CN202794117U - Special wear-resisting plate for online ultrasonic flaw detection on heavy rail - Google Patents
Special wear-resisting plate for online ultrasonic flaw detection on heavy rail Download PDFInfo
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- CN202794117U CN202794117U CN201220456731.3U CN201220456731U CN202794117U CN 202794117 U CN202794117 U CN 202794117U CN 201220456731 U CN201220456731 U CN 201220456731U CN 202794117 U CN202794117 U CN 202794117U
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- wear
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- heavy rail
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Abstract
The utility model discloses a special wear-resisting plate for online ultrasonic flaw detection on a heavy rail. The special wear-resisting plate comprises a wear-resisting base material plate which is provided with step holes for fixing the wear-resisting plate on a probe box, and a probe installing holes for installing a probe, wherein a wear-resisting coating covers the side surface, contacting a rail web of the heavy rail, of the wear-resisting base material plate. The special wear-resisting plate has the beneficial effects that as the wear-resisting coating covers the side surface, contacting the rail web of the heavy rail, of the wear-resisting base material plate, the replace frequency of the wear-resisting plate for the probe of the rail web of the heavy rail is reduced, and the damage to the probe caused by the wearing of the wear-resisting plate is alleviated, therefore, the cost of the probe is saved, and the accuracy rate of the flaw detection on the rail web of the heavy rail is improved.
Description
Technical field
The utility model relates to heavy rail line flaw detection equipment, refers to particularly a kind of heavy rail ultrasonic online flaw detecting Special wear-resistant plate.
Background technology
For guaranteeing safety of railway traffic, in the Heavy-rail Production process, need pursue heavy rail and prop up, the online UT (Ultrasonic Testing) of total length.In the heavy rail line flaw detection process, the probe cassette that probe, wearing plate are housed is resisted against the web of the rail face of rail to be checked, and the between water flowing is coupled, wearing plate and heavy rail rail web remain close contact, wearing plate maintains static, heavy rail flows at production line, thereby finishes the flaw detection to whole section web of the rail face.
Because of the reason such as heavy rail self flatness error or rail transporting roller-way center line and wearing plate air spots be capable, behind the heavy rail of the certain tonnage of every detection, the local excessive wear phenomenon will appear in wearing plate.After the wearing plate excessive wear, probe and the heavy rail rail web face that can cause being installed in the wearing plate come in contact, and so not only can affect the serviceable life of probe, and can cause popping one's head in and rail between coupling in bad order, easily cause and fail to judge and judge by accident.
At present, the on-the-spot wearing plate that uses is the monoblock steel plate, is provided with three probe mounting holes on the wearing plate, and 6 probes are adopted in web of the rail flaw detection altogether, is divided in two probe cassettes with wearing plate by the mounting hole of popping one's head in.Wearing plate not only can not be coupled with rail on version fully, and wearing quality is inadequate, and serviceable life is short, and generally can only detect several kilotons just needs to change.If change untimelyly, both can damage expensive probe, can cause again the rising of False Rate.
Summary of the invention
The purpose of this utility model will overcome the existing deficiency of prior art exactly, provides a kind of anti-wear performance more excellent heavy rail ultrasonic online flaw detecting Special wear-resistant plate.
For achieving the above object, the heavy rail ultrasonic online flaw detecting Special wear-resistant plate that the utility model is designed, comprise wear-resisting backing material plate, be provided with on the described wear-resisting backing material plate be used to being fixed in the shoulder hole on the probe cassette and the probe mounting hole of probe be used for to be installed, be coated with one deck wear-resistant coating on described wear-resisting backing material plate and the side that heavy rail rail web contacts.
In the such scheme, the coating thickness of described wear-resistant coating is 0.25mm.Like this, can obtain the coating of high-compactness, improve wearing quality.
In the such scheme, the two ends of described wear-resisting backing material plate have been provided with the wedge of entrance guide effect, and the two sides of described wedge all form angle α=30 ~ 40 degree with the side of wear-resisting backing material plate.Like this, be convenient to wearing plate by in the wedge guiding heavy rail rail web.
Preferably, the two sides of described wedge all form angle α=35 degree with the side of wear-resisting backing material plate.
Preferably, two of described wear-resisting backing material plate sides are parallel to each other.Like this, can make the wearing plate surface as far as possible parallel with rail transporting roller-way center line.
Wear-resisting backing material plate is selected the carbon structure 45# steel that is most widely used, this steel good combination property, and cost is low.
The raw material of wear-resistant coating is: 10Co4Cr/WC, size of powder particles are 10 ~ 45 μ m.
The beneficial effects of the utility model are: cover one deck wear-resistant coating by the side that contacts with heavy rail rail web at wear-resisting backing material plate, significantly reduced the replacement frequency of heavy rail rail web probe wearing plate, reduced the damage that probe causes because of the wearing plate wearing and tearing, not only save the probe cost, and improved heavy rail rail web carrying out flaw detection accuracy rate.
Description of drawings
Fig. 1 is the structural representation of heavy rail ultrasonic online flaw detecting Special wear-resistant plate.
Fig. 2 is the plan structure synoptic diagram of Fig. 1.
Fig. 3 is the A-A structural representation of Fig. 2.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
The Special wear-resistant of heavy rail ultrasonic online flaw detecting shown in Fig. 1 ~ 3 plate comprises wear-resisting backing material plate 1, is provided with on the wear-resisting backing material plate 1 be used to being fixed in the shoulder hole 3 on the probe cassette and being used for installing the probe mounting hole 4 of popping one's head in.Be coated with one deck wear-resistant coating 2 on wear-resisting backing material plate 1 and the side that heavy rail rail web contacts, the coating thickness of wear-resistant coating 2 is 0.25mm.
The two ends of wear-resisting backing material plate 1 have been provided with the wedge 5 of entrance guide effect, and the two sides of wedge 5 all form angle α=30 ~ 40 degree with the side of wear-resisting backing material plate 1.The two sides of wedge 5 all form angle α=35 degree with the side of wear-resisting backing material plate 1.Two sides of wear-resisting backing material plate 1 are parallel to each other.
Wear-resisting backing material plate 1 is selected the carbon structure 45# steel that is most widely used, this steel good combination property, and cost is low.
The raw material of wear-resistant coating 2 is: 10Co4Cr/WC, size of powder particles are 10 ~ 45 μ m.
To carrying out derusting by sandblast, electrochemical deoiling pre-service on the wear-resisting backing material plate 1, with 60 order corundum sands wear-resisting backing material plate 1 is carried out the sandblast roughening treatment more first, make its surfaceness reach 2 ~ 3 grades, sandblast is apart from 150mm ~ 200mm, and the sandblast angle is 70o ~ 80o.Blow off with pressurized air again after the sandblast, clean with absolute ethyl alcohol again after complete.At last, with supersonic velocity flame plating equipment the raw material of wear-resistant coating 2 is sprayed to wear-resisting backing material plate 1 surface of processing, coating thickness is 0.25mm, thereby obtain the coating of high-compactness, its porosity is lower than 1.5%, the coating macrohardness is more than 70HRA, and anchoring strength of coating is greater than 90MPa, and anti-wear performance is 5 times of base material 45# steel.
Spraying parameter is: oxygen pressure is 1.2MPa, and flow is 290L/min, and propane pressure is 0.65MPa, and flow is 75L/min, and air pressure is 0.7MPa, and flow is 400L/min, and Hydrogen Vapor Pressure is 0.35Mpa, and powder feeding gas is N
2, pressure is 1.3MPa, and flow is 16L/min, and spray distance is 300mm.Spray complete after, carry out again machine work, processing shoulder hole 3, probe mounting hole 4 and wedge 5 etc.
Claims (5)
1. heavy rail ultrasonic online flaw detecting Special wear-resistant plate, comprise wear-resisting backing material plate (1), be provided with on the described wear-resisting backing material plate (1) be used to being fixed in the shoulder hole (3) on the probe cassette and the probe mounting hole (4) of probe be used for being installed, it is characterized in that: be coated with one deck wear-resistant coating (2) on described wear-resisting backing material plate (1) and the side that heavy rail rail web contacts.
2. heavy rail ultrasonic online flaw detecting Special wear-resistant plate according to claim 1, it is characterized in that: the coating thickness of described wear-resistant coating (2) is 0.25mm.
3. heavy rail ultrasonic online flaw detecting Special wear-resistant plate according to claim 1, it is characterized in that: the two ends of described wear-resisting backing material plate (1) have been provided with the wedge (5) of entrance guide effect, and the two sides of described wedge (5) all form angle α=30 ~ 40 degree with the side of wear-resisting backing material plate (1).
4. heavy rail ultrasonic online flaw detecting Special wear-resistant plate according to claim 3 is characterized in that: the two sides of described wedge (5) all form angle α=35 degree with the side of wear-resisting backing material plate (1).
5. heavy rail ultrasonic online flaw detecting Special wear-resistant plate according to claim 4, it is characterized in that: two sides of described wear-resisting backing material plate (1) are parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220456731.3U CN202794117U (en) | 2012-09-07 | 2012-09-07 | Special wear-resisting plate for online ultrasonic flaw detection on heavy rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220456731.3U CN202794117U (en) | 2012-09-07 | 2012-09-07 | Special wear-resisting plate for online ultrasonic flaw detection on heavy rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202794117U true CN202794117U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220456731.3U Expired - Lifetime CN202794117U (en) | 2012-09-07 | 2012-09-07 | Special wear-resisting plate for online ultrasonic flaw detection on heavy rail |
Country Status (1)
| Country | Link |
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| CN (1) | CN202794117U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114235948A (en) * | 2021-12-24 | 2022-03-25 | 仓信无损检测设备苏州有限公司 | Flaw detection wear-resistant block |
-
2012
- 2012-09-07 CN CN201220456731.3U patent/CN202794117U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114235948A (en) * | 2021-12-24 | 2022-03-25 | 仓信无损检测设备苏州有限公司 | Flaw detection wear-resistant block |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170718 Address after: 430083, Hubei Wuhan Qingshan District Factory No. 2 Gate joint stock company organs Patentee after: WUHAN IRON AND STEEL Co.,Ltd. Address before: 15 Wuchang, Wuhan Friendship Avenue, No. 999, block A, layer (Wuhan Iron and steel science and technology innovation department), No. 430080, Patentee before: WUHAN IRON AND STEEL (GROUP) Corp. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |