CN220454828U - Scaled active semi-active suspension device test platform suitable for electric maglev train - Google Patents
Scaled active semi-active suspension device test platform suitable for electric maglev train Download PDFInfo
- Publication number
- CN220454828U CN220454828U CN202321958204.7U CN202321958204U CN220454828U CN 220454828 U CN220454828 U CN 220454828U CN 202321958204 U CN202321958204 U CN 202321958204U CN 220454828 U CN220454828 U CN 220454828U
- Authority
- CN
- China
- Prior art keywords
- scaled
- suspension
- framework
- actuating device
- base plate
- 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.)
- Active
Links
- 239000000725 suspension Substances 0.000 title claims abstract description 126
- 238000012360 testing method Methods 0.000 title claims abstract description 37
- 238000004088 simulation Methods 0.000 claims abstract description 41
- 239000000758 substrate Substances 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 17
- 238000005339 levitation Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000011160 research Methods 0.000 description 6
- 238000012795 verification Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000000806 elastomer Substances 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
Landscapes
- Vehicle Body Suspensions (AREA)
Abstract
The utility model discloses a scaled active semi-active suspension device test platform suitable for an electric maglev train, which comprises a plurality of scaled car bodies, scaled suspension frames, vibration simulation devices and workshop connection devices, wherein adjacent scaled car bodies are connected through the workshop connection devices, and each scaled car body comprises a base plate, a longitudinal beam and a transverse actuating device mounting seat; the scaled suspension frame comprises a framework, a magnet, a primary suspension, a secondary suspension, a transverse actuating device, a vertical actuating device and a mounting adapter, wherein the magnet is arranged on two sides of the framework, the primary suspension is arranged at the bottom of the framework, the secondary suspension is arranged at the upper part of the framework, the transverse actuating device is arranged at the end part of the framework and is connected with a mounting seat of the transverse actuating device, and the vertical actuating device is arranged at the upper part of the framework and is connected with a substrate; the vibration simulation device comprises a six-degree-of-freedom vibration simulation platform and a ground mounting plate, wherein the six-degree-of-freedom vibration simulation platform is arranged on the ground mounting plate, and the primary suspension is connected with the six-degree-of-freedom vibration simulation platform through a mounting adapter.
Description
Technical Field
The utility model relates to the technical field of magnetic levitation vehicle tests, in particular to a scaled active semi-active suspension device test platform suitable for an electric magnetic levitation train.
Background
When an electric magnetic levitation (EDS) type magnetic levitation train operates, a vehicle-mounted magnet magnetic field cuts a ground coil to generate an induction current and an induction magnetic field, and the interaction of the vehicle-mounted magnet magnetic field and the ground coil induction magnetic field generates electromagnetic levitation force and guiding force to realize levitation and guiding of the train.
The suspension device is an important component for ensuring the safety and the comfort of the electric magnetic levitation train, the electric magnetic levitation train is influenced by factors such as wideband excitation, magnetic track relation, nonlinearity of suspension elements, support and suspension state switching, complex boundary strakes and the like, and the safety and the comfort requirements of the train cannot be well met by adopting the traditional passive suspension device, so that the problems are necessarily solved by adopting active suspension or semi-active suspension.
The existing similar platform is not suitable for an electric magnetic levitation train, can not play a verification role, or is a full-size platform with high cost and poor economical efficiency.
Disclosure of Invention
The utility model provides a scaled active semi-active suspension device test platform suitable for an electric maglev train, which can solve the technical problems in the prior art.
The utility model provides a scaled active semi-active suspension device test platform suitable for an electric maglev train, which comprises a plurality of scaled car bodies, scaled suspension frames, vibration simulation devices and workshop connection devices, wherein adjacent scaled car bodies are connected through the workshop connection devices,
the scaled car body comprises a base plate, a longitudinal beam and a transverse actuating device mounting seat, wherein the longitudinal beam is arranged on the upper surface of the base plate, and the transverse actuating device mounting seat is arranged on the lower surface of the base plate;
the scaling suspension frame comprises a framework, magnets, primary suspension, secondary suspension, a transverse actuating device, a vertical actuating device and a mounting adapter, wherein the magnets are arranged on two sides of the framework, the primary suspension is arranged at the bottom of the framework, the secondary suspension is arranged at the upper part of the framework, the transverse actuating device is arranged at the end part of the framework and is connected with the mounting seat of the transverse actuating device, and the vertical actuating device is arranged at the upper part of the framework and is connected with the substrate;
the vibration simulation device comprises a six-degree-of-freedom vibration simulation platform and a ground mounting plate, wherein the six-degree-of-freedom vibration simulation platform is arranged on the ground mounting plate, the ground mounting plate is arranged on the ground, and the primary suspension is connected with the six-degree-of-freedom vibration simulation platform through the mounting adapter.
Preferably, the workshop connecting device comprises a longitudinal actuating device and a force transmission piece, wherein two ends of the force transmission piece are connected to the lower parts of the base plates of the adjacent scaled car bodies, and two ends of the longitudinal actuating device are connected to the upper parts of the base plates of the adjacent scaled car bodies.
Preferably, the number of the scaled car bodies is three, each scaled car body is correspondingly provided with two scaled suspension frames, and each scaled suspension frame comprises two transverse actuating devices and two vertical actuating devices.
Preferably, the number of the scaled car bodies is three, and four scaled suspension frames are correspondingly arranged on the three scaled car bodies, wherein one scaled suspension frame is shared by the connecting positions of the adjacent scaled car bodies, and each scaled suspension frame comprises two transverse actuating devices and four vertical actuating devices.
Preferably, the two ends of the force transmission piece are connected to the lower parts of the base plates of the adjacent scaled car bodies through spherical hinges, and the two ends of the longitudinal actuating device are connected to the upper parts of the base plates of the adjacent scaled car bodies through spherical hinges.
Preferably, the primary suspension and the secondary suspension employ steel springs.
Preferably, the six-degree-of-freedom vibration simulation platform is fixed on the ground mounting plate through T-shaped slot nuts and bolts.
Preferably, the ground mounting plate is secured to the ground by nuts and ground anchor bolts.
Preferably, the longitudinal beam is fixed on the upper surface of the base plate in a threaded connection mode.
Preferably, the mounting seat of the transverse actuating device is fixed on the lower surface of the base plate in a threaded manner.
Through the technical scheme, the under-line test verification can be carried out on the single-section active semi-active suspension device, the active semi-active suspension device of the combined vehicle connected with the scaled coupler and the active semi-active suspension device of the combined vehicle connected with the scaled hinge, and the test platform has good safety and effectiveness and lower cost.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model. It is evident that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 illustrates a single-section vehicle mode exploded view of a scaled active semi-active suspension test platform suitable for use with an electric maglev train in accordance with an embodiment of the present utility model; and
FIG. 2 shows an embodiment of the utility model suitable for use in an electric maglev train schematic diagram of a single-section vehicle mode of a scaled active semi-active suspension test platform;
FIG. 3 shows a schematic view of a scaled vehicle body in accordance with an embodiment of the utility model;
FIG. 4 shows a schematic view of a scaled suspension frame according to an embodiment of the utility model;
FIG. 5 shows a schematic diagram of a vibration simulation apparatus according to an embodiment of the utility model;
FIG. 6 illustrates a schematic diagram of a scaled-active semi-active suspension test platform three consist coupler connection mode in accordance with an embodiment of the present utility model;
FIGS. 7A and 7B illustrate a schematic diagram of a vehicle connection in a three-consist coupling mode in accordance with an embodiment of the present utility model;
FIG. 8 illustrates a schematic diagram of a scaled-active semi-active suspension test platform three-consist articulation connection mode in accordance with an embodiment of the present utility model;
fig. 9A and 9B show a schematic diagram of a shop connection in a three-group articulation mode according to an embodiment of the present utility model.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
As shown in fig. 1 to 6, the embodiment of the utility model provides a scaled active semi-active suspension device test platform suitable for an electric maglev train, wherein the test platform comprises a plurality of scaled car bodies 1, scaled suspension frames 2, vibration simulation devices 3 and workshop connection devices 4, adjacent scaled car bodies 1 are connected through the workshop connection devices 4,
the scaled car body 1 comprises a base plate 11, a longitudinal beam 12 and a transverse actuating device mounting seat 13, wherein the longitudinal beam 12 is arranged on the upper surface of the base plate 11, and the transverse actuating device mounting seat 13 is arranged on the lower surface of the base plate 11;
the scale suspension frame 2 comprises a framework 24, a magnet 21, a primary suspension 23, a secondary suspension 26, a transverse actuating device 25, a vertical actuating device 27 and a mounting adapter 22, wherein the magnet 21 is arranged on two sides of the framework 24, the primary suspension 23 is arranged at the bottom of the framework 24, the secondary suspension 26 is arranged at the upper part of the framework 24, the transverse actuating device 25 is arranged at the end part of the framework 24 and is connected with the transverse actuating device mounting seat 13, and the vertical actuating device 27 is arranged at the upper part of the framework 24 and is connected with the base plate 11;
the vibration simulation device 3 comprises a six-degree-of-freedom vibration simulation platform 31 and a ground mounting plate 32, the six-degree-of-freedom vibration simulation platform 31 is arranged on the ground mounting plate 32, the ground mounting plate 32 is arranged on the ground, and the primary suspension 23 is connected with the six-degree-of-freedom vibration simulation platform 31 through the mounting adapter 22.
Through the technical scheme, the under-line test verification can be carried out on the single-section active semi-active suspension device, the active semi-active suspension device of the combined vehicle connected with the scaled coupler and the active semi-active suspension device of the combined vehicle connected with the scaled hinge, and the test platform has good safety and effectiveness and lower cost.
For example, the scaling ratio may be selected between 1:8 and 1:12 depending on site, economy, kit size, etc., which the present utility model is not limited to. When the platform is in a single-section mode, at least 1 set of telescopic car body, 2 sets of telescopic suspension frame and 1 set of vibration simulation device can be included from top to bottom, as shown in fig. 1 and 2.
The scaled vehicle body is used for simulating rigid mode and first-order elastomer mode of the vehicle body, the scaled suspension frame is used for simulating suspension arrangement mode and rigid mode frequency of the suspension frame and is provided with an active semi-active suspension device, and the vibration simulation device is used for providing a stable installation foundation for the whole platform while simulating ground disturbance such as irregularity, bridge sag and the like; the scaling vehicle body is in threaded connection with the scaling suspension frame through a secondary suspension, a transverse actuating device and a vertical actuating device on the scaling suspension frame, the scaling suspension frame is in threaded connection with the vibration simulation device through a mounting adapter at the lower part of the primary suspension of the scaling suspension frame, and the vibration simulation device is connected with the ground through a ground mounting plate.
When the test platform is in a marshalling train coupler connection mode, the test platform consists of at least 2 sets of platform modules in a single-section train mode, adjacent scaled train bodies are connected together through workshop connection devices, and the workshop connection devices are used for simulating force transmission characteristics between trains. When the test platform is in a marshalling train hinged connection mode, the test platform consists of at least 2 sets of platform modules in a single-section train mode, the scaled train body is a corresponding hinged scaled train body, 1 set of scaled train body is additionally arranged on a scaled suspension frame of an adjacent platform, the adjacent scaled train bodies share the same 1 scaled suspension frame, and meanwhile, the adjacent scaled train bodies are connected together through a workshop connection device and are used for simulating force transmission characteristics among trains. When the platform is in a marshalling train mode, the marshalling length can be increased or decreased according to the requirement of a research task, and the type of the workshop connecting device can be changed.
According to one embodiment of the utility model, the shop connection device 4 comprises a longitudinal actuation device 41 and a force-transmitting member 42, the force transmitting member 42 is connected at both ends to the lower portion of the base plate 11 adjacent to the scaled car body 1, and the longitudinal actuating device 41 is connected at both ends to the upper portion of the base plate 11 adjacent to the scaled car body 1.
According to one embodiment of the present utility model, the number of the scaled vehicle bodies 1 is three, and each scaled vehicle body 1 is provided with two scaled suspension frames 2 correspondingly, and each scaled suspension frame 2 comprises two lateral actuating devices 25 and two vertical actuating devices 27.
That is, as shown in fig. 6 and 7, the embodiment for scale verification of the active suspension scheme of the three-consist coupler train may be composed of 3 single-section mode platforms, each of which comprises two lateral actuators 25 and two vertical actuators 27. In the embodiment, the ground mounting plates 32 of the platforms in 3 single-section vehicle modes are arranged side by side, and the distances between the scaled suspension frame 2 below the adjacent single-section vehicle platform and the six-degree-of-freedom vibration simulation platform 31 are adjusted through T-shaped grooves to meet the mounting requirement; the adjacent scaled car bodies 1 are connected through a workshop connecting device 4, two ends of two longitudinal actuating devices 41 are respectively connected to the upper parts of scaled car body substrates 11 of the adjacent scaled car bodies 1 through spherical hinges, a scaled force transmission piece 42 simulates car coupler force transmission, and two ends are connected to the lower parts of the adjacent scaled car body substrates 11 through spherical hinges; through the combination, the three-group coupler connection train active suspension performance simulation platform can be built.
According to one embodiment of the present utility model, alternatively, the number of the scaled vehicle bodies 1 is three, and four scaled suspension frames 2 are correspondingly arranged for the three scaled vehicle bodies 1, wherein one scaled suspension frame 2 is shared by the connecting positions of adjacent scaled vehicle bodies 1, and each scaled suspension frame 2 comprises two lateral actuating devices 25 and four vertical actuating devices 27.
That is, as shown in fig. 8 and 9, the embodiment for scaling verification of the active suspension scheme of the three-consist articulated train may be composed of 2 platforms in a single-section mode and an additional 1 scaled car body 1, each scaled suspension frame 2 of the platforms comprising two lateral actuating devices 25 and four vertical actuating devices 27. In the example, the ground mounting plates 32 of the 2 platforms in the single-section mode are arranged side by side, and one end of the scaled vehicle body 1 adopted by the test platform is connected with two secondary suspensions 26, one transverse actuating device 25 and two vertical actuating devices 27 of the scaled suspension frame 2; the other two secondary suspensions 26, a transverse actuating device 25 and two vertical actuating devices 27 on the scaled suspension frame 2 are connected with the scaled vehicle body 1 additionally added in the middle; meanwhile, the scaling car body 1 and the scaling car body 1 additionally added in the middle are connected through a workshop connecting device 4, two ends of two longitudinal actuating devices 41 are respectively connected to the upper parts of scaling car body substrates 11 of adjacent scaling car bodies 1 through spherical hinges, a scaling force transmission piece 42 simulates car coupler force transmission, and two ends are connected to the lower parts of adjacent scaling car body substrates 11 through spherical hinges; through the combination, the construction of the active suspension performance simulation platform of the three-group articulated connection train can be realized.
According to one embodiment of the present utility model, the two ends of the force-transmitting member 42 are connected to the lower portion of the base plate 11 adjacent to the scaled car body 1 by means of spherical hinges, and the two ends of the longitudinal actuating device 41 are connected to the upper portion of the base plate 11 adjacent to the scaled car body 1 by means of spherical hinges.
According to one embodiment of the utility model, the primary suspension 23 and the secondary suspension 26 are steel springs.
Alternatively, the primary suspension 23 and the secondary suspension 26 may employ rubber springs or air springs.
According to one embodiment of the present utility model, the six-degree-of-freedom vibration simulation platform 31 is fixed to the ground mounting plate 32 by T-slot nuts and bolts.
According to one embodiment of the utility model, the ground mounting plate 32 is secured to the ground by nuts and ground anchor bolts.
According to one embodiment of the present utility model, the stringers 12 are fastened to the upper surface of the base plate 11 by screwing.
According to one embodiment of the present utility model, the lateral actuator mounting base 13 is fixed on the lower surface of the base plate 11 by screwing.
The scaled active semi-active suspension device test platform suitable for the electric maglev train is described below with reference to examples.
The scaled vehicle body 1 comprises 1 base plate 11, 2 stringers 12, 4 lateral actuator mounts 13 and a plurality of sensors mounted according to different control algorithms. The base plate 11 is an installation foundation and a main bearing part of the scaled car body 1, and is provided with installation interfaces of the longitudinal beam 12, the scaled suspension frame 2, the workshop connecting device 4 and other parts, each part is in threaded connection with the scaled car body, and the first-order elastomer mode frequency of the base plate is similar to that of an actual car body; the longitudinal beam 12 can be of an inverted T-shaped section, and the adjustment of the first-order elastomer modal frequency of the whole scaled car body in a research range can be realized by installing the longitudinal beams with different section heights; the lateral actuator mount 13 is adapted to be connected to a lateral actuator 25 on the telescoping suspension 2. The test platform has the same scaled car body when in a single-section car mode and a marshalling train coupler connection mode, namely, a 1 scaled car body is connected with a 2 scaled suspension frame; when the train is in a hinged connection mode, two ends of the scaled train bodies at two ends are respectively connected with the 1-set scaled suspension frame and the half-set scaled suspension frame, two ends of the scaled train body in the middle are respectively connected with the 2 half-set scaled suspension frames, namely, the adjacent scaled train bodies share the same 1-set suspension frame, so that the hinged marshalling is realized.
The scaled suspension frame 2 comprises 1 frame 24, 4 magnets 21, 4 primary suspensions 23, 4 secondary suspensions 26, 2 lateral actuators 25, 2 vertical actuators (including 4 vertical actuators in articulated mode) 27, 2 mounting adapters 22 and a plurality of sensors mounted according to different control algorithms. The framework 24 is a mounting foundation and main bearing component of the scaled suspension frame 2, and is provided with mounting interfaces of all components of the scaled suspension frame, and all components are in threaded connection with the scaled framework; the 4 magnets 21 are used for controlling the mass proportion and the moment of inertia proportion of the scaled suspension frame 2 and the scaled vehicle body 1, are in threaded connection with the framework 24, and enable the rigid body modal frequency of the platform to be similar to a study object by setting proper first-system suspension of the scaled suspension frame and second-system suspension rigidity of the scaled suspension frame, and the first-system suspension and the second-system suspension can realize adjustment of the rigid body modal frequency of the platform in the study range by adjusting suspension parameters; one end of the mounting adapter is connected with the first system suspension of the scaled suspension frame, and the other end of the mounting adapter is connected with the vibration simulation device; according to the difference of the general scheme of the active semi-active suspension, at most 2 transverse actuating devices and at most 6 vertical actuating devices can be arranged on the scaled framework, the transverse actuating devices and the vertical actuating devices can select force or displacement or speed control type actuators according to the difference of the research scheme, and also can select semi-active damping actuators, two ends of each actuator are respectively in threaded connection with a scaled vehicle body and the scaled suspension framework through spherical hinges or rubber joints, and are provided with an upper computer, a controller, a signal collector, a power amplifier, a power supply and other components, and an electric appliance can be configured according to the actual research scheme, so that the utility model is not confused and repeated herein.
The vibration simulation apparatus 3 includes 2 six degrees of freedom a vibration simulation platform 31 and two ground mounting plates 32. The six-degree-of-freedom vibration simulation platform 31 can adopt a Stewart platform technical scheme, has the advantages of small volume, large actuating range, large rigidity, strong bearing capacity, non-accumulation of position errors and the like while realizing six-degree-of-freedom motion simulation, and is provided with 2 six-degree-of-freedom vibration simulation platforms 31 in a single-section car mode, the number of the six-degree-of-freedom vibration simulation platforms 31 is the same as that of the scaled suspension frames 2 in a train coupler connection mode and a train articulated connection mode, and the simulation platforms can be matched with independent controller signal collectors, power amplifiers, power supplies and other components so as not to obscure the utility model; the ground mounting plate 32 is a mounting foundation of the whole platform, is fixed with anchor bolts on the ground through nuts, is provided with T-shaped grooves, is connected with the six-degree-of-freedom vibration simulation platform 31 through the T-shaped grooves through nuts and bolts, and can adjust the distance between the six-degree-of-freedom vibration simulation platforms 31 according to use requirements.
The shop connection device 4 comprises 1 force-transmitting element 42 and 2 longitudinal actuation devices 41. The force transmission piece 42 can be designed into a simulated coupler force transmission or a simulated hinge plate force transmission according to research requirements, the two ends of the simulated coupler force transmission are spherical hinges or rubber joints, the simulated coupler force transmission is screwed on the upper part or the lower part of the scaled car body 1, and the installation height is adjusted through a gasket; the longitudinal actuating device 41 can be installed according to research requirements, and can be a force or displacement or speed control type actuator or a semi-active damping actuator, and two ends of each actuator are connected with the scaled vehicle body 1 through spherical hinges or rubber joints.
According to the embodiment, the test platform can carry out qualitative comparison analysis on different control algorithms, sensor layout, actuator type selection and the like in the design stage of the active semi-active suspension device of the electric mode magnetic levitation train, and the design, the type selection and the iteration of a supporting and guiding scheme have good safety and effectiveness, and meanwhile, the cost is only about 1/50 to 1/100 of that of the related full-size test platform of the domestic wheel-track train and the electromagnetic mode magnetic levitation train, so that the test platform has good economical efficiency.
In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. A scaled active semi-active suspension device test platform suitable for an electric magnetic levitation train is characterized by comprising a plurality of scaled car bodies (1), scaled suspension frames (2), vibration simulation devices (3) and workshop connection devices (4), wherein adjacent scaled car bodies (1) are connected through the workshop connection devices (4),
the scaled car body (1) comprises a base plate (11), a longitudinal beam (12) and a transverse actuating device mounting seat (13), wherein the longitudinal beam (12) is arranged on the upper surface of the base plate (11), and the transverse actuating device mounting seat (13) is arranged on the lower surface of the base plate (11);
the scaled suspension frame (2) comprises a framework (24), a magnet (21), a primary suspension (23), a secondary suspension (26), a transverse actuating device (25), a vertical actuating device (27) and a mounting adapter (22), wherein the magnet (21) is arranged on two sides of the framework (24), the primary suspension (23) is arranged at the bottom of the framework (24), the secondary suspension (26) is arranged at the upper part of the framework (24), the transverse actuating device (25) is arranged at the end part of the framework (24) and is connected with the transverse actuating device mounting seat (13), and the vertical actuating device (27) is arranged at the upper part of the framework (24) and is connected with the substrate (11);
the vibration simulation device (3) comprises a six-degree-of-freedom vibration simulation platform (31) and a ground mounting plate (32), wherein the six-degree-of-freedom vibration simulation platform (31) is arranged on the ground mounting plate (32), the ground mounting plate (32) is arranged on the ground, and the primary suspension (23) is connected with the six-degree-of-freedom vibration simulation platform (31) through the mounting adapter (22).
2. The test bench according to claim 1, characterized in that the shop connection device (4) comprises a longitudinal actuation device (41) and a force transmission member (42), both ends of the force transmission member (42) being connected to the lower part of the base plate (11) adjacent to the scaled car body (1), both ends of the longitudinal actuation device (41) being connected to the upper part of the base plate (11) adjacent to the scaled car body (1).
3. The test bench according to claim 1, characterized in that the number of said scaled bodies (1) is three, each scaled body (1) being provided with two said scaled suspensions (2) in correspondence, each scaled suspension (2) comprising two said lateral actuation means (25) and two said vertical actuation means (27).
4. The test bench according to claim 2, characterized in that the number of the scaled car bodies (1) is three, and four scaled suspension frames (2) are correspondingly arranged on the three scaled car bodies (1), wherein one scaled suspension frame (2) is shared by the connecting positions of adjacent scaled car bodies (1), and each scaled suspension frame (2) comprises two transverse actuating devices (25) and four vertical actuating devices (27).
5. The test platform according to claim 2, wherein the two ends of the force transmission piece (42) are connected to the lower part of the base plate (11) adjacent to the scaled car body (1) through spherical hinges, and the two ends of the longitudinal actuating device (41) are connected to the upper part of the base plate (11) adjacent to the scaled car body (1) through spherical hinges.
6. A test platform according to any one of claims 1-5, characterized in that the primary suspension (23) and the secondary suspension (26) are steel springs.
7. A test platform according to any one of claims 1-5, characterized in that the six degree of freedom vibration simulation platform (31) is fixed to the ground mounting plate (32) by means of T-nuts and bolts.
8. A test platform according to any one of claims 1-5, wherein the ground mounting plate (32) is secured to the ground by nuts and ground anchor bolts.
9. A test bench according to any of claims 1-5, characterized in that said stringers (12) are fastened to the upper surface of said base plate (11) by means of screw-connection.
10. A test platform according to any one of claims 1 to 5, wherein the lateral actuator mount (13) is secured to the lower surface of the base plate (11) by means of a screw connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321958204.7U CN220454828U (en) | 2023-07-24 | 2023-07-24 | Scaled active semi-active suspension device test platform suitable for electric maglev train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321958204.7U CN220454828U (en) | 2023-07-24 | 2023-07-24 | Scaled active semi-active suspension device test platform suitable for electric maglev train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220454828U true CN220454828U (en) | 2024-02-06 |
Family
ID=89737587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321958204.7U Active CN220454828U (en) | 2023-07-24 | 2023-07-24 | Scaled active semi-active suspension device test platform suitable for electric maglev train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220454828U (en) |
-
2023
- 2023-07-24 CN CN202321958204.7U patent/CN220454828U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101248344A (en) | Vehicle testing | |
| CN102016537B (en) | Strut assembly | |
| CN103954459A (en) | Automotive suspension test bed | |
| US7267010B2 (en) | Inertial mass guided single axis vibration test machine | |
| CN112936231B (en) | Three-freedom-degree motion simulation platform for realizing gravity balance | |
| JP7248361B1 (en) | Planetary rover magnetic levitation gravity compensation experimental platform based on parallel-connected attitude adjustment | |
| CN211527845U (en) | Double-cross arm independent suspension endurance test stand | |
| CN114812986A (en) | Vibration test system of superconducting maglev train suspension frame | |
| CN104048823A (en) | Rigidity-variable virtual vehicle body clamp suspension test bed | |
| CN220454828U (en) | Scaled active semi-active suspension device test platform suitable for electric maglev train | |
| CN105818723A (en) | Multi-degree-of-freedom parallel mechanism vibration damping platform used for motor vehicle seat | |
| CN214702674U (en) | Vibration test system of superconducting maglev train suspension frame | |
| CN106840712B (en) | Multipurpose suspension performance and durability test stand | |
| CN101520364A (en) | Inverted cup-type drop test bed cradle | |
| CN110261140A (en) | A kind of bidifly vibration experimental rig | |
| CN108168917A (en) | For testing the loading device of bogie frame bearing capacity and test system | |
| CN215110283U (en) | Equipment damping system with adjustable supporting force distribution | |
| CN108908300B (en) | Two-rotation one-translation three-freedom-degree motion platform | |
| CN108725838B (en) | System leads aircraft transmission simulation platform | |
| CN212208627U (en) | Driving simulation equipment of unmanned vehicle special for agriculture | |
| CN108597746B (en) | Damping box body for vehicle-mounted transformer | |
| CN113848109A (en) | Low-floor bogie frame strength testing device and system | |
| KR101288628B1 (en) | Road-arm type dynamic characteristic tester, test method thereof dynamic characteristic testing system | |
| CN208636049U (en) | The EEF bogie experimental bench of magnetic levitation track train | |
| CN214404486U (en) | Shock isolation device for side part of fixing equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |