CN108344589A - Rail vehicle double six degree-of-freedom connecting rod actuator formula drives platform - Google Patents
Rail vehicle double six degree-of-freedom connecting rod actuator formula drives platform Download PDFInfo
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- CN108344589A CN108344589A CN201810365024.5A CN201810365024A CN108344589A CN 108344589 A CN108344589 A CN 108344589A CN 201810365024 A CN201810365024 A CN 201810365024A CN 108344589 A CN108344589 A CN 108344589A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
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Abstract
The present invention relates to a kind of rail vehicle detection devices, more particularly, it relates to which a kind of rail vehicle double six degree-of-freedom connecting rod actuator formula drives platform.Including 1, No. 2 six degree of freedom connecting rod actuator formulas drive platform, actuator lateral support platforms and 1, No. 2 lateral support platforms, each six degree of freedom connecting rod actuator formula drives platform by three numbers horizontal force actuator, two vertical action cells and six degree of freedom support platform composition, three horizontal force actuator are flexibly connected by connecting rod with six degree of freedom support platform respectively, the six degree of freedom support platform passes through 1, No. 2 vertical action cells are separately mounted to 1, on No. 2 lateral support platforms, six degree of freedom support platform upper surface is equipped with fixture wheel.Rubber air spring is combined by the present invention with double six degree-of-freedom test platform, and specific people's balance and stability test platform is not needed after realizing test, easy to operate, shortens test front and back time.
Description
Technical field
The present invention relates to a kind of rail vehicle detection devices, more particularly, it relates to a kind of rail vehicle double six
Degree of freedom connecting rod actuator formula drives platform.
Background technology
Currently, China express railway cause is in the rapid development stage, with the speed of service and carrying capacity of train
It improves, as the rail vehicle for directly carrying passenger, safety has prodigious influence to passenger.Especially in high-speed railway
In, because the smooth-going state of rail vehicle circuit is different, the key position of rail vehicle, unique walking mechanism of vehicle：It turns to
Frame, it plays a part of supporting car body, steering and braking, influences rail vehicle operational safety, steady, efficient key factor,
Its state directly affects the operating status of vehicle.
At this stage, most rail vehicle test platform needs specific people to go balance steady after test both at home and abroad
Determine test platform, this mode is complicated for operation, spends the time long, cannot meet the needs of current track bogie of car detection.
Invention content
The present invention provides a kind of double six degree-of-freedom for existing double six degree-of-freedom test platform problem complicated for operation
Connecting rod actuator formula drives platform.
In order to solve the above technical problems, the present invention adopts the following technical scheme that realization, ordered in conjunction with attached drawing water as follows：
A kind of rail vehicle double six degree-of-freedom connecting rod actuator formula driving platform, including 1, No. 2 six degree of freedom connecting rod start
Device formula drives 4,5, described 1, No. 2 platform 1,2, actuator lateral support platforms 3 and 1, No. 2 lateral support platforms six degree of freedom to connect
Bar actuator formula drives platform 1,2 structures identical, symmetrically and is installed in parallel on 1, No. 2 lateral support platforms 4,5, described 1,2
Number lateral support platforms 4,5 structures are identical, symmetrical and be installed in parallel on ground, and 1, No. 2 six degree of freedom connecting rod is made
What the mounting distance between dynamic device formula driving platform 1,2 was equipped with by No. 1 lateral support platforms 4 and No. 2 lateral support platforms 5
T-slot adjusts；No. 1 six degree of freedom connecting rod actuator formula driving platform 1 by 1,2, No. 3 horizontal force actuator 6,7,8,1,
No. 2 vertical action cells 13,14, fixture wheel 9 and six degree of freedom support platform 10 form, and described 1,2, No. 3 horizontal force is made
Dynamic device 6,7,8 is flexibly connected by connecting rod with six degree of freedom support platform 10 respectively, and the six degree of freedom support platform 10 passes through
1, No. 2 vertical action cells 13,14 are separately mounted on 1, No. 2 lateral support platforms 4,5, and fixture wheel (9) is mounted on six certainly
By degree support platform (10) upper surface.
Described 1,2, No. 36,7,8 structure of horizontal force actuator is identical, is separately mounted to actuator lateral support platforms 3
With on 1, No. 2 actuator transverse movement platform 11,12 and installation site is adjustable, No. 1 horizontal force actuator 6 passes through connecting rod
It is rotatablely connected, and can be moved in No. 1 six degree of freedom connecting rod actuator formula driving platform 1 with the upper surface of six degree of freedom support platform 10
Adjust corresponding position after dynamic, described 2, No. 3 horizontal force actuator 7,8 by connecting rod respectively with six degree of freedom support platform 10
Side rotation connection；The fixture wheel 9 is mounted on the upper surface of six degree of freedom support platform 10, makes measured piece in test
Six degree of freedom support platform 10 is followed to move together.
1,2, No. 3 horizontal force actuator 6,7,8 by actuator and platform connecting rod 15, load cell 16,
Guide rail bar 17, actuator and servo valve 18, piston rod guide connection seat 19 and oscillating cylinder supporting rack 20 form, the actuator with
Platform connecting rod 15, piston rod guide connection seat 19, load cell 16, actuator and 18 coaxial line of servo valve are installed, the work
Dynamic device is connect by piston rod guide connection seat 19 and load cell 16 with actuator with servo valve 18 with platform connecting rod 15, institute
It states actuator to be fixed on oscillating cylinder supporting rack 20 with servo valve 18, the piston rod guide connection seat 19 is pacified by guide rail bar 17
On oscillating cylinder supporting rack 20.
The actuator is made of with platform connecting rod 15 the cross axle end cover axle sleeve 24 of connecting rod 23,23 both ends of connecting rod, connecting rod
23 one end are rotatablely connected by cross axle 25 and piston rod guide connection seat 19, and 23 other end of connecting rod passes through earrings bulb and ball
Set 22 and lateral connecting link pin 21 are rotatablely connected with six degree of freedom support platform 10；The actuator is with servo valve 18 by actuator
29 form with the servo valve 28 being fixed in actuator 29；The piston rod guide connection seat 19 is by rail sensors connection seat
26, the cross axle end cover axle sleeve 24 on rail sensors connection seat 26 and sliding block 27 form；The sliding block 27 and guide rail
Item 17 is slidably matched.
1, No. 2 vertical action cell 13,14 structures are identical and are arranged symmetrically, by longitudinal actuator connecting rod 30, vertical
It is lifted to piston rod guide connection seat and guide rail 31, longitudinal actuator and servo valve 32, support base 33 and 1, No. 2 air bag assembly type
Device 34,35 forms, and the longitudinal direction actuator is fixed on the bottom surface of support base 33, the longitudinal direction piston rod guide connection with servo valve 32
Joint chair and guide rail 31 and longitudinal actuator with servo valve 32 is concentric connect, the guide rail of longitudinal piston rod guide connection seat and guide rail 31
It is fixed on 33 backboard of support base, the longitudinal direction actuator connecting rod 30 and longitudinal piston rod guide connection seat and guide rail 31 are concentric solid
Fixed connection, described 1, No. 2 air bag assembly type lifting jack 34,35 are fixed on the upper surface of support base 33 mounted on guide rail.
Described 1, No. 2 air bag assembly type lifting jack 34,35 structures are identical, by 37 groups of air spring cover board 36 and air spring
At the air spring 37 is in air spring cover board 36, and air spring cover board 36 is fixed on support base 33, the air
It is bolted connection between the rubber air spring 44 and top attachment disk 42 and rubber air spring compression plate 43 of spring 37,
Air bag lifts that the adjustment of mandrel 41 and lifting travel fills in 40 and top attachment disk 42 is concentric connect, rubber air spring bottom tie-plate
45 are connected with 6 points of short bend pipes 46 with one heart, the air bag lifting mandrel 41 with rubber air spring 44 inflate or lose gas rise or
Decline, contacts or decontrol with six degree of freedom support platform 10.
The distance between the fixture wheel 9 is adjustable, by wheel baffle plate 47, the U-shaped gear wedge of frequency sweep active rail wheel
48, frequency sweep active rail 49 and U-shaped 50 composition of gear of frequency sweep active rail wheel, the U-shaped gear wedge of the frequency sweep active rail wheel 48 with sweep
Frequency active rail 49 be fixed on frequency sweep active rail wheel it is U-shaped gear 50 on, the wheel baffle plate 47 and the U-shaped gear of frequency sweep active rail wheel
50 are bolted to connection in six degree of freedom support platform 10, and the wheel baffle plate 47 and frequency sweep active rail wheel are U-shaped
The installation site for keeping off wedge 48 is adjustable.
Compared with prior art the beneficial effects of the invention are as follows：
Rail vehicle double six degree-of-freedom connecting rod actuator formula of the present invention drives platform, by rubber air spring with it is double
Six degree of freedom test platform is combined, and specific people's balance and stability test platform, operation letter are not needed after realizing test
It is single, shorten test front and back time.
Description of the drawings
Fig. 1 is the shaft side projection drawing of double six degree-of-freedom connecting rod actuator formula driving platform of the present invention
Fig. 2 is the axonometric projection graph of actuator lateral support platforms of the present invention
Fig. 3 is the axonometric projection graph of No. 1 lateral support platforms of the present invention
Fig. 4 is the shaft side projection drawing of No. 1 six degree of freedom connecting rod actuator formula driving platform of the present invention
Fig. 5 is the explosive view of horizontal force actuator of the present invention
Fig. 6 is the axonometric projection graph of affector of the present invention and platform connecting rod assembly
Fig. 7 is the explosive view of piston rod guide connection seat of the present invention
Fig. 8 is the axonometric projection graph of actuator of the present invention and servo valve
Fig. 9 is the axonometric projection graph of No. 1 vertical action cell of the present invention
Figure 10 is the axonometric projection graph of support base of the present invention
Axonometric projection graph when Figure 11 is No. 1 air bag assembly type lifting jack inflation of the present invention
Figure 12 is axonometric projection graph when No. 1 air bag assembly type lifting jack of the present invention loses gas
Figure 13 is the enlarged drawing of air spring cover board of the present invention
Figure 14 is the explosive view of air spring of the present invention
Figure 15 is the axonometric projection graph of six degree of freedom support platform of the present invention
Figure 16 is the axonometric projection graph of fixture wheel of the present invention
Shaft side projection drawing when Figure 17 is fixture wheel installation measured piece of the present invention
In figure：No. 1.1 six degree of freedom connecting rod actuator formulas drive platform, No. 2.2 six degree of freedom connecting rod actuator formula drivings
Platform, 3. actuator lateral support platforms, No. 4.1 lateral support platforms, No. 5.2 lateral support platforms, No. 6.1 horizontal forces are made
Dynamic device, No. 7.2 horizontal force actuator, No. 8.3 horizontal force actuator, 9. fixture wheels, 10. six degree of freedom support platforms,
No. 11.1 actuator transverse movement platforms, No. 12.2 actuator transverse movement platforms, No. 13.1 vertical action cells, No. 14.2 hang down
To action cell, 15. actuator and platform connecting rod, 16. load cells, 17. guide rail bars, 18. actuator and servo valve, 19.
Piston rod guide connection seat, 20. oscillating cylinder supporting racks, 21. lateral connecting link pins, 22. earrings bulbs and ball cover, 23. connecting rods,
24. cross axle end cover axle sleeve, 25. cross axles, 26. rail sensors connection seats, 27, sliding block, 28. servo valves, 29. actuator,
30. longitudinal actuator connecting rod, 31. longitudinal piston rod guide connection seats and guide rail, 32. longitudinal actuator and servo valve, 33. supports
Seat, No. 34.1 air bag assembly type lifting jacks, No. 35.2 air bag assembly type lifting jacks, 36. air spring cover boards, 37. air springs,
38. air bag mandril guide sleeve, 39. bladder support plates, 40. lifting travels adjustment plug, 41. air bags lift mandrel, 42. top attachments
Disk, 43. rubber air spring compression plates, 44. rubber air springs, 45. rubber air spring bottom tie-plates, 46.6 points short curved
Pipe, 47. wheel baffle plates, the 48. U-shaped gear wedges of frequency sweep active rail wheel, 49. frequency sweep active rails, 50. frequency sweep active rail wheel U
Type is kept off, 51. measured pieces
Specific implementation mode
The particular content of the present invention is described in further detail below in conjunction with the accompanying drawings, but the present invention cannot be limited with this
Range all still belong to the range that covers of the present invention even if the equivalent changes and modifications that the scope of the claims under this invention is done.
Refering to fig. 1, Fig. 2, Fig. 3, rail vehicle double six degree-of-freedom connecting rod actuator formula of the present invention drive platform by 1
Number six degree of freedom connecting rod actuator formula driving platform (1), No. 2 six degree of freedom connecting rod actuator formulas driving platforms (2), actuator are horizontal
To support platform (3), No. 1 lateral support platforms (4) and No. 2 lateral support platforms (5) compositions.No. 1 lateral support platforms (4) and
No. 2 lateral support platforms (5) are symmetrically mounted on ground, and parallel distance between the two is 20m, and No. 1 six degree of freedom connecting rod is made
The long side of dynamic device formula driving platform (1) is parallel with the long side of No. 2 six degree of freedom connecting rod actuator formula driving platforms (2), with No. 1 cross
Long side to support platform (4) and No. 2 lateral support platforms (5) is vertical, is symmetrically mounted on No. 1 lateral support platforms (4) and No. 2
The both ends of lateral support platforms (5).No. 1 six degree of freedom connecting rod actuator formula driving platform (1) and No. 2 six degree of freedom connecting rod starts
Device formula drives platform (2) structure identical, and the T-slot on No. 1 lateral support platforms (4) and No. 2 lateral support platforms (5) can make 1
Number six degree of freedom connecting rod actuator formula driving platform (1) and No. 2 six degree of freedom connecting rod actuator formulas driving platform (2) free skatings
It is dynamic, it is flat so as to adjust No. 1 six degree of freedom connecting rod actuator formula driving platform (1) and No. 2 six degree of freedom connecting rod actuator formula drivings
The distance between platform (2) makes it preferably coordinate the size of measured piece, keeps test more acurrate.
Refering to Fig. 4, Figure 15, described No. 1 six degree of freedom connecting rod actuator formula driving platform (1) or No. 2 six degree of freedoms connect
Bar actuator formula drives platform (2) all by No. 1 horizontal force actuator (6), No. 2 horizontal force actuator (7), No. 3 horizontal works
With actuator (8), fixture wheel (9), six degree of freedom support platform (10), No. 1 actuator transverse movement platform (11), No. 2 works
Dynamic device transverse movement platform (12), No. 1 vertical action cell (13), No. 2 vertical action cell (14) composition.Wherein：No. 1 level
Effect actuator (6), No. 2 horizontal force actuator (7) are identical with No. 3 horizontal force actuator (8) structures, No. 2 actuator cross
To cooperation and No. 2 horizontal force actuator (7) and No. 1 start between motion platform (12) and No. 3 horizontal force actuator (8)
Cooperation between device transverse movement platform (11) is identical.No. 1 vertical action cell (13) and No. 2 vertical action cell (14) are respectively
It is fastenedly connected with the T-slot of No. 1 lateral support platforms (4) and No. 2 lateral support platforms (5), with six degree of freedom support platform
(10) it connects.T-slot can make No. 1 horizontal force actuator (6), No. 2 horizontal force actuator (7), No. 3 horizontal forces
Actuator (8), No. 1 vertical action cell (13) and No. 2 vertical action cell (14) are mobile, meet the different sizes of measured piece.
After being moved to suitable position, No. 1 horizontal force actuator (6), No. 2 horizontal force actuator (7), 3 are fastened respectively by bolt
Number horizontal force actuator (8), No. 1 vertical action cell (13) and No. 2 vertical action cell (14) make it will not in test
Shift position, test are more acurrate.Fixture wheel (9) is with the plane of symmetry in direction (X) along longitudinal direction of six degree of freedom support platform (10)
Centered on face, be fixed in six degree of freedom support platform (10), make measured piece test when follow six degree of freedom support platform
(10) it moves together.No. 1 horizontal force actuator (6) transversely place by the direction (Z), front end and six degree of freedom support platform (10)
Short side where face rotation connection；No. 2 horizontal force actuator (7) and No. 3 horizontal force actuator (8) direction (X) along longitudinal direction
Horizontal positioned, front end is rotatablely connected with face where the long side of six degree of freedom support platform (10)；Make three that can be realized in test
Six-freedom motion.The lower face of No. 2 horizontal force actuator (7) and the T-slot of No. 1 actuator transverse movement platform (11) are tight
It is solidly connected, the plane of symmetry in the two direction (Z) along longitudinal direction is coplanar, makes the position of No. 2 horizontal force actuator (7) will not in test
It is mobile.
Refering to Fig. 5, Fig. 6, Fig. 7, Fig. 8, described No. 1 horizontal force actuator (6), No. 2 horizontal force actuator (7) and
No. 3 horizontal force actuator (8) are all by actuator and platform connecting rod (15), load cell (16), guide rail bar (17), actuator
It is formed with servo valve (18), piston rod guide connection seat (19), oscillating cylinder supporting rack (20)；The actuator and platform connecting rod
(15) mainly by lateral connecting link pin (21), earrings bulb and ball cover (22), connecting rod (23), cross axle end cover axle sleeve (24) and ten
Word axis (25) forms；The actuator is mainly made of servo valve (28) and actuator (29) with servo valve (18), servo valve
(28) it is fixed in actuator (29)；The piston rod guide connection seat (19) mainly by cross axle end cover axle sleeve (24), lead
Rail sensor connection seat (26) and sliding block (27) composition.Actuator and the lateral connecting link pin (21) and ear in platform connecting rod (15)
Global head and ball cover (22) are tight fit and axis collinear, are clearance fit between earrings bulb and ball cover, pass through the ten of tail end
Word axis (25) is connected with cross axle end cover axle sleeve (24) end face in piston rod guide connection seat (19), passes through the cross of front end
It is rotatablely connected the rotation so that it can three degree of freedom to connecting link pin (21) and six degree of freedom support platform (10), avoids height
Aggravate actuator abrasion when frequency exciting, eliminates the cross force that actuator may receive.The lower end of piston rod guide connection seat (19)
Face is overlapped with guide rail bar (17) upper surface, and the plane of symmetry in the two transversely direction (X) is coplanar, wherein rail sensors connection seat
(26) it is fixedly connected with sliding block (27), keeps sliding block (27) free to slide in guide rail bar (17).Piston rod guide connection seat
(19) rear end face is fixedly connected with the front end face of load cell (16), and axis collinear.In actuator and servo valve (18)
Actuator (29) piston rod front end with load cell (16) is concentric connect, the upper end of lower face and oscillating cylinder supporting rack (20)
Face is fixedly connected.The lower face of servo valve (28) is fixedly connected with the upper surface of actuator (29).Actuator and platform connecting rod
(15) the axis of symmetry, the axis of symmetry of piston rod guide connection seat (19), the axis of symmetry of load cell (16), actuator
It is conllinear with the axis of symmetry of servo valve (18).
Refering to Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14, described No. 1 vertical action cell (13) or No. 2 vertical works
With unit (14) all by longitudinal actuator connecting rod (30), longitudinal piston rod guide connection seat and guide rail (31), longitudinal actuator with
Servo valve (32), support base (33), No. 1 air bag assembly type lifting jack (34), No. 2 air bag assembly type lifting jack (35) compositions；No. 1
Air bag assembly type lifting jack (34) or No. 2 air bag assembly type lifting jacks (35) are mainly by air spring cover board (36) and air spring
(37) it forms；Air spring cover board (36) is mainly made of air bag mandril guide sleeve (38) and air bag support plate (39)；Air bullet
Spring (37) mainly adjusts plug (40), air bag lifting mandrel (41), top attachment disk (42), rubber air spring pressure by lifting travel
Tight disk (43), rubber air spring (44), rubber air spring bottom tie-plate (45), 6 points short bend pipe (46) composition.Support base
(33) based on, longitudinal actuator is fixedly connected with the lower face of servo valve (32) with the upper surface of support base (33) lower end, is indulged
To piston rod guide connection seat and guide rail (31) and longitudinal actuator with servo valve (32) is concentric connect, the rear surface of guide rail and with
The front surface of the rear end of support base (33) is fixedly connected.It longitudinal actuator connecting rod (30) and longitudinal piston rod guide connection seat and leads
Rail (31) is fixedly connected with one heart.
The upper end of the lower face and support base (33) of air spring cover board (36) in No. 1 air bag assembly type lifting jack (34)
Face is fixedly connected.Air bag mandril guide sleeve (38) with bladder support plate (39) is concentric connect, under air bag mandril guide sleeve (38)
End face is overlapped with the upper surface of bladder support plate (39).Air bag lifts upper surface and the lifting travel adjustment plug (40) of mandrel (41)
Lower face connect with one heart, and air bag mandril guide sleeve (38) is concentric connect.It is lifted with air bag the upper surface of top attachment disk (42)
The lower face for rising mandrel (41) is fixedly connected.The upper surface of rubber air spring (44) is in top attachment disk (42) and rubber air
Spring compression disk is bolted connection between (43), and lower face is in rubber air spring compression plate (43) and rubber air spring
Bottom tie-plate is bolted connection between (45).6 points short bend pipe (46) is same with rubber air spring bottom tie-plate (45)
The heart connects, and upper surface is overlapped with the lower face of rubber air spring bottom tie-plate (45).When testing stand is in non-experiment and unloads
Under lotus state, six degree of freedom support platform (10) is likely to occur under the action of gravity and load topples, therefore, ad hoc support
Device.
Refering to fig. 16,17, the fixture wheel (9) is mainly by wheel baffle plate (47), the U-shaped gear of frequency sweep active rail wheel
U-shaped gear (50) composition of wedge (48), frequency sweep active rail (49), frequency sweep active rail wheel.The U-shaped gear (50) of frequency sweep active rail wheel
The upper surface of lower face and six degree of freedom support platform (10) is bolted to connection.When being put into measured piece, wheel backstop
Plate (47) and the U-shaped gear wedge (48) of frequency sweep active rail wheel can be adjusted to the position for the size for meeting measured piece, two wheel folders
The distance between tool (9) may be adjusted to the position for the wheelspan for meeting measured piece.
The operation principle of double six degree-of-freedom motion testing platform for railway vehicle bogie：
Refering to fig. 1, the design feature that platform is driven according to rail vehicle double six degree-of-freedom connecting rod actuator formula, passes through No. 1
Six degree of freedom connecting rod actuator formula drive in platform (1) or No. 2 six degree of freedom connecting rod actuator formulas driving platforms (2) four along vertical
To No. 2 horizontal force actuator (7), No. 1 actuator transverse movement platform (11), No. 3 horizontal force starts of the direction (X) setting
Device (8) and No. 2 actuator transverse movement platforms (12), No. 1 horizontal force actuator (6) that transversely direction (Z) is arranged and work
Dynamic device lateral support platforms (3) in the same direction movement, it can be achieved that six degree of freedom support platform (10) moving left and right along X-axis and Z axis, around
Y-axis rotates clockwise or counterclockwise；Vertically No. 1 vertical action cell (13) of the direction (Y) setting and No. 2 vertical action cells
(14) while movement is, it can be achieved that six degree of freedom support platform (10) moving up and down along Y-axis, clockwise or the inverse time around X-axis and Z axis
Needle rotates.T-slot can make No. 1 horizontal force actuator (6), No. 2 horizontal force actuator (7), No. 3 horizontal force actuator
(8), No. 1 vertical action cell (13) and No. 2 vertical action cell (14) are mobile, meet the different sizes of measured piece.It is moved to
After suitable position, No. 1 horizontal force actuator (6), No. 2 horizontal force actuator (7), No. 3 levels are fastened respectively by bolt
Actuator (8), No. 1 vertical action cell (13) and No. 2 vertical action cell (14) are acted on, it is made not move position in test
It sets, test is more acurrate.At the beginning of test, rubber air spring (51) loses gas, so that air bag is lifted mandrel (48) and declines, puts
Six degree of freedom support platform (10) is opened, it is made to can be freely moved；When testing end, rubber is given by 6 points short bend pipe (53)
Glue air spring (44) is inflated, and so that air bag is lifted mandrel (41) and is risen, is contacted with six degree of freedom support platform (10), reach balance
Stablize the effect of six degree of freedom support platform (10).
Rail vehicle double six degree-of-freedom connecting rod actuator formula of the present invention driving platform by rubber air spring with it is double
Six degree of freedom test platform is combined, and specific people's balance and stability test platform, operation letter are not needed after realizing test
It is single, shorten test front and back time.
Claims (7)
1. a kind of rail vehicle double six degree-of-freedom connecting rod actuator formula drives platform, including 1, No. 2 six degree of freedom connecting rod actuator
Formula drives platform (1,2), actuator lateral support platforms (3) and 1, No. 2 lateral support platforms (4,5), it is characterised in that：
Described 1, No. 2 six degree of freedom connecting rod actuator formula driving platform (1,2) structure is identical, symmetrically and is installed in parallel in 1, No. 2
On lateral support platforms (4,5), described 1, No. 2 lateral support platforms (4,5) structure is identical, symmetrically and is installed in parallel in ground
On, the mounting distance between 1, No. 2 six degree of freedom connecting rod actuator formula driving platform (1,2) is laterally propped up by No. 1
The T-slot adjustment that support platform (4) and No. 2 lateral support platforms (5) are equipped with；No. 1 six degree of freedom connecting rod actuator formula is driven
Moving platform (1) is by 1,2, No. 3 horizontal force actuator (6,7,8), 1, No. 2 vertical action cell (13,14), fixture wheel (9)
With six degree of freedom support platform (10) form, described 1,2, No. 3 horizontal force actuator (6,7,8) respectively by connecting rod with six oneself
It is flexibly connected by degree support platform (10), the six degree of freedom support platform (10) passes through 1, No. 2 vertical action cell (13,14)
It is separately mounted on 1, No. 2 lateral support platforms (4,5), fixture wheel (9) is mounted on six degree of freedom support platform (10) upper table
Face.
2. rail vehicle double six degree-of-freedom connecting rod actuator formula described in accordance with the claim 1 drives platform, it is characterised in that：
Described 1,2, No. 3 horizontal force actuator (6,7,8) structure is identical, is separately mounted to actuator lateral support platforms (3)
With on 1, No. 2 actuator transverse movement platform (11,12) and installation site is adjustable, No. 1 horizontal force actuator (6) passes through
Connecting rod and the upper surface of six degree of freedom support platform (10) are rotatablely connected, and can be driven in No. 1 six degree of freedom connecting rod actuator formula
Corresponding position is adjusted after platform (1) is mobile, described 2, No. 3 horizontal force actuator (7,8) are free with six respectively by connecting rod
Spend the side rotation connection of support platform (10)；The fixture wheel (9) is mounted on the upper table of six degree of freedom support platform (10)
Face makes measured piece follow six degree of freedom support platform (10) to move together in test.
3. rail vehicle double six degree-of-freedom connecting rod actuator formula drives platform according to claim 2, which is characterized in that
1,2, No. 3 horizontal force actuator (6,7,8) is by actuator and platform connecting rod (15), load cell
(16), guide rail bar (17), actuator and servo valve (18), piston rod guide connection seat (19) and oscillating cylinder supporting rack (20) group
At the actuator and platform connecting rod (15), piston rod guide connection seat (19), load cell (16), actuator and servo
Valve (18) coaxial line is installed, and the actuator passes through piston rod guide connection seat (19) and load cell with platform connecting rod (15)
(16) it being connect with actuator with servo valve (18), the actuator is fixed on servo valve (18) on oscillating cylinder supporting rack (20),
The piston rod guide connection seat (19) is mounted on by guide rail bar (17) on oscillating cylinder supporting rack (20).
4. rail vehicle double six degree-of-freedom connecting rod actuator formula described in accordance with the claim 3 drives platform, it is characterised in that：
The actuator is made of with platform connecting rod (15) the cross axle end cover axle sleeve (24) of connecting rod (23), connecting rod (23) both ends,
Connecting rod (23) one end is rotatablely connected by cross axle (25) and piston rod guide connection seat (19), and connecting rod (23) other end passes through
Earrings bulb and ball cover (22) and lateral connecting link pin (21) are rotatablely connected with six degree of freedom support platform (10)；The actuator
It is made of actuator (29) and the servo valve (28) being fixed in actuator (29) with servo valve (18)；The piston rod guide connection
Joint chair (19) is by rail sensors connection seat (26), the cross axle end cover axle sleeve being mounted on rail sensors connection seat (26)
(24) it is formed with sliding block (27)；The sliding block (27) is slidably matched with guide rail bar (17).
5. driving platform, feature to exist according to rail vehicle double six degree-of-freedom connecting rod actuator formula as claimed in claim 1 or 2
In：
Structure is identical and is arranged symmetrically for 1, No. 2 vertical action cell (13,14), by longitudinal actuator connecting rod (30), indulges
It is assembled to piston rod guide connection seat and guide rail (31), longitudinal actuator and servo valve (32), support base (33) and 1, No. 2 air bag
Formula lifting jack (34,35) forms, and the longitudinal direction actuator is fixed on the bottom surface of support base (33), the longitudinal direction with servo valve (32)
Piston rod guide connection seat and guide rail (31) and longitudinal actuator with servo valve (32) is concentric connect, longitudinal piston rod guide couples
The guide rail of seat and guide rail (31) is fixed on support base (33) backboard, and the longitudinal direction actuator connecting rod (30) is led with longitudinal piston rod
Rail coupling seat and guide rail (31) are fixedly connected with one heart, and described 1, No. 2 air bag assembly type lifting jack (34,35) is fixed mounted on guide rail
In the upper surface of support base (33).
6. rail vehicle double six degree-of-freedom connecting rod actuator formula drives platform according to claim 5, which is characterized in that
Described 1, No. 2 air bag assembly type lifting jack (34,35) structure is identical, by air spring cover board (36) and air spring (37)
Composition, for the air spring (37) in air spring cover board (36), air spring cover board (36) is fixed on support base (33)
On, rubber air spring (44) and top attachment disk (42) and the rubber air spring compression plate (43) of the air spring (37)
Between be bolted connection, air bag lifting mandrel (41) fills in (40) with lifting travel adjustment and top attachment disk (42) is concentric connects
Connect, rubber air spring bottom tie-plate (45) is connected with 6 points short bend pipe (46) with one heart, the air bag lifting mandrel (41) with
Rubber air spring (44) is inflated or is lost gas and rises or falls, and contacts or decontrols with six degree of freedom support platform (10).
7. driving platform, feature to exist according to rail vehicle double six degree-of-freedom connecting rod actuator formula as claimed in claim 1 or 2
In：
The distance between the fixture wheel (9) is adjustable, by wheel baffle plate (47), the U-shaped gear wedge of frequency sweep active rail wheel
(48), frequency sweep active rail (49) and U-shaped gear (50) composition of frequency sweep active rail wheel, the U-shaped gear wedge of frequency sweep active rail wheel
(48) it is fixed on the U-shaped gear (50) of frequency sweep active rail wheel with frequency sweep active rail (49), the wheel baffle plate (47) and frequency sweep
The U-shaped gear (50) of active rail wheel is bolted to connection in six degree of freedom support platform (10), the wheel baffle plate
(47) and the installation site of the U-shaped gear wedge (48) of frequency sweep active rail wheel is 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 true CN108344589A (en) | 2018-07-31 |
| CN108344589B CN108344589B (en) | 2020-01-14 |
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| 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 |
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| Country | Link |
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| CN (1) | CN108344589B (en) |
Cited By (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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101750195A (en) * | 2009-12-25 | 2010-06-23 | 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 |
| CN104215465A (en) * | 2014-08-07 | 2014-12-17 | 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
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101750195A (en) * | 2009-12-25 | 2010-06-23 | 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 |
| CN104215465A (en) * | 2014-08-07 | 2014-12-17 | 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 |
Cited By (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108344589B (en) | 2020-01-14 |
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