阅读说明：本技术 具有转运轮的无人机起落架 (Unmanned aerial vehicle undercarriage with transfer wheel ) 是由 周福亮 丁林 贾支鹏 于 2019-08-30 设计创作，主要内容包括：一种具有转运轮的无人机起落架包括支架、安装在支架上的两个转运轮、安装在支架上的控制器、机载电源、弹簧卡扣和遥控器。无人机着陆后,将两个转运轮分别通过弹簧卡扣安装在支架上,抬起无人机尾部,使转运轮着地支架悬空,并通过遥控器对控制器发送指令,调节两个转运轮的转速,使其前进、后退或转向。本发明具有转运轮的无人机起落架在无人机转运过程中无需人工搬运,节省工作人员劳动量的同时避免了搬运过程中造成无人机的损伤,电驱动的转运轮节省体力同时增加工作效率,固定轴通过弹簧卡扣与起落架锁紧,提高了转运过程中的可靠性。(unmanned aerial vehicle undercarriage with transfer wheels comprises a support, two transfer wheels arranged on the support, a controller arranged on the support, an onboard power supply, a spring buckle and a remote controller, wherein after the unmanned aerial vehicle lands, the two transfer wheels are respectively arranged on the support through the spring buckle, the tail part of the unmanned aerial vehicle is lifted, so that the transfer wheels land on the support and are suspended, and the remote controller sends an instruction to the controller to adjust the rotating speed of the two transfer wheels so as to enable the two transfer wheels to move forwards, backwards or steer.)

The unmanned aerial vehicle undercarriage with the transfer wheels comprises a support (1), two transfer wheels (2) installed on the support (1), a controller (3) installed on the support, an onboard power supply (4), a spring buckle (5) and a remote controller, wherein after the unmanned aerial vehicle lands, the two transfer wheels (2) are installed on the support (1) through the spring buckle (5) respectively, the tail of the unmanned aerial vehicle is lifted, the transfer wheels (2) are landed, the support (1) is suspended, the remote controller sends an instruction to the controller (3), the rotating speeds of the two transfer wheels are adjusted, and the unmanned aerial vehicle undercarriage is enabled to advance, retreat or turn.

2. The landing gear with a transfer wheel for unmanned aerial vehicles according to claim 1, wherein the support (1) is a skid-type support, which comprises two parallel ground tubes (101), the horizontal ends of the middle part of the ground tubes (101) are tilted upwards, and the ends are provided with spring clips (5).

3. The landing gear with the transfer wheel for the unmanned aerial vehicle as claimed in claim 1, wherein the support frame (1) further comprises two bridge-shaped support pipes (102), two ends of each support pipe (102) are fixedly connected with the grounding pipe (101), and an L-shaped handle (103) for facilitating the transfer of the unmanned aerial vehicle and a rib plate (104) for reinforcing are welded at the connection position of each support pipe and the grounding pipe.

4. The unmanned landing gear with a transfer wheel according to claim 1, wherein the transfer wheel (2) comprises a roller (201) and a fixed shaft (202) inserted in the center of the roller (201).

5. The landing gear with the transfer wheel for the unmanned aerial vehicle as claimed in claim 4, wherein the fixed shaft (202) is sleeved with a plurality of bearings (203), a bushing (204) is installed between adjacent bearings, a bearing sleeve (205) is sleeved outside the bearing, and the roller (201) is sleeved on the bearing sleeve and is in interference fit with the bearing sleeve.

6. The landing gear with the transfer wheel for the unmanned aerial vehicle as claimed in claim 4, wherein a motor stator (206) is mounted at the end of the fixed shaft (202), and a motor rotor (207) is sleeved outside the motor stator and is fixedly connected with the bearing sleeve (205), and the bearing sleeve is driven to rotate by the motor rotor.

7. The landing gear with a transfer wheel for unmanned aerial vehicles according to claim 4, wherein the fixed shaft (202) is provided with two retainer rings (201), the spring fastener (5) is clamped on the fixed shaft between the two retainer rings (210), and the transfer wheel (2) is mounted on the bracket (1) through the spring fastener (5).

8. The unmanned landing gear with a transfer wheel of claim 1, wherein the spring catch (5) comprises an upper jaw (501), a lower jaw (502), a shaft pin (503) connecting the upper jaw and the lower jaw, and a spring (504) sleeved on the shaft pin.

9. The unmanned aerial vehicle landing gear with a transfer wheel of claim 1, wherein the lower surface of the upper clamping piece (501) and the upper surface of the lower clamping piece (502) are both provided with semicircular grooves, the transfer wheel (2) is provided with a fixed shaft (202), and the fixed shaft (202) is clamped between the two semicircular grooves.

10. The landing gear of unmanned aerial vehicle with a transfer wheel according to claim 1, wherein an end of the spring (504) is inserted into a side surface of the upper clip (501), and another end is inserted into a side surface of the lower clip (502), so that the upper and lower clips are clamped under the elastic force of the spring, and a stopper (505) is installed between the upper clip (501) and the bracket (1), and the rotation of the upper clip (501) is limited by the stopper (505).

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of unmanned aerial vehicle equipment, in particular to unmanned aerial vehicle landing gears with transfer wheels.

[ background of the invention ]

The unmanned aerial vehicle is called an unmanned aerial vehicle for short, and is an unmanned aerial vehicle operated by utilizing radio remote control equipment and a self-contained program control device, wherein the unmanned aerial vehicle is provided with no cockpit, but is provided with equipment such as an autopilot, a program control device, a signal acquisition device and the like, and personnel on the ground, a naval vessel or a mother machine remote control station can track, position, remotely control, telemeter and digitally transmit the unmanned aerial vehicle through equipment such as radar and the like, and the unmanned aerial vehicle can take off like a common aircraft under radio remote control or launch and fly by using a booster rocket, and can also be thrown into the air by the mother machine.

It can be seen that providing landing gear for unmanned aerial vehicles that facilitate transportation by workers is a problem that needs to be addressed in the art.

[ summary of the invention ]

Aiming at the problems, the unmanned aerial vehicle landing gear with the transfer wheel does not need manual carrying in the unmanned aerial vehicle transferring process, the labor amount of workers is saved, meanwhile, the damage of the unmanned aerial vehicle in the transferring process is avoided, the electrically driven transfer wheel saves labor force, meanwhile, the working efficiency is increased, the fixed shaft is locked with the landing gear through the spring buckle, and the reliability in the transferring process is improved.

In order to solve the problems, the unmanned aerial vehicle undercarriage with the transfer wheels comprises a support, two transfer wheels arranged on the support, a controller arranged on the support, an onboard power supply, a spring buckle and a remote controller. After the unmanned aerial vehicle lands, install two transfer wheels on the support through the spring buckle respectively, lift up unmanned aerial vehicle afterbody, make the transfer wheel land the support unsettled to send the instruction to the controller through the remote controller, adjust the rotational speed of two transfer wheels, make it advance, retreat or turn to.

, the support is a skid-type support which comprises two parallel grounding tubes, the horizontal two ends of the middle part of each grounding tube are tilted upwards, and a spring buckle is arranged at the end.

, the support further comprises two bridge-shaped support pipes, two ends of each support pipe are fixedly connected with the ground pipe, and L-shaped handles convenient for carrying the unmanned aerial vehicle and rib plates playing a role in reinforcement are welded at the joints of the support pipes and the ground pipe.

, the transfer wheel includes a roller and a fixed shaft inserted in the center of the roller.

Step , the fixed shaft is sleeved with a plurality of bearings, a bushing is arranged between every two adjacent bearings, a bearing sleeve is sleeved outside each bearing, the roller is sleeved on each bearing sleeve, and the two bearings are in interference fit.

And , a motor stator and a motor rotor sleeved outside the motor stator are arranged at the tail end of the fixed shaft, and the motor rotor is fixedly connected with the bearing sleeve and drives the bearing sleeve to rotate through the motor rotor.

, two check rings are arranged on the fixed shaft, the spring buckle is clamped on the fixed shaft between the two check rings, and the transfer wheel is arranged on the bracket through the spring buckle.

, the spring lock catch comprises an upper clip, a lower clip, a shaft pin connecting the upper clip and the lower clip, and a spring sleeved on the shaft pin.

, semicircular grooves are formed in the lower surface of the upper clamping piece and the upper surface of the lower clamping piece, the transfer wheel is provided with a fixed shaft, and the fixed shaft is clamped between the two semicircular grooves.

, inserting the end of the spring into the side of the upper clip piece, inserting the end into the side of the lower clip piece, so that the upper and lower clip pieces are clamped under the elastic force of the spring, and installing a stop between the upper clip piece and the bracket, and limiting the rotation of the upper clip piece by the stop.

Furthermore, the unmanned aerial vehicle landing gear with the transfer wheel does not need manual carrying in the unmanned aerial vehicle transfer process, the damage to the unmanned aerial vehicle in the transfer process is avoided while the labor amount of workers is saved, the electrically driven transfer wheel saves physical force and increases working efficiency, and the fixed shaft is locked with the landing gear through the spring buckle, so that the reliability in the transfer process is improved.

[ description of the drawings ]

Figure 1 is a schematic diagram of the structure of the landing gear of the unmanned aerial vehicle with a transfer wheel of the present invention.

Fig. 2 is a schematic structural view of a transfer wheel in the landing gear of the unmanned aerial vehicle with the transfer wheel according to the invention.

Fig. 3 is an exploded view of a transfer wheel in the landing gear of an unmanned aerial vehicle having a transfer wheel of the present invention.

Fig. 4 is a top view of a transfer wheel in the landing gear of an unmanned aerial vehicle having a transfer wheel of the present invention.

Fig. 5 is a schematic structural diagram of a spring buckle in the landing gear of the unmanned aerial vehicle with the transfer wheel.

[ detailed description ] embodiments

The directional terms of the present invention, such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", etc., are only directions in the drawings, and are only used to explain and illustrate the present invention, but not to limit the scope of the present invention.

Referring to fig. 1, a schematic structural diagram of an unmanned aerial vehicle landing gear with transfer wheels according to the present invention is provided, which includes a support 1, two transfer wheels 2 mounted on the support 1, a controller 3 mounted on the support, an onboard power supply 4, a spring buckle 5, and a remote controller (not shown), after the unmanned aerial vehicle lands, the two transfer wheels 2 are mounted on the support 1 through the spring buckle 5, respectively, the tail of the unmanned aerial vehicle is lifted, the transfer wheels 2 are grounded, the support 1 is suspended, and the remote controller sends an instruction to the controller 3 to adjust the rotation speed of the two transfer wheels, so that the two transfer wheels advance, retreat, or turn, wherein the support 1 is a skid-type support, and includes two parallel ground pipes 101, the horizontal ends of the middle part of the ground pipes 101 are tilted upward, the spring buckle 5 is mounted at the end, the support 1 further includes two bridge-shaped support pipes 102, the two ends of the support pipes 102 are fixedly connected with the ground pipes 101, and a L-shaped handle 103 for facilitating the transportation of the unmanned aerial vehicle and a rib plate 104 for reinforcing the unmanned.

Referring to fig. 2 to 4, schematic structural diagrams of a transfer wheel 2 are shown, where the transfer wheel 2 includes a roller 201, a fixed shaft 202 inserted into a center of the roller 201, a plurality of bearings 203 sleeved on the fixed shaft, a bushing 204 installed between the two bearings for limiting, a bearing sleeve 205 sleeved on an outer surface of the bearing 203, a motor stator 206 sleeved on a tail end of the fixed shaft 202, a motor rotor 207 sleeved outside the motor stator, a pressing plate 208 installed on an end surface of the motor stator 206, and a locking bolt 209 penetrating through the pressing plate 208 and connected to the center of the fixed shaft. Wherein, two retainer rings 210 are arranged on the fixed shaft 202, the spring buckle 5 is clamped on the fixed shaft between the two retainer rings 210, and the transfer wheel 2 is arranged on the bracket 1 through the spring buckle 5. Wherein, the bearing sleeve 205 is fixedly connected with the motor rotor 207 through a bolt, so that the motor rotor drives the bearing sleeve 205 to rotate, the bearing sleeve 205 and the roller 201 are in interference fit, and the roller 201 is driven to rotate through the rotation of the bearing sleeve 205.

Referring to fig. 5, a schematic structural diagram of a spring lock catch 5 is shown, which includes an upper clip 501, a lower clip 502, a shaft pin 503 connecting the upper clip and the lower clip, and a spring 504 sleeved on the shaft pin, wherein semicircular grooves are formed on both the lower surface of the upper clip 501 and the upper surface of the lower clip 502, and a fixing shaft 202 is clamped between the two semicircular grooves, the shaft pin 503 penetrates through the upper clip and the lower clip to enable the upper clip to rotate around the shaft pin, an end of the spring 504 is inserted into a side surface of the upper clip 501, and an end is inserted into a side surface of the lower clip 502 to enable the upper clip and the lower clip to clamp under the elastic force of the spring, furthermore, the back surface of the lower clip is provided with a circular arc groove, the lower clip is mounted on a support 1 through the circular arc groove, a stop block 505 is mounted between the upper clip 501 and the support 1, after the fixing shaft 202 is clamped between the upper clip and the lower clip, the stop block 505 is placed between the support 501 and the rotation of the upper clip 501 is limited by the stop block 505.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment contains independent technical solutions, and such description of the description is only for clarity, and those skilled in the art should take the description as as a whole, and the technical solutions in the respective embodiments may be combined appropriately to form other embodiments that those skilled in the art can understand.