阅读说明：本技术 轨道车辆板材用悬挂式双轴自动扫查机构及其标定方法 (Suspension type double-shaft automatic scanning mechanism for railway vehicle plates and calibration method thereof ) 是由 宋凯 蒋元元 霍俊宏 崔西明 张丽攀 于 2021-08-25 设计创作，主要内容包括：本发明提供了一种轨道车辆板材用悬挂式双轴自动扫查机构。所述扫查机构设于横梁上,所述扫查机构包括控制装置和机械传动装置,所述控制装置包括相对设置的第一驱动件和第二驱动件,所述机械传动装置包括探头固定装置、第一固定螺栓、第一导轨装置、旋转螺杆、直线轴承、斜撑、楔块、第二固定螺栓以及第二导轨装置,所述探头固定装置设于所述第一导轨装置上。本发明的轨道车辆板材用悬挂式双轴自动扫查机构,在采用远场涡流对加强筋进行定位的基础上,设计特定的扫查机构及运动行走方式,完全满足探头始终平行检测面并沿既定路线行走,整体设计结构简单,功能性强,有效解决了手动定位检测误差大且效率低的问题。(The invention provides a suspension type double-shaft automatic scanning mechanism for a rail vehicle plate. The scanning mechanism is arranged on the cross beam and comprises a control device and a mechanical transmission device, the control device comprises a first driving piece and a second driving piece which are oppositely arranged, the mechanical transmission device comprises a probe fixing device, a first fixing bolt, a first guide rail device, a rotating screw, a linear bearing, an inclined strut, a wedge block, a second fixing bolt and a second guide rail device, and the probe fixing device is arranged on the first guide rail device. According to the suspension type double-shaft automatic scanning mechanism for the rail vehicle plate, a specific scanning mechanism and a specific moving and traveling mode are designed on the basis of positioning the reinforcing ribs by adopting far-field eddy currents, so that the condition that the probe is always parallel to a detection surface and travels along a set route is completely met, the overall design structure is simple, the functionality is strong, and the problems of large error and low efficiency of manual positioning detection are effectively solved.)

1. The utility model provides a rail vehicle is automatic mechanism of looking into of suspension type biax for panel which characterized in that: the scanning mechanism is arranged on the cross beam and comprises a control device and a mechanical transmission device, the control device comprises a first driving piece (5) and a second driving piece (6) which are oppositely arranged, the mechanical transmission device comprises a probe fixing device (2), a first fixing bolt (3), a first guide rail device (4), a rotating screw (7), a linear bearing (8), an inclined strut (9), a wedge block (10), a second fixing bolt (11) and a second guide rail device (12), the probe fixing device (2) is arranged on the first guide rail device (4), a positioning detection probe (1) is arranged in the probe fixing device (2), the positioning detection probe (1) is fixed on the probe fixing device (2) through the first fixing bolt (3), and the first guide rail device (4) is electrically connected with the first driving piece (5), the first driving piece (5) is used for controlling the positioning detection probe (1) to be scanned along the direction perpendicular to the reinforcing ribs, the second guide rail device (12) is electrically connected with the second driving piece (6), the second driving piece (6) is used for controlling the positioning detection probe (1) to be scanned along the direction parallel to the reinforcing ribs, the rotating screw (7) and the linear bearing (8) form a probe adjusting device, the rotating screw (7) is used for adjusting the distance between the positioning detection probe (1) and the surface of a detected component, the inclined strut (9) and the wedge block (10) form a scanning mechanism fixing device, and the scanning mechanism fixing device fixes the scanning mechanism on the surface of a part to be detected through a second fixing bolt (11).

2. The suspended double-shaft automatic scanning mechanism for the railway vehicle plates as claimed in claim 1, wherein the scanning mechanism is detachably connected with the cross beam.

3. A suspended double-shaft automatic scanning mechanism for railway vehicle plates as claimed in claim 2, characterized in that the probe fixing device (2) is mounted on the first guide rail device (4) in a linear bearing connection manner, and the probe fixing device (2) can move along the first guide rail device (4).

4. A suspended double-shaft automatic scanning mechanism for railway vehicle plates as claimed in claim 3, characterized in that the scanning mechanism fixing device comprises a second fixing bolt (11), and the second fixing bolt (11) penetrates through the wedge block (10) and fixes the scanning mechanism and the cross beam.

5. A suspended double-shaft automatic scanning mechanism for railway vehicle plates as claimed in claim 4, characterized in that the inclined strut (9) is fixed between the end of the scanning mechanism and the wedge block (10).

6. A suspended double-shaft automatic scanning mechanism for railway vehicle plates as claimed in claim 5, characterized in that the inclined strut (9) is fixed between the end of the scanning mechanism and the wedge block (10) by riveting.

7. A suspended double-shaft automatic scanning mechanism for railway vehicle plates as claimed in claim 6, characterized in that the first driving member (5) and the second driving member (6) are both servo motors.

8. A calibration method of a suspended double-shaft automatic scanning mechanism for railway vehicle plates, which is applied to the suspended double-shaft automatic scanning mechanism for railway vehicle plates as claimed in any one of claims 1 to 7, and comprises the following steps:

the scanning mechanism is fixed to be positioned through the probe fixing device (2);

the distance between the positioning detection probe (1) and the floor surface is adjusted by rotating the screw (7);

the first driving piece (5) controls the positioning detection probe (1) to move in the direction vertical to the reinforcing rib by driving the first guide rail device (4) to position the reinforcing rib;

the second driving piece (6) controls the positioning detection probe (1) to move in the direction parallel to the reinforcing rib by driving the second guide rail device (5), so that the position of positioning detection is changed.

Technical Field

The invention relates to the field of nondestructive testing, in particular to a suspension type double-shaft automatic scanning mechanism for a rail vehicle plate and a calibration method adopting the suspension type double-shaft automatic scanning mechanism for the rail vehicle plate.

Background

The sandwich metal plate panel at the bottom of the railway vehicle is easy to generate crack defects in the service process, and when the defect detection is carried out by adopting a far-field eddy current detection technology, the defect detection device is interfered by reinforcing ribs on the back of a sandwich structural section bar, so that the defect is easily judged by mistake and missed, and therefore, the defect detection is carried out on the premise of positioning the positions of the reinforcing ribs and eliminating the detection interference. Because the in-service detection condition is harsh, the manual positioning detection can generate larger errors and the efficiency is not high, so that the automatic scanning device suitable for positioning detection of the reinforcing ribs on the back of the sandwich metal plate at the bottom of the railway vehicle is designed, the detection errors can be effectively reduced, the detection efficiency is improved, and powerful help is provided for further defect detection of the sandwich plate.

Disclosure of Invention

In view of the above, it is necessary to provide a suspended double-shaft automatic scanning mechanism for a rail vehicle plate and a calibration method using the suspended double-shaft automatic scanning mechanism for a rail vehicle plate.

A suspension type double-shaft automatic scanning mechanism for a rail vehicle plate is arranged on a cross beam and comprises a control device and a mechanical transmission device, wherein the control device comprises a first driving piece and a second driving piece which are oppositely arranged, the mechanical transmission device comprises a probe fixing device, a first fixing bolt, a first guide rail device, a rotating screw, a linear bearing, an inclined strut, a wedge block, a second fixing bolt and a second guide rail device, the probe fixing device is arranged on the first guide rail device, a positioning detection probe is arranged in the probe fixing device and is fixed on the probe fixing device through the first fixing bolt, the first guide rail device is electrically connected with the first driving piece, and the first driving piece is used for controlling the positioning detection probe to scan along the direction vertical to a reinforcing rib, the second guide rail device is electrically connected with the second driving piece, the second driving piece is used for controlling the positioning detection probe to scan along the direction parallel to the reinforcing rib, the rotating screw and the linear bearing form a probe adjusting device, the rotating screw is used for adjusting the distance between the positioning detection probe and the surface of a detected component, the inclined strut and the wedge form a scanning mechanism fixing device, and the scanning mechanism fixing device fixes the scanning mechanism on the surface of a part to be detected through a second fixing bolt.

Furthermore, the scanning mechanism and the cross beam are detachably connected.

Further, the probe fixing device is installed on the first guide rail device in a linear bearing connection mode, and the probe fixing device can move along the first guide rail device.

Furthermore, the scanning mechanism fixing device comprises a second fixing bolt, and the second fixing bolt penetrates through the wedge block and fixes the scanning mechanism and the cross beam.

Further, the inclined strut is fixed between the tail end of the scanning mechanism and the wedge block.

Furthermore, the inclined strut is fixed between the tail end of the scanning mechanism and the wedge block in a riveting mode.

Furthermore, the first driving part and the second driving part are both servo motors.

A calibration method of a suspended double-shaft automatic scanning mechanism for railway vehicle plates is applied to the suspended double-shaft automatic scanning mechanism for the railway vehicle plates, and comprises the following steps:

fixing the scanning mechanism to be positioned through a probe fixing device;

the distance between the positioning detection probe and the floor surface is adjusted by rotating the screw rod;

the first driving piece drives the first guide rail device to control the positioning detection probe to move in the direction vertical to the reinforcing rib so as to position the reinforcing rib;

the second driving piece controls the positioning detection probe to move in the direction parallel to the reinforcing rib by driving the second guide rail device, so that the position of positioning detection is changed.

The invention relates to a suspension type double-shaft automatic scanning mechanism for a rail vehicle plate, which comprises a control device and a mechanical transmission device, wherein the control device comprises a first driving piece and a second driving piece which are oppositely arranged, the mechanical transmission device comprises a probe fixing device, a first fixing bolt, a first guide rail device, a rotating screw, a linear bearing, an inclined strut, a wedge block, a second fixing bolt and a second guide rail device, the first guide rail device is electrically connected with the first driving piece, the first driving piece is used for controlling the positioning detection probe to scan along the direction vertical to a reinforcing rib, the second guide rail device is electrically connected with the second driving piece, the second driving piece is used for controlling the positioning detection probe to scan along the direction parallel to the reinforcing rib, the rotating screw and the linear bearing form a probe adjusting device, the rotating screw is used for adjusting the distance between the positioning detection probe and the surface of a detected component, the inclined strut and the wedge block form a scanning mechanism fixing device, and the scanning mechanism fixing device fixes the scanning mechanism on the surface of the component to be detected through a second fixing bolt. The suspended double-shaft automatic scanning mechanism for the railway vehicle plate has the advantages of being simple in operation, high in scanning efficiency and accurate in positioning precision, and being suitable for automatic scanning and positioning detection in a two-dimensional plane. According to the suspension type double-shaft automatic scanning mechanism for the rail vehicle plate, a specific scanning mechanism and a specific moving and traveling mode are designed on the basis of positioning the reinforcing ribs by adopting far-field eddy currents, so that the condition that the probe is always parallel to a detection surface and travels along a set route is completely met, the overall design structure is simple, the functionality is strong, and the problems of large error and low efficiency of manual positioning detection are effectively solved.

Drawings

FIG. 1 is a top view of a suspended dual axis automatic scanning mechanism for rail vehicle panels of the present invention;

FIG. 2 is a left side view of the suspended dual-axis automatic scanning mechanism for rail vehicle panels shown in FIG. 1;

FIG. 3 is a front view of the suspended dual-axis automatic scanning mechanism for rail vehicle panels shown in FIG. 1;

in the figure: 1. the device comprises a positioning detection probe, 2 probe fixing devices, 3 first fixing bolts, 4 first guide rail devices, 5 first driving pieces, 6 second driving pieces, 7 rotating screws, 8 linear bearings, 9 inclined struts, 10 wedge blocks, 11 second fixing bolts and 12 second guide rail devices.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, the invention provides a suspension type double-shaft automatic scanning mechanism for a rail vehicle plate, the scanning mechanism is arranged on a cross beam, the scanning mechanism comprises a control device and a mechanical transmission device, the control device comprises a first driving part 5 and a second driving part 6 which are oppositely arranged, the mechanical transmission device comprises a probe fixing device 2, a first fixing bolt 3, a first guide rail device 4, a rotating screw 7, a linear bearing 8, an inclined strut 9, a wedge block 10, a second fixing bolt 11 and a second guide rail device 12, the probe fixing device 2 is arranged on the first guide rail device 4, a positioning detection probe 1 is arranged in the probe fixing device 2, the positioning detection probe 1 is fixed on the probe fixing device 2 through the first fixing bolt 3, and the first guide rail device 4 is electrically connected with the first driving part 5, the first driving part 5 is used for controlling the positioning detection probe 1 to scan along the direction perpendicular to the reinforcing rib, the second guide rail device 12 is electrically connected with the second driving part 6, the second driving part 6 is used for controlling the positioning detection probe 1 to scan along the direction parallel to the reinforcing rib, the rotating screw 7 and the linear bearing 8 form a probe adjusting device, the rotating screw 7 is used for adjusting the distance between the positioning detection probe 1 and the surface of a detected component, the inclined strut 9 and the wedge block 10 form a scanning mechanism fixing device, and the scanning mechanism fixing device fixes the scanning mechanism on the surface of a component to be detected through a second fixing bolt 11.

Furthermore, the scanning mechanism and the beam are detachably connected, and the detachable connection mode includes but is not limited to clamping or splicing and the like.

Further, the probe fixing device 2 is mounted on the first rail device 4 by a linear bearing connection manner, and the probe fixing device 2 can move along the first rail device 4.

Further, the scanning mechanism fixing device comprises a second fixing bolt 11, the second fixing bolt 11 penetrates through the wedge block 10 and fixes the scanning mechanism and the cross beam, and the wedge block 10 is used for preventing the scanning mechanism from shaking.

Further, the inclined strut 9 is fixed between the end of the scanning mechanism and the wedge block 10, and the fixing mode includes, but is not limited to, clamping or inserting and the like.

Further, the inclined strut 9 is fixed between the tail end of the scanning mechanism and the wedge block 10 in a riveting mode so as to reduce the flexibility of the scanning mechanism.

Further, the first driving member 5 and the second driving member 6 are both servo motors.

A calibration method of a suspended double-shaft automatic scanning mechanism for railway vehicle plates is applied to the suspended double-shaft automatic scanning mechanism for the railway vehicle plates, and comprises the following steps:

the scanning mechanism is fixed to be positioned through the probe fixing device 2;

the distance between the positioning detection probe 1 and the floor surface is adjusted by rotating the screw 7;

the first driving piece 5 controls the positioning detection probe 1 to move in the direction vertical to the reinforcing rib by driving the first guide rail device 4, so as to position the reinforcing rib;

the second driving piece 6 controls the positioning detection probe 1 to move in the direction parallel to the reinforcing rib by driving the second guide rail device 5, so that the position of positioning detection is changed.

The suspension type double-shaft automatic scanning mechanism mainly comprises a linear motion mode, wherein the Z-direction movement is controlled by a probe adjusting device. The movement in the X and Y directions is controlled by a servo motor and a guide rail device. The first transmission motor 5 controls the probe to move in the X-axis direction (perpendicular to the direction of the reinforcing ribs), and the second transmission motor 6 controls the positioning detection probe 1 to move in the Y-axis direction (parallel to the direction of the reinforcing ribs). And starting the first transmission motor 5, scanning the positioning detection probe 1 along the guide rail in the direction vertical to the floor reinforcing rib, positioning the axis position of the reinforcing rib and marking. And starting the second transmission motor 6, moving the positioning detection probe 1 in the direction parallel to the reinforcing rib, and moving the positioning detection probe 1 to the next position for positioning scanning. Repeating the step, connecting the points positioned twice, and determining the axis position of the reinforcing rib.

The invention relates to a suspension type double-shaft automatic scanning mechanism for a rail vehicle plate, which comprises a control device and a mechanical transmission device, wherein the control device comprises a first driving piece and a second driving piece which are oppositely arranged, the mechanical transmission device comprises a probe fixing device, a first fixing bolt, a first guide rail device, a rotating screw, a linear bearing, an inclined strut, a wedge block, a second fixing bolt and a second guide rail device, the first guide rail device is electrically connected with the first driving piece, the first driving piece is used for controlling the positioning detection probe to scan along the direction vertical to a reinforcing rib, the second guide rail device is electrically connected with the second driving piece, the second driving piece is used for controlling the positioning detection probe to scan along the direction parallel to the reinforcing rib, the rotating screw and the linear bearing form a probe adjusting device, the rotating screw is used for adjusting the distance between the positioning detection probe and the surface of a detected component, the inclined strut and the wedge block form a scanning mechanism fixing device, and the scanning mechanism fixing device fixes the scanning mechanism on the surface of the component to be detected through a second fixing bolt. The suspended double-shaft automatic scanning mechanism for the railway vehicle plate has the advantages of being simple in operation, high in scanning efficiency and accurate in positioning precision, and being suitable for automatic scanning and positioning detection in a two-dimensional plane. According to the suspension type double-shaft automatic scanning mechanism for the rail vehicle plate, a specific scanning mechanism and a specific moving and traveling mode are designed on the basis of positioning the reinforcing ribs by adopting far-field eddy currents, so that the condition that the probe is always parallel to a detection surface and travels along a set route is completely met, the overall design structure is simple, the functionality is strong, and the problems of large error and low efficiency of manual positioning detection are effectively solved.

The above examples only express embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.