CN211740637U - Test bed for operation performance of suspension frame unit of medium-low speed magnetic suspension vehicle - Google Patents
Test bed for operation performance of suspension frame unit of medium-low speed magnetic suspension vehicle Download PDFInfo
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- CN211740637U CN211740637U CN202020583269.8U CN202020583269U CN211740637U CN 211740637 U CN211740637 U CN 211740637U CN 202020583269 U CN202020583269 U CN 202020583269U CN 211740637 U CN211740637 U CN 211740637U
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Abstract
A test bed for the operation performance of a suspension frame unit of a medium-low speed magnetic suspension vehicle relates to the technical field of the performance test of the suspension frame unit of the magnetic suspension vehicle and comprises an F-shaped track, a plurality of hydraulic adjusting devices, four vibration sensors and static pressure equipment, and is characterized in that the F-shaped track is composed of a plurality of sectional F-shaped tracks, the bottom of each hydraulic adjusting device is fixedly connected onto the test bed, the top of each hydraulic adjusting device is fixedly connected with the corresponding F-shaped track, and each hydraulic adjusting device is used for adjusting the height and the inclination angle of the corresponding F-shaped track; the four vibration sensors are fixedly connected to the side walls of the four suspension unit interfaces of the suspension frame unit in a one-to-one correspondence mode, and the static pressure equipment is fixedly connected with the four suspension unit interfaces and used for applying vertical pressure to the suspension frame unit. The utility model discloses can simulate track irregularity state, the influence of prediction track irregularity to well low-speed maglev vehicle operating performance.
Description
Technical Field
The utility model relates to a maglev vehicle suspension frame unit capability test technical field, concretely relates to suspension frame unit operation capability test platform of well low-speed maglev vehicle.
Background
At the present stage, the performance test of the suspension frame unit 5 (as shown in fig. 1) of the medium-low speed maglev vehicle can only test the static performance of the coupling effect of the suspension frame unit 5 and the F-type track, but no test bed can simulate the influence of the test track irregularity on the running stability of the medium-low speed maglev vehicle, and the line irregularity state cannot be simulated before the online dynamic debugging of the maglev vehicle, so as to test whether the suspension control parameter setting of the vehicle is reasonable, that is, the adaptability of the medium-low speed maglev vehicle to the track irregularity state is tested.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a suspension frame unit operating performance test bench of well low-speed maglev vehicle can realize before well low-speed maglev vehicle reaches the line operation, and the unsmooth condition of simulation circuit tests maglev vehicle operating performance to adjust suspension control parameter, vehicle structure or hang the parameter according to the test result, in order to improve vehicle operation travelling comfort.
In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:
the test bed for the operation performance of the suspension frame unit of the medium-low speed maglev vehicle comprises an F-shaped track, a plurality of hydraulic adjusting devices, four vibration sensors and static pressure equipment, and is characterized in that the F-shaped track is composed of a plurality of sectional F-shaped tracks, the bottoms of the hydraulic adjusting devices are fixedly connected to the test bed, the tops of the hydraulic adjusting devices are fixedly connected with the F-shaped tracks, and the hydraulic adjusting devices are used for adjusting the height and the inclination angle of the F-shaped tracks; the four vibration sensors are fixedly connected to the side walls of the four suspension unit interfaces of the suspension frame unit in a one-to-one correspondence mode, and the static pressure equipment is fixedly connected with the four suspension unit interfaces and used for applying vertical pressure to the suspension frame unit.
The hydraulic adjusting device is a hydraulic jack, and the top end of a piston of the hydraulic adjusting device is fixedly connected with the F-shaped track. The static pressure equipment is a vertical actuator.
The utility model has the advantages that: the test bed adopts a sectional type F-shaped track, the horizontal height and the inclination angle of each section of independent F-shaped track are adjusted through a hydraulic adjusting device so as to simulate the track irregularity state, and meanwhile, the vibration condition of the area near the interface of the static pressure equipment and the suspension unit is measured through a vibration sensor so as to predict the influence of the track irregularity on the running performance of the medium-low speed magnetic suspension vehicle. According to the test result, suspension control parameters, a suspension frame structure or suspension parameters are optimally adjusted before the vehicle is formally on-line operated so as to improve the comfort of vehicle operation.
Drawings
Fig. 1 is a schematic structural diagram of a suspension frame unit of a medium-low speed magnetic suspension vehicle.
Fig. 2 is a schematic structural diagram of the suspension frame unit operation performance test bed of the medium-low speed maglev vehicle.
Fig. 3 is the structure schematic diagram of the assembled F-shaped track, hydraulic adjusting device, vibration sensor and suspension frame unit in the present invention.
Fig. 4 is an application schematic diagram of the suspension frame unit operation performance test bed of the medium-low speed maglev vehicle of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 2 to 4, the suspension frame unit operation performance test bed of the middle-low speed maglev vehicle of the present invention comprises an F-shaped track 1, a plurality of hydraulic adjusting devices 2, four vibration sensors 3 and a static pressure device 4, wherein the F-shaped track 1 is composed of a plurality of sectional F-shaped tracks, the bottom of the hydraulic adjusting device 2 is fixedly connected to the test bed, the top of the hydraulic adjusting device 2 is fixedly connected to the F-shaped track 1, and the hydraulic adjusting device 2 is used for adjusting the height and the inclination angle of the F-shaped track 1; the four vibration sensors 3 are fixedly connected to the side walls of the four suspension unit interfaces 5-1 of the suspension frame unit 5 in a one-to-one correspondence manner, and the static pressure device 4 is fixedly connected with the four suspension unit interfaces 5-1 and used for applying vertical pressure to the suspension frame unit 5.
The hydraulic adjusting device 2 can adopt a hydraulic jack, and the top end of a piston of the hydraulic adjusting device is fixedly connected with the F-shaped track 1. The hydrostatic equipment 4 employs vertical actuators.
The utility model discloses well low-speed maglev vehicle's suspension frame unit operation performance test bench during operation, through static pressure equipment 4 to 5 loading suspension frame bearing loads of suspension frame unit, the loading load of static pressure equipment 4 is controllable, simulates bearing load of suspension frame unit 5 under the different work condition. The suspension unit 5 is suspended through the electromagnet of the suspension unit 5 and the magnetic action of the sectional F-shaped track 1, the horizontal height and the inclination angle of the sectional F-shaped track 1 are adjusted through the hydraulic adjusting device 2, the influence of the irregularity of the whole F-shaped track on the operation of the suspension unit 5 is simulated, vibration data near the fixedly connected position of the suspension unit 5 and the static pressure equipment 4 are collected through the vibration sensor 3, the vibration influence of the suspension unit 5 on a vehicle body under different working conditions and track states is simulated and predicted through the vibration data, and the running state of the vehicle is evaluated.
Claims (3)
1. The test bed for the operation performance of the suspension frame unit of the medium-low speed magnetic suspension vehicle comprises an F-shaped track (1), a plurality of hydraulic adjusting devices (2), four vibration sensors (3) and a static pressure device (4), and is characterized in that the F-shaped track (1) is composed of a plurality of sectional F-shaped tracks, the bottom of each hydraulic adjusting device (2) is fixedly connected onto the test bed, the top of each hydraulic adjusting device (2) is fixedly connected with the F-shaped track (1), and each hydraulic adjusting device (2) is used for adjusting the height and the inclination angle of the F-shaped track (1); the four vibration sensors (3) are fixedly connected to the side walls of the four suspension unit interfaces (5-1) of the suspension frame unit (5) in a one-to-one correspondence mode, and the static pressure equipment (4) is fixedly connected with the four suspension unit interfaces (5-1) and used for applying vertical pressure to the suspension frame unit (5).
2. The test bed for the operation performance of the suspension unit of the medium and low speed maglev vehicle according to claim 1, characterized in that the hydraulic adjusting device (2) is a hydraulic jack, and the top end of the piston of the hydraulic adjusting device is fixedly connected with the F-shaped track (1).
3. The test bed for the operational performance of the suspension unit of a medium-low speed magnetic levitation vehicle as recited in claim 1, wherein the hydrostatic unit (4) is a vertical actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020583269.8U CN211740637U (en) | 2020-04-17 | 2020-04-17 | Test bed for operation performance of suspension frame unit of medium-low speed magnetic suspension vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020583269.8U CN211740637U (en) | 2020-04-17 | 2020-04-17 | Test bed for operation performance of suspension frame unit of medium-low speed magnetic suspension vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN211740637U true CN211740637U (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020583269.8U Active CN211740637U (en) | 2020-04-17 | 2020-04-17 | Test bed for operation performance of suspension frame unit of medium-low speed magnetic suspension vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629845A (en) * | 2020-12-21 | 2021-04-09 | 西南交通大学 | Strength test device of suspension frame framework of magnetic levitation vehicle |
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2020
- 2020-04-17 CN CN202020583269.8U patent/CN211740637U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629845A (en) * | 2020-12-21 | 2021-04-09 | 西南交通大学 | Strength test device of suspension frame framework of magnetic levitation vehicle |
| CN112629845B (en) * | 2020-12-21 | 2024-05-03 | 西南交通大学 | Intensity test device of magnetic levitation vehicle suspension frame |
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