CN113353259A - Squirt buffer gear for fire control unmanned aerial vehicle - Google Patents
Squirt buffer gear for fire control unmanned aerial vehicle Download PDFInfo
- Publication number
- CN113353259A CN113353259A CN202110549321.7A CN202110549321A CN113353259A CN 113353259 A CN113353259 A CN 113353259A CN 202110549321 A CN202110549321 A CN 202110549321A CN 113353259 A CN113353259 A CN 113353259A
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- China
- Prior art keywords
- unmanned aerial
- aerial vehicle
- water gun
- guide sleeve
- wheel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C39/00—Aircraft not otherwise provided for
- B64C39/02—Aircraft not otherwise provided for characterised by special use
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/02—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D1/00—Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
- B64D1/16—Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting
- B64D1/18—Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting by spraying, e.g. insecticides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D47/00—Equipment not otherwise provided for
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Ecology (AREA)
- Mechanical Engineering (AREA)
- Acoustics & Sound (AREA)
- Biodiversity & Conservation Biology (AREA)
- Physics & Mathematics (AREA)
- Forests & Forestry (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Pest Control & Pesticides (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention provides a water gun buffer mechanism for a fire-fighting unmanned aerial vehicle, which comprises a hanger frame, wherein the hanger frame is arranged below the unmanned aerial vehicle and comprises a first guide rod, hanging rods are fixedly arranged at two ends of the first guide rod respectively, a first guide sleeve is sleeved on the first guide rod, a buffer spring is arranged between the first guide sleeve and one of the hanging rods, and the buffer spring is sleeved on the first guide rod; the water gun body is fixedly connected with a first guide sleeve, and the axis of the water gun body is parallel to the axis of the first guide sleeve; the water pipe, its one end is connected with unmanned aerial vehicle's organism, and the other end and squirt tip intercommunication, it includes the U-shaped section, and the wheel of supporting is put to the unmanned aerial vehicle below, and the wheel of supporting can be followed the length direction motion of first guide bar, and supports the wheel and tightly support on the U-shaped section of water pipe. According to the invention, the deformation of the buffer spring is adopted to absorb the reaction force generated during water flow injection, so that the attitude change of the unmanned aerial vehicle is reduced, and meanwhile, the propping wheels are adopted to support the water pipe, so that the water pipe is prevented from drooping and shaking during the flight of the unmanned aerial vehicle, and the influence on the gravity center of the unmanned aerial vehicle is prevented.
Description
Technical Field
The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to a water gun buffering mechanism for a fire-fighting unmanned aerial vehicle.
Background
With the development of unmanned aerial vehicle technology, when danger occurs, in order to guarantee the life safety of people and rescue personnel, the unmanned aerial vehicle is put into use in a plurality of rescue works, and in the field of fire fighting, when a fire source is in a high-rise building, fire fighting forces can utilize the fire fighting unmanned aerial vehicle to extinguish fire, the fire fighting unmanned aerial vehicle can carry a water tank, and the water gun is used for spraying water to the ignition point, but the prior water gun is used in the initial stage, because the water leaving the water gun needs to be provided with an initial speed to ensure that the water is sprayed to a target, the water leaving the water gun can cause a counterforce to the water gun, the body of the unmanned aerial vehicle tilts backwards and shakes, the unmanned aerial vehicle is required to control the fire-fighting unmanned aerial vehicle to increase the posture through self algorithm or ground, however, as a result, part of water cannot be emitted to the target, water source waste is caused, and meanwhile, the fire extinguishing time is prolonged; and need utilize the water pipe to link to each other between squirt and the water tank, at unmanned aerial vehicle's flight in-process, rocking of water pipe leads to unmanned aerial vehicle focus unstability equally easily, reduces unmanned aerial vehicle's flight performance.
Disclosure of Invention
In view of the above, the present invention is directed to a buffering mechanism of a water gun for a fire-fighting unmanned aerial vehicle, so as to reduce the inclination of the body of the water gun when the water gun receives a counterforce.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a water gun buffer mechanism for fire-fighting unmanned aerial vehicle comprises
The suspension bracket is arranged below the unmanned aerial vehicle and comprises a first guide rod, suspenders are fixedly arranged at two ends of the first guide rod respectively, a first guide sleeve is sleeved on the first guide rod, a buffer spring is arranged between the first guide sleeve and one of the suspenders, and the buffer spring is sleeved on the first guide rod;
the water gun body is fixedly connected with the first guide sleeve, and the axis of the water gun body is parallel to the axis of the first guide sleeve;
the water pipe, its one end is connected with unmanned aerial vehicle's organism, and the other end and squirt tip intercommunication, it includes the U-shaped section, the wheel of supporting is put to the unmanned aerial vehicle below, the wheel of supporting can be followed the length direction motion of first guide bar, just support the wheel tightly to support on the U-shaped section of water pipe.
Furthermore, the abutting wheel is rotatably connected to a wheel carrier, a second guide rod extends out of the wheel carrier in the direction away from the abutting wheel, a second guide sleeve is fixedly arranged above the water gun body, the second guide rod is inserted into the second guide sleeve, a compensation spring is sleeved on the second guide rod, one end of the compensation spring abuts against the wheel carrier, and the other end of the compensation spring abuts against the second guide sleeve.
Furthermore, the gallows has two sets ofly, and two sets of gallows are as to squirt body both sides respectively.
Further, the progress coefficient of the buffer spring is larger than the stiffness coefficient of the compensation spring.
Furthermore, one end of the water gun body close to the water pipe extends upwards to form a stand column, and the second guide sleeve is fixedly connected with the water gun body through the stand column.
Furthermore, when the water gun body moves towards the direction of the water pipe, the guide wheel moves towards the direction of the second guide sleeve.
Furthermore, the edge of the top-supporting wheel is circumferentially provided with a V-shaped groove, and the U-shaped section of the water pipe is arranged in the V-shaped groove.
Compared with the prior art, the buffering mechanism of the water gun for the fire-fighting unmanned aerial vehicle has the following advantages:
according to the invention, the deformation of the buffer spring is adopted to absorb the reaction force generated during water flow injection, so that the attitude change of the unmanned aerial vehicle is reduced, and meanwhile, the propping wheels are adopted to support the water pipe, so that the water pipe is prevented from drooping and shaking during the flight of the unmanned aerial vehicle, and the influence on the gravity center of the unmanned aerial vehicle is prevented.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of a fire-fighting unmanned aerial vehicle and a water gun buffer mechanism in cooperation (in the figure, for the convenience of clearly showing the buffer structure, a fire-fighting unmanned aerial vehicle body mechanism is indicated by a square block);
fig. 2 is a schematic view of the buffer mechanism cooperating with the water pipe.
Description of reference numerals:
1-a hanger; 11-a first guide bar; 12-a boom; 13-a first guide sleeve; 14-a buffer spring; 2-water gun body; 3-a water pipe; 31-U-shaped section; 4-a compensation unit; 41-an abutting wheel; 42-a second guide bar; 43-a second guide sleeve; 44-a compensation spring; 45-wheel carrier; 46-a column; 5-unmanned aerial vehicle body.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The invention relates to a water gun buffer mechanism for a fire-fighting unmanned aerial vehicle, which comprises an unmanned aerial vehicle body, wherein two groups of hanging brackets 1 and a water gun body 2 are fixedly arranged below the unmanned aerial vehicle body, each hanging bracket 1 comprises a first guide rod 11 and hanging rods 12 extending upwards from two ends of the first guide rod 11, the top ends of the hanging rods 12 are fixedly connected with the unmanned aerial vehicle body, the two ends of each first guide rod 11 are respectively and fixedly provided with the hanging rods 12, the first guide rod 11 is sleeved with a first guide sleeve 13, a buffer spring 14 is arranged between each first guide sleeve 13 and one hanging rod 12, the buffer spring 14 is sleeved on the first guide rod 11, and the axis of the water gun body 2 is parallel to the axis of the first guide sleeve 13; when the water gun body 2 sprays water flow outwards, the water gun body 2 moves backwards along the guide rod to compress the spring, so that the spring deforms, and partial kinetic energy is absorbed, so that the posture change of the unmanned aerial vehicle is reduced;
the technical personnel in the field should know that the unmanned aerial vehicle body and the water gun are communicated through the water pipe 3, the water gun buffer mechanism further comprises a compensation unit 4, the water pipe 3 is bent outwards at the rear part of the unmanned aerial vehicle to form a U-shaped section 31, the compensation unit 4 comprises a propping wheel 41, the propping wheel 41 can move along the length direction of the first guide rod 11, the propping wheel 41 tightly props against the U-shaped section 31 of the water pipe 3, specifically, the propping wheel 41 is rotationally connected to a wheel carrier 45, the wheel carrier 45 extends out of a second guide rod 42 in the direction far away from the propping wheel 41, a second guide sleeve 43 is fixedly arranged above the water gun body 2, specifically, an upright column 46 extends upwards from one end of the water gun body 2 close to the water pipe 3, the second guide sleeve 43 is fixedly connected with the water gun body 2 through the upright column 46, and the second guide rod 42 is inserted into the second guide sleeve 43, and the second guide rod 42 is sleeved with a compensation spring 44, one end of the compensation spring 44 abuts against a wheel carrier 45, the other end abuts against a second guide sleeve 43, when the water gun is in a natural state, the compensation spring 44 is in a natural state, when the water gun sprays water outwards, the water gun moves backwards along the guide rod, so that the U-shaped section 31 of the water pipe 3 moves backwards, and simultaneously the second guide sleeve 43 and the water gun body 2 synchronously move backwards to extrude the compensation spring 44, so that the abutting wheel 41 moves backwards, and because the distance of the backward movement of the second guide sleeve 43 is greater than the movement distance of the U-shaped section 31, the compensation spring 44 is extruded, so that the kinetic energy of the water gun body 2 is further absorbed, the problems of shaking and the like caused by the sagging of the water pipe 3 are avoided, in order to avoid the excessive force of the compensation spring 44 to cause the damage of the water pipe 3, the progress coefficient of the buffer spring 14 is greater than the stiffness coefficient of the compensation spring 44, when the water gun body 2 moves towards the direction of the water pipe 3, the guide wheel moves towards the direction of the second guide sleeve 43.
In order to prevent the water pipe 3 and the abutting wheel 41 from falling off, the abutting wheel 41 is circumferentially provided with a V-shaped groove, and the U-shaped section 31 of the water pipe 3 is arranged in the V-shaped groove.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The utility model provides a squirt buffer gear for fire control unmanned aerial vehicle which characterized in that: comprises that
The unmanned aerial vehicle lifting device comprises a lifting frame (1) arranged below an unmanned aerial vehicle, wherein the lifting frame (1) comprises a first guide rod (11), hanging rods (12) are fixedly arranged at two ends of the first guide rod (11) respectively, a first guide sleeve (13) is sleeved on the first guide rod (11), a buffer spring (14) is arranged between the first guide sleeve (13) and one of the hanging rods (12), and the buffer spring (14) is sleeved on the first guide rod (11);
the water gun body (2), the first guide sleeve (13) is fixedly connected with the water gun body (2), and the axis of the water gun body (2) is parallel to the axis of the first guide sleeve (13);
water pipe (3), its one end is connected with unmanned aerial vehicle's organism, and the other end communicates with squirt tip, and it includes U-shaped section (31), unmanned aerial vehicle below is put to knock wheel (41), the length direction motion that first guide bar (11) can be followed to knock wheel (41), just it tightly supports on U-shaped section (31) of water pipe (3) to knock wheel (41).
2. The buffering mechanism of the water gun for the fire-fighting unmanned aerial vehicle as claimed in claim 1, wherein: the supporting wheel (41) is rotatably connected to a wheel frame (45), the wheel frame (45) extends a second guide rod (42) in the direction away from the supporting wheel (41), a second guide sleeve (43) is further fixedly arranged above the water gun body (2), the second guide rod (42) is inserted into the second guide sleeve (43), a compensation spring (44) is sleeved on the second guide rod (42), one end of the compensation spring (44) is supported on the wheel frame (45), and the other end of the compensation spring (44) is supported on the second guide sleeve (43).
3. The buffering mechanism of the water gun for the fire-fighting unmanned aerial vehicle as claimed in claim 1, wherein: the two groups of hanging brackets (1) are respectively arranged on two sides of the water gun body (2).
4. The buffering mechanism of the water gun for the fire-fighting unmanned aerial vehicle as claimed in claim 2, wherein: the spring rate of the damping spring (14) is greater than the stiffness rate of the compensation spring (44).
5. The buffering mechanism of the water gun for the fire-fighting unmanned aerial vehicle as claimed in claim 2, wherein: one end of the water gun body (2) close to the water pipe (3) extends upwards to form an upright column (46), and the second guide sleeve (43) is fixedly connected with the water gun body (2) through the upright column (46).
6. The buffering mechanism of the water gun for the fire-fighting unmanned aerial vehicle as claimed in claim 2, wherein: when the water gun body (2) moves towards the direction of the water pipe (3), the guide wheel moves towards the direction of the second guide sleeve (43).
7. The buffering mechanism of the water gun for the fire-fighting unmanned aerial vehicle as claimed in claim 1, wherein: the pushing wheel (41) is circumferentially provided with a V-shaped groove, and the U-shaped section (31) of the water pipe (3) is arranged in the V-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110549321.7A CN113353259B (en) | 2021-05-20 | 2021-05-20 | Water gun buffer gear for fire control unmanned aerial vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110549321.7A CN113353259B (en) | 2021-05-20 | 2021-05-20 | Water gun buffer gear for fire control unmanned aerial vehicle |
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| Publication Number | Publication Date |
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| CN113353259A true CN113353259A (en) | 2021-09-07 |
| CN113353259B CN113353259B (en) | 2023-06-23 |
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| CN202110549321.7A Active CN113353259B (en) | 2021-05-20 | 2021-05-20 | Water gun buffer gear for fire control unmanned aerial vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114162325A (en) * | 2021-11-12 | 2022-03-11 | 湖南千牛无人机科技有限公司 | Stabilising arrangement based on spray tube sprays unmanned aerial vehicle |
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| CN112190856A (en) * | 2020-09-29 | 2021-01-08 | 安徽茗达专用汽车制造有限公司 | Intelligent fire-fighting disaster relief unmanned aerial vehicle |
| CN213200941U (en) * | 2020-09-22 | 2021-05-14 | 杭州宏伟压力容器制造有限公司 | Chemical raw material storage tank convenient to it is clean |
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| US5699862A (en) * | 1994-06-06 | 1997-12-23 | Rey; Claude | Foam generating device for fire-fighting helicopter |
| CN207445389U (en) * | 2017-11-14 | 2018-06-05 | 全球鹰（深圳）无人机有限公司 | High-altitude unmanned plane and fire-extinguishing |
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| CN114162325A (en) * | 2021-11-12 | 2022-03-11 | 湖南千牛无人机科技有限公司 | Stabilising arrangement based on spray tube sprays unmanned aerial vehicle |
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| CN113353259B (en) | 2023-06-23 |
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