CN107416234B - load butt joint locking and locking indication interface device for space - Google Patents
load butt joint locking and locking indication interface device for space Download PDFInfo
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- CN107416234B CN107416234B CN201710137601.0A CN201710137601A CN107416234B CN 107416234 B CN107416234 B CN 107416234B CN 201710137601 A CN201710137601 A CN 201710137601A CN 107416234 B CN107416234 B CN 107416234B
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- butt joint
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- 210000001503 joint Anatomy 0.000 title claims abstract description 34
- 238000010008 shearing Methods 0.000 claims abstract description 34
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims description 25
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 3
- 230000002265 prevention Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000003032 molecular docking Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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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
- B64G1/64—Systems for coupling or separating cosmonautic vehicles or parts thereof, e.g. docking arrangements
- B64G1/646—Docking or rendezvous systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
- H01R13/6271—Latching means integral with the housing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
- H01R13/6278—Snap or like fastening comprising a pin snapping into a recess
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
Abstract
the invention discloses a load butt joint locking and locking indication interface device for a space, which belongs to the technical field of space application equipment and comprises an active end and a passive end, wherein the active end and the passive end are respectively and fixedly connected with an exposed load and an exposed platform of a cabin body of a spacecraft; the main positioning pin, the ball head shearing pin and the auxiliary positioning pin on the driving end are matched with the main positioning hole, the shearing hole, the waist-shaped shearing hole and the auxiliary positioning hole on the driven end, so that the mechanical arm is guided to operate and expose the load to be butted to a position to be installed; the lead screw is driven by the motor reducer on the driving end, so that the frame A main body, the frame A split body, the frame B main body and the frame B split body are driven to move along the guide shaft, and tightening, plugging and pulling of an electric connector for exposed loads, rigid locking and reliable looseness prevention for the exposed loads are realized; the invention can assist the mechanical arm to realize the guiding, positioning, butt joint, passive capture, active tightening and rigid locking of the exposed load and the aircraft cabin.
Description
Technical Field
the invention belongs to the technical field of space application equipment, and particularly relates to a load butt joint locking and locking indication interface device for a space.
background
a large number of exposure load experiment platforms are arranged on the outer wall of a cabin body of a space vehicle such as a space station, a manned spacecraft and the like so as to expand the exposure experiment capability of the space vehicle. International space stations have now used various forms of load docking and locking interface devices to support exposure testing tasks.
However, for the extravehicular exposure load and the extravehicular exposure platform, the butt joint locking interface device in the prior art cannot automatically capture the extravehicular exposure load, has low automation degree, high requirement on the operation capability of astronauts or mechanical arms, complex mechanism, poor maintainability and low reliability.
disclosure of Invention
In view of the above, the present invention provides a load docking and locking indication interface device for space, which can realize guided positioning docking, passive capturing, active tightening and rigid locking of an exposed load and an exposed platform of a spacecraft cabin through the connection device, thereby providing technical support for mounting the exposed load at a set position outside the spacecraft cabin.
The invention is realized by the following technical scheme:
A load butt joint locking and locking indication interface device for a space comprises an active end and a passive end which are respectively and fixedly connected with an exposed load and an exposed platform of a cabin body of a spacecraft;
The active end includes: the device comprises a bottom plate, a guide shaft, a lead screw, a rack A main body, a rack A split body, a rack B main body, a rack B split body, a connecting rack A, a connecting rack B, a motor reducer, a main positioning pin, a ball head shearing pin, an auxiliary positioning pin, a rigid locking mechanism, a one-way capturing device, a shell and a position state indicating mechanism;
the screw rod and the two guide shafts are arranged on the bottom plate in parallel, and the screw rod is positioned between the two guide shafts; one end of the screw rod is provided with a tool interface for manual rotation, and the other end of the screw rod is coaxially fixed with a motor reducer; two sections of threads with opposite rotation directions are processed on the screw rod and form a screw rod nut pair with the threaded holes in the middle of the rack A main body and the rack B main body respectively; each guide shaft is respectively provided with a rack A split body and a rack B split body which can move along the axial direction of the guide shaft; the main body of the rack A is respectively connected with the two racks A in a split manner through a connecting frame A, and the main body of the rack B is respectively connected with the two racks B in a split manner through a connecting frame B;
Two main positioning pins, two ball head shearing pins and one auxiliary positioning pin are respectively fixed on the bottom plate; the four shells are respectively arranged on the two machine frame A split bodies and the two machine frame B split bodies; a rectangular guide hole is processed on the shell, and one side surface of the guide hole consists of an inclined plane part and a plane part; each rack A split body and each rack B split body are respectively provided with a one-way capture device and a rigid locking mechanism; the rigid locking mechanism is used for locking the connected active end and passive end;
The passive end includes: a frame and a multi-function pin;
The frame body is provided with two main positioning holes, a shearing hole, a waist-shaped shearing hole and an auxiliary positioning hole; when the driving end is in butt joint with the driven end, the main positioning hole is matched with the main positioning pin, the shearing hole and the waist-shaped shearing hole are respectively matched with the two ball head shearing pins, and the auxiliary positioning hole is matched with the auxiliary positioning pin;
four multi-functional round pins are installed respectively on the lateral wall at four angles of framework, and wherein, multi-functional round pin includes: the locking block is matched with the rigid locking mechanism to realize the locking of the active end and the passive end; the plane frame plate is a right-angle trapezoidal plate, the lower bottom edge of the right-angle trapezoidal plate is of a cylindrical pin-shaped structure, the cylindrical pin-shaped structure is a capturing part, and when the driving end is in butt joint with the driven end, the capturing part is firstly matched with the one-way capturing device to position the butt joint; the bevel edge of the right-angle trapezoidal plate is a tightening part and is used for being matched with the bevel part of the guide hole of the shell, and the upper bottom edge of the right-angle trapezoidal plate is a height limiting part and is used for being matched with the plane part of the guide hole of the shell;
Wherein the position status indicating mechanism comprises: a rotating wheel, a rotating wheel shaft and an identification belt; the identification belt is provided with an identification, namely a position line provided with an initial position, a locking position and an unlocking position; the two rotating wheels are arranged on the bottom plate through rotating wheel shafts, the identification belt is wound between the two rotating wheels and is fixedly connected with the rack A in a split manner; when the machine frame A is moved along the guide shaft, the identification belt is driven to rotate around the rotating wheel, and at the moment, the identification on the identification belt corresponds to the fixed mark on the bottom plate to indicate the position state of the machine frame A.
Further, the active end further comprises a microswitch, the microswitch is installed on the side face of the base plate, a triggering surface of the microswitch is flush with the upper surface of the active end and used for monitoring the contact state of the butt joint surfaces of the active end and the passive end, and when the butt joint surfaces of the active end and the passive end are in contact, the microswitch is triggered to display that the active end and the passive end are in butt joint.
Furthermore, the two main positioning pins and the two ball head shearing pins are symmetrically distributed on two sides of the screw rod respectively.
Further, the main positioning pin consists of a cylindrical section and a tip end;
the main positioning hole is composed of a conical hole and a cylindrical hole, wherein the conical hole is used for being matched with the tip end of the main positioning pin, and the cylindrical hole is used for being matched with the cylindrical section of the main positioning pin.
Furthermore, the driving end also comprises blind-mate connector plugs, and the two blind-mate connector plugs are fixed on the bottom plate and symmetrically distributed on two sides of the main body of the rack A; the passive end further comprises a blind-mate connector socket, the blind-mate connector socket is mounted on the frame body, and when the passive end is in butt joint with the active end, the blind-mate connector socket is used for being connected with a blind-mate connector plug.
Has the advantages that: (1) the invention can assist the mechanical arm to realize guiding, positioning, butt joint, passive capture, active tightening and rigid locking of the exposure load and the aircraft cabin body, thereby providing technical support for mounting the exposure load at a set position outside the aircraft cabin.
(2) according to the invention, the main positioning pin, the ball head shearing pin and the auxiliary positioning pin on the driving end are matched with the main positioning hole, the shearing hole, the waist-shaped shearing hole and the auxiliary positioning hole on the driven end, so that the mechanical arm is guided to operate and expose the load to be butted to a position to be installed.
(3) in the butt joint process, the exposed load is automatically captured by the one-way capturing device, so that the safety of the connection process is ensured.
(4) according to the invention, the lead screw is driven by the motor reducer, so that the tightening of the exposed load, the plugging and unplugging of the electric connector of the exposed load, the rigid locking of the exposed load and the reliable looseness prevention are realized in a mode that the rack A main body, the rack A split body, the rack B main body and the rack B split body are driven to move along the guide shaft.
(5) When the interface device cannot be automatically unlocked in a mode of driving the screw rod through the motor reducer, the operation of mechanically unlocking the driving end and the driven end and pulling out the electric connector can be manually finished by the astronaut when the astronaut goes out of the cabin through operating the tool interface at one end of the screw rod positioned at the driving end.
(6) the invention indicates the state of the locking mechanism through the position state indicating mechanism.
Drawings
FIG. 1 is a structural component diagram of the present invention.
fig. 2 is a structural composition diagram of the active end of the present invention.
Fig. 3 is a structural composition diagram of the position status indicating mechanism of the present invention.
Fig. 4 is a schematic structural diagram of the housing of the present invention.
fig. 5 is a structural composition diagram of the passive end of the present invention.
Fig. 6 is a schematic view of the multi-functional pin of the present invention.
Fig. 7 is a locking state diagram of the present invention.
Wherein, 1-a microswitch, 2-a bottom plate, 3-a main positioning pin, 4-a ball head shearing pin, 5-a guide shaft, 6-a rigid locking mechanism, 7-a one-way capture device, 8-a connecting frame B, 9-a frame B split, 10-a protective cover, 11-a frame A split, 12-a connecting frame A, 13-an electric control box, 14-a screw rod, 15-an auxiliary positioning pin, 17-a bearing seat, 18-a frame A main body, 19-a blind plug connector plug, 20-a frame B main body, 21-a motor reducer, 22-a multifunctional pin, 23-a main positioning hole, 24-a shearing hole, 25-a waist-shaped shearing hole, 26-a frame body, 27-a blind plug connector socket, 28-a socket bracket and 29-an electric connector bracket, 30-electrical connector, 31-auxiliary positioning hole, 32-shell, 33-rotating wheel, 34-identification belt, 35-rotating wheel shaft, 41-height limiting part, 42-tightening part, 43-capturing part, 45-locking block, 100-exposed load, 200-driving end and 300-driven end.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
The invention provides a load butt joint locking and locking indication interface device for a space, which is shown in figure 1 and comprises an active end 200 and a passive end 300, wherein the active end 200 and the passive end 300 are respectively and fixedly connected with an exposed load and an exposed platform of a space aircraft cabin body, and the butt joint locking of the exposed load and the exposed platform of the space aircraft cabin body is realized through the butt joint locking of the active end 200 and the passive end 300;
Referring to fig. 2, the active end 200 includes: the device comprises a microswitch 1, a bottom plate 2, a guide shaft 5, a screw rod 14, a rack A main body 18, a rack A split body 11, a rack B main body 20, a rack B split body 9, a connecting rack A12, a connecting rack B8, a motor reducer 21, a main positioning pin 3, a ball head shear pin 4, an auxiliary positioning pin 15, a blind plug connector plug 19, a rigid locking mechanism 6, a one-way capturing device 7, a protective cover 10, an electric control box 13, a bearing seat 17, a shell 32 and a position state indicating mechanism;
The screw 14 and the two guide shafts 5 are arranged on the bottom plate 2 in parallel, and the screw 14 is positioned between the two guide shafts 5; one end of the screw rod 14 protrudes out of the side surface of the bottom plate 2, a tool interface for manual rotation is processed on the end surface of the end, and a motor reducer 21 is coaxially fixed at the other end; two sections of threads with opposite rotating directions are processed on the screw 14 and form a screw nut pair with a threaded hole in the middle of the rack A main body 18 and the rack B main body 20 respectively; each guide shaft 5 is respectively provided with a rack A split body 11 and a rack B split body 9, and the rack A split body 11 and the rack B split body 9 can axially move along the guide shaft 5; the main body 18 of the rack A is respectively connected with the two split bodies 11 of the rack A through a connecting frame A12, and the main body 20 of the rack B is respectively connected with the two split bodies 9 of the rack B through a connecting frame B8;
the two main positioning pins 3, the two ball head shearing pins 4 and the auxiliary positioning pin 15 are respectively fixed at mounting interfaces arranged on the bottom plate 2, wherein the two main positioning pins 3 and the two ball head shearing pins 4 are respectively and symmetrically distributed on two sides of the screw rod 14; the main positioning pin 3 consists of a cylindrical section and a tip end;
two blind-mate connector plugs 19 are fixed on the bottom plate 2 and symmetrically distributed on two sides of the main body 18 of the rack A, and the protective cover 10 covers the outer parts of the blind-mate connector plugs 19; the electric control box 13 is fixed on the bottom plate 2, and the electric control box 13 is electrically connected with the motor reducer 21 and used for controlling the rotation of the motor reducer 21;
the four shells 32 are respectively arranged on the two machine frame A split bodies 11 and the two machine frame B split bodies 9; referring to fig. 4, a rectangular guide hole is formed in the housing 32, and one side surface of the guide hole is composed of a slant surface portion and a flat surface portion;
each rack A split body 11 and each rack B split body 9 are respectively provided with a one-way capture device 7 and a rigid locking mechanism 6; the rigid locking mechanism 6 is used for locking the active end 200 and the passive end 300 after butt joint; the position state indicating mechanism is arranged on the bottom plate 2 and used for indicating the position state of the split body 11 of the rack A;
the microswitch 1 is arranged on the side surface of the bottom plate 2, and the trigger surface of the microswitch 1 is flush with the upper surface of the active end; the micro switch 1 is used for monitoring the contact state of the butt joint surfaces of the active end 200 and the passive end 300, and when the butt joint surfaces of the active end 200 and the passive end 300 are in contact, the micro switch 1 is triggered to display that the active end and the passive end are in butt joint;
Referring to fig. 3, the position status indicating mechanism includes: a runner 33, a runner shaft 35 and a marking tape 34; the identification belt 34 is provided with an identification, namely a position line provided with an initial position, a locking position and an unlocking position; the two rotating wheels 33 are arranged on the bottom plate 2 through rotating wheel shafts 35, the identification belt 34 is wound between the two rotating wheels 33, and the identification belt 34 is fixedly connected with the machine frame A split body 11; when the rack a split body 11 moves along the guide shaft 5, the identification belt 34 is driven to rotate around the rotating wheel 33, and at the moment, the identification on the identification belt 34 corresponds to the fixed mark on the bottom plate 2 to indicate the position state of the rack a split body 11.
Referring to fig. 5, the passive end 300 includes: a frame 26, a multifunctional pin 22, a blind mate connector socket 27, a socket holder 28, an electrical connector 30, and an electrical connector holder 29;
two main positioning holes 23, a shearing hole 24, a waist-shaped shearing hole 25 and an auxiliary positioning hole 31 are formed in the frame body 26; the two main positioning holes 23 are composed of a conical hole and a cylindrical hole, wherein the conical hole is used for being matched with the tip end of the main positioning pin 3 of the driving end 200, the main positioning pin 3 is guided into the cylindrical hole in a larger range, and then the cylindrical section of the main positioning pin 3 of the driving end 200 is matched with the cylindrical hole of the main positioning hole 23 of the driven end 300 to correct the posture of the main positioning pin 3; the shearing hole 24 and the waist-shaped shearing hole 25 are used for being matched with the two ball head shearing pins 4, the auxiliary positioning hole 31 consists of a waist-shaped conical hole and a waist-shaped cylindrical hole, the waist-shaped conical hole is formed by connecting two conical holes with a set distance, and the waist-shaped cylindrical hole is formed by connecting two cylindrical holes with a set distance; the auxiliary positioning hole 31 is used for matching with the auxiliary positioning pin 15;
the blind-mate connector receptacle 27 is mounted on the frame 26 through the receptacle holder 28, and is used for connecting with the blind-mate connector plug 19 when the passive terminal 300 is butted with the active terminal 200; an electrical connector 30 is mounted on the side of the frame 26 through an electrical connector bracket 29, and the electrical connector 30 is electrically connected with the blind-mate connector receptacle 27 for supplying power to the blind-mate connector receptacle 27;
four multi-function pins 22 are respectively mounted on the side walls of the four corners of the frame 26, wherein, referring to fig. 6, the multi-function pins 22 include: the locking device comprises a planar frame plate and a locking block 45 fixed on the planar frame plate, wherein the locking block 45 is matched with a rigid locking mechanism 6 to realize the locking of an active end 200 and a passive end 300; the planar frame plate is a right-angle trapezoidal plate, the lower bottom edge of the right-angle trapezoidal plate is of a cylindrical pin-shaped structure, the cylindrical pin-shaped structure is a capturing part 43, and when the active end is in butt joint with the passive end, the capturing part 43 is firstly matched with the one-way capturing device 7 to position the butt joint; the hypotenuse of the trapezoidal plate is a tightening portion 42 for engaging with the slope portion of the guide hole of the housing 32, and the upper bottom edge of the trapezoidal plate is a height-restricting portion 41 for engaging with the flat portion of the guide hole of the housing 32.
the working principle is as follows: referring to fig. 7, when the exposure load 100 is fixed to the active end 200, the passive end 300 is fixed to the exposed platform of the spacecraft cabin; or when the exposed load 100 is fixed to the passive end 300, the active end 200 is fixed to the exposed platform of the spacecraft cabin;
The driving end 200 is electrified, the motor reducer 21 is controlled to work through the electric control box 13, the lead screw 14 is driven to rotate, and the rack A main body 18, the rack A split body 11, the rack B main body 20 and the rack B split body 9 are pushed to move to the initial positions through the lead screw nut pair; the "home position" on the identification band 34 now aligns with the marking of the base plate 2;
The exposed load 100 is operated by a mechanical arm to enable two main positioning pins 3 and one auxiliary positioning pin 15 on the driving end 200 to enter two main positioning holes 23 and one auxiliary positioning hole 31 on the driven end 300, in the entering process, the capturing parts 43 of four multifunctional pins 22 on the driven end 200 are matched with the one-way capturing devices 7 on the driving end 300, which are positioned on the machine frame B split body 9 and the machine frame A split body 11, and the exposed load 100 is captured;
the motor reducer 21 of the driving end 300 is controlled by the electronic control box 13 to drive the lead screw 14 to rotate, the rack A main body 18, the rack A split body 11, the rack B main body 20 and the rack B split body 9 are pushed by the lead screw nut pair to move towards the two ends of the guide shaft 5, the inclined parts of the guide holes of the four shells 32 on the rack B split body 9 and the rack A split body 11 are matched with the tightening parts 42 of the four multifunctional pins 22 on the passive end 200 at the moment, the driving end 300 and the passive end 200 are tightened and close to be attached, the two ball head shearing pins 4 of the driving end 300 respectively enter the shearing hole 24 and the waist-shaped shearing hole 25 of the passive end 200, and the relative positions of the driving end 300 and the passive end 200 are accurately corrected at the moment;
the electric control box 13 is used for controlling the motor reducer 21 in the driving end 300 to drive the lead screw 14 to rotate continuously, the lead screw nut pair is used for pushing the rack A main body 18, the rack A split body 11, the rack B main body 20 and the rack B split body 9 to move continuously to the two ends of the guide shaft 5, the guide hole plane parts of the four shells 32 on the rack B split body 9 and the rack A split body 11 are matched with the height limiting parts 41 of the four multifunctional pins 22 on the driven end 200, so that the relative positions of the driving end 300 and the driven end 200 are limited, and meanwhile, two blind plug connector plugs 19 enter two blind plug connector sockets 27 on the driven end 200;
The electric control box 13 is used for controlling the motor reducer 21 in the driving end 300 to drive the lead screw 14 to rotate continuously, the lead screw nut pair is used for pushing the rack A main body 18, the rack A split body 11, the rack B main body 20 and the rack B split body 9 to move continuously to the two ends of the guide shaft 5, and the rigid locking mechanisms 6 in the four shells 32 on the rack B split body 9 and the rack A split body 11 are matched and locked with the locking parts 45 of the four multifunctional pins 22 on the driven end 200;
at the moment, the rack A main body 18, the rack A split body 11, the rack B main body 20 and the rack B split body 9 move to the right position and stop; the "locking position" on the identification band 34 now aligns with the marking on the base plate 2; the active end 300 and the passive end 200 are in butt joint, locking and electric connector connection;
the unlocking process of the active terminal 300 and the passive terminal 200 is opposite to the locking process, and when the 'unlocking position' on the identification band 34 is aligned with the mark on the bottom plate 2, the unlocking is completed.
in summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A load butt joint locking and locking indication interface device for a space is characterized by comprising an active end and a passive end which are respectively and fixedly connected with an exposed load and an exposed platform of a cabin body of a spacecraft;
The active end includes: the device comprises a bottom plate (2), a guide shaft (5), a lead screw (14), a rack A main body (18), a rack A split body (11), a rack B main body (20), a rack B split body (9), a connecting frame A (12), a connecting frame B (8), a motor reducer (21), a main positioning pin (3), a ball head shearing pin (4), an auxiliary positioning pin (15), a rigid locking mechanism (6), a one-way capturing device (7), a shell (32) and a position state indicating mechanism;
the screw rod (14) and the two guide shafts (5) are arranged on the bottom plate (2) in parallel, and the screw rod (14) is positioned between the two guide shafts (5); one end of the screw rod (14) is provided with a tool interface for manual rotation, and the other end is coaxially fixed with a motor reducer (21); two sections of threads with opposite rotating directions are processed on the screw rod (14), and form a screw rod nut pair with the threaded holes in the middle of the rack A main body (18) and the rack B main body (20) respectively; each guide shaft (5) is respectively provided with a rack A split body (11) and a rack B split body (9) which can move along the axial direction of the guide shaft; the rack A main body (18) is respectively connected with the two rack A split bodies (11) through a connecting rack A (12), and the rack B main body (20) is respectively connected with the two rack B split bodies (9) through a connecting rack B (8);
Two main positioning pins (3), two ball head shearing pins (4) and an auxiliary positioning pin (15) are respectively fixed on the bottom plate (2); the four shells (32) are respectively arranged on the two machine frame A split bodies (11) and the two machine frame B split bodies (9); a rectangular guide hole is processed on the shell (32), and one side surface of the guide hole consists of an inclined surface part and a plane part; each rack A split body (11) and each rack B split body (9) are respectively provided with a one-way capture device (7) and a rigid locking mechanism (6); the rigid locking mechanism (6) is used for locking the connected active end and passive end;
The passive end includes: a frame (26) and a multi-function pin (22);
The frame body (26) is provided with two main positioning holes (23), a shearing hole (24), a waist-shaped shearing hole (25) and an auxiliary positioning hole (31); when the driving end is in butt joint with the driven end, the main positioning hole (23) is matched with the main positioning pin (3), the shearing hole (24) and the waist-shaped shearing hole (25) are respectively matched with the two ball head shearing pins (4), and the auxiliary positioning hole (31) is matched with the auxiliary positioning pin (15);
four multi-functional round pins (22) are installed respectively on the lateral wall at four angles of framework (26), and wherein, multi-functional round pin (22) includes: the locking device comprises a planar frame plate and a locking block (45) fixed on the planar frame plate, wherein the locking block (45) is matched with a rigid locking mechanism (6) to realize locking of an active end and a passive end; the plane frame plate is a right-angle trapezoidal plate, the lower bottom edge of the right-angle trapezoidal plate is of a cylindrical pin-shaped structure, the cylindrical pin-shaped structure is a capturing part (43), and when the driving end is in butt joint with the driven end, the capturing part (43) is firstly matched with the one-way capturing device (7) to position the butt joint; the hypotenuse of the right-angle trapezoidal plate is a tightening part (42) which is used for matching with the inclined surface part of the guide hole of the shell (32), and the upper bottom edge of the right-angle trapezoidal plate is a height limiting part (41) which is used for matching with the plane part of the guide hole of the shell (32);
Wherein the position status indicating mechanism comprises: a rotating wheel (33), a rotating wheel shaft (35) and an identification belt (34); the identification belt (34) is provided with an identification, namely a position line provided with an initial position, a locking position and an unlocking position; the two rotating wheels (33) are arranged on the bottom plate (2) through rotating wheel shafts (35), the identification belt (34) is wound between the two rotating wheels (33), and the identification belt (34) is fixedly connected with the machine frame A split body (11); when the machine frame A split body (11) moves along the guide shaft (5), the identification belt (34) is driven to rotate around the rotating wheel (33), and at the moment, the identification on the identification belt (34) corresponds to the fixed mark on the bottom plate (2) to indicate the position state of the machine frame A split body (11).
2. the load butt joint locking and locking indication interface device for the space as claimed in claim 1, wherein the active end further comprises a micro switch (1), the micro switch (1) is installed on a side surface of the bottom plate (2), and a trigger surface of the micro switch (1) is flush with an upper surface of the active end and is used for monitoring a butt joint surface contact state of the active end and the passive end, and when the butt joint surface of the active end and the passive end is contacted, the micro switch (1) is triggered to display that the active end and the passive end are butted.
3. A space load butt-locking and locking indicating interface device according to claim 1, wherein two main positioning pins (3) and two ball head shear pins (4) are symmetrically distributed on both sides of the screw (14).
4. A space load butt-locking and locking indication interface device according to claim 1, characterized in that said main positioning pin (3) is composed of a cylindrical section and a tip;
the main positioning hole (23) is composed of a conical hole and a cylindrical hole, wherein the conical hole is used for being matched with the tip end of the main positioning pin (3), and the cylindrical hole is used for being matched with the cylindrical section of the main positioning pin (3).
5. The interface device for load butt joint locking and locking indication for space use according to claim 1, wherein the active end further comprises a blind-mate connector plug (19), and two blind-mate connector plugs (19) are fixed on the bottom plate (2) and symmetrically distributed on two sides of the main body (18) of the rack A; the passive end further comprises a blind-mate connector socket (27), and the blind-mate connector socket (27) is mounted on the frame body (26) and is used for being connected with the blind-mate connector plug (19) when the passive end is butted with the active end.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710137601.0A CN107416234B (en) | 2017-03-09 | 2017-03-09 | load butt joint locking and locking indication interface device for space |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710137601.0A CN107416234B (en) | 2017-03-09 | 2017-03-09 | load butt joint locking and locking indication interface device for space |
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| CN107416234A CN107416234A (en) | 2017-12-01 |
| CN107416234B true CN107416234B (en) | 2019-12-13 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109353547B (en) * | 2018-09-27 | 2023-11-03 | 兰州中天汇科电子科技有限公司 | Steel belt driving butt joint locking device and method |
| CN109703790A (en) * | 2018-12-11 | 2019-05-03 | 兰州空间技术物理研究所 | A kind of four directions bevel-type butt-joint locking device |
| CN110416775B (en) * | 2019-06-03 | 2020-12-08 | 中国航天时代电子有限公司 | Electromechanical butt joint interface and on-orbit reconfigurable aircraft unit based on same |
| CN110216716B (en) * | 2019-07-25 | 2023-09-19 | 湖南宗福科技有限公司 | Butt joint test device for capturing locking mechanism |
| CN111102459B (en) * | 2019-12-31 | 2021-07-20 | 中国科学院空间应用工程与技术中心 | Material exposure test box locking and supporting mechanism and exposure device |
| 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 |
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| CN107416234A (en) | 2017-12-01 |
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