CN107024293B - Rail temperature measurement support piece and rail temperature measurement device comprising same - Google Patents
Rail temperature measurement support piece and rail temperature measurement device comprising same Download PDFInfo
- Publication number
- CN107024293B CN107024293B CN201710213887.6A CN201710213887A CN107024293B CN 107024293 B CN107024293 B CN 107024293B CN 201710213887 A CN201710213887 A CN 201710213887A CN 107024293 B CN107024293 B CN 107024293B
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- China
- Prior art keywords
- rail
- temperature sensor
- temperature
- wireless
- temperature measurement
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
- G01K1/026—Means for indicating or recording specially adapted for thermometers arrangements for monitoring a plurality of temperatures, e.g. by multiplexing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
- G01K1/143—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations for measuring surface temperatures
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a rail temperature measurement support, comprising: a support block; the support block is provided with a first temperature sensor positioning hole and a second temperature sensor positioning hole, the first temperature sensor positioning hole is arranged towards the waist position of the steel rail to be monitored, and the second temperature sensor positioning hole is arranged towards the rail foot direction of the steel rail to be monitored. The invention also discloses a rail temperature measuring device comprising the rail temperature measuring support piece. The rail temperature measurement support piece can simultaneously clamp two sensors in different directions, realize simultaneous monitoring of the temperature of the waist part and the rail feet of the steel rail, meet the requirement of rail temperature monitoring, and is convenient to fix and easy to operate.
Description
Technical Field
The invention relates to the technical field of track monitoring, in particular to a track temperature measurement support piece and a track temperature measurement device comprising the same
Background
The rail track usually adopts a seamless track technology, and the seamless track is characterized in that the track is paved by a plurality of long sections of rails, and gaps among the rails are smaller. However, due to the principle of thermal expansion and contraction, the steel rail can expand or contract, so that the phenomenon of rail expansion or rail breakage is caused, and the driving safety is greatly threatened. Therefore, rail temperature needs to be monitored. The temperature at the rail web and the rail foot can better reflect the overall temperature condition of the rail, so the rail web and the rail foot need to be monitored in temperature. In the existing track temperature monitoring system, the temperature sensor is arranged on the rail web and the rail foot in a troublesome manner, and a special positioning and supporting device is not provided, so that the temperature sensor is complicated to install, and if the temperature sensor is not firm to install, the monitoring precision of the temperature sensor is affected.
Disclosure of Invention
In order to solve the technical problem that a temperature sensor in a track temperature monitoring system is arranged on a rail web and a rail foot in the prior art, the technical scheme of the invention is as follows:
the rail temperature measurement support in the invention comprises: a support block; the support block is provided with a first temperature sensor positioning hole and a second temperature sensor positioning hole, the first temperature sensor positioning hole is arranged towards the waist position of the steel rail to be monitored, and the second temperature sensor positioning hole is arranged towards the rail foot direction of the steel rail to be monitored.
In a preferred embodiment, the material of the supporting block is duralumin.
The invention also discloses a rail temperature measuring device comprising the rail temperature measuring support piece, and the rail temperature measuring device further comprises wireless temperature sensors, wherein the wireless temperature sensors are respectively arranged in a first temperature sensor positioning hole and a second temperature sensor positioning hole of the rail temperature measuring support piece through a U-shaped pressing plate and are used for measuring the temperature of the waist and the rail feet of the rail to be monitored.
In a preferred embodiment, a first plunger and a second plunger are included; the first plunger is arranged in the first temperature sensor positioning hole, one end of the first plunger is connected with the wall of the first temperature sensor positioning hole through a spring, and the other end of the first plunger is connected with the U-shaped pressing plate; the second plunger is arranged in the second temperature sensor positioning hole, one end of the second plunger is connected with the wall of the second temperature sensor positioning hole through a spring, and the other end of the second plunger is connected with the U-shaped pressing plate.
In a preferred embodiment, a base plate is included; the two ends of the bottom plate are connected with the supporting blocks of the two rail temperature measurement supporting pieces through bolts, so that the first temperature sensor positioning hole openings of the two rail temperature measurement supporting pieces are oppositely arranged.
In a preferred embodiment, a wireless temperature measurement host is included; the wireless temperature measurement host is in wireless connection with the wireless temperature sensor, the wireless temperature sensor transmits the temperatures of the collected track waist and track feet to the wireless temperature measurement host, and the wireless temperature measurement host displays the received temperature information sent by the wireless temperature sensor through a display screen of the wireless temperature measurement host.
In a preferred embodiment, the method comprises a DTU wireless data transmission terminal, an external antenna and a mobile terminal; the DTU wireless data transmission terminal is connected with the wireless temperature measurement host through an RS-232 interface, the DTU wireless data transmission terminal is also connected with the external antenna, and the wireless temperature measurement host transmits the temperatures of the track waist and the track feet to the mobile terminal by utilizing the DTU wireless data transmission terminal and the external antenna.
In a preferred embodiment, a battery and a solar panel are included; the output end of the solar panel is connected with the input end of the storage battery, and the output end of the storage battery is connected with the power-on end of the wireless temperature measurement host and the power-on end of the DTU wireless data transmission terminal.
In a preferred embodiment, the wireless temperature measuring device comprises an alarm, wherein the input end of the alarm is connected with the output end of the wireless temperature measuring host, and when the temperature of the wireless temperature sensor received by the wireless temperature measuring host is greater than the maximum value initially set in the wireless temperature measuring host, the wireless temperature measuring host controls the alarm to alarm, and the rail temperature is reminded to be too high.
In a preferred embodiment, a telecommunications cabinet and lightning rod are included; the communication machine comprises a DTU wireless data transmission terminal, a wireless temperature measurement host and a storage battery which are arranged inside; the communication cabinet is externally provided with a solar panel, the external antenna and the lightning rod.
Compared with the prior art, the rail temperature measurement support has the beneficial effects that:
the rail temperature measurement support comprises a first sensor positioning hole and a second sensor positioning hole, wherein the first sensor positioning hole is formed towards the waist position of a rail to be monitored, and the second sensor positioning hole is formed towards the rail foot direction of the rail to be monitored. This rail temperature measurement support piece can two sensors of different directions of centre gripping simultaneously, realizes monitoring rail waist and rail foot's temperature simultaneously, has satisfied the demand of track temperature monitoring, and sensor fixed convenient, easy operation.
The rail temperature measuring device comprises the rail temperature measuring supporting piece and the wireless temperature sensor, wherein a first plunger and a second plunger are arranged in a first temperature sensor positioning hole and a second temperature sensor positioning hole for stably fixing the wireless temperature sensor, one end of the first plunger is connected with the wall of the first temperature sensor positioning hole through a spring, the other end of the first plunger is connected with a U-shaped pressing plate, one end of the second plunger is connected with the wall of the second temperature sensor positioning hole through a spring, and the other end of the second plunger is connected with the U-shaped pressing plate. The jacking force between the U-shaped pressing plate and the wireless temperature sensor is adjusted through the control of the compression amount of the spring; according to the rail temperature measuring device, the wireless temperature sensor is convenient to install and good in stability, so that the measuring accuracy is ensured; the DTU wireless data transmission terminal and the external antenna are utilized to realize wireless transmission of track temperature, so that the defects of complex wire transmission and wiring and poor flexibility are avoided; the solar panel is utilized to provide electric energy for the wireless temperature measuring host and the DTU wireless data transmission terminal, and solar resources are reasonably utilized.
Drawings
FIG. 1 is a schematic view of a rail temperature measurement support in accordance with the present invention;
FIG. 2 is a view showing the state of use of the rail temperature measurement support according to the present invention;
FIG. 3 is a schematic diagram of a rail temperature measuring device according to the present invention.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, the rail temperature thermometry support comprises: a support block 1; the support block 1 is provided with a first temperature sensor positioning hole 2 and a second temperature sensor positioning hole 3, the first temperature sensor positioning hole 2 is arranged towards the waist position of the steel rail to be monitored, and the second temperature sensor positioning hole 3 is arranged towards the rail foot direction of the steel rail to be monitored. The support piece 1 can simultaneously support the sensors in the two directions of the rail web and the rail foot, realizes temperature monitoring at the rail web and the rail foot, avoids complicated operation when the sensors in each direction are independently arranged, and is simple and convenient to operate.
In order to prolong the service life of the rail temperature measurement support piece, the material of the support block 1 is selected to be hard aluminum alloy. The hard aluminum alloy has better strength and heat resistance, is less influenced by the temperature of the rail, and can better ensure the service life of the rail temperature measuring support piece.
The invention also discloses a rail temperature measuring device, as shown in fig. 2 and 3, comprising the rail temperature measuring support piece and a wireless temperature sensor 7; the wireless temperature sensor 7 is respectively arranged in the first temperature sensor positioning hole 2 and the second temperature sensor positioning hole 3 of the rail temperature measurement support piece through the U-shaped pressing plate 6, and measures the temperature of the waist and the rail foot of the rail to be monitored, wherein the model of the wireless temperature sensor 7 is BM100.
For stable fixed wireless temperature sensor 7, set up first plunger 4 and second plunger 5 in first temperature sensor locating hole 2 and second temperature sensor locating hole 3, the one end of first plunger 4 passes through spring 19 and is connected with first temperature sensor locating hole 2 pore wall, and the other end of first plunger 4 is connected with U type clamp plate 6, and the one end of second plunger 5 passes through spring 19 and is connected with second temperature sensor locating hole 3 pore wall, and the other end of second plunger 5 is connected with U type clamp plate 6. By means of the arrangement, the jacking force between the U-shaped pressing plate 6 and the wireless temperature sensor 7 is adjusted through control of the compression amount of the springs 19.
In order to obtain more accurate rail temperature values, the temperatures of the two sides of the rail web and the two sides of the rail foot of the rail are required to be measured, therefore, a bottom plate 9 is arranged, and the two ends of the bottom plate 9 are connected with the bottoms of the supporting blocks 1 of the two rail temperature measurement supporting pieces through bolts, so that the orifices of the first temperature sensor positioning holes 2 of the two rail temperature measurement supporting pieces are oppositely arranged, and the temperatures of the two sides of the rail web are measured; and simultaneously, the orifices of the second temperature sensor positioning holes 3 of the two rail temperature measurement supporting pieces face the upper surfaces of the rail feet, and the temperatures of the upper surfaces of the two sides of the rail feet are measured.
For the temperature of rail waist and rail foot department that wireless temperature sensor 7 measured shows, need not the numerical value that monitoring personnel direct view wireless temperature sensor 7 shows, wireless temperature measurement host computer 10 has been established to the addition, wireless temperature measurement host computer 10's input is connected with wireless temperature sensor 7's output, wireless temperature sensor 7 transmits the temperature of the rail waist and the rail foot department of gathering to wireless temperature measurement host computer 10, wireless temperature measurement host computer 10 shows the temperature information that a plurality of wireless temperature sensor 7 that will receive sent simultaneously through its display screen, monitoring personnel direct follow the display screen of wireless temperature measurement host computer 10 observe orbital temperature can, need not to look over the temperature numerical value of each temperature sensor respectively, it is simple and convenient.
In order to enable a monitor to know the temperature value of a track in real time, but not always watch the temperature value in front of the wireless temperature measurement host 10, a DTU wireless data transmission terminal 12, an external antenna 13 and a mobile terminal are arranged; the DTU wireless data transmission terminal 12 is connected with the wireless temperature measurement host 10 through the RS-232 interface 11, the DTU wireless data transmission terminal 12 is also connected with the external antenna 13, and the received temperature value transmitted by the wireless temperature measurement host 10 is remotely transmitted through the external antenna 13. The wireless temperature measurement host 10 transmits the temperatures of the waist and the feet of the track to the mobile terminal by using the DTU wireless data transmission terminal 12 and the external antenna 13, and a monitoring person can conveniently observe the temperature condition of the track through the mobile terminal, wherein the model of the wireless temperature measurement host 10 is ZXJK-M; the model of the DTU wireless data transmission terminal 12 is WS2001T1.
Energy conservation and environmental protection are advocated at present, and resources are reasonably utilized. Therefore, the electric energy used by the wireless temperature measurement host 10 and the DTU wireless data transmission terminal 12 in the present invention is derived from solar energy, and in order to obtain solar energy resources and store the solar energy resources for use, the present invention includes a storage battery 16 and a solar panel 15; the output end of the solar panel 15 is connected with the input end of the storage battery 16, and the output end of the storage battery 16 is connected with the power-on end of the wireless temperature measurement host 10 and the power-on end of the DTU wireless data transmission terminal 12. The solar panel 15 converts solar energy into electric energy and stores the electric energy in the storage battery 16 for the wireless temperature measurement host 10 and the DTU wireless data transmission terminal 12 to use, so that energy is saved.
In order to reduce the labor amount of rail temperature monitoring personnel and ensure the monitoring effect, an alarm 18 is arranged, the input end of the alarm 18 is connected with the output end of the wireless temperature measuring host 10, and when the temperature of the temperature sensor 7 received by the wireless temperature measuring host 10 is greater than the maximum value initially set in the wireless temperature measuring host 10, the wireless temperature measuring host 10 controls the alarm 18 to alarm, and the rail temperature is reminded to be too high, so that the monitoring personnel is reminded to process in time.
In order to prolong the normal operation of each electrical equipment in the invention, the invention comprises a communication cabinet 17; a DTU wireless data transmission terminal 12, a wireless temperature measurement host 10 and a storage battery 16 are arranged in the communication cabinet 17; the communication cabinet 17 is externally provided with a solar panel 15 and an external antenna 13. In order to prevent the communication cabinet from being struck by lightning, a lightning arrester 14 is arranged at the top of the communication cabinet, so that the electrical equipment in the communication cabinet 17 can work normally.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. Rail temperature measuring device, its characterized in that includes: the rail temperature measurement support piece comprises a support block; a first temperature sensor positioning hole and a second temperature sensor positioning hole are formed in the supporting block, the first temperature sensor positioning hole is formed towards the waist position of the steel rail to be monitored, and the second temperature sensor positioning hole is formed towards the rail foot direction of the steel rail to be monitored;
the supporting block is made of hard aluminum alloy;
the temperature measuring device comprises a wireless temperature sensor, wherein the wireless temperature sensor is respectively arranged in a first temperature sensor positioning hole and a second temperature sensor positioning hole of the rail temperature measuring support piece through a U-shaped pressing plate and used for measuring the temperature of the waist and the rail foot of a rail to be monitored;
comprises a first plunger and a second plunger; the first plunger is arranged in the first temperature sensor positioning hole, one end of the first plunger is connected with the wall of the first temperature sensor positioning hole through a spring, and the other end of the first plunger is connected with the U-shaped pressing plate; the second plunger is arranged in the second temperature sensor positioning hole, one end of the second plunger is connected with the wall of the second temperature sensor positioning hole through a spring, and the other end of the second plunger is connected with the U-shaped pressing plate;
the wireless temperature measuring device comprises an alarm, wherein the input end of the alarm is connected with the output end of the wireless temperature measuring host.
2. The rail temperature measurement device of claim 1, comprising a base plate; the two ends of the bottom plate are connected with the supporting blocks of the two rail temperature measurement supporting pieces through bolts, so that the first temperature sensor positioning hole orifices of the two rail temperature measurement supporting pieces are oppositely arranged.
3. The rail temperature measurement device of claim 2, comprising a wireless temperature measurement host; the wireless temperature measurement host is in wireless connection with the wireless temperature sensor, the wireless temperature sensor transmits the temperatures of the collected track waist and track feet to the wireless temperature measurement host, and the wireless temperature measurement host displays the received temperature information sent by the wireless temperature sensor through a display screen of the wireless temperature measurement host.
4. The rail temperature measuring device according to claim 3, comprising a DTU wireless data transmission terminal, an external antenna and a mobile terminal; the DTU wireless data transmission terminal is connected with the wireless temperature measurement host through an RS-232 interface, the DTU wireless data transmission terminal is also connected with the external antenna, and the wireless temperature measurement host transmits the temperatures of the track waist and the track feet to the mobile terminal by utilizing the DTU wireless data transmission terminal and the external antenna.
5. The rail temperature measurement device of claim 4, comprising a battery and a solar panel; the output end of the solar panel is connected with the input end of the storage battery, and the output end of the storage battery is connected with the power-on end of the wireless temperature measurement host and the power-on end of the DTU wireless data transmission terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710213887.6A CN107024293B (en) | 2017-04-01 | 2017-04-01 | Rail temperature measurement support piece and rail temperature measurement device comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710213887.6A CN107024293B (en) | 2017-04-01 | 2017-04-01 | Rail temperature measurement support piece and rail temperature measurement device comprising same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107024293A CN107024293A (en) | 2017-08-08 |
| CN107024293B true CN107024293B (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710213887.6A Active CN107024293B (en) | 2017-04-01 | 2017-04-01 | Rail temperature measurement support piece and rail temperature measurement device comprising same |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109710000B (en) * | 2019-02-26 | 2024-01-12 | 宁夏大学 | Rail temperature regulation and control system and method |
| CN111060212A (en) * | 2019-12-02 | 2020-04-24 | 包头钢铁（集团）有限责任公司 | Steel rail core temperature measuring method |
| CN111735550A (en) * | 2020-06-30 | 2020-10-02 | 中国科学院西安光学精密机械研究所 | Preheating temperature monitoring device for steel rail thermite welding |
| CN112278009B (en) * | 2020-10-30 | 2021-10-15 | 西南交通大学 | Temperature measuring device applied to track and use control method |
| CN114659690A (en) * | 2022-03-09 | 2022-06-24 | 同济大学 | Wheel-rail force wireless monitoring device, system and method |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201473840U (en) * | 2009-06-02 | 2010-05-19 | 卢哲 | Fixing device for railway snow melting heating system |
| WO2010142727A1 (en) * | 2009-06-11 | 2010-12-16 | Balfour Beatty Plc | Method for regulating a switch heater |
| CN103088723A (en) * | 2011-10-29 | 2013-05-08 | 青岛科而泰环境控制技术有限公司 | Elastic rail fixing device |
| CN103603244A (en) * | 2013-12-04 | 2014-02-26 | 大连理工大学 | Special clamp for measuring unit of steel rail wireless sensor network |
| DE202013003686U1 (en) * | 2013-04-19 | 2014-04-22 | Hellermanntyton Gmbh | Rail clamping device |
| CN103786747A (en) * | 2014-01-14 | 2014-05-14 | 杭州豪迦科技有限公司 | On-line monitoring system for steel rail breakage |
| CN203766820U (en) * | 2014-01-14 | 2014-08-13 | 杭州慧景科技有限公司 | Installing structure of metal-ceramic type sensor for online monitoring of broken rails |
| CN104149815A (en) * | 2014-08-25 | 2014-11-19 | 中国铁道科学研究院铁道建筑研究所 | Lifting force measuring device and equipment and method for measuring actual locking rail temperature of jointless track |
| JP3198612U (en) * | 2015-04-30 | 2015-07-09 | 西日本旅客鉄道株式会社 | Rail temperature measuring device and clamp device for rail bond welding |
| CN205192524U (en) * | 2015-11-10 | 2016-04-27 | 湖北文理学院 | Rail temperature monitoring devices |
| CN207215296U (en) * | 2017-04-01 | 2018-04-10 | 北京铁科工程检测中心 | Rail temperature thermometric support member and the rail temperature temperature measuring equipment for including it |
-
2017
- 2017-04-01 CN CN201710213887.6A patent/CN107024293B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201473840U (en) * | 2009-06-02 | 2010-05-19 | 卢哲 | Fixing device for railway snow melting heating system |
| WO2010142727A1 (en) * | 2009-06-11 | 2010-12-16 | Balfour Beatty Plc | Method for regulating a switch heater |
| CN103088723A (en) * | 2011-10-29 | 2013-05-08 | 青岛科而泰环境控制技术有限公司 | Elastic rail fixing device |
| DE202013003686U1 (en) * | 2013-04-19 | 2014-04-22 | Hellermanntyton Gmbh | Rail clamping device |
| CN103603244A (en) * | 2013-12-04 | 2014-02-26 | 大连理工大学 | Special clamp for measuring unit of steel rail wireless sensor network |
| CN103786747A (en) * | 2014-01-14 | 2014-05-14 | 杭州豪迦科技有限公司 | On-line monitoring system for steel rail breakage |
| CN203766820U (en) * | 2014-01-14 | 2014-08-13 | 杭州慧景科技有限公司 | Installing structure of metal-ceramic type sensor for online monitoring of broken rails |
| CN104149815A (en) * | 2014-08-25 | 2014-11-19 | 中国铁道科学研究院铁道建筑研究所 | Lifting force measuring device and equipment and method for measuring actual locking rail temperature of jointless track |
| JP3198612U (en) * | 2015-04-30 | 2015-07-09 | 西日本旅客鉄道株式会社 | Rail temperature measuring device and clamp device for rail bond welding |
| CN205192524U (en) * | 2015-11-10 | 2016-04-27 | 湖北文理学院 | Rail temperature monitoring devices |
| CN207215296U (en) * | 2017-04-01 | 2018-04-10 | 北京铁科工程检测中心 | Rail temperature thermometric support member and the rail temperature temperature measuring equipment for including it |
Non-Patent Citations (1)
| Title |
|---|
| 丁韦 等.60kg·m-1U71Mn钢轨气压焊热循环分析.中国铁道科学.2003,第24卷(第1期),117-120. * |
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