High-precision laser ranging calibration device for geographic surveying and mapping

Abstract

The utility model relates to the technical field of geographic surveying and mapping, in particular to a high-precision laser ranging calibration device for geographic surveying and mapping, which comprises a main frame, a detector and a lifting device, the detector is placed on the surface of a mounting plate, the mounting plate is placed on the surface of the main frame, and the lifting device is arranged on the surface of the main frame and comprises a driving motor. The driving motor is fixedly connected with the surface of the main frame, the driving end of the driving motor is fixedly connected with an adjusting rod, the lower surface of the mounting plate is fixedly connected with an adjusting sleeve, the adjusting sleeve is slidably connected with the surface of the main frame, a threaded hole is formed in the surface of the adjusting sleeve, and the adjusting rod is in threaded connection with the surface of the threaded hole. The surface of one end of the mounting plate is fixedly connected with two symmetrically-arranged sliding blocks. According to the laser range finder, the lifting device is arranged, so that the calibration precision of the calibration device can be effectively improved, the detector is prevented from being influenced by obstacles during laser range finding, and the range finding precision of the laser range finder is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to geographical surveying and mapping technical field especially relates to a high accuracy laser ranging calibration device for geographical surveying and mapping. BACKGROUND

[0002] Surveying and mapping is understood as measurement and drawing, which is based on computer technology, photoelectric technology, network communication technology, space science and information science, takes global navigation satellite positioning system, remote sensing and geographic information system as technical core, selects existing feature points and boundaries on the ground and obtains graphics and position reflecting the present situation of the ground and related information through measurement means for engineering construction, planning and design and administrative management, and laser ranging is ranging with laser as light source, which is divided into continuous laser and pulse laser according to the working mode of laser, and gas lasers such as helium-neon, argon ion and krypton cadmium work in continuous output state and are used for phase laser ranging; double heterostructure gallium arsenide semiconductor laser is used for infrared ranging; solid lasers such as ruby and neodymium glass are used for pulse laser ranging, and the high-precision laser ranging calibration device is a device for calibrating laser range finder and is mainly used for ensuring the measurement accuracy of laser range finder.

[0003] The existing device such as CN215986488U, a calibration instrument for laser ranging, comprises a calibration instrument, the calibration instrument comprises a telescopic device and a mounting device, a sliding device is installed at the side end of the telescopic device, the telescopic device comprises a telescopic calibration instrument and a fixed plate, the fixed plate is installed at the two sides of the telescopic calibration instrument, the mounting device comprises a laser range finder, a mounting groove, a connecting support, a fixed column, a circular slide and a limiting block, the mounting groove is arranged at the two sides of the laser range finder, and the circular slide is installed inside, one end of the circular slide is installed on the front surface of the circular slide, and the other end is installed on the back surface of the connecting support, the connecting support is installed on the front surface of the fixed plate, and the limiting block is installed inside the mounting groove. The calibration instrument for laser ranging, by installing the circular slide into the mounting groove during installation, sliding to the side end of the mounting groove, and installing the telescopic calibration instrument to the front end of the laser range finder, the structure is simple and can realize the effect of quick disassembly and assembly.

[0004] When the worker needs to calibrate the laser range finder, the worker installs the laser range finder on the calibration device so that the calibration device calibrates the laser range finder, but the existing calibration device will be affected by obstacles during use, so that the laser range finder will be blocked during use, thereby causing the calibration accuracy of the calibration device to the laser range finder to decrease. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the calibration accuracy of the calibration device to the laser range finder to decrease in the prior art, and provides a high-precision laser ranging calibration device for geographical surveying and mapping.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme: A high-precision laser ranging calibration device for geographic surveying and mapping, including main frame, detector and lifting device, the detector is placed on the surface of the mounting plate, the mounting plate is placed on the surface of the main frame, the lifting device is arranged on the surface of the main frame, the lifting device includes drive motor, the drive motor is fixedly connected with the surface of the main frame, the drive end of the drive motor is fixedly connected with the adjusting rod, the lower surface of the mounting plate is fixedly connected with the adjusting sleeve, the adjusting sleeve is slidably connected with the surface of the main frame, the surface of the adjusting sleeve is provided with the threaded hole, the adjusting rod is screwly connected with the surface of the threaded hole, the surface of one end of the mounting plate is fixedly connected with two symmetrically arranged sliding blocks, the surface of one side of two sliding blocks is fixedly connected with the limiting plate, the limiting plate is slidably connected with the surface of the main frame, the limiting plate can be matched with the sliding block to achieve the purpose of limiting the sliding block.

[0007] Preferably, the surface of one side of the main frame is provided with a guide groove, the sliding block is slidably connected with the surface of the guide groove, and the guide groove can be matched with the sliding block to achieve the purpose of guiding the sliding block.

[0008] Preferably, the surface of the mounting plate is provided with a dismounting device, the dismounting device includes a placing block, two placing blocks are fixedly connected with the lower surface of the mounting plate, and the two placing blocks are symmetrically arranged, the placing block can be matched with the detector to achieve the purpose of limiting the detector.

[0009] Preferably, the inner surface of the mounting plate is slidably connected with two inserting rods, two pushing springs are fixedly connected between the two inserting rods and the mounting plate, and the inserting rod can be matched with the mounting plate to achieve the purpose of limiting the fixing plate.

[0010] Preferably, the surface of one end of the detector is fixedly connected with a fixing plate, the fixing plate is placed on the surface of the mounting plate, the inserting rod is inserted into the inner surface of the fixing plate, and the fixing plate can be matched with the inserting rod to achieve the purpose of limiting the detector.

[0011] Compared with the prior art, the utility model has the advantages and positive effects that:

[0012] 1、In the utility model, through setting up the lifting device, starting the drive motor, the drive motor drives the adjusting rod to rotate, the adjusting rod rotates and pushes the adjusting sleeve, the adjusting sleeve pushes the mounting plate and the detector, the mounting plate drives the sliding block, the sliding block drives the limiting plate, the guide groove guides the sliding block, when the detector rises to the specified position, the drive motor is turned off, through setting up the lifting device, the calibration accuracy of the calibration device can be effectively improved, the detector is prevented from being affected by the obstacle during laser ranging, and then the ranging accuracy of the laser range finder is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 A three-dimensional structure schematic diagram of the high-precision laser ranging calibration device for geographic surveying and mapping is provided for the utility model;

[0014] Figure 2 A lifting device structure schematic diagram of the high-precision laser ranging calibration device for geographic surveying and mapping is provided for the utility model;

[0015] Figure 3 A three-dimensional structure schematic diagram of the high-precision laser ranging calibration device for geographic surveying and mapping is provided for the utility model; Figure 2 A three-dimensional structure schematic diagram of the high-precision laser ranging calibration device for geographic surveying and mapping is provided for the utility model;

[0016] Figure 4 A dismounting device structure schematic diagram of the high-precision laser ranging calibration device for geographic surveying and mapping is provided for the utility model;

[0017] Figure 5 A three-dimensional structure schematic diagram of the high-precision laser ranging calibration device for geographic surveying and mapping is provided for the utility model; Figure 4 A three-dimensional structure schematic diagram of the high-precision laser ranging calibration device for geographic surveying and mapping is provided for the utility model.

[0018] Legend:

[0019] 1, main frame; 2, detector; 3, lifting device; 31, drive motor; 32, guide groove; 33, sliding block; 34, adjusting sleeve; 35, threaded hole; 36, adjusting rod; 37, limiting plate; 4, dismounting device; 41, placing block; 42, insertion rod; 43, fixed plate; 44, placing hole; 45, push spring; 5, mounting plate. Specific implementation

[0020] Please refer to Figures 1-5 , the utility model provides a technical scheme: a high-precision laser ranging calibration device for geographic surveying and mapping, including main frame 1, detector 2 and lifting device 3, detector 2 is placed on the surface of mounting plate 5, mounting plate 5 is placed on the surface of main frame 1, and lifting device 3 is arranged on the surface of main frame 1.

[0021] The specific settings and effects of the lifting device 3 and the dismounting device 4 will be described below.

[0022] In the embodiment: the lifting device 3 includes a drive motor 31, the drive motor 31 is fixedly connected with the surface of the main frame 1, the drive end of the drive motor 31 is fixedly connected with the adjusting rod 36, the lower surface of the mounting plate 5 is fixedly connected with the adjusting sleeve 34, the adjusting sleeve 34 is slidably connected with the surface of the main frame 1, the surface of the adjusting sleeve 34 is provided with the threaded hole 35, the adjusting rod 36 is threadedly connected with the surface of the threaded hole 35, and the surface of one end of the mounting plate 5 is fixedly connected with two symmetrically arranged sliding blocks 33.

[0023] Specific, two sliders 33 side surface fixedly connected with the limiting plate 37, limiting plate 37 and the surface of the main frame 1 sliding connection, limiting plate 37 can be matched with the slider 33 to achieve the purpose of limiting the slider 33.

[0024] Specific, preferably, the main frame 1 side surface provided with guide slot 32, slider 33 and the surface of the guide slot 32 sliding connection.

[0025] In this embodiment: guide slot 32 can be matched with the slider 33 to achieve the purpose of guiding the slider 33.

[0026] In this embodiment: preferably, the surface of the mounting plate 5 is provided with dismounting device 4, dismounting device 4 includes the placement block 41, two placement block 41 and the lower surface of the mounting plate 5 fixedly connected, two placement block 41 symmetrically arranged, placement block 41 can be matched with the detector 2 to achieve the purpose of limiting the detector 2.

[0027] Specific, preferably, the inner surface of the mounting plate 5 is slidingly connected with two insertion rods 42, and the two insertion rods 42 are fixedly connected with two push springs 45.

[0028] In this embodiment: the insertion rod 42 can be matched with the mounting plate 5 to achieve the purpose of limiting the fixed plate 43.

[0029] Specific, preferably, the surface of one end of the detector 2 is fixedly connected with the fixed plate 43, the fixed plate 43 is placed on the surface of the mounting plate 5, and the insertion rod 42 is inserted into the inner surface of the fixed plate 43.

[0030] In this embodiment: the fixed plate 43 can be matched with the insertion rod 42 to achieve the purpose of limiting the detector 2.

[0031] Working principle: by setting the lifting device 3, starting the driving motor 31, the driving motor 31 drives the adjusting rod 36 to rotate, the adjusting rod 36 rotates and pushes the adjusting sleeve 34, the adjusting sleeve 34 pushes the mounting plate 5 and the detector 2, the mounting plate 5 drives the slider 33, the slider 33 drives the limiting plate 37, the guide slot 32 guides the slider 33, when the detector 2 rises to the specified position, the driving motor 31 is turned off, by setting the lifting device 3, the calibration accuracy of the calibration device can be effectively improved, the detector 2 is prevented from being affected by obstacles during laser ranging, thereby improving the ranging accuracy of the laser range finder, in addition, by setting the dismounting device 4, the insertion rod 42 is pushed, the insertion rod 42 slides and separates from the fixed plate 43, the worker pushes the detector 2 upwards, the detector 2 drives the placement block 41 to separate from the placement hole 44, by setting the dismounting device 4, the worker can effectively and quickly dismount the detector 2, the worker is prevented from spending a lot of time when dismounting the detector 2, thereby improving the work efficiency of the worker.

Claims

1. A high-precision laser ranging calibration device for geographic mapping, comprising a main frame (1), a detector (2) and a lifting device (3), characterized in that: The detector (2) is placed on the surface of the mounting plate (5), the mounting plate (5) is placed on the surface of the main frame (1), the lifting device (3) is arranged on the surface of the main frame (1), the lifting device (3) comprises a driving motor (31), the driving motor (31) is fixedly connected with the surface of the main frame (1), the driving end of the driving motor (31) is fixedly connected with an adjusting rod (36), the lower surface of the mounting plate (5) is fixedly connected with an adjusting sleeve (34), the adjusting sleeve (34) is slidably connected with the surface of the main frame (1), the surface of the adjusting sleeve (34) is provided with a threaded hole (35), the adjusting rod (36) is threadedly connected with the surface of the threaded hole (35), and the surface of one end of the mounting plate (5) is fixedly connected with two symmetrically arranged sliding blocks (33).

2. The high-precision laser ranging calibration device for geographic mapping of claim 1, wherein: The surface of one side of the two sliding blocks (33) is fixedly connected with a limiting plate (37), and the limiting plate (37) is slidably connected with the surface of the main frame (1).

3. The high-precision laser ranging calibration device for geographic mapping of claim 2, wherein: The surface of one side of the main frame (1) is provided with a guide groove (32), and the sliding block (33) is slidably connected with the surface of the guide groove (32).

4. The high-precision laser ranging calibration device for geographic mapping of claim 1, wherein: The surface of the mounting plate (5) is provided with a dismounting device (4), the dismounting device (4) comprises a placing block (41), two placing blocks (41) are fixedly connected with the lower surface of the mounting plate (5), and the two placing blocks (41) are symmetrically arranged.

5. The high-precision laser ranging calibration device for geographic mapping of claim 4, wherein: The inner surface of the mounting plate (5) is slidably connected with two inserting rods (42), and the two inserting rods (42) and the mounting plate (5) are fixedly connected with two pushing springs (45).

6. The high-precision laser ranging calibration device for geographic mapping of claim 5, wherein: The surface of one end of the detector (2) is fixedly connected with a fixing plate (43), the fixing plate (43) is placed on the surface of the mounting plate (5), and the inserting rod (42) is inserted into the inner surface of the fixing plate (43).

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