CN110015413A - A kind of frame structure for unmanned plane protection - Google Patents
A kind of frame structure for unmanned plane protection Download PDFInfo
- Publication number
- CN110015413A CN110015413A CN201910273602.7A CN201910273602A CN110015413A CN 110015413 A CN110015413 A CN 110015413A CN 201910273602 A CN201910273602 A CN 201910273602A CN 110015413 A CN110015413 A CN 110015413A
- Authority
- CN
- China
- Prior art keywords
- hollow disk
- unmanned plane
- fixedly connected
- round
- frame structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/02—Undercarriages
- B64C25/04—Arrangement or disposition on aircraft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
- B64C25/58—Arrangements or adaptations of shock-absorbers or springs
- B64C25/60—Oleo legs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
- B64C25/58—Arrangements or adaptations of shock-absorbers or springs
- B64C25/62—Spring shock-absorbers; Springs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to air vehicle technique fields; and disclose a kind of frame structure for unmanned plane protection; including hollow disk; there are four arc connection sheets for the top annular array distribution of hollow disk; mounting plate is fixedly connected between four arc connection sheets; the upper surface of mounting plate is fixedly connected with drone body; the bottom surface annular of hollow disk is opened up there are four connectivity slot; there are four round ram pot, the inner sidewalls of four connectivity slots to be arranged in a one-to-one correspondence respectively with four round ram pots for the intracavity bottom annular array distribution of hollow disk.This is used for the frame structure of unmanned plane protection; the fluid of inner cavity impacts automatic pressure relief valve; reach the critical pressure release value of automatic pressure relief valve; so that the used drain pipe discharge of the fluid of inner cavity; buffering unloading is carried out to hydraulic pressures caused by excessive impact force to reach, to achieve the purpose that carry out sharing balance to impact force suffered by drone body.
Description
Technical field
The present invention relates to unmanned plane correlative technology field, specially a kind of frame structure for unmanned plane protection.
Background technique
Unmanned plane using more and more extensive, the improper of unmanned plane uses that unmanned plane may be made to occur when in use is out of control
The case where, unmanned plane easily falls on ground under runaway condition in the sky, and unmanned plane is difficult vertical landing punching when falling on ground
It hits, so that the landing stress shock point of unmanned plane is uncontrollable, and the undercarriage of unmanned plane is generally possible to play the work of buffer protection
With, but existing unmanned plane support stress shock point when being contacted with ground is smaller, and unmanned plane lifting support
The integrated buffer mechanism of frame can not effectively be buffered to stress shock point or be shared impact force, so that the stress of unmanned plane is rushed
Hit a little that there may be biggish damages, it is therefore desirable to a kind of protection frame structure of unmanned plane, to unmanned plane when falling stress
Impact force suffered by shock point carries out sharing impact force, to reduce impact force damage caused by unmanned plane.
Summary of the invention
What stress shock point when cannot fall to unmanned plane that solves existing unmanned plane fluctuation support device was born
Impact force carries out the problem of sharing balance.
A kind of frame structure for unmanned plane protection, including hollow disk, the top annular array of the hollow disk
Distribution is fixedly connected with mounting plate, the upper table of the mounting plate between four arc connection sheets there are four arc connection sheet
Face is fixedly connected with drone body, and the bottom surface annular of the hollow disk opens up that there are four connectivity slot, the open circles
There are four round ram pot, the inner sidewall of four connectivity slots is hydraulic with four circles respectively for the intracavity bottom annular array distribution of disk
Cylinder is arranged in a one-to-one correspondence, and is provided with piston plate, the outer side edges of four piston plates on the inside of four round ram pots
It is socketed with Moveable seal cartridge, the outer side edges of the Moveable seal cartridge are in contact with the inner sidewall of corresponding round ram pot, and four
The lower surface middle position of a piston plate is fixedly connected to connecting column, and the bottom of four round ram pots opens up
There is movable through-hole, the inner sidewall of four movable through-holes is fixedly connected to sealing ring, the bottom one of four connecting columns
End extends through the inside of corresponding movable through-hole and interspersed sealing ring, and the end of the connecting column extends to corresponding connection
The inside of slot is fixedly connected with connecting plate, and the connecting plate is located at the underface of corresponding connectivity slot, the upper table of the connecting plate
It is fixedly connected with flexible connector between face and the bottom of round ram pot, the lower surface of the connecting plate is fixedly connected with half arc
Contact chip, the annular outer side wall of four round ram pots open up that there are two communication port, adjacent two round ram pots
Between by the way that communication port is fixed be communicated with arc communicating pipe, four arc communicating pipes and four round ram pots compositions
Circle, the arc shaped inside tube wall of four arc communicating pipes offer radial through-hole, fixed company at four radial through-hole
It is connected to radial communication pipe, is fixedly connected with annular five-way joint between the end of four radial communication pipes, described annular five
Drain pipe is fixedly connected at the bottom port of pass joint, the end of the drain pipe is run through the inside bottom of hollow disk and prolonged
The outside of hollow disk is extended to, the drain pipe is fixedly installed with automatic pressure relief valve, half arc in hollow disk inboard portion
Mounting groove is offered at the bottom contact plane of contact chip, the inside of the mounting groove is connected with rolling by movable thin axis
Pearl.
Preferably, it is bolted to connection between the arc connection sheet and hollow disk, four arc connections
It is bolted to connection between piece and mounting plate.
Preferably, the half arc contact chip is quadrant arcs, and the bottom surface of the half arc contact chip is plane,
Four half arc contact chip circular arrays are distributed in the underface of hollow disk, and the half arc contact chip uses 60Si2Mn
Spring steel material is made.
Preferably, the flexible connector uses 65Mn spring steel material, and the cross sectional shape of the flexible connector is Z
Shape, the flexible connector with a thickness of 2-3 millimeters, each connecting plate is correspondingly connected with two flexible connectors, two bullets
Property connector is about the center symmetric setting for being correspondingly connected with plate.
Preferably, the cross-sectional shape of the piston plate is circle, and the outer diameter of the piston plate is less than in round ram pot
5-8 millimeters of diameter, the piston plate is fitted close by Moveable seal cartridge and round ram pot.
Preferably, the automatic pressure relief valve uses spring automatic pressure relief valve, and four radial communication pipes are about annular
The center annular array of five-way joint is arranged.
Compared with prior art:
(1), the frame structure for being used for unmanned plane protection is connected by the way that hollow disk, round ram pot, connecting column, arc is arranged
Siphunculus, radial communication pipe and automatic pressure relief valve cooperate, unmanned plane it is out of control fall contact ground when, half arc of contact point connects
The bottom plane part of contact is contacted with ground, by the shock of a fall power of unmanned plane itself, so that half arc contact chip sheet
Body carries out buffering to a certain extent, and the impact force suffered by it is passed to work by connecting plate and connecting column by half arc contact chip
Disk is filled in, so that corresponding piston plate is movable upwards by upward impact force progress, and round ram pot corresponding to piston plate
It is that its internal hydraulic pressure that is interconnected by four arc communicating pipes is equal everywhere with remaining three round ram pots, makes
The piston plate obtained in the round ram pot of its excess-three is moveed downward by hydraulic pressure, is divided to reach stress shock point
Assure the purpose of shield, while its excess-three piston plate moves downward, so that corresponding connecting column acts on corresponding connecting plate,
Half arc contact chip of its excess-three is pulled down, so that four and half arc contact chips are preferably contacted with ground,
To achieve the purpose that protect drone body, while in half arc contact chip of contact impact point by excessive impact
After power, the interconnected inner cavity hydraulic pressures of four round ram pots, four arc communicating pipes and radially connected pipe it is excessive it
Afterwards, the fluid of inner cavity impacts automatic pressure relief valve, reaches the critical pressure release value of automatic pressure relief valve, so that the fluid of inner cavity
Hydraulic pressures caused by excessive impact force are carried out buffering unloading to reach, to reach to nothing by used drain pipe discharge
Impact force suffered by man-machine ontology share the purpose of balance.
(2), the frame structure for being used for unmanned plane protection, it is mutual by setting flexible connector, connecting plate and ram pot
Cooperation, when the device is in use, half arc contact chip is contacted with ground, and flexible connector carries out elasticity to corresponding connecting plate
Limit, prevents half arc contact chip from being rotated when by extraneous radial impact force, ensures that equipment is steady when absorbing impact power
It is qualitative, while double of arc contact chip is buffered by the impact force that connecting plate passes to connecting column, to reach to unmanned plane
The purpose that ontology is protected.
(3), the frame structure for being used for unmanned plane protection, is cooperated by half arc contact chip of setting and ball, in nothing
Man-machine to fall when contacting ground, the bottom plane of half arc contact chip is first contacted with ground, in four circle ram pots
After the up and down progress of piston plate is buffered, four and half arc contact chips are contacted with ground, and unmanned plane falls generated oblique
Outward force can make equipment and ground carries out Frictional Slipping, and the setting of ball reduces rubbing between half arc contact chip and ground
The case where wiping, preventing the excessive inclined abrasive power of equipment from drone body being caused to be turned on one's side, to ensure peace of the unmanned plane when falling
Full guard.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is structure enlargement diagram at A in Fig. 1；
Fig. 3 is the hollow disk transversal cross-section overlooking structure diagram of the present invention.
In figure: 1 hollow disk, 2 arc connection sheets, 3 mounting plates, 4 drone bodies, 5 connectivity slots, 6 round ram pots, 7
Piston plate, 8 Moveable seal cartridges, 9 connecting columns, 10 connecting plates, 11 flexible connectors, 12 half arc contact chips, 13 arc communicating pipes, 14
Radial communication pipe, 15 annular five-way joints, 16 drain pipes, 17 automatic pressure relief valves, 18 mounting grooves, 19 balls, 20 movable through-holes, 21
Sealing ring.
Specific embodiment
As shown in Figure 1-3, the present invention provides a kind of technical solution: a kind of frame structure for unmanned plane protection, including
Hollow disk 1, the top annular array distribution of hollow disk 1 are solid between four arc connection sheets 2 there are four arc connection sheet 2
Surely be connected with mounting plate 3, be bolted to connection between arc connection sheet 2 and hollow disk 1, four arc connection sheets 2 with
It is bolted to connection between mounting plate 3, the upper surface of mounting plate 3 is fixedly connected with drone body 4, hollow disk 1
Bottom surface annular open up there are four connectivity slot 5, there are four round hydraulic for the intracavity bottom annular array distribution of hollow disk 1
Cylinder 6, the inner sidewall of four connectivity slots 5 are arranged in a one-to-one correspondence with four round ram pots 6 respectively, four round ram pots 6 it is interior
Side is provided with piston plate 7, and the outer side edges of four piston plates 7 are socketed with Moveable seal cartridge 8, the outer side edges of Moveable seal cartridge 8
It is in contact with the inner sidewall of corresponding round ram pot 6, the cross-sectional shape of piston plate 7 is circle, and the outer diameter of piston plate 7 is less than
Round 5-8 millimeters of 6 internal diameter of ram pot, piston plate 7 is fitted close by Moveable seal cartridge 8 and round ram pot 6, Moveable seal cartridge
8 ensure the leakproofness of 6 cavity fluid of circle ram pot when piston plate 7 is up and down, the lower surface middle position of four piston plates 7
It is fixedly connected to connecting column 9, the bottom of four round ram pots 6 offers movable through-hole 20, four movable through-holes 20
Inner sidewall is fixedly connected to sealing ring 21, and the bottom end of four connecting columns 9 extends through corresponding movable through-hole 20 simultaneously
The inside of interspersed sealing ring 21, the inner sidewall of sealing ring 21 and the lateral wall of connecting column 9 are fitted close, and ensure about 9 connecting column
Movable stabilized seal, the inside that the end of connecting column 9 extends to corresponding connectivity slot 5 are fixedly connected with connecting plate 10, even
Fishplate bar 10 is located at the underface of corresponding connectivity slot 5, fixed between the upper surface of connecting plate 10 and the bottom of round ram pot 6 to connect
Be connected to flexible connector 11, flexible connector 11 uses 65Mn spring steel material, the cross sectional shape of flexible connector 11 be it is Z-shaped,
Flexible connector 11 with a thickness of 2-3 millimeters, each connecting plate 10 is correspondingly connected with two flexible connectors 11, two elastic connections
For part 11 about the center symmetric setting for being correspondingly connected with plate 10, the lower surface of connecting plate 10 is fixedly connected with half arc contact chip 12, and half
Arc contact chip 12 is quadrant arcs, and the bottom surface of half arc contact chip 12 is plane, and four and half arc contact chips 12 are in ring
Shape array distribution is made in the underface of hollow disk 1, half arc contact chip 12 of 60Si2Mn spring steel material, four circles
The annular outer side wall of ram pot 6 is opened up there are two communication port, is fixed between adjacent two round ram pots 6 by communication port
It is communicated with arc communicating pipe 13, four arc communicating pipes 13 and four round ram pots 6 form circle, four arc communicating pipes 13
Arc shaped inside tube wall offer radial through-hole, radial communication pipe 14, four diameters are fixedly connected at four radial through-hole
To being fixedly connected with annular five-way joint 15 between the end of communicating pipe 14, the top of the piston plate 7 of four round ram pots 6,
Four arc communicating pipes 13, four radial communication pipes 14 and the interconnected inner cavity of annular five-way joint 14 be marked with hydraulic fluid,
Drain pipe 16 is fixedly connected at the bottom port of annular five-way joint 15, the end of drain pipe 16 is through the interior of hollow disk 1
Side bottom and the outside for extending to hollow disk 1, drain pipe 16 are fixedly installed with automatic pressure relief valve in hollow 1 inboard portion of disk
17, automatic pressure relief valve 17 uses spring automatic pressure relief valve, center of four radial communication pipes 14 about annular five-way joint 15
Annular array is arranged, and offers mounting groove 18 at the bottom contact plane of half arc contact chip 12, the inside of mounting groove 18 passes through work
It moves thin axis and is connected with ball 19.
Unmanned plane it is out of control fall contact ground when, the bottom plane part and ground of half arc contact chip 12 of contact point into
The bottom plane of row contact, half arc contact chip 12 is first contacted with ground, on the piston plate 7 in four round ram pots 6
Lower activity carry out it is buffered after, four and half arc contact chips 12 are contacted with ground, and unmanned plane falls generated oblique external force
Meeting is so that equipment and ground carry out Frictional Slipping, and the setting of ball 19 reduces the friction between half arc contact chip 12 and ground,
The case where preventing the excessive inclined abrasive power of equipment from drone body 4 being caused to be turned on one's side, by the shock of a fall power of unmanned plane itself, make
Half arc contact chip 12 itself carries out buffering to a certain extent, the impact force suffered by it is passed through connection by half arc contact chip 12
Plate 10 and connecting column 9 pass to piston plate 7, so that corresponding piston plate 7 is carried out activity upwards by upward impact force, and live
Round ram pot 6 corresponding to plug disk 7 with remaining three round ram pots 6 is interconnected by four arc communicating pipes 13
Its internal hydraulic pressure is equal everywhere, so that the piston plate 7 in its excess-three circle ram pot 6 is lived downwards by hydraulic pressure
It is dynamic, to achieve the purpose that carry out sharing protection to stress shock point, while its excess-three piston plate 7 moves downward, so that right
The connecting column 9 answered acts on corresponding connecting plate 10, pulls down to half arc contact chip 12 of its excess-three, so that
Four and half arc contact chips 12 are preferably contacted with ground, to achieve the purpose that protect drone body 4, simultaneously
Contact impact point half arc contact chip 12 by excessive impact force after, four round 6, four arc communicating pipes of ram pot
13 and radially connected pipe 14 it is interconnected inner cavity hydraulic pressures it is excessive after, the fluid of inner cavity carries out automatic pressure relief valve 17
Impact, reaches the critical pressure release value of automatic pressure relief valve 17, so that the used drain pipe 16 of the fluid of inner cavity is discharged, to reach to mistake
Hydraulic pressures caused by large impact power carry out buffering unloading, and flexible connector 11 carries out elastic limit to corresponding connecting plate 10
Position, prevents half arc contact chip 12 from being rotated when by extraneous radial impact force.
Claims (6)
1. a kind of frame structure for unmanned plane protection, including hollow disk (1), it is characterised in that: the hollow disk (1)
Top annular array distribution there are four arc connection sheet (2), be fixedly connected with installation between four arc connection sheets (2)
The upper surface of plate (3), the mounting plate (3) is fixedly connected with drone body (4), the bottom surface of the hollow disk (1)
Annular is opened up there are four connectivity slot (5), and there are four round ram pots for the intracavity bottom annular array distribution of the hollow disk (1)
(6), the inner sidewall of four connectivity slots (5) is arranged in a one-to-one correspondence with four round ram pots (6) respectively, and four circles are hydraulic
It being provided with piston plate (7) on the inside of cylinder (6), the outer side edges of four piston plates (7) are socketed with Moveable seal cartridge (8),
The outer side edges of the Moveable seal cartridge (8) are in contact with the inner sidewall of corresponding round ram pot (6), four piston plates
(7) lower surface middle position is fixedly connected to connecting column (9), and the bottom of four round ram pots (6) offers
The inner sidewall of movable through-hole (20), four movable through-holes (20) is fixedly connected to sealing ring (21), four connections
The bottom end of column (9) extends through the inside of corresponding movable through-hole (20) and interspersed sealing ring (21), the connecting column
(9) inside that end extends to corresponding connectivity slot (5) is fixedly connected with connecting plate (10), and the connecting plate (10) is located at phase
The underface of corresponding connectivity slot (5) is fixedly connected between the upper surface of the connecting plate (10) and the bottom of round ram pot (6)
Flexible connector (11), the lower surface of the connecting plate (10) are fixedly connected with half arc contact chip (12), four circles
The annular outer side wall of ram pot (6) is opened up there are two communication port, passes through communication port between adjacent two round ram pots (6)
Fixation is communicated with arc communicating pipe (13), and four arc communicating pipes (13) and four round ram pots (6) form circle
Shape, the arc shaped inside tube wall of four arc communicating pipes (13) offer radial through-hole, fix at four radial through-hole
It is connected with radial communication pipe (14), is fixedly connected with annular five-way joint between the end of four radial communication pipes (14)
(15), it is fixedly connected with drain pipe (16) at the bottom port of the annular five-way joint (15), the end of the drain pipe (16)
End runs through the inside bottom of hollow disk (1) and extends to the outside of hollow disk (1), and the drain pipe (16) is in hollow disk
(1) inboard portion is fixedly installed with automatic pressure relief valve (17), is offered at the bottom contact plane of the half arc contact chip (12)
The inside of mounting groove (18), the mounting groove (18) is connected with ball (19) by movable thin axis.
2. a kind of frame structure for unmanned plane protection according to claim 1, it is characterised in that: the arc connection
It is bolted to connection between piece (2) and hollow disk (1), between four arc connection sheets (2) and mounting plate (3)
It is bolted to connection.
3. a kind of frame structure for unmanned plane protection according to claim 1, it is characterised in that: the half arc contact
Piece (12) is quadrant arcs, and the bottom surface of the half arc contact chip (12) is plane, four half arc contact chips
(12) circular array is distributed in the underface of hollow disk (1), and the half arc contact chip (12) uses 60Si2Mn spring steel
Matter is made.
4. a kind of frame structure for unmanned plane protection according to claim 1, it is characterised in that: the elastic connection
Part (11) uses 65Mn spring steel material, and the cross sectional shape of the flexible connector (11) is Z-shaped, the flexible connector (11)
With a thickness of 2-3 millimeters, each connecting plate (10) is correspondingly connected with two flexible connectors (11), two flexible connectors
(11) about the center symmetric setting for being correspondingly connected with plate (10).
5. a kind of frame structure for unmanned plane protection according to claim 1, it is characterised in that: the piston plate
(7) cross-sectional shape is circle, and the outer diameter of the piston plate (7) is less than round internal diameter 5-8 millimeters of ram pot (6), the work
Disk (7) are filled in be fitted close by Moveable seal cartridge (8) and round ram pot (6).
6. a kind of frame structure for unmanned plane protection according to claim 1, it is characterised in that: the releasing pressure automatically
Valve (17) uses spring automatic pressure relief valve, center ring of four radial communication pipes (14) about annular five-way joint (15)
The setting of shape array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910273602.7A CN110015413A (en) | 2019-04-06 | 2019-04-06 | A kind of frame structure for unmanned plane protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910273602.7A CN110015413A (en) | 2019-04-06 | 2019-04-06 | A kind of frame structure for unmanned plane protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110015413A true CN110015413A (en) | 2019-07-16 |
Family
ID=67190712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910273602.7A Withdrawn CN110015413A (en) | 2019-04-06 | 2019-04-06 | A kind of frame structure for unmanned plane protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110015413A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB599375A (en) * | 1944-08-07 | 1948-03-11 | John Geoffrey Davis | Shock absorber |
| US20110209955A1 (en) * | 2008-07-21 | 2011-09-01 | Goodrich Corporation | Shock strut with pressure relief |
| CN107933899A (en) * | 2017-11-20 | 2018-04-20 | 安徽樵森电气科技股份有限公司 | A kind of damping unmanned plane and its sleeve damping device |
| CN108532475A (en) * | 2018-04-16 | 2018-09-14 | 宿州云宏建设安装有限公司 | A kind of bridge maintenance method |
| CN109432797A (en) * | 2018-12-23 | 2019-03-08 | 杭州大晨显示技术有限公司 | A kind of gliding type unmanned plane with buffering effect |
-
2019
- 2019-04-06 CN CN201910273602.7A patent/CN110015413A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB599375A (en) * | 1944-08-07 | 1948-03-11 | John Geoffrey Davis | Shock absorber |
| US20110209955A1 (en) * | 2008-07-21 | 2011-09-01 | Goodrich Corporation | Shock strut with pressure relief |
| CN107933899A (en) * | 2017-11-20 | 2018-04-20 | 安徽樵森电气科技股份有限公司 | A kind of damping unmanned plane and its sleeve damping device |
| CN108532475A (en) * | 2018-04-16 | 2018-09-14 | 宿州云宏建设安装有限公司 | A kind of bridge maintenance method |
| CN109432797A (en) * | 2018-12-23 | 2019-03-08 | 杭州大晨显示技术有限公司 | A kind of gliding type unmanned plane with buffering effect |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190716 |