CN108593874B - Probe flaw detection control device for detecting rail head of steel rail - Google Patents
Probe flaw detection control device for detecting rail head of steel rail Download PDFInfo
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- CN108593874B CN108593874B CN201810174133.9A CN201810174133A CN108593874B CN 108593874 B CN108593874 B CN 108593874B CN 201810174133 A CN201810174133 A CN 201810174133A CN 108593874 B CN108593874 B CN 108593874B
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Abstract
The invention relates to the technical field of steel rail flaw detection, and discloses a probe flaw detection control device for detecting a steel rail head, which comprises the following components: the first side plate is arranged on the frame and is rotationally connected with the second side plate, the second side plate is fixedly connected with a first mounting plate with a first vertical kidney-shaped hole, the first mounting plate is fixedly connected with a wheel seat, the wheel seat is connected with a guide wheel of the rail head, and the wheel seat can adjust the mounting height within the range of the first vertical kidney-shaped hole; the second side plate is connected with the first side plate through a tension spring, the first side plate is provided with an arc groove, the second side plate is fixedly connected with a limit column, one end of the limit column extends into the arc groove and can move in the arc groove, and the lowest end and the highest end of the arc groove are the limit positions of the rotation of the second side plate; the side plate II is fixedly connected with at least one group of support arm structures, each group comprises two support arms, a probe box is arranged between the support arms, guide grooves are formed in the opposite sides of the two support arms, universal balls and pressure springs are arranged in the guide grooves, the universal balls are fixedly connected with a connecting shaft, and the connecting shaft is fixedly connected with the probe box. Can adapt to the height of the steel rail, the planeness of the tread rail head side flatness and rail head width and thickness variations.
Description
Technical Field
The invention relates to the technical field of rail flaw detection, in particular to a probe flaw detection control device for detecting a steel rail head.
Background
At present, flaw detection needs to be carried out on two sides of a rail head of a steel rail in the production process of the steel rail, a control device of a probe often comprises a rail head guide wheel, the rail head guide wheel is contacted with a rail head tread of the steel rail, so that the guiding of the flaw detection process of the probe is realized, the installation height of the existing rail head guide wheel in the control device is fixed, the defect detection of the steel rail with the fixed height is caused, the adaptability is poor, meanwhile, the rail head guide wheel and the rail head tread cannot form follow-up, due to certain errors of mechanical factors and the flatness of the rail head tread, the rail head tread can have fine uneven conditions, the rail head guide wheel cannot follow-up, therefore, the condition that the rail head guide wheel is not contacted with the rail head tread (namely the tread is lowered) is caused, the condition that effective guiding cannot be formed is caused, and the condition that the rail head guide wheel and the rail head tread are excessively contacted (namely the tread becomes high) is caused, the defect detection of the steel rail is blocked and is not smooth, and the effective and smooth flaw detection process is influenced is caused;
meanwhile, the probe installed in the control device is also fixed in the detection process, during detection, the probe is abutted against the side face of the rail head of the steel rail to be detected and is coupled with the rail head of the steel rail through water, and flaw detection of the side face of the rail head of the whole section of steel rail is completed through the flow of the steel rail on a production line.
In addition, the mounting position of the probe in the control device is fixed, so that the flaw detection can only be carried out on the rail head with fixed width and thickness, and the adaptability is poor.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: aiming at the problems, the probe flaw detection control device for detecting the rail head of the steel rail is provided, the rail head guide wheel can adapt to the height change of the steel rail and automatically adapt to the flatness change of the tread of the rail head, and the probe can automatically adapt to the flatness change of the side face of the rail head and the width and thickness change of the rail head.
The technical scheme adopted by the invention is as follows: the probe flaw detection control device for detecting the rail head of the steel rail is arranged on a frame of a flaw detection device and comprises a side plate I, a side plate II, a rail head guide wheel and a wheel seat, wherein the side plate I is arranged on the frame, the side plate I is rotationally connected with the side plate II, the side plate II is fixedly connected with a mounting plate I, the mounting plate I is provided with a vertical kidney-shaped hole I, the wheel seat passes through the vertical kidney-shaped hole I through a bolt to be fixedly connected with the mounting plate I, the rail head guide wheel is rotationally arranged on the wheel seat, and the wheel seat can adjust the mounting height of the rail head guide wheel on the mounting plate I within the length range of the vertical kidney-shaped hole I;
a tension spring is connected between the side plate II and the side plate I, the side plate I is provided with an arc groove, the side plate II is fixedly connected with a limit column, one end of the limit column extends into the arc groove, when the side plate rotates relative to the side plate I, one end of the limit column can move in the range of the arc groove, the lowest end and the highest end of the arc groove are two limit positions of the side plate rotating relative to the side plate I, and the tension springs are in a stretching state in the process of moving the limit column from the lowest end to the highest end;
the side plate II is fixedly connected with at least one group of support arm structures, each group of support arm structures comprises two parallel support arms, a probe box is arranged between the front ends of each group of support arms, guide grooves are formed in the opposite sides of the front ends of the two support arms along the length direction of the front ends of the support arms, universal balls and pressure springs are arranged in the guide grooves, the front ends of the pressure springs abut against the universal balls, the rear ends of the pressure springs abut against the rear ends of the guide grooves, the universal balls can move along the length direction of the guide grooves and can rotate relative to the guide grooves, the universal balls are fixedly connected with connecting shafts, and the other ends of the connecting shafts are fixedly connected with the probe boxes.
The probe flaw detection control device for detecting the rail head of the steel rail is characterized in that a side plate III is fixedly connected with a side plate II, the side plate III is provided with a horizontal kidney-shaped hole I, the side plate III passes through the horizontal kidney-shaped hole I through a bolt to be fixedly connected with the side plate II, the side plate III is fixedly connected with a mounting plate II, the mounting plate II is used for fixedly mounting the support arm structure, and the horizontal mounting position of the side plate III on the side plate II can be adjusted within the length range of the horizontal kidney-shaped hole I.
According to the probe flaw detection control device for detecting the rail head of the steel rail, the second mounting plate is fixedly connected with the bases, the number of the bases is the same as that of the groups of the support arms, each base is used for mounting a group of support arm structures, the base is provided with the second vertical kidney-shaped holes, the base passes through the second vertical kidney-shaped holes through bolts to be fixedly connected with the second mounting plate, and the base can adjust the mounting height of the base on the second mounting plate within the length range of the second vertical kidney-shaped holes.
According to the probe flaw detection control device for detecting the rail head of the steel rail, the guide block is arranged at the rear end of the base, the second mounting plate is provided with the vertical guide groove corresponding to the guide block, and the guide block is positioned in the vertical guide groove and is matched with the vertical guide groove to stably guide the vertical adjustment process of the base relative to the second mounting plate.
The probe flaw detection control device for detecting the rail head of the steel rail is characterized in that a horizontal plate is fixedly connected to the lower end of a side plate, a rail bottom guide wheel is rotatably arranged on the horizontal plate and used for being in contact with the side end of the rail bottom for guiding, the side plate I is provided with a horizontal kidney-shaped hole II, the horizontal plate passes through the horizontal kidney-shaped hole II through a bolt to be fixedly connected with the side plate I, and the horizontal plate can be adjusted in the horizontal installation position on the side plate I within the length range of the horizontal kidney-shaped hole II.
The upper end of the support arm is fixedly provided with a baffle corresponding to the position of the probe box, a gap is reserved between the lower end face of the baffle and the upper end face of the probe box, and the baffle is used for limiting the rotation range of the probe box relative to the support arm through a universal ball.
The invention discloses a probe flaw detection control device for detecting a rail head of a steel rail, wherein a side plate I is arranged on a frame through a power structure, the power structure comprises a power air bag, a driving rod and a rotating vertical rod, the middle part of the rotating vertical rod is rotationally connected with the frame, the top of the rotating vertical rod is fixedly connected with the side plate I, the power air bag is fixedly connected with the frame, one end of the driving rod is connected with the power air bag, the other end of the driving rod is hinged with the lower end of the rotating vertical rod, and the power air bag can drive the rotating vertical rod to rotate relative to the frame so as to drive the side plate I to rotate.
The invention relates to a probe flaw detection control device for detecting a steel rail head, wherein a connecting pipe is arranged at the upper end of a rotating vertical rod through a connecting seat, a vertical kidney-shaped hole III is arranged at the upper end of the rotating vertical rod, the connecting seat passes through the vertical kidney-shaped hole III to be fixedly connected with the rotating vertical rod through a bolt, the mounting height of the connecting seat on the rotating vertical rod can be adjusted within the range of the length of the vertical kidney-shaped hole III, and the end part of the connecting pipe is fixedly connected with the side plate I.
The connecting pipe is provided with a horizontal kidney-shaped hole III, the connecting pipe passes through the horizontal kidney-shaped hole III through a bolt to be fixedly connected with the connecting seat, the connecting seat can adjust the fixed connection position of the connecting seat in the length direction of the connecting pipe within the length range of the horizontal kidney-shaped hole III, when the probe is in a flaw detection position relative to a steel rail, the connection end of the connecting pipe and the side plate I is close to the steel rail, and the connection end of the connecting pipe and the connecting seat is far away from the steel rail.
Compared with the prior art, the beneficial effects of adopting the technical scheme are as follows: the invention can conveniently and rapidly realize the adjustment of the mounting height of the guide wheel of the rail head so as to adapt to the change of the height of the steel rail; in the flaw detection process, the guide wheel of the rail head can automatically adapt to follow-up according to the flatness change of the tread of the rail head, the phenomenon of clamping is avoided, effective flaw detection guiding is formed, the probe can automatically adapt to the flatness change of the side face of the rail head, the probe is ensured to be coupled with the side face of the rail head completely all the time, and the service life of the wear-resisting block of the probe is prolonged; the mounting height and the horizontal position of the probe can be conveniently and quickly adjusted to adapt to the change of the width and the thickness of the rail head of the steel rail; the rail bottom guide wheel further provides flaw detection guiding function, and the rail bottom guide wheel can adjust to the change of the rail bottom width; the power structure can conveniently and rapidly control the probe to rotate to a proper flaw detection position on the side face of the rail head of the steel rail, and after flaw detection is completed, the probe can be conveniently and rapidly controlled to reset.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a schematic view of a first mounting plate of the present invention;
FIG. 4 is a schematic view of another angle configuration of the present invention;
FIG. 5 is a schematic view of the installation of the first side plate, the second side plate, the third side plate, the first mounting plate, the second mounting plate, the base and the horizontal plate;
FIG. 6 is an exploded view of the mounting of the arm structure and probe cassette of the present invention;
FIG. 7 is a schematic view of the mounting of the arm and base of the present invention;
FIG. 8 is a schematic view of a connecting pipe according to the present invention;
fig. 9 is a schematic structural view of a connection base in the present invention.
Reference numerals: 1 is a side plate I, 2 is a side plate II, 3 is a rail head guide wheel, 4 is a wheel seat, 5 is a frame, 6 is a mounting plate I, 7 is a vertical waist-shaped hole I, 8 is a tension spring, 9 is an arc groove, 10 is a limit post, 11 is a support arm, 12 is a probe box, 13 is a guide groove, 14 is a universal ball, 15 is a compression spring, 16 is a connecting shaft, 17 is a side plate III, 18 is a horizontal waist-shaped hole I, 19 is a mounting plate II, 20 is a base, 21 is a vertical waist-shaped hole II, 22 is a guide block, 23 is a vertical guide groove, 24 is a horizontal plate, 25 is a rail bottom guide wheel, 26 is a horizontal kidney-shaped hole II, 27 is a baffle, 28 is a power air bag, 29 is a driving rod, 30 is a rotating vertical rod, 31 is a connecting seat, 32 is a connecting pipe, 33 is a vertical kidney-shaped hole III, 34 is a horizontal kidney-shaped hole III, 35 is a fixed pin, 36 is a blind hole, 37 is a sealing plate, 38 is a vertical clamping part, 39 is a horizontal clamping part, 40 is a vertical guide hole, 41 is a horizontal guide hole, 42 is a reinforcing plate, and 43 is a connecting block.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1 to 6, a probe flaw detection control device for detecting a rail head of a steel rail is arranged on a frame 5 of a flaw detection device, the frame 5 is fixedly arranged on a foundation and comprises a side plate 1, a side plate 2, a rail head guide wheel 3 and a wheel seat 4, the side plate 1 is arranged on the frame 5, the side plate 1 is rotationally connected with the side plate 2, the side plate 2 is always parallel to the side plate 1 and is a vertical plate, the side plate 2 is fixedly connected with a vertical mounting plate 1, the mounting plate 6 is vertical to the side plate 2, the mounting plate 6 is provided with two parallel vertical kidney holes 7, the wheel seat 4 passes through the two vertical kidney holes 7 through the fixing plate 6 through bolts, the rail head guide wheel 3 is rotationally arranged on the wheel seat 4, the mounting height of the rail head guide wheel 3 on the mounting plate 6 can be adjusted within the length range of the vertical kidney holes 7, and the rail head guide wheel 3 is contacted and rolled and guided in the rail head tread during flaw detection, and the mounting height of the rail head guide wheel 3 can be adaptively adjusted according to the actual height of the steel rail, and the adaptability is improved;
a tension spring 8 is connected between the side plate two 2 and the side plate one 1, fixing pins 35 are arranged at the upper ends of the side plate two 2 and the side plate one 1, two ends of the tension spring 8 are respectively hooked in through holes on the two fixing pins 35, the tension spring 8 is convenient to assemble and disassemble, the side plate one 1 is provided with an arc groove 9, a limit post 10 is fixedly connected to the position, corresponding to the arc groove 9, on the side plate two 2, one end of the limit post 10 extends into the arc groove 9, when the side plate two 2 rotates relative to the side plate one 1, one end of the limit post 10 can move in the range of the arc groove 9, the lowest end and the highest end of the arc groove 9 are two limit positions, at which the side plate two 2 rotates relative to the side plate one 1, in the process that the limit post 10 moves from the lowest end to the highest end, the tension spring 8 is in a stretching state, and the rail head guide wheel 3 can automatically adapt to the change of the flatness of the rail head tread, so that the rail head guide wheel 3 can follow up with the rail head tread, and the rail head tread 3 can be prevented from contacting the tread or blocking;
the side plate II 2 is fixedly connected with at least one group of support arm structures, two groups of support arm structures are specifically arranged, each group of support arm structures comprises two parallel support arms 11, a probe box 12 is arranged between the front ends of each group of support arms 11, the probe box 12 is used for installing a flaw detection probe, during normal flaw detection, the support arms 11 are perpendicular to steel rails, guide grooves 13 are formed in the opposite sides of the front ends of the two support arms 11 along the length direction of the guide grooves, universal balls 14 and pressure springs 15 are arranged in the guide grooves 13 in an adaptive manner, the pressure springs 15 are always in a compressed state in the guide grooves 13, the front ends of the pressure springs 15 are propped against the universal balls 14, the rear ends of the pressure springs 15 are propped against the rear ends of the guide grooves 13, blind holes 36 are formed in the rear ends of the guide grooves 13, the rear ends of the pressure springs 15 are positioned in the blind holes 36, the universal balls 14 can move along the length direction of the guide grooves 13 and can rotate relative to the guide grooves 13, sealing plates 37 are arranged on the front end surfaces of the support arms 11, the sealing plate 37 seals the front end of the guide groove 13, the universal ball 14 is prevented from being ejected out of the guide groove 13 by the pressure spring 15, the universal ball 14 is fixedly connected with the connecting shaft 16, the other end of the connecting shaft 16 is fixedly connected with the probe box 12, the pressure spring 15 always pushes the universal ball 14 forwards, the universal ball 14 always pushes the probe box 12 forwards through the connecting shaft 16, the probe in the probe box 12 is always well coupled with the side face of the rail head, the situation that the gap is overlarge is avoided, meanwhile, when the flatness of the side face of the rail head changes and the probe box 12 is pressed backwards, the backward extrusion force can be transmitted to the pressure spring 15 through the connecting shaft 16 and the universal ball 14, the extrusion force is absorbed, the situation that the probe wear block and the side face of the rail head are propped against each other is avoided, the probe wear block is effectively prevented from being excessively fast, the probe box 12 can rotate relative to the side face of the rail head through the universal ball 14, and the situation change of the side face of the rail head is better adapted; further, the method comprises the steps of, the upper end of the support arm 11 is fixedly provided with a baffle plate 27 corresponding to the position of the probe box 12, a part of the baffle plate 27 is positioned right above the upper end face of the probe box 12, when the upper end face of the probe box 12 is in a horizontal state, a gap is reserved between the lower end face of the baffle plate 27 and the upper end face of the probe box 12, and the baffle plate 27 is used for limiting the rotation range of the probe box 12 relative to the support arm 11 through the universal ball 14 and preventing the probe box 12 from rotating excessively.
Example 2
As shown in fig. 1, 4, 5 and 7, based on embodiment 1, the side plate 2 is fixedly connected with the side plate three 17, the side plate three 17 is parallel to the side plate 2, the side plate two 2 is provided with two parallel horizontal kidney-shaped holes 18, each group comprises two parallel horizontal kidney-shaped holes 18, the side plate three 17 passes through the horizontal kidney-shaped holes 18 to be fixedly connected with the side plate 2 through bolts, the side plate three 17 is fixedly connected with a vertical mounting plate two 19, the mounting plate two 19 is perpendicular to the side plate three 17, the mounting plate two 19 is parallel to the mounting plate one 6, the mounting plate two 19 is used for fixing a mounting arm structure, the side plate three 17 can adjust the horizontal mounting position of the side plate three 17 on the side plate two 2 within the length range of the horizontal kidney-shaped holes 18, and in this way, the horizontal mounting position of the side plate three 17 on the side plate two 2 can be specifically adjusted forwards or backwards according to the actual width of rail heads of different rails so as to realize front and back adaptation adjustment of probes to meet the flaw detection requirements of rail heads with different widths.
The second mounting plate 19 is fixedly connected with bases 20, the number of the bases 20 is the same as the number of the groups of the support arms 11, two supports are specifically used for mounting a group of support arm structures, each base 20 is provided with two parallel vertical kidney-shaped holes 21, the bases 20 pass through the two vertical kidney-shaped holes 21 through bolts to be fixedly connected with the second mounting plate 19, the mounting height of the bases 20 on the second mounting plate 19 can be adjusted within the length range of the two vertical kidney-shaped holes 21, and the mounting height of the bases 20 on the second mounting plate 19 can be specifically adjusted upwards or downwards according to the actual thickness of rail heads of different steel rails so as to realize the up-down adaptive adjustment of the probes to meet the flaw detection requirements of rail heads with different thicknesses; meanwhile, the rear end of the base 20 is provided with a guide block 22, a vertical guide groove 23 is formed in the second mounting plate 19 corresponding to the guide block 22, the guide block 22 is located in the vertical guide groove 23 and is adaptive to the vertical guide groove, the vertical adjustment process of the base 20 relative to the second mounting plate 19 is stably guided, and the accurate and stable vertical adjustment process is ensured.
Implementation of the embodiments example 3
As shown in fig. 1, 4 and 5, on the basis of embodiment 2, the lower end of the first side plate 1 is fixedly connected with a horizontal plate 24, a rail bottom guide wheel 25 is rotatably installed on the horizontal plate 24, the rail bottom guide wheel 25 is used for contacting and guiding with the side end of the rail bottom, the first side plate 1 is provided with two horizontal kidney-shaped holes second 26, the two horizontal kidney-shaped holes second 26 are formed in tandem, the horizontal plate 24 passes through the horizontal kidney-shaped holes second 26 through bolts to realize the fixed connection with the first side plate 1, and the horizontal plate 24 can adjust the horizontal installation position of the horizontal plate on the first side plate 1 within the length range of the horizontal kidney-shaped holes second 26.
Implementation of the embodiments example 4
As shown in fig. 1, 4, 8 and 9, on the basis of embodiment 3, a side plate 1 is installed on a frame 5 through a power structure, the power structure comprises a power air bag 28, a driving rod 29 and a rotating vertical rod 30, the middle part of the rotating vertical rod 30 is rotationally connected with the frame 5 through a bearing, the top of the rotating vertical rod 30 is fixedly connected with the side plate 1, the power air bag 28 is fixedly connected with the frame 5, one end of the driving rod 29 is connected with the power air bag 28, the other end of the driving rod 29 is hinged with the lower end of the rotating vertical rod 30, specifically, the lower end of the rotating vertical rod 30 is fixedly provided with a connecting block 43, the other end of the driving rod 29 is hinged with the connecting block 43, so that the other end of the driving rod 29 can be more conveniently hinged with the lower end of the rotating vertical rod 30, the driving rod 30 can be driven by the driving rod 29 and the connecting block 43 to rotate relative to the frame 5, and further drive the side plate 1 to rotate, so that the power air bag 28 can conveniently and rapidly drive a probe box 12 to realize the actions of opening and closing relative to a steel rail, when the power air bag 28 drives the probe box 12 to close, the probe in the probe box 12 can just rotate to a proper position on the side of the steel rail, specifically, the probe box 12 is conveniently controlled to open and rapidly leave the power box 12 after the probe box 12 after the completion.
Meanwhile, the upper end of the rotating vertical rod 30 is provided with a connecting pipe 32 through a connecting seat 31, the connecting seat 31 is provided with two vertical clamping parts 38 and two horizontal clamping parts 39, a vertical guide hole 40 is formed between the two vertical clamping parts 38, a horizontal guide hole 41 is formed between the two horizontal clamping parts 39, the upper end of the rotating vertical rod 30 passes through the vertical guide hole 40, the connecting pipe 32 passes through the horizontal guide hole 41, the upper end of the rotating vertical rod 30 is provided with a vertical waist-shaped hole III 33, the connecting seat 31 passes through the vertical waist-shaped hole III 33 and the vertical guide hole 40 through bolts to realize clamping and fixing with the rotating vertical rod 30, the two vertical clamping parts 38 are screwed to realize clamping and fixing of the rotating vertical rod 30, the connecting seat 31 can adjust the mounting height of the connecting seat on the rotating vertical rod 30 within the length range of the vertical waist-shaped hole III, and the setting can enable the integral structure formed by the rail head guide wheel 3, the rail bottom guide wheel 25, the probe and other components connected with the side plate I1 to be adjustable relative to the vertical mounting position of the steel rail, the method is further suitable for the flaw detection of steel rails with different heights on the whole, the end part of the connecting pipe 32 is fixedly connected with the side plate I1, a reinforcing plate 42 is fixedly arranged between the connecting pipe 32 and the side plate I1, specifically, the connecting pipe 32 is provided with a horizontal kidney-shaped hole III 34, the horizontal kidney-shaped hole III 34 extends along the length direction of the connecting pipe 32, the connecting pipe 32 passes through the horizontal kidney-shaped hole III 34 and the horizontal guide hole 41 through bolts to realize clamping fixation with the connecting seat 31, the two horizontal clamping parts 39 are tightly screwed to realize clamping of the connecting pipe 32, the connecting seat 31 can adjust the fixed connection position of the connecting seat 31 in the length direction of the connecting pipe 32 within the length range of the horizontal kidney-shaped hole III 34, when a probe is positioned at the flaw detection position relative to the steel rail, the connection end of the connecting pipe 32 and the side plate I1 is close to the steel rail, the connection end of the connecting pipe 32 and the connecting seat 31 is far away from the steel rail, at this time, the connecting pipe 32 forms a horizontal inclined pipe relative to the steel rail, and the clamping position of the connecting seat 31 on the connecting pipe 32 is adjusted along the length direction of the horizontal kidney-shaped hole III 34, so that the probe in the probe box 12 can move along the horizontal direction perpendicular to the steel rail and along the length direction of the steel rail, wherein the probe can be close to or far away from the rail head of the steel rail along the horizontal direction perpendicular to the steel rail so as to adapt to the change of the width of the actual rail head, and the rail bottom guide wheel 25 can be close to or far away from the rail bottom of the steel rail so as to adapt to the change of the width of the rail bottom.
The invention is not limited to the specific embodiments described above. The invention extends to any novel one, or any novel combination, of the features disclosed in this specification, as well as to any novel one, or any novel combination, of the steps of the method or process disclosed. It is intended that insubstantial changes or modifications from the invention as described herein be covered by the claims below, as viewed by a person skilled in the art, without departing from the true spirit of the invention.
Claims (9)
1. A probe flaw detection controlling means for steel rail head detects, controlling means installs on frame (5) of a flaw detection device, its characterized in that: the rail head guide wheel is characterized by comprising a side plate I (1), a side plate II (2), a rail head guide wheel (3) and a wheel seat (4), wherein the side plate I (1) is installed on a frame (5), the side plate I (1) is rotationally connected with the side plate II (2), the side plate II (2) is fixedly connected with a mounting plate I (6), the mounting plate I (6) is provided with a vertical kidney-shaped hole I (7), the wheel seat (4) passes through the vertical kidney-shaped hole I (7) through a bolt to be fixedly connected with the mounting plate I (6), the rail head guide wheel (3) is rotationally installed on the wheel seat (4), and the installation height of the wheel seat (4) on the mounting plate I (6) can be adjusted within the length range of the vertical kidney-shaped hole I (7);
a tension spring (8) is connected between the side plate II (2) and the side plate I (1), the side plate I (1) is provided with an arc groove (9), the side plate II (2) is fixedly connected with a limit column (10), one end of the limit column (10) extends into the arc groove (9), when the side plate II (2) rotates relative to the side plate I (1), one end of the limit column (10) can move in the range of the arc groove (9), the lowest end and the highest end of the arc groove (9) are two limit positions of the rotation of the side plate II (2) relative to the side plate I (1), and the limit column (10) moves from the lowest end to the highest end, and the tension spring (8) is in a stretching state;
the probe box is characterized in that the side plate II (2) is fixedly connected with at least one set of support arm structure, each set of support arm structure comprises two parallel support arms (11), a probe box (12) is installed between the front ends of each set of two support arms (11), guide grooves (13) are formed in the opposite sides of the front ends of the two support arms (11) along the length direction of the two support arms, universal balls (14) and pressure springs (15) are arranged in the guide grooves (13), the front ends of the pressure springs (15) abut against the universal balls (14) and the rear ends of the guide grooves (13), the universal balls (14) can move along the length direction of the guide grooves (13) and can rotate relative to the guide grooves (13), the universal balls (14) are fixedly connected with connecting shafts (16), and the other ends of the connecting shafts (16) are fixedly connected with the probe box (12).
2. The probe flaw detection control device for rail head detection according to claim 1, wherein: the side plate II (2) is fixedly connected with a side plate III (17), the side plate II (2) is provided with a horizontal kidney-shaped hole I (18), the side plate III (17) passes through the horizontal kidney-shaped hole I (18) through a bolt to be fixedly connected with the side plate II (2), the side plate III (17) is fixedly connected with a mounting plate II (19), the mounting plate II (19) is used for fixedly mounting the support arm structure, and the horizontal mounting position of the side plate III (17) on the side plate II (2) can be adjusted within the length range of the horizontal kidney-shaped hole I (18).
3. The probe flaw detection control device for rail head detection according to claim 2, wherein: the mounting plate II (19) is fixedly connected with bases (20), the number of the bases (20) is the same as the number of the groups of the support arms (11), each base (20) is used for mounting a group of support arm structures, each base (20) is provided with a vertical kidney-shaped hole II (21), the bases (20) penetrate through the vertical kidney-shaped hole II (21) through bolts to be fixedly connected with the mounting plate II (19), and the mounting height of the bases (20) on the mounting plate II (19) can be adjusted within the length range of the vertical kidney-shaped hole II (21).
4. A probe inspection control device for rail head inspection according to claim 3, characterized in that: the base (20) rear end has guide block (22), install board two (19) on correspond guide block (22) seted up perpendicular guide slot (23), guide block (22) are located in perpendicular guide slot (23) and looks adaptation, to base (20) are stabilized the direction for the vertical adjustment process of install board two (19).
5. The probe flaw detection control device for rail head detection according to claim 1, wherein: the side plate I (1) lower extreme fixedly connected with horizontal plate (24), install the rail end guide pulley (25) on the horizontal plate (24) rotation, rail end guide pulley (25) are used for contacting the direction with the side of rail end, the side plate I (1) has horizontal kidney-shaped hole II (26), horizontal plate (24) pass horizontal kidney-shaped hole II (26) realization and side plate I (1) fixed connection through the bolt, horizontal plate (24) can be at horizontal kidney-shaped hole II (26) length within range its horizontal mounted position on side plate I (1).
6. The probe flaw detection control device for rail head detection according to claim 1, wherein: the upper end of the support arm (11) is fixedly provided with a baffle plate (27) corresponding to the position of the probe box (12), a gap is reserved between the lower end face of the baffle plate (27) and the upper end face of the probe box (12), and the baffle plate (27) is used for limiting the rotation range of the probe box (12) relative to the support arm (11) through the universal ball (14).
7. The probe flaw detection control device for rail head detection according to any one of claims 1 to 6, characterized in that: the side plate I (1) is installed on the frame (5) through a power structure, the power structure comprises a power air bag (28), a driving rod (29) and a rotating vertical rod (30), the middle part of the rotating vertical rod (30) is rotationally connected with the frame (5), the top of the rotating vertical rod (30) is fixedly connected with the side plate I (1), the power air bag (28) is fixedly connected with the frame (5), one end of the driving rod (29) is connected with the power air bag (28), the other end of the driving rod is hinged with the lower end of the rotating vertical rod (30), and the power air bag (28) can drive the rotating vertical rod (30) to rotate relative to the frame (5) so as to drive the side plate I (1) to rotate.
8. The probe inspection control device for detecting a rail head of a steel rail according to claim 7, wherein: the connecting pipe (32) is installed through connecting seat (31) to the upper end of rotating montant (30), the upper end of rotating montant (30) has vertical kidney-shaped hole three (33), connecting seat (31) pass vertical kidney-shaped hole three (33) realization and rotate montant (30) fixed connection through the bolt, connecting seat (31) can be in its installation height on rotating montant (30) is adjusted to vertical kidney-shaped hole three (33) length within range, the tip of connecting pipe (32) with curb plate one (1) fixed connection.
9. The probe inspection control device for detecting a rail head of a steel rail according to claim 8, wherein: the connecting pipe (32) is provided with a horizontal kidney-shaped hole III (34), the connecting pipe (32) passes through the horizontal kidney-shaped hole III (34) through a bolt to realize fixed connection with the connecting seat (31), the connecting seat (31) can adjust the fixed connection position of the connecting seat in the length direction of the connecting pipe (32) within the length range of the horizontal kidney-shaped hole III (34), when the probe is in a flaw detection position relative to the steel rail, the connecting end of the connecting pipe (32) and the first side plate (1) is close to the steel rail, and the connecting end of the connecting pipe (32) and the connecting seat (31) is far away from the steel rail.
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| CN201810174133.9A CN108593874B (en) | 2018-03-02 | 2018-03-02 | Probe flaw detection control device for detecting rail head of steel rail |
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| CN201810174133.9A CN108593874B (en) | 2018-03-02 | 2018-03-02 | Probe flaw detection control device for detecting rail head of steel rail |
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| CN108593874B true CN108593874B (en) | 2023-10-10 |
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