阅读说明：本技术 一种通用飞机用拉烟装置 (General aircraft is with drawing cigarette device ) 是由 肖明 陈文静 符徐庆 陈博 龚倩玉 于 2020-05-21 设计创作，主要内容包括：本发明属于飞行表演设备技术领域,公开了一种通用飞机用拉烟装置。该通用飞机用拉烟装置,包括壳体,所述壳体的上表面设置有安装挂环,所述壳体内设置有供油机构,所述供油机构包括主油箱、副油箱、抽油泵、供油泵和泄压阀,所述主油箱固定安装在壳体内的左端,且主油箱的注油口位于壳体上表面的左侧并设有油盖。该通用飞机用拉烟装置,主要适用于活塞式发动机航空器,结构简单,成本较低,在使用过程中,副油箱一直处于满油状态,避免了由于飞机机动造成油液面晃动无法抽油的问题,电磁阀可防止管路中存在负压时烟油泄漏,泄压阀可防止管路压力过大而使油管爆裂,大大的提高了本设备的可靠性。(The invention belongs to the technical field of flight performance equipment, and discloses a smoke drawing device for a general airplane. This general aircraft is with drawing cigarette device, including the casing, the upper surface of casing is provided with the installation link, be provided with fuel feeding mechanism in the casing, fuel feeding mechanism includes main tank, bellytank, oil-well pump, fuel feed pump and relief valve, main tank fixed mounting is at the left end in the casing, and the oiling mouth of main tank is located the left side of casing upper surface and is equipped with the oil cap. This general aircraft is with drawing cigarette device mainly is applicable to piston engine airborne vehicle, simple structure, and the cost is lower, and in the use, the bellytank is in full oily state always, has avoided because the aircraft maneuver causes the oil liquid level to rock the problem of unable oil pumping, and the tobacco tar leaks when the solenoid valve can prevent to have the negative pressure in the pipeline, and the relief valve can prevent that pipeline pressure is too big and make oil pipe burst, great improvement the reliability of this equipment.)

1. The utility model provides a general aircraft is with drawing cigarette device, includes casing (1), the upper surface of casing (1) is provided with installation link (2), be provided with fuel feeding mechanism (3), its characterized in that in casing (1): the oil supply mechanism (3) comprises a main oil tank (31), an auxiliary oil tank (32), an oil well pump (33), an oil supply pump (34) and a pressure release valve (35), the main oil tank (31) is fixedly arranged at the left end in the shell (1), an oil filling port of the main oil tank (31) is positioned at the left side of the upper surface of the shell (1) and is provided with an oil cover (36), the auxiliary oil tank (32) is fixedly connected to the bottom wall of the shell (1) and is positioned at the right side of the main oil tank (31), an oil outlet of the main oil tank (31) is communicated with an oil inlet in the middle of the left wall of the auxiliary oil tank (32) through the oil well pump (33), an oil outlet of the right wall of the auxiliary oil tank (32) is respectively and fixedly communicated with a liquid inlet of the pressure release valve (35) and a liquid outlet of an electromagnetic valve (38) through a three-way pipe I (37), and an oil return port of the pressure release valve (35, and a liquid outlet of the electromagnetic valve (38) is communicated with a material spraying mechanism (4).

2. A smoke pulling apparatus for a general purpose aircraft according to claim 1, wherein: spout material mechanism (4) and include arc (41), oil pocket (42) and communicating pipe (43), the one end of communicating pipe (43) is fixed with the liquid outlet of solenoid valve (38) and is linked together, arc (41) comprise five oil spout modules (411), and connect through connecting membrane (412) between five oil spout modules (411) are adjacent, oil pocket (42) are seted up in oil spout module (411), oil spout hole (413) have been seted up at the top of oil spout module (411), the one end opening of oil pocket (42) is located oil spout hole (413) diapire, the other end opening of oil pocket (42) is located the right side of oil spout module (411) and the fixed one end that communicates shunt tubes (44), the other end of five shunt tubes (44) all communicates with the other end of communicating pipe (43).

3. A smoke pulling apparatus for a general purpose aircraft according to claim 1, wherein: oil spout module (411) are triangular prism form and its right-hand member downwarping and are the couple form, connect membrane (412) and be the rubber membrane, and connect membrane (412) and connect and accomodate groove (5) diapire in oil spout module (411) side.

4. A smoke pulling apparatus for a general purpose aircraft according to claim 3, wherein: the section of the oil cavity (42) of the oil injection module (411) is V-shaped, the turning part of the oil cavity (42) is positioned at the left end of the oil injection module (411), and the oil injection module (411) is fixedly connected with the right end of the shell (1) through an elastic rope (6).

5. A smoke pulling apparatus for a general purpose aircraft according to claim 3, wherein: spout material mechanism (4) and still include location magnetic stripe (7), location magnetic stripe (7) bond in the constant head tank of oil spout module (411) lower surface left end.

6. A smoke pulling apparatus for a general purpose aircraft according to claim 1, wherein: the two ends of the oil injection hole (413) are respectively located on the left side and the right side of the oil injection module (411), the left end of the oil injection hole (413) is flat, the axial length range of a long shaft of the oil injection hole is eight-ten centimeters, the right end opening of the oil injection hole (413) is circular, and the aperture range of the oil injection hole is three-five centimeters.

Technical Field

The invention relates to the technical field of flight performance equipment, in particular to a smoke drawing device for a general airplane.

Background

General aircraft are when carrying out the flight performance, often can be in the air through release smog, increase the sight, the release of smog is exactly accomplished by drawing the cigarette device, general aircraft draws the cigarette device, mainly adopt the solid to draw the cigarette device, through burning solid drawing the cigarette bullet at aircraft wing or fin, accomplish and draw the cigarette, or adopt the tobacco tar, realize drawing the cigarette through discharging the tobacco tar atomizing, but either kind of mode all is in order to cause extra pollution when drawing the cigarette, and the performance aircraft often accompanies the action of rolling in drawing the cigarette, the condition of disconnected cigarette easily appears, influence the sight effect.

Disclosure of Invention

The invention aims to provide a smoke drawing device for a general airplane, which is convenient to operate, suitable for piston engine aircrafts and good in smoke drawing effect.

In order to achieve the purpose, the invention is realized by the following technical scheme: a smoke drawing device for a general airplane comprises a shell, wherein the upper surface of the shell is provided with a mounting hanging ring, the oil supply mechanism is arranged in the shell and comprises a main oil tank, an auxiliary oil tank, an oil well pump, an oil supply pump and a pressure release valve, the main oil tank is fixedly arranged at the left end in the shell, and the oil filling port of the main oil tank is positioned on the left side of the upper surface of the shell and is provided with an oil cover, the auxiliary oil tank is fixedly connected with the bottom wall of the shell and is positioned on the right side of the main oil tank, and the oil outlet of the main oil tank is communicated with the oil inlet in the middle of the left wall of the auxiliary oil tank through an oil well pump, the oil outlet of the right wall of the auxiliary oil tank is respectively and fixedly communicated with a liquid inlet of a pressure release valve and a liquid inlet of an electromagnetic valve through a three-way pipe, the liquid outlets of the pressure release valve are respectively communicated with the oil return opening of the main oil tank and the oil return opening of the auxiliary oil tank through a two-way pipe, and the liquid outlet of the electromagnetic valve is.

Preferably, spout material mechanism and include arc, oil pocket and communicating pipe, the one end of communicating pipe is fixed with the liquid outlet of solenoid valve and is communicate, and the arc comprises five oil spout modules, and connects through connecting the membrane between five oil spout modules are adjacent, and the oil pocket is seted up in the oil spout module, and the nozzle opening has been seted up at the top of oil spout module, and the one end opening of oil pocket is located the nozzle opening diapire, and the other end opening of oil pocket is located the right side of oil spout module and the fixed one end that communicates there is the shunt tubes, and the other end of five shunt tubes all communicates with the other end of communicating pipe.

Preferably, the oil spout module is triangular prism form and its right-hand member downwarping and is the couple form, and the design of couple form is convenient to hang the oil spout module at the gas vent of aircraft, utilizes the high temperature tail gas heating atomizing tobacco tar of aircraft, connect the membrane for the rubber membrane, and connect the membrane and connect the groove diapire of accomodating in oil spout module side, connect the distance between each oil spout module of change that the oil spout module can be convenient with connecting the membrane, can draw the width of cigarette to the nimble change of different demands.

Preferably, the section of the oil cavity of the oil injection module is V-shaped, the turning part of the oil cavity is positioned at the left end of the oil injection module, and the oil injection module is fixedly connected with the right end of the shell through an elastic rope.

Preferably, the material spraying mechanism further comprises a positioning magnetic strip, and the positioning magnetic strip is bonded in a positioning groove in the left end of the lower surface of the oil spraying module.

Preferably, two ends of the oil spray hole are respectively located at the left side and the right side of the oil spray module, the left end of the oil spray hole is flat, the axial length range of a long shaft of the oil spray hole is eight-ten centimeters, the right end opening of the oil spray hole is circular, and the aperture range of the oil spray hole is three-five centimeters.

By adopting the technical scheme, the invention has the beneficial effects that:

1. this general aircraft is with drawing cigarette device mainly is applicable to piston engine airborne vehicle, simple structure, and the cost is lower, and in the use, the bellytank is in full oily state always, has avoided because the aircraft maneuver causes the oil liquid level to rock the problem of unable oil pumping, and the tobacco tar leaks when the solenoid valve can prevent to have the negative pressure in the pipeline, and the relief valve can prevent that pipeline pressure is too big and make oil pipe burst, great improvement the reliability of this equipment.

2. This general aircraft is with drawing cigarette device, the arc adopts the disconnect-type design, installs in the aircraft blast pipe, utilizes high temperature waste gas atomizing tobacco tar, helps realizing the miniaturization of device, saves the cost to utilize its disconnect-type design can be through adjusting the play cigarette width that the cigarette was drawn in the distance change between each oil spout module, the practicality is higher.

3. This general aircraft is with drawing cigarette device, the oil pocket of V-arrangement joins in marriage and the left slope design of oil spout module can improve heat exchange efficiency, makes the tobacco tar just can obtain preheating in the oil pocket, can fully atomize after the blowout, and oil pocket outlet design is in the oil spout hole simultaneously, and the structural design of cooperation oil spout hole can be with the fast-speed blowout of tobacco tar when having avoided the tobacco tar to pollute the blast pipe.

Drawings

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

FIG. 2 is a top view of the present invention;

3 FIG. 33 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 32 3 in 3 accordance 3 with 3 the 3 present 3 invention 3; 3

FIG. 4 is a schematic diagram of a fuel injection module according to the present invention;

fig. 5 is a sectional view of an injection module according to the invention.

In the figure: the device comprises a shell 1, a mounting hanging ring 2, an oil supply mechanism 3, a main oil tank 31, an auxiliary oil tank 32, an oil pump 33, an oil supply pump 34, a pressure release valve 35, an oil cover 36, a tee pipe I37, an electromagnetic valve 38, a tee pipe II 39, a material spraying mechanism 4, an arc-shaped plate 41, an oil spraying module 411, a connecting film 412, an oil spraying hole 413, an oil cavity 42, a communicating pipe 43, a shunt pipe 44, a storage groove 5, an elastic rope 6 and a positioning magnetic strip 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a general smoke exhaust device for an airplane comprises a shell 1, wherein an installation hanging ring 2 is arranged on the upper surface of the shell 1, an oil supply mechanism 3 is arranged in the shell 1, the oil supply mechanism 3 comprises a main oil tank 31, an auxiliary oil tank 32, an oil well pump 33, an oil supply pump 34 and a pressure release valve 35, the main oil tank 31 is fixedly installed at the left end in the shell 1, an oil filling port of the main oil tank 31 is located on the left side of the upper surface of the shell 1 and provided with an oil cover 36, the auxiliary oil tank 32 is fixedly connected to the bottom wall of the shell 1 and located on the right side of the main oil tank 31, an oil outlet of the main oil tank 31 is communicated with an oil inlet in the middle of the left wall of the auxiliary oil tank 32 through the oil well pump 33, an oil outlet of the right wall of the auxiliary oil tank 32 is respectively and fixedly communicated with a liquid inlet of the pressure release valve 35 and a liquid inlet, the liquid outlet of the electromagnetic valve 38 is communicated with the material spraying mechanism 4, the oil pump 33, the oil supply pump 34 and the electromagnetic valve 38 are powered by batteries, the operation of the oil pump 33 and the oil supply pump 34 is controlled by a power switch, the switch of the electromagnetic valve 38 is controlled by a control switch, and the equipment is powered by a storage battery.

The material spraying mechanism 4 comprises an arc-shaped plate 41, an oil cavity 42 and a communicating pipe 43, one end of the communicating pipe 43 is fixedly communicated with a liquid outlet of the electromagnetic valve 38, the arc-shaped plate 41 is composed of five oil spraying modules 411, the five oil spraying modules 411 are connected adjacently through a connecting film 412, the oil cavity 42 is arranged in the oil spraying modules 411, an oil spraying hole 413 is formed in the top of the oil spraying modules 411, one end opening of the oil cavity 42 is located at the bottom wall of the oil spraying hole 413, the other end opening of the oil cavity 42 is located on the right side of the oil spraying modules 411 and fixedly communicated with one end of a flow dividing pipe 44, and the other ends of the.

Oil spout module 411 is the triangular prism form and its right-hand member downwarping is the couple form, the design convenience of couple form hangs oil spout module 411 at the gas vent of aircraft, utilize the high temperature tail gas heating atomizing tobacco tar of aircraft, connect the membrane 412 to be the rubber membrane, and connect membrane 412 and connect the 5 diapalls in the groove of accomodating of oil spout module 411 side, connect the distance between each oil spout module 411 of change that oil spout module 411 can be convenient with connecting membrane 412, can draw the width of cigarette to the nimble change of different demands.

The cross-section of oil spout module 411 oil pocket 42 is the V-arrangement, the oil pocket 42 of V-arrangement can improve the endothermic efficiency of tobacco tar, the oil spout module 411 attached on the aircraft blast pipe can be with heat transfer income oil pocket 42 in, guarantee the quick atomizing after the tobacco tar blowout, strengthen and draw the cigarette effect, and the turn department of oil pocket 42 is located the left end of oil spout module 411, oil spout module 411 with still through the right-hand member fixed connection of stretch cord 6 with casing 1, utilize stretch cord 6 to connect oil spout module 411 and casing 1, avoid communicating pipe 43 atress to damage.

Spout material mechanism 4 and still including location magnetic stripe 7, location magnetic stripe 7 bonds in the constant head tank of oil spout module 411 lower surface left end, utilizes location magnetic stripe 7 to adsorb the aircraft blast pipe and fix oil spout module 411 to the left inclined plane of cooperation oil spout module 411 can avoid high-speed tail gas to blow off oil spout module 411.

The both ends of nozzle opening 413 are located oil spout module 411's the left and right sides respectively, the axial length scope that the left end of nozzle opening 413 is platykurtic and its major axis is eight to ten centimetres, the entry of platykurtic can improve into the tolerance greatly, can not set up oil spout module 411 lower simultaneously, reduce its influence to the aircraft is given vent to anger, the right-hand member opening of nozzle opening 413 is circular and aperture scope and is three to five centimetres, nozzle opening 413 inlet end is greater than its end diameter of giving vent to anger, can improve nozzle opening 413 speed of giving vent to anger, can follow quick spout the tobacco tar.

When the general smoke drawing device for the airplane works, before equipment is mounted, smoke oil is injected into a main oil tank 31, after a shell 1 is hung on an airplane body, an arc-shaped plate 41 is fixed on an airplane exhaust pipe, the bent part of an oil injection module 411 is arranged on the exhaust pipe, a positioning magnetic stripe 7 is adsorbed on the inner wall of the exhaust pipe, the distance between the oil injection modules 411 is adjusted according to requirements, switches of an oil well pump 33 and an oil supply pump 34 are turned on to be electrified after the airplane takes off, the smoke oil in the main oil tank 31 is pumped into an auxiliary oil tank 32 by the oil well pump 33, the oil pumping time is calculated according to the volume of the auxiliary oil tank 32, a pressure relief valve 35 releases the smoke oil to form circulation after the auxiliary oil tank 32 is full of oil, and the;

when the smoke is drawn, the electromagnetic valve 38 is opened to discharge oil, the oil injection module 411 is continuously heated by high-temperature waste gas in the flying process of the airplane, and the smoke enters the oil cavity 42 to be preheated and then is injected into the oil injection hole 413 to form smoke drawing along with the high-temperature and high-speed airplane tail gas.

In summary, the following steps: the smoke drawing device for the general airplane is mainly suitable for piston engine aircrafts, has a simple structure and lower cost, and can prevent smoke from leaking when negative pressure exists in a pipeline and prevent an oil pipe from bursting due to overlarge pipeline pressure by the electromagnetic valve, so that the reliability of the device is greatly improved; the arc-shaped plate is in a separated design and is arranged in the airplane exhaust pipe, the high-temperature waste gas is used for atomizing the tobacco tar, the miniaturization of the device is facilitated, the cost is saved, the separated design is utilized, the smoke outlet width of the smoke can be changed by adjusting the distance between the oil injection modules, and the practicability is higher; the design of the V-shaped oil cavity and the slope on the left side of the oil injection module can improve the heat exchange efficiency, so that the tobacco tar can be preheated in the oil cavity, the tobacco tar can be fully atomized after being sprayed out, meanwhile, the oil cavity outlet is designed in the oil injection hole, and the tobacco tar is prevented from polluting the exhaust pipe and can be sprayed out at a high speed by matching the structural design of the oil injection hole.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.