CN2709498Y - Rail expansion monitoring instrument - Google Patents
Rail expansion monitoring instrument Download PDFInfo
- Publication number
- CN2709498Y CN2709498Y CN 200320108654 CN200320108654U CN2709498Y CN 2709498 Y CN2709498 Y CN 2709498Y CN 200320108654 CN200320108654 CN 200320108654 CN 200320108654 U CN200320108654 U CN 200320108654U CN 2709498 Y CN2709498 Y CN 2709498Y
- Authority
- CN
- China
- Prior art keywords
- sensor
- rail
- displacement
- main frame
- monitoring
- 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.)
- Expired - Fee Related
Links
Landscapes
- Testing Or Calibration Of Command Recording Devices (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The utility model belongs to the technical field for automatically measuring the straight-line displacement, in particular to a rail expansion monitoring instrument which comprises the main machine of the monitoring instrument and a sensor connected with the main machine. The sensor comprises a temperature sensor and a displacement sensor which are installed on a rail, the main machine comprises a single chip microprocessor, an analog/digital converter and a signal input end, and the above temperature sensor and the displacement sensor are connected to the signal input end of the main machine though a line. Due to the above structure, the utility model solves the technical problems that the rail monitoring instrument of the prior art is only provided with a straight-line displacement sensor and an inclination angle sensor and has weak monitoring pertinence for the size of the displacement in time in the range of key rail temperature, and the rail expansion monitoring instrument can be used for monitoring the rail longitudinal expansion on an orbit, is suitable for being used for monitoring the displacement of super-long gapless line rail and in particular adapts to monitoring the displacement of the elevated orbit.
Description
[technical field]
The utility model belongs to straight-line displacement automatic measurement technology field, and particularly a kind of rail longitudinal extension amount that is used to monitor on the track is applicable to the seamless track steel rail displacement of super long type is monitored, and especially is suitable for the instrument of the displacement monitoring of aerial conveyor.
[background technology]
Rail is influenced by temperature and stretches, and for identifying whether displacement is normal, must regularly carry out the measurement of amount of displacement in the scope of crucial rail temperature.Present way is a manual measurement, and survey crew will could arrive measuring point through long distance, will take multiple measurements in one day high temperature or cold season, and not only labour intensity is big, and accuracy of measurement is not high, and the personal safety of survey crew also is difficult to guarantee.Along with the raising of city train operation density, the operation between the adjacent train of front and back is further shortened blanking time, and manual detection almost can't be finished the work of such danger.
CN2473089Y discloses a kind of track general measuring instrument.It is handled two parts by measurement and signal data and forms, that measure portion comprises is moving, decide meter wheel, linear displacement transducer, obliquity sensor, two sensors places in the framework, moving meter wheel is connected with linear displacement transducer by the axis of guide, deciding meter wheel is connected with frame fixation, linear displacement transducer is connected with the chip microprocessor system with obliquity sensor, by the chip microprocessor system signal of sensor is handled, realize the real-time collection and the record of data, overproof sound and light alarm.Its advantage is that precision height, efficient height, realization digitized record and transmission alleviate operation labour intensity widely.Though said apparatus has solved the problem of measuring accuracy and digitized record to a certain extent, for regularly carry out the measurement of amount of displacement in the scope of crucial rail temperature, then specific aim is not strong, and does not solve the remote transmission problem of measuring the back data.
[utility model content]
Prior art middle orbit measuring instrument to be solved in the utility model only is equiped with linear displacement transducer, obliquity sensor, and, provide a kind of rail stroke monitor for the not strong technical problem of measurement specific aim of in the scope of crucial rail temperature, regularly carrying out amount of displacement.
The technical solution of the utility model is as follows:
A kind of rail stroke monitor, comprise monitor main frame and the sensor composition that is connected with main frame, it is characterized in that: this sensor comprises temperature pick up and the displacement transducer that is installed on the rail, this main frame comprises chip microprocessor, A/D converter and signal input part, and said temperature sensor and displacement transducer are connected to the signal input part of main frame by circuit.
This monitor main frame connects four displacement transducers and a temperature pick up.
This sensor is DC current output type linear displacement transducer and temperature pick up.
This sensor is connected with the monitor main frame by shielding line.
This analog-digital converter is the analog-digital converter of ∑-△ principle.
This sensor is sealed in the waterproof case, and the joint of sensor is the aviation water joint.
This chip microprocessor is the MCS-51 Series chip.
This monitor main frame is provided with RS-232, RS-485 standard interface.
The utlity model has following advantage:
1, the utility model can all-weather ground the expansion displacement of rail carried out online in real time measure, reduced working strength of workers, guaranteed employee's life security.Survey data can read in terminal (being installed in the place of safety on the platform) or control centre at any time.
2, in the selection of sensor, adopt DC current output type linear displacement transducer and temperature pick up.
3, spot sensor links to each other with measuring system by shielding line, reduces electromagnetic crosstalk.
4, select the analog-digital converter of ∑-△ principle for use, further suppress power frequency interference and high-frequency electromagnetic and disturb, improve the antijamming capability of test macro, guarantee the reliability of survey data.
5, sensor will seal with waterproof case, and the joint of sensor will be used the aviation water joint.
6, adopt the MCS-51 Series chip as controller, supervisory keyboard interface, display interface, patrol and examine functions such as control and data processing.
[description of drawings]
Fig. 1 is the structured flowchart of the utility model rail stroke monitor.
[specific embodiment]
See also Fig. 1, it is the structured flowchart of the utility model rail stroke monitor.As shown in the figure: this monitor 1 comprises monitor main frame 11 and the sensor composition that is connected with main frame 11.This sensor comprises temperature pick up 12 and the displacement transducer 13 that is installed on the rail, this main frame 11 comprises chip microprocessor 111, A/D converter 112 and signal input part 113, and said temperature sensor 12 and displacement transducer 13 are connected to the signal input part 113 of main frame 11 by circuit 114.
This monitor main frame connects four displacement transducers 13 and a temperature pick up 12.
This sensor is DC current output type linear displacement transducer and temperature pick up.
This sensor is connected with the monitor main frame by shielding line.
This analog-digital converter is the analog-digital converter of ∑-△ principle.
This sensor is sealed in the waterproof case, and the joint of sensor is the aviation water joint.
This chip microprocessor is the MCS-51 Series chip.
A cover rail stroke monitor 1 is installed at each station, and monitor 1 main frame 11 is placed on the indoor or platform in station.Displacement transducer 12 adopts the formula structure of rebounding, and moved end not is fixed on the fixed point on ground, and on concrete sleeper, movable end couples together by the moving part of adjusting rod and adjuster, is used for the variation of the straight-line displacement of perception adjuster.The temperature pick up volume is very little, can make a call to an aperture on rail, and sensor is imbedded wherein.Spot sensor is connected to by circuit on the instrument of sight chamber, and measured information is sent into instrument; The testing staff realizes the monitoring to each steel rail displacement and temperature by the button of instrument panel, and shows with digital form.
Main frame 11 can increase RS-232, RS-485 standard interface, be equipped with MODEM, be transferred in the computer of monitoring center by telephone network or internet survey data each platform rail stroke monitor 1, by being installed in the management software in the computer, administrative staff can monitor the temperature of each rail and the steel rail displacement amount under the relevant temperature as required at any time, and analyze certain rail in different seasons, different its flexible situation of time period by survey data, draw out rail stroke figure, as the foundation of rail quality evaluation.
Claims (8)
1, a kind of rail stroke monitor, comprise monitor main frame and the sensor composition that is connected with main frame, it is characterized in that: this sensor comprises temperature pick up and the displacement transducer that is installed on the rail, this main frame comprises chip microprocessor, A/D converter and signal input part, and said temperature sensor and displacement transducer are connected to the signal input part of main frame by circuit.
2, rail stroke monitor according to claim 1 is characterized in that: this monitor main frame connects four displacement transducers and a temperature pick up.
3, rail stroke monitor according to claim 1 and 2 is characterized in that: this sensor is DC current output type linear displacement transducer and temperature pick up.
4, rail stroke monitor according to claim 1 and 2 is characterized in that: this sensor is connected with the monitor main frame by shielding line.
5, rail stroke monitor according to claim 1 and 2 is characterized in that: this analog-digital converter is the analog-digital converter of ∑-△ principle.
6, rail stroke monitor according to claim 1 and 2, it is characterized in that: this sensor is sealed in the waterproof case, and the joint of sensor is the aviation water joint.
7, rail stroke monitor according to claim 1 and 2 is characterized in that: this chip microprocessor is the MCS-51 Series chip.
8, rail stroke monitor according to claim 1 and 2 is characterized in that: this monitor main frame is provided with RS-232, RS-485 standard interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320108654 CN2709498Y (en) | 2003-12-05 | 2003-12-05 | Rail expansion monitoring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320108654 CN2709498Y (en) | 2003-12-05 | 2003-12-05 | Rail expansion monitoring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2709498Y true CN2709498Y (en) | 2005-07-13 |
Family
ID=34845234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320108654 Expired - Fee Related CN2709498Y (en) | 2003-12-05 | 2003-12-05 | Rail expansion monitoring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2709498Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101269664B (en) * | 2007-03-21 | 2011-11-02 | 张运刚 | Detecting instrument for temperature and displacement of steel rail |
| CN107268353A (en) * | 2017-08-02 | 2017-10-20 | 中国铁道科学研究院铁道建筑研究所 | Seamless railroad diffuses locking operational method and device |
| CN107503252A (en) * | 2017-08-02 | 2017-12-22 | 中国铁道科学研究院铁道建筑研究所 | The measuring method and device of longitudinal displacement of steel rail |
-
2003
- 2003-12-05 CN CN 200320108654 patent/CN2709498Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101269664B (en) * | 2007-03-21 | 2011-11-02 | 张运刚 | Detecting instrument for temperature and displacement of steel rail |
| CN107268353A (en) * | 2017-08-02 | 2017-10-20 | 中国铁道科学研究院铁道建筑研究所 | Seamless railroad diffuses locking operational method and device |
| CN107503252A (en) * | 2017-08-02 | 2017-12-22 | 中国铁道科学研究院铁道建筑研究所 | The measuring method and device of longitudinal displacement of steel rail |
| CN107268353B (en) * | 2017-08-02 | 2019-04-30 | 中国铁道科学研究院铁道建筑研究所 | Seamless railroad release locking operational method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101101265B (en) | Power transmission and transformation equipment outer insulation equivalent ash deposit density measuring method and device | |
| CN208225263U (en) | A kind of safety monitoring slope acquisition system based on Internet of Things big data | |
| CN101713167A (en) | Bridge structural health monitoring car | |
| CN103031787A (en) | Method and device for fully automatically and accurately monitoring changes of geometric parameters of track | |
| CN103778683A (en) | Electronic inspection system for tunnel structure and using method thereof | |
| CN111998912A (en) | Integrated full-range inspection well water level monitoring device and monitoring method | |
| CN101576593A (en) | Array type inferior insulator local electric field detector and inverse diagnosis method | |
| CN2709498Y (en) | Rail expansion monitoring instrument | |
| CN109978326A (en) | A method of the division of decision section is carried out to basic section based on road conditions index | |
| CN202582606U (en) | Comprehensive inspection device of high speed railway contact system | |
| CN203024763U (en) | Construction beam posture monitoring system | |
| CN203687927U (en) | High-stability and high-accuracy biaxial inclination remote intelligent monitoring system | |
| CN201319008Y (en) | Non-soluble deposit density measurement device for high-voltage transmission line | |
| CN109469832A (en) | The strain monitoring device of in-service long-distance oil & gas pipeline boxing seam defect | |
| CN209310963U (en) | A kind of rail head of rail longitudinal stress detection device | |
| CN116295637A (en) | Intelligent monitoring method and system for safety of high-altitude building | |
| CN208833366U (en) | A kind of noise measurement system | |
| CN111999195A (en) | Nondestructive testing system for structural defects of concrete | |
| CN115683233A (en) | Multi-parameter monitoring device and method for modular bridge expansion device | |
| CN102721406B (en) | Construction beam gesture monitoring system | |
| CN115451800A (en) | Testing method of portable field testing imager for cement electric pole | |
| CN208606720U (en) | A kind of contactless concrete autogenous volumetric deformation test device | |
| CN205748954U (en) | Railway ballast is anyhow to acceleration coupling detection device and integrated detection system | |
| CN113447079A (en) | Bridge detecting system | |
| CN203144853U (en) | Full-automatic precision monitoring device for geometric parameter variation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |