CN113353259B - Water gun buffer gear for fire control unmanned aerial vehicle - Google Patents

Water gun buffer gear for fire control unmanned aerial vehicle Download PDF

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Publication number
CN113353259B
CN113353259B CN202110549321.7A CN202110549321A CN113353259B CN 113353259 B CN113353259 B CN 113353259B CN 202110549321 A CN202110549321 A CN 202110549321A CN 113353259 B CN113353259 B CN 113353259B
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China
Prior art keywords
unmanned aerial
aerial vehicle
water gun
guide sleeve
water
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CN202110549321.7A
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Chinese (zh)
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CN113353259A (en
Inventor
高月辉
岳鹍
张月新
唐雨林
孔祥蕊
田海一
贾强
梅锐
李柯言
李士琳
杨建彪
张午忻
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Beidou Anze Defense Technology Co ltd
Tianjin Modern Vocational Technology College
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Beidou Anze Defense Technology Co ltd
Tianjin Modern Vocational Technology College
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Priority to CN202110549321.7A priority Critical patent/CN113353259B/en
Publication of CN113353259A publication Critical patent/CN113353259A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C39/00Aircraft not otherwise provided for
    • B64C39/02Aircraft not otherwise provided for characterised by special use
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/02Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D1/00Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
    • B64D1/16Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting
    • B64D1/18Dropping or releasing powdered, liquid, or gaseous matter, e.g. for fire-fighting by spraying, e.g. insecticides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D47/00Equipment not otherwise provided for
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression 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
    • F16F15/04Suppression 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
    • F16F15/06Suppression 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
    • F16F15/067Suppression 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00Aeronautics or air transport
    • Y02T50/40Weight 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 hanging bracket, wherein the hanging bracket is arranged below the unmanned aerial vehicle, the hanging bracket comprises first guide rods, hanging rods are respectively and fixedly arranged at two ends of each first guide rod, a first guide sleeve is sleeved on each first guide rod, a buffer spring is arranged between each first guide sleeve and one hanging rod, and the buffer spring is sleeved on each first guide rod; the water gun comprises a water gun body, a first guide sleeve and a second guide sleeve, wherein the first guide sleeve is fixedly connected with the water gun body, 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 communicates with the squirt tip, and it includes the U-shaped section, and unmanned aerial vehicle below is provided with the wheel of supporting, and the wheel of supporting can follow the length direction motion of first guide bar, and supports the wheel of supporting tightly on the U-shaped section of water pipe. The invention adopts the deformation of the buffer spring to absorb the reaction force generated during water flow injection, thereby reducing the posture change of the unmanned aerial vehicle, and simultaneously adopts the supporting wheel to support the water pipe so as to prevent the water pipe from sagging and shaking during the flight of the unmanned aerial vehicle and influencing the gravity center of the unmanned aerial vehicle.

Description

Water gun buffer gear for fire control unmanned aerial vehicle
Technical Field
The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to a water gun buffer mechanism for a fire-fighting unmanned aerial vehicle.
Background
Along with the development of unmanned aerial vehicle technology, when danger occurs, in order to guarantee life safety of people and rescue workers, unmanned aerial vehicle is used in many rescue works, in the field of fire control, when a fire source is in a high-rise building, fire fighting armies can extinguish fire by using the unmanned aerial vehicle, the unmanned aerial vehicle usually carries a water tank and sprays water to a fire point by using a water gun of the unmanned aerial vehicle, but in the initial stage of use of the existing water gun, as the water leaving the water gun is required to be provided with an initial speed, the water is ensured to be sprayed to a target, the water can cause a reaction force to the water gun when leaving the water gun, so that the unmanned aerial vehicle body is inclined backwards and rocked, and the unmanned aerial vehicle is required to control the fire fighting unmanned aerial vehicle to adjust and increase the gesture through a self algorithm or the ground, therefore, part of water can not be emitted to the target, water source waste is caused, and the fire extinguishing time is prolonged; moreover, the water gun is connected with the water tank by utilizing a water pipe, so that the gravity center of the unmanned aerial vehicle is unstable due to the shaking of the water pipe in the flight process of the unmanned aerial vehicle, and the flight performance of the unmanned aerial vehicle is reduced.
Disclosure of Invention
In view of the foregoing, the present invention is directed to a water gun buffering mechanism for a fire-fighting unmanned aerial vehicle, so as to reduce tilting of a body when the water gun receives a reaction force.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
a fire control is squirt buffer gear for unmanned aerial vehicle includes
The suspension bracket is arranged below the unmanned aerial vehicle and comprises a first guide rod, suspension rods are respectively and fixedly arranged at two ends of the first guide rod, a first guide sleeve is sleeved on the first guide rod, a buffer spring is arranged between the first guide sleeve and one suspension rod, and the buffer spring is sleeved on the first guide rod;
the water gun comprises a water gun body, a first guide sleeve and a second guide sleeve, wherein the first guide sleeve is fixedly connected with the water gun body, 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 communicates with the squirt tip, and it includes the U-shaped section, the unmanned aerial vehicle below is provided with the wheel that supports, the wheel that supports can follow the length direction motion of first guide bar, just the wheel that supports tightly supports on the U-shaped section of water pipe.
Further, the propping wheel is rotationally connected to a wheel frame, a second guide rod extends out of the wheel frame in a direction away from the propping wheel, a second guide sleeve is further 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 is propped against the wheel frame, and the other end of the compensation spring is propped against the second guide sleeve.
Furthermore, the hanging frames are provided with two groups, and the two groups of hanging frames are respectively arranged at two sides of the water gun body.
Further, the progress coefficient of the buffer spring is larger than the stiffness coefficient of the compensation spring.
Further, the stand column extends upwards from one end of the water gun body, which is close to the water pipe, and the second guide sleeve is fixedly connected with the water gun body through the stand column.
Further, when the water gun body moves towards the water pipe direction, the propping wheel moves towards the second guide sleeve direction.
Further, the propping wheel is provided with a V-shaped groove along the circumference, and the U-shaped section of the water pipe is arranged in the V-shaped groove.
Compared with the prior art, the water gun buffer mechanism for the fire-fighting unmanned aerial vehicle has the following advantages:
the invention adopts the deformation of the buffer spring to absorb the reaction force generated during water flow injection, thereby reducing the posture change of the unmanned aerial vehicle, and simultaneously adopts the supporting wheel to support the water pipe so as to prevent the water pipe from sagging and shaking during the flight of the unmanned aerial vehicle and influencing the gravity center of the unmanned aerial vehicle.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
fig. 1 is a schematic diagram of a buffer mechanism of a fire-fighting unmanned aerial vehicle and a water gun (in the figure, for the sake of clarity of the buffer structure, the fire-fighting unmanned aerial vehicle body mechanism is schematically represented by a block);
fig. 2 is a schematic diagram of the buffer mechanism and the water pipe.
Reference numerals illustrate:
1-a hanging bracket; 11-a first guide bar; 12-hanging rods; 13-a first guide sleeve; 14-a buffer spring; 2-a water gun body; 3-water pipes; 31-U-shaped section; a 4-compensation unit; 41-an abutment wheel; 42-a second guide bar; 43-a second guide sleeve; 44-compensating springs; 45-wheel frame; 46-stand columns; 5-unmanned aerial vehicle body.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication 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 in a specific case.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
The invention discloses a water gun buffer mechanism for a fire-fighting unmanned aerial vehicle, which comprises an unmanned aerial vehicle body, wherein two groups of hangers 1 and a water gun body 2 are fixedly arranged below the unmanned aerial vehicle body, each hanger 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 hanging rods 12 are fixedly arranged at two ends of the first guide rods 11 respectively, a first guide sleeve 13 is sleeved on the first guide rods 11, a buffer spring 14 is arranged between the 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 outwards, the water gun body 2 moves backwards along the guide rod, and compresses the spring, so that the spring is deformed, part of kinetic energy is absorbed, and the attitude change of the unmanned aerial vehicle is reduced;
it should be understood by those skilled in the art that the unmanned plane body is communicated with the water gun through the water pipe 3, the water gun buffer mechanism of the present invention further comprises a compensation unit 4, the water pipe 3 is bent outwards at the rear of the unmanned plane 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 is tightly propped against the U-shaped section 31 of the water pipe 3, specifically, the propping wheel 41 is rotatably connected on a wheel frame 45, the wheel frame 45 extends out of the second guide rod 42 in a direction away from the propping wheel 41, a second guide sleeve 43 is further fixed above the water gun body 2, specifically, one end of the water gun body 2 close to the water pipe 3 extends upwards to form a stand 46, the second guide sleeve 43 is fixedly connected with the water gun body 2 through the stand 46, 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 is propped against the wheel frame 45, the other end is propped against the 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, the second guide sleeve 43 moves backwards synchronously with the water gun body 2, the compensation spring 44 is extruded, so that the propping wheel 41 moves backwards, and as the distance of the backward movement of the second guide sleeve 43 is larger 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, and the shaking problem caused by the sagging of the water pipe 3 is avoided, in order to avoid the excessive force of the compensation spring 44, the water pipe 3 is damaged, the progress coefficient of the buffer spring 14 is larger than the stiffness coefficient of the compensation spring 44, and when the water gun body 2 moves towards the water pipe 3, the propping wheel moves towards the second guide sleeve 43.
In order to prevent the water pipe 3 from falling off from the abutment wheel 41, the abutment wheel 41 is provided with a V-shaped groove along the circumference, and the U-shaped section 31 of the water pipe 3 is arranged in the V-shaped groove.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims (6)

1. Water gun buffer gear for fire control unmanned aerial vehicle, its characterized in that: comprising
The lifting frame (1) is arranged below the unmanned aerial vehicle, the lifting frame (1) comprises a first guide rod (11), hanging rods (12) are respectively and fixedly arranged at two ends of the first guide rod (11), 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 hanging rod (12), and the buffer spring (14) is sleeved on the first guide rod (11);
the water gun comprises a water gun body (2), wherein a 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);
the water pipe (3) is connected with the machine body of the unmanned aerial vehicle at one end and communicated with the end part of the water gun at the other end, and comprises a U-shaped section (31), a propping wheel (41) is arranged below the unmanned aerial vehicle, the propping wheel (41) can move along the length direction of the first guide rod (11), and the propping wheel (41) is tightly propped against the U-shaped section (31) of the water pipe (3);
the supporting wheel (41) is rotationally connected to a wheel frame (45), the wheel frame (45) extends out of a second guide rod (42) towards a 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) abuts against the wheel frame (45), and the other end of the compensation spring abuts against the second guide sleeve (43).
2. The buffering mechanism for a water gun for a fire-fighting unmanned aerial vehicle according to claim 1, wherein: the hanging frames (1) are two groups, and the two groups of hanging frames (1) are respectively arranged at two sides of the water gun body (2).
3. The buffering mechanism for a water gun for a fire-fighting unmanned aerial vehicle according to claim 1, wherein: the rate of progress of the buffer spring (14) is greater than the stiffness coefficient of the compensation spring (44).
4. The buffering mechanism for a water gun for a fire-fighting unmanned aerial vehicle according to claim 1, wherein: one end of the water gun body (2) close to the water pipe (3) extends upwards to form an upright post (46), and the second guide sleeve (43) is fixedly connected with the water gun body (2) through the upright post (46).
5. The buffering mechanism for a water gun for a fire-fighting unmanned aerial vehicle according to claim 1, wherein: when the water gun body (2) moves towards the water pipe (3), the propping wheel moves towards the second guide sleeve (43).
6. The buffering mechanism for a water gun for a fire-fighting unmanned aerial vehicle according to claim 1, wherein: the supporting wheel (41) is provided with a V-shaped groove along the circumference, and the U-shaped section (31) of the water pipe (3) is arranged in the V-shaped groove.
CN202110549321.7A 2021-05-20 2021-05-20 Water gun buffer gear for fire control unmanned aerial vehicle Active CN113353259B (en)

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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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