CN205003124U - Wheel of detecting a flaw - Google Patents
Wheel of detecting a flaw Download PDFInfo
- Publication number
- CN205003124U CN205003124U CN201520728977.5U CN201520728977U CN205003124U CN 205003124 U CN205003124 U CN 205003124U CN 201520728977 U CN201520728977 U CN 201520728977U CN 205003124 U CN205003124 U CN 205003124U
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- China
- Prior art keywords
- wheel
- flaw detection
- ultrasonic probe
- locating slot
- flaw
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model provides a wheel of detecting a flaw, roll including wheel of detecting a flaw and take turns (1), sealing washer (2), angular contact ball bearing (3), hollow shaft (4), ultrasonic transducer line (5), wheel type probe constant head tank (6), ultrasonic transducer (7), coupling medium (8), bearing end plate (9), support (10), bearing frame (12). Survey the in -process in the car test of detecting a flaw, adopt two novel wheel of detecting a flaw, can have 8 passageways to be used for the rail to detect a flaw. There are 4 70 passageways, 2 37 passageways, 20 passageways. Compare with instrument of the same kind, strengthened examining sweeping of hindering to the railhead and looked into density, compensatied the detection blind zone of like product jaw portion triangular space, improved the defect recall rate.
Description
Technical field
The utility model belongs to steel rail flaw detection technology field, is specifically related to a kind of Novel flaw detection wheel.
Background technology
Existing railway defect-detecting equipment generally includes hand propelled inspection car and motor-driven inspection car, the ultrasonic probe of hand propelled inspection car directly contacts with rail, along with the rolling of wheel, trolley moves on rail, and ultrasonic probe also slides thereupon on rail, applies this ultrasonic probe, not only can cause the outer field wearing and tearing of ultrasonic probe, and the joint between the depression or two rail of Rail Surface, the generation of ultrasonic probe stuck phenomenon can be caused, cause the damage of ultrasonic probe; In addition, in order to by ultrasonic wave-coupled in rail, usually the very thin water-bed line of one deck must be noted between ultrasonic probe and rail, rail is imported and energy attenuation is very little to enable ultrasound wave, because the probe be contained at present on hand propelled inspection car is generally four, need from three water fillings, therefore with very large water tank, this makes hand propelled rail-defect detector car become very heavy.
Utility model content
The purpose of this utility model be in order to overcome the deficiencies in the prior art provide a kind of efficient work, flaw detection comprehensively, undetected Novel flaw detection wheel can not be caused.
A flaw detection wheel, comprises flaw detection wheel scroll wheel, O-ring seal, angular contact ball bearing, tubular shaft, ultrasonic probe lines, wheel seach unit locating slot, ultrasonic probe, couplant, bearing (ball) cover, support, bearing seat, the both sides of the inside of described flaw detection wheel scroll wheel are provided with O-ring seal, the inside of described flaw detection wheel scroll wheel is provided with tubular shaft and wheel seach unit locating slot, described wheel seach unit locating slot is set on described tubular shaft, ultrasonic probe is connected with ultrasonic probe lines, described ultrasonic probe lines is drawn from tubular shaft, described ultrasonic probe and flaw detection are taken turns between scroll wheel and are provided with couplant, support has the installed surface of ultrasonic probe and installed surface is connected with wheel seach unit locating slot, angular contact ball bearing is arranged in bearing seat, angular contact ball bearing is positioned at the outside of O-ring seal, described angular contact ball bearing outer setting has bearing (ball) cover, described bearing seat is taken turns scroll wheel with flaw detection and is connected.
As further improvement of the utility model, described support has the installed surface of three ultrasonic probes and installed surface is connected with wheel seach unit locating slot screw.
As further improvement of the utility model, described bearing seat is taken turns scroll wheel with flaw detection and is connected by studs, is screwed with hexagonal nut above studs.
As further improvement of the utility model, the number of described O-ring seal and angular contact ball bearing is two.
As further improvement of the utility model, described wheel seach unit locating slot has three and linear arrangement, and described ultrasonic probe is arranged in locating slot, and ultrasonic probe has three.
As further improvement of the utility model, adopt the probe at two setting angle deflections, 20 ° of angles, 70 °, refraction angle; A coupling probe: 0 °+refraction angle is 37 ° of acoustic beams ultrasonic probes forward.
As further improvement of the utility model, adopt the ultrasonic probe at two setting angle deflections, 0 ° of angle, 70 °, refraction angle, a coupling probe: 0 °+refraction angle is 37 ° of acoustic beams ultrasonic probes backward.
As further improvement of the utility model, support has the opening of hollow, and opening is rectangle, and four bights of installed surface have through hole, and the mode be threaded connection makes support be fixed together with probe locating slot.
The beneficial effects of the utility model are:
In inspection car testing process, adopt two Novel flaw detection wheels, 8 passages can be had for rail examination.There are 4 70 ° of passages, 2 37 ° of passages, 20 ° of passages.Compared with same quasi-instrument, strengthen the scanning density to rail head core wound, compensate for the detection blind area of trigonum, like product jaw portion, improve the recall rate of defect; Compared with popping one's head in skid shoe type, Novel flaw detection wheel is rolling friction with Rail Surface in motion process, reduce the wearing and tearing to the abrasion of Rail Surface and probe thin layer, simultaneously, couplant 8 leaves between flaw detection wheel roller 1 and ultrasonic probe 7, sealed by O-ring seal 2, can effectively avoid ultrasonic probe directly to contact with Rail Surface, thus ensure the serviceable life of ultrasonic probe; In addition, installed concentratedly by multiple ultrasonic probe in a Novel flaw detection wheel, make the water filling port of whole ultrasonic probe be kept to two, equipment is light easy-to-use.In a word, the utility model have that structure is simple, operation and maintenance convenience, efficient work, flaw detection comprehensively, undetected advantage can not be caused.
Accompanying drawing explanation
Fig. 1 is the three-dimensional explosive view of a kind of Novel flaw detection of the utility model wheel;
Fig. 2 is the structural representation of a kind of Novel flaw detection wheel of the utility model;
Fig. 3 is that a kind of Novel flaw detection wheel of the utility model ultrasonic probe adopts array configuration (1) to carry out the structural representation of detecting a flaw;
Fig. 4 is that a kind of Novel flaw detection wheel of the utility model ultrasonic probe adopts array configuration (2) to carry out the structural representation of detecting a flaw;
Fig. 5 is the sectional view of a kind of Novel flaw detection wheel of the utility model probe bracket, the C-C cut-open view namely in Fig. 2;
Fig. 6 is a kind of Novel flaw detection wheel of the utility model refraction angle is the sectional view that 37 ° of acoustic beams ultrasonic probe forward detects defect, the A-A cut-open view namely in Fig. 3;
Fig. 7 is a kind of Novel flaw detection wheel of the utility model refraction angle is the sectional view that 37 ° of acoustic beams ultrasonic probe backward detects defect, the B-B cut-open view namely in Fig. 4.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
As depicted in figs. 1 and 2, Fig. 1 is the three-dimensional explosive view of a kind of Novel flaw detection of the utility model wheel, and Fig. 2 is the structural representation of a kind of Novel flaw detection wheel of the utility model.
In figure: 1, flaw detection wheel scroll wheel 2, O-ring seal 3, angular contact ball bearing 4, tubular shaft 5, probe wire 6, wheel seach unit locating slot 7, ultrasonic probe 8, couplant 9, bearing (ball) cover 10, support 11, screw 12, bearing seat 13, studs 14, hexagonal nut.
A kind of Novel flaw detection wheel, comprise flaw detection wheel scroll wheel 1, the both sides of the inside of described flaw detection wheel scroll wheel 1 are provided with O-ring seal 2, the inside of described flaw detection wheel scroll wheel 1 is provided with tubular shaft 4 and wheel seach unit locating slot 6, described wheel seach unit locating slot 6 is set on described tubular shaft 4, ultrasonic probe 7 is connected with ultrasonic probe lines 5, described ultrasonic probe lines 5 is drawn from tubular shaft 4, described ultrasonic probe 7 and flaw detection are taken turns between scroll wheel 1 and are provided with couplant 8, support 10 has the installed surface of three ultrasonic probes 7 and installed surface is connected with wheel seach unit locating slot 6 screw 11,
Angular contact ball bearing 3 is arranged in bearing seat 12, angular contact ball bearing 3 is all positioned at the outside of O-ring seal 2, described angular contact ball bearing 3 outer setting has bearing (ball) cover 9, described bearing seat 12 is taken turns scroll wheel 1 with flaw detection and is connected by studs 13, and studs 13 is screwed with hexagonal nut 14 above.
Described O-ring seal 2 is two with the number of angular contact ball bearing 3.
The number of described ultrasonic probe 7 is three.
The number of described screw 11 is six.
The number of described studs 13 is 12.
The number of described hexagonal nut 14 is 12.
Described couplant 8 is also known as couplant.The effect of couplant is to get rid of the air between probe and surface of the work, in order to enable ultrasound wave effectively import workpiece into, needs to fill couplant between ultrasonic probe 7 and flaw detection wheel scroll wheel 1.In Ultrasonic Detection, conventional couplant has water, glycerine, machine oil, water glass etc., because machine oil viscosity, mobility, adhesion are suitable, corrosion-free to workpiece, price is also inexpensive, preferably, in the present embodiment, adopts machine oil as couplant 8.
Fig. 3 is that a kind of Novel flaw detection wheel of the utility model ultrasonic probe adopts array configuration (1) to carry out the structural representation of detecting a flaw, described Novel flaw detection wheel wheel seach unit locating slot 6 has three and linear arrangement, described ultrasonic probe 7 is arranged in locating slot 6, ultrasonic probe 7 has three, the probe at two setting angle deflections, 20 ° of angles, 70 °, refraction angle can be adopted, detect the rail head core wound of rail, rail head transversal crack and steel rail welding line position be mingled with the defect such as pore and crackle; 1 coupling probe: 0 °+refraction angle is 37 ° of acoustic beams ultrasonic probes forward, 0 ° of ultrasonic probe detects horizontal crackle, the screw horizontal crackle rail level of rail; Refraction angle is bolt hole crack, the flange of rail crackle that 37 ° of acoustic beams ultrasonic probe forward mainly detects rail.
Fig. 4 is that a kind of Novel flaw detection wheel of the utility model ultrasonic probe adopts array configuration (2) to carry out the structural representation of detecting a flaw, described Novel flaw detection wheel wheel seach unit locating slot 6 has three and linear arrangement, described ultrasonic probe 7 is arranged in locating slot 6, ultrasonic probe 7 has three, two setting angle deflections, 0 ° of angle can be adopted, the ultrasonic probe that refraction angle is 70 °, detect the rail head core wound of rail, rail head transversal crack and steel rail welding line position be mingled with the defect such as pore and crackle, make up setting angle deflection 20 ° of angles, the position that the ultrasonic probe that refraction angle is 70 ° can't detect, 1 coupling probe: 0 °+refraction angle is 37 ° of acoustic beams ultrasonic probes backward, 0 ° of ultrasonic probe detects horizontal crackle, the screw horizontal crackle rail level of rail, refraction angle is bolt hole crack, the flange of rail crackle that 37 ° of acoustic beams ultrasonic probe forward mainly detects rail.
Fig. 5 is the sectional view of a kind of Novel flaw detection wheel of the utility model probe bracket, and support has the opening of hollow, and shape is as one " window ", and ultrasonic probe 7 is rectangle, and therefore installed surface is also rectangle.Four bights of installed surface have through hole, so that the mode be threaded connection makes support 10 be fixed together with probe locating slot 6, ultrasonic probe 7 can be fixed in locating slot 6.
Fig. 6 is a kind of Novel flaw detection wheel of the utility model refraction angle is the sectional view that 37 ° of acoustic beams ultrasonic probe forward detects defect, and this ultrasonic probe mainly detects bolt hole crack, the flange of rail crackle of rail.
Fig. 7 is a kind of Novel flaw detection wheel of the utility model refraction angle is the sectional view that 37 ° of acoustic beams ultrasonic probe backward detects defect, and this ultrasonic probe mainly detects bolt hole crack, the flange of rail crackle of rail.
In inspection car testing process, adopt two Novel flaw detection wheels, 8 passages can be had for rail examination.There are 4 70 ° of passages, 2 37 ° of passages, 20 ° of passages.Compared with same quasi-instrument, strengthen the scanning density to rail head core wound, compensate for the detection blind area of trigonum, like product jaw portion, improve defect detection rate.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection domain of the present utility model.
Claims (8)
1. a flaw detection wheel, is characterized in that: comprise flaw detection wheel scroll wheel (1), O-ring seal (2), angular contact ball bearing (3), tubular shaft (4), ultrasonic probe lines (5), wheel seach unit locating slot (6), ultrasonic probe (7), couplant (8), bearing (ball) cover (9), support (10), bearing seat (12), the both sides of the inside of described flaw detection wheel scroll wheel (1) are provided with O-ring seal (2), the inside of described flaw detection wheel scroll wheel (1) is provided with tubular shaft (4) and wheel seach unit locating slot (6), described wheel seach unit locating slot (6) is set on described tubular shaft (4), ultrasonic probe (7) is connected with ultrasonic probe lines (5), described ultrasonic probe lines (5) is drawn from tubular shaft (4), described ultrasonic probe (7) and flaw detection are taken turns between scroll wheel (1) and are provided with couplant (8), support (10) has the installed surface of ultrasonic probe (7) and installed surface is connected with wheel seach unit locating slot (6), angular contact ball bearing (3) is arranged in bearing seat (12), angular contact ball bearing (3) is positioned at the outside of O-ring seal (2), described angular contact ball bearing (3) outer setting has bearing (ball) cover (9), described bearing seat (12) is taken turns scroll wheel (1) with flaw detection and is connected.
2. one flaw detection wheel according to claim 1, is characterized in that: described support (10) has the installed surface of three ultrasonic probes (7) and installed surface is connected with wheel seach unit locating slot (6) screw (11).
3. one flaw detection wheel according to claim 1, it is characterized in that: described bearing seat (12) is taken turns scroll wheel (1) with flaw detection and is connected by studs (13), and studs (13) is screwed with hexagonal nut (14) above.
4. one flaw detection wheel according to claim 1, is characterized in that: described O-ring seal (2) is two with the number of angular contact ball bearing (3).
5. one flaw detection wheel according to claim 1, it is characterized in that: described wheel seach unit locating slot (6) has three and linear arrangement, described ultrasonic probe (7) is arranged in locating slot (6), and ultrasonic probe (7) has three.
6. one flaw detection wheel according to claim 5, is characterized in that: the probe adopting two setting angle deflections, 20 ° of angles, 70 °, refraction angle; A coupling probe: 0 °+refraction angle is 37 ° of acoustic beams ultrasonic probes forward.
7. one flaw detection wheel according to claim 5, is characterized in that: the ultrasonic probe adopting two setting angle deflections, 0 ° of angle, 70 °, refraction angle, a coupling probe: 0 °+refraction angle is 37 ° of acoustic beams ultrasonic probes backward.
8. one flaw detection wheel according to claim 5, it is characterized in that: support (10) has the opening of hollow, opening is rectangle, four bights of installed surface have through hole, and the mode be threaded connection makes support (10) be fixed together with probe locating slot (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520728977.5U CN205003124U (en) | 2015-09-18 | 2015-09-18 | Wheel of detecting a flaw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520728977.5U CN205003124U (en) | 2015-09-18 | 2015-09-18 | Wheel of detecting a flaw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205003124U true CN205003124U (en) | 2016-01-27 |
Family
ID=55160007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520728977.5U Expired - Fee Related CN205003124U (en) | 2015-09-18 | 2015-09-18 | Wheel of detecting a flaw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205003124U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153734A (en) * | 2016-09-06 | 2016-11-23 | 合肥超科电子有限公司 | Secondary wave wheel seach unit support and probe |
| CN110470741A (en) * | 2019-09-10 | 2019-11-19 | 常州春雷电子高新技术有限公司 | Wheel axle end surface reflectoscope |
| CN112903819A (en) * | 2019-12-03 | 2021-06-04 | 哈尔滨工业大学 | Large-scale high-speed rotation equipment defect detection method based on ultrasonic principle |
| CN113567549A (en) * | 2021-06-23 | 2021-10-29 | 武汉钢铁有限公司 | Probe detector for detecting transverse defects inside a railhead |
| CN114889670A (en) * | 2022-05-16 | 2022-08-12 | 广西大学 | Remote control inspection device for turnout large component rail |
-
2015
- 2015-09-18 CN CN201520728977.5U patent/CN205003124U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153734A (en) * | 2016-09-06 | 2016-11-23 | 合肥超科电子有限公司 | Secondary wave wheel seach unit support and probe |
| CN110470741A (en) * | 2019-09-10 | 2019-11-19 | 常州春雷电子高新技术有限公司 | Wheel axle end surface reflectoscope |
| CN110470741B (en) * | 2019-09-10 | 2024-03-15 | 常州春雷电子高新技术有限公司 | Ultrasonic flaw detector for end face of wheel axle |
| CN112903819A (en) * | 2019-12-03 | 2021-06-04 | 哈尔滨工业大学 | Large-scale high-speed rotation equipment defect detection method based on ultrasonic principle |
| CN113567549A (en) * | 2021-06-23 | 2021-10-29 | 武汉钢铁有限公司 | Probe detector for detecting transverse defects inside a railhead |
| CN114889670A (en) * | 2022-05-16 | 2022-08-12 | 广西大学 | Remote control inspection device for turnout large component rail |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160127 Termination date: 20160918 |