CN208038947U - A kind of rail detection ruler - Google Patents

A kind of rail detection ruler Download PDF

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Publication number
CN208038947U
CN208038947U CN201820033144.0U CN201820033144U CN208038947U CN 208038947 U CN208038947 U CN 208038947U CN 201820033144 U CN201820033144 U CN 201820033144U CN 208038947 U CN208038947 U CN 208038947U
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unit
crossfoot
detection
interface
fixation
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CN201820033144.0U
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Chinese (zh)
Inventor
黎杰
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Hebei Tongfa Railway Engineering Group Co., Ltd.
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Huzhou Youchuang Technology Co Ltd
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Abstract

The utility model provides a kind of rail detection ruler, including detection ruler ontology, and the detection ruler ontology includes crossfoot portion, straight stopper, fixed part and sliding part;The straight stopper side is fixedly connected with crossfoot portion side, and the bottom of the straight stopper other side is equipped with aperture;The fixed part includes fixed short portion and fixed long portion, the short portion of fixation is clamped with the aperture, the short portion of fixation can slide in the aperture, and the long portion of fixation is hinged with the crossfoot portion other side, and the long portion of fixation can rotate 90 ° around crossfoot portion perpendicular;The sliding position is slidably connected in the bottom side in the crossfoot portion, the sliding part with the crossfoot portion.The utility model is combined by sensor technology and singlechip technology, it can detect, be automatically stored and real-time display automatically, the high precision digitized measurement to railway track distance and levelness is realized, the undesirable elements such as the error that artificial mechanism formula measurement is brought is big, working efficiency is low are effectively eliminated.

Description

A kind of rail detection ruler
Technical field
The utility model is related to railroad track detection technique field, more particularly to a kind of rail detection ruler.
Background technology
Influence or other factors of the railroad track due to ambient temperature, between easy ting produce deformation and influencing two rails Distance and levelness, it is therefore desirable to often measure the parameter of rail.Currently, the measurement of railroad track parameter, mostly uses artificial Mechanical system carries out, that is, uses the width and the depth of parallelism of calliper rail.Although detection device is simple, take a lot of work laborious, and Measurement accuracy is low, is extremely difficult to technology requirement.Especially after train speed raising, the requirement to rail is stringenter.Therefore, to rail Measurement and safeguard it is just more important, once there is relatively large deviation, the train of high-speed cruising will will appear technical error, and there are huge Big security risk.
Utility model content
(1) the technical issues of solving
To solve the above-mentioned problems, the utility model provides a kind of rail detection ruler, can eliminate the measurement of artificial mechanism formula The undesirable elements such as the error brought is big, working efficiency is low, to improve railway security safeguard.
(2) technical solution
A kind of rail detection ruler, including detection ruler ontology, the detection ruler ontology include crossfoot portion, straight stopper, fixed part And sliding part;The straight stopper side is fixedly connected with crossfoot portion side, and the bottom of the straight stopper other side is equipped with small Hole;The fixed part includes fixed short portion and fixed long portion, and the short portion of fixation is clamped with the aperture, and the short portion of fixation can It is slided in the aperture, the long portion of fixation is hinged with the crossfoot portion other side, and the long portion of fixation can be around the crossfoot Portion's perpendicular rotates 90 °;The sliding position connects in the bottom side in the crossfoot portion, the sliding part with crossfoot portion sliding It connects;Crossfoot portion front is equipped with liquid crystal display and keyboard, and the crossfoot portion back side is equipped with battery compartment and RS232 interface;Institute It states sliding part and is internally provided with gauge detection unit, the gauge detection unit detects the distance between two rails, in the crossfoot portion Portion be equipped with control circuit board, the control circuit board respectively with the liquid crystal display, the keyboard, the RS232 interface and The gauge detection unit is electrically connected;
The control circuit board include levelness detection unit, control unit, clock unit, storage unit, display unit, Key-press input unit, RS232 interface unit and power supply unit;
The levelness of the levelness detection unit detection two-way rail, exports rs 232 serial interface signal, is sent into described control unit;
The clock unit provides time of measuring, and output clock signal is sent into described control unit, the clock unit packet Real-time timepiece chip, the first crystal oscillator and backup battery are included, wherein the real-time timepiece chip selects DS1302;
Survey of the described control unit to the clock signal and the gauge detection unit and the levelness detection unit Amount data are handled, and are differed height with preset gauge and two tracks and be compared, the output difference of described control unit Connect the storage unit, the display unit and the RS232 interface unit;
For the storage unit for preserving measurement data, the storage unit includes eeprom memory, first and second Resistance, wherein the eeprom memory selects AT24C512;
The display unit is electrically connected with the liquid crystal display, and the display unit carries out measurement data and time real When show, and abnormal data is marked;
The key-press input unit is electrically connected with the keyboard, the key-press input unit is used for switching on and shutting down, startup is tested, It sets threshold value, preservation and deletes measurement data, the key-press input unit includes keyboard scan chip, the second crystal oscillator, first The resistance of~third capacitance and third~the 9th, wherein the keyboard scan chip selects ZLG7289;
The RS232 interface unit is electrically connected with the RS232 interface, and described control unit passes through the RS232 interface Measurement data is uploaded to host computer by unit;The RS232 interface unit include TTL-RS232 electrical level transferring chips and the 4th~ 8th capacitance, wherein the TTL-RS232 electrical level transferring chips select MAX232;
The power supply unit selects lithium battery, the lithium battery to be positioned over the battery compartment, operating voltage is provided for system.
Further, the height in the height=crossfoot portion in the height of the straight stopper+short portion of the fixation+described solid The height in fixed length portion.
Further, described control unit selects microcontroller C8051F060.
Further, the gauge detection unit selects DC20 type grating rule displacement sensors.
Further, the levelness detection unit selects digital obliquity sensor.
Further, the display unit selects JM19264A graphic dot matrix LCD modules.
(3) advantageous effect
The utility model provides a kind of rail detection ruler, is combined by sensor technology and singlechip technology, can be certainly Dynamic detection is automatically stored and real-time display, realizes the high precision digitized measurement to railway track distance and levelness, effectively disappears The undesirable elements such as the error brought in addition to artificial mechanism formula measurement is big, working efficiency is low, reduce hand labor intensity, can shift to an earlier date The traffic safety hidden danger caused by rail changes is excluded, it is simple in structure to improve railway security safeguard, it is at low cost Honest and clean, compact is easy to operate, and accuracy of detection is high, fast response time, and stability and good reliability have good expansible Property.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of rail detection ruler involved by the utility model.
Fig. 2 is a kind of system functional block diagram of rail detection ruler involved by the utility model.
Fig. 3 is a kind of clock unit circuit diagram of rail detection ruler involved by the utility model.
Fig. 4 is a kind of storage unit circuit schematic diagram of rail detection ruler involved by the utility model.
Fig. 5 is a kind of key-press input unit circuit diagram of rail detection ruler involved by the utility model.
Fig. 6 is a kind of RS232 interface element circuit schematic diagram of rail detection ruler involved by the utility model.
Specific implementation mode
The embodiment involved by the utility model is described in further details below in conjunction with the accompanying drawings.
A kind of rail detection ruler combined with Figure 1 and Figure 2, including detection ruler ontology, detection ruler ontology include crossfoot portion 1, straight gear Portion 2, fixed part and sliding part 5;Straight 2 side of stopper is fixedly connected with 1 side of crossfoot portion, and the bottom of 2 other side of straight stopper is equipped with Aperture 10;The fixed part includes fixed short portion 3 and fixed long portion 4, and fixed short portion 3 is clamped with aperture 10, and fixed short portion 3 can be Sliding in aperture 10, fixed long portion 4 and 1 other side of crossfoot portion are hinged, and fixed long portion 4 can be rotated around 1 perpendicular of crossfoot portion 90°;Sliding part 5 is located at the bottom side in crossfoot portion 1, and sliding part 5 is slidably connected with crossfoot portion 1;1 front of crossfoot portion is equipped with liquid crystal display Screen 6 and keyboard 7,1 back side of crossfoot portion are equipped with battery compartment 8 and RS232 interface 9;Sliding part 5 is internally provided with gauge detection unit, rail Detect the distance between two rails away from detection unit, crossfoot portion 1 is internally provided with control circuit board, control circuit board respectively with liquid crystal Display screen 6, keyboard 7, RS232 interface 9 and gauge detection unit are electrically connected.
The height in the long portion of the height+fixation in the height=crossfoot portion 1 in the short portion of height+fixation of straight stopper 234, the short portion of fixation 3 can support the smoothness that ensure that in rail road surface in measurement process with fixed long portion 4, be also convenient for measuring operation.
Control circuit board includes levelness detection unit, control unit, clock unit, storage unit, display unit, button Input unit, RS232 interface unit and power supply unit.
Control unit selects microcontroller C8051F060, the mixed-signal system grade singlechip chip being completely integrated to use CIP-51 microcontroller cores, carry temperature sensor, and influence of the compensation environment temperature to measurement data reduces peripheral device Part improves system stability.Have inside C8051F060 1 SMBUS/I2C interface, 2 with enhanced baud rate configuration Full duplex UART and 1 Enhanced SPI interface, each universal serial bus by hardware realization, can generate completely to CIP-51 kernels It interrupts.There are five 16 general bit timing devices, programmable counter/timers of 6 capture/comparison modules for C8051F060 tools Array, WatchDog Timer, VDD monitors and clock oscillator in piece.C8051F060 is the on piece system that can really work independently System, all analog- and digital- peripheral hardwares enable/can be forbidden and configured by user's firmware.Internal flash storage also has System reprograms ability, can be used for non-volatile data storage.
Gauge detection unit detects the distance between two rails, selects DC20 type grating rule displacement sensors.DC20 type gratings The reading head of rule displacement sensor rolls system and uses 450 formula, five bearing element system, ensures that optical induction system can be steady for a long time Surely it is smoothly slid on grating scale, ensure that high-grade measurement accuracy.DC20 type grating rule displacement sensor output displacements The internal counter of pulse signal, C8051F060 counts displacement pulse signals, to be converted to distance value.
Levelness detection unit detects the levelness of two-way rail, selects digital obliquity sensor.Digital obliquity passes Sensor causes principle that film potential changes using the effect of gravity convection body and is made, and is novel inertial sensor, has body The features such as long-pending small, highly sensitive, good linearity, long lifespan, wide dynamic range, high stability and superpower impact resistance.It is digital to incline The communication connection of the UART0 of angle transducer and C8051F060 mouths, exports 16 binary data frame format measurement data, wherein digit order number Angle value is returned for 3 bytes, is compressed code, first place is sign bit (0 positive 1 is negative), and three are integer value before and after decimal point, small It is fractional value after several points, such as 1026.80 indicate -26.8 °.By inclination angle and gauge, two rails can be calculated according to SIN function The difference height in road.
Clock unit provides time of measuring, and output clock signal is sent into C8051F060.As shown in figure 3, clock unit includes Real-time timepiece chip U1, crystal oscillator X1 and backup battery E1, wherein real-time timepiece chip U1 select DS1302.DS1302 is by the U.S. DALLAS companies release the low-power consumption real-time timepiece chip with trickle current charging ability, can to year, month, day, week, When, point and the second carry out timing, and with the multiple functions such as leap year compensation.Operating voltage be 2.0~5.5V, using three-wire interface with C8051F060 synchronizes communication, and clock signal or RAM data that burst mode once transmits multiple bytes can be used. VCC2 feet are main power source, and VCC1 feet are backup power supply can also keep the continuous operation of clock in the case where main power source is closed. RST feet are reset/chip select lines, and I/O feet are serial date transfer output end, and SCLK feet are system clock input terminal.
Storage unit is for preserving measurement data, the improper power down of system in order to prevent, external memorizer, as shown in figure 4, Storage unit includes eeprom memory U2, resistance R1 and R2, and wherein eeprom memory U2 selects AT24C512.AT24C512 Be have I2C buses, capacity reach 512Kb EEPROM, 100,000 programming/erase-write cycles, single supply read and write voltage 1.8~ 5.5V, ESD protect voltage > 4KV, data to can save 40 years.When WP feet are high level, into write-protect state, the low work(of CMOS Consumption technology, maximum write current are 3mA.
Display unit is electrically connected with liquid crystal display 6, and the difference in height between time of measuring, gauge and two tracks carries out real When show, and abnormal data is marked.It is tool that display unit, which selects JM19264A graphic dot matrix LCD modules, JM19264A, There is the graphic dot matrix LCD module of 192 × 64 dot matrix, can couple with microcontroller and constitute that function is strong, simple in structure, human-computer dialogue circle The abundant application system in face.C8051F060 is controlled using Direct Access Mode with JM19264A Liquid Crystal Modules.
Key-press input unit is electrically connected with keyboard 7, is surveyed for switching on and shutting down, startup test, setting threshold value, preservation and deletion Measure data.As shown in figure 5, key-press input unit include keyboard scan chip U3, crystal oscillator X2, capacitance C1~C3 and resistance R3~ R9, wherein keyboard scan chip U3 select ZLG7289.Contain decoder inside ZLG7289, there is serial line interface, monolithic The repertoire of keyboard interface is completed, external connection keyboard 7, KEY feet can become low level when having by key pressing, readable using instructing Go out institute's key value.
RS232 interface unit is electrically connected with RS232 interface 9, and control unit will be in measurement data by RS232 interface unit Host computer is transmitted to carry out summarizing preservation, and the report of printable related data.As shown in fig. 6, RS232 interface unit includes TTL- RS232 electrical level transferring chips U4 and capacitance C4~C8, wherein TTL-RS232 electrical level transferring chips U4 select MAX232.MAX232 Be the double RS232 of single supply send/receive chip, using single 5V power supply power supplies, only need external 4 capacitances, standard can be constituted RS232 communication.Capacitance C4~C7 is charge pump boosting and voltage reversal part generates V+ feet and V- foot power supply power supply flat turns are changed It uses, capacitance C8 is VCC feet decoupling capacitor over the ground.Capacitance C4~C8 on pcb board close proximity to MAX232 chip pins, to carry High anti-jamming capacity.T2IN feet connect the UART1 of C8051F060 with R2OUT feet, and T2OUT feet connect host computer with R2IN feet Serial ports.
Power supply unit selects lithium battery, lithium battery to be positioned over battery compartment 8, operating voltage is provided for system.
When detection ruler works, straight stopper 2 is put down into fixed short portion 3 and fixed long portion close to the side of rail all the way first 4, mobile sliding part 5 makes it close to the side of another way rail.By the power button in lower keyboard 7, after being switched on, setting gauge and The threshold value of difference in height between two rails presses startup feeler switch, DC20 type grating rule displacement sensor sum number word formulas inclination angle sensing Device detects the inclination angle between the distance between two rails and two rails automatically respectively, and the difference in height between two rails, liquid is obtained by calculation The difference in height between time of measuring, gauge and two rails of crystal display screen 6 carries out real-time display, while not meeting the abnormal number of threshold value According to being marked, to remind the timely Maintenance and Repair of staff.Preservation key is pressed, real-time storage can be carried out to test data.It is logical It crosses RS232 interface 9 and can carry out communication with host computer and connect, measurement data, which is uploaded to host computer, to be carried out summarizing preservation, and is generated The report of related data.
The utility model provides a kind of rail detection ruler, is combined by sensor technology and singlechip technology, can be certainly Dynamic detection is automatically stored and real-time display, realizes the high precision digitized measurement to railway track distance and levelness, effectively disappears The undesirable elements such as the error brought in addition to artificial mechanism formula measurement is big, working efficiency is low, reduce hand labor intensity, can shift to an earlier date The traffic safety hidden danger caused by rail changes is excluded, it is simple in structure to improve railway security safeguard, it is at low cost Honest and clean, compact is easy to operate, and accuracy of detection is high, fast response time, and stability and good reliability have good expansible Property.
Embodiment described above is only that preferred embodiments of the present invention are described, not to this practicality Novel conception and scope is defined.Without departing from the design concept of the present utility model, ordinary people in the field couple The all variations and modifications that the technical solution of the utility model is made, should fall within the protection scope of the present utility model, this reality With novel claimed technology contents, all record in detail in the claims.

Claims (6)

1. a kind of rail detection ruler, including detection ruler ontology, it is characterised in that:The detection ruler ontology includes crossfoot portion, straight gear Portion, fixed part and sliding part;The straight stopper side is fixedly connected with crossfoot portion side, the bottom of the straight stopper other side Portion is equipped with aperture;The fixed part includes fixed short portion and fixed long portion, and the short portion of fixation is clamped with the aperture, described solid Fixed short portion can slide in the aperture, and the long portion of fixation is hinged with the crossfoot portion other side, and the long portion of fixation can be around Crossfoot portion perpendicular rotates 90 °;The sliding position is in the bottom side in the crossfoot portion, the sliding part and the crossfoot Portion is slidably connected;Crossfoot portion front is equipped with liquid crystal display and keyboard, and the crossfoot portion back side is equipped with battery compartment and RS232 Interface;The sliding part is internally provided with gauge detection unit, and the gauge detection unit detects the distance between two rails, the cross Ruler portion is internally provided with control circuit board, the control circuit board respectively with the liquid crystal display, the keyboard, the RS232 Interface and the gauge detection unit are electrically connected;
The control circuit board includes levelness detection unit, control unit, clock unit, storage unit, display unit, button Input unit, RS232 interface unit and power supply unit;
The levelness of the levelness detection unit detection two-way rail, exports rs 232 serial interface signal, is sent into described control unit;
The clock unit provides time of measuring, and output clock signal is sent into described control unit, and the clock unit includes real When clock chip, the first crystal oscillator and backup battery, wherein the real-time timepiece chip select DS1302;
Measurement number of the described control unit to the clock signal and the gauge detection unit and the levelness detection unit It according to being handled, and differs height with preset gauge and two tracks and is compared, the output of described control unit is separately connected The storage unit, the display unit and the RS232 interface unit;
For the storage unit for preserving measurement data, the storage unit includes eeprom memory, the first and second resistance, The wherein described eeprom memory selects AT24C512;
The display unit is electrically connected with the liquid crystal display, and the display unit shows measurement data and time in real time Show, and abnormal data is marked;
The key-press input unit is electrically connected with the keyboard, and the key-press input unit is for switching on and shutting down, startup test, setting Threshold value, preservation and deletion measurement data, the key-press input unit includes keyboard scan chip, the second crystal oscillator, the first~the The resistance of three capacitances and third~the 9th, wherein the keyboard scan chip selects ZLG7289;
The RS232 interface unit is electrically connected with the RS232 interface, and described control unit passes through the RS232 interface unit Measurement data is uploaded to host computer;The RS232 interface unit includes TTL-RS232 electrical level transferring chips and the 4th~the 8th Capacitance, wherein the TTL-RS232 electrical level transferring chips select MAX232;
The power supply unit selects lithium battery, the lithium battery to be positioned over the battery compartment, operating voltage is provided for system.
2. a kind of rail detection ruler according to claim 1, it is characterised in that:The height of the straight stopper+fixation The height in the height in the height in short portion=crossfoot portion+long portion of the fixation.
3. a kind of rail detection ruler according to claim 1, it is characterised in that:Described control unit selects microcontroller C8051F060。
4. a kind of rail detection ruler according to claim 1, it is characterised in that:The gauge detection unit selects DC20 types Grating rule displacement sensor.
5. a kind of rail detection ruler according to claim 1, it is characterised in that:The levelness detection unit selects number Formula obliquity sensor.
6. a kind of rail detection ruler according to claim 1, it is characterised in that:The display unit selects JM19264A figures Form point battle array Liquid Crystal Module.
CN201820033144.0U 2018-01-09 2018-01-09 A kind of rail detection ruler Active CN208038947U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110849282A (en) * 2019-11-29 2020-02-28 中车青岛四方车辆研究所有限公司 Measuring equipment and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110849282A (en) * 2019-11-29 2020-02-28 中车青岛四方车辆研究所有限公司 Measuring equipment and method
CN110849282B (en) * 2019-11-29 2021-04-20 中车青岛四方车辆研究所有限公司 Measuring equipment and method

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
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Effective date of registration: 20190422

Address after: Room B2212, 22 Floor, Haobang Building, 31 South Second Ring Road, Qiaoxi District, Shijiazhuang City, Hebei Province, 050000

Patentee after: Hebei Tongfa Railway Engineering Group Co., Ltd.

Address before: 313000 room 1506, 3 Hyundai Plaza, Wuxing District, Huzhou, Zhejiang.

Patentee before: HUZHOU YOUCHUANG TECHNOLOGY CO., LTD.