CN216594918U - Hand Push Dual Track Flaw Detector - Google Patents

Abstract

The utility model discloses a hand-push double-track flaw detector, comprising a first probe part and a second probe part, an ultrasonic testing host, an eddy current testing host, a coupling fluid device, a vehicle frame and a host computer. The first probe part includes a first probe part. The eddy current probe set, the first ultrasonic base metal probe set, the first array probe set and the second ultrasonic base metal probe set, the first detection combination surface, the third detection combination surface, the second detection combination surface and the fourth detection combination surface are all Fitted on the tread surface of the first rail, the first probe part is used to detect near-surface damage, internal transverse vertical cracks and internal damage of the first rail; the first eddy current probe group is connected to the eddy current testing host in communication; the first array probe group , The first base metal probe group and the second base metal probe group are all connected to the ultrasonic testing host in communication. The hand-push double-track flaw detector provided by the utility model can effectively detect the near-surface and internal damage and internal transverse vertical cracks of the double-track.

Description

Hand Push Dual Track Flaw Detector

technical field

The utility model relates to the technical field of rail flaw detection and detection, more particularly, to a hand-push type double rail flaw detector.

Background technique

The rail flaw detection operation is the first line of defense to prevent rail breakage and ensure safety. The flaw detection and detection device is directly related to the damage detection rate and the safety of railway transportation. The double rail includes a first rail and a second rail which are oppositely arranged.

The existing rail testing equipment includes single-rail ultrasonic testing equipment, dual-track testing equipment and rail testing vehicles. The single-track ultrasonic testing equipment can only detect single-strand steel rails, and the detection efficiency is low; dual-track testing equipment: high price; heavy; use Due to time constraints, it is impossible to freely enter the railway line; it is impossible to detect the transverse section defects of the rail; the rail flaw detection vehicle: it is impossible to stop at any time to review the damage, and the damage detection rate is low. The above three types of flaw detection equipment all have cross-test blind spots, and there are the following problems: first, the single-track detection efficiency is low, and the demand for personnel is large; second, the ability to detect transverse and vertical cracks inside the rail is limited; third, it is not effective. Detect near-surface damage of rails.

Therefore, it is necessary to solve the above-mentioned technical problems.

Utility model content

In view of this, the purpose of the present utility model is to propose a hand-push type dual-rail flaw detector, which can effectively detect the near-surface and internal damage of the dual-rail, and detect the transverse vertical crack inside the dual-rail.

Based on the above purpose, the present utility model provides a hand-push double-track flaw detector, comprising a first probe part and a second probe part arranged oppositely, an ultrasonic testing host, an eddy current testing host, a coupling fluid device, a vehicle frame and a host computer, wherein : The first probe part is mounted on the frame, and includes a first eddy current probe group, a first ultrasonic base material probe group, a first array probe group and a second ultrasonic base material probe group, which are arranged in sequence. The first eddy current probe group includes a first detection surface, the first base metal probe group includes a second detection combination surface, the first array probe group includes a third detection combination surface, and the second base metal probe group includes a second detection combination surface. Four detection combination surfaces, the first detection combination surface, the third detection combination surface, the second detection combination surface and the fourth detection combination surface are all attached to the tread surface of the first rail, respectively It is used to detect near-surface damage, internal transverse vertical cracks and internal damage of the first rail; the second probe part is mounted on the frame, and has the same structure as the first probe part, and is used to detect the second probe part. Near-surface damage, internal transverse vertical cracks, and internal damage of the rail; the first eddy current probe group and the eddy current testing host are communicatively connected to the first array probe group, the first base metal probe group, and the second The base metal probe group is all connected to the ultrasonic testing host; both the ultrasonic testing host and the eddy current testing host are connected to the upper computer; the coupling fluid device is installed on the frame, and the coupling The liquid device includes coupling liquid for spraying on the tread surface of the first rail and the tread surface of the second rail.

Optionally, the first ultrasonic base metal probe group includes a No. 1 ultrasonic probe and a No. 2 ultrasonic probe, the No. 1 ultrasonic probe includes a front straight 70° wafer E and a rear straight 70° wafer F, and the No. 2 ultrasonic probe includes Back straight 37 ° wafer H and 0 ° wafer I; Described second ultrasonic parent material probe group includes No. 7 ultrasonic probe and No. 8 ultrasonic probe, and described No. 7 ultrasonic probe includes 70 ° wafer C in the front, 70 ° in the back Wafer A, the No. 8 ultrasonic probe includes a front-outer 70° wafer D and a rear-outer 70° wafer B.

Optionally, the first array probe group includes ultrasonic probe No. 3, ultrasonic probe No. 4, ultrasonic probe No. 5, and ultrasonic probe No. 6 arranged in sequence, and the ultrasonic probe No. 3 includes C1, G, C2, C3. Four elements, C1 is the transmitting channel, C2 is the receiving and transmitting channel, C3 is the receiving channel, G is the first 37° channel, the No. 4 ultrasonic probe includes two elements C4 and C5, and C4 and C5 are both receiving channels , the No. 5 ultrasonic probe includes two chips C6 and C7, and C6 and C7 are both receiving channels. The No. 6 ultrasonic probe includes two chips C8 and C9, and C8 and C9 are both receiving channels. C1 and C2 The distance between them is 30mm～44mm, the distance between C1 and C4 is 106mm～120mm, the distance between C1 and C6 is 181mm～195mm, and the distance between C1 and C8 is 256mm～270mm.

Optionally, the distance between H and G is 255mm˜265mm.

Optionally, the frame includes a first probe bracket and a second probe bracket arranged oppositely, the first eddy current probe group, the first ultrasonic base material probe group, the first array probe group, and the second ultrasonic base material probe group. The groups are arranged in sequence on the first probe holder, and the second probe part is mounted on the second probe holder.

Optionally, the frame further includes a first cleaner and a second cleaner, and the first cleaner and the second cleaner are respectively installed on both ends of the first probe bracket.

Optionally, the frame further includes a handle.

Optionally, the coupling fluid device is provided with a valve, and the valve is installed on the spouting pipeline of the coupling fluid.

Optionally, there are multiple coupling fluid devices, and the coupling fluid in the multiple coupling fluid devices is sprayed on the first eddy current probe set between the first eddy current probe set and the second base metal probe set. on the tread of a rail.

Optionally, the hand-push dual-track flaw detector further includes a battery.

The hand-push double-track flaw detector provided by the utility model comprises a first probe part and a second probe part, an ultrasonic detection host, an eddy current detection host, a coupling fluid device, a vehicle frame and a host computer, which are oppositely arranged. The first eddy current probe group , The first ultrasonic base metal probe group, the first array probe group and the second ultrasonic base metal probe group are sequentially installed on the frame, and the first detection combination surface, the third detection combination surface, the second detection combination surface and the fourth detection combination surface are installed on the frame in turn. The detection combined surface is attached to the tread surface of the first steel rail. Similarly, the second probe part is installed on the frame according to the above structure, the first ultrasonic testing host and the eddy current testing host are turned on, and the hand-push double rail is manually pushed. The flaw detector moves on the double track, so as to effectively detect the near-surface and internal damage of the double track, and detect the transverse vertical crack inside the double track.

Description of drawings

The preferred embodiments of the present utility model will be described in detail below through the accompanying drawings, which will help to understand the purpose and advantages of the present utility model, wherein:

Fig. 1 is the structural representation of the hand-push type dual-track flaw detector of an embodiment of the present utility model;

2 is a schematic structural diagram of a first probe part in a hand-push type dual-track flaw detector according to an embodiment of the present invention;

3 is a top view of the first ultrasonic base metal probe group, the first array probe group and the second ultrasonic base metal probe group installed on the tread of the first rail in the hand-push dual-rail flaw detector according to an embodiment of the present invention.

Description of reference numbers:

1: The first probe part; 2: The ultrasonic testing host; 3: The eddy current testing host; 4: The coupling fluid device; 5: The frame; 6: The upper computer; 7: The handle; 8: The tread of the first rail; 9: The first a rail; 10: a second rail;

12: The first ultrasonic base metal probe group; 13: The first array probe group; 14: The second ultrasonic base metal probe group;

21: No. 1 ultrasonic probe; 22: No. 2 ultrasonic probe; 23: No. 3 ultrasonic probe; 24: No. 4 ultrasonic probe; 25: No. 5 ultrasonic probe; 26: No. 6 ultrasonic probe; 27: No. 7 ultrasonic probe; 28 : No. 8 ultrasonic probe; 29: The first eddy current probe group;

51: the first cleaner; 52: the second cleaner;

61: inside the rail; 62: outside the rail.

Detailed ways

The present utility model will be described in detail below in conjunction with the embodiments. Wherein the same parts are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" ” refer to directions towards or away from the geometric center of a particular part, respectively.

As shown in FIGS. 1 to 3 , the hand-push dual-track flaw detector provided by the present invention includes a first probe part 1 and a second probe part, an ultrasonic testing host 2 , an eddy current testing host 3 , and a coupling fluid device 4 , which are oppositely arranged. , a frame 5 and a host computer 6, wherein: the first probe part 1 is mounted on the frame 5, and includes a first eddy current probe group 29, a first ultrasonic base metal probe group 12, and a first array probe group 13 arranged in sequence and the second ultrasonic base metal probe group 14, the first eddy current probe group 29 includes a first detection surface, the first base metal probe group includes a second detection combination surface, the first array probe group 13 includes a third detection combination surface, the second The base metal probe group includes a fourth detection combination surface. The first detection combination surface, the third detection combination surface, the second detection combination surface and the fourth detection combination surface are all attached to the tread surface 8 of the first rail, and are respectively used for detection. Near-surface damage, internal transverse vertical cracks and internal damage of the first rail 9; the second probe part is mounted on the frame 5 and has the same structure as the first probe part 1, and is used to detect the near-surface damage of the second rail 10 , internal transverse vertical cracks and internal damage; the first eddy current probe group 29 is in communication with the eddy current testing host 3 ; the first array probe group 13 , the first base metal probe group and the second base metal probe group are all in communication with the ultrasonic testing host 2 The ultrasonic testing host 2 and the eddy current testing host 3 are all connected in communication with the host computer 6; the coupling fluid device 4 is installed on the frame 5, and the coupling fluid device 4 includes the coupling fluid, which is used for spraying on the tread surface of the first rail 9 8 and the tread of the second rail 10.

It should be noted that the second probe part has the same structure as the first probe group, that is, it also includes the first eddy current probe group 29 , the first ultrasonic base metal probe group 12 , the first array probe group 13 and the second The ultrasonic base metal probe set 14, the first eddy current probe set 29 include a first detection surface, the first base metal probe set includes a second detection combination surface, the first array probe set 13 includes a third detection combination surface, and the second base metal probe The group includes a fourth detection combination surface, and the first detection combination surface, the third detection combination surface, the second detection combination surface and the fourth detection combination surface are all attached to the tread surface of the second rail 10, and are respectively used to detect the second rail. 10 near-surface damage, internal transverse vertical cracks, and internal damage; the coupling fluid can be water.

The hand-push double-track flaw detector provided by the utility model includes a first probe part 1 and a second probe part, an ultrasonic testing host 2, an eddy current testing host 3, a coupling fluid device 4, a frame 5 and a host computer 6, which are arranged oppositely. The first eddy current probe group 29 , the first ultrasonic base metal probe group 12 , the first array probe group 13 and the second ultrasonic base material probe group 14 are sequentially installed on the frame 5 . The combination surface, the second detection combination surface and the fourth detection combination surface are all attached to the tread surface 8 of the first rail. Similarly, the second probe part is installed on the frame 5 according to the above structure, and the first ultrasonic detection host is turned on. 2. The eddy current testing host 3, with the manual push of the hand-push dual-track flaw detector, moves on the dual-track, so as to effectively detect the near-surface and internal damage of the dual-track, and detect the transverse and vertical cracks inside the dual-track.

As shown in FIG. 2 and FIG. 3 , the first ultrasonic base metal probe group 12 includes a No. 1 ultrasonic probe 21 and a No. 2 ultrasonic probe 22, and the No. 1 ultrasonic probe 21 includes a front straight 70° wafer E and a rear straight 70° wafer F, The No. 2 ultrasonic probe 22 includes a rear-straight 37° wafer H and a 0° wafer I; the second ultrasonic base metal probe group 14 includes a No. 7 ultrasonic probe 27 and an No. 8 ultrasonic probe 28, and the No. 7 ultrasonic probe 27 includes a front inner 70° wafer. C. The rear inner 70° wafer A, the No. 8 ultrasonic probe 28 includes the front outer 70° wafer D and the rear outer 70° wafer B. In this embodiment, the No. 1 ultrasonic probe 21, No. 2 ultrasonic probe 22, No. 7 ultrasonic probe 27 and No. 8 ultrasonic probe 28 can detect the internal damage of the first rail 9. Specifically, the No. 7 ultrasonic probe 27 and No. 8 ultrasonic probe The probe 28 can detect the internal damage of the rail head, which improves the effective detection performance of the hand-push dual-rail flaw detector.

As shown in FIG. 2 and FIG. 3 , the first array probe group 13 includes the No. 3 ultrasonic probe 23 , the No. 4 ultrasonic probe 24 , the No. 5 ultrasonic probe 25 , and the No. 6 ultrasonic probe 26 arranged in sequence. The No. 3 ultrasonic probe 23 includes C1, G, C2, C3 are four elements, C1 is the transmitting channel, C2 is the receiving and transmitting channel, C3 is the receiving channel, G is the first 37° channel, the No. 4 ultrasonic probe 24 includes two elements C4, C5, and C4 , C5 are receiving channels, the No. 5 ultrasonic probe 25 includes two chips C6, C7, and C6, C7 are receiving channels, the No. 6 ultrasonic probe 26 includes two chips C8, C9, and C8, C9 are both receiving channels , the distance between C1 and C2 is 30mm~44mm, the distance between C1 and C4 is 106mm~120mm, the distance between C1 and C6 is 181mm~195mm, and the distance between C1 and C8 is 256mm~270mm. In this embodiment, the C1 wafer is the transmitting wafer, and the C2 wafer is the transmitting and receiving wafer. If there is a vertical defect blocking the emission path of the two wafers, the sound wave will be reflected to the bottom of the rail, and then reflected to the bottom of the rail again. Nos. C2 to C9 receive wafers, so as to scan the rail waist from bottom to top, which can realize uninterrupted scanning in the vertical direction, that is, the transverse vertical cracks inside the first rail 9 can be detected. Similarly, the second The probe part can detect the internal transverse and vertical cracks of the second steel rail 10, and then can effectively detect the internal transverse and vertical cracks of the double rails, which improves the convenience of use of the hand-push dual-rail flaw detector.

As shown in Figures 2 and 3, the distance between H and G is 255mm to 265mm. In this embodiment, the probe H is transmitted and the probe G is received, and penetrating detection is performed on the projection area of the rail waist, so as to detect the internal damage of the rail waist and the projection area of the first rail 9. Similarly, the second The probe part can detect the rail waist of the second rail 10 and its projection area to detect internal damage, which improves the comprehensive detection capability of the hand-push dual-rail flaw detector.

As shown in FIG. 1 , the frame 5 includes a first probe bracket and a second probe bracket arranged opposite to each other, a first eddy current probe group 29 , a first ultrasonic base metal probe group 12 , a first array probe group 13 , and a second ultrasonic mother The material probe groups 14 are arranged in sequence on the first probe bracket, and the second probe part is mounted on the second probe bracket. This embodiment improves the structural stability of the first eddy current probe group 29 , the first ultrasonic base metal probe group 12 , the first array probe group 13 , and the second ultrasonic base material probe group 14 mounted on the frame 5 , and the above probes Installation in the above order ensures the correlation between the probes, reduces the mutual interference between the non-related probes, and improves the stability of the detection capability of the hand-push dual-track flaw detector.

As shown in FIG. 2 , the frame 5 further includes a first cleaner 51 and a second cleaner 52 , and the first cleaner 51 and the second cleaner 52 are respectively installed on both ends of the first probe bracket. Specifically, both ends of the second probe bracket on the second rail 10 are also provided with a third cleaner and a fourth cleaner. In this embodiment, the first cleaner 51 and the second cleaner 52 can clean the tread surface 8 of the first rail in time as the hand-push dual rail flaw detector moves forward on the tread surface of the dual rail, thereby ensuring the detection of the tread surface 8 of the first rail. In the same way, the third cleaner and the fourth cleaner can clean the tread surface of the second rail 10 in time, so as to ensure that there is no influence of interfering foreign objects when detecting the tread surface of the second rail 10, thereby reducing external factors The interference caused to the detection improves the accuracy of the detection operation of the hand-push dual-track flaw detector.

As shown in FIG. 1 , the frame 5 further includes a handle 7 . In this embodiment, the handle 7 can be operated more conveniently by hand, which improves the convenience of use of the hand-pushed dual-track flaw detector.

In an embodiment of the present utility model, the coupling fluid device 4 is provided with a valve, which is installed on the ejection pipeline of the coupling fluid, and the operator manually operates the valve to open or close, so as to move forward with the hand-push dual-track flaw detector. When testing, by opening the valve, the coupling fluid is sprayed on the tread of the double rail in time, so that the No. 1 ultrasonic probe 21, No. 2 ultrasonic probe 22, No. 3 ultrasonic probe 23, No. 4 ultrasonic probe 24, No. 5 can be promptly Ultrasonic probe No. 25, No. 6 ultrasonic probe 26, No. 7 ultrasonic probe 27, No. 8 ultrasonic probe 28 and the air between the double-track tread are exhausted, which is convenient for detection. The waste of coupling fluid improves the detection accuracy of the hand-push double-track flaw detector.

In an embodiment of the present invention, there are multiple coupling liquid devices 4, and the coupling liquid in the multiple coupling liquid devices 4 is sprayed on the tread surface 8 of the first rail between the first eddy current probe group 29 and the second base metal probe group Similarly, a plurality of coupling fluids are also sprayed on the tread surface of the second rail 10, so that the coupling fluid is evenly sprayed on the tread surface of the double rails, and the detection accuracy of the hand-push dual-rail flaw detector is improved.

In an embodiment of the present utility model, the hand-push double-track flaw detector further includes a battery. The battery provides power for the hand-push double-track flaw detector, thus ensuring the normal operation of the hand-push double-track flaw detector and improving the convenience of use of the hand-push double-track flaw detector.

The hand-push double-track flaw detector provided by the utility model includes a first probe part 1 and a second probe part, an ultrasonic testing host 2, an eddy current testing host 3, a coupling fluid device 4, a frame 5 and a host computer 6, which are arranged oppositely. The first eddy current probe group 29 , the first ultrasonic base metal probe group 12 , the first array probe group 13 and the second ultrasonic base material probe group 14 are sequentially installed on the frame 5 . The combination surface, the second detection combination surface and the fourth detection combination surface are all attached to the tread surface 8 of the first rail. Similarly, the second probe part is installed on the frame 5 according to the above structure, and the first ultrasonic detection host is turned on. 2. The eddy current testing host 3, with the manual push of the hand-push dual-track flaw detector, moves on the dual-track, so as to effectively detect the near-surface and internal damage of the dual-track, and detect the transverse and vertical cracks inside the dual-track.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, but not to limit them; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions recorded in the foregoing embodiments, or to perform equivalent replacements to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention. .

Claims (10)

1. a hand-push type dual-track flaw detector, is characterized in that, comprises the first probe part and the second probe part that are arranged oppositely, ultrasonic testing host, eddy current testing host, coupling fluid device, vehicle frame and host computer, wherein: The first probe part is mounted on the frame, and includes a first eddy current probe group, a first ultrasonic base material probe group, a first array probe group and a second ultrasonic base material probe group, which are arranged in sequence. An eddy current probe group includes a first detection combination surface, the first ultrasonic base metal probe group includes a second detection combination surface, the first array probe group includes a third detection combination surface, and the second ultrasonic base metal probe group Including a fourth detection combination surface, the first detection combination surface, the third detection combination surface, the second detection combination surface and the fourth detection combination surface are all attached to the tread surface of the first rail, respectively. for detecting near-surface damage, internal transverse vertical cracks and internal damage of the first rail; The second probe part is mounted on the frame and has the same structure as the first probe part, and is used to detect near-surface damage, internal transverse vertical cracks and internal damage of the second rail; the first eddy current probe group is connected in communication with the eddy current detection host; The first array probe group, the first ultrasonic base material probe group and the second ultrasonic base material probe group are all connected in communication with the ultrasonic testing host; Both the ultrasonic detection host and the eddy current detection host are connected in communication with the upper computer; The coupling fluid device is installed on the frame, and the coupling fluid device includes a coupling fluid, and the coupling fluid is used for spraying on the tread surface of the first rail and the tread surface of the second rail. 2. The hand-push dual-track flaw detector according to claim 1, wherein the first ultrasonic base metal probe group comprises a No. 1 ultrasonic probe and a No. 2 ultrasonic probe, and the No. 1 ultrasonic probe includes a front straight 70 ° wafer E and rear straight 70° wafer F, the No. 2 ultrasonic probe includes a rear straight 37° wafer H and a 0° wafer I; the second ultrasonic base metal probe group includes a No. 7 ultrasonic probe and a No. 8 ultrasonic probe, the The No. 7 ultrasonic probe includes a front inner 70° wafer C and a rear inner 70° wafer A, and the No. 8 ultrasonic probe includes a front outer 70° wafer D and a rear outer 70° wafer B. 3. The hand-push type dual-track flaw detector according to claim 2, wherein the first array probe group comprises No. 3 ultrasonic probes, No. 4 ultrasonic probes, No. 5 ultrasonic probes, and No. 6 ultrasonic probes arranged in sequence Probe, the No. 3 ultrasonic probe includes four elements C1, G, C2, and C3, C1 is the transmitting channel, C2 is the receiving and transmitting channel, C3 is the receiving channel, G is the first 37° channel, the No. 4 ultrasonic probe It includes two chips C4 and C5, and C4 and C5 are both receiving channels. The No. 5 ultrasonic probe includes two chips C6 and C7, and C6 and C7 are both receiving channels. The No. 6 ultrasonic probe includes C8 and C9 Two wafers, and C8 and C9 are both receiving channels, the distance between C1 and C2 is 30mm~44mm, the distance between C1 and C4 is 106mm~120mm, the distance between C1 and C6 is 181mm~195mm, C1 The distance from C8 is 256mm to 270mm. 4 . The hand-push dual-track flaw detector according to claim 3 , wherein the distance between H and G is 255mm˜265mm. 5 . 5 . The hand-push dual-track flaw detector according to claim 4 , wherein the frame comprises a first probe support and a second probe support arranged oppositely, the first eddy current probe group, the first ultrasonic mother The material probe group, the first array probe group, and the second ultrasonic base material probe group are sequentially arranged on the first probe bracket, and the second probe part is mounted on the second probe bracket. 6 . The hand-push type dual-track flaw detector according to claim 5 , wherein the carriage further comprises a first cleaner and a second cleaner, the first cleaner and the second cleaner are respectively 6 . Installed on both ends of the first probe holder. 7 . The hand-push dual-track flaw detector according to claim 6 , wherein the frame further comprises a handle. 8 . 8 . The hand-push dual-track flaw detector according to claim 7 , wherein the coupling fluid device is provided with a valve, and the valve is installed on the spouting pipeline of the coupling fluid. 9 . 9 . The hand-push dual-track flaw detector according to claim 8 , wherein there are multiple coupling fluid devices, and the coupling fluid in the multiple coupling fluid devices is sprayed on the first eddy current probe. 10 . on the tread surface of the first rail between the group and the second ultrasonic base metal probe group. 10 . The hand-push type dual-rail flaw detector according to claim 9 , wherein the hand-push type dual-rail flaw detector further comprises a battery. 11 .

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