Probe detection conversion device and double-track type steel rail ultrasonic flaw detection equipment
By designing a probe detection and conversion device, using the design of the conversion housing and conductive connection lines, the problems of easy damage to the connection structure between the wheeled probe and the host in the prior art and the cumbersome detection process are solved, and efficient and accurate detection of the probe is achieved.
Patent Information
- Application Number
- CN202520132191.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2035-01-21
AI Technical Summary
In existing dual-rail rail ultrasonic flaw detection equipment, the connection structure between the wheeled probe and the main machine is easily damaged during the disassembly and assembly during detection, and the detection process is cumbersome, which wastes time.
A probe detection and conversion device is designed, including a conversion housing, connecting the male and female ends, conductive connections and detection interfaces. The device allows the probe to be detected by the bypass leads and conductive connections without removing the probe and the host connection.
It avoids damage to the connection structure between the probe and the host, improves the accuracy and convenience of probe detection, and reduces time waste during the detection process.
Smart Images
Figure CN222529289U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ultrasonic flaw detectors, in particular to a probe detection conversion device and double-track rail ultrasonic flaw detection equipment. Background Art
[0002] The wheel probe on the double-track rail ultrasonic flaw detection equipment can achieve efficient and accurate detection of internal damage to the rail through the principle of ultrasonic conduction and reflection. However, the performance of the probe will be affected by many factors, such as wear, aging, poor coupling, etc., all of which may lead to a decrease in the accuracy of the test results. Therefore, regular performance testing of the wheel probe is an important measure to ensure the accurate and reliable operation of the flaw detector. At present, the wheel probe of the double-track rail ultrasonic flaw detection equipment is integrated and cannot be disassembled. In a method known to the utility model inventor, if the performance of the wheel probe needs to be tested, the wheel probe needs to be disassembled, which is cumbersome and time-consuming. Utility Model Content
[0003] The purpose of the utility model is to provide a probe detection conversion device and a double-track rail ultrasonic flaw detection device to solve the problems existing in the prior art, avoid the prior art in which the probe and the host are disassembled during detection, which easily leads to damage to the connection structure between the probe and the host, and ensure the accuracy and convenience of probe detection.
[0004] To achieve the above-mentioned purpose, the utility model provides the following solution: The utility model provides a probe detection conversion device, including a conversion shell, on the outer wall of which are respectively installed spaced-apart connecting male ends and connecting female ends, a conductive wire built into the conversion shell is connected between the connecting male ends and the connecting female ends, the conductive wire is connected to a bypass lead, and a detection interface is installed on the outer wall of the conversion shell located between the connecting male ends and the connecting female ends, and the detection interface is connected to the bypass lead.
[0005] Preferably, the connecting male end is provided with a plurality of male terminal connection positions, the connecting female end is provided with a plurality of female terminal connection positions corresponding to each of the male terminal connection positions, each group of corresponding male terminal connection positions and female terminal connection positions are connected with the conductive wires, and the conversion shell is provided with a plurality of the detection interfaces which are connected one-to-one with each of the conductive wires.
[0006] Preferably, each of the conductive connecting lines is provided with a switch for turning it on and off, and the switch is mounted on the outer wall of the conversion housing.
[0007] Preferably, the connecting male end includes a plurality of male end connectors connected to the male end connecting positions in a one-to-one correspondence, and the male end connectors are not constrained to each other.
[0008] Preferably, the connecting female end includes a plurality of female end connectors connected to the female end connecting positions in a one-to-one correspondence, and the female end connectors are not constrained to each other.
[0009] Preferably, the conductive connecting wire is equipped with universal connectors respectively connected to its two ends. The universal connector is an overall rod-shaped structure, with a slot provided on the end face of one end, which serves as the female end connector, and a plug with a straight rod-shaped structure is provided at the other end, which serves as the male end connector.
[0010] Preferably, the slot and the plug are respectively provided with connecting parts for connecting two ends of the conductive wire.
[0011] Preferably, through holes for respectively passing two ends of each conductive wire are provided on the outer wall of the conversion shell, and each universal connector is respectively located on the outer side of the conversion shell.
[0012] A double-track rail ultrasonic flaw detection device is also provided, comprising a self-propelled frame, a flaw detector is provided on the frame, the flaw detector comprises a wheel probe, a flaw detection main box and a probe detection conversion device, the probe detection conversion device is located between the wheel probe and the flaw detection main box, the wheel probe is provided with a wheel probe plug that is detachably plugged into the connecting female end, the flaw detection main box is provided with a host interface that is detachably plugged into the connecting male end, and the detection interface is equipped with a detection mechanism for detecting each probe on the wheel probe.
[0013] Preferably, the detection mechanism is provided with a plurality of detection plugs, and each of the detection plugs is detachably plugged into each of the detection interfaces in a one-to-one correspondence.
[0014] Compared with the prior art, the utility model has achieved the following technical effects:
[0015] In the utility model, when the probe needs to be tested and calibrated, there is no need to disassemble the connection state between the probe, the host and the conversion shell, that is, the detection mechanism can be connected to the detection interface, and the probe can be detected through bypass leads and conductive wires, thereby avoiding the prior art of disassembling the probe and the host during detection, which easily leads to damage to the connection structure between the probe and the host, and ensuring the accuracy and convenience of probe detection. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0017] Figure 1 This is a schematic diagram of the conversion box structure in one embodiment of the utility model;
[0018] Figure 2 This is a schematic diagram of a universal joint structure in an embodiment of the utility model;
[0019] Figure 3 A schematic diagram of the wiring of a universal connector in an embodiment of the utility model Figure 1 ;
[0020] Figure 4 A schematic diagram of the wiring of a universal connector in an embodiment of the utility model Figure 2 ;
[0021] Figure 5 This is a schematic diagram of connecting a wheel probe to a wheel probe plug in one embodiment of the utility model;
[0022] Figure 6 This is a schematic diagram of the wheel probe plug structure in one embodiment of the utility model;
[0023] Figure 7 This is a schematic diagram of the structure of the flaw detection main box in one embodiment of the utility model;
[0024] Figure 8 This is a schematic diagram of the overall structure of a double-track rail ultrasonic flaw detection device in one embodiment of the utility model;
[0025] Fig. 9 This is the internal wiring diagram of the conversion box in one embodiment of the utility model;
[0026] Among them, 1-conversion housing, 2-detection interface, 3-conductive connection, 4-male connection position, 5-female connection position, 6-universal connector, 7-slot, 8-plug, 9-connection hole, 10-annular protrusion, 11-wheel probe plug, 12-host interface, 13-wheel probe, 14-Flaw detection host box, 15-pin, 16-self-propelled frame, 17-driving axle, 18-driven axle, 19-front fender platform, 20-data military notebook, 21-front seat, 22-battery, 23-switch. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] The purpose of the utility model is to provide a probe detection conversion device and a double-track rail ultrasonic flaw detection device to solve the problems existing in the prior art, avoid the prior art in which the probe and the host are disassembled during detection, which easily leads to damage to the connection structure between the probe and the host, and ensure the accuracy and convenience of probe detection.
[0029] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0030] like Figures 1 to 9 As shown, this embodiment provides a probe detection conversion device, including a conversion shell 1, on the outer wall of the conversion shell 1 are respectively installed with spaced male and female connection ends, preferably, both ends of the outer wall of the conversion shell 1 are provided with connection through holes, so that the male connection end and the female connection end are respectively installed at the corresponding connection through holes, and the male connection end and the female connection end are exposed outside the conversion shell 1, so that the probe and the host are respectively connected to the male connection end and the female connection end, and the conductive wire 3 built in the conversion shell 1 is connected between the male connection end and the female connection end, that is, the male connection end and the female connection end are connected by the conductive wire 3 to achieve conduction between the male connection end and the female connection end, so that the entire probe detection conversion device The housing 1 is used as a transfer station for conduction between the probe and the host, and the conductive connection 3 is connected with a bypass lead. A detection interface 2 is installed on the outer wall of the conversion shell 1 located at the connection male end and the connection female end. The detection interface 2 is connected with the bypass lead so that the detection interface 2 is conducted with the conductive connection 3 through the bypass lead. Therefore, when it is necessary to detect and calibrate the probe, there is no need to disassemble the connection state between the probe, the host and the conversion shell 1. That is, the detection mechanism can be connected to the detection interface 2, and the probe can be detected through the bypass lead and the conductive connection 3. This avoids the prior art of disassembling the probe and the host during detection, which easily causes damage to the connection structure between the probe and the host, and ensures the accuracy and convenience of probe detection.
[0031] In a specific embodiment, a plurality of male terminal connection positions 4 are provided on the connecting male end, a plurality of female terminal connection positions 5 corresponding to each male terminal connection position 4 are provided on the connecting female end, and a conductive wire 3 is connected between each group of corresponding male terminal connection positions 4 and female terminal connection positions 5, and a plurality of detection interfaces 2 connected one-to-one with each conductive wire 3 are provided on the conversion housing 1. It should be noted that, for example, a rail ultrasonic flaw detector, its wheel probe 13 has a plurality of conventional water wheel channels and a plurality of weld scanning channels, all channels are integrated using a multi-core aviation plug, which is inserted into the host interface 12 on the flaw detection host box 14 for transmitting and receiving ultrasonic signals, so a plurality of male terminal connection positions 4 are provided on the connecting male end so that each male terminal connection position 4 and each female terminal connection position 5 can be connected to each other. The male-end connection positions 4 are respectively and synchronously connected to the pins 15 in the multi-core aviation plug, that is, the connection between the channel connection lines and the conductive lines 3 in the multi-core aviation plug is completed, and a plurality of female-end connection positions 5 are arranged on the connecting female end, so that each female-end connection position 5 is synchronously connected to each socket in the host interface 12, and then each pair of male-end connection positions 4 and female-end connection positions 5 are connected with a conductive line 3 to complete the conduction between the two, and through the matching detection interfaces 2 and the conductive lines 3, when it is necessary to detect the performance of the probe chip of a single channel, the corresponding detection interface 2 can be connected by using the detection mechanism, and there is no need to disassemble the multi-core aviation plug to expose its channel connection lines, so that the detection work is more convenient.
[0032] In a specific embodiment, each conductive connection 3 is provided with a switch 23 for turning it on and off. All conductive connections 3 can be turned on and off arbitrarily by the switch 23, thereby realizing arbitrarily opening and closing the channels of all probes, so that the probe chip performance of each probe channel can be detected one by one, and the switch 23 is installed on the outer wall of the conversion shell 1 to facilitate the opening and closing operation during the detection process.
[0033] In a specific embodiment, the male end of the connection includes a plurality of male end connectors connected to each male end connection position 4 in a one-to-one correspondence, and each male end connector is not constrained to each other, so that each male end connector can be connected to each pin 15 in the multi-core aviation plug one by one, avoiding the integration of each male end connector, which is limited by its structure and affects the connection with the multi-core aviation plug, thereby matching multi-core aviation plugs of different models, and improving the applicability of the entire device. And the female end of the connection includes a plurality of female end connectors connected to each female end connection position 5 in a one-to-one correspondence, and each female end connector is not constrained to each other, so that each female end connector can be connected to each jack of the host interface 12 one by one, avoiding the integration of each female end connector, which is limited by its structure and affects the connection with the host interface 12, thereby matching different models of host interfaces 12, and improving the applicability of the entire device.
[0034] In this embodiment, the conductive connection line 3 is equipped with a universal connector 6 connected to both ends thereof, and the universal connector 6 is a rod-shaped structure as a whole, and a slot 7 is provided on the end surface of one end thereof, and the slot 7 serves as a male end connector, and a plug 8 in a straight rod-shaped structure is provided at the other end, and the plug 8 serves as a female end connector, so that the same universal connector 6 can be used as a female end connector and a male end connector, respectively, to ensure the convenience of the entire device when used. Preferably, the slot 7 and the plug 8 are respectively provided with a connecting portion for connecting the two ends of the conductive connection line 3, so as to be connected to the two ends of the conductive connection line 3 through the connecting portion of the slot 7 and the plug 8. Among them, a connecting hole 9 as a connecting portion is provided through the slot 7, so that the end of the conductive connection passes through and is fixed at the connecting hole 9, and an annular protrusion 10 is provided at the plug 8 in the middle part of its structure, and the part of the plug 8 between the annular protrusion 10 and the slot 7 serves as a connecting portion, and the annular protrusion 10 is provided, so that when the conductive connection line 3 is tied to the plug 8, the conductive connection line 3 is limited by the annular protrusion 10 to prevent the conductive connection line 3 from falling off the plug 8.
[0035] In a specific embodiment, through holes are opened on the outer wall of the conversion shell 1 for the two ends of each conductive connection line 3 to pass through, and each universal connector 6 is located on the outside of the conversion shell 1, so that the operator can quickly connect each universal connector 6 with each pin 15 of the multi-core aviation plug, and can quickly connect each universal connector 6 with each socket at the host interface 12, and a protective cover surrounding the outer peripheral side of each conductive connection line 3 is fixed at the through hole to avoid damage to the conductive connection line 3 during use.
[0036] Furthermore, a double-track rail ultrasonic flaw detection device is also provided, including a self-propelled frame 16, and preferably a driving bridge 17 and a driven bridge 18 are provided on the frame to realize the self-propelled function of the entire double-track rail ultrasonic flaw detection device, and it is convenient for operators to carry; a flaw detector is provided on the frame, and the flaw detector includes a wheel probe 13, a flaw detection main box 14 and a probe detection conversion device, the probe detection conversion device is located between the wheel probe 13 and the flaw detection main box 14, the wheel probe 13 is provided with a wheel probe plug that can be detachably plugged into the female end of the connection, the flaw detection main box 14 is provided with a host interface 12 that can be detachably plugged into the male end of the connection, and the detection interface 2 is equipped with a detection mechanism for detecting each probe on the wheel probe 13. Preferably, the wheel probe 13 adopts an ultrasonic probe wheel, which has 9 conventional water wheel channels and 14 weld scanning channels, and all channels are integrated with an 18-core aviation plug, that is, a wheel probe plug, and is connected to the flaw detection main box 14 through a probe detection conversion device to transmit and receive ultrasonic signals. The wheel probe 13 is equipped with a multi-channel high-speed ultrasonic signal acquisition card and damage data analysis software. The wheel probe 13 and the multi-channel high-speed ultrasonic signal acquisition card are used to sample the signal, and the collected data is analyzed and processed by the damage data analysis software to make a certain prediction of the rail flaw detection. The entire flaw detector can detect various defects and cracks on the head, waist and bottom of the rail during the walking process of the self-propelled frame 16. The flaw detector has two modes: A scan and B scan. B scan is the scanning mode used in actual detection. B scan is driven by an encoder to continuously collect and record corresponding information. The encoder generates a pulse every 2.89mm. The flaw detector collects the flaw detection signals on the left and right rails in real time according to the pulse signal.
[0037] Among them, a front fender platform 19 is provided on the self-propelled vehicle frame 16, and a console and a data military notebook 20 are installed on the front fender platform 19. A front seat 21 is also provided on the self-propelled vehicle frame 16, and a battery 22 is placed in the middle and below the front seat 21 to provide a power source for the driving axle 17, the driven axle 18 and the flaw detection main box 14. A filter is installed inside the battery 22 so that the battery 22 will not interfere with the signal.
[0038] In a specific embodiment, the detection mechanism is installed on the self-propelled vehicle frame 16, and is provided with a plurality of detection plugs, each detection plug being detachably plugged into each detection interface 2 one by one, so that the corresponding detection plug can be selected and plugged into the corresponding detection interface 2, thereby detecting the probe chip performance of the corresponding channel of the wheel probe 13.
[0039] Adaptive changes made according to actual needs are all within the protection scope of this utility model.
[0040] It should be noted that it is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numerals in the claims should not be regarded as limiting the claims involved.
[0041] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of the present invention. At the same time, for those skilled in the art, according to the idea of the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.
Claims
1. A probe detection conversion device, characterized in that: It includes a conversion shell, on the outer wall of which are respectively installed spaced-apart connecting male ends and connecting female ends, between which are connected conductive wires built into the conversion shell, which are connected to bypass leads, and on the outer wall of the conversion shell located between the connecting male ends and the connecting female ends, a detection interface is installed, which is connected to the bypass leads.
2. The probe detection conversion device according to claim 1, characterized in that: The connecting male end is provided with a plurality of male terminal connection positions, the connecting female end is provided with a plurality of female terminal connection positions corresponding to the male terminal connection positions, each group of corresponding male terminal connection positions and female terminal connection positions are connected with the conductive wires, and the conversion shell is provided with a plurality of detection interfaces connected one-to-one with the conductive wires.
3. The probe detection conversion device according to claim 2, characterized in that: Each of the conductive connecting lines is provided with a switch for turning it on and off, and the switch is installed on the outer wall of the conversion housing.
4. The probe detection conversion device according to claim 2 or 3, characterized in that: The connecting male end includes a plurality of male end connectors connected to the male end connecting positions in a one-to-one correspondence, and the male end connectors are not constrained to each other.
5. The probe detection conversion device according to claim 4, characterized in that: The connecting female end includes a plurality of female end connectors connected to the female end connecting positions in a one-to-one correspondence, and the female end connectors are not constrained to each other.
6. The probe detection conversion device according to claim 5, characterized in that: The conductive connecting wire is equipped with universal connectors connected to its two ends respectively. The universal connector is a rod-shaped structure as a whole, and a slot is provided on the end face of one end, and the slot serves as the female end connector. The other end is provided with a plug in a straight rod-shaped structure, and the plug serves as the male end connector.
7. The probe detection conversion device according to claim 6, characterized in that: The slot and the plug are respectively provided with connecting parts for connecting two ends of the conductive wire.
8. The probe detection conversion device according to claim 7, characterized in that: The outer wall of the conversion shell is provided with through holes for the two ends of each conductive wire to pass through, and each universal connector is located on the outer side of the conversion shell.
9. A double-track rail ultrasonic flaw detection device, characterized in that: It includes a self-propelled vehicle frame, on which a flaw detector is provided, the flaw detector includes a wheel probe, a flaw detection main box and a probe detection conversion device as described in any one of claims 1 to 8, the probe detection conversion device is located between the wheel probe and the flaw detection main box, the wheel probe is provided with a wheel probe plug that is detachably plugged into the connecting female end, the flaw detection main box is provided with a host interface that is detachably plugged into the connecting male end, and the detection interface is equipped with a detection mechanism for detecting each probe on the wheel probe.
10. The double-track rail ultrasonic flaw detection equipment according to claim 9, characterized in that: The detection mechanism is provided with a plurality of detection plugs, and each of the detection plugs can be detachably plugged into each of the detection interfaces in a one-to-one correspondence.