CN201697897U - Automatic under-floor ultrasonic defect detector for railway vehicle - Google Patents

Automatic under-floor ultrasonic defect detector for railway vehicle Download PDF

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Publication number
CN201697897U
CN201697897U CN2010202209733U CN201020220973U CN201697897U CN 201697897 U CN201697897 U CN 201697897U CN 2010202209733 U CN2010202209733 U CN 2010202209733U CN 201020220973 U CN201020220973 U CN 201020220973U CN 201697897 U CN201697897 U CN 201697897U
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CN
China
Prior art keywords
probe
wheel rim
wheel
tread
rail
Prior art date
Application number
CN2010202209733U
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Chinese (zh)
Inventor
高光辉
马建群
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北京新联铁科技发展有限公司
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Priority to CN2010202209733U priority Critical patent/CN201697897U/en
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Publication of CN201697897U publication Critical patent/CN201697897U/en

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00Testing of vehicles
    • G01M17/08Railway vehicles
    • G01M17/10Suspensions, axles or wheels

Abstract

An automatic under-floor ultrasonic defect detector for a railway vehicle is composed of a probe, a walking chassis, a supporting-turning wheel mechanism, a tread probe feeding mechanism, two rim probe feeding mechanisms, a power driving mechanism, a hydraulic system and a control system. The probe is a split-type phased array ultrasonic probe and comprises 1 tread probe and 2 rim probes. The supporting-turning wheel mechanism can support the measured wheel and drive the wheel to rotate; the tread probe feeding mechanism can automatically feed the tread probe through the narrow and flexural space under the chassis to the tread position of two coaxial wheels; 2 rim probe feeding mechanisms automatically and respectively feed 2 rim probes to the rim position of the two coaxial wheels; and the probes finish the defect detection together. The automatic under-floor ultrasonic defect detector is applicable to various domestic railway vehicles, in particular to the under-floor wheel defect detection of various railway high speed trains and various railway motor train units.

Description

Rail vehicle does not fall to taking turns ultrasound wave wheel automatic inspection equipment
Affiliated technical field
The utility model relates to a kind of metallic wheel defect-detecting equipment, and especially a kind of wheel that need not that is used for rail vehicle carries out the equipment that the ultrasound wave wheel is detected a flaw automatically.
Background technology
The wheel of rail vehicle in use, therefore metal inside can produce fatigue crack, influences traffic safety, must regularly carry out UT (Ultrasonic Testing).Existing flaw detection mode has two classes, and a class is that wheel is pulled down the back flaw detection from vehicle, the wheel flaw detection that promptly falls, and another kind of is that the wheel that is contained on the vehicle is directly detected a flaw, the wheel flaw detection does not promptly fall.The apparent latter is better than the former at aspects such as efficient, cost, promptnesses.The present Chinese domestic known defect-detecting equipment that do not fall to taking turns that still do not have, external existing this kind equipment, but the external defect-detecting equipment that do not fall to taking turns only is equipped with a cover probe feeding unit, its probe is wheel rim probe, tread probe integral type, volume is bigger, is difficult to by the space of narrow and small complications under the vehicle chassis probe is fed to the wheel place.Therefore overseas equipment can only be used for specific high chassis vehicle.Vehicle at home can't be general in particularly various railway high speed train and the various railway motor-car.At home under the background that track traffic high speed process advances rapidly, there is not the suitable great technology barrier that the wheel defect-detecting equipment has become the high-speed rail transportation safety guarantee that do not fall to taking turns.
Summary of the invention
What the purpose of this utility model provided a kind of new construction does not fall to taking turns the wheel defect-detecting equipment, makes it can be common to domestic various rail vehicle, the wheel flaw detection that do not fall of particularly various railway high speed train and various railway motor vehicle wheels.
For achieving this end, technical solution adopted in the utility model is as follows: this rail vehicle does not fall to taking turns ultrasound wave wheel automatic inspection equipment and is made up of probe, walking chassis, support roller runner mechanism, tread probe feed mechanism, wheel rim probe feed mechanism, power-driven mechanism, hydraulic system, control system.It is characterized in that probe for split type, be divided into 1 tread probe and 2 wheel rim probes; The matrix of support roller runner mechanism is 1 lifting table, and lifting table is connected the walking chassis top that has road wheel by the lifting table oil cylinder, but under the promotion of lifting table oil cylinder VTOL (vertical take off and landing); 2 load-bearing axles pass and are supported in the lifting table, and 2 spandrel girders are set in the two ends of 2 load-bearing axles, and each spandrel girder all stretches out 2 hook plates, and spandrel girder can move axially along the load-bearing axle; 4 jig arm are distinguished the outermost end of movable set at 2 load-bearing axles, be positioned at the spandrel girder outside, 2 jig arm of every side can move axially along the load-bearing axle with the spandrel girder of homonymy, 2 jig arm lower ends of every side are connected on the cylinder bottom and piston rod of jig arm oil cylinder, the flexible pulling of jig arm oil cylinder piston bar jig arm is rotated on the load-bearing axle, 1 support roller is equipped with in each jig arm upper end, and support roller can rotate under drive unit drives; The matrix of tread probe feed mechanism is a longitudinal rail, longitudinal rail is connected the lifting table top by the longitudinal rail oil cylinder, but longitudinal rail is VTOL (vertical take off and landing) under the promotion of longitudinal rail oil cylinder, vertically planker is contained on the longitudinal rail, longitudinally guide rail moves, vertically on the planker horizontal rotation device is housed, the horizontal rotation device can drive the horizontal rotation arm horizontal rotation on it, horizontal rotation arm front end stretches out the revoliving arm guide rod of 2 levels, vertical slewing equipment is sleeved on 2 revoliving arm guide rods versatilely, can move along the revoliving arm guide rod, tread probe guide rail is contained on the vertical slewing equipment, drives revolution by vertical slewing equipment, and tread probe planker is contained on the tread probe guide rail, can move along the tread guide rail of popping one's head in, the tread probe is contained on the tread probe planker; The matrix of wheel rim probe feed mechanism is 2 wheel rim probe vertical guide rails, 2 wheel rim probe vertical guide rails are installed in respectively on 2 spandrel girders of both sides, 1 wheel rim probe vertical saddle respectively is housed on each wheel rim probe vertical guide rail, each wheel rim probe vertical saddle can move along wheel rim probe vertical guide rail separately, respectively be fixed with 1 wheel rim probe horizontal guide rail on each wheel rim probe vertical saddle, on each wheel rim probe horizontal guide rail 1 horizontal planker of wheel rim probe is housed respectively, 2 horizontal plankers of wheel rim probe can move along wheel rim probe horizontal guide rail separately, and 2 wheel rim probes are contained in respectively on 2 horizontal plankers of wheel rim probe.
1 tread probe and 2 wheel rim probes are all the phased-array ultrasonic probe.
The road wheel on walking chassis all has wheel rim, can lead in orbit.
Support roller end face on every side jig arm front end and this side jig arm is a fixed value along the axial distance of load-bearing axle, makes every side jig arm axially outer when mobile along load-bearing with the spandrel girder of homonymy, and in the time of above hook plate arrives the vehicle rail, the support roller on the jig arm aligns with wheel.
When this rail vehicle did not fall to taking turns the work of ultrasound wave wheel automatic inspection equipment, road wheel was along the orbital motion in the melt pit of tested vehicle below, and the walking chassis drives entire equipment and enters the tested vehicle below, and aligns with a pair of coaxial wheel on the vehicle.Lifting table rises under the lifting table hydraulic oil cylinder driving hook plate is higher than above the vehicle rail, the both sides spandrel girder stretches out outside load-bearing axially, hook plate catches on above the vehicle rail, the jig arm oil cylinder piston bar of both sides stretches out, promote jig arm and rotate around the load-bearing axle, 2 jig arm upper ends of homonymy are close mutually, and the support roller on the jig arm of both sides is clamped the tested wheel of both sides respectively, and tested wheel is lifted under the effect of clamping force, breaking away from rail cover becomes vacant state.The drive unit that starts support roller makes the support roller rotation, and then drives tested wheel by the friction force between support roller and tested wheel.Under control system control, the longitudinal rail oil cylinder of tread probe feed mechanism is with longitudinal rail jack-up, vertically planker moves on longitudinal rail, the horizontal rotation device drives the horizontal rotation arm and rotates, vertical slewing equipment moves on the revoliving arm guide rod, tread probe guide rail drives turning down at vertical slewing equipment, and tread probe planker moves on tread probe guide rail.These motions form the special exercise track of tread probe planker under the coordination control of control system, make the tread probe on the tread probe planker, are able to arrive tested vechicle wheel tread place by the space of narrow and small complications under the tested vehicle chassis, carry out the tread flaw detection.After the tested wheel flaw detection of one side finished, above-mentioned each moving component made the tested vechicle wheel tread place of tread probe arrival with opposite side on the axletree by another particular track Union Movement, carries out the tread flaw detection of opposite side wheel.2 wheel rim probe feed mechanisms are started working simultaneously, and wheel rim probe vertical saddle moves along wheel rim probe vertical guide rail together with the probe of the wheel rim on it horizontal guide rail, and the horizontal planker of wheel rim probe moves along wheel rim probe horizontal guide rail together with the probe of the wheel rim on it.The motion of both direction finally makes 2 wheel rim probes respectively by the wheel rim of last both sides wheel, carries out the wheel rim flaw detection of two wheels.Tested wheel is in rotary state in the flaw detection process, makes to detect a flaw to the whole profile of wheel.After flaw detection finished, each parts of defectoscope resetted, and the walking chassis to next axletree place, is carried out the flaw detection of new round wheel along the orbital motion in the melt pit in a manner described.
The beneficial effects of the utility model are to adopt split type probe, probe size is dwindled, be equipped with three cover probe feeding units, make 3 probes can arrive the tread and the wheel rim place of domestic various rail vehicle wheel smoothly, finish to fall automatically and take turns the flaw detection of phased-array ultrasonic wheel.For high-speed rail transportation safety provides the important technology guarantee.
Description of drawings
Below in conjunction with accompanying drawing structure of the present utility model is elaborated:
Accompanying drawing 1 is that rail vehicle does not fall to taking turns ultrasound wave wheel automatic inspection equipment complete machine axle side sketch.
In accompanying drawing 1, the 1st, road wheel, the 2nd, walking chassis, the 3rd, jig arm oil cylinder, the 4th, support roller, the 5th, jig arm, the 6th, load-bearing axle, the 7th, spandrel girder, the 8th, hook plate, the 9th, lifting table, the 10th, lifting table oil cylinder, the 11st, longitudinal rail oil cylinder, the 12nd, longitudinal rail, the 13rd, vertical planker, the 14th, horizontal rotation device, the 15th, horizontal rotation arm, the 16th, revoliving arm guide rod, the 17th, vertical slewing equipment, the 18th, tread probe guide rail, the 19th, tread probe planker, the 20th, tread probe, the 21st, wheel rim probe, the 22nd, the horizontal planker of wheel rim probe, the 23rd, wheel rim probe horizontal guide rail, the 24th, wheel rim probe vertical saddle, the 25th, wheel rim probe vertical guide rail.
Embodiment
This rail vehicle does not fall to taking turns the concrete structure of ultrasound wave wheel automatic inspection equipment and is as shown in Figure 1: lifting table 9 is by (totally 4 of lifting table oil cylinders 10, each 1 of four jiaos of lifting table) be connected and have (totally 4 of road wheels 1, on four jiaos on chassis of walking each 1) 2 tops, walking chassis, but lifting table 9 VTOL (vertical take off and landing) under the promotion of lifting table oil cylinder 10; Load-bearing axle 6 (totally 2 are arranged in parallel) passes and is supported in the lifting table 9, and spandrel girder 7 (totally 2, symmetria bilateralis is arranged) is set in the two ends of 2 load-bearing axles 6, and each spandrel girder 7 all stretches out 2 hook plates 8, and spandrel girder 7 can move axially along load-bearing axle 6; 4 jig arm 5 are distinguished the outermost end of movable sets at 2 load-bearing axles 6, be positioned at spandrel girder 7 outsides, 2 jig arm 5 of every side can move axially along load-bearing axle 6 with the spandrel girder 7 of homonymy, 2 jig arm 5 lower ends of every side are connected to (totally 2 of jig arm oil cylinders 3, the symmetria bilateralis arrangement) on the cylinder bottom and piston rod, the flexible pulling of the piston rod of jig arm oil cylinder 3 jig arm 5 is rotated on load-bearing axle 6, and 1 support roller 4 (totally 4) is equipped with in the upper end of each jig arm 5, and support roller 4 can rotate under drive unit drives; Longitudinal rail 12 is by (totally 4 of longitudinal rail oil cylinders 11, each 1 of four jiaos of longitudinal rail) be connected lifting table 9 tops, but longitudinal rail 12 is VTOL (vertical take off and landing) under the promotion of longitudinal rail oil cylinder 11, vertically planker 13 is contained on the longitudinal rail 12, longitudinally guide rail 12 moves, vertically on the planker 13 horizontal rotation device 14 is housed, horizontal rotation device 14 can drive horizontal rotation arm 15 horizontal rotations on it, horizontal rotation arm 15 front ends stretch out the revoliving arm guide rod 16 of 2 levels, vertical slewing equipment 17 is sleeved on 2 revoliving arm guide rods 16 versatilely, can move along revoliving arm guide rod 16, tread probe guide rail 18 is contained on the vertical slewing equipment 17, drive revolution by vertical slewing equipment 17, tread probe planker 19 is contained on the tread probe guide rail 18, can move along the tread guide rail 18 of popping one's head in, tread probe 20 is contained on the tread probe planker 19; 2 wheel rim probe vertical guide rails 25 are installed in respectively on 2 spandrel girders 7 of both sides, 1 wheel rim probe vertical saddle 24 respectively is housed on each wheel rim probe vertical guide rail 25, each wheel rim probe vertical saddle 24 can move along wheel rim probe vertical guide rail 25 separately, respectively be fixed with 1 wheel rim probe horizontal guide rail 23 on each wheel rim probe vertical saddle 24, on each wheel rim probe horizontal guide rail 23 1 horizontal planker 22 of wheel rim probe is housed respectively, 2 horizontal plankers 22 of wheel rim probe can move along wheel rim probe horizontal guide rail 23 separately, and 2 wheel rim probes 21 are contained in respectively on 2 horizontal plankers 22 of wheel rim probe.
When this rail vehicle did not fall to taking turns the work of ultrasound wave wheel automatic inspection equipment, road wheel 1 was along the orbital motion in the melt pit of tested vehicle below, and walking chassis 2 drives entire equipment and enters the tested vehicle below, and aligns with a pair of coaxial wheel on the vehicle.Lifting table 9 rises under the driving of lifting table oil cylinder 10, hook plate 8 is higher than above the vehicle rail, both sides spandrel girder 7 is protruding along load-bearing axle 6, hook plate 8 catches on above the vehicle rail, and jig arm oil cylinder 3 piston rods of both sides stretch out, and promotes jig arm 5 and rotates around load-bearing axle 6,2 jig arm 5 upper ends of homonymy are close mutually, support roller 4 on the both sides jig arm 5 is clamped the tested wheel of both sides respectively, and tested wheel is lifted under the effect of clamping force, and breaking away from rail cover becomes vacant state.The drive unit that starts support roller 4 makes support roller 4 rotations, and then drives tested wheel by the friction force between support roller 4 and tested wheel.Under control system control, the feed mechanism of tread probe 20 is started working, its longitudinal rail oil cylinder 11 is with longitudinal rail 12 jack-up, vertically planker 13 moves on longitudinal rail 12, horizontal rotation device 14 drives horizontal rotation arm 15 and rotates, vertical slewing equipment 17 moves on revoliving arm guide rod 16, and tread probe guide rail 18 drives turning down at vertical slewing equipment 17, and tread probe planker 19 moves on tread probe guide rail 18.These motions are under the coordination control of control system, form the special exercise track of tread probe planker 19, make the tread probe 20 on the tread probe planker 19 be able to arrive tested vechicle wheel tread place, carry out the tread flaw detection by the space of narrow and small complications under the tested vehicle chassis.After the tested wheel flaw detection of one side finished, above-mentioned each moving component was by another particular track Union Movement, and the tested vechicle wheel tread place that tread probe 20 is arrived with opposite side on the axletree carries out the tread flaw detection of opposite side wheel.The feed mechanism of 2 wheel rim probes 21 is started working simultaneously, wheel rim probe vertical saddle 24 moves along wheel rim probe vertical guide rail 25 together with the probe of the wheel rim on it horizontal guide rail 23, and the horizontal planker 22 of wheel rim probe moves along wheel rim probe horizontal guide rail 23 together with the probe 21 of the wheel rim on it.The motion of both direction finally makes 2 wheel rim probes 21 respectively by the wheel rim of last both sides wheel, carries out the wheel rim flaw detection of two wheels.Tested wheel is in rotary state in the flaw detection process, makes to detect a flaw to the whole profile of wheel.After flaw detection finished, each parts of defectoscope resetted, and walking chassis 2 to next axletree place, is carried out the flaw detection of new round wheel along the orbital motion in the melt pit in a manner described.

Claims (4)

1. a rail vehicle does not fall to taking turns ultrasound wave wheel automatic inspection equipment and is made up of probe, walking chassis, support roller runner mechanism, tread probe feed mechanism, wheel rim probe feed mechanism, power-driven mechanism, hydraulic system, control system.It is characterized in that probe for split type, be divided into 1 tread probe and 2 wheel rim probes; The matrix of support roller runner mechanism is 1 lifting table, and lifting table is connected the walking chassis top that has road wheel by the lifting table oil cylinder, but under the promotion of lifting table oil cylinder VTOL (vertical take off and landing); 2 load-bearing axles pass and are supported in the lifting table, and 2 spandrel girders are set in the two ends of 2 load-bearing axles, and each spandrel girder all stretches out 2 hook plates, and spandrel girder can move axially along the load-bearing axle; 4 jig arm are distinguished the outermost end of movable set at 2 load-bearing axles, be positioned at the spandrel girder outside, 2 jig arm of every side can move axially along the load-bearing axle with the spandrel girder of homonymy, 2 jig arm lower ends of every side are connected on the cylinder bottom and piston rod of jig arm oil cylinder, the flexible pulling of jig arm oil cylinder piston bar jig arm is rotated on the load-bearing axle, 1 support roller is equipped with in each jig arm upper end, and support roller can rotate under drive unit drives; The matrix of tread probe feed mechanism is a longitudinal rail, longitudinal rail is connected the lifting table top by the longitudinal rail oil cylinder, but longitudinal rail is VTOL (vertical take off and landing) under the promotion of longitudinal rail oil cylinder, vertically planker is contained on the longitudinal rail, longitudinally guide rail moves, vertically on the planker horizontal rotation device is housed, the horizontal rotation device can drive the horizontal rotation arm horizontal rotation on it, horizontal rotation arm front end stretches out the revoliving arm guide rod of 2 levels, vertical slewing equipment is sleeved on 2 revoliving arm guide rods versatilely, can move along the revoliving arm guide rod, tread probe guide rail is contained on the vertical slewing equipment, drives revolution by vertical slewing equipment, and tread probe planker is contained on the tread probe guide rail, can move along the tread guide rail of popping one's head in, the tread probe is contained on the tread probe planker; The matrix of wheel rim probe feed mechanism is 2 wheel rim probe vertical guide rails, 2 wheel rim probe vertical guide rails are installed in respectively on 2 spandrel girders of both sides, 1 wheel rim probe vertical saddle respectively is housed on each wheel rim probe vertical guide rail, each wheel rim probe vertical saddle can move along wheel rim probe vertical guide rail separately, respectively be fixed with 1 wheel rim probe horizontal guide rail on each wheel rim probe vertical saddle, on each wheel rim probe horizontal guide rail 1 horizontal planker of wheel rim probe is housed respectively, 2 horizontal plankers of wheel rim probe can move along wheel rim probe horizontal guide rail separately, and 2 wheel rim probes are contained in respectively on 2 horizontal plankers of wheel rim probe.
2. rail vehicle according to claim 1 does not fall to taking turns ultrasound wave wheel automatic inspection equipment, it is characterized in that: 1 tread probe and 2 wheel rim probes are all the phased-array ultrasonic probe.
3. rail vehicle according to claim 1 does not fall to taking turns ultrasound wave wheel automatic inspection equipment, it is characterized in that: the road wheel on walking chassis all has wheel rim, can lead in orbit.
4. rail vehicle according to claim 1 does not fall to taking turns ultrasound wave wheel automatic inspection equipment, it is characterized in that: the support roller end face on every side jig arm front end and this side jig arm is a fixed value along the axial distance of load-bearing axle, make every side jig arm with the spandrel girder of homonymy outside load-bearing axially when mobile, when hook plate arrived vehicle rail top, the support roller on the jig arm alignd with wheel.
CN2010202209733U 2010-06-10 2010-06-10 Automatic under-floor ultrasonic defect detector for railway vehicle CN201697897U (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103115962A (en) * 2013-01-25 2013-05-22 北京新联铁科技股份有限公司 System and method for detecting flaw of railway vehicle wheels by movable railway section
CN103472138A (en) * 2013-09-25 2013-12-25 北京新联铁科技股份有限公司 Track vehicle rim and tread flaw detection probe assembly system
CN103765205A (en) * 2011-06-22 2014-04-30 新日铁住金株式会社 Vehicle wheel ultrasonic flaw detection method
CN103884773A (en) * 2014-02-20 2014-06-25 马钢(集团)控股有限公司 Automatic ultrasonic flaw detection method for wheel rims
CN104076090A (en) * 2014-07-16 2014-10-01 北京新联铁科技股份有限公司 Parallel lifting wheel diagnostic machine without falling wheels
CN104458291A (en) * 2014-12-09 2015-03-25 南车株洲电力机车有限公司 Wheel jack-up device for rail vehicle
CN106248792A (en) * 2016-08-24 2016-12-21 北京主导时代科技有限公司 A kind of semi-automatic defect-detecting equipment being applicable to rolling stock Wheel set detecting
CN106394604A (en) * 2016-08-31 2017-02-15 北京主导时代科技有限公司 Automatic flaw detection device suitable for detection of rail train wheelset
CN106403813A (en) * 2016-08-29 2017-02-15 天津立中车轮有限公司 Comprehensive wheel detection device
CN106796204A (en) * 2015-04-16 2017-05-31 运输技术中心公司 System for checking track with phased-array ultrasonic

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103765205B (en) * 2011-06-22 2016-04-20 新日铁住金株式会社 The defect detection on ultrasonic basis of wheel
CN103765205A (en) * 2011-06-22 2014-04-30 新日铁住金株式会社 Vehicle wheel ultrasonic flaw detection method
CN103115962B (en) * 2013-01-25 2014-12-31 北京新联铁科技股份有限公司 System and method for detecting flaw of railway vehicle wheels by movable railway section
CN103115962A (en) * 2013-01-25 2013-05-22 北京新联铁科技股份有限公司 System and method for detecting flaw of railway vehicle wheels by movable railway section
CN103472138A (en) * 2013-09-25 2013-12-25 北京新联铁科技股份有限公司 Track vehicle rim and tread flaw detection probe assembly system
CN103472138B (en) * 2013-09-25 2017-01-11 北京新联铁科技股份有限公司 Track vehicle rim and tread flaw detection probe assembly system
CN103884773A (en) * 2014-02-20 2014-06-25 马钢(集团)控股有限公司 Automatic ultrasonic flaw detection method for wheel rims
CN103884773B (en) * 2014-02-20 2016-04-20 马钢(集团)控股有限公司 A kind of rim for automobile wheel automatic ultrasonic flaw-detecting method
KR20170035964A (en) * 2014-07-16 2017-03-31 베이징 신라인 그룹 컴퍼니 리미티드 Parallel lifting underfloor wheel crack detector
WO2016008201A1 (en) * 2014-07-16 2016-01-21 北京新联铁科技股份有限公司 Parallel lifting underfloor wheel crack detector
US20160178484A1 (en) * 2014-07-16 2016-06-23 Beijing Sheenline Technology Co., Ltd. A flaw detection machine with parallel lifting function, adapted for detecting flaw without demounting wheels
DE112014000788B4 (en) 2014-07-16 2018-09-27 Beijing Sheenline Group Co., Ltd. Radprüfgerät with Parallenhebeeinrichtung under the road
RU2651934C1 (en) * 2014-07-16 2018-04-24 Бейджин Шинлайн Груп Ко., Лтд. Unit for fault diagnosis with parallel jacking function, implemented with the possibility of fault diagnosis without dissembly of wheels
CN104076090A (en) * 2014-07-16 2014-10-01 北京新联铁科技股份有限公司 Parallel lifting wheel diagnostic machine without falling wheels
US9645053B2 (en) * 2014-07-16 2017-05-09 Beijing Sheenline Group Co., Ltd. Flaw detection machine with parallel lifting function, adapted for detecting flaw without demounting wheels
CN104076090B (en) * 2014-07-16 2016-06-29 北京新联铁科技股份有限公司 A kind of parallel lifting non-pulling wheel detecting flaw of wheel machine
KR101955448B1 (en) * 2014-07-16 2019-05-30 베이징 신라인 그룹 컴퍼니 리미티드 Parallel lifting underfloor wheel crack detector
CN104458291A (en) * 2014-12-09 2015-03-25 南车株洲电力机车有限公司 Wheel jack-up device for rail vehicle
CN104458291B (en) * 2014-12-09 2017-02-22 南车株洲电力机车有限公司 Wheel jack-up device for rail vehicle
CN106796204A (en) * 2015-04-16 2017-05-31 运输技术中心公司 System for checking track with phased-array ultrasonic
CN106248792A (en) * 2016-08-24 2016-12-21 北京主导时代科技有限公司 A kind of semi-automatic defect-detecting equipment being applicable to rolling stock Wheel set detecting
CN106403813A (en) * 2016-08-29 2017-02-15 天津立中车轮有限公司 Comprehensive wheel detection device
CN106394604A (en) * 2016-08-31 2017-02-15 北京主导时代科技有限公司 Automatic flaw detection device suitable for detection of rail train wheelset

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CB03 Change of inventor or designer information

Inventor after: Wang Zhiquan

Inventor after: Wang Liqun

Inventor after: Gao Guanghui

Inventor after: Ma Jianqun

Inventor before: Gao Guanghui

Inventor before: Ma Jianqun

Inventor after: Wang Zhiquan

Inventor after: Wang Liqun

Inventor after: Gao Guanghui

Inventor after: Ma Jianqun

Inventor before: Gao Guanghui

Inventor before: Ma Jianqun

C53 Correction of patent for invention or patent application
COR Change of bibliographic data

Free format text: CORRECT: INVENTOR; FROM: GAO GUANGHUI MA JIANQUN TO: WANG ZHIQUAN WANG LIQUN GAO GUANGHUI MA JIANQUN

CP01 Change in the name or title of a patent holder

Address after: 305 room 2, building No. 59, sorghum Bridge oblique street, Beijing, Haidian District 100044, China

Patentee after: Beijing Sheenline Technology Co., Ltd.

Address before: 305 room 2, building No. 59, sorghum Bridge oblique street, Beijing, Haidian District 100044, China

Patentee before: Beijing Sheenline Technology Co.,Ltd.

Address after: 305 room 2, building No. 59, sorghum Bridge oblique street, Beijing, Haidian District 100044, China

Patentee after: Beijing Sheenline Technology Co., Ltd.

Address before: 305 room 2, building No. 59, sorghum Bridge oblique street, Beijing, Haidian District 100044, China

Patentee before: Beijing Sheenline Technology Co.,Ltd.

C56 Change in the name or address of the patentee
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Granted publication date: 20110105

CX01 Expiry of patent term