CN105548751A - Three-degrees-of-freedom test platform - Google Patents
Three-degrees-of-freedom test platform Download PDFInfo
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- CN105548751A CN105548751A CN201510905839.4A CN201510905839A CN105548751A CN 105548751 A CN105548751 A CN 105548751A CN 201510905839 A CN201510905839 A CN 201510905839A CN 105548751 A CN105548751 A CN 105548751A
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- 238000012360 testing method Methods 0.000 title claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 60
- 230000033001 locomotion Effects 0.000 claims abstract description 30
- 238000005096 rolling process Methods 0.000 claims abstract description 13
- 230000005611 electricity Effects 0.000 claims description 51
- 241000239290 Araneae Species 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000000737 periodic effect Effects 0.000 abstract description 4
- 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 abstract 3
- 230000009471 action Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/003—Environmental or reliability tests
Abstract
The invention provides a three-degrees-of-freedom test platform used for simulating rolling and pitching of an antenna carrier. The test platform comprises a bottom pedestal, a directional rotating device, a forward-tilting cylinder mechanism, a side-tilting cylinder mechanism, a top platform, a supporting device and a control box. The directional rotating device is fixedly mounted inside a bottom frame of the bottom pedestal. The supporting device is provided with a lower turntable which is connected with the directional rotating device. The forward-tilting cylinder mechanism and the side-tilting cylinder mechanism are mounted on the lower turntable. The top ends of the forward-tilting cylinder mechanism and the side-tilting cylinder mechanism are hinged to the top platform. The control box is fixedly connected beside the bottom pedestal. The directional rotating device, the forward-tilting cylinder mechanism and the side-tilting cylinder mechanism are each equipped with a servo electric cylinder for driving the corresponding part to move, so that rotating motion, forward-tilting motion and side-tilting motion of an upper platform of the top platform are realized. The test platform can do periodic motion in one direction and do periodic motion in three directions at the same time, and can well simulate rolling and pitching of an antenna carrier to realize antenna directivity test.
Description
Technical field
The present invention relates to a kind of Three Degree Of Freedom test platform, can the transverse and longitudinal of analog carrier shake (as steamer, high building top etc.), the transverse and longitudinal detecting carrier shakes the impact on antenna direction performance.The invention belongs to antenna direction performance field tests.
Technical background
The satellite technology of China achieves significant progress in recent years, and mechanics of communication is also more and more ripe, and the occasion of antenna applications is more and more wider.The incorrect meeting of sensing of antenna causes antenna to receive very faint signal, does not sometimes even receive signal, and therefore antenna direction is the important factor affecting antenna receiving signal.A kind of smart antenna of present invention can point to target satellite always.But antenna direction performance needs to test before coming into operation under specific environment.The method of current domestic test antenna pointing capability has two kinds: a kind of method manually regulates the position of antenna and angle to detect antenna direction performance; Another kind is to detect the pointing capability of antenna in one direction or the position of multi-direction change antenna and angle.These two kinds of methods have a common shortcoming to be that they can not simulate the motion of a concrete antenna carrier, and then test the impact of this motion on antenna direction.They are the pointing capability that the simple position changing antenna and angle carry out test antenna.This have impact on the accuracy of antenna performance test to a great extent.
Summary of the invention
The object of the invention is that the deficiency existed for prior art provides a kind of Three Degree Of Freedom test platform, can the equipment that shakes of the transverse and longitudinal of artificial antenna carrier, this equipment can simulate steamer, the carrier period motion such as high building top, detects carrier that this transverse and longitudinal shakes to the impact of antenna direction performance.
For achieving the above object, design of the present invention is:
In test process, lower motor cyclical movement is passed to lower rotary table by direction gearing, is fixed on lower rotary table by top platform by bracing or strutting arrangement, realizes lower rotary table and drives top platform left and right directions to do cyclical movement; Drive electric cylinder periodically stretch out and retract by the servomotor that leans forward, realize upper mounting plate and periodically lean forward and swing back; Driving electric cylinder periodically stretch out and retract by rolling servomotor, realizing upper mounting plate and periodically rolling and face upward with side.The transverse and longitudinal being carried out artificial antenna carrier by action or single action while three servomotors is shaken, and completes the test to antenna direction performance.
According to foregoing invention design, the present invention adopts following technical proposals:
A kind of Three Degree Of Freedom test platform, it comprises bottom support bracket, direction gearing, the electricity Gang mechanism that leans forward,
Roll cylinder mechanism, top platform, bracing or strutting arrangement and control box.Described direction wheelwork is fixedly mounted in a bottom support bracket of bottom support bracket, bracing or strutting arrangement has a lower rotary table to connect with direction wheelwork, described lower rotary table is installed and leans forward electricity Gang mechanism and roll electricity Gang mechanism, lean forward electricity Gang mechanism and the top hinge top platform rolling electricity Gang mechanism, is fixedly connected with control box on base side; Respectively have servo electric jar to drive it to move respectively in described direction wheelwork, lean forward electricity Gang mechanism and inclination electricity Gang mechanism, thus the upper mounting plate realizing top platform rotate, lean forward and roll motion.Under(-)chassis in described bottom support bracket passes on left bolt and is connected with control box, and the surface plate on bottom support bracket and pivoting support bottom are bolted; Described pivoting support top and lower rotary table are bolted; Described direction gearing is bolted by gear couplings part and lower rotary table, and direction gearing is connected with under(-)chassis bolt by reductor holder; The described electricity Gang of leaning forward mechanism bottom is connected with lower rotary table bolt by bearing with spherical outside surface of usheing to seat, and top is connected with top platform by flake bearing; The described electricity Gang of leaning forward mechanism bottom is connected with lower rotary table bolt by bearing with spherical outside surface of usheing to seat, and top is connected with the hyphen bar in top platform by flake bearing; Described bracing or strutting arrangement is connected below by bolt and lower rotary table, and top is connected with top platform by rolling bearing units; Described sensor caging system is fixed on and leans forward in electricity Gang mechanism and inclination electricity Gang mechanism.In test process, lower motor cyclical movement is driven cyclical movement on upper mounting plate left and right directions by utilization orientation gearing; Drive electric cylinder periodically stretch out and retract by the servomotor that leans forward, realize upper mounting plate and periodically lean forward and swing back; Driving electric cylinder periodically stretch out and retract by rolling servomotor, realizing upper mounting plate and periodically rolling and face upward with side.The transverse and longitudinal being carried out artificial antenna carrier by action or single action while three servomotors is shaken, and completes the test to antenna direction performance.
The structure of described bottom support bracket is: bottom support bracket bottom is connected with 4 bearings by leading screw, and near bearing, 4 pulleys and under(-)chassis are bolted, and manually regulates 4 support positions, and pulley can be made to land slips, adjusts the placement location of equipment; Under(-)chassis passes on left
Bolt is connected with control box; Be bolted with surface plate above under(-)chassis, surface plate is connected by bolt and pivoting support bottom.
The structure of described direction gearing is: described bottom motors is bolted on decelerator shell, and by key through-drive to reductor; Described reductor is fixed in frame by reductor holder, and passes motion to driving gear by key axle; Described driving gear drives driven gear motion by gear drive; Described driven gear is fixedly connected with gear couplings part by bolt; Described gear couplings part top and lower rotary table are bolted to connection.
The described electricity Gang mechanism that leans forward, rolling the structure of electricity Gang mechanism is: described in the motor that leans forward in electricity Gang mechanism by travelling belt transmission campaign to electric cylinder, motor and electric cylinder are all bolted on motor cabinet; Described electric cylinder lower end is connected with lower rotary table by bearing with spherical outside surface of usheing to seat, and the flake bearing on top connects with long transverse lever; Described limit sensors is fixed on it electric cylinder cylinder; Motor in described inclination electricity Gang mechanism is by travelling belt transmission campaign to electric cylinder, and motor and electric cylinder are all bolted on motor cabinet; Described electric cylinder lower end is connected with lower rotary table by bearing with spherical outside surface of usheing to seat, and the flake bearing on top connects with hyphen bar; Described limit sensors is fixed on it electric cylinder cylinder.
The structure of described bracing or strutting arrangement is: described bracing or strutting arrangement is made up of intermediate column and lower rotary table; Described intermediate column upper end is bolted a web joint; Described web joint is bolted two bearing spiders; Two described bearing spiders are connected with the bearing spider of in upper mounting plate by bearing; Described intermediate column is below by being bolted on lower rotary table.
The structure of described top platform is: described upper mounting plate is connected with 4 bearing seats by bolt, and described wherein two bearing seats are connected with long transverse lever by bearing post, and two other bearing seat described is connected with hyphen bar by bearing post; Described upper mounting plate cannot be bolted test antenna.
The present invention compared with prior art, there is following apparent outstanding substantive distinguishing features and remarkable advantage: upper mounting plate of the present invention is connected on lower rotary table by bracing or strutting arrangement, drive lower rotary table can do cyclical movement to wide-angle in the lateral direction by direction gearing; Lean forward electricity Gang mechanism and roll electricity Gang mechanism by the cyclical movement of electric cylinder, realizes the swing of upper mounting plate and roll the cyclical movement of facing upward side.The present invention both can make platform do periodic motion in one direction, and platform also can be made to do cyclical movement in three directions simultaneously, can be good at the horizontal pitching of artificial antenna carrier, realized the test to antenna direction performance.
Accompanying drawing explanation
Fig. 1 is the general structure schematic diagram of Three Degree Of Freedom test platform.
Fig. 2 is the front elevation of Fig. 1.
Embodiment
Preferred embodiment accompanying drawings of the present invention is as follows:
Embodiment one:
With reference to figure 1 and Fig. 2, Three Degree Of Freedom test platform comprises bottom support bracket (1); Direction wheelwork (2); Lean forward electricity Gang mechanism (3); Roll electricity Gang mechanism (4); Top platform (5); Bracing or strutting arrangement (6); Control box (7) and sensor caging system (8).It is characterized in that: described direction wheelwork (2) is fixedly mounted in a bottom support bracket (13) of bottom support bracket (1), bracing or strutting arrangement (6) has a lower rotary table (65) to connect with direction wheelwork (2), to lean forward electricity Gang mechanism (3) and inclination electricity Gang mechanism (4) in the upper installation of described lower rotary table (65), lean forward electricity Gang mechanism (3) and roll top hinge top platform (5) of electricity Gang mechanism (4), is fixedly connected with control box (7) base (1) is other; Respectively have servo electric jar (21,31,41) to drive it to move respectively in described direction wheelwork (2), lean forward electricity Gang mechanism (3) and inclination electricity Gang mechanism (4), thus the upper mounting plate (51) realizing top platform (5) rotate, lean forward and roll motion.
Embodiment two:
With reference to figure 1 and Fig. 2, this Three Degree Of Freedom test platform is characterized in that: the under(-)chassis (13) in described bottom support bracket (1) passes on left bolt and is connected with control box (7), and the surface plate (14) on bottom support bracket (1) and pivoting support (145) bottom are bolted; Described pivoting support (14) top and lower rotary table (65) are bolted; Gear couplings part (27) in described direction gearing (2) and lower rotary table (65) are bolted, and the reductor holder (25) in direction gearing (2) and under(-)chassis (13) are bolted; Bearing with spherical outside surface of usheing to seat (35) and the lower rotary table (65) of the described electricity Gang of leaning forward mechanism (3) bottom are bolted, and the flake bearing on top connects with the long transverse lever (54) in top platform (5); Bearing with spherical outside surface of usheing to seat (44) and the lower rotary table (65) of the described electricity Gang of leaning forward mechanism (4) bottom are bolted, and the flake bearing on top connects with the hyphen bar (57) in top platform (5); Described bracing or strutting arrangement (6) is connected below by bolt and lower rotary table (65), and top is connected by rolling bearing units (61); Described sensor caging system (8) is fixed on to be leaned forward in electricity Gang mechanism (3) and inclination electricity Gang mechanism (4).In test process, lower motor (21) cyclical movement is passed to lower rotary table (65) by direction gearing (2), top platform (51) is fixed on lower rotary table (65) by bracing or strutting arrangement, realizes lower rotary table (65) and drive top platform (51) left and right directions to do cyclical movement; Drive electric cylinder (31) periodically stretch out and retract by the servomotor that leans forward (32), realize upper mounting plate (51) and periodically lean forward and swing back; Driving the electric cylinder of inclination (45) periodically stretch out and retract by rolling servomotor (41), realizing upper mounting plate (51) periodic
Inclination and side are faced upward.The transverse and longitudinal being carried out artificial antenna carrier by action or single action while three servomotors is shaken, and completes the test to antenna direction performance.
The structure of described bottom support bracket (1) is: described bottom support bracket bottom is connected with 4 bearings (11) by leading screw, near bearing, 4 pulleys (12) are bolted with under(-)chassis, manually regulate 4 support positions, pulley can be made to land slip, the placement location of adjustment equipment; Described under(-)chassis (13) passes on left bolt and is connected with control box (7); Described under(-)chassis (13) is bolted with surface plate (14) above; Described surface plate (14) is connected by bolt and pivoting support (15) bottom.
The structure in described direction gearing (2) is: described motor (21) to reductor (22), and is bolted on reductor (22) shell by key through-drive; Described reductor (22) passes motion to driving gear (23) by key axle, and is fixed by bolts in frame by reductor holder (25); Described driving gear (23) drives driven gear (24) to move by gear drive; Described driven gear (24) is fixedly connected with gear couplings part (26) by bolt; Described gear couplings part (26) top and lower rotary table (65) are bolted to connection.
The described electricity Gang mechanism (3) that leans forward, the structure rolling electricity Gang mechanism (4) is: described in the motor (32) that leans forward in electricity Gang mechanism (3) drive electric cylinder (31) to move by travelling belt (34), motor (32) and electric cylinder (31) are all bolted on motor cabinet (33); Described electric cylinder (31) lower end is connected with lower rotary table (65) by bearing with spherical outside surface of usheing to seat (35), and top is connected with long transverse lever (54) by flake bearing; Described sensor (82) is fixed on it electric cylinder cylinder; Motor (41) in described inclination electricity Gang mechanism (4) is connected with electric cylinder (45) by travelling belt (43), motor (41) and electric cylinder (45) are all bolted on described electric cylinder (45) lower end on motor cabinet and are connected with lower rotary table (65) by bearing with spherical outside surface of usheing to seat (44), and top is connected with hyphen bar (57) by flake bearing; Described sensor (81) is fixed on it electric cylinder cylinder.
The structure of described bracing or strutting arrangement (6) is: described bracing or strutting arrangement (6) is made up of intermediate column (64) and lower rotary table (65); Described intermediate column (64) upper end is bolted a web joint (63); Described web joint (63) is bolted two bearing spiders (621,622); Described two bearing spiders (621,622) are connected with the bearing spider of in upper mounting plate (61) by bearing; Described intermediate column (64) is below by being bolted on lower rotary table (65).
The structure of described top platform (5) is: described upper mounting plate (51) is connected by bolt and bearing seat (521,522,551,552); Described bearing seat (521,522) is connected with long transverse lever by bearing post (531,532); Described bearing seat (551,552) is connected with hyphen bar (57) by bearing post (551,552); (51) cannot be bolted tester to described upper mounting plate.
Above-mentioned example is implemented not limit the present invention in any form, and all technical schemes taking the mode of equivalent replacement or equivalent transformation to obtain, all in scope.
Claims (7)
1. a Three Degree Of Freedom test platform, it comprises bottom support bracket (1); Direction wheelwork (2); Lean forward electricity Gang mechanism (3); Roll electricity Gang mechanism (4); Top platform (5); Bracing or strutting arrangement (6) and control box (7); It is characterized in that: described direction wheelwork (2) is fixedly mounted in a bottom support bracket (13) of bottom support bracket (1), bracing or strutting arrangement (6) has a lower rotary table (65) to connect with direction wheelwork (2), to lean forward electricity Gang mechanism (3) and inclination electricity Gang mechanism (4) in the upper installation of described lower rotary table (65), lean forward electricity Gang mechanism (3) and roll top hinge top platform (5) of electricity Gang mechanism (4), is fixedly connected with control box (7) base (1) is other; Respectively have servo electric jar (21,31,41) to drive it to move respectively in described direction wheelwork (2), lean forward electricity Gang mechanism (3) and inclination electricity Gang mechanism (4), thus the upper mounting plate (51) realizing top platform (5) rotate, lean forward and roll motion.
2. Three Degree Of Freedom test platform according to right 1, is characterized in that: a under(-)chassis (13) in described bottom support bracket (1) passes on left bolt and is connected with control box (7); A surface plate (14) in described bottom support bracket (1) and pivoting support (15) bottom are bolted; Described pivoting support (15) top and described lower rotary table (65) are bolted; A gear couplings part (27) in described direction gearing (2) and described lower rotary table (65) are bolted; A reductor holder (25) in described direction gearing (2) and described under(-)chassis (13) are bolted; A bearing with spherical outside surface of usheing to seat (35) and the lower rotary table (65) of the described electricity Gang of leaning forward mechanism (3) bottom are bolted, and a flake bearing on top connects with a long transverse lever (54) in top platform (5); A bearing with spherical outside surface of usheing to seat (44) and the described lower rotary table (65) of the described electricity Gang of leaning forward mechanism (4) bottom are bolted, and a flake bearing on top connects with a hyphen bar (57) in described top platform (5); Described bracing or strutting arrangement (6) is connected below by bolt and described lower rotary table (65), and top is connected by a rolling bearing units (61); There is a sensor caging system (8) to be fixed on and lean forward in electricity Gang mechanism (3) and inclination electricity Gang mechanism (4); In examination process, described lower rotary table (65) and described top platform (5) left and right directions cyclical movement is driven by described direction gearing (2), the electricity Gang mechanism (3) that leans forward drives described top platform (5) to do periodically to lean forward and motion of swinging back, described inclination electricity Gang mechanism (4) drives described top platform (5) to do periodically inclination and side and faces upward motion, thus the transverse and longitudinal of test antenna carrier shakes the impact on antenna pointing capability on platform.
3. Three Degree Of Freedom test platform according to right 1, is characterized in that described bottom support bracket (1): described bottom support bracket (1) bottom is spun by leading screw and 4 bearings (11), near bearing (11), have 4
A under(-)chassis (13) of individual pulley (12) and bottom support bracket (1) is bolted, and manually regulates 4 bearing (11) positions, pulley can be made to land slips, adjust the placement location of equipment; Described under(-)chassis (13) passes on left bolt and is connected with control box (7); Described under(-)chassis (13) is bolted with a surface plate (14) above; Described surface plate (14) is connected by bolt and pivoting support (15) bottom.
4. Three Degree Of Freedom test platform according to right 3, is characterized in that described direction gearing (2): a motor (21) by key through-drive reductor (22), and is bolted on reductor (22) shell; Described reductor (22) passes motion to a driving gear (23) by key axle, and is fixed by bolts on under(-)chassis (13) by reductor holder (25); Lower end transmission dynamic driven gear (24) motion of described driving gear (23); Described driven gear (24) is fixedly connected with by the lower end of bolt with gear couplings part (26); The lower rotary table (65) of described gear couplings part (26) top and bracing or strutting arrangement (6) is bolted to connection.
5. Three Degree Of Freedom test platform according to right 4, the electricity Gang mechanism (3) that leans forward, rolls electricity Gang mechanism (4) described in it is characterized in that: described in lean forward in electricity Gang mechanism (3) and have a motor
(32) an electric cylinder is driven by a travelling belt (34)
(31) move, motor
and electric cylinder (32)
(31) all motor cabinet is bolted on
(33) on; Described electric cylinder
(31) lower end is hinged by bearing with spherical outside surface of usheing to seat (35) and lower rotary table (65), and top is hinged by flake bearing and a long transverse lever (54); Pair of sensors (82) is fixed on it electric cylinder cylinder; A motor is had in described inclination electricity Gang mechanism (4)
(41) travelling belt is passed through
(43) with electric cylinder
(45) connect, motor (41) and electric cylinder (45) are all bolted on described electric cylinder (45) lower end on motor cabinet and are hinged by a bearing with spherical outside surface of usheing to seat (44) and lower rotary table (65), and top is connected with a hyphen bar (57) by a flake bearing; Another pair of sensors (81) is fixed on it electric cylinder cylinder.
6. Three Degree Of Freedom test platform according to right 5, is characterized in that described bracing or strutting arrangement (6): described bracing or strutting arrangement (6) comprises an intermediate column (64) and a lower rotary table (65); Described intermediate column (64) upper end is bolted a web joint (63); Described web joint (63) is bolted two bearing spiders (621,622) above; Described two bearing spiders (621,622) are connected with the bearing spider of in upper mounting plate (61) by bearing; Described intermediate column (64) lower end is bolted on lower rotary table (65).
7. Three Degree Of Freedom test platform according to right 6, is characterized in that described top platform (5): institute
The structure stating top platform (5) is: have a upper mounting plate (51) to be connected by bolt and 4 bearing seats (521,522,551,552); Wherein two bearing seats (521,522) are connected with long transverse lever (54) by two bearing posts (531,532); Another two bearing seats (551,552) are connected with hyphen bar (57) by bearing post (551,552).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510905839.4A CN105548751B (en) | 2015-12-09 | 2015-12-09 | Three Degree Of Freedom test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510905839.4A CN105548751B (en) | 2015-12-09 | 2015-12-09 | Three Degree Of Freedom test platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105548751A true CN105548751A (en) | 2016-05-04 |
| CN105548751B CN105548751B (en) | 2019-04-16 |
Family
ID=55828072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510905839.4A Active CN105548751B (en) | 2015-12-09 | 2015-12-09 | Three Degree Of Freedom test platform |
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| Country | Link |
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| CN (1) | CN105548751B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022500678A (en) * | 2018-09-19 | 2022-01-04 | 西安高圧電器研究院有限責任公司Xi’an High Voltage Apparatus Research Institute Co., Ltd. | Short-circuit break test system for marine appliances |
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|---|---|---|---|---|
| JPH11319327A (en) * | 1998-05-11 | 1999-11-24 | Kawada Kogyo Kk | Motion base with plural degrees of freedom |
| CN101255943A (en) * | 2008-04-08 | 2008-09-03 | 天津大学 | Saddle type parallel tracking station |
| CN101822901A (en) * | 2009-05-11 | 2010-09-08 | 上海延锋江森座椅有限公司 | Wabbler mechanism of electric seat |
| CN103126362A (en) * | 2012-11-30 | 2013-06-05 | 大连理工计算机控制工程有限公司 | Electric dynamic seat |
-
2015
- 2015-12-09 CN CN201510905839.4A patent/CN105548751B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11319327A (en) * | 1998-05-11 | 1999-11-24 | Kawada Kogyo Kk | Motion base with plural degrees of freedom |
| CN101255943A (en) * | 2008-04-08 | 2008-09-03 | 天津大学 | Saddle type parallel tracking station |
| CN101822901A (en) * | 2009-05-11 | 2010-09-08 | 上海延锋江森座椅有限公司 | Wabbler mechanism of electric seat |
| CN103126362A (en) * | 2012-11-30 | 2013-06-05 | 大连理工计算机控制工程有限公司 | Electric dynamic seat |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022500678A (en) * | 2018-09-19 | 2022-01-04 | 西安高圧電器研究院有限責任公司Xi’an High Voltage Apparatus Research Institute Co., Ltd. | Short-circuit break test system for marine appliances |
| JP7166466B2 (en) | 2018-09-19 | 2022-11-07 | 西安高圧電器研究院有限責任公司 | Short-circuit break test system for marine electrical appliances |
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| Publication number | Publication date |
|---|---|
| CN105548751B (en) | 2019-04-16 |
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Effective date of registration: 20240229 Address after: 201900 Area A, 5th Floor, Building 1, No. 688 Shangda Road, Baoshan District, Shanghai Patentee after: Shanghai Zhiyue Technology Development Co.,Ltd. Country or region after: China Address before: No.99 SHANGDA Road, Baoshan District, Shanghai 200444 Patentee before: Shanghai University Country or region before: China |