CN101858403A - Six-shaft vibration and shock isolation platform for moving carrier carrying equipment - Google Patents
Six-shaft vibration and shock isolation platform for moving carrier carrying equipment Download PDFInfo
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Abstract
The invention discloses a six-shaft vibration and shock isolation platform for moving carrier carrying equipment, and belongs to the field of multi-shaft vibration control techniques and devices. The platform comprises an upper platform (1), a lower platform (7), and a cross connection vibration isolation device system, wherein an instrument is arranged on the upper platform (1); the lower platform (7) is fixed on a moving carrier through a foundation bolt 8; and the cross connection vibration isolation device system comprises four pairs of cross connection vibration isolation devices (5) which are orthogonally and symmetrically arranged between the upper platform and the lower platform in a four-point supporting mode. The six-shaft vibration and shock isolation platform for the moving carrier carrying equipment has the advantages of safety, reliability, large carrying capacity, high stability, variable rigidity and damping, and capability of ensuring that six axial vibration parameters when the moving carrier carrying equipment runs are in a standard range.
Description
Technical field
The present invention relates to six axial buffer vibration damping equipments of moving carrier carrying equipment, belong to the research field of moving carrier vibration control technology and device.
Background technique
Moving carrier is the general designation of various types of vehicles, boats and ships, aircraft.In the moving carrier working procedure, because artificial various controlling is (as starting, stop, acceleration and deceleration, turn round, land, military shooting etc.), the various excitations of running environment are (as various types of vehicles orbit or road irregularity, boats and ships are subjected to wave, wind, aircraft is subjected to air-flow and aerodynamic effects etc.) etc. complicated excitation source produce a large amount of multidirectional exciting forces of space multiple spot, cause moving carrier and carrying equipment thereof in practical work process, bear a large amount of at random, the wideband section, space six axial vibrations and impact that multipotency distributes have a strong impact on working life of moving carrier, the usability of personnel's riding comfort and precision instrument and equipment.
For vibration and the impact-level that reduces moving carrier, improve the usability of working life, riding comfort and the precision instrument and equipment of moving carrier, moving carrier various buffer shock-absorbing measures have been taked, suspension vibration insulating system as various types of vehicles, the damping plate vibration damping of aircraft, dynamic absorber, the floating damping technology etc. that cuts down of boats and ships.The employing of above-mentioned technology has reduced the vibration and the impact-level of moving carrier to a certain extent, but they are primarily aimed at gravitational direction, considers seldom beyond the gravitational direction that the vibration on other direction isolates with impacting.Along with moving carrier carrying equipment (as seat, stretcher, satellite antenna, gyroscope, pointing instrumentation, optical device etc.) dynamic performance requires more and more higher, particularly six axial vibrations and the requirement of impact isolation characteristic, traditional moving carrier integrated buffer vibration insulating system can not meet the demands, need research moving carrier carrying equipment six axial vibrations and impact isolation platform system, with six axial vibrations and the requirement of impact isolation performance of satisfying moving carrier carrying equipment (as seat, stretcher, satellite antenna, gyroscope, pointing instrumentation, optical device etc.).
By retrieving domestic and international patent documentation, at present about the moving carrier carrying equipment multiaxis vibration with impact the technology and the defective thereof of isolating and mainly contain: 1) mechanical hierarchical control class:, adopt mechanical layering resilient suspension mode to realize Vertical direction, front and back substantially horizontal vibration damping and Vertical direction, front and back substantially horizontal, side direction while vibration damping simultaneously respectively to seat as Chinese utility model patent " a kind of two-way hanging vibration reduction seat (ZL85204298) " and " a kind of three-dimensional hanging vibration reduction seat (ZL88212647.4) ".Chinese invention patent " integrated shock absorbing vibrating isolation device for stellite (ZL200610010442.X) " and for example: adopt mechanical decomposition method to resolve into the vibration of carrier rocket perpendicular to the oscillating component in the Transverse plane of carrier rocket axis and be parallel to the extensional vibration component of carrier rocket axis, carry out vibration damping and vibration isolation respectively.Defective is that multi-layer structure, complex structure, surface friction drag are big, each layer kinematic pair is easily stuck under all kinds of moment loadings, the vibration damping and vibration isolation direction single fixing, do not have arbitrariness, angular vibrations and angle are impacted no effectiveness in vibration suppression; 2) elasticity is supported class: adopt in parallel support of a plurality of springs to realize six axial vibration dampings as Chinese utility model patent " stretcher of vibration damping and restraint (ZL200820020020.5) ", Chinese invention patent " integral vibration isolation platform of astrovehicle (ZL200610009888.0) " adopts Stewart structural type elastic damping element in parallel to realize six axial vibration dampings, " a kind of multidimensional vibration-isolating apparatus (200910024448.6) " adopt two Stewart structural types elastic damping element in parallel to realize six axial vibration dampings, and " the moving carrier platform is controlled the isolation mounting (ZL03267102.4) of used sensor " adopts six bonding vibroisolating materials of sensor to realize six vibration isolation.Vibration of defective lateral angle and angle shock stiffness are little, and lateral wobble is big, and stability, reliability and poor stability are easily toppled over; 3) mechanism and elastic damping element composite class: as Chinese utility model patent " medical ambulance stretcher vibration damping equipment (ZL99215780.3) " and U. S. Patent " Stretcher suspensionlinkages (US20030071472A1, US6729667B2) ", all be to adopt linkage and pneumatic spring realization stretcher Vertical direction, front and back substantially horizontal and front and back to face upward the direction vibration damping of bowing, defective is that structure takes up room greatly, and side direction, lift-over and driftage are not had vibration damping.And for example " multi-freedom parallel mechanisms combined elastic vibration clamper (ZL 02137948.3) ", " imitative rubber multi-freedom degree elastic damping vibration damping equipment (ZL02258129.4) ", " One kind of flexible multi-dimensional vibration reduction platform which based parallel-series kinematic pair parallel mechanism (ZL200410014088.9) ", " magneto-rheological semi-active multi-freedom parallel connection shock-absorbing device (ZL200810122615.6) ", all adopt the combination of paralleling mechanism and elastic damping element to realize the multiaxis vibration damping, though have certain vibration isolation and damping performance, but since selected lower-mobility paralleling mechanism to have bearing capacity little, constraint is many, kinematic pair is many, surface friction drag is big, the power transitivity is poor, poor stability, elastic element is defectives such as unidirectional linearity element, feasible load and the big vibration displacement of can not withstanding shocks, reliability and stability are poor, are difficult to be converted into practical application; 4) other: as U. S. Patent " Load vibration isolationapparatus (US005947240A) ", " Load isolator apparatus (US005918865A) ", " Heavy loadvibration isolation apparatus (US005803213A) ", all be to adopt 8 bar Stewart structural types elastic damping element in parallel to realize the six axial vibration isolation that the satellite and the rocket connect in the rocket launching process, in order to increase lateral wobble rigidity, the method that adopts non-bearing hydraulic damping cylinder interconnection and be connected in series accumulator realizes increasing lateral wobble rigidity.Defective owing to shared 1 accumulator of its cross-coupled 2 bar non-bearing hydraulic damping cylinders, the upper and lower two chamber liquid convections of same hydraulic damping cylinder can occur, so can accumulator work and rely on each valve of oil circuit fully, reliability, poor stability, inconvenience is regulated and used to system complex.In addition, carrying elastic element and interconnection hydraulic damping cylinder system are relatively independent, and physical dimension is big.In sum, present moving carrier carrying equipment multiaxis vibration and impact isolation platform can not effectively reduce the multiaxis vibration and the impact of moving carrier carrying equipment owing to himself various defective.
Summary of the invention
Purpose of the present invention:
Narrow limitation at existing moving carrier carrying equipment multiaxis vibration and impact isolation platform, with the multiaxis that can not effectively reduce moving carrier carrying equipment to space oscillations and impact, be difficult to guarantee operational shock parameter this problem in critical field of moving carrier carrying equipment, the invention provides that a kind of safe and reliable, bearing capacity is big, stability is high, rigidity and damping be variable, can guarantee moving carrier carrying equipment six-shaft vibration and the impact isolation platform of moving carrier carrying equipment operational shock parameter in critical field.
In order to realize the foregoing invention purpose, the technical solution used in the present invention is as follows:
Moving carrier carrying equipment six-shaft vibration and impact isolation platform, it comprises upper mounting plate, lower bolster, interconnection isolation mounting three parts composition.Instrument and equipment is placed on the upper mounting plate, and lower bolster is fixed on the moving carrier by foot screw, and the interconnection isolation mounting is symmetrically and orthogonally arranged in the middle of upper mounting plate and the lower bolster by 4 supporting way.Upper mounting plate and lower bolster by the support attachment screw be connected support and link to each other, connect support and be connected by the rod end ball joint bearing with the interconnection isolation mounting.In the working procedure, its motion output form is space three translations, three rotational motions, behind spatial excitation power that is subjected to causing and excitation force couple role owing to various factors, elastic element by the interconnection isolation mounting is realized buffering, vibration isolation, the frictional damping consumption systems vibrational energy of damping member and each kinematic pair, realize vibration damping, thereby reduce the space oscillations and the shock response of moving carrier carrying equipment effectively, reliably.
The invention has the beneficial effects as follows:
This moving carrier carrying equipment six-shaft vibration and impact isolation platform have solved the multiaxis vibration and impact isolating problem of its carrying equipment in the moving carrier working procedure, improved the residing dynamics environment of moving carrier carrying equipment, the operational shock parameter that guarantees the moving carrier carrying precision equipment is in critical field, guarantee the reliable and stable operation of moving carrier carrying precision equipment, prolong its working life, reduced and keeped in repair wood, reduced maintenance man's workload.In addition, this six-shaft vibration and impact isolation platform are reasonable in design, stability, reliability and safe, nothing is toppled over, bearing capacity is big, and is in light weight, volume is little and be easy to assembling and maintenance management, make and maintenance cost low.
Description of drawings
Description of drawings of the present invention is as follows:
Fig. 1 is six-shaft vibration and impact isolation platform structural representation plan view;
Fig. 2 is six-shaft vibration and impact isolation platform structural representation plan view;
Fig. 3 is a hydro-pneumatic spring interconnection isolation mounting structural representation;
Fig. 4 is a pneumatic spring interconnection isolation mounting structural representation plan view;
Fig. 5 be among Fig. 4 A to view;
Among the figure, 1, upper mounting plate, 2, the support attachment screw, 3, connect support, 4, the rod end ball joint bearing, 5, the interconnection isolation mounting, 6, bearing pin, 7, lower bolster, 8, foot screw, 9, piston rod, 10, Sealing, 11, linear bearing A, 12, the cover plate set screw, 13, cover plate, 14, cylinder body, 15, pipe joint, 16, accumulator, 17, electromagnetic proportional valve A, 18, high pressure hose, 19, ball valve A, 20, ball valve B, 21, upper junction plate, 22, nut, 23, strut, 24, middle connecting plate, 25, the linear bearing set screw, 26, linear bearing B, 27, auxilliary pneumatic spring, 28, connecting bolt, 29, pressing plate, 30, the primary air spring, 31, lower connecting plate, 32, adjust nut, 33, electromagnetic proportional valve B, 34, ball valve C, 35, ball valve D.
Embodiment
Below in conjunction with the drawings and the specific embodiments the present invention is described in further detail:
Embodiment one: as Fig. 1, Fig. 2, shown in Figure 3, moving carrier carrying equipment six-shaft vibration and impact isolation platform, it comprises upper mounting plate 1, lower bolster 7, interconnection isolation mounting 5 three parts composition.Instrument and equipment is placed on the upper mounting plate 1, and lower bolster 7 is fixed on the moving carrier by foot screw 8, and interconnection isolation mounting 5 is symmetrically and orthogonally arranged between upper mounting plate and the lower bolster by 4 supporting way.Upper mounting plate 1 and lower bolster 7 by support attachment screw 2 be connected support 3 and link to each other, connect support 3 and be connected by rod end ball joint bearing 4 with interconnection isolation mounting 5.Interconnection isolation mounting 5 comprises piston cylinder 14, pipe joint 15, accumulator 16, electromagnetic proportional valve A 17, high pressure hose 18, ball valve A 19 and ball valve B 20.Wherein piston cylinder 14 is made up of piston rod 9, Sealing 10, linear bearing A 11, cover plate set screw 12, cover plate 13, cylinder body 14.2 described high pressure hoses 18 connect two interconnection isolation mountings 5 of adjacent symmetric position, the epicoele of one end interconnection isolation mounting, 5 piston cylinders of high pressure hose 18, the other end of high pressure hose 18 connects the cavity of resorption of adjacent symmetric position interconnection isolation mounting 5 piston cylinders, constitute the interconnection isolation mounting system of two interconnection isolation mountings 5 of 4 groups every pipeline interconnection, the joint connects with pipe joint 15.Ball valve A 19 is placed in joint between two high pressure flexible pipes, 18 loops, and ball valve B 20 is installed in the initial oil pipeline, and ball valve A 19 and ball valve B 20 are used for initial oil pressure and piston rod 9 highly is provided with.Pipeline between accumulator 16 and the high pressure hose 18 is provided with electromagnetic proportional valve A 17, and electromagnetic proportional valve A 17 is used to regulate the damping size.
During normal the use, ball valve A 19, ball valve B 20 close; Install when regulating, ball valve A 19, ball valve B 20 open, and are connected with outside fluid pressurized equipment, realize the height of cylinder body 14 topping ups and piston rod 9 in the interconnection isolation mounting 5 is regulated.When upper mounting plate 1 translational motion, left and right two-piston bar 9 is motion in the same way among Fig. 3, and the fluid that enters accumulator 16 is less, rigidity is little; When upper mounting plate 1 non-translational motion, left and right two-piston bar 9 is reversing motion among Fig. 3, the fluid that enters accumulator 16 is many, rigidity is big, satisfied the vibration of moving carrier carrying equipment six-shaft vibration and impact isolation platform line and little, angular vibrations of shock stiffness and the big requirement of shock stiffness, and stability requirement.In addition, because there is motive sealing in piston rod 9, surface friction drag is big, occasion such as be applicable to that carrying is big, vibration and impact energy are big.
Embodiment two: as Fig. 1, Fig. 2, Fig. 4 and shown in Figure 5, moving carrier carrying equipment six-shaft vibration and impact isolation platform, it comprises upper mounting plate 1, lower bolster 7, interconnection isolation mounting 5 three parts composition.Instrument and equipment is placed on the upper mounting plate 1, and lower bolster 7 is fixed on the moving carrier by foot screw 8, and interconnection isolation mounting 5 is symmetrically and orthogonally arranged in the middle of upper mounting plate and the lower bolster by 4 supporting way.Upper mounting plate 1 and lower bolster 7 by support attachment screw 2 be connected support 3 and link to each other, connect support 3 and be connected by rod end ball joint bearing 4 with interconnection isolation mounting 5.Present embodiment and mode of execution one difference are: interconnection isolation mounting 5 is as Fig. 4, shown in Figure 5, and interconnection isolation mounting 5 is made up of upper junction plate 21, nut 22, strut 23, middle connecting plate 24, linear bearing set screw 25, linear bearing B 26, auxilliary pneumatic spring 27, connecting bolt 28, pressing plate 29, primary air spring 30, lower connecting plate 31, adjustment nut 32, electromagnetic proportional valve B33, ball valve C 34, ball valve D 35 and high pressure hose 18.Strut 23, nut 22, upper junction plate 21 and pressing plate 29 constitute movable supporting part, and close the position is that strut 23 is connected upper junction plate 21 and pressing plate 29 by screw thread with nut 22.Middle connecting plate 24, bolt 28, adjustment nut 32 constitute the fixed support parts with lower connecting plate 31, close the position is that strut 23 moves by constituting between linear bearing B 26 and linear bearing set screw 25 and the middle connecting plate 24, and middle connecting plate 24 is adjusted nut 32 and lower connecting plate 31 by connecting bolt 28.Primary air spring 30 is placed between pressing plate 29 and the lower connecting plate 31, auxilliary pneumatic spring 27 is placed between middle connecting plate 24 and the pressing plate 29,2 high pressure hoses 18 connect two interconnection isolation mountings 5 of adjacent symmetric position, one end of high pressure hose 18 connects the auxilliary pneumatic spring 27 of interconnection isolation mounting 5, the other end of high pressure hose 18 connects the primary air spring 30 of adjacent symmetric position interconnection isolation mounting 5, constitute the interconnection isolation mounting system of two interconnection isolation mountings 5 of 4 groups every pipeline interconnection, every high pressure hose 18 is provided with electromagnetic proportional valve B33, ball valve C34 is located at joint between 2 high pressure hose 18 loops, and ball valve D35 is installed on the initial pipeline.Electromagnetic proportional valve B 33 is used to regulate the damping size, and auxilliary pneumatic spring 27 and primary air spring 30 are elastic element, and ball valve C 34, ball valve D 35 are because inflation, pressure regulation and movable supporting part height control.During normal the use, ball valve C 34, ball valve D 35 close; Install when regulating, electromagnetic proportional valve B 33, ball valve C 34, ball valve D 35 all open, be connected with external air source equipment, realize to left and right auxilliary pneumatic spring 27 and primary air spring 30 in the interconnection isolation mounting 5 inflate simultaneously, pressure regulation and the adjusting of movable supporting part height.When upper mounting plate 1 translational motion, left and right two pressing plates 29 compress single primary air spring 30 or auxilliary pneumatic spring 27 simultaneously for motion in the same way among Fig. 4, and the gas compression amount is little, rigidity is little; When upper mounting plate 1 non-translational motion, left and right two pressing plates 29 are reversing motion among Fig. 4, primary air spring 30 and auxilliary pneumatic spring 27 will be by compression simultaneously, the gas compression amount is big, rigidity is big, satisfied the vibration of moving carrier carrying equipment six-shaft vibration and impact isolation platform line and little, angular vibrations of shock stiffness and the big requirement of shock stiffness, and stability requirement.In addition, owing to there is not motive sealing, surface friction drag is little, and strut 27 motions are applicable to that carrying is not too big, low frequency, the vibration of little energy isolate occasion with impacting flexibly.
Claims (3)
1. moving carrier carrying equipment six-shaft vibration and impact isolation platform is characterized in that, comprise upper mounting plate (1), lower bolster (7), interconnection isolation mounting system; Instrument and equipment is placed on the upper mounting plate (1), described lower bolster (7) is fixed on the moving carrier by foot screw 8, described interconnection isolation mounting system comprises 4 pairs of interconnection isolation mountings (5), and described interconnection isolation mounting (5) is symmetrically arranged between upper mounting plate and the lower bolster by 4 supporting way pairwise orthogonals; Described upper mounting plate (1) and lower bolster (7) respectively by support attachment screw (2) be connected support (3) and link to each other, described connection support (3) is connected with interconnection isolation mounting (5) by rod end ball joint bearing (4).
2. a kind of moving carrier carrying equipment six-shaft vibration according to claim 1 and impact isolation platform, it is characterized in that described interconnection isolation mounting (5) comprises piston cylinder (14), pipe joint (15), accumulator (16), electromagnetic proportional valve A (17), high pressure hose (18), ball valve A (19) and ball valve B (20).Wherein piston cylinder (14) is by piston rod (9), Sealing (10), linear bearing A (11), cover plate set screw (12), cover plate (130), cylinder body (14); 2 described high pressure hoses (18) connect two interconnection isolation mountings (5) of adjacent symmetric position, the epicoele of one end interconnection isolation mounting (5) piston cylinder of described high pressure hose (18), the other end of described high pressure hose (18) connects the cavity of resorption of adjacent symmetric position interconnection isolation mounting (5) piston cylinder, constitute the interconnection isolation mounting system of two interconnection isolation mountings of 4 groups every pipeline interconnection (5), the joint connects with pipe joint (15); Ball valve A (19) is located at joint between 2 high pressure hoses (18) loop, described ball valve B (20) is installed on the initial oil pipeline, 2 high pressure hoses (18) loop is provided with accumulator (16), and the pipeline between described accumulator (16) and the high pressure hose (18) is provided with electromagnetic proportional valve A (17).
3. a kind of moving carrier carrying equipment six-shaft vibration according to claim 1 and impact isolation platform, it is characterized in that described interconnection isolation mounting (5) comprises upper junction plate (21), nut (22), strut (23), middle connecting plate (24), linear bearing set screw (25), linear bearing B (26), auxilliary pneumatic spring (27), connecting bolt (28), pressing plate (29), primary air spring (30), lower connecting plate (31), adjusts nut (32), electromagnetic proportional valve B (33), ball valve C (34), ball valve D (35) and high pressure hose (18); Described strut (23), nut (22), upper junction plate (21) and pressing plate (29) constitute movable supporting part, and described strut (23) is connected upper junction plate (21) and pressing plate (29) by screw thread with nut (22); Described middle connecting plate (24), bolt (28), adjustment nut (32) constitute the fixed support part with lower connecting plate (31), described strut (23) moves by constituting between linear bearing B (26) and linear bearing set screw (25) and the middle connecting plate (24), and middle connecting plate (24) is adjusted nut (32) and lower connecting plate (31) by connecting bolt (28); Primary air spring (30) is placed between pressing plate (29) and the lower connecting plate (31), and auxilliary pneumatic spring (27) is placed between middle connecting plate (24) and the pressing plate (29); 2 described high pressure hoses (18) connect two interconnection isolation mountings (5) of adjacent symmetric position, one end of described high pressure hose (18) connects the auxilliary pneumatic spring (27) of interconnection isolation mounting (5), the other end of described high pressure hose (18) connects the primary air spring (30) of adjacent symmetric position interconnection isolation mounting (5), constitute the interconnection isolation mounting system of two interconnection isolation mountings of 4 groups every pipeline interconnection (5), every described high pressure hose (18) is provided with electromagnetic proportional valve B (33), ball valve C (34) is located at joint between 2 high pressure hoses (18) loop, and ball valve D (35) is installed on the initial pipeline.
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| CN2010102000474A CN101858403B (en) | 2010-06-12 | 2010-06-12 | Six-shaft vibration and shock isolation platform for moving carrier carrying equipment |
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| CN2010102000474A CN101858403B (en) | 2010-06-12 | 2010-06-12 | Six-shaft vibration and shock isolation platform for moving carrier carrying equipment |
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| CN101858403B CN101858403B (en) | 2012-03-21 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401080A (en) * | 2011-11-17 | 2012-04-04 | 故宫博物院 | Three-dimensional antique vibration isolation device with limit protection system |
| CN104626500A (en) * | 2015-01-30 | 2015-05-20 | 柳州市颖航汽配有限公司 | Plastic extruder |
| CN104676199A (en) * | 2015-01-30 | 2015-06-03 | 柳州市颖航汽配有限公司 | Plastic-extruder suspension seat |
| CN105276076A (en) * | 2015-11-20 | 2016-01-27 | 上海卫星装备研究所 | Novel high-precision hybrid vibration isolation device |
| CN105855983A (en) * | 2016-06-02 | 2016-08-17 | 刘瑞 | Translation mechanical device for machining |
| CN106275893A (en) * | 2015-06-01 | 2017-01-04 | 北京卫星环境工程研究所 | It is applicable to the Active vibration-reducing system of spacecraft transport package box |
| CN106763411A (en) * | 2016-11-09 | 2017-05-31 | 上海卫星装备研究所 | A kind of isolation mounting for the in-orbit weightlessness simulation of spacecraft |
| CN108036018A (en) * | 2017-12-06 | 2018-05-15 | 吉林大学 | Tandem six degree of freedom air suspension vibration-isolating platform |
| CN109555960A (en) * | 2018-11-30 | 2019-04-02 | 长光卫星技术有限公司 | Variation rigidity flexibility damps supporting leg |
| CN110027862A (en) * | 2019-05-06 | 2019-07-19 | 无锡巨力重工股份有限公司 | Expect basket track scale |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| TW201416815A (en) * | 2012-10-23 | 2014-05-01 | Zhong-Peng Su | Method for attitude detection of six-axis motion and detection systems thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401080A (en) * | 2011-11-17 | 2012-04-04 | 故宫博物院 | Three-dimensional antique vibration isolation device with limit protection system |
| CN104626500A (en) * | 2015-01-30 | 2015-05-20 | 柳州市颖航汽配有限公司 | Plastic extruder |
| CN104676199A (en) * | 2015-01-30 | 2015-06-03 | 柳州市颖航汽配有限公司 | Plastic-extruder suspension seat |
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| CN105276076B (en) * | 2015-11-20 | 2017-12-08 | 上海卫星装备研究所 | A kind of novel high-precision hybrid vibration isolation device |
| CN105855983A (en) * | 2016-06-02 | 2016-08-17 | 刘瑞 | Translation mechanical device for machining |
| CN106763411A (en) * | 2016-11-09 | 2017-05-31 | 上海卫星装备研究所 | A kind of isolation mounting for the in-orbit weightlessness simulation of spacecraft |
| CN108036018A (en) * | 2017-12-06 | 2018-05-15 | 吉林大学 | Tandem six degree of freedom air suspension vibration-isolating platform |
| CN109555960A (en) * | 2018-11-30 | 2019-04-02 | 长光卫星技术有限公司 | Variation rigidity flexibility damps supporting leg |
| CN110027862A (en) * | 2019-05-06 | 2019-07-19 | 无锡巨力重工股份有限公司 | Expect basket track scale |
| CN110027862B (en) * | 2019-05-06 | 2024-05-31 | 无锡巨力重工股份有限公司 | Basket weighing vehicle |
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