CN111056046B - Locking linkage mechanism for upper experiment box of material cabin outer exposure device - Google Patents

Abstract

The invention relates to a locking linkage mechanism of an experimental box on a material extravehicular exposure device, which comprises a plurality of experimental boxes and a linkage driving device, wherein each experimental box is respectively provided with a locking device, the plurality of locking devices are connected in series and then are connected with the linkage driving device, and the linkage driving device drives the plurality of locking devices to sequentially lock the experimental boxes. According to the invention, the experiment box is locked by the locking device, so that the exposed material sample is protected, the sample is prevented from being polluted in the processes of ground transportation, ascending, on-rail transportation and the like, and the ascending vibration environment can be borne; the linkage driving device is connected with the plurality of locking devices in series, so that the linkage driving device controls the locking of the plurality of experiment boxes, and the linkage design can save a large amount of power consumption, weight and volume resources and reduce the cost; and each experimental box is locked in sequence, so that the condition that the linkage driving device is stressed too much at one time when the experimental boxes are locked simultaneously is avoided.

Description

Locking linkage mechanism for upper experiment box of material cabin outer exposure device

Technical Field

The invention relates to the field of material extravehicular exposure experiments, in particular to a locking linkage mechanism of an experimental box on a material extravehicular exposure device.

Background

In space science research, the use of various materials, particularly new materials, is not isolated. The material space environment exposure experiment aims at researching the service behavior of the material under the action of space special environment effect.

In the material extravehicular exposure platform, the material extravehicular exposure experimental box provides an installation space and an exposure environment for various materials and provides a closed protection environment for the materials when necessary. Therefore, the material experiment box is required to be designed into an opening and closing door which can be opened and closed; in the ascending and descending processes of the material exposure experiment box, the material exposure experiment box can bear the vibration environment during launching; meanwhile, under the condition of limited power consumption, weight, volume and other resources, how to realize small occupied space needs to be considered, the cost is reduced, the structural mechanism is simplified, and the number of components is reduced.

Disclosure of Invention

The invention aims to solve the technical problem of the prior art, and provides a locking linkage mechanism of an upper experiment box of a material cabin outer exposure device, so as to solve at least one of the technical problems.

The technical scheme for solving the technical problems is as follows: the utility model provides a laboratory box locking link gear on material cabin outer exposure device, includes a plurality of laboratory boxes and a linkage drive arrangement, installs locking device on every laboratory box respectively, and a plurality of locking devices are connected in series and are connected with linkage drive arrangement, and linkage drive arrangement drives a plurality of locking devices and locks or unblock the corresponding laboratory box in proper order.

The invention has the beneficial effects that: the experiment box is locked by the locking device, so that the exposed material sample is protected, the sample is prevented from being polluted in the processes of ground transportation, ascending, on-rail transportation and the like, and the ascending vibration environment can be borne; the linkage driving device is connected with the plurality of locking devices in series, so that the linkage driving device controls the locking of the plurality of experiment boxes, and the linkage design can save a large amount of power consumption, weight and volume resources, reduce components and save cost; the experiment boxes are sequentially locked, so that the condition that the linkage driving device is stressed too much at one time when the experiment boxes are simultaneously locked is avoided; the positive and negative driving of the linkage driving device realizes locking or unlocking of the experiment box.

On the basis of the technical scheme, the invention can be further improved as follows.

Furthermore, the experimental box comprises a box door and a box body which are hinged, the locking device comprises a transmission device, a pin shaft arm, a sliding plate and a lock seat,

a first locking groove is formed in the vertical side wall of the box body; the sliding plate is connected with the vertical side wall of the box body in a sliding mode, a lock pin is fixedly mounted on the sliding plate, and the lock pin is inserted into the first locking groove; the lock seat is arranged on the vertical side wall of the box door corresponding to the first locking groove;

the transmission device is connected with a spline at one end of the pin shaft arm, and the other end of the pin shaft arm is rotationally connected with the sliding plate;

when the box door is closed, the lock seat is inserted into the first locking groove, the linkage driving device drives the transmission devices to rotate, the sliding plates are driven to sequentially move from the first position to the second position, and the lock pins and the corresponding lock seats are sequentially clamped.

The beneficial effect of adopting the further scheme is that: the spline can transmit motion and power; the power of the linkage driving device is converted into the power of the sliding plate through the transmission device, so that the sliding plate is driven; when the sliding plate is at the first position, the lock seat can be inserted into the first locking groove without obstacles; after the lock seat is inserted into the first locking groove, the linkage driving device drives the sliding plate to move from the first position to the second position, so that the lock pin is clamped with the lock seat, the lock seat cannot be separated from the first locking groove, and the locking of the box door and the box body is realized; the invention uses a linkage driving device to drive a plurality of transmission devices to rotate simultaneously, and each transmission device sequentially drives a plurality of sliding plates to sequentially move from the first position to the second position, thereby reducing the requirements on the power and the strength of the linkage driving device.

Further, the linkage driving device comprises a driving mechanism, a transmission shaft, a winding mechanism, a central shaft, a positioning shell, a first steel wire rope joint, a second steel wire rope joint and a steel wire rope, wherein the central shaft is fixedly arranged in the positioning shell, the transmission shaft is rotatably arranged in the positioning shell, and the central shaft and the transmission shaft are coaxially arranged; the winding mechanism is arranged in the positioning shell, one end of the winding mechanism is in threaded connection with the central shaft, and the other end of the winding mechanism is in splined connection with the transmission shaft;

the first steel wire rope joint and the second steel wire rope joint are respectively fixedly arranged on the outer side wall of the positioning shell and are communicated with the inside of the positioning shell;

the middle part of the steel wire rope is sequentially connected with a plurality of transmission devices in series, and two ends of the steel wire rope respectively penetrate into the positioning shell from the first steel wire rope joint and the second steel wire rope joint and are respectively wound on the winding mechanism;

the driving mechanism drives the transmission shaft to rotate, drives the winding mechanism to rotate and move along the axial direction of the central shaft and the transmission shaft, so that the steel wire rope moves to drive the plurality of transmission devices to rotate, and the wire outlet length or the wire inlet length of the first steel wire rope joint is equal to the wire inlet length or the wire outlet length of the second steel wire rope joint.

The beneficial effect of adopting the further scheme is that: the central shaft is fixedly arranged in the positioning shell, and the positioning shell provides a positioning and fixing foundation for the central shaft; the winding mechanism is connected with the transmission shaft through a spline, the transmission shaft only transmits power and torque, and the axial movement freedom degree of the winding mechanism on the transmission shaft is released; the driving mechanism drives the transmission shaft to rotate and drives the winding mechanism to rotate, and the winding mechanism rotates under the rotation action of the transmission shaft and simultaneously moves along the axial directions of the central shaft and the transmission shaft as the winding mechanism is in threaded connection with the central shaft and the position of the central shaft is fixed; the wire winding mechanism is wound with a steel wire rope, one side of the steel wire rope on the rotating wire winding mechanism extends out or contracts from the first steel wire rope joint, and the other side of the steel wire rope on the rotating wire winding mechanism contracts or extends out from the second steel wire rope joint; meanwhile, the winding mechanism moves linearly while rotating, so that the distance difference between the first steel wire rope joint and the second steel wire rope joint when the steel wire rope stretches can be compensated, the wire outlet length or the wire inlet length of the first steel wire rope joint is equal to the wire inlet length or the wire outlet length of the second steel wire rope joint, the length of the external steel wire rope between the first steel wire rope joint and the second steel wire rope joint is ensured to be unchanged, and the accurate control of the steel wire rope on each transmission device is realized.

Further, the transmission device comprises a locking turntable and a locking gear disc, gear sections are arranged on the outer peripheral side of the locking turntable, and when the locking turntable rotates to a preset position, the gear sections are meshed with the locking gear disc; an output shaft of the locking gear disc is connected with one end of the pin shaft arm through a spline;

when the experiment box is locked or unlocked, the distance between the initial positions of the plurality of gear sections and the corresponding preset positions is gradually increased along the moving direction of the steel wire rope;

the steel wire rope drives the locking turnplates on the plurality of experimental boxes to rotate, and the plurality of gear sections are sequentially meshed with the corresponding locking gear plates to realize sequential locking or unlocking.

The beneficial effect of adopting the further scheme is that: when the gear section is meshed with the locking gear disc, the locking gear disc rotates under the acting force of the gear section, and then the pin shaft arm is driven to rotate, so that the other end of the pin shaft arm drives the sliding plate to move; the distance between the gear section of the locking turntable on each experimental box and the corresponding locking gear plate is preset to be increased in sequence, so that the aim of sequential meshing can be fulfilled.

Furthermore, the transmission device also comprises a reel which is coaxially and fixedly connected with the locking turntable; a steel wire rope is spirally wound on each winding wheel and a plurality of winding wheels are connected in series; the steel wire rope drives the winding wheel to rotate, and then drives the locking turntable to rotate.

The beneficial effect of adopting the further scheme is that: the driving steel wire rope is a power transmission device and can transmit the motion and the power from the linkage driving device to the locking turntable; the steel wire rope has the characteristic that the layout can be changed along with the main structure, the occupied space is small, and the adjusting capacity is strong.

Furthermore, the locking device also comprises a locking transmission box shell and a spring collision bead, the transmission device is arranged in the locking transmission box shell, and the spring collision bead is arranged on the locking transmission box shell; the locking gear disc is provided with a positioning groove, and when the locking gear disc rotates to a preset position, the locking spring hits the ball and is in adaptive clamping connection with the positioning groove.

The beneficial effect of adopting the further scheme is that: the positioning groove is formed in the locking gear disc, the spring collision bead is installed on the locking transmission box shell, when the locking gear disc is not meshed with the gear section, the spring collision bead is clamped in the positioning groove, the locking gear disc cannot rotate, the pin shaft arm is positioned, and then the sliding plate is positioned, so that the experiment boxes cannot be influenced when being sequentially locked or unlocked.

The connecting plate is rotatably connected with the other end of the pin shaft arm; the round hole has been seted up on the connecting plate, and the rectangular shape hole has been seted up to the other end of round pin axle arm, and the one end of pivot is fixed in the round hole, and the other end stretches into in the rectangular shape hole and swivelling joint, and can slide along the length direction in rectangular shape hole.

The beneficial effect of adopting the further scheme is that: the connecting plate is arranged, so that the sliding plate can be conveniently arranged, and the reasonable layout of the whole body is realized; the other end of the pin shaft arm does circular motion, the connecting plate does linear motion, and the other end of the pin shaft arm is provided with the strip-shaped hole, so that space is provided for motion, and the structure is feasible.

Furthermore, a sliding groove is formed in the sliding plate, a sliding shaft is fixed on the vertical side wall of the box body, and the sliding shaft penetrates through the sliding groove and is in sliding connection with the sliding groove.

The beneficial effect of adopting the further scheme is that: the sliding plate is guided and positioned by the sliding groove and the sliding shaft.

Furthermore, a second locking groove is formed in the box door corresponding to the first locking groove, and the lock seat is fixed to one side of the opening end of the second locking groove and surrounds a space for movement of the lock pin with the side wall of the second locking groove.

The beneficial effect of adopting the further scheme is that: the lockpin removes to the back with lock seat joint, and the sliding plate still laminates in the outside of experimental box, and what utilize is the space that the experimental box occupy, does not additionally occupy exterior space, improves space utilization.

Furthermore, one side of the lock seat, which is far away from the box body, is a slope surface, and the upper part of the slope surface is inwards sunken to form an arc-shaped assembly opening; the lockpin is cylindrical, and when the sliding plate removed to the second position, lockpin and arc assembly opening adaptation joint.

The beneficial effect of adopting the further scheme is that: the slope surface is a reinforcement slope surface, so that the lock pin can move conveniently after the box door of the experiment box moves in place; thereby locking the door.

Drawings

FIG. 1 is an overall schematic view of the present invention;

FIG. 2 is an exploded view of the locking device of the present invention installed on a laboratory box;

FIG. 3 is a schematic view of the locking device of the present invention installed on a laboratory box;

FIG. 4 is a schematic cross-sectional view of the transmission of the present invention;

FIG. 5 is a schematic view of a reel and locking dial in the present invention;

FIG. 6 is a partial schematic view of the transmission of the present invention;

FIG. 7 is a schematic view of a linkage drive according to the present invention;

fig. 8 is an exploded view of the components of the positioning housing and the driving housing of fig. 7.

In the drawings, the components represented by the respective reference numerals are listed below:

10. the experimental box comprises a test box body, a 110, a box door, a 111, a second locking groove, a 120, a box body, a 121, a first locking groove, a 122, an assembly groove, a 123, a cover plate, a 124, a limiting hole, a 220, a transmission device, a 221, a locking turntable, a 222, a gear section, a 223, a locking gear disc, a 224, a reel, a 225A, a locking transmission box base, a 225B, a locking transmission box shell, a 225C, a rope through hole, a 226, an upper rope knot groove, a 227, a lower rope knot groove, a 228, a spring ball, a 230, a pin shaft arm, a 231, a long strip-shaped hole, a 300, a sliding plate, a 310, a locking pin, a 320, a connecting plate, a 330, a sliding groove, a 400, a; 800. mounting a bracket on a rail;

700. linkage drive arrangement, 710, actuating mechanism, 720, transmission shaft, 721, joint recess, 731, first rope winding wheel, 732, second rope winding wheel, 740, center pin, 750, location casing, 760A, first wire rope connects, 760B, second wire rope connects, 770, wire rope, 780, drive casing, 781, drive lid, 782, fixture block, 783, joint are protruding.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.

Example 1

As shown in fig. 1 to 8, the locking linkage mechanism for the experimental boxes on the material extravehicular exposure device comprises a plurality of experimental boxes 10 and a linkage driving device 700, wherein each experimental box 10 is provided with a locking device, the locking devices are connected in series and connected with the linkage driving device 700, and the linkage driving device 700 drives the locking devices to sequentially lock or unlock the corresponding experimental boxes 10.

The experiment box 10 is locked by the locking device, so that the exposed material sample is protected, the sample is prevented from being polluted in the processes of ground transportation, ascending, on-rail transportation and the like, and the ascending vibration environment can be borne; the linkage driving device 700 is connected with a plurality of locking devices in series, so that the linkage driving device 700 controls the locking of a plurality of experimental boxes 10, and the linkage design can save a large amount of power consumption, weight and volume resources, reduce components and save cost; the experiment boxes 10 are sequentially locked, so that the condition that the linkage driving device 700 is stressed too much at one time when the experiment boxes are simultaneously locked is avoided; the positive and negative driving of the linkage driving device realizes locking or unlocking of the experiment box.

As shown in fig. 1 to 8, a locking linkage mechanism of a laboratory box on a material extravehicular exposure apparatus, the laboratory box 10 comprises a door 110 and a box body 120 which are hinged, the locking mechanism comprises a transmission device 220, a pin arm 230, a sliding plate 300 and a lock seat 400,

a first locking groove 121 is formed on the vertical side wall of the box body 120; the sliding plate 300 is slidably connected with the vertical side wall of the box body 120, and a locking pin 310 is fixedly installed on the sliding plate 300, and the locking pin 310 is inserted into the first locking groove 121; the latch holder 400 is installed on the vertical sidewall of the door 110 corresponding to the first latching recess 121;

the transmission device 220 is in splined connection with one end of the pin shaft arm 230, and the other end of the pin shaft arm 230 is rotationally connected with the sliding plate 300;

when the door 110 is closed, and the lock base 400 is inserted into the first locking groove 121, the linkage driving device 700 drives the plurality of transmission devices 220 to rotate, so as to drive the plurality of sliding plates 300 to sequentially move from the first position to the second position, and the lock pins 310 are sequentially connected with the corresponding lock bases 400 in a clamping manner.

Preferably, the spline is an involute spline, and the involute spline can transmit motion and power; the power of the linkage driving device 700 is converted into the power of the sliding plate 300 through the transmission device 220, so that the sliding plate 300 is driven; when the sliding plate 300 is at the first position, the lock base 400 can be inserted into the first locking groove 121 without hindrance; after the lock base 400 is inserted into the first locking groove 121, the linkage driving device 700 drives the sliding plate 300 to move from the first position to the second position, so that the lock pin 310 is clamped with the lock base 400, the lock base 400 cannot be separated from the first locking groove 121, and the locking of the box door 110 and the box body 120 is realized, in the invention, the box door 110 of the experimental box 10 on the material extravehicular exposure device is locked with the box body 120, and the vibration environment is borne; in the invention, one linkage driving device 700 is used for driving a plurality of transmission devices 220 to rotate at the same time, and each transmission device 220 sequentially drives a plurality of sliding plates 300 to sequentially move from the first position to the second position, so that the requirements on the power and the strength of the linkage driving device 700 are reduced.

When it is desired to open the door 110, the driving mechanism 710 drives the sliding plate 300 to move from the second position to the first position, so that the lock pin 310 is separated from the lock base 400, the lock base 400 can be separated from the first locking recess 121, and the door 110 can be opened.

Specifically, the door 110 is hinged to the box body 120 through a hinge, and the hinge and the locking device are respectively located at two sides of the experimental box.

Specifically, as shown in fig. 1, the plurality of test boxes 10 are respectively mounted on the on-rail mounting brackets 800, and the slide plate 300 is movably interposed between the side wall of the housing 120 and the on-rail mounting brackets 800.

In the present embodiment, the sliding plate 300 is slidably mounted on the outer side of the vertical sidewall of the box body 120, since the exposed material sample is mounted inside the experiment box 10 through the sample tray, the sample tray is detachably mounted in the door 110 and the open end of the box body 120, and the sliding plate 300 is mounted on the outer side of the box body 120, so that the influence of the moving sliding plate 300 on the sample tray or sample inside the experiment box 10 can be avoided.

As shown in fig. 1 to 8, a locking linkage mechanism of an upper experimental box of a material cabin outer exposure device, a linkage driving device 700 comprises a driving mechanism 710, a transmission shaft 720, a winding mechanism, a central shaft 740, a positioning shell 750, a first wire rope connector 760A, a second wire rope connector 760B and a wire rope 770, the central shaft 740 is fixedly arranged in the positioning shell 750, the transmission shaft 720 is rotatably arranged in the positioning shell 750, and the central shaft 740 and the transmission shaft 720 are coaxially arranged; the winding mechanism is arranged in the positioning shell 750, one end of the winding mechanism is in threaded connection with the central shaft 740, and the other end of the winding mechanism is in splined connection with the transmission shaft 720;

the first wire rope connector 760A and the second wire rope connector 760B are respectively fixedly arranged on the outer side wall of the positioning shell 750 and are communicated with the inside of the positioning shell 750;

the plurality of transmission devices 220 are sequentially connected in series in the middle of the steel wire rope 770, and two ends of the steel wire rope 770 penetrate into the positioning shell 750 from the first steel wire rope joint 760A and the second steel wire rope joint 760B and are respectively wound on the winding mechanism;

the driving mechanism 710 drives the transmission shaft 720 to rotate, drives the winding mechanism to rotate and move along the central axis 740 and the axial direction of the transmission shaft 720, so that the steel wire 770 moves to drive the plurality of transmission devices 220 to rotate, and the outgoing length or incoming length of the first steel wire rope connector 760A is equal to the incoming length or outgoing length of the second steel wire rope connector 760B.

The central shaft 740 is fixedly arranged in the positioning shell 750, and the positioning shell 750 provides a positioning and fixing foundation for the central shaft 740; the winding mechanism is in splined connection with the transmission shaft 720, the transmission shaft 720 only transmits power and torque, and meanwhile, the axial movement freedom degree of the winding mechanism on the transmission shaft 720 is released; the driving mechanism 710 drives the transmission shaft 720 to rotate to drive the winding mechanism to rotate, and the winding mechanism rotates under the rotation action of the transmission shaft 720 and moves along the axial directions of the central shaft 740 and the transmission shaft 720 simultaneously because the winding mechanism is in threaded connection with the central shaft 740 and the position of the central shaft 740 is fixed; the wire rope 770 is wound on the winding mechanism, one side of the wire rope 770 on the rotating winding mechanism extends out or contracts from the first wire rope connector 760A, and the other side of the wire rope 770 on the rotating winding mechanism contracts or extends out from the second wire rope connector 760B; meanwhile, the winding mechanism moves linearly while rotating, so that the distance difference between the steel wire rope 770 and the first steel wire rope joint 760A and the second steel wire rope joint 760B during expansion and contraction can be compensated, the outgoing line length or the incoming line length of the first steel wire rope joint 760A is equal to the incoming line length or the outgoing line length of the second steel wire rope joint 760B, the length of the steel wire rope 770 between the first steel wire rope joint 760A and the second steel wire rope joint 760B is kept unchanged, and accurate control of the steel wire rope 770 on each transmission device 220 is realized.

Specifically, one end of the transmission shaft 720 connected with the winding mechanism is designed as a square rectangular key for transmitting torque; simultaneously, the axial movement freedom degree of the winding mechanism on the transmission shaft 720 is released; in the transmission process, the winding mechanism slides up and down along with the movement of the steel wire rope.

As shown in fig. 7 and 8, the winding mechanism includes a first winding wheel 731 and a second winding wheel 732, the first winding wheel 731 is screwed with the central shaft 740, the second winding wheel 732 is splined with the transmission shaft 720, and the first winding wheel 731 is fixedly connected with the second winding wheel 732; both ends of the wire rope are wound around the first and second rope winding wheels 731 and 732, respectively.

The two end points of the steel wire rope can be conveniently fixed by being conveniently disassembled and assembled, and the whole strength of the winding mechanism can be improved by being divided into two winding wheels which are fixedly connected.

Specifically, as shown in fig. 8, the lower portion of the first rope winding wheel 731 is extended to form an insertion protrusion, the insertion protrusion is inserted into the second rope winding wheel 732 to realize centering of the first rope winding wheel 731 and the second rope winding wheel 732, then the first rope winding wheel 731 and the second rope winding wheel 732 are fixedly connected through a long bolt, and the long bolt is inserted into the second rope winding wheel 732 through the first rope winding wheel 731.

Specifically, two end points of the wire rope are fastened to the first and second rope winding wheels 731 and 732, respectively.

As shown in fig. 7 and 8, the first and second rope winding wheels 731 and 732 are respectively provided with the same thread winding grooves; two ends of the steel wire rope are respectively wound along the thread winding grooves, and the winding directions are opposite.

The winding directions of the two ends of the steel wire rope on the first reel and the second reel are opposite. The outgoing line length is equal to the incoming line length.

The first rope winding wheel 731 is connected with the spline shaft of the transmission shaft 720, receives power transmitted by the spline shaft, moves along with the steel wire rope and moves up and down on the spline shaft; the second rope winding wheel 732 is fixedly connected with the first rope winding wheel 731 through a screw, and the second rope winding wheel 732 correspondingly rotates or ascends and descends in the rotating and ascending and descending processes of the first rope winding wheel 731; when one reel winds the wire rope, the other reel releases the wire rope, i.e., the wire rope enters or exits at the first wire rope connector 760A, while entering or exiting at the second wire rope connector 760B; and the outgoing length is ensured to be equal to the incoming length.

As shown in fig. 7 and 8, the linkage driving device 700 further includes a driving housing 780, and the driving housing 780 is fixedly connected and communicated with the positioning housing 750; the driving mechanism is disposed in the driving housing, and one end of the transmission shaft 720 far away from the winding mechanism extends into the driving housing 780 and is in transmission connection with the driving mechanism.

The drive housing 780 provides a fixed position for the drive shaft 720, allowing the drive shaft 720 to rotate only, limiting the axial degree of freedom of the drive shaft 720.

As shown in fig. 7 and 8, the linkage driving device 700 further includes a driving cover 781 and a fixture 782, the driving cover 781 is sleeved on the transmission shaft 720 and is fixedly connected to the driving housing 780, and the fixture 782 is disposed between the driving cover 781 and the transmission shaft 720 and is fixedly connected to the driving cover 781; the periphery of transmission shaft 720 is inwards sunken to form annular joint recess 721, is equipped with joint arch 783 on fixture block 782, joint arch 783 and joint recess 721 adaptation joint.

Realize the spacing and rotatable of joint of transmission shaft 720.

As shown in fig. 7 and 8, the drive mechanism 710 is a worm gear motor, providing motion and power.

Specifically, the worm and gear motor comprises a motor, a worm and a worm gear, wherein the worm is connected to the output end of the motor, and the worm gear is connected with the worm. The transmission shaft 720 is inserted into the center of the turbine and connected by a flat key. The motor output motion and power are transmitted to the transmission shaft 720 while changing the transmission direction.

As shown in fig. 1-8, a locking linkage mechanism of an upper experimental box of a material cabin outer exposure device, a transmission device 220 comprises a locking turntable 221 and a locking gear disc 223, a gear section 222 is arranged on the outer peripheral side of the locking turntable 221, and when the locking turntable 221 rotates to a preset position, the gear section 222 is meshed with the locking gear disc 223; the output shaft of the locking gear plate 223 is splined to one end of the pin shaft arm 230;

when the experiment box 10 is locked or unlocked, the distance between the initial position of the plurality of gear segments 222 and the corresponding preset position is gradually increased along the moving direction of the steel wire rope 770;

the steel cable 770 drives the locking turntables 221 on the plurality of experimental boxes 10 to rotate, and the plurality of experimental boxes are sequentially locked or unlocked by sequentially engaging the plurality of gear sections 222 with the corresponding locking gear discs 223.

When the gear segment 222 is engaged with the locking gear disc 223, the locking gear disc 223 rotates under the action of the gear segment 222, and then the pin shaft arm 230 is driven to rotate, so that the other end of the pin shaft arm 230 drives the sliding plate 300 to move;

preferably, in this embodiment, only one segment of the outer circumference of each locking dial 221 is a gear segment, so that the rotation time and position of the pin shaft arm 230 can be controlled. The applicability is improved. The locking time of a plurality of experimental boxes can be controlled by setting the initial positions and the preset positions of the gear section 222 and the locking gear disc 223 on different experimental boxes to be different.

The distances between the initial positions of the plurality of gear segments 222 and the corresponding preset positions are gradually increased along the moving direction of the wire rope 770, that is, the relative positions of the initial positions of the plurality of gear segments 222 and the locking gear plate 223 are gradually increased along the moving direction of the wire rope 770.

Specifically, when locking and unlocking, the moving directions of the steel wire ropes are opposite.

The sequential meshing can be achieved by presetting the distances between the gear segments 222 of the lock dial 221 and the corresponding lock gear disks 223 of each test box 10 to be sequentially increased.

1-8, the transmission device 220 also comprises a reel 224, and the reel 224 is coaxially and fixedly connected with a locking turntable 221; a wire rope 770 is helically wound around each reel 224 and connects the plurality of reels 224 in series; the cable 770 causes the reel 224 to rotate, which in turn causes the lock dial 221 to rotate.

A driving wire 770, which is a power transmission device, for transmitting the motion and power from the linkage driving device 700 to the locking turntable 221; the steel wire rope 770 has the characteristic that the layout can change along with the main structure, occupies small space and has strong adjusting capability.

As shown in fig. 5 and 6, the reel 224 includes at least two layers of winding grooves, the side walls of the two outer layers of winding grooves are respectively formed with an upper knot groove 226 and a lower knot groove 227 in a recessed manner, a steel wire rope 770 is spirally wound on the winding grooves, and two knots are arranged on the steel wire rope, namely an upper knot and a lower knot, the upper knot is clamped in the upper knot groove 226, the lower knot is clamped in the lower knot groove 227 to play a role in positioning, when the winding mechanism pulls the steel wire rope, the upper knot or the lower knot exerts an acting force on the reel 224 to drive the reel 224 to rotate.

As shown in FIGS. 1-8, the locking linkage mechanism of the experimental box on the material extravehicular exposure device, the locking device further comprises a locking transmission box shell 225B and a spring collision bead 228, the transmission device 220 is arranged in the locking transmission box shell 225B, and the spring collision bead 228 is arranged on the locking transmission box shell 225B; the locking gear plate 223 is provided with a positioning groove, and when the locking gear plate 223 rotates to a preset position, the locking spring collision ball 228 is in adaptive clamping connection with the positioning groove.

The locking gear disc 223 is provided with a positioning groove, the locking transmission box shell 225B is provided with a spring collision bead 228, when the locking gear disc 223 is not meshed with the gear section 222, the spring collision bead 228 is clamped in the positioning groove, the locking gear disc 223 cannot rotate, the positioning of the pin shaft arm 230 is realized, the positioning of the sliding plate 300 is further realized, and thus, the experiment boxes 10 cannot be mutually influenced when being sequentially locked or unlocked.

Preferably, in this embodiment, the number of the experiment boxes is three, the number of the positioning slots on each locking gear disk 223 is three, and each locking gear disk 223 corresponds to one spring collision bead 228.

As shown in fig. 1 to 8, the locking linkage mechanism of the upper experimental box of the material extravehicular exposure device further comprises a rotating shaft, a connecting plate 320 is fixedly connected to the sliding plate 300, and the connecting plate 320 is rotatably connected with the other end of the pin shaft arm 230; the connecting plate 320 is provided with a round hole, the other end of the pin shaft arm 230 is provided with a strip-shaped hole 231, one end of the rotating shaft is fixed in the round hole, the other end of the rotating shaft extends into the strip-shaped hole 231 and is in rotating connection with the same, and the rotating shaft can slide along the length direction of the strip-shaped hole 231.

The connecting plate 320 is arranged, so that the sliding plate 300 can be conveniently arranged, and the reasonable layout of the whole sliding plate is realized;

specifically, a strip-shaped limiting hole 124 is arranged in the assembling groove 122, one end of the rotating shaft is inserted into the limiting hole 124, or the other end of the rotating shaft is inserted into the limiting hole 124 after penetrating through the strip-shaped hole 231, so that the up-and-down moving position of the rotating shaft is further limited; the other end of the pin shaft arm 230 makes a circular motion, the connecting plate 320 makes a linear motion, and a long hole 231 is formed in the other end of the pin shaft arm 230, so that a space is provided for movement, and the structure is feasible.

Specifically, as shown in fig. 2 and 3, a portion of the bottom wall of the box 120 near the vertical side wall is recessed to form an assembly groove 122, and the pin arm 230 is located in the assembly groove 122; the cover plate 123 and the actuator 220 are omitted from fig. 2.

The sliding plate assembly further comprises a cover plate 123, wherein the cover plate 123 is installed at one side of the open end of the assembly groove 122 and forms an opening with the assembly groove 122, the opening faces the sliding plate 300, one end of the connecting plate 320 is located in the assembly groove 122, and the other end of the connecting plate passes through the opening and is fixedly connected with the sliding plate 300. The sliding plate 300 covers the outside of the opening. The structural design reasonably utilizes space.

As shown in fig. 1, 2 and 4, the locking device further includes a locking transmission box base 225A and a locking transmission box housing 225B, the transmission box base and the locking transmission box housing 225B surround to form a transmission cavity for installing the transmission device 220, the locking transmission box base 225A is fixedly installed on the outer side of the bottom wall of the box body 120 or on the installation bracket, and an output shaft of the locking gear plate 223 penetrates through the locking transmission box base 225A to be connected with one end of the pin shaft arm 230 through a spline. The locking transmission box shell 225B is provided with a rope passing hole for a steel wire rope to pass through.

Specifically, the two ends of the steel wire rope respectively penetrate out of the two rope penetrating holes, the steel wire rope is pulled forward and backward through the linkage driving device, forward and backward rotation of the reel 224 is achieved, and finally reciprocating motion of the sliding plate at the first position and the second position is achieved.

As shown in fig. 1 to 8, in the locking linkage mechanism of the upper experimental box of the material cabin outer exposure device, a sliding groove 330 is formed on a sliding plate 300, a sliding shaft is fixed on a vertical side wall of a box body 120, and the sliding shaft penetrates through the sliding groove 330 and is connected with the sliding groove 330 in a sliding manner.

The movement of the sliding plate 300 is guided and positioned by the sliding grooves 330 and the sliding shaft.

The present invention provides a redundant design by having various limit structures to secure the positions of the first and second positions of the sliding plate 300.

As shown in fig. 1 to 8, in the locking linkage mechanism of the upper experimental box of the material extravehicular exposure apparatus, a second locking groove 111 is formed on the box door 110 corresponding to the first locking groove 121, and a lock seat 400 is fixed on one side of an open end of the second locking groove 111 and encloses a space for the movement of a lock pin 310 with a side wall of the second locking groove 111.

After the locking pin 310 moves to be clamped with the locking seat 400, the sliding plate 300 is still attached to the outer side of the experimental box 10, the space occupied by the experimental box 10 is utilized, no external space is additionally occupied, the space utilization rate is improved, and the space for performing the on-rail exposure experiment outside the space station cabin is limited.

Specifically, an opening for a through hole of the lock pin 310 is formed between the lower end of the lock holder 400 and the lower sidewall of the second locking recess 111, the lock holder 400 passes over the lock pin 310 when being inserted into the first locking recess 121, and the lock pin 310 is inserted into the first locking recess 121 at the same time.

As shown in fig. 1-8, in the experimental box locking linkage mechanism on the material cabin outer exposure device, one side of a lock seat 400 far away from a box body 120 is a slope, and the upper part of the slope is inwards sunken to form an arc-shaped assembly opening 410; the locking pin 310 is cylindrical, and when the sliding plate 300 moves to the second position, the locking pin 310 is fittingly engaged with the arc-shaped assembling hole 410.

The slope surface is a force-increasing slope surface, so that the lock pin 310 can move conveniently after the box door 110 of the experimental box 10 moves in place; thereby locking the door 110.

In the unlocked state, when the sliding plate 300 is in the first position, the lock housing 400 can be inserted into the first locking groove 121 without obstruction.

When the box door 110 is closed, after the lock seat 400 is inserted into the first locking groove 121, the linkage driving device drives the reel 224 of each experimental box to rotate by pulling the steel wire rope, and further drives the locking turntable 221 of each experimental box to rotate;

each locking turntable 221 rotates to a preset position in sequence, each gear segment 222 is meshed with the corresponding locking gear disc 223 in sequence to drive the locking gear disc 223 to rotate in sequence, the locking gear disc 223 drives one end of the pin shaft arm 230 to rotate, the other end of the pin shaft arm 230 rotates around one end of the pin shaft arm 230 to further drive the connecting plate 320 to move, so that the sliding plate 300 moves to a second position from a first position, the lock pin 310 is clamped with the arc-shaped assembling port 410 of the lock seat 400, the lock seat 400 cannot be separated from the first locking groove 121, and locking of the box door 110 and the box body 120 is achieved.

That is to say, after the first experiment box finishes the locking, continue to stimulate wire rope, set up the constant head tank on the locking gear dish 223 of first experiment box this moment and hit ball 228 joint cooperations with the spring, and locking gear dish 223 does not mesh with gear section 222, and locking gear dish 223 can not take place to rotate, has realized the location to pintle arm 230, and then realizes keeping the locking state of first experiment box.

Then, the second test box is pulled by the wire rope, and the gear section 222 of the second test box is meshed with the locking gear disc 223 to rotate, so that the second test box is locked.

The locking of a plurality of experimental boxes is realized in sequence, the linkage driving device only performs the locking work of one experimental box each time, and the gear sections of the locking turntables 221 of the other experimental boxes are not connected with the locking gear plate 223.

When the previous experiment box is locked, the gear section of the locking turntable 221 of the next experiment box is gradually close to the locking gear plate 223.

In the description herein, reference to the terms "embodiment one," "embodiment two," "example," "specific example," or "some examples," etc., means that a particular method, apparatus, or feature 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, methods, apparatuses, 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.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (9)

1. A locking linkage mechanism for a test box on a material extravehicular exposure device is characterized by comprising a plurality of test boxes and a linkage driving device, wherein each test box is provided with a locking device, the locking devices are connected in series and connected with the linkage driving device, and the linkage driving device drives the locking devices to sequentially lock or unlock the corresponding test boxes;

the experimental box comprises a box door and a box body which are hinged, and the locking device comprises a transmission device, a pin shaft arm, a sliding plate and a lock seat;

a first locking groove is formed in the vertical side wall of the box body; the sliding plate is connected with the vertical side wall of the box body in a sliding mode, a lock pin is fixedly installed on the sliding plate, and the lock pin is inserted into the first locking groove; the lock seat is arranged on the vertical side wall of the box door corresponding to the first locking groove;

the transmission device comprises a locking turntable and a locking gear disc, wherein gear sections are arranged on the outer peripheral side of the locking turntable, and are meshed with the locking gear disc when the locking turntable rotates to a preset position; an output shaft of the locking gear disc is connected with one end of the pin shaft arm through a spline;

the other end of the pin shaft arm is rotatably connected with the sliding plate;

when the box door is closed, the lock seat is inserted into the first locking groove, the linkage driving device drives the locking turnplates on the plurality of experimental boxes to rotate through the steel wire rope, the gear sections are sequentially meshed with the corresponding locking gear plates to drive the sliding plates to sequentially move from the first position to the second position, so that the lock pin is sequentially clamped with the corresponding lock seat, and sequential locking or unlocking is realized.

2. The locking linkage mechanism of the experimental box on the material extravehicular exposure device, according to claim 1, wherein the distance between the initial position of the plurality of gear segments and the corresponding preset position is gradually increased along the moving direction of the steel wire rope when the experimental box is locked or unlocked.

3. The locking linkage mechanism of the experimental box on the material extravehicular exposure device according to claim 1, wherein the linkage driving device comprises a driving mechanism, a transmission shaft, a winding mechanism, a central shaft, a positioning shell, a first steel wire rope joint, a second steel wire rope joint and a steel wire rope, the central shaft is fixedly arranged in the positioning shell, the transmission shaft is rotatably arranged in the positioning shell, and the central shaft and the transmission shaft are coaxially arranged; the winding mechanism is arranged in the positioning shell, one end of the winding mechanism is in threaded connection with the central shaft, and the other end of the winding mechanism is in splined connection with the transmission shaft;

the first steel wire rope joint and the second steel wire rope joint are respectively fixedly arranged on the outer side wall of the positioning shell and are communicated with the inside of the positioning shell;

the transmission devices are sequentially connected in series in the middle of the steel wire rope, and two ends of the steel wire rope penetrate into the positioning shell from the first steel wire rope joint and the second steel wire rope joint respectively and are wound on the winding mechanism respectively;

the driving mechanism drives the transmission shaft to rotate, drives the winding mechanism to rotate and move along the central shaft and the axial direction of the transmission shaft, so that the steel wire ropes move to drive the transmission devices to rotate, and the wire outlet length or the wire inlet length of the first steel wire rope joint is equal to the wire inlet length or the wire outlet length of the second steel wire rope joint.

4. The locking linkage mechanism of the experimental box on the material extravehicular exposure device, according to claim 1, characterized in that the transmission device further comprises a reel, and the reel is coaxially and fixedly connected with the locking turntable; the wire rope is spirally wound on each of the reels and connects the plurality of reels in series; the steel wire rope drives the reel to rotate, and then drives the locking turntable to rotate.

5. The experimental box locking linkage mechanism on material extravehicular exposure apparatus of claim 3, wherein the locking device further comprises a locking transmission box housing and a spring striking ball, the transmission device is mounted in the locking transmission box housing, and the spring striking ball is mounted on the locking transmission box housing; the locking gear disc is provided with a positioning groove, and when the locking gear disc rotates to a preset position, the spring collision bead is in adaptive clamping connection with the positioning groove.

6. The locking linkage mechanism of the experimental box on the material extravehicular exposure apparatus according to any one of claims 1 to 4, further comprising a rotating shaft, wherein a connecting plate is fixedly connected to the sliding plate, and the connecting plate is rotatably connected to the other end of the pin shaft arm; the connecting plate is provided with a round hole, the other end of the pin shaft arm is provided with a strip-shaped hole, one end of the rotating shaft is fixed in the round hole, and the other end of the rotating shaft extends into the strip-shaped hole and is in rotating connection with the strip-shaped hole and can slide along the length direction of the strip-shaped hole.

7. The locking linkage mechanism of the experimental box on the material cabin outer exposure device according to any one of claims 1 to 4, wherein a sliding groove is formed on the sliding plate, a sliding shaft is fixed on a vertical side wall of the box body, and the sliding shaft is arranged in the sliding groove in a penetrating manner and is connected with the sliding groove in a sliding manner.

8. The locking linkage mechanism of the experimental box on the material extravehicular exposure device according to any one of claims 1 to 4, wherein a second locking groove is formed on the box door corresponding to the first locking groove, and the lock seat is fixed on one side of an opening end of the second locking groove and encloses a space for the lock pin to move with a side wall of the second locking groove.

9. The locking linkage mechanism of the experimental box on the material extravehicular exposure device, according to any one of claims 1 to 4, wherein one side of the lock seat, which is far away from the box body, is a slope surface, and the upper part of the slope surface is inwards recessed to form an arc-shaped assembling opening; the lock pin is cylindrical, and when the sliding plate moves to the second position, the lock pin is in adaptive clamping connection with the arc-shaped assembling hole.

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