Support for three-dimensional laser scanning measurement
By designing a bracket for three-dimensional laser scanning measurement, the problem of low data accuracy of three-dimensional laser scanners in underground cable wells is solved, and more efficient and stable three-dimensional data acquisition is achieved.
Patent Information
- Application Number
- CN202421011061.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-11
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-05-11
AI Technical Summary
In underground cable wells, the prior art performs point cloud measurement and modeling through long pole hoisting or manual handheld three-dimensional laser scanner, resulting in low data accuracy and unstable data, and the inability to effectively obtain ideal three-dimensional data.
A three-dimensional laser scanning and measuring bracket is designed, including the main rod body and the adjustment sleeve. Installation screws are installed at both ends of the main rod body for installing a three-dimensional laser scanner and a GPS/RTK measuring instrument. The slow sliding of the main rod body is achieved through the adjustment sleeve and the adjustment mechanism, and combined with the setting of the support tripod, it ensures the stability and precise lifting of the instrument.
Through the use of this bracket, the efficiency and quality of three-dimensional laser scanning measurement can be effectively improved, the high accuracy and stability of data can be ensured, and it is suitable for measurement scenarios in harsh environments such as underground shafts.
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Abstract
Description
Technical Field
[0001] The present application relates to the field of surveying and mapping technology, and more specifically, to a bracket for three-dimensional laser scanning measurement. Background Art
[0002] With the continuous development and progress of science and technology, two-dimensional graphics and image data can no longer meet the needs of people's daily production and life. After continuous development, the relevant supporting equipment of three-dimensional visualization technology has gradually improved. The use of three-dimensional visualization technology can more intuitively, conveniently and accurately display the real situation. The application field of three-dimensional visualization technology is becoming wider and wider. Therefore, the demand for three-dimensional data acquisition in various industries in society is becoming more and more prominent. In the power system, how to efficiently and accurately obtain the target three-dimensional data and use three-dimensional visualization technology to provide accurate and traceable data to operation and maintenance personnel has always been a research hotspot in related fields.
[0003] 3D laser scanning technology, also known as real-scene replication technology, is a technological revolution in the field of surveying and mapping after GPS technology. It breaks through the traditional single-point measurement method and has the unique advantages of high efficiency and high precision. 3D laser scanning technology can provide 3D point cloud data on the surface of the scanned object, so it can be used to obtain high-precision and high-resolution digital terrain models.
[0004] Due to the dim light, narrow space and harsh environment in underground cable wells, the existing technology mostly uses long-pole hoisting or manual hand-held 3D laser scanners to penetrate into the wells to perform point cloud measurement and modeling. However, the long-pole hoisting or manual hand-held data collection method is not stable enough, the accuracy of the data obtained is not high, and the final result of obtaining 3D data is not ideal. Utility Model Content
[0005] In order to solve the above problems, the present application provides a bracket for three-dimensional laser scanning measurement.
[0006] The present application provides a three-dimensional laser scanning measurement bracket adopts the following technical solution:
[0007] A bracket for three-dimensional laser scanning measurement includes a main rod body and an adjustment sleeve. Both ends of the main rod body are provided with mounting screw holes, the bottom screw hole is used to install a three-dimensional laser scanner, and the top screw hole is used to install a GPS / RTK measuring instrument. The adjustment sleeve is sleeved on the outside of the main rod body, and the outer wall of the main rod body is movably connected to a supporting tripod. The top end of the adjustment sleeve is fixedly connected to an adjustment mechanism for controlling the main rod body to slide slowly inside the adjustment sleeve.
[0008] Furthermore, the adjustment mechanism includes an outer shell and an adjustment handle. The interior of the outer shell is provided with a cavity connected to the inner cavity of the adjustment sleeve. A friction wheel is rotatably connected in the cavity. There are two friction wheels, which are tightly fitted on both sides of the main rod body. The adjustment handle is fixedly connected to the rotating shaft of one of the friction wheels.
[0009] Furthermore, a main rod fixing bolt is threadedly connected to the side wall of the outer shell.
[0010] Furthermore, the supporting tripod includes a tripod top support plate, a tripod bottom support plate, a tripod adjustment column and a tripod connecting rod. The tripod top support plate is fixedly connected to the outer wall of the middle part of the adjustment sleeve, the tripod bottom support plate is located below the tripod top support plate and is slidably connected to the outer wall of the adjustment sleeve, the tripod adjustment column is hinged to the tripod top support plate, and the two ends of the tripod connecting rod are respectively hinged to the tripod bottom support plate and the tripod adjustment column.
[0011] Furthermore, the tripod adjustment column is composed of three groups of telescopically adjustable hollow rods.
[0012] Furthermore, a tripod fixing bolt is threadedly connected to the side wall of the tripod bottom support plate.
[0013] In summary, the present application includes at least one of the following beneficial technical effects:
[0014] (1) Through the mounting screws at both ends of the main rod, a 3D laser scanner and a GPS / RTK measuring instrument can be installed at the same time. When in use, the GPS obtains the geodetic coordinate position, and the 3D laser scanner obtains the 3D size of the object being measured, which can effectively improve the measurement efficiency and quality;
[0015] (2) By setting up the supporting tripod, the instrument can be stably set up. By setting up the adjusting sleeve and the adjusting mechanism, the main rod can drive the instrument to rise and fall slowly and stably, further improving the stability of the instrument. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the usage status of this application;
[0017] Figure 2 This is a schematic diagram of the structure of this application;
[0018] Figure 3 for Figure 2 Enlarged view of point A in the middle.
[0019] Description of the numbers in the figure:
[0020] 1. Main pole body; 2. Adjustment sleeve; 3. Support tripod; 31. Tripod top support plate; 32. Tripod bottom support plate; 33. Tripod adjustment column; 34. Tripod connecting rod; 35. Tripod fixing bolt; 4. Adjustment mechanism; 41. Outer shell; 42. Adjustment handle; 43. Friction wheel; 44. Main pole fixing bolt. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application without making creative work are within the scope of protection of the present application.
[0022] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0023] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0024] Embodiment 1:
[0025] The following is combined with Figure 1-3 This application is described in further detail.
[0026] The embodiment of the present application discloses a bracket for three-dimensional laser scanning measurement, including a main pole body 1 and an adjusting sleeve 2. Both ends of the main pole body 1 are provided with mounting screw holes, the bottom screw hole is used to install a three-dimensional laser scanner, and the top screw hole is used to install a GPS / RTK measuring instrument. The adjusting sleeve 2 is sleeved on the outside of the main pole body 1, and the outer wall of the main pole body 1 is movably connected to a supporting tripod 3. The top end of the adjusting sleeve 2 is fixedly connected to an adjusting mechanism 4 for controlling the main pole body 1 to slowly slide inside the adjusting sleeve 2.
[0027] See also Figure 2-3 The adjustment mechanism 4 includes an outer shell 41 and an adjustment handle 42. The outer shell 41 is provided with a cavity connected to the inner cavity of the adjustment sleeve 2. A friction wheel 43 is rotatably connected in the cavity. There are two friction wheels 43, which are tightly fitted on both sides of the main rod body 1. The adjustment handle 42 is fixedly connected to the rotating shaft of one of the friction wheels 43. The side wall of the friction wheel 43 is preferably made of liquid silicone material. During installation, it should be interference fit with the main rod body 1 to increase friction.
[0028] Preferably, a main rod fixing bolt 44 is threadedly connected to the side wall of the outer shell 41 to lock the main rod.
[0029] See also Figure 1-2 The supporting tripod 3 includes a tripod top support plate 31, a tripod bottom support plate 32, a tripod adjustment column 33 and a tripod connecting rod 34. The tripod top support plate 31 is fixedly connected to the outer wall of the middle part of the adjusting sleeve 2, the tripod bottom support plate 32 is located below the tripod top support plate 31 and is slidably connected to the outer wall of the adjusting sleeve 2, the tripod adjustment column 33 is hinged to the tripod top support plate 31, and the two ends of the tripod connecting rod 34 are respectively hinged to the tripod bottom support plate 32 and the tripod adjustment column 33.
[0030] Preferably, the tripod adjustment column 33 is three sets of telescopically adjustable hollow rods, which facilitates the adjustment of the support height and the size of the bracket.
[0031] Preferably, a tripod fixing bolt 35 is threadedly connected to the side wall of the tripod bottom support plate 32 to facilitate locking the expansion size of the tripod adjustment column 33.
[0032] The implementation principle of a three-dimensional laser scanning measurement bracket in the embodiment of the present application is as follows: through the mounting screws at both ends of the main rod body 1, a three-dimensional laser scanner and a GPS / RTK measuring instrument can be installed at the same time. When in use, the geodetic coordinate position is obtained through GPS, and the three-dimensional laser scanner obtains the three-dimensional size of the object to be measured, which can effectively improve the measurement efficiency and quality. Specifically, in the measurement scenario of an underground well, the three-dimensional laser scanner is installed at the bottom of the main rod body 1, and the sliding of the main rod body 1 in the adjustment sleeve 2 is adjusted to drive the scanner to rise and fall vertically in the well, and the coordinates of the top GPS / RTK measuring instrument are obtained at the same time, so as to further improve the measurement accuracy and measurement efficiency. Accordingly, through the setting of the support tripod 3, it can be stably erected, and through the setting of the adjustment sleeve 2 and the adjustment mechanism 4, when in use, the adjustment handle 42 is turned to drive the internal friction wheel 43 to rotate, and the friction between the friction wheel 43 and the main rod body 1 can be used to achieve that the main rod body 1 drives the instrument to rise and fall slowly and steadily, further improving the use stability of the instrument.
[0033] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A three-dimensional laser scanning measurement bracket, characterized in that: The invention comprises a main rod body (1) and an adjusting sleeve (2), wherein both ends of the main rod body (1) are provided with mounting screw holes, the bottom screw hole is used for mounting a three-dimensional laser scanner, and the top screw hole is used for mounting a GPS / RTK measuring instrument, the adjusting sleeve (2) is sleeved on the outside of the main rod body (1), the outer wall of the main rod body (1) is movably connected to a supporting tripod (3), and the top end of the adjusting sleeve (2) is fixedly connected to an adjusting mechanism (4) for controlling the main rod body (1) to slide slowly inside the adjusting sleeve (2).
2. A three-dimensional laser scanning measurement bracket according to claim 1, characterized in that: The adjusting mechanism (4) comprises an outer shell (41) and an adjusting handle (42). The outer shell (41) is provided with a cavity which is in communication with the inner cavity of the adjusting sleeve (2). A friction wheel (43) is rotatably connected to the cavity. There are two friction wheels (43), which are respectively tightly fitted on two sides of the main rod body (1). The adjusting handle (42) is fixedly connected to the rotating shaft of one of the friction wheels (43).
3. The three-dimensional laser scanning measurement bracket according to claim 2, characterized in that: A main rod fixing bolt (44) is also threadedly connected through the side wall of the outer shell (41).
4. The three-dimensional laser scanning measurement bracket according to claim 1, characterized in that: The supporting tripod (3) comprises a tripod top support plate (31), a tripod bottom support plate (32), a tripod adjustment column (33) and a tripod connecting rod (34); the tripod top support plate (31) is fixedly connected to the outer wall of the middle part of the adjustment sleeve (2); the tripod bottom support plate (32) is located below the tripod top support plate (31) and is slidably connected to the outer wall of the adjustment sleeve (2); the tripod adjustment column (33) is hinged to the tripod top support plate (31); and the two ends of the tripod connecting rod (34) are respectively hinged to the tripod bottom support plate (32) and the tripod adjustment column (33).
5. The three-dimensional laser scanning measurement bracket according to claim 4, characterized in that: The tripod adjustment column (33) is composed of three groups of telescopically adjustable hollow rod bodies.
6. The three-dimensional laser scanning measurement bracket according to claim 4, characterized in that: A tripod fixing bolt (35) is threadedly connected through the side wall of the tripod bottom support plate (32).
Citation Information
Cited By
Adjusting device of laser scanner
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