower half parts of two vertical side walls of the box body 207 are respectively recessed to form step-shaped grooves 209, and the baffle plate 201 is fixed in the grooves 209; the box 207 is limited in the assembling opening 301, and the box cover 206 is positioned outside the assembling opening 301. The box body is limited in the assembly opening, the box cover is positioned outside the assembly opening, when the box cover is opened, the inner surface of the box cover and the material on the inner surface of the box body can be positioned on the same exposed surface, and the exposed surfaces on the periphery of the bearing mechanism are more uniformly and stably exposed. The baffle plates are arranged on the two vertical side walls of the box body, so that the bottom of the box body is arranged and positioned on the locking bracket, and the opening and closing of the box door are not influenced.
In this embodiment, the baffle 201 may be disposed on one of the vertical sidewalls of the box 207, and may be installed by being engaged with a locking bracket 400. The baffle 201 may be disposed on two vertical sidewalls of the box 207, and a locking bracket 400 may be mounted on two opposite vertical sidewalls of the box 207.
A preferable scheme of this embodiment is that, as shown in fig. 1 and fig. 7, two baffles 201 are provided and respectively located on two vertical side walls at two sides of the box 207, and the two baffles 201 are arranged in parallel; the number of the locking brackets 400 is two, and the two locking brackets 400 are respectively locked with the two baffles 201, and after the two locking brackets 400 are mounted on the corresponding baffles 201, the two locking brackets 400 are also arranged in parallel. Two baffle plates are adopted to respectively lock and fix two vertical side walls of the box body 207, so that the whole stress of the box body 207 is uniform and stable. When the two locking brackets 400 are installed in the mating test chamber 200, the two locking brackets 400 may have the same structure, or may be differently configured according to the actual installation space limitation. For example, the locking support that is located proof box one side can choose for use 3 spacing breach, and the locking support that is located the proof box opposite side can choose for use 2 spacing breach, and the number of guide way and separation muscle on the baffle on the proof box that corresponds is also different, specifically with the locking support structure looks adaptation that corresponds.
As shown in fig. 5, a plurality of through mounting through holes 302 are formed in the middle of the force-bearing mechanism 300 in this embodiment, limiting blocks 406 are respectively fixed on the locking bracket 400 close to the mounting through holes 302 and the force-bearing mechanism 300, and the limiting blocks 406 are both located on the upper surface of the force-bearing mechanism 300 and around the mounting through holes 302. The mounting through hole 302 in the force bearing mechanism 300 can be used for mounting other parts, such as a friction box and the like, and a tribology experiment can be carried out by using the friction box. And the limit block is used for effectively limiting other parts, so that the mounting space of the bearing mechanism can be utilized to the maximum extent, and the requirement of a space test can be met to the maximum extent in a limited space.
As shown in fig. 2, 3 and 5, a guide sliding slot 407 is formed on the limiting block 406 and is vertically arranged. Due to the arrangement of the guide sliding groove, other parts can be conveniently installed, guided and limited.
As shown in fig. 6 and 7, in order to make the baffle 201 occupy as little space as possible outside the environment of the station, stepped grooves 209 are recessed into lower halves of two vertical side walls of the box 207, respectively, and the baffle 201 is fixed in the grooves 209.
As shown in fig. 6 and 7, a preferred embodiment of the guiding opening is that the guiding opening 203 of the present embodiment includes a horizontal section 204 and a vertical section 205 that are communicated with each other, and the vertical section 205 is located above the horizontal section 204; wherein, the transverse section 204 moves along the guide locking member 403, so that the test box 200 moves transversely firstly, and then the vertical section 205 moves along the guide locking member 403, so that the test box 200 moves downwards, and the test box 200 is assembled on the locking bracket 400, so that the guide locking member 403 is limited at the top of the vertical section 205. The direction mouth adopts horizontal section and vertical section, and the direction retaining member can utilize horizontal section to insert on the baffle, then moves the proof box downwards, makes vertical section remove along the direction retaining member, and the direction retaining member that leads forms fore-and-aft direction and upper and lower direction spacing between vertical section makes the proof box can not drop from the locking support, recycles the spout and realizes that the direction is spacing about, makes the stable installation of proof box on the locking support.
As shown in fig. 6 and 7, the number of the partition ribs 202 is multiple, the number of the guide openings 203 is multiple, and the plurality of the guide openings 203 are located above the partition ribs 202 in a one-to-one correspondence manner. The arrangement of the plurality of separating ribs and the plurality of guide openings can ensure that the side wall of the test box is fixed on the locking bracket in as many areas as possible, so that the stable installation of the test box is realized.
As shown in fig. 1 to 4, the sliding groove 401 of the baffle 201 may be disposed to penetrate up and down, or may not be disposed to penetrate. The plurality of limiting notches 402 are provided, and the plurality of separating ribs 202 are correspondingly inserted into the limiting notches 402 one by one. The number of the partition ribs 202 is preferably 2 or 3, and the partition ribs are respectively connected with the baffle plate 201 and the side wall of the test box 200. Correspondingly, the number of the limiting notches 402 can be 2 or 3, and the number of the guide locking members 403 is preferably 2 or 3. The guiding locking pieces 403 are also correspondingly arranged above the limiting notches 402.
A preferable scheme of this embodiment is that, as shown in fig. 1 to 4, the spacing gap 402 is arranged at a large vertical distance, and after the test box 200 is inserted into the baffle 201 in a matching manner, the separation rib 202 can move up and down in the space of the spacing gap 402 in the process that the guiding locking member 403 moves along the vertical section 205, that is, when the test box 200 moves downward relative to the baffle 201. In order to enable the test box 200 to be inserted into the baffle 201 more compactly and stably, after the test box 200 is inserted into the baffle 201 in a matching manner, the guiding locking piece 403 is just positioned at or abutted against the upper end of the vertical section 205, and the separating rib 202 is just positioned at or abutted against the bottom edge of the limiting notch 402.
As shown in fig. 1 to 5, a locking arm 404 is vertically disposed on a side of the locking bracket 400 away from the sliding slot 401, one end of the locking arm 404 away from the sliding slot 401 extends downward to form a clamping arm 405, and the clamping arm 405 is parallel to the sliding slot 401 and forms a limit opening with the locking bracket 400 and the locking arm 405. The arrangement of the limiting port can facilitate the installation of the limiting support to limit the limiting support to the corresponding assembly structure.
Specifically, as shown in fig. 1-4, the locking bracket 400 may be configured like a "4" structure, the sliding slot 401 is located on the vertical long side of the locking bracket 400, the locking arm 404 is located on the transverse segment of the 4-shaped structure, and the engaging arm 405 is located at the acute corner of the 4-shaped structure. And a plurality of fixing holes are also formed in the position, close to the lower end, of the 4-shaped structure of the locking support 400 and used for fixing the locking support 400 on the corresponding force bearing mechanism.
As shown in fig. 1 to 5, the locking bracket 400 is connected with a limiting block 406, which can fully utilize the limited space, and the limiting block and the locking bracket are integrally arranged, so that when the limiting bracket is installed in a corresponding assembly structure, other components are installed, guided and limited, so that the locking bracket has the function of installing the test box and can also be used for installing other box bodies, for example, in space station experiments, not only exposure experiments, but also possibly tribology experiments are performed on the material in the test chamber, which requires the installation of a friction chamber, set up the stopper on the locking support, can carry on spacingly to the friction case, be favorable to going on of tribology experiment, make the locking support obtain make full use of, also can realize in limited space, satisfy the experiment that exposes of a plurality of proof boxes, can also realize the tribology experiment even.
The test box locking mechanism of this embodiment can realize the fixed mounting of material exposure test box, and the test box provides installation space and provides airtight environment for exposing the material, and the material exposes the test box and utilizes the locking support above that to realize quick removable design, can plug and play with load mechanism. Baffle card on the proof box advances in the spout on the locking support, utilize the cooperation of direction mouth and spacing breach, realize the structure auto-lock, then the bolt is taken off to the pine on the rethread locking support and screws up fixedly, it is fixed with the baffle to compress tightly the locking support, the bolt does not take off and need not pass the proof box, utilize structural auto-lock relation and spout and baffle to compress tightly, realize that proof box and locking support's quick removable, it locks the proof box installation on load mechanism to recycle the locking support, can realize the stable quick assembly disassembly of proof box, it goes on to guarantee that the material exposes the experiment material to expose in the limited installation space of load under limited space station environment and stably in.
Example 2
As shown in fig. 1 to 7, the material exposure test box exposure apparatus of this embodiment includes the locking support mechanism and a base 600, the bearing mechanism 300 is installed on the base 600, the locking support 400 is arranged perpendicular to the base 600, the bearing mechanism 300 and the base 600 are respectively in a polygonal structure, and corresponding sides are arranged in parallel, at least one test box 200 is installed on each side of the bearing mechanism 300, and after the test box 200 is opened, its exposed surface is arranged perpendicular to the base 600 and extends to two ends of the corresponding side of the bearing mechanism 300.
Specifically, as shown in fig. 1 to 7, the bearing mechanism 300 is an integrally formed structure, the bearing mechanism 300 is a quadrilateral structure, one test box 200 is fixed on each of four sides of the bearing mechanism 300 through a locking bracket 400, and after the test box 200 is opened, the box cover 206 and the box body 207 of the test box 200 extend to the edge positions of the four sides of the bearing mechanism 300 respectively, that is, the four sides of the bearing mechanism 300 are fully occupied, and no space is wasted.
The device that exposes of this embodiment, fix the proof box on load mechanism through the locking support, make the proof box distribute around load mechanism, the exposure face perpendicular to base setting after opening the proof box, can realize realizing simultaneously realizing exposing the test to a plurality of proof boxes in the limited installation space of space station platform load, and overall structure is very compact, can realize that the astronaut is at the quick accurate dismouting of rail to the material test box, it is experimental for different materials, different time requirements provide and expose the support, stable in structure is firm, can satisfy the environmental requirement of space station.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A locking and supporting mechanism of a material exposure test box is characterized by comprising a plurality of locking supports and a force bearing mechanism, wherein the plurality of locking supports are vertically fixed on the outer peripheral side of the force bearing mechanism respectively; a sliding groove is formed in one side edge of the locking support, a limiting notch is formed in the groove wall of the sliding groove, a guiding locking piece is arranged on the locking support and penetrates through the two groove walls of the sliding groove; the side wall of the test box is provided with a baffle plate, the side wall of the test box is spaced from the baffle plate, an installation opening is formed between one end of the baffle plate and the side wall of the test box, a separation rib is arranged between the baffle plate and the side wall of the test box, the separation rib separates the baffle plate and the side wall of the test box into a plurality of installation grooves which are arranged up and down, and the baffle plate is provided with a guide opening;
the chute forms the groove wall of the limiting notch is inserted into the mounting groove, the separation rib is inserted into the limiting notch, and the guide locking piece is inserted into the guide opening and locks the baffle in the chute.
2. The material exposure test box locking and supporting mechanism as claimed in claim 1, wherein the bearing mechanism is an integrally formed hollow structure, a plurality of assembling openings are formed on the periphery of the bearing mechanism, the locking bracket is vertically installed in the assembling openings, and the test box is limited in the assembling openings.
3. The material exposure test chamber locking support mechanism of claim 2, wherein the test chamber comprises a chamber cover and a chamber body, wherein a vertical edge of the chamber cover is hinged to a vertical side wall of the open end of the chamber body; the baffle is positioned on the vertical side wall of the box body hinged with the box cover or/and the other vertical side wall of the box body, and the mounting opening is arranged towards one side departing from the box cover; the lower half parts of the two vertical side walls of the box body are respectively recessed to form step-shaped grooves, and the baffle plates are fixed in the grooves; the box body is limited in the assembly opening, and the box cover is positioned outside the assembly opening.
4. The material exposure test chamber locking and supporting mechanism as claimed in claim 3, wherein the number of the baffles is two, and the baffles are respectively located on two vertical side walls of two sides of the chamber body, and the two baffles are arranged in parallel with each other; the two locking supports are respectively locked with the two baffles correspondingly.
5. The material exposure test box locking and supporting mechanism of claim 3, wherein a plurality of through mounting holes are formed in the middle of the bearing mechanism, limiting blocks are respectively fixed on the locking support close to the mounting holes and the bearing mechanism, and the limiting blocks are both positioned on the upper surface of the bearing mechanism and around the mounting holes.
6. The material exposure test box locking and supporting mechanism as claimed in claim 5, wherein the limiting block is formed with a vertically arranged guide chute.
7. The material exposure test chamber locking and supporting mechanism as claimed in any one of claims 1 to 6, wherein the guide port comprises a transverse section and a vertical section which are communicated with each other, and the vertical section is located above the transverse section; the test box is arranged on the support, the transverse section moves along the guide locking piece, so that the test box moves transversely firstly, then the vertical section moves along the guide locking piece, so that the test box moves downwards, and the test box is assembled on the locking support.
8. The material exposure test box locking and supporting mechanism as claimed in any one of claims 1 to 6, wherein the number of the partition ribs is multiple, the number of the guide openings is multiple, and the multiple guide openings are located above the partition ribs in a one-to-one correspondence manner; the limiting notches are multiple, and the separating ribs are correspondingly inserted into the limiting notches one by one.
9. The material exposure test box locking and supporting mechanism as claimed in any one of claims 1 to 6, wherein a locking arm is vertically arranged on one side of the locking bracket, which faces away from the sliding chute, one end of the locking arm, which faces away from the sliding chute, extends downwards to form a clamping arm, and the clamping arm is arranged in parallel with the sliding chute and surrounds a limiting opening with the locking bracket and the locking arm.
10. A material exposure test box exposure device, which comprises the locking support mechanism and the base of any one of claims 1 to 9, wherein the bearing mechanism is mounted on the base, the locking support is arranged perpendicular to the base, the bearing mechanism and the base are respectively in a polygonal structure, corresponding sides are arranged in parallel, at least one test box is mounted on each side of the bearing mechanism, and after the test box is opened, the exposed surface of the test box is arranged perpendicular to the base.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911414693.8A CN111102459B (en) | 2019-12-31 | 2019-12-31 | Material exposure test box locking and supporting mechanism and exposure device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911414693.8A CN111102459B (en) | 2019-12-31 | 2019-12-31 | Material exposure test box locking and supporting mechanism and exposure device |
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| CN111102459A CN111102459A (en) | 2020-05-05 |
| CN111102459B true CN111102459B (en) | 2021-07-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114104343B (en) * | 2021-12-28 | 2023-12-15 | 中国科学院长春光学精密机械与物理研究所 | Butt-joint locking mechanism for space optical load |
| CN114537720B (en) * | 2022-02-21 | 2022-09-20 | 中国科学院空间应用工程与技术中心 | Space on-orbit centrifuge stator supporting assembly and centrifuge |
| CN116062195B (en) * | 2023-01-09 | 2023-07-21 | 中国科学院空间应用工程与技术中心 | Quick-detachable positioning and aligning device and positioning and aligning method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5893533A (en) * | 1996-06-18 | 1999-04-13 | The United Stated Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Combination space station handrail clamp and pointing device |
| GB2443267B (en) * | 2006-10-28 | 2010-01-27 | Wall Off | Visual display unit mount |
| CN105151322B (en) * | 2015-09-10 | 2017-03-08 | 兰州空间技术物理研究所 | A kind of it is applied to the attachment means that spacecraft exposes load out of my cabin |
| KR101684360B1 (en) * | 2015-10-06 | 2016-12-08 | 한국항공우주연구원 | Deflection preventing jig for test piece loading lift device |
| CN206211108U (en) * | 2016-12-09 | 2017-05-31 | 泰科电子(上海)有限公司 | Latch fitting, connector |
| CN107416234B (en) * | 2017-03-09 | 2019-12-13 | 兰州空间技术物理研究所 | load butt joint locking and locking indication interface device for space |
| CN206632968U (en) * | 2017-04-14 | 2017-11-14 | 金华市亚虎工具有限公司 | A kind of shears |
| CN208859284U (en) * | 2018-07-20 | 2019-05-14 | 杭州迈杰教育科技有限公司 | A kind of short focus projector bracket |
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