CN101768934B - Suction nozzle with soft cavity throttling bodies inside - Google Patents
Suction nozzle with soft cavity throttling bodies inside Download PDFInfo
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- CN101768934B CN101768934B CN2010101138203A CN201010113820A CN101768934B CN 101768934 B CN101768934 B CN 101768934B CN 2010101138203 A CN2010101138203 A CN 2010101138203A CN 201010113820 A CN201010113820 A CN 201010113820A CN 101768934 B CN101768934 B CN 101768934B
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- suction nozzle
- air
- throttling bodies
- soft cavity
- pressure
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Abstract
The invention provides a suction nozzle for cleaning the road surface, which relates to the field of a road sweeper component. The suction nozzle mainly solves the following problem: under the condition that the air quantity of a blower of a road sweeper is not changed, more than one closed cavity bodies made of soft materials are additionally arranged between an upper cover in the suction nozzle and the road surface so as to exert the function of throttling and press air flow of an air flow channel in the suction nozzle to cling to the road surface for rapid flowing, thereby sucking garbage into a garbage can. Each independently closed soft cavity throttling body is provided with a vent pipe which is connected to a space with the pressure intensity being equal to or higher than that of the air flow at the lower part or is connected with a pressure balancer. The suction nozzle further comprises the upper cover, a peripheral sealant skirt, a framework, supporting road wheels, a traction mechanism, a left air suction pipe orifice, a middle air suction pipe orifice and a right air suction pipe orifice, wherein the left and right air suction pipe orifices move along with a left suction nozzle or a right suction nozzle to extend out of a sweeper body for operation, and can retract to the left and right sides in a middle suction nozzle; each air suction pipe orifice is provided with a large-caliber air flow amplifier, an air back-blowing knife connected with a small-caliber air flow amplifier is respectively arranged at the lower rear part of each air suction pipe orifice, and each air back-blowing knife is matched with the blowing and sucking air flow of the blower on the road sweeper to blow and suck the garbage into the garbage can of the road sweeper.
Description
Technical field
The present invention is a kind of suction nozzle that the road surface is used that cleans, and relates to the sweeper component field, road of washing.
Background technology
Existing sweeping machine is washed the bus suction nozzle the air draught mouth of pipe, circulating current back blow port, its rubbish muddy water is bigger with the cross sectional area of air motion, the air-flow rate of dispersion is low, bulky grain rubbish does not reach floating velocity, can not detach ground by strength, be transported in the dustbin, as reducing the height of suction nozzle loam cake apart from the road surface, bulk rubbish can not enter in the suction nozzle; Trafficability characteristic is bad when meeting the road surface protrusion being arranged, existing 200610103436.8 1 kinds of suction nozzle of sweeping cars of the patent No.; 200710044141.3 1 kinds of pure suction type dust absorption mouth for road sweeper of the patent No. are exactly this type of technical problem.
Goal of the invention
Main purpose of the present invention is, washes under the condition that the bus fan delivery do not increase at sweeping machine, by adding the speed that throttling bodies improves air-flow in the suction nozzle, makes rubbish muddy water and big particle diameter refuse collection clean; New parts and architecture advances have been increased simultaneously again.
Summary of the invention
Technical solution of the present invention is the top in the suction nozzle loam cake, add soft cavity throttling bodies, itself and minimum 3mm gap, road surface are the passage of rubbish muddy water air-flow, soft cavity throttling bodies presses attached subsides road surface to flow in the air-flow of pressure-vaccum, because the gas channel sectional area diminishes, air velocity increases, and air-flow mainly acts on the bottom of bulk rubbish, the easier rubbish that makes suspends, because the pressure in the soft cavity throttling bodies equates with air-flow pressure, the lower floor of soft cavity throttling bodies is in the microgravity floating state, does not hinder bulk rubbish and moves with pneumatic floating.
General suction nozzle planted agent is installed an above soft cavity throttling bodies additional, the three sections suction nozzles in left, center, right at least will be with three, when soft cavity throttling bodies appearance and size is too big the vertical direction cavity inside towards the road surface to add the soft drawn muscle prevent the middle part land fully, in the strength bar that also can add the downstream direction projection towards the surface on road surface, height 3-9mm can be with a plurality of small body type soft cavity throttling bodies when the longer pressure reduction of gas channel is big.Each soft cavity throttling bodies that independently seals all has a unidirectional venthole that air resistance is arranged of voltage stabilizing, the more than one gas pin that increases air pressure is all arranged, gas pin is connected or is connected and can uses with the positive/negative pressure equalizer with a certain space of malleation, normal pressure or negative pressure with air tube or tubule; Another kind of structure and mode of occupation are that soft cavity throttling bodies is only established gas pin, before using its cavity internal pressure adjustment is equal to or higher than the pressure of fluid passage inner fluid, this mode also can be filled soft supporting material in cavity, elongated sponge foams etc., also the soft cavity throttling body and function of independent sealing that can fluid motion direction size is short and small has the tubule introducing gas channel of filtration to use.Butyl rubber, macromolecule fluorine material, Coating Materials or composite material etc. all can be done soft cavity throttling bodies in the suction nozzle, other general rubber, plastics, rubber and plastic material and fiber is arranged or material that fibrous braid strengthens can use, just the gas permeability of its microcosmic will be noted.Soft cavity throttling bodies can be with screw, rivet or is adhesively fixed and fixes on chute draw runner plug-in mounting corresponding in draw runner chute that suction nozzle loam cake internal upper part also can make similar dovetail structure in its back of the body outside, side and the suction nozzle and be fixed in the suction nozzle.Supercharging gas pin and vapour lock venthole can be located on any of handled easily, also can be with it via the gas pin series, parallel when a plurality of soft cavity throttling bodies use.The positive/negative pressure equalizer can be fixed on suction nozzle loam cake outside and be connected with inner soft cavity throttling bodies through tubule, and the vapour lock venthole can be bonding and externally can realize behind the acanthopore at its cavity inner surface with high elastic rubber.
For this suction nozzle of structure of simplifying sweeping machine is a left side suction nozzle, the stage casing suction nozzle, the right suction nozzle three stage structure, its stage casing suction nozzle under car body by under the acting in conjunction of traction hanging mechanism supporting walking wheel with the car operation of travelling synchronously, a left side, the extended car body outside operation of the right suction nozzle, again can be in slideway bounces back to respectively the right and left of suction nozzle, a left side. in. three inlet scoops of right suction nozzle they all have the Venturi tube air-flow amplifier of an annular jet to connect dustbin respectively or connect sweeping machine dustbin air inlet duct again after cross compiles one, the air-flow amplifier of middle suction nozzle is outside its suction nozzle loam cake, a left side, right air-flow amplifier is in the loam cake of its suction nozzle, and have blow vertically upward rubbish to dustbin air inlet duct and level in blow rubbish to two kinds of duty positions of middle aspiration channel, the air-flow amplifier at middle part can be a gas, water dual-phase jet amplifier not only can be bled but also can draw water, and road pavement rubbish and muddy water are collected under the acting in conjunction of the mechanical force driving mechanism of rubbish totally.The gas of its jet, water can be given altogether by sweeping machine compressed air and high-pressure hydraulic pump, the stage casing suction nozzle can be a horizontal linear structure under sweeping machine, it also can be turn forward maximum 45 ° gathering structure of both sides part, and with the limit aspiration channel be hollow shaft be provided with one the guiding crashproof the wheel, so that meet the obstacle retraction when stretching out the car body operation, can also slope inwardly is provided with directive wheel more.In three the aspiration channel back lower place glue skirts air knife blowback system of connecting with the air-flow amplifier with blowback is arranged all, air knife, air-flow amplifier are connected successively with blower fan, and the high pressure gas of air-flow amplifier is provided through electromagnetic valve by the sweeping machine high pressure gas holder.The air-flow thin slice blows afloat rubbish forward rubbish is inhaled from the road surface in dustbin towards the road surface, the mechanical force driving mechanism that big rubbish wherein is set more than the aspiration channel place cooperates above-mentioned air knife pressure-vaccum system job.
Correspondence position is provided with high-pressure water pipe and the shower nozzle road pavement is carried out high pressure water washing before three sections suction nozzles, sewage, silt can be collected in the dustbin by suction nozzle, also can correspondence be provided with bristle simultaneously. the inside rotating belt of scraper plate or two groups of round brush that tilt are set cooperate the road surface cleaning performances better.
The beneficial features of invention
This suction nozzle adopts modularized design, and producing in serial form be convenient in absolute construction, can inhale to send also can blow rubbish to the rubbish case in, and it can reduce the sweeping machine fan energy consumption, reduces noise, can use the dc source and the high-pressure air source on chassis during operation.Bearing tube double as high pressure gas holder under the dustbin can be carried more gases at high pressure, realize malleation dustbin sweeping machine, rubbish is blown in the dustbin without dust absorption fan.Cooperate again in the pipeline of suction nozzle with dustbin air channel and suction nozzle connection thereof soft cavity throttling bodies all is set, realize the whole throttling energy consumption decline of sweeping machine air-transport system, energy-conservation more remarkable.
Description of drawings
Fig. 1 has three sections suction nozzle masters of soft cavity throttling bodies to look in being, the plan structure schematic diagram
Fig. 2 is the C-C generalized section of left and right limit suction nozzle
Fig. 3 is the middle suction nozzle aspiration channel place second embodiment section B2-B2 schematic diagram
Embodiment
Internally there is the concrete mode of suction nozzle of soft cavity throttling bodies to describe in detail below in conjunction with accompanying drawing, as Fig. 1, Fig. 2, Fig. 3 suction nozzle is to be main part with the stage casing suction nozzle, the right and left suction nozzle is on suction nozzle both sides, stage casing, slide into 16 and turn forward and reach suction nozzle loam cake 1 top, operation stage casing, the car body outside traction hanging mechanism 4 is arranged through flexible, front and back fluid sealant skirt 2, air-flow amplifier 22 aspiration channel 21 in ripple of the annular jet of supporting walking wheel 3 and central region position is connected with loam cake 1, before the right and left suction nozzle has loam cake 1, the crashproof directive wheel 15 in the left and right sides that back and outer face fluid sealant skirt 2 and outermost end loam cake 1 upper end are fixing.A left side, in, right three sections suction nozzle loam cake 1 internal upper parts all have gluing connect or with the soft cavity throttling bodies 17 of the fixing different size shape of screw, its limit, left and right sides suction nozzle and in all have in the loam cake 1 of suction nozzle both sides sloping portions the soft cavity throttling bodies 17 that roughly is rectangular shape and and the road surface between to keep certain height be strength passage 12, plural soft cavity throttling bodies 17 is set in the suction nozzle of limit, the left and right sides, connect separately positive/negative pressure equalizer 20 near the soft cavity throttling bodies 17 of air knife blowback system 11 through its gas pin 18, remaining uses after its pressure adjustment being equal to or higher than the gas pressure intensity of fluid passage 12 through gas pin 18, and column soft cavity throttling bodies 17 pressure in the ripple in the aspiration channel 21 are minimum.
The aspiration channel 5 of limit, left and right sides suction nozzle outermost end is together fixing with loam cake 1 with top fixing crashproof directive wheel 15, its underpart correspondence position have the gentle stream amplifier of the arcwall face shutoff plate that is connected as a single entity 10 6 they via axle bed 13 be fixed in loam cake 1 and with aspiration channel 5 sealing-ins, and there are vertical inwardly horizontal gas flow passage 12 directions to change two kinds of operating positions greater than 90 °, the high pressure gaseous working stream of its air-flow amplifier 6 is connected with the sweeping machine high pressure gas holder through air valve by rotating central siphon 14, and the sweeping machine blower fan is through aspiration channel 5 air-flow amplifiers 6 and under the effect of air knife blowback system 11 rubbish is drawn into dustbin when the dust suction operation; When pavement garbage density or granularity are big, open air-flow amplifier 6 and air knife blowback system 11 amplifier functions and rubbish is detached the road surface send dustbin to.Said process is the collection process of air-flow amplifier 6 roadside rubbish when being in plumbness, if with air-flow amplifier steering horizontal, be delivered to dustbin through gas channel 12 by middle suction nozzle towards 12 rubbish of gas channel, air-flow amplifier 6 drives arcwall face shutoff plate 10 with aspiration channel 5 sealings when rotating.Aspiration channel 21 and its underpart have the soft cavity throttling bodies 17 of different sizes to also have rubbish mechanical force driving mechanism in its underpart simultaneously in the ripple, its mode just like Figure 1B 1-B1 sectional drawing before little round brush 25 be articulated in loam cake 1 through traction bridge 26 upper ends 27, big round brush 28 creels in back are fixed on loam cake 1, their all available tube shaped electric machines make axle or alternate manner drives, after the brush of rolling about 28 be used for sweeping forward big particle diameter rubbish, its bristle and road surface are gapped; Its mode two is as Fig. 3 B2-B2 sectional drawing, preceding little round brush 25 is articulated in loam cake 1 through traction bridge 26 upper ends 27, the magnetic lid 33 that the afterpulse strength is played device 32 is fixed in one with the back back side of pushing shovel 29, sensor 30 before bulk rubbish touches pushing shovel 29, its control signal is opened air valve 38 and is played device 32 for gases at high pressure to pulse pneumatic conveying, its magnetic lid 33 is opened when pressure is enough big, promote to dial shovel 29 fast and promote the starting of bulk rubbish by strength inspiration dustbin around upper end dumpling axle 35, it is fixing with loam cake 1 through fixed head 34 that pulse pneumatic conveying is played device 32.Enter the annular chamber spout of the air-flow amplifier 22 on aspiration channel 21 tops in the ripple at said process mesohigh gas through air inlet pipe 24, high-speed jet produces big pull of vacuum in the aspiration channel 21 in its end opening 23 and ripple, the air-flow amplifier in the air knife blowback system 11 also blows rubbish through air knife ejection powerful air thin slice and makes its suspension inspiration dustbin simultaneously.
Correspondence is provided with high-pressure water pipe 36 before the three sections suction nozzles in left, center, right, its left side. the suction nozzle corresponding high-pressure water pipe 36 that is provided with in right both sides is together by a left side. and right telescopic cylinder 38 drives and stretches out retraction, the corresponding high-pressure water pipe 36 that is provided with is connected and fixed through loam cake 1 front portion of holder 39 with the stage casing suction nozzle before its left and right sides telescopic cylinder 38 and the stage casing suction nozzle, is evenly distributed with high-pressure nozzle 37 on its high-pressure water pipe.
Claims (4)
1. the suction nozzle that soft cavity throttling bodies is arranged in a kind, it comprises loam cake (1), perimeter sealant skirt (2), supporting walking wheel (3), traction hanging mechanism (4), it is characterized in that more than one soft cavity throttling bodies (17) is arranged in the described loam cake (1), each soft cavity throttling bodies that independently seals all has a unidirectional venthole that air resistance is arranged of voltage stabilizing, the more than one gas pin that increases air pressure is all arranged, with air tube or tubule with gas pin and malleation, the a certain space of normal pressure or negative pressure connects or is connected with the positive/negative pressure equalizer or soft cavity throttling bodies is only established gas pin, before using its cavity internal pressure adjustment is equal to or higher than the pressure of fluid passage inner fluid, on having, the central region of the middle suction nozzle of described loam cake (1) connects the air-flow amplifier (22) of dustbin, the left side of described loam cake (1), there is a left side at right two ends, the right aspiration channel (5).
2. according to the suction nozzle that soft cavity throttling bodies is arranged in one kind of the claim 1, it is characterized in that described left and right limit aspiration channel (5) is connected and fixed left and right limit suction nozzle, the outside operation of the extended car body of left and right limit suction nozzle, again can be in slideway bounces back to respectively the right and left of suction nozzle.
3. according to the suction nozzle that soft cavity throttling bodies is arranged in one kind of the claim 1, it is characterized in that there is air-flow amplifier (6) described left and right limit aspiration channel (5) bottom and turns to plugging mechanism.
4. according to the suction nozzle that soft cavity throttling bodies is arranged in one kind of the claim 1, it is characterized in that in the middle suction nozzle of described air-flow amplifier (22) bottom rubbish mechanical force driving mechanism being arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101138203A CN101768934B (en) | 2010-01-30 | 2010-01-30 | Suction nozzle with soft cavity throttling bodies inside |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101138203A CN101768934B (en) | 2010-01-30 | 2010-01-30 | Suction nozzle with soft cavity throttling bodies inside |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101768934A CN101768934A (en) | 2010-07-07 |
| CN101768934B true CN101768934B (en) | 2011-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101138203A Expired - Fee Related CN101768934B (en) | 2010-01-30 | 2010-01-30 | Suction nozzle with soft cavity throttling bodies inside |
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| Country | Link |
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| CN (1) | CN101768934B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103031818B (en) * | 2013-01-08 | 2015-07-22 | 中联重科股份有限公司 | Suction nozzle and pulse gas path control system and sweeping car comprising same |
| CN103410112B (en) * | 2013-08-13 | 2015-04-15 | 中联重科股份有限公司 | Cleaning suction nozzle and cleaning vehicle |
| CN107165111B (en) * | 2017-06-19 | 2023-03-24 | 中国重汽集团柳州运力专用汽车有限公司 | Suction nozzle device of washing and sweeping vehicle |
| CN107893399A (en) * | 2017-12-08 | 2018-04-10 | 广州雷利诺车业有限公司 | A kind of vacuum sweeper |
| CN107893400A (en) * | 2017-12-08 | 2018-04-10 | 广州雷利诺车业有限公司 | A kind of vacuum sweeper |
| CN107938572A (en) * | 2017-12-08 | 2018-04-20 | 广州雷利诺车业有限公司 | A kind of vehicle mounted dust-collecting collection device and vacuum sweeper |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101126229A (en) * | 2007-07-24 | 2008-02-20 | 上海交大神舟汽车设计开发有限公司 | Pure suction type dust absorption mouth for road sweeper |
| CN100453738C (en) * | 2006-08-08 | 2009-01-21 | 赵宏坚 | Street sweeper suction nozzle |
| CN100501007C (en) * | 2007-02-14 | 2009-06-17 | 长沙中联重工科技发展股份有限公司 | Suction sweeper truck with combined suction nozzle |
-
2010
- 2010-01-30 CN CN2010101138203A patent/CN101768934B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100453738C (en) * | 2006-08-08 | 2009-01-21 | 赵宏坚 | Street sweeper suction nozzle |
| CN100501007C (en) * | 2007-02-14 | 2009-06-17 | 长沙中联重工科技发展股份有限公司 | Suction sweeper truck with combined suction nozzle |
| CN101126229A (en) * | 2007-07-24 | 2008-02-20 | 上海交大神舟汽车设计开发有限公司 | Pure suction type dust absorption mouth for road sweeper |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2000-257036A 2000.09.19 |
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| Publication number | Publication date |
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| CN101768934A (en) | 2010-07-07 |
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