CN222012966U - Angle measuring and distance measuring device for surveying and mapping - Google Patents
Angle measuring and distance measuring device for surveying and mapping Download PDFInfo
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- CN222012966U CN222012966U CN202420656601.7U CN202420656601U CN222012966U CN 222012966 U CN222012966 U CN 222012966U CN 202420656601 U CN202420656601 U CN 202420656601U CN 222012966 U CN222012966 U CN 222012966U
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Abstract
The utility model discloses an angle measurement and distance measurement device for surveying and mapping, belongs to the technical field of surveying and mapping, and can solve the problem that an existing steel tape and vernier caliper are large in measurement error in specific distances such as short distances between two measurement marks which are not directly viewed and are not on the same horizontal plane or vertical plane. The device comprises: a first measuring jaw having opposite first connecting and measuring ends; a second measuring jaw having opposite second connection and measurement ends; the first connecting end is hinged with the second connecting end; the first measuring end and the second measuring end are pointed ends; the first measuring claw is provided with a display screen, and the display screen is used for displaying an included angle between the first measuring claw and the second measuring claw; the first measuring jaw and/or the second measuring jaw may be telescopic in length. The utility model is used for angle measurement and distance measurement.
Description
Technical Field
The utility model relates to an angle measurement and distance measurement device for surveying and mapping, and belongs to the technical field of surveying and mapping.
Background
At present, concrete crack monitoring adopts embedded stainless steel marks, vernier calipers are used for reading measurement, the stainless steel marks are usually higher than concrete panels, the stainless steel marks belong to exposed marks, the use is wider, but certain crack monitoring projects have to adopt the common stainless steel marks embedded with belt type 'ten-piece wires' due to safety factors, the marks are embedded and then are flush with the concrete panels or slightly higher than the panels by 3-5mm, and the crack width measurement difficulty is increased and the accuracy is reduced due to the use of the marks. The manufacture of the novel practical and high-precision width measuring instrument is particularly important.
In the deformation monitoring projects of buildings such as dams, power stations, plants, slopes and the like, a cast-in-place belt is usually required to force a concrete observation pier of a centering plate to serve as a deformation monitoring datum point and a working datum point, in the measuring process, a total station, a target prism, a GNSS receiver and other instrument equipment are required to be erected on the top surface of the observation pier, after the equipment is arranged, the height of the observation pier is required to be measured, and for the high-precision projects, a vernier caliper is usually adopted for measurement, and due to the length and the structure of a measuring claw, a certain error exists in the measurement of the vernier caliper; if the common steel tape is adopted for measurement, the error is larger, and it is very important to manufacture and design more practical measuring equipment.
Disclosure of utility model
The utility model provides an angle measurement and distance measurement device for surveying and mapping, which can solve the problem that the measurement errors of the conventional steel tape and vernier caliper are large in specific distances such as short distances between two measurement marks which are not directly seen in the same horizontal plane or the vertical plane.
The utility model provides an angle and distance measuring device for surveying and mapping, which comprises:
A first measuring jaw having opposite first connecting and measuring ends;
A second measuring jaw having opposite second connection and measurement ends; the first connecting end is hinged with the second connecting end; the first measuring end and the second measuring end are pointed ends;
The first measuring claw is provided with a display screen which is used for displaying an included angle between the first measuring claw and the second measuring claw; the length of the first measuring jaw and/or the second measuring jaw is telescopic.
Optionally, the first measuring claw and the second measuring claw are provided with scales for measuring the length.
Optionally, the scale on the first measuring jaw starts from the first connecting end thereof; the scale on the second measuring jaw starts from its second connecting end.
Optionally, the first measuring claw and the second measuring claw are both provided with a ranging structure, and the ranging structure is used for measuring the lengths of the first measuring claw and the second measuring claw;
The display screen is connected with the range finding structure, the display screen still is used for showing the length of first measurement claw with the second measurement claw.
Optionally, the apparatus further includes:
The processing chip is embedded in the first measuring claw and is used for calculating the distance between the first measuring end and the second measuring end by utilizing a triangle cosine formula according to the included angle between the first measuring claw and the second measuring claw and the lengths of the first measuring claw and the second measuring claw.
Optionally, the processing chip is connected with the display screen, and the display screen is further used for displaying the distance between the first measuring end and the second measuring end.
Optionally, the first measuring claw and the second measuring claw are made of stainless steel.
The utility model has the beneficial effects that:
According to the angle measurement distance measuring device for surveying and mapping, the measuring ends of the two measuring claws are arranged to be pointed ends, and the lengths of the two measuring claws are telescopic, so that the distance between the measuring ends of the two measuring claws is calculated by using a triangle cosine formula according to the included angle of the two measuring claws and the respective lengths of the two measuring claws while the included angle is measured by the two measuring claws, the purpose of distance measurement is achieved, and the measuring precision is improved. The device has simple principle and strong operability; the production cost is low, and the method can be widely applied to mapping projects; meanwhile, the high-precision angle measurement function enables the distance measurement precision to be very high, and the professional mapping precision can be achieved.
Drawings
Fig. 1 is a schematic diagram of a closed state structure of an angle measurement and ranging device for mapping according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of an open state structure of an angle measurement and ranging device for mapping according to an embodiment of the present utility model;
Fig. 3 is a schematic diagram of a structure of measuring a crack by using an angle measurement ranging device for mapping according to an embodiment of the present utility model;
Fig. 4 is a schematic diagram of a telescopic structure of a measuring claw of the angle and distance measuring device for surveying and mapping according to an embodiment of the present utility model.
List of parts and reference numerals:
11. A first measuring jaw; 12. a second measuring jaw; 13. a display screen; 14. a hinge structure; 15. and (5) cracking.
Detailed Description
The present utility model is described in detail below with reference to examples, but the present utility model is not limited to these examples.
The embodiment of the utility model provides an angle measurement and distance measurement device for surveying and mapping, as shown in fig. 1 to 4, the device comprises:
A first measuring jaw 11 having opposite first connecting and measuring ends;
A second measuring jaw 12 having opposite second connection and measurement ends; the first connecting end is hinged with the second connecting end; the first measuring end and the second measuring end are pointed ends;
The first measuring claw 11 is provided with a display screen 13, and the display screen 13 is used for displaying an included angle alpha between the first measuring claw 11 and the second measuring claw 12; the first measuring jaw 11 and/or the second measuring jaw 12 are telescopic in length.
In practical applications, the first connection end and the second connection end may be hinged by adopting the hinge structure 14, and the embodiment of the utility model does not limit the specific structure of the hinge structure 14, and may adopt a structure in the prior art to realize hinge connection.
The embodiment of the present utility model is not limited to the telescopic structures of the first measuring jaw 11 and the second measuring jaw 12, and an existing sleeve structure may be used as an example.
The first measuring jaw 11 is provided with an angle sensor which can detect the angle α between the first measuring jaw 11 and the second measuring jaw 12. The angle measuring function can be realized by adopting the structure of the existing digital display angle measuring instrument, and the utility model is not limited to the structure.
Further, the device further comprises:
The processing chip is embedded in the first measuring claw 11 and is used for calculating the distance L between the first measuring end and the second measuring end by utilizing a triangle cosine formula according to the included angle between the first measuring claw 11 and the second measuring claw 12 and the lengths of the first measuring claw 11 and the second measuring claw 12.
Specifically, the two measuring claws and the measured length form a triangle, the measured length is calculated according to a triangle cosine formula, a programmable singlechip chip is implanted in the measuring claws to realize a triangle cosine formula algorithm, and the calculated length is displayed on the display screen 13.
The length R1 of the first measuring jaw 11 and the length R2 of the second measuring jaw 12 may be equal or unequal; the length R1 of the first measuring jaw 11 and the length R2 of the second measuring jaw 12 may be obtained in various ways; for example, a scale for measuring the length may be provided on the first measuring jaw 11 and the second measuring jaw 12, and the scale on the first measuring jaw 11 starts from the first connection end thereof; the scale on the second measuring jaw 12 starts from its second connection end. In making the length measurement, the length R1 of the first measuring jaw 11 and the length R2 of the second measuring jaw 12 may be read directly from the scale on the first measuring jaw 11 and the second measuring jaw 12.
Or a distance measuring structure for measuring the length of the first measuring jaw 11 and the second measuring jaw 12 may be provided on both the first measuring jaw 11 and the second measuring jaw 12; the display 13 is connected with the distance measuring structure, and the display 13 is used for showing the length of the first measuring claw 11 and the second measuring claw 12. The processing chip is connected with a display screen 13, and the display screen 13 is also used for displaying the distance L between the first measuring end and the second measuring end. The device can be used for measuring the length, width or height of various structures to be measured, for example, the width of the crack 15, the height of the GNSS receiver of the observation pier, the height of the prism of the observation pier, etc.
The embodiment of the utility model does not limit the specific type of the ranging structure, and only the purpose of measuring the distance between two ends of the measuring claw can be realized.
In practical applications, in order to ensure the firmness and durability of the angle measurement and distance measurement device for surveying and mapping, the first measurement claw 11 and the second measurement claw 12 may be made of stainless steel materials.
Referring to fig. 2, when the lengths of the first measuring jaw 11 and the second measuring jaw 12 are equal, i.e., r1=r2=r, the measured length L after the device is rotated α is calculated asReferring to FIG. 4, when the lengths of the first measuring jaw 11 and the second measuring jaw 12 are not equal, the measurement length L after the rotation of the device is calculated as
According to the angle measurement distance measuring device for surveying and mapping, the measuring ends of the two measuring claws are arranged to be pointed ends, and the lengths of the two measuring claws are telescopic, so that the distance between the measuring ends of the two measuring claws is calculated by using a triangle cosine formula according to the included angle of the two measuring claws and the respective lengths of the two measuring claws while the included angle is measured by the two measuring claws, the purpose of distance measurement is achieved, and the measuring precision is improved. The device has simple principle and strong operability; the production cost is low, and the method can be widely applied to mapping projects; meanwhile, the high-precision angle measurement function enables the distance measurement precision to be very high, and the professional mapping precision can be achieved.
While the application has been described in terms of preferred embodiments, it will be understood by those skilled in the art that various changes and modifications can be made without departing from the scope of the application, and it is intended that the application is not limited to the specific embodiments disclosed.
Claims (7)
1. An angular ranging device for mapping, the device comprising:
A first measuring jaw having opposite first connecting and measuring ends;
A second measuring jaw having opposite second connection and measurement ends; the first connecting end is hinged with the second connecting end; the first measuring end and the second measuring end are pointed ends;
The first measuring claw is provided with a display screen which is used for displaying an included angle between the first measuring claw and the second measuring claw; the length of the first measuring jaw and/or the second measuring jaw is telescopic.
2. The device according to claim 1, wherein the first measuring jaw and the second measuring jaw are provided with graduations for measuring the length.
3. The device of claim 2, wherein the scale on the first measuring jaw starts from its first connection end; the scale on the second measuring jaw starts from its second connecting end.
4. The device according to claim 1, wherein a distance measuring structure is arranged on each of the first measuring jaw and the second measuring jaw, and the distance measuring structure is used for measuring the lengths of the first measuring jaw and the second measuring jaw;
The display screen is connected with the range finding structure, the display screen still is used for showing the length of first measurement claw with the second measurement claw.
5. The apparatus according to any one of claims 1 to 4, further comprising:
The processing chip is embedded in the first measuring claw and is used for calculating the distance between the first measuring end and the second measuring end by utilizing a triangle cosine formula according to the included angle between the first measuring claw and the second measuring claw and the lengths of the first measuring claw and the second measuring claw.
6. The apparatus of claim 5, wherein the processing chip is coupled to the display screen, the display screen further configured to display a distance between the first measurement end and the second measurement end.
7. The apparatus of claim 1, wherein the first measuring jaw and the second measuring jaw are each stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420656601.7U CN222012966U (en) | 2024-04-01 | 2024-04-01 | Angle measuring and distance measuring device for surveying and mapping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420656601.7U CN222012966U (en) | 2024-04-01 | 2024-04-01 | Angle measuring and distance measuring device for surveying and mapping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222012966U true CN222012966U (en) | 2024-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420656601.7U Active CN222012966U (en) | 2024-04-01 | 2024-04-01 | Angle measuring and distance measuring device for surveying and mapping |
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| CN (1) | CN222012966U (en) |
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- 2024-04-01 CN CN202420656601.7U patent/CN222012966U/en active Active
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| CP03 | Change of name, title or address |
Address after: No. 57 East Street, Beilin District, Xi'an City, Shaanxi Province, 710004 Patentee after: Shaanxi Provincial Water Resources and Electric Power Survey and Design Institute (Group) Co.,Ltd. Country or region after: China Address before: No. 57 East Street, Beilin District, Xi'an City, Shaanxi Province, 710004 Patentee before: Shaanxi Institute of Water Conservancy and Electricity Survey and Design Country or region before: China |