CN107856840B

CN107856840B - Aircraft with high takeoff and landing stability

Info

Publication number: CN107856840B
Application number: CN201711135068.0A
Authority: CN
Inventors: 张琴
Original assignee: Guandian Defense Technology Co ltd
Current assignee: GUANDIAN DEFENSE TECHNOLOGY Co.,Ltd.
Priority date: 2016-05-19
Filing date: 2016-05-19
Publication date: 2020-09-15
Anticipated expiration: 2036-05-19
Also published as: CN107856840A; CN105966599A; CN107933874A; CN107856839A; CN107856841A; CN105966599B

Abstract

The invention relates to an aircraft with high take-off and landing stability, which comprises a rack, a damping device, six lifting supports, a battery box, a rotating motor, propellers and locking caps, wherein the damping device is positioned under the rack, the damping device is fixedly connected with the rack, the lifting supports are uniformly arranged on the outer sides of the damping device respectively, the battery box is fixed above a connecting seat of the rack, the rotating motor is fixed on a fixing ring of the rack, the propellers are positioned at the upper end of a main shaft of the rotating motor, and the propellers are fixed with the main shaft of the rotating motor through the locking caps. The invention integrally adopts a detachable combined structure, is convenient and quick to assemble and carry, has double shock absorption effects, obvious shock absorption effect, high take-off and landing stability and high safety performance.

Description

Aircraft with high takeoff and landing stability

Technical Field

The invention relates to the field of unmanned aerial vehicles, in particular to an aircraft with high takeoff and landing stability.

Background

The aircraft is an apparatus flyer which is manufactured by human beings, can fly off the ground, flies in space and is controlled by the human beings to fly in the atmosphere or in the space (outer space), and the aircraft is divided into an aircraft, a spacecraft, a rocket, a missile and a guided weapon; the unmanned aerial vehicle is also one of aircrafts, is an unmanned aerial vehicle operated by utilizing a radio remote control device and a self-contained program control device, and can be divided into an unmanned helicopter, an unmanned fixed wing aircraft, an unmanned multi-rotor aircraft, an unmanned airship, an unmanned parachute wing aircraft and the like from the technical perspective; the unmanned aerial vehicle can be divided into military and civil according to the application field, and the unmanned aerial vehicle can be divided into a reconnaissance plane and a target drone in the aspect of military; at present, unmanned aerial vehicles can be widely applied to the fields of national ecological environment protection, aerial photography, mapping, mineral resource exploration, disaster monitoring, traffic patrol, power line patrol, public security monitoring, emergency disaster reduction, emergency command, artificial rainfall, national defense safety, national soil resource exploration, town planning, earthquake investigation, environmental monitoring, forest fire prevention, crop assessment, wild animal monitoring in protected areas, atmospheric sampling, maritime reconnaissance, border patrol, poison-forbidden reconnaissance, fire reconnaissance, ecological environment protection, marine environment monitoring, land utilization investigation, water resource development, crop growth monitoring and assessment, agricultural operation, natural disaster monitoring and assessment, urban planning and municipal management, forest pest protection and monitoring, digital cities and the like.

The aircraft has the advantages of compact structure, small size, strong popularization, flexible movement, stable flight and the like, is widely used in civilian and military use, and is quite popular with the public; however, the existing aircraft also has two problems of shock absorption and endurance, endurance determines the flight time and stability of the aircraft, shock absorption directly determines the stability and safety of the aircraft during landing, and the self quality of the aircraft and the safety of a load-bearing object or personnel are indirectly influenced. In view of this, the present invention provides a new aircraft.

Disclosure of Invention

In order to make up for the defects of the prior art, the invention provides a novel aircraft.

The technical problem to be solved by the invention is realized by adopting the following technical scheme.

A novel aircraft comprises a frame, a damping device, a landing support, a battery box, a rotating motor, a propeller and a locking cap; the middle part of the frame is provided with a connecting seat, the central position of the lower end of the connecting seat is provided with a threaded connecting hole, the periphery of the frame is provided with a fixing ring, and the fixing ring is connected with the connecting seat by a transverse bar; the damping device is positioned right below the rack and fixedly connected with the rack; the number of the lifting supports is six, and the lifting supports are respectively and uniformly arranged on the outer sides of the shock absorption devices; the battery box is fixed above the connecting seat of the frame, the number of the rotating motors, the number of the propellers and the number of the locking caps are six, the rotating motors are fixed on the fixing ring of the frame, the propellers are positioned at the upper end of the main shaft of the rotating motors, the propellers and the main shaft of the rotating motors are fixed through the locking caps, the propellers are driven to rotate through the rotation of the rotating motors, and therefore the propellers generate lifting force to drive the flight vehicle to fly.

Furthermore, the damping device comprises a fixed platform, a movable platform, a first branched chain, a second branched chain and a driving device; the fixed platform is of a disc-shaped structure, fan-shaped material reducing ports are uniformly formed in the fixed platform along the central axis of the fixed platform, clamping seats are uniformly arranged in the circumferential direction of the outer side of the fixed platform, each clamping seat is of a trapezoidal structure, triangular clamping grooves are symmetrically formed in the left side and the right side of each clamping seat respectively, connecting holes are formed in the clamping grooves, and a fixing threaded hole I is formed in the middle of the front end of each clamping seat; the movable platform is positioned right above the fixed platform, the outer side of the movable platform is provided with an external thread matched with a threaded connecting hole in the central position of the lower end of the connecting seat, the upper end surface of the movable platform is provided with a damping rubber pad, and the damping rubber pad is provided with a through hole; the number of the first branched chain and the second branched chain is two, the first branched chain and the second branched chain are both positioned between the fixed platform and the movable platform, two ends of the first branched chain and two ends of the second branched chain are both connected with the fixed platform and the movable platform respectively, and the horizontal installation angle of the first branched chain and the second branched chain is 90 degrees; the driving device is positioned between the fixed platform and the movable platform, and the driving device is fixed with the upper end surface of the fixed platform.

Further, the lifting support comprises a support body, a connecting screw rod and a damping spring; the lifting support is characterized in that the support main body consists of a connecting part, a horizontal part and a supporting part, the connecting part is of a U-shaped structure, clamping blocks matched with the clamping grooves are arranged on the left side and the right side of the connecting part respectively, and the left side and the right side of the connecting part are connected with the fixed platform through bolts, so that the lifting support is fixed in the vertical direction; connecting screw one end install in the fixed thread hole I of the cassette front end middle part position department of deciding the platform, the connecting screw other end is installed in the fixed thread hole II of support main part horizontal part front side port department, realized through connecting screw to the support horizontal direction's that rises and falls fixed, damping spring fixes respectively on wedge I and wedge II at both ends, damping spring has strengthened the shock-absorbing capacity when the support that rises and falls contacts ground.

Furthermore, the first support chain comprises a first ear seat, a hook hinge, a first lifting rod, a first ball hinge, a first connecting column and a first damping spring; the first lug seat is fixed on the upper end face of the fixed platform, the first lug seat is connected with the lower end of the first lifting rod through a Hooke hinge, the upper end of the first lifting rod is connected with a first ball hinge, the first ball hinge is fixed on the lower end face of the movable platform through a first connecting column, and a first damping spring is wound on the first lifting rod; the first branch chain can rotate in two directions through the Hooke hinge, can rotate in three directions through the first spherical hinge, can move up and down through the first lifting rod, adopts a UPS parallel mechanism mode, and increases the damping performance of the first branch chain through the first damping spring.

Furthermore, the second branched chain comprises a second lug seat, a rotating pin, a second lifting rod, a second ball hinge, a second connecting column and a second damping spring; the second lug seat is fixed on the upper end face of the fixed platform, the second lug seat is connected with the lower end of the second lifting rod through a rotating pin, the upper end of the second lifting rod is connected with a second ball hinge, the second ball hinge is fixed on the lower end face of the movable platform through a second connecting column, and a second damping spring is wound on the second lifting rod; the rotation in one direction can be carried out through the rotating pin, the rotation in three directions can be carried out through the second ball hinge, the up-down movement can be carried out through the second lifting rod, the second branched chain adopts a form of a-RPS parallel mechanism, and the damping capacity of the second branched chain is improved through the second damping spring.

Furthermore, the driving device comprises a lifting base, a rotary table, a telescopic rod, a fixed disc, a driving spring and a fixed table, wherein the number of the telescopic rod, the number of the fixed disc, the number of the driving spring and the number of the fixed table are four; the lower end of the lifting base is fixed at the central position of the upper end face of the fixed platform, the rotary table is installed at the upper end of the lifting base, the telescopic rods are symmetrically arranged at the periphery of the rotary table respectively, one end of each telescopic rod is connected with the outer side wall of the rotary table, the other end of each telescopic rod is connected with the fixed disc, one end of each driving spring is fixed on the fixed disc, the other end of each driving spring is connected with the fixed table, and the fixed tables are fixed on the outer side walls of the; the driving device can perform the functions of up-down lifting, circumferential rotation and circumferential extension, and can perform the motion in three freedom directions in the space of two translation and one rotation.

Compared with the prior art, the invention has the following advantages:

(1) the invention integrally adopts a detachable combined structure, is convenient and quick to assemble and carry, has double shock absorption effects, obvious shock absorption effect, high take-off and landing stability and high safety performance.

(2) The damping device adopts a four-freedom-degree symmetrical parallel mechanism and adopts a parallel mechanism form of UPS-RPS, so that the movement along the X axis and the Z axis and the movement around the X axis and the rotation around the Y axis in four freedom directions can be realized, the four freedom degrees are independent, the four freedom degrees can also work coordinately, the movement is flexible and stable, the damping effect is achieved through compensation between the displacements, and the damping effect is good.

(3) The driving device can perform the functions of up-down lifting, circumferential rotation and circumferential extension, can perform the motions of two translations and one rotation in three freedom directions in space, secondarily compensates the displacement difference and the vibration generated during landing, and improves the damping function of the invention.

(4) The lifting support has high strength and simple and compact structure, and effectively reduces the vibration force generated when the lifting support is landed.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of the shock absorber device of the present invention engaged with a landing gear;

FIG. 3 is a schematic perspective view of the shock absorbing device of the present invention;

figure 4 is a perspective view of the landing gear support of the present invention.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.

As shown in fig. 1 to 4, the novel aircraft comprises a frame 1, a damping device 2, a landing support 3, a battery box 4, a rotating motor 5, a propeller 6 and a locking cap 7; a connecting seat is arranged in the middle of the frame 1, a threaded connecting hole is formed in the center of the lower end of the connecting seat, a fixing ring is arranged on the periphery of the frame 1, and the fixing ring is connected with the connecting seat through a cross bar; the damping device 2 is positioned right below the rack 1, and the damping device 2 is fixedly connected with the rack 1; the number of the lifting supports 3 is six, and the lifting supports 3 are respectively and uniformly arranged on the outer sides of the shock absorption devices 2; the battery box 4 is fixed above a connecting seat of the frame 1, the number of the rotating motors 5, the number of the propellers 6 and the number of the locking caps 7 are six, the rotating motors 5 are fixed on a fixing ring of the frame 1, the propellers 6 are positioned at the upper ends of main shafts of the rotating motors 5, the propellers 6 and the main shafts of the rotating motors 5 are fixed through the locking caps 7, the propellers 6 are driven to rotate through the rotation of the rotating motors 5, and therefore the propellers 6 generate lift force to drive the flying vehicle to fly.

Further, the damping device 2 comprises a fixed platform 21, a movable platform 22, a first branched chain 23, a second branched chain 24 and a driving device 25; the fixed platform 21 is of a disc-shaped structure, fan-shaped material reducing ports are uniformly formed in the fixed platform 21 along the central axis of the fixed platform, clamping seats are uniformly arranged in the circumferential direction of the outer side of the fixed platform 21 and are of a ladder-shaped structure, triangular clamping grooves are symmetrically formed in the left side and the right side of each clamping seat respectively, connecting holes are formed in the clamping grooves, and a fixing threaded hole I is formed in the middle of the front end of each clamping seat; the movable platform 22 is positioned right above the fixed platform 21, the outer side of the movable platform 22 is provided with an external thread matched with a threaded connecting hole in the central position of the lower end of the connecting seat, the upper end surface of the movable platform 22 is provided with a damping rubber pad, and the damping rubber pad is provided with a through hole; the number of the first branched chain 23 and the second branched chain 24 is two, the first branched chain 23 and the second branched chain 24 are both positioned between the fixed platform 21 and the movable platform 22, two ends of the first branched chain 23 and two ends of the second branched chain 24 are both connected with the fixed platform 21 and the movable platform 22 respectively, and the horizontal installation angle of the first branched chain 23 and the second branched chain 24 is 90 degrees; the driving device 25 is located between the fixed platform 21 and the movable platform 22, and the driving device 25 is fixed with the upper end surface of the fixed platform 21.

Further, the lifting support 3 comprises a support body 31, a connecting screw rod 32 and a damping spring 33; the support main body 31 is composed of a connecting part, a horizontal part and a supporting part, the connecting part is of a U-shaped structure, clamping blocks matched with the clamping grooves are arranged on the left side and the right side of the connecting part respectively, and the left side and the right side of the connecting part are connected with the fixed platform 21 through bolts, so that the vertical fixing of the lifting support is realized, a fixing threaded hole II is formed in the front end opening of the horizontal part, a wedge block I is arranged on the lower end surface of the horizontal part, the supporting part is of an arc-shaped structure, and a wedge block II is arranged; connecting screw 32 one end install in the fixed screw hole I of the cassette front end middle part department of deciding platform 21, the connecting screw 32 other end is installed in the fixed screw hole II of support main part 31 horizontal part front side port department, realized the fixed to the support 3 horizontal direction that rises and falls through connecting screw 32, damping spring 33 both ends are fixed respectively on wedge I and wedge II, damping spring 33 has strengthened the shock-absorbing capacity when the support 3 that rises and falls contacts ground.

Further, the first branch chain 23 includes a first ear seat 231, a hooke joint 232, a first lifting rod 233, a first ball hinge 234, a first connecting column 235 and a first damping spring 236; the first lug seat 231 is fixed on the upper end surface of the fixed platform 21, the first lug seat 231 is connected with the lower end of the first lifting rod 233 by a hook hinge 232, the upper end of the first lifting rod 233 is connected with a first ball hinge 234, the first ball hinge 234 is fixed on the lower end surface of the movable platform 22 by a first connecting column 235, and a first damping spring 236 is wound on the first lifting rod 233; the hooke hinge 232 may rotate in two directions, the first ball hinge 234 may rotate in three directions, the first lifting bar 233 may move up and down, the first branch chain 23 may be in the form of a UPS parallel mechanism, and the first damping spring 236 may increase the damping performance of the first branch chain 23.

Further, the second branched chain 24 includes a second ear seat 241, a rotation pin 242, a second lifting rod 243, a second ball hinge 244, a second connecting rod 245 and a second damping spring 246; the second ear seat 241 is fixed on the upper end surface of the fixed platform 21, the lower ends of the second ear seat 241 and the second lifting rod 243 are connected by a rotating pin 242, the upper end of the second lifting rod 243 is connected with a second ball hinge 244, the second ball hinge 244 is fixed on the lower end surface of the movable platform 22 through a second connecting column 245, and a second damping spring 246 is wound on the second lifting rod 243; one-directional rotation is possible by the rotation pin 242, three-directional rotation is possible by the second ball hinge 244, up and down movement is possible by the second elevating bar 243, the second branch chain 24 takes the form of an RPS parallel mechanism, and the damping capacity of the second branch chain 24 is increased by the second damping spring 246.

Further, the driving device 25 comprises a lifting base 251, a rotary table 252, an expansion link 253, a fixed disc 254, a driving spring 255 and a fixed table 256, wherein the number of the expansion link 253, the fixed disc 254, the driving spring 255 and the fixed table 256 is four; the lower end of the lifting base 251 is fixed at the center of the upper end face of the fixed platform 21, the rotary table 252 is installed at the upper end of the lifting base 251, the telescopic rods 253 are symmetrically arranged at the periphery of the rotary table 252, one end of the telescopic rod 253 is connected with the outer side wall of the rotary table 252, the other end of the telescopic rod 253 is connected with the fixed disc 254, one end of the driving spring 255 is fixed on the fixed disc 254, the other end of the driving spring 255 is connected with the fixed table 256, and the fixed table 256 is fixed on the outer side walls of the first lifting rod 233 and the; the driving device 25 can perform the functions of up-down lifting, circumferential rotation and circumferential extension, and can perform the movement in three freedom directions in a space, namely two translation and one rotation.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A novel aircraft, its characterized in that: comprises a frame, a damping device, a lifting bracket, a battery box, a rotating motor, a propeller and a locking cap; the middle part of the frame is provided with a connecting seat, the central position of the lower end of the connecting seat is provided with a threaded connecting hole, the periphery of the frame is provided with a fixing ring, and the fixing ring is connected with the connecting seat by a transverse bar; the damping device is positioned right below the rack and fixedly connected with the rack; the number of the lifting supports is six, and the lifting supports are respectively and uniformly arranged on the outer sides of the shock absorption devices; the battery box is fixed above a connecting seat of the frame, the number of the rotating motors, the number of the propellers and the number of the locking caps are six, the rotating motors are fixed on a fixing ring of the frame, the propellers are positioned at the upper end of a main shaft of the rotating motors, and the propellers and the main shaft of the rotating motors are fixed through the locking caps; wherein:

the damping device comprises a fixed platform, a movable platform, a first branched chain, a second branched chain and a driving device; the fixed platform is of a disc-shaped structure, fan-shaped material reducing ports are uniformly formed in the fixed platform along the central axis of the fixed platform, clamping seats are uniformly arranged in the circumferential direction of the outer side of the fixed platform, each clamping seat is of a trapezoidal structure, triangular clamping grooves are symmetrically formed in the left side and the right side of each clamping seat respectively, connecting holes are formed in the clamping grooves, and a fixing threaded hole I is formed in the middle of the front end of each clamping seat; the movable platform is positioned right above the fixed platform, the outer side of the movable platform is provided with an external thread matched with a threaded connecting hole in the central position of the lower end of the connecting seat, the upper end surface of the movable platform is provided with a damping rubber pad, and the damping rubber pad is provided with a through hole; the number of the first branched chain and the second branched chain is two, the first branched chain and the second branched chain are both positioned between the fixed platform and the movable platform, two ends of the first branched chain and two ends of the second branched chain are both connected with the fixed platform and the movable platform respectively, and the horizontal installation angle of the first branched chain and the second branched chain is 90 degrees; the driving device is positioned between the fixed platform and the movable platform and is fixed with the upper end surface of the fixed platform;

the first support chain comprises a first ear seat, a hook hinge, a first lifting rod, a first ball hinge, a first connecting column and a first damping spring; the first lug seat is fixed on the upper end face of the fixed platform, the first lug seat is connected with the lower end of the first lifting rod through a Hooke hinge, the upper end of the first lifting rod is connected with a first ball hinge, the first ball hinge is fixed on the lower end face of the movable platform through a first connecting column, and a first damping spring is wound on the first lifting rod;

the driving device comprises a lifting base, a rotary table, a telescopic rod, a fixed disc, a driving spring and a fixed table, wherein the number of the telescopic rod, the number of the fixed disc, the number of the driving spring and the number of the fixed table are four; the lifting base lower extreme fix and decide platform up end central point and put the department, the revolving stage is installed in the lifting base upper end, the telescopic link is symmetrical arrangement respectively in the revolving stage periphery, telescopic link one end is connected with the revolving stage lateral wall, the telescopic link other end is connected with the fixed disk, driving spring one end is fixed on the fixed disk, the driving spring other end is connected with the fixed station, the fixed station is fixed respectively on the lateral wall of first lifter and second lifter.