CN208043365U - Rail vehicle double six degree-of-freedom motion testing platform - Google Patents
Rail vehicle double six degree-of-freedom motion testing platform Download PDFInfo
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- CN208043365U CN208043365U CN201820577275.5U CN201820577275U CN208043365U CN 208043365 U CN208043365 U CN 208043365U CN 201820577275 U CN201820577275 U CN 201820577275U CN 208043365 U CN208043365 U CN 208043365U
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Abstract
The utility model is related to a kind of rail vehicle double six degree-of-freedom motion testing platforms.Including two six degree-of-freedom motion testing platforms, each six degree-of-freedom motion testing platform by motion platform, the test cell that is loaded for being rotatablely connected lateral forcing unit, longitudinal forcing unit, vertical forcing unit and double bolloon lifting jack on the moving platform and being fixed on motion platform upper surface and being arranged symmetrically;Actuator is directly anchored on the respectively supporting surface of mobile support base, cross force, oil inlet and outlet and the power source piping connection of actuator hlydro-cylinder are eliminated by constraining actuator;The test cell that is loaded is made of triaxial residual stresses and fixture, and the fixture is bolted to connection in the upper surface of triaxial residual stresses.The utility model energy test tracks bogie of car longitudinally, laterally, radial direction, revolution and roll stiffness;The abrasion for reducing piston rod and oil cylinder, prolongs the service life;Precisely height is measured, error is reduced;High degree of automation, test are simple and convenient.
Description
Technical field
The utility model is related to a kind of rail vehicle truck parametric test equipments, and more specifically, the utility model relates to
And a kind of rail vehicle double six degree-of-freedom motion testing platform.
Background technology
There are the influence of the factors such as manufacturing process, actual value and the theory of performance parameter in the production of track bogie design
Value differs greatly, and needs whether the bogie that detection produces meets design performance requirement, and largely puts into operation to ensure
Rail vehicle can safe and reliable operation, need the bogie performance parameter that timing detects rail vehicle whether to be in normal water
It is flat, therefore it is particularly important to research and develop a kind of equipment of detection bogie performance parameter.Currently, similar detection device has structure both at home and abroad
Design the problems such as systematic error brought is big, During manual operation is cumbersome and cost and maintenance cost are high, therefore rail
The testing requirements of road bogie of car performance parameter cannot be satisfied.
Utility model content
The utility model provides a kind of rail vehicle double six degree-of-freedom motion testing platform, and problem to be solved is:It surveys
Try the longitudinal and transverse of rail vehicle truck, radial rigidity and gyro rigidity and roll stiffness;Pull rod both ends use pin arrangement, and
Actuator is directly anchored on the supporting surface of mobile support base, eliminates cross force to a certain extent, reduces piston rod and oil
The abrasion of cylinder, prolongs the service life;Using triaxial residual stresses, the accurately measuring track bogie of car one, two systems can be realized
Hang the suffered real load that deforms;With high degree of automation, test is got up simple and convenient compared with same category of device.
The technical solution of the utility model is described with reference to the drawings as follows:
A kind of rail vehicle double six degree-of-freedom motion testing platform, including identical 1, No. 2 six-freedom motion of structure are surveyed
Examination platform A, B, each six degree-of-freedom motion testing platform are by motion platform J, the lateral force being rotatably connected on motion platform J
Unit F, 1, No. 2 longitudinal forcing unit D, E, 1, No. 2 vertical forcing unit L, M and 1, No. 2 double bolloon lifting jack K, U and fixation
It is loaded test cell G, H in the upper surfaces motion platform J and be arranged symmetrically 1, No. 2, described 1, No. 2 longitudinal forcing unit D, E, cross
It is respectively fixedly mounted on actuator support T-slot platform to forcing unit F, 1, No. 2 vertical forcing unit L, M;
Described 1, No. 2 longitudinal forcing unit D, E structure is identical, respectively by No. 1 forcing unit I and No. 1 mobile fulcrum bearing II
Composition, the transverse direction forcing unit F are made of No. 2 forcing units V and No. 2 mobile fulcrum bearings III, described 1, No. 2 vertical force
Unit L, M structure are identical, are made of respectively No. 3 forcing units VI and No. 4 forcing units VII and No. 3 mobile fulcrum bearings IV, described 1
Number forcing unit VI of forcing unit V, 3 of forcing unit I, 2 is identical with 4 forcing unit, VII structure, by pull rod 17 and makees respectively
Dynamic device 20 forms, and the actuator 20 is directly anchored on the respectively supporting surface of mobile support base, is disappeared by constraining actuator 20
Except cross force, oil inlet and outlet and the power source piping connection of 20 oil cylinder of actuator;
Described 1, No. 2 be loaded test cell G, H structure are identical, are made of triaxial residual stresses VIII and fixture Ⅸ, the card
Tool Ⅸ is bolted to connection in the upper surface of triaxial residual stresses VIII.
1,2, No. 3 forcing unit I, V, VI, VII is respectively by axis pin 14, oscillating bearing 15, spherical hinge lug ring 16, drawing
Bar 17, load cell 18, ears ring 19 and actuator 20 form, and the load cell 18 is directly fixedly connected on pull rod 17
End, 17 other end of the pull rod passes through spherical hinge lug ring 16, is rotatablely connected with the hole of the side of motion platform J, the dynamometry
18 other end of sensor is rotatablely connected by the identical spherical hinge lug ring 16 of structure, axis pin 14 and oscillating bearing 15 and ears ring 19,
Ears ring 19 is fixed in actuator 20 finally by bolt, the axis pin 14 is tight fit with 15 endoporus of oscillating bearing, is closed
Bearings 15 are tight fit with 16 through-hole of spherical hinge lug ring, and the axis hole on ears ring 19 turns with the dynamic cooperation of axis pin in spherical hinge lug ring 16
Dynamic connection.
The triaxial residual stresses VIII are passed by force plate/platform upper plate 7, force plate/platform pedestal 13 and 1,2,3, No. 4 three-dimensional forces
Sensor 8,9,10,11 forms, and it is flat that described 1,2,3, No. 4 three-dimensional force sensor 8,9,10,11 is bolted on dynamometry respectively
At four angles between platform pedestal 13 and force plate/platform upper plate 7.
The fixture Ⅸ is by No. 13, No. 2 turnbuckles of turnbuckle of inner blocking type catch 2,1 of inner blocking type catch 1,2
4, No. 1 wheel vertical compression plate 5 and No. 2 wheel vertical compression plates 6 form, No. 1 inner blocking type catch 1 and No. 22 structure phases of inner blocking type catch
Together, it is symmetrically fixedly connected on 7 upper surface of force plate/platform upper plate, and is fixedly connected by 3, No. 2 turnbuckles 4 of No. 1 turnbuckle,
No. 1 wheel vertical compression plate 5 is identical with No. 2 wheel vertical compression 6 structures of plate, in No. 1 inner blocking type catch 1 and No. 2 inner blocking type catch 2
Between the lateral symmetry upper surface for being fixedly connected on force plate/platform upper plate 7.
1, No. 2 double bolloon lifting jack K, U structure is identical, respectively by 21, No. 1 air spring lifting jacks of welding support
22, No. 2 air spring lifting jacks 25, nylon jacket 23 and round nut 24 form, No. 1 air spring lifting jack 22 and No. 2 skies
Gas spring lifting jack 25 is symmetrically fixed on by the identical nylon jacket 23 of structure and round nut 24 in welding support 21, and 1, No. 2 double
Air bag lifting jack K, U have inflation and lose gas two states;1, No. 2 described double bolloon lifting jack K, the U is to be left and right symmetrically arranged 3
On number mobile support base IV, between motion platform J and No. 3 mobile support bases IV.
The utility model has the beneficial effects that:
1. the rail vehicle double six degree-of-freedom motion testing platform energy test tracks bogie of car described in the utility model
Longitudinal rigidity, lateral stiffness, radial rigidity, gyro rigidity and roll stiffness.
2. the utility model pull rod both ends use pin arrangement, and actuator is fixed on to the supporting surface of mobile support base
On, cross force is all eliminated to a certain extent, is reduced the abrasion of piston rod and oil cylinder, is prolonged the service life.
3. the utility model uses triaxial residual stresses, it can realize that the accurately measuring track bogie of car one, two systems are outstanding
Hang the suffered real load that deforms.Triaxial residual stresses are fixedly connected by the utility model with fixture, in trapped orbit
Vehicle wheel to while can measure the power and torque in three directions of each wheel, measure accurate than being mounted in actuator position, subtract
Error is lacked.
4. high degree of automation, test is got up simple and convenient compared with same category of device.
Description of the drawings
Fig. 1 is the isometric projection of rail vehicle double six degree-of-freedom motion testing platform structure described in the utility model
Figure;
Fig. 2 is that rail vehicle double six degree-of-freedom motion testing platform described in the utility model installs its structure after measured piece additional
Isometric projection figure up and down;
Fig. 3 is No. 1 six degree of freedom for forming rail vehicle double six degree-of-freedom motion testing platform described in the utility model
The isometric projection figure of motion testing platform structure;
Fig. 4 is to form No. 1 longitudinal direction of No. 1 six degree-of-freedom motion testing platform or No. 2 six degree-of-freedom motion testing platforms to apply
The isometric projection figure of power cellular construction;
Fig. 5 is the lateral force list for forming No. 1 six degree-of-freedom motion testing platform or No. 2 six degree-of-freedom motion testing platforms
The isometric projection figure of meta structure;
Fig. 6 is that No. 1 six degree-of-freedom motion testing platform of composition or the No. 1 vertical of No. 2 six degree-of-freedom motion testing platforms are applied
The isometric projection figure of power cellular construction;
Fig. 7 is the axonometric projection graph for No. 1 forcing unit explosive view for forming No. 1 longitudinal forcing unit;
Fig. 8 is No. 1 double bolloon for forming No. 1 six degree-of-freedom motion testing platform or No. 2 six degree-of-freedom motion testing platforms
The isometric projection figure of lifting jack;
Fig. 9 is the motion platform for forming No. 1 six degree-of-freedom motion testing platform or No. 2 six degree-of-freedom motion testing platforms
Isometric projection figure;
Figure 10-a be form No. 1 six degree-of-freedom motion testing platform or No. 2 six degree-of-freedom motion testing platforms movement it is flat
The cross section A-A schematic diagram of platform;
Figure 10-b be form No. 1 six degree-of-freedom motion testing platform or No. 2 six degree-of-freedom motion testing platforms movement it is flat
The revolved sectional view of the cross section A-A of platform;
Figure 10-c be form No. 1 six degree-of-freedom motion testing platform or No. 2 six degree-of-freedom motion testing platforms movement it is flat
The section B-B schematic diagram of platform;
Figure 10-d be form No. 1 six degree-of-freedom motion testing platform or No. 2 six degree-of-freedom motion testing platforms movement it is flat
The sectional view of the section B-B of platform;
Figure 11 is No. 1 survey that is loaded for forming No. 1 six degree-of-freedom motion testing platform or No. 2 six degree-of-freedom motion testing platforms
Try the isometric projection figure of unit;
Figure 12 is the axonometric projection graph for indicating to form the explosive view of the fixture for the test cell that is loaded;
Figure 13 is the axonometric projection graph for indicating to form the explosive view of the triaxial residual stresses for the test cell that is loaded;
Figure 14 is the axonometric projection for indicating to form No. 1 three-dimensional force sensor of the triaxial residual stresses for the test cell that is loaded
Figure;
Figure 15 is the vertical actuator for forming rail vehicle double six degree-of-freedom motion testing platform described in the utility model
Support the axonometric projection graph of T-slot platform or lateral actuator support T-slot platform;
Figure 16 is the longitudinal actuator for forming rail vehicle double six degree-of-freedom motion testing platform described in the utility model
Support the isometric projection figure of T-slot platform.
In figure:
A.1 number six degree-of-freedom motion testing platform, B.2 number six degree-of-freedom motion testing platform, C. measured pieces D.1 number longitudinal direction
Forcing unit, E.2 number longitudinal forcing unit, F. transverse direction forcing units, G.1 number be loaded test cell, and the test that H.2 number is loaded is single
Member, J. motion platforms, K.1 number double bolloon lifting jack, L.1 number vertical forcing unit, M.2 number vertical forcing unit are N.1 number vertical
Actuator supports, T-slot platform, the support of O. transverse direction actuator, T-slot platform, and P.1 a number longitudinal actuator supports T-slot platform,
Q.2 a number longitudinal actuator supports T-slot platform, and R.2 a number vertical actuator supports T-slot platform, S.3 number longitudinal actuator support
T-slot platform, T.4 number a longitudinal actuator support T-slot platform, U.2 number double bolloon lifting jack, I .1 forcing units, II No. .1
Mobile fulcrum bearing, III No. .2 mobile fulcrum bearings, IV No. .3 mobile fulcrum bearings, V .2 forcing units, VI .3 forcing units,
VII .4 forcing units, VIII, triaxial residual stresses, Ⅸ, fixtures, No. 1.1 inner blocking type catch, No. 2.2 inner blocking type catch, No. 3.1
Turnbuckle, No. 4.2 turnbuckles, No. 5.1 wheel vertical compression plates, No. 6.2 wheel vertical compression plates, 7. force plate/platform upper plates, No. 8.1 three
Dimensional force sensor, No. 9.2 three-dimensional force sensors, No. 10.3 three-dimensional force sensors, No. 11.4 three-dimensional force sensors, 12. terminal boxes,
13. force plate/platform pedestal, 14. axis pins, 15. oscillating bearings, 16. spherical hinge lug rings, 17. pull rods, 18. load cells, 19. ears
Ring, 20. actuator, 21. welding supports, No. 22.1 air spring lifting jacks, 23. nylon jackets, 24. round nuts, No. 25.2 air
Spring lifting jack, 26. locking nuts, 27. expansion sleeves
Specific implementation mode
The utility model is explained in detail below in conjunction with the accompanying drawings:
Referring to Figures 1 and 2, the double six degree-of-freedom motion testing platform for railway vehicle bogie includes No. 1 six degree of freedom
Motion testing platform A, No. 2 six degree-of-freedom motion testing platform B, No. 1 vertical actuator support T-slot platform N, No. 2 vertical works
Dynamic device support T-slot platform R, lateral actuator support T-slot platform O, No. 1 longitudinal actuator support T-slot platform P, No. 2 it is vertical
T-slot platform is supported to actuator support T-slot platform Q, No. 3 longitudinal actuator support T-slot platform S, No. 4 longitudinal actuator
T and power source.Wherein No. 1 six degree-of-freedom motion testing platform A and No. 2 six degree-of-freedom motion testing platform B structures are identical, and 1
Number longitudinal actuator support T-slot platform P, No. 2 longitudinal actuator support T-slot platform Q, No. 3 longitudinal actuator support T-slots
Platform S and No. 4 longitudinal actuator support T-slot platform T structures are identical, and No. 1 vertical actuator supports T-slot platform N and No. 2
Vertical actuator support T-slot platform R structures are identical.
Actuator support T-slot platform M No. 1 vertical and No. 2 vertical actuator support T-slot platform R pass through foundation bolt
It is fixedly connected with ground, the two is symmetrical along Y-axis and parallel distance is 640mm, No. 1 six degree-of-freedom motion testing platform A and 2
Number six degree-of-freedom motion testing platform B is left and right symmetrically arranged along X-direction and supports T-slot platform N and 2 in No. 1 vertical actuator
The upper surfaces number vertical actuator support T-slot platform R, parallel distance between the two is 1~4m, and No. 1 six-freedom motion is surveyed
Try platform A and No. 2 six degree-of-freedom motion testing platform B and power source piping connection.
Refering to Fig. 3, described No. 1 six degree-of-freedom motion testing platform A or No. 2 six degree-of-freedom motion testing platform B are main
By No. 1 longitudinal forcing unit D, No. 2 longitudinal forcing unit E, lateral forcing unit F, No. 1 test cell G that is loaded, No. 2 surveys that are loaded
Try unit H, motion platform J, No. 1 double bolloon lifting jack K, No. 2 double bolloon lifting jack U, forcing unit L No. 1 vertical, No. 2 vertical
Forcing unit M compositions.No. 1 longitudinal direction forcing unit D and No. 2 longitudinal forcing unit E structures are identical, forcing unit L and 2 No. 1 vertical
Number vertical forcing unit M structure is identical, No. 1 be loaded test cell G and No. 2 test cell H structures that are loaded it is identical, No. 1 double bolloon
Lifting jack K, No. 2 double bolloon lifting jack U structures are identical.
Refering to fig. 1 with Fig. 3, the lower end of motion platform J and forcing unit L No. 1 vertical, forcing unit M No. 2 vertical upper end
Rotation connection, forcing unit L No. 1 vertical, forcing unit M No. 2 vertical lower end respectively with No. 1 vertical actuator support T-slot
Platform N, No. 2 vertical actuator support T-slot platform R are fixedly connected.The front end side of motion platform J with along Y-direction setting 1
One end rotation connection of number longitudinal direction forcing unit D and No. 2 longitudinal forcing unit E, No. 1 longitudinal direction forcing unit D and No. 2 longitudinal exert a force
The other end of unit E is solid with No. 1 longitudinal actuator support T-slot platform P and No. 2 longitudinal actuator support T-slot platform Q respectively
Fixed connection, No. 1 longitudinal actuator support T-slot platform P and No. 2 longitudinal actuator support T-slot platform Q by foundation bolt with
Ground is fixedly connected, and should make the plane of symmetry keeping parallelism of No. 1 longitudinal direction forcing unit D and No. 2 longitudinal forcing unit E.Motion platform J
Right end side and one end of lateral forcing unit F for being arranged in X direction be rotatablely connected, the other end of lateral forcing unit F with
Lateral actuator support T-slot platform O is fixedly connected by foundation bolt with ground.No. 1 test cell G that is loaded, No. 2 surveys that are loaded
Examination unit H is fixed on the upper surface of motion platform J along Y-direction is symmetrical, No. 1 be loaded test cell G or No. 2 tests that are loaded
Unit H is symmetrical structure in X direction, and the plane of symmetry of the plane of symmetry and lateral forcing unit F itself is coplanar.
Refering to fig. 1, Fig. 4 to Fig. 6, No. 1 longitudinal direction forcing unit D and No. 2 longitudinal direction forcing unit E are mainly by No. 1 forcing unit
I, No. 1 mobile fulcrum bearing II composition.One end of No. 1 forcing unit I is rotatablely connected with motion platform J, and No. 1 forcing unit I's is another
One end is fixedly connected with No. 1 mobile fulcrum bearing II, and No. 1 mobile fulcrum bearing II and No. 1 longitudinal actuator support T-slot platform P are solid
Fixed connection.Lateral forcing unit F is mainly made of the mobile fulcrum bearing of No. 2 forcing units V, 2 III, and the one of No. 2 forcing units V
End is rotatablely connected with motion platform J, and the other end of No. 2 forcing units V is fixedly connected with No. 2 mobile fulcrum bearings III, No. 2 movements
Fulcrum bearing III is fixedly connected with lateral actuator support T-slot platform O.Forcing unit L No. 1 vertical is mainly by No. 3 forcing units
VI, the mobile fulcrum bearing IV of No. 4 forcing units VII, 3 forms, the upper end of VI, No. 4 forcing unit VII of No. 3 forcing units and movement
Platform J rotation connections, VI, No. 4 VII other end of forcing unit of No. 3 forcing units are fixedly connected with No. 3 mobile fulcrum bearings IV, No. 3
Mobile fulcrum bearing IV is fixedly connected with No. 1 vertical actuator support T-slot platform N.No. 1 mobile bearing of mobile fulcrum bearing II, 2
Box structure with some strength and rigidity made of seat III and No. 3 mobile fulcrum bearings IV are steel plate welding or cast, No. 1
The upper end of the mobile mobile fulcrum bearing III of fulcrum bearing II, 2 and No. 3 mobile fulcrum bearings IV is i.e. and there is bolt hole in actuator junction,
Lower end is i.e. and T-slot platform touching position is evenly arranged with bolt hole.
Refering to Fig. 3 and Fig. 7, described No. 1 forcing unit I is mainly by axis pin 14, oscillating bearing 15, spherical hinge lug ring 16, drawing
Bar 17, load cell 18, ears ring 19, actuator 20 form;Pull rod 17 is fixedly connected with load cell 18, and pull rod is another
End is rotatablely connected by the pore structure of the side of spherical hinge lug ring 16 and motion platform J, and 18 other end of load cell passes through structure
Identical spherical hinge lug ring 16 is rotatablely connected with ears ring 19, and ears ring 19 is fixed in actuator 20 finally by bolt.Pin
It is tight fit that 14 middle part of axis, which is inserted into the endoporus of oscillating bearing 15, and it is close-fitting that oscillating bearing 15, which is inserted into 16 through-hole of spherical hinge lug ring,
It closes, the dynamic cooperation rotation connection of the axis pin in axis hole and spherical hinge lug ring on ears ring 19.The axis of symmetry, the oscillating bearing of axis pin 14
15 axis of symmetry, the axis of symmetry of 19 through-hole of the axis of symmetry and ears ring of 16 through-hole of spherical hinge lug ring are conllinear.
Refering to Fig. 3 and Fig. 8, described No. 1 double bolloon lifting jack K is by 21, No. 1 air spring lifting jacks 22,2 of welding support
Number air spring lifting jack 25, nylon jacket 23 and round nut 24 form, and double bolloon lifting jack K is bilateral symmetry, No. 1 air
Spring lifting jack 22 and No. 2 air spring lifting jacks 25 are symmetrically fixed on weldering by the identical nylon jacket 23 of structure and round nut 24
Connect 21 upper surface of holder, the axis of symmetry and welding support 21 of No. 1 air spring lifting jack 22 and No. 2 air spring lifting jacks 25
The axis of symmetry along X-direction is conllinear.21 lower end of welding support is i.e. and No. 3 IV touching positions of mobile fulcrum bearing are evenly arranged with spiral shell
Keyhole, the two are bolted to connection.
Refering to Fig. 3 and Fig. 9, the motion platform J is box typed structure, and motion platform is in the front end side of Y direction
And rear end side both ends are respectively there are two slotted hole, lower end quadrangle is there are four circular hole, and there are one square hole, motion platforms to be for right end side
Bilateral symmetry about X-direction.All there is the structure of another small sircle hole in perpendicular direction inside above-mentioned three kinds of holes,
The pivot pin 14 in forcing unit is fixed by this structure, and realizes and is rotatably assorted.I, No. 2 forcing unit of No. 1 forcing unit
V, the structure of No. 3 forcing units VI and No. 4 forcing units VII is identical.It grows in the left side of the front end side at the both ends motion platform J
One end of borehole structure and No. 1 forcing unit I in No. 1 longitudinal forcing unit D is rotatablely connected by spherical hinge lug ring 16, No. 2 longitudinal directions
Forcing unit E and No. 1 longitudinal direction forcing unit D is symmetrically mounted in the oval pore structure in right side;The square hole of motion platform J right end sides
Structure ball identical with No. 2 (with the spherical hinge lug ring 16 in No. 1 forcing unit I) structures of forcing unit V in lateral forcing unit F
Cut with scissors earrings rotation connection;The upper end of VI, No. 4 forcing unit VII of No. 3 forcing units with No. 1 by applying in forcing unit L No. 1 vertical
Borehole structure rotation connection on the left of the identical spherical hinge lug ring of 16 structure of spherical hinge lug ring and the lower ends motion platform J in power unit I,
Forcing unit M No. 2 vertical is symmetrically installed with forcing unit L No. 1 vertical, with two borehole structures on the right side of the lower ends motion platform J
Middle rotation connection.On No. 1 forcing unit VI of forcing unit V, 3 of forcing unit I, 2 and No. 4 forcing units VII into fuel-displaced
Mouth is connect with power source.
1, described No. 1 test cell G that is loaded mainly is made of triaxial residual stresses VIII and Ⅸ platform of fixture refering to fig. 1,
The lower working face of fixture Ⅸ is in contact and is fixed by bolts with the upper working face of triaxial residual stresses VIII and connect.
Refering to fig. 12, the fixture Ⅸ is mainly by No. 1 turnbuckle of inner blocking type catch 2,1 of inner blocking type catch 1,2
3,4, No. 1 wheel vertical compression plates 5 of No. 2 turnbuckles and No. 2 wheel vertical compression plates 6 form, by the identical No. 1 inner blocking type catch 1 of structure
It is symmetrically fixedly connected among 7 upper surface of force plate/platform upper plate along Y direction with No. 2 inner blocking type catch 12, two symmetrical cloth
The upper end of No. 1 inner blocking type catch 1 and No. 2 inner blocking type catch 2 set passes through identical No. 1 turnbuckle 3 of structure and No. 2 tension spiral shells
Bolt 4 is fixedly connected from the identical No. 1 inner blocking type catch 1 of structure with the both sides of No. 2 inner blocking type catch 2, identical No. 1 wheel of structure
Vertical compression plate 5 is symmetrically fixedly connected in No. 1 inner blocking type catch 1 with No. 22 intermediate laterals of inner blocking type catch with No. 2 wheel vertical compression plates 6
In the upper surface of force plate/platform upper plate 7.
Refering to fig. 13 and 14, the triaxial residual stresses VIII are by the three-dimensional force sensor 8,2 of force plate/platform upper plate 7,1
13 groups of the three-dimensional force sensor 10,4 of three-dimensional force sensor 9,3 three-dimensional force sensor 11, terminal box 12 and force plate/platform pedestal
At.Force plate/platform pedestal 13 is a plate structure part, uniformly interts the logical of bolt on the opposite both sides of force plate/platform pedestal 13
Hole is provided in 13 four corners of force plate/platform pedestal for fixing No. 1 three-dimensional force sensor 9,3 of three-dimensional force sensor 8,2
The square hole and bolt hole of three-dimensional force sensor 10 and No. 4 three-dimensional force sensors 11, force plate/platform upper platen 8 is casting, in dynamometry
7 four corners of platform upper plate are provided with for fixing No. 1 three-dimensional force of three-dimensional force sensor 16,3 of three-dimensional force sensor 7,2 sensing
Two rows of holding clamps Ⅸ are arranged on the upper working face of force plate/platform upper plate 7 and use for the through-hole of device 17 and No. 4 three-dimensional force sensors 18
Threaded hole.No. 1 three-dimensional force sensor 10 of three-dimensional force sensor 9,3 of three-dimensional force sensor 8,2 and No. 4 three-dimensional force sensors
11 are separately mounted at four square holes of triaxial residual stresses VIII, and are fixed by bolts connection, No. 1 three-dimensional force sensor 8,2
Number 9, No. 3 three-dimensional force sensors 10 of three-dimensional force sensor and No. 4 three-dimensional force sensors 11 pass through expansion sleeve 27 on force plate/platform
7 upper surface circular hole of plate is fixedly connected, and utilizes 26 locked and fixed of locking nut.
5 and Figure 16 refering to fig. 1, No. 1 longitudinal actuator support T-slot platform P, lateral actuator support T-slot platform O with
And actuator support T-slot platform N No. 1 vertical is all the similar casting platform of structure, upper working face is machined with T-slot, lower end
Both sides i.e. and ground contact position be uniformly machined with bolt hole.Actuator support T-slot platform N No. 1 vertical, lateral actuator branch
Support T-slot platform O and No. 1 longitudinal actuator support T-slot platform P are bolted on ground, No. 1 mobile fulcrum bearing
II, the lower end of No. 2 mobile fulcrum bearings III and No. 3 mobile fulcrum bearings IV is separately fixed at No. 1 longitudinal actuator by bolt and supports T
The upper working face of type groove platform P, lateral actuator support T-slot platform O and No. 1 vertical actuator support T-slot platform N
On.
Claims (5)
1. a kind of rail vehicle double six degree-of-freedom motion testing platform, including identical 1, No. 2 six-freedom motion test of structure
Platform (A, B), each six degree-of-freedom motion testing platform are by motion platform (J), the transverse direction being rotatably connected on motion platform (J)
Forcing unit (F), 1, No. 2 longitudinal forcing unit (D, E), 1, No. 2 vertical forcing unit (L, M) and 1, No. 2 double bolloon lifting jack
(K, U) and 1, No. 2 test cell (G, H) that is loaded for being fixed on the motion platform upper surface (J) and being arranged symmetrically, described 1, No. 2
Longitudinal forcing unit (D, E), lateral forcing unit (F), 1, No. 2 vertical forcing unit (L, M) are respectively fixedly mounted on start
Device supports on T-slot platform, it is characterised in that:
Described 1, No. 2 longitudinal forcing unit (D, E) structure is identical, respectively by No. 1 forcing unit (I) and No. 1 mobile fulcrum bearing
(II) form, it is described transverse direction forcing unit (F) by No. 2 forcing units (V)) and No. 2 mobile fulcrum bearings (III) form, described 1,2
Number vertical forcing unit (L, M) structure is identical, respectively by No. 3 forcing units (VI) and No. 4 forcing units (VII) and No. 3 mobile branch
Bearing (IV) forms, No. 1 forcing unit (I), No. 2 forcing units (V), No. 3 forcing units (VI) and 4 forcing units
(VII) structure is identical, is made of respectively pull rod (17) and actuator (20), and the actuator (20) is directly anchored to respective movement
On the supporting surface of support base, cross force, the oil inlet and outlet and power of actuator (20) oil cylinder are eliminated by constraining actuator (20)
Source piping connection;
Described 1, No. 2 test cell (G, H) structure that is loaded is identical, is made of triaxial residual stresses (VIII) and fixture (Ⅸ), described
Fixture (Ⅸ) is bolted to connection in the upper surface of triaxial residual stresses (VIII).
2. rail vehicle double six degree-of-freedom motion testing platform described in accordance with the claim 1, it is characterised in that:
1,2, No. 3 forcing unit (I, V, VI, VII) is respectively by axis pin (14), oscillating bearing (15), spherical hinge lug ring
(16), pull rod (17), load cell (18), ears ring (19) and actuator (20) composition, the load cell (18) are straight
Connect the end for being fixedly connected on pull rod (17), pull rod (17) other end by spherical hinge lug ring (16), with motion platform (J)
The hole of side is rotatablely connected, and load cell (18) other end passes through the identical spherical hinge lug ring of structure (16), axis pin (14)
It is rotatablely connected with oscillating bearing (15) and ears ring (19), ears ring (19) is fixed on actuator (20) finally by bolt
On, the axis pin (14) is tight fit with oscillating bearing (15) endoporus, and oscillating bearing (15) and spherical hinge lug ring (16) through-hole are tight
Coordinate, the axis hole on ears ring (19) and the dynamic cooperation rotation connection of axis pin in spherical hinge lug ring (16).
3. rail vehicle double six degree-of-freedom motion testing platform described in accordance with the claim 1, it is characterised in that:
The triaxial residual stresses (VIII) are by force plate/platform upper plate (7), force plate/platform pedestal (13) and 1,2,3, No. 4 three-dimensional forces
Sensor (8,9,10,11) forms, and described 1,2,3, No. 4 three-dimensional force sensor (8,9,10,11) is bolted on respectively
At four angles between force plate/platform pedestal (13) and force plate/platform upper plate (7).
4. rail vehicle double six degree-of-freedom motion testing platform described in accordance with the claim 1, it is characterised in that:
The fixture (Ⅸ) is by No. 1 inner blocking type catch (1), No. 2 inner blocking type catch (2), No. 1 turnbuckle (3), No. 2 tensions
Bolt (4), No. 1 wheel vertical compression plate (5) and No. 2 wheel vertical compression plates (6) composition block in No. 1 inner blocking type catch (1) and No. 2
Formula catch (2) structure is identical, is symmetrically fixedly connected on force plate/platform upper plate (7) upper surface, and pass through No. 1 turnbuckle (3), 2
Number turnbuckle (4) is fixedly connected, and No. 1 wheel vertical compression plate (5) is identical with No. 2 wheel vertical compression plate (6) structures, in No. 1
Cassette catch (1) and No. 2 inner blocking type catch (2) intermediate laterals are symmetrically fixedly connected on the upper surface of force plate/platform upper plate (7).
5. rail vehicle double six degree-of-freedom motion testing platform described in accordance with the claim 1, it is characterised in that:
1, No. 2 double bolloon lifting jack (K, U) structure is identical, respectively by welding support (21), No. 1 air spring lifting jack
(22), No. 2 air spring lifting jacks (25), nylon jacket (23) and round nut (24) composition, No. 1 air spring lifting jack
(22) and No. 2 air spring lifting jacks (25) are symmetrically fixed on welding by the identical nylon jacket of structure (23) and round nut (24)
In holder (21), 1, No. 2 double bolloon lifting jack (K, U) has inflation and loses gas two states;1, No. 2 double bolloon lifting jack
(K, U) is to be left and right symmetrically arranged on No. 3 mobile support bases (IV), be located at motion platform (J) and No. 3 mobile support bases (IV) it
Between.
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CN201820063266 | 2018-01-16 | ||
CN2018200632664 | 2018-01-16 |
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CN208043365U true CN208043365U (en) | 2018-11-02 |
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CN201820577275.5U Withdrawn - After Issue CN208043365U (en) | 2018-01-16 | 2018-04-23 | Rail vehicle double six degree-of-freedom motion testing platform |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108387353A (en) * | 2018-01-16 | 2018-08-10 | 吉林大学 | Rail vehicle double six degree-of-freedom motion testing platform |
-
2018
- 2018-04-23 CN CN201820577275.5U patent/CN208043365U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108387353A (en) * | 2018-01-16 | 2018-08-10 | 吉林大学 | Rail vehicle double six degree-of-freedom motion testing platform |
CN108387353B (en) * | 2018-01-16 | 2019-12-31 | 吉林大学 | Double six-degree-of-freedom motion test platform for railway vehicle |
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Granted publication date: 20181102 Effective date of abandoning: 20191231 |