阅读说明：本技术 一种无人机的脱扣式主挂架组件及专用脱扣母块 (Unmanned aerial vehicle's main hanger subassembly of dropout and special female piece of dropout ) 是由 崔海信 高飞 崔博 王琰 张燕卿 于 2019-12-04 设计创作，主要内容包括：本发明涉及一种无人机的脱扣式主挂架组件及专用脱扣母块。脱扣母块包括母块本体,母块本体上设有通/断电保持电磁组件、预压力顶出组件和液腔,通/断电保持电磁组件在断电时具有磁性,在通电后失去磁性,通/断电保持电磁组件的磁吸面朝向母块本体的下方；预压力顶出组件具有弹性,通过其上设置的顶出头施加顶出弹力,预压力顶出组件的顶出头朝向母块本体的下方；液腔上朝向所述母块本体的下方设有快插连接口,液腔的侧面或/和上方设有管道接口。主挂架组件包括挂架连接模块和脱扣母块,脱扣母块通过挂架连接模块与被连接件连接。本发明能够实现喷药吊具与植保无人机的快速插接与脱落,对无人机的整机安全形成了有力的安全保障。(The invention relates to a tripping type main hanger assembly of an unmanned aerial vehicle and a special tripping female block. The tripping female block comprises a female block body, wherein an on/off power keeping electromagnetic assembly, a pre-pressure ejection assembly and a liquid cavity are arranged on the female block body, the on/off power keeping electromagnetic assembly has magnetism when being powered off and loses magnetism after being powered on, and the on/off power keeping magnetic attraction surface of the electromagnetic assembly faces to the lower part of the female block body; the pre-pressure ejection assembly has elasticity, ejection elasticity is exerted through an ejection head arranged on the pre-pressure ejection assembly, and the ejection head of the pre-pressure ejection assembly faces the lower part of the female block body; a quick-plug connector is arranged below the mother block body on the liquid cavity, and a pipeline connector is arranged on the side surface or/and the upper side of the liquid cavity. The main hanger assembly comprises a hanger connecting module and a tripping female block, and the tripping female block is connected with the connected piece through the hanger connecting module. The invention can realize the rapid insertion and falling of the pesticide spraying lifting appliance and the plant protection unmanned aerial vehicle, and forms powerful safety guarantee for the safety of the whole unmanned aerial vehicle.)

1. A tripping female block is characterized by comprising a female block body, wherein an on/off maintaining electromagnetic assembly, a pre-pressure ejection assembly and a liquid cavity are arranged on the female block body,

the on/off power keeping electromagnetic assembly has magnetism when being powered on or off, loses magnetism after being powered off or on, and the magnetic attraction surface of the on/off power keeping electromagnetic assembly faces to the lower part of the female block body;

the pre-pressure ejection assembly is elastic, ejection elastic force is exerted through an ejection head arranged on the pre-pressure ejection assembly, and the ejection head of the pre-pressure ejection assembly faces to the lower part of the female block body;

the liquid cavity is provided with a quick-plug connector facing the lower part of the female block body, and a pipeline connector is arranged on the side surface or/and the upper part of the liquid cavity.

2. The trip block according to claim 1, wherein the fluid chamber is a chamber opened inside the block body or provided on an element connected to the block body.

3. The trip block according to claim 1 or 2, wherein the fluid chamber is a chamber having a circular or square or polygonal or oval cross-section or a chamber having an irregular cross-section.

4. The trip block according to claim 1 or 2, wherein the on/off holding solenoid assembly comprises an on/off holding solenoid and a circuit element that receives an electrical signal and transmits the electrical signal to the on/off holding solenoid, the on/off holding solenoid losing its magnetic properties upon receiving an off or on signal.

5. The trip female block according to claim 1 or 2, wherein the pre-pressure ejection assembly comprises a pre-pressure spring and a pre-pressure ejector rod, one end of the pre-pressure ejector rod abuts against the pre-pressure spring, and the other end of the pre-pressure ejector rod is provided with the ejection head.

6. A trip type main hanger assembly, wherein the main hanger assembly comprises a hanger connection module and the trip female block of any one of claims 1 to 5, the trip female block being connected to a connected member through the hanger connection module.

7. The trip type main rack assembly according to claim 6, wherein the rack connection module comprises a rack positioning fixing clamping sleeve, a mounting fixing lug plate and a rack height adjusting hanging plate, which are connected in sequence, the rack positioning fixing clamping sleeve is fixedly connected with a connected piece, and the rack height adjusting hanging plate is connected with the trip female block.

8. The trip type main rack assembly according to claim 6 or 7, wherein the rack positioning fixing jacket is fixedly connected with the mounting fixing ear plate, the mounting fixing ear plate is connected with the rack height adjusting hanging plate in an angle-adjustable manner, and a position adjusting gear is arranged on the rack height adjusting hanging plate.

9. The trip type main rack assembly according to claim 6 or 7, further comprising a fluid inlet hose, one end of the fluid inlet hose is connected with the fluid cavity of the quick-insertion type trip female block, and the other end of the fluid inlet hose is connected with a fluid storage chamber or a fluid pump.

10. The trip type main rack assembly according to claim 6 or 7, wherein the main rack assembly comprises a group of the quick-insertion type trip female blocks and a corresponding group of the rack connecting modules, and the female blocks of the quick-insertion type trip female blocks are connected through a connecting rod.

Technical Field

The invention relates to the technical field of agricultural aerial pesticide spraying lifting appliances, in particular to a tripping type main hanger assembly of an unmanned aerial vehicle and a special tripping female block.

Background

Because the labor cost of rural areas in China rises and most of the culturable land is fragmented and distributed, the plant protection unmanned aerial vehicle with certain flexibility and strong regional adaptability starts to be popularized and used on a large scale in recent years, however, in the operation process of the unmanned aerial vehicle, fog drop drifting is serious due to the influence of a rotor wing wind field and a natural wind field, and particularly when herbicide is used, the large-area phytotoxicity of different adjacent crop plots is caused, so that the comprehensive popularization and use of the plant protection unmanned aerial vehicle are limited. Statistics show that aerial sprays can cause 50% -75% of the droplets of the liquid medicine to drift and fail to reach the target area, while ground sprays are only 10% -35%.

The flight height of the plant protection unmanned aerial vehicle is an important factor influencing the fog drop drifting degree of a rotor wind field and a natural wind field, but the problem of fog drop drifting in the spraying operation process cannot be effectively solved by adjusting the flight height of the plant protection unmanned aerial vehicle, and when the unmanned aerial vehicle flies higher, the fog drop drifting can be obviously caused by the turbulent wind field formed by the natural wind field and the rotor, and the deposit adhesion in a target area cannot be effectively realized; although can weaken the influence of natural wind field when unmanned aerial vehicle flight is lower, its self rotor turbulent flow wind field can cause the violent swing of crop canopy, and the droplet can not effectively adhere to and can take place the drift, and low flight height excessively can cause unmanned aerial vehicle to meet to hinder the crash moreover, causes the unnecessary loss.

Therefore, it is necessary to provide a new solution to one or more problems of overall loss or droplet drift caused by improper flying height and spraying setting of the unmanned aerial vehicle.

Disclosure of Invention

In view of this, the present invention aims to provide a technical solution that can solve one or more problems of complete machine loss or droplet drifting and the like of an aerial plant protection unmanned aerial vehicle due to improper flying height and spraying setting.

Firstly, the invention provides a quick-inserting type tripping female block, which comprises a female block body, wherein an on/off power keeping electromagnetic assembly, a pre-pressure ejection assembly and a liquid cavity are arranged on the female block body,

the on/off power keeping electromagnetic assembly has magnetism when being powered on or off, loses magnetism after being powered off or on, and the magnetic attraction surface of the on/off power keeping electromagnetic assembly faces to the lower part of the female block body;

the pre-pressure ejection assembly is elastic, ejection elastic force is exerted through an ejection head arranged on the pre-pressure ejection assembly, and the ejection head of the pre-pressure ejection assembly faces to the lower part of the female block body;

the liquid cavity is provided with a quick-plug connector facing the lower part of the female block body, and a pipeline connector is arranged on the side surface or/and the upper part of the liquid cavity.

The quick-inserting type tripping master block is connected with the pesticide spraying lifting appliance, the electromagnetic assembly is kept to be connected with the pesticide spraying lifting appliance through the on/off state by virtue of magnetism, the electromagnetic assembly is kept to lose magnetism after the on/off state is finished or the on/off state is finished, and the pesticide spraying lifting appliance is ejected by virtue of the pre-pressure ejection assembly, so that the quick-inserting type tripping master block can be quickly inserted and disconnected with the pesticide spraying lifting appliance.

The on/off holding electromagnetic assembly of the present invention may be magnetic when energized and lose magnetism when de-energized, or conversely magnetic when de-energized and lose magnetism when energized.

According to an embodiment of the invention, the liquid chamber is a chamber opening inside the female block body or a chamber provided on an element connected to the female block body.

The liquid cavity is a cavity with a circular or square or polygonal or oval cross section, or the liquid cavity is a cavity with an irregular cross section.

According to one embodiment of the invention, the on/off holding solenoid assembly comprises an on/off holding solenoid and a circuit element that receives and transmits an electrical signal to the on/off holding solenoid, the on/off holding solenoid losing its magnetic properties upon receiving an off or on signal.

According to one embodiment of the invention, the pre-pressure ejection assembly comprises a pre-pressure spring and a pre-pressure ejector rod, one end of the pre-pressure ejector rod abuts against the pre-pressure spring, and the other end of the pre-pressure ejector rod is provided with the ejection head.

The invention also provides a quick-insertion type tripping main hanger assembly, which comprises a hanger connecting module and the quick-insertion type tripping female block, wherein the quick-insertion type tripping female block is connected with a connected piece through the hanger connecting module.

According to one embodiment of the invention, the hanger connecting module comprises a hanger positioning fixing jacket, a mounting fixing lug plate and a hanger height adjusting hanging plate, the group of components are connected in sequence, the hanger positioning fixing jacket is fixedly connected with a connected component, and the hanger height adjusting hanging plate is connected with the quick-insertion type tripping female block.

According to one embodiment of the invention, the rack positioning fixing jacket is fixedly connected with the mounting fixing ear plate, the mounting fixing ear plate is connected with the rack height adjusting hanging plate in an angle-adjustable manner, and the rack height adjusting hanging plate is provided with a position adjusting stop.

According to an embodiment of the invention, the main hanger assembly further comprises a liquid inlet hose, one end of the liquid inlet hose is connected with the liquid cavity of the quick-insertion type tripping female block, and the other end of the liquid inlet hose is connected with the liquid storage chamber.

According to an embodiment of the invention, the main hanger assembly comprises a group of quick-insertion type tripping female blocks and a corresponding group of hanger connecting modules, and the female block bodies of the quick-insertion type tripping female blocks are connected through connecting rods.

The quick-insertion type tripping main hanger assembly can realize the hanging and falling of a pesticide spraying hanger assembly, and the realization mode is as follows: when spouting medicine hoist subassembly installation, the power-on/off keeps the electro-magnet not circular telegram or circular telegram, takes the strong magnetism, at this moment will spout the lower surface that iron sucking disc, the quick-inserting pipe joint in the medicine hoist subassembly pressed the female piece of dropout, and under the effect of magnetic attraction force, the quick-inserting joint inserts the liquid intracavity of the female piece of dropout, realizes the liquid circuit and connects to keep laminating connection state under the effect of magnetic attraction of dish. When spouting medicine hoist subassembly meets hindering in the operation, control system gives the signal and makes the break-make and keep electro-magnet circular telegram or outage, and the magnetic attraction of magnetic chuck disappears, and integrated magnetic chuck, quick connector spout the medicine hoist and bounce off under the spring action of precompression ejector pin, make quick connector extract and the liquid chamber of dropout mother's piece, spout medicine hoist subassembly and drop to steerable plant protection unmanned aerial vehicle liquid pump is closed simultaneously. So, just make probably meeting spraying medicine hoist and unmanned aerial vehicle separation that hinders, ensured that the unmanned aerial vehicle fuselage is not influenced.

In a word, the quick-insertion type tripping main hanger assembly can realize the hanging and the automatic falling of the pesticide spraying hanger assembly, so that the pesticide spraying hanger assembly of the plant protection unmanned aerial vehicle is designed into an active tripping structure, and the pesticide spraying hanger assembly can automatically fall off when the unmanned aerial vehicle is in a blockage situation during the flight of the unmanned aerial vehicle, thereby ensuring the safety of the unmanned aerial vehicle.

Drawings

Fig. 1 is an enlarged cross-sectional view (where a magnetic element and a quick connector are connected) of the tripping female block and a part I of a connector in accordance with an embodiment of the present invention shown in fig. 3;

FIG. 2 is a schematic view of a head-up view of a trip primary hanger assembly in accordance with an embodiment of the present invention;

fig. 3 is a schematic view of a connecting structure of a trip type main hanger assembly and an unmanned aerial vehicle undercarriage supporting rod according to an embodiment of the invention; a

FIG. 4a is a schematic top view of a main hanger assembly according to an embodiment of the present invention;

FIG. 4b is a schematic bottom view of a trip type main hanger assembly according to an embodiment of the present invention;

FIG. 5a is a left side view of the right half of the main hanger assembly of FIG. 2 in accordance with the present invention;

FIG. 5b is a left side view of the left half of the trip type main hanger assembly of FIG. 2 in accordance with one embodiment of the present invention; and

FIG. 6 is a flow chart of a method of use according to an embodiment of the present invention;

the reference numbers illustrate:

a tripping female block, A1 female block body, 17 on/off power keeping electromagnetic assembly, 171 on/off power keeping electromagnet, A11 prepressing ejection assembly, prepressing spring 21, prepressing ejector rod 22, 63 liquid cavity, hanger connecting module B, 1 hanger positioning fixing jacket, 4 mounting fixing ear plate, 5 hanger height adjusting hanging plate, liquid inlet hose 9, connecting rod 14, joint 10, iron sucker 18, 25 integrated mounting plate, 26 quick connector;

w2 landing gear support bar.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the objects, features and advantages of the invention can be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the present invention, but are merely intended to illustrate the spirit of the technical solution of the present invention.

As shown in fig. 1, the present invention provides a trip female block a, which includes a female block body a1, and an on/off holding electromagnetic assembly 17, a pre-pressure ejection assembly a11, and a liquid chamber 63 are disposed on the female block body a 1. The lower part of the tripping master block A can be connected with other elements, such as a spraying hanger component, through magnetic force.

The positional relationship of the on/off maintaining solenoid assembly 17, pre-pressure ejector assembly a11, and chamber 63 is not particularly limited and may be arranged as shown in fig. 4b or otherwise.

The on/off keeping electromagnetic assembly 17 is magnetic when powered off or powered on, and loses magnetism after powered on or powered off, and the magnetic attraction surface of the on/off keeping electromagnetic assembly faces the lower part of the female block body.

The pre-pressure ejection assembly A11 has elasticity, and ejection elasticity is exerted by an ejection head arranged on the pre-pressure ejection assembly A11, and the ejection head of the pre-pressure ejection assembly faces to the lower part of the female block body.

The liquid cavity is provided with a quick-plug connector facing the lower part of the female block body, and a pipeline connector is arranged on the side surface or/and the upper part of the liquid cavity. The liquid chamber is connected to the mode that medicine hoist's hydraulic pressure pipeline accessible was inserted soon, and the liquid chamber passes through the pipeline interface again and is connected with liquid storage room like the liquid medicine storage room or the liquid pump on the unmanned aerial vehicle.

The invention can be connected with other lifting appliances such as a spraying lifting appliance through the tripping female block, the electromagnetic assembly is kept to be connected with the lifting appliance through magnetism when the power is on or off, the magnetism of the electromagnetic assembly is kept to be lost when the power is on or off, and the lifting appliance is ejected by the pre-pressure ejection assembly, so that the tripping female block can be quickly connected and disconnected with the lifting appliance such as the spraying lifting appliance.

According to an embodiment of the invention, the liquid chamber is a chamber opening inside the female block body or a chamber provided on an element connected to the female block body.

As shown in fig. 1, the liquid chamber 63 is a chamber opened inside the female block a 1.

The liquid cavity 63 is a cavity with a circular or square or polygonal or oval cross section, or the liquid cavity is a cavity with an irregular cross section.

Preferably, the fluid chamber 63 is a counterbored chamber that is circular in cross-section.

According to one embodiment of the present invention, the on/off holding electromagnet assembly 17 includes an on/off holding electromagnet 171 and a circuit element (not shown in the drawings) that receives an electrical signal and transmits the electrical signal to the on/off holding electromagnet 171, and the on/off holding electromagnet 171 loses its magnetism upon receiving the on or off signal.

The circuit elements can be integrated on the mother block body by adopting the prior art, which is a matter of knowledge in the field and is not described herein again.

The magnetic design is based on the drug spraying lifting appliance which can firmly suck the lower part.

According to one embodiment of the present invention, the pre-pressure ejection assembly a11 includes a pre-pressure spring 21 and a pre-pressure ejector rod 22, one end of the pre-pressure ejector rod 22 abuts against the pre-pressure spring 21, and the other end of the pre-pressure ejector rod 22 is provided with the ejection head.

According to an embodiment of the present invention, a cavity may be provided in the female block body a1 to accommodate the pre-pressure ejection assembly a 11. One end of the pre-pressure spring 21 may abut on the upper side of the chamber, and the pre-pressure jack 22 may be placed below the pre-pressure spring 21. The lifting appliance magnetically connected with the on/off keeping electromagnetic assembly 17 applies a pressing force to the pre-pressure ejection assembly A11, and when the magnetism of the on/off keeping electromagnetic assembly 17 disappears, the pre-pressure ejection assembly A11 converts the pre-pressure into an ejection force to be applied to the lifting appliance, so that the lifting appliance can be separated from the unmanned aerial vehicle connected above the tripping master block better.

Of course, the pre-stressing spring 21 can also be fixed to the female body at one end in other ways.

As shown in fig. 3, the present invention further provides a quick-plugging type tripping main hanger assembly, wherein the main hanger assembly includes a hanger connecting module B and the tripping female block a, and the tripping female block is connected to a connected component through the hanger connecting module B. According to one embodiment of the invention, the connected piece may be a drone.

The rack connecting module B can be different according to different connected pieces and can be realized by adopting any conventional connecting structure.

As shown in fig. 2, according to an embodiment of the present invention, the hanger connecting module B includes a hanger positioning fixing jacket 1, a mounting fixing lug 4 and a hanger height adjusting hanging plate 5, which are connected in sequence, the hanger positioning fixing jacket 1 is fixedly connected to a connected member, and the hanger height adjusting hanging plate 5 is connected to the tripping female block a.

The design mode of the hanger connecting module B can be designed for the structure of the landing gear supporting rod W2 of the unmanned aerial vehicle, and is shown in fig. 3.

As shown in fig. 2, according to an embodiment of the present invention, the rack positioning fixing clamping sleeve 1 is fixedly connected to the mounting fixing ear plate 4, and the mounting fixing ear plate 4 is connected to the rack height adjusting hanging plate 5 in an angle adjustable manner. The fixed sleeve that can be equipped with on pressing from both sides 1 of stores pylon location to with unmanned aerial vehicle's undercarriage bracing piece cooperation. The number and the arrangement mode of the sleeves can be set according to actual conditions.

As shown in fig. 4a, one side of the mounting and fixing ear plate 4 can be connected with the positioning and fixing jacket 1 through screws.

As shown in fig. 5a, according to an embodiment of the present invention, the other end of the installation fixing lug plate 4 may be connected with the height adjustment hanging plate 5 by a bolt. The angle can be adjusted according to actual needs by installing the fixed ear plate 4 and the height adjusting hanging plate 5. When the angles of the two pieces are proper, the two pieces are fixed and positioned by bolts.

When the tripping female block is connected with the installation fixing ear plate 4, the height adjustment hanging plates 5 and the like, the number of the height adjustment hanging plates 5 can be set according to specific conditions, and as shown in fig. 5a and 5b, each tripping female block is connected with the installation fixing ear plate 4 through two height adjustment hanging plates 5.

According to an embodiment of the present invention, as shown in fig. 2, the other end of the mounting and fixing ear plate 4 can be pivotally connected to the height adjusting hanging plate 5, the angle between the mounting and fixing ear plate 4 and the height adjusting hanging plate 5 can be adjusted by itself according to the gravity of the object to be hung therebelow, and the mounting and fixing ear plate 4 and the height adjusting hanging plate 5 are rotatably connected.

The hanging rack height adjusting hanging plate 5 can be provided with a position adjusting gear.

According to an embodiment of the invention, as shown in fig. 2, fastening holes at different positions are formed in the hanging rack height adjusting plate 5, and the distance between the tripping female block and the unmanned aerial vehicle boom above the tripping female block can be adjusted within a certain range according to the selected positions of the fastening holes. Of course, the position adjustment can also be realized in other manners, such as a telescopic rod type structure and the like.

As shown in fig. 3, according to an embodiment of the present invention, the main cradle assembly may further include a liquid inlet hose 9, one end of the liquid inlet hose 9 is connected to the liquid cavity 63 of the quick-insertion type trip female block a, and the other end of the liquid inlet hose is connected to a liquid storage chamber or a liquid pump on the drone. The number and connection mode of the liquid inlet hoses 9 can be flexibly connected according to the situation.

The liquid inlet hose 9 enables the pipeline connection mode to be more flexible. Of course, the liquid cavity 63 of the tripping master block a can also be connected with a liquid medicine storage chamber or a liquid pump on the unmanned aerial vehicle in other pipeline connection modes.

As shown in fig. 2, 3, 4a and 4B, according to an embodiment of the present invention, the main hanger assembly includes a group of the quick-plugging type tripping female block a and a corresponding group of the hanger connecting modules B, and the female block bodies of the tripping female block can be connected by a connecting rod. The design mode can reduce the structure and mechanical parameters of the single quick-insertion tripping female block, and can also ensure that the balance and the stability of the whole structure are better.

Preferably, according to an embodiment of the present invention, as shown in fig. 2, 3, 4a, and 4B, the main rack assembly includes two sets of the tripping female blocks a, and correspondingly, the rack connecting modules B are also two sets of the rack connecting modules B.

The main tripping hanger component can realize the hanging and the dropping of the pesticide spraying hanger component, and the realization mode is as follows: when spouting medicine hoist subassembly installation, the power-on/off keeps the electro-magnet not circular telegram or circular telegram, takes strong magnetism, at this moment will spout magnetic chuck, the quick connector among the medicine hoist subassembly and press to the lower surface of the female piece of dropout, under the effect of magnetic attraction force, the quick connector inserts the liquid intracavity of the female piece of dropout, realizes the liquid circuit and connects to keep laminating connection state under the effect of magnetic chuck's suction. When spouting medicine hoist subassembly meets hindering in the operation, control system gives the signal and makes the break-make and keep electro-magnet circular telegram or outage, and the magnetic attraction of magnetic chuck disappears, and integrated iron sucking disc, quick intubate connect spout the medicine hoist and bounce off under the spring action of precompression ejector pin, make quick connector extract the liquid chamber of dropout mother's piece, spout medicine hoist subassembly and drop to steerable plant protection unmanned aerial vehicle liquid pump is closed simultaneously. So, just make probably meeting spraying medicine hoist and unmanned aerial vehicle separation that hinders, ensured that the unmanned aerial vehicle fuselage is not influenced.

Of course, the tripping master block and the tripping master rack assembly provided by the invention can be applied to different occasions or fields according to actual needs, and are not limited to the field of unmanned aerial vehicle pesticide application provided by the invention, and the embodiment of the invention is only an example.