An unmanned aerial vehicle automated inspection system for urban pipeline corridor maintenance

Abstract

The present invention relates to an unmanned aerial vehicle automated inspection system for urban pipe gallery maintenance, comprising a frame and an unmanned aerial vehicle body arranged on the frame, wherein a camera device is disassembled at the bottom of the frame, a support unit and an electric push rod are symmetrically hinged on both sides of the frame, the output ends of the two electric push rods are hinged to a circular ring, the circular ring is located on the outside of the camera device, and a positioning unit is also arranged on the frame, the positioning unit is used for disassembling the unmanned aerial vehicle body; the present invention, through the arranged support unit, can play a buffering role through the support spring and tension spring in the support unit when the unmanned aerial vehicle body lands, so as to reduce the impact force received, can make the electric push rod work and drive the circular ring to extend through the connection of the first contact piece and the second contact piece, and play a protective role for the camera device through the circular ring.

Description

Technical Field

[0001] The present invention belongs to the technical field of unmanned aerial vehicle automated inspection systems, and specifically relates to an unmanned aerial vehicle automated inspection system for urban pipe gallery maintenance. Background Art

[0002] A drone is an unmanned aircraft controlled by a radio remote control device and a self-contained program control device, or operated completely or intermittently autonomously by an on-board computer. There are many types of drones with a wide range of uses. They are used in aerial photography, agriculture, plant protection, micro selfies, express delivery, disaster relief, wildlife observation, infectious disease monitoring, surveying and mapping, news reporting, power inspections, disaster relief, film and television shooting, creating romance, and many other fields. Among them, drones are also needed for automated inspections of urban utility tunnels. However, the defects in the inspection process using drones are: high operating requirements for the user during landing, which makes it easy for the drone to collide with the ground, causing damage to the drone. Summary of the invention

[0003] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides an unmanned aerial vehicle automated inspection system for urban pipeline corridor maintenance, which effectively solves the problem of the need to provide an unmanned aerial vehicle automated inspection system with good protection function.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an unmanned aerial vehicle automated inspection system for urban pipe gallery maintenance, comprising a frame and a unmanned aerial vehicle body arranged on the frame, wherein the bottom of the frame is disassembled and provided with a camera device, and support units and electric push rods are symmetrically hinged on both sides of the frame, and the output ends of the two electric push rods are hinged to a circular ring, and the circular ring is located on the outside of the camera device, and a positioning unit is also arranged on the frame, and the positioning unit is used for disassembling the unmanned aerial vehicle body.

[0005] Preferably, the support unit includes a support frame and a limit frame located on one side of the support frame and fixed to the frame, the support frame is hinged to the frame, an installation groove is provided inside the support frame, a support spring and a damping rod located below the support spring are provided inside the installation groove, the bottom of the damping rod is fixed to the connecting rod, a supporting foot is fixed to the bottom of the connecting rod, and one side of the support frame close to the limit frame is fixed to the frame by a tension spring.

[0006] Preferably, a first contact piece is fixedly provided on the top wall of the mounting groove, and a second contact piece is fixedly provided on the top of the damping rod, and the first contact piece cooperates with the second contact piece to control the electric push rod.

[0007] Preferably, the positioning unit includes a motor, which is fixedly arranged inside the frame, and both output ends of the motor are fixedly provided with rotating shafts, and the two rotating shafts are rotatably arranged with the frame, and each rotating shaft is formed with an outer worm area, and the spiral directions of the outer worm areas on the two rotating shafts are the same; slide grooves are formed on both sides of the frame, and a positioning component is arranged inside each slide groove, and the positioning component cooperates with the outer worm area on the rotating shaft for driving.

[0008] Preferably, the positioning assembly includes a screw rod, which is rotatably arranged with the slide groove, and a worm gear is fixedly arranged at the bottom of the screw rod, and the worm gear is meshed with an outer worm area on the rotating shaft; a first threaded area and a second threaded area are formed on the screw rod, and the thread directions of the first threaded area and the second threaded area are opposite, and the first threaded area and the second threaded area are both threadedly connected with a first slider, and the two first sliders are respectively hinged to the two connecting frames, and the two connecting frames are both hinged to the side thrust plates, and the second threaded area is threadedly connected with a second slider, and the second slider is fixed to the upper plate body, and a compression spring is evenly fixedly arranged at the bottom of the upper plate body, and each compression spring is fixed to the lower plate body.

[0009] Preferably, an internal threaded area is formed on one end of each rotating shaft close to the motor, the thread directions of the internal threaded areas on the two rotating shafts are opposite, and a replacement part is provided on each internal threaded area, which is used for replacing and disassembling the camera device.

[0010] Preferably, the replacement part includes a moving block, a screw hole in the moving block is threadedly connected to the internal threaded area on the corresponding rotating shaft, an auxiliary frame is fixedly provided at the bottom of the moving block, a U-shaped rod is slidably provided in two circular holes on the auxiliary frame, a telescopic spring is symmetrically surrounded on the U-shaped rod, the U-shaped rod is fixed to the auxiliary block, and the auxiliary block is used to fix the camera device from a horizontal direction.

[0011] Preferably, a groove is provided in the auxiliary frame, two auxiliary plates are provided on one side of the groove, one of the auxiliary plates is rotatably arranged with the groove, a cavity is provided inside the two auxiliary plates, an auxiliary spring and an auxiliary slide plate are provided inside each cavity, the two auxiliary slide plates are located on the inner sides of the two auxiliary springs, the two auxiliary slide plates are fixed by an auxiliary rod body, the ends of the two auxiliary plates away from each other are hinged with telescopic rods, the two telescopic rods are hinged to the top block, and the top block is used to fix the camera device from the vertical direction.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1) During operation, when the drone body lands, the support unit can play a buffering role through the support spring and the tension spring in the support unit, so as to reduce the impact force received. The first contact piece and the second contact piece can be connected to make the electric push rod work to drive the ring to extend, so as to protect the camera device through the ring;

[0014] 2) During operation, the positioning components in the positioning unit can be used to fix the drone body in the vertical direction through the lower plate; the drone body can be fixed in the horizontal direction through the side push plate. The multi-directional fixation improves the stability of the fixation and facilitates the matching and positioning of drone bodies of different sizes.

[0015] 3) During operation, the replacement part in the positioning unit can be used to fix the camera device from the edge through the auxiliary block in the replacement part, and the camera device can be fixed from the bottom through the top block in the replacement part, thereby improving the stability of the camera device fixation, and facilitating the disassembly and replacement of camera devices of different specifications, which is more convenient;

[0016] 4) In the present application, by cooperating with the positioning components and replacement parts in the positioning unit, the disassembly and assembly process of the drone body and the camera device can be realized at the same time. The operation steps are relatively simple and no additional operation is required, so the replacement is faster. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0018] In the attached picture:

[0019] Figure 1 This is a schematic diagram of the structure of an unmanned aerial vehicle automated inspection system for urban pipe gallery maintenance according to the present invention;

[0020] Figure 2 It is a schematic diagram of the support unit structure of the present invention;

[0021] Figure 3 It is a schematic diagram of the structure of the positioning unit of the present invention;

[0022] Figure 4 It is a schematic diagram of the structure of the positioning component of the present invention;

[0023] Figure 5 For the present invention Figure 3 The enlarged structural diagram at A in the middle;

[0024] Figure 6 It is a schematic diagram of the top block installation structure of the present invention.

[0025] In the figure: 1, frame; 101, slide; 2, drone body; 3, camera device; 4, support unit; 401, support frame; 402, limit frame; 403, mounting slot; 404, support spring; 405, damping rod; 406, connecting rod; 407, support foot; 408, tension spring; 409, first contact piece; 410, second contact piece; 5, electric push rod; 6, ring; 7, positioning unit; 701, motor; 702, rotating shaft; 7021, outer worm area; 7022, inner thread area; 703, screw rod; 704, worm wheel; 705, support spring; 706, connecting rod; 707, support foot; 408, tension spring; 409, first contact piece; 410, second contact piece; 5, electric push rod; 6, ring; 705, positioning unit; 706, motor; 707, rotating shaft; 708, outer worm area; 709, inner thread area; 708, screw rod; 709, worm wheel; 701, motor; 702, rotating shaft; 7021, outer worm area; 7022, inner thread area; 703, screw rod; 704, worm wheel; 705, support spring; 705, support spring; 706, connecting rod; 707, support foot; 708, tension spring; 709, first contact piece; 710, second contact piece; 711, support spring; 712, support spring; 713, support spring; 714, worm wheel; 715, support spring; 716, support spring; 717, support spring; 718, support spring; 719, support spring; 720, support spring; 721, support spring; 7 05. First threaded area; 706. Second threaded area; 707. First slider; 708. Connecting frame; 709. Side push plate; 710. Second slider; 711. Upper plate body; 712. Compression spring; 713. Lower plate body; 8. Replacement parts; 801. Moving block; 802. Auxiliary frame; 803. U-shaped rod; 804. Telescopic spring; 805. Auxiliary block; 806. Groove; 807. Auxiliary plate; 808. Cavity; 809. Auxiliary spring; 810. Auxiliary slide plate; 811. Auxiliary rod body; 812. Telescopic rod; 813. Top block. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0027] Embodiment 1, by Figure 1-6 The present invention provides an unmanned aerial vehicle automated inspection system for urban pipe gallery maintenance, comprising a frame 1 and an unmanned aerial vehicle body 2 arranged on the frame 1, a camera device 3 is disassembled at the bottom of the frame 1, a support unit 4 and an electric push rod 5 are symmetrically hinged on both sides of the frame 1, the output ends of the two electric push rods 5 are hinged to a ring 6, the ring 6 is located on the outside of the camera device 3, and a positioning unit 7 is also arranged on the frame 1, and the positioning unit 7 is used to disassemble the unmanned aerial vehicle body 2;

[0028] When in use, the drone body 2 is mounted on the frame 1 through the positioning unit 7, and then the camera device 3 is mounted on the frame 1. The drone body 2 can drive the camera device 3 to fly, and then the camera device 3 can be used to take real-time photos of the urban pipeline corridor, so that the staff can observe the specific status of the urban pipeline corridor in real time and determine whether it needs to be repaired.

[0029] Specifically, the support unit 4 includes a support frame 401 and a limiting frame 402 located on one side of the support frame 401 and fixed to the frame 1. The support frame 401 is hinged to the frame 1. A mounting groove 403 is provided inside the support frame 401. A support spring 404 and a damping rod 405 located below the support spring 404 are provided inside the mounting groove 403. The bottom of the damping rod 405 is fixed to a connecting rod 406. A supporting foot 407 is fixed to the bottom of the connecting rod 406. One side of the support frame 401 close to the limiting frame 402 is fixed to the frame 1 through a tension spring 408.

[0030] A first contact piece 409 is fixedly disposed on the top wall of the mounting groove 403, and a second contact piece 410 is fixedly disposed on the top of the damping rod 405. The first contact piece 409 cooperates with the second contact piece 410 to control the electric push rod 5.

[0031] When in use, when the drone body 2 descends, the support foot 407 first contacts the ground and is impacted by the ground. The support foot 407 drives the damping rod 405 to move through the connecting rod 406, so that the damping rod 405 impacts the support spring 404, and the support spring 404 cooperates with the damping rod 405 to achieve shock absorption. At the same time, the support frame 401 will rotate to generate tension on the tension spring 408, and the tension spring 408 can further reduce the impact force.

[0032] Specifically, the positioning unit 7 includes a motor 701, which is fixedly arranged inside the frame 1. The output ends of both ends of the motor 701 are fixedly provided with a rotating shaft 702, and the two rotating shafts 702 are rotatably arranged with the frame 1. Each rotating shaft 702 is formed with an outer worm area 7021, and the spiral directions of the outer worm areas 7021 on the two rotating shafts 702 are the same; both sides of the frame 1 are formed with a slide groove 101, and a positioning component is arranged inside each slide groove 101, and the positioning component cooperates with the outer worm area 7021 on the rotating shaft 702 to drive;

[0033] When in use, the motor 701 drives the two rotating shafts 702 to rotate, and the outer worm area 7021 on the rotating shaft 702 drives the positioning assembly to move in the slide groove 101, and the drone body 2 is disassembled through the positioning assembly.

[0034] Specifically, the positioning assembly includes a screw rod 703, which is rotatably arranged with the slide groove 101, and a worm gear 704 is fixedly arranged at the bottom of the screw rod 703, and the worm gear 704 is meshed with the outer worm area 7021 on the rotating shaft 702; a first threaded area 705 and a second threaded area 706 are formed on the screw rod 703, and the thread directions of the first threaded area 705 and the second threaded area 706 are opposite, and the first threaded area 705 and the second threaded area 706 are both threadedly connected with a first slider 707, and the two first sliders 707 are respectively hingedly arranged with two connecting frames 708, and the two connecting frames 708 are both hingedly arranged with the side thrust plate 709, and the second threaded area 706 is threadedly connected with a second slider 710, and the second slider 710 is fixedly arranged with the upper plate body 711, and the bottom of the upper plate body 711 is evenly fixedly provided with a compression spring 712, and each compression spring 712 is fixedly arranged with the lower plate body 713;

[0035] In the use state, the outer worm area 7021 on the rotating shaft 702 drives the screw 703 to rotate through the worm gear 704, and the first threaded area 705 and the second threaded area 706 on the screw 703 respectively drive the two first sliders 707 to move closer to each other, and the two first sliders 707 respectively drive the side push plates 709 to move through the corresponding connecting frames 708, and the drone body 2 is fixed in the horizontal direction through the side push plates 709;

[0036] At the same time, the second threaded area 706 on the screw rod 703 drives the second slider 710 to move, the second slider 710 drives the upper plate 711 to move, the upper plate 711 drives the lower plate 713 to move through the compression spring 712, and the drone body 2 is fixed in the vertical direction through the lower plate 713. After being fixed in all directions, the stability is good.

[0037] Furthermore, an internal threaded area 7022 is formed on one end of each rotating shaft 702 close to the motor 701, and the thread directions of the internal threaded areas 7022 on the two rotating shafts 702 are opposite. A replacement part 8 is provided on each internal threaded area 7022, and the replacement part 8 is used for replacing and disassembling the camera device 3;

[0038] This design facilitates the corresponding replacement part 8 to be driven to move through the internal thread area 7022 on the rotating shaft 702, and the camera device 3 can be disassembled and fixed through the replacement part 8.

[0039] Specifically, the replacement part 8 includes a moving block 801, a screw hole in the moving block 801 is threadedly connected with the internal thread area 7022 on the corresponding rotating shaft 702, an auxiliary frame 802 is fixedly provided at the bottom of the moving block 801, a U-shaped rod 803 is slidably provided in two circular holes on the auxiliary frame 802, a telescopic spring 804 is symmetrically surrounded on the U-shaped rod 803, the U-shaped rod 803 is fixedly arranged with the auxiliary block 805, and the auxiliary block 805 is used to fix the camera device 3 from the horizontal direction;

[0040] When in use, the internal threaded area 7022 on the rotating shaft 702 drives the moving block 801 to move, and the moving block 801 drives the auxiliary frame 802 to move, so that the auxiliary block 805 fixes the camera device 3. Combined with the setting of the U-shaped rod 803 and the telescopic spring 804, camera devices 3 of different sizes can be fixed, which is more convenient.

[0041] A groove 806 is provided in the auxiliary frame 802, and two auxiliary plates 807 are provided on one side of the groove 806, wherein one of the auxiliary plates 807 is rotatably arranged with the groove 806, and a cavity 808 is provided inside the two auxiliary plates 807, and an auxiliary spring 809 and an auxiliary slide plate 810 are provided inside each cavity 808, and the two auxiliary slide plates 810 are located on the inner sides of the two auxiliary springs 809, and the two auxiliary slide plates 810 are fixedly arranged by an auxiliary rod body 811, and the ends of the two auxiliary plates 807 away from each other are hinged with telescopic rods 812, and the two telescopic rods 812 are hinged with a top block 813, and the top block 813 is used to fix the camera device 3 from the vertical direction;

[0042] When in use, after the auxiliary plate 807 close to the camera device 3 contacts the camera device 3, the two auxiliary springs 809 are squeezed by the corresponding auxiliary slide plates 810, and at the same time the two telescopic rods 812 rotate, causing the top block 813 to move upward, and the camera device 3 is fixed in the vertical direction through the top block 813, further improving the stability of the fixation of the camera device 3.

[0043] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An unmanned aerial vehicle automated inspection system for urban pipe gallery maintenance, comprising a frame (1) and an unmanned aerial vehicle body (2) arranged on the frame (1), characterized in that: The bottom of the frame (1) is provided with a camera device (3) for disassembly, and the two sides of the frame (1) are symmetrically hinged with support units (4) and electric push rods (5), the output ends of the two electric push rods (5) are hinged with a ring (6), and the ring (6) is located outside the camera device (3), and the frame (1) is also provided with a positioning unit (7), and the positioning unit (7) is used for disassembling the drone body (2); The support unit (4) comprises a support frame (401) and a limiting frame (402) located on one side of the support frame (401) and fixedly mounted to the frame (1); the support frame (401) and the frame (1) are hingedly mounted; a mounting groove (403) is provided inside the support frame (401); a support spring (404) and a damping rod (405) located below the support spring (404) are provided inside the mounting groove (403); the bottom of the damping rod (405) is fixedly mounted to a connecting rod (406); a supporting foot (407) is fixedly mounted on the bottom of the connecting rod (406); and a side of the support frame (401) close to the limiting frame (402) is fixedly mounted to the frame (1) via a tension spring (408); A first contact piece (409) is fixedly provided on the top wall of the mounting groove (403), a second contact piece (410) is fixedly provided on the top of the damping rod (405), and the first contact piece (409) and the second contact piece (410) cooperate to control the electric push rod (5); The positioning unit (7) comprises a motor (701), the motor (701) being fixedly arranged inside the frame (1), and rotating shafts (702) being fixedly arranged at both output ends of the motor (701), the two rotating shafts (702) being rotatably arranged with the frame (1), each rotating shaft (702) being formed with an outer worm area (7021), and the spiral directions of the outer worm areas (7021) on the two rotating shafts (702) being the same; slide grooves (101) are formed on both sides of the frame (1), and a positioning component is arranged inside each slide groove (101), and the positioning component cooperates with the outer worm area (7021) on the rotating shaft (702) for driving.

2. The unmanned aerial vehicle automated inspection system for urban pipe gallery maintenance according to claim 1 is characterized in that: The positioning assembly comprises a screw (703), the screw (703) and the slide groove (101) are rotatably arranged, a worm wheel (704) is fixedly arranged at the bottom of the screw (703), and the worm wheel (704) is meshed with an outer worm area (7021) on the rotating shaft (702); a first threaded area (705) and a second threaded area (706) are formed on the screw (703), the thread directions of the first threaded area (705) and the second threaded area (706) are opposite, and the first threaded area (705) and the second threaded area (706) are opposite. ) are threadedly connected to a first slider (707), the two first sliders (707) are respectively hinged to two connecting frames (708), the two connecting frames (708) are hinged to the side push plate (709), the second threaded area (706) is threadedly connected to a second slider (710), the second slider (710) is fixed to the upper plate body (711), and a compression spring (712) is evenly fixed at the bottom of the upper plate body (711), and each compression spring (712) is fixed to the lower plate body (713).

3. The unmanned aerial vehicle automated inspection system for urban pipe gallery maintenance according to claim 2 is characterized in that: An internal threaded area (7022) is formed on one end of each rotating shaft (702) close to the motor (701); the thread directions of the internal threaded areas (7022) on the two rotating shafts (702) are opposite; and a replacement part (8) is provided on each internal threaded area (7022); the replacement part (8) is used for replacing and disassembling the camera device (3).

4. The unmanned aerial vehicle automated inspection system for urban pipe gallery maintenance according to claim 3 is characterized in that: The replacement part (8) comprises a moving block (801), a screw hole in the moving block (801) being threadedly connected to an internal threaded area (7022) on a corresponding rotating shaft (702), an auxiliary frame (802) being fixedly provided at the bottom of the moving block (801), a U-shaped rod (803) being slidably provided in two circular holes on the auxiliary frame (802), a telescopic spring (804) symmetrically surrounding the U-shaped rod (803), the U-shaped rod (803) being fixedly provided with the auxiliary block (805), and the auxiliary block (805) being used to fix the camera device (3) in a horizontal direction.

5. The unmanned aerial vehicle automated inspection system for urban pipe gallery maintenance according to claim 4 is characterized in that: The auxiliary frame (802) is provided with a groove (806), and two auxiliary plates (807) are provided on one side of the groove (806), wherein one of the auxiliary plates (807) is rotatably arranged with the groove (806), and a cavity (808) is provided inside the two auxiliary plates (807), and an auxiliary spring (809) and an auxiliary slide plate (810) are provided inside each cavity (808), and the two auxiliary slide plates (810) are located inside the two auxiliary springs (809), and the two auxiliary slide plates (810) are fixedly arranged between each other via an auxiliary rod body (811), and telescopic rods (812) are hingedly connected at the ends of the two auxiliary plates (807) that are away from each other, and the two telescopic rods (812) are hingedly connected to a top block (813), and the top block (813) is used to fix the camera device (3) in a vertical direction.

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