CN220170195U - Flatness or straightness detection device for large-size workpiece - Google Patents
Flatness or straightness detection device for large-size workpiece Download PDFInfo
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- CN220170195U CN220170195U CN202321474261.8U CN202321474261U CN220170195U CN 220170195 U CN220170195 U CN 220170195U CN 202321474261 U CN202321474261 U CN 202321474261U CN 220170195 U CN220170195 U CN 220170195U
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- 238000001514 detection method Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model relates to a flatness or straightness detection device for a large-size workpiece, which comprises a ranging device, a ranging device tripod, a level gauge and a level gauge tripod, wherein the ranging device is arranged on the ranging device tripod through a rotary locking mechanism, and the ranging device tripod is arranged on a workpiece to be detected; the leveling instrument is arranged on a leveling instrument tripod which is arranged on the same horizontal plane with the measured workpiece; the distance measuring device comprises a laser distance measuring instrument body, wherein an X-direction level bubble is arranged at the top of the front surface of the laser distance measuring instrument body, and a Y-direction level bubble is arranged on one side surface adjacent to the front surface provided with the X-direction level bubble; a row of measuring staff is arranged on one side of the X-direction level bubble; the bottom surface of laser range finder body is equipped with laser emission mouth. The utility model can measure the flatness/straightness of the large-size workpiece with the side length/diameter more than 10m, and can measure the flatness/straightness of the large-size workpiece rapidly, simply and conveniently.
Description
Technical Field
The utility model relates to the technical field of measuring tools, in particular to a flatness or straightness detection device for a large-size workpiece.
Background
At present, the flatness/straight line detection method mainly comprises an auto-collimator method, a laser interferometer method, a surface marking method and the like, but the methods are mainly applied to the flatness/straight line detection of small sizes, and no better method is available for detecting the flatness/straight line of large-sized planes, particularly workpieces with side lengths/diameters of more than 10 m. The main reasons are as follows: (1) When the size of the workpiece is oversized, the signal attenuation of the laser interferometer, the measuring light of the autocollimator and the like is serious, and the interference from the environment is large; (2) The existing flatness detection equipment has high accuracy and small measurement range, and the main detection objects are measuring devices such as standard flat plates, flat scales, machine tools and the like or high-precision processing equipment, so that the flatness and straightness of a large-size workpiece are often detected to exceed the measurement range; (3) The operation is complicated, and the development and detection work of operators are not facilitated.
In industries such as ships, wind power, machining, automobiles and the like, corresponding requirements are provided for flatness/straightness of various large-size workpieces and plates, and how to obtain detection results conveniently, rapidly and accurately becomes an important problem for enterprise development, so that a flatness or straightness detection device for the large-size workpieces is needed at present.
Disclosure of Invention
The utility model aims to overcome the defects and provide a flatness or straightness detection device for a large-size workpiece, which has a simple structure, is convenient to operate and can measure the flatness or straightness of the workpiece with the side length/diameter of more than 10 m.
The purpose of the utility model is realized in the following way:
the flatness or straightness detection device for the large-size workpiece comprises a ranging device, a ranging device tripod, a level gauge and a level gauge tripod, wherein the ranging device is arranged on the ranging device tripod through a rotary locking mechanism, and the ranging device tripod is arranged on a workpiece to be detected; the leveling instrument is arranged on a leveling instrument tripod which is arranged on the same horizontal plane with the measured workpiece; the distance measuring device comprises a laser distance measuring instrument body, wherein an X-direction level bubble is arranged at the top of the front surface of the laser distance measuring instrument body, and a Y-direction level bubble is arranged on one side surface adjacent to the front surface provided with the X-direction level bubble; a row of measuring staff is arranged on one side of the X-direction level bubble; the bottom surface of laser range finder body is equipped with the laser emission mouth, the laser emission mouth aims at the measured work piece.
Further, the distance measuring device is connected with a first rotary locking mechanism through a clamping device, the first rotary locking mechanism is connected with a second rotary locking mechanism, and the second rotary locking mechanism is arranged at the top end of the tripod of the distance measuring device.
Further, a plurality of control buttons are arranged below the X-direction level bubble.
Further, a display screen is arranged below the control button.
Further, a plurality of measuring points are uniformly distributed on the plane of the measured workpiece.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model comprises a level gauge and a measuring device, wherein the level gauge is used for providing a reference level; the measuring device integrates a measuring scale and a level bubble on the high-precision laser range finder and is used for measuring the distance between a reference horizontal plane and a measured plane; the measuring scale marks the distance from the laser emitting opening; the laser ranging device is integrated with the level bubble in two directions, and is used for adjusting the angle of the ranging device and ensuring that the laser vertical horizontal plane is shot to the measured plane; using the visual axis of the high-precision level as a reference level; reading a staff gauge reading on a distance measuring device through a high-precision leveling instrument cross wire, and obtaining the distance between a measured point and a reference horizontal plane by adding the reading of the laser distance measuring device to the distance between a laser emission port and the reference horizontal plane; the utility model can measure the planeness/straightness of the workpiece with the side length/diameter of more than 10m, realizes the rapid and simple measurement of the planeness and/or straightness of the workpiece, and improves the accuracy and intuitiveness of the planeness and/or straightness measurement of the workpiece.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a front view of the ranging apparatus of the present utility model.
Fig. 3 is a schematic layout view of a workpiece to be tested according to the present utility model.
Wherein:
the measuring device comprises a distance measuring device 1, a laser distance measuring instrument body 11, an X-direction level bubble 12, a Y-direction level bubble 13, a measuring scale 14, a control button 15, a display screen 16, a laser emitting opening 17, a clamping device 2, a first rotary locking mechanism 3, a second rotary locking mechanism 4, a distance measuring device tripod 5, a level 6, a level tripod 7 and a measured workpiece 8.
Description of the embodiments
In order to better understand the technical solution of the present utility model, the following detailed description will be made with reference to the accompanying drawings. It should be understood that the following embodiments are not intended to limit the embodiments of the present utility model, but are merely examples of embodiments that may be employed by the present utility model. It should be noted that, the description herein of the positional relationship of the components, such as the component a being located above the component B, is based on the description of the relative positions of the components in the drawings, and is not intended to limit the actual positional relationship of the components.
Example 1
Referring to fig. 1-2, fig. 1 depicts a schematic structural view of the present utility model. As shown in the figure, the flatness or straightness detection device for the large-size workpiece comprises a distance measuring device 1, a distance measuring device tripod 5, a level gauge 6 and a level gauge tripod 7, wherein the distance measuring device 1 is connected with a first rotary locking mechanism 3 through a clamping device 2, the first rotary locking mechanism 3 is connected with a second rotary locking mechanism 4, the second rotary locking mechanism 4 is arranged at the top end of the distance measuring device tripod 5, and the distance measuring device tripod 5 is arranged on a workpiece 8 to be measured; the level 6 is arranged on a level tripod 7, the level tripod 7 being arranged on the same horizontal plane as the workpiece 8 to be measured.
The distance measuring device 1 comprises a laser distance measuring instrument body 11, wherein an X-direction level bubble 12 is arranged at the top of the front surface of the laser distance measuring instrument body 11 opposite to the level gauge 6, and a Y-direction level bubble 13 is arranged on one side surface adjacent to the front surface provided with the X-direction level bubble 12; a row of measuring staff 14 is arranged on one side of the X-direction level bubble 12, a plurality of control buttons 15 are arranged below the X-direction level bubble 12, and a display screen 16 is arranged below the control buttons 15; the bottom surface of laser range finder body 11 is equipped with laser emission mouth 17, laser emission mouth 17 aims at the measured work piece 8.
The first rotational locking mechanism 3 is used to adjust the X-direction position of the distance measuring device 1 (i.e. the X-direction vial 12) and the second rotational locking mechanism 4 is used to adjust the Y-direction position of the distance measuring device 1 (i.e. the Y-direction vial 13).
The visual axis of the level 6 is aligned with the distance measuring device 1 and is set as a reference plane.
A plurality of measuring points are uniformly distributed on the plane of the measured workpiece 8.
The operation method of the detection device of the utility model is as follows:
step one, distributing points
Referring to fig. 3, measuring points are determined on a measured workpiece according to the size of a plane, and are uniformly arranged at intervals;
step two, placing and adjusting the level gauge
Placing the level on a tripod, placing the level on the edge of a measured workpiece, and adjusting the level to be horizontal;
step three, measuring
The distance measuring device is clamped on a tripod, the tripod is placed on a measuring point, and the height of the tripod is adjusted, so that a field cross wire of the level is aimed at the middle position of a staff gauge of the distance measuring device;
the distance measuring device is adjusted through the rotary locking device in the X/Y directions, so that two blisters are positioned at the middle position;
a distance measuring switch is turned on to obtain the reading of a distance measuring device, and in the view field of the level gauge, the reading of a staff gauge is read through a cross wire, and the distance from the measuring point to a reference horizontal plane is obtained by adding the two numbers;
also in this way, data of the remaining measurement points are obtained;
step four, calculating
And recording the measured points into calculation software, and analyzing to obtain the planeness/straightness of the measured workpiece.
The foregoing is merely a specific application example of the present utility model, and the protection scope of the present utility model is not limited in any way. All technical schemes formed by equivalent transformation or equivalent substitution fall within the protection scope of the utility model.
Claims (5)
1. A flatness or straightness accuracy detection device of jumbo size work piece, its characterized in that: the device comprises a distance measuring device (1), a distance measuring device tripod (5), a level gauge (6) and a level gauge tripod (7), wherein the distance measuring device (1) is arranged on the distance measuring device tripod (5) through a rotary locking mechanism, and the distance measuring device tripod (5) is arranged on a workpiece (8) to be measured; the level gauge (6) is arranged on a level gauge tripod (7), and the level gauge tripod (7) is arranged on the same horizontal plane with the measured workpiece (8); the distance measuring device (1) comprises a laser distance measuring instrument body (11), wherein an X-direction level bubble (12) is arranged at the top of the front surface of the laser distance measuring instrument body (11) opposite to a level gauge (6), and a Y-direction level bubble (13) is arranged on one side surface adjacent to the front surface provided with the X-direction level bubble (12); a row of measuring staff (14) is arranged on one side of the X-direction level bubble (12); the bottom surface of laser range finder body (11) is equipped with laser emission mouth (17), laser emission mouth (17) aim at measured work piece (8).
2. The flatness or straightness detection apparatus for a large-sized work piece according to claim 1, wherein: the distance measuring device is characterized in that the distance measuring device (1) is connected with a first rotary locking mechanism (3) through a clamping device (2), the first rotary locking mechanism (3) is connected with a second rotary locking mechanism (4), and the second rotary locking mechanism (4) is arranged at the top end of a tripod (5) of the distance measuring device.
3. The flatness or straightness detection apparatus for a large-sized work piece according to claim 1, wherein: a plurality of control buttons (15) are arranged below the X-direction level bubble (12).
4. A flatness or straightness detection apparatus for a large-sized work piece according to claim 3, characterized in that: a display screen (16) is arranged below the control button (15).
5. The flatness or straightness detection apparatus for a large-sized work piece according to claim 1, wherein: and a plurality of measuring points are uniformly distributed on the plane of the measured workpiece (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321474261.8U CN220170195U (en) | 2023-06-12 | 2023-06-12 | Flatness or straightness detection device for large-size workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321474261.8U CN220170195U (en) | 2023-06-12 | 2023-06-12 | Flatness or straightness detection device for large-size workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220170195U true CN220170195U (en) | 2023-12-12 |
Family
ID=89052377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321474261.8U Active CN220170195U (en) | 2023-06-12 | 2023-06-12 | Flatness or straightness detection device for large-size workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220170195U (en) |
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2023
- 2023-06-12 CN CN202321474261.8U patent/CN220170195U/en active Active
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