CN218956493U - Steel rail vertical damage detection process experiment platform - Google Patents
Steel rail vertical damage detection process experiment platform Download PDFInfo
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- CN218956493U CN218956493U CN202223103746.4U CN202223103746U CN218956493U CN 218956493 U CN218956493 U CN 218956493U CN 202223103746 U CN202223103746 U CN 202223103746U CN 218956493 U CN218956493 U CN 218956493U
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Abstract
The utility model relates to a steel rail vertical damage detection process experiment platform which comprises a base, a strip-shaped suspended rail beam, a simulated damaged rail, a suspension, two flaw detection wheel sets and a linear displacement driving mechanism, wherein the suspended rail beam is horizontally erected above the base, the simulated damaged rail is parallel to the suspended rail beam, the suspension is slidingly assembled on the suspended rail beam, the two flaw detection wheel sets are respectively assembled on the suspension at intervals along the length direction of the suspended rail beam, the linear displacement driving mechanism is arranged on the suspended rail beam and connected with the suspension, a centering assembly is arranged on the suspension and connected with the two flaw detection wheel sets, a measuring wheel in rolling contact with the side end of the suspended rail beam is assembled on the suspension, the wheel axle of the measuring wheel is connected with an encoder, and the flaw detection wheel sets are provided with flaw detection probes. The method has the advantages that all common morphological flaws of the steel rail are simulated, and the flaw detection problem of the vertical flaws of the steel rail is solved by adopting a double-detection-wheel multi-probe multi-angle compound flaw detection process; can realize recording the injury position and the injury information, accurate location injury.
Description
Technical Field
The utility model relates to the technical field of rail flaw detection, in particular to a steel rail vertical flaw detection process experiment platform.
Background
In recent years, railway industry is vigorous, railway construction is comprehensively developed, and great opportunity is brought to development of rail flaw detection equipment. At present, the ultrasonic flaw detection of the steel rail in China mainly uses a single-rail hand-push type ultrasonic flaw detector as a main basis, has a good detection effect and is a main basis for analyzing and judging the flaw of the steel rail, but the ultrasonic flaw detection of the steel rail has low detection speed, low efficiency and high working strength, restricts the development of the hand-push type ultrasonic flaw detector, and cannot meet the requirements of the rapid development of railway construction operation. The application and development of the double-rail ultrasonic flaw detector greatly relieve the bottleneck of the steel rail flaw detection, well supplement the manual ultrasonic flaw detection, and have huge development space in the popularization and application stage at present.
Compared with the sliding shoe type probe layout of the hand-push type ultrasonic flaw detector, the double-rail type ultrasonic flaw detector has the characteristics of high detection speed, high efficiency, small working strength and the like, and is a main strength for steel rail flaw detection in the future. At present, the single-wheel double-rail ultrasonic flaw detector has a certain function in rail flaw detection operation, but the process is still immature, and the vertical flaw and weld joint flaw of the rail cannot be effectively detected, so that the application and popularization of the single-wheel double-rail ultrasonic flaw detector are restricted. Meanwhile, compared with a hand-push type ultrasonic flaw detector, the double-rail ultrasonic flaw detector has higher and more complex research conditions, and has higher requirements on research environments, particularly software and hardware and the like, because the double-rail ultrasonic flaw detector is required to be matched with the research requirements of the double-rail ultrasonic flaw detector, and the actual flaw detection operation working condition is simulated in multiple aspects.
In view of the above factors and needs, there is a need for a device that has the following functions: 1) The device adopts a double-detection-wheel process layout, can realize flaw detection of all forms of flaws of the steel rail, and mainly comprises flaw detection of vertical flaws of the steel rail; 2) The integrated software and hardware of the device can directly reflect the actual flaw detection operation working condition, realize the synchronous display of flaw detection information and position, and meet the rapid conversion of experimental results; 3) The device can meet the basic control precision requirement, improve the flaw detection sensitivity and realize the accurate positioning of the double detection wheels and the steel rail flaw.
Disclosure of Invention
The utility model aims to provide a steel rail vertical damage detection process experiment platform, which effectively overcomes the defects of the prior art.
The technical scheme for solving the technical problems is as follows:
the utility model provides a vertical damage detection technology experiment platform of rail, includes base, bar-shaped suspended rail roof beam, simulation damage rail, suspension, two wheelsets and linear displacement actuating mechanism that detect a flaw, the suspended rail roof beam level is erect in the top of base, simulation damage rail level install in the base upper end, and with suspended rail roof beam is parallel, suspension sliding fit in on the suspended rail roof beam, two the wheelset that detect a flaw is respectively followed the length direction interval of suspended rail roof beam assemble in on the suspension, linear displacement actuating mechanism install in on the suspended rail roof beam, and with the suspension is connected, is used for driving the suspension to follow the suspended rail roof beam removes, and drives two the wheel body of wheelset that detects a flaw is followed the tread rolling walking of simulation damage rail is detected a flaw, be equipped with centering assembly on the suspension, centering assembly with two the wheelset is connected, is used for driving two the wheelset along the width direction translation of suspended rail roof beam, and driving two the wheelset orientation of detecting a flaw in the both sides of suspended rail roof beam change angle adjustment, thereby make the suspension has the wheel body that detects a flaw has the measurement of the wheelset that detects a flaw has the vertical encoder has the wheel set that detects a flaw with the wheel face of the suspension, has the vertical encoder.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, the simulated wound rail is a wound rail with vertical cracks.
Further, the linear displacement driving mechanism comprises a motor, a belt gear belt and two belt gear belt pulleys, wherein the motor is arranged on the upper part of one end of the suspended rail beam, one Pi Chi belt pulley is coaxially arranged on a motor shaft of the motor, the other belt gear belt pulley is assembled on the upper part of the other end of the suspended rail beam in a rotating way, the belt gear belt surrounds the two Pi Chi belt pulleys, and the upper end of the suspension is connected with the belt gear belt through a connecting piece.
Further, the motor, the encoder and the flaw detection probe are respectively connected with a computer host.
Further, a sliding rail is arranged on one side of the suspension rail beam along the length direction of the suspension rail beam, and the suspension is in sliding connection with the sliding rail through a sliding block.
Further, the centering assembly comprises two 'door' -shaped adjusting frames, a transverse displacement adjusting mechanism and an angle adjusting mechanism, wherein the two adjusting frames are respectively rotatably assembled in the suspension frame and are distributed at intervals along the length direction of the suspension rail beam, two groups of flaw detection wheel sets are respectively arranged in the two adjusting frames in a one-to-one correspondence manner, the upper end of each adjusting frame is provided with the transverse displacement adjusting mechanism, the transverse displacement adjusting mechanism is connected with the upper end of a corresponding group of flaw detection wheel sets and is used for driving the flaw detection wheel sets to translate along the width direction of the suspension rail beam, the two angle adjusting mechanisms are arranged and are respectively assembled on the adjusting frames and are respectively connected with the two adjusting frames in a one-to-one correspondence manner, and the angle adjusting mechanism is used for driving the corresponding adjusting frames to swing towards the width direction of the suspension rail beam so as to enable the flaw detection wheel sets to swing towards the two sides of the suspension rail beam to adjust angles.
Further, the base is a rectangular plate-shaped member, the two ends of the base are respectively provided with a supporting frame, and the two ends of the suspension rail beam are respectively connected and fixed with the supporting frames at the two ends of the base.
The beneficial effects of the utility model are as follows: the design and the customization of the precise flaw rail simulate all common form flaws of the steel rail, and the flaw detection problem of the vertical flaws of the steel rail is solved by adopting a double-detection-wheel multi-probe multi-angle compound flaw detection process; the software and hardware equipment reflecting the actual operation conditions is adopted, so that the rapid parallel conversion of the research and test results is realized, and the flaw detection mechanism obtains the detection effect with the same quality as the experiment platform in the actual operation; the accurate alignment of the flaw information and the flaw position is realized, the waveform characteristics of the steel rail flaws can be known and analyzed in real time through the flaw detection wheel set, and the existing position of the steel rail flaws can be accurately determined through the measuring wheel and the encoder; the device has high control precision, good operability, simple and convenient operation, can accurately regulate and control the running position of the double detection wheels, and obviously improves the flaw detection sensitivity and the positioning precision of the steel rail flaw.
Drawings
FIG. 1 is a schematic structural diagram of an experimental platform of a steel rail vertical damage detection process;
fig. 2 is an assembly structure diagram of a suspension and a flaw detection wheel set in the steel rail vertical flaw detection process experiment platform.
In the drawings, the list of components represented by the various numbers is as follows:
1. a base; 2. a suspended rail beam; 3. simulating a rail injury; 4. a suspension; 5. flaw detection wheel sets; 6. a linear displacement driving mechanism; 7. a measuring wheel; 8. an encoder; 61. a motor; 62. a toothed belt; 63. pi Chi belt pulley; 91. an adjusting frame; 92. a lateral displacement adjustment mechanism; 93. an angle adjusting mechanism.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
Examples: as shown in fig. 1, the experimental platform for the vertical flaw detection process of the steel rail in this embodiment includes a base 1, a strip-shaped suspended rail beam 2, a simulated flaw rail 3, a suspension 4, two flaw detection wheel sets 5 and a linear displacement driving mechanism 6, wherein the suspended rail beam 2 is horizontally erected above the base 1, the simulated flaw rail 3 is horizontally installed at the upper end of the base 1 and is parallel to the suspended rail beam 2, the suspension 4 is slidingly assembled on the suspended rail beam 2, the two flaw detection wheel sets 5 are respectively assembled on the suspension 4 at intervals along the length direction of the suspended rail beam 2, the linear displacement driving mechanism 6 is installed on the suspended rail beam 2 and is connected with the suspension 4, and is used for driving the suspension 4 to move along the suspended rail beam 2 and driving the wheel bodies of the two flaw detection wheel sets 5 to roll along the tread of the simulated flaw detection rail 3, a centering assembly is arranged on the suspension 4, the centering assembly is connected with the two flaw detection wheel sets 5, the two flaw detection wheel sets 5 are used for being slidingly assembled on the suspended rail beam 2 along the width direction, the two flaw detection wheel sets 5 are respectively, the two flaw detection wheel sets are respectively provided with a rolling encoder and the two rolling encoder wheels 7 are respectively arranged on the two sides of the suspended rail 2 along the width direction of the suspended rail 2, and the rolling encoder is connected with the two rolling encoder wheels 5, and the rolling encoder wheels are respectively arranged on the two rolling encoder wheels 2, and the rolling encoder wheels are respectively, and the rolling encoder wheels are connected to the rolling encoder wheels and the two rolling encoder wheels are respectively.
The flaw detection process is as follows:
in the initial state, the suspension 4 and the aggregate of the two flaw detection wheel sets 5 are positioned above one end of the simulated flaw rail 3, then the linear displacement driving mechanism 6 drives the suspension 4 and the two flaw detection wheel sets 5 to move along the suspension rail beam 2, in the moving process, the measuring wheel 7 rolls along the suspension rail beam 2, meanwhile, the encoder 8 converts the moving displacement of the measuring wheel 7 into an electric signal and transmits the electric signal to a computer host for recording (namely recording the moving displacement information of the flaw detection wheel sets 5), in the process, the two flaw detection wheel sets 5 can roll along the tread of the simulated flaw rail 3, in the traveling process, a plurality of probes (ultrasonic probes) integrated on the flaw detection wheel sets 5 can perform flaw detection on the simulated flaw rail 3 in the traveling process, and send flaw detection results to the computer host connected with the ultrasonic probes, and the computer host simultaneously records the traveling position information of the flaw detection wheel sets 5 along the simulated flaw rail 3 and the flaw detection information detected by the simulated flaw rail 3, namely, the flaw positions of the simulated flaw rail 3 can be accurately found, and simultaneously, the flaw detection wheel sets 5 can travel along the simulated flaw rail 3, the tread 3, the two-angle-adjustable flaw detection wheel sets can be perpendicular to the simulated flaw rail 3, and the angle-adjustable flaw detection process is realized by adopting the two-wheel sets 3, and the angle-adjustable flaw detection device; the software and hardware equipment reflecting the actual operation conditions is adopted, so that the rapid parallel conversion of the research and test results is realized, and the flaw detection mechanism obtains the detection effect with the same quality as the experiment platform in the actual operation; the accurate alignment of the flaw information and the flaw position is realized, the waveform characteristics of the steel rail flaws can be known and analyzed in real time through the flaw detection wheel set, and the existing position of the steel rail flaws can be accurately determined through the measuring wheel and the encoder; the device has high control precision, good operability, simple and convenient operation, can accurately regulate and control the running position of the double detection wheels, and obviously improves the flaw detection sensitivity and the positioning precision of the steel rail flaw
In this embodiment, the simulated wound rail 3 is a precisely customized wound rail with vertical cracks.
As a preferred embodiment, the linear displacement driving mechanism 6 includes a motor 61, a toothed belt 62 and two toothed belt wheels 63, the motor 61 is mounted on an upper portion of one end of the suspension beam 2, one of the Pi Chi belt wheels 63 is coaxially mounted on a motor shaft, the other Pi Chi belt wheel 63 is rotatably mounted on an upper portion of the other end of the suspension beam 2, the toothed belt 62 surrounds the two Pi Chi belt wheels 63, and an upper end of the suspension 4 is connected with the toothed belt 62 through a connecting member.
In the above embodiment, the motor 61 drives the belt pulley 63 and the belt 62 to move during the operation process, so as to drive the suspension 4 and the flaw detection wheel set 5 to move linearly along the suspension beam 2, and the operation is stable.
Of course, the linear displacement driving mechanism 6 can be replaced by other products of the prior art, such as an electric linear guide rail.
In this embodiment, a sliding rail is provided at one side (or the lower end) of the suspension beam 2 along the length direction thereof, and the suspension 4 is slidably connected with the sliding rail through a sliding block. It is ensured that the suspension 4 can slide stably along the slide rail without being skewed.
As a preferred embodiment, as shown in fig. 2, the centering assembly includes two "door" type adjusting frames 91, a lateral displacement adjusting mechanism 92 and an angle adjusting mechanism 93, the two adjusting frames 91 are rotatably assembled in the suspension 4 (two ends are rotatably connected with the suspension 4 through pins h respectively), and are distributed at intervals along the length direction of the suspended beam 2, two groups of flaw detection wheel sets 5 are disposed in the two adjusting frames 91 in a one-to-one correspondence manner, the upper end of each adjusting frame 91 is provided with the lateral displacement adjusting mechanism 92, the lateral displacement adjusting mechanism 92 is connected with the upper end of a corresponding group of flaw detection wheel sets 5, and is used for driving the flaw detection wheel sets 5 to translate along the width direction of the suspended beam 2, the angle adjusting mechanism 93 is provided with two and is assembled on the adjusting frames 91 respectively and is connected with the two adjusting frames 91 in a one-to-one correspondence manner, and the angle adjusting mechanism 93 is used for driving the corresponding adjusting frames 91 to rotate towards the width direction of the suspended beam 2, so that the swing beam sets 5 rotate towards the two sides of the swing beam 2.
In the above embodiment, the corresponding flaw detection wheel set 5 can be adjusted to be displaced transversely (i.e., the width direction of the simulated flaw rail 3) relative to the adjusting frame 91 by the transverse displacement adjusting mechanism 92, the flaw detection wheel set 5 is always centered with the middle part of the tread of the simulated flaw rail 3, and meanwhile, the swinging angles of the adjusting frame 91 relative to the two sides of the suspension 4 (i.e., the swinging angles of the two sides of the flaw detection wheel set 5) can be adjusted by the angle adjusting mechanism 93, so that the flaw detection wheel set 5 is always kept in vertical contact with the tread of the simulated flaw rail 3. The overall structure design is reasonable, and the flaw detection wheel set 5 is in centering contact with the tread of the simulated flaw rail 3.
In this embodiment, the transverse displacement adjusting mechanism 92 belongs to the prior art, and specifically, may include a transversely disposed mounting seat a, a screw rod is connected to the lower end of the mounting seat (which is a door-shaped seat) in a transversely rotatable manner, a nut seat close to or contacting with the lower end of the mounting seat is disposed on the screw rod, the nut seat is fixedly connected with the upper end of the flaw detection wheel set 5 (that is, the upper end of the wheel frame of the flaw detection wheel set 5), one end of the mounting seat is connected with a speed reducer b, the output end of the speed reducer is connected with one end of the screw rod, the input end of the speed reducer b is connected with a servo motor c, and the power of the servo motor c is transmitted to the screw rod through the speed reducer b, so as to drive the screw rod to rotate, and finally, the nut seat and the flaw detection wheel set 5 are linearly moved relative to the screw rod.
In this embodiment, the angle adjusting mechanism 93 belongs to the prior art, and includes a driving motor g, a speed reducer d, a fixed plate e and a worm f, where the speed reducer d is installed at a side end of the suspension 4, the fixed plate is horizontally and vertically installed in the suspension 4, the worm f is horizontally disposed and rotatably installed on one surface of the fixed plate, a worm wheel (quarter worm wheel) meshed with the worm f is vertically fixed on the pin shaft h, the power of the driving motor 9 is transferred to the worm f through the speed reducer d, and then drives the worm wheel to rotate, so as to drive the pin shaft h connected with the worm wheel to rotate, thereby realizing that the corresponding adjusting frame 91 swings towards two sides of the simulated wound rail 3 relative to the suspension 4, and finally realizing that the adjusting flaw detection wheel set 5 vertically contacts with the tread of the simulated wound rail 3.
In this embodiment, the base 1 is a rectangular plate-shaped member, two ends of the rectangular plate-shaped member are respectively provided with a supporting frame, and two ends of the suspension beam 2 are respectively connected and fixed with the supporting frames at two ends of the base 1.
In this embodiment, the motor 61, the encoder 8 and the flaw detection probe are respectively connected to a computer host. Or all the electric elements are connected with a computer host to realize intelligent control.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. A steel rail vertical damage detection process experiment platform is characterized in that: comprises a base (1), a strip-shaped suspended rail beam (2), a simulated wound rail (3), a suspension frame (4), two flaw detection wheel sets (5) and a linear displacement driving mechanism (6), wherein the suspended rail beam (2) is horizontally erected above the base (1), the simulated wound rail (3) is horizontally arranged at the upper end of the base (1) and is parallel to the suspended rail beam (2), the suspension frame (4) is slidingly assembled on the suspended rail beam (2), the two flaw detection wheel sets (5) are respectively assembled on the suspension frame (4) at intervals along the length direction of the suspended rail beam (2), the linear displacement driving mechanism (6) is arranged on the suspended rail beam (2) and is connected with the suspension frame (4) to drive the suspension frame (4) to move along the suspended rail beam (2) and drive the wheel bodies of the two flaw detection wheel sets (5) to move along the tread rolling running of the simulated wound rail (3), the centering assembly (4) is provided with the two flaw detection wheel sets (5) at intervals along the length direction of the suspended rail beam (2), the two flaw detection wheel sets (5) are connected with the two swing angle adjustment wheel sets (5) along the two flaw detection wheel sets (2) at the two sides, so that the wheel body of the flaw detection wheel set (5) is vertically contacted with the tread of the simulated flaw rail (3), a measuring wheel (7) in rolling contact with the side end of the suspended rail beam (2) is arranged on the suspension (4), an encoder (8) is connected with the wheel shaft of the measuring wheel (7), and the flaw detection wheel set (5) is provided with a flaw detection probe.
2. The steel rail vertical damage detection process experiment platform as claimed in claim 1, wherein: the simulated wound rail (3) is a wound rail with vertical cracks.
3. The steel rail vertical damage detection process experiment platform as claimed in claim 1, wherein: the linear displacement driving mechanism (6) comprises a motor (61), a belt gear (62) and two belt gear pulleys (63), wherein the motor (61) is arranged on the upper portion of one end of the suspension rail beam (2), one belt gear pulley (63) is coaxially arranged on a motor shaft of the motor, the other belt gear pulley (63) is assembled on the upper portion of the other end of the suspension rail beam (2) through rotation, the belt gear (62) surrounds the two belt gear pulleys (63), and the upper end of the suspension frame (4) is connected with the belt gear (62) through a connecting piece.
4. A steel rail vertical damage detection process experiment platform as claimed in claim 3, wherein: the motor (61), the encoder (8) and the flaw detection probe are respectively connected with a computer host.
5. The steel rail vertical damage detection process experiment platform as claimed in claim 1, wherein: one side of the suspension rail beam (2) is provided with a sliding rail along the length direction of the suspension rail beam, and the suspension (4) is in sliding connection with the sliding rail through a sliding block.
6. The steel rail vertical damage detection process experiment platform as claimed in claim 1, wherein: the centering assembly comprises a door-shaped adjusting frame (91), a transverse displacement adjusting mechanism (92) and an angle adjusting mechanism (93), wherein the two adjusting frames (91) are arranged, are respectively rotatably assembled in the suspension frame (4) and are distributed along the length direction of the suspended beam (2) at intervals, two groups of flaw detection wheel sets (5) are respectively arranged in the two adjusting frames (91) in a one-to-one correspondence manner, each transverse displacement adjusting mechanism (92) is arranged at the upper end of each adjusting frame (91), the transverse displacement adjusting mechanism (92) is connected with the corresponding group of upper ends of the flaw detection wheel sets (5) and is used for driving the flaw detection wheel sets (5) to translate along the width direction of the suspended beam (2), the angle adjusting mechanism (93) is provided with two groups of flaw detection wheel sets and are respectively assembled on the adjusting frames (91), the angle adjusting mechanisms (93) are respectively in one-to-one correspondence manner and are respectively connected with the two adjusting frames (91), and the angle adjusting frames (91) are used for driving the corresponding adjusting frames (91) to rotate towards the width direction of the suspended beam (2) to swing the two sides of the suspended beam (2).
7. A steel rail vertical damage detection process experiment platform according to any one of claims 1 to 6, wherein: the base (1) is a rectangular plate-shaped member, the two ends of the base are respectively provided with a supporting frame, and the two ends of the suspension rail beam (2) are respectively connected and fixed with the supporting frames at the two ends of the base (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202223103746.4U CN218956493U (en) | 2022-11-22 | 2022-11-22 | Steel rail vertical damage detection process experiment platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202223103746.4U CN218956493U (en) | 2022-11-22 | 2022-11-22 | Steel rail vertical damage detection process experiment platform |
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| CN218956493U true CN218956493U (en) | 2023-05-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116297872A (en) * | 2023-05-25 | 2023-06-23 | 邢台超拓科技开发有限公司 | Double-probe steel rail welding seam rail bottom arc damage scanning device and flaw detection method |
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2022
- 2022-11-22 CN CN202223103746.4U patent/CN218956493U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116297872A (en) * | 2023-05-25 | 2023-06-23 | 邢台超拓科技开发有限公司 | Double-probe steel rail welding seam rail bottom arc damage scanning device and flaw detection method |
| CN116297872B (en) * | 2023-05-25 | 2023-08-04 | 邢台超拓科技开发有限公司 | Double-probe steel rail welding seam rail bottom arc damage scanning device and flaw detection method |
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