CN211175096U

CN211175096U - Unmanned aerial vehicle clutch

Info

Publication number: CN211175096U
Application number: CN201921217164.4U
Authority: CN
Inventors: 周福亮; 李涛; 迟鹏; 吴廷洋
Original assignee: Nanjing Guoqi Intelligent Equipment Co ltd; Nanjing Lijian Unmanned Plane Technology Co ltd
Current assignee: Nanjing Aerospace Guoqi Intelligent Equipment Co ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-08-04
Anticipated expiration: 2029-07-31

Abstract

The utility model provides an unmanned aerial vehicle clutch includes shell, gear box, centrifugal system, and the shell includes left head and right head, forms the cavity between two blocks of heads, and centrifugal system installs in the cavity. The centrifugal system comprises a driving part and a driven part, a driven wheel is sleeved on a centrifugal block, a motor drives a gear shaft sleeve to rotate, the centrifugal block is attached to the driven wheel under the action of centrifugal force, and a rotating shaft on the driven wheel is driven to rotate through friction force. The utility model discloses unmanned aerial vehicle clutch simple structure reduces the complete machine quality through the structure of simplifying centrifugal system, has guaranteed the reliability of clutch simultaneously, realizes the regulation of rotational speed critical value through the balancing weight of changing different qualities.

Description

Unmanned aerial vehicle clutch

[ technical field ] A method for producing a semiconductor device

The utility model relates to an unmanned aerial vehicle equipment field specifically is an unmanned aerial vehicle clutch.

[ background of the invention ]

Clutches are common components in mechanical transmissions, and allow the transmission to be disengaged or engaged at any time. The centrifugal clutch is composed of a driving part, a centrifugal body, a driven part and the like, wherein the centrifugal body is arranged on the driving part in a sliding mode, the driving part is driven by a prime motor to rotate and accelerate so as to throw the centrifugal body out in the radial direction, when the driving part reaches a specified angular speed, the thrown centrifugal body is tightly pressed with the inner wall of the driven part, and is forced to enter a motion state by friction force so as to transmit torque.

Therefore, the problem to be solved urgently in the field is to provide the unmanned aerial vehicle clutch which is simple in structure and light in weight.

[ Utility model ] content

To the above problem, the utility model discloses unmanned aerial vehicle clutch simple structure reduces the complete machine quality through the structure of simplifying centrifugal system, has guaranteed the reliability of clutch simultaneously, realizes the regulation of rotational speed critical value through the balancing weight of changing different masses.

In order to solve the problem, the utility model discloses the unmanned aerial vehicle clutch includes the shell of being connected with the unmanned aerial vehicle fuselage, the gear box of being connected with the shell, the centrifugal system of installation in the shell, the shell includes left head and right head, and two heads are connected through a plurality of bolts and nut and dismantlement, make to form the cavity between two heads, and centrifugal system installs in the cavity. Centrifugal system includes initiative portion and driven part, the initiative portion includes the bottom plate, installs at the gear shaft sleeve of bottom plate one side, two centrifugal pieces of installing at the bottom plate opposite side, with the spring that two centrifugal pieces end to end, driven part is including following the driving wheel and installing the pivot at driving wheel center, follows the driving wheel cover on the centrifugal piece, and motor drive gear shaft sleeve rotates, and centrifugal piece receives the centrifugal force effect and laminates from the driving wheel, and it is rotatory to drive the pivot from driving wheel through frictional force.

Furthermore, the centrifugal blocks are crescent, one end of each centrifugal block is rotatably connected with the bottom plate through a stud, and the outer surfaces of the centrifugal blocks protrude outwards to form friction surfaces.

Furthermore, the driven wheel is of a sleeve cup-shaped structure, is sleeved on the outer side of the centrifugal block and is provided with a gap with the centrifugal block.

Furthermore, the rotating shaft is inserted into the gear box and the inside of the gear box, and a bearing is arranged between the rotating shaft and the gear box.

Furthermore, a balancing weight is installed on the centrifugal block, the balancing weight is detachably connected with the centrifugal block, and a rotating speed critical value is adjusted according to the mass of the balancing weight.

Furthermore, right side head and gear box integrated into one piece, and still seted up a plurality of louvre on the terminal surface of left and right head, the louvre is favorable to alleviateing the quality of shell simultaneously.

Further, the welding of the below of left side head has the collar, installs the unmanned aerial vehicle clutch on the unmanned aerial vehicle fuselage through the collar.

Furthermore, the utility model discloses unmanned aerial vehicle clutch simple structure reduces the complete machine quality through the structure of simplifying centrifugal system, has guaranteed the reliability of clutch simultaneously, realizes the regulation of rotational speed critical value through the balancing weight of changing different qualities.

[ description of the drawings ]

Fig. 1 is the utility model discloses unmanned aerial vehicle clutch's structural schematic.

Figure 2 is the utility model discloses unmanned aerial vehicle clutch's cross-sectional view.

Fig. 3 is the utility model discloses the structure schematic diagram of initiative portion in the unmanned aerial vehicle clutch.

Fig. 4 is the utility model discloses the structure schematic diagram of initiative portion in the unmanned aerial vehicle clutch.

Fig. 5 is a front view of the active part in the clutch of the unmanned aerial vehicle.

[ 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 for explaining and explaining the present invention, but not for limiting the scope of the present invention.

Referring to fig. 1 and 2, the structure of the clutch of the unmanned aerial vehicle of the present invention is shown, which includes a housing 1 connected to the body of the unmanned aerial vehicle, a gear box 2 connected to the housing 1, and a centrifugal system 3 installed in the housing. The shell 1 comprises two circular seal heads, namely a left seal head 101 and a right seal head 102, the two seal heads are detachably connected through a plurality of bolts and nuts, a cavity is formed between the two seal heads, and the centrifugal system 3 is installed in the cavity. The through-hole that supplies motor shaft (not shown) to pass is seted up to the central authorities of left side head 101, and the welding of the below of left side head has collar 103, installs the unmanned aerial vehicle clutch on the unmanned aerial vehicle fuselage through collar 103. The right end enclosure 102 and the gear case 2 are integrally formed, a through hole is formed in the center of the right end face of the right end enclosure, a plurality of heat dissipation holes are formed in the end faces of the left end enclosure and the right end enclosure, and the heat dissipation holes are beneficial to reducing the mass of the shell 1.

Referring to fig. 2 to 5, there is shown a constitution of a centrifugal system 3 including a driving part 4 and a driven part 5. The driving part 4 comprises a circular bottom plate 401, a gear shaft sleeve 402 is installed on one side of the bottom plate 401, two crescent centrifugal blocks 403 are installed on the other side of the bottom plate 401, a balancing weight 404 installed on the centrifugal blocks, and a spring 405 connecting the two centrifugal blocks in a terminating manner. The two centrifugal blocks 403 are identical in structure and symmetrically distributed, one end of each centrifugal block is rotatably connected with the bottom plate 401 through a stud 406, the outer surface of each centrifugal block protrudes outwards to form a friction surface 407, and a motor shaft passes through a through hole in the housing 1 and then is connected to the gear shaft sleeve 402, and drives the bottom plate 401 to rotate along with the motor shaft. The balancing weight 404 is detachably connected with the centrifugal block 403 through a bolt, and the critical value of the rotating speed is adjusted by replacing balancing weights with different masses. Centrifugal mass 403 is forced by centrifugal force to rotate about stud 406 and stretch spring 405 when the rotational speed reaches a threshold value. The driven part 5 includes a driven wheel 501 and a rotating shaft 502 installed in the center of the driven wheel, the driven wheel 501 is a cup-shaped structure, and is sleeved outside the centrifugal block 403, and a gap is left between the driven wheel and the centrifugal block, the rotating shaft 502 penetrates into the gear box 2 and the inside of the gear box, and a bearing 201 is installed between the rotating shaft and the gear box 2. When the rotation speed reaches a certain value, the centrifugal block 403 is rotated around the stud 406 by centrifugal force and stretches the spring 405, after the centrifugal block rotates around the stud 406 to a certain angle, the friction surface 407 abuts against the driven wheel 501, the driven wheel and the rotating shaft are driven to rotate by friction force, and the rotating shaft drives a propeller (not shown) of the unmanned aerial vehicle to rotate through a gear in the gear box 2. The utility model discloses unmanned aerial vehicle clutch simple structure reduces the complete machine quality through the structure of simplifying centrifugal system, has guaranteed the reliability of clutch simultaneously, realizes the regulation of rotational speed critical value through the balancing weight of changing different qualities.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The unmanned aerial vehicle clutch is characterized by comprising a shell (1) connected with an unmanned aerial vehicle body, a gear box (2) connected with the shell (1) and a centrifugal system (3) installed in the shell, wherein the shell (1) comprises a left seal head (101) and a right seal head (102), the two seal heads are connected with each other through a plurality of bolts and nuts and disassembled to form a cavity between the two seal heads, the centrifugal system (3) is installed in the cavity, the centrifugal system (3) comprises a driving part (4) and a driven part (5), the driving part (4) comprises a bottom plate (401), a gear shaft sleeve (402) installed on one side of the bottom plate, two centrifugal blocks (403) installed on the other side of the bottom plate and a spring (405) connecting the two centrifugal blocks in a tail closing manner, the driven part (5) comprises a driven wheel (501) and a rotating shaft (502) installed in the center of the driven wheel, the driven wheel (501) is sleeved on the centrifugal block (403), the motor drives the gear shaft sleeve to rotate, the centrifugal block is attached to the driven wheel under the action of centrifugal force, and the rotating shaft on the driven wheel is driven to rotate through friction force.

2. The unmanned aerial vehicle clutch of claim 1, wherein the centrifugal blocks (403) are crescent shaped, one end of each centrifugal block is rotatably connected with the base plate (401) through a stud (406), and the outer surfaces of the centrifugal blocks protrude outwards to form friction surfaces (407).

3. The clutch of claim 1, wherein the driven wheel (501) is a cup-shaped structure, which is fitted over the centrifugal block (403) with a gap therebetween.

4. The drone clutch of claim 1, characterized in that the shaft (502) is inserted inside the gearbox (2) and inside it, and between the shaft and the gearbox (2) is mounted the bearing (201).

5. The clutch of claim 1, wherein the centrifugal block (403) is provided with a weight block (404), the weight block (404) is detachably connected with the centrifugal block, and the rotating speed threshold value is adjusted according to the weight of the weight block.

6. The unmanned aerial vehicle clutch of claim 1, wherein the right head (102) and the gear box (2) are integrally formed, and a plurality of heat dissipation holes are formed in the end faces of the left head and the right head, and are beneficial to reducing the mass of the housing (1).

7. The unmanned aerial vehicle clutch of claim 1, wherein a mounting ring (103) is welded below the left head (101), and the unmanned aerial vehicle clutch is mounted on the unmanned aerial vehicle body through the mounting ring.