CN1318487A - Automatic geometric parameter measuring equipment for wheel pair of railroad carriage - Google Patents
Automatic geometric parameter measuring equipment for wheel pair of railroad carriage Download PDFInfo
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- CN1318487A CN1318487A CN 01108526 CN01108526A CN1318487A CN 1318487 A CN1318487 A CN 1318487A CN 01108526 CN01108526 CN 01108526 CN 01108526 A CN01108526 A CN 01108526A CN 1318487 A CN1318487 A CN 1318487A
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Abstract
The automatic measuring equipment consists of a portal type frame, a microprocessor system, four measuring mechanisms and two transverse measuring mechanisms. Its measuring heads can shift vertically and horizontally, the sensors on two middle measuring heads can rotate to scan and measure felly cross section and shaft vertex, and the other two measuring heads measure the vertexes of bearing or bearing neck and front shoulder of wheel seat. Carriage axis is first determined, felly radius, shaft radius, wheel eccentricity and other parameters are then measured. The metal contour covered by greasy dirt may be measured with non-contact vortex or inductance sensor and the measured data are processed in computer.
Description
The present invention relates to the profile measurement that object geometric profile field of measuring technique, particularly body surface have the ferrous metal wear member of pollutants.
The appearance profile direct relation traffic safety that railway wheel is right.At measurement and the exterior check station of car depot's wheel to repair line, the domestic CN 93200457.1 bulletin products that generally adopt, promptly the 4th kind of detector carries out the measurement of rim width and thickness, tread wear, flange thickness and tread sassafras wound; Wheel diameter and distance between backs of wheel flanges adopt special measuring tool to detect, wheel seat position, the left and right sides, the central three place's axletree diameters of axle are measured with the diameter slide calliper rule, the wheel seat diameter is because polishing waits other reason, in the time of can't measuring in the inboard, make into to measure at off-side wheel seat or wheel seat crop place, this station is established personnel 2-3 name.During actual measurement, the staff earlier with the result with the chalk note wheel on, make a copy of again on card, at last by other people typing microcomputer.Metering system falls behind, and intermediate link is many, and the measured result personal error is bigger.CN 1256397A bulletin provides a kind of subway wheel measuring instrument of scan-type, but its ball-type measuring head wears away easily, gauge head is because not vertical with the wheeling edge wearing face or measured surface when coarse especially, be easy to damage, this survey meter can not be measured wheel rim thickness in addition, have to roll under the wide situation at wheel and also can't measure rim width, device needs artificial location.Adopt scan mode, sensor is few, but Measuring Time is longer.If by pneumatic realization multiple spot while self-measuring, Measuring Time is short, but the detent mechanism more complicated, the flange thickness gauge head is not vertical with the wheeling edge wearing face, damages easily yet.The method and apparatus of the measurement wheel rolling parameter that CN 1149126 bulletins provide, certain advantage is arranged, but it is higher to light source and environmental requirement, and dust, vibration and bias light and wheel are all influential to survey precision to factors such as last greasy dirt, laying dust and surface colors.In addition since wheel to not only greatly but also heavy, change in size is bigger, at least need to use complete CCD measurement mechanism and other auxiliary facilities more than 2, comprise high-precision servo mechanism, therefore measuring system has price height, realistic accuracy not high, camera lens and light source need often to safeguard, lasing light emitter price height, deficiencies such as life-span weak point.
The purpose of this invention is to provide a kind of railway vehicle wheel to the geometric parameter automatic device measuring, it can carry out self-measuring to wheel to geometric parameter effectively.
Technical scheme of the present invention is to adopt grating belt chi flexibly to carry out the servomechanism of linear measure, the planimetric position of change and definite sensor, wheel measuring mechanism is set on measuring head in addition in case of necessity, makes non-contact sensor vertical as far as possible near measured surface.It comprises a portal and two groups of scalable measuring mechanisms that are symmetrically arranged and microcomputer system, the output of the grating chi of measuring mechanism, rotary encoder, sensor, the actuator of stepping motor links to each other with input, the output of microcomputer system respectively, the crossbeam of portal is provided with hang spring traction measuring mechanism and leading screw drives measuring mechanism, arrange vertically that all the measuring head that is provided with sensor is fixed on the free end of expansion link; Horizontal supposition measuring mechanism is located on the column of portal, and the shell of horizontal supposition measuring mechanism and column are connected to hinged, and its expansion link is with to be arranged in measuring mechanism in the middle of the portal bar that contracts hinged.The scale of grating chi is fixed on the shell of measuring mechanism, and its moving chi is fixed on the expansion link by transmission connection piece.Measuring head on the expansion link can move up and down, amount of movement is controllable and measurable, the measuring head of middle two vertical measuring mechanisms is provided with the mechanism that makes sensor rotate and carry out measurement of angle, horizontal supposition measuring mechanism shell is articulated in framework pillar and can swings, the expansion link of its expansion link and middle measuring mechanism is hinged, stroke is also controllable and measurable, when left side expansion link is shifted to the right to certain position, the pin that its middle part tape spool holds leans on mutually with the left side of the vertical measuring mechanism shell in the left side, measuring mechanism adopts eddy current or inductance displacement sensor, and microcomputer direct control measurement process is also calculated and the record result of a measurement.Principle of work of the present invention is: testing wheel is to after being located by ground runner device, rest under the portal crossbeam, is measurement plane by wheel to the vertical guide of axis, the X-Y coordinate axle is positioned on the portal crossbeam, microcomputer is by vertical measuring mechanism, the grating chi reading of horizontal supposition measuring mechanism, the reading of measuring head circle grating and sensor, the orientation of control sensor in measurement plane, make it vertical as far as possible near tested local surfaces, thereby correct measurement goes out the plane coordinates of certain point of surface, progressively changes and adjust sensor orientation to scan most of profilograph.Wherein the vertical measuring mechanism measuring pulley on both sides utilizes the known diameter of bearing or axle journal to the coordinate of outside race or axle journal vertex and wheel seat crop vertex, determines plane coordinates and the wheel seat radius of wheel to pivot center; Middle vertical measuring mechanism is measured the rim contour characteristic point coordinates simultaneously, calculate wheel rim thickness and width, tread wear, flange thickness, distance between backs of wheel flanges, radius of wheel and the axle body radius of wheel at last, this is external when taking turns slow rolling, by measuring the range difference of wheel rolling circle, outside race vertex and datum line, off-centre and the sassafras that can calculate wheel hinder.
Another kind of technical scheme of the present invention is to adopt the electronic slide rail crosswise fixed of ball screw on portal, the flexible measuring mechanism that leading screw drives is vertical to be fixed on the slide block of electronic slide rail, the amount of movement of slide block is controllable and measurable, and the measuring head that is provided with a plurality of sensors is fixed on the sounding rod lower end of flexible measuring mechanism; The scale of grating chi is fixed on the shell of measuring mechanism, the moving chi of grating chi is fixed on the expansion link by transmission connection piece, measuring head on the expansion link can move up and down, amount of movement is controllable and measurable, measuring head also is provided with the mechanism that makes sensor rotate and carry out measurement of angle, measuring mechanism adopts eddy current or inductance displacement sensor, and microcomputer direct control measurement process is also calculated and the record result of a measurement.
The present invention's advantage compared with prior art is as follows: 1, two expansion link mechanisms of Cai Yonging add the triangular structure that three hinge joints form, good rigidity, the pivotally attached gap eliminates easily, move flexibly, repetitive positioning accuracy is high, and it is accurate to utilize grating chi reading to carry out the measuring head orientation that triangulation calculation determines; 2, structure of the present invention, less demanding to working accuracy, so cost is lower; 3, owing to adopt eddy current or inductance displacement sensor, it is insensitive to surface contamination, and result of a measurement is the profile of metal solid, and is more accurate; 4, apparatus of the present invention do not need huge accurate wheel to registration device, adapt to the difference of wheel to size with software, have simplified physical construction.5, adopt microcomputer to control and information processing can directly obtain data, be particularly suitable for wheel on the repair line carrying out not contact measurement.In addition, measure for the object profile that surface ratio is cleaner, measuring head also can adopt laser displacement sensor, reduces measured zone, thereby obtain finer profilograph, survey sensor also can adopt the contact measuring head of tangent displacement sensor or 3 coordinate measurement machines.
Description of drawings of the present invention is as follows:
Fig. 1 is apparatus of the present invention overall construction drawings.
Fig. 2 is the measuring mechanism section-drawing of hang spring traction of the present invention
Fig. 3 is the measuring mechanism section-drawing that leading screw of the present invention drives
Fig. 4 is the section-drawing of the horizontal supposition measuring mechanism of the present invention
Fig. 5 is the constructional drawing of the measuring mechanism measuring head of leading screw driving
Fig. 6 is that the A of Fig. 2 of the present invention is to partial view
Fig. 7 is that the B of Fig. 3 of the present invention is to partial view
Fig. 8 is that the C of Fig. 3 of the present invention is to partial view
Fig. 9 is that the D of Fig. 4 of the present invention is to partial view
Figure 10 is that microcomputer system of the present invention is connected block diagram with measuring mechanism
Below in conjunction with accompanying drawing most preferred embodiment of the present invention is further described: comprise a portal and two groups of scalable measuring mechanisms that are symmetrically arranged and microcomputer system, the output of grating chi, rotary encoder and the sensor of measuring mechanism links to each other with the input of microcomputer system, the crossbeam 9 of portal is provided with hang spring traction measuring mechanism and leading screw drives measuring mechanism, arrange vertically that all the measuring head that is provided with sensor is fixed on the free end of expansion link; Horizontal supposition measuring mechanism is located on the column 11 of portal, the shell 3 of horizontal supposition measuring mechanism and column 11 be connected to hingedly, its expansion link 39 is hinged with the expansion link 31 that is arranged in the measuring mechanism in the middle of the portal.The scale of grating chi is fixed on the shell of measuring mechanism, and the moving chi of grating chi is fixed on the expansion link by transmission connection piece.The expansion link of horizontal supposition measuring mechanism is connected with the expansion link that leading screw drives measuring mechanism with hinge pin 8, it pushes away pendulum pin 7 and intermittently pastes mutually with measuring mechanism housing 1 left side, microcomputer system device 10 is fixed on the crossbeam 9, testing wheel is to being positioned under the portal, is measurement plane by wheel to the vertical guide of axis.
The structure of hang spring traction measuring mechanism as shown in Figure 2, it is made up of housing 1, seizing wire 14, linear bearing 15, expansion link 17, grating chi scale 16, moving chi 18, sensor 21, sensor 22 and fabricated section 20 thereof.Sensor 21, sensor 22 are fixed on the expansion link 17 by fabricated section 20, its other end links to each other with seizing wire 14, the steel rope other end is wound on the reel 23, and reel is connected by retarder 24 with motor 28, and sensor 21, sensor 22 can stretch along the direction of housing 1 like this.Grating chi scale 16 is fixed on the measuring mechanism housing 1, and moving chi 18 is fixed on the expansion link by transmission connection piece.
The measuring mechanism that leading screw drives is made up of telescoping mechanism and measuring head, wherein the structure of measuring mechanism as shown in Figure 3, it is by housing 2, leading screw 27, nut 29, hinge pin 5, expansion link 31, stepping motor 25, motor fixed way 26, grating chi scale 32, moving chi 34, part 33 is in transmission connection, manual nut 30 compositions such as grade, stepping motor 25 links to each other with leading screw 27 by key, leading screw 27, expansion link 31 links to each other by the part 33 that is in transmission connection with grating dynamic device 34, the scale 32 of grating chi is fixed on the housing 2, expansion link 31 is affixed with measuring head shell 35, the shell 2 of telescoping mechanism cuts with scissors on housiung separator 9 by hinge pin 5, the motor rotational lead screw can make nut move, drive expansion link and 34 slips of moving chi, measuring head is moved up and down along housing 2 directions.The structure of measuring head as shown in Figure 5, it is made up of shell 35, rotating shaft 13, rotary encoder 49, shaft coupling piece 52, stepping motor 51, coder connecting strap 53, captive joint pin 36, sensor 55, sensor stand 54, sensor captive nut 56, calibration element 46 and calibration element 48 and support 19 and support 50 etc.Stepping motor 51 is fixed on the measuring head shell, and motor shaft links to each other with rotating shaft 13 by attaching parts 52.Rotating shaft 13 ends are provided with sensor 55.Sensor 55 is affixed by support 54 and rotating shaft 13 ends, is provided with hollow shaft rotary encoder 49 in the measuring head housing.The shell of coder 49 is captiveed joint by connecting strap 53 with the inboard of housing 35, and motor 51 drives rotating shaft 13 shakes the head sensor 55, and calibration element 46 and calibration element 48 are used for the automatic demarcation of sensor 55.
The concrete structure of horizontal supposition measuring mechanism as shown in Figure 4, it is by shell 3, leading screw 47, nut 45, hinge pin 6, expansion link 39, stepping motor 38, motor fixed way 37, grating chi scale 40, moving chi 41, part 42 is in transmission connection, push away pendulum pin 7, manual nut 44, push away pendulum joint 43 and pin 8 compositions, stepping motor 38 links to each other with leading screw 47 by key, leading screw 47, expansion link 39 links to each other by the part 42 that is in transmission connection with grating dynamic device 41, the scale 40 of grating chi is fixed on the housing 3, the right-hand member of expansion link 39 links to each other with the expansion link 31 of the measuring mechanism of leading screw driving by pushing away pendulum joint 43 and pin 8, horizontal supposition measuring mechanism shell 3 cuts with scissors in framework pillar 11 by hinge pin 6, and expansion link 39 middle parts have the pendulum that pushes away of band roller to sell 7.Like this, the motor rotational lead screw moves nut, driving expansion link 39 and grating dynamic device slides, thereby the measuring mechanism swing that leading screw is driven, in addition when expansion link 39 moves to certain limit, push away pendulum pin 7 and recline with the measuring mechanism housing 1 that hang spring draws, swing it into measuring position, wheel seat summit, sensor 21 provides swings the signal that puts in place.The type of drive of above-mentioned scalable measuring mechanism also can be that hydraulic-driven or air pressure drive.The measurement process of rim for automobile wheel cross dimensions is: the measuring mechanism that microcomputer device 10 drives by leading screw, the grating chi reading of horizontal supposition measuring mechanism, the reading of measuring head circle grating 49 and sensor 55 calculates relevant length, by control step motor 38 and stepping motor 25 and stepping motor 51 orientation of control sensor 55 in measurement plane, make it vertical as far as possible near tested part, make measured point fall into the range ability of sensor, write down sensor output simultaneously, the reading of circle grating and grating chi, thereby utilize the trigonometric function relation to calculate the plane coordinates of certain point of surface, the azimuth sweep that progressively changes and adjust sensor goes out most of profilograph, and final online calculates the rim width and the thickness of left and right wheels, tread wear, flange thickness and distance between backs of wheel flanges.The principle of measurement of wheel and axletree diameter: microcomputer slides up and down expansion link 17 by the motor 28 of control hang spring traction measuring mechanism in housing 1, adjust the position of sensor in the vertical direction, make measured point be positioned at the range ability of sensor, the common by gravity of measuring mechanism, abut against on the spacing part 12, the vertex coordinate of measurement axis bearing outer-ring or axle journal, utilize the known diameter of outside race or axle journal, determine the plane coordinates of wheel to pivot center, the wheel rolling circle that the measuring mechanism that utilizes leading screw to drive obtains and the position of axle body vertex calculate the diameter of measuring the section part wheel; When measuring wheel seat or crop diameter, pushing away pendulum pin 7 swings the measuring mechanism of hang spring traction to the right, measuring head suitably descends simultaneously, guiding by sensor 21 makes measuring unit near the wheel hub outside, moving down measuring unit then makes the axletree surface at wheel seat crop position fall into the measurement range of sensor 22, the length of hand, the position that pushes away pendulum pin 7 and the output of sensor measured in record, calculates the coordinate of vertex, calculates the diameter of wheel seat crop again.This is external when taking turns slow rolling, by measuring the range difference of wheel rolling circle, outside race vertex and datum line, can calculate the off-centre and the sassafras wound of wheel.Microcomputer system as shown in figure 10, it is touched plate, grating chi, circle grating, inductance or eddy displacement sensor, programmable logic controller (PLC) PLC, environment temperature sensor, stepping motor and actuator thereof by micro computer and application software, three-dimensional coordinates measurement and step motor control plate PCL-833 and PCL-839, multi-channel A/D and forms.Wherein three-dimensional coordinates measurement and step motor control plate are finished the measurement and the control of the measuring mechanism of a left side or the driving of right wheel leading screw respectively, and PLC finishes the right location of wheel, rotates control, finish the measurement control of wheel seat diameter simultaneously.The right perfect measurement process of wheel is: testing wheel is to after being rested on the crossbeam below by runner device location, manually press " 1 section " and measure button, start first section testing process, make the measuring mechanism 1 of hang spring traction and the measuring mechanism 2 of leading screw driving be in detection bearing or axle journal and wheel rolling dome point respectively during end, then PLC control runner device motor makes wheel to rotation, take turns misalignment measurement, wheel is to after rotating about 120 °, manually press " 2 section " button, system carries out the measurement of the 2nd section and wheel eccentricities with the same manner, press " 3 section " button at last, finish the 3rd section and last part accentric and measure.The measurement process of 3 sections is identical, and after measurement was finished, microcomputer showed according to relevant requirements and print whole result of a measurement and carry out qualification determination that total data is stored with the form of file, provides network access service in non-measuring phases.
Claims (10)
1. a railway vehicle wheel is to the geometric parameter automatic device measuring, comprise a portal and two groups of scalable measuring mechanisms that are symmetrically arranged and microcomputer system, the output of grating chi, rotary encoder and the sensor of measuring mechanism links to each other with the input of microcomputer system, the crossbeam (9) that it is characterized in that portal is provided with hang spring traction measuring mechanism and leading screw driving measuring mechanism, arrange vertically that all the measuring head that is provided with sensor is fixed on the free end of expansion link; Horizontal supposition measuring mechanism is located on the column (11) of portal, and its expansion link (39) is hinged with the expansion link (31) that is arranged in the measuring mechanism of portal inboard.
2. railway vehicle wheel according to claim 1 is characterized in that to the geometric parameter automatic device measuring shell (1) of hang spring traction measuring mechanism and the shell (2) that leading screw drives measuring mechanism are hinged with being connected to of crossbeam (9).
3. railway vehicle wheel according to claim 1 is to the geometric parameter automatic device measuring, it is characterized in that horizontal supposition measuring mechanism shell (3) and column (11) be connected to hinged.
4. railway vehicle wheel according to claim 1 is characterized in that to the geometric parameter automatic device measuring scale of described grating chi is fixed on the shell of measuring mechanism, and the moving chi of grating chi is fixed on the expansion link by transmission connection piece.
5. railway vehicle wheel according to claim 1 is characterized in that to the geometric parameter automatic device measuring housing (35) of described measuring head is provided with stepping motor (51), and motor shaft links to each other with rotating shaft (13) by attaching parts (52).
6. railway vehicle wheel according to claim 5 is characterized in that to the geometric parameter automatic device measuring described rotating shaft (13) end is provided with sensor (55).
7. railway vehicle wheel according to claim 1 is to the geometric parameter automatic device measuring, it is characterized in that being provided with and the coaxial mounted rotary encoder of rotating shaft (13) (49) in the housing (35) of described measuring head.
8. railway vehicle wheel according to claim 1 is characterized in that to the geometric parameter automatic device measuring described scalable measuring mechanism can be other version, and type of drive also can be a hydraulic-driven or pneumatic.
9. railway vehicle wheel according to claim 1 is characterized in that to the geometric parameter automatic device measuring described sensor also can be a laser displacement sensor, can also be touch sensor.
10. a railway vehicle wheel is to the geometric parameter automatic device measuring, comprise a portal and two groups of scalable measuring mechanisms that are symmetrically arranged and microcomputer system, the output of grating chi, rotary encoder and the sensor of measuring mechanism links to each other with the input of microcomputer system, it is characterized in that the electronic slide rail crosswise fixed of ball screw is on portal, the flexible measuring mechanism that leading screw drives is vertical to be fixed on the slide block of electronic slide rail, and the measuring head that is provided with a plurality of sensors is fixed on the free end of expansion link; The scale of grating chi is fixed on the shell of measuring mechanism, and the moving chi of grating chi is fixed on the expansion link by transmission connection piece, and measuring head also is provided with the sensor rotating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011085266A CN1140432C (en) | 2001-06-12 | 2001-06-12 | Automatic geometric parameter measuring equipment for wheel pair of railroad carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011085266A CN1140432C (en) | 2001-06-12 | 2001-06-12 | Automatic geometric parameter measuring equipment for wheel pair of railroad carriage |
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| Publication Number | Publication Date |
|---|---|
| CN1318487A true CN1318487A (en) | 2001-10-24 |
| CN1140432C CN1140432C (en) | 2004-03-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011085266A Expired - Fee Related CN1140432C (en) | 2001-06-12 | 2001-06-12 | Automatic geometric parameter measuring equipment for wheel pair of railroad carriage |
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| CN (1) | CN1140432C (en) |
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101410286B (en) * | 2006-03-29 | 2011-02-09 | 通用电气公司 | Rail wheel servicing management system |
| CN102062577A (en) * | 2010-12-06 | 2011-05-18 | 柳州科路测量仪器有限责任公司 | Automatic laser detector for wheel sets and method for automatically detecting wheel sets |
| CN102147235A (en) * | 2011-01-13 | 2011-08-10 | 马鞍山钢铁股份有限公司 | Device for automatically measuring outer diameter of vehicle wheel on line and measurement method thereof |
| CN102506684A (en) * | 2011-10-13 | 2012-06-20 | 上海铁路局科学技术研究所 | Digital display type station limit measuring scale and measuring method thereof |
| CN102735174A (en) * | 2012-07-17 | 2012-10-17 | 中国石油集团渤海石油装备制造有限公司 | Automatic measuring device for circumference of spiral submerged-arc welding pipe |
| CN104101371A (en) * | 2014-07-11 | 2014-10-15 | 西安电子科技大学 | Small fully-automatic multistage rapid telescopic link device |
| CN104197882A (en) * | 2014-09-19 | 2014-12-10 | 长春理工大学 | Multi-parameter non-contact online detection device for large-size stepped shafts |
| CN105014353A (en) * | 2015-07-15 | 2015-11-04 | 铜陵科达车辆装备有限责任公司 | Railway wheelset press-fitting mechanism with end surface of axle as benchmark |
| CN106352794A (en) * | 2016-10-31 | 2017-01-25 | 郑州铁路职业技术学院 | Automatic detecting instrument for railway vehicle wheel shaft concentricity |
| CN106769116A (en) * | 2016-12-03 | 2017-05-31 | 中国航空工业集团公司北京长城计量测试技术研究所 | A kind of high ferro bogie on-line automatic detection device |
| CN106813556A (en) * | 2015-11-27 | 2017-06-09 | 上海船厂船舶有限公司 | Adjusting means, the measurement apparatus containing it, measuring method |
| CN107044818A (en) * | 2015-10-06 | 2017-08-15 | 株式会社三丰 | Measuring probe and measurement probe system |
| CN108050975A (en) * | 2018-02-09 | 2018-05-18 | 安徽瑞铁轨道装备有限公司 | Railway Press Fit Device for Wheelset laser measurement distance between backs of wheel flanges mechanism |
| CN108196029A (en) * | 2018-03-02 | 2018-06-22 | 绵阳金泰机械设备制造有限公司 | A kind of metal parts defect detecting system and restorative procedure |
| CN108225248A (en) * | 2017-12-19 | 2018-06-29 | 柳州科路测量仪器有限责任公司 | Railway freight car wheel is to axle journal automatic measurement machine |
| CN108759686A (en) * | 2018-08-01 | 2018-11-06 | 浙江朗奥物流科技有限公司 | A kind of roller Geometrical Parameter Testing experimental rig |
| CN108917657A (en) * | 2018-09-26 | 2018-11-30 | 常州利腾机械有限公司 | A kind of laser multi-diameter shaft testing apparatus for verticality |
| CN109732308A (en) * | 2019-03-07 | 2019-05-10 | 江苏瑞铁轨道装备股份有限公司 | A kind of dynamic compensation method during wheelset fitting |
| CN110398218A (en) * | 2019-08-01 | 2019-11-01 | 郑州铁总智能科技有限公司 | A kind of automatically scanning mapping system |
| CN110530228A (en) * | 2019-10-11 | 2019-12-03 | 中国化工集团曙光橡胶工业研究设计院有限公司 | A kind of aircraft tyre tire shoulder dimensional measurement slide calliper rule and measurement method |
| CN110849280A (en) * | 2019-12-02 | 2020-02-28 | 中国科学院长春光学精密机械与物理研究所 | Wheel measuring equipment |
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| CN112344899A (en) * | 2021-01-11 | 2021-02-09 | 中车常州车辆有限公司 | Method for detecting three-dimensional contour of tread of wheel set without centering |
| CN112763242A (en) * | 2021-04-12 | 2021-05-07 | 西南交通大学 | Reliability evaluation test bed for rail state vehicle-mounted detection system |
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- 2001-06-12 CN CNB011085266A patent/CN1140432C/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101410286B (en) * | 2006-03-29 | 2011-02-09 | 通用电气公司 | Rail wheel servicing management system |
| CN102062577A (en) * | 2010-12-06 | 2011-05-18 | 柳州科路测量仪器有限责任公司 | Automatic laser detector for wheel sets and method for automatically detecting wheel sets |
| CN102062577B (en) * | 2010-12-06 | 2012-07-18 | 柳州科路测量仪器有限责任公司 | Automatic laser detector for wheel sets and method for automatically detecting wheel sets |
| CN102147235A (en) * | 2011-01-13 | 2011-08-10 | 马鞍山钢铁股份有限公司 | Device for automatically measuring outer diameter of vehicle wheel on line and measurement method thereof |
| CN102147235B (en) * | 2011-01-13 | 2013-11-20 | 马鞍山钢铁股份有限公司 | Device for automatically measuring outer diameter of vehicle wheel on line and measurement method thereof |
| CN102506684A (en) * | 2011-10-13 | 2012-06-20 | 上海铁路局科学技术研究所 | Digital display type station limit measuring scale and measuring method thereof |
| CN102506684B (en) * | 2011-10-13 | 2013-08-28 | 上海铁路局科学技术研究所 | Digital display type station limit measuring scale and measuring method thereof |
| CN102735174A (en) * | 2012-07-17 | 2012-10-17 | 中国石油集团渤海石油装备制造有限公司 | Automatic measuring device for circumference of spiral submerged-arc welding pipe |
| CN102735174B (en) * | 2012-07-17 | 2014-10-01 | 中国石油集团渤海石油装备制造有限公司 | Automatic measuring device for circumference of spiral submerged-arc welding pipe |
| CN104101371B (en) * | 2014-07-11 | 2016-04-20 | 西安电子科技大学 | The multistage quick-expansion lever apparatus of a kind of small size automatic |
| CN104101371A (en) * | 2014-07-11 | 2014-10-15 | 西安电子科技大学 | Small fully-automatic multistage rapid telescopic link device |
| CN104197882A (en) * | 2014-09-19 | 2014-12-10 | 长春理工大学 | Multi-parameter non-contact online detection device for large-size stepped shafts |
| CN105014353A (en) * | 2015-07-15 | 2015-11-04 | 铜陵科达车辆装备有限责任公司 | Railway wheelset press-fitting mechanism with end surface of axle as benchmark |
| CN107044818A (en) * | 2015-10-06 | 2017-08-15 | 株式会社三丰 | Measuring probe and measurement probe system |
| CN107044818B (en) * | 2015-10-06 | 2020-05-05 | 株式会社三丰 | Measuring probe and measuring probe system |
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