Ultrasonic flaw detector for track damage detection

Abstract

The utility model relates to the technical field of flaw detectors, in particular to an ultrasonic flaw detector for track damage detection, which not only cleans a steel rail before detection so as to improve the accuracy of ultrasonic detection, but also cleans the steel rail by using a plurality of methods such as cleaning liquid, polishing, purging and the like so as to prolong the service life of the steel rail. Comprising a body; the rail cleaning device comprises a vehicle body and further comprises a driving mechanism, a grinding mechanism, a cleaning mechanism, a blowing mechanism and a detection mechanism, the driving mechanism is installed on the vehicle body and prevents the device from derailing, the grinding mechanism is installed on the vehicle body and grinds a rail, and the cleaning mechanism is installed on the grinding mechanism and cleans the rail. The purging mechanism is installed on the driving mechanism and purges the ground rust, and the detection mechanism is installed on the vehicle body and conducts ultrasonic detection on the track.

Description

Technical Field

[0001] The utility model relates to the technical field of flaw detectors, in particular to an ultrasonic flaw detector for detecting track damage. Background Art

[0002] After the construction of the rails or after a period of use, the degree of damage and the location of the damage on the rail surface need to be detected. Therefore, it is necessary to use a corresponding flaw detector to achieve detection by moving on the track.

[0003] Existing flaw detectors, such as an ultrasonic rail flaw detector disclosed in the invention patent with application number 201810290827.9, have a main structure including a box body, an analyzer is fixedly installed on the top of the box body, connecting rods are fixedly installed in the middle of the front and back of the box body, a handle is provided above the connecting rod, and the two ends of the handle are movably connected to the two sides of the box body respectively, and the middle part of the handle is fixedly sleeved with an anti-slip pad, and the two ends of the connecting rod extend to the outside of the two sides of the box body respectively, and the left and right ends of the connecting rod are fixedly connected to the support plate by rivets; when in use, the ultrasonic rail flaw detector is pushed to the specified track, and the ultrasonic rail flaw detector is fixedly installed on the middle of the handle. The concave plate moves to the top of the rail, and then the push rod is pulled outward, driving the clamping block to move inward, the tension spring undergoes elastic deformation, the two push rods are released, and the two clamping blocks clamp the rail. At this time, the ultrasonic detection block is squeezed by the upper surface of the rail, the pressure rod squeezes the base block upward, the base block squeezes the compression spring, and adaptively fits tightly. At this time, the rail is between the two cleaning brushes, the servo motor is started, and then the ultrasonic rail flaw detector is pushed along the rail. After cleaning the rail, the inspection is carried out. At the same time, the screw is pushed inward, the absorption sponge is compressed, and the cleaning liquid flows out from the through hole, and the cleaning liquid is evenly applied to the rail through the covering roller.

[0004] However, most of the existing flaw detectors simply clean the rails before testing, and it is easy for waste chips to remain on the rails, thereby affecting the ultrasonic testing effect and causing misjudgment. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides an ultrasonic flaw detector for rail damage detection, which not only cleans the rails before detection, thereby improving the accuracy of ultrasonic detection, but also utilizes a variety of methods such as cleaning liquid, grinding and purging to clean the rails, thereby extending the service life of the rails.

[0006] The utility model discloses an ultrasonic flaw detector for detecting damage to a track, comprising a vehicle body; a driving mechanism, a grinding mechanism, a cleaning mechanism, a purging mechanism and a detecting mechanism, wherein the driving mechanism is mounted on the vehicle body and prevents a device from derailing, the grinding mechanism is mounted on the vehicle body and grinds the track, the cleaning mechanism is mounted on the grinding mechanism and cleans the track, the purging mechanism is mounted on the driving mechanism and purges rust marks caused by grinding, and the detecting mechanism is mounted on the vehicle body and performs ultrasonic detection on the track; the driving mechanism is started, and the driving mechanism drives the vehicle body to travel on the track, so as to facilitate damage detection on the track, and the grinding mechanism and the cleaning mechanism are started while traveling, the cleaning mechanism sprays cleaning liquid onto the surface of the rail, the grinding mechanism grinds the rail to grind off the rust marks on the rail, and then the purging mechanism purges the surface of the polished rail to prevent residual waste chips on the rail, and then the detecting mechanism performs ultrasonic detection on the rail, so as to facilitate staff to determine the damage position.

[0007] Preferably, the vehicle body includes a base plate, a seat, a baffle and a steering wheel, the base plate is placed on a steel rail, the bottom end of the seat is connected to the top end of the base plate, the bottom end of the baffle is connected to the top end of the base plate, and the steering wheel is mounted on the baffle; the staff sits on the seat and controls the speed and direction of the device through the steering wheel, and the impact of wind on the staff can be reduced by setting the baffle.

[0008] Preferably, the driving mechanism includes an electric motor, a reducer, a transmission, a transmission shaft, two sets of driving wheels and two sets of guide wheels, the bottom end of the electric motor is connected to the top of the base plate, the bottom end of the reducer is connected to the top of the base plate, the top of the transmission is connected to the bottom end of the base plate and is transmission-connected to the reducer, a transmission shaft is rotatably mounted on the transmission, the two sets of driving wheels are both mounted on the bottom end of the base plate and are transmission-connected to the transmission shaft, and the two sets of guide wheels are both mounted on the bottom end of the base plate; start the electric motor, the electric motor is transmitted through the reducer and the transmission, the transmission drives the transmission shaft to rotate, the transmission shaft drives the two sets of driving wheels to rotate, the two sets of driving wheels rotate and drive the base plate to move forward, the staff adjusts the rotation speed of the driving wheels through the steering wheel, and the two sets of guide wheels are provided to facilitate the installation on the rails to prevent the device from derailing.

[0009] Preferably, the grinding mechanism includes two motors, two sets of two reducers, two transmission shafts, two sets of rotating shafts and two sets of grinding wheels. The bottom end of the two motors is connected to the top of the base plate, the bottom ends of the two sets of two reducers are connected to the top of the base plate, the two transmission shafts are installed between the two sets of two reducers, the two sets of rotating shafts are rotatably installed at the bottom end of the base plate and are longitudinally connected to the two sets of two reducers, and the two sets of grinding wheels are installed on the two sets of rotating shafts respectively; start the two motors, the two reducers drive the one set of two reducers connected thereto to work, the two reducers drive the other set of two reducers to work through the two transmission shafts, the two sets of two reducers drive the two sets of rotating shafts to rotate, the two sets of rotating shafts drive the two sets of grinding wheels to rotate, and the two sets of grinding wheels grind the rust on the surface of the rail to prevent the rust from affecting the subsequent ultrasonic flaw detection.

[0010] Preferably, the cleaning mechanism includes a water tank, a water pump, a suction pipe, a water supply pipe and two groups of nozzles, the bottom end of the water tank is connected to the top of the base plate, the bottom end of the water pump is connected to the top of the base plate and is driven by reducer 2, the suction pipe is installed on the water pump and is connected to the interior of the water tank, the water supply pipe is installed on the water pump, and the two groups of nozzles are installed on the base plate and are connected to the interior of the water supply pipe; the staff pours the cleaning liquid into the water tank for storage, and when the base plate moves forward, reducer 2 drives the water pump to work, the water pump draws out the cleaning liquid in the water tank through the suction pipe, and then transports it to the two groups of nozzles through the water supply pipe, and the two groups of nozzles spray the cleaning liquid onto the rails to facilitate subsequent grinding.

[0011] Preferably, the purging mechanism includes an air pump, an air suction pipe, a filter box, an air supply pipe and two groups of high-pressure nozzles, the bottom end of the air pump is connected to the top of the base plate and is transmitted to a reducer, the air suction pipe is installed on the air pump, the bottom end of the filter box is connected to the top of the base plate and is communicated with the inside of the air suction pipe, the air supply pipe is installed on the air pump, and two groups of high-pressure nozzles are installed at the bottom end of the base plate and are communicated with the inside of the air supply pipe; the reducer drives the air pump to work, the air pump draws in air through the air suction pipe and the filter box, filters the air by setting up the filter box to prevent impurities in the air, the air pump delivers the filtered air to the two groups of high-pressure nozzles through the air supply pipe, and the high-pressure nozzles vertically search the surface of the rail with the filtered air to prevent waste chips from remaining on the surface of the rail after grinding.

[0012] Preferably, the detection mechanism includes an ultrasonic generator and a control screen, the top end of the ultrasonic generator is connected to the bottom end of the base plate, and the control screen is installed on the baffle; the ultrasonic generator performs ultrasonic damage detection on the surface of the rail and transmits the detected data to the control screen to facilitate inspection by staff.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the driving mechanism is started, the driving mechanism drives the vehicle body to travel on the track, which is convenient for detecting damage to the track; the grinding mechanism and the cleaning mechanism are started while traveling, the cleaning mechanism sprays the cleaning liquid onto the surface of the rail, the grinding mechanism grinds the rail to grind off the rust on the rail, and then the blowing mechanism blows the surface of the ground rail to prevent residual waste on the rail, and then the detection mechanism performs ultrasonic detection on the rail, which is convenient for the staff to determine the damage location. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the axonometric structure of the vehicle body, driving mechanism and detection mechanism of the utility model;

[0016] Figure 3 It is a partially enlarged isometric structural diagram of the grinding mechanism and the cleaning mechanism of the utility model;

[0017] Figure 4 It is a schematic diagram of the cross-sectional axonometric structure of the grinding mechanism, the blowing mechanism and the detection mechanism of the utility model;

[0018] Figure 5 It is a partially enlarged axonometric structural schematic diagram of the purge mechanism of the utility model.

[0019] Markings in the attached drawings: 01, vehicle body; 11, bottom plate; 12, seat; 13, baffle; 14, steering wheel; 02, driving mechanism; 21, motor 1; 22, reducer 1; 23, transmission; 24, transmission shaft 1; 25, driving wheel; 26, guide wheel; 03, grinding mechanism; 31, motor 2; 32, reducer 2; 33, transmission shaft 2; 34, rotating shaft; 35, grinding wheel; 04, cleaning mechanism; 41, water tank; 42, water pump; 43, water extraction pipe; 44, water supply pipe; 45, nozzle; 05, purge mechanism; 51, air pump; 52, air extraction pipe; 53, filter box; 54, air supply pipe; 55, high-pressure nozzle; 06, detection mechanism; 61, ultrasonic generator; 62, control panel. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] Example 1

[0022] The utility model discloses an ultrasonic flaw detector for detecting track damage, comprising a vehicle body 01; a driving mechanism 02, a grinding mechanism 03, a cleaning mechanism 04, a purging mechanism 05 and a detection mechanism 06, wherein the driving mechanism 02 is mounted on the vehicle body 01 and prevents the device from derailing, the grinding mechanism 03 is mounted on the vehicle body 01 and grinds the track, the cleaning mechanism 04 is mounted on the grinding mechanism 03 and cleans the track, the purging mechanism 05 is mounted on the driving mechanism 02 and purges the rust left by grinding, and the detection mechanism 06 is mounted on the vehicle body 01 and performs ultrasonic detection on the track; the vehicle body 01 comprises a bottom plate 11, a seat 12, a baffle 13 and The steering wheel 14 and the bottom plate 11 are placed on the rails, the bottom end of the seat 12 is connected to the top end of the bottom plate 11, the bottom end of the baffle 13 is connected to the top end of the bottom plate 11, and the steering wheel 14 is installed on the baffle 13; the driving mechanism 02 includes a motor 21, a reducer 22, a transmission 23, a transmission shaft 24, two sets of driving wheels 25 and two sets of guide wheels 26, the bottom end of the motor 21 is connected to the top end of the bottom plate 11, the bottom end of the reducer 22 is connected to the top end of the bottom plate 11, the top end of the transmission 23 is connected to the bottom end of the bottom plate 11 and is connected to the reducer 22 for transmission, the transmission shaft 24 is rotatably installed on the transmission 23, and the two sets of driving wheels 2 5 are both installed at the bottom end of the bottom plate 11 and are connected to the transmission shaft 1 24 in transmission connection. The two sets of guide wheels 26 are both installed at the bottom end of the bottom plate 11; the grinding mechanism 03 includes a motor 2 31, two sets of reducers 2 32, a transmission shaft 2 33, two sets of rotating shafts 34 and two sets of grinding wheels 35. The bottom end of the motor 2 31 is connected to the top of the bottom plate 11, the bottom ends of the two sets of reducers 2 32 are connected to the top of the bottom plate 11, the transmission shaft 2 33 is installed between the two sets of reducers 2 32 in transmission connection, the two sets of rotating shafts 34 are respectively rotatably installed at the bottom end of the bottom plate 11 and are respectively connected to the two sets of reducers 2 32 in longitudinal direction, and the two sets of grinding wheels 35 are respectively installed on the two sets of rotating shafts 34; cleaning Mechanism 04 includes a water tank 41, a water pump 42, a water extraction pipe 43, a water delivery pipe 44 and two groups of nozzles 45. The bottom end of the water tank 41 is connected to the top end of the bottom plate 11, the bottom end of the water pump 42 is connected to the top end of the bottom plate 11 and is driven by a reducer 32, the water extraction pipe 43 is installed on the water pump 42 and is connected to the inside of the water tank 41, the water delivery pipe 44 is installed on the water pump 42, the two groups of nozzles 45 are installed on the bottom plate 11 and the two groups of nozzles 45 are connected to the inside of the water delivery pipe 44; the detection mechanism 06 includes an ultrasonic generator 61 and a control screen 62, the top end of the ultrasonic generator 61 is connected to the bottom end of the bottom plate 11, and the control screen 62 is installed on the baffle 13;When it is working, first the staff sits on the seat 12, controls the speed and direction of the device through the steering wheel 14, and sets the baffle 13 to reduce the impact of wind on the staff, and starts the motor 21. The motor 21 is transmitted through the reducer 22 and the transmission 23. The transmission 23 drives the transmission shaft 24 to rotate, and the transmission shaft 24 drives the two sets of driving wheels 25 to rotate. The rotation of the two sets of driving wheels 25 drives the bottom plate 11 to move forward. The staff adjusts the rotation speed of the driving wheels 25 through the steering wheel 14. By setting two sets of guide wheels 26, it is convenient to install the device on the rail to prevent the device from derailing. The motor 2 31 is started, and the reducer 2 32 drives a set of reducers 2 32 connected thereto to work. The staff pours the cleaning liquid into the water tank 41 for storage. When the bottom plate 11 moves forward, the reducer 2 32 drives the water pump 42 to work. The water pump 42 extracts the cleaning liquid in the water tank 41 through the pumping pipe 43, and then delivers it to the two groups of nozzles 45 through the water pipe 44. The two groups of nozzles 45 spray the cleaning liquid on the rails to facilitate subsequent grinding. At the same time, the reducer 2 32 drives another group of reducers 2 32 to work through the transmission shaft 2 33. The two groups of reducers 2 32 drive the two groups of rotating shafts 34 to rotate. The two groups of rotating shafts 34 drive the two groups of grinding wheels 35 to rotate. The two groups of grinding wheels 35 grind the rust on the surface of the rails to prevent the rust from affecting the subsequent ultrasonic flaw detection. The ultrasonic generator 61 performs ultrasonic damage detection on the surface of the rails and transmits the detected data to the control screen 62 to facilitate the staff to check. ;

[0023] Example 2

[0024] like Figures 1 to 5As shown, an ultrasonic flaw detector for rail damage detection of the utility model is based on Example 1; the purge mechanism 05 includes an air pump 51, an air extraction pipe 52, a filter box 53, an air supply pipe 54 and two groups of high-pressure nozzles 55, the bottom end of the air pump 51 is connected to the top of the bottom plate 11 and is driven by a reducer 22, the air extraction pipe 52 is installed on the air pump 51, the bottom end of the filter box 53 is connected to the top of the bottom plate 11 and is connected to the inside of the air extraction pipe 52, the air supply pipe 54 is installed on the air pump 51, and the two groups of high-pressure nozzles 55 are installed at the bottom end of the bottom plate 11 and are connected to the inside of the air supply pipe 54; when it is working, first the staff takes Sit on the seat 12, control the speed and direction of the device through the steering wheel 14, set the baffle 13 to reduce the impact of wind on the staff, start the motor 21, the motor 21 is transmitted through the reducer 22 and the transmission 23, the transmission 23 drives the transmission shaft 24 to rotate, the transmission shaft 24 drives the two sets of driving wheels 25 to rotate, the two sets of driving wheels 25 rotate to drive the bottom plate 11 to move forward, the staff adjusts the rotation speed of the driving wheel 25 through the steering wheel 14, and sets two sets of guide wheels 26 to facilitate the device on the rail to prevent the device from derailing, start the motor 231, and the reducer 232 drives the connected One group of reducers 32 works, and the staff pours the cleaning liquid into the water tank 41 for storage. When the bottom plate 11 moves forward, the reducer 32 drives the water pump 42 to work. The water pump 42 extracts the cleaning liquid in the water tank 41 through the pumping pipe 43, and then transports it to the two groups of nozzles 45 through the water pipe 44. The two groups of nozzles 45 spray the cleaning liquid onto the rails to facilitate subsequent grinding. At the same time, the reducer 32 drives another group of reducers 32 to work through the transmission shaft 33. The two groups of reducers 32 drive the two groups of rotating shafts 34 to rotate. The two groups of rotating shafts 34 drive the two groups of grinding wheels 35 to rotate. The two groups of grinding wheels 35 have a certain effect on the surface of the rails. The rust on the surface is polished to prevent the rust from affecting the subsequent ultrasonic flaw detection. The reducer 22 drives the air pump 51 to work. The air pump 51 draws air through the exhaust pipe 52 and the filter box 53. The air is filtered by setting the filter box 53 to prevent impurities in the air. The air pump 51 conveys the filtered air to two groups of high-pressure nozzles 55 through the air pipe 54. The high-pressure nozzles 55 vertically search the surface of the rail with the filtered air to prevent waste chips from remaining on the surface of the rail after grinding. The ultrasonic generator 61 performs ultrasonic damage detection on the surface of the rail and transmits the detected data to the control panel 62 for the convenience of inspection by the staff.

[0025] The motor 21, reducer 22, motor 31, reducer 32, water pump 42 and air pump 51 of the utility model are purchased on the market. The technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in this field to make creative efforts.

[0026] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. An ultrasonic flaw detector for detecting track damage, comprising a vehicle body (01); characterized in that: The invention also comprises a driving mechanism (02), a grinding mechanism (03), a cleaning mechanism (04), a purging mechanism (05) and a detection mechanism (06); the driving mechanism (02) is mounted on the vehicle body (01) and prevents the device from derailing; the grinding mechanism (03) is mounted on the vehicle body (01) and grinds the track; the cleaning mechanism (04) is mounted on the grinding mechanism (03) and cleans the track; the purging mechanism (05) is mounted on the driving mechanism (02) and purges away rust left by grinding; and the detection mechanism (06) is mounted on the vehicle body (01) and performs ultrasonic detection on the track.

2. The ultrasonic flaw detector for rail damage detection according to claim 1, characterized in that: The vehicle body (01) comprises a base plate (11), a seat (12), a baffle (13) and a steering wheel (14); the base plate (11) is placed on a steel rail, the bottom end of the seat (12) is connected to the top end of the base plate (11), the bottom end of the baffle (13) is connected to the top end of the base plate (11), and the steering wheel (14) is mounted on the baffle (13).

3. The ultrasonic flaw detector for rail damage detection according to claim 2, characterized in that: The driving mechanism (02) comprises an electric motor (21), a reducer (22), a transmission (23), a transmission shaft (24), two sets of driving wheels (25) and two sets of guide wheels (26). The bottom end of the electric motor (21) is connected to the top end of the base plate (11), the bottom end of the reducer (22) is connected to the top end of the base plate (11), the top end of the transmission (23) is connected to the bottom end of the base plate (11) and is transmission-connected to the reducer (22), the transmission shaft (24) is rotatably mounted on the transmission (23), the two sets of driving wheels (25) are both mounted on the bottom end of the base plate (11) and are transmission-connected to the transmission shaft (24), and the two sets of guide wheels (26) are both mounted on the bottom end of the base plate (11).

4. The ultrasonic flaw detector for rail damage detection according to claim 2, characterized in that: The grinding mechanism (03) comprises a second motor (31), two groups of second reducers (32), a second transmission shaft (33), two groups of rotating shafts (34) and two groups of grinding wheels (35). The bottom end of the second motor (31) is connected to the top end of the bottom plate (11), the bottom ends of the two groups of second reducers (32) are connected to the top end of the bottom plate (11), the second transmission shaft (33) is transmission-mounted between the two groups of second reducers (32), the two groups of rotating shafts (34) are respectively rotatably mounted at the bottom end of the bottom plate (11) and are respectively longitudinally connected to the two groups of second reducers (32), and the two groups of grinding wheels (35) are respectively mounted on the two groups of rotating shafts (34).

5. The ultrasonic flaw detector for rail damage detection according to claim 4, characterized in that: The cleaning mechanism (04) comprises a water tank (41), a water pump (42), a water extraction pipe (43), a water delivery pipe (44) and two groups of nozzles (45). The bottom end of the water tank (41) is connected to the top end of the bottom plate (11), the bottom end of the water pump (42) is connected to the top end of the bottom plate (11) and is driven by a second reducer (32). The water extraction pipe (43) is installed on the water pump (42) and is connected to the inside of the water tank (41). The water delivery pipe (44) is installed on the water pump (42). The two groups of nozzles (45) are installed on the bottom plate (11) and are connected to the inside of the water delivery pipe (44).

6. The ultrasonic flaw detector for rail damage detection according to claim 3, characterized in that: The purge mechanism (05) comprises an air pump (51), an air extraction pipe (52), a filter box (53), an air supply pipe (54) and two groups of high-pressure nozzles (55). The bottom end of the air pump (51) is connected to the top end of the bottom plate (11) and is driven by a reducer (22). The air extraction pipe (52) is mounted on the air pump (51). The bottom end of the filter box (53) is connected to the top end of the bottom plate (11) and is communicated with the inside of the air extraction pipe (52). The air supply pipe (54) is mounted on the air pump (51). The two groups of high-pressure nozzles (55) are both mounted at the bottom end of the bottom plate (11) and are communicated with the inside of the air supply pipe (54).

7. The ultrasonic flaw detector for rail damage detection according to claim 2, characterized in that: The detection mechanism (06) comprises an ultrasonic generator (61) and a control screen (62). The top end of the ultrasonic generator (61) is connected to the bottom end of the bottom plate (11), and the control screen (62) is installed on the baffle (13).

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