CN112816192A - Comprehensive experiment simulation platform for testing performance of vibration reduction product of track structure - Google Patents
Comprehensive experiment simulation platform for testing performance of vibration reduction product of track structure Download PDFInfo
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- CN112816192A CN112816192A CN202011608933.0A CN202011608933A CN112816192A CN 112816192 A CN112816192 A CN 112816192A CN 202011608933 A CN202011608933 A CN 202011608933A CN 112816192 A CN112816192 A CN 112816192A
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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
- G01M13/00—Testing of machine parts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
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Abstract
The utility model relates to a track traffic technical field especially relates to a track structure damping product performance test comprehensive experiment simulation platform. The simulation platform comprises a base and a simulation track arranged on the base, the simulation track comprises an acceleration section, a test section and a deceleration section which are sequentially connected along the length direction of the simulation track and are in smooth transition, and the test section is respectively connected with the acceleration section and the deceleration section in a detachable mode. But this simulation platform quick replacement track structure damping product, the test of the track structure damping product of convenience in the laboratory carrying on swiftly.
Description
Technical Field
The utility model relates to a track traffic technical field especially relates to a track structure damping product performance test comprehensive experiment simulation platform.
Background
From the 60 s of the 20 th century, experts and scholars all over the world began to invest in related researches on damping of urban rail transit. At present, the common damping methods of urban rail transit are many and complex, and mainly comprise different modes such as subway train damping, steel rail damping, under-sleeper damping, under-track damping and the like, and a plurality of similar products are derived in the same mode. However, in practical engineering, it is difficult to find a site condition that can meet the research requirements of users, and huge manpower and material resources are consumed.
Disclosure of Invention
An object of the present disclosure is to solve at least one aspect of the above problems and disadvantages in the related art.
According to the embodiment of the disclosure, a track structure damping product performance test comprehensive experiment simulation platform is provided, the simulation platform comprises a base and a simulation track arranged on the base, the simulation track comprises an acceleration section, a test section and a deceleration section which are sequentially connected along the length direction of the simulation track and are in smooth transition, and the test section is respectively connected with the acceleration section and the deceleration section in a detachable mode.
According to an exemplary embodiment of the present disclosure, the simulation platform further includes a deceleration unit including a sensor, a deceleration control unit, and a deceleration electromagnet pre-buried at a position of the base corresponding to the deceleration section, the sensor being disposed at a side of the deceleration section near the test section, the sensor being configured to detect whether a simulated vehicle arrives, the deceleration control unit being configured to control the deceleration electromagnet to attract the simulated vehicle based on a detection result of the sensor to assist deceleration of the simulated vehicle.
According to an exemplary embodiment of the disclosure, the deceleration unit further comprises a first bumper connected to the base, the first bumper being disposed at an end of the deceleration section remote from the test section, and the first bumper being configured to block the simulated vehicle.
According to an exemplary embodiment of the present disclosure, the simulation platform further includes a homing unit including two rows of vertical roller assemblies disposed at both sides of the base in a lateral direction of the simulation rail, the vertical roller assemblies being movable in the lateral direction of the simulation rail to clamp the simulation vehicle, and rotatably connected with the base to transport the simulation vehicle to a predetermined position of the simulation rail in a length direction.
According to an exemplary embodiment of the present disclosure, the vertical roller assembly includes a vertical roller, a sleeve, and a rotating shaft, the rotating shaft is inserted into the sleeve and can rotate relative to the sleeve, a top end of the rotating shaft is connected to the vertical roller, and both sides of the base are provided with slideways for the sleeve to move laterally.
According to an exemplary embodiment of the present disclosure, the vertical roller assembly further includes a driver for driving the vertical roller to rotate.
According to an exemplary embodiment of the present disclosure, the vertical roller assembly further comprises a driving device for driving the vertical roller assembly to move laterally, the driving device comprising an inner electromagnet and an outer electromagnet disposed in a lateral direction of the base, the inner electromagnet configured to, when energized, generate an attractive force on the vertical roller assembly to move the vertical roller assembly to a side of the chute proximate to a centerline of the simulated track to effect gripping of the simulated vehicle, the outer magnet configured to, when energized, generate an attractive force on the vertical roller assembly to move the vertical roller assembly to a side of the base distal from the centerline of the simulated track to avoid affecting passage of the simulated vehicle.
According to an exemplary embodiment of the disclosure, the simulation platform further comprises a second bumper connected to the base, the second bumper being disposed at an end of the acceleration section away from the test section and being used for blocking or releasing the simulation vehicle.
According to an exemplary embodiment of the disclosure, the simulation platform further comprises a speed scale disposed at the location of the second gear, the speed scale being configured to record a speed at which the simulated vehicle passes through the test section when the simulated vehicle is released at the location of the second gear.
According to an exemplary embodiment of the present disclosure, the simulation rail is detachably connected to the base.
According to the track structure damping product performance test comprehensive experiment simulation platform disclosed by the various embodiments, track structure damping products can be quickly replaced, the influences of different vehicle types, vehicle speeds and the like on damping effects can be analyzed, and the rapid test of the track structure damping products can be conveniently carried out in a laboratory.
Drawings
Fig. 1 is a schematic structural diagram of a track structure damping product performance test comprehensive experiment simulation platform according to an exemplary embodiment of the present disclosure.
Fig. 2 is a schematic structural diagram of a test section of a track structure damping product performance test comprehensive experiment simulation platform according to an exemplary embodiment of the present disclosure.
Detailed Description
While the present disclosure will be fully described with reference to the accompanying drawings, which contain preferred embodiments of the disclosure, it should be understood, prior to this description, that one of ordinary skill in the art can modify the inventions described herein while obtaining the technical effects of the present disclosure. Therefore, it should be understood that the foregoing description is a broad disclosure directed to persons of ordinary skill in the art, and that there is no intent to limit the exemplary embodiments described in this disclosure.
Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in schematic form in order to simplify the drawing.
According to the general inventive concept of the present disclosure, a track structure vibration reduction product performance test comprehensive experiment simulation platform is provided, the simulation platform comprises a base and a simulation track arranged on the base, the simulation track comprises an acceleration section, a test section and a deceleration section which are sequentially connected along the length direction of the simulation track and are in smooth transition, and the test section is detachably connected with the acceleration section and the deceleration section respectively.
As shown in fig. 1 and fig. 2, the track structure damping product performance test comprehensive experiment simulation platform according to an exemplary embodiment of the present disclosure includes a base 16 and a simulation track 19 disposed on the base 16, where the simulation track 19 includes an acceleration section 2, a test section 3, and a deceleration section 4, which are sequentially connected and smoothly transited along a length direction of the simulation track, and the test section 3 is detachably connected with the acceleration section 2 and the deceleration section 4, respectively. Can make the change of whole track structure product complete in experimental section 3 like this to can realize the capability test of multiple different track structure damping products fast conveniently in the laboratory.
According to an exemplary embodiment of the present disclosure, as shown in fig. 1 and 2, the simulation platform further includes a deceleration unit including a sensor 9, a deceleration control unit, and a deceleration electromagnet 6, the deceleration electromagnet 6 is pre-embedded in a portion of the base 16 corresponding to the deceleration section 4, the sensor 9 is disposed on the base 16 and is located at a side of the deceleration section 4 close to the test section 3, the sensor 9 is configured to detect whether the simulated vehicle 1 arrives, and the deceleration control unit controls the deceleration electromagnet 6 to generate an attractive force based on a detection result of the sensor 9 to attract the simulated vehicle 1, thereby assisting the simulated vehicle 1 to decelerate.
Specifically, the sensor 9 may be, for example, a photoelectric sensor, an infrared sensor, or the like, and the deceleration control unit includes an electromagnetic relay 10 and a power supply source 13. The sensor 9 is connected with an electromagnetic relay 10 via a first connecting line 11, the electromagnetic relay 10 is connected with a power supply source 13 via a second connecting line 12, the power supply source 13 is connected with the deceleration electromagnet 6 via a third connecting line 14, when the train passes through the test section 3 and passes through the position of the sensor 9, the sensor 9 detects a signal simulating the passing of the vehicle 1 and sends the signal to the electromagnetic relay 10, and then the electromagnetic relay 10 controls the power supply source 13 to supply power to the deceleration electromagnet 6, so that the deceleration electromagnet 6 generates an attractive force to attract the simulated vehicle 1 (for example, the wheels of the simulated vehicle 1), thereby helping the simulated vehicle 1 to realize automatic deceleration.
According to an exemplary embodiment of the present disclosure, as shown in fig. 1, the speed reduction unit further includes a first bumper 5 connected to the base 16, the first bumper 5 is disposed at an end of the speed reduction section 4 away from the test section 3, and the first bumper 5 is configured to block the simulated vehicle 1. For example, when the initial speed of the train is fast and the deceleration electromagnet 6 is not enough to reduce the speed to 0, the first gear 5 can be used to forcibly decelerate the simulated vehicle 1.
According to an exemplary embodiment of the present disclosure, as shown in fig. 1 and 2, the simulation platform further includes a homing unit including two rows of vertical roller assemblies disposed at both sides of the base 16 in a lateral direction of the simulation rail 19, each of the vertical roller assemblies being movable in the lateral direction of the base 16 to grip the simulation vehicle 1, each of the vertical roller assemblies being rotatably connected with the base 16 to transport the simulation vehicle 1 to a predetermined position in a lengthwise direction of the simulation rail 19, thereby enabling automatic homing of the simulation vehicle 1 for a next test. Specifically, as shown in fig. 2, the vertical roller assembly includes a vertical roller 15, a sleeve 20, and a rotating shaft 21, the rotating shaft 21 is inserted into the sleeve 20 and can rotate relative to the sleeve 20, the top end of the rotating shaft 21 is connected to the vertical roller 15, and two sides of the base 16 are provided with slideways 17 for the sleeve 20 to move laterally. When the simulated vehicle 1 is planned to be returned to the initial position, the simulated vehicle 1 on the simulated rail 19 is gripped by laterally moving the vertical roller assemblies to the side of the slide 17 near the center line of the simulated rail 19, and then the two rows of vertical roller assemblies are turned to transport the simulated vehicle 1 to a predetermined position in the lengthwise direction of the simulated rail 19. In this embodiment, the lateral movement distance of the vertical roller assemblies on both sides of the simulated track 19 is equal, however, it will be understood by those skilled in the art that in other embodiments of the present disclosure, the lateral movement distance of the vertical roller assemblies on both sides of the simulated track 19 may not be equal, and even only the vertical roller assemblies on one side of the simulated track 19 may be moved.
According to an exemplary embodiment of the present disclosure, the vertical roller assembly further includes a driver 24 for driving the vertical roller 15 to rotate.
According to an exemplary embodiment of the present disclosure, as shown in fig. 2, the vertical roller assembly further includes a driving device for driving the vertical roller assembly to move laterally, the driving device including an electromagnet 18 (including an outer electromagnet 18A and an inner electromagnet 18B) disposed in the lateral direction of the base 16 and a control unit 23 controlling whether the electromagnet 18 is energized, the outer electromagnet 18A being configured to generate an attractive force to the sleeve 20 of the vertical roller assembly when energized to move the vertical roller assembly to a side of the chute 17 away from the centerline of the simulation track 19, thereby avoiding affecting the normal passage of the simulation vehicle 1; the inboard electromagnet 18B is configured to, when energized, create an attractive force on the sleeve 20 of the vertical roller assembly to move the vertical roller assembly to the side of the ramp 17 near the centerline of the simulated track 19 to effect a grip on the simulated vehicle 1.
According to an exemplary embodiment of the disclosure, as shown in fig. 1, the simulation platform further comprises a second gear 7, for example in the form of a gear lever, connected to the base 16, which second gear 7 is arranged at the end of the acceleration section 21 remote from the test section 3 and is used to block the simulated vehicle 1 and can release the simulated vehicle 1 when the second gear 7 is opened.
According to an exemplary embodiment of the present disclosure, as shown in fig. 1, the simulation platform further comprises a speed scale 8 provided at the location of the second gear 7, the speed scale 8 being configured to record the speed of the simulated vehicle 1 when passing the test section 3 when the second gear 7 releases the simulated vehicle 1.
According to an exemplary embodiment of the present disclosure, as shown in fig. 1, the simulated rail 19 is removably connected to the base 16, such as by bolts 22. In this way, when the entire simulation rail 19 is replaced, the bolts 22 connecting the base 16 and the simulation rail 19 are removed with the base 16 kept unchanged, and the original simulation rail 19 may be replaced with a new simulation rail 19. In addition, in some other embodiments of the present disclosure, the base 16 includes a first portion, a second portion and a third portion, which are connected in sequence along the length direction of the simulation track 19 and have smooth transition of the top surface, wherein the first portion corresponds to the acceleration section 2 of the simulation track 19, the second portion corresponds to the test section 3 of the simulation track 19, and the third portion corresponds to the deceleration section 4 of the simulation track 19, wherein the first portion and the third portion are detachably connected to the second portion respectively. In this way, different first and/or third parts can be exchanged, so that the simulated vehicle obtains different accelerations and/or decelerations, thereby increasing the versatility of the simulation platform.
According to the track structure damping product performance test comprehensive experiment simulation platform disclosed by the various embodiments, track structure damping products can be quickly replaced, the influences of different vehicle types, vehicle speeds and the like on damping effects can be analyzed, and the rapid test of the track structure damping products can be conveniently carried out in a laboratory. In addition, the simulation platform can realize automatic deceleration and homing of the simulated vehicle.
It will be appreciated by those skilled in the art that the embodiments described above are exemplary and can be modified by those skilled in the art, and that the structures described in the various embodiments can be freely combined without conflict in structure or principle.
Having described preferred embodiments of the present disclosure in detail, it will be apparent to those skilled in the art that various changes and modifications may be made without departing from the scope and spirit of the appended claims, and the disclosure is not limited to the exemplary embodiments set forth herein.
Claims (10)
1. The utility model provides a track structure damping product performance test comprehensive experiment simulation platform, its characterized in that, simulation platform includes the base and sets up simulation track on the base, simulation track includes along its length direction connect gradually and smooth transition's acceleration section, test section and deceleration section, the test section respectively with the acceleration section the deceleration section can be dismantled and connect.
2. The simulation platform of claim 1, further comprising a deceleration unit comprising a sensor, a deceleration control unit and a deceleration electromagnet pre-buried at a position of the base corresponding to the deceleration section, the sensor being disposed at a side of the deceleration section near the test section, the sensor being configured to detect whether a simulated vehicle arrives, the deceleration control unit being configured to control the deceleration electromagnet to attract the simulated vehicle based on a detection result of the sensor to assist deceleration of the simulated vehicle.
3. The simulation platform of claim 2, wherein the deceleration unit further comprises a first bumper coupled to the base, the first bumper being disposed at an end of the deceleration section distal from the test section, and the first bumper being configured to block the simulated vehicle.
4. The simulation platform of claim 2, further comprising a homing unit including two rows of vertical roller assemblies disposed at both sides of the base in a lateral direction of the simulation rail, each of the vertical roller assemblies being movable in the lateral direction of the simulation rail to grip the simulation vehicle, and each of the vertical roller assemblies being rotatably connected with the base to transport the simulation vehicle to a predetermined position of the simulation rail in a lengthwise direction.
5. The simulation platform of claim 4, wherein the vertical roller assembly comprises a vertical roller, a sleeve and a rotating shaft, the rotating shaft is inserted in the sleeve and can rotate relative to the sleeve, the top end of the rotating shaft is connected with the vertical roller, and the two sides of the base are provided with slideways for the sleeve to move transversely.
6. The simulation platform of claim 5, wherein the vertical roller assembly further comprises a drive for driving rotation of the vertical roller.
7. The simulation platform of claim 5, wherein the vertical roller assembly further comprises a drive device for driving the vertical roller assembly to move laterally, the drive device comprising an inner electromagnet and an outer electromagnet disposed in a lateral direction of the base, the inner electromagnet configured to, when energized, exert an attractive force on the vertical roller assembly to move the vertical roller assembly to a side of the chute proximate the centerline of the simulation track to effect gripping of the simulation vehicle, the outer magnet configured to, when energized, exert an attractive force on the vertical roller assembly to move the vertical roller assembly to a side of the base distal the centerline of the simulation track to avoid affecting the passage of the simulation vehicle.
8. The simulation platform of claim 1, further comprising a second bumper attached to the base, the second bumper being disposed at an end of the acceleration section remote from the test section and configured to block or release the simulated vehicle.
9. The simulation platform of claim 8, further comprising a speed scale disposed at the location of the second gear, the speed scale configured to record a speed at which the simulated vehicle passes through the test segment when released at the location of the second gear.
10. The simulation platform of any one of claims 1 to 9, wherein the simulation rail is removably coupled to the base.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011608933.0A CN112816192B (en) | 2020-12-29 | 2020-12-29 | Comprehensive experiment simulation platform for testing performance of vibration reduction product of track structure |
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| CN202011608933.0A CN112816192B (en) | 2020-12-29 | 2020-12-29 | Comprehensive experiment simulation platform for testing performance of vibration reduction product of track structure |
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| CN112816192A true CN112816192A (en) | 2021-05-18 |
| CN112816192B CN112816192B (en) | 2022-09-13 |
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| CN112816192B (en) | 2022-09-13 |
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Effective date of registration: 20230728 Address after: 100070 yard 3, Yuren South Road, Fengtai District, Beijing Patentee after: Beijing Jiuzhou first rail Environmental Technology Co.,Ltd. Patentee after: BEIJING URBAN RAPID CONSTRUCTION ADMINISTRATION Co.,Ltd. Address before: 100070 No.32 Guangmao Road, Doudian Town, Fangshan District, Beijing Patentee before: Beijing Jiuzhou first rail Environmental Technology Co.,Ltd. |