CN114235948A - Flaw detection wear-resistant block - Google Patents
Flaw detection wear-resistant block Download PDFInfo
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- CN114235948A CN114235948A CN202111601729.0A CN202111601729A CN114235948A CN 114235948 A CN114235948 A CN 114235948A CN 202111601729 A CN202111601729 A CN 202111601729A CN 114235948 A CN114235948 A CN 114235948A
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- wear
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- flaw detection
- resistant block
- clamping groove
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9006—Details, e.g. in the structure or functioning of sensors
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Abstract
The invention discloses a flaw detection wear-resistant block, which comprises: the base body is provided with a tabling part with a trapezoidal cross section and a positioning part positioned below the tabling part; the upper side surface of the embedded part is provided with a clamping groove for embedding the wear-resistant block, two inclined surfaces and a horizontal surface are arranged in the clamping groove, the horizontal surface and the two inclined surfaces are covered with the wear-resistant blocks, and two ends of the clamping groove are wavy; wear-resistant screws are arranged at two ends of the horizontal plane, so that an abutting surface of the wear-resistant screws and the wear-resistant plates forms an acute angle based on the horizontal plane; the inner side of the embedding part is provided with three inner cavities which respectively correspond to the three wear-resisting plates. This application makes its inside have three inner chambers through having designed a brand-new base member to be suitable for different magnetic cores, whole magnetic core and wait to detect the distance between reducing, increase the degree of accuracy.
Description
Technical Field
The invention relates to the technical field of probe flaw detection wear-resistant blocks, in particular to a flaw detection wear-resistant block.
Background
The eddy current detection is a nondestructive detection method based on the principle of electromagnetic induction, and is suitable for conductive materials, when a conductor is placed in an alternating magnetic field, an induced current exists in the conductor, so that eddy current is generated, the change of the induced current can be caused by various factors of the conductor, such as the change of conductivity, magnetic conductivity, shape, size, defects and the like, and the detection method for judging the property and state of the conductor by utilizing the phenomenon is called eddy current detection. The end part of the detection probe is a magnetic core capable of generating a magnetic field, a wear-resistant block is usually required to be added outside the magnetic core, and the conventional wear-resistant block is usually directly fixed in front of the probe, so that the distance between the magnetic core and a piece to be detected can be increased, and the flaw detection effect is further reduced.
Disclosure of Invention
The invention aims to provide a flaw detection wear-resistant block.
In order to achieve the above object, the present invention employs the following:
a flaw detection wear block comprising: the base body is provided with a tabling part with a trapezoidal cross section and a positioning part positioned below the tabling part; the upper side surface of the embedded part is provided with a clamping groove for embedding the wear-resistant block, two inclined surfaces and a horizontal surface are arranged in the clamping groove, the horizontal surface and the two inclined surfaces are covered with the wear-resistant blocks, and two ends of the clamping groove are wavy; wear-resistant screws are arranged at two ends of the horizontal plane, so that an abutting surface of the wear-resistant screws and the wear-resistant plates forms an acute angle based on the horizontal plane; the inner side of the embedding part is provided with three inner cavities which respectively correspond to the three wear-resisting plates.
Preferably, the end of the wear-resistant screw is sleeved with a threaded cap, the external thread direction of the threaded cap is opposite to the thread direction of the wear-resistant screw, and when the threaded cap rotates clockwise, the wear-resistant screw is screwed. Two sections of threads are utilized, downward pressure is guaranteed, self-rotation of the wear-resistant screw is reduced, and loosening is avoided.
Preferably, both ends of the embedding part are provided with a horizontal through hole and a vertical jack.
Preferably, the wear-resistant screws and the wear-resistant plates are made of silicon carbide ceramics. Stable chemical performance, high heat conductivity coefficient, small thermal expansion coefficient and good wear resistance.
Preferably, the inclination of the inclined surface is not more than 85 °.
Preferably, the central area of the horizontal plane is provided with a long-groove-shaped opening communicated with the middle inner cavity.
Preferably, the annular edge of the positioning part is provided with a notch.
The invention has the following advantages:
1. this application makes its inside have three inner chambers through having designed a brand-new base member to be suitable for different detection chip, whole detection chip reduces with the distance that waits to detect the piece, increases the degree of accuracy.
2. This application is through the wear-resisting piece of three separation to through two wear-resisting screws with three wear-resisting piece block in the draw-in groove, and increase in the below of wear-resisting screw and have the screw cap, even wear-resisting piece and wear-resisting screw's surface wear, through timely rotation screw cap, make wear-resisting screw tighten in the draw-in groove all the time, thereby also guaranteed the laminating quality of wear-resisting piece.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of a flaw detection wear-resistant block of the invention.
FIG. 2 is a schematic structural diagram of a flaw detection wear-resistant block and a wear-resistant block removal structure of the flaw detection wear-resistant block.
FIG. 3 is a schematic structural view of a flaw detection wear-resistant block with a wear-resistant screw inserted therein according to the present invention.
FIG. 4 is a schematic bottom view of a flaw detection wear block of the present invention.
FIG. 5 is a schematic view of the structure of a wear-resistant screw and a threaded cap of a flaw detection wear-resistant block of the invention.
Fig. 6 is a schematic structural diagram of a flaw detection wear-resistant block wear-resistant screw of the invention.
In the figures, the various reference numbers are:
1-base body, 2-embedding part, 201-clamping groove, 202-inclined surface, 203-horizontal surface, 2031-opening, 204-through hole, 205-insertion hole, 3-positioning part, 301-notch, 4-wear-resisting plate, 5-wear-resisting screw, 501-screw cap and 6-inner cavity.
Detailed Description
In order to more clearly illustrate the invention, the invention is further described below in connection with preferred embodiments. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 6, a flaw-detecting wear-resistant block includes: the base body 1 is provided with a fitting part 2 with a trapezoidal cross section and a positioning part 3 positioned below the fitting part 2; the upper side surface of the embedding part 2 is provided with a clamping groove 201 for embedding the wear-resistant block, two inclined surfaces 202 and a horizontal surface 203 are arranged in the clamping groove 201, the horizontal surface 203 and the two inclined surfaces 202 are both covered with the wear-resistant plate 4, and two ends of the clamping groove 201 are wavy; wear-resistant screws 5 are arranged at two ends of the horizontal plane, so that the abutting surfaces of the wear-resistant screws 5 and the wear-resistant plates 4 form an acute angle based on the horizontal plane 203; the fitting part 2 has three inner cavities 6 inside, and corresponds to the three wear plates 4, respectively.
It can be understood that the wear plate in this application is not fixedly connected with the clamping groove, and is clamped with the clamping groove through two wear-resistant screws. Its design aim at, work pieces such as wear-resisting piece long-time contact rail, the wearing and tearing speed is very fast, when preliminary wearing and tearing, in time screws up the screw cap of wear-resisting screw, guarantees the fastening quality of all wear-resisting pieces, and when wearing and tearing reached scrapped state, unscrews the screw cap, and three wear-resisting piece can drop automatically after losing the wear-resisting screw, and then the wear-resisting piece of renewal.
Further, the end of the wear-resistant screw 5 is sleeved with a threaded cap 501, the external thread direction of the threaded cap 501 is opposite to the thread direction of the wear-resistant screw 5, and when the threaded cap 501 rotates clockwise, the wear-resistant screw is screwed. Two sections of threads are utilized, downward pressure is guaranteed, self-rotation of the wear-resistant screw is reduced, and loosening is avoided.
The manufacturing method of the wear-resistant screw comprises the following steps:
(1) selecting main materials: selecting a high-hardness material with the hardness of more than HRA90, and a square or round bar of hard alloy, ceramic or silicon carbide; the hard alloy is tungsten steel and comprises the following components in percentage by mass: WC and CO: 90%, C: 0.5%, Cr: 1.5%, Cu: 1%, Mo: 2%, Mi: 0.3%, Ni: 0.25%, Fe: and (4) the balance.
Tungsten steel (hard alloy) has a series of excellent properties of high hardness, wear resistance, good strength and toughness, heat resistance, corrosion resistance and the like, particularly high hardness and wear resistance, and basically keeps unchanged even at a temperature of 500 ℃, and still has high hardness at 1000 ℃.
(2) Preliminary cutting: cutting the selected main material into a plurality of equally spaced segment blanks; and sawing into section blanks according to the size of the drawing.
(3) Primary grinding: polishing one end of a cutting surface of the section blank by a polishing device; the grinding apparatus is a grinding wheel grinder.
(4) Rough machining: cutting the segment blank to form a wear-resistant screw blank which comprises a cylindrical part and an end head part; when the section blank is cut, the rotating speed of a cutting tool is 5000r/min, and the cutting amount of each feed is 0.12-0.15 mm.
In particular, when cutting the segment blank, after the cutting is performed for 0.12mm, the cutting tool needs to be withdrawn, and the segment blank is cut in the direction of replacement, namely, the segment blank is cut from a plurality of surfaces of the segment blank step by step.
(5) And (3) thread machining: clamping the rough-machined segment blank on tool grinding equipment or special thread grinding equipment, and grinding the cylindrical part in a thread manner;
(6) finish machining: cutting the end head part of the section blank to enable one side surface of the end head part to be an inclined surface; the cylindrical part is connected with the end head part in a curved surface manner to manufacture a wear-resistant thread block with the drawing size;
and (3) size detection: and detecting the outer diameter, the inner diameter, the intermediate diameter, the thread pitch, the lead, the thread form angle and the thread lead angle of the wear-resistant thread block, and packaging the wear-resistant thread block with the qualified size.
Both ends of the embedding part 2 are provided with a horizontal through hole 204 and a vertical jack 205. Which is used to connect external inspection components.
Further, the wear-resistant screws 5 and the wear-resistant plates 4 are made of silicon carbide ceramics. Stable chemical performance, high heat conductivity coefficient, small thermal expansion coefficient and good wear resistance. The wear resistance of the material can be improved, and the service life of the material is prolonged by 1-2 times; the high-grade refractory material has the advantages of thermal shock resistance, small volume, light weight, high strength and good energy-saving effect.
The slope of the inclined surface 202 is not greater than 85 °. Considering the working condition of the flaw detection wear-resistant head and the working habit of a user, the inclined plane is designed to allow the worker to have working errors such as shaking and inclining, and the flaw detection accuracy is improved.
The central area of the horizontal plane 203 is provided with a long groove type opening 2031 communicated with the middle inner cavity. And the obstruction between a detection chip and a detection surface is reduced, wherein the detection chip comprises various types such as a magnetic core, an eddy current coil and the like.
The annular edge of the positioning part 3 is provided with a notch 301 for being adapted to an external connecting piece.
It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it will be obvious to those skilled in the art that other variations or modifications may be made on the basis of the above description, and all embodiments may not be exhaustive, and all obvious variations or modifications may be included within the scope of the present invention.
Claims (7)
1. A flaw detection wear resistant block, comprising: the base body is provided with a tabling part with a trapezoidal cross section and a positioning part positioned below the tabling part; the upper side surface of the embedded part is provided with a clamping groove for embedding the wear-resistant block, two inclined surfaces and a horizontal surface are arranged in the clamping groove, the horizontal surface and the two inclined surfaces are covered with the wear-resistant blocks, and two ends of the clamping groove are wavy; wear-resistant screws are arranged at two ends of the horizontal plane, so that an abutting surface of the wear-resistant screws and the wear-resistant plates forms an acute angle based on the horizontal plane; the inner side of the embedding part is provided with three inner cavities which respectively correspond to the three wear-resisting plates.
2. The flaw detection wear-resistant block according to claim 1, wherein a threaded cap is sleeved on an end portion of the wear-resistant screw, the external thread direction of the threaded cap is opposite to the thread direction of the wear-resistant screw, and when the threaded cap is rotated clockwise, the wear-resistant screw is tightened.
3. The flaw detection wear-resistant block according to claim 1, wherein both ends of the embedding part are provided with a horizontal through hole and a vertical insertion hole.
4. The flaw detection wear-resistant block of claim 1, wherein the wear-resistant screws and the wear-resistant plate are made of silicon carbide ceramic.
5. The flaw detection wear-resistant block of claim 1, wherein the inclination of the inclined surface is not greater than 85 °.
6. The flaw detection wear-resistant block according to claim 1, wherein the central region of the horizontal plane is provided with an elongated slot-shaped opening communicated with the middle inner cavity.
7. The flaw detection wear-resistant block according to claim 1, wherein the annular edge of the positioning part is provided with a notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111601729.0A CN114235948A (en) | 2021-12-24 | 2021-12-24 | Flaw detection wear-resistant block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111601729.0A CN114235948A (en) | 2021-12-24 | 2021-12-24 | Flaw detection wear-resistant block |
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| Publication Number | Publication Date |
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| CN114235948A true CN114235948A (en) | 2022-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111601729.0A Pending CN114235948A (en) | 2021-12-24 | 2021-12-24 | Flaw detection wear-resistant block |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01267203A (en) * | 1989-02-28 | 1989-10-25 | Kawamoto Kogyo Kk | Wear resistance lagging material structure |
| CN202794117U (en) * | 2012-09-07 | 2013-03-13 | 武汉钢铁(集团)公司 | Special wear-resisting plate for online ultrasonic flaw detection on heavy rail |
| CN203781811U (en) * | 2014-03-16 | 2014-08-20 | 朱晓铭 | Bottle opener |
| CN105155612A (en) * | 2015-06-24 | 2015-12-16 | 柳州金特新型耐磨材料股份有限公司 | Movable wear-resisting plate structure |
| CN205263033U (en) * | 2015-12-29 | 2016-05-25 | 温州东南工业机械实业有限公司 | Antifriction plate of detecting a flaw |
| CN208828631U (en) * | 2018-09-04 | 2019-05-07 | 辽宁工程技术大学 | A kind of scraper of double chain conveyor |
| CN211174778U (en) * | 2019-12-06 | 2020-08-04 | 上海邦聚工程材料技术有限公司 | Pump case with wear-resisting lining detection device |
| CN212989760U (en) * | 2020-08-07 | 2021-04-16 | 郑州中谱仪器设备有限公司 | Auxiliary light source device for stereo microscope |
| CN213442055U (en) * | 2020-09-14 | 2021-06-15 | 辽宁省交通高等专科学校 | New energy automobile's light chassis structure |
| KR102278029B1 (en) * | 2021-02-19 | 2021-07-15 | 김민성 | Magnetic leakage flux equipment |
-
2021
- 2021-12-24 CN CN202111601729.0A patent/CN114235948A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01267203A (en) * | 1989-02-28 | 1989-10-25 | Kawamoto Kogyo Kk | Wear resistance lagging material structure |
| CN202794117U (en) * | 2012-09-07 | 2013-03-13 | 武汉钢铁(集团)公司 | Special wear-resisting plate for online ultrasonic flaw detection on heavy rail |
| CN203781811U (en) * | 2014-03-16 | 2014-08-20 | 朱晓铭 | Bottle opener |
| CN105155612A (en) * | 2015-06-24 | 2015-12-16 | 柳州金特新型耐磨材料股份有限公司 | Movable wear-resisting plate structure |
| CN205263033U (en) * | 2015-12-29 | 2016-05-25 | 温州东南工业机械实业有限公司 | Antifriction plate of detecting a flaw |
| CN208828631U (en) * | 2018-09-04 | 2019-05-07 | 辽宁工程技术大学 | A kind of scraper of double chain conveyor |
| CN211174778U (en) * | 2019-12-06 | 2020-08-04 | 上海邦聚工程材料技术有限公司 | Pump case with wear-resisting lining detection device |
| CN212989760U (en) * | 2020-08-07 | 2021-04-16 | 郑州中谱仪器设备有限公司 | Auxiliary light source device for stereo microscope |
| CN213442055U (en) * | 2020-09-14 | 2021-06-15 | 辽宁省交通高等专科学校 | New energy automobile's light chassis structure |
| KR102278029B1 (en) * | 2021-02-19 | 2021-07-15 | 김민성 | Magnetic leakage flux equipment |
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