CN108344589B - Double six-degree-of-freedom connecting rod actuator type driving platform for railway vehicle - Google Patents
Double six-degree-of-freedom connecting rod actuator type driving platform for railway vehicle Download PDFInfo
- Publication number
- CN108344589B CN108344589B CN201810365024.5A CN201810365024A CN108344589B CN 108344589 B CN108344589 B CN 108344589B CN 201810365024 A CN201810365024 A CN 201810365024A CN 108344589 B CN108344589 B CN 108344589B
- Authority
- CN
- China
- Prior art keywords
- actuator
- degree
- freedom
- platform
- connecting rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
Abstract
The invention relates to a railway vehicle detection device, in particular to a double six-degree-of-freedom connecting rod actuator type driving platform for a railway vehicle. Including 1, No. 2 six degree of freedom connecting rod actuator formula drive platform, the horizontal supporting platform of actuator and 1, No. 2 horizontal supporting platform, every six degree of freedom connecting rod actuator formula drive platform comprises three horizontal effect actuator, two vertical effect units and six degree of freedom supporting platform, three horizontal effect actuator is respectively through connecting rod and six degree of freedom supporting platform swing joint, six degree of freedom supporting platform installs respectively on 1, No. 2 horizontal supporting platform through 1, No. 2 vertical effect units, surface mounting has wheel anchor clamps on the six degree of freedom supporting platform. The invention combines the rubber air spring with the double six-freedom-degree test platform, realizes that a special person is not needed to balance and stabilize the test platform after the test is finished, has simple operation and shortens the preparation time before and after the test.
Description
Technical Field
The invention relates to a railway vehicle detection device, in particular to a double six-degree-of-freedom connecting rod actuator type driving platform for a railway vehicle.
Background
At present, the high-speed railway business in China is in a rapid development stage, and as the running speed and the carrying capacity of a train are improved, the railway vehicle directly bearing passengers has great influence on the safety of the railway vehicle. Especially in high-speed railways, because of the different smoothness states of the track vehicle routes, the key parts of the track vehicle, the only running gear of the vehicle: the bogie plays the roles of supporting a vehicle body, steering and braking, and has important factors influencing the running safety, stability and efficiency of the railway vehicle, and the running state of the vehicle is directly influenced by the state of the bogie.
At present, most railway vehicle test platforms at home and abroad need specific personnel to balance and stabilize the test platforms after the test is finished, and the mode is complex in operation and long in time consumption, and can not meet the requirement of the current railway vehicle bogie detection.
Disclosure of Invention
The invention provides a double-six-degree-of-freedom connecting rod actuator type driving platform, aiming at the problem that the existing double-six-degree-of-freedom testing platform is complex to operate.
In order to solve the technical problems, the invention adopts the following technical scheme, which is described in the following with reference to the accompanying drawings:
a double-six-degree-of-freedom connecting rod actuator type driving platform for a railway vehicle comprises a number 1, a number 2 six-degree-of-freedom connecting rod actuator type driving platform 1, a number 2, an actuator transverse supporting platform 3, a number 1, a number 2 transverse supporting platform 4, 5, wherein the number 1, the number 2 six-degree-of-freedom connecting rod actuator type driving platform 1 and the number 2 are identical in structure, symmetrically and parallelly installed on the number 1, the number 2 transverse supporting platform 4, 5 are identical in structure, symmetrically and parallelly installed on a foundation, and the installation distance between the number 1, the number 2 six-degree-of-freedom connecting rod actuator type driving platform 1, 2 is adjusted through T-shaped grooves formed in the number 1 transverse supporting platform 4 and the number 2 transverse supporting platform 5; no. 1 six degree of freedom connecting rod actuator formula drive platform 1 comprises No. 1, No. 2, No. 3 horizontal action actuator 6, 7, 8, No. 1, No. 2 vertical action unit 13, 14, wheel anchor clamps 9 and six degree of freedom supporting platform 10, No. 1, No. 2, No. 3 horizontal action actuator 6, 7, 8 are respectively through connecting rod and six degree of freedom supporting platform 10 swing joint, six degree of freedom supporting platform 10 is installed respectively on No. 1, No. 2 horizontal supporting platform 4, 5 through No. 1, No. 2 vertical action unit 13, 14, and wheel anchor clamps (9) are installed on six degree of freedom supporting platform (10) upper surface.
The No. 1, No. 2 and No. 3 horizontal action actuators 6, 7 and 8 have the same structure, are respectively arranged on the actuator transverse supporting platform 3 and the No. 1 and No. 2 actuator transverse motion platforms 11 and 12, and have adjustable installation positions, the No. 1 horizontal action actuator 6 is rotationally connected with the upper surface of the six-freedom-degree supporting platform 10 through a connecting rod, and can adjust corresponding positions after the No. 1 six-freedom-degree connecting rod actuator type driving platform 1 moves, and the No. 2 and No. 3 horizontal action actuators 7 and 8 are respectively rotationally connected with the side surfaces of the six-freedom-degree supporting platform 10 through connecting rods; the wheel clamp 9 is arranged on the upper surface of the six-freedom-degree supporting platform 10, so that a tested piece can move along with the six-freedom-degree supporting platform 10 during testing.
No. 1, 2, 3 horizontal action actuator 6, 7, 8 constitute by actuator and platform connecting rod 15, force cell sensor 16, guide rail strip 17, actuator and servo valve 18, piston rod guide rail hookup seat 19 and swing jar support frame 20, actuator and platform connecting rod 15, piston rod guide rail hookup seat 19, force cell sensor 16, actuator and servo valve 18 coaxial line installation, actuator and platform connecting rod 15 are connected with actuator and servo valve 18 through piston rod guide rail hookup seat 19 and force cell sensor 16, actuator and servo valve 18 are fixed on swing jar support frame 20, piston rod guide rail hookup seat 19 is installed on swing jar support frame 20 through guide rail strip 17.
The actuator and platform connecting rod 15 consists of a connecting rod 23 and cross axle end cover shaft sleeves 24 at two ends of the connecting rod 23, one end of the connecting rod 23 is rotationally connected with the piston rod guide rail connecting seat 19 through a cross axle 25, and the other end of the connecting rod 23 is rotationally connected with the six-freedom-degree supporting platform 10 through an earring ball head, a ball sleeve 22 and a transverse connecting pin shaft 21; the actuator and servo valve 18 consists of an actuator 29 and a servo valve 28 fixed on the actuator 29; the piston rod guide rail connecting seat 19 consists of a guide rail sensor connecting seat 26, a cross shaft end cover shaft sleeve 24 and a sliding block 27, wherein the cross shaft end cover shaft sleeve 24 is arranged on the guide rail sensor connecting seat 26; the slider 27 is in sliding engagement with the rail 17.
The vertical effect unit 13 of No. 1, No. 2, 14 the same and symmetrical arrangement of structure, constitute by vertical actuator connecting rod 30, vertical piston rod guide rail hookup seat and guide rail 31, vertical actuator and servovalve 32, supporting seat 33 and 1, No. 2 gasbag assembled lift 34, 35, vertical actuator and servovalve 32 are fixed in the bottom surface of supporting seat 33, vertical piston rod guide rail hookup seat and guide rail 31 are connected with vertical actuator and servovalve 32 are concentric, and the guide rail of vertical piston rod guide rail hookup seat and guide rail 31 is fixed on the supporting seat 33 backplate, vertical actuator connecting rod 30 and vertical piston rod guide rail hookup seat and the concentric fixed connection of guide rail 31, No. 1, No. 2 gasbag assembled lift 34, 35 are installed and are fixed on the supporting seat 33 at the guide rail.
The No. 1 and No. 2 air bag assembled lifters 34 and 35 have the same structure and consist of an air spring cover plate 36 and an air spring 37, wherein the air spring 37 is arranged in the air spring cover plate 36, the air spring cover plate 36 is fixed on a supporting seat 33, a rubber air spring 44 of the air spring 37 is fixedly connected with a top connecting disc 42 and a rubber air spring pressing disc 43 through bolts, an air bag lifting mandrel 41 is concentrically connected with a lifting stroke adjusting plug 40 and the top connecting disc 42, a 6-minute short bent pipe 46 is concentrically connected with a rubber air spring bottom connecting disc 45, and the air bag lifting mandrel 41 ascends or descends along with the inflation or deflation of the rubber air spring 44 and contacts or releases the six-freedom-degree supporting platform 10.
Compared with the prior art, the invention has the beneficial effects that:
according to the double six-degree-of-freedom connecting rod actuator type driving platform for the railway vehicle, the rubber air spring is combined with the double six-degree-of-freedom testing platform, so that the testing platform is balanced and stable without special personnel after the test is finished, the operation is simple, and the preparation time before and after the test is shortened.
Drawings
FIG. 1 is an isometric view of a dual six degree-of-freedom link actuator drive platform according to the invention
FIG. 2 is an isometric projection of an actuator lateral support platform according to the invention
FIG. 3 is an axonometric view of the No. 1 lateral support platform according to the invention
FIG. 4 is an isometric view of a six degree of freedom link actuator drive platform, number 1, according to the present invention
FIG. 5 is an exploded view of a horizontal acting actuator according to the present invention
FIG. 6 is an isometric projection of the actuator and platform link assembly of the present invention
FIG. 7 is an exploded view of a piston rod guide coupling seat in accordance with the present invention
FIG. 8 is an isometric view of an actuator and servo valve according to the invention
FIG. 9 is an axonometric view of the No. 1 vertical action unit of the present invention
FIG. 10 is an isometric projection of the support base of the present invention
FIG. 11 is a perspective view of the assembled type lift of airbag No. 1 according to the present invention
FIG. 12 is a perspective view of the assembled type airbag 1 lift of the present invention showing the axial measurement when the lift is out of gas
FIG. 13 is an enlarged view of an air spring cover plate according to the present invention
FIG. 14 is an exploded view of an air spring according to the present invention
FIG. 15 is an axonometric view of a six degree of freedom support platform according to the invention
FIG. 16 is an isometric projection of the wheel clamp of the present invention
FIG. 17 is an isometric view of a wheel clamp of the present invention mounting a test object
In the figure: 1.1 # six-freedom-degree connecting rod actuator type driving platform, 2.2 # six-freedom-degree connecting rod actuator type driving platform, 3 # actuator transverse supporting platform, 4.1 # transverse supporting platform, 5.2 # transverse supporting platform, 6.1 # horizontal action actuator, 7.2 # horizontal action actuator, 8.3 # horizontal action actuator, 9 # wheel clamp, 10 # six-freedom-degree supporting platform, 11.1 # actuator transverse movement platform, 12.2 # actuator transverse movement platform, 13.1 # vertical action unit, 14.2 # vertical action unit, 15 # actuator and platform connecting rod, 16 # force transducer, 17 # guide rail bar, 18 # actuator and servo valve, 19 # piston rod guide rail connecting seat, 20 # swing cylinder supporting frame, 21 # transverse connecting pin shaft, 22 # earring ball head and ball sleeve, 23 # connecting rod, 24 # cross axle end cover shaft sleeve, 25 # cross axle, 26 # guide rail sensor connecting seat, 27. the device comprises a sliding block, 28 servo valves, 29 actuators, 30 longitudinal actuator connecting rods, 31 longitudinal piston rod guide rail connecting seats and guide rails, 32 longitudinal actuators and servo valves, 33 supporting seats, 34.1 airbag assembled lifters, 35.2 airbag assembled lifters, 36 air spring cover plates, 37 air springs, 38 airbag ejector rod guide sleeves, 39 airbag supporting plates, 40 lifting stroke adjusting plugs, 41 airbag lifting mandrels, 42 top connecting plates, 43 rubber air spring compression spring plates, 44 rubber air springs, 45 rubber air spring bottom connecting plates, 46.6-minute short bent pipes, 47 wheel stop plates, 48 sweep movable rail wheel U-shaped blocking inclined irons, 49 sweep movable rails, 50 sweep movable rail wheel U-shaped blocks, 51 measured parts
Detailed Description
The present invention will be described in more detail with reference to the accompanying drawings, but the scope of the invention is not limited thereto, and the invention is intended to cover all equivalent changes and modifications within the scope of the invention.
Referring to fig. 1, 2 and 3, the double six-degree-of-freedom connecting rod actuator type driving platform for the railway vehicle comprises a number 1 six-degree-of-freedom connecting rod actuator type driving platform (1), a number 2 six-degree-of-freedom connecting rod actuator type driving platform (2), an actuator transverse supporting platform (3), a number 1 transverse supporting platform (4) and a number 2 transverse supporting platform (5). No. 1 horizontal supporting platform (4) and No. 2 horizontal supporting platform (5) symmetry are installed on the ground, parallel distance between the two is 20m, the long limit of No. 1 six degrees of freedom connecting rod actuator formula drive platform (1) is parallel with the long limit of No. 2 six degrees of freedom connecting rod actuator formula drive platform (2), perpendicular with the long limit of No. 1 horizontal supporting platform (4) and No. 2 horizontal supporting platform (5), the both ends at No. 1 horizontal supporting platform (4) and No. 2 horizontal supporting platform (5) are installed to the symmetry. No. 1 six degree of freedom connecting rod actuator formula drive platform (1) and No. 2 six degree of freedom connecting rod actuator formula drive platform (2) structure is the same, T type groove on No. 1 horizontal supporting platform (4) and No. 2 horizontal supporting platform (5) can make No. 1 six degree of freedom connecting rod actuator formula drive platform (1) and No. 2 six degree of freedom connecting rod actuator formula drive platform (2) free slip, thereby adjust the distance between No. 1 six degree of freedom connecting rod actuator formula drive platform (1) and No. 2 six degree of freedom connecting rod actuator formula drive platform (2), make its better cooperation by the size of piece, it is more accurate to make the test.
Referring to fig. 4 and 15, the No. 1 six-degree-of-freedom link actuator type driving platform (1) or the No. 2 six-degree-of-freedom link actuator type driving platform (2) is composed of the No. 1 horizontal acting actuator (6), the No. 2 horizontal acting actuator (7), the No. 3 horizontal acting actuator (8), a wheel clamp (9), a six-degree-of-freedom supporting platform (10), the No. 1 actuator transverse motion platform (11), the No. 2 actuator transverse motion platform (12), the No. 1 vertical acting unit (13) and the No. 2 vertical acting unit (14). Wherein: actuator (6), 2 # horizontal effect actuator (7) and 3 # horizontal effect actuator (8) are the same in structure for 1 # horizontal effect, and the cooperation between 2 # horizontal effect actuator lateral motion platform (12) and 3 # horizontal effect actuator (8) is the same with the cooperation between 2 # horizontal effect actuator (7) and 1 # actuator lateral motion platform (11). The No. 1 vertical acting unit (13) and the No. 2 vertical acting unit (14) are respectively in fastening connection with the T-shaped grooves of the No. 1 transverse supporting platform (4) and the No. 2 transverse supporting platform (5) and in contact connection with the six-degree-of-freedom supporting platform (10). The T-shaped groove can enable the actuator (6) to act horizontally No. 1, the actuator (7) to act horizontally No. 2, the actuator (8) to act horizontally No. 3, the vertical acting unit (13) of No. 1 and the vertical acting unit (14) of No. 2 to move, and different sizes of the tested piece are met. After moving to suitable position, through No. 1 horizontal effect actuator (6), No. 2 horizontal effect actuator (7), No. 3 horizontal effect actuator (8), No. 1 vertical effect unit (13) and No. 2 vertical effect unit (14) of bolt difference fastening, make it can not the shift position when the test, the test is more accurate. The wheel clamp (9) is fixed on the six-freedom-degree supporting platform (10) by taking a symmetrical plane of the six-freedom-degree supporting platform (10) along the longitudinal direction (X) as a central plane, so that a tested piece can move along with the six-freedom-degree supporting platform (10) during testing. The No. 1 horizontal action actuator (6) is arranged along the transverse direction (Z), and the front end of the horizontal action actuator is rotationally connected with the surface of the short edge of the six-degree-of-freedom supporting platform (10); the No. 2 horizontal action actuator (7) and the No. 3 horizontal action actuator (8) are horizontally arranged along the longitudinal direction (X), and the front ends of the No. 2 horizontal action actuator and the No. 3 horizontal action actuator are rotatably connected with the surface of the long edge of the six-freedom-degree supporting platform (10); the three can realize six-freedom-degree motion during testing. The lower end face of the actuator (7) with the horizontal action number 2 is fixedly connected with the T-shaped groove of the transverse moving platform (11) of the actuator with the number 1, and the lower end face and the T-shaped groove are coplanar along the symmetrical plane in the longitudinal direction (Z), so that the position of the actuator (7) with the horizontal action number 2 cannot move during testing.
Referring to fig. 5, 6, 7 and 8, the No. 1 horizontally acting actuator (6), the No. 2 horizontally acting actuator (7) and the No. 3 horizontally acting actuator (8) are respectively composed of an actuator and platform connecting rod (15), a force measuring sensor (16), a guide rail strip (17), an actuator and servo valve (18), a piston rod guide rail connecting seat (19) and a swing cylinder supporting frame (20); the actuator and platform connecting rod (15) mainly comprises a transverse connecting pin shaft (21), an earring ball head, a ball sleeve (22), a connecting rod (23), a cross shaft end cover shaft sleeve (24) and a cross shaft (25); the actuator and the servo valve (18) mainly comprise a servo valve (28) and an actuator (29), and the servo valve (28) is fixed on the actuator (29); the piston rod guide rail connecting seat (19) mainly comprises a cross shaft end cover shaft sleeve (24), a guide rail sensor connecting seat (26) and a sliding block (27). The actuator and the transverse connecting pin shaft (21) in the platform connecting rod (15) are in tight fit with the earring ball head and the ball sleeve (22) and are collinear in axis, the earring ball head and the ball sleeve are in clearance fit with each other, a cross shaft (25) at the tail end is in end surface contact connection with a cross shaft end cover shaft sleeve (24) in the piston rod guide rail connecting seat (19), the transverse connecting pin shaft (21) at the front end is rotatably connected with the six-freedom-degree supporting platform (10), the actuator can rotate by three degrees of freedom, aggravation of abrasion of the actuator during high-frequency excitation is avoided, and transverse force possibly received by the actuator is eliminated. The lower end surface of the piston rod guide rail connecting seat (19) is superposed with the upper end surface of the guide rail strip (17), the lower end surface and the upper end surface of the piston rod guide rail connecting seat are coplanar along the symmetrical surface in the transverse direction (X), and the guide rail sensor connecting seat (26) is fixedly connected with the sliding block (27), so that the sliding block (27) can freely slide on the guide rail strip (17). The rear end face of the piston rod guide rail connecting seat (19) is fixedly connected with the front end face of the force measuring sensor (16), and the axes are collinear. The front ends of piston rods of actuators (29) in the actuators and the servo valve (18) are concentrically connected with the load cell (16), and the lower end surfaces of the piston rods are fixedly connected with the upper end surface of the swing cylinder support frame (20). The lower end face of the servo valve (28) is fixedly connected with the upper end face of the actuator (29). The symmetry axis of the actuator and the platform connecting rod (15), the symmetry axis of the piston rod guide rail connecting seat (19), the symmetry axis of the force measuring sensor (16) and the symmetry axis of the actuator and the servo valve (18) are collinear.
Referring to fig. 9, 10, 11, 12, 13 and 14, the No. 1 vertical acting unit (13) or the No. 2 vertical acting unit (14) is composed of a longitudinal actuator connecting rod (30), a longitudinal piston rod and guide rail connecting seat and guide rail (31), a longitudinal actuator and servo valve (32), a supporting seat (33), a No. 1 air bag assembled lifter (34) and a No. 2 air bag assembled lifter (35); the No. 1 air bag assembled type lifter (34) or the No. 2 air bag assembled type lifter (35) mainly comprises an air spring cover plate (36) and an air spring (37); the air spring cover plate (36) mainly comprises an air bag mandril guide sleeve (38) and an air bag support plate (39); the air spring (37) mainly comprises a lifting stroke adjusting plug (40), an air bag lifting mandrel (41), a top connecting disc (42), a rubber air spring pressing disc (43), a rubber air spring (44), a rubber air spring bottom connecting disc (45) and a 6-minute short bent pipe (46). The support seat (33) is used as a basis, the lower end face of the longitudinal actuator and the servo valve (32) is fixedly connected with the upper surface of the lower end of the support seat (33), the longitudinal piston rod guide rail connecting seat and the guide rail (31) are concentrically connected with the longitudinal actuator and the servo valve (32), and the rear surface of the guide rail is fixedly connected with the front surface of the rear end of the support seat (33). The longitudinal actuator connecting rod (30) is concentrically and fixedly connected with the longitudinal piston rod guide rail connecting seat and the guide rail (31).
The lower end surface of an air spring cover plate (36) in the No. 1 air bag assembled type lifter (34) is fixedly connected with the upper end surface of a supporting seat (33). The air bag ejector rod guide sleeve (38) is concentrically connected with the air bag support plate (39), and the lower end face of the air bag ejector rod guide sleeve (38) is superposed with the upper end face of the air bag support plate (39). The upper end surface of the air bag lifting mandrel (41) is concentrically connected with the lower end surface of the lifting stroke adjusting plug (40) and is concentrically connected with the air bag mandril guide sleeve (38). The upper end surface of the top connecting disc (42) is fixedly connected with the lower end surface of the air bag lifting mandrel (41). The upper end surface of the rubber air spring (44) is fastened and connected between the top connecting disk (42) and the rubber air spring pressing disk (43) by bolts, and the lower end surface of the rubber air spring (44) is fastened and connected between the rubber air spring pressing disk (43) and the rubber air spring bottom connecting disk (45) by bolts. The 6-minute short bent pipe (46) is concentrically connected with a rubber air spring bottom connecting disc (45), and the upper end surface of the 6-minute short bent pipe is superposed with the lower end surface of the rubber air spring bottom connecting disc (45). When the test bed is in a non-experimental and unloading state, the six-freedom-degree support platform (10) is likely to overturn under the action of gravity and load, and therefore, the support device is specially arranged.
Referring to fig. 16 and 17, the wheel clamp (9) mainly comprises a wheel stopper (47), a sweep movable rail wheel U-shaped stop wedge (48), a sweep movable rail (49), and a sweep movable rail wheel U-shaped stop (50). The lower end face of the sweep frequency movable rail wheel U-shaped baffle (50) is fixedly connected with the upper end face of the six-freedom-degree supporting platform (10) through bolts. When a tested piece is put in, the wheel stop plate (47) and the U-shaped inclined blocking iron (48) of the sweep frequency movable rail wheel can be adjusted to the position according with the size of the tested piece, and the distance between the two wheel clamps (9) can be adjusted to the position according with the wheel track of the tested piece.
The working principle of the double six-degree-of-freedom motion test platform of the railway vehicle bogie is as follows:
referring to fig. 1, according to the design characteristics of a double six-degree-of-freedom connecting rod actuator type driving platform of a railway vehicle, through four No. 2 horizontal action actuators (7), No. 1 actuator transverse motion platforms (11), No. 3 horizontal action actuators (8) and No. 2 actuator transverse motion platforms (12) arranged in the No. 1 six-degree-of-freedom connecting rod actuator type driving platform (1) or the No. 2 six-degree-of-freedom connecting rod actuator type driving platform (2) along the longitudinal direction (X), the No. 1 horizontal action actuators (6) and the actuator transverse support platforms (3) arranged along the transverse direction (Z) move in the same direction, so that the six-degree-of-freedom supporting platform (10) can move left and right along the X axis and the Z axis and rotate clockwise or anticlockwise around the Y axis; no. 1 vertical acting unit (13) and No. 2 vertical acting unit (14) that set up along vertical (Y) direction move simultaneously, can realize six degrees of freedom supporting platform (10) and reciprocate along the Y axle, around X axle and Z axle clockwise or anticlockwise rotation. The T-shaped groove can enable the actuator (6) to act horizontally No. 1, the actuator (7) to act horizontally No. 2, the actuator (8) to act horizontally No. 3, the vertical acting unit (13) of No. 1 and the vertical acting unit (14) of No. 2 to move, and different sizes of the tested piece are met. After moving to suitable position, through No. 1 horizontal effect actuator (6), No. 2 horizontal effect actuator (7), No. 3 horizontal effect actuator (8), No. 1 vertical effect unit (13) and No. 2 vertical effect unit (14) of bolt difference fastening, make it can not the shift position when the test, the test is more accurate. When the test is started, the rubber air spring (51) is deflated, so that the air bag lifting mandrel (48) descends, and the six-freedom-degree supporting platform (10) is released and can freely move; when the test is finished, the rubber air spring (44) is inflated through the 6-minute short bent pipe (53), so that the air bag lifting mandrel (41) is lifted to be in contact with the six-freedom-degree supporting platform (10), and the effect of balancing and stabilizing the six-freedom-degree supporting platform (10) is achieved.
The double six-degree-of-freedom connecting rod actuator type driving platform for the railway vehicle combines the rubber air spring with the double six-degree-of-freedom testing platform, realizes that a special person is not needed to balance and stabilize the testing platform after the test is finished, is simple to operate, and shortens the preparation time before and after the test.
Claims (6)
1. The utility model provides a two six degree of freedom connecting rod actuator formula drive platform of rail vehicle, includes 1, No. 2 six degree of freedom connecting rod actuator formula drive platform (1, 2), the horizontal supporting platform of actuator (3) and 1, No. 2 horizontal supporting platform (4, 5), its characterized in that:
the driving platforms (1, 2) of the No. 1 and No. 2 six-degree-of-freedom connecting rod actuator are identical in structure, symmetrically and parallelly installed on the horizontal supporting platforms (4, 5) of the No. 1 and No. 2, the horizontal supporting platforms (4, 5) of the No. 1 and No. 2 are identical in structure, symmetrically and parallelly installed on a foundation, and the installation distance between the driving platforms (1, 2) of the No. 1 and No. 2 six-degree-of-freedom connecting rod actuator is adjusted through T-shaped grooves formed in the horizontal supporting platform (4) of the No. 1 and the horizontal supporting platform (5) of the No. 2; the driving platform (1) comprises a No. 1 horizontal action actuator (6), a No. 2 horizontal action actuator (7), a No. 3 horizontal action actuator (8), a No. 1 vertical action unit (13), a No. 2 vertical action unit (14), a wheel clamp (9) and a six-degree-of-freedom supporting platform (10), wherein the No. 1, No. 2 and No. 3 horizontal action actuators (6, 7 and 8) are respectively and movably connected with the six-degree-of-freedom supporting platform (10) through connecting rods, the six-degree-of-freedom supporting platform (10) is respectively installed on the No. 1 and No. 2 horizontal supporting platforms (4 and 5) through the No. 1 and No. 2 vertical action units (13 and 14), and the wheel clamp (9) is installed on the upper surface of the six-degree-of-freedom supporting platform (10);
the air bag assembled type lifting devices (34, 35) 1 and 2 in the vertical action unit (13) 1 and the air bag assembled type lifting devices (34, 35) 1 and 2 in the vertical action unit 2 (14) have the same structure and consist of an air spring cover plate (36) and an air spring (37), the air spring (37) is arranged in the air spring cover plate (36), the air spring cover plate (36) is fixed on a supporting seat (33), a rubber air spring (44) of the air spring (37) is fixedly connected with a top connecting disk (42) and a rubber air spring pressing disk (43) through bolts, an air bag lifting mandrel (41) is concentrically connected with a lifting stroke adjusting plug (40) and the top connecting disk (42), a rubber air spring bottom connecting disk (45) is concentrically connected with a 6-minute short bent pipe (46), and the air bag lifting mandrel (41) rises along with the inflation of the rubber air spring (44), the air bag lifting mandrel (41) descends along with the air loss of the rubber air spring (44) and is released from the six-degree-of-freedom supporting platform (10).
2. The railway vehicle double six-degree-of-freedom link actuator type drive platform according to claim 1, wherein:
the No. 1, 2 and 3 horizontal action actuators (6, 7 and 8) have the same structure, are respectively arranged on the actuator transverse supporting platform (3) and the No. 1 and 2 actuator transverse moving platforms (11 and 12) and have adjustable installation positions, the No. 1 horizontal action actuator (6) is rotatably connected with the upper surface of the six-freedom-degree supporting platform (10) through a connecting rod and can adjust corresponding positions after the No. 1 six-freedom-degree connecting rod actuator type driving platform (1) moves, and the No. 2 and 3 horizontal action actuators (7 and 8) are respectively rotatably connected with the side surface of the six-freedom-degree supporting platform (10) through connecting rods; the wheel clamp (9) is arranged on the upper surface of the six-freedom-degree supporting platform (10), so that a tested piece can move along with the six-freedom-degree supporting platform (10) during testing.
3. The railway vehicle dual six degree-of-freedom link actuator drive platform of claim 2,
no. 1, 2, 3 horizontal action actuator (6, 7, 8) constitute by actuator and platform connecting rod (15), force cell sensor (16), guide rail strip (17), actuator and servo valve (18), piston rod guide rail hookup seat (19) and swing jar support frame (20), the actuator is installed with platform connecting rod (15), piston rod guide rail hookup seat (19), force cell sensor (16), actuator and servo valve (18) coaxial line, the actuator is connected with platform connecting rod (15) through piston rod guide rail hookup seat (19), force cell sensor (16) and actuator and servo valve (18), the actuator is fixed on swing jar support frame (20) with servo valve (18), piston rod guide rail hookup seat (19) are installed on swing jar support frame (20) through guide rail strip (17).
4. The railway vehicle dual six-degree-of-freedom link actuator type drive platform according to claim 3, wherein:
the actuator and platform connecting rod (15) consists of a connecting rod (23) and cross shaft end cover shaft sleeves (24) at two ends of the connecting rod (23), one end of the connecting rod (23) is rotatably connected with a piston rod guide rail connecting seat (19) through a cross shaft (25), and the other end of the connecting rod (23) is rotatably connected with the six-freedom-degree supporting platform (10) through an earring ball head, a ball sleeve (22) and a transverse connecting pin shaft (21); the actuator and the servo valve (18) are composed of an actuator (29) and a servo valve (28) fixed on the actuator (29); the piston rod guide rail connecting seat (19) consists of a guide rail sensor connecting seat (26), a cross axle end cover shaft sleeve (24) and a sliding block (27), wherein the cross axle end cover shaft sleeve (24) is arranged on the guide rail sensor connecting seat (26); the sliding block (27) is in sliding fit with the guide rail strip (17).
5. A two six degree of freedom link actuator drive platform for a railway vehicle as claimed in claim 1 or claim 2 wherein:
the No. 1 and No. 2 vertical action units (13 and 14) have the same structure and are symmetrically arranged, and consist of a longitudinal actuator connecting rod (30), a longitudinal piston rod guide rail connecting seat and a guide rail (31), a longitudinal actuator and servo valve (32), a supporting seat (33) and No. 1 and No. 2 air bag assembled lifters (34 and 35), the longitudinal actuator and the servo valve (32) are fixed on the bottom surface of the supporting seat (33), the longitudinal piston rod guide rail connecting seat and the guide rail (31) are concentrically connected with the longitudinal actuator and the servo valve (32), the guide rails of the longitudinal piston rod guide rail connecting seat and the guide rail (31) are fixed on the back plate of the supporting seat (33), the longitudinal actuator connecting rod (30) is concentrically and fixedly connected with the longitudinal piston rod guide rail connecting seat and the guide rail (31), the No. 1 and No. 2 air bag assembled lifters (34 and 35) are fixedly arranged on the supporting seat (33).
6. The railway vehicle dual six-degree-of-freedom link actuator type drive platform according to claim 5, wherein:
wheel anchor clamps (9) between distance adjustable, keep off wedge (48), frequency sweep movable rail (49) and frequency sweep movable rail wheel U type by wheel backstop board (47), frequency sweep movable rail wheel U type and keep off (50) and constitute, frequency sweep movable rail wheel U type keeps off wedge (48) and frequency sweep movable rail (49) and fixes on frequency sweep movable rail wheel U type keeps off (50), wheel backstop board (47) and frequency sweep movable rail wheel U type keep off (50) and pass through bolt fixed connection on six degrees of freedom supporting platform (10), wheel backstop board (47) and frequency sweep movable rail wheel U type keep off the mounted position of wedge (48) adjustable.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018100374830 | 2018-01-16 | ||
| CN201810037483 | 2018-01-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108344589A CN108344589A (en) | 2018-07-31 |
| CN108344589B true CN108344589B (en) | 2020-01-14 |
Family
ID=62956057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810365024.5A Expired - Fee Related CN108344589B (en) | 2018-01-16 | 2018-04-23 | Double six-degree-of-freedom connecting rod actuator type driving platform for railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108344589B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608898A (en) * | 2019-10-10 | 2019-12-24 | 中国汽车技术研究中心有限公司 | Simple test bed for decomposing open-close energy contribution of rotary side door |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101750195B (en) * | 2009-12-25 | 2012-06-27 | 吉林大学 | Double six degree-of-freedom motion testing platform for railway vehicle bogie |
| US8453512B2 (en) * | 2010-06-17 | 2013-06-04 | The Aerospace Corporation | High-frequency, hexapod six degree-of-freedom shaker |
| CN104006940A (en) * | 2014-05-30 | 2014-08-27 | 长春轨道客车股份有限公司 | Device and method for testing vibration characteristics of railway vehicle |
| CN104215465B (en) * | 2014-08-07 | 2017-02-22 | 中国矿业大学 | Coupling simulation system and method used for vibrating and loading bogie assembly with multi-degree of freedom |
| CN208155612U (en) * | 2018-01-16 | 2018-11-27 | 吉林大学 | Rail vehicle double six degree-of-freedom connecting rod actuator formula drives platform |
-
2018
- 2018-04-23 CN CN201810365024.5A patent/CN108344589B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN108344589A (en) | 2018-07-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8230730B2 (en) | Comprehensive test bed for vehicle body | |
| CN102323154B (en) | High pressure true triaxial test system | |
| CN107748070B (en) | New-energy automobile chassis load testing device | |
| CN106365019A (en) | Intelligent shock absorption system of elevator car | |
| CN108344589B (en) | Double six-degree-of-freedom connecting rod actuator type driving platform for railway vehicle | |
| CN111366386A (en) | Test bed of synchronous orbital transfer double-roller supporting wheel set test assembly system | |
| CN109612749A (en) | A kind of suspension type single-track vehicle rolling vibration testing device | |
| CN114754950A (en) | Air bag type floating loading mechanism | |
| CN112179685B (en) | Synchronous track changing device for routine test of track gauge wheel set | |
| CN208155612U (en) | Rail vehicle double six degree-of-freedom connecting rod actuator formula drives platform | |
| CN202547922U (en) | Lifting device for test bench of traction transmission system of high-speed train frame suspension type bogie | |
| EA028068B1 (en) | Gas actuated retarder system for railway car | |
| KR100523567B1 (en) | Horizontal Load Tester for Air Spring | |
| CN111397923B (en) | New energy automobile tire performance detecting system | |
| CN114623992A (en) | Leaf spring loading test bench | |
| CN209166848U (en) | Horizontal jack test device | |
| CN208043365U (en) | Rail vehicle double six degree-of-freedom motion testing platform | |
| CN108801664B (en) | Reduced scale wheel rail rolling test stand | |
| CN108387353B (en) | Double six-degree-of-freedom motion test platform for railway vehicle | |
| CN102661862B (en) | Test bench lifting device for traction transmission system of high-speed train suspension bogie | |
| CN217716968U (en) | Automotive suspension positioning detection table | |
| CN215115191U (en) | Be applicable to subway bogie normal position detection device | |
| CN219641203U (en) | Vertical impact response spectrum test equipment | |
| CN213252965U (en) | Air bag driven roller coaster braking system | |
| CN211893632U (en) | Electric power inspection unmanned aerial vehicle with buffer function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |