Device for carrying out ultrasonic flaw detection on wheel seat embedding part of wheel shaft and wheel set

Abstract

The utility model discloses a device for carrying out ultrasonic flaw detection on a wheel seat embedding part of a wheel axle and a wheel set. The device comprises an axle body flaw detection probe, a lifting adjusting mechanism for adjusting the up-down vertical position of the axle body flaw detection probe, and a left-right adjusting mechanism for adjusting the left-right horizontal position of the lifting adjusting mechanism. According to the device for carrying out ultrasonic flaw detection on the wheel seat embedding part of the wheel axle and the wheel set, the position of the axle body flaw detection probe is adjusted through the lifting adjusting mechanism and the left-right adjusting mechanism, the detection coverage range of the axle body flaw detection probe is large, and the flaw detection requirements of axles of different models and sizes can be met. The position of the axle body flaw detection probe does not need to be manually adjusted, the full coverage of the wheel seat embedding part is ensured, the detection efficiency is improved, and the detection cost of the wheel seat embedding part is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of ultrasonic flaw detection of axles and wheelsets, and in particular to a device for ultrasonic flaw detection of wheel axles and wheel seat inserting parts of wheelsets. Background Art

[0002] As the main component of train operation, wheelset is an important link affecting the safe operation of trains. In order to ensure the good technical status of wheelset and provide data support, it is necessary to conduct flaw detection on wheelset to determine whether there are defects such as fatigue cracks in the wheelset. The flaw detection area of ​​wheelset includes the root of axle journal, wheel seat insert and wheel rim.

[0003] At present, there is no dedicated device for ultrasonic flaw detection of the wheel seat insert of the wheel axle and the wheel set. Utility Model Content

[0004] The purpose of the utility model is to solve the above-mentioned shortcomings of the background technology and provide a device which can automatically adjust the position of the probe to cover the shaft area of ​​the axle and perform flaw detection on the wheel seat embedded part.

[0005] To achieve this purpose, the utility model is designed to perform ultrasonic flaw detection on the wheel seat embedded part of the wheel axle and the wheel set, including an axle body flaw detection probe, a lifting adjustment mechanism for adjusting the upper and lower vertical positions of the axle body flaw detection probe, and a left and right adjustment mechanism for adjusting the left and right horizontal positions of the lifting adjustment mechanism; the lifting adjustment mechanism includes a lifting drive device for driving the axle body flaw detection probe to lift and lower, and a lifting adjustment device for adjusting the upper and lower vertical positions of the lifting drive device; the left and right adjustment mechanism includes a horizontal drive device for driving the lifting adjustment device to move horizontally left and right, and a horizontal adjustment device for adjusting the left and right horizontal positions of the horizontal drive device.

[0006] Furthermore, the lifting drive device is a linear drive device arranged vertically and having a power output end that can move back and forth, and the shaft body flaw detection probe is fixed to the power output end of the lifting drive device.

[0007] Furthermore, the lifting adjustment device is vertically fixed on the mounting seat, and the lifting adjustment device is a linear drive device whose power output end can reciprocate, and the power output end of the lifting adjustment device passes through the mounting seat and is fixed to the lifting drive device.

[0008] Furthermore, a vertically arranged slider and rail mechanism is connected between the mounting seat and the lifting drive device, and the vertically arranged slider and rail mechanism includes a lifting adjustment rail fixed to the surface of the lifting drive device along the axial direction of the lifting drive device and a lifting adjustment slider fixed on the mounting seat and slidably matched with the lifting adjustment rail.

[0009] Furthermore, the horizontal driving device is a linear driving device which is horizontally arranged and has a power output end which can reciprocate, and the power output end of the horizontal driving device is fixed to the mounting seat.

[0010] Furthermore, the mounting seat is connected to a horizontally arranged slider rail mechanism, and the horizontally arranged slider rail mechanism includes a horizontal driving rail arranged along the left and right horizontal directions and a horizontal driving slider fixed on the mounting seat and slidably matched with the horizontal driving rail.

[0011] Furthermore, the horizontal adjustment device is fixed on the mounting bracket along the horizontal direction. The horizontal adjustment device is a horizontally arranged linear drive device with a power output end that can move back and forth. The power output end of the horizontal adjustment device is fixed to the mounting bracket, and the shell of the horizontal adjustment device and the shell of the horizontal drive device are fixed to form an integral structure.

[0012] Furthermore, a horizontally arranged slide rail and slider mechanism is connected between the overall structure and the mounting bracket, and the horizontally arranged slide rail and slider mechanism includes a horizontal adjustment slide rail fixed on the mounting bracket along the left and right horizontal directions and a horizontal adjustment slider fixed on the overall structure and slidably matched with the horizontal adjustment slide rail.

[0013] Furthermore, the power output end of the horizontal adjustment device and the power output end of the horizontal drive device are arranged in opposite directions toward the left and right sides respectively.

[0014] Furthermore, the left and right sides of the horizontal adjustment rail are slidably connected to the overall structure via horizontal adjustment sliders, and the power output ends of the horizontal driving devices on the left and right sides of the horizontal adjustment rail are respectively fixed with a mounting seat.

[0015] The beneficial effects of the utility model are as follows: the ultrasonic flaw detection device for the wheel seat insert designed by the utility model adjusts the position of the axle body flaw detection probe through the lifting adjustment mechanism and the left and right adjustment mechanism, and the detection coverage of the axle body flaw detection probe is large, which can meet the flaw detection requirements of axles of different models and sizes. There is no need to manually adjust the position of the axle body flaw detection probe, which ensures full coverage of the wheel seat insert, improves the detection efficiency, and reduces the detection cost of the wheel seat insert. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the ultrasonic automatic flaw detection system for axles and wheelsets in the utility model;

[0017] Figure 2 This is a front view of the ultrasonic automatic flaw detection system for axles and wheelsets in the utility model;

[0018] Figure 3 A three-dimensional diagram of a device for ultrasonic flaw detection of a wheel axle and a wheel seat insert of a wheel set in the utility model;

[0019] Figure 4 It is a front view of the device for ultrasonic flaw detection of the wheel axle and the wheel seat inserting part of the wheel set in the utility model;

[0020] Figure 5 It is a top view of the device for ultrasonic flaw detection of the wheel axle and the wheel seat inserting part of the wheel set in the utility model;

[0021] Figure 6 It is a left side view of the device for ultrasonic flaw detection of the wheel axle and the wheel seat inserting part of the wheel set in the utility model;

[0022] Among them, 301—shaft flaw detection probe, 302—mounting seat, 303—lifting adjustment slide rail, 304—lifting adjustment slider, 305—horizontal drive slide rail, 306—horizontal drive slider, 307—mounting bracket (307.1—bracket top plate, 307.2—bracket straight plate), 308—horizontal adjustment slide rail, 309—horizontal adjustment slider, 310—lifting drive cylinder, 311—lifting adjustment cylinder, 312—horizontal drive cylinder, 313—horizontal adjustment cylinder;

[0023] 500—Axle and wheelset ultrasonic automatic flaw detection system, 501—System framework. DETAILED DESCRIPTION

[0024] The utility model is further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0025] like Figure 1—6 shows an apparatus for ultrasonic flaw detection of the wheel seat insert of the wheel axle and the wheel set, which comprises two shaft flaw detection probes 301, a lifting adjustment mechanism for adjusting the vertical position of the two shaft flaw detection probes 301, and a left-right adjustment mechanism for adjusting the horizontal position of the lifting adjustment mechanism. The lifting adjustment mechanism comprises two vertically arranged lifting drive cylinders 310 for driving the shaft flaw detection probes 301 to lift and lower, and two lifting adjustment cylinders 311 fixed to the housing of the lifting drive cylinder 310 by the two cylinder shafts, which are used to adjust the vertical position of the lifting drive cylinder 310. The two lifting adjustment cylinders 311 are respectively fixed vertically on two mounting seats 302, and the mounting seat 302 and the lifting drive cylinder 310 are connected by the lifting adjustment slide rail 303 fixed on the housing of the lifting drive cylinder 310 and the lifting adjustment slider 304 fixed on the mounting seat 302 to realize the stable lifting of the lifting drive cylinder 310. The left-right adjustment mechanism includes two horizontal driving rails 305, two mounting seats 302 are slidably connected to the two horizontal driving rails 305 through horizontal driving sliders 306, a mounting bracket 307 is fixed in the middle of the two horizontal driving rails 305, a horizontal adjustment rail 308 is fixed to the middle bottom surface of the mounting bracket 307, two horizontal adjustment cylinders 313 are slidably connected to the horizontal adjustment rail 308 through horizontal adjustment sliders 309, the shells of the two horizontal adjustment cylinders 313 are respectively fixed to the shells of the two horizontal driving cylinders 312 as an integral structure, and the cylinder shafts of the two horizontal driving cylinders 312 are respectively fixed to the two mounting seats 302. The mounting bracket 307 includes a bracket top plate 307.1 and two bracket straight plates 307.2 vertically connected to the bottom of the bracket top plate 307.1, and the cylinder shafts of the two horizontal adjustment cylinders 313 are respectively fixed to the two bracket straight plates 307.2.

[0026] The working method of the device designed by the utility model for ultrasonic flaw detection of the wheel seat inserting part of the wheel axle and the wheel set is as follows: the two horizontal adjustment cylinders 313 are actuated, and through the extension and contraction of the cylinder shafts, the integral structure composed of the two horizontal drive cylinders 312 and the horizontal adjustment cylinder 313 moves along the horizontal adjustment slide rail 308, and the positions of the two mounting seats 302 on the horizontal drive slide rail 305 are adjusted. The two horizontal drive cylinders 312 drive the two mounting seats 302 to move along the horizontal drive slide rail 305, and the positions of the two mounting seats 302 on the horizontal drive slide rail 305 are adjusted for the second time, so that the detection positions of the two shaft body flaw detection probes 301 can cover the entire axle. During the movement of the two mounting seats 302, the two lifting adjustment cylinders 311 respectively drive the two lifting drive cylinders 310 and the shaft body flaw detection probe 301 at the bottom thereof to rise and fall, and at the same time, the two lifting drive cylinders 310 respectively drive the shaft body flaw detection probe 301 at the bottom thereof to rise and fall, so that the two shaft body flaw detection probes 301 meet the axle detection requirements of various heights.

[0027] The device designed by the utility model for ultrasonic flaw detection of the wheel seat embedded part of the wheel axle and the wheel set adjusts the position of the shaft flaw detection probe 301 through the lifting adjustment mechanism and the left and right adjustment mechanism. The shaft flaw detection probe 301 has a large detection coverage range and can meet the flaw detection requirements of axles of different models and sizes. There is no need to manually adjust the position of the shaft flaw detection probe 301, which ensures full coverage of the wheel seat embedded part, improves the detection efficiency, and reduces the detection cost of the wheel seat embedded part.

[0028] The above is only a preferred embodiment of the utility model, and does not limit the structure of the utility model in any form. Any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model still falls within the scope of the technical solution of the utility model.

Claims

1. A device for ultrasonic flaw detection of the wheel seat inserting part of the wheel axle and the wheel set, characterized in that: It comprises a shaft flaw detection probe (301), a lifting adjustment mechanism for adjusting the vertical position of the shaft flaw detection probe (301) and a left-right adjustment mechanism for adjusting the horizontal position of the left-right lifting adjustment mechanism; The lifting adjustment mechanism comprises a lifting drive device for driving the shaft flaw detection probe (301) to lift and lower, and a lifting adjustment device for adjusting the upper and lower vertical positions of the lifting drive device; The left-right adjustment mechanism comprises a horizontal driving device for driving the lifting adjustment device to move horizontally left-right and a horizontal adjusting device for adjusting the left-right horizontal position of the horizontal driving device.

2. The device for ultrasonic flaw detection of the wheel seat inserting part of the wheel axle and the wheel set according to claim 1, characterized in that: The lifting drive device is a linear drive device arranged vertically and having a power output end that can reciprocate. The shaft body flaw detection probe (301) is fixed to the power output end of the lifting drive device.

3. The device for ultrasonic flaw detection of the wheel seat inserting part of the wheel axle and the wheel set according to claim 2, characterized in that: The lifting adjustment device is vertically fixed on the mounting seat (302); the lifting adjustment device is a linear drive device with a power output end that can reciprocate; the power output end of the lifting adjustment device passes through the mounting seat (302) and is fixed to the lifting drive device.

4. The device for ultrasonic flaw detection of the wheel seat inserting part of the wheel axle and the wheel set according to claim 3, characterized in that: A vertically arranged slider rail mechanism is connected between the mounting seat (302) and the lifting drive device, and the vertically arranged slider rail mechanism comprises a lifting adjustment rail (303) fixed to the surface of the lifting drive device along the axial direction of the lifting drive device and a lifting adjustment slider (304) fixed to the mounting seat (302) and slidably matched with the lifting adjustment rail (303).

5. The device for ultrasonic flaw detection of the wheel seat inserting part of the wheel axle and the wheel set according to claim 4, characterized in that: The horizontal driving device is a linear driving device arranged horizontally and having a power output end that can reciprocate. The power output end of the horizontal driving device is fixed to the mounting seat (302).

6. The device for ultrasonic flaw detection of the wheel seat inserting part of the wheel axle and the wheel set according to claim 5, characterized in that: The mounting seat (302) is connected to a horizontally arranged slider rail mechanism, and the horizontally arranged slider rail mechanism comprises a horizontal driving rail (305) arranged along the left and right horizontal directions and a horizontal driving slider (306) fixed on the mounting seat (302) and slidably matched with the horizontal driving rail (305).

7. The device for ultrasonic flaw detection of the wheel seat inserting part of the wheel axle and the wheel set according to claim 6, characterized in that: The horizontal adjustment device is fixed on the mounting bracket (307) in the horizontal direction. The horizontal adjustment device is a linear drive device arranged horizontally and having a power output end that can move back and forth. The power output end of the horizontal adjustment device is fixed to the mounting bracket (307), and the shell of the horizontal adjustment device and the shell of the horizontal drive device are fixed to form an integral structure.

8. The device for ultrasonic flaw detection of the wheel seat inserting part of the wheel axle and the wheel set according to claim 7, characterized in that: A horizontally arranged slide rail and slider mechanism is connected between the overall structure and the mounting bracket (307), and the horizontally arranged slide rail and slider mechanism includes a horizontal adjustment slide rail (308) fixed on the mounting bracket (307) along the left and right horizontal directions and a horizontal adjustment slider (309) fixed on the overall structure and slidably matched with the horizontal adjustment slide rail (308).

9. The device for ultrasonic flaw detection of the wheel seat inserting part of the wheel axle and the wheel set according to claim 8, characterized in that: The power output end of the horizontal adjustment device and the power output end of the horizontal driving device are arranged in opposite directions toward the left and right sides respectively.

10. The device for ultrasonic flaw detection of the wheel seat inserting part of the wheel axle and the wheel set according to claim 9, characterized in that: The left and right sides of the horizontal adjustment rail (308) are respectively slidably connected to an integral structure via a horizontal adjustment slider (309), and the power output ends of the horizontal driving device on the left and right sides of the horizontal adjustment rail (308) are respectively fixed with a mounting seat (302).

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