CN109941438A - A kind of unpowered self adaption uniform velocity safe falling device - Google Patents
A kind of unpowered self adaption uniform velocity safe falling device Download PDFInfo
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- CN109941438A CN109941438A CN201910338817.2A CN201910338817A CN109941438A CN 109941438 A CN109941438 A CN 109941438A CN 201910338817 A CN201910338817 A CN 201910338817A CN 109941438 A CN109941438 A CN 109941438A
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- rotor
- blade
- support column
- uniform velocity
- falling device
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- 239000000463 material Substances 0.000 claims abstract description 50
- 238000009434 installation Methods 0.000 claims 1
- 230000007423 decrease Effects 0.000 abstract description 16
- 230000005484 gravity Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 229920002457 flexible plastic Polymers 0.000 description 3
- 239000002985 plastic film Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001727 in vivo Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 241000222712 Kinetoplastida Species 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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Abstract
The invention proposes a kind of unpowered self adaption uniform velocity safe falling devices, blade group is connected by connecting rod with the first rotor of the support column upper half, supporting body is connected by connecting rope with the second rotor of support column lower half, material can be placed in supporting body and be delivered, blade group can rotate automatically when material being followed to decline, blade group has downward thrust to air when rotating, air has reversed resistance to blade group, the resistance and material decrease speed are proportional, as material decrease speed increases, resistance increases, when air drag reaches the gravity of whole material, can remain a constant speed decline when the decline of whole material, the speed that material drops to bottom surface will not be too fast, it is not damaged when can guarantee material decline.Entire delivery process of the invention is easy to operate, need to only be placed on material on supporting body and deliver, may be used at the applications such as fire-fighting material secure delivery.
Description
Technical field
The present invention relates to material delivery technology field, especially a kind of unpowered self adaption uniform velocity safe falling device.
Background technique
Current high-altitude goods and materials release manner mostly uses lifting rope to deliver, and lifting rope when delivery needs successively to complete folding and unfolding, object
Material is delivered inefficient.When encountering fire-fighting and rescue, material needs to launch in time, and above-mentioned lifting rope release manner cannot be timely
It completes.High-altitude material delivery can be applicable to multiple fields place, common are emergency materials deliver, fire-fighting and rescue goods and materials deliver and
Entertainment selection delivery etc..In order to improve goods and materials efficiency, we have a kind of thinking, utilize windmill structure principle, blade rotation decline
When can be delivered material using blade by a certain size air drag, the speed that such material falls is not too big, and material is thrown
It is not susceptible to damage after passing, entire delivery process is not necessarily to external impetus, can effectively improve the delivery efficiency of material.It is above-mentioned to solve
Problem, it to include blade, support column and loading body, object that we have invented a kind of unpowered self adaption uniform velocity safe falling devices
Material can be placed in loading in vivo, when delivering material landing, air the resistance of rotating vane is accelerated with device decrease speed and
Be gradually increased to device entirety gravitational equilibrium, reaching can make after equilibrium state material remain a constant speed landing.
Summary of the invention
The invention proposes a kind of unpowered self adaption uniform velocity safe falling devices, include blade, support column and loading
Body, material can be placed in loading in vivo, and when delivering material landing, air is to the resistance of rotating vane as device decrease speed adds
It is fast and be gradually increased to device entirety gravitational equilibrium, material can be made to remain a constant speed landing.
The technical scheme of the present invention is realized as follows: a kind of unpowered self adaption uniform velocity safe falling device, includes
Support column, the first rotor for being mounted on the support column upper half and the second rotor for being mounted on support column lower half, described
One rotor and the second rotor are fixed on the support columns by a pair of of locking cap respectively, and position is equipped with convex among the support column
Block, first rotor contradict on convex block top surface, and second rotor contradicts on convex block bottom surface；First rotor
It is connected with blade group by connecting rod, the blade group is located at the surface of the first rotor, and the blade group can follow first
Rotor rotates on the support columns together；Second rotor is connected with supporting body by connecting rope, and the supporting body is available
To hold material.
Further have, the support top end and bottom end offer external screw thread respectively, and the locking cap inner hole offers
Internal screw thread, the internal screw thread of the locking cap match connection with the external screw thread of support column；The locking cap and the first rotor and
Gasket is also separately installed between two rotors.
Further have, first rotor is thrust ball bearing structure, and first rotor includes seat ring, steel
Ball retainer and thrust circle；The structure of second rotor is equal to the first rotor, the connecting rod and connecting rope difference
It is connected on the seat ring of the first rotor and the second rotor.
Further have, the seat ring offers connecting hole, the connecting hole to bracing ring is externally provided on the bracing ring
It is inside equipped with and withholds, what the connecting rod and connecting rope were connected to the first rotor and the second rotor withholds connection.
Further have, the blade group includes the blade of a plurality of circumferentially spaced distortion on connecting pin and connecting pin.
Further have, the blade is in heeling condition, the blade outer end offer mounting hole obliquely；The blade
For flexible plastic sheet, blade can be along connecting pin elasticity fold outward.
Further having, the connection boom end, which is equipped with, opens threaded connector, and the connector bottom is equipped with block,
The connector is connected with nut after passing through mounting hole, is also cased with rubber pad between the nut and blade.
Further have, the supporting body is chosen as barrel structure or Suspension hook structure, is equipped in barrel structure bottom slow
Punching pad.
Further have, the support column offers through-hole along central axis；The connecting rod is hollow tube body.
Using above-mentioned technical proposal, the invention has the benefit that
The present invention is unpowered self adaption uniform velocity safe falling device, and blade group passes through connecting rod and the support column upper half
First rotor is connected, and supporting body is connected by connecting rope with the second rotor of support column lower half, and material can be placed
It is delivered in supporting body, can be rotated automatically when blade group follows material to decline, blade group has air when rotating downward
Thrust, air have reversed resistance to blade group, and the resistance and material decrease speed are proportional, with material decrease speed
Increase, resistance increases, and when air drag reaches the gravity of whole material, whole material can remain a constant speed decline when declining, object
The speed that material drops to bottom surface will not be too fast, it is ensured that material is not damaged when declining.Entire delivery process operation of the invention
Simply, material need to be only placed on supporting body and is delivered, may be used at the applications such as fire-fighting material secure delivery.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram that blade of the invention turns down；
Fig. 3 is the fractionation structural representation of Fig. 2；
Wherein: 1. support columns, 2. first rotors, 3. second rotors, 4. locking caps, 5. convex blocks, 6. connecting rods, 7. leaves
Piece group, 8. connecting ropes, 9. supporting bodies, 10. gaskets, 11. seat rings, 12. retainers, 13. thrust circles, 14. bracing rings, 15. connections
Hole, 16. withhold, 17. connecting pins, 18. blades, 19. mounting holes, 20. connectors, 21. blocks, 22. nuts, 23. rubber pads,
24. cushion.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, Figure 2 and Figure 3, a kind of unpowered self adaption uniform velocity safe falling device includes support column 1, peace
The first rotor 2 mounted in 1 upper half of support column and the second rotor 3 for being mounted on 1 lower half of support column, described first rotates
Body 2 and the second rotor 3 are fixed on support column 1 by a pair of of locking cap 4 respectively, and the intermediate position of the support column 1 is equipped with convex block
5, first rotor 2 contradicts on 5 top surface of convex block, and second rotor 3 contradicts on 5 bottom surface of convex block；Described first turn
Kinetoplast 2 is connected with blade group 7 by connecting rod 6, and the blade group 7 is located at the surface of the first rotor 2, the blade group 7
The first rotor 2 can be followed to rotate on support column 1 together；Second rotor 3 is connected with supporting body 9 by connecting rope 8,
The supporting body 9 can be used to hold material.
1 top of support column of the present embodiment and bottom end offer external screw thread respectively, and 4 inner hole of locking cap offers interior spiral shell
The internal screw thread of line, the locking cap 4 matches connection with the external screw thread of support column 1；The locking cap 4 and the first rotor 2 and
Gasket 10 is also separately installed between two rotors 3.Thread connecting mode is used between locking cap 4 and support column 1, it is easy to assembly
Reliably.
First rotor 2 of the present embodiment is thrust ball bearing structure, and first rotor 2 includes seat ring 11, steel
Ball retainer 12 and thrust circle 13；The structure of second rotor 3 is equal to the first rotor 2, the connecting rod 6 and connection
Rope 8 is connected on the seat ring 11 of the first rotor 2 and the second rotor 3.Seat ring 11 is to being externally provided with bracing ring 14, the branch
Connecting hole 15 is offered on support ring 14, is equipped in the connecting hole 15 and is withheld 16, the connecting rod 6 and connecting rope 8 connect respectively
It connects and withholds 16 connections in the first rotor 2 and the second rotor 3.The structure of first rotor 2 and the second rotor 3 is to push away
Power ball bearing structure, when carrying different materials, change in friction force when blade group 7 rotates is little, and material can also be when declining
Adaptive rotation adjustment on second rotor 3.
The blade group 7 of the present embodiment includes the blade of a plurality of circumferentially spaced distortion on connecting pin 17 and connecting pin 17
18, blade 18 is in heeling condition, 18 outer end of blade offer mounting hole 19 obliquely.Blade 18 of the invention is elastoplastic
Piece, blade 18 can be along the elasticity folds outward of connecting pin 17, and the quantity of blade 18 is preferably three.Deliver the material of different weight
When, weight of material is bigger, and the subtended angle that blade 18 turns down outward is bigger, blade 18 can by subtended angle that self-control turns down outward come
Fast-Balance guarantees material energy uniform descent.
6 end of connecting rod of the present embodiment, which is equipped with, opens threaded connector 20, and 20 bottom of connector is equipped with block
21, the connector 20 is connected with nut 22 after passing through mounting hole 19, is also cased with rubber pad between the nut 22 and blade 18
23.When delivering material, fold deformation can occur for blade 18, and rubber pad 23 plays effective buffer function, blade 18 and connecting rod 6 it
Between can securely connect.
The supporting body 9 of the present embodiment is barrel structure, is equipped with cushion 24 in barrel structure bottom, material, which is placed on, to be hung
It is not easy in basket, and cushion 24 plays the role of landing and buffering.Supporting body 9 of the invention is also chosen as Suspension hook structure, uses
Material is delivered in lifting.
The support column 1 of the present embodiment offers through-hole along central axis；The connecting rod 6 is hollow tube body.1 He of support column
Connecting rod 6 is all tubular structure, can reduce the weight of landing equipment, effectively increases the weight of carrying material.
Basic principle of the invention is as follows:
Blade 18 is twist structured flexible plastic sheet, and blade 18 has flexible deformation and restores the ability of flexible deformation,
For the original state of blade 18 in tilting obliquely upward, blade 18 can turn down expansion outward to increase 18 vertical direction of blade when declining
Forced area.Blade 18 declines forced area and blade 18 of the process by upward air drag and 18 vertical direction of blade
Decrease speed is proportional.
Under the effect of gravity, the incipient stage can accelerate to decline the device of the invention, and blade 18 is gradually increased by air drag
Greatly, due to the flexible plastic sheet that blade 18 is distortion, blade 18 accelerates rotation and can generate centrifugal force, and blade 18 is in centrifugal force
The subtended angle turned down outward under effect increases, and blade 18 increases in the windward side of vertical direction, so that blade 18 is by upward resistance
Power increases, and when the resistance of blade 18 increases to the gravity of device entirety, blade 18 and device integrally reach equilibrium state, device
Can remain a constant speed decline.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of unpowered self adaption uniform velocity safe falling device, which is characterized in that include support column (1), be mounted on support
First rotor (2) of column (1) upper half and the second rotor (3) for being mounted on support column (1) lower half, first rotation
Body (2) and the second rotor (3) are fixed on support column (1) by a pair of of locking cap (4) respectively, support column (1) middle part
Position is equipped with convex block (5), and first rotor (2) contradicts on convex block (5) top surface, and second rotor (3) contradicts in convex block
(5) on bottom surface；First rotor (2) is connected with blade group (7) by connecting rod (6), and the blade group (7) is located at first
The surface of rotor (2), the blade group (7) can follow the first rotor (2) to rotate on support column (1) together；It is described
Second rotor (3) is connected with supporting body (9) by connecting rope (8), and the supporting body (9) can be used to hold material.
2. a kind of unpowered self adaption uniform velocity safe falling device according to claim 1, which is characterized in that the support
Column (1) top and bottom end offer external screw thread respectively, and locking cap (4) inner hole offers internal screw thread, the locking cap (4)
Internal screw thread matches connection with the external screw thread of support column (1)；The locking cap (4) and the first rotor (2) and the second rotor (3)
Between be also separately installed with gasket (10).
3. a kind of unpowered self adaption uniform velocity safe falling device according to claim 1, which is characterized in that described first
Rotor (2) is thrust ball bearing structure, and first rotor (2) includes seat ring (11), ball retainer (12) and pushes away
Power circle (13)；The structure of second rotor (3) is equal to the first rotor (2), the connecting rod (6) and connecting rope (8)
It is connected on the seat ring (11) of the first rotor (2) and the second rotor (3).
4. a kind of unpowered self adaption uniform velocity safe falling device according to claim 3, which is characterized in that the seat ring
(11) it to being externally provided with bracing ring (14), is offered connecting hole (15) on the bracing ring (14), installation in the connecting hole (15)
It withholds (16), the connecting rod (6) and connecting rope (8) are connected to hanging for the first rotor (2) and the second rotor (3)
Detain (16) connection.
5. a kind of unpowered self adaption uniform velocity safe falling device according to claim 1, which is characterized in that the blade
Group (7) includes the blade (18) of a plurality of circumferentially spaced distortion on connecting pin (17) and connecting pin (17).
6. a kind of unpowered self adaption uniform velocity safe falling device according to claim 5, which is characterized in that the blade
(18) in heeling condition, blade (18) outer end offer mounting hole (19) obliquely；The blade (18) is elastoplastic
Piece, blade (18) can be along connecting pin (17) elasticity folds outward.
7. a kind of unpowered self adaption uniform velocity safe falling device according to claim 6, which is characterized in that the connection
Bar (6) end is equipped with and opens threaded connector (20), and connector (20) bottom is equipped with block (21), the connector
(20) it is connected with nut (22) after passing through mounting hole (19), is also cased with rubber pad between the nut (22) and blade (18)
(23)。
8. a kind of unpowered self adaption uniform velocity safe falling device according to claim 1, which is characterized in that the carrying
Body (9) is chosen as barrel structure, and the barrel structure bottom is equipped with cushion (24).
9. a kind of unpowered self adaption uniform velocity safe falling device according to claim 1, which is characterized in that the support
Column (1) offers through-hole along central axis；The connecting rod (6) is hollow tube body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910338817.2A CN109941438A (en) | 2019-04-25 | 2019-04-25 | A kind of unpowered self adaption uniform velocity safe falling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910338817.2A CN109941438A (en) | 2019-04-25 | 2019-04-25 | A kind of unpowered self adaption uniform velocity safe falling device |
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| Publication Number | Publication Date |
|---|---|
| CN109941438A true CN109941438A (en) | 2019-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910338817.2A Pending CN109941438A (en) | 2019-04-25 | 2019-04-25 | A kind of unpowered self adaption uniform velocity safe falling device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4709881A (en) * | 1986-07-09 | 1987-12-01 | Faraz Rafikian | Safety lowering or descent parachute system for disabled helicopters and other similar types of hovering aircraft |
| US6164594A (en) * | 1997-10-08 | 2000-12-26 | Etienne Lacroix Tous Artifices S.A. | Device for braking the fall of a load |
| CA2548935A1 (en) * | 2006-05-19 | 2007-11-19 | Ilia Drinfeld | Autorotator for landing |
| US20090206195A1 (en) * | 2006-12-20 | 2009-08-20 | The Boeing Company | Rotating air cargo delivery system and method of construction |
| US20090218439A1 (en) * | 2007-04-09 | 2009-09-03 | Bae Systems Information And Electronic Systems Integration Inc. | Covert sensor emplacement using autorotational delivery mechanism |
| CN108423183A (en) * | 2018-05-15 | 2018-08-21 | 惠州市兴鲁节能科技有限公司 | A kind of folding rotor parachute |
| CN209739354U (en) * | 2019-04-25 | 2019-12-06 | 江苏航运职业技术学院 | Unpowered self-adaptive uniform-speed safe landing device |
-
2019
- 2019-04-25 CN CN201910338817.2A patent/CN109941438A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4709881A (en) * | 1986-07-09 | 1987-12-01 | Faraz Rafikian | Safety lowering or descent parachute system for disabled helicopters and other similar types of hovering aircraft |
| US6164594A (en) * | 1997-10-08 | 2000-12-26 | Etienne Lacroix Tous Artifices S.A. | Device for braking the fall of a load |
| CA2548935A1 (en) * | 2006-05-19 | 2007-11-19 | Ilia Drinfeld | Autorotator for landing |
| US20090206195A1 (en) * | 2006-12-20 | 2009-08-20 | The Boeing Company | Rotating air cargo delivery system and method of construction |
| US20090218439A1 (en) * | 2007-04-09 | 2009-09-03 | Bae Systems Information And Electronic Systems Integration Inc. | Covert sensor emplacement using autorotational delivery mechanism |
| CN108423183A (en) * | 2018-05-15 | 2018-08-21 | 惠州市兴鲁节能科技有限公司 | A kind of folding rotor parachute |
| CN209739354U (en) * | 2019-04-25 | 2019-12-06 | 江苏航运职业技术学院 | Unpowered self-adaptive uniform-speed safe landing device |
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