Fixing device for aerial surveying instrument

Abstract

The utility model discloses a fixing device for an aerial surveying instrument, which relates to the technical field of aerial surveying instruments and comprises a top plate, a connecting plate is arranged at the bottom end of the top plate, four self-locking devices distributed in a rectangular array are arranged at the bottom end of the connecting plate, each self-locking device comprises a rotating plate, and the rotating plates are arranged on the connecting plate. The top end of the rotating plate is fixedly connected with a supporting rod, the outer surface of the supporting rod is sleeved with a hollow plate, the outer surface of the supporting rod is sleeved with a first spring, the two ends of the first spring are fixedly connected with one ends of the opposite faces of the hollow plate and the rotating plate correspondingly, and the outer surface of the supporting rod is fixedly connected with a limiting rod; four first through grooves distributed in a rectangular array mode are formed in the bottom end of the top plate, and four second through grooves distributed in a rectangular array mode are formed in one end of the connecting plate. And the stability of the aerial surveying instrument in the air can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of aerial photography surveying and mapping instruments, in particular to a fixing device for aerial photography surveying and mapping instruments. Background Art

[0002] Aerial surveying is abbreviated as aerial survey, and the professional term is aerial photogrammetry. It refers to the operation of using aerial photographic instruments on unmanned aircraft to continuously take pictures of the ground, combining ground control point measurement, adjustment and stereo mapping, and other steps to draw a topographic map. The aerial photography of aerial surveying is the use of unmanned aerial vehicles or other aircraft, equipped with special cameras to photograph the ground and obtain pictures. Aerial photography using unmanned aerial vehicles is called aerial photography.

[0003] However, the prior art still has the following problems:

[0004] Firstly, it is troublesome, time-consuming and laborious to disassemble most aerial surveying instruments. When the aerial surveying instruments need to be repaired or replaced, they cannot be quickly replaced or disassembled, which seriously wastes the time spent on repair and replacement.

[0005] Secondly, most of the aerial surveying instruments are installed on drones. Since the drones fly around and shake in the air, the aerial surveying instruments will be unstable, resulting in inaccurate aerial photography. It is impossible to effectively improve the stability of the aerial surveying instruments in the air, and its practicality is low.

[0006] In view of the above problems, the inventor proposes a fixing device for an aerial surveying instrument to solve the above problems. Utility Model Content

[0007] In order to solve the problem that the aerial photography surveying instrument cannot be quickly replaced and disassembled and the stability of the aerial photography surveying instrument in the air cannot be effectively improved; the purpose of the utility model is to provide a fixing device for the aerial photography surveying instrument.

[0008] In order to solve the above technical problems, the utility model adopts the following technical solutions: a fixing device for an aerial photography surveying instrument, comprising a top plate, a connecting plate is provided at the bottom end of the top plate, a drone is fixedly connected to the top end of the top plate, a support seat is fixedly connected to the bottom end of the connecting plate, a camera is fixedly connected to the bottom end of the support seat, limiting devices are provided at both ends of the bottom end of the connecting plate, and four self-locking devices distributed in a rectangular array are provided at the bottom end of the connecting plate, the self-locking device comprises a rotating plate, a support rod is fixedly connected to the top end of the rotating plate, a hollow plate is sleeved on the outer surface of the support rod, a first spring is sleeved on the outer surface of the support rod, the two ends of the first spring are respectively fixedly connected to one end of the opposite surface of the hollow plate and the rotating plate, the outer surface of the support rod is fixedly connected to the limiting rod, four first through grooves distributed in a rectangular array are opened at the bottom end of the top plate, four second through grooves distributed in a rectangular array are opened at one end of the connecting plate, the outer surface of the support rod is fitted with the inner wall of the second through groove, and the outer surfaces of the two limiting rods are jointly fitted with the inner wall of the first through groove.

[0009] The lockhole that is formed on the upper part of the support frame is formed on the upper part of the support frame, and the lockhole that is formed on the lower part of the support frame is formed on the upper part of the support frame.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The utility model drives two limit rods to rotate by rotating the support rod, and the two limit rods rotate in the inner wall of the first through groove, and the two limit rods are stuck in the inner wall of the first through groove, thereby achieving the purpose of effectively and quickly replacing and disassembling the aerial photography surveying instrument;

[0012] The utility model releases the limit plate, and the second spring will reset when the force is eliminated, driving the fixed plate to move. The fixed plate drives the outer surface of the plug rod to enter the inner wall of the plug rod opened by the support seat, and the two clamping plates clamp the two sides of the bottom end of the support seat, thereby achieving the purpose of improving the stability of the aerial photography surveying instrument in the air. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the self-locking device of the utility model.

[0016] Figure 3 It is a schematic diagram of the limiting device of the utility model.

[0017] In the figure: 1, top plate; 2, connecting plate; 3, self-locking device; 4, limiting device; 5, drone; 6, support seat; 7, camera; 31, rotating plate; 32, support rod; 33, hollow plate; 34, first spring; 35, limiting rod; 36, second through groove; 37, first through groove; 401, support plate; 402, hollow rod; 403, pull rod; 404, limiting plate; 405, second spring; 406, fixing plate; 407, clamping plate; 408, rotating shaft; 409, roller; 410, plug rod; 411, socket. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Example: Figure 1-3As shown, the utility model provides an aerial photography surveying instrument fixing device, including a top plate 1, a connecting plate 2 is provided at the bottom end of the top plate 1, a drone 5 is fixedly connected to the top end of the top plate 1, a support seat 6 is fixedly connected to the bottom end of the connecting plate 2, a camera 7 is fixedly connected to the bottom end of the support seat 6, a limiting device 4 is provided at both ends of the bottom end of the connecting plate 2, four self-locking devices 3 distributed in a rectangular array are provided at the bottom end of the connecting plate 2, the self-locking device 3 includes a rotating plate 31, a support rod 32 is fixedly connected to the top end of the rotating plate 31, four first through grooves 37 distributed in a rectangular array are opened at the bottom end of the top plate 1, and four first through grooves 37 distributed in a rectangular array are opened at one end of the connecting plate 2 The second through slot 36, the outer surface of the support rod 32 fits with the inner wall of the second through slot 36, the outer surfaces of the two limit rods 35 fit with the inner wall of the first through slot 37 together, the outer surface of the support rod 32 is sleeved with a hollow plate 33, the outer surface of the support rod 32 is sleeved with a first spring 34, the two ends of the first spring 34 are respectively fixedly connected to one end of the opposite surface of the hollow plate 33 and the rotating plate 31, the outer surface of the support rod 32 is fixedly connected to the limit rod 35, the two limit rods 35 rotate in the inner wall of the first through slot 37, the two limit rods 35 will be stuck in the inner wall of the first through slot 37, the top plate 1 and the connecting plate 2 will be separated, and the aerial photography surveying instrument can be easily replaced and disassembled.

[0020] The limiting device 4 includes a support plate 401, one end of the support plate 401 is penetrated by a hollow rod 402, the inner wall of the hollow rod 402 is sleeved with a pull rod 403, one end of the pull rod 403 is fixedly connected to the limiting plate 404, the outer surface of the pull rod 403 is sleeved with a second spring 405, one end of the pull rod 403 is fixedly connected to a fixing plate 406, the two ends of the second spring 405 are respectively fixedly connected to one end of the opposite surface of the hollow rod 402 and the fixing plate 406, a rotating shaft 408 is penetrated on the upper part of one end of the fixing plate 406, both ends of the rotating shaft 408 are rotatably connected to rollers 409, the outer surfaces of the two rollers 409 are respectively in contact with the bottom end of the connecting plate 2, and one end of the fixing plate 406 A clamping plate 407 is fixedly connected, and the two clamping plates 407 are both in an inclined shape. The top ends of the two clamping plates 407 are respectively fitted with the two sides of the bottom end of the support seat 6. An insertion rod 410 is fixedly connected to the upper part of one end of the fixing plate 406. Both ends of the support seat 6 are provided with a socket 411 for cooperating with the insertion rod 410. The outer surface of the insertion rod 410 fits with the inner wall of the socket 411. The limiting plate 404 is loosened, and the second spring 405 will stretch when the force disappears. The second spring 405 resets and drives the fixing plate 406 to move. The fixing plate 406 drives the outer surface of the insertion rod 410 to enter the inner wall of the socket 411 opened in the support seat 6. The two clamping plates 407 clamp the two sides of the bottom end of the support seat 6, which can improve the stability of the aerial photography surveying instrument in the air.

[0021] Working principle: When the aerial photography surveying instrument needs to be replaced or disassembled, the rotating plate 31 in the self-locking device 3 is rotated, and the rotating plate 31 rotates to drive the support rod 32 to rotate, and the outer surface of the support rod 32 fits with the inner wall of the second through groove 36, and the hollow plate 33 is forced to drop, and the hollow plate 33 will compress the first spring 34, and the rotation of the support rod 32 drives the two limit rods 35 to rotate, and the two limit rods 35 rotate in the inner wall of the first through groove 37, and the two limit rods 35 will be stuck in the inner wall of the first through groove 37, and the top plate 1 and the connecting plate 2 will be separated, so as to facilitate the replacement and disassembly of the aerial photography surveying instrument;

[0022] The limiting plates 404 in the two limiting devices 4 are pulled respectively, and the limiting plates 404 drive the pull rod 403 to move in the inner wall of the hollow rod 402, and the pull rod 403 drives the fixing plate 406 to move to both sides, and the fixing plate 406 moves to squeeze the second spring 405, and the second spring 405 is compressed and deformed by force, and the fixing plate 406 drives the clamping plate 407 to move, and the movement of the fixing plate 406 will drive the two rollers 409 to roll together at the two ends of the rotating shaft 408, and the two rollers 409 are connected with the bottom end of the connecting plate 2. When the insertion holes 411 opened at both ends of the support seat 6 are respectively located at the same horizontal plane with the outer surfaces of the insertion rod 410, the limit plate 404 is loosened, and the second spring 405 will stretch when the force disappears. The second spring 405 is reset to drive the fixing plate 406 to move, and the fixing plate 406 drives the outer surface of the insertion rod 410 to enter the inner wall of the insertion hole 411 opened in the support seat 6. The two clamping plates 407 clamp the two sides of the bottom end of the support seat 6, thereby effectively improving the stability of the aerial photography surveying instrument in the air.

[0023] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A fixing device for an aerial surveying instrument, comprising a top plate (1), characterized in that: A connecting plate (2) is provided at the bottom end of the top plate (1), a drone (5) is fixedly connected to the top end of the top plate (1), a support seat (6) is fixedly connected to the bottom end of the connecting plate (2), a camera (7) is fixedly connected to the bottom end of the support seat (6), both ends of the bottom end of the connecting plate (2) are provided with limit devices (4), and the bottom end of the connecting plate (2) is provided with four self-locking devices (3) distributed in a rectangular array; The self-locking device (3) comprises a rotating plate (31), the top end of the rotating plate (31) is fixedly connected to a support rod (32), the outer surface of the support rod (32) is sleeved with a hollow plate (33), the outer surface of the support rod (32) is sleeved with a first spring (34), and the outer surface of the support rod (32) is fixedly connected to a limit rod (35).

2. The fixing device for an aerial surveying instrument according to claim 1, characterized in that: The limiting device (4) comprises a support plate (401), one end of the support plate (401) is connected with a hollow rod (402), the inner wall of the hollow rod (402) is sleeved with a pull rod (403), one end of the pull rod (403) is fixedly connected to the limiting plate (404), the outer surface of the pull rod (403) is sleeved with a second spring (405), one end of the pull rod (403) is fixedly connected to a fixing plate (406), the upper part of one end of the fixing plate (406) is connected with a rotating shaft (408), both ends of the rotating shaft (408) are rotatably connected to rollers (409), one end of the fixing plate (406) is fixedly connected to a clamping plate (407), the upper part of one end of the fixing plate (406) is fixedly connected to an insertion rod (410), and both ends of the support seat (6) are provided with a socket (411) used to cooperate with the insertion rod (410).

3. The fixing device for an aerial surveying instrument according to claim 1, characterized in that: The bottom end of the top plate (1) is provided with four first through slots (37) distributed in a rectangular array, one end of the connecting plate (2) is provided with four second through slots (36) distributed in a rectangular array, the outer surface of the support rod (32) is in contact with the inner wall of the second through slot (36), and the outer surfaces of the two limit rods (35) are in contact with the inner wall of the first through slot (37).

4. The fixing device for an aerial surveying instrument according to claim 2, characterized in that: The outer surface of the insertion rod (410) fits into the inner wall of the insertion hole (411).

5. The fixing device for an aerial surveying instrument according to claim 1, characterized in that: Both ends of the first spring (34) are respectively fixedly connected to one end of the opposite surface of the hollow plate (33) and the rotating plate (31).

6. The fixing device for an aerial surveying instrument according to claim 2, characterized in that: The two ends of the second spring (405) are respectively fixedly connected to the hollow rod (402) and one end of the opposite surface of the fixing plate (406).

7. The fixing device for an aerial surveying instrument according to claim 2, characterized in that: The outer surfaces of the two rollers (409) are respectively fitted with the bottom ends of the connecting plates (2).

8. The fixing device for an aerial surveying instrument according to claim 2, characterized in that: The two clamping plates (407) are both in an inclined shape, and the top ends of the two clamping plates (407) are respectively fitted with two sides of the bottom end of the support seat (6).

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