CN107702903A - A kind of bending resistance expandable type testing platform system with aiding support - Google Patents
A kind of bending resistance expandable type testing platform system with aiding support Download PDFInfo
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- CN107702903A CN107702903A CN201710842706.6A CN201710842706A CN107702903A CN 107702903 A CN107702903 A CN 107702903A CN 201710842706 A CN201710842706 A CN 201710842706A CN 107702903 A CN107702903 A CN 107702903A
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- 238000005452 bending Methods 0.000 title claims abstract description 29
- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 3
- 239000012141 concentrate Substances 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 9
- 238000002474 experimental method Methods 0.000 description 6
- 239000003351 stiffener Substances 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001612 separation test Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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Abstract
The invention provides a kind of bending resistance expandable type testing platform system with aiding support, including platform base, heighten load frame, cage type main bulkhead, lateral bearing column, loading beam, hydraulic jack, screw rod, load track, ground hard point and track bolt；The present invention makes full use of load track and the bearing capacity of ground hard point, it is used as aiding support by designing cage type main bulkhead and increasing lateral bearing column, by platform base, the main platform bearer ability that load frame is formed is heightened to be extended, root bending moment load is decomposed using the end face and side of cage type main bulkhead and passes to aiding support and main platform, load is passed into load track and ground hard point simultaneously, ground hard point of the laboratory usually for concentrated loading load is set to be also subjected to test load, under the conditions of the capital construction of the fixed bearing part such as load track and ground hard point is not changed, the bending resistance of test platform is set to be significantly improved.
Description
Technical field
The present invention relates to test piece intensity experimental technique field, in particular it relates to which a kind of bending resistance with aiding support can
Extended pattern testing platform system.
Background technology
Large-scale carrier rocket Booster separation experiment typically uses vertical mode, need to erect rocket core level and be fixed on examination
Test on platform, and boost motor is bundled in core level and carries out separation examination.When a fully loaded boost motor is bundled in upright state
Core level on when, test platform will bear very big root bending moment, and the quantity and bearing capacity of the load track of laboratory are
Limited, i.e., the connection hard point with platform base is limited, causes load track can not bear so big load.Together
When, huge bending load proposes higher requirement to platform base with the interface bearing capacity for heightening load frame, causes
As universal fixture platform base and heighten load frame and can not reuse.Due to the fixed bearing member such as load track and platform
Pedestal, heighten the universal fixtures such as load frame and can not meet test requirements document, it is necessary to reconstruct fixed bearing member and newly throw universal fixture, this
Design efforts would and capital construction reconstruction difficulty are not only increased, also results in the profligacy of frock.
The content of the invention
For in the prior art the defects of, the invention provides it is a kind of with aiding support bending resistance expandable type experiment
Plateform system.
The present invention realizes especially by following technical scheme：
A kind of bending resistance expandable type testing platform system with aiding support, including platform base, heighten load frame,
Cage type main bulkhead, lateral bearing column, loading beam, hydraulic jack, screw rod, load track, ground hard point, track bolt, institute
Platform base is stated, load frame is heightened, forms main platform by bolts assemblies after cage type main bulkhead is sequentially overlapped, it is described laterally to hold
Power post, loading beam, hydraulic jack, screw rod assembly aiding support：The lateral bearing column is in the cage type main bulkhead
Lateral location superposition is assembled, and the installation site and height of the lateral bearing column are determined with the position of the cage type load frame, institute
The facade for stating lateral bearing column is bonded with the side mounting surface of the cage type main bulkhead, and is spirally connected by bolt；The loading beam
It is arranged on by bolt on the lateral bearing column, the hydraulic jack is screwed onto on the hard point of ground, the hydraulic jack
Load passes to the lateral bearing column by the screw rod and the loading beam,
Preferably, the lateral bearing column links into an integrated entity with the cage type main bulkhead, will the laterally bearing column with
The bottom surface of the platform base connects into bigger fitting plane, add with the connection area on ground and with the load track
Tie point, improve structure root bending resistance.
Preferably, the upper surface of the platform base is evenly equipped with some radial T-slots, activity in each T-slot
It is provided with and tommyhead bolt is housed, tommyhead bolt can moves along T-slot, the connection circle of different-diameter be formed, suitable for different-diameter
Load frame connects, and the lower surface of the platform base is provided with a flange for being more than platform base periphery, and track bolt passes through flange
On hole be connected with load track, by the circumferentially spacing fixation of the platform base.
Preferably, the size heightened load frame and be designed as some different heights, the installation for being conveniently adjusted testpieces are high
Degree, structure type is cage type or cylindrical shape, and circumferentially distributed connection is equipped with the upper surface for heightening load frame, lower surface
Hole, for being connected with the tommyhead bolt of the platform base.
Preferably, the cage type main bulkhead is the cage structure being welded into by end frame, depression bar and reinforcer, holds cutting for frame
Face is U-shaped structure, is formed by top panel, lower panel and plate-side plate welding, and depression bar is bonded welding with side plate, and through after lower panel with
Plate weld above, the section of depression bar and quantity can select according to bearing capacity, and reinforcer welds with depression bar, to strengthen load frame
Lateral rigidity, holding on the upper and lower end face in frame upper surface circumferentially distributed has some connecting holes, the connecting hole of upper surface and experiment
The Interface Matching connection of part, the connecting hole of lower surface are connected with heightening load frame upper surface Interface Matching, the cage type primary load bearing
Some reinforcers are welded with the heel post of frame one, a number of stiffener plate forms side connection plane along column is axial arranged,
Stiffener plate quantity can be selected according to bearing capacity, and the side gussets of cage type main bulkhead are screwed onto in side connection plane,
As the switching tooling being connected with side bearing column, wide, equidistant connecting hole is distributed with side gussets.
Preferably, the lateral bearing column is assembled, tiltedly as auxiliary primary structure member by oblique column and flanged pin base
Hole on the underrun track bolt and flange of column is connected with load track, is distributed with the facade of oblique column double etc.
Wide, equidistant connecting hole, the connecting hole assembly connection for the side gussets with cage type main bulkhead.
Preferably, connecting hole is provided with the listrium line of symmetry of the loading beam, for the through hole with the lateral bearing column
Connection, the both ends of the loading beam are designed with force-bearing hole, are connected by screw rod, nut and hydraulic jack；The hydraulic jack is made
For hydraulic actuating mechanism, it is connected by screw rod, nut with the force-bearing hole at the loading beam both ends, by applying axle compressive load by institute
Lateral bearing column is stated to compress with ground；The screw rod is as force transmission element, for hydraulic jack to be connected with loading beam, by hydraulic oil
Cylinder load transmission is to loading beam.
Preferably, the load track is set as the fixation bearing part in laboratory by certain spacing and load ability
Meter, is T section, for connecting track bolt；The ground hard point concentrates hard point as test load, has sufficiently large
Bearing capacity, be designed with connection screw thread hole thereon, for connect the hydraulic pressure such as hydraulic jack perform equipment.
Preferably, the track bolt is T-shaped structure, matched with the T section of the load track as fastener,
Connection for the platform base and the load track.
Compared with prior art, the present invention has following beneficial effect：
(1) load track and the bearing capacity of ground hard point are made full use of, the loading of slow test concentrated force will be used for and used
Ground hard point as platform base root bending resistance stress point, in the case where not changing capital construction, improve test platform
Bending bearing capacity；
(2) main bulkhead is designed, bending load is passed into main platform and aiding support, reduces whole test platform system
The design difficulty of system, the utilization rate of frock is improved, reduce the input cost of frock.
Brief description of the drawings
The detailed description made by reading with reference to the following drawings to non-limiting example, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is the overall structure diagram of the embodiment of the present invention.
Fig. 2 is the structural representation of a specific embodiment of the invention.
Fig. 3 is the platform base schematic diagram in the embodiment of the present invention.
Fig. 4 is to heighten load frame schematic diagram in the embodiment of the present invention.
Fig. 5 is the cage type main bulkhead schematic diagram in the embodiment of the present invention.
Fig. 6 is the lateral bearing column schematic diagram in the embodiment of the present invention.
Fig. 7 is the loading beam schematic diagram in the embodiment of the present invention.
Fig. 8 is the hydraulic jack schematic diagram in the embodiment of the present invention.
Fig. 9 is the screw rod schematic diagram in the embodiment of the present invention.
Figure 10 is the track bolt schematic diagram in the embodiment of the present invention.
In figure：1 is platform base；2 be to heighten load frame；3 be cage type main bulkhead；4 be testpieces；5 be lateral load
Post；6 be loading beam；7 be hydraulic jack；8 be screw rod；9 be load track；10 be ground hard point；11 be track bolt.
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.In the description of the invention, it is to be understood that term " on ", " under ", "front", "rear", "left", "right",
The orientation or position relationship of the instruction such as " vertical ", " level ", " top ", " bottom ", " interior ", " outer " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
As shown in Fig. 1-Figure 10, the embodiments of the invention provide a kind of bending resistance expandable type experiment with aiding support
Plateform system, including platform base 1, heighten load frame 2, cage type main bulkhead 3, lateral bearing column 5, loading beam 6, hydraulic jack
7th, screw rod 8, load track 9, ground hard point 10, track bolt 11, the platform base, load frame, cage type primary load bearing are heightened
Frame by bolts assemblies forms main platform after being sequentially overlapped, lateral bearing column, loading beam, hydraulic jack, the screw rod assembling group
Into aiding support：The lateral bearing column is superimposed assembling, the lateral bearing column in the lateral location of the cage type main bulkhead
Installation site and height determine that the facade of the lateral bearing column is held with the cage type master with the position of the cage type load frame
The side mounting surface fitting of power frame, and be spirally connected by bolt；The loading beam is arranged on the lateral bearing column by bolt, institute
State hydraulic jack to be screwed onto on the hard point of ground, the load of the hydraulic jack is passed to by the screw rod and the loading beam
The lateral bearing column, the lateral bearing column link into an integrated entity with the cage type main bulkhead, will the laterally bearing column with
The bottom surface of the platform base connects into bigger fitting plane, add with the connection area on ground and with the load track
Tie point, improve structure root bending resistance.The upper surface of the platform base is evenly equipped with some radial T-slots,
Being movably installed with each T-slot can move equipped with tommyhead bolt, tommyhead bolt along T-slot, form the connection circle of different-diameter,
Being connected suitable for the load frame of different-diameter, the lower surface of the platform base is provided with a flange for being more than platform base periphery,
Track bolt is connected by the hole on flange with load track, by the circumferentially spacing fixation of the platform base.It is described to heighten load
Frame is designed as the size of some different heights, is conveniently adjusted the setting height(from bottom) of testpieces, and structure type is cage type or cylindrical shape, institute
State the upper surface for heightening load frame, be equipped with circumferentially distributed connecting hole on lower surface, for the T-shaped spiral shell with the platform base
Tether and connect.The cage type main bulkhead 3 is the cage structure being welded into by end frame 31, depression bar 32 and reinforcer 33, end frame 31
Section is U-shaped structure, is formed by top panel, lower panel and plate-side plate welding, and depression bar is bonded welding with side plate, and through after lower panel
With plate weld above, the section of depression bar and quantity can select according to bearing capacity, and reinforcer welds with depression bar, to strengthen load
The lateral rigidity of frame, holding on the upper and lower end face in frame upper surface circumferentially distributed has some connecting holes, the connecting hole of upper surface and examination
The Interface Matching connection of part is tested, the connecting hole of lower surface is connected with heightening load frame upper surface Interface Matching, and the cage type master holds
Some reinforcers are welded with the heel post 33 of power frame one, using stiffener plate, a number of stiffener plate is along column axial direction cloth
Put to form side connection plane, stiffener plate quantity can select according to bearing capacity, the spiral shell of side gussets 34 of cage type main bulkhead
Be connected on the side connection plane on, as the switching tooling being connected with side bearing column, be distributed with side gussets it is wide, etc. between
Away from connecting hole.The lateral bearing column is assembled as primary structure member is aided in by oblique column and flanged pin base, oblique column
Underrun track bolt and flange on hole be connected with load track, be distributed with the facade of oblique column it is double it is wide,
Equidistant connecting hole, the connecting hole assembly connection for the side gussets with cage type main bulkhead.The edge of the loading beam
Connecting hole is provided with plate line of symmetry, for being connected with the through hole of the lateral bearing column, the both ends of the loading beam, which are designed with, holds
Power hole, connected by screw rod, nut and hydraulic jack；The hydraulic jack as hydraulic actuating mechanism, by screw rod, nut with
The force-bearing hole connection at the loading beam both ends, the lateral bearing column is compressed with ground by applying axle compressive load；The spiral shell
Bar is as force transmission element, for hydraulic jack to be connected with loading beam, by hydraulic jack load transmission to loading beam.
The load track is designed by certain spacing and load ability as the fixation bearing part in laboratory, is T
Tee section, for connecting track bolt；The ground hard point concentrates hard point as test load, has sufficiently large carrying
Ability, connection screw thread hole is designed with thereon, equipment is performed for connecting the hydraulic pressure such as hydraulic jack.The track bolt is as fastening
Part, it is T-shaped structure, is matched with the T section of the load track, for the platform base and the company of the load track
Connect.The hydraulic jack specification, the loading beam and screw rod bearing capacity can determine according to test requirements document, can meet difference
The requirement of carrying condition；The upper and lower end face of the cage type main bulkhead connects as primary load bearing joint face, side as auxiliary load
Face, the cage type main bulkhead should meet experiment bending resistance requirement, and each joint face need to meet bearing requirements.
This specific implementation is completed to assemble by following steps：
First, by platform base 1, heighten load frame 2 and cage type main bulkhead 3 assembles and forms main platform；Under platform base 1
Track bolt 11 is penetrated in hole on end boss, is connected with load track 9, spacing is fixed on the ground platform base 1 is circumferential；
The uniform radial T-slot of the upper surface of platform base 1, each radial T-slot is built with T shape bolts, with heightening load frame
The circumferentially distributed connecting hole connection in 2 lower surfaces；Heighten load frame 2 and examination is butted into by the connecting hole of upper surface, lower surface two-by-two
Test the setting height(from bottom) of needs；The upper surface of cage type main bulkhead 3 is spirally connected with the end face of testpieces 4 by circumferential through-hole, and lower surface is with adjusting
The upper surface of high load frame 2 is spirally connected by circumferential through-hole；Then, by lateral bearing column, loading beam, hydraulic jack, the screw rod
Assembling forms aiding support；Using lateral bearing column 5 as supplementary support member, installed in the side of main platform；Lateral bearing column 5
Penetrate track bolt 11 in hole in lower end flange to be connected with load track 9, by the facade connecting hole and cage type of lateral bearing column 5
The connecting hole assembly connection of the side gussets of main bulkhead 3；By the listrium connecting hole of loading beam 6 and the lateral upper end of bearing column 5
The through hole assembly connection in face；Connecting screw 8 and nut in the force-bearing hole at the both ends of loading beam 6；By hydraulic jack 7 and ground hard point
10 are spirally connected, and the upper end of hydraulic jack 7 is connected with screw rod 8 by pin, and operation hydraulic jack applies thrust to aiding support.
This specific implementation makes full use of load track and the bearing capacity of ground hard point, and the plateform system of design includes master
Platform and aiding support, the bending load that main platform is born is shared by increasing aiding support, makes the bending resistance of plateform system
Bearing capacity is further lifted, and the test capability scope of plateform system is further widened, in Large Launch Vehicle boost motor
It is widely applied in separation test.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (9)
1. a kind of bending resistance expandable type testing platform system with aiding support, it is characterised in that including platform base, adjust
High load frame, cage type main bulkhead, lateral bearing column, loading beam, hydraulic jack, screw rod, load track, ground hard point,
Rail bolt, the platform base, heighten load frame, form main platform by bolts assemblies after cage type main bulkhead is sequentially overlapped,
The lateral bearing column, loading beam, hydraulic jack, screw rod assembly aiding support：The lateral bearing column is in the cage type
The lateral location superposition assembling of main bulkhead, the installation site and height of the lateral bearing column are with the position of the cage type load frame
Determination is put, the facade of the lateral bearing column is bonded with the side mounting surface of the cage type main bulkhead, and is spirally connected by bolt；Institute
State loading beam to be arranged on the lateral bearing column by bolt, the hydraulic jack is screwed onto on the hard point of ground, the liquid
The load of compressing cylinder passes to the lateral bearing column by the screw rod and the loading beam.
2. a kind of bending resistance expandable type testing platform system with aiding support as claimed in claim 1, its feature exist
In the lateral bearing column links into an integrated entity with the cage type main bulkhead, by the lateral bearing column and the platform base
Bottom surface connect into bigger fitting plane, add the tie point with the connection area on ground and with the load track, carry
High structure root bending resistance.
3. a kind of bending resistance expandable type testing platform system with aiding support as claimed in claim 1, its feature exist
In the upper surface of the platform base is evenly equipped with some radial T-slots, is movably installed with equipped with T-shaped in each T-slot
Bolt, tommyhead bolt can move along T-slot, form the connection circle of different-diameter, connected suitable for the load frame of different-diameter, institute
The lower surface for stating platform base is provided with a flange for being more than platform base periphery, and track bolt is by the hole on flange and load
Rail connects, by the circumferentially spacing fixation of the platform base.
4. a kind of bending resistance expandable type testing platform system with aiding support as claimed in claim 1, its feature exist
In, the size heightened load frame and be designed as some different heights, the setting height(from bottom) of testpieces is conveniently adjusted, structure type is
Cage type or cylindrical shape, be equipped with circumferentially distributed connecting hole on the upper surface for heightening load frame, lower surface, for it is described
The tommyhead bolt connection of platform base.
5. a kind of bending resistance expandable type testing platform system with aiding support as claimed in claim 1, its feature exist
In, the cage type main bulkhead is the cage structure being welded into by end frame, depression bar and reinforcer, and the section for holding frame is U-shaped structure,
Formed by top panel, lower panel and plate-side plate welding, depression bar is bonded welding with side plate, and through after lower panel with plate weld above,
Reinforcer welds with depression bar, circumferentially distributed on the upper and lower end face in frame upper surface of end to have some connecting holes, the connecting hole of upper surface
It is connected with the Interface Matching of testpieces, the connecting hole of lower surface is connected with heightening load frame upper surface Interface Matching, the cage type
Some reinforcers are welded with the heel post of main bulkhead one, a number of reinforcer is flat along the axial arranged formation side connection of column
Face, the side gussets of cage type main bulkhead are screwed onto in side connection plane, as the switching work being connected with side bearing column
Fill, wide, equidistant connecting hole is distributed with side gussets.
6. a kind of bending resistance expandable type testing platform system with aiding support as claimed in claim 1, its feature exist
In the lateral bearing column is assembled, the bottom surface of oblique column leads to as auxiliary primary structure member by oblique column and flanged pin base
The hole crossed on track bolt and flange is connected with load track, is distributed with the facade of oblique column double wide, equidistant
Connecting hole, the connecting hole assembly connection for the side gussets with cage type main bulkhead.
7. a kind of bending resistance expandable type testing platform system with aiding support as claimed in claim 1, its feature exist
In, connecting hole is provided with the listrium line of symmetry of the loading beam, for being connected with the through hole of the lateral bearing column, the loading
The both ends of beam are designed with force-bearing hole, are connected by screw rod, nut and hydraulic jack；The hydraulic jack performs machine as hydraulic pressure
Structure, it is connected by screw rod, nut with the force-bearing hole at the loading beam both ends, by applying axle compressive load by the lateral bearing column
Compressed with ground；The screw rod, for hydraulic jack to be connected with loading beam, hydraulic jack load transmission is given as force transmission element
Loading beam.
8. a kind of bending resistance expandable type testing platform system with aiding support as claimed in claim 1, its feature exist
In, the load track as the fixation bearing part in laboratory, designed by certain spacing and load ability, be T section,
For connecting track bolt；The ground hard point concentrates hard point as test load, has sufficiently large bearing capacity, its
On be designed with connection screw thread hole, for connect the hydraulic pressure such as hydraulic jack perform equipment.
9. a kind of bending resistance expandable type testing platform system with aiding support as claimed in claim 1, its feature exist
In the track bolt is T-shaped structure, matched with the T section of the load track, for the platform as fastener
The connection of pedestal and the load track.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710842706.6A CN107702903B (en) | 2017-09-18 | 2017-09-18 | Bending resistance extensible type test platform system with auxiliary support |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710842706.6A CN107702903B (en) | 2017-09-18 | 2017-09-18 | Bending resistance extensible type test platform system with auxiliary support |
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| CN107702903B CN107702903B (en) | 2020-05-15 |
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| CN110987457A (en) * | 2019-11-23 | 2020-04-10 | 西安航天动力测控技术研究所 | A load-bearing frame and installation method for static test of solid rocket motor structure |
| CN114427963A (en) * | 2021-12-31 | 2022-05-03 | 北京空间机电研究所 | A high-size and large-load adjustable load-bearing platform and test method for static test |
| CN114739833A (en) * | 2022-03-31 | 2022-07-12 | 上海航天精密机械研究所 | Three-way adjustable test loading system |
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| CN107702903B (en) | 2020-05-15 |
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