CN109808905A - A kind of unmanned plane based on urgent landing protection - Google Patents

Abstract

The invention discloses a kind of unmanned planes based on urgent landing protection, are related to unmanned plane field.The unmanned plane based on urgent landing protection, its structure includes unmanned under-chassis, power rack, machine paddle, unmanned plane main body, emergency protective device, power rack is located above unmanned under-chassis, organic paddle is installed in insertion on power rack top, machine paddle is set to above unmanned plane main body, under persistently the blowing of powerful strong wind, spring lever overcomes and upward top baffle, hydrochloric acid in hydrochloric acid trough flows downward and the calcium carbonate reaction in calcium carbonate slot, the gas of generation passes through trachea from air-dispersing tube head and enters groove body, the fan body that spins removes in emergency protective device, from vane in the air-flow rotation for encountering whereabouts, open starting box in the gas triggering contact that similarly chemical mixing slot generates, gas is filled in air bag, emergency landing can be carried out under the prominent chance high wind conditions of flight, and it is repeatedly slow during forced landing, and air bag pop-up is arranged at bottom, it is relatively strong to being integrated with Protective value.

Description

A kind of unmanned plane based on urgent landing protection

Technical field

The present invention relates to unmanned plane field, specially a kind of unmanned plane based on urgent landing protection.

Background technique

Unmanned plane is roughly divided into military class unmanned plane, daily entertainment unmanned plane, is using radio robot and to provide for oneself Presetting apparatus control not manned aircraft, weather condition that different geographical encounters is different, meets when controlling unmanned plane during flying The influence arrived is also different.

When in face of burst strong wind weather, decrease speed is too fast, it is difficult to guarantee unmanned plane main body not in unmanned plane field at present Be damaged, also easily cause landing main body the shortcomings that directly damaging, and after unexpected urgent jump area, night with lighting search simultaneously It cannot efficiently find unmanned plane position.

The content of present invention

(1)The technical issues of solution

In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of unmanned plane based on urgent landing protection, Solve it is existing in face of burst strong wind weather when, decrease speed is too fast, it is difficult to guarantee that unmanned plane main body is not damaged, also easily make The shortcomings that directly being damaged at landing main body, and after unexpected urgent jump area, it can not efficiently be found at night with lighting search The problem of unmanned plane position.

(2)Technical solution

In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of based on urgent landing protection Unmanned plane, structure include unmanned under-chassis, power rack, machine paddle, unmanned plane main body, emergency protective device.

The unmanned under-chassis top is connected with unmanned plane main body bottom end, and the power rack is located above unmanned under-chassis, institute It states on power rack top insertion and organic paddle is installed, the machine paddle is set to above unmanned plane main body, the unmanned plane main body and urgent Protective device is integrated, and the emergency protective device is set on the inside of unmanned under-chassis, the unmanned under-chassis be equipped with altogether and It is made of composite material.

The emergency protective device include: outer body shell, contact, rotating plate, coil spring, spin fan body, air bag reaction chamber, Pneumatic enclosure, trachea, chemical mixing slot, spring lever, arc jack wing, air bag baffle, are equipped with contact on the inside of the outer body shell, Insertion is equipped with rotating plate in the outer body shell, and the rotating plate inner surface is nested with coil spring outer surface, and the spin fan body is right It is connected on the left of side and pneumatic enclosure, the air bag reaction chamber is located at pneumatic enclosure front, the pneumatic enclosure right side and trachea Left side is connected, and is connected on the right side of the trachea with chemical mixing slot left side, the chemical mixing slot position above spring lever, Spring lever bottom end insertion is equipped with arc jacking wing, and the arc jacking wing is set on the inside of air bag baffle, it is described from It is integrally mostly that polyvinyl chloride is made that rotation fan body is equipped with 2 and its altogether.

Preferably, the spin fan body includes adding slow swivel, stomata, lubricating bearing, gas collection groove body, from vane, institute It states and adds slow swivel bottom surface and gas collection groove body top surface is bonding, the stomata is through on gas collection groove body, the lubrication bearing Inner surface is nested with from vane outer surface, is equipped in the pneumatic trough body from vane, and the stomata is equipped with 14 and half altogether Diameter is 1cm.

Preferably, the air bag reaction chamber includes reaction cabinet, starting box, detonating primer, igniter, gas generation Agent, conduction separate slot, air bag, the reaction interior fit with starting box outer surfac, and the starting cassette bottom end is embedding Entering and detonating primer is installed, the detonating primer is nested with igniter, and the igniter outer surface insertion is installed on reaction cabinet, The gas-forming agent is filled in reaction box house, and the conduction separate slot bottom end is connected with air bag top, the gas Body propellant is sodium azide.

Preferably, the air bag includes fluorescence coating, anti-gas-leak cystoblast, hollow capsules, the fluorescence coating inner surface with Anti-gas-leak cystoblast outer surface is bonding, and the anti-gas-leak cystoblast inner surface is set on the outside of hollow capsules, contains on the fluorescence coating Fluorescer.

Preferably, the slowly swivel of adding carefully encloses including gross blow hole, side ring, whereabouts resistance, inner ring, engraves hole, slow turn Leaf, rotational circle, mounting plate, gross blow hole outer surface insertion are installed on side ring, the whereabouts resistance carefully enclose outer surface with it is interior Ring inner surface is nested, and through hole is engraved in the inner ring, the slow rotating vane outer surface is nested with rotational circle inner surface, institute It states rotational circle outer surface to fit with mounting plate inner surface, the inner ring is that plastics are made and its integral radius is 2.5cm.

Preferably, the pneumatic enclosure includes pushing plate, push rod, groove body, is connected on the right side of the pushing plate with push rod left side, The push rod outer surface insertion is installed on groove body, and the push rod is that aluminium alloy is made and is cylindrical structure.

Preferably, the chemical mixing slot includes air-dispersing tube head, spring, hydrochloric acid trough, baffle, calcium carbonate slot, the air-dispersing The insertion of tube head outer surface is installed on hydrochloric acid trough, and the spring is installed in hydrochloric acid trough, the spring bottom end and baffle top phase Welding, the baffle are located above calcium carbonate slot, and the spring is made of spring steel.

(3)Beneficial effect

In unmanned plane normal flight operations, when encountering burst strong wind weather, it is installed on the arc jacking of unmanned plane bottom end Wing, the particularity of the wing structure, so that top flow velocity is fast, pressure is small, lower section flow velocity is slow, pressure is big, in powerful strong wind Persistently blow down, upwards jack effect it is obvious, spring lever is integrated with stronger elastic deformation ability, under normal circumstances, only on Spring lever natural resiliency deformation could be overcome to move up the chemical mixing slot reaction for causing top in the stronger situation of lift, Spring lever overcomes and upward top baffle, and the hydrochloric acid in hydrochloric acid trough flows downward and the calcium carbonate reaction in calcium carbonate slot, generation Gas passes through trachea from air-dispersing tube head and enters groove body, and pushing plate is pushed push rod by gas pressure intensity outward, and spin fan body quilt Outer body shell is released, rotating plate is rotated around coil spring, and spin fan body removes in emergency protective device, from vane in the gas for encountering whereabouts Flow rotation, fraction pass through stomata and enter inner ring, the slow rotating vane secondary speed-reducing in inner ring, gross blow hole, whereabouts resistance carefully enclose, It engraves hole to act on as uniform air flow, starting box, detonating primer, igniter are opened in the gas triggering contact that similarly chemical mixing slot generates So that gas-forming agent decomposes gas and is filled in air bag, air bag surface layer contains fluorescence coating and is conducive to night search feedback Light effect can carry out emergency landing under the prominent chance high wind conditions of flight, and repeatedly slow during forced landing, and bottom has Air bag pop-up, to being integrated with stronger protective value.

Detailed description of the invention

Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention, Objects and advantages will become more apparent upon:

Fig. 1 is a kind of structural schematic diagram of the unmanned plane based on urgent landing protection of the present invention；

Fig. 2 is the cross-sectional view of emergency protective device in a kind of unmanned plane based on urgent landing protection of the present invention；

Fig. 3 is a kind of schematic diagram of internal structure based on the fan body that spins in the urgent unmanned plane for landing protection of the present invention；

Fig. 4 is the internal structure signal of air bag reaction chamber in a kind of unmanned plane based on urgent landing protection of the present invention Figure；

Fig. 5 is to add the overhead sectional view slowly turned in a kind of unmanned plane based on urgent landing protection of the present invention；

Fig. 6 is the cross-sectional view of air bag in a kind of unmanned plane based on urgent landing protection of the present invention；

Fig. 7 is the schematic diagram of internal structure of pneumatic enclosure in a kind of unmanned plane based on urgent landing protection of the present invention；

Fig. 8 is the schematic diagram of internal structure of chemical mixing slot in a kind of unmanned plane based on urgent landing protection of the present invention；

In figure: unmanned under-chassis -1, power rack -2, machine paddle -3, unmanned plane main body -4, emergency protective device -5, outer body shell - 501, contact -502, rotating plate -503, coil spring -504, spin fan body -505, air bag reaction chamber -506, pneumatic enclosure -507, Trachea -508, spring lever -510, arc jacking wing -511, air bag baffle -512, adds slow turn at chemical mixing slot -509 Body -5051, stomata -5052, lubrication bearing -5053, gas collection groove body -5054, from vane -5055, reaction cabinet -5061, starting Box -5062, detonating primer -5063, igniter -5064, gas-forming agent -5065, conduction separate slot -5066, air bag -5067, Fluorescence coating -50671, anti-gas-leak cystoblast -50672, hollow capsules -50673, gross blow hole -50511, side ring -50512, whereabouts resistance Thin circle -50513, engraves hole -50515, slow rotating vane -50516, rotational circle -50517, mounting plate -50518, pushes away at inner ring -50514 Into plate -5071, push rod -5072, groove body -5073, air-dispersing tube head -5091, spring -5092, hydrochloric acid trough -5093, baffle -5094, Calcium carbonate slot -5095.

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.

It please refers to shown in Fig. 1-Fig. 8, the present invention provides a kind of unmanned plane based on urgent landing protection: its structure includes nothing Man-machine foot 1, power rack 2, machine paddle 3, unmanned plane main body 4, emergency protective device 5.

1 top of unmanned under-chassis is connected with 4 bottom end of unmanned plane main body, and the power rack 2 is located on unmanned under-chassis 1 Square, organic paddle 3 is installed in insertion on 2 top of power rack, and the machine paddle 3 is set to 4 top of unmanned plane main body, the unmanned owner Body 4 is integrated with emergency protective device 5, and the emergency protective device 5 is set to unmanned 1 inside of under-chassis, the unmanned plane Foot 1 is equipped with 2 and is made of composite material altogether, specific strength and specific stiffness it is higher, can by select suitable raw material and Reasonable layering type makes composite element or composite structure meet requirement, the damping property of composite material good Good, material makes unmanned plane various aspects of performance obtain higher promotion.

The emergency protective device 5 includes: outer body shell 501, contact 502, rotating plate 503, coil spring 504, spin fan body 505, air bag reaction chamber 506, pneumatic enclosure 507, trachea 508, chemical mixing slot 509, spring lever 510, arc jack The wing 511, air bag baffle 512 are equipped with contact 502 on the inside of the outer body shell 501, and insertion is equipped with rotating plate in the outer body shell 501 503,503 inner surface of rotating plate is nested with 504 outer surface of coil spring, and 505 right side of spin fan body and pneumatic enclosure 507 are left Side is connected, and the air bag reaction chamber 506 is located at 507 front of pneumatic enclosure, 507 right side of pneumatic enclosure and trachea 508 Left side is connected, 508 right side of the trachea be connected on the left of chemical mixing slot 509, the chemical mixing slot 509 is located at bullet 510 top of spring base, 510 bottom end of the spring lever insertion are equipped with arc jacking wing 511, and the arc jacking wing 511 is set In 512 inside of air bag baffle, it is integrally mostly that polyvinyl chloride is made that the spin fan body 505 is equipped with 2 and its altogether, increases plasticising Some auxiliary materials such as agent, age resister enhance its heat resistance, toughness, ductility, thereby ensure that its entirety decline from In rotary course, it can be rotated well.

Preferably, the spin fan body 505 includes adding slow swivel 5051, stomata 5052, lubrication bearing 5053, gas collection Groove body 5054, from vane 5055, it is described to add 5051 bottom surfaces of slow swivel and 5054 top surface of gas collection groove body is bonding, the stomata 5052 through on gas collection groove body 5054, and 5053 inner surface of lubrication bearing is nested with from 5055 outer surface of vane, described Be equipped in gas collection groove body 5054 from vane 5055, spin fan body 505 it is whole be triggered it is overhanging after, air-flow makes upwards from vane 5055 rotate on lubrication bearing 5053, and lubrication bearing 5053 can play reduces frictional force effect, the stomata well 5052 to be equipped with 14 and radius altogether be 1cm, it acts as being used for flowing gas, larger air-flow rise through on plate each radius compared with Small aperture can play slow speed effect, using symmetrical expression designed for balance two sides pressure.

Preferably, the air bag reaction chamber 506 includes reaction cabinet 5061, starting box 5062, detonating primer 5063, point Firearm 5064, gas-forming agent 5065, conduction separate slot 5066, air bag 5067,5061 inner surface of reaction cabinet with open Dynamic 5062 outer surface of box fits, and 5062 bottom end of the starting box insertion is equipped with detonating primer 5063, the detonating primer 5063 and Igniter 5064 is nested, and 5064 outer surface of the igniter insertion is installed on reaction cabinet 5061, the gas-forming agent 5065 are filled in inside reaction cabinet 5061, and 5066 bottom end of conduction separate slot is connected with 5067 top of air bag, described Gas-forming agent 5065 is sodium azide, decomposites nitrogen rapidly after being lighted a fire by detonating primer 5063, igniter 5064, nitrogen is worn Cross conduction separate slot 5066 enter air bag 5067 in, air bag 5067 be integrated with good ductility, elastic-restoring force compared with By force, speed of expansion is very fast, and sodium azide decomposition rate is very fast, is suitable as gas-forming agent.

Preferably, the air bag 5067 includes fluorescence coating 50671, anti-gas-leak cystoblast 50672, hollow capsules 50673, 50671 inner surface of fluorescence coating and 50672 outer surface of anti-gas-leak cystoblast are bonding, 50672 inner surface of anti-gas-leak cystoblast Set on 50673 outside of hollow capsules, contain fluorescer on the fluorescence coating 50671, incident ray can be absorbed and generate fluorescence, i.e., it is general Logical flashlight light irradiation is same to generate fluorescence, so that contaminated substance is obtained the sparkling effect of similar fluorite, sees naked eyes Substance it is very white, achieve the effect that brighten.

Preferably, the slowly swivel 5051 of adding carefully is enclosed including gross blow hole 50511, side ring 50512, whereabouts resistance 50513, inner ring 50514, engrave hole 50515, slow rotating vane 50516, rotational circle 50517, mounting plate 50518, the gross blow hole The insertion of 50511 outer surfaces is installed on side ring 50512, and the whereabouts resistance carefully encloses 50513 outer surfaces and 50514 inner surface of inner ring It is nested, runs through in the inner ring 50514 and engrave hole 50515, in slow 50516 outer surface of rotating vane and rotational circle 50517 Surface is nested, and 50517 outer surface of rotational circle fits with 50518 inner surface of mounting plate, and the inner ring 50514 is plastics It is made and its integral radius is 2.5cm, be high-molecular compound made of addition polymerization or polycondensation polymerized, can freely be changed to Point and body styles, be made of, have preferable the additives such as synthetic resin and filler, plasticizer, stabilizer, lubricant, colorant Hardness and lighter quality, be suitable as on light material article.

Preferably, the pneumatic enclosure 507 includes pushing plate 5071, push rod 5072, groove body 5073, and the pushing plate 5071 is right It is connected on the left of side and push rod 5072,5072 outer surface of the push rod insertion is installed on groove body 5073, and the push rod 5072 is Aluminium alloy is made and is cylindrical structure, and intensity is not easy to be damaged and have stronger corrosion resistance well, and light, cylindrical body outer is Circular configuration, the power that appearance is subject to is uniform, and sliding is got up, and frictional property is smaller, is easy to slide.

Preferably, the chemical mixing slot 509 includes air-dispersing tube head 5091, spring 5092, hydrochloric acid trough 5093, baffle 5094, calcium carbonate slot 5095,5091 outer surface of the air-dispersing tube head insertion are installed on hydrochloric acid trough 5093, and the spring 5092 is pacified Loaded in hydrochloric acid trough 5093,5092 bottom end of spring is mutually welded with 5094 top of baffle, and the baffle 5094 is located at calcium carbonate 5095 top of slot, the spring 5092 are made of spring steel, and the main performance requirements of spring steel are high-intensitive and high yield pole Limit and fatigue limit, thus the higher phosphorus content of spring steel, but the harden ability of carbon steel is poor, so for section Biggish spring must use steel alloy, and the main alloy element in alloy spring steel is silicon and manganese, and steel can be enhanced in they Harden ability and yield tensile ratio, the selection of material are conducive to the performance of function.

Working principle when encountering burst strong wind weather, is installed on unmanned plane bottom end in unmanned plane normal flight operations Arc jacks wing 511, and the particularity of the wing structure, so that top flow velocity is fast, pressure is small, lower section flow velocity is slow, pressure is big, Powerful strong wind is persistently blown down, and jacking effect is obvious upwards, and spring lever 510 is integrated with stronger elastic deformation ability, normally In the case of, it could only overcome 510 natural resiliency deformation of spring lever to move up in the stronger situation of climbing power and cause top Chemical mixing slot 509 reacts, and overcomes simultaneously top baffle 5094 upwards in spring lever 510, the hydrochloric acid in hydrochloric acid trough 5093 flows downward With the calcium carbonate reaction in calcium carbonate slot 5095, the gas of generation passes through trachea 508 from air-dispersing tube head 5091 and enters groove body 5073, pushing plate 5071 is pushed push rod 5072 by gas pressure intensity outward, and spin fan body 505 is pushed out outer body shell 501, rotating plate 503 rotate around coil spring 504, and spin fan body 505 removes in emergency protective device 5, from vane 5055 in the gas for encountering whereabouts Flow rotation, fraction enter inner ring 50514 across stomata 5052,50516 secondary speed-reducing of slow rotating vane in inner ring 50514, Gross blow hole 50511, whereabouts resistance carefully enclose 50513, engrave hole 50515 as uniform air flow effect, and similarly chemical mixing slot 509 generates Gas triggering contact 502 open starting box 5062, detonating primer 5063, igniter 5064 make 5065 decomposition gas of gas-forming agent Body is filled in air bag 5067, and 5067 surface layer of air bag contains fluorescence coating 50671 and is conducive to night search feedback light work With emergency landing can be carried out under high wind conditions in flight prominent meet, and repeatedly slow during forced landing, and air bag bullet is arranged at bottom Out, to being integrated with stronger protective value.

The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (7)

1. a kind of unmanned plane based on urgent landing protection, structure includes unmanned under-chassis (1), power rack (2), machine paddle (3), nothing Man-machine main body (4), emergency protective device (5), it is characterised in that:

Unmanned under-chassis (1) top is connected with unmanned plane main body (4) bottom end, and the power rack (2) is located at unmanned under-chassis (1) Top, organic paddle (3) is installed in insertion on power rack (2) top, and the machine paddle (3) is set to above unmanned plane main body (4), institute It states unmanned plane main body (4) to be integrated with emergency protective device (5), the emergency protective device (5) is set to unmanned under-chassis (1) inside；

The emergency protective device (5) includes: outer body shell (501), contact (502), rotating plate (503), coil spring (504), spin Fan body (505), air bag reaction chamber (506), pneumatic enclosure (507), trachea (508), chemical mixing slot (509), spring lever (510), arc jacks wing (511), air bag baffle (512), is equipped with contact (502) on the inside of the outer body shell (501), described outer Insertion is equipped with rotating plate (503) in body shell (501), and rotating plate (503) inner surface is nested with coil spring (504) outer surface, It is connected on the right side of the spin fan body (505) with pneumatic enclosure (507) left side, the air bag reaction chamber (506) is located at pneumatic Box (507) front, on the right side of the pneumatic enclosure (507) be connected on the left of trachea (508), on the right side of the trachea (508) and It is connected on the left of chemical mixing slot (509), the chemical mixing slot (509) is located above spring lever (510), the spring lever (510) bottom end insertion is equipped with arc jacking wing (511), and arc jacking wing (511) is set in air bag baffle (512) Side.

2. a kind of unmanned plane based on urgent landing protection according to claim 1, it is characterised in that: the spin fan body (505) include add slow swivel (5051), stomata (5052), lubrication bearing (5053), gas collection groove body (5054), from vane (5055), described to add slow swivel (5051) bottom surface and gas collection groove body (5054) top surface is bonding, the stomata (5052) is passed through It is through on gas collection groove body (5054), lubrication bearing (5053) inner surface is nested with from vane (5055) outer surface, described It is equipped in gas collection groove body (5054) from vane (5055).

3. a kind of unmanned plane based on urgent landing protection according to claim 1, it is characterised in that: the air bag Reaction chamber (506) includes reaction cabinet (5061), starting box (5062), detonating primer (5063), igniter (5064), gas generation Agent (5065), conduction separate slot (5066), air bag (5067), reaction cabinet (5061) inner surface and starting box (5062) Outer surface fits, and the insertion of the starting box (5062) bottom end is equipped with detonating primer (5063), the detonating primer (5063) and point Firearm (5064) is nested, and igniter (5064) the outer surface insertion is installed in reaction cabinet (5061), the gas hair Raw agent (5065) are filled in reaction cabinet (5061) inside, the conduction separate slot (5066) bottom end and air bag (5067) top It is connected.

4. a kind of unmanned plane based on urgent landing protection according to claim 3, it is characterised in that: the air bag It (5067) include fluorescence coating (50671), anti-gas-leak cystoblast (50672), hollow capsules (50673), the fluorescence coating (50671) is interior Surface and anti-gas-leak cystoblast (50672) outer surface are bonding, and anti-gas-leak cystoblast (50672) inner surface is set to hollow capsules (50673) outside.

5. a kind of unmanned plane based on urgent landing protection according to claim 2, it is characterised in that: described to add slowly Swivel (5051) includes that gross blow hole (50511), side ring (50512), whereabouts resistance carefully enclose (50513), inner ring (50514), engrave hole (50515), slow rotating vane (50516), rotational circle (50517), mounting plate (50518), gross blow hole (50511) outer surface are embedding Entering to be installed on side ring (50512), the whereabouts resistance carefully encloses (50513) outer surface and is nested with inner ring (50514) inner surface, Through engraving hole (50515) on the inner ring (50514), slow rotating vane (50516) outer surface and rotational circle (50517) are interior Surface is nested, and rotational circle (50517) outer surface fits with mounting plate (50518) inner surface.

6. a kind of unmanned plane based on urgent landing protection according to claim 1, it is characterised in that: the pneumatic enclosure (507) include pushing plate (5071), push rod (5072), groove body (5073), on the right side of the pushing plate (5071) with push rod (5072) Left side is connected, and push rod (5072) the outer surface insertion is installed on groove body (5073).

7. a kind of unmanned plane based on urgent landing protection according to claim 1, it is characterised in that: the chemical mixing Slot (509) includes air-dispersing tube head (5091), spring (5092), hydrochloric acid trough (5093), baffle (5094), calcium carbonate slot (5095), Air-dispersing tube head (5091) the outer surface insertion is installed on hydrochloric acid trough (5093), and the spring (5092) is installed on hydrochloric acid trough (5093) in, spring (5092) bottom end is mutually welded with baffle (5094) top, and the baffle (5094) is located at calcium carbonate slot (5095) top.