CN205317727U - Large -scale double track car centering mechanism of detecting a flaw - Google Patents
Large -scale double track car centering mechanism of detecting a flaw Download PDFInfo
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- CN205317727U CN205317727U CN201521133653.3U CN201521133653U CN205317727U CN 205317727 U CN205317727 U CN 205317727U CN 201521133653 U CN201521133653 U CN 201521133653U CN 205317727 U CN205317727 U CN 205317727U
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Abstract
The utility model discloses a large -scale double track car centering mechanism of detecting a flaw, including upper portion frame, walk to drive a vehicle frame and servo centering mechanism, wherein, the upper portion frame with the four connecting rod modes of putting up of walking to drive a vehicle are connected, every contact point that four connecting rods are connected all adopts articulated connected mode. The upper portion frame with it is provided with a plurality of cylinders or pneumatic cylinder to walk between the driving frame, it is right that cylinder and pneumatic cylinder are used for walk the pressurization of driving frame. The utility model discloses a large -scale double track car centering mechanism of detecting a flaw has guaranteed to detect a flaw large -scale double track, and to visit the coupling of wheel and rail surface centering good for the ultrasonic wave of the servo mechanism of detecting a flaw of car, reduced the upper and lower vibration and the serpentine locomotion of the servo mechanism of detecting a flaw, inconvenience when also having optimized the bend simultaneously in the design, simultaneously, its have still that the design is compact, the installation of being convenient for, advantage such as easy and simple to handle.
Description
Technical field
The utility model relates to the centering body of a kind of rail examination equipment, in particular to a kind of large-scale double track inspection car centering body in conjunction with ultrasonic wave scanning.
Background technology
Railway, as the Aorta of national economy, is one of the most important national Infrastructure, is also be related to the most popular mode of transportation of we each citizen.
In railway traffic, the function of rail is that guided vehicle wheel advances, and bears the immense pressure from wheel. When train is in acceleration and braking process and by rail seam, bend and track switch, rail causing friction, extruding, bending and shock action, in-service rail bears repeatedly rolling of wheel for a long time, inevitably there is fatigue defect and defect. Therefore in order to guarantee the safe operation of locomotive, it is necessary to often in-service rail being carried out carrying out flaw detection, Timeliness coverage exists the hurt in rail, to take remedial measures, takes precautions against in possible trouble.
Currently, the rail examination work of China is still in based on hand pushing-type flaw detection dolly, and large-scale inspection car is auxiliary situation. Hand pushing-type flaw detection dolly operation efficiency is low, and its detection speed is generally 2～3km per hour, and inspection speed is low. Along with train speed improves the increase heavy with axle, adding that environment reason causes expanding with heat and contract with cold of metal, rail failure speed is corresponding quickening also so that sense cycle also has the trend of shortening.
Along with the various Line for Passenger Transportation of China and Shanghai and Nanjing, Shanghai-Hangzhou high speed inter-city passenger rail open operation, Line for Passenger Transportation and high-speed railway circuit are supported and are repaiied system issuing and implementation, and the pattern that tradition hand pushing-type flaw detection dolly rail on train gap carries out detecting can not adapt to support repaiies institutional change needs. Railway department proposes to adopt " skylight " mode of operation for this reason, namely certain interval circuit provides the activity duration of 1-3 hour, does not have train operation during this period. In this case, the drawback that the detection efficiency of tradition hand pushing-type flaw detection dolly is low just seems particularly outstanding. Therefore the demand of the fireballing large-scale inspection car of detection is constantly increased.
When large-scale inspection car runs at a high speed, servo flaw detection mechanism can produce serpentine locomotion and up-down vibration, the accuracy of detection is had an impact, it is thus desirable to improve so that ultrasonic test system can precise alignment, ensure that detection data are accurate.Chinese patent application 201410608424.6 discloses " center support system of a kind of steel rail flaw detection device and method ", and this system adopts servo centering completely, causes its cost very high.
Practical novel content
The utility model provides a kind of large-scale double track inspection car centering body, solves, with lower cost, the technical problem that the medium-and-large-sized inspection car of prior art can produce serpentine locomotion and up-down vibration when running at a high speed.
The technical solution of the utility model is as follows:
A kind of large-scale double track inspection car centering body, comprises upper frame, walk to drive a vehicle frame and servo centering body; Wherein, described upper frame and described walk frame of driving a vehicle connected by double leval jib mode, each point of contact that described double leval jib connects all adopts the mode of being articulated and connected.
In an embodiment, the mode of being articulated and connected of each point of contact of described double leval jib is that ball is hinged.
In a preferred embodiment, described upper frame and described walk to drive a vehicle and be provided with multiple cylinder or hydro-cylinder between frame, described cylinder and hydro-cylinder are used for walking to drive a vehicle frame pressurization to described.
In a preferred embodiment, described in walk frame of driving a vehicle and comprise four guide deflection sheaves, described cylinder or hydro-cylinder act on the wheel shaft of described guide deflection sheave.
In a preferred embodiment, the wheel shaft of described cylinder or hydro-cylinder and described guide deflection sheave is hinged.
In a preferred embodiment, described servo centering body comprises horizontal adjustment clamp mechanism, and the ultrasonic wave of servo centering body is visited wheel by a lateral adjustments motor and electric pushrod and carried out horizontal adjustment by described horizontal adjustment clamp mechanism.
In a preferred embodiment, described servo centering body comprises up-down adjustment clamp mechanism, and the ultrasonic wave of servo centering body is visited wheel by a up-down adjustment motor and electric pushrod and carried out up-down adjustment by described up-down adjustment clamp mechanism.
In a preferred embodiment, described servo centering body comprises angular adjustment clamp mechanism, wherein, described angular adjustment clamp mechanism at a high speed the straight line motor of frequent rotating and electric pushrod the ultrasonic wave that coordinates an arc track to realize servo centering body can visit the angular adjustment of wheel by one.
In a preferred embodiment, described walk frame of driving a vehicle comprise front guide deflection sheave crossbeam and rear guide deflection sheave crossbeam, described front guide deflection sheave crossbeam and rear guide deflection sheave crossbeam are by hinged to front nave boss and rear nave boss, and the overall length of described front guide deflection sheave crossbeam and rear guide deflection sheave crossbeam is greater than the length of gap in the frog.
The utility model also provides a kind of large-scale double track inspection car, and it is provided with above-mentioned arbitrary large-scale double track inspection car centering body.
In preferred implementation of the present utility model, described large-scale double track inspection car also comprise servo flaw detection mechanism, described servo flaw detection mechanism mainly comprises ultrasonic wave and visits wheel, mimic channel, signal processing and display circuit and pilot circuit four parts, wherein said signal processing and display circuit, based on DSP technical project and manufacture, comprise high-speed a/d acquisition module, a dsp chip, data display module and dual port RAM.
In preferred implementation of the present utility model, described pilot circuit comprises ROM, a dsp chip, USB/RS232 interface and peripheral hardware; Wherein, high speed MCU chip and dsp chip is adopted to form a master slave system, dsp chip completes complicated algorithm, and MCU chip completes to control to gather outside data, export the work of control signal and finishing man-machine interaction, and uses dual port RAM as the communication medium between dsp chip and MCU chip.
Compared with prior art, the beneficial effects of the utility model are as follows:
Large-scale double track inspection car centering body of the present utility model ensure that the ultrasonic wave of the servo flaw detection mechanism of large-scale double track inspection car visit wheel and the coupling of rail end face centering good, decrease the servo flaw detection up-down vibration of mechanism and serpentine locomotion, inconvenience when simultaneously also optimizing bend in design; Meanwhile, its also have compact to design, be convenient to install, the advantage such as easy and simple to handle.
Certainly, implement arbitrary product of the present utility model might not need to reach above-described all advantages simultaneously.
Accompanying drawing explanation
Fig. 1 is the perspective view of the large-scale double track inspection car centering body of the utility model embodiment;
Fig. 2 is the structure iron of the connecting vehicle frame of the large-scale double track inspection car centering body of the utility model embodiment;
Fig. 3 is the shelf structure figure that walks to drive a vehicle of the large-scale double track inspection car centering body of the utility model embodiment;
The flaw detection mechanism of the large-scale double track inspection car centering body that Fig. 4 (a)-(d) is the utility model embodiment avoids the structural representation of serpentine locomotion; Wherein, Fig. 4 (a) is inspection car straight line moving state vertical view, Fig. 4 (b) is inspection car straight line moving state frontview, and Fig. 4 (c) is inspection car serpentine locomotion state vertical view, and Fig. 4 (d) is inspection car serpentine locomotion state frontview;
Fig. 5 is the structural representation that the flaw detection mechanism of the large-scale double track inspection car centering body of the utility model embodiment avoids up-down vibration;
Fig. 6 is the servo centering body structure iron of the large-scale double track inspection car centering body of the utility model embodiment;
Spy is taken turns horizontal adjustment schematic diagram by the servo centering body that Fig. 7 is the large-scale double track inspection car centering body of the utility model embodiment;
Spy is taken turns angular setting schematic diagram one by the servo centering body that Fig. 8 is the large-scale double track inspection car centering body of the utility model embodiment;
Spy is taken turns angular setting schematic diagram two by the servo centering body that Fig. 9 is the large-scale double track inspection car centering body of the utility model embodiment;
Spy wheel is adjusted schematic diagram by servo centering body that Figure 10 is the large-scale double track inspection car centering body of the utility model embodiment up and down;
The probe that Figure 11 is the servo centering body of the large-scale double track inspection car centering body of the utility model embodiment arranges schematic diagram.
Embodiment
The utility model discloses a kind of large-scale double track inspection car centering body.
Constantly developing along with science and technology and progress, safety is more and more paid attention to by we. The utility model main purpose for ensure the ultrasonic wave of the servo flaw detection mechanism of the automatic flaw detection of large-scale double track inspection car and visit wheel and the coupling of rail end face centering good.
The utility model is further described by lower section, so that those skilled in the art can better understand the utility model, but protection domain of the present utility model is not limited only to following embodiment.
Embodiment
Present embodiment discloses a kind of large-scale double track inspection car, it is provided with large-scale double track inspection car centering body, and this centering body comprises upper frame, walk to drive a vehicle frame and servo centering body. Concrete shown in Figure 1 in the present embodiment, the top of centering body is divided into connecting vehicle frame, middle part to be divided into walking driving frame, bottom to be divided into servo centering body. Specifically, servo centering body comprises two groups.
Centering body of the present utility model adopts three parts assembled, compact construction, be convenient to install.
This large-scale double track inspection car has from walking row function, specifically, and can by the frame electric automatization of walking to drive a vehicle of above-mentioned centering body so that it is adjustment control can be carried out according to the motion of this large-scale double track inspection car.
Shown in Figure 2, it is the structural representation of upper frame of the large-scale double track inspection car centering body of the present embodiment.
Shown in Figure 3, for the present embodiment large-scale double track inspection car centering body walk the structural representation of frame of driving a vehicle. Described walk frame of driving a vehicle comprise four guide deflection sheaves, each guide deflection sheave has wheel hub, and four guide deflection sheaves are divided into two groups, is connected by a wheel shaft, connected by another wheel shaft between two guide deflection sheaves at rear between two guide deflection sheaves in front. Chain connection is carried out by front guide deflection sheave crossbeam and rear guide deflection sheave crossbeam between the wheel hub of described front guide deflection sheave and the wheel hub of described rear guide deflection sheave, described front guide deflection sheave crossbeam and rear guide deflection sheave crossbeam are along with guide deflection sheave is along track transverse movement, and the overall length of described front guide deflection sheave crossbeam and rear guide deflection sheave crossbeam is greater than the length of the gap in the frog of rail, it is possible to prevent servo centering body from the generation of the situations such as derailing slides down occurring when turnout passing idle space. Front nave boss and rear nave boss are adopted chain connection mode, to described walk frame of driving a vehicle there is guide effect, be allowed to condition at curved place more easy and convenient, and such mode of connection avoids excessively curved by force, front and back guide deflection sheave is crossed curved safer, steady. In addition, described in frame of walking to drive a vehicle also be provided with intermediate crossbeam, two intermediate crossbeams are such as set, intermediate crossbeam is such as the welding of square steel H type, and for ensureing strength of joint, the commissure of intermediate crossbeam is all welded with web.
Refer to shown in Fig. 4 (a)-(d), specifically, frame is connected the upper frame of large-scale double track inspection car centering body by double leval jib (referring to Fig. 4 (c)) mode with walking to drive a vehicle, each point of contact that described double leval jib connects adopts the mode of being articulated and connected such as ball to cut with scissors, and refers to shown in Fig. 4 (c). The side force major part of the left and right sides is reduced by double leval jib in conjunction with this kind of hinged mode, thus makes centering body energy steadily, it is possible to reduce the unnecessary vibration that serpentine locomotion produces.
And, shown in Figure 5, the upper frame of large-scale double track inspection car centering body and walk to drive a vehicle to be provided with between frame four hydro-cylinders (hydro-cylinder can also replace) with cylinder, the wheel shaft of each hydro-cylinder all and between guide deflection sheave is connected, and each tie point adopts and hinged is hinged such as ball. Four hydro-cylinders act on wheel shaft, give pressure during work, compress and walk frame of driving a vehicle, make wheel hub be close to rail; During off working state, four hydro-cylinders mention whole travel mechanism, visit wheel to protect, extend its work-ing life. This centering body stresses on wheel shaft by 4 hydro-cylinders of Fig. 5 and said structure, and preferably pressing position lays respectively near four guide deflection sheaves, travel mechanism can be applied pressure, wheel hub is made to be close to rail face, can not be beated in face in-orbit, and guarantee that ultrasonic wave is visited wheel and rail end face centering and is coupled well, this structure mode can avoid large-scale double track inspection car up-down vibration when high-speed motion.
This large-scale double track inspection car run time, the inside flange face moment of guide deflection sheave is close to the working face of rail track, ensure that ultrasonic wave visit wheel can time be engraved on the medullary ray of rail run.
Shown in Figure 6, be the schematic diagram of the servo control mechanism of the present embodiment, servo control mechanism comprise servo centering body and servo flaw detection mechanism, Fig. 6 is the structure iron of servo centering body. This servo control mechanism adopts spy wheeled. The pedestal of described servo centering body is channel-section steel welding, and every side connects two ultrasonic wave and visits wheel, visits wheel and is divided into two groups, and the spy wheel of the same side is one group. Servo centering body is installed in away on row support, and the pedestal of servo centering body is connected by underframe in connection bracket and driver sub-system (not embodying driver sub-system and underframe thereof in figure, this part belongs to prior art).Servo centering body can ensure that ultrasonic wave visits the centering adjustment of wheel, and it is by the adjustment of up-down adjustment motor and an electric pushrod, makes ultrasonic wave visit wheel and carries out upper-lower position adjustment; And by lateral adjustments motor and an electric pushrod, ultrasonic wave is visited wheel and carry out level attitude adjustment; Also by can the straight line motor of at a high speed frequent rotating such as customization straight line motor and an electric pushrod and in conjunction with arc track, it is achieved angular adjustment. Above upper-lower position regulates, level attitude regulates and angular adjustment guarantees that ultrasonic wave is visited wheel and rail end face centering and is coupled well. Further, often group is visited to take turns and is carried out horizontal shift adjustment by servocontrol, and upper-lower height adjustment and angular setting, have structure simple, keep in repair the advantages such as easy to loading and unloading.
Shown in Figure 7, often group visits the horizontal shift adjustment employing electric pushrod form taken turns, and electric pushrod has driven by motor, and an electric pushrod can drive two of side to visit wheel, and electric pushrod moves to the inside, can drive often to organize to visit to take turns and move to the inside; Electric pushrod moves laterally, often group can be driven to visit wheel and move laterally.
Referring to shown in Fig. 8 and Fig. 9, often the angular setting of group spy wheel adopts electric pushrod to coordinate arc track such as the form of arc orbit to realize. Specifically, refer to Fig. 9, electric pushrod and the spy wheel carrier chain connection visiting wheel, each is visited wheel and is all fixedly connected with the slide block that can slide on arc orbit, electric pushrod side promotion outward or inner side contraction then drive spy wheel carrier and are synchronized with the movement with slide block by visiting wheel carrier drive spy wheel, owing to slide block movement carries out along arc orbit, therefore the operation visiting wheel is also the circular arc identical with arc orbit, namely angular setting has been carried out relative to the center of circle of this circular arc, thus electric pushrod fit circular arc track achieves the angular setting visiting wheels.
Shown in Figure 10, often group visits the vertical adjustment employing electric pushrod form of wheel, and electric pushrod is by driven by motor, when electric pushrod moves down, visit wheel and move down along vertical guidepost, play the effect compressing and visiting wheel, when otherwise electric pushrod up moves, visit wheel and lift.
By above-mentioned three kinds of shaping modes, servo centering body can ensure that ultrasonic wave visits the regulable control of wheel, enables ultrasonic wave visit wheel and is axially moving left and right independent of guide deflection sheave, and swings in radial direction work left and right relative to rail rail face; Being regulated by upper-lower position, making ultrasonic wave visit wheel has certain snap-in force to rail end face, it is ensured that ultrasonic wave is visited wheel and rail end face centering and is coupled well.
In addition, this large-scale double track inspection car is also provided with coupling liquid spraying mechanism, and specifically, this coupling liquid spraying mechanism is made up of coupling liquid container, coupling liquid spray pipeline, nozzle and topping-up pump, it is possible to be arranged at away on driving frame; Each is visited and respectively arranges a nozzle before and after wheel. The effect of coupling liquid spraying mechanism is by evenly spraying pouring coupling liquid, makes ultrasonic wave visit wheel and rail close-coupled, and guarantee signal is good, and is regulated by pressure and flow control, it is possible to meet the requirement for long distance flaw detection offer coupling liquid.
The servo flaw detection mechanism of this large-scale double track inspection car mainly comprises ultrasonic wave and visits wheel, mimic channel, signal processing and display circuit and pilot circuit four parts, and formation the whole series data accept treatment system. Wherein, mimic channel, signal processing, display circuit, pilot circuit is standardized module, is connected to an electric control box by spy wheel data line.Wherein:
The wheel that described ultrasonic wave visits wheel is made by entrant sound resin material, inside fill entrant sound liquid, being fixed with 18 probes on axle, shown in Figure 11, wherein these probes comprise: 70 degree of probes, 12,37.5 degree probes, 4,0 degree probe 2 and other annexes installing probe. The axle that probe is middle and probe core. When this large-scale double track inspection car is detected a flaw, visit wheel and rotate with the motion of this inspection car, and probe core wherein is not moved, to keep hyperacoustic transmitting and take over party to constant.
Described mimic channel comprises hyperacoustic launching and receiving module (for launching and receive the ultrasonic wave of reflection), channel selecting module and Signal-regulated kinase, mainly realize hyperacoustic generation, transmitting, reception, receive the amplification filtering after echo, after level conversion, send into signal processing and display circuit;
Described signal processing and display circuit, based on DSP technical project and manufacture, comprise high-speed a/d acquisition module, dsp chip, data display module and dual port RAM. By the process of Signal-regulated kinase in mimic channel, hyperacoustic echoed signal is converted into electrical signal, then through amplifying and shaping, sends into high-speed a/d acquisition module. Numerised data after A/D changes is sent into dsp chip inside and is carried out various algorithm process, the wave-path of echoed signal, peak value and the sequence number of pulse repetition time will be recorded, form data file and deliver to data display module, and regularly the data processed are read stored in the chip of dual port RAM for pilot circuit.
Described pilot circuit comprises ROM, dsp chip, USB/RS232 interface and peripheral hardware. In order to improve the real-time of system, high speed MCU chip and dsp chip is adopted to form a master slave system, such dsp chip has only needed complicated algorithm, and the work that control gathers outside data, output control signal and finishing man-machine interaction transfers to MCU chip to complete. Use dual port RAM as the communication medium between dsp chip and MCU chip, it is possible to the fast and reliable transmission realizing mass data. MCU chip regularly reads by data stored in dual port RAM of signal processing and display circuit, then is dumped in ROM, can result of detection be dumped in other computers by USB/RS232 interface, be convenient to flaw detection complete after treatment and analysis further. In carrying out flaw detection process, by being connected to the peripheral hardwares such as computer and display section is controlled in real time by the keyboard of operator's operating computer, mouse and detect parameters is adjusted in real time.
Servo of the present utility model flaw detection mechanism data sampling and processing automatization, possesses certain intellectuality and sentences the ability of wound.
The utility model overcomes the deficiencies in the prior art, provide a kind of in conjunction with the automatic inspection car of large-scale double track of ultrasonic wave scanning and the centering body of this inspection car, automatic ultrasonic inspection and the location of rail can be realized, spy wheel is close to travel mechanism and is moved along rail, the ultrasonic wave of all angles is launched to rail, and according to hyperacoustic waveform that the reflection received is returned, judge hurt and locate, be specially adapted to the horizontal fatigue cracking (core wound) of detection rail's end portion, bolt hole crackle, waist shear crack and rail vertical equity crackle equivalent damage.
The utility model adopts 2 groups of spy wheel flaw detection modes to guarantee hyperacoustic lossless propagation; Fault detection system adopts high speed acquisition equipment to be sampled by signal, data after collection adopt the software of specialty to process, and give signal data to judge hurt and certain intelligent alarm function, such as carry out when finding hurt judging and show over the display or other conventional warning modes.
The centering structure of the automatic inspection car of large-scale double track of the present utility model is in order to ensure that wheel stability in orbit is especially visited by servo flaw detection mechanism, by designing and calculate, reduce the servo flaw detection up-down vibration of mechanism and serpentine locomotion, inconvenience when simultaneously also optimizing bend in design.
The centering body of this automatic inspection car of large-scale double track of the present utility model is combined by the servo centering body of the connecting vehicle frame of upper part, walk to drive a vehicle frame and lower part, compact to design, be convenient to install, easy and simple to handle, detection efficiency height, improve the repair quality of track, reduce potential safety hazard to greatest extent.
Disclosed the utility model preferred embodiment just sets forth the utility model for helping above. The preferred embodiment details that not detailed descriptionthe is not all, does not limit that this practicality is novel is only described embodiment yet. Obviously, according to the content of this specification sheets, can make many modifications and variations. This specification sheets is chosen and is specifically described these embodiments, is to explain principle of the present utility model and practical application better, thus makes art technician can understand well and utilize the utility model. The utility model is only by the restriction of right claim and whole scope and equivalent.
Claims (12)
1. one kind large-scale double track inspection car centering body, it is characterised in that, comprise upper frame, walk to drive a vehicle frame and servo centering body; Wherein, described upper frame and described walk frame of driving a vehicle connected by double leval jib mode, each point of contact that described double leval jib connects all adopts the mode of being articulated and connected.
2. large-scale double track inspection car centering body as claimed in claim 1, it is characterised in that, described in the mode of being articulated and connected be that ball is hinged.
3. large-scale double track inspection car centering body as claimed in claim 1, it is characterised in that, described upper frame and described walk to drive a vehicle and be provided with multiple cylinder or hydro-cylinder between frame, described cylinder and hydro-cylinder are used for walking to drive a vehicle frame pressurization to described.
4. large-scale double track inspection car centering body as claimed in claim 3, it is characterised in that, described in walk frame of driving a vehicle and comprise four guide deflection sheaves, described cylinder or hydro-cylinder act on the wheel shaft of described guide deflection sheave.
5. large-scale double track inspection car centering body as claimed in claim 4, it is characterised in that, the wheel shaft of described cylinder or hydro-cylinder and described guide deflection sheave is hinged.
6. large-scale double track inspection car centering body as claimed in claim 1, it is characterized in that, described servo centering body comprises horizontal adjustment clamp mechanism, and the ultrasonic wave of servo centering body is visited wheel by a lateral adjustments motor and an electric pushrod and carried out horizontal adjustment by described horizontal adjustment clamp mechanism.
7. large-scale double track inspection car centering body as claimed in claim 1, it is characterized in that, described servo centering body comprises up-down adjustment clamp mechanism, and the ultrasonic wave of servo centering body is visited wheel by a up-down adjustment motor and an electric pushrod and carried out up-down adjustment by described up-down adjustment clamp mechanism.
8. large-scale double track inspection car centering body as claimed in claim 1, it is characterized in that, described servo centering body comprises angular adjustment clamp mechanism, wherein, described angular adjustment clamp mechanism at a high speed the straight line motor of frequent rotating and an electric pushrod the ultrasonic wave that coordinates an arc track to realize servo centering body can visit the angular adjustment of wheel by one.
9. large-scale double track inspection car centering body as claimed in claim 1, it is characterized in that, described walk frame of driving a vehicle comprise front guide deflection sheave crossbeam and rear guide deflection sheave crossbeam, described front guide deflection sheave crossbeam and rear guide deflection sheave crossbeam are by hinged to front nave boss and rear nave boss, and the overall length of described front guide deflection sheave crossbeam and rear guide deflection sheave crossbeam is greater than the length of gap in the frog.
10. one kind large-scale double track inspection car, it is characterised in that, it is provided with the large-scale double track inspection car centering body according to any one of claim 1-9.
11. large-scale double track inspection cars as claimed in claim 10, it is characterized in that, also comprise servo flaw detection mechanism, described servo flaw detection mechanism mainly comprises ultrasonic wave and visits wheel, mimic channel, signal processing and display circuit and pilot circuit four parts, wherein said signal processing and display circuit, based on DSP technical project and manufacture, comprise high-speed a/d acquisition module, a dsp chip, data display module and dual port RAM.
12. large-scale double track inspection cars as claimed in claim 11, it is characterised in that, described pilot circuit comprises ROM, a dsp chip, USB/RS232 interface and peripheral hardware; Wherein, high speed MCU chip and dsp chip is adopted to form a master slave system, dsp chip completes complicated algorithm, and MCU chip completes to control to gather outside data, export the work of control signal and finishing man-machine interaction, and uses dual port RAM as the communication medium between dsp chip and MCU chip.
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| CN201521133653.3U CN205317727U (en) | 2015-12-30 | 2015-12-30 | Large -scale double track car centering mechanism of detecting a flaw |
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| CN201521133653.3U CN205317727U (en) | 2015-12-30 | 2015-12-30 | Large -scale double track car centering mechanism of detecting a flaw |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445379A (en) * | 2015-12-30 | 2016-03-30 | 中国船舶科学研究中心上海分部 | Aligning mechanism of large double-track flaw detection car |
| CN106153734A (en) * | 2016-09-06 | 2016-11-23 | 合肥超科电子有限公司 | Secondary wave wheel seach unit support and probe |
| CN109910947A (en) * | 2019-01-28 | 2019-06-21 | 北京城建设计发展集团股份有限公司 | Carrying type track health status dynamic monitoring and wisdom analysis system and method |
| CN110006999A (en) * | 2019-04-25 | 2019-07-12 | 中铁第四勘察设计院集团有限公司 | A kind of ultrasonic rail detection system and method |
| CN110893864A (en) * | 2019-12-25 | 2020-03-20 | 北京世纪东方通讯设备有限公司 | Railway track flaw detection mechanism and flaw detection vehicle |
| CN113173184A (en) * | 2021-04-06 | 2021-07-27 | 南昌航空大学 | Rapid rail inspection trolley capable of automatically passing through harmful space of turnout |
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2015
- 2015-12-30 CN CN201521133653.3U patent/CN205317727U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445379A (en) * | 2015-12-30 | 2016-03-30 | 中国船舶科学研究中心上海分部 | Aligning mechanism of large double-track flaw detection car |
| CN105445379B (en) * | 2015-12-30 | 2018-06-29 | 中国船舶科学研究中心上海分部 | Large-scale double track inspection car centering body |
| CN106153734A (en) * | 2016-09-06 | 2016-11-23 | 合肥超科电子有限公司 | Secondary wave wheel seach unit support and probe |
| CN109910947A (en) * | 2019-01-28 | 2019-06-21 | 北京城建设计发展集团股份有限公司 | Carrying type track health status dynamic monitoring and wisdom analysis system and method |
| CN110006999A (en) * | 2019-04-25 | 2019-07-12 | 中铁第四勘察设计院集团有限公司 | A kind of ultrasonic rail detection system and method |
| CN110006999B (en) * | 2019-04-25 | 2023-12-29 | 中铁第四勘察设计院集团有限公司 | Ultrasonic steel rail detection system and method |
| CN110893864A (en) * | 2019-12-25 | 2020-03-20 | 北京世纪东方通讯设备有限公司 | Railway track flaw detection mechanism and flaw detection vehicle |
| CN113173184A (en) * | 2021-04-06 | 2021-07-27 | 南昌航空大学 | Rapid rail inspection trolley capable of automatically passing through harmful space of turnout |
| CN113173184B (en) * | 2021-04-06 | 2023-07-07 | 南昌航空大学 | Quick rail inspection trolley capable of automatically passing through harmful space of turnout |
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