Unmanned helicopter capable of being quickly disassembled and assembled

Abstract

The utility model relates to the technical field of unmanned helicopters, and discloses an unmanned helicopter capable of being quickly disassembled and assembled, which comprises an unmanned helicopter body and further comprises a shell, the shell is mounted at the bottom of the unmanned helicopter body, two groups of movable frames are slidably connected to the inner wall of the shell, and clamping plates are inserted into the inner walls of the movable frames; the mounting disc is arranged below the shell, and four sets of connecting seats are fixed to the outer side of the mounting disc, the movable frame is matched with the clamping plates, flexible adjustment can be achieved so that the lifting appliance can be matched with the mounting discs of different shapes and sizes, and therefore the lifting appliance can be rapidly mounted or dismounted, and an adjustable structure is formed by the mounting disc, the connecting seats, the pull rods and the limiting frames; the angle and the distance can be flexibly adjusted according to the position and the gravity center of an article, hoisting balance is ensured, the sleeve and the insertion rod in the limiting frame slide in a matched mode, the transmission mechanism is matched, the clamping force can be rapidly and accurately adjusted, and article safety is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to unmanned helicopter technical field, concretely is a kind of unmanned helicopter of quick dismounting. BACKGROUND

[0002] Unmanned helicopter refers to vertical take-off and landing unmanned aircraft by radio ground remote control flight or autonomous control flight, belongs to rotary-wing aircraft in structural form, and belongs to vertical take-off and landing aircraft in function. It has the characteristics of helicopter and unmanned aerial vehicle, has the ability of vertical take-off and landing, air hovering and flexible flight, and does not need runway, has strong adaptability, can be flexibly executed in the air Task, unmanned helicopter can effectively avoid personnel casualties due to small size, low cost and strong mobility, can perform some special tasks that manned helicopters cannot complete, and has wide application in military, civil and other fields.

[0003] In the practical application of unmanned helicopter, such as surveying, aerial photography, line patrol, fire fighting and disaster relief and toxic environment monitoring, the components of the unmanned helicopter often need to be quickly replaced or adjusted according to different task requirements, therefore, a kind of unmanned helicopter of quick dismounting is needed to meet the needs of quickly replacing or adjusting components in different task scenarios, however, the existing unmanned helicopter often adopts integrated structure as lifting structure when transporting goods, the connection between components is complex, and dismounting is difficult, which greatly limits the use efficiency and flexibility of unmanned helicopter, so that the unmanned helicopter cannot flexibly replace different structures, adapt to a variety of products, and the lifting structure in the unmanned helicopter needs to be maintained and repaired regularly due to wear and tear and failure and other problems during use, the dismounting process of the lifting structure in the unmanned helicopter is complex and time-consuming, which will greatly increase the maintenance cost and time cost, thereby reducing the availability and economy of the unmanned helicopter. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of unmanned helicopter of quick dismounting to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of unmanned helicopter of quick dismounting, including unmanned helicopter body, further comprising:

[0006] The shell is installed at the bottom of the unmanned helicopter body, the inner wall of the shell is slidably connected with two groups of movable racks, and the inner wall of the movable rack is inserted with a clamping plate.

[0007] The mounting disc is arranged below the shell, the outer side of the mounting disc is fixed with four groups of connecting seats, and the inner wall of the connecting seat is rotatably connected with a pull rod.

[0008] A limiting frame is rotated at one end of the pull rod away from the connecting seat, the inner wall of the limiting frame is slidably connected with a sleeve and a plug rod respectively, the outer side of the plug rod and the inner wall of the sleeve are matched with each other, and the inside of the limiting frame is provided with a transmission mechanism.

[0009] Preferably, the transmission mechanism comprises a first right and reverse threaded rod rotated at the inner wall of the limiting frame, the outer side of the first right and reverse threaded rod is threadedly connected with the inner wall of the sleeve and the plug rod respectively, the inner wall of the limiting frame is fixed with a supporting block, the inner wall of the supporting block is rotationally connected with the outer side of the first right and reverse threaded rod, and one end of the first right and reverse threaded rod is fixed with a first rotating disc.

[0010] Preferably, the inside of the shell is provided with a motor, the output end of the motor is fixed with a worm, and one end of the worm away from the motor is rotationally connected with the inner wall of the shell.

[0011] Preferably, the outer side of the worm is meshingly connected with a worm wheel, the axial center of the worm wheel is fixed with a second right and reverse threaded rod arranged transversely, and the outer side of the second right and reverse threaded rod is threadedly connected with the inner wall of the movable frame.

[0012] Preferably, the inner wall of the shell is fixed with two supporting plates, the inner wall of the supporting plate is rotationally connected with the outer side of the second right and reverse threaded rod, one side of the supporting plate is fixed with two groups of limiting rods, and the outer side of the limiting rod is slidably connected with the inner wall of the movable frame.

[0013] Preferably, the outer side of the clamping plate is fixed with a fixed plate, the inner wall of the fixed plate is threadedly connected with two groups of first threaded rods, one end of the first threaded rod is threadedly connected with the inner wall of the movable frame, and the other end of the first threaded rod is fixed with a second rotating disc.

[0014] Preferably, the outer side of the shell is fixed with four groups of mounting blocks, and the top of the mounting block is connected with the bottom of the unmanned helicopter body through fixing bolts.

[0015] Compared with the prior art, the unmanned helicopter provided by the present application has the following beneficial effects:

[0016] The movable frame and the clamping plate can be flexibly adjusted to adapt to installation discs of different shapes and sizes, so that the lifting appliance can be quickly installed or disassembled, the adjustable structure formed by the installation disc, the connecting seat, the pull rod and the limiting frame can flexibly adjust the angle and distance according to the position and gravity center of the object, so as to ensure the balance of lifting, the sleeve and the plug rod in the limiting frame are matched and slid, and the transmission mechanism can quickly and accurately adjust the clamping force, so as to ensure the safety of the object. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The structure diagram of a preferred embodiment of the unmanned helicopter provided by the present application is shown in the figure.

[0018] Figure 2 The utility model provides an unmanned helicopter body structure schematic view;

[0019] Figure 3 The utility model provides a shell structure schematic view;

[0020] Figure 4 The utility model provides a transmission mechanism structure schematic view;

[0021] Figure 5 For Figure 3 The enlarged structure schematic view of A in the drawing.

[0022] In the drawing: 1, unmanned helicopter body;2, shell;3, movable frame;4, clamping plate;5, installation disc;6, connecting seat;7, pull rod;8, limit frame;9, sleeve;10, plug rod;11, transmission mechanism;111, first right and left thread rod;112, support block;113, first rotary table;12, motor;13, worm;14, worm wheel;15, second right and left thread rod;16, support plate;17, limit rod;18, fixed plate;19, first thread rod;20, second rotary table;21, installation block. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the range of protection of the utility model.

[0024] Please refer to Figures 1-5As shown, a quick detachable unmanned helicopter, including unmanned helicopter body 1, unmanned helicopter body 1 as the core of the entire unmanned helicopter, bearing the required functions of each module, such as power system, flight control system, navigation system, etc., for other components provide installation basis, and realize the basic action of unmanned helicopter take-off, flight, landing, etc., the shell 2 is installed at the bottom of the unmanned helicopter body 1, the inner wall of the shell 2 is slidably connected with two groups of movable frame 3, the inner wall of the movable frame 3 is inserted with the clamping plate 4, the shell 2 is installed at the bottom of the unmanned helicopter body 1, providing installation space for the internal movable frame 3, motor 12 and other components, at the same time, it plays a protective role, preventing internal components from being damaged by external environment, the inner wall of the shell 2 is slidably connected with the movable frame 3, providing guidance for the movement of the movable frame 3, ensuring that the movable frame 3 can move horizontally according to the predetermined trajectory, four groups of mounting blocks 21 are fixed on the outer side of the shell 2, connected with the bottom of the unmanned helicopter body 1 through fixing bolts, realizing reliable fixation of the shell 2 and the unmanned helicopter body 1, the inner wall of the movable frame 3 is inserted with the clamping plate 4, providing support for the clamping plate 4, so that the clamping plate 4 can be stably installed on the movable frame 3, thereby realizing the clamping function of the mounting disc 5, the clamping plate 4 cooperates with the movable frame 3 and directly contacts with the mounting disc 5, ensuring that the mounting disc 5 remains stable during the flight of the unmanned helicopter through clamping, preventing objects from shaking or falling off; the mounting disc 5 is arranged below the shell 2, four groups of connecting seats 6 are fixed on the outer side of the mounting disc 5, the inner wall of the connecting seat 6 is rotatably connected with the pull rod 7; the limiting frame 8 is rotatably arranged at the end of the pull rod 7 away from the connecting seat 6, the inner wall of the limiting frame 8 is slidably connected with the sleeve 9 and the insertion rod 10, and the outer side of the insertion rod 10 and the inner wall of the sleeve 9 are matched with each other, the transmission mechanism 11 is arranged in the limiting frame 8, the mounting disc 5 is arranged below the shell 2 as a basic platform for connecting other components, providing mounting position for the connecting seat 6, realizing connection and transmission with other components through the connecting seat 6, playing a role of connecting the previous and the next, the connecting seat 6 is fixed on the outer side of the mounting disc 5, and the inner wall thereof is rotatably connected with the pull rod 7, so that the pull rod 7 can rotate relative to the connecting seat 6, realizing force transmission and structure movement, transmitting the force or movement received by the mounting disc 5 to the pull rod 7, and then driving other components to move, the limiting frame 8 can limit the sleeve 9 and the insertion rod 10 slidably arranged therein, the outer side of the insertion rod 10 and the inner wall of the sleeve 9 are matched with each other, and the two can be connected and fixed through insertion, forming a structure with adjustable length, under the drive of the transmission mechanism 11, the sleeve 9 and the insertion rod 10 can slide along the inner wall of the limiting frame 8, thereby adjusting the overall length thereof to adapt to different installation space and use requirements.

[0025] The transmission mechanism 11 comprises a first right and left thread rod 111 rotating on the inner wall of the limiting frame 8, and the outer side of the first right and left thread rod 111 is respectively threadedly connected with the inner wall of the sleeve 9 and the plug rod 10. The inner wall of the limiting frame 8 is fixedly connected with a supporting block 112, and the inner wall of the supporting block 112 is rotationally connected with the outer side of the first right and left thread rod 111. One end of the first right and left thread rod 111 is fixedly connected with a first rotating disc 113, and the first right and left thread rod 111 is rotationally connected on the inner wall of the limiting frame 8, and one end of the first right and left thread rod 111 is fixedly connected with the first rotating disc 113. The first rotating disc 113 is rotated to drive the first right and left thread rod 111 to rotate, and power is transmitted to the sleeve 9 and the plug rod 10. Since the inner wall of the sleeve 9 and the plug rod 10 is respectively threadedly connected with different thread segments of the first right and left thread rod 111, when the first right and left thread rod 111 rotates, the sleeve 9 and the plug rod 10 will relatively move along the axial direction of the first right and left thread rod 111 to realize the length adjustment. The supporting block 112 supports the first right and left thread rod 111 to ensure the stable rotation. At this time, the sleeve 9 and the plug rod 10 can relatively slide along the inner wall of the limiting frame 8 under the driving of the transmission mechanism 11, so that the articles can be hoisted and unloaded, and the hoisted articles can be quickly disassembled and assembled.

[0026] The inside of the shell 2 is provided with a motor 12, the output end of the motor 12 is fixed with a worm 13, and the end of the worm 13 away from the motor 12 is rotatably connected with the inner wall of the shell 2; the outer side of the worm 13 is meshingly connected with a worm wheel 14, the axial center of the worm wheel 14 is fixed with a transversely arranged second right and left threaded rod 15, and the outer side of the second right and left threaded rod 15 is threadedly connected with the inner wall of the movable frame 3; the inner wall of the shell 2 is fixed with two supporting plates 16, and the inner wall of the supporting plate 16 is rotatably connected with the outer side of the second right and left threaded rod 15, one side of the supporting plate 16 is fixed with two groups of limiting rods 17, and the outer side of the limiting rod 17 is slidably connected with the inner wall of the movable frame 3; the motor 12 serves as a power source to provide power for the rotation of the worm 13, converts electrical energy into mechanical energy through the operation of the motor 12, drives the whole transmission system to work, realizes the movement adjustment of the movable frame 3 and the clamping plate 4, the worm 13 is fixedly connected with the output end of the motor 12, and the worm wheel 14 is meshingly connected with the worm 13. When the motor 12 drives the worm 13 to rotate, the worm 13 drives the worm wheel 14 to rotate through meshing, transmits the rotary motion of the motor 12 to the worm wheel 14, the transmission of the worm 13 and the worm wheel 14 has the effects of speed reduction and transmission direction change, can convert the high-speed rotation of the motor 12 into low-speed rotation suitable for the rotation of the second right and left threaded rod 15, changes the transmission direction, meets the installation and transmission requirements of the internal structure of the unmanned helicopter, the axial center of the worm wheel 14 is fixed with a transversely arranged second right and left threaded rod 15, the worm wheel 14 drives the second right and left threaded rod 15 to rotate when rotating, transmits power to the movable frame 3, the outer side of the second right and left threaded rod 15 is threadedly connected with the inner wall of the movable frame 3, the movable frame 3 moves horizontally under the guidance of the limiting rod 17 when the second right and left threaded rod 15 rotates, so as to realize the adjustment of the position of the clamping plate 4, the inner wall of the shell 2 is fixed with two supporting plates 16, the inner wall of the supporting plate 16 is rotatably connected with the outer side of the second right and left threaded rod 15, provides support for the second right and left threaded rod 15, ensures that the second right and left threaded rod 15 can stably rotate, one side of the supporting plate 16 is fixed with two groups of limiting rods 17, provides an installation position for the limiting rod 17, plays a role in fixing the limiting rod 17, the outer side of the limiting rod 17 is slidably connected with the inner wall of the movable frame 3, plays a guiding role in the movement of the movable frame 3, ensures that the movable frame 3 can only move horizontally along the axial direction of the limiting rod 17, prevents the movable frame 3 from deviating or rotating during movement, and ensures the position adjustment accuracy of the clamping plate 4.

[0027] The outer side of the clamping plate 4 is fixed with a fixed plate 18, the inner wall of the fixed plate 18 is threadedly connected with two groups of first threaded rods 19, one end of the first threaded rod 19 is threadedly connected with the inner wall of the movable frame 3, the other end of the first threaded rod 19 is fixed with a second rotating disc 20; The outer side of the shell 2 is fixed with four groups of mounting blocks 21, the top of the mounting block 21 is connected with the bottom of the unmanned helicopter body 1 through fixing bolts, the fixed plate 18 is fixed on the outer side of the clamping plate 4, one end of the first threaded rod 19 is threadedly connected with the inner wall of the movable frame 3, the other end of the first threaded rod 19 passes through the fixed plate 18 and is fixed through thread connection. By tightening the first threaded rod 19, the clamping plate 4 is firmly fixed on the movable frame 3, when it is necessary to disassemble the clamping plate 4, the second rotating disc 20 is rotated to drive the first threaded rod 19 to rotate, so that the first threaded rod 19 is rotated out of the inner wall of the movable frame 3, so as to release the fixation of the clamping plate 4, realize the quick disassembly of the clamping plate 4, the mounting block 21 is fixed on the outer side of the shell 2, and is connected with the bottom of the unmanned helicopter body 1 through fixing bolts, so as to realize the reliable connection between the shell 2 and the unmanned helicopter body 1, ensure that the shell 2 remains stable during the flight of the unmanned helicopter, and prevent the shell 2 from shaking or falling off.

[0028] In the process of lifting the goods, first, the motor 12 starts, the motor 12 drives the worm 13 fixed on its output end to rotate, because the worm 13 and the worm wheel 14 are engaged with each other, the worm wheel 14 will rotate synchronously, the worm wheel 14 is fixed at the shaft center, so the second positive and negative threaded rod 15 will also rotate, at this time, the movable frame 3 is screwed with the second positive and negative threaded rod 15, and under the limiting action of the limiting rod 17, the movable frame 3 can only slide linearly along the limiting rod 17, with the rotation of the second positive and negative threaded rod 15, the two groups of movable frames 3 will be relatively close, thereby preparing for clamping the mounting disc 5, when the movable frame 3 moves to the appropriate position, the mounting disc 5 is clamped by the clamping plate 4, the clamping plate 4 is inserted into the inner wall of the movable frame 3, and is fixed through the fixed plate 18, the first threaded rod 19 and the second turntable 20, if you need to replace the clamping plate 4 of different specifications or shapes to adapt to different shapes of the lifting appliance, you only need to rotate the second turntable 20, so that the first threaded rod 19 is rotated out of the inner wall of the movable frame 3, so that the clamping plate 4 can be easily taken out and replaced, in the process of unmanned helicopter lifting goods, the mounting disc 5 and the connecting structure below it play a key role in connection and support, the four connecting seats 6 on the outside of the mounting disc 5 are connected with the pull rod 7, the other end of the pull rod 7 is connected with the limiting frame 8, this design makes the limiting frame 8 can rotate flexibly to adapt to the shape and lifting posture of the goods, at the same time, the transmission mechanism 11 in the limiting frame 8 can adjust its length, by rotating the first turntable 113, the first positive and negative threaded rod 111 is rotated, because the sleeve 9 and the plug rod 10 are screwed with the first positive and negative threaded rod 111 respectively, and the plug rod 10 outside is matched with the inner wall of the sleeve 9, under the action of the first positive and negative threaded rod 111, the sleeve 9 and the plug rod 10 will slide along the inner wall of the limiting frame 8, realize relatively close or far away, so as to adjust the position of the sleeve 9 and the plug rod 10, ensure the stability of the lifting process, in addition, the shell 2 is connected with the bottom of the unmanned helicopter body 1 through the mounting block 21 and the fixing bolt, this kind of quick disassembly and assembly connection mode is convenient for the maintenance, repair and part replacement of the unmanned helicopter body 1, at the same time, it is also convenient to quickly adjust the configuration according to different task requirements, improve the use efficiency and flexibility of the unmanned helicopter body 1.

[0029] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0030] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A quick-assembly and disassembly unmanned helicopter, comprising an unmanned helicopter body (1), characterized in that, Also includes: The outer shell (2) is installed at the bottom of the unmanned helicopter body (1). Two sets of movable frames (3) are slidably connected to the inner wall of the outer shell (2). Clamping plates (4) are inserted into the inner wall of the movable frames (3). The mounting plate (5) is located below the outer shell (2). Four sets of connecting seats (6) are fixed on the outer side of the mounting plate (5). A pull rod (7) is rotatably connected to the inner wall of the connecting seat (6). The limiting frame (8) rotates at the end of the pull rod (7) away from the connecting seat (6). The inner wall of the limiting frame (8) is slidably connected with the sleeve (9) and the insertion rod (10), and the outer side of the insertion rod (10) fits into the inner wall of the sleeve (9). The limiting frame (8) is equipped with a transmission mechanism (11).

2. The quick-assembly and disassembly unmanned helicopter according to claim 1, characterized in that: The transmission mechanism (11) includes a first positive and negative threaded rod (111) that rotates on the inner wall of the limiting frame (8), and the outer side of the first positive and negative threaded rod (111) is threadedly connected to the inner wall of the sleeve (9) and the insert rod (10) respectively. A support block (112) is fixed on the inner wall of the limiting frame (8), and the inner wall of the support block (112) is rotatably connected to the outer side of the first positive and negative threaded rod (111). A first turntable (113) is fixed at one end of the first positive and negative threaded rod (111).

3. The quick-assembly and disassembly unmanned helicopter according to claim 1, characterized in that: The housing (2) is equipped with a motor (12), and a worm gear (13) is fixed to the output end of the motor (12). The end of the worm gear (13) away from the motor (12) is rotatably connected to the inner wall of the housing (2).

4. The quick-assembly and disassembly unmanned helicopter according to claim 3, characterized in that: The worm (13) is meshed with a worm wheel (14) on its outer side. A second threaded rod (15) with a horizontal orientation is fixed at the axis of the worm wheel (14), and the outer side of the second threaded rod (15) is threadedly connected to the inner wall of the movable frame (3).

5. The quick-assembly and disassembly unmanned helicopter according to claim 4, characterized in that: The inner wall of the outer shell (2) is fixed with two support plates (16), and the inner wall of the support plate (16) is rotatably connected to the outer side of the second positive and negative threaded rod (15). Two sets of limiting rods (17) are fixed on one side of the support plate (16), and the outer side of the limiting rod (17) is slidably connected to the inner wall of the movable frame (3).

6. The quick-assembly and disassembly unmanned helicopter according to claim 1, characterized in that: A fixing plate (18) is fixed to the outside of the clamping plate (4). Two sets of first threaded rods (19) are threadedly connected to the inner wall of the fixing plate (18). One end of the first threaded rod (19) is threadedly connected to the inner wall of the movable frame (3). The other end of the first threaded rod (19) is fixed to a second turntable (20).

7. The quick-assembly and disassembly unmanned helicopter according to claim 1, characterized in that: Four sets of mounting blocks (21) are fixed on the outside of the outer shell (2), and the top of the mounting blocks (21) is connected to the bottom of the unmanned helicopter body (1) by fixing bolts.

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