Railway steel rail flaw detection device

Abstract

The utility model discloses a railway steel rail flaw detection device and relates to the technical field of railway steel rail flaw detection. The flaw detection device comprises a bottom plate, a dust scraping assembly and a dust blowing assembly, the top of the bottom plate is fixedly connected with a flaw detection main machine, the front side and the rear side of the bottom of the bottom plate are fixedly connected with rolling wheels, the two sides of the bottom of the bottom plate are fixedly connected with cleaning frames, the front sides of the cleaning frames are fixedly connected with detection frames, and the front sides of the detection frames are fixedly connected with the dust blowing assembly. The dust scraping assembly comprises two control shells. According to the dust scraping device, dust and impurities attached to the surface of the rail can be scraped through the dust scraping assembly, the using positions of the two reset shells and the scraping piece are controlled through the adjusting mechanism, the scraping piece is made to make contact with the surface of the rail, and the sliding rods, the sliding sleeves and the springs in the reset shells control the scraping piece to be attached to the surface of the rail all the time; and it is guaranteed that the surface of the rail can be cleaned in the movable flaw detection process, the flaw detection effect is prevented from being affected by impurities and dirt, and the flaw detection precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to railway rail flaw detection technical field, especially relate to a railway rail flaw detection device. BACKGROUND

[0002] Railway rail flaw detection refers to using detection equipment to detect railway rails to find defects or damage on the track, ensure the safety and reliability of the railway track, and prevent accidents and failures caused by rail defects, mainly using non-destructive testing techniques such as ultrasonic detection, magnetic powder detection and eddy current detection.

[0003] Using ultrasonic detection to detect railway rails can not only detect fatigue defects and welding defects within the rail head and rail waist range, but also detect scratches, rail head crushing and wavy wear, as well as rail bottom corrosion and crescent block loss. However, the existing railway rail flaw detection device using ultrasonic detection does not have a rail surface cleaning function, and dirt and impurities attached to the rail surface can affect the ultrasonic detection of the rail, resulting in a decrease in detection accuracy, potential risks, and difficulties in use.

[0004] Therefore, we provide a railway rail flaw detection device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a railway rail flaw detection device, which solves the problem of the lack of rail cleaning function in the prior art railway rail flaw detection device, which can be affected by dirt and impurities attached to the rail surface during detection, and reduces the detection accuracy.

[0006] To solve the above technical problems, the utility model is realized by the following technical solutions.

[0007] The utility model discloses a railway rail flaw detection device, including bottom plate, scrape ash subassembly and blow ash subassembly, the top fixedly connected with flaw detection host of bottom plate, the front side and rear side of bottom plate bottom are all fixedly connected with gyro wheel, the both sides of bottom plate bottom are all fixedly connected with clean frame, the front side fixedly connected with detection frame of clean frame, the scrape ash subassembly includes two control shell, the bottom of control shell is fixedly connected with clean frame, the inner chamber of control shell is provided with adjusting mechanism, the both sides of adjusting mechanism bottom all are fixedly connected with reset shell and are penetrated through control shell, the both sides between reset shell inner chamber are fixedly connected with slide rod, the both sides of slide rod surface are respectively equipped with the slide sleeve and spring, the front side of slide sleeve is penetrated through reset shell and is fixedly connected with the scraping piece, the blow ash subassembly includes two electric cylinders, the bottom of electric cylinder is fixedly connected with clean frame, the front side fixedly connected with the toothed frame of electric cylinder output, the both sides of clean frame top are all provided with the spray pipe, the bottom of spray pipe is penetrated to the inner chamber of clean frame, the surface fixedly connected with the gear of spray pipe, the top of spray pipe is communicated with the hose through the swivel joint.

[0008] The utility model further sets up, adjusting mechanism includes motor, one side of motor is fixedly connected with control shell, and the output of two motor opposite sides all are penetrated through control shell and are fixedly connected with screw rod, and the both sides of screw rod surface are all fixedly connected with the thread sleeve, and the bottom of thread sleeve is penetrated through clean frame and is fixedly connected with reset shell, and motor can control screw rod and rotate, and screw rod can cooperate with thread sleeve and adjust the use position of two reset shells.

[0009] The utility model further sets up, and the thread of screw rod both sides is opposite, and the both sides of clean frame top are all seted up with the adjusting opening of cooperation use with thread sleeve, and the screw rod of opposite thread can cooperate with thread sleeve and drive two reset shells to move to opposite side or opposite side simultaneously, and adjusting opening can conveniently move thread sleeve.

[0010] The utility model further sets up, and the bottom of spray pipe is movably connected with the mounting plate, and the inner wall of clean frame is fixedly connected with the opposite side of two mounting plates, and the mounting plate can increase the stability when spray pipe rotates, prevents its and iron rail from colliding when rotating and spraying.

[0011] The utility model further sets up, and the front side fixedly connected with air pump of bottom plate top, and the air outlet of air pump one end communicates with the hose, and air pump can send outside air to the hose and spray pipe, and compressed air is sprayed out using spray pipe, and the dust on the surface of iron rail is blown off.

[0012] The utility model further sets up, the top fixed connection of bottom plate has the traction hook, the front side of reset shell has set up with the reset opening of sliding sleeve cooperation uses, traction hook can conveniently overhaul vehicle is on the track and pulls the bottom plate and moves, reset opening can conveniently sliding sleeve control the use position of scraper.

[0013] The utility model further sets up, the surface of spray pipe and cleaning frame are through bearing swing joint, both gear opposite sides all are engaged with toothed frame, bearing can increase the stability when spray pipe rotates, the gear that is engaged with toothed frame can control the jet orientation of spray pipe when toothed frame removes.

[0014] The utility model further sets up, both sides of detection frame and cleaning frame are fixedly connected through connecting frame, the inner wall of detection frame is fixedly connected with a plurality of probes, connecting frame can increase the stability of detection frame installation fixation, and the probe can carry out flaw detection work to the track.

[0015] The utility model has the following beneficial effects.

[0016] 1, the utility model discloses a scrape ash subassembly can scrape the dust and impurity that adheres on the surface of track, uses adjusting mechanism control two reset shell and the use position of scraper, makes the scraper and the surface contact of track, and the slide rod in reset shell, sliding sleeve and spring control scraper always keep the surface of track and adhere, guarantee its in the process of moving flaw detection can clean the surface of track, prevent the impurity dirt and affect flaw detection effect, improve flaw detection accuracy.

[0017] 2, the utility model discloses a blow ash subassembly can carry out blow ash processing to the surface of track after scraping ash processing, blow the dust and impurity that is scraped off the surface of track, and simultaneously use electric cylinder control toothed frame and move back and forth, and toothed frame and gear cooperation make spray pipe swing constantly, increase its blowing range, improve blow ash effect, prevent part of impurity and dust after being scraped off still stay on the surface of track, further increase flaw detection effect. ACCURACY

[0018] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be to the embodiment description needed to use the drawing do simple introduction.

[0019] Fig. 1 It is a kind of railway rail flaw detection device's perspective view;

[0020] Fig. 2 It is a kind of railway rail flaw detection device's side view;

[0021] Fig. 3 It is a kind of railway rail flaw detection device in cleaning frame and detection frame schematic diagram;

[0022] Fig. 4It is a schematic view of a soot blowing assembly in a railway rail flaw detection device;

[0023] Fig. 5 It is a sectional view of a control shell and a cleaning frame in a railway rail flaw detection device;

[0024] Fig. 6 It is a sectional view of a reset shell in a railway rail flaw detection device.

[0025] In the drawings: 1, bottom plate; 2, flaw detection host; 3, roller; 4, cleaning frame; 5, detection frame; 6, soot scraping assembly; 61, control shell; 62, adjusting mechanism; 63, reset shell; 64, sliding rod; 65, sliding sleeve; 66, spring; 67, scraping piece; 7, soot blowing assembly; 71, electric cylinder; 72, gear frame; 73, spray pipe; 74, gear; 75, hose; 621, motor; 622, screw rod; 623, threaded sleeve; 8, air pump. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. The described embodiments are only some of the embodiments of the present application, not all.

[0027] Embodiment one

[0028] Please refer to Figs. 1-6 The utility model discloses a railway rail flaw detection device, including bottom plate 1, soot scraping assembly 6 and soot blowing assembly 7, the top fixed connection of bottom plate 1 has flaw detection host 2, the front side and rear side of bottom plate 1 bottom are all fixedly connected with roller 3, and the both sides of bottom plate 1 bottom are all fixedly connected with cleaning frame 4, and the front side of cleaning frame 4 is fixedly connected with detection frame 5, and soot scraping assembly 6 includes two control shells 61, and the bottom of control shell 61 is fixedly connected with cleaning frame 4, and the inner chamber of control shell 61 is provided with adjusting mechanism 62, and the both sides of adjusting mechanism 62 bottom are all through control shell 61 and are fixedly connected with reset shell 63, and the both sides between reset shell 63 inner chamber are fixedly connected with sliding rod 64, and the both sides of sliding rod 64 surface are respectively set with sliding sleeve 65 and spring 66, and the front side of sliding sleeve 65 is through reset shell 63 and is fixedly connected with scraping piece 67, and soot blowing assembly 7 includes two electric cylinders 71, and the bottom of electric cylinder 71 is fixedly connected with cleaning frame 4, and the front side of electric cylinder 71 output is fixedly connected with gear frame 72, and the both sides of cleaning frame 4 top are provided with spray pipe 73, and the bottom of spray pipe 73 is through to the inner chamber of cleaning frame 4, and the surface of spray pipe 73 is fixedly connected with gear 74, and the top of spray pipe 73 is communicated with hose 75 through swivel joint.

[0029] Specifically: the roller 3 can facilitate the smooth movement of the bottom plate 1 above the rail, the detection frame 5 can detect the rail through the probe installed inside, the reset shell 63 can facilitate the installation and fixation of the sliding rod 64, the sliding rod 64 and the sliding sleeve 65 can cooperate with the spring 66 to control the use of the scraper 67 and the surface of the rail, the scraper 67 can clean the surface of the rail and remove the dust and impurities attached to the surface, the electric cylinder 71 can control the toothed frame 72 to move forward and backward, the gear 74 can cooperate with the toothed frame 72 to control the rotation of the nozzle 73, change the jet angle and improve the jet range, the nozzle 73 can cooperate with the hose 75 to spray compressed air to the rail, so that the dust and impurities attached to the surface are blown off, and the detection effect is improved.

[0030] Example two

[0031] Please refer to Figs. 1-6 On the basis of example one, the adjusting mechanism 62 includes a motor 621, one side of the motor 621 is fixedly connected with the control shell 61, the output ends of the two opposite sides of the motor 621 are both threaded through the control shell 61 and fixedly connected with a screw rod 622, the surfaces of the two sides of the screw rod 622 are both threaded with a threaded sleeve 623, the bottom of the threaded sleeve 623 is threaded through the cleaning frame 4 and fixedly connected with the reset shell 63, the threads on the two sides of the screw rod 622 are opposite, the two sides of the top of the cleaning frame 4 are both provided with adjusting openings matched with the threaded sleeve 623, the bottom of the nozzle 73 is movably connected with a mounting plate, the opposite sides of the two mounting plates are both fixedly connected with the inner wall of the cleaning frame 4, the front side of the top of the bottom plate 1 is fixedly connected with an air pump 8, the air outlet of one end of the air pump 8 is in communication with the hose 75, the top of the bottom plate 1 is fixedly connected with a traction hook, the front side of the reset shell 63 is provided with a reset opening matched with the sliding sleeve 65, the surface of the nozzle 73 is movably connected with the cleaning frame 4 through a bearing, the opposite sides of the two gears 74 are both engaged with the toothed frame 72, the two sides of the detection frame 5 are both fixedly connected with the cleaning frame 4 through a connecting frame, and the inner wall of the detection frame 5 is fixedly connected with a probe.

[0032] Specifically: the motor 621 can control the screw rod 622 to rotate, the screw rod 622 can cooperate with the threaded sleeve 623 to adjust the use position of the two reset shells 63, the screw rod 622 with opposite threads can cooperate with the threaded sleeve 623 to drive the two reset shells 63 to move to the opposite side or the opposite side at the same time, the adjusting opening can facilitate the movement of the threaded sleeve 623, the mounting plate can increase the stability of the nozzle 73 when rotating, prevent it from colliding with the rail when rotating, the air pump 8 can deliver external air to the hose 75 and the nozzle 73, and the compressed air is sprayed out through the nozzle 73, so that the dust on the surface of the rail is blown off, the traction hook can facilitate the traction of the maintenance vehicle on the rail to move the bottom plate 1, the reset opening can facilitate the slide sleeve 65 to control the use position of the scraper 67, and the bearing can increase the stability of the nozzle 73 when rotating. The gear 74 engaged with the gear frame 72 can control the jet direction of the nozzle 73 when the gear frame 72 moves, the connecting frame can increase the stability of the detection frame 5 installation, and the probe can detect the rail.

[0033] The working principle of the utility model is: through the traction hook, the bottom plate 1 is pulled, moves at a constant speed above the rail, and the probe in the detection frame 5 detects the rail in the moving process, and at the same time, the motor 621 is started, the motor 621 cooperates with the screw rod 622 to drive the threaded sleeve 623 and the reset shell 63 to move, the reset shell 63 moves to control the scraper 67 to be attached to the surface of the rail, and the scraper 67 cleans the surface of the rail, and in the cleaning process, the spring 66 always extrudes the slide sleeve 65, so that the scraper 67 is always in contact with the surface of the rail. After the dust and impurities on the surface of the rail are scraped off by the scraper 67, the electric cylinder 71 is started, the electric cylinder 71 controls the gear frame 72 to move forward and backward, the gear frame 72 moves to make the gear 74 and the nozzle 73 rotate, the gear 74 controls the nozzle 73 to swing continuously, increases the jet range, the air pump 8 cooperates with the hose 75 to deliver compressed air to the nozzle 73, the nozzle 73 sprays compressed air to the rail, blows off the dust and impurities attached to the surface of the rail, improves the cleaning effect of the rail, and avoids that the impurities and dust affect the detection effect of the rail.

[0034] The preferred embodiments of the utility model disclosed above are only used to help describe the utility model, the preferred embodiments do not describe all the details, and the utility model is not limited to the specific implementation mode, and the embodiments are selected and described in the specification, which is to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model.

Claims

1. A railway rail defect detector comprising a base plate (1), a soot scraping assembly (6) and a soot blowing assembly (7), characterized in that: The top of the bottom plate (1) is fixedly connected with a flaw detection host (2), the front side and the rear side of the bottom of the bottom plate (1) are fixedly connected with a roller (3), the two sides of the bottom of the bottom plate (1) are fixedly connected with a cleaning frame (4), and the front side of the cleaning frame (4) is fixedly connected with a detection frame (5). The ash scraping assembly (6) comprises two control shells (61), the bottom of the control shell (61) is fixedly connected with the cleaning frame (4), the inner cavity of the control shell (61) is provided with an adjusting mechanism (62), the two sides of the bottom of the adjusting mechanism (62) penetrate through the control shell (61) and are fixedly connected with a reset shell (63), the two sides of the inner cavity of the reset shell (63) are fixedly connected with a sliding rod (64), the two sides of the surface of the sliding rod (64) are respectively sleeved with a sliding sleeve (65) and a spring (66), the front side of the sliding sleeve (65) penetrates through the reset shell (63) and is fixedly connected with a scraping piece (67). The ash blowing assembly (7) comprises two electric cylinders (71), the bottom of the electric cylinder (71) is fixedly connected with the cleaning frame (4), the front side of the output end of the electric cylinder (71) is fixedly connected with a gear frame (72), the two sides of the top of the cleaning frame (4) are provided with a spray pipe (73), the bottom of the spray pipe (73) penetrates into the inner cavity of the cleaning frame (4), the surface of the spray pipe (73) is fixedly connected with a gear (74), and the top of the spray pipe (73) is communicated with a hose (75) through a rotary joint.

2. A rail flaw detection device according to claim 1, characterized in that: The adjusting mechanism (62) comprises a motor (621), one side of the motor (621) is fixedly connected with the control shell (61), the output ends of the two motors (621) opposite to each other penetrate through the control shell (61) and are fixedly connected with a screw rod (622), the two sides of the surface of the screw rod (622) are threadedly connected with a threaded sleeve (623), and the bottom of the threaded sleeve (623) penetrates through the cleaning frame (4) and is fixedly connected with the reset shell (63).

3. A rail flaw detection apparatus according to claim 2, wherein: The threads on the two sides of the screw rod (622) are opposite, and the top of the cleaning frame (4) is provided with adjusting openings matched with the threaded sleeves (623) on the two sides.

4. A rail flaw detection device according to claim 1, characterized in that: The bottom of the spray pipe (73) is movably connected with a mounting plate, and the opposite sides of the two mounting plates are fixedly connected with the inner wall of the cleaning frame (4).

5. A rail flaw detection device according to claim 1, wherein: The front side of the top of the bottom plate (1) is fixedly connected with an air pump (8), and one end of the air pump (8) is communicated with the hose (75) through an air outlet.

6. A rail flaw detection device according to claim 1, wherein: The top of the bottom plate (1) is fixedly connected with a traction hook, and the front side of the reset shell (63) is provided with a reset opening matched with the sliding sleeve (65).

7. A rail flaw detection device according to claim 1, wherein: The surface of the spray pipe (73) is movably connected with the cleaning frame (4) through a bearing, and the opposite sides of the two gears (74) are engaged with the gear frame (72).

8. A rail flaw detection device according to claim 1, wherein: The two sides of the detection frame (5) are fixedly connected with the cleaning frame (4) through a connecting frame, and the inner wall of the detection frame (5) is fixedly connected with a probe.

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