Unmanned aerial vehicle for detecting cross weld of steel structure

By designing a hydraulic pump and motor-driven sliding block and fixed plate system, as well as a telescopic detection head and camera head, the problem of existing drones need to move positions when detecting welds is solved, and the drone is still in motion Efficient and fine cross trajectory detection is carried out.

CN222432608UActive Publication Date: 2025-02-07SHUNDAAN TECHNOLOGY GROUP CO LTD
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Patent Information

Application Number
CN202421319149.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-11
Publication Date
2025-02-07
Estimated Expiration
2034-06-11

AI Technical Summary

Technical Problem

The existing drones for structural cross-weld detection require moving positions for detection, resulting in complex operation, fast power consumption and low efficiency.

Method used

A drone for cross-weld detection of steel structures is designed, using hydraulic pumps and motor-driven sliding blocks and fixed plate systems, so that the drone can conduct weld detection along the cross track without moving position. . At the same time, a telescopic detection head and a camera head are used for more fine inspection.

Benefits of technology

It realizes cross-trajectory detection of the welds without moving, improves detection efficiency and accuracy, and reduces power consumption and control complexity.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of unmanned aerial vehicles, and discloses an unmanned aerial vehicle for detecting a cross weld of a steel structure, which comprises an unmanned aerial vehicle, the wings are fixedly connected to the outer wall of the unmanned aerial vehicle and are circumferentially arranged at equal intervals; the bottom plate is fixedly connected to the bottom of the unmanned aerial vehicle; the adjusting part is arranged at the bottom of the bottom plate; a motor is driven to enable a rotating column at the output end of the motor to rotate, so that a sliding square block slides along the track of a guide column under the action of a rotating groove and a brake rod, when the brake rod slides to the tail end of the rotating groove, the brake rod slides and rebounds along the track of a vertical groove under the action of a spring, and the effect of vertical reciprocating motion of the sliding square block is achieved; a hydraulic pump is driven, a connecting rod at the output end of the hydraulic pump pulls a fixing plate, so that the fixing plate rotates by 90 degrees, a motor is driven again, the effect of transverse reciprocating motion of a sliding square block is achieved, and reciprocating detection of a welding seam along a cross-shaped track is achieved under the condition that the unmanned aerial vehicle is not moved.
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Description

Technical Field

[0001] The utility model relates to the field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle for detecting cross welds of steel structures. Background Art

[0002] Unmanned aircraft, also known as "drones", are unmanned aircraft that are controlled by radio remote control equipment and self-contained program control devices. Drones are actually a general term for unmanned aerial vehicles. From a technical perspective, they can be divided into several categories: unmanned helicopters, unmanned fixed-wing aircraft, unmanned multi-rotor aircraft, unmanned airships, and unmanned paragliders. After the use of the drone is completed, the landing gear is required to control the drone's landing safety.

[0003] Currently, drones used for structural cross weld inspection are generally remotely controlled to detect and alarm at the welds. However, this kind of work that requires the continuous movement of the drone to inspect the welds requires a certain level of proficiency in operating the drone, and the constant movement of the drone consumes a lot of power. However, most people cannot inspect the welds effectively and quickly, which affects work efficiency to a certain extent. Utility Model Content

[0004] The purpose of the utility model is to provide a UAV for detecting cross welds of steel structures, so as to achieve the purpose of solving the above-mentioned background technical problems.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a UAV for detecting cross welds of steel structures, comprising a UAV; wings fixedly connected to the outer wall of the UAV and arranged equidistantly around the circumference; a base plate fixedly connected to the bottom of the UAV; an adjustment portion arranged at the bottom of the base plate; and a detection portion arranged on one side of the adjustment portion.

[0006] Preferably, the adjustment part includes: a connecting frame fixedly connected to the bottom of the drone; and a hydraulic pump rotatably connected to one end of the connecting frame via a shaft.

[0007] Preferably, the output end of the hydraulic pump is fixedly connected with a connecting rod, one end of the connecting rod is rotatably connected with a fixing plate through an axle rod, and one side of the fixing plate is fixedly connected with a connecting seat.

[0008] Preferably, a rotating column is rotatably connected between the inner sides of the connecting seat via a bearing seat, a rotating groove is opened on the outer wall of the rotating column, a vertical groove is opened on the outer wall of the rotating column, the vertical groove is communicated with the rotating groove, a guide column is fixedly connected between the inner sides of the connecting seat, a motor is fixedly connected to one side of the connecting seat, and the output end of the motor passes through the connecting seat and is fixedly connected to one end of the rotating column.

[0009] Preferably, the outer wall of the guide column is slidably connected to a sliding block, one side of the sliding block is fixedly connected to a brake rod, the brake rod is adapted to the rotating groove, a spring is arranged between the sliding block and the connecting seat, one end of the spring is fixedly connected to one side of the sliding block, and the other end of the spring is fixedly connected to one side of the connecting seat.

[0010] Preferably, the detection part includes: a detector, which is rotatably connected to one side of the fixed plate through a bearing seat; a fixed block, which is fixedly connected to one side of the fixed plate; and a telescopic detection head, which is fixedly connected to one side of the sliding block.

[0011] Preferably, a connecting block is fixedly connected to the outer wall of the detector, an elastic rope is arranged between the connecting block and the fixed block, one end of the elastic rope is fixedly connected to one side of the connecting block, and the other end of the elastic rope is fixedly connected to one side of the fixed block.

[0012] Preferably, a camera head is fixedly connected to the outer wall of the telescopic detection head, a wire is arranged between the telescopic detection head and the detector, one end of the wire is fixedly connected to the outer wall of the detector, the other end of the wire is fixedly connected to the outer wall of the telescopic detection head, and the wire is wound around the outer wall of the detector.

[0013] The utility model provides a UAV for detecting cross welds of steel structures. It has the following beneficial effects:

[0014] (1) The utility model drives the motor to rotate the rotating column at the output end of the motor, so that under the action of the rotating groove and the brake rod, the sliding block slides along the track of the guide column. When the brake rod slides to the end of the rotating groove, under the action of the spring, the brake rod slides and rebounds along the track of the vertical groove, so as to achieve the effect of vertical reciprocating motion of the sliding block, drive the hydraulic pump, so that the connecting rod at the output end of the hydraulic pump pulls the fixed plate, so that the fixed plate rotates ninety degrees, and drives the motor again to achieve the effect of horizontal reciprocating motion of the sliding block, so that the drone can achieve reciprocating detection of the weld along the cross track without moving.

[0015] (2) The utility model drives the telescopic detection head to extend or shorten it, and with the assistance of the camera, the weld is better inspected and fed back. When the telescopic detection head is extended, the wire is pulled to rotate the detector around the axis. Conversely, after the telescopic detection head is reset, the detector is rotated and reset under the action of the elastic rope, and the wire is reeled in, thereby achieving an orderly wire management effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the main schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a front view of the overall structure of the utility model;

[0018] Figure 3 This is a view of the adjustment part of the utility model;

[0019] Figure 4 This is a view of the detection part of the utility model.

[0020] In the figure: 1 drone, 2 wing, 3 bottom plate, 4 adjustment part, 5 detection part;

[0021] 411 connecting frame, 412 hydraulic pump, 413 connecting rod, 414 fixing plate, 415 connecting seat, 416 rotating column, 417 guide column, 418 motor, 419 sliding block, 420 brake rod, 421 spring;

[0022] 511 detector, 512 fixing block, 513 connecting block, 514 elastic rope, 515 telescopic detection head, 516 camera head, 517 wire. DETAILED DESCRIPTION

[0023] 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.

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] Example 1

[0026] A preferred embodiment of a UAV for detecting cross welds of steel structures provided by the utility model is as follows: Figure 1-4 As shown: A UAV for detecting cross welds of steel structures, comprising a UAV 1; wings 2, fixedly connected to the outer wall of the UAV 1 and arranged equidistantly around the circumference; a base plate 3, fixedly connected to the bottom of the UAV 1; an adjustment portion 4 arranged at the bottom of the base plate 3; and a detection portion 5 arranged on one side of the adjustment portion 4.

[0027] The adjusting part 4 includes: a connecting frame 411 fixedly connected to the bottom of the drone 1; and a hydraulic pump 412 rotatably connected to one end of the connecting frame 411 via a shaft.

[0028] The output end of the hydraulic pump 412 is fixedly connected with a connecting rod 413 , one end of the connecting rod 413 is rotatably connected with a fixing plate 414 through a shaft, and one side of the fixing plate 414 is fixedly connected with a connecting seat 415 .

[0029] A rotating column 416 is rotatably connected between the inner sides of the connecting seat 415 via a bearing seat, a rotating groove is provided on the outer wall of the rotating column 416, a vertical groove is provided on the outer wall of the rotating column 416, the vertical groove is communicated with the rotating groove, a guide column 417 is fixedly connected between the inner sides of the connecting seat 415, a motor 418 is fixedly connected to one side of the connecting seat 415, and the output end of the motor 418 passes through the connecting seat 415 and is fixedly connected to one end of the rotating column 416.

[0030] The outer wall of the guide column 417 is slidably connected to a sliding block 419, and a brake rod 420 is fixedly connected to one side of the sliding block 419. The brake rod 420 is adapted to the rotating groove. A spring 421 is arranged between the sliding block 419 and the connecting seat 415, and one end of the spring 421 is fixedly connected to one side of the sliding block 419, and the other end of the spring 421 is fixedly connected to one side of the connecting seat 415.

[0031] Furthermore, this embodiment drives the motor 418 to rotate the rotating column 416 at the output end of the motor 418, so that under the action of the rotating groove and the brake rod 420, the sliding block 419 slides along the track of the guide column 417. When the brake rod 420 slides to the end of the rotating groove, under the action of the spring 421, the brake rod 420 slides and rebounds along the track of the vertical groove, so as to achieve the effect of vertical reciprocating motion of the sliding block 419, drive the hydraulic pump 412, so that the connecting rod 413 at the output end of the hydraulic pump 412 pulls the fixed plate 414, so that the fixed plate 414 rotates ninety degrees, and drives the motor 418 again to achieve the effect of lateral reciprocating motion of the sliding block 419, so that the drone 1 can be kept stationary and the weld can be reciprocated along the track of the cross.

[0032] Example 2

[0033] Based on Example 1, a preferred embodiment of a drone for detecting cross welds of steel structures provided by the utility model is as follows: Figure 1-4 As shown: the detection part 5 includes: a detector 511, which is rotatably connected to one side of the fixed plate 414 through a bearing seat; a fixed block 512, which is fixedly connected to one side of the fixed plate 414; and a telescopic detection head 515, which is fixedly connected to one side of the sliding block 419.

[0034] The outer wall of the detector 511 is fixedly connected to a connecting block 513 , an elastic rope 514 is arranged between the connecting block 513 and the fixed block 512 , one end of the elastic rope 514 is fixedly connected to one side of the connecting block 513 , and the other end of the elastic rope 514 is fixedly connected to one side of the fixed block 512 .

[0035] The outer wall of the telescopic detection head 515 is fixedly connected to a camera head 516, and a wire 517 is arranged between the telescopic detection head 515 and the detector 511, one end of the wire 517 is fixedly connected to the outer wall of the detector 511, and the other end of the wire 517 is fixedly connected to the outer wall of the telescopic detection head 515, and the wire 517 is wound around the outer wall of the detector 511.

[0036] Furthermore, this embodiment drives the telescopic detection head 515 to extend or shorten the telescopic detection head 515, and with the assistance of the camera 516, the weld is better detected and fed back. At the same time, when the telescopic detection head 515 is extended, the wire 517 is pulled to rotate the detector 511 around the axis. Conversely, after the telescopic detection head 515 is reset, the detector 511 is rotated and reset under the action of the elastic rope 514, and the wire 517 is reeled in, thereby achieving the effect of orderly wire management.

[0037] When in use, first, the motor 418 is driven to rotate the rotating column 416 at the output end of the motor 418, so that the sliding block 419 slides along the track of the guide column 417 under the action of the rotating groove and the brake rod 420. When the brake rod 420 slides to the end of the rotating groove, the brake rod 420 slides and rebounds along the track of the vertical groove under the action of the spring 421, so as to achieve the effect of vertical reciprocating motion of the sliding block 419, and the hydraulic pump 412 is driven to make the connecting rod 413 at the output end of the hydraulic pump 412 pull the fixed plate 414, so that the fixed plate 414 rotates ninety degrees, and the motor 418 is driven again. , so as to achieve the effect of the sliding block 419 moving back and forth horizontally, so that the UAV 1 can perform reciprocating detection on the weld along the cross track without moving; secondly, drive the telescopic detection head 515 to extend or shorten the telescopic detection head 515, and with the assistance of the camera head 516, better detect and feedback the weld. At the same time, when the telescopic detection head 515 is extended, the wire 517 is pulled to rotate the detector 511 around the axis. Conversely, after the telescopic detection head 515 is reset, the detector 511 is rotated and reset under the action of the elastic rope 514, and the wire 517 is reeled in, so as to achieve the effect of orderly wire management.

[0038] 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.

[0039] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A UAV for detecting cross welds of steel structures, characterized in that: Including drone (1); The wings (2) are fixedly connected to the outer wall of the drone (1) and are arranged at equal intervals around the circumference; A bottom plate (3) fixedly connected to the bottom of the drone (1); An adjustment portion (4) disposed at the bottom of the base plate (3); A detection portion (5) is arranged on one side of the adjustment portion (4).

2. The UAV for detecting cross welds of steel structures according to claim 1, characterized in that: The regulating part (4) comprises: A connecting frame (411) is fixedly connected to the bottom of the drone (1); The hydraulic pump (412) is rotatably connected to one end of the connecting frame (411) via a shaft.

3. The UAV for detecting cross welds of steel structures according to claim 2, characterized in that: The output end of the hydraulic pump (412) is fixedly connected to a connecting rod (413), one end of the connecting rod (413) is rotatably connected to a fixing plate (414) via a shaft, and one side of the fixing plate (414) is fixedly connected to a connecting seat (415).

4. The UAV for detecting cross welds of steel structures according to claim 3, characterized in that: A rotating column (416) is rotatably connected between the inner sides of the connecting seat (415) via a bearing seat, a rotating groove is provided on the outer wall of the rotating column (416), a vertical groove is provided on the outer wall of the rotating column (416), and the vertical groove is communicated with the rotating groove, a guide column (417) is fixedly connected between the inner sides of the connecting seat (415), a motor (418) is fixedly connected to one side of the connecting seat (415), and an output end of the motor (418) passes through the connecting seat (415) and is fixedly connected to one end of the rotating column (416).

5. The UAV for detecting cross welds of steel structures according to claim 4, characterized in that: The outer wall of the guide column (417) is slidably connected to a sliding block (419), one side of the sliding block (419) is fixedly connected to a brake rod (420), the brake rod (420) is adapted to the rotation groove, a spring (421) is provided between the sliding block (419) and the connecting seat (415), one end of the spring (421) is fixedly connected to one side of the sliding block (419), and the other end of the spring (421) is fixedly connected to one side of the connecting seat (415).

6. The UAV for detecting cross welds of steel structures according to claim 1, characterized in that: The detection part (5) includes: The detector (511) is rotatably connected to one side of the fixed plate (414) via a bearing seat; A fixing block (512) fixedly connected to one side of the fixing plate (414); The telescopic detection head (515) is fixedly connected to one side of the sliding block (419).

7. The UAV for detecting cross welds of steel structures according to claim 6, characterized in that: A connecting block (513) is fixedly connected to the outer wall of the detector (511); an elastic rope (514) is provided between the connecting block (513) and the fixed block (512); one end of the elastic rope (514) is fixedly connected to one side of the connecting block (513); and the other end of the elastic rope (514) is fixedly connected to one side of the fixed block (512).

8. The UAV for detecting cross welds of steel structures according to claim 6, characterized in that: The outer wall of the telescopic detection head (515) is fixedly connected to a camera head (516); a wire (517) is provided between the telescopic detection head (515) and the detector (511); one end of the wire (517) is fixedly connected to the outer wall of the detector (511); the other end of the wire (517) is fixedly connected to the outer wall of the telescopic detection head (515); and the wire (517) is wound around the outer wall of the detector (511).