CN202734805U - Wear morphology and weight loss detection device - Google Patents
Wear morphology and weight loss detection device Download PDFInfo
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- CN202734805U CN202734805U CN 201220425589 CN201220425589U CN202734805U CN 202734805 U CN202734805 U CN 202734805U CN 201220425589 CN201220425589 CN 201220425589 CN 201220425589 U CN201220425589 U CN 201220425589U CN 202734805 U CN202734805 U CN 202734805U
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- wear
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Abstract
The utility model relates to a wear morphology and weight loss detection device which comprises a positioning device (1) and a detector (2). The positioning device is arranged below the detector. A workpiece to be detected (4) is positioned on the positioning device and is positioned between the positioning device and the detector. Using the detection device to detect the wear morphology and weight loss of the workpiece comprises the steps that firstly the workpiece to be detected is fixed on the positioning device, and the original thickness (H) of the workpiece is determined; secondly, the thickness (h) of the worn workpiece at some point in a wear area is measured; thirdly, the product (delta h*rho) of the difference (H-h=delta h) of the original thickness and the thickness of the worn workpiece and the density (rho) of the workpiece is the weight loss per unit area; fourthly, the position of the workpiece keeps unchanged and the detector is moved, and area measurement is carried out to acquire the thickness of multiple points (point cloud data); and fifthly, the total weight loss of a wear surface is acquired according to the measured point cloud data, and the point cloud data are used to reconstruct the wear morphology of the wear surface with a computer and related software. The detection device has the advantages of simple structure, convenient operation and accurate measurement, and can acquire accurate wear morphology and weight loss of the damaged workpiece, thus the accuracy of wear test and wear prediction are improved.
Description
Technical field
The utility model relates to mechanical field, relates in particular to the pick-up unit of a kind of wear morphology and weight loss, for detection of wear morphology and the weight loss of workpiece.This is a kind of method that changes to determine the wear extent of specified point by detect thickness, and the wearing and tearing that are applicable to field of fluid machinery are estimated, abrasion research and Resistant Design.
Background technology
Ubiquity the wear problem of fluid machinery in the engineering, it is the main failure mode of fluid machinery, especially flow passage components, its local initial failure and cause decrease in efficiency, serviceable life to be reduced and the overhaul of the equipments expense increases causes the very surprising energy and material unaccounted-for (MUF).
Common wear weight loss amount and pattern detection mode thereof have: (1) cleans oven dry with workpiece, and by the acquisition weight loss of weighing, but the average weight loss that weighing measurement can only obtain wearing and tearing can't obtain the weight loss of workpiece actual wear point.(2) can obtain wear morphology by stroboscopic, high-speed photography etc., but this method is because being subject to the restriction of equipment itself, and poor effect in chaos liquid is even can obtain wear morphology in the transparency liquids such as clear water, can not with the weight loss direct correlation, etc.At present all can not wear morphology and weight loss is corresponding with the relevant all quantivative approachs of wearing and tearing, therefore, it is incomplete adopting present method to analyze and research and wearing and tearing.
The utility model content
In view of this, for solving above-mentioned problems of the prior art, the utility model provides the pick-up unit of a kind of wear morphology and weight loss, by at workpiece detecting device being set, can detect wear morphology and the weight loss thereof of eroded area, variation in thickness by multiple spot compares, thereby obtains more accurate wear morphology and direct corresponding weight loss, for the factor that the quantitative examination impact is worn and torn is laid a good foundation.
The pick-up unit of wear morphology of the present utility model and weight loss comprises locating device and detecting device, and wherein, described locating device is arranged on the below of detecting device, and workpiece for measurement is positioned on the locating device and between locating device and detecting device.
Further, described locating device comprises clamp body, the first setting element and the second setting element, described clamp body is fixed on the platform, and described the first setting element and described the second setting element are fixedly mounted on the described clamp body and exceed the upper surface of described clamp body.
Further, described clamp body is dull and stereotyped, is provided with the setting element mounting hole on it and is used for installing the bolt hole of set bolt.
Further, described detecting device is movably height detection head or laser range finder.
Further, described the first setting element and described the second setting element are removably mounted on the described clamp body.And it is suitable and be wringing fit that the first setting element and the second setting element exceed the shape of the shape of part of clamp body and the corresponding pilot hole on the workpiece for measurement.Preferably, described pilot hole is circular hole, square hole or polygonal hole.
The utility model utilizes above-mentioned detection device to detect the wear morphology of workpiece and the detection method of weight loss, may further comprise the steps:
A, at first is fixed on workpiece for measurement on the described locating device, determines the original thickness H of workpiece;
B, then measures after the wearing and tearing workpiece in the thickness h of worn area point;
C, again, (Δ h * ρ) is the unit area weight loss with the difference (H-h=Δ h) of the thickness h of workpiece after original thickness H and the wearing and tearing and test specimen density (ρ) long-pending;
D, last, holding workpiece invariant position, moving detector, carry out area measure, obtain the thickness (being cloud data) of a plurality of points, and obtain the wear surface total weight loss according to the cloud data that records, use computing machine and related software with the wear morphology of the quantitative reconstruct wear surface of cloud data.
To sum up, the utility model is fixed on workpiece for measurement on the described locating device, by the detecting device of travelling workpiece top, obtains the thickness of a plurality of points, can obtain more accurate wear morphology and direct corresponding weight loss, for the factor of quantitative examination impact wearing and tearing is laid a good foundation.The wear morphology that the utility model provides and the pick-up unit of weight loss, simple in structure, detection method is implemented convenient, and can be that wear out failure is estimated, Resistant Design etc. provides experimental data, so the scope of application is extensive, has larger economic benefit and social value.
Description of drawings
Fig. 1 is the pick-up unit schematic diagram of wear morphology of the present utility model and weight loss.
Among the figure, the corresponding relation between each parts and the Reference numeral is as follows:
1-locating device 2-detecting device 3-platform 4-workpiece 11-clamp body
12-the first setting element 13-+ the second setting element 14-set bolt
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
As shown in Figure 1, the pick-up unit of wear morphology of the present utility model and weight loss comprises locating device 1 and detecting device 2, wherein, locating device 1 is arranged on the below of detecting device 2, and workpiece for measurement 4 is positioned on the locating device 1 and between locating device 1 and detecting device 2.This structure of the detecting device is simple, is used for detecting wear morphology and the weight loss of workpiece, and is easy to operate, and detection is direct and testing result is accurate.
Described locating device 1 specifically comprises clamp body 11, the first setting element 12 and the second setting element 13, described clamp body 11 is fixed on the platform 3 by set bolt 14, the first setting element 12 and the second setting element 13 are fixedly mounted on the clamp body 11 and exceed the upper surface of clamp body 11, are used for workpiece for measurement 4 is positioned at clamp body 11.Can guarantee repeatability and the uniqueness of workpiece for measurement test position by locating device 1.Preferably, clamp body 11 is dull and stereotyped, is provided with the setting element mounting hole on it and is used for installing the bolt hole of set bolt 14.
Need to prove, for different workpieces for measurement, used locating device can be different, namely change corresponding clamp body and setting element.Yet, best mode is, only need to change the setting element in the locating device, make an end of setting element and suitable the getting final product of pilot hole on the new workpiece for measurement, and need not to change clamp body, as long as guarantee that the other end and the setting element mounting hole on the former clamp body of setting element are suitable, so both reduced testing cost, reduced again the time of changing locating device.
Described detecting device 2 is movably height detection head or laser range finder.Wherein, locating device 1 is installed between height detection head or laser range finder and the platform 3, and used height detection head or laser range finder can adopt existing measuring instrument, such as three-coordinate instrument etc.
Described the first setting element 12 and the second setting element 13 are removably mounted on the clamp body 11.And, the shape that exceeds clamp body 11 parts of the first setting element 12 and the second setting element 13 and shape of the corresponding pilot hole on the workpiece for measurement is suitable and for wringing fit, described pilot hole is preferably circular hole, square hole or polygonal hole etc.
The utility model utilizes above-mentioned detection device to detect the wear morphology of workpiece and the detection method of weight loss, may further comprise the steps:
A, at first is fixed on workpiece for measurement 4 on the described locating device 1, determines the original thickness H of workpiece;
B, then measures workpiece 4 thickness h at the worn area point after the wearing and tearing;
C, again, (Δ h * ρ) is the unit area weight loss with the difference (H-h=Δ h) of the thickness h of workpiece after original thickness H and the wearing and tearing and test specimen density (ρ) long-pending;
D, last, holding workpiece invariant position, moving detector 2, carry out area measure, obtain the thickness (being cloud data) of a plurality of points, and obtain the wear surface total weight loss according to the cloud data that records, use computing machine and related software with the three-dimensional appearance of the quantitative reconstruct wear surface of cloud data.
Claims (5)
1. the pick-up unit of a wear morphology and weight loss, it is characterized in that: this pick-up unit comprises locating device (1) and detecting device (2), described locating device (1) is arranged on the below of described detecting device (2), and workpiece for measurement (4) is positioned at described locating device (1) upward and is positioned between described locating device (1) and the described detecting device (2).
2. the pick-up unit of wear morphology according to claim 1 and weight loss, it is characterized in that: described locating device (1) comprises clamp body (11), the first setting element (12) and the second setting element (13), described clamp body (11) is fixed on the platform (3), and described the first setting element (12) and described the second setting element (13) are fixedly mounted on described clamp body (11) upward and exceed the upper surface of described clamp body (11).
3. the pick-up unit of wear morphology according to claim 2 and weight loss, it is characterized in that: described clamp body (11) is for dull and stereotyped, be provided with the setting element mounting hole on it and the bolt hole of set bolt (14) be used for to be installed, described clamp body (11) is bolted on the described platform (3).
4. the pick-up unit of each described wear morphology and weight loss according to claim 1-3 is characterized in that: described detecting device (2) is movably height detection head or laser range finder.
5. the pick-up unit of wear morphology according to claim 4 and weight loss, it is characterized in that: described the first setting element (12) and described the second setting element (13) are removably mounted on the described clamp body (11), and it is suitable and be wringing fit that described the first setting element (12) and the second setting element (13) exceed the shape of the shape of part of described clamp body (11) and the corresponding pilot hole on the workpiece for measurement (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220425589 CN202734805U (en) | 2012-08-27 | 2012-08-27 | Wear morphology and weight loss detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220425589 CN202734805U (en) | 2012-08-27 | 2012-08-27 | Wear morphology and weight loss detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202734805U true CN202734805U (en) | 2013-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220425589 Expired - Fee Related CN202734805U (en) | 2012-08-27 | 2012-08-27 | Wear morphology and weight loss detection device |
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| Country | Link |
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| CN (1) | CN202734805U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853799A (en) * | 2012-08-27 | 2013-01-02 | 长沙学院 | Detection device of abraded shape and mass loss and detection method thereof |
| CN106482613A (en) * | 2016-12-01 | 2017-03-08 | 株洲中航动力精密铸造有限公司 | Blade measuring instrument self-inspection frock and self checking method |
| CN108981539A (en) * | 2018-09-30 | 2018-12-11 | 广船国际有限公司 | A kind of abrasion loss method of inspection and tool |
-
2012
- 2012-08-27 CN CN 201220425589 patent/CN202734805U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853799A (en) * | 2012-08-27 | 2013-01-02 | 长沙学院 | Detection device of abraded shape and mass loss and detection method thereof |
| CN106482613A (en) * | 2016-12-01 | 2017-03-08 | 株洲中航动力精密铸造有限公司 | Blade measuring instrument self-inspection frock and self checking method |
| CN106482613B (en) * | 2016-12-01 | 2019-04-26 | 株洲中航动力精密铸造有限公司 | Blade measuring instrument self-test tooling and self checking method |
| CN108981539A (en) * | 2018-09-30 | 2018-12-11 | 广船国际有限公司 | A kind of abrasion loss method of inspection and tool |
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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 |
Granted publication date: 20130213 Termination date: 20140827 |
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| EXPY | Termination of patent right or utility model |