阅读说明：本技术 一种基于北斗卫星无人机城市扬尘监测设备的防坠落机构 (Anti-falling mechanism based on Beidou satellite unmanned aerial vehicle city raise dust monitoring equipment ) 是由 吴有龙 杨忠 杨荣根 王莹莹 于 2019-10-30 设计创作，主要内容包括：本发明公开了一种基于北斗卫星无人机城市扬尘监测设备的防坠落机构,包括无人机机架,所述无人机机架底端两侧均设有支架,所述无人机机架上设有竖直方向上延伸的穿孔,且穿孔底端位置处通过螺栓固定有进风罩,且进风罩内壁顶端位置处通过螺栓固定有金属筒,所述金属筒外壁套设有弹簧件,且金属筒外壁套设有活动套,所述活动套顶端铰接有等距离分布的扇形块,所述扇形块边缘位置处铰接有支杆,且支杆一端与无人机机架顶端外壁铰接。本发明实现扇形块旋转展开,通过设置的微型气瓶和电磁阀作用下,可以将降落伞从活动套中吹出,在进风罩作用下,促进降落伞快速展开,有效的防护无人机,避免无人机快速坠落。(The invention discloses a falling prevention mechanism based on Beidou satellite unmanned aerial vehicle urban raise dust monitoring equipment, which comprises an unmanned aerial vehicle frame, wherein two sides of the bottom end of the unmanned aerial vehicle frame are respectively provided with a support, the unmanned aerial vehicle frame is provided with a perforation extending in the vertical direction, the bottom end of the perforation is fixedly provided with an air inlet cover through a bolt, the top end of the inner wall of the air inlet cover is fixedly provided with a metal cylinder through a bolt, the outer wall of the metal cylinder is sleeved with a spring part, the outer wall of the metal cylinder is sleeved with a movable sleeve, the top end of the movable sleeve is hinged with fan-shaped blocks distributed at equal intervals, the edge position of each fan-shaped block is hinged with a. The parachute can be blown out from the movable sleeve under the action of the arranged micro gas cylinder and the electromagnetic valve, the parachute is promoted to be rapidly unfolded under the action of the air inlet cover, the unmanned aerial vehicle is effectively protected, and the unmanned aerial vehicle is prevented from rapidly falling.)

1. The utility model provides a prevent mechanism of falling based on big dipper satellite unmanned aerial vehicle city raise dust monitoring facilities, includes unmanned aerial vehicle frame (1), its characterized in that, unmanned aerial vehicle frame (1) bottom both sides all are equipped with support (3), be equipped with the perforation that extends in the vertical direction on unmanned aerial vehicle frame (1), and perforation bottom position department has air inlet cover (2) through the bolt fastening, and air inlet cover (2) inner wall top position department has a metal section of thick bamboo (11) through the bolt fastening, metal section of thick bamboo (11) outer wall cover is equipped with spring part (10), and metal section of thick bamboo (11) outer wall cover is equipped with movable sleeve (5), the articulated fan-shaped block (6) that distribute equidistance in movable sleeve (5) top, fan-shaped block (6) border position department articulates there is branch (4), and branch (4) one end articulates with unmanned aerial vehicle frame (1) top outer wall, parachute (7) are filled in movable, and the bridle of the parachute (7) is clamped with the top end of the metal cylinder (11).

2. The anti-falling mechanism based on the Beidou satellite unmanned aerial vehicle urban fugitive dust monitoring equipment as claimed in claim 1, wherein a metal mesh bucket (16) is fixed at the bottom end position of the inner wall of the metal cylinder (11) through a bolt.

3. The anti-falling mechanism based on Beidou satellite unmanned aerial vehicle urban raise dust monitoring equipment is characterized in that the inner wall of the metal cylinder (11) is fixed with a cross-shaped mounting rack (9) through bolts, the outer wall of the bottom end of the cross-shaped mounting rack (9) is fixed with a hollow shaft motor (13) through bolts, and the output shaft of the hollow shaft motor (13) penetrates through the outer wall of the top end of the cross-shaped mounting rack (9) and is fixed with a rotary table (14) through bolts.

4. The anti-falling mechanism based on the Beidou satellite unmanned aerial vehicle urban fugitive dust monitoring equipment as claimed in claim 3, wherein pin rods (8) are hinged to both sides of the top end of the turntable (14), pin holes matched with the two pin rods (8) are formed in the inner walls of both sides of the metal cylinder (11), and pin grooves matched with the pin rods (8) are formed in both sides of the movable sleeve (5).

5. The anti-falling mechanism for the urban raise dust monitoring equipment based on the Beidou satellite unmanned aerial vehicle is characterized in that a miniature gas cylinder (12) is in threaded connection with the bottom end of an output shaft of the hollow shaft motor (13), and a solenoid valve (15) is in threaded connection with the top end of the output shaft of the hollow shaft motor (13).

Technical Field

The invention relates to the technical field of unmanned aerial vehicles, in particular to a falling prevention mechanism of a Beidou satellite unmanned aerial vehicle-based urban raise dust monitoring device.

Background

With the increase of population and the continuous development of industrial economic technology, the environmental pollution is increased, and the monitoring and control of some harmful substances such as PM2.5, PM10 and the like generated during the development of construction are increasingly delayed. The current environment monitoring mode has great limitations, such as the establishment of fixed monitoring points in buildings such as ground with low coverage, the use of satellite remote sensing in a large scale range with high technical requirements and long period, and the like. Unmanned aerial vehicles are also used in urban raise dust monitoring. Current unmanned aerial vehicle takes place to fall easily in the testing process, causes economic loss, so the mechanism of preventing falling based on big dipper satellite unmanned aerial vehicle city raise dust monitoring facilities is proposed at present.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a falling prevention mechanism of urban raise dust monitoring equipment based on a Beidou satellite unmanned aerial vehicle.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a prevent mechanism of falling based on big dipper satellite unmanned aerial vehicle city raise dust monitoring facilities, includes the unmanned aerial vehicle frame, unmanned aerial vehicle frame bottom both sides all are equipped with the support, be equipped with the perforation that extends in the vertical direction in the unmanned aerial vehicle frame, and perforation bottom position department has the air inlet cover through the bolt fastening, and air inlet cover inner wall top position department has a metal cylinder through the bolt fastening, metal cylinder outer wall cover is equipped with the spring part, and metal cylinder outer wall cover is equipped with the activity cover, the activity cover top articulates there is the sector that the equidistance distributes, sector border position department articulates there is branch, and branch one end is articulated with unmanned aerial vehicle frame top outer wall, the parachute has been filled out to the activity cover inner wall, and the band and the metal cylinder top joint.

Preferably, a metal mesh bucket is fixed at the bottom end of the inner wall of the metal cylinder through a bolt.

Preferably, the metal cylinder inner wall has cross mounting bracket through the bolt fastening, and cross mounting bracket bottom outer wall has the quill shaft motor through the bolt fastening, quill shaft motor output shaft passes cross mounting bracket top outer wall and has the carousel through the bolt fastening.

Preferably, the pin rods are hinged to two sides of the top end of the rotary table, pin holes matched with the two pin rods are formed in the inner walls of two sides of the metal cylinder, and pin grooves matched with the pin rods are formed in two sides of the movable sleeve.

Preferably, the bottom end of the output shaft of the hollow shaft motor is in threaded connection with a miniature gas cylinder, and the top end of the output shaft of the hollow shaft motor is in threaded connection with an electromagnetic valve.

The invention has the beneficial effects that:

through the spring part that sets up, when pin pole and cotter separation, the movable sleeve can move up under the spring part elastic action, combines the branch effect of setting, realizes the rotatory expansion of fan-shaped piece, through the miniature gas cylinder and the solenoid valve effect that set up under, can blow off the parachute from the movable sleeve, under the air inlet cover effect, promotes the parachute and expandes fast, and effectual protection unmanned aerial vehicle avoids unmanned aerial vehicle to fall fast.

Drawings

Fig. 1 is a schematic structural diagram of a fall prevention mechanism of a Beidou satellite unmanned aerial vehicle-based urban raise dust monitoring device, provided by the invention;

fig. 2 is a schematic view of a partial cross-sectional structure of a fall prevention mechanism of a Beidou satellite unmanned aerial vehicle-based urban raise dust monitoring device, according to the present invention;

fig. 3 is a schematic structural diagram of a falling prevention mechanism sector block of the urban raise dust monitoring equipment based on the Beidou satellite unmanned aerial vehicle.

In the figure: 1 unmanned aerial vehicle frame, 2 air inlet covers, 3 supports, 4 branch, 5 movable sleeves, 6 fan-shaped pieces, 7 parachutes, 8 pin poles, 9 cross mounting brackets, 10 spring parts, 11 metal cylinders, 12 miniature gas cylinders, 13 hollow shaft motors, 14 turntables, 15 solenoid valves, 16 metal net fill.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a prevent mechanism of falling based on big dipper satellite unmanned aerial vehicle city raise dust monitoring facilities, including unmanned aerial vehicle frame 1, 1 bottom both sides of unmanned aerial vehicle frame all are equipped with support 3, be equipped with the perforation of extending in the vertical direction in the unmanned aerial vehicle frame 1, and perforation bottom position department has air inlet cover 2 through the bolt fastening, and 2 inner wall top position departments of air inlet cover have a metal section of thick bamboo 11 through the bolt fastening, 11 outer wall covers of metal section of thick bamboo are equipped with spring part 10, and 11 outer wall covers of metal section of thick bamboo are equipped with movable sleeve 5, 5 tops of movable sleeve articulate there is the sector 6 of equidistance distribution, 6 border position departments of sector articulate have branch 4, and 4 one end of branch is articulated with 1 top outer wall of unmanned aerial vehicle frame, the 5 inner walls of movable sleeve are filled with parachute 7.

According to the invention, a metal mesh bucket 16 is fixed at the bottom end of the inner wall of a metal cylinder 11 through a bolt, a cross-shaped mounting frame 9 is fixed on the inner wall of the metal cylinder 11 through a bolt, a hollow shaft motor 13 is fixed on the outer wall of the bottom end of the cross-shaped mounting frame 9 through a bolt, a rotary table 14 is fixed on the outer wall of the top end of the cross-shaped mounting frame 9 through a bolt, pin rods 8 are hinged to two sides of the top end of the rotary table 14, pin holes matched with the two pin rods 8 are formed in the inner walls of two sides of the metal cylinder 11, pin grooves matched with the pin rods 8 are formed in two sides of a movable sleeve 5, a miniature gas cylinder 12 is screwed at the bottom end of.

The working principle is as follows: with unmanned aerial vehicle's rotor subassembly, and install in the unmanned aerial vehicle frame such as control module and battery module, in the unmanned aerial vehicle in-process that falls, work through control quill shaft motor 13, it is rotatory to drive carousel 14, thereby drive two pin 8 and remove, make pin 8 and cotter way separation, under the spring part 10 effect, make the movable sleeve 5 bounce from unmanned aerial vehicle frame 1, the branch 4 effect that the cooperation set up is down, make the rotatory expansion of sector 6, the work of simultaneous control solenoid valve 15, the gas release in miniature gas cylinder 12, blow off parachute 7 from movable sleeve 5, the air inlet cover 2 of setting, in unmanned aerial vehicle whereabouts process, supplementary air current is through metal cylinder 11, parachute 7 expandes with higher speed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.