CN214112560U - Railway flaw detection device - Google Patents
Railway flaw detection device Download PDFInfo
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- CN214112560U CN214112560U CN202023330063.3U CN202023330063U CN214112560U CN 214112560 U CN214112560 U CN 214112560U CN 202023330063 U CN202023330063 U CN 202023330063U CN 214112560 U CN214112560 U CN 214112560U
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Abstract
The utility model provides a railway device of detecting a flaw, it includes: the flaw detection device comprises a frame, a guide mechanism, a swinging mechanism, a transverse moving mechanism and a flaw detection mechanism, wherein the guide mechanism is movably arranged at one end of the frame, the swinging mechanism and the transverse moving mechanism are arranged at the top of the frame, the flaw detection mechanism is movably arranged in the frame, the guide mechanism is connected with the swinging mechanism and the transverse moving mechanism, and the swinging mechanism, the transverse moving mechanism and the flaw detection mechanism are sequentially connected. By designing the railway flaw detection device with the frame, the guide mechanism, the swing mechanism, the transverse moving mechanism and the flaw detection mechanism, the automatic centering of flaw detection wheels is realized, the labor intensity of a user is reduced, and the working efficiency is improved.
Description
Technical Field
The utility model relates to a railway technical field that detects a flaw especially relates to a railway device of detecting a flaw.
Background
In the field of rail flaw detection, before flaw detection operation, a flaw detection wheel is required to be pressed on a rail and aligned with the rail, the premise of centering is that the contact surface of the guide wheel on the probe wheel frame and the inner side of the rail is taken as a reference, the flaw detection wheel is manually transversely moved and swung until the detection sensor of the flaw detection wheel sends a signal to confirm the actual position centering, after flaw detection is started, the phenomenon of abrasion of the inner side of a rail is often encountered, at the moment, the contact surface of the flange on the inner side of the guide wheel and the rail deviates outwards from the center of the rail due to the abrasion of the rail, the opposite flaw detection system also deviates outwards, parking is needed, manual operation is needed for re-centering, when the rail section without abrasion is moved, the relative position of the flaw detection wheel is required to be adjusted, the abrasion of the rail is not constant and is continuously changed, repeated centering is required in the flaw detection process, the labor intensity of a user is high, and the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art not enough, provide a railway automatic adjustment centering device of detecting a flaw.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a railway inspection device, comprising: the flaw detection device comprises a frame, a guide mechanism, a swinging mechanism, a transverse moving mechanism and a flaw detection mechanism, wherein the guide mechanism is movably arranged at one end of the frame, the swinging mechanism and the transverse moving mechanism are arranged at the top of the frame, the flaw detection mechanism is movably arranged in the frame, the guide mechanism is connected with the swinging mechanism and the transverse moving mechanism, and the swinging mechanism, the transverse moving mechanism and the flaw detection mechanism are sequentially connected.
The utility model has the advantages that: by designing the railway flaw detection device with the frame, the guide mechanism, the swing mechanism, the transverse moving mechanism, the detection mechanism, the sensor and the flaw detection mechanism, the automatic centering of flaw detection wheels is realized, the labor intensity of a user is reduced, and the working efficiency is improved.
Further, the swing mechanism includes: first motor, first shaft coupling, worm, turbine and swing crossbeam, swing crossbeam rotationally sets up the top of frame, first motor sets up on the frame, first motor first shaft coupling the worm the turbine and swing crossbeam connects gradually, sideslip mechanism with the mechanism setting of detecting a flaw is in on the swing crossbeam.
The beneficial effect of adopting the further scheme is that: the arrangement of the first motor, the first coupler, the worm wheel and the swing cross beam is used for driving the flaw detection wheel to swing by a certain angle, and based on the distance measurement change of the sensor and the operation of the processor, power is output to the first motor, so that the angle of the flaw detection wheel can be automatically adjusted, the labor intensity of a user is reduced, and the working efficiency is improved.
Further, the swing mechanism further includes: the rotary swing seat is characterized in that an ear plate is arranged at the bottom of the swing cross beam and connected with the ear plate of the swing cross beam, the rotary swing seat is coaxial and connected with the turbine, and the turbine is of a semi-circular arc structure.
The beneficial effect of adopting the further scheme is that: the arrangement of the rotary swing seat is convenient for the connection of the turbine and the swing cross beam and the installation and maintenance of the swing cross beam.
Further, the traversing mechanism comprises: the flaw detection device comprises a motor base, a first guide rod, a moving block, a lead screw, a second motor and a second coupler, wherein the motor base is arranged on the swinging cross beam, the second motor is arranged on the motor base, the first guide rod is arranged at the bottom of the motor base, the moving block is slidably arranged on the first guide rod, the second motor, the second coupler and the lead screw are sequentially connected, a nut matched with the lead screw is arranged on the moving block, the moving block is movably sleeved on the lead screw through the nut, and the moving block is connected with the flaw detection mechanism.
The beneficial effect of adopting the further scheme is that: the motor cabinet, first guide bar, movable block, lead screw, second motor and second coupling for drive the wheel of detecting a flaw and carry out the displacement, judge and export power for swing motor and sideslip motor based on sensor range finding and treater, first motor is swing motor promptly, and the second motor is the sideslip motor, and the automatic adjustment detects a flaw the position of wheel, reduces user intensity of labour, improves work efficiency.
Further, the guide mechanism includes: leading wheel, leading wheel mounting bracket, second guide bar, sensor, treater and spring, the second guide bar sets up the one end of frame, the movably setting of leading wheel mounting bracket is in on the second guide bar, the leading wheel sets up the bottom of leading wheel mounting bracket, the spring housing is established on the second guide bar, the both ends of spring respectively with the frame and leading wheel mounting bracket butt, the sensor slope sets up on the leading wheel mounting bracket, the treater sets up on the frame, the sensor with the treater is connected, the treater with swing mechanism and sideslip mechanism connects.
The beneficial effect of adopting the further scheme is that: the guide wheel, the guide wheel mounting frame, the second guide rod, the sensor, the processor and the spring are arranged, so that the guide mechanism can guide the rail in real time according to the abrasion degree of the rail, the position and the angle of the flaw detection wheel can be adaptively adjusted through the guide effect of the guide mechanism, and the precision and the reliability of the railway flaw detection device are improved.
Further, the sensor is inclined at an angle of 45 degrees with respect to the guide wheel mounting.
The beneficial effect of adopting the further scheme is that: the inclination angle of the sensor relative to the guide wheel mounting frame is 45 degrees and is higher than the upper edge of the rail, so that the sensor is prevented from being collided with railway facilities such as turnouts outside the rail to be tested, and the stability and the reliability of the railway flaw detection device are improved.
Further, the guide mechanism further includes: the guide block is arranged on the guide wheel mounting frame and is positioned in front of the guide wheel.
The beneficial effect of adopting the further scheme is that: and the guide block is arranged and used for guiding the railway flaw detection device.
Further, the sensor is a distance sensor.
The beneficial effect of adopting the further scheme is that: the sensor is a distance sensor, so that the railway flaw detection device can conveniently adjust the flaw detection wheel set according to the actual abrasion condition of the rail, and the precision and the reliability of the railway flaw detection device are improved.
Further, one side of the guide wheel is provided with a flange, and the flange protrudes out of the wheel surface of the guide wheel.
The beneficial effect of adopting the further scheme is that: the setting of flange is convenient for the joint in the inboard of rail to through the compression effect of spring, make the flange all the time with the inboard butt of rail, be convenient for lead the position of rail wearing and tearing, the suitability centering of the railway inspection device of being convenient for.
Further, the guide wheel is located in front of the flaw detection mechanism.
The beneficial effect of adopting the further scheme is that: the guide wheel is positioned in front of the flaw detection mechanism, so that real-time guide is facilitated before flaw detection of the flaw detection wheel, the guide wheel is used as a standard for manual centering and automatic centering, and the precision and the reliability of the railway flaw detection device are improved.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a railway flaw detection device according to an embodiment of the present invention.
Fig. 2 is a second schematic structural diagram of a railway flaw detector according to an embodiment of the present invention.
Fig. 3 is a third schematic structural diagram of a railway flaw detector according to an embodiment of the present invention.
Fig. 4 is a fourth schematic structural view of a railway flaw detector according to an embodiment of the present invention.
Fig. 5 is a fifth schematic structural view of a railway flaw detector according to an embodiment of the present invention.
Fig. 6 is a sixth schematic structural view of a railway flaw detector according to an embodiment of the present invention.
Fig. 7 is a seventh schematic structural view of a railway flaw detector according to an embodiment of the present invention.
The reference numbers illustrate: 1-a frame; 2-a guiding mechanism; 3-a swing mechanism; 4-a traversing mechanism; 5-a flaw detection mechanism; 6-a first motor; 7-a first coupling; 8-a worm; 9-a turbine; 10-swinging the beam; 11-a rotary swing seat; 12-ear plate; 13-a motor base; 14-a first guide bar; 15-a moving block; 16-a screw rod; 17-a second electric machine; 18-a second coupling; 19-a nut; 20-a guide wheel; 21-a guide wheel mounting frame; 22-a second guide bar; 23-a sensor; 24-a spring; 25-a guide block; 26-flange.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 7, an embodiment of the present invention provides a railway flaw detection apparatus, which includes: the flaw detection device comprises a frame 1, a guide mechanism 2, a swing mechanism 3, a transverse moving mechanism 4 and a flaw detection mechanism 5, wherein the guide mechanism 2 is movably arranged at one end of the frame 1, the swing mechanism 3 and the transverse moving mechanism 4 are arranged at the top of the frame 1, the flaw detection mechanism 5 is movably arranged in the frame 1, the guide mechanism 2 is connected with the swing mechanism 3 and the transverse moving mechanism 4, and the swing mechanism 3, the transverse moving mechanism 4 and the flaw detection mechanism 5 are sequentially connected.
The utility model has the advantages that: by designing the railway flaw detection device with the frame, the guide mechanism, the swing mechanism, the transverse moving mechanism and the flaw detection mechanism, the power is judged and output to the swing motor and the transverse moving motor based on the sensor distance measurement and the processor, the automatic centering of flaw detection wheels is realized, the labor intensity of a user is reduced, and the working efficiency is improved.
As shown in fig. 2 to 3, further, the swing mechanism 3 includes: first motor 6, first shaft coupling 7, worm 8, turbine 9 and swing crossbeam 10, swing crossbeam 10 rotationally sets up the top of frame 1, first motor 6 sets up on the frame 1, first motor 6 first shaft coupling 7 the worm 8 the turbine 9 and swing crossbeam 10 connects gradually, sideslip mechanism 4 with the mechanism 5 that detects sets up on the swing crossbeam 10.
The beneficial effect of adopting the further scheme is that: the device comprises a first motor, a first coupler, a worm, a turbine and a swinging cross beam, wherein the first motor is used for driving the flaw detection wheel to swing by a certain angle, when the inner side of a rail is abraded to cause the relative position of the guide wheel to displace towards the center, a sensor arranged on a guide wheel mounting frame can map the displacement, the sensor and the rail are output to a processor, the processor outputs power to the motor, the motor drives a worm, the turbine is driven to adjust the angle of the flaw detection wheel, the labor intensity of a user is reduced, and the working efficiency is improved.
Wherein, the swing direction of the swing mechanism is transverse swing. The swinging component controls the swinging mechanism to swing on the basis of the guide wheel mounting frame, and indirectly drives the flaw detection mechanism to swing. The sensors of the inspection wheel system (i.e. the inspection mechanism) cannot be guaranteed to be perpendicular to the central line of the rail, and there may be a certain angle difference, which requires angle adjustment to adapt and find the center of the rail by the inspection wheel system.
As shown in fig. 3, further, the swing mechanism 3 further includes: rotatory swing seat 11, the bottom of swing crossbeam 10 is provided with otic placode 12, rotatory swing seat 11 with the otic placode 12 of swing crossbeam 10 is connected, rotatory swing seat 11 with turbine 9 is coaxial and connect, turbine 9 is the semicircle structure.
The beneficial effect of adopting the further scheme is that: the arrangement of the rotary swing seat is convenient for the connection of the turbine and the swing cross beam and the installation and maintenance of the swing cross beam.
Wherein, the turbine, the rotary swing seat and the swing beam are fixed together.
As shown in fig. 4 to 5, the traverse mechanism 4 further includes: the flaw detection device comprises a motor base 13, a first guide rod 14, a moving block 15, a lead screw 16, a second motor 17 and a second coupler 18, wherein the motor base 13 is arranged on the swinging cross beam 10, the second motor 17 is arranged on the motor base 13, the first guide rod 14 is arranged at the bottom of the motor base 13, the moving block 15 is slidably arranged on the first guide rod 14, the second motor 17, the second coupler 18 and the lead screw 16 are sequentially connected, a nut 19 matched with the lead screw 16 is arranged on the moving block 15, the moving block 15 is movably sleeved on the lead screw 16 through the nut 19, and the moving block 15 is connected with the flaw detection mechanism 5.
The beneficial effect of adopting the further scheme is that: the motor cabinet, first guide bar, movable block, lead screw, second motor and second coupling for drive the wheel of detecting a flaw and carry out the displacement, the distance of sensor and rail changes, gives the treater with signal output, and the treater output power gives the motor, and the position of wheel is detected a flaw in automatic adjustment reduces user intensity of labour, improves work efficiency.
The second motor can be a speed reducing motor, the transverse moving mechanism is horizontally displaced, the speed reducing motor is fixed on a motor base, the motor base has a bearing seat function, a second coupler is installed at the front end of the motor and connected with a screw rod (namely, a screw rod), a screw rod nut (namely, a nut) is arranged on the screw rod, the nut is sleeved in a moving block, and the other end of the screw rod is installed on the bearing seat (namely, the motor base). When the second motor rotates, the second coupling and the lead screw are driven to rotate, the lead screw nut does not rotate, but spiral threads are arranged between the lead screw nut and the lead screw, so that the nut and the moving block are pushed to move back and forth in the rotation of the lead screw. The transverse moving mechanism is arranged at the next stage of the swinging mechanism, and can swing along with the swinging mechanism under the swinging condition, but the swinging mechanism cannot move along with the transverse moving during the transverse moving.
When the flaw detection wheel presses on the rail and is mechanically aligned with the rail, a sensor in the flaw detection mechanism can judge whether the current position is not the center, if not, the flaw detection mechanism needs to be transversely moved and swung until the signal of the sensor is obtained in motion, the transverse movement and the swinging are confirmed to be finished.
As shown in fig. 1 to 7, further, the guide mechanism 2 includes: leading wheel 20, leading wheel mounting bracket 21, second guide bar 22, sensor 23, treater and spring 24, second guide bar 22 sets up the one end of frame 1, the movably setting of leading wheel mounting bracket 21 is in on the second guide bar 22, leading wheel 20 sets up the bottom of leading wheel mounting bracket 21, spring 24 cover is established on the second guide bar 22, the both ends of spring 24 respectively with frame 1 and leading wheel mounting bracket 21 butt, the slope of sensor 23 sets up on the leading wheel mounting bracket 21, the treater sets up on frame 1, sensor 23 with the treater is connected, the treater with swing mechanism 3 and sideslip mechanism 4 connects.
The beneficial effect of adopting the further scheme is that: the guide wheel, the guide wheel mounting frame, the second guide rod, the sensor, the processor and the spring are arranged, so that the guide mechanism can guide the rail in real time according to the abrasion degree of the rail, the position and the angle of the flaw detection wheel can be adaptively adjusted through the guide effect of the guide mechanism, and the precision and the reliability of the railway flaw detection device are improved.
During running, under a railway curve, the inner side of a rail is worn or extruded and deformed frequently, the datum changes, the relative position of a flaw detection wheel is not centered any more, the flaw detection efficiency and the flaw detection effect are affected, the position error is brought to the flaw detection wheel when the inner side of the rail is used as the datum in the flaw detection wheel pair, at the moment, the middle distance information of the outer side surface distance of the rail without wear needs to be acquired, the relative position information of the outer side is quantized and transmitted to a transverse moving motor through a processor, the position of the flaw detection wheel on the rail is corrected, and finally the physical centering of the flaw detection wheel is realized, so that the good flaw detection effect is achieved; the detection device avoids interference with facilities such as turnouts on the outer side of a rail, and cannot be influenced by weather, wind, frost, rain, snow, weed, soil and stone and change of illumination conditions.
The problem that the flaw detection wheel is laterally worn when running on a rail is solved, the detection wheel frame cannot depend on a guide wheel, and the inner side of the rail is used as a positioning reference, so that the flaw detection wheel is mechanically centered. The existing solution is that distance information is provided for a processor by means of measurement of a sensor on the outer edge of a rail head, the processor gives correction quantity of a transverse moving motor (namely a second motor), the transverse moving motor rotates a lead screw to drive a moving block, transverse moving of a flaw detection wheel is implemented, and therefore automatic centering is achieved.
The automatic centering of the flaw detection wheel is realized, the efficiency and the effect of the flaw detection wheel in rail flaw detection are improved, and a sensor for automatically centering and acquiring distance information is a non-optical sensor and cannot be influenced by weather, wind, frost, rain, snow, weed, soil and stone and illumination condition changes; the structure is simple, the maintenance cost is low, and the rail detection device can be widely applied to rail detection.
Specifically, a guide wheel is arranged on a guide wheel mounting frame, a guide block is arranged on the inner side surface, and a distance measuring sensor is arranged on the outer side surface; the installation angle of the distance measuring sensor (namely the sensor) forms an included angle of 45 degrees with the upper plane of the rail, the distance from the outer side of the rail is not less than 20mm, not more than 40mm and not less than the upper horizontal plane of the rail head. The guide wheel mounting rack is arranged on a second guide rod, and a compression spring (namely a spring) is sleeved on the second guide rod so as to ensure that the flange edge of the guide wheel can be tightly attached to the inner side of the rail when the guide wheel runs on the rail; the swing mechanism can enable the flaw detection wheel of the flaw detection mechanism to swing leftwards and rightwards by more than +/-10 degrees under the driving of the first motor; the transverse moving mechanism is driven by a second motor, and the flaw detection wheels of the flaw detection mechanism can move in parallel left and right by more than +/-15 mm. The second motor in the traversing mechanism can be a pulse driving motor; the processor is connected with the sensor, the first motor and the second motor, the distance measuring sensor measures the distance and transmits data to the processor, the processor needs to convert the 45-degree included angle distance into a 0-degree displacement distance by using the pythagorean theorem, and sends a pulse instruction to drive the second motor of the transverse moving mechanism to rotate so as to drive the moving block to realize displacement and give transverse moving correction to the flaw detection wheel.
When flaw detection operation starts, the flaw detection wheel runs on the rail, the inner side of the rail is abraded when encountering a rail side grinding area, and a flange plate (namely a flange) of the guide wheel can integrally and outwardly displace under the thrust of a spring along with the abrasion loss of the rail, so that the centered position of the flaw detection wheel determined at the beginning can also outwardly deviate, and a sensor in the flaw detection wheel fails. A distance measuring sensor is fixed on a guide wheel mounting frame connected with the guide wheel, and the distance between the sensor and the outer side of the rail is also increased along with the outward deviation of the guide wheel; in order to avoid collision between the distance measuring sensor and a turnout in operation, the distance measuring sensor is installed in an inclined mode of 45 degrees, therefore, the relative displacement of the distance measuring sensor is determined, strand hooking operation is carried out, namely the distance measuring sensor transmits measured displacement distance information to the processor, the processor transmits distance values to the transverse moving mechanism through the real transverse moving distance obtained through the strand hooking operation, a pulse motor in the mechanism rotates for a certain number of turns according to an instruction given by the processor, compensation of side grinding missing distance is achieved, and automatic centering of the flaw detection wheel is achieved. For example, the sensor is at 45 degrees, the detection distance is enlarged by 5mm, the actual flaw detection wheel is translated outward by 3.5mm through calculation of the processor or corresponding matching data, the processor changes the strand hooking calculation value into a pulse, the second motor of the transverse moving mechanism is driven, and the flaw detection wheel is rotated for 3.5 circles (the lead screw lead is 1mm) and then is translated inward to the rail by 3.5 mm.
As shown in fig. 1 to 7, the sensor 23 is further inclined at an angle of 45 degrees with respect to the guide wheel mounting frame 21.
The beneficial effect of adopting the further scheme is that: the sensor is 45 degrees for the inclination of leading wheel mounting bracket, prevents that the rail from colliding the sensor, improves the stability and the reliability of railway detection device.
Further, the guide mechanism 2 further includes: and the guide block 25 is arranged on the guide wheel mounting frame 21, and the guide block 25 is positioned in front of the guide wheel 20.
The beneficial effect of adopting the further scheme is that: and the guide block is arranged and used for guiding the railway flaw detection device.
The wire wheel and wire block function to provide a positional reference for the inspection wheel system. Under the thrust of the spring, the flange edge of the guide wheel and the guide block can be blocked at the inner side of the rail to play a role in guiding. One side of the guide wheel is provided with a flange plate which is tightly attached to the inner side of the rail under the action of a spring, and the radial rolling surface of the guide wheel is arranged above the rail.
Further, the sensor 23 is a distance sensor.
The beneficial effect of adopting the further scheme is that: the sensor is a distance sensor, so that the railway flaw detection device can conveniently adjust the flaw detection wheel set according to the actual abrasion condition of the rail, and the precision and the reliability of the railway flaw detection device are improved.
The sensor can be an analog quantity proximity sensor, and the model is 30.
Further, a flange 26 is provided on one side of the guide wheel 20, and the flange 26 protrudes from the wheel surface of the guide wheel.
The beneficial effect of adopting the further scheme is that: the setting of flange is convenient for the joint in the inboard of rail to through the compression effect of spring, make the flange all the time with the inboard butt of rail, be convenient for lead the position of rail wearing and tearing, the suitability centering of the railway inspection device of being convenient for.
Further, the guide wheel 20 is located in front of the flaw detection mechanism 5.
The beneficial effect of adopting the further scheme is that: the guide wheel is positioned in front of the flaw detection mechanism, so that real-time guide is facilitated before flaw detection of the flaw detection wheel, and when a rail is worn, the flaw detection wheel is centered in time, and the precision and the reliability of the railway flaw detection device are improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A railway flaw detection apparatus, comprising: the flaw detection device comprises a frame, a guide mechanism, a swinging mechanism, a transverse moving mechanism and a flaw detection mechanism, wherein the guide mechanism is movably arranged at one end of the frame, the swinging mechanism and the transverse moving mechanism are arranged at the top of the frame, the flaw detection mechanism is movably arranged in the frame, the guide mechanism is connected with the swinging mechanism and the transverse moving mechanism, and the swinging mechanism, the transverse moving mechanism and the flaw detection mechanism are sequentially connected.
2. The railway flaw detection apparatus according to claim 1, wherein the swing mechanism includes: first motor, first shaft coupling, worm, turbine and swing crossbeam, swing crossbeam rotationally sets up the top of frame, first motor sets up on the frame, first motor first shaft coupling the worm the turbine and swing crossbeam connects gradually, sideslip mechanism with the mechanism setting of detecting a flaw is in on the swing crossbeam.
3. The railway flaw detection apparatus according to claim 2, wherein the swing mechanism further comprises: the rotary swing seat is characterized in that an ear plate is arranged at the bottom of the swing cross beam and connected with the ear plate of the swing cross beam, the rotary swing seat is coaxial and connected with the turbine, and the turbine is of a semi-circular arc structure.
4. The railway inspection apparatus of claim 2, wherein the traversing mechanism comprises: the flaw detection device comprises a motor base, a first guide rod, a moving block, a lead screw, a second motor and a second coupler, wherein the motor base is arranged on the swinging cross beam, the second motor is arranged on the motor base, the first guide rod is arranged at the bottom of the motor base, the moving block is slidably arranged on the first guide rod, the second motor, the second coupler and the lead screw are sequentially connected, a nut matched with the lead screw is arranged on the moving block, the moving block is movably sleeved on the lead screw through the nut, and the moving block is connected with the flaw detection mechanism.
5. The railway inspection apparatus of claim 1, wherein the guide mechanism comprises: leading wheel, leading wheel mounting bracket, second guide bar, sensor, treater and spring, the second guide bar sets up the one end of frame, the movably setting of leading wheel mounting bracket is in on the second guide bar, the leading wheel sets up the bottom of leading wheel mounting bracket, the spring housing is established on the second guide bar, the both ends of spring respectively with the frame and leading wheel mounting bracket butt, the sensor slope sets up on the leading wheel mounting bracket, the sensor with the treater is connected, the treater with swing mechanism and sideslip mechanism connects.
6. The railway inspection apparatus of claim 5, wherein the angle of inclination of the sensor with respect to the guide wheel mounting bracket is 45 degrees.
7. The railway inspection apparatus of claim 5, wherein the guide mechanism further comprises: the guide block is arranged on the guide wheel mounting frame and is positioned in front of the guide wheel.
8. The railway inspection apparatus of claim 5, wherein the sensor is a distance sensor.
9. The railway flaw detection device according to claim 5, wherein a flange is provided on one side of the guide wheel, and the flange protrudes from a wheel surface of the guide wheel.
10. The railway inspection apparatus of claim 5, wherein the guide wheel is positioned in front of the inspection mechanism.
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| CN202023330063.3U CN214112560U (en) | 2020-12-31 | 2020-12-31 | Railway flaw detection device |
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| CN202023330063.3U CN214112560U (en) | 2020-12-31 | 2020-12-31 | Railway flaw detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116039696A (en) * | 2022-11-22 | 2023-05-02 | 北京新科启源科技有限公司 | Steel rail ultrasonic wheel type detection wheel assembly with automatic centering function and flaw detection vehicle |
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2020
- 2020-12-31 CN CN202023330063.3U patent/CN214112560U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116039696A (en) * | 2022-11-22 | 2023-05-02 | 北京新科启源科技有限公司 | Steel rail ultrasonic wheel type detection wheel assembly with automatic centering function and flaw detection vehicle |
| CN116039696B (en) * | 2022-11-22 | 2024-01-30 | 北京新科启源科技有限公司 | Steel rail ultrasonic wheel type detection wheel assembly with automatic centering function and flaw detection vehicle |
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