CN104631373B - A kind of variable circulation area suction nozzle for road sweeper - Google Patents
A kind of variable circulation area suction nozzle for road sweeper Download PDFInfo
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- CN104631373B CN104631373B CN201510104259.5A CN201510104259A CN104631373B CN 104631373 B CN104631373 B CN 104631373B CN 201510104259 A CN201510104259 A CN 201510104259A CN 104631373 B CN104631373 B CN 104631373B
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- hyoplastron
- suction nozzle
- nozzle body
- circulation area
- inner chamber
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
- E01H1/0827—Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust, e.g. dislodging-sweeping machines with independent suction nozzles ; Mechanical loosening devices working under vacuum
- E01H1/0836—Apparatus dislodging all of the dirt by suction ; Suction nozzles
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cleaning In General (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
Abstract
The invention discloses a kind of variable circulation area suction nozzle for road sweeper. Described variable circulation area suction nozzle comprises nozzle body and is arranged on the carrier pipe on nozzle body, and is arranged on the front wind screen and the rear wind-break panels that is arranged on nozzle body rear end of nozzle body front end; The bottom of described front wind screen and rear wind-break panels forms inlet channel in the time that sweeper is worked and between road surface; Between described nozzle body, front wind screen and rear wind-break panels, form the suction nozzle inner chamber being communicated with described carrier pipe; In described suction nozzle inner chamber, be provided with the hyoplastron being contained on nozzle body, this hyoplastron is swingable and make the cross-sectional flow area of described suction nozzle inner chamber become large or diminish in the time that sweeper is worked. The present invention has optimized the flow field of suction nozzle inner chamber, makes sweeping machine all have good adaptability to the large density rubbish in ground and light rubbish, has increased the adaptive capacity of sweeping machine road pavement rubbish, has improved cleaning quality and the operating efficiency of sweeping machine.
Description
Technical field
The invention belongs to road-cleaning apparatus field, be specifically related to a kind of variable circulation area suction nozzle for road sweeper.
Background technology
Along with the fast development of the current Process of Urbanization Construction of China and the increase of cost of labor, the urban road cleaning equipment including sweeping machine popularizes gradually. Sweeping machine has a variety of, and wherein, suction sweeping type and only absorbing sweeper truck, because its operating speed is fast, efficiency is high, the advantages such as thorough are cleaned on road surface, have become one of main development direction of road sweeper.
The operation principle of dust-absorption sweeping machine is, brush pavement garbage is put together in certain scope after (normally under sweeping machine),, the rubbish on ground is picked up and sent in dustbin when suction nozzle process rubbish the top, rubbish separates in dustbin with air-flow; The main difference part of the operation principle of only absorbing sweeper truck and suction sweeping type is without brush, rubbish put together and directly pick up from road surface. The no matter sweeping machine of which kind of type, in order to make rubbish enter smoothly, efficiently suction nozzle, and be ingested and send into dustbin, general is all in the enough negative pressure of the inner formation of suction nozzle by facilities such as blower fans, under the effect of negative pressure, outer gas stream enters suction nozzle inside, and air-flow carries ground refuse and together enters suction nozzle and be admitted in dustbin in flow process.
Because China is vast in territory; the component of refuse of the city of different geographical, the different parts in city, Various Seasonal is widely different, and the rubbish on some road surface sweeps along sand as main taking dust, and some is that the grains of sand less taking particle diameter or stone are as main; that leaf is main sometimes, etc.
Research shows, the height (being also the distance between nozzle body and ground) of suction nozzle inner chamber is less, the ventilation area of suction nozzle inside is less, air-flow is higher at the inner flow velocity of suction nozzle, more being conducive to the rubbish of high density, small particle diameter to absorb from ground, is also that the capacity gauge of the rubbish of suction nozzle to dust, the grains of sand, handstone and so on is stronger; But, if suction nozzle inner chamber height is too little, make gas-flow resistance too large on the one hand, energy loss increases severely, on the other hand, large diameter rubbish is easily blocked and can not enters suction nozzle, makes sweeping machine have more leaf on ground, or plastic packaging bag, or Quality Down when the road cleaning operation of the situation such as the stone of greater particle size. So the height of suction nozzle of sweeping car inner chamber is (once the width of suction nozzle is certain, be embodied in the actual internal area of air-flow) flow field of suction nozzle inside is had to vital effect, be an important parameter, this parameter has directly determined the cleaning ability of sweeping machine to rubbish of different nature.
In fact, the suction nozzle inner chamber height of existing sweeping machine in cleaning work process is constant, mean and have the suction nozzle of very strong capacity gauge to be difficult to the collection of the light rubbish such as competent ground leaf, plastic sheeting to sand grains and handstone, sweeping along the road surface of the grains of sand to be also difficult to accomplish high-quality cleaning work to thicker dust, and, for the suction nozzle of inner chamber level altitude, the excursion of its operating speed is also narrower, is generally not suitable with the cleaning work of highway. So brought very large trouble to sweeping machine operating personnel, also limited the performance of sweeping machine and given full play to, thereby the scope of application of sweeping machine is suffered restraints.
Due to the uncertainty of pavement garbage situation, if develop corresponding sweeping machine for the needs of various pavement garbage situations and operating speed, for sweeping machine development enterprise, product type will be very complicated, and product pedigree is also by lengthy and tedious; For sweeping machine applying unit, need to buy multiple sweeping machine and could meet the needs of cleaning, not only increase its equipment purchasing cost and maintenance cost, the usage factor of various equipment is not high yet. So, be unpractical for the various corresponding sweeping machines of different pavement garbage feature developments in the mode that meets various urban road cleaning requirements.
For this reason, exploitation one can meet different geographical, different cities, different city, Various Seasonal simultaneously, and the wide suction nozzle of sweeping car tool of cleaning velocity variations wider range is of great significance.
Summary of the invention
The deficiency existing for the fixing suction nozzle of sweeping car of existing inner chamber height, the present invention aims to provide a kind of variable circulation area suction nozzle of sweeping car that adapts to multiple road garbage property, this suction nozzle both can efficiently clean the grains of sand on the one hand, the rubbish of the large density such as handstone, also can clean a large amount of dust and sweep along the liftoff rubbish that is difficult for of the grains of sand, the also leaf in road pavement, the light rubbish such as plastic film packaging bag has good capacity gauge, thereby sweeping machine road pavement rubbish adaptability and cleaning quality are all greatly improved, on the other hand, this suction nozzle can meet the needs of the middle low speed cleaning work occasions such as urban road, also can meet the high speed cleaning work occasion needs such as highway and wait feature, thereby extend the range of application of sweeping machine.
To achieve these goals, the technical solution adopted in the present invention is:
For a variable circulation area suction nozzle for road sweeper, comprise nozzle body and be arranged on the carrier pipe on nozzle body, and being arranged on the front wind screen and the rear wind-break panels that is arranged on nozzle body rear end of nozzle body front end; The bottom of described front wind screen and rear wind-break panels forms inlet channel in the time that sweeper is worked and between road surface; Between described nozzle body, front wind screen and rear wind-break panels, form the suction nozzle inner chamber being communicated with described carrier pipe; Its design feature is: in described suction nozzle inner chamber, be provided with the hyoplastron being contained on nozzle body, this hyoplastron is swingable and make the cross-sectional flow area of described suction nozzle inner chamber become large or diminish in the time that sweeper is worked.
Thus, hyoplastron of the present invention can according to ground quantity of refuse number and the parameter such as composition, sweeping machine operating speed regulate hyoplastron minimum ground clearance, optimize the flow field of suction nozzle inner chamber, make sweeping machine all there is good adaptability to the large density rubbish in ground and light rubbish, increase the adaptive capacity of sweeping machine road pavement rubbish, improved cleaning quality and the operating efficiency of sweeping machine.
Be below the technical scheme of further improvement of the present invention:
The version swinging as a kind of concrete driving hyoplastron, one end of described hyoplastron is hinged on nozzle body, and the other end of this hyoplastron is free end; One end of described hyoplastron and a drive rod is hinged and connected, and the other end of telescopic this drive rod is hinged on holder, and this holder is arranged on nozzle body. Thus, described hyoplastron can rotate around jointed shaft, and in the time that drive rod extends, hyoplastron rotates and causes its minimum terrain clearance to reduce, and in the time that drive rod shortens, hyoplastron rotates and causes its minimum terrain clearance to increase.
The version swinging as another concrete driving hyoplastron, one end of described hyoplastron is hinged on nozzle body, between the other end of this hyoplastron and nozzle body, is connected by reset tension spring; Described hyoplastron is provided with the supporting seat of dimple-shaped, and this supporting seat contacts with the bottom of a push rod; Described push rod through described nozzle body is moved up and down by a driver drives. Further, described nozzle body is provided with tapped thread bush, described driver is equipped with in the end of this thread bush, is provided with the threaded block by described driver drives in described thread bush, and described threaded block has the external screw thread with the screw-internal thread fit of described thread bush; Inside at described thread bush is provided with driving spring, one end of described driving spring contacts with described threaded block, the other end of this driving spring is contained on spring base, described push rod is housed on described spring base, annular space between this push rod and thread bush is provided with return spring, described return spring one end is pressed on described spring base lower surface, and this return spring other end is pressed on the inner face of described thread bush, and described push rod passes nozzle body and contacts with the pit inwall on described supporting seat.
Described driver is stepper motor, hydraulic motor or air motor.
The version swinging as the third concrete driving hyoplastron, described nozzle body is provided with support set, in this support set, be provided with tapped lifting cover, between described support set and lifting cover, connect by feather key, in this lifting cover, be provided with the rotating shaft with external thread section, the internal thread of described lifting cover coordinates with the external thread section of rotating shaft; The end of described support set is provided with locating cover, and the upper end of this rotating shaft is through locating cover and be provided with handle set in the end of rotating shaft, and described handle set connects with handle one end by bearing pin; The lower end of described rotating shaft is provided with push rod, and the bottom of described push rod is passed nozzle body and contacted with the pit inwall on described supporting seat. Thus, can promote hyoplastron by moving up and down of push rod swings. In the time that hyoplastron regulation and control put in place, keep the position of hyoplastron to fix for convenient, the outer rim of described locating cover has several draw-in grooves, and described handle is bool, and the bottom of this bool can be placed in described draw-in groove and make the position of described hyoplastron keep fixing.
The version swinging as the 4th kind of concrete driving hyoplastron, one end of described hyoplastron is hinged on nozzle body, and the other end of this hyoplastron is free end; Described hyoplastron is hinged and connected by one end of bearing pin and a connecting rod, the other end of this connecting rod is by being hinged on a lever, described lever one end is articulated with on nozzle body, and one end of this lever other end and drive rod is hinged and connected, and the other end of described drive rod is articulated with on holder.
The version swinging as the 5th kind of concrete driving hyoplastron, one end of described hyoplastron is hinged on nozzle body, and the other end of this hyoplastron is free end; Described hyoplastron is provided with carries button, and this carries button by being connected with a restrictor bar through the stay cord of nozzle body, and described restrictor bar is arranged on restrictor bar seat; Between described hyoplastron and nozzle body, be provided with hyoplastron resetting means. Thus, according to road surface situation, the manual relative position of directly adjusting between restrictor bar and restrictor bar seat of operating personnel is adjusted the swing of hyoplastron. Described restrictor bar seat can be located in the driver's cabin of terrain vehicle.
Preferably, described hyoplastron resetting means is stretching resetting means; One end of described stretching resetting means is connected on hyoplastron, and the other end of this stretching resetting means is connected in the inwall of suction nozzle inner chamber; The connecting portion of described stretching resetting means and hyoplastron is carried the opposite side of button on hyoplastron. Or preferred described hyoplastron resetting means is compression resetting means; One end of described compression resetting means is connected on hyoplastron, and the other end of this compression resetting means is located at the inwall of suction nozzle inner chamber; The connecting portion of described compression resetting means and hyoplastron is carried the same side of button on hyoplastron.
The signal input part of described drive rod is connected with the signal output part of control module by signal transmssion line. Described drive rod is electric pushrod or hydraulic jack, or cylinder, or other telescopic mechanism or devices.
In order to realize the cleaning to cleaning road surface in cleaning process, between described carrier pipe entrance and rear wind-break panels, be provided with high-pressure water pipe, this high-pressure water pipe is provided with nozzle.
Preferably, described hyoplastron is arc, and the arc of this arc is carried on the back towards road surface.
The invention will be further described below:
Described variable circulation area suction nozzle of sweeping car comprises nozzle body, the formation plate of described nozzle body comprises front upper side panel, the coaming plate of left and right, rear three sides, the subaerial place of forward and backward side joint of described nozzle body is respectively equipped with front wind screen, the rear wind-break panels with certain flexibility, jointly surround suction nozzle inner chamber by described nozzle body, front wind screen, rear wind-break panels, described nozzle body upside is provided with the carrier pipe with suction nozzle inner chamber UNICOM, and both sides coaming plate is respectively equipped with castor.
In described suction nozzle inner chamber, between carrier pipe entrance and rear wind-break panels, be provided with high-pressure water pipe, described high-pressure water pipe is provided with water inlet pipe and nozzle, between carrier pipe entrance and front wind screen, be provided with the hyoplastron of arc, described hyoplastron one end is fixed on the below of nozzle body upper panel by articulated manner, and can rotate around jointed shaft, by the height between the adjustable hyoplastron minimum point of rotation and the ground of hyoplastron, be also the circulation area of air-flow at suction nozzle inner chamber.
Preferably, described hyoplastron is connected with one end of drive rod by hinged mode, by the expanding-contracting action of described drive rod, is also the length variations of drive rod, realizes described hyoplastron and rotates around its jointed shaft.
Particularly, the other end of described drive rod is connected with holder by articulated manner, and described holder is arranged on nozzle body.
More specifically, one end of the extended part of described drive rod is through the upper panel of nozzle body, and in suction nozzle inner chamber, other parts are in nozzle body outside, and described holder is located at nozzle body upper panel top.
Specifically selectively, described drive rod is electric pushrod, or hydraulic jack, or cylinder, or other telescopic mechanism or devices.
Preferably, described drive rod can be connected with control module by signal transmssion line, realizes the expanding-contracting action of drive rod and is automatically controlled by the control module of sweeping machine, or send data signal according to sweeping machine operating personnel to control module and control.
As the another kind of way of realization of described hyoplastron action, on described hyoplastron, be provided with the supporting seat of dimple-shaped, described supporting seat with contact through nozzle body upper panel, the push rod that can carry out expanding-contracting action, between hyoplastron and nozzle body upper panel, be provided with reset tension spring.
Preferably, described nozzle body upper panel top is provided with tapped thread bush, the end of described thread bush is provided with driver, in described thread bush, be provided with by described driver drives, be with externally threaded threaded block, the internal thread of described thread bush coordinates with the external screw thread of threaded block. Inside at described thread bush is provided with driving spring, end face, the other end that one end of described driving spring is pressed on threaded block are provided with spring base, on described spring base, be provided with push rod, annular space between push rod and thread bush is provided with return spring, described return spring one end coordinates with threaded block, and the other end coordinates with thread bush inner face.
Selectively, described driver can be the drive units such as stepper motor, hydraulic motor, air motor.
Particularly, described push rod one end and described spring base tight joint, the other end contacts with the pit inwall on supporting seat through nozzle body upper panel, described driving spring, return spring, threaded block, spring base, push rod are all coaxial, all in the inner chamber in thread bush, and the downside of described return spring in spring base, the upside of described driving spring in spring base
More specifically, in the time that control module sends appointment, described driver drives threaded block rotation, under the driving of screw thread, threaded block can move down and compressible drive spring, after the pressure of driving spring overcomes the pressure of return spring, described spring base can drive push rod to have the trend moving downward, promoting described supporting seat moves downward, the pulling force that described reset tension spring is subject to can further increase, after overcoming the effect of reset tension spring, as push rod further moves downward, can described hyoplastron be rotated around its jointed shaft by supporting seat, its minimum ground clearance is reduced, otherwise, when sending, control module specifies while making the reverse rotation of described driver drives threaded block, under the driving of screw thread, threaded block can move up and make driving spring pressure to reduce, in the time that the pressure of driving spring is less than the acting in conjunction sum of return spring and reset tension spring, under the acting in conjunction of described return spring and reset tension spring, described push rod and spring base are moved upward, and described hyoplastron is rotated backward around its jointed shaft, its minimum ground clearance is increased.
Preferably, described nozzle body upper panel top is provided with support set, described support set inside is provided with tapped lifting cover, between described support set and lifting cover, connect by feather key, in described lifting cover, be provided with the rotating shaft with external thread section, the internal thread of described lifting cover coordinates with the external thread section of described rotating shaft, the end of described support set is provided with locating cover, the lower end of described rotating shaft is provided with push rod, upper end is through locating cover and be provided with handle set in end, described handle set connects with handle one end of " L " shape by bearing pin, the bottom of described push rod is through the epipleural of described nozzle body, and contact with the pit inwall on the supporting seat of being located on described hyoplastron.
Particularly, described locating cover center has hole, so that described rotating shaft is passed, edge has several draw-in grooves, and described handle can turn an angle around described bearing pin.
More specifically, after described handle is broken out and is turned over certain angle, swinging handle, can drive handle set, rotating shaft axle center rotation around the shaft, under the effect of screw thread, can make described lifting cover move up and down, and then drive described push rod to move up and down, further drive described hyoplastron to rotate around its one end, thereby realize the variation of hyoplastron position. In the time not needing to regulate hyoplastron position, can put down handle and make it in certain draw-in groove, handle set, rotating shaft, lifting cover, push rod all can be locked motionless.
Selectively, can be by handle, handle set described in operating personnel's hand drive, also a direct drive shaft of the driver by control module control be can establish in the end of support set, and then the position of the described hyoplastron of change, the object of adjusting suction nozzle inner chamber airflow area reached.
Preferably, described hyoplastron is connected with connecting rod one end by hinged, the other end of described connecting rod is also connected on lever by articulated manner, described lever one end is articulated with holder, the other end is also connected with the expansion end of drive rod by hinged, and the stiff end of described drive rod is also articulated with on holder, and described holder is located at the epipleural of nozzle body, or certain position of carrier pipe, or other positions.
Particularly, in the time that described drive rod is flexible, make lever rotate an angle around the free bearing of its one end, drive the motion of described connecting rod, and then promote the free bearing rotation of described hyoplastron around its one end, reach the object that changes hyoplastron position, regulates suction nozzle inner chamber airflow rank street area.
Preferably, described hyoplastron is provided with carries button and hyoplastron resetting means, the described button of carrying is connected with stay cord one end, described stay cord is through the upper panel of nozzle body, the other end is connected on restrictor bar, described restrictor bar is arranged on restrictor bar seat, and the relative position between restrictor bar and restrictor bar seat is manually adjusted by operating personnel.
Selectively, described hyoplastron resetting means can be stretching resetting means, also compression-type resetting means, as be tension type resetting means, its one end is connected in hyoplastron, and the other end is connected on the wall of suction nozzle inner chamber, and is carrying the opposite side of button with the connecting portion of hyoplastron; As be compression-type resetting means, its one end is also connected in hyoplastron, the other end is also located at the wall of suction nozzle inner chamber, its connecting portion with hyoplastron with carry button homonymy.
Particularly, by rotating described restrictor bar, can be by stay cord, put forward the drag that button makes hyoplastron overcome resetting means and rotate, thus reach the object that regulates hyoplastron position, regulates suction nozzle inner chamber airflow rank street area.
Pass through technique scheme, the variable circulation area suction nozzle of sweeping car that the present invention proposes, be provided with movable tongue plate device at suction nozzle inner chamber, the characteristic of carrying out the visual ground refuse of cleaning work at sweeping machine regulates the position of hyoplastron at any time, easily, play and change the airflow area of suction nozzle inner chamber, the flow field of optimization suction nozzle inside, increase the object of joining adaptive of sweeping machine operating speed and ground refuse characteristic. For example: when the large density rubbish such as local dusty complexion soil, sand grains, handstone is main, the minimum terrain clearance altitude of hyoplastron can be turned down, the air-flow that enters suction nozzle is constrained in the region of close proximity to ground, the speed that makes air-flow enter suction nozzle increases, the negative pressure of suction nozzle inner chamber strengthens, and the energy that passes to rubbish when air-flow enters suction nozzle is more, suction nozzle has more easily been taken the photograph the rubbish on ground; When ground taking light rubbish such as leaf, plastic packaging bag, plastic sheetings when main, the minimum terrain clearance altitude of hyoplastron can be tuned up, to increase the trafficability characteristic of suction nozzle to rubbish. Again for example, more when ground refuse, sweeping machine, in the time of sweeper mode, can suitably reduce to improve cleaning quality by the minimum terrain clearance of hyoplastron; Less when ground refuse, sweeping machine, in the time keeping a public place clean pattern, can suitably increase to improve operating speed by the minimum terrain clearance of hyoplastron. Therefore, the present invention propose suction nozzle of sweeping car can for dissimilar ground refuse thing carry out relative efficiency cleaning, keep a public place clean, strengthen the operation adaptability of sweeping machine, significantly improved the convenience of environmental sanitation cleaning operation, and improved the operating efficiency of environmental sanitation cleaning operation.
Other features and advantages of the present invention are described in detail the detailed description of the invention part subsequently.
Brief description of the drawings
Following accompanying drawing is used to provide a further understanding of the present invention, and itself and following detailed description of the invention one are used from explanation the present invention, but protection scope of the present invention is not limited to following the drawings and the specific embodiments. In accompanying drawing:
The principal section schematic diagram of Fig. 1 the first embodiment of the present invention;
The A of Fig. 2 Fig. 1 is to view;
The longitudinal sectional view of Fig. 3 the second embodiment of the present invention;
A kind of scheme schematic diagram of I place partial enlarged view in Fig. 4 Fig. 2;
The longitudinal sectional view of the third embodiment of Fig. 5 the present invention;
Another scheme schematic diagram of III place partial enlarged view in Fig. 6 Fig. 5;
In Fig. 7 Fig. 6, D is to partial view;
E-E cross-sectional view in Fig. 8 Fig. 6;
The partial sectional view of the 4th kind of embodiment of Fig. 9 the present invention;
The partial sectional view of the 5th kind of embodiment of Figure 10 the present invention;
A kind of scheme schematic diagram of II place partial enlarged view in Figure 11 Figure 10;
Another scheme schematic diagram of II place partial enlarged view in Figure 12 Figure 10.
In the drawings:
1-control module; 2-signal transmssion line; 3-drive rod; 4-holder; 5-carrier pipe; 6-castor; 7-rear wind-break panels; 8-nozzle; 9-high-velocity flow; 10-suction nozzle inner chamber; 11-road surface; 12-nozzle body; 13-hyoplastron; 14-front wind screen; The air inlet of 15-suction nozzle; 16-high-pressure water pipe; 17-water inlet pipe; 18-driver; 19-reset tension spring; 20-supporting seat; 21-threaded block; 22-thread bush; 23-driving spring; 24-spring base; 25-return spring; 26-push rod; 27-bearing pin; 28-handle set; 29-handle; 30-locating cover; 31-rotating shaft; 32-support set; 33-thread segment; 34-lifting cover; 35-push rod; 36-draw-in groove; 37-feather key; 38-lever; 39-connecting rod; 40-stay cord; 41-restrictor bar seat; 42-restrictor bar; 43-carries button; 44-stretching resetting means; 45-compresses resetting means.
Detailed description of the invention
In order to make those skilled in the art understand better technical scheme of the present invention, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail. Should be understood that, detailed description of the invention described herein is only for description and interpretation the present invention, and protection scope of the present invention is not limited to following detailed description of the invention.
First explanation is, first, in the description of technical scheme of the present invention, some nouns of locality that use in order clearly to describe technical characterictic of the present invention, such as 'fornt', 'back', " upper and lower ", " end face ", " bottom surface ", " interior ", " outward " etc. are all normal orientation after being installed on sweeping machine according to suction nozzle of sweeping car of the present invention, for example, be that the interior volume that " front ", the each side plate of suction nozzle surround is " interior " near the orientation of headstock relatively, etc.; Second, suction nozzle of sweeping car of the present invention is mainly applicable to present widely used dust-absorption sweeping machine, but and do not mean that this suction nozzle of sweeping car can not be applicable to the sweeping machine of other type, its completely can for for example only absorbing sweeper truck or other type have suction cleaning function sweeping machine.
Embodiment 1:
Described variable circulation area suction nozzle of sweeping car, referring to Fig. 1, Fig. 2, its structure comprises the nozzle body 12 being made up of upper panel, coaming plate etc., the subaerial place of forward and backward side joint of described nozzle body 12 is respectively equipped with front wind screen 14, the rear wind-break panels 7 with certain flexibility, jointly surround suction nozzle inner chamber 10 by described nozzle body 12, front wind screen 14, rear wind-break panels 7, the upside of described nozzle body 12 is provided with the carrier pipe with suction nozzle inner chamber 10 UNICOMs, and both sides are respectively equipped with castor 6. In described suction nozzle inner chamber 10, between the entrance of described carrier pipe 5 and rear wind-break panels 7, be provided with high-pressure water pipe 16, described high-pressure water pipe 16 is provided with water inlet pipe 17 and nozzle 8.
In described suction nozzle inner chamber 10, between described carrier pipe 5 entrances and front wind screen 14, be provided with the hyoplastron 13 of arc, also be that described hyoplastron 13 is in suction nozzle inner chamber 10, its one end is fixed on the below of the upper panel of nozzle body 12 by articulated manner, and can turn an angle around jointed shaft, by the height between adjustable its minimum point of rotation and the ground of hyoplastron 13, be also circulation area and the flow field structure of air-flow in suction nozzle inner chamber 10.
Described drive rod 3, through the upper panel of nozzle body 12, is connected on hyoplastron 13 in suction nozzle inner chamber 10, in suction nozzle inner chamber, is connected with hyoplastron 13, and the other end is also connected with holder 4 by articulated manner, and described holder 4 is arranged on nozzle body shell.
By the expanding-contracting action of described drive rod 3, be also its length variations, realize described hyoplastron 13 and rotate around its jointed shaft. . In sum, and described holder 4 is located at nozzle body 12 upper panel tops, or other places.
Described drive rod 3 can be to rely on the flexible electric pushrod of driven by power, can be also to rely on to drive flexible hydraulic jack with the hydraulic oil of pressure, and can also be to rely on the flexible cylinder of high pressure air drives, or other telescopic mechanism or devices.
Described drive rod 3 can be connected with control module 1 by signal transmssion line 2, thus the expanding-contracting action that can realize drive rod 3 automatically controlled by the turn-key system of sweeping machine, or send data signal according to sweeping machine operating personnel to control module 1 and control.
Known by foregoing description, in the time that drive rod 3 extends, hyoplastron 13 clockwise rotates (situation shown in Fig. 1) around the hinged hinge of itself and nozzle body 12, promoting hyoplastron 13 minimum point terrain clearances reduces, otherwise, in the time that drive rod 3 shortens, drive hyoplastron 13 to rotate counterclockwise around itself and the hinged hinge of nozzle body 12, make hyoplastron 13 minimum point terrain clearances increases.
Adopt said structure, 1. when the rubbish on ground 11 few, light rubbish also seldom, sweeping machine is during in operation under normal circumstances, hyoplastron 13 is in " s " position shown in Fig. 1, blower fan is by the suction to dustbin, suction nozzle carrier pipe 5 and dustbin UNICOM, so form certain negative pressure in described suction nozzle inner chamber 10, the air of suction nozzle outside enters suction nozzle and forms suction nozzle air inlet 15, under the effect of suction nozzle air inlet 15, rubbish on ground 11 has been held under the arm, and enter carrier pipe 5, finally enter dustbin; 2. when the quantity of refuse on ground 11 is a lot, especially when density rubbish large, that particle is less is more, sweeping machine operating personnel send appointment to control system, or sweeping machine control system is sent instruction automatically, control module 1 is given drive rod 3 by signal transmssion line 2 by signal by respective signal, turn to " r " position shown in Fig. 1 so drive rod 3 extends and promotes hyoplastron 13, improve the taken the photograph ability of sweeping machine to large density rubbish; 3. in the time that light rubbish such as leaf, plastic foil etc. on ground 11 is more, sweeping machine operating personnel or sweeping machine control system are sent corresponding instruction, control module 1 is given drive rod 3 by signal transmssion line 2 by signal by corresponding signal, turn to " t " position shown in Fig. 1 so drive rod 3 shortens and promotes hyoplastron 13, improve the capacity gauge of sweeping machine to large volume rubbish on ground; 4. when ground 11 rubbish are less, sweeping machine is in the time keeping a public place clean state, can suitably hyoplastron 13 be rotated from " t " position to " r " direction, also reduce the terrain clearance of hyoplastron 13 minimum points, can make sweeping machine remain original keeps a public place clean when effect, speed improves the speed of keeping a public place clean greatly, thereby improves the operating efficiency of sweeping machine; 5. because hyoplastron 13 can effectively be controlled the flow field in suction nozzle inner chamber 10 regions, the coupled relation between optimization airflow and ground 11, so by suitably adjusting the position of hyoplastron 13.
In order to solve because of drying garbage, the more problem that easily produces reentrainment of dust of dust, be provided with high-pressure water pipe 16 at the rear side of suction nozzle inner chamber, in described high-pressure water pipe 16, be provided with water inlet pipe 17 and nozzle 8, water under high pressure can be sent into high-pressure water pipe 16 by water inlet pipe 17, ejection from described nozzle 8, ground 11 described in formation high-velocity flow 9 directives, by moistening the rubbish that enters carrier pipe 5, can effectively solve the problem of sweeping machine airborne dust. Another effect that high-velocity flow 9 is set is, when garbage adhesion attached ground 11 in ground is during compared with consolidation, also can separate from ground 11 adhering to ground tighter rubbish by high-velocity flow 9, be beneficial to the air-flow 15 that enters suction nozzle and held under the arm, thus the cleaning effect of raising sweeping machine
Described hyoplastron 13 is designed to arc, has avoided air-flow rear strong inverse flow district that forms below hyoplastron 13, can reduce the fluid resistance loss of air-flow in suction nozzle inner chamber 10, thereby in having improved sweeping machine cleaning ability, can't too much increase energy consumption.
Embodiment 2:
Described variable circulation area suction nozzle of sweeping car, on the basis of Fig. 3, in conjunction with Fig. 4, the difference of this programme and embodiment 1 is:
1. described hyoplastron 13 is provided with the supporting seat 20 with dimple-shaped end face, and between hyoplastron 13 and nozzle body 12 hinged relationship except entirely having, also between hyoplastron 13 and nozzle body 12 upper panel, be provided with reset tension spring 19;
2. cancel drive rod 3 in embodiment 1 and with holder 4, replace tapped thread bush 22 is set above the epipleural of nozzle body 12, the end of described thread bush 22 is provided with driver 18, in described thread bush 22, be provided with that drive by described driver 18, be with externally threaded threaded block 21, the internal thread of described thread bush 22 coordinates with the external screw thread of threaded block 21. Be provided with driving spring 23 in one end of described threaded block 21, the inside of thread bush 22, the other end of described driving spring 23 is provided with spring base 24, on described spring base 24, be provided with push rod 26 and return spring 25, described push rod 26 is inner and coaxial with it through return spring 25, described push rod 26 one end and described spring base 24 tight joints, the other end contacts with the pit inwall on supporting seat 20 through nozzle body 12 upper panel. Described driving spring 23, return spring 25, threaded block 21, spring base 24, push rod 26 are all coaxial and be arranged in the inner chamber in thread bush 22. Described driver 18 can be the drive units such as stepper motor, hydraulic motor, air motor.
3. in the time that control module 1 sends appointment, driver 18 is given in instruction by signal transmssion line 2, driver 18 starts rotation, drive threaded block 21 to rotate, under the driving of screw thread, threaded block 21 can move down and compressible drive spring 23, in the time that driving spring 23 pressures overcome the acting in conjunction of the pressure of return spring 25 and the pulling force of reset tension spring 19, described spring base 24 can drive push rod 26 to move downward, and then by supporting seat 20, described hyoplastron 13 is rotated around its pin joint, reach the object that reduces its minimum ground clearance; Otherwise, when sending, control module 1 specifies while making described driver 18 drive threaded block 21 to counter-rotate, under the driving of screw thread, threaded block 21 can move up and make driving spring 23 pressures to reduce, in the time that the suffered pressure of driving spring is less than the acting in conjunction sum of return spring 25 and reset tension spring 19, under the acting in conjunction of described return spring 25 and reset tension spring 19, when described push rod 26 and spring base 24 are moved upward, and described hyoplastron 13 rotates backward around its hinge, thereby reach the object that its minimum ground clearance is increased.
Embodiment 3:
Described variable circulation area suction nozzle of sweeping car, on the basis of Fig. 5 in conjunction with Fig. 6, Fig. 7, Fig. 8, the difference of this programme and embodiment 2 is:
1. cancel described thread bush 22, driver 18, threaded block 21, thread bush 22, driving spring 23, spring base 24, return spring 25, push rod 26, replace support set 32 is set above the upper panel of nozzle body 12, described support set 32 inside are provided with tapped lifting cover 34, between described support set 32 and lifting cover 34, connect by feather key 37, in described lifting cover 34, be provided with the rotating shaft 31 with external thread section, the internal thread of described lifting cover 34 coordinates with the external thread section of described rotating shaft 31, the top of described support set 32 is provided with locating cover 30, the lower end of described rotating shaft 31 is provided with push rod 35, upper end is through locating cover 30 and be provided with handle set 28 in end, described handle set 28 connects with handle 29 one end of " L " shape by bearing pin 27, the lower end of described push rod 35 is through the epipleural of described nozzle body 12, and contact with the pit inwall on the supporting seat 20 of being located on described hyoplastron 13. described locating cover 30 centers have hole, so that described rotating shaft 3 is passed, its edge has several draw-in grooves 36, and described handle 29 can turn an angle around bearing pin 27.
2. when operating personnel are manually by cocked described handle 29, make it in " b " position shown in Fig. 6, by swinging handle 29, can drive handle set 28, rotating shaft 31 31 axle center rotation around the shaft, under the effect of screw thread and support set 32, described lifting cover 34 moves up and down, and then drive described push rod 35 to move up and down, the effect that further overcomes reset tension spring 19 drives described hyoplastron 13 to rotate around the epipleural pin joint of itself and nozzle body 12, thereby the minimum ground clearance that realizes hyoplastron 13 increases or reduces. In the time not needing to regulate the position of hyoplastron 13, can put down handle 29, make its one side in certain draw-in groove 36, in " a " position shown in Fig. 6, handle set 28, rotating shaft 31, lifting overlap 34, push rod 35 all can be locked motionless.
Embodiment 4:
Described variable circulation area suction nozzle of sweeping car, referring to Fig. 9, the difference of this programme and embodiment 1 is:
1. described expansion link 3 is not to act directly on described hyoplastron 13, but described hyoplastron 13 is connected with connecting rod 39 one end by articulated manner, the other end of described connecting rod 39 is articulated with certain position, centre of lever 38, described lever 38 one end are articulated with to be located on nozzle body 12, the other end is connected with the telescopic end of drive rod 3 by articulated manner, the stiff end of described drive rod 3 also hinged with one with the constant place of nozzle body 12 relative positions, the for example epipleural of described nozzle body 12, or certain position of carrier pipe 5, or be located at other positions of nozzle body 12 etc.
2. in the time that described drive rod 3 is flexible, make lever 38 rotate an angle around the free bearing of its one end, drive the motion of described connecting rod 39, described connecting rod 39 and then promotion hyoplastron 13 rotate around the free bearing of its one end, reach the object that changes hyoplastron position, regulates suction nozzle inner chamber airflow rank street area.
Embodiment 5:
Described variable circulation area suction nozzle of sweeping car, on the basis of Figure 10, in conjunction with Figure 11, Figure 12, the difference of this programme and embodiment 1 is:
1. cancel expansion link 3 and holder 4, on described hyoplastron 13, be provided with and carry button 43 and hyoplastron resetting means, the described button 43 of carrying is connected with one end of stay cord 40, described stay cord 40 is through the upper panel of nozzle body 12, the other end is connected on restrictor bar 42, described restrictor bar 42 is arranged on restrictor bar seat 41, and the relative position between described restrictor bar 42 and restrictor bar seat 41 manually could be adjusted by operating personnel.
2. described hyoplastron resetting means can be stretching resetting means 44 as shown in figure 11, described stretching resetting means 44 with the connecting portion of hyoplastron 13 at the opposite side of carrying button 43; But also compression resetting means 45 as shown in figure 12 of described hyoplastron resetting means, described compression resetting means 44 with the connecting portion of hyoplastron 13 in the same side of carrying button 43. Its effect is all and makes hyoplastron 13 turn clockwise in (orientation shown in Figure 11,12) as far as possible, also makes the minimum ground clearance of hyoplastron 13 reduce.
3. by pulling described restrictor bar 41, can upwards pull stay cord 40, and then pull and carry button 43 and make hyoplastron 13 overcome the drag of resetting means and rotate, regulate hyoplastron 13 positions thereby reach, change its minimum ground clearance, regulate the object of the airflow rank street area of suction nozzle inner chamber 10.
Below describe by reference to the accompanying drawings the preferred embodiment of a kind of variable circulation area suction nozzle for urban road sweeping vehicle provided by the invention in detail; but; should be understood that; the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; the present invention is not limited to the detail in above-mentioned embodiment; for those skilled in the art; under the premise without departing from the principles of the invention; can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.
It should be noted that in addition, each concrete technical characterictic described in above-mentioned detailed description of the invention, in reconcilable situation, between various embodiment of the present invention, also can be combined, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally. For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible combinations.
Claims (13)
1. the variable circulation area suction nozzle for road sweeper, comprise nozzle body (12) and be arranged on the carrier pipe (5) on nozzle body (12), and be arranged on the front wind screen (14) of nozzle body (12) front end and be arranged on the rear wind-break panels (7) of nozzle body (12) rear end; The bottom of described front wind screen (14) and rear wind-break panels (7) forms inlet channel in the time that sweeper is worked and between road surface (11); Between described nozzle body (12), front wind screen (14) and rear wind-break panels (7), form the suction nozzle inner chamber (10) being communicated with described carrier pipe (5); It is characterized in that: in described suction nozzle inner chamber (10), be provided with the hyoplastron (13) being contained on nozzle body (12), this hyoplastron (13) is swingable and make the cross-sectional flow area of described suction nozzle inner chamber (10) become large or diminish in the time that sweeper is worked; It is upper that one end of described hyoplastron (13) is hinged on nozzle body (12), and the other end of this hyoplastron (13) is free end; Described hyoplastron (13) is hinged and connected with one end of a drive rod (3), and it is upper that the other end of telescopic this drive rod (3) is hinged on holder (4), and this holder (4) is arranged on nozzle body (12).
2. the variable circulation area suction nozzle for road sweeper according to claim 1, it is characterized in that, it is upper that one end of described hyoplastron (13) is hinged on nozzle body (12), between the other end of this hyoplastron (13) and nozzle body (12), is connected by reset tension spring (19); Described hyoplastron (13) is provided with the supporting seat (20) of dimple-shaped, and this supporting seat (20) contacts with the bottom of a push rod (26); Described push rod (26) through described nozzle body (12) is driven and is moved up and down by a driver (18).
3. the variable circulation area suction nozzle for road sweeper according to claim 2, it is characterized in that, described nozzle body (12) is provided with tapped thread bush (22), described driver (18) is equipped with in the end of this thread bush (22), in described thread bush (22), be provided with the threaded block (21) being driven by described driver (18), described threaded block (21) has the external screw thread with the screw-internal thread fit of described thread bush (22), be provided with driving spring (23) in the inside of described thread bush (22), one end of described driving spring (23) contacts with described threaded block (21), the other end of this driving spring (23) is contained on spring base (24), described push rod (26) is housed on described spring base (24), annular space between this push rod (26) and thread bush (22) is provided with return spring (25), one end of described return spring (25) is pressed on described spring base (24) lower surface, the other end of this return spring (25) is pressed on the inner face of described thread bush (22), described push rod (26) passes nozzle body (12) and contacts with the pit inwall on described supporting seat (20).
4. according to the variable circulation area suction nozzle for road sweeper described in claim 2 or 3, it is characterized in that, described driver (18) is stepper motor, hydraulic motor or air motor.
5. the variable circulation area suction nozzle for road sweeper according to claim 2, it is characterized in that, described nozzle body (12) is provided with support set (32), in this support set (32), be provided with tapped lifting cover (34), between described support set (32) and lifting cover (34), connect by feather key (37), in this lifting cover (34), be provided with the rotating shaft (31) with external thread section, the internal thread of described lifting cover (34) coordinates with the external thread section of rotating shaft (31); The end of described support set (32) is provided with locating cover (30), the upper end of this rotating shaft (31) is through locating cover (30) and be provided with handle set (28) in the end of rotating shaft (31), and described handle set (28) connects with one end of handle (29) by bearing pin (27); The lower end of described rotating shaft (31) is provided with push rod (35), and the bottom of described push rod (35) is passed nozzle body (12) and contacted with the pit inwall on described supporting seat (20).
6. the variable circulation area suction nozzle for road sweeper according to claim 5, it is characterized in that, the outer rim of described locating cover (30) has several draw-in grooves (36), described handle (29) is bool, and the bottom of this bool can be placed in described draw-in groove (36) and make the position of described hyoplastron (13) keep fixing.
7. the variable circulation area suction nozzle for road sweeper according to claim 1, is characterized in that, it is upper that one end of described hyoplastron (13) is hinged on nozzle body (12), and the other end of this hyoplastron (13) is free end; Described hyoplastron (13) is hinged and connected by one end of bearing pin and a connecting rod (39), the other end of this connecting rod (39) is by being hinged on a lever (38), described lever (38) one end is articulated with on nozzle body (12), one end of this lever (38) other end and drive rod (3) is hinged and connected, and the other end of described drive rod (3) is articulated with on holder (4).
8. the variable circulation area suction nozzle for road sweeper according to claim 1, is characterized in that, it is upper that one end of described hyoplastron (13) is hinged on nozzle body (12), and the other end of this hyoplastron (13) is free end; Described hyoplastron (13) is provided with carries button (43), and this carries button (43) by being connected with a restrictor bar (42) through the stay cord (40) of nozzle body (12), and described restrictor bar (42) is arranged on restrictor bar seat (41); Between described hyoplastron (13) and nozzle body (12), be provided with hyoplastron resetting means.
9. the variable circulation area suction nozzle for road sweeper according to claim 8, is characterized in that, described hyoplastron resetting means is stretching resetting means (44); It is upper that one end of described stretching resetting means (44) is connected in hyoplastron (13), and the other end of this stretching resetting means (44) is connected in the inwall of suction nozzle inner chamber (10); The connecting portion of described stretching resetting means (44) and hyoplastron (13) is carried the opposite side of button (43) on hyoplastron (13).
10. the variable circulation area suction nozzle for road sweeper according to claim 8, is characterized in that, described hyoplastron resetting means is compression resetting means (45); It is upper that one end of described compression resetting means (45) is connected in hyoplastron (13), and the other end of this compression resetting means (45) is located at the inwall of suction nozzle inner chamber (10); The connecting portion of described compression resetting means (45) and hyoplastron (13) is carried the same side of button (43) on hyoplastron (13).
11. according to the variable circulation area suction nozzle for road sweeper described in claim 1 or 7, it is characterized in that, the signal input part of described drive rod (3) is connected with the signal output part of control module (1) by signal transmssion line (2).
12. according to claim 1-3, the variable circulation area suction nozzle for road sweeper that one of 5-10 is described, it is characterized in that, between described carrier pipe (5) entrance and rear wind-break panels (7), be provided with high-pressure water pipe (16), this high-pressure water pipe (16) is provided with nozzle (8).
13. according to claim 1-3, and the variable circulation area suction nozzle for road sweeper that one of 5-10 is described is characterized in that, described hyoplastron (13) is arc, and the arc of this arc is carried on the back towards road surface (11).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510104259.5A CN104631373B (en) | 2015-03-10 | 2015-03-10 | A kind of variable circulation area suction nozzle for road sweeper |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510104259.5A CN104631373B (en) | 2015-03-10 | 2015-03-10 | A kind of variable circulation area suction nozzle for road sweeper |
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| CN104631373A CN104631373A (en) | 2015-05-20 |
| CN104631373B true CN104631373B (en) | 2016-05-04 |
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| CN201510104259.5A Expired - Fee Related CN104631373B (en) | 2015-03-10 | 2015-03-10 | A kind of variable circulation area suction nozzle for road sweeper |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044101B (en) * | 2017-06-14 | 2022-11-01 | 江苏徐工国重实验室科技有限公司 | Road sweeper suction nozzle and road sweeper |
| CN107503316B (en) * | 2017-08-30 | 2019-08-27 | 长沙中联重科环境产业有限公司 | Suction nozzle control system and sweeping machine |
| CN108005003A (en) * | 2017-12-25 | 2018-05-08 | 上海神舟汽车节能环保股份有限公司 | One kind self-regulation compression dust absorption mouth for road sweeper |
| CN110820656A (en) * | 2018-08-10 | 2020-02-21 | 郑州宇通重工有限公司 | Sanitation car and suction nozzle device thereof |
| CN109837853B (en) * | 2019-04-08 | 2023-10-31 | 河北安旭专用汽车有限公司 | Dust collection system and cleaning vehicle |
| CN110761230A (en) * | 2019-10-31 | 2020-02-07 | 徐州雅居乐环保科技有限公司 | Road dust collector |
| CN112627091B (en) * | 2020-12-15 | 2022-05-06 | 长安大学 | Pneumatic cleaning device |
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| CN2412032Y (en) * | 2000-04-05 | 2000-12-27 | 鞍山钢铁学院 | Vacuum sucking nozzle appts. of sweeping machine |
| CN1800500A (en) * | 2005-12-30 | 2006-07-12 | 长沙中联重工科技发展股份有限公司 | Absorption nozzle for road cleaning |
| CN202298534U (en) * | 2011-11-03 | 2012-07-04 | 长沙中联重科环卫机械有限公司 | Feed inlet regulation device for suction nozzle and suction nozzle employing feed inlet regulation device |
| CN202323840U (en) * | 2011-11-18 | 2012-07-11 | 中联重科股份有限公司 | Road sweeping vehicle and suction nozzle device thereof |
| CN104060565A (en) * | 2014-06-27 | 2014-09-24 | 长沙中粮机械有限公司 | Suction nozzle for road sweeper and road sweeper |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4147582B2 (en) * | 2003-04-25 | 2008-09-10 | 豊和工業株式会社 | Dust collection device for road sweeper |
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| CN2412032Y (en) * | 2000-04-05 | 2000-12-27 | 鞍山钢铁学院 | Vacuum sucking nozzle appts. of sweeping machine |
| CN1800500A (en) * | 2005-12-30 | 2006-07-12 | 长沙中联重工科技发展股份有限公司 | Absorption nozzle for road cleaning |
| CN202298534U (en) * | 2011-11-03 | 2012-07-04 | 长沙中联重科环卫机械有限公司 | Feed inlet regulation device for suction nozzle and suction nozzle employing feed inlet regulation device |
| CN202323840U (en) * | 2011-11-18 | 2012-07-11 | 中联重科股份有限公司 | Road sweeping vehicle and suction nozzle device thereof |
| CN104060565A (en) * | 2014-06-27 | 2014-09-24 | 长沙中粮机械有限公司 | Suction nozzle for road sweeper and road sweeper |
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