CN111982032B - Flatness measuring device for building engineering - Google Patents
Flatness measuring device for building engineering Download PDFInfo
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- CN111982032B CN111982032B CN202010878954.8A CN202010878954A CN111982032B CN 111982032 B CN111982032 B CN 111982032B CN 202010878954 A CN202010878954 A CN 202010878954A CN 111982032 B CN111982032 B CN 111982032B
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- measuring
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- groove
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- flatness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
Abstract
The invention provides a flatness measuring device for constructional engineering, which comprises a controller, a measuring plate, four groups of adjusting devices and a plurality of movable measuring platforms, wherein the measuring plate is arranged on the controller; four groups of adjusting devices are respectively arranged at four corners of the bottom of the measuring plate, and each adjusting device comprises a screw and a sleeve in threaded fit with the screw; a limiting plate is fixedly arranged on the outer diameter of the sleeve, and two ends of the limiting plate are respectively provided with a group of fine adjustment devices for adjusting the angle of the surface of the measuring plate; the top of the measuring plate is provided with a plurality of strip through grooves along the length direction; the moving block is erected in the long through groove through a driving device and is driven to move through the driving device; the measuring disc is connected with the bottom of the moving block through a plurality of telescopic rods, the laser range finder is arranged at the top of the measuring disc, and the supporting rod is fixedly arranged at the bottom of the measuring disc; the top of the measuring plate is fixedly provided with a spring, the other end of the spring is connected with a pressure sensor, and the pressure sensor is arranged at the bottom of the moving block. The device can accurately measure the flatness of the building plane.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a flatness measuring device for constructional engineering.
Background
The flatness error refers to the variation of the measured actual surface relative to the ideal plane, and the position of the ideal plane should meet the minimum condition. The plate flatness error refers to the difference between the actual surface of the plate after machining and the theoretical ideal plane. In the construction industry, flatness inspection of a finished plane of a building is required to determine whether construction quality meets a standard.
Because the building has planes with various angles, the measurement environment is more complex, and the common horizontal vacuole measurement mode cannot meet the requirement; meanwhile, the existing measuring device cannot adjust the plane to be measured and the self plane to be measured to be parallel planes, and further has low flatness measurement precision on the building plane.
Therefore, the application provides a novel flatness measuring device for construction engineering.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a flatness measuring apparatus for construction engineering. The device can accurately measure the flatness of the building plane.
In order to achieve the above purpose, the present invention provides the following technical solutions.
A flatness measuring device for construction engineering comprises a controller, a measuring plate, four groups of adjusting devices and a plurality of movable measuring platforms;
the four groups of adjusting devices are respectively arranged at four corners of the bottom of the measuring plate, and each adjusting device comprises a screw and a sleeve in threaded fit with the screw; a limiting plate is fixedly arranged on the outer diameter of the sleeve, two ends of the limiting plate are respectively provided with a group of fine adjustment devices, and the fine adjustment devices are arranged on a plane to be measured and used for adjusting the angle of the surface of the measuring plate;
the top of the measuring plate is provided with a plurality of long through grooves matched with the movable measuring platform along the length direction; glance sideways the movable measuring platforms all comprise a movable block, a driving device and a measuring column arranged at the bottom of the movable block; the moving block is erected in the long through groove through a driving device and is driven to move through the driving device;
the measuring column comprises a measuring disc, a laser range finder and a supporting rod; the measuring disc is connected with the bottom of the moving block through a plurality of telescopic rods, the laser range finder is arranged at the top of the measuring disc, and the supporting rod is fixedly arranged at the bottom of the measuring disc; a spring is fixedly arranged at the top of the measuring disc, the other end of the spring is connected with the pressure sensor, and the pressure sensor is arranged at the bottom of the moving block; the laser range finder is arranged inside the spring;
the controller is electrically connected with the pressure sensor and the laser range finder.
Preferably, the fine adjustment device comprises two scale plates and four limit screws; two ends of the limiting plate are respectively provided with a square through groove with one open side, the two scale plates are respectively arranged in one square through groove in a sliding manner, and two sides of each scale plate are respectively provided with a long-strip groove along the length direction; the four limiting screws are arranged on two sides of two ends of the limiting plate, and each limiting screw penetrates through the limiting plate and is in threaded connection with one strip-shaped groove.
Preferably, a scale strip is arranged on one outward side of the scale plate, a pointer is fixedly arranged on one side of the opening of the square through groove, and the pointer is arranged in front of the scale strip; a base is fixedly arranged at the bottom of each scale plate; the base is below the screw.
Preferably, the driving device comprises a motor and a lead screw arranged in the long through groove; a motor groove is formed in one end of the long through groove, the motor is fixedly arranged in the motor groove, and an output shaft of the motor penetrates through the groove wall of the motor groove and is in transmission connection with one end of the lead screw; the other end of the lead screw penetrates through the moving block and is rotatably connected with the other end of the long through groove, and the lead screw is in threaded fit with the moving block; the controller is electrically connected with the motor.
Preferably, the end of the support rod is in threaded connection with a roller.
Preferably, a display is also included; the display is embedded in one end of the top of the measuring plate, and the display is electrically connected with the controller
The invention has the beneficial effects that:
the invention provides a flatness measuring device for building engineering, which adjusts the parallelism between the device and a plane to be measured through adjusting devices arranged at four corners of a measuring plate, levels by acquiring the value of each pressure sensor, and establishes a plane reference so as to improve the accuracy of flatness measurement of the plane to be measured with an angle; the area of single effective measurement is enlarged by arranging a plurality of movable measurement platforms which can be driven to move by a driving device; the distance between the measuring disc and the measuring plate is measured through the laser range finder, the distance is equivalent to the condition of the flatness of the plane to be tested, the flatness is displayed through the displayer, and the measuring result is accurate.
The invention is further described with reference to the following figures and examples.
Drawings
Fig. 1 is an overall configuration diagram of a flatness measuring apparatus for construction work according to an embodiment of the present invention;
FIG. 2 is a structural diagram of a mobile measuring platform of the flatness measuring apparatus for construction engineering according to an embodiment of the present invention;
fig. 3 is a structural view of an adjusting device of a flatness measuring apparatus for construction work according to an embodiment of the present invention;
fig. 4 is a plan view of a flatness measuring apparatus for construction work according to an embodiment of the present invention.
In the figure: 1. a base; 2. a scale plate; 3. a sleeve; 4. a screw; 5. measuring a plate; 6. a motor; 7. a moving block; 8. a lead screw; 9. a roller; 10. a support bar; 11. a measuring disc; 12. a spring; 13. a limiting plate; 14. a telescopic rod; 15. a laser range finder; 16. a limit screw; 17. a scale bar; 18. a pointer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Examples
A flatness measuring device for building engineering is shown in figures 1-4 and comprises a controller, a measuring plate 5, four groups of adjusting devices and a plurality of movable measuring platforms;
four groups of adjusting devices are respectively arranged at four corners of the bottom of the measuring plate 5, as shown in fig. 3, each adjusting device comprises a screw rod 4 and a sleeve 3 in threaded fit with the screw rod 4, so that the overall height of the measuring plate 5 can be conveniently adjusted, and the measuring plate is suitable for flatness tests of various occasions; a limiting plate 13 is fixedly arranged on the outer diameter of the sleeve 3, and two ends of the limiting plate 13 are respectively provided with a group of fine adjustment devices for adjusting the surface angle of the measuring plate 5 to be used as a plane reference;
the top of the measuring plate 5 is fixedly provided with a plurality of strip through grooves along the length direction; each mobile measuring platform is arranged in one strip through groove, as shown in fig. 4, and comprises a moving block 7, a driving device and a measuring column arranged at the bottom of the moving block 7, as shown in fig. 2; the moving block 7 is erected in the long through groove through the driving device and is driven to move through the driving device, a plurality of moving measuring platforms form a measuring line, and the flatness measuring result is more accurate;
the measuring column comprises a measuring disc 11, a laser range finder 15 and a supporting rod 10, as shown in fig. 2; the measuring disc 11 is connected with the bottom of the moving block 7 through a plurality of telescopic rods 14, the laser range finder 15 is arranged at the top of the measuring disc 11, and the support rod 10 is fixedly arranged at the bottom of the measuring disc 11; a spring 12 is fixedly arranged at the top of the measuring disc 11, the other end of the spring is connected with a pressure sensor, the pressure sensor is arranged at the bottom of the moving block 7, and the pressure sensor is used for adjusting plane reference; during testing, the laser range finder 15 can acquire distance information at different moments, and the flatness condition can be acquired according to the curve of the distance information under the time axis;
the controller is electrically connected to the pressure sensor and the laser rangefinder 15.
Preferably, the fine adjustment means comprise two graduated plates 2 and four limit screws 16, as shown in fig. 3; two ends of the limiting plate 13 are both provided with a square through groove with one open side, the two scale plates 2 are respectively arranged in the square through groove in a sliding manner, and two sides of each scale plate 2 are both provided with a long-strip groove along the length direction; four limit screws 16 are arranged on two sides of two ends of the limit plate 13, and each limit screw 16 penetrates through the limit plate 13 and is in threaded connection with one strip-shaped groove. The scale plate 2 can slide in the long-strip groove and is limited by the limiting screw 16, so that fine adjustment is realized.
Preferably, a scale strip 17 is arranged on one outward side of the scale plate 2, a pointer 18 is fixedly arranged on one side of the opening of the square through groove, and the pointer 18 is arranged in front of the scale strip 17; the bottom of each scale plate 2 is fixedly provided with a base 1; the scale plate 2 with scales facilitates fine adjustment of height, and is indicated by a pointer, so that the scale plate is more visual.
Specifically, the driving device comprises a motor 6 and a lead screw 8 arranged in the long through groove; a motor groove is formed in one end of the long through groove, the motor 6 is fixedly arranged in the motor groove, and an output shaft of the motor 6 penetrates through the wall of the motor groove and is in transmission connection with one end of the lead screw 8; the other end of the lead screw 8 penetrates through the moving block 7 and is rotatably connected with the end part of the long through groove, and the lead screw 8 is in threaded fit with the moving block 7; the controller is electrically connected with the motor 6; the horizontal movement of the moving block 7 is realized by adopting a driving mode of a motor lead screw.
In addition, the end part of the support rod 10 is in threaded connection with a roller 9, so that the walking of the measuring column is facilitated.
In addition, the device also comprises a display; the display is embedded in the one end at measurement board 5 top, and the display is connected with the controller electricity for show test result conveniently looks over and analyzes.
In the present embodiment, the first and second electrodes are,
determining the plane reference of a plane to be measured before measurement: the device is arranged on a plane to be measured, and the height of the measuring plate 5 is adjusted according to the structural condition of the plane to be measured, namely the height is greatly adjusted by rotating the sleeve 3; the controller sends an instruction to the motor 6, the motor 6 rotates to drive the lead screw 8 to rotate, and further drives the moving block 7 to move, all the moving blocks move to one end of the long through groove, all the springs 12 are pressed, the values of all the pressure sensors are observed through the display, all the fine adjustment devices are adjusted until the values detected by all the pressure sensors are close, then the motor 6 is driven to move all the moving blocks 7 to the other end, the values of all the pressure sensors are observed through the display, all the fine adjustment devices are adjusted, the pressure points are close, and further the plane reference of the measuring plane is determined;
wherein, the scale plate 2 in the fine adjustment device is provided with a scale bar, and the scale plate 2 can be slid to adjust the height by loosening the limit screws 16 at the two sides; because the length of each supporting rod 10 is the same, when the detected pressure values are the same, the measuring plate 5 and the plane to be tested can be determined to be in a parallel state;
during measurement, the corresponding moving blocks 7 are moved by the driving motors 6 to drive the supporting rod 10 at the bottom to move, and the value detected by the laser range finder 15 in real time is displayed in the display at the moment; when unevenness occurs, the supporting rod 10 moves upwards or downwards, and then the spring 12 is compressed or extended, so that the real-time value detected by the laser range finder 15 is reduced or increased, the real-time value can be recorded, and finally the flatness condition of the building plane can be evaluated;
in addition, the measurement range is increased by adopting multiple sets of mobile measurement devices.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The flatness measuring device for the building engineering is characterized by comprising a controller, a measuring plate (5), four groups of adjusting devices and a plurality of movable measuring platforms;
the four groups of adjusting devices are respectively arranged at four corners of the bottom of the measuring plate (5), and each adjusting device comprises a screw rod (4) fixed with the bottom of the measuring plate (5) and a sleeve (3) in threaded fit with the screw rod (4); a limiting plate (13) is fixedly arranged on the outer diameter of the sleeve (3), two ends of the limiting plate (13) are respectively provided with a group of fine adjustment devices, and the fine adjustment devices are arranged on a plane to be measured and used for adjusting the plate surface angle of the measuring plate (5);
the top of the measuring plate (5) is provided with a plurality of long through grooves matched with the movable measuring platform along the length direction; each mobile measuring platform comprises a moving block (7), a driving device and a measuring column arranged at the bottom of the moving block (7); the moving block (7) is erected in the long through groove through a driving device and is driven to move through the driving device;
the measuring column comprises a measuring disc (11), a laser range finder (15) and a supporting rod (10); the measuring disc (11) is connected with the bottom of the moving block (7) through a plurality of telescopic rods (14), the laser range finder (15) is arranged at the top of the measuring disc (11), and the support rod (10) is fixedly arranged at the bottom of the measuring disc (11); a spring (12) is fixedly arranged at the top of the measuring disc (11), the other end of the spring is connected with a pressure sensor, and the pressure sensor is arranged at the bottom of the moving block (7); the laser range finder (15) is arranged inside the spring (12);
the controller is electrically connected with the pressure sensor and the laser range finder (15).
2. Flatness measuring device for construction engineering according to claim 1, characterized in that each fine adjustment means comprises two scale plates (2) and four limit screws (16); two ends of the limiting plate (13) are respectively provided with a square through groove with one open side, the two scale plates (2) are respectively arranged in the square through grooves in a sliding manner, and two sides of each scale plate (2) are respectively provided with a long groove along the length direction; four stop screws (16) set up the both sides at the both ends of limiting plate (13), every stop screw (16) all pass limiting plate (13), and with one rectangular recess screw thread joint.
3. The flatness measuring device for construction engineering according to claim 2, wherein a scale strip (17) is arranged on one outward side of the scale plate (2), a pointer (18) is fixedly arranged on one side of the opening of the square through groove, and the pointer (18) is arranged in front of the scale strip (17); every scale plate (2) bottom is fixed and is provided with base (1), base (1) is in the below of screw rod (4).
4. Flatness measuring device for construction engineering according to claim 1, characterized in that said driving means comprise a motor (6) and a lead screw (8) arranged in said elongated through slot; a motor groove is formed in one end of the long through groove, the motor (6) is fixedly arranged in the motor groove, and an output shaft of the motor (6) penetrates through the groove wall of the motor groove and is in transmission connection with one end of the lead screw (8); the other end of the lead screw (8) penetrates through the moving block (7) and is rotatably connected with the other end of the long through groove, and the lead screw (8) is in threaded fit with the moving block (7); the controller is electrically connected with the motor (6).
5. Flatness measuring device for construction engineering according to claim 1, characterized in that the ends of the support bar (10) are screwed with rollers (9).
6. The flatness measuring device for construction engineering according to claim 1, further comprising a display; the display is embedded in one end of the top of the measuring plate (5), and the display is electrically connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010878954.8A CN111982032B (en) | 2020-08-27 | 2020-08-27 | Flatness measuring device for building engineering |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010878954.8A CN111982032B (en) | 2020-08-27 | 2020-08-27 | Flatness measuring device for building engineering |
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| CN111982032A CN111982032A (en) | 2020-11-24 |
| CN111982032B true CN111982032B (en) | 2022-01-25 |
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| CN202010878954.8A Active CN111982032B (en) | 2020-08-27 | 2020-08-27 | Flatness measuring device for building engineering |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113607121A (en) * | 2021-08-04 | 2021-11-05 | 湖南科创高新工程检测有限公司 | Building engineering quality detection device |
| CN114485428A (en) * | 2021-12-22 | 2022-05-13 | 青岛金沙滩建设集团有限公司 | Building prefabricated component overall dimension measuring device capable of reducing reset time |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3418819B2 (en) * | 1998-01-13 | 2003-06-23 | 東芝セラミックス株式会社 | Plate flatness measuring device |
| CN102853787A (en) * | 2012-09-14 | 2013-01-02 | 昆山允可精密工业技术有限公司 | Flatness measurement device and method for surface high-reflectivity materials |
| CN206440247U (en) * | 2017-02-09 | 2017-08-25 | 王文 | A kind of novel building construction quality flatness checking device |
| CN207636040U (en) * | 2017-12-22 | 2018-07-20 | 珠海市瑞信精密科技有限公司 | Cooling fin flatness detecting instrument |
| CN210603232U (en) * | 2019-11-21 | 2020-05-22 | 咸阳职业技术学院 | Metal plate surface flatness detection device |
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