CN215491607U - Bidirectional displacement calibration device - Google Patents
Bidirectional displacement calibration device Download PDFInfo
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- CN215491607U CN215491607U CN202121339769.8U CN202121339769U CN215491607U CN 215491607 U CN215491607 U CN 215491607U CN 202121339769 U CN202121339769 U CN 202121339769U CN 215491607 U CN215491607 U CN 215491607U
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Abstract
The utility model discloses a bidirectional displacement calibration device, which comprises a rectangular frame, wherein an upper cross beam and a lower cross beam are both provided with scales, first long round holes for mounting a dial indicator are cast on two sides of the upper cross beam, a vertical graduated scale capable of sliding along the cross beam is arranged on the cross beam of the frame, and the vertical graduated scale is connected with the cross beam through a scale frame; the vertical dividing ruler is divided into an upper section and a lower section, can vertically slide, and is also cast with a second long round hole for installing the electronic dial indicator; the upper section and the lower section of the vertical graduated scale are connected by a spherical hinge, and the spherical hinge can be opened and closed so as to install the flexible rod type sensor. The bidirectional displacement calibration device provided by the utility model can accurately perform indoor calibration of the flexible rod type displacement sensor; a plurality of calibration devices can be used simultaneously to calibrate the flexible sensors in multiple sections; high efficiency, high precision and convenient operation.
Description
Technical Field
The utility model belongs to the field of displacement sensor calibration, and relates to a bidirectional displacement calibration device.
Background
The calibration of the flexible rod type displacement sensor for monitoring the tunnel deformation in the three-dimensional space is the most important point for establishing a monitoring algorithm, and a high-precision calibration device is needed.
However, in the prior art, no special displacement calibration device which is high in precision, convenient to read and suitable for the flexible rod type displacement sensor exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides a bidirectional displacement calibration device.
In order to achieve the purpose, the method is realized by the following technical scheme:
the utility model provides a two-way displacement calibration device, includes bracket, rectangular frame, crossbeam, wherein: the two brackets are used for being fixed on the ground of the tunnel deformation monitoring system; the rectangular frame is movably connected to the bracket; the upper and lower beams are provided with scales; first long round holes for installing a dial indicator are formed in two sides of the cross beam; a vertical graduated scale which can slide along the cross beam is arranged on the cross beam of the rectangular frame, and the vertical graduated scale is connected with the cross beam through a scale frame; the vertical dividing ruler is divided into an upper section and a lower section and can vertically slide; the ruler frame is also provided with a second long circular hole for mounting an electronic dial indicator; the upper section and the lower section of the vertical graduated scale are connected by a spherical hinge; the spherical hinge can be opened and closed and is used for installing a flexible rod type displacement sensor in the tunnel deformation monitoring system.
Preferably, the rectangular frame is connected with the two cylindrical brackets through movable bolts so as to be fixed on the ground and adjust the rectangular frame to be coincident with a vertical plane; the bracket can be stretched and contracted so as to fix the rectangular frame on the ground and adjust the level of the upper cross beam and the lower cross beam of the rectangular frame.
The beneficial effects of the utility model include:
the provided bidirectional displacement calibration device can accurately perform indoor calibration of the flexible rod type displacement sensor; a plurality of calibration devices can be used simultaneously to calibrate the flexible sensors in multiple sections; high efficiency, high precision and convenient operation.
Drawings
Fig. 1 is a schematic front view of the bidirectional displacement calibration device of the present invention.
Reference numbers in the figures:
1. a rectangular frame; 2. a first oblong hole; 3. a vertical scale; 4. a ruler frame; 5. a second oblong hole; 6. spherical hinge; 7. a bracket; 8. a movable bolt; 11. a cross member.
Detailed Description
The utility model is described in detail below with reference to the attached drawing figures:
as shown in fig. 1, the bidirectional displacement calibration device comprises a rectangular frame 1 with scales on both upper and lower beams, first long round holes 2 for installing a micrometer are cast on both sides of the upper beam, a vertical scale 3 capable of sliding along the beam is arranged on the beam of the frame 1, and the vertical scale 3 is connected with the beam through a scale frame 4; the vertical dividing ruler 3 is divided into an upper section and a lower section, can vertically slide, and is also cast with a second long round hole 5 for mounting an electronic dial indicator on the ruler frame 4; the upper section and the lower section of the vertical graduated scale 3 are connected by a spherical hinge 6, and the spherical hinge 6 can be opened and closed so as to install the flexible rod type sensor.
The rectangular frame 1 is connected with two cylindrical brackets 7 through movable bolts 8 so as to be fixed on the ground and adjust the rectangular frame 1 to be coincident with a vertical plane, and the two cylindrical brackets 7 can be stretched and contracted so as to fix the rectangular frame 1 on the ground and adjust the level of an upper cross beam and a lower cross beam of the rectangular frame 1.
After having the above structural features, the present invention can be implemented in the field according to the following procedures:
when the device is applied on site, a plurality of bidirectional displacement calibration devices are generally used simultaneously;
s1) placing the calibration device on the ground, and firstly adjusting the lengths of the two brackets 7 to enable the cross beam of the rectangular frame 1 to be horizontal; then the rectangular frame 1 is rotated, the plane where the lifting frame is located is adjusted to be coincident with the vertical plane, and movable bolts for connecting the lifting frame and the two brackets 7 are screwed;
s2) a dial indicator for measuring and reading is installed and fixed on the rectangular frame 1 and the ruler frame 4 through the first long circular hole 2 and the second long circular hole 5 and is zeroed;
s3), the flexible rod sensor is installed, and then the horizontal position of the vertical scale 3, the vertical position of the ball hinge 6 are moved, and reading measurement is performed.
The bidirectional displacement calibration device provided by the utility model has the following technical advantages:
the device can accurately calibrate the indoor of the flexible rod type displacement sensor; a plurality of calibration devices can be used simultaneously to calibrate the flexible sensors in multiple sections; high efficiency, high precision and convenient operation.
The embodiments of the present invention are merely illustrative, and not restrictive, of the scope of the claims, and other substantially equivalent alternatives may occur to those skilled in the art and are within the scope of the present invention.
Claims (2)
1. The bidirectional displacement calibration device is characterized by comprising a bracket (7), a rectangular frame (1) and a cross beam (11), wherein:
the two brackets (7) are used for being fixed on the tunnel deformation monitoring system on the ground;
the rectangular frame (1) is movably connected to the bracket (7);
the upper and lower beams are provided with scales; two sides of the cross beam are provided with first long round holes (2) for mounting a dial indicator;
a vertical graduated scale (3) which can slide along the cross beam is arranged on the cross beam of the rectangular frame (1), and the vertical graduated scale (3) is connected with the cross beam through a scale frame (4);
the vertical dividing ruler (3) is divided into an upper section and a lower section and can vertically slide;
the ruler frame (4) is also provided with a second long circular hole (5) for mounting an electronic dial indicator;
the upper section and the lower section of the vertical graduated scale (3) are connected by a spherical hinge (6);
the spherical hinge (6) can be opened and closed and is used for installing a flexible rod type displacement sensor in the tunnel deformation monitoring system.
2. The bidirectional displacement calibration device of claim 1, wherein the rectangular frame (1) is connected with the two corbels (7) through movable bolts (8) for fixing on the ground and adjusting the rectangular frame (1) to be coincident with a vertical plane; the bracket (7) can be stretched and retracted to fix the rectangular frame (1) on the ground and adjust the level of the upper cross beam and the lower cross beam of the rectangular frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121339769.8U CN215491607U (en) | 2021-06-16 | 2021-06-16 | Bidirectional displacement calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121339769.8U CN215491607U (en) | 2021-06-16 | 2021-06-16 | Bidirectional displacement calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215491607U true CN215491607U (en) | 2022-01-11 |
Family
ID=79719069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121339769.8U Active CN215491607U (en) | 2021-06-16 | 2021-06-16 | Bidirectional displacement calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215491607U (en) |
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2021
- 2021-06-16 CN CN202121339769.8U patent/CN215491607U/en active Active
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