Leveling instrument for aerial surveying and mapping

Abstract

The utility model relates to the technical field of level gauges, and discloses a level instrument for aerial surveying and mapping, which comprises a support table, the top of the support table is fixedly connected with a mounting table, the surface of the mounting table is provided with an adjusting handle, the top of the mounting table is provided with a level gauge body, and the rear end of the level gauge body is provided with an observation mirror. The front end of the observation mirror is in threaded connection with a protective cover, the bottom of the supporting table is fixedly connected with a supporting assembly, and the interior of the supporting assembly is in threaded connection with a connecting assembly. By arranging the second fixing column, when the whole device is fixed, the connecting rod is rotated, the connecting rod makes contact with the inner surface of the connecting leg, the rotating connecting rod is recycled, a threaded sleeve at the bottom of the connecting rod is fixed to a mounting groove, and the overall length during recycling is reduced; the threaded sleeve is connected with the threaded rod, the overall length is adjusted through the supporting legs with different lengths, and the leveling instrument fixing device is suitable for fixing work of the leveling instrument under different conditions.

Description

Technical Field

[0001] The utility model relates to the technical field of levels, in particular to a leveling instrument for aerial surveying and mapping. Background Art

[0002] The level is a precision measuring instrument used to measure the height difference between two points on the ground. It is widely used in the fields of construction, engineering construction, topography, etc. It is based on the principle of leveling and determines the height difference by providing a horizontal line of sight. There are many types of levels, including micro-tilt levels, automatic leveling levels, laser levels and digital levels, which can be divided into precision levels and ordinary levels according to their accuracy. The history of the level can be traced back to the 17th and 18th centuries, and it appeared with the invention of telescopes and levels. Subsequently, it has undergone many technological innovations. The micro-tilt level appeared in the early 20th century, the automatic leveling level in the early 1950s, the laser level was born in the 1960s, and the digital level was launched in the 1990s. Levels are divided into multiple levels according to their structure and accuracy. Common models include DS05, DS1, DS3, DS10, etc. These models represent the size of the accidental error of the instrument's round-trip height difference per kilometer. The smaller the number, the higher the accuracy of the instrument. For example, the error of DS05 is ±0.5mm, which is suitable for high-level level measurement, while the error of DS10 is ±10mm, which is suitable for general engineering measurement.

[0003] During the operation of the aerial surveying level, the level needs to be mounted on a fixed bracket for fixation. The bracket is generally long, so it will take up a lot of space during the recycling process. Therefore, a level bracket that can be easily recycled is needed. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a leveling instrument for aerial surveying and mapping, including a support platform, a mounting platform fixedly connected to the top of the support platform, an adjustment handle arranged on the surface of the mounting platform, a level body arranged on the top of the mounting platform, an observation mirror arranged at the rear end of the level body, a protective cover threadedly connected to the front end of the observation mirror, a support assembly fixedly connected to the bottom of the support platform, and a connecting assembly threadedly connected to the inside of the support assembly;

[0005] The support assembly includes a connecting platform, a mounting plate is fixedly connected to the bottom of the connecting platform, a fixing column 1 is fixedly connected to the inner surface of the mounting, a connecting leg is sleeved on the surface of the fixing column 1, a mounting groove is provided on the connecting surface, a fixing column 2 is fixedly connected inside the connecting leg, a connecting rod is sleeved on the surface of the fixing column 2, and a threaded sleeve is fixedly connected to the bottom of the connecting rod.

[0006] Through the above technical solution, by setting up a second fixing column, when fixing the overall device, the connecting rod is rotated to make the connecting rod and the inner surface of the connecting leg contact with each other, and the rotating connecting rod is recovered to fix the threaded sleeve at the bottom of the connecting rod with the installation groove, thereby reducing the overall length during recovery.

[0007] As a further improvement of the above solution, the support platform is concentric with the connecting platform, the two ends of the level body pass through the front and rear ends of the mounting platform, and the observation mirror is arranged above the rear end surface of the level body.

[0008] Through the above technical solution, the center points of the support platform and the connecting platform are arranged on the same horizontal plane, so that the installation work is facilitated.

[0009] As a further improvement of the above scheme, the number of the mounting plates is set to six, and the six mounting plates are grouped in pairs and evenly distributed on the surface in a circular distribution with the bottom of the connecting platform. The number of the connecting legs is set to three, and the three connecting legs are evenly distributed on the surface of the fixing column one in a circular distribution with the bottom of the connecting platform, and both ends of the fixing column one pass through the two mounting plates.

[0010] Through the above technical solution, by providing three supporting legs, the fixing work of the entire device can be performed more stably.

[0011] As a further improvement of the above solution, the connecting leg is arranged between two mounting plates, the mounting groove passes through the rear end of the connecting leg, the diameter of the mounting groove is the same as the diameter of the threaded sleeve, and the second fixing column passes through both ends of the connecting leg.

[0012] As a further improvement of the above solution, the connecting assembly includes a threaded rod, a supporting leg is fixedly connected to the bottom of the threaded rod, and a cone head is fixedly connected to the bottom of the supporting leg.

[0013] Through the above technical solution, by setting a threaded rod, the threaded sleeve is connected to the threaded rod, and the overall length is adjusted through supporting legs of different lengths, which is suitable for fixing the level in different situations.

[0014] As a further improvement of the above solution, the threaded rod is threadedly connected to the inside of the threaded sleeve, the number of the threaded rods is three, and the three threaded rods are respectively connected to the inside of three threaded sleeves.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model sets two fixing columns, and when fixing the whole device, the connecting rod is rotated to make the connecting rod contact with the inner surface of the connecting leg, and the rotating connecting rod is recovered to fix the threaded sleeve at the bottom of the connecting rod with the installation groove, thereby reducing the overall length when recovered.

[0017] The utility model provides a threaded sleeve, which is connected to a threaded rod through the threaded sleeve, and supports legs of different lengths to adjust the overall length, so as to be suitable for fixing the level under different circumstances. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the overall bottom structure of the utility model;

[0020] Figure 3 For this utility model Figure 2 A is an enlarged structural diagram;

[0021] Figure 4 This is a schematic diagram of the overall structure of the connecting leg of the utility model;

[0022] Figure 5 It is a schematic diagram of the overall structure of the connection component of the utility model.

[0023] In the figure: 1. support platform; 2. mounting platform; 3. adjustment handle; 4. level body; 5. observation mirror; 6. protective cover; 7. support assembly; 71. connecting platform; 72. mounting plate; 73. fixing column one; 74. connecting leg; 75. mounting groove; 76. fixing column two; 77. connecting rod; 78. threaded sleeve; 8. connecting assembly; 81. threaded rod; 82. supporting leg; 83. cone head. DETAILED DESCRIPTION

[0024] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0025] Embodiment 1:

[0026] Please combine Figure 1-5The present embodiment is a leveling instrument for aerial surveying and mapping, including a support platform 1, a mounting platform 2 is fixedly connected to the top of the support platform 1, an adjusting handle 3 is arranged on the surface of the mounting platform 2, a level body 4 is arranged on the top of the mounting platform 2, an observation mirror 5 is installed at the rear end of the level body 4, a protective cover 6 is threadedly connected to the front end of the observation mirror 5, a support assembly 7 is fixedly connected to the bottom of the support platform 1, and a connecting assembly 8 is threadedly connected inside the support assembly 7; the support assembly 7 includes a connecting platform 71, a mounting plate 72 is fixedly connected to the bottom of the connecting platform 71, a fixing column 73 is fixedly connected to the inner surface of the mounting, and a connecting leg 74 is sleeved on the surface of the fixing column 73 A mounting groove 75 is provided on the connecting surface, and a fixing column 76 is fixedly connected to the inside of the connecting leg 74. A connecting rod 77 is sleeved on the surface of the fixing column 76, and a threaded sleeve 78 is fixedly connected to the bottom of the connecting rod 77. The fixing column 76 is rotated. When the fixing column 76 is rotated, the threaded sleeve 78 is clamped in the inside of the mounting groove 75 to reduce the overall length and facilitate subsequent recovery work. The connecting rod 77 is rotated to make the connecting rod 77 and the inner surface of the connecting leg 74 contact each other, and the rotating connecting rod 77 is recovered to fix the threaded sleeve 78 at the bottom of the connecting rod 77 to the mounting groove 75, thereby reducing the overall length during recovery.

[0027] The supporting platform 1 is concentric with the connecting platform 71, and the two ends of the level body 4 pass through the front and rear ends of the mounting platform 2. The observation mirror 5 is arranged above the rear end surface of the level body 4. There are six mounting plates 72, and the six mounting plates 72 are grouped in pairs and evenly distributed on the surface in a circular distribution with the bottom of the connecting platform 71. There are three connecting legs 74, and the three connecting legs 74 are evenly distributed on the surface of the fixing column 1 73 in a circular distribution with the bottom of the connecting platform 71. Both ends of the fixing column 1 73 pass through the two mounting plates 72, and the connecting leg 74 is arranged between the two mounting plates 72. The mounting groove 75 passes through the rear end of the connecting leg 74, and the diameter of the mounting groove 75 is the same as the diameter of the threaded sleeve 78. The fixing column 2 76 passes through both ends of the connecting leg 74.

[0028] The connecting assembly 8 includes a threaded rod 81 , a supporting leg 82 is fixedly connected to the bottom of the threaded rod 81 , and a cone head 83 is fixedly connected to the bottom of the supporting leg 82 .

[0029] The threaded rod 81 is threadedly connected to the inside of the threaded sleeve 78 . There are three threaded rods 81 , and the three threaded rods 81 are respectively connected to the insides of three threaded sleeves 78 .

[0030] The implementation principle of a leveling instrument for aerial surveying in the embodiment of the present application is as follows: when installing the level, first rotate the connecting rod 77 to connect the rear end of the connecting rod 77 to the inner surface of the connecting leg 74, then select a support rod of appropriate length and thread it into the inside of the threaded sleeve 78, when the connection is completed, pull the connecting leg 74 apart so that the top of the connecting leg 74 is connected to the connecting platform 71, then fix the cone head 83 in the working position to complete the overall support, when the overall device is recovered, take out the threaded rod 81 from the inside of the threaded sleeve 78, then rotate the fixing column 2 76, when the fixing column 2 76 is rotated, the threaded sleeve 78 is clamped into the inside of the mounting groove 75, reducing the overall length and facilitating subsequent recovery work.

[0031] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A leveling instrument for aerial surveying, characterized in that: The invention comprises a support platform (1), the top of the support platform (1) is fixedly connected to a mounting platform (2), the surface of the mounting platform (2) is provided with an adjustment handle (3), the top of the mounting platform (2) is provided with a leveling instrument body (4), the rear end of the leveling instrument body (4) is provided with an observation mirror (5), the front end of the observation mirror (5) is threadedly connected to a protective cover (6), the bottom of the support platform (1) is fixedly connected to a supporting assembly (7), and the support assembly (7) is internally threadedly connected to a connecting assembly (8); The support assembly (7) comprises a connecting platform (71), the bottom of the connecting platform (71) is fixedly connected to a mounting plate (72), the inner surface of the mounting plate is fixedly connected to a fixing column (73), the surface of the fixing column (73) is sleeved with a connecting leg (74), the connecting surface is provided with a mounting groove (75), the interior of the connecting leg (74) is fixedly connected to a fixing column (76), the surface of the fixing column (76) is sleeved with a connecting rod (77), and the bottom of the connecting rod (77) is fixedly connected to a threaded sleeve (78).

2. The leveling instrument for aerial surveying and mapping according to claim 1, characterized in that: The support platform (1) is concentric with the connecting platform (71), the two ends of the level body (4) pass through the front and rear ends of the mounting platform (2), and the observation mirror (5) is arranged above the rear end surface of the level body (4).

3. The leveling instrument for aerial surveying and mapping according to claim 1, characterized in that: The number of the mounting plates (72) is six, and the six mounting plates (72) are arranged in groups of two, and are evenly distributed on the surface in a circular distribution with the bottom of the connecting platform (71). The number of the connecting legs (74) is three, and the three connecting legs (74) are evenly distributed on the surface of the fixing column (73) in a circular distribution with the bottom of the connecting platform (71). Both ends of the fixing column (73) pass through the two mounting plates (72).

4. The leveling instrument for aerial surveying and mapping according to claim 1, characterized in that: The connecting leg (74) is arranged between two mounting plates (72), the mounting groove (75) passes through the rear end of the connecting leg (74), the diameter of the mounting groove (75) is the same as the diameter of the threaded sleeve (78), and the second fixing column (76) passes through both ends of the connecting leg (74).

5. The leveling instrument for aerial surveying and mapping according to claim 1, characterized in that: The connection assembly (8) comprises a threaded rod (81), the bottom of the threaded rod (81) is fixedly connected to a support leg (82), and the bottom of the support leg (82) is fixedly connected to a cone head (83).

6. The leveling instrument for aerial surveying and mapping according to claim 5, characterized in that: The threaded rod (81) is threadedly connected to the inside of the threaded sleeve (78), and the number of the threaded rods (81) is three. The three threaded rods (81) are respectively connected to the inside of three threaded sleeves (78).

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