Foldable arm for surveying unmanned aerial vehicle
By designing a foldable arm structure and using bolts and magnets to fold and unfold the arm, the problem of inconvenient transportation of survey drones is solved, improving the convenience and safety of transportation.
Patent Information
- Application Number
- CN202520086924.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-01-15
AI Technical Summary
Existing survey drones have long arms, which makes transportation inconvenient and takes up a lot of space, posing safety hazards.
A foldable boom structure was designed, which enables the boom to be folded and unfolded by bolts and magnets, and is fixed by a combination of telescopic rods and nylon cloth to ensure that the boom does not automatically flip over during transportation.
This improves the convenience and safety of transporting survey drones, and reduces space occupation and potential dangers during transportation.
Smart Images

Figure CN223736278U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of survey unmanned aerial vehicle, specifically a kind of foldable machine arm for survey unmanned aerial vehicle, belong to survey unmanned aerial vehicle technical field. BACKGROUND
[0002] Current survey unmanned aerial vehicle is used in surveying and mapping, fire fighting, security and other aspects, traditional surveying and mapping means inefficiency, high cost, and some mountainous area, surveying and mapping task in marshland area possibly brings personal danger to surveying and mapping team, compared with traditional surveying and mapping means, survey unmanned aerial vehicle has great advantage in operation efficiency, cost control and personal safety etc.
[0003] Existing survey unmanned aerial vehicle is generally medium-large unmanned aerial vehicle, so that the machine arm of survey unmanned aerial vehicle is longer, resulting in that it occupies larger space volume, and it is not convenient when transporting and transferring.
[0004] Therefore, a kind of foldable machine arm for survey unmanned aerial vehicle is proposed. CONTENT OF UTILITY MODEL
[0005] The utility model proposes a kind of foldable machine arm for survey unmanned aerial vehicle to solve the problem that the machine arm of survey unmanned aerial vehicle is longer in prior art, resulting in that it occupies larger space volume.
[0006] The utility model is realized by the following technical scheme: a kind of foldable machine arm for survey unmanned aerial vehicle, including fixed arm and the installation sleeve of fixed connection in the bottom of fixed arm, further including the rotating arm of rotation connection in the left end of fixed arm;
[0007] The inner chamber right side wall of installation sleeve is fixedly connected with telescopic rod, the end of telescopic rod is fixedly connected with support block, the bottom of support block is screwed with bolt, the right end of rotating arm is rotatably connected with connecting block, connecting block is rotatably connected in the left end of fixed arm, the bottom right side of rotating arm is equipped with second screw hole, and the top left side of rotating arm is fixedly connected with propeller.
[0008] Further, the first screw hole is formed in the bottom left side of fixed arm.
[0009] Further, the rear side wall of fixed arm is provided with clamping slot, and the inner chamber front side wall of clamping slot is embedded with first magnet.
[0010] Further, the front side wall of fixed arm is provided with recess, and the inner chamber left and right side walls of recess are rotatably connected with winding roller.
[0011] Further, the left side of the outer side wall of winding roller is fixedly connected with torsion spring, and the outer side wall of winding roller is wound with nylon cloth at middle.
[0012] Further, the end of the nylon cloth is fixedly connected with a clamping block, and the front side wall of the clamping block is inlaid with a second magnet.
[0013] The utility model provides a kind of foldable machine arm for surveying unmanned plane, it has the beneficial effects as follows:
[0014] 1, the foldable machine arm for surveying unmanned plane is separated by screw bolt from the second screw hole, and the rotating arm is separated from support block, and then the rotating arm is folded to the fixed arm by folding upwards, then the telescopic rod is contracted by right pressing support block, at this time, screw bolt is aligned with the first screw hole, and screw bolt is screwed into the first screw hole, so that the folding of unmanned plane machine arm can be completed, and when the machine arm is unfolded, the rotating arm is unfolded by folding the rotating arm again, then support block is supported and fixed to the rotating arm by screwing screw bolt into the second screw hole, to avoid the automatic folding of rotating arm during work, so that the machine arm of surveying unmanned plane can be folded, and the transport convenience of surveying unmanned plane is improved.
[0015] 2, the foldable machine arm for surveying unmanned plane is stretched out from the groove by pulling the clamping block, then the nylon cloth is wrapped on the folded rotating arm, then the clamping block is clamped in the clamping groove, so that the first magnet is adsorbed to the second magnet, and then the clamping block is fixed in the clamping groove, at this time, the nylon cloth is wrapped around the rotating arm, so that the automatic turning of rotating arm during transportation is avoided, thereby improving the transportation safety of surveying unmanned plane. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;
[0017] Figure 2 It is the main view cross-sectional structure schematic diagram of the utility model;
[0018] Figure 3 It is the left view cross-sectional structure schematic diagram of the utility model;
[0019] Figure 4 It is the Figure 3 It is the enlarged structure schematic diagram of A place in the utility model.
[0020] REFERENCE SIGNS
[0021] 100, fixed arm; 110, first screw hole; 120, clamping groove; 130, first magnet; 140, groove; 150, winding roller; 160, torsional spring; 170, nylon cloth; 180, clamping block; 190, second magnet; 200, mounting sleeve; 210, telescopic rod; 220, support block; 230, screw bolt; 300, rotating arm; 310, connecting block; 320, second screw hole; 330, propeller. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work are within the protection scope of the present application.
[0023] Please refer to Figures 1-4 The utility model discloses a kind of foldable machine arms for surveying unmanned aerial vehicle, including fixed arm 100 and the mounting sleeve 200 of fixed connection in the bottom of fixed arm 100, further including rotating arm 300 of rotating connection in the left end of fixed arm 100.
[0024] Please refer to Figures 1-2 The inner cavity right side wall of mounting sleeve 200 is fixedly connected with telescopic rod 210, the end of telescopic rod 210 is fixedly connected with support block 220, the bottom of support block 220 is screwed with bolt 230, the right end of rotating arm 300 is rotatably connected with connecting block 310, connecting block 310 is rotatably connected to the left end of fixed arm 100, the bottom right side of rotating arm 300 is provided with second screw hole 320, the top left side of rotating arm 300 is fixedly connected with propeller 330, by screwing bolt 230 from second screw hole 320, so that rotating arm 300 is separated from support block 220, then by folding rotating arm 300 upwards, so that rotating arm 300 is folded above fixed arm 100, then press support block 220 to the right and make telescopic rod 210 shrink, at this time, bolt 230 is aligned with first screw hole 110, and bolt 230 is screwed into first screw hole 110, so that the folding of unmanned aerial vehicle arm can be completed, and when unfolding the machine arm, fold rotating arm 300 again, so that rotating arm 300 is unfolded, then pull support block 220 to the left, and screw bolt 230 into second screw hole 320, so that support block 220 supports and fixes rotating arm 300, to avoid rotating arm 300 from folding automatically when working, so that the machine arm of surveying unmanned aerial vehicle can be folded, and the transportation convenience of surveying unmanned aerial vehicle is improved.
[0025] Please refer to Figures 1-4The bottom left side of the fixed arm 100 is provided with a first threaded hole 110, the rear side wall of the fixed arm 100 is provided with a clamping groove 120, the inner cavity front side wall of the clamping groove 120 is embedded with a first magnet 130, the front side wall of the fixed arm 100 is provided with a groove 140, the left and right side walls of the inner cavity of the groove 140 are rotationally connected with a winding roller 150, the outer side wall left side of the winding roller 150 is fixedly connected with a torsional spring 160, the outer side wall middle part of the winding roller 150 is wound with a nylon cloth 170, the tail end of the nylon cloth 170 is fixedly connected with a clamping block 180, the front side wall of the clamping block 180 is embedded with a second magnet 190, by pulling the clamping block 180, the clamping block 180 drives the nylon cloth 170 to stretch out of the groove 140, then the nylon cloth 170 is wrapped on the folded rotating arm 300, and then the clamping block 180 is clamped in the clamping groove 120, so that the first magnet 130 adsorbs the second magnet 190, and then the clamping block 180 is fixed in the clamping groove 120, at this time, the nylon cloth 170 wraps the rotating arm 300, so that the rotating arm 300 is prevented from being automatically turned on in the transportation process, thereby improving the transportation safety of the survey unmanned aerial vehicle.
[0026] In use, first, when folding the machine arm, the bolt 230 is screwed out of the second threaded hole 320, so that the rotating arm 300 is separated from the supporting block 220, then the rotating arm 300 is folded above the fixed arm 100 by being folded upward, then the supporting block 220 is pressed to the right to make the telescopic rod 210 contract, at this time, the bolt 230 is aligned with the first threaded hole 110, and the bolt 230 is screwed into the first threaded hole 110, then the clamping block 180 is pulled out, so that the clamping block 180 drives the nylon cloth 170 to stretch out of the groove 140, and the nylon cloth 170 is folded upward, so that the nylon cloth 170 wraps the rotating arm 300, at this time, the clamping block 180 is clamped in the clamping groove 120, so that the first magnet 130 adsorbs the second magnet 190, and then the clamping block 180 is fixed in the clamping groove 120, so that the folding of the machine arm can be completed.
[0027] When it is necessary to unfold the machine arm, the clamping block 180 is pulled out of the clamping groove 120, at this time, the torsional spring 160 rebounds to drive the winding roller 150 to rotate, so that the winding roller 150 re-wraps the nylon cloth 170, then the rotating arm 300 is folded again, so that the rotating arm 300 is unfolded, then the bolt 230 is screwed out of the first threaded hole 110, and the supporting block 220 is pulled to the left to drive the telescopic rod 210 to elongate, so that the supporting block 220 moves to below the rotating arm 300, then the bolt 230 is screwed into the second threaded hole 320, so that the supporting block 220 supports and fixes the rotating arm 300, so that the unfolding of the machine arm can be completed.
[0028] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A foldable arm for surveying unmanned aerial vehicles, comprising a fixed arm (100) and a mounting sleeve (200) fixedly connected to the bottom of the fixed arm (100), characterized in that: A rotating arm (300) is rotatably connected to the left end of the fixed arm (100); The inner cavity right side wall of the mounting sleeve (200) is fixedly connected with a telescopic rod (210), the distal end of the telescopic rod (210) is fixedly connected with a supporting block (220), the bottom of the supporting block (220) is screwed with a bolt (230), the right end of the rotating arm (300) is rotatably connected with a connecting block (310), the connecting block (310) is rotatably connected to the left end of the fixed arm (100), the bottom right side of the rotating arm (300) is provided with a second threaded hole (320), and the top left side of the rotating arm (300) is fixedly connected with a propeller (330).
2. The foldable robotic arm of claim 1, wherein: The bottom left side of the fixed arm (100) is provided with a first threaded hole (110).
3. The foldable robotic arm of claim 1, wherein: The rear side wall of the fixed arm (100) is provided with a clamping groove (120), and the inner cavity front side wall of the clamping groove (120) is inlaid with a first magnet (130).
4. The foldable robotic arm of claim 1, wherein: The front side wall of the fixed arm (100) is provided with a groove (140), and the inner cavity left and right side walls of the groove (140) are rotatably connected with a winding roller (150).
5. The foldable robotic arm of claim 4, wherein: The outer side wall left side of the winding roller (150) is fixedly connected with a torsional spring (160), and the outer side wall middle part of the winding roller (150) is wound with a nylon cloth (170).
6. The foldable robotic arm of claim 5, wherein: The distal end of the nylon cloth (170) is fixedly connected with a clamping block (180), and the front side wall of the clamping block (180) is inlaid with a second magnet (190).