CN2272582Y - Ultrasonic wave probe for testing crank axle - Google Patents
Ultrasonic wave probe for testing crank axle Download PDFInfo
- Publication number
- CN2272582Y CN2272582Y CN 96231487 CN96231487U CN2272582Y CN 2272582 Y CN2272582 Y CN 2272582Y CN 96231487 CN96231487 CN 96231487 CN 96231487 U CN96231487 U CN 96231487U CN 2272582 Y CN2272582 Y CN 2272582Y
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- Prior art keywords
- delay block
- shell
- block
- face
- bent axle
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model relates to an ultrasonic wave probe for detecting crankshaft. A piezoelectric wafer is fixed on the upper end surface of a delay block, the delay block is fixed in a housing via a sound-absorbing material block, and the polar surface of the piezoelectric wafer is connected with a connector base via a conducting wire. The included angle between the upper bottoms of a left end surface and a right end surface in the upper part of the delay block and the horizontal line in the end surface is 2.15-33.4 DEG, and the included angle between the upper bottoms of the front end surface and the back end surface of the delay block and the horizontal line in the end surface is 2-20 DEG. The bottom end surface of the delay block is an upwardly concave arc-shaped curved surface, and the arc shape is arranged along left and right directions. The utility model can be used for the harmless detection of the crankshaft and the transition point of the crankshaft.
Description
The utility model relates to a kind of parts that carry out ultrasound wave lossless detection device therefor.
Bent axle is one of basic element of character of transferring power, careless slightlyly in the manufacture process of bent axle will stay pore, crackle, also can produce loose, be mingled with and defective such as white point, bent axle in use, because of being subjected to the alternation acting force that connecting rod stretches, compresses, originally the various defectives that were present in the bent axle are progressively expanded, finally caused its fracture.If this bent axle is used for the accident that motor vehicle just might cause car crash,, and jeopardize personal safety if being used for other machinery and equipment also can cause the damage of equipment.At present, the internal-combustion engines vehicle industry of China has only the magnetic-field test method of standard laid down by the ministries or commissions of the Central Government regulation to the lossless detection method of bent axle, and this method can only be checked out crackle or other defective of surface on bent axle surface, and the inherent vice of bent axle is not still had unified standard.The method of general used ultrasonic flaw detection is a (see figure 1), the outside surface that normal probe is placed on crankshaft journal (1a) and crank (2a) detects, but this method can only detect the straight part facing to probe of axle journal (1a) and crank (2a), the radius that has for crank (2a) and axle journal (1a) is that the transition position (3a) of the fillet of 1～3mm then can't be surveyed internal defects, and this transition position (3a) exactly stress concentrate bigger position, the also promptly the easiest position that cracks and rupture.
The purpose of this utility model is, the ultrasonic probe of inherent vice can be provided when providing in a kind of the use transition position to the axle journal of bent axle and crank to carry out Non-Destructive Testing.
The technical scheme that realizes the utility model purpose is (referring to Fig. 2 and Fig. 6), and this probe has shell (1), first delay block (21), first piezoelectric chip (31), first junction block (41) and acoustic absorbant piece (5); The lower openings of shell (1), first junction block (41) is fixed on the top of shell (1), a polar surface of first piezoelectric chip (31) is connected by first via lead with the heart yearn of first junction block (41), another polar surface of first piezoelectric chip (31) is connected by second line conductor with the pedestal of first junction block (41), the basic configuration that first piezoelectric chip (31) is bonded and fixed at top is on the upper surface of first delay block (21) of prism, the top of first delay block (21) is located in the shell (1), first delay block (21) is by acoustic absorbant piece (5) and shell (1) fixed bonding, its design feature is, horizontal angle is 2.15 °～33.4 ° in the upper base of the left side on the top of first delay block (21) and the left side, horizontal angle is 2.15 °～33.4 ° in the upper base of the right side on the top of first delay block (21) and the right side, horizontal angle is 2 °～20 ° in the upper base of the front end face on the top of first delay block (21) and the front end face, horizontal angle is 2 °～20 ° in the upper base of the upper rear end face of first delay block (21) and the rear end face, the lower surface of first delay block (21) is the arc-shaped curved surface of fovea superior, and its arc is along the left and right directions setting.
When this probe is used for the axle journal place of bent axle or crank place, the major part of the bottom of above-mentioned first delay block (21) is located in the shell (1), the front end face of the bottom of first delay block (21) and the front end face on top are in same plane, the rear end face of bottom and upper rear end face are in same plane, the left side of bottom and the left side on top are in same plane, and the right side of bottom and the right side on top are in same plane.
Referring to Fig. 3 and Fig. 7, when this probe is used for the transition position of axle journal and crank, the bottom of above-mentioned first delay block (21) be located at shell (1) outer under, its basic configuration is protruding arc-shaped curved surface down, the arc of this time convex curved surface is along the fore-and-aft direction setting.
Referring to Fig. 2, Fig. 3 and Fig. 8, consider the double wafer structure that makes this probe have the emission wafer and receive wafer, this probe also has second delay block (22), second piezoelectric chip (32), second junction block (42) and sound insulation sheet (6), second junction block (42) is fixed on shell (1) top, a polar surface of second piezoelectric chip (32) is connected by the Third Road lead with the heart yearn of second junction block (42), another polar surface of second piezoelectric chip (32) is connected by the 4th line conductor with the pedestal of second junction block (42), the shape of the shape of second delay block (22) and first delay block (21) is symmetrical, second piezoelectric chip (32) is adhesively fixed on the upper surface of second delay block (22), the top of the top of second delay block (22) and sound insulation sheet (6) is located in the shell (1), and second delay block (22) and first delay block (21) are about sound insulation sheet (6) place plane symmetry, the upper surface of second delay block (22) and first delay block (21) all outwardly, second delay block (22), sound insulation sheet (6) is by acoustic absorbant piece (5) and shell (1) fixed bonding.
When above-mentioned double crystal probe is used for the axle journal place of bent axle or crank place, above-mentioned first delay block (21), the major part of the bottom of second delay block (22) and sound insulation sheet (6) is located in the shell (1), and by acoustic absorbant piece (5) fixed bonding, the bottom of first delay block (21) and the front end face on top are in same plane, bottom and upper rear end face are in same plane, the left side on bottom and top is in same plane, the right side on bottom and top is in same plane, before the bottom of second delay block (22) and the top, after, a left side, the right side is also respectively in same plane separately.
Referring to Fig. 4, Fig. 5, Fig. 9 and Figure 10, when above-mentioned double crystal probe is used for the transition position of axle journal and crank, the bottom of bottom, second delay block (22) of the bottom of above-mentioned first delay block (21), sound insulation sheet (6) all be located at shell (1) under, the basic configuration of the bottom of the bottom of first delay block (21), sound insulation sheet (6) and the bottom of second delay block (22) is following protruding arcwall face, and the arc of this time convex curved surface is along the fore-and-aft direction setting.
Above-mentioned first delay block (21) and second delay block (22) front end face are or/and be provided with magnetic material sheets being (8) between rear end face and shell (1) inwall.
Above-mentioned shell (1) is the housing of rectangle for the basic configuration of being made by magnetic material, and two magnetic poles are located on the header board and back plate of shell (1).
The utlity model has positive effect: (1) this probe can not only detect the axle journal of bent axle or the defective at crank place after cooperating relevant instrument, comprise the defectives from can outside seeing such as inherent vice such as loose, pore, white point, snotter and crackle, more can detect the defective of the axle journal and the crank transition position of bent axle, thereby real qualified bent axle can be used for engine.(2) this probe cooperates relevant instrument that bent axle is detected a flaw, and belongs to nondestructive examination, bent axle is had no adverse effects, and can on-the-spotly use, and detects after need not relevant parts are pulled down.(3) after this probe is provided with magnetic material, can reduce tester's labour intensity greatly in use, and can further improve the work quality of detection.
Fig. 1 is a kind of structural representation of bent axle.
Fig. 2 is a kind of structural representation of the utility model delay block.
Fig. 3 is the another kind of structural representation of the utility model delay block.
Fig. 4 is the another kind of structural representation of the utility model delay block.
Fig. 5 is the another kind of structural representation of the utility model delay block.
Fig. 6 is a kind of structural representation of the utility model Single crystal probe.
Fig. 7 is the another kind of structural representation of the utility model Single crystal probe.
Fig. 8 is a kind of structural representation of the utility model double crystal probe.
Fig. 9 is the another kind of structural representation of the utility model double crystal probe.
Figure 10 is the A-A cross-sectional schematic of Fig. 9.
Below in conjunction with drawings and Examples the utility model is further described.
Embodiment 1, Single crystal probe.
See Fig. 2 and Fig. 6,
Making the straight-through basic configuration in bottom with alloy aluminum is the housing (1) of rectangle, fixes first junction block (41) at the circular hole place of the upper head plate on the top of housing (1).
The basic configuration of making as shown in the figure with poly-maple organic glass is first delay block (21) of four prisms cylinder, the left side of first delay block (21) and right side are parallel to each other and are side plane, front end face and rear end face are the side vertical plane, horizontal angle α is 3 ° in the upper base of left side and the left side, horizontal angle is 3 ° in the upper base of right side and the right side, horizontal angle β is 5 ° in front end face and the front end face, horizontal angle is 5 ° in the upper base of rear end face and the rear end face, make the upper surface produce the inclination of both direction at left and right directions and fore-and-aft direction, the lower surface of first delay block (21) is the arc-shaped curved surface of fovea superior, and its arc is along the left and right directions setting.
Select for use high lead titanate piezoelectric ceramics sheet PT6 as first piezoelectric chip (31).
A polar surface of first piezoelectric chip (31) is connected by first via lead with the heart yearn of first junction block (41), another polar surface of first piezoelectric chip (31) is connected by second line conductor with the pedestal of first junction block (41), first piezoelectric chip (31) is adhesively fixed on the upper surface of first delay block (21), first delay block (21) is located in the shell (1), in order to epoxy resin is the acoustic absorbant encapsulation of principal ingredient, each parts fixedly is connected as a single entity and fixedlys connected, become acoustic absorbant piece (5) after the acoustic absorbant curing with shell (1).
See Fig. 1, present embodiment gained probe, can be placed on the axle journal (1a) of bent axle and the outside surface of crank (2a), can the axle journal and the crank of bent axle be detected after connecting relevant instrument, when the position of the close transition position (3a) that is placed on axle journal, can be to transition position (3a) locate to carry out ultrasound examination slightly on the lower side apart from the surface.
See Fig. 3 and Fig. 7,
All the other are with embodiment 1, difference is, the height of shell (1) is shorter, the shape of first delay block (21) as shown in Figure 3, its top is four prisms cylinder, the basic configuration of bottom is following protruding arc-shaped curved surface, and the arc of this time convex curved surface is along the fore-and-aft direction setting, and the lower surface of bottom is the arc-shaped curved surface along the fovea superior of left and right directions setting.
Present embodiment gained probe can be placed on the transition position (3a) that the axle journal (1a) of bent axle combines with crank (2a), connect relevant instrument after, can carry out Ultrasonic Nondestructive to the appearance and the inside of transition position (3a).
Embodiment 3, double crystal probe.
See Fig. 2, Fig. 3 and Fig. 8.
All the other are with embodiment 1, difference is that shell (1) length is longer, and probe also has second delay block (22), second piezoelectric chip (32), second junction block (42) and sound insulation sheet (6), spacer (6) are that the limit diaphragm of 1mm is made by the thickness of buying from Shanghai resin research institute.Second junction block (42) is fixed on shell (1) top, a polar surface of second piezoelectric chip (32) is connected by the Third Road lead with the heart yearn of second junction block (42), another polar surface of second piezoelectric chip (32) is connected by the 4th line conductor with the pedestal of second junction block (42), the shape of the shape of second delay block (22) and first delay block (21) is symmetrical, second piezoelectric chip (32) is adhesively fixed on the upper surface of second delay block (22), second delay block (22) and sound insulation sheet (6) are located in the shell (1), and second delay block (22) and first delay block (21) are about sound insulation sheet (6) place plane symmetry, the upper surface of second delay block (22) and first delay block (21) all outwardly, each parts in the shell (1) are the acoustic absorbant encapsulation of Main Ingredients and Appearance in order to epoxy resin, each parts fixedly is connected as a single entity and fixedlys connected with shell (1), acoustic absorbant becomes acoustic absorbant piece (5) after solidifying.And the lower surface of the bottom of the integral body that first delay block (21), sound insulation sheet (6) and second delay block (22) are formed is the arc-shaped curved surface along the last spill of left and right directions setting.
Present embodiment gained probe, one of them piezoelectric chip is the emission wafer, another piezoelectric chip is for receiving wafer, to the application of the ultrasound examination of bent axle with embodiment 1.
Embodiment 4, double crystal probe.
See Fig. 4, Fig. 5, Fig. 9 and Figure 10.
All the other are with embodiment 3, and difference is, also have to be adhesively fixed on the piece of magnetic material (8) that two permanent magnetic materials on shell (1) header board inwall and the back plate inwall are made, and its magnetic induction density is 8000 Gausses.Shell (1) is highly shorter, the top of first delay block (21), second delay block (22) is four prisms cylinder, the basic configuration of bottom is following protruding arc-shaped curved surface, the arc of this time convex curved surface is along the fore-and-aft direction setting, and the lower surface of the bottom of the integral body formed of first delay block (21), sound insulation sheet (6) and second delay block (22) is the arc-shaped curved surface of the last spill that is provided with along left and right directions.
Present embodiment gained probe, one of them piezoelectric chip is the emission wafer, another piezoelectric chip is for receiving wafer, and is with embodiment 2, and more convenient when being provided with magnetic material sheets being (8), use to the application of the ultrasound examination of bent axle.
Claims (8)
1, a kind ofly detects the ultrasonic probe that bent axle is used, have shell (1), first delay block (21), first piezoelectric chip (31), first junction block (41) and acoustic absorbant piece (5); The lower openings of shell (1), first junction block (41) is fixed on the top of shell (1), a polar surface of first piezoelectric chip (31) is connected by first via lead with the heart yearn of first junction block (41), another polar surface of first piezoelectric chip (31) is connected by second line conductor with the pedestal of first junction block (41), the basic configuration that first piezoelectric chip (31) is bonded and fixed at top is on the upper surface of first delay block (21) of prism, the top of first delay block (21) is located in the shell (1), first delay block (21) is by acoustic absorbant piece (5) and shell (1) fixed bonding, it is characterized in that, horizontal angle is 2.15 °～33.4 ° in the upper base of the left side on the top of first delay block (21) and the left side, horizontal angle is 2.15 °～33.4 ° in the upper base of the right side on the top of first delay block (21) and the right side, horizontal angle is 2 °～20 ° in the upper base of the front end face on the top of first delay block (21) and the front end face, horizontal angle is 2 °～20 ° in the upper base of the upper rear end face of first delay block (21) and the rear end face, the lower surface of first delay block (21) is the arc-shaped curved surface of fovea superior, and its arc is along the left and right directions setting.
2, the ultrasonic probe used of detection bent axle according to claim 1, it is characterized in that, the major part of the bottom of first delay block (21) is located in the shell (1), the front end face of the bottom of first delay block (21) and the front end face on top are in same plane, the rear end face of bottom and upper rear end face are in same plane, the left side of bottom and the left side on top are in same plane, and the right side of bottom and the right side on top are in same plane.
3, the ultrasonic probe used of detection bent axle according to claim 1, it is characterized in that, the bottom of first delay block (21) be located at shell (1) outer under, its basic configuration is protruding arc-shaped curved surface down, the arc of this time convex curved surface is along the fore-and-aft direction setting.
4, the ultrasonic probe that detection bent axle according to claim 1 is used, it is characterized in that, also has second delay block (22), second piezoelectric chip (32), second junction block (42) and sound insulation sheet (6), second junction block (42) is fixed on shell (1) top, a polar surface of second piezoelectric chip (32) is connected by the Third Road lead with the heart yearn of second junction block (42), another polar surface of second piezoelectric chip (32) is connected by the 4th line conductor with the pedestal of second junction block (42), the shape of the shape of second delay block (22) and first delay block (21) is symmetrical, second piezoelectric chip (32) is adhesively fixed on the upper surface of second delay block (22), the top of the top of second delay block (22) and sound insulation sheet (6) is located in the shell (1), and second delay block (22) and first delay block (21) are about sound insulation sheet (6) place plane symmetry, the upper surface of second delay block (22) and first delay block (21) all outwardly, second delay block (22), sound insulation sheet (6) is by acoustic absorbant piece (5) and shell (1) fixed bonding.
5, the ultrasonic probe that detection bent axle according to claim 4 is used, it is characterized in that, first delay block (21), the major part of the bottom of second delay block (22) and sound insulation sheet (6) is located in the shell (1), and by acoustic absorbant piece (5) fixed bonding, the bottom of first delay block (21) and the front end face on top are in same plane, bottom and upper rear end face are in same plane, the left side on bottom and top is in same plane, the right side on bottom and top is in same plane, before the bottom of second delay block (22) and the top, after, a left side, the right side is also respectively in same plane separately.
6, the ultrasonic probe used of detection bent axle according to claim 5, it is characterized in that, the bottom of bottom, second delay block (22) of the bottom of first delay block (21), sound insulation sheet (6) all be located at shell (1) under, the basic configuration of the bottom of the bottom of first delay block (21), sound insulation sheet (6) and the bottom of second delay block (22) is following protruding arcwall face, and the arc of this time convex curved surface is along the fore-and-aft direction setting.
7, the ultrasonic probe of using according to the described detection bent axle of claim 1 to 6 is characterized in that, first delay block (21) and second delay block (22) front end face are or/and be provided with magnetic material sheets being (8) between rear end face and shell (1) inwall.
8, the ultrasonic probe of using according to the described detection bent axle of claim 1 to 6 is characterized in that, shell (1) is the housing of rectangle for the basic configuration of being made by magnetic material, and two magnetic poles are located on the header board and back plate of shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96231487 CN2272582Y (en) | 1996-03-21 | 1996-03-21 | Ultrasonic wave probe for testing crank axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96231487 CN2272582Y (en) | 1996-03-21 | 1996-03-21 | Ultrasonic wave probe for testing crank axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2272582Y true CN2272582Y (en) | 1998-01-14 |
Family
ID=33908658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96231487 Expired - Fee Related CN2272582Y (en) | 1996-03-21 | 1996-03-21 | Ultrasonic wave probe for testing crank axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2272582Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975821A (en) * | 2010-09-03 | 2011-02-16 | 中国人民解放军装甲兵工程学院 | Automatic ultrasonic detecting method and device of defects inside old crank of engine |
| CN104820016A (en) * | 2015-04-15 | 2015-08-05 | 南车戚墅堰机车车辆工艺研究所有限公司 | Locomotive connecting shaft fatigue crack ultrasonic detection method |
| CN108318586A (en) * | 2017-01-04 | 2018-07-24 | 嘉兴博感科技有限公司 | A kind of sonac of structural strengthening |
| CN111912902A (en) * | 2019-08-08 | 2020-11-10 | 中车大同电力机车有限公司 | Ultrasonic probe and crack detection device |
-
1996
- 1996-03-21 CN CN 96231487 patent/CN2272582Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975821A (en) * | 2010-09-03 | 2011-02-16 | 中国人民解放军装甲兵工程学院 | Automatic ultrasonic detecting method and device of defects inside old crank of engine |
| CN104820016A (en) * | 2015-04-15 | 2015-08-05 | 南车戚墅堰机车车辆工艺研究所有限公司 | Locomotive connecting shaft fatigue crack ultrasonic detection method |
| CN108318586A (en) * | 2017-01-04 | 2018-07-24 | 嘉兴博感科技有限公司 | A kind of sonac of structural strengthening |
| CN111912902A (en) * | 2019-08-08 | 2020-11-10 | 中车大同电力机车有限公司 | Ultrasonic probe and crack detection device |
| CN111912902B (en) * | 2019-08-08 | 2023-12-19 | 中车大同电力机车有限公司 | Ultrasonic probe and crack detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |