CN109279052A - A kind of removable maintenance platform of on-line maintenance adjustment Space Experiments cabinet - Google Patents
A kind of removable maintenance platform of on-line maintenance adjustment Space Experiments cabinet Download PDFInfo
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- CN109279052A CN109279052A CN201810973925.2A CN201810973925A CN109279052A CN 109279052 A CN109279052 A CN 109279052A CN 201810973925 A CN201810973925 A CN 201810973925A CN 109279052 A CN109279052 A CN 109279052A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G4/00—Tools specially adapted for use in space
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Abstract
The present invention provides a kind of removable maintenance platforms of on-line maintenance adjustment Space Experiments cabinet, including platform substrate, the side of platform substrate is connected with push-and-pull fixed mechanism, for being connect when platform substrate is in unfolded state with the guide rail of Space Experiments cabinet side, when platform substrate is in folded state, it is placed in Space Experiments cabinet；Link mechanism, one end of link mechanism and the side of platform substrate connect, and the other end and push-and-pull fixed mechanism are hinged.Removable maintenance platform of the invention, is applied on Space Experiments cabinet, and when not in use, platform substrate is in folded state, is placed in Space Experiments cabinet, saves the space inside Space Experiments cabinet；When in use, platform substrate is in unfolded state, is connect by push-and-pull fixed mechanism with the guide rail of Space Experiments cabinet, and pass through the common support platform substrate of link mechanism, have support and bearing capacity, the realization and ergonomic that can satisfy the maintenance platform function of removable maintenance platform require.
Description
Technical field
The present invention relates to space station maintainable technology on-orbit technical fields, and in particular to a kind of on-line maintenance adjustment Space Experiments cabinet
Removable maintenance platform.
Background technique
The design of on-line maintenance adjustment operation cabinet is to divide into count general maintainable technology on-orbit adjustment operation system in experiment cabinet frame work
System meets the common requirement of space station the maintainable technology on-orbit adjustment operation and scientific experiment project collected instantly --- maintenance
Adjustment operation and diagnosis detection means, by the replaceable experimental considerations unit of external interface standard meet it is current and from now on one section when
Between (enter the orbit 10 years) individual needs of maintainable technology on-orbit adjustment operation and scientific experiment project, and replace and upgrade satisfaction not by in-orbit
Come the requirement being used for a long time.Since the space inside Space Experiments cabinet is limited, need by reasonably designing ability meet demand.
Removable maintenance platform has the function of the in-orbit dismounting of sustained load, is large scale during on-line maintenance adjustment operation cabinet is realized
Components dismount an important component of demand online.It is removable since space is limited in on-line maintenance adjustment operation cabinet cabinet
Dynamic maintenance platform need to meet occupies lesser space when not in use, when in use, can stablize the firm need for realizing various functions
It asks.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of on-line maintenance adjustment space reality
Test the removable maintenance platform of cabinet, at least one to solve the above technical problems.
To achieve the above object, technical solution proposed by the present invention is as follows: a kind of on-line maintenance adjustment Space Experiments cabinet
Removable maintenance platform, comprising:
Platform substrate, the side of the platform substrate are connected with push-and-pull fixed mechanism, for being in the platform substrate
It is connect when unfolded state with the guide rail of Space Experiments cabinet side, when the platform substrate is in folded state, is placed on institute
It states in Space Experiments cabinet；
Link mechanism, one end of the link mechanism and the platform substrate connect far from the side of the push-and-pull fixed mechanism
It connects, one end of the other end and the push-and-pull fixed mechanism is hinged, is used to support the platform substrate and is in unfolded state.
The beneficial effects of the present invention are: removable maintenance platform of the invention, is applied on Space Experiments cabinet, do not using
When, platform substrate is in folded state, is placed in Space Experiments cabinet, saves the space inside Space Experiments cabinet；It is using
When, platform substrate is in unfolded state, is connect by push-and-pull fixed mechanism with the guide rail of Space Experiments cabinet, and pass through link mechanism
Common support platform substrate, has support and bearing capacity, can satisfy can with the realization of the maintenance platform function of maintenance platform and
Ergonomic requires, moreover it is possible to the fixed requirement of object is met, have regulatory function.
Based on the above technical solution, technical solution further below can also be used.
Further, the push-and-pull fixed mechanism includes:
Supportive body, the upper end of the supportive body is rotated by the side of the first pretwist axle bed and the platform substrate to be connected
It connects, lower end and the link mechanism are rotatablely connected；
Push-rod assembly, described push-rod assembly one end are threadedly coupled with the push rod slot being provided on the supportive body side wall,
The other end is the top abutted with the guide rail interior；
One or more rod assemblies, described rod assembly one end are plugged in the supportive body, the other end for institute
State the T-type pull rod of guide rail clamping.
Beneficial effect using above-mentioned further scheme is: at work, the first pretwist axle bed provides pre- torsion for mechanism,
Rod assembly tenses in guide rail, and spacefarer tightens push-rod assembly by specific purpose tool, and push-rod assembly passes through flexible top
On the inside of the tight guide rail in the crown, stable push-pull configuration is formed, guarantees the demand of entire removable maintenance platform carrying >=200N, simultaneously
Meets the needs of on-line operation cabinet protrusion certain length is connected；When not working, push-and-pull fixed mechanism is accommodated in platform substrate
Side, be placed in Space Experiments cabinet.
Further, the rod assembly includes:
Pull rod sleeve, for the drag link sleeve wound packages assigned in the supportive body, pull rod sleeve upper end offers top
Guide groove；
Pull rod, the pull rod upper end are provided with guiding plush copper, for being clamped with the top guide groove, so that the pull rod group
Part is in contraction state, and the pull rod lower end is connected with the clamping disk for being clamped with the guide rail.
Further, the link mechanism includes bearing bar and guide rod, and described guide rod one end passes through connection shaft seat and institute
The lower end connection of supportive body is stated, the other end is threaded through in the bearing bar, and is slidably connected with the bearing bar, the load-bearing
Bar is rotatablely connected by the second pretwist axle bed and the platform substrate.
Further, the first pretwist axle bed and the second pretwist axle bed are the embedded pre-twisting mechanism of torsional spring.
Beneficial effect using above-mentioned further scheme is: due to the pre- torsion effect of the second pretwist axle bed, in conjunction with bearing bar
On the constraint of baffle that is fixedly connected, constrain in receiving state automatically；When removable maintenance platform is worked, spacefarer
Supportive body is held, overcomes the torsional spring resistance of the first pretwist axle bed to rotate, guide rod is stretched out from bearing bar, and drives bearing bar
It is rotated around the second pretwist axle bed, until supportive body and bearing bar are locked；Each axle bed is separately machined and is installed on platform
Substrate, had not only facilitated processing, but can the independent material high using intensity, save cost, the pre- twisting structure embedded using torsional spring can be with
So that link mechanism is had auto-folder function, to simplify the operation of spacefarer, saves the physical strength of spacefarer.
Further, the side of the platform substrate is provided with automatic locking mechanism, and the automatic locking mechanism includes:
Handle, the both ends of the handle pass through fixing seat and connect with the platform substrate；
Locking assembly, the locking assembly setting are connect in the fixing seat, and with one end of the handle
The side opposite with the handle is arranged in cover board, the cover board, and locking hole and trapezoidal is provided on the cover board
Slot pulls the handle, realizes the engaging of the locking assembly with locking hole or dovetail groove.
Further, the locking assembly includes the locking head and locking spring being arranged in the fixing seat, the locking
Head is connect with one end of the handle, and the upper end of the locking head offers downwards for groove, and lower end is for the convex of engaging
Portion out, one end of the locking spring are abutted with the bottom portion of groove, and the other end is abutted with the platform substrate.
Beneficial effect using above-mentioned further scheme is: when link mechanism needs to enter folded state, spacefarer is drawn
Dynamic handle, overcomes the coupling mechanism force of locking spring, link mechanism can return to folded state by pre- torsion；Simplify handle knot
Structure, entire blocking mechanism light-weight technologg, either become unfolded state from folded state still is become folding from unfolded state
State all only needs a movement can be realized, and simplifies operation, time saving and energy saving.
Further, the platform substrate includes first substrate and the second substrate；The first substrate and the second substrate
It is rotatably connected to the push-and-pull fixed mechanism and a link mechanism, the first substrate and the second substrate pass through
Boosting wedge shape centering body realizes unfolded state.
Further, the wedge-shaped centering body includes:
Centering body, the centering body include the sphenocephaly that first substrate side is arranged in, are arranged in second base
The wedge groove and block of plate side, the block is fixedly connected on the outside of the wedge groove, for the sphenocephaly that is fixed；
Locking mechanism, the locking mechanism include the strip groove for being provided with the first substrate side, are arranged described
Mass block and handle in the second substrate, pull the handle, and the plush copper of the mass block is plugged in the strip groove；
Boosting mechanism, the boosting mechanism include the pressure head that the first substrate side is arranged in, are provided with described second
The indent of substrate side surfaces and the compressed spring abutted with indent, the pressure head are pressed into the indent, and the pressure head is transported downwards
Dynamic, the centering body completes centering.
Beneficial effect using above-mentioned further scheme is: wedge-shaped centering body can realize that the height under big alignment error is right
The realization of middle precision；The scheme that wedge-shaped centering body and locking mechanism combine, space utilization rate is high, saves thickness space；It helps
Pushing mechanism can operate locking mechanism and separation platform substrate simultaneously in disassembly process to avoid spacefarer, make spacefarer's operation more
It is convenient.
Further, installation is there are two magnet base in the second substrate, and there are two limit absorption for installation on first plate
Block, the magnet base and the limit Attraction block correspond, and are in rugosity in the first substrate and the second substrate
When state, the magnet base is mutually adsorbed with the limit Attraction block.
Beneficial effect using above-mentioned further scheme is: two pairs of magnet bases and limit Attraction block are in diagonal stent
Formula constitutes absorption retaining mechanism, it is ensured that two workbenches are reliably fixed；Magnet base and limit Attraction block design, letter
Folk prescription is just.
Detailed description of the invention
Fig. 1 is the assembling schematic diagram of removable maintenance platform of the present invention；
Fig. 2 is the unfolded state schematic diagram of removable maintenance platform of the present invention；
Fig. 3 is the unfolded state schematic diagram of removable another angle of maintenance platform of the present invention；
Fig. 4 is the folded state schematic diagram of removable maintenance platform of the present invention；
Fig. 5 is the sectional view of push-and-pull fixed mechanism of the present invention；
Fig. 6 is the structural schematic diagram of rod assembly of the present invention；
Fig. 7 is the sectional view of rod assembly of the present invention；
Fig. 8 is the side view of link mechanism of the invention in a folded configuration；
Fig. 9 is the partial enlarged view of A in Fig. 8；
Figure 10 is the partial enlarged view of B in Fig. 8；
Figure 11 is the cross-sectional view of automatic locking mechanism of the present invention；
Figure 12 is the structural schematic diagram of first substrate of the present invention；
Figure 13 is the structural schematic diagram of the second substrate of the present invention；
Figure 14 is the structural schematic diagram of blocking mechanism of the present invention；
Figure 15 is the working state figure of absorption retaining mechanism of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows:
100, Space Experiments cabinet；110, guide rail；200, platform substrate；210, first substrate；211, sphenocephaly；212, strip
Groove；213, pressure head；214, spacing block set；215, Attraction block is limited；220, the second substrate；221, wedge groove；222, block；
223, mass block；2231, mass block plush copper；224, indent；2241, indent spring；225, magnet base；300, fixed machine is pushed and pulled
Structure；310, supportive body；311, the first pretwist axle bed；312, push/pull slot；320, push-rod assembly；321, it comes directly towards；322, push rod；
330, rod assembly；331, pull rod sleeve；3311, top guide groove；3312, the first slot position；3313, the second slot position；332, pull rod；
3321, it is clamped disk；3322, the first guiding plush copper；333, pull-rod spring；400, link mechanism；410, bearing bar；411, second
Pretwist axle bed；420, guide rod；430, connection shaft seat；440, torsional spring；500, automatic locking mechanism；510, handle；520, it locks
Component；521, locking head；5211, protrusion；5212, groove is locked；522, locking spring；523, rear cover is locked；530, cover board；
531, locking hole；532, dovetail groove；540, fixing seat.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
In conjunction with shown in attached drawing 1-15, it is flat that the present invention provides a kind of removable maintenances of on-line maintenance adjustment Space Experiments cabinet
Platform, including platform substrate 200, push-and-pull fixed mechanism 300, link mechanism 400 and automatic locking mechanism 500；Wherein, the platform
The side of substrate 200 be connected with push-and-pull fixed mechanism 300, for when the platform substrate 200 is in unfolded state with it is described
The guide rail 110 of 100 side of Space Experiments cabinet connects, and when the platform substrate 200 is in folded state, it is real to be placed on the space
It tests in cabinet 100；The side of one end of the link mechanism 400 and the platform substrate 200 far from the push-and-pull fixed mechanism 300
One end of connection, the other end and the push-and-pull fixed mechanism 300 is hinged.
As shown in Figs 1-4, removable maintenance platform of the invention, is applied on Space Experiments cabinet 100, when not in use,
Platform substrate 200 is in folded state, is placed in Space Experiments cabinet 100, saves the space inside Space Experiments cabinet 100；
When in use, platform substrate 200 is in unfolded state, by the guide rail 110 for pushing and pulling fixed mechanism 300 and Space Experiments cabinet 100
Connection, and by the common support platform substrate 200 of link mechanism 400, have support and bearing capacity, can satisfy can repair
The realization of the maintenance platform function of platform and ergonomic require, moreover it is possible to the fixed requirement of object is met, have regulatory function.
As shown in Figure 2-5, the push-and-pull fixed mechanism 300 of the invention includes supportive body 310,320 and of push-rod assembly
The upper end of at least one rod assembly 330, the supportive body 310 passes through the first pretwist axle bed 311 and the platform substrate 200
Side rotation connection, lower end and the link mechanism 400 are rotatablely connected；Described 320 one end of push-rod assembly and the support are led
The push rod slot 312 of body 310 is threadedly coupled, and the other end is and the top 321 that abuts inside the guide rail 110；The rod assembly
330 one end are plugged in the supportive body 310, and the other end is the T-type pull rod being clamped with the guide rail 110.At work,
One pretwist axle bed 311 provides pre- torsion for mechanism, and rod assembly 330 tenses in guide rail 110, and spacefarer passes through specific purpose tool pair
Push-rod assembly 320 is tightened, and push-rod assembly 320 holds out against 110 inside of guide rail by flexible top 321, forms stable push-and-pull
Structure, guarantees the demand of entire removable maintenance platform carrying >=200N, while meeting on-line operation cabinet protrusion certain length phase
The demand of connection；When not working, push-and-pull fixed mechanism 300 is accommodated in the side of platform substrate 200, is placed on Space Experiments cabinet
In 100.In some embodiments of the invention, the number of the rod assembly 330 is two, two rod assemblies
330 are arranged at the side of the push-rod assembly 320.Two rod assemblies 330 and a push-rod assembly 320 combine, can be with
Scientific experiment cupboards guide rails all at present are fixed, and meet the needs of carrying >=200N.
As illustrated in figs. 5-7, the rod assembly 330 includes pull rod sleeve 331 and pull rod 332, on the pull rod sleeve 331
End offers top guide groove 3311, and side offers horizontal the first slot position 3312 and the second vertical slot position along its circumferential direction
3313, and the first slot position 3312 is connected with the second slot position 3313；332 upper end of pull rod is provided with the first guiding plush copper
3322, for being clamped with the top guide groove 3311, so that rod assembly 330 is in contraction state；332 lower end one of pull rod
Body is connected with the clamping disk 3321 for being clamped with the guide rail 110.In operation, spacefarer only needs using rotating rod
332, the first guiding plush copper 3322 at 332 top of pull rod can be from becoming taking off with top guide groove 3311 with the clamping of top guide groove 3311
The free state opened, or become being clamped with top guide groove 3311 from free state.When being clamped with top guide groove 3311, pull rod
332 are contracted in pull rod sleeve 331, and in a free state, the lower end of pull rod 332 is stretched out.
As shown in Fig. 4,8, when push-and-pull fixed mechanism 300 is in folded state, after shrinking, the thickness of 30mm can be saved
Space is spent, overall thickness can be constrained within 70mm, thus reach when removable maintenance platform is in folded state, put
It sets in Space Experiments cabinet 100, the occupancy to space in 100 cabinet of experiment cabinet can be reduced.This telescopic type structure, is meeting
While 60mm protrusion is connected, thickness space is utmostly saved, and incorporated man-machine efficacy design element.Certainly, may be used
Mobile maintenance platform can make certain modification to size according to actual needs, and it is specific that saving space is not limited only to two above
Size.
As shown in Fig. 2-4,8-10, the link mechanism 400 includes bearing bar 410 and guide rod 420, the guide rod
420 one end are connect by connection shaft seat 430 with the lower end of the supportive body 310, and the other end is threaded through the bearing bar 410
It is interior, and be slidably connected with the bearing bar 410, the bearing bar 410 passes through the second pretwist axle bed 411 and the platform substrate
200 rotation connections.Preferably, the first pretwist axle bed 311 and the second pretwist axle bed 411 are that torsional spring 440 is embedded
Pre-twisting mechanism.
Due to the pre- torsion effect of the second pretwist axle bed 411, in conjunction with the constraint for the baffle being fixedly connected on bearing bar 410, certainly
Moving constraint is in receiving state；When removable maintenance platform is worked, spacefarer holds supportive body 310, overcomes first
The torsional spring resistance of pretwist axle bed 311 rotates, and guide rod 420 is stretched out from bearing bar 410, and drives bearing bar 410 pre- around second
It turns round axle bed 411 to rotate, until supportive body 310 and bearing bar 410 are locked；Each axle bed is independently of each operating platform, both side
Just the material processed, and individually intensity can be used high, saves cost, and the pre- twisting structure embedded using torsional spring 440 can make connecting rod
Mechanism 400 has auto-folder function, to simplify the operation of spacefarer, saves the physical strength of spacefarer.
As shown in Fig. 8,10-12, the side of the platform substrate 200 is provided with automatic locking mechanism 500, described to close automatically
Latch mechanism 500 includes handle 510, locking assembly 520 and cover board 530；The both ends of the handle 510 pass through fixing seat 540 with
The platform substrate 200 connects；The locking assembly 520 is arranged in the fixing seat 540, and one with the handle 510
End connection, the cover board 530 are arranged in the side opposite with the handle 510, are provided with locking hole 531 on the cover board 530
With dovetail groove 532, the handle 510 is pulled, realizes the engaging of the locking assembly 520 and locking hole 531 or dovetail groove 532.
As shown in figure 11, the locking assembly 520 includes the locking head 521 being arranged in the fixing seat 540, locking bullet
Spring 522 and locking rear cover, the locking head 521 are connect with one end of the handle 510, and the upper end of the locking head 521 is downward
The groove 5212 for accommodating locking spring 522 is offered, lower end is the protrusion 5211 for engaging, the locking spring
522 one end is abutted with 5212 bottom of groove, and the other end is abutted with the locking rear cover 523.
Locking head 521 is fixedly connected with one end of handle 510, when link mechanism 400 is in folded state, locking head
The protrusion 5211 of 521 lower ends is located in the dovetail groove 532, and compressed spring 522 is in free state at this time.When spacefarer turns
When dynamic supportive body 310, the protrusion 5211 of the contact of incline plane locking head 521 of dovetail groove 532, and locking head 521 is pushed to overcome
The thrust of compressed spring 522, moves inwardly；Spacefarer persistently rotates supportive body 310, and locking head 521 passes through dovetail groove 532
Afterwards, when spacefarer continues to rotate supportive body 310 to working condition, locking head 521 is plugged in the locking hole on supportive body 310
In 531, supportive body 310 is constrained, achievees the purpose that automatically lock supportive body 310.
Automatic locking mechanism 500 more than, when link mechanism 400 needs to enter folded state, spacefarer is pulled
Handle 510, overcomes the coupling mechanism force of locking spring 522, and link mechanism 400 can return to folded state by pre- torsion；It simplifies
Grip structure, entire blocking mechanism light-weight technologg, either becomes unfolded state from folded state and is still become by unfolded state
For folded state, a movement is all only needed to can be realized, simplifies operation, it is time saving and energy saving.Signified folded state of the invention becomes
It is that spacefarer holds supportive body 310 for unfolded state, overcomes the torsional spring resistance of the first pretwist axle bed 311 to rotate, locking head 521
By wedge structure, most bottom portion of groove is abutted finally；Unfolded state becomes folded state, it is only necessary to a simple pull handle
Movement can be realized.
As shown in Fig. 2-4,12-14, the platform substrate 200 includes first substrate 210 and the second substrate 220.Specifically,
The first substrate 210 and the second substrate 220 are rotatably connected to a push-and-pull fixed mechanism 300 and a connecting rod
Mechanism 400, the first substrate 210 and the second substrate 220 realize unfolded state by boosting wedge shape centering body.Right
When first substrate 210 and the second substrate 220 are installed, centering is needed to install.Removable maintenance platform of the invention further includes wedge
Shape centering body, the wedge shape centering body includes centering body, blocking mechanism and boosting mechanism；The centering body includes setting
Set 210 side of first substrate sphenocephaly 211, the wedge groove 221 and block 222 of 220 side of the second substrate are set,
The block 222 is fixedly connected on the outside of the wedge groove 221, for the sphenocephaly 211 that is fixed；The block of centering body
222 are connected by screw in 221 outside of wedge groove, and sphenocephaly 211 is entered in wedge groove 221 by 222 intermediate space of block, and
It is moved to 221 position of wedge groove, completes sphenocephaly 211 and the wedge-shaped centering of wedge groove 221 at this time simultaneously, block 222 constrains wedge
The vertical direction position of forming head 211.The blocking mechanism include the strip groove 212 for being provided with 210 side of first substrate,
Mass block 223 and mass block handle in the second substrate 220 are set, the mass block handle, the mass block are pulled
223 plush copper 2231 is plugged in the strip groove 212；Under the premise of to middle completion, mass block overcomes compressed spring
The plush copper 2231 of thrust, mass block 223 is inserted into strip slot 212, determines its state, and guarantee its connection reliability and can
Force-bearing property.The boosting mechanism includes the pressure head 213 that 210 side of first substrate is arranged in, is provided with the second substrate
The indent 224 of 220 sides and the compressed spring 2241 abutted with indent 224, the pressure head 213 are pressed into the indent 224,
The pressure head 213 moves downward, and the centering body locking is completed.When spacefarer needs to separate first substrate 210 and the second base
When plate 220, while opening blocking mechanism, due to the presence of the pre- thrust of boosting mechanism, make first substrate 210 and the second substrate
220 are more readily separated.
When becoming unfolded state from folded state, the centering for guaranteeing first substrate 210 and the second substrate 220 is first had to,
It is completed by centering body；Under the premise of in first substrate 210 and 220 pairs of the second substrate, its state is determined, and guarantee its company
The reliability that connects and can force-bearing property；Boosting mechanism gives one pre- thrust of spacefarer when dismantling entire mechanism, guarantees spacefarer more
Easily carry out the operation of entire mechanism.
Wedge-shaped centering body can realize the realization of the high accuracy of alignment under big alignment error；Wedge-shaped centering body and sealed
The scheme that mechanism combines, space utilization rate is high, saves thickness space；Boosting mechanism can be to avoid spacefarer in disassembly process
Locking mechanism and separation platform substrate 200 are operated simultaneously, keeps spacefarer's operation more convenient.
As shown in Fig. 3,12-15, magnet base 225 there are two installations in the second substrate 210 of the invention, described first
Installation is corresponded there are two Attraction block 215, the magnet base 225 is limited with the limit Attraction block 215 on substrate, the limit
It is provided with spacing block set 214 on the Attraction block 215 of position, is in folded state in the first substrate 210 and the second substrate 200
When, the magnet base 225 is adsorbed with 215 phase of Attraction block.Two pairs of magnet bases 225 and limit Attraction block 215 are consolidated in diagonal
Mould-fixed constitutes absorption retaining mechanism, it is ensured that two workbenches are reliably fixed；It is arranged on limit Attraction block 215
Spacing block set 214, it is ensured that constraint of two working faces in specified position；Magnet base 225 and limit Attraction block 215 design,
It is simple and convenient.
It should be noted that needing when being folded to first substrate 210 and the second substrate 220 to the first base
Plate 210 is overturn, corresponding between limit Attraction block 215 and magnet base 225 to meet in 180 ° of rotation after overturning, thus
Maintain stability of the folded removable maintenance platform in Space Experiments cabinet 100.
It should be noted that although the embodiments of the present invention has been shown and described above, it is to be understood that above-mentioned
Embodiment is exemplary, and is not considered as limiting the invention, and those skilled in the art are in the scope of the present invention
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (10)
1. a kind of removable maintenance platform of on-line maintenance adjustment Space Experiments cabinet characterized by comprising
Platform substrate, the side of the platform substrate are connected with push-and-pull fixed mechanism, for being in expansion in the platform substrate
It is connect when state with the guide rail of Space Experiments cabinet side, when the platform substrate is in folded state, is placed on the sky
Between in experiment cabinet；
Link mechanism, one end of the link mechanism are connect with the platform substrate far from the side of the push-and-pull fixed mechanism,
One end of the other end and the push-and-pull fixed mechanism is hinged, is used to support the platform substrate and is in unfolded state.
2. the removable maintenance platform of on-line maintenance adjustment Space Experiments cabinet according to claim 1, which is characterized in that described
Pushing and pulling fixed mechanism includes:
The upper end of supportive body, the supportive body is rotatablely connected by the side of the first pretwist axle bed and the platform substrate,
Lower end and the link mechanism are rotatablely connected；
Push-rod assembly, described push-rod assembly one end is threadedly coupled with the push rod slot being provided on the supportive body side wall, another
End is the top abutted with the guide rail interior；
At least one rod assembly, one end of the rod assembly are plugged in the supportive body, and the other end is to lead with described
The T-type pull rod that rail clip connects.
3. the removable maintenance platform of on-line maintenance adjustment Space Experiments cabinet according to claim 2, which is characterized in that described
Rod assembly includes:
Pull rod sleeve, for the drag link sleeve wound packages assigned in the supportive body, pull rod sleeve upper end offers top guide groove；
Pull rod, the pull rod upper end are provided with the first guiding plush copper, for being clamped with the top guide groove, so that the pull rod group
Part is in contraction state, and the pull rod lower end is connected with the clamping disk for being clamped with the guide rail.
4. the removable maintenance platform of on-line maintenance adjustment Space Experiments cabinet according to claim 2, which is characterized in that described
Link mechanism includes bearing bar and guide rod, and described guide rod one end is connected by the lower end of connection shaft seat and the supportive body
It connects, the other end is threaded through in the bearing bar, and is slidably connected with the bearing bar, and the bearing bar passes through the second pretwist axle bed
It is rotatablely connected with the platform substrate.
5. the removable maintenance platform of on-line maintenance adjustment Space Experiments cabinet according to claim 4, which is characterized in that described
First pretwist axle bed and the second pretwist axle bed are the embedded pre-twisting mechanism of torsional spring.
6. the removable maintenance platform of on-line maintenance adjustment Space Experiments cabinet according to claim 1, which is characterized in that described
The side of platform substrate is provided with automatic locking mechanism, and the automatic locking mechanism includes:
Handle, the both ends of the handle pass through fixing seat and connect with the platform substrate；
Locking assembly, the locking assembly setting are connect in the fixing seat, and with one end of the handle；
The side opposite with the handle is arranged in cover board, the cover board, and locking hole and dovetail groove are provided on the cover board, draws
The handle is moved, realizes the engaging of the locking assembly with locking hole or dovetail groove.
7. the removable maintenance platform of on-line maintenance adjustment Space Experiments cabinet according to claim 6, which is characterized in that described
Locking assembly includes the locking head and locking spring being arranged in the fixing seat, one end company of the locking head and the handle
It connects, the upper end of the locking head offers downwards the groove for locking, and lower end is the protrusion for engaging, the locking bullet
One end of spring is abutted with the bottom portion of groove, and the other end is abutted with the platform substrate.
8. the removable maintenance platform of on-line maintenance adjustment Space Experiments cabinet according to claim 1, which is characterized in that described
Platform substrate includes first substrate and the second substrate；The first substrate and the second substrate are rotatably connected to described in one
Fixed mechanism and a link mechanism, the first substrate and the second substrate is pushed and pulled to realize by boosting wedge shape centering body
Unfolded state.
9. the removable maintenance platform of on-line maintenance adjustment Space Experiments cabinet according to claim 8, which is characterized in that described
Wedge-shaped centering body includes:
Centering body, the centering body include the sphenocephaly that first substrate side is arranged in, are arranged in the second substrate side
The wedge groove and block in face, the block is fixedly connected on the outside of the wedge groove, for the sphenocephaly that is fixed；
Locking mechanism, the locking mechanism include being provided with the strip groove of the first substrate side and being arranged described second
Mass block in substrate, pulls the handle, and the plush copper of the mass block is separated with the strip groove；
Boosting mechanism, the boosting mechanism include the pressure head that the first substrate side is arranged in, are provided with the second substrate
The indent of side and the compressed spring abutted with indent, the pressure head are pressed into the indent, and the pressure head moves downward, institute
It states centering body and completes centering.
10. the removable maintenance platform of on-line maintenance adjustment Space Experiments cabinet according to claim 8, which is characterized in that institute
Installation is stated in the second substrate there are two magnet base, on the first substrate installation there are two limiting Attraction block, the magnet base with
The limit Attraction block corresponds, when the first substrate and the second substrate are in folded state, the magnet base
It is mutually adsorbed with the limit Attraction block.
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| CN201810973925.2A CN109279052B (en) | 2018-08-24 | 2018-08-24 | Movable maintenance platform for online maintenance, assembly and adjustment of space experiment cabinet |
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| CN113327474A (en) * | 2021-06-09 | 2021-08-31 | 中国科学院空间应用工程与技术中心 | Overturning positioning locking device, scientific experiment cabinet for space station and rapid overturning method |
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| CN115817865A (en) * | 2022-12-30 | 2023-03-21 | 中国科学院空间应用工程与技术中心 | Steel rope linkage hinge for online cabinet mobile maintenance platform and mobile maintenance platform |
| CN115848659A (en) * | 2022-12-30 | 2023-03-28 | 中国科学院空间应用工程与技术中心 | Online cabinet is with collapsible removal maintenance platform and online cabinet |
| CN116096023A (en) * | 2022-12-30 | 2023-05-09 | 中国科学院空间应用工程与技术中心 | On-line maintenance, adjustment and operation cabinet for space station |
| CN115817866B (en) * | 2022-12-30 | 2023-07-11 | 中国科学院空间应用工程与技术中心 | Rotary locker, support piece and maintenance platform for online cabinet mobile maintenance platform |
| CN116096023B (en) * | 2022-12-30 | 2023-08-18 | 中国科学院空间应用工程与技术中心 | On-line maintenance, adjustment and operation cabinet for space station |
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