CN210653667U

CN210653667U - Unmanned aerial vehicle sequence starting drive

Info

Publication number: CN210653667U
Application number: CN201921144617.5U
Authority: CN
Inventors: 李超
Original assignee: Grapefruit Aviation Intelligent Technology (nanjing) Co Ltd
Current assignee: Grapefruit Aviation Intelligent Technology (nanjing) Co Ltd
Priority date: 2019-07-20
Filing date: 2019-07-20
Publication date: 2020-06-02
Anticipated expiration: 2029-07-20

Abstract

The utility model relates to an unmanned aerial vehicle sequence starting drive, its technical scheme main points are, including rotating the safety cover that sets up on operating panel, the safety cover is the U-shaped setting and covers start button, and the last elastic component that keeps in start button top of drive safety cover that is equipped with of operating panel, the safety cover is connected with the steel wire and acts as go-between, and the steel wire other end of acting as go-between links to each other with the relief pressure valve, and when start button rotated was kept away from to the safety cover, the relief pressure valve was opened. When a user wants to press the starting button, the protective cover must be pulled down firstly to expose the starting button, the steel wire pull wire is pulled due to the rotation of the protective cover, the pressure reducing valve is opened due to the pulling force of the steel wire pull wire, and the action of pressing the starting button by the user is carried out under the condition that the pressure reducing valve is opened, so that the situation that the resistance of the starting motor and the fluted disc is overlarge during starting and the damage is caused by overload starting because the user forgets to open the pressure reducing valve firstly and then presses the starting button is ensured.

Description

Unmanned aerial vehicle sequence starting drive

Technical Field

The utility model belongs to the technical field of the unmanned air vehicle technique and specifically relates to an unmanned aerial vehicle sequence starting drive is related to.

Background

The unmanned plane is called unmanned plane for short, and is an unmanned plane operated by radio remote control equipment and a self-contained program control device. The machine has no cockpit, but is provided with an automatic pilot, a program control device and other equipment. Along with the development of science and technology, unmanned aerial vehicle application among the prior art is also becoming wide gradually, for example transport the express delivery, shoot the film and spray insecticide etc..

The invention patent with publication number CN107985602A provides a solar energy unmanned aerial vehicle for spraying pesticides, which comprises an empennage, an upper rotary wing, a solar cell panel, an adjustable spray head, a pesticide spraying rod, a pesticide box, a bottom support and an unmanned aerial vehicle frame, wherein the adjustable spray head is arranged, so that the solar energy unmanned aerial vehicle for spraying pesticides can adjust the pesticide spraying amount, the operation is convenient, and the practicability is high.

When the engine is used, the normal operation sequence is that a pressure reducing valve on the engine is opened firstly to reduce the compression ratio of the engine; and then the control button on the operation panel is pressed to start the engine, but in the actual operation process, due to negligence or inexperience of an operator, the operator often forgets to open the pressure reducing valve first, so that the resistance is overlarge when the engine is started, and the starting motor and the fluted disc of the engine are damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an unmanned aerial vehicle sequence starting drive can ensure before opening the engine, opens the relief pressure valve earlier to guarantee the operation sequence, reduce starter motor and fluted disc wearing and tearing.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides an unmanned aerial vehicle sequence starting drive, is including rotating the safety cover that sets up on operating panel, the safety cover is the U-shaped setting and covers the start button, the last elastic component that is equipped with the drive safety cover and keeps in the start button top of operating panel, the safety cover is connected with the steel wire and acts as go-between, the steel wire is acted as go-between the other end and is linked to each other with the relief pressure valve, when the start button rotates was kept away from to the safety cover, the steel wire is acted as.

By adopting the technical scheme, when a user wants to press the starting button, the protective cover must be pulled open firstly to expose the starting button, the steel wire pull wire is pulled due to the rotation of the protective cover, the pressure reducing valve is opened due to the pulling force of the steel wire pull wire, and the action of pressing the starting button by the user is implemented under the condition that the pressure reducing valve is opened, so that the situation that the resistance is overlarge when the starting motor and the fluted disc are started to cause overload starting damage because the user forgets to open the pressure reducing valve firstly and then press the starting button is avoided.

The utility model discloses further set up to: thereby rotate on the relief pressure valve and be connected with the rocking arm that is used for pressing the case of relief pressure valve and opens the relief pressure valve, the one end and the rocking arm fixed connection that the safety cover was kept away from to the steel wire is acted as go-between, when the safety cover rotated, the steel wire is acted as go-between and is pulled the rocking arm and rotate and press the relief pressure valve.

Through adopting above-mentioned technical scheme, when the steel wire acted as go-between and moved towards the safety cover along the steel wire direction of acting as go-between, the steel wire acted as go-between and stimulates the rocking arm for the rocking arm is with the case butt of relief pressure valve, and pushes down the case of relief pressure valve, thereby starts the relief pressure valve. This ensures that the pressure relief valve can be automatically activated when the protective cover is rotated open.

The utility model discloses further set up to: the protective cover is rotatably arranged on the fixed plate, and a guide hole for the steel wire to pass through is formed in the fixed plate.

By adopting the technical scheme, the steel wire stay wire can only move under the guidance of the guide hole, the constant tension action direction of the steel wire stay wire is ensured, and the steel wire stay wire can start the pressure reducing valve.

The utility model discloses further set up to: the safety cover is including the curb plate that the symmetry set up and set up the baffle between the board of both sides, two be equipped with the pivot of being connected with the fixed plate rotation between the curb plate, keep away from pivot one end on the curb plate and be equipped with the extension board with the fixed plate butt.

Through adopting above-mentioned technical scheme, only remain like this to the necessary baffle and curb plate and the safety cover of protecting usefulness of start button be used for with fixed plate swivelling joint's part, can effectively alleviate the weight of safety cover, avoid the safety cover to increase this unmanned aerial vehicle's flight load, influence unmanned aerial vehicle but during operation. Meanwhile, the protective cover is arranged on the fixing plate instead of the control panel, so that the protective cover can be replaced conveniently under the condition that the control panel is not detached, and the protective cover is more convenient to mount and detach.

The utility model discloses further set up to: the fixed plate is provided with a containing groove below the starting button, the side plates are rotatably connected with the containing groove, a fixing rod is arranged above the rotating shaft and parallel to the rotating shaft between the side plates, the elastic piece is an extension spring, one end of the extension spring is fixed with the fixing rod, and the other end of the extension spring is fixed with the containing groove.

Through adopting above-mentioned technical scheme, set up the dead lever alone and set up the direct point of application of force of extension spring on dead lever and holding tank, can select less extension spring under the circumstances of guaranteeing that drive baffle covers start button, reduce whole weight, and it is effectual to convolute to reset, and elasticity effort is concentrated.

The utility model discloses further set up to: and the pressure reducing valve is provided with a pressure spring for driving the rocker arm to reset.

By adopting the technical scheme, the rocker arm needs to overcome the elasticity of the pressure spring when rotating, and when the protective cover is loosened, the pressure spring can also drive the rocker arm to reset, so that the rocker arm is prevented from pressing the valve core of the pressure reducing valve all the time, and the pressure reducing valve is prevented from being repeatedly started to influence the normal work of an engine.

The utility model discloses further set up to: the dead lever both ends face with correspond the curb plate laminating, the both ends of dead lever are followed the dead lever axis direction and are slided and are equipped with the pin rod, be equipped with the outside gliding spring of drive pin rod towards the dead lever in the dead lever, be equipped with on the curb plate with pin rod complex pinhole.

Through adopting above-mentioned technical scheme, during the use, correspond corresponding pinhole with the pin pole, loosen the pin pole, through the fixed of pin pole, the both ends that can process the dead lever are fixed on the curb plate that corresponds, realize the fixed connection of dead lever and curb plate, when dismantling, stir the shifting block towards the axis of dead lever and can separate pin pole and pinhole, separate dead lever and curb plate.

The utility model discloses further set up to: the outer peripheral surface of the pin rod is fixed with a shifting block, the shifting block extends out of the fixed rod, and a sliding groove for the shifting block to slide is formed in the fixed rod along the length direction of the fixed rod.

By adopting the technical scheme, the shifting block is arranged, so that the operating personnel can conveniently operate the sliding of the pin rod, and the sliding of the driving pin rod is convenient.

The utility model discloses further set up to: the side wall of the containing groove is provided with an arc-shaped groove by taking the rotating axis of the side plate as the circle center, the side plate is provided with a limiting jackscrew, and the limiting jackscrew is arranged in the arc-shaped groove in a sliding manner.

Through adopting above-mentioned technical scheme, through setting up spacing jackscrew and arc wall, spacing jackscrew can only slide in the arc wall, can realize curb plate turned angle's restriction like this, and then avoids the extension spring by overstretching, prolongs the life of extension spring.

To sum up, the utility model discloses a beneficial technological effect does:

1. the pressure reducing valve is ensured to be started before the engine is started, so that the operation is convenient;

2. the protective cover is light in weight and convenient to operate, not only is the production cost reduced, but also the operation steps are not increased;

3. most of the inside of the device adopts a sheet metal structure, so that the device is easy to process and low in cost.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the installation of the rocker arm of the present invention.

Fig. 3 is a schematic view of the opening of the protective cover of the present invention.

Fig. 4 is a schematic view of the closure of the protective cover of the present invention.

Fig. 5 is a cross-sectional view of the fixing rod of the present invention.

In the figure, 1, a control panel; 11. a start button; 12. a pressure reducing valve; 121. a valve core; 2. a protective cover; 21. a side plate; 211. an extension plate; 212. a pin hole; 22. a baffle plate; 3. a fixing plate; 31. accommodating grooves; 311. a guide hole; 32. an arc-shaped slot; 4. a tension spring; 5. fixing the rod; 51. a pin rod; 511. shifting blocks; 52. a spring; 6. a rotating shaft; 7. a steel wire drawing wire; 8. a rocker arm; 81. a pressure spring; 9. And (5) limiting a jackscrew.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 3, for the utility model discloses an unmanned aerial vehicle sequence starting drive, including rotating safety cover 2 that sets up on operating panel, safety cover 2 is the setting of U-shaped and U-shaped opening towards

start button

11, and 2 shells of safety cover are rotatable to start button 11 top and cover start button 11 completely. The operation panel is provided with an elastic member, the elastic member is in a natural state when the protection cover 2 covers the start button 11, and the elastic member is in a compressed state when the protection cover 2 is away from the position right above the start button 11. Referring to fig. 2 and 3, a wire 7 is connected to the protective cover 2, a pressure reducing valve 12 is connected to the other end of the wire 7, and when the protective cover 2 is rotated away from the start button 11, the wire 7 is pulled to open the pressure reducing valve 12. When a user wants to press the starting button 11, the protective cover 2 must be rotated first to expose the starting button 11, at the moment, the steel wire pull wire 7 is pulled due to the rotation of the protective cover 2, the pressure reducing valve 12 is opened due to the pulling force of the steel wire pull wire 7, and the action of pressing the starting button 11 by the user is carried out under the condition that the pressure reducing valve 12 is opened, so that the situation that the resistance is too large when the starting motor and the fluted disc of the engine are started and the starting motor and the fluted disc are overloaded and started to be damaged because the user forgets to open the pressure reducing valve 12 first and then press the starting button 11 is ensured.

Referring to fig. 2, a rocker arm 8 is provided on the pressure reducing valve 12 above a valve element 121 of the pressure reducing valve 12, and the rocker arm 8 is rotatably connected to the pressure reducing valve 12. One end of the steel wire stay wire 7, which is far away from the protective cover 2, and one end of the rocker arm 8, which is far away from the valve core 121, are fixedly connected, the rotating shaft 6 of the rocker arm 8 is perpendicular to the valve core 121, a pressure spring 81 is fixed on the pressure reducing valve 12, the pressure spring 81 is sleeved outside the valve core 121, one end of the pressure spring 81 is abutted against the outer wall of the pressure reducing valve 12, and the other end of the pressure spring 81 is. When the wire 7 moves toward the protective cover 2 in the direction of the wire 7, the wire 7 pulls the rocker arm 8 against the elastic force of the pressure spring 81, so that the rocker arm 8 abuts against the valve element 121 of the pressure reducing valve 12, and presses down the valve element 121 of the pressure reducing valve 12, thereby activating the pressure reducing valve 12. Therefore, the pressure reducing valve 12 can be ensured to be automatically started when the protective cover 2 is rotated to be opened, and when the protective cover 2 covers the starting button 11, the rocker arm 8 cannot always press the valve core 121 of the pressure reducing valve 12, so that the pressure reducing valve 12 is prevented from being repeatedly started to influence the normal work of an engine.

Referring to fig. 3 and 4, in order to guide the moving direction of the wire 7, the device further includes a fixing plate 3 fixed to the operation panel, the rotation shaft 6 of the protective cover 2 is disposed on the fixing plate 3, and the fixing plate 3 is provided with a guide hole 311 through which the wire 7 passes. The steel wire stay wire 7 can only move under the guidance of the guide hole 311, so that the tension action direction of the steel wire stay wire 7 is ensured to be constant, and the steel wire stay wire 7 can be ensured to start the pressure reducing valve 12.

Referring to fig. 3 and 4, the protection cover 2 includes two side plates 21 symmetrically disposed and a baffle 22 disposed between the two side plates 21, the baffle 22 has an area just covering the start button 11, and the baffle 22 is disposed perpendicular to the two side plates 21. The rotating shaft 6 of the protective cover 2 is arranged between the two side plates 21, and the rotating shaft 6 is rotatably connected with the fixed plate 3. In order to cover the side surface of the start button 11, an extension plate 211 is provided at one end of the side plate 21 away from the rotary shaft 6, and the extension plate 211 abuts against the fixed plate 3 when the shutter 22 is positioned directly above the start button 11. Only remain like this to the necessary protection of start button 11 baffle 22 and curb plate 21 and the safety cover 2 that use with fixed plate 3 swivelling joint's part, can effectively alleviate the weight of safety cover 2, avoid safety cover 2 to increase this unmanned aerial vehicle's flight load, but the duration of the work of influence engine. Meanwhile, the protection cover 2 is arranged on the fixing plate 3 instead of the control panel 1, so that the protection cover 2 is convenient to replace under the condition that the control panel 1 is not detached, and the protection cover 2 is more convenient to install and detach.

Referring to fig. 3 and 4, in order to enable the protective cover 2 to always cover the starting button 11 without being affected by external force and ensure the protection effect on the starting button 11 against accidental touch, an accommodating groove 31 is formed in the fixed plate 3 below the starting button 11, and the rotating shaft 6 penetrates through the side plate 21 and is rotatably connected with the accommodating groove 31. A fixing rod 5 is arranged between the two side plates 21 and above the rotating shaft 6, and the fixing rod 5 is arranged in parallel to the rotating shaft 6. The elastic piece for driving the protection cover 2 to reset is a tension spring 4, one end of the tension spring 4 is fixed with the fixing rod 5, and the other end of the tension spring is fixed with the accommodating groove 31. The elasticity action point with extension spring 4 sets up can reduce the required elasticity size that safety cover 2 resets on dead lever 5 to reduce extension spring 4's volume, alleviate unmanned aerial vehicle's whole weight, the operating duration of extension engine. And meanwhile, the fixing rod 5 and the side plate 21 are detachably fixed, so that the tension spring 4 can be conveniently replaced when the elasticity is poor after being used for multiple times.

Referring to fig. 4 and 5, in order to facilitate the attachment and detachment of the fixing lever 5, the length of the fixing lever 5 is equal to the distance between the side plates 21 and both end surfaces of the fixing lever 5 abut against the corresponding side plates 21. The side plate 21 is provided with a pin hole 212, two ends of the fixing rod 5 are provided with grooves with circular cross sections along the axial direction of the fixing rod 5, cylindrical pin rods 51 are connected in the grooves in a sliding mode along the axial direction of the fixing rod 5, openings of the grooves are formed in the end face of the fixing rod 5, springs 52 are fixed at the bottoms of the grooves, and the other ends of the springs 52 are fixedly connected with the fixing rod 5. The pin rod 51 is shaped to fit the pin hole 212, and a dial 511 is fixed to the outer circumference of the pin rod 51 in a direction perpendicular to the pin rod 51. The outer circumference of the fixing rod 5 is provided with a sliding groove which is the same as the groove along the direction vertical to the fixing rod 5, and the shifting block 511 extends out of the fixing rod 5 from the sliding groove.

Referring to fig. 4 and 5, when the user mounts the fixing lever 5 with the tension spring 4, the user pulls the two pieces of the shift blocks 511, and overcomes the elastic force of the spring 52 to place the fixing lever 5 between the two side plates 21 in a state where both end surfaces abut against the corresponding side plates 21, while the axis of the pin rod 51 coincides with the axis of the pin hole 212. Then, the shifting block 511 is released, so that the fixing rod 5 automatically extends into the pin hole 212 under the driving of the elastic force of the spring 52, and the fixing rod 5 is fixed on the side plate 21. Thereby realize convenient installation and the dismantlement of dead lever 5 for the change of extension spring 4 is more convenient.

Referring to fig. 3, use the axis of rotation of curb plate 21 to be equipped with arc wall 32 as the centre of a circle on the lateral wall of holding tank 31, be equipped with spacing jackscrew 9 on the curb plate 21, the perpendicular curb plate 21 setting of spacing jackscrew 9, the tip and the curb plate 21 threaded connection of spacing jackscrew 9, easy to assemble and dismantlement, spacing jackscrew 9 and the cooperation of arc wall 32, after the installation finishes, spacing jackscrew 9 is located arc wall 32, spacing jackscrew 9 slides and sets up in arc wall 32, through setting up spacing jackscrew 9 and arc wall 32, spacing jackscrew 9 can only slide in arc wall 32, can realize curb plate 21 turned angle's restriction like this, and then avoid extension spring 4 by excessive tensile, extension spring 4's life.

The implementation principle of the embodiment is as follows: the user rotates the protective cover 2 to expose the starting button 11, the steel wire pull wire 7 moves along with the rotation of the protective cover 2, the rocker arm 8 is pulled under the guide of the guide hole 311, the rocker arm 8 rotates towards the valve core 121 of the pressure reducing valve 12 and is abutted to and extrudes the valve core 121 of the pressure reducing valve 12, the user presses the starting button 11 to start the engine after the pressure reducing valve 12 is started, the engine is prevented from being started under the condition of no pressure reduction, the starting motor and the fluted disc are damaged due to overload caused by forced starting under the condition of overlarge resistance, the user loosens the protective cover 2, the protective cover 2 is reset under the driving of the elastic piece, the starting button 11 is continuously protected, the protective button is prevented from being touched by mistake or impacted by sundries, meanwhile, the rocker arm 8 is reset under the elasticity of the pressure.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an unmanned aerial vehicle sequence starting drive which characterized in that: including rotating safety cover (2) of setting on operating panel, safety cover (2) are the setting of U-shaped and cover start button (11), the last elastic component that is equipped with drive safety cover (2) and keeps in start button (11) top of operating panel, safety cover (2) are connected with steel wire and act as go-between (7), the steel wire is acted as go-between (7) the other end and is linked to each other with relief pressure valve (12), when start button (11) rotation was kept away from in safety cover (2), relief pressure valve (12) are opened in steel wire (7) pulling.

2. A sequential drone launching device according to claim 1, characterised in that: thereby rotate on relief pressure valve (12) and be connected with valve core (121) that are used for pressing relief pressure valve (12) and open rocking arm (8) of relief pressure valve (12), the steel wire draws line (7) to keep away from the one end and rocking arm (8) fixed connection of safety cover (2), when safety cover (2) rotated, the steel wire draws line (7) to stimulate rocking arm (8) and rotates and press relief pressure valve (12).

3. A sequential drone launching device according to claim 2, characterised in that: still include fixed plate (3) fixed with operating panel, safety cover (2) rotate and set up on fixed plate (3), be equipped with guiding hole (311) that confession steel wire acting as go-between (7) passed on fixed plate (3).

4. A sequential drone launching device according to claim 1 or 3, characterised in that: safety cover (2) are including curb plate (21) that the symmetry set up and set up baffle (22) between both sides board (21), two be equipped with pivot (6) of being connected with fixed plate (3) rotation between curb plate (21), keep away from pivot (6) one end on curb plate (21) and be equipped with extension board (211) with fixed plate (3) butt.

5. A sequential drone launching device according to claim 4, characterised in that: lie in start button (11) below on fixed plate (3) and be equipped with holding tank (31), curb plate (21) rotate with holding tank (31) and be connected, two it is equipped with dead lever (5) to lie in pivot (6) top between curb plate (21) and be on a parallel with pivot (6), the elastic component is extension spring (4), extension spring (4) one end is fixed with dead lever (5), and the other end is fixed with holding tank (31).

6. A sequential drone launching device according to claim 3, characterised in that: and a pressure spring (81) for driving the rocker arm (8) to reset is arranged on the pressure reducing valve (12).

7. A sequential drone launching device according to claim 5, characterised in that: dead lever (5) both ends face with correspond curb plate (21) laminating, the both ends of dead lever (5) are slided along dead lever (5) axis direction and are equipped with pin pole (51), be equipped with drive pin pole (51) in dead lever (5) and towards dead lever (5) outer gliding spring (52), be equipped with on curb plate (21) with pin pole (51) complex pinhole (212).

8. A sequential drone launching device according to claim 7, characterised in that: a shifting block (511) is fixed on the peripheral surface of the pin rod (51), the shifting block (511) extends out of the fixed rod (5), and a sliding groove for the shifting block (511) to slide is formed in the fixed rod (5) along the length direction of the fixed rod (5).

9. A sequential drone launching device according to claim 5, characterised in that: the side wall of holding tank (31) is gone up and is used the axis of rotation of curb plate (21) as the centre of a circle to be equipped with arc wall (32), be equipped with spacing jackscrew (9) on curb plate (21), setting in arc wall (32) is slided in spacing jackscrew (9).