CN218496829U

CN218496829U - General wheel pair scanning device

Info

Publication number: CN218496829U
Application number: CN202221849936.8U
Authority: CN
Inventors: 李文霞; 周永星; 李猛; 王亮; 黄陈磊
Original assignee: Anhui Anjit Rail Transit Technology Co ltd
Current assignee: Anhui Anjit Rail Transit Technology Co ltd
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2023-02-17
Anticipated expiration: 2032-07-18

Abstract

The utility model discloses a general wheel pair sweeps ware of looking into, include: a main body support; the two ends of the roller shaft are connected to the main body bracket, and the two groups of follow-up rollers can adjust the positions on the roller shaft; the laser tracking component is used for identifying the walking track of the scanner; an encoder assembly for recording flaw detection processes; the probe assembly is used for carrying out flaw detection on the wheel set; and the adjusting assembly is used for adjusting the angle of the probe assembly. According to the method, the tire surface of the wheel is in contact with the detected surface during detection, the tire is made of a flexible material, the method can adapt to scanning of wheel sets of different models, and the scanning is performed by rolling around the tread, so that the detection efficiency is effectively improved; the unique tire material can ensure that high-quality ultrasonic detection similar to water immersion detection can be finished, the angle of the probe can be quickly and conveniently adjusted, and the stability of a detection result is ensured; the scanner has stable scanning and good visual field, and the track is judged by the aid of laser, so that missing detection of defects is avoided.

Description

General wheel pair scanning device

Technical Field

The utility model relates to a railway EMUs wheel equipment technical field that detects a flaw specifically is a ware is scanned to general formula wheel pair.

Background

The wheels of the motor train unit are used as important parts of a running part of the motor train unit, the wheels are subjected to the action of thermal stress, impact force, pressure, friction force and the like during running, fatigue cracks are easy to generate, and if the wheels cannot be detected and prevented in time, derailment and even overturn of a train can be caused. When the automatic equipment detects the flaw of the wheel, if the suspected defect occurs, the suspected defect needs to be manually rechecked and flaw detection evaluated. The portable phased array flaw detector used at present has the defects that due to the influence of a probe structure, the amplitude change is large during detection, the detection is unstable, and the phenomenon of missed detection occurs; the probe wafer has small size and low ultrasonic energy, so that the detection precision is low and the driving safety is endangered; in addition, the traditional manual flaw detection needs a handheld phased array probe to scan along a wheel set tread in a Z-shaped route, the probe swings at an angle of about 15 degrees when moving forward, so that the missed detection cannot occur, and the flaw detection time is long.

SUMMERY OF THE UTILITY MODEL

For solving prior art's not enough, this application provides a general wheel set scanner, includes:

a main body support;

the two groups of follow-up rollers are arranged through roller shafts, two ends of each roller shaft are connected to the main body bracket, and the positions of the two groups of follow-up rollers on the roller shafts can be adjusted;

the laser tracking assembly is arranged on the main body bracket and used for identifying the walking track of the scanner;

the encoder assembly is arranged on the main body bracket and used for recording the flaw detection process;

the probe assembly is arranged on the main body bracket and is used for detecting flaws of the wheel set;

and the adjusting assembly is arranged on the main body bracket and is used for adjusting the angle of the probe assembly.

Furthermore, the main body support comprises two supporting plates which are arranged oppositely, a supporting shaft is arranged between the two supporting plates, the follow-up roller is arranged at one end of each supporting plate, vertical plates are arranged at the other ends of the two supporting plates respectively, a cross beam is arranged between the top ends of the two vertical plates, the laser tracking assembly is arranged on the cross beam, the encoder assembly is arranged on one supporting plate, the probe assembly is arranged at the bottom end of each vertical plate, and the adjusting assembly is arranged on the supporting plate provided with the encoder assembly and connected with the probe assembly.

Furthermore, the laser tracking assembly comprises two laser transmitters and a transmitter switch, and the traveling track of the scanner can be effectively identified through two laser beams, so that overlarge track deviation is avoided.

Furthermore, the encoder assembly comprises a mounting bracket arranged on the support plate, an encoder is arranged on the mounting bracket, and the encoder can be adjusted at the mounting position on the mounting bracket.

Furthermore, probe subassembly includes synthetic probe, flexible tire and fixed disk, the fixed disk includes two and relative riser bottoms that set up in both sides, flexible tire sets up between the fixed disk of both sides, sets up the mounting hole on the fixed disk, synthetic probe passes through the backup pad that the slider setting just passed both sides in the mounting hole of two fixed disks.

Furthermore, each fixed disk is also provided with a conical disk, and the flexible tire is sleeved on the conical disk.

Further, the adjusting part includes regulating plate and adjusting screw, set up the through-hole on the regulating plate, the tip of synthetic probe install extremely the through-hole is so that the regulating plate can drive synthetic probe and rotate, still sets up curved adjustment tank on the regulating plate, adjusting screw passes the adjustment tank is connected with the backup pad, can effectual adjusting probe angle through adjusting screw, guarantees the vertical incidence of probe.

Furthermore, a handle is arranged on the cross beam, so that the whole equipment can be conveniently pushed to move.

The application has the advantages that: when the universal wheel set scanner is used for detecting, the wheel tread is in contact with a detected surface, the tire is made of a flexible material, the universal wheel set scanner can adapt to scanning of wheel sets of different models, and can roll around the tread to scan, so that the detection efficiency is effectively improved; the unique tire material can ensure that high-quality ultrasonic detection similar to water immersion detection can be finished, the angle of the probe can be quickly and conveniently adjusted, and the stability of a detection result is ensured; the scanner has stable scanning and good visual field, and the track is judged by the aid of laser, so that missing detection of defects is avoided.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of a universal wheel pair scanner of the present application;

FIG. 2 is a schematic view of the structure of FIG. 1 from another view angle;

FIG. 3 is a schematic view of the probe assembly of FIG. 1;

FIG. 4 is a cross-sectional view of FIG. 3;

FIG. 5 is a schematic view of the detection structure of FIG. 1;

fig. 6 is a partial structural schematic diagram of fig. 5.

Labeled as: 10. the device comprises a supporting plate, 11, a supporting shaft, 12, a vertical plate, 13, a cross beam, 14, a laser tracking assembly, 15, an encoder, 151, a mounting bracket, 16, a probe assembly, 161, a synthetic probe, 162, a fixed disc, 163, a conical disc, 164, a flexible tire, 165, a sliding block, 17, an adjusting assembly, 171, an adjusting plate, 172, an adjusting screw, 18, a follow-up roller, 19, a roller shaft, 20, a handle, 100, a wheel pair scanner, 200, a wheel pair, 201, a wheel rim, 202 and a tread.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 4, the present embodiment provides a universal wheel pair scanner, including: a main body support; the follow-up rollers 18 comprise two groups and are arranged through roller shafts 19, two ends of the roller shafts 19 are connected to the main body bracket, and the positions of the two groups of follow-up rollers on the roller shafts can be adjusted; the laser tracking component is used for identifying the walking track of the scanner; an encoder assembly for recording flaw detection processes; the probe assembly is used for carrying out flaw detection on the wheel set; and the adjusting assembly is used for adjusting the angle of the probe assembly.

Particularly, the main part support includes two backup pads 10 that set up relatively, set up back shaft 11 between two backup pads 10, follow-up gyro wheel 18 sets up the one of them one end in backup pad 10, the other end of two backup pads sets up riser 12 respectively, set up crossbeam 13 between the top of two risers 12, laser tracking subassembly 14 sets up on the crossbeam, the encoder subassembly sets up in one of them backup pad, probe subassembly 16 sets up in riser 12 bottom, adjusting part 17 sets up and connects probe subassembly 16 in the backup pad 10 of installing the encoder subassembly.

Specifically, laser tracking subassembly 14 includes two laser emitter and transmitter switch, and laser emitter's below sets up probe assembly to in discernment scanner walking orbit, the encoder subassembly is including setting up the installing support 151 in the backup pad, sets up the mounting hole that a plurality of intervals set up on the installing support, and encoder 15 sets up in installing support below and swing joint to mounting hole.

Specifically, the probe assembly comprises a composite probe 161, a flexible tire 164 and a fixed disk 162, wherein the fixed disk 162 comprises two vertical plates which are oppositely arranged at the bottoms of the two sides of the vertical plates, the flexible tire 164 is arranged between the fixed disks at the two sides, a conical disk 163 is further arranged on the fixed disk, the flexible tire 164 is sleeved on the conical disk 163 and plays a supporting and sealing role, mounting holes are formed in the fixed disk 162 and the conical disk 163, the composite probe 161 is arranged in the mounting holes through a sliding block 165 and penetrates through supporting plates at the two sides, preferably, the conical disk 163 is provided with a water injection hole which can conveniently inject water into an inner cavity of the flexible tire 164 from the outside, the conical disk 163 is in screw connection with the fixed disk 162 and is in contact with an outer ring of the sliding block 165, and round rods at two ends of the composite probe 161 are in contact with an inner ring of the sliding block 165, so that the purpose of constant incidence of the probe angle is ensured when the flexible self-adaptive probe assembly 200 is rolled and scanned.

Specifically, the adjusting assembly 17 includes an adjusting plate 171 and an adjusting screw 172, a through hole is opened on the adjusting plate 171, the end of the composite probe 161 is mounted to the through hole so that the adjusting plate can drive the composite probe to rotate, an arc-shaped adjusting groove is also opened on the adjusting plate 171, and the adjusting screw 172 passes through the adjusting groove and is connected with the supporting plate 10.

Preferably, the cross beam 13 is provided with a handle 20, the handle 20 and the laser tracking assembly 14 are respectively arranged on two sides of the cross beam, wherein the handle is arranged at one side close to the follow-up roller 18, the follow-up roller 18 is in flat contact with the roller shaft 19 by a set screw, so that the follow-up roller rotates along with the roller shaft, and the axial distance of the follow-up roller can be adjusted to adapt to different widths.

The working principle is as follows: referring to fig. 5-6, during detection, the tread of the flexible tire 164 on the wheel set scanner 100 of the present application is in contact with the tread 202 of the wheel set 200 and is scanned by rolling around the tread, and during scanning, the direction of the synthetic probe 161 is always perpendicular to the detected surface.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a general wheel pair scanner which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

a main body support;

the follow-up rollers comprise two groups and are arranged through roller shafts, two ends of each roller shaft are connected to the main body bracket, and the two groups of follow-up rollers can adjust positions on the roller shafts;

2. The universal wheel pair scanner as claimed in claim 1, wherein: the laser tracking device comprises a main body support and a servo roller, wherein the main body support comprises two support plates which are arranged oppositely, a support shaft is arranged between the two support plates, the servo roller is arranged at one end of each support plate, the other ends of the two support plates are respectively provided with a vertical plate, a cross beam is arranged between the top ends of the two vertical plates, a laser tracking assembly is arranged on the cross beam, an encoder assembly is arranged on one support plate, the probe assembly is arranged at the bottom end of the vertical plate, and an adjusting assembly is arranged on the support plate provided with the encoder assembly and connected with the probe assembly.

3. The universal wheel pair scanner as claimed in claim 2, wherein: the laser tracking assembly includes two laser emitters and an emitter switch.

4. The universal wheel pair scanner as claimed in claim 2, wherein: the encoder assembly comprises a mounting bracket arranged on the supporting plate, an encoder is arranged on the mounting bracket, and the encoder can be adjusted at the mounting position on the mounting bracket.

5. The universal wheel pair scanner as claimed in claim 2, wherein: the probe assembly comprises a combined probe, flexible tires and a fixed disk, wherein the fixed disk comprises two vertical plates which are oppositely arranged at two sides of the fixed disk, the flexible tires are arranged between the fixed disks at the two sides, mounting holes are formed in the fixed disks, and the combined probe is arranged in the mounting holes of the two fixed disks through sliding blocks and penetrates through the supporting plates at two sides.

6. A universal wheel-pair scanner according to claim 5, wherein: each fixed disk is also provided with a conical disk, and the flexible tire is sleeved on the conical disk.

7. The universal wheel pair scanner of claim 6, wherein: the adjusting assembly comprises an adjusting plate and an adjusting screw, a through hole is formed in the adjusting plate, the end part of the synthetic probe is installed in the through hole so that the adjusting plate can drive the synthetic probe to rotate, an arc-shaped adjusting groove is formed in the adjusting plate, and the adjusting screw penetrates through the adjusting groove and is connected with the supporting plate.

8. A universal wheel-pair scanner according to claim 2, wherein: the beam is provided with a handle.