CN210293135U - Laser sliding type cylinder inner edge angle detection device - Google Patents
Laser sliding type cylinder inner edge angle detection device Download PDFInfo
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- CN210293135U CN210293135U CN201920597564.6U CN201920597564U CN210293135U CN 210293135 U CN210293135 U CN 210293135U CN 201920597564 U CN201920597564 U CN 201920597564U CN 210293135 U CN210293135 U CN 210293135U
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Abstract
The utility model relates to an interior edges and corners angle detection device of laser slidingtype barrel. The device comprises a fixed ruler, a laser range finder and a computing device; the two ends of the fixed ruler are provided with supporting legs, and the fixed ruler is fixed on the inner side of the cylinder body; the bottom ends of the supporting legs at the two ends are flush; the laser range finder is fixed at the middle point of the fixed ruler and emits laser perpendicular to the direction of the fixed ruler to the inner wall of the cylinder; the calculating device is connected with the laser range finder and used for obtaining the measuring value output by the laser range finder in the moving process of the fixed ruler. The utility model discloses a device is used for the edges and corners angle to detect, and easy operation can realize qualitative detection abnormal position fast, also can calculate unusual edges and corners angle numerical value quantitatively.
Description
Technical Field
The utility model particularly relates to an interior edges and corners degree detection device of laser slidingtype barrel.
Background
The size of the edge angle formed in the circumferential direction and the axial direction of the welded joint is represented by an edge angle (E). The edge angle is mainly generated due to the reasons of irregular pre-bending operation, welding deformation and the like. The existence of edges and corners has formed pressure vessel's geometry discontinuous, cause the stress concentration of edges and corners department, and then make the local bearing capacity of pressure vessel decline, endanger pressure vessel's safe operation, in actual production, the sample plate carries out edges and corners measurement in the preparation generally, but pressure vessel's diameter is not of uniform size, if carry out the mode of measuring with the interior sample plate of preparation, need the sample plate of a large amount of different specifications, the preparation of sample plate is more loaded down with trivial details, and the common thin plywood preparation that is used, easy wearing and tearing, and easy rotten because of the improper cause of the storage wets.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an interior edges and corners angle detection device of laser slidingtype barrel can the internal edges and corners angle abnormal conditions of short-term test barrel.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
a laser sliding type cylinder inner edge angle detection device comprises a fixed ruler, a laser range finder and a calculation device;
the two ends of the fixed ruler are provided with supporting legs, and the fixed ruler is fixed on the inner side of the cylinder body; the bottom ends of the supporting legs at the two ends are flush;
the laser range finder is fixed at the middle point of the fixed ruler and emits laser perpendicular to the direction of the fixed ruler to the inner wall of the cylinder;
the calculating device is connected with the laser range finder and used for obtaining the measuring value output by the laser range finder in the moving process of the fixed ruler.
As a further improvement, the inner wall of the cylinder body is provided with a reflecting layer. Further, the light reflecting layer is white paint or white adhesive tape. The reflective layer is arranged on the inner wall of the barrel, so that the measurement precision of the laser range finder can be ensured.
As a further improvement, the fixed ruler both ends are equipped with the recess, and the landing leg passes the recess and is connected perpendicularly with the fixed ruler.
As a further improvement, the fixed ruler is provided with an interface for connecting splicing rulers with different sizes. For the large-inner-diameter cylinder, the length of the fixed ruler can be spliced and increased to reduce the walking length of the fixed ruler in the cylinder, and the laser detector is still in the middle point position of the fixed ruler after the fixed ruler is extended.
As a further improvement, the supporting legs are made of magnetic materials, can be adsorbed on common carbon steel cylinders on chemical equipment and are convenient to fix.
As a further improvement, the fixed ruler is made of tool steel.
The utility model discloses an interior edges and corners angle detection device of laser slidingtype barrel utilizes the fixed ruler to make the chord length of cross-section in the barrel as, utilizes the chord length condition lower chord mid point to the specific unchangeable principle of barrel, changes through the reading of fixed ruler laser range finder when the barrel inner wall slides in the barrel, the interior edges and corners angle abnormal conditions of short-term test barrel. The data read by the calculating device can be further utilized to fit the arc of the inner wall of the cylinder body, and the specific edge angle can be calculated. The utility model discloses a device is used for the edges and corners angle to detect, and easy operation can realize qualitative detection abnormal position fast, also can calculate unusual edges and corners angle numerical value quantitatively.
Drawings
Fig. 1 is a schematic structural view of a laser sliding type cylinder inner edge angle detection device in a front view;
FIG. 2 is a schematic side view of a laser sliding type cylinder inner edge angle detection device;
in the figure, 1 is a fixed ruler; 2 is a supporting leg; 3 is a laser range finder; 4 is a computing device; 5 is the inner wall of the cylinder.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and the detailed description.
The laser sliding type cylinder inner edge angle detection device shown in figures 1-2 comprises a fixed ruler 1, a laser range finder 3 and a calculation device 4; grooves are formed in two ends of the fixed ruler 1, the supporting legs 2 penetrate through the grooves to be vertically connected with the fixed ruler 1, and the fixed ruler 1 is fixed on the inner side of the inner wall 5 of the cylinder body; the bottom ends of the supporting legs 2 at the two ends are flush, and the supporting legs 2 are made of magnetic materials. Preferably, the fixed ruler 1 is made of tool steel; an interface can be arranged on the fixed ruler 1 to connect splicing rulers with different sizes so as to adjust the span;
the laser range finder 3 is fixed at the middle point of the fixed ruler 1 and emits laser perpendicular to the direction of the fixed ruler 1 to the inner wall 5 of the cylinder body; the inner wall 5 of the cylinder body is provided with a white coating or a white adhesive tape as a reflective layer; the calculating device 4 is connected with the laser range finder 3 and obtains a measurement value output by the laser range finder 3 in the moving process of the fixed ruler 1, and the calculating device 4 can be a computer, a smart phone and other devices with a processor.
The utility model discloses a measurement principle as follows:
the fixed ruler 1 slides on the inner wall 5 of the cylinder body in the circumferential direction through the supporting legs 2, and the two supporting legs are required to be always parallel and level in the sliding process, so that the sliding track is ensured to be on a circular section. At this time, the laser range finder 2 fixed at the center point of the fixed scale 1 can continuously measure the distance L from the midpoint of the fixed scale 1 to the cylinder wall at each position under the fixed chord length (i.e., the fixed scale 1 is long) by emitting laser perpendicular to the fixed scale 1. If the cylinder is a standard circle, the reading value L will not change, and if the reading value L changes, the cylinder is deformed. Abnormalities can be detected qualitatively and quickly. The calculation device 4 obtains the read-out numerical value of the laser range finder in real time, can fit the circular arc of the inner wall of the cylinder body and quantitatively calculates the edge angle.
Claims (7)
1. A laser sliding type cylinder inner edge angle detection device is characterized by comprising a fixed ruler, a laser range finder and a calculation device;
the two ends of the fixed ruler are provided with supporting legs, and the fixed ruler is fixed on the inner side of the cylinder body; the bottom ends of the supporting legs at the two ends are flush;
the laser range finder is fixed at the middle point of the fixed ruler and emits laser perpendicular to the direction of the fixed ruler to the inner wall of the cylinder;
the calculating device is connected with the laser range finder and used for obtaining the measuring value output by the laser range finder in the moving process of the fixed ruler.
2. The device for detecting the internal edge angle of the laser sliding type cylinder as claimed in claim 1, wherein the inner wall of the cylinder is provided with a reflective layer.
3. The device for detecting the internal edge angle of the laser sliding type cylinder according to claim 2, wherein the light reflecting layer is white paint or white adhesive tape.
4. The laser sliding type cylinder internal edge angle detection device as claimed in claim 1, wherein grooves are formed at two ends of the fixed ruler, and the support legs penetrate through the grooves to be vertically connected with the fixed ruler.
5. The laser sliding type cylinder internal edge angle detection device as claimed in claim 1, wherein the fixed ruler is provided with an interface for connecting splicing rulers with different sizes.
6. The device for detecting the internal edge angle of the laser sliding type cylinder according to claim 1, wherein the supporting leg is made of a magnetic material.
7. The device for detecting the internal edge angle of the laser sliding type cylinder according to claim 1, wherein the fixing ruler is made of tool steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920597564.6U CN210293135U (en) | 2019-04-28 | 2019-04-28 | Laser sliding type cylinder inner edge angle detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920597564.6U CN210293135U (en) | 2019-04-28 | 2019-04-28 | Laser sliding type cylinder inner edge angle detection device |
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| Publication Number | Publication Date |
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| CN210293135U true CN210293135U (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920597564.6U Active CN210293135U (en) | 2019-04-28 | 2019-04-28 | Laser sliding type cylinder inner edge angle detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112050753A (en) * | 2020-09-10 | 2020-12-08 | 广东省特种设备检测研究院珠海检测院 | Method and device for measuring edge angle of longitudinal weld of pressure vessel |
| CN116379992A (en) * | 2023-06-07 | 2023-07-04 | 泰安市特种设备检验研究院 | Rotary shell geometric dimension measuring device and use method thereof |
-
2019
- 2019-04-28 CN CN201920597564.6U patent/CN210293135U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112050753A (en) * | 2020-09-10 | 2020-12-08 | 广东省特种设备检测研究院珠海检测院 | Method and device for measuring edge angle of longitudinal weld of pressure vessel |
| CN112050753B (en) * | 2020-09-10 | 2021-12-21 | 广东省特种设备检测研究院珠海检测院 | Method and device for measuring edge angle of longitudinal weld of pressure vessel |
| CN116379992A (en) * | 2023-06-07 | 2023-07-04 | 泰安市特种设备检验研究院 | Rotary shell geometric dimension measuring device and use method thereof |
| CN116379992B (en) * | 2023-06-07 | 2023-08-29 | 泰安市特种设备检验研究院 | Rotary shell geometric dimension measuring device and use method thereof |
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