CN112575631A - Wired intelligent track traffic floating slab track bed shock absorber - Google Patents
Wired intelligent track traffic floating slab track bed shock absorber Download PDFInfo
- Publication number
- CN112575631A CN112575631A CN202110097364.6A CN202110097364A CN112575631A CN 112575631 A CN112575631 A CN 112575631A CN 202110097364 A CN202110097364 A CN 202110097364A CN 112575631 A CN112575631 A CN 112575631A
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- CN
- China
- Prior art keywords
- bus
- control core
- core system
- track bed
- floating slab
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- 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.)
- Pending
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
- E01B19/003—Means for reducing the development or propagation of noise
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
- B61K9/08—Measuring installations for surveying permanent way
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40215—Controller Area Network CAN
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40267—Bus for use in transportation systems
- H04L2012/40293—Bus for use in transportation systems the transportation system being a train
Abstract
The invention provides a wired intelligent rail transit floating slab track bed shock absorber which comprises an upper cover plate, an electric bin, an upper platform, a stress sensor, a lower platform and a shock absorber, wherein the stress sensor is positioned between the upper platform and the lower platform, and a power supply wire hole is formed in the side surface of an installation sleeve; the stress sensor is connected with the analog-to-digital converter, the analog-to-digital converter is connected with the master control core system, the master control core system is connected with the battery management system, the analog-to-digital converter, the master control core system and the battery management system are arranged in the electric bin, the master control core system is connected with a KNX bus, a CAN bus and a 485 bus, and the KNX bus, the CAN bus and the 485 bus penetrate through a power supply wire hole to be connected with a gateway outside the electric bin; the online power supply is adopted for supplying power, and the monitored heartbeat data can be monitored online in all weather without limit according to the monitoring requirement and the set monitoring frequency, time period and heartbeat data; the temperature and humidity detection device has the functions of temperature detection and humidity detection, and can prevent water condensation and water inflow from damaging related electronic equipment and prevent the electric leakage risk caused by the reduction of the insulating property.
Description
Technical Field
The invention relates to the technical field of shock absorbers, in particular to a shock absorber for a wired intelligent rail transit floating slab track bed.
Background
The track traffic floating slab track bed vibration damper has a long application history, mainly comprises a mechanical spring vibration damper and a rubber vibration damper, and has the following problems in the prior art:
1: because the parameter quantity of when, where and how much damage can not be accurately known by the semi-embedded structure design of the shock absorber, huge workload and uncertainty are brought to detection, investigation and maintenance.
2: the troubleshooting of the fault points needs experienced manual work one by one, and the workload and the labor cost are increased.
3: after the installation point position of the fault shock absorber is determined, the specific sinking data of the shock absorber of the floating plate track bed cannot be measured because no relatively fixed and unchangeable reference point exists, or the data are inaccurate.
4: even if the existing fault point is determined, the starting point time and the duration time of the past fault cannot be traced; no prerequisite parameters for management and equipment guarantees can be taken.
5: the existing shock absorber only can play a role in damping shock, and cannot monitor partial running states of a vehicle.
6: the risk of driving safety is increased because the time blind spot cannot be noticed after the shock absorber fails for a long time.
7: the existing shock absorbers with partial electronic monitoring function have complex and huge engineering quantities such as wiring.
Disclosure of Invention
The invention aims to provide a damper for a wired intelligent rail transit floating slab track bed.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the wired intelligent rail transit floating slab track bed shock absorber is characterized by comprising an upper cover plate, an electrical bin, an upper platform, a stress sensor, a lower platform and a shock absorber, wherein the upper cover plate, the electrical bin, the upper platform, the sensor, the lower platform and the shock absorber are sequentially arranged inside a mounting sleeve from top to bottom;
wherein, force sensor is connected with analog-to-digital converter, analog-to-digital converter and main control core system are connected, main control core system is connected with battery management system, analog-to-digital converter, main control core system and battery management system all set up in the electric storehouse, main control core system has connect KNX bus, CAN bus and 485 bus, KNX bus, CAN bus and 485 bus pass the power wire hole and are connected with gateway and server outside the electric storehouse, main control core system is equipped with the USB interface, main control core system is connected with thermodetector, moisture detector and acceleration detector respectively, the electric storehouse is supplied power by the power supply line, and the power supply line passes the power wire hole is connected to the electric storehouse.
Furthermore, the main control core system comprises an ARM processor, a central processing unit, a read-only memory, a flash memory, an FPGA module and a digital signal processor.
Further, the battery management system is connected with a standby battery.
Furthermore, a hydraulic jacking plate is arranged on the inner edge of the upper end of the mounting sleeve in a protruding mode, and the upper cover plate and the hydraulic jacking plate are fixed through a top plate mounting bolt.
Furthermore, the shock absorber comprises an outer steel barrel, an upper end cover and a positioning shaft, the positioning shaft vertically penetrates through the upper end cover and is arranged in the center of the outer steel barrel, the height of the upper portion of the positioning shaft is locked through a positioning nut, and a damping piston is sleeved on the outer side of the positioning shaft.
Furthermore, a positioning base is arranged at the bottom of the shock absorber, a positioning recess is arranged in the center of the positioning base, and the lower part of the positioning shaft is inserted into the positioning recess.
Furthermore, the outer side of the positioning shaft is sleeved with a damping spring, and the upper end and the lower end of the damping spring are respectively contacted with the upper end cover and the bottom of the damper.
Further, the upper platform and the upper end cover are locked through a first bolt, an upper bolt penetrates through the outer side of the upper cover plate from top to bottom, a stress plate is arranged on the upper portion in the mounting sleeve, and the upper platform is connected with the stress plate through a second bolt.
Further, be equipped with battery module and PCBA module in the electric storehouse, the upper end in electric storehouse is sealed through electric storehouse apron.
The invention adopts an online power supply to supply power, and can monitor heartbeat data in an unlimited and all-weather online manner according to monitoring requirements and monitoring frequency, time period and monitoring heartbeat data;
the invention has the functions of temperature detection and humidity detection, and can prevent the water condensation and the water inflow from damaging related electronic equipment and prevent the electric leakage risk caused by the reduction of the insulating property; after the acquisition and operation are finished, the data CAN be directly transmitted to a local gateway server through a CAN bus technology or a 485 protocol, or the data CAN be firstly formed into a group queue to be sent, and the key gateway node equipment CAN send the message to a public network cloud server after obtaining the message; after data acquisition and processing are finished, a user can check monitoring data at any time and any place at a mobile terminal or a computer terminal by using a mobile phone App.
Drawings
FIG. 1 is a schematic disassembled view of the present invention;
FIG. 2 is a schematic structural view of the shock absorber of the present invention;
fig. 3 is a system diagram of a master control core system and a force sensor according to the present invention.
Reference numerals:
1 upper cover plate, 2 hydraulic jacking plates, 3 electric bins, 4 upper platforms, 5 stress sensors,
6 lower platform, 7 shock absorber, 8 mounting sleeve, 9 outer steel drum, 10 upper end cover,
11 positioning shafts, 12 positioning nuts, 13 damping pistons, 14 positioning bases, 15 positioning recesses,
16 damping springs, 17 power supply wire holes, 18 KNX bus, 19 CAN bus, 20485 bus,
21 gateway, 22 stress plate, 23 first bolt, 24 second bolt, 25 top plate mounting bolt,
26 PCBA bolts, 27 battery modules, 28 PCBA modules, 29 electric cabin cover plates,
30A/D converter, 31 main control core system, 32 battery management system, 33 spare battery,
34 USB interface, 35 temperature detector, 36 humidity detector, 37 acceleration detector,
38 concrete pouring lugs, 39 sleeve lugs, 40 electric bin bolts, 41 fixed base,
The boss is positioned 42.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention discloses a wired intelligent rail transit floating slab track bed shock absorber, which comprises an upper cover plate 1, an electrical cabin 3, an upper platform 4, a stress sensor 5, a lower platform 6 and a shock absorber 7, wherein the upper cover plate 1, the electrical cabin 3, the upper platform 4, the sensor, the lower platform 6 and the shock absorber 7 are sequentially arranged in an installation sleeve 8 from top to bottom, the stress sensor 5 is positioned between the upper platform 4 and the lower platform 6, and a power supply wire hole 17 is formed in the side surface of the installation sleeve 8.
As shown in fig. 2, a fixing base 41 is further disposed below the damper 7, a positioning protrusion 42 is convexly disposed at an upper end of the fixing base 41, and the positioning protrusion 42 is engaged with a recess at the bottom of the damper 7.
As shown in fig. 3, the force sensor 5 is connected to an analog-to-digital converter 30, the analog-to-digital converter 30 is an 8-channel 16-bit analog-to-digital converter, the analog-to-digital converter 30 is connected to a main control core system 31, the main control core system 31 is connected to a battery management system 32, and the analog-to-digital converter 30, the main control core system 31, and the battery management system 32 are all disposed in the electrical cabin 3.
The master control core system 31 has connect KNX bus 18, CAN bus 19 and 485 bus 20, KNX bus 18, CAN bus 19 and 485 bus 20 pass power wire hole 17 and are connected with gateway 21 and server outside the electric storehouse 3, master control core system 31 is equipped with USB interface 34, master control core system 31 is connected with thermodetector 35, moisture detector 36 and acceleration detector 37 respectively, electric storehouse 3 is supplied power by the power supply line, and the power supply line passes power wire hole 17 is connected to electric storehouse 3.
The main control core system 31 comprises an ARM processor, a central processing unit, a read-only memory, a flash memory, an FPGA module and a digital signal processor, the battery management system 32 is connected with a standby battery 33, and the standby battery 33 is installed in the electrical cabin 3.
As shown in fig. 2, a hydraulic jacking plate 2 is convexly arranged on the inner edge of the upper end of the mounting sleeve 8, and the upper cover plate 1 and the hydraulic jacking plate 2 are fixed through a top plate mounting bolt 25.
The shock absorber 7 comprises an outer steel barrel 9, an upper end cover 10 and a positioning shaft 11, the positioning shaft 11 vertically penetrates through the upper end cover 10 and is arranged in the center of the outer steel barrel 9, the upper portion of the positioning shaft 11 is sleeved with a positioning nut 12, the positioning nut 12 limits the downward movement range of the positioning shaft 11, and the outer side of the positioning shaft 11 is sleeved with a damping piston 13.
As shown in fig. 1, a plurality of dry concrete pouring lugs 38 are circumferentially arranged in the middle of the outer side of the outer steel barrel 9, and a plurality of sleeve foot lugs 39 are circumferentially arranged in the lower part of the outer side of the outer steel barrel 9.
The bottom of the shock absorber 7 is provided with a positioning base 14, the center of the positioning base 14 is provided with a positioning recess 15, and the lower part of the positioning shaft 11 is inserted into the positioning recess 15.
And a damping spring 16 is sleeved on the outer side of the positioning shaft 11, and the upper end and the lower end of the damping spring 16 are respectively contacted with the upper end cover 10 and the bottom of the damper 7.
The upper platform 4 and the upper end cover 10 are locked through a first bolt 23, an upper bolt penetrates through the outer side of the upper cover plate 1 from top to bottom, a stress plate 22 is arranged on the upper portion in the mounting sleeve 8, and the upper platform 4 is connected with the stress plate 22 through a second bolt 24.
Be equipped with battery module 27 and PCBA module 28 in the electricity gas storehouse 3, the upper end of electricity gas storehouse 3 is sealed through electric storehouse apron 29, electric storehouse apron 29 passes through the upper edge fixed connection of electric storehouse bolt 40 with electric storehouse 3, battery module 27 includes 10 sections 18650 lithium cells.
The invention adds the stress sensor 5 of 20K-1MN between the core module of the shock absorber 7 of the conventional floating slab track bed shock absorber 7 and the pre-embedded mounting sleeve 8 of the shock absorber 7, and the specific numerical model of the stress sensor 5 is adjusted along with the application in practice; after being installed in place, the vibration isolator is connected into a signal processing circuit in the electrical bin 3, stress data are read under the working state of the stress sensor 5, the stress condition is calculated according to a built-in algorithm to monitor the pressure of an upper vehicle and the elasticity of a lower spring to confirm the working state of a spring of the vibration isolator 7, and data such as the frequency, the amplitude and the like of output vibration can be collected; under the group working mode, comprehensively calculating the state of the upper running vehicle, such as weight, overload, balance, speed and the like by reading the data obtained by the plurality of shock absorbers 7;
the invention adopts an online power supply to supply power, and can monitor heartbeat data in an unlimited all-weather online manner according to monitoring requirements and monitoring frequency, time period and monitoring heartbeat data; in the scheme of the invention, the power supply of the stress sensor 5 is closed through the battery management system 32 as required at proper time, and the built-in acceleration sensor is used for monitoring the vibration data, so that the energy is saved, and the heat dissipation power consumption is reduced.
The temperature and humidity detection device has the functions of temperature detection and humidity detection, can detect the temperature and humidity change in the rail transit tunnel based on the functions, and prevents the electric leakage risk caused by damage of related electronic equipment due to condensation and inflow water and reduction of the insulating property in advance.
The data of the invention CAN be directly transmitted to a local gateway server end through a CAN bus 19 or a 485 protocol after the acquisition and operation are finished, or CAN be firstly formed into a group queue for transmission, and CAN be transmitted to a public network cloud server after key gateway node equipment obtains a message; whether a cloud architecture is adopted or a local server is defined according to deployment requirements, and in addition, a KNX bus 18 scheme can be adopted in a wired transmission scheme according to environment requirements.
After the data acquisition and processing are finished, a user can check the monitoring data at any time and any place by using a mobile phone App of the mobile terminal, and can also set an alarm valve value data to trigger an alarm condition and then inform relevant monitoring personnel to respond in time.
As shown in fig. 2, the upper end cap 10 of the shock absorber 7 and the damping piston 13 are connected by screw threads to form a fastened whole, at this time, the damping spring 16 is the only movable flexible solid part on the fastened whole, the upper and lower moving range of the damping spring 16 is restricted by the upper and lower distances of the upper end cap 10 and the bottom plate of the shock absorber 7, and the central position is restricted by the penetration of the positioning shaft 11; after the positioning shaft 11 passes through the center hole of the damping piston 13 and the center hole of the upper end cap 10, the positioning nut 12 is fixed on the thread at the other end, and the whole is connected into a telescopic shock absorber 7 assembly, and the telescopic distance is set by the elasticity and the combination of the positioning nut 12 and the shock absorbing spring 16 according to specific application.
In specific implementation, less than 2Kg of damping liquid polyisobutylene liquid is added into the cavity of the shock absorber 7, and the shock absorber 7 is sealed by a sealing ring made of butadiene-acrylonitrile rubber and a sealing ring made of stainless steel, so that the polyisobutylene liquid is prevented from flowing out when the shock absorber 7 inclines or is carried, and the time for the shock absorbing spring 16 to retract is prolonged.
When the upper end cover 10 is subjected to enough pressure and weight applied by the floating slab track bed through the stress plate 22 and the top plate gasket of the mounting sleeve 8, the upper end cover 10 is downwards displaced and compressed along the center of the positioning shaft 11 under the elastic support of the damping spring 16, and the damping piston 13 is downwards displaced at the moment, so that the displacement time is prolonged due to the damping action of the damping liquid polyisobutylene, the displacement increment is smooth, the sleeve formed by the stress plate 22 and the floating slab track bed are not stressed by suddenly collapsing acceleration, and the smooth running of a running train is ensured; after the stress is relieved, the damping spring 16 extends to the initial position, the damping piston 13 and the upper end cover 10 move upwards and return to the original path, and the actions are repeated after the next stress is applied.
In the initial setting of the above actions, top plate spacers with different thicknesses are additionally installed and replaced above the upper end cover 10 to set the jacking height of the floating slab track bed, and the specific height is planned by the design of rail transit according to the environment, wherein the upper end cover 10 is provided with bolt through holes, the upper end cover 10 is fixed on the stressed plate 22 of the damper 7 through torque-proof positioning bolts, namely second bolts 24, and the bolt is integrally formed with the mounting sleeve 8 and the concrete poured floating slab track bed, so that the situation that the damper 7 is separated from the mounting hole after rotating 120 degrees in vibration to cause mounting failure is prevented.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. The wired intelligent rail transit floating slab track bed shock absorber is characterized by comprising an upper cover plate, an electrical bin, an upper platform, a stress sensor, a lower platform and a shock absorber, wherein the upper cover plate, the electrical bin, the upper platform, the sensor, the lower platform and the shock absorber are sequentially arranged inside a mounting sleeve from top to bottom;
wherein, force sensor is connected with analog-to-digital converter, analog-to-digital converter and main control core system are connected, main control core system is connected with battery management system, analog-to-digital converter, main control core system and battery management system all set up in the electric storehouse, main control core system has connect KNX bus, CAN bus and 485 bus, KNX bus, CAN bus and 485 bus pass the power wire hole and are connected with gateway and server outside the electric storehouse, main control core system is equipped with the USB interface, main control core system is connected with thermodetector, moisture detector and acceleration detector respectively, the electric storehouse is supplied power by the power supply line, and the power supply line passes the power wire hole is connected to the electric storehouse.
2. The wired intelligent rail transit floating slab track bed damper as claimed in claim 1, wherein the master control core system comprises an ARM processor, a central processing unit, a read only memory, a flash memory, an FPGA module and a digital signal processor.
3. The wired intelligent rail transit floating slab track bed damper as recited in claim 1, wherein the battery management system is connected with a backup battery.
4. The wired intelligent rail transit floating slab track bed damper as claimed in claim 1, wherein a hydraulic jacking plate is protruded from an inner edge of an upper end of the mounting sleeve, and the upper cover plate and the hydraulic jacking plate are fixed by a top plate mounting bolt.
5. The wired intelligent rail transit floating slab track bed damper as claimed in claim 1, wherein the damper comprises an outer steel barrel, an upper end cover and a positioning shaft, the positioning shaft vertically penetrates through the upper end cover and is arranged in the center of the outer steel barrel, the upper portion of the positioning shaft is locked in height through a positioning nut, and a damping piston is sleeved on the outer side of the positioning shaft.
6. The wired intelligent rail transit floating slab track bed damper as claimed in claim 5, wherein a positioning base is provided at the bottom of the damper, a positioning recess is provided at the center of the positioning base, and the lower part of the positioning shaft is inserted into the positioning recess.
7. The wired intelligent rail transit floating slab track bed damper as claimed in claim 5, wherein a damping spring is sleeved outside the positioning shaft, and the upper end and the lower end of the damping spring are respectively in contact with the upper end cover and the bottom of the damper.
8. The wired intelligent rail transit floating slab track bed damper as claimed in claim 5, wherein the upper platform and the upper end cover are locked together by a first bolt, the upper bolt penetrates through the upper and lower parts of the outer side of the upper cover plate, the upper part in the mounting sleeve is provided with a stress plate, and the upper platform is connected with the stress plate by a second bolt.
9. The wired intelligent rail transit floating slab track bed damper as claimed in claim 1, wherein a battery module and a PCBA module are arranged in the electric bin, and the upper end of the electric bin is sealed by an electric bin cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110097364.6A CN112575631A (en) | 2021-01-25 | 2021-01-25 | Wired intelligent track traffic floating slab track bed shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110097364.6A CN112575631A (en) | 2021-01-25 | 2021-01-25 | Wired intelligent track traffic floating slab track bed shock absorber |
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| CN112575631A true CN112575631A (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110097364.6A Pending CN112575631A (en) | 2021-01-25 | 2021-01-25 | Wired intelligent track traffic floating slab track bed shock absorber |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216634A (en) * | 2021-11-16 | 2022-03-22 | 东南大学 | Online monitoring and evaluating method for vibration damping performance of floating slab track |
| CN117328301A (en) * | 2023-10-09 | 2024-01-02 | 中铁十六局集团铁运工程有限公司 | Composite rubber spring in vibration isolator for floating slab track |
| CN117328301B (en) * | 2023-10-09 | 2024-05-10 | 中铁十六局集团铁运工程有限公司 | Composite rubber spring in vibration isolator for floating slab track |
-
2021
- 2021-01-25 CN CN202110097364.6A patent/CN112575631A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216634A (en) * | 2021-11-16 | 2022-03-22 | 东南大学 | Online monitoring and evaluating method for vibration damping performance of floating slab track |
| CN114216634B (en) * | 2021-11-16 | 2024-02-06 | 东南大学 | Online monitoring and evaluating method for vibration damping performance of floating slab track |
| CN117328301A (en) * | 2023-10-09 | 2024-01-02 | 中铁十六局集团铁运工程有限公司 | Composite rubber spring in vibration isolator for floating slab track |
| CN117328301B (en) * | 2023-10-09 | 2024-05-10 | 中铁十六局集团铁运工程有限公司 | Composite rubber spring in vibration isolator for floating slab track |
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