CN206418450U - A kind of Street surface cleaning car - Google Patents

Abstract

The utility model provides a kind of Street surface cleaning car, including vehicle chassis, water tank, cleaning device, negative pressure device and refuse collector, cleaning device includes at least one water spray unit, and water spray unit is located at the outside of negative pressure device suction inlet, the outlet of negative pressure device is connected with the refuse collector.The current sprayed by water spray unit are cleaned to road, under the impulsive force of current, the dust and other earth's surface rubbish for being attached to road surface depart from ground, the current ejected reflect upwards under the reaction force on ground, the current collaboration dust of reflection and other earth's surface rubbish, enter refuse collector under the suction force effect of negative pressure.The utility model effectively the dust of road pavement and other earth's surface rubbish can carry out cleaning collection, and ensure that road surface is without ponding after cleaning, it effectively prevent and caused muddy water splashing and winter problem icy on road are rolled by wheel in the prior art, and there is preferable lasting effect to the road surface after cleaning.

Description

A kind of Street surface cleaning car

Technical field

The utility model is related to the technical field of Street surface cleaning, specifically a kind of Street surface cleaning car.

Background technology

Existing pavement cleaning vehicle includes cleaning vehicle, sweeping machine, sweeper etc., and different pavement cleaning vehicles have not Same cleaning mode, but above-mentioned cleaning vehicle is that direct road pavement is cleaned or cleaned, although can be larger to volume Rubbish such as leaf is collected, but the collecting effect of the dust and rubber for tire powder for road surface is poor, especially in the presence of Dust and rubber for tire powder at tiny hollow.Also, after cleaning, the mud mixture on road surface can splash to surrounding Pedestrian or vehicle on, winter road surface easily freeze, bring puzzlement to pedestrian and vehicle.

To solve the above problems, CN104831664A discloses a kind of Street surface cleaning vehicle device Street surface cleaning method, including it is clear Cleaning device and drying device, by setting drying device to realize, the road surface after cleaning is dried, it is to avoid the muddy water on road surface is in wheel Roll down and splash on rear car car body, but the design need to additionally set drying device, complicated, manufacturing cost is high, And drying effect is poor, it is impossible to the problem of effectively solving to splash.CN105350484A discloses a kind of vacuum suction and water under high pressure The Street surface cleaning car that jet is combined, including suction base and multiple rotary water jet plates, the delivery port of rotary water jet plate, which is extended into, to be taken out Inhale in the suction chamber in base, high-pressure water jet is sprayed to road surface by rotary water jet plate, the dust on road surface is kicked up and water smoke Change, taken away together with the rubbish for being bonded in earth's surface by negative pressure.But the Street surface cleaning car is used, in rotary water jet plate away from taking out The refuse collection effect inhaled at chamber is poor, and because multiple rotary water jet plates are arranged in suction chamber, suction chamber suction to revolve Turn the cleaning area on the outside of water spray plate, there is cleaning and suction dead angle, the cleanliness factor disposably cleaned is poor.In addition, to make suction The rubbish of intracavitary is pumped, and inevitable requirement negative pressure device power is high, the effect that air inlet is small, flow realizes greatly high negative pressure, because During this cleaning operation, cleaning section is small, and operating efficiency is low, high energy consumption.

Utility model content

The purpose of this utility model, exactly to solve the problem of prior art is present, and devises a kind of Street surface cleaning car, It the dust of road pavement and other earth's surface rubbish can effectively be cleaned, and ensure that road surface, without ponding, is effectively kept away after cleaning Exempt to roll caused muddy water splashing, the easy ice formation issues in winter road surface by wheel in the prior art, had to the road surface after cleaning Preferable lasting effect, and the utility model design science, energy-conservation, in washing and cleaning operation, cleaning section is big, operating efficiency It is high.

The technical solution of the utility model is：The utility model provides a kind of Street surface cleaning car, including vehicle chassis, water Case, cleaning device, negative pressure device and refuse collector, the cleaning device include at least one water spray unit, and the spray Water unit is located at the outside of the negative pressure device suction inlet, and the outlet of the negative pressure device is connected with the refuse collector It is logical.Using the technical program, road surface is cleaned by the water spray unit injection water of cleaning device, in the impact of current Under power, the dust and other earth's surface rubbish for being attached to road surface depart from ground, reaction force of the current ejected on ground Lower reflection upwards, the current collaboration dust of reflection and other earth's surface rubbish, enter refuse collection under the suction force effect of negative pressure Device.Also, the water spray unit is located at the outside of the negative pressure device suction inlet so that the purging zone of each water spray unit It is comprised in the negative pressure region at negative pressure device suction inlet, negative pressure device is strong to the suction capactity of road surface garbage mixture And aspirate uniformly, can effectively lift cleaning effect, and ensure the road surface after cleaning without ponding.

Preferably, multiple described water spray units are arranged in at least two rows, and each water spray unit and another row Adjacent water spray unit be staggered.It using the technical program, ensure that when road is cleaned, it is possible to increase cleaning section, protect Card cleaning improves operating efficiency without dead angle

Preferably, described water spray unit is often arranged provided with least one.

Above-mentioned water spray unit may be configured as following four frame mode：

（1）The water spray unit uses monolithic construction, including the housing with ventilation air duct, the ventilation air duct and institute The suction inlet for stating negative pressure device is connected, and water inlet is provided with the upper end or side of the housing, the water inlet is by entering Waterpipe is connected with water tank, and hole for water spraying is provided with the lower surface of the housing.

Preferably, the ventilation air duct is arranged on the middle part of housing, and set along the axis direction of housing.Using this skill Art scheme, in order to which the current for making injection cooperate with other earth's surface rubbish negative by ventilation air duct warp along the path specified after reflection Pressure device enters refuse collector.

Preferably, the hole for water spraying is provided with multiple, the multiple hole for water spraying annular array.Preferably, the spray The axis side of the axis in water hole to the negative pressure device suction inlet is obliquely installed.Preferably, the axis of the hole for water spraying with Angle between ground is set to 75 ° ~ 80 °.Using the technical program, hole for water spraying sprays high-velocity flow, ground is cleaned, The dust and other earth's surface rubbish that are attached to road surface is departed from ground, form garbage mixture, and make with the reflection of current With and the swabbing action of negative pressure device under, enter refuse collector along fixed route.

（2）The water spray unit uses monolithic construction, including the housing with ventilation air duct, the ventilation air duct and institute The suction inlet for stating negative pressure device is connected, and water inlet is provided with the upper end or side of the housing, the water inlet is by entering Waterpipe is connected with water tank, and the lower end of the housing is provided with annular water spray passage.Can be right using the hole for water spraying of the structure The road surface of water spray unit lower end is cleaned comprehensively, it is to avoid clean dead angle.

Preferably, the angle of annular the water spray passage and housing axis on the housing arbitrary vertical section is set to 10°~15°.Using the design, in order to the current of injection other earth's surface rubbish can be cooperateed with to be passed through by ventilation air duct after reflection Negative pressure device enters refuse collector.

（3）The water spray unit uses split-type structural, including the housing that sets of lower ending opening and detachable with housing Water inlet is provided with the water spray plate of connection, the upper end or side of the housing, the water inlet passes through inlet channel and water tank It is connected, is provided with the housing on ventilation air duct I, the water spray plate and is provided with ventilation air duct II, the ventilation air duct I, Ventilation air duct II is connected with the negative pressure device suction inlet, and hole for water spraying is provided with the lower surface of the water spray plate.

Preferably, the ventilation air duct is arranged on the middle part of housing, and set along the axis direction of housing.

Preferably, the hole for water spraying is provided with multiple, the multiple hole for water spraying annular array.Preferably, the spray The axis side of the axis in water hole to the negative pressure device suction inlet is obliquely installed.Preferably, the axis of the hole for water spraying with Angle between ground is set to 75 ° ~ 80 °.

（4）The water spray unit uses split-type structural, including the housing that sets of lower ending opening and detachable with housing Water inlet is provided with the water spray plate of connection, the upper end or side of the housing, the water inlet passes through inlet channel and water tank It is connected, is provided with the housing on ventilation air duct I, the water spray plate and is provided with ventilation air duct II, the ventilation air duct I, Ventilation air duct II is connected with the negative pressure device suction inlet, and annular water spray passage is provided with the water spray plate.

Preferably, the annular water spray passage and the angle of water spray plate axis on the water spray plate arbitrary vertical section are set For 10 ° ~ 15 °.Using the technical program, the water in housing sprays to form high-velocity flow by the hole for water spraying of water spray plate, to ground Cleaned, the dust and other earth's surface rubbish that are attached to road surface is departed from ground, form garbage mixture, and with current Reflex and negative pressure device swabbing action under, enter refuse collector along ventilation air duct I and ventilation air duct II.Institute Housing is stated to be detachably connected with water spray plate, spray water hole plug or it is impaired when, it is easy to disassemble and change, it is ensured that clean effect.

The technical characteristic of this programme also includes, and the lower end of the water spray unit is additionally provided with block device, the block dress Install the enclosed type weather screen for being set to and matching with the outer peripheral face of the nozzle.Using the block device, it can prevent from filling from nozzle The current for putting ejection are excessive, and guide functions are carried out during for current with ground shock back reflection, and then reduce garbage mixture Loss, improve road table clean rate, and can effectively control the intake into negative pressure device, it is ensured that negative pressure device suction inlet Negative pressure value, it is ensured that road surface cleaning effect.

Preferably, the block device also includes one group of height adjusting unit, the height adjusting unit includes support Support is hinged with wheel and support shaft, the support wheel, the support shaft runs through the support, and coordinates with bracket slide, institute State and spring is arranged with support shaft.Using the technical scheme, when being raised on road surface, support wheel rises, and compresses bullet by support Spring, on road surface during step-down, under the restoring force effect of spring, support is moved downward with support wheel.Using the technical scheme, on road When face is uneven, the flexible of weather screen can be driven by compression and the extension of spring, and then adjust the terrain clearance of weather screen.Make To be preferred, the weather screen uses plastics or elastomeric material.

The technical characteristic of this programme also includes, the negative pressure device include the blower fan that is used cooperatively with water spray unit and with The motor that blower fan is connected, blower fan correspondence installed in the upper end of the water spray unit, the outlet of the blower fan with The refuse collector is connected.The blower fan correspondence water spray unit is set so that the negative pressure region at blower fan suction inlet is contained The purging zone of each water spray unit is covered, cleaning effect can be effectively lifted, and ensures the road surface after cleaning without ponding.

The technical characteristic of this programme also includes, and the refuse collector includes garbage collection tank and slush pump, the rubbish The hold-down support to fixed water spray unit is provided with rubbish collecting tank, the water spray unit is detachably connected with hold-down support, The slush pump exports the garbage mixture in garbage collection tank to carry out further separation of solid and liquid processing.

Preferably, the refuse collector also includes gas-liquid separator, the upper end of the garbage collection tank is provided with Air discharge ports, the entrance of the gas-liquid separator is connected with the air discharge ports.The gas-liquid separator can make sludge with Air is separated, and prevents sludge to be dumped into air.

Preferably, the refuse collector also include arrangement for adjusting height, one end of the arrangement for adjusting height with Garbage collection tank is fixedly connected, the other end is fixedly connected with the chassis of the Street surface cleaning car.And then will when non-operation is travelled Refuse collector lifts.

Preferably, the arrangement for adjusting height includes hydraulic pressure lifting device, universal joint and locating wheel, the locating wheel is hinged There is support, one end of the universal joint is fixedly connected with the lower end of hydraulic pressure lifting device, the other end is fixedly connected with support；Or, The arrangement for adjusting height includes Pneumatic lifting/lowering device, universal joint and locating wheel, and the locating wheel is hinged with support, the universal joint One end be fixedly connected with the lower end of Pneumatic lifting/lowering device, the other end is fixedly connected with support, rubbish is received when non-operation is travelled Acquisition means lift.

The technical characteristic of this programme also includes, and the Street surface cleaning car also includes equipment for separating liquid from solid, the separation of solid and liquid Device includes at least one expansion chamber, and the bottom of the expansion chamber is connected, and screen pack is provided between adjacent expansion chamber, described The bottom of expansion chamber, which is provided with sewage draining exit, the sewage draining exit, is provided with spiral excretion machine, the delivery port and water of the expansion chamber Case is connected.Using the technical program, sludge and impurity etc. are settled in expansion chamber bottom, and are discharged by spiral excretion machine, dirty Water passes through the filtration of screen pack, and more clear water, which enters in water tank, is recycled utilization.

The technical characteristic of this programme also includes, along the cleaning direction of cleaning vehicle, is provided with front of the cleaning device pre- Cleaning device, to soak, soft surface cheats the long-pending native of recess, is that Street surface cleaning creates conditions.

The technical characteristic of this programme also includes, and the prewashing device includes prewashing nozzle, remove contamination spiral brush sifter and height regulation Device, the prewashing nozzle is connected by pipeline with water tank, and the spiral brush sifter of removing contamination is provided with least one, and is filled by power Put driving to clean ground, improve and clean effect.

Preferably, the arrangement for adjusting height includes hydraulic pressure lifting device, universal joint and locating wheel, the locating wheel is hinged There is support, one end of the universal joint is fixedly connected with the lower end of hydraulic pressure lifting device, the other end is fixedly connected with support；Or, The arrangement for adjusting height uses Pneumatic lifting/lowering device, universal joint and locating wheel, and the locating wheel is hinged with support, the universal joint One end be fixedly connected with the lower end of Pneumatic lifting/lowering device, the other end is fixedly connected with support, will be pre- in operation or when needing prewashing Cleaning device drop to ground, is fixed by locating wheel；Prewashing device is lifted when non-operation is travelled or does not need prewashing.

The beneficial effects of the utility model can be drawn by such scheme：（1）A kind of Street surface cleaning car, including vehicle bottom Disk, water tank, cleaning device, negative pressure device and refuse collector, wherein, cleaning device includes at least one water spray unit, and Water spray unit is located at the outside of negative pressure device suction inlet, and the outlet of negative pressure device is connected with the refuse collector.It is logical Cross water spray unit injection current to road surface clean, under the impulsive force of current, be attached to road surface dust and its His earth's surface rubbish departs from ground, and under the reflex and the swabbing action of negative pressure device with current, is passed through according to assigned direction Negative pressure device enters refuse collector.Collected garbage mixture can carry out separation of solid and liquid, to be followed to the water isolated Ring is utilized.The utility model can the effectively dust of road pavement and other earth's surface rubbish cleaned, and ensure cleaning after road Face is prevented effectively from without ponding and rolls caused muddy water splashing, the easy ice formation issues in winter road surface by wheel in the prior art, and to clean Net road surface has preferable lasting effect；（2）In the utility model, blower fan is corresponded with water spray unit and set in negative pressure device Put so that the purging zone of each water spray unit is comprised in the negative pressure region at blower fan suction inlet, and negative pressure device is to road The suction capactity of surface debris mixture is strong and aspirates uniformly, can effectively lift road-cleaning effect；（3）The utility model The Street surface cleaning car of offer cleans section in washing and cleaning operation greatly, and up to 2.5-3 meters, operating efficiency is high；（4）The utility model is carried The Street surface cleaning car of confession, Street surface cleaning is clean, thorough, and road surface need not be cleaned everyday, can maintain a couple of days, so greatly reduce work Industry amount, saves human and material resources, and scientific allocation, energy-conservation, operating efficiency is high, energy consumption is low.

As can be seen here, the utility model has substantive distinguishing features and progress compared with prior art, its beneficial effect implemented Fruit is also obvious.

Brief description of the drawings：

Fig. 1 is structural representation of the present utility model；

Fig. 2 is a kind of arrangement schematic diagram of water spray unit in cleaning device；

Fig. 3 is another arrangement schematic diagram of water spray unit in cleaning device；

Fig. 4 is the structural representation of cleaning device, negative pressure device and refuse collector in the utility model；

Fig. 5 is Fig. 4 overlooking the structure diagram；

Fig. 6 be in Fig. 5 A to cross section structure diagram；

Enlarged diagram when Fig. 7 uses monolithic construction for water spray unit in Fig. 6 at I；

Enlarged diagram when Fig. 8 uses split-type structural for water spray unit in Fig. 6 at I；

Fig. 9 is the arrangement schematic diagram of the hole for water spraying of annular array in water spray unit；

Figure 10 is the schematic diagram of annular water spray passage in water spray unit；

Figure 11 is the structural representation of equipment for separating liquid from solid；

Figure 12 is the structural representation of prewashing device；

Figure 13 be in Figure 12 D to cross section structure diagram；

Figure 14 is the water supply schematic diagram of water tank.

Wherein, 1 is chassis, and 2 be prewashing device, and 3 be cleaning device, and 4 be negative pressure device, and 5 be equipment for separating liquid from solid, and 6 are Water tank, 7 be arrangement for adjusting height, and 8 be gas-liquid separator, and 9 be garbage collection tank, and 10 be water spray unit, and 11 be motor, 12 It is air discharge ports for blower fan, 13,14 be prewashing nozzle, and 15 be blower fan outlet, and 16 be slush pump, and 17 be housing, and 18 be logical Wind air channel, 19 be hole for water spraying, and 20 be weather screen, and 21 be housing, and 22 be water spray plate, and 23 be ventilation air duct I, and 24 be ventilation air duct II, 25 be annular water spray passage, and 26 be import, and 27 be expansion chamber I, and 28 be expansion chamber II, and 29 be expansion chamber III, and 30 be screen pack, 31 It is delivery port for water filling port, 32,33 be spiral excretion machine, and 34 be solid collecting tank, and 35 be prewashing pipeline, and 36 be protective cover, 37 It is bearing block for spiral brush sifter of removing contamination, 38,39 be motor, and 40 be decelerator, and 41 be flow regulator, and 42 be water pump, and 43 be cleaning Pipeline, 44 be height adjusting unit.

Embodiment：

In order to more fully understand the utility model, this practicality is explained in detail with reference to embodiment and accompanying drawing new Type.

The utility model provides a kind of Street surface cleaning car, including vehicle chassis 1, water tank 6, cleaning device 3, negative pressure device 4th, refuse collector and equipment for separating liquid from solid 5, along Street surface cleaning before nearly direction, the front side of cleaning device 3 is provided with prewashing Device 2.Cleaning device includes at least one water spray unit 10, and water spray unit 10 is located at the outer of the suction inlet of negative pressure device 4 Side, the outlet of negative pressure device 4 is connected with the refuse collector.The import 26 and refuse collection of equipment for separating liquid from solid 5 Device is connected, and separation of solid and liquid, water outlet end and the phase of water tank 6 of equipment for separating liquid from solid 5 are carried out to the garbage mixture being collected into Connection, is recycled with the water to separation.

Prewashing device

In the present embodiment, prewashing device 2 includes prewashing nozzle 14, spiral brush sifter 37 of removing contamination, protective cover 36 and to drive The power set of dynamic spiral brush sifter 37 of removing contamination.The prewashing nozzle 14 is connected by prewashing pipeline 35 with water tank 6.Remove contamination spiral brush sifter 37 are fixedly connected in the protective cover 36, and garbage mixture outwards splashes during the protective cover 36 can prevent prewashing.Clearly Dirty spiral brush sifter 37 is provided with two, between spiral brush sifter 37 of removing contamination rotating Vortex or be set to reversely rotate.Power set include electricity Machine 39 and decelerator 40, motor 39 are connected by decelerator 40 with spiral brush sifter 37 of removing contamination.Prewashing is carried out by prewashing device 2, The rubbish such as rubber powder, the product soil that effectively can be gathered to hard surface top layer are soaked, loose is handled, in order to carry out road Cleaning.

Above-mentioned prewashing device 2 also includes arrangement for adjusting height 7, one end of arrangement for adjusting height 7 and the chassis 1 of cleaning equipment It is fixedly connected, the other end is fixedly connected with the protective cover 36 of prewashing device 2.The arrangement for adjusting height 7 includes following structure shape Formula：1st, the arrangement for adjusting height 7 includes hydraulic pressure lifting device, universal joint and locating wheel, and the locating wheel is hinged with support, described One end of universal joint is fixedly connected with the lower end of hydraulic pressure lifting device, the other end is fixedly connected with support.2nd, the height regulation dress 7 are put using Pneumatic lifting/lowering devices, universal joint and locating wheel, the locating wheel is hinged with support, one end of the universal joint with it is pneumatic The lower end of lifter is fixedly connected, the other end is fixedly connected with support, and in operation or when needing prewashing, prewashing device 2 is landed To ground, fixed, lift prewashing device 2 by locating wheel when non-operation is travelled or does not need prewashing.

, can be according to the working condition of the clean-up performance reasonable selection prewashing device 2 on road surface, if road surface is accumulated in Street surface cleaning When native soft or road surface accumulates native less, prewashing device 2 can be not turned on.Flow regulator 41 is provided with water system, can root Injection flow rate is adjusted according to the actual conditions during road-cleaning.

Cleaning device

Cleaning device includes water tank 6, water pump 42 and water spray unit 10, and water spray unit 10 is arranged at least two rows, and often row sets There is at least one water spray unit 10, and adjacent water spray unit 10 is staggered each water spray unit 10 with another row's.At this In embodiment, cleaning device 3 includes two row's water spray units 10, and first row water spray unit 10 is provided with five, and second row water spray is single Member 10 is provided with six, and each water spray unit 10 and the two neighboring water spray unit 10 of another row are staggered.Using this skill Art scheme, during Street surface cleaning, can increase cleaning section, and solve due to water spray unit and the size of negative pressure device , there is the problem of cleaning dead angle in limitation, improve and clean effect after mounting.

Or, as shown in Fig. 2 water spray unit 10 be provided with it is multiple rows of, often row be provided with one, the water spray unit 10 of adjacent two row Between be staggered.The design can equally realize that increase cleans section, it is to avoid clean dead angle.

Above-mentioned water spray unit 10 may be configured as following four frame mode：

（1）The water spray unit 10 uses monolithic construction, including the housing 17 with ventilation air duct 18, the ventilation wind Road 18 is connected with the suction inlet of negative pressure device 4, and water inlet, the water inlet are provided with the upper end or side of the housing 17 Mouth is connected by inlet channel with water tank 6, and hole for water spraying 19 is provided with the lower surface of the housing 17.Ventilation air duct 18 is set Set at the middle part of housing 17, and along the axis direction of housing 17.Hole for water spraying 19 is provided with multiple and arranged in a ring.Water spray The axis side of the axis in hole 19 to the suction inlet of negative pressure device 4 is obliquely installed.Between the axis of hole for water spraying 19 and ground Angle is set to 75 ° ~ 80 °.Using the technical program, hole for water spraying 19 sprays high-velocity flow, ground is cleaned, makes to be attached to The dust of road surface and other earth's surface rubbish depart from ground, form garbage mixture, and reflex with current and negative Under the swabbing action of pressure device, refuse collector is entered by negative pressure device through ventilation air duct 18 along fixed route.

（2）The water spray unit 10 uses monolithic construction, including the housing 17 with ventilation air duct 18, the ventilation wind Road 18 is connected with the suction inlet of the negative pressure device 4, is provided with water inlet on the upper end or side of the housing 17, it is described enter The mouth of a river is connected by inlet channel with water tank 6, and the lower end of the housing 17 is provided with annular water spray passage 25.The housing 17 The angle of annular water spray passage 25 and its axis on arbitrary vertical section is set to 10 ° ~ 15 °., can be to spray using the structure The road surface of water unit lower end is cleaned comprehensively, it is to avoid clean dead angle.

（3）The water spray unit 10 uses split-type structural, including the housing 21 that sets of lower ending opening and with housing 21 Water inlet is provided with the water spray plate 22 being detachably connected, the upper end or side of the housing 21, the water inlet passes through water inlet Pipeline is connected with water tank 6, is provided with the housing 21 on ventilation air duct I 23, the water spray plate 22 and is provided with ventilation air duct II 24, the ventilation air duct I 23, ventilation air duct II 24 are connected with the suction inlet of negative pressure device 4, under the water spray plate 22 Hole for water spraying 19 is provided with end face.Hole for water spraying 19 is provided with multiple and arranged in a ring.The axis of hole for water spraying 19 is to the negative pressure The axis side of the suction inlet of device 4 is obliquely installed.Angle between the axis of hole for water spraying 19 and ground is set to 75 ° ~ 80 °.

（4）The water spray unit 10 uses split-type structural, including the housing 21 that sets of lower ending opening and with housing 21 Water inlet is provided with the water spray plate 22 being detachably connected, the upper end or side of the housing 21, the water inlet passes through water inlet Pipeline is connected with water tank 6, is provided with the housing 21 on ventilation air duct I 23, the water spray plate 22 and is provided with ventilation air duct II 24, the ventilation air duct I 23, ventilation air duct II 24 are connected with the suction inlet of negative pressure device 4, are set on the water spray plate 22 It is equipped with annular water spray passage 25.The angle of annular water spray passage 25 and its axis on the arbitrary vertical section of water spray plate 22 is set It is set to 10 ° ~ 15 °.

The section of above-mentioned water spray plate 22 and the section of housing 21 or the section of housing 17 may be configured as annulus or elliptical ring or It is back-shaped.Use water to terminate an agreement, the aperture of hole for water spraying 19 is smaller to be more beneficial to water saving, but aperture it is too small when easily block, above-mentioned water spray Hole 19 is set to 0.03-0.05mm.

The lower end of water spray unit 10 is additionally provided with the enclosed type weather screen 20 matched with the outer peripheral face of water spray unit.Using this Block device, can prevent that the current from spray nozzle device ejection are excessive, and led during for current with ground shock back reflection Stream is acted on, and then reduces the loss of garbage mixture, improves road table clean rate, and can effectively control into negative pressure device Intake, it is ensured that the negative pressure value at negative pressure device suction inlet, it is ensured that suction effect.

The block device also includes one group of height adjusting unit 44, and the height adjusting unit 44 includes support wheel and branch Support and support is hinged with axle, the support wheel, the support shaft runs through the support, and coordinates with bracket slide, the support Spring is arranged with axle.Using the technical scheme, when being uneven on road surface, it can be driven and enclosed with extension by the compression of spring Curtain flexible and unfold, and then adjust the terrain clearance of weather screen.Preferably, the weather screen uses polytetrafluoroethylene (PTFE) or rubber.

Negative pressure device

As shown in fig. 6, negative pressure device 4 includes the blower fan 12 that is used cooperatively with water spray unit and is connected with blower fan 12 Motor 16, the correspondence of blower fan 12 is installed in the top of the water spray unit 10.As shown in fig. 7, the import of the blower fan 12 with The ventilation air duct 18 of water spray unit 10 is connected, and the outlet 15 of blower fan 12 is connected with refuse collector.Using this technology Scheme, the current ejected by water spray unit 10 cooperate with dirt after road surface is reached under the reaction force with road surface Soil and other earth's surface rubbish reflect upwards, due to pressure value subatmospheric 1000Pa ~ 3000 of the blower fan 12 at suction inlet Pa, and the suction inlet of blower fan 12 is connected with the ring-type heavy curtain area that the injection water is formed, in the presence of suction force, rubbish Mixture enters blower fan 12 through ventilation air duct, and is transferred to refuse collector by the outlet 15 of blower fan 12.And then cause During road-cleaning so that the ponding on road surface is reclaimed, it is ensured that road surface and inside are remained without ponding.

Or, using split-type structural water spray unit 10 when, as shown in figure 8, the import of the blower fan 12 and water spray are single The ventilation air duct I 23 of member is connected with ventilation air duct II 24, and the outlet 15 of blower fan 12 is connected with refuse collector.It is above-mentioned Blower fan 12 can use centrifugal fan or centrifugal blower or propeller fan.

In cleaning process, the ejection pressure of current is more big, is more conducive to Street surface cleaning and current to carry out rubbish after reflecting The collection of mixture, but pressure is too high can destroy road surface, and the pressure that above-mentioned current spray is set to 3-5 kilograms；Blower fan 12 is liftoff When height is lower, more beneficial to the hoisting depth for reducing garbage mixture, the capacity gauge of garbage mixture is improved, energy consumption is reduced. In the present embodiment, the delivery port terrain clearance of blower fan 12 is set to 300 ~ 500mm, in cleaning, the experiment proved that, clear using this Carwash is to containing 20g/m²The road surface of soil is cleaned, and cleaning rate is up to 95%.

Refuse collector

Refuse collector includes being provided with garbage collection tank 9 and slush pump 16, garbage collection tank 9 to fixed water spray The hold-down support of unit 10, water spray unit 10 is detachably connected with hold-down support, and the slush pump 16 is by garbage collection tank 9 Garbage mixture exports to carry out further separation of solid and liquid processing.In the present embodiment, hold-down support is provided with two rows, the first row Middle hold-down support is provided with hold-down support in five, the second row and is provided with 6, is corresponded with water spray unit 10.Water spray unit 10 are removably mounted in hold-down support.Using the technical program, during Street surface cleaning, cleaning section can be increased, and And solve, due to water spray unit and the limitation of the size of blower fan, to there is the problem of cleaning dead angle after mounting, improve and clean effect.

The front and rear sides of above-mentioned refuse collector are respectively arranged with arrangement for adjusting height 7, the arrangement for adjusting height 7 One end is fixedly connected with garbage collection tank 9, the other end is fixedly connected with the chassis 1 of the Street surface cleaning car.Arrangement for adjusting height 7 Including hydraulic pressure lifting device, universal joint and locating wheel, the locating wheel is hinged with support, one end of the universal joint and hydraulic lifting The lower end of device is fixedly connected, the other end is fixedly connected with support；Or, the arrangement for adjusting height 7 includes Pneumatic lifting/lowering device, ten thousand To section and locating wheel, the locating wheel is hinged with support, one end of the universal joint is fixedly connected with the lower end of Pneumatic lifting/lowering device, The other end is fixedly connected with support, lifts refuse collector when non-operation is travelled.

Gas-liquid separator 8 is additionally provided with the chassis 1 of the Street surface cleaning car, the upper end of garbage collection tank 9 is provided with air Floss hole 13, the entrance of gas-liquid separator 8 is connected with the air discharge ports 13.The gas-liquid separator 8 can mix rubbish Thing is separated with air, prevents sludge to be dumped into air.

The sewage collected by above-mentioned refuse collector is directly transferred to the garbage mixture collecting tank in the cleaning vehicle, rubbish Spiral excretion machine is provided with below rubbish mixture collecting tank, after garbage mixture is collected completely, separation of solid and liquid and recovery is not required to Utilize, garbage mixture is directly emitted into the garbage mixture bleeding point specified.Or, the refuse collector and solid-liquid point It is connected from device, is recycled with the garbage mixture to collection.

Equipment for separating liquid from solid

In the present embodiment, equipment for separating liquid from solid 5 includes three expansion chambers, respectively expansion chamber I 27, the and of expansion chamber II 28 It is provided with screen pack 30 between expansion chamber III 29, adjacent expansion chamber, expansion chamber I 27, expansion chamber II 28 and expansion chamber III 29 Bottom is connected, and the bottom of the equipment for separating liquid from solid 5, which is provided with sewage draining exit, the sewage draining exit, is provided with spiral excretion machine 33, the solid in the garbage mixture of collection includes impurity and sludge etc. in the sedimentation of expansion chamber bottom, and passes through spiral excretion machine 33 are discharged into solid collecting tank 34.Water in the garbage mixture is filtered after screen pack 30, and via expansion chamber III Screen pack 30 between 29 and water tank 6 enters water tank 6 after filtering, to be recycled to the water in garbage mixture.

The Street surface cleaning car that the utility model is provided effectively can enter to the grit of road surface and other earth's surface rubbish Row is cleaned, and ensures swept rear road surface without ponding, be effectively prevent and is rolled caused muddy water mixing by wheel in the prior art Thing spattering problem, has preferable lasting effect, and design science, energy-conservation to the road surface after cleaning, in washing and cleaning operation, clearly Clean section is big, substantially increases operating efficiency.

Described above is not that, to limitation of the present utility model, the utility model is also not limited to the example above, this skill The variations, modifications, additions or substitutions that the those of ordinary skill in art field is made in essential scope of the present utility model, also should Belong to protection domain of the present utility model.

Claims (28)

1. a kind of Street surface cleaning car, including vehicle chassis, water tank, cleaning device, negative pressure device and refuse collector, its feature It is：The cleaning device includes at least one water spray unit, and the water spray unit is located at the negative pressure device suction inlet Outside, the outlet of the negative pressure device is connected with the refuse collector.

2. Street surface cleaning car as claimed in claim 1, it is characterised in that：Multiple described water spray units are arranged at least two Row, and adjacent water spray unit is staggered each water spray unit with another row's.

3. Street surface cleaning car as claimed in claim 2, it is characterised in that：Described water spray unit is often arranged provided with least one.

4. the Street surface cleaning car as described in claim 1 or 2 or 3, it is characterised in that：The water spray unit uses monoblock type knot Structure, including the housing with ventilation air duct, the ventilation air duct are connected with the negative pressure device suction inlet, the housing it is upper Water inlet is provided with end or side, the water inlet is connected by inlet channel with water tank, on the lower surface of the housing It is provided with hole for water spraying.

5. Street surface cleaning car as claimed in claim 4, it is characterised in that：The ventilation air duct is arranged in the housing Portion, and set along the axis direction of housing.

6. Street surface cleaning car as claimed in claim 4, it is characterised in that：The hole for water spraying is provided with multiple, the multiple spray Water hole annular array.

7. Street surface cleaning car as claimed in claim 6, it is characterised in that：The axis of the hole for water spraying is inhaled to the negative pressure device The axis side of entrance is obliquely installed.

8. Street surface cleaning car as claimed in claim 7, it is characterised in that：Angle between the axis of the hole for water spraying and ground It is set to 75 ° ~ 80 °.

9. the Street surface cleaning car as described in claim 1 or 2 or 3, it is characterised in that：The water spray unit uses monoblock type knot Structure, including the housing with ventilation air duct, the ventilation air duct are connected with the negative pressure device suction inlet, the housing it is upper Water inlet is provided with end or side, the water inlet is connected by inlet channel with water tank, the lower end of the housing is set There is annular water spray passage.

10. Street surface cleaning car as claimed in claim 9, it is characterised in that：Annular spray on the housing arbitrary vertical section The angle of aquaporin and housing axis is set to 10 ° ~ 15 °.

11. the Street surface cleaning car as described in claim 1 or 2 or 3, it is characterised in that：The water spray unit uses split type knot On structure, including the lower ending opening housing set and the water spray plate being detachably connected with housing, the upper end or side of the housing Water inlet is provided with, the water inlet is connected by inlet channel with water tank, ventilation air duct I, institute are provided with the housing State and ventilation air duct II is provided with water spray plate, the ventilation air duct I, ventilation air duct II are connected with the negative pressure device suction inlet It is logical, it is provided with hole for water spraying on the lower surface of the water spray plate.

12. Street surface cleaning car as claimed in claim 11, it is characterised in that：The ventilation air duct I is arranged on the housing Middle part, and set along the axis direction of housing.

13. Street surface cleaning car as claimed in claim 11, it is characterised in that：The hole for water spraying be provided with it is multiple, it is the multiple Hole for water spraying annular array.

14. Street surface cleaning car as claimed in claim 13, it is characterised in that：The axis of the hole for water spraying is to the negative pressure device The axis side of suction inlet is obliquely installed.

15. Street surface cleaning car as claimed in claim 14, it is characterised in that：Folder between the axis of the hole for water spraying and ground Angle is set to 75 ° ~ 80 °.

16. the Street surface cleaning car as described in claim 1 or 2 or 3, it is characterised in that：The water spray unit uses split type knot On structure, including the lower ending opening housing set and the water spray plate being detachably connected with housing, the upper end or side of the housing Water inlet is provided with, the water inlet is connected by inlet channel with water tank, ventilation air duct I, institute are provided with the housing State and ventilation air duct II is provided with water spray plate, the ventilation air duct I, ventilation air duct II are connected with the negative pressure device suction inlet It is logical, annular water spray passage is provided with the water spray plate.

17. Street surface cleaning car as claimed in claim 16, it is characterised in that：Annular on the water spray plate arbitrary vertical section Water spray passage and the angle of water spray plate axis are set to 10 ° ~ 15 °.

18. the Street surface cleaning car as described in claim 1 or 2 or 3, it is characterised in that：The lower end of the water spray unit is also set up There is block device, the block device is set to the enclosed type weather screen matched with the outer peripheral face of the water spray unit.

19. Street surface cleaning car as claimed in claim 18, it is characterised in that：The block device also includes one group of height and adjusted Unit, the height adjusting unit includes being hinged with support on support wheel and support shaft, the support wheel, and the support shaft runs through The support, and coordinate with bracket slide, the support shaft is provided with spring.

20. the Street surface cleaning car as described in claim 1 or 2 or 3, it is characterised in that：The negative pressure device includes single with water spray Blower fan that member is used cooperatively and the motor being connected with the blower fan, the assembling are upper the water spray unit End, the outlet of the blower fan is connected with the refuse collector.

21. the Street surface cleaning car as described in claim 1 or 2 or 3, it is characterised in that：The refuse collector includes rubbish The hold-down support of fixed water spray unit is provided with collecting tank and slush pump, the garbage collection tank, the water spray unit is with consolidating Determine bearing to be detachably connected, the slush pump shifts the garbage mixture in garbage collection tank to carry out further solid-liquid point From processing.

22. Street surface cleaning car as claimed in claim 21, it is characterised in that：The refuse collector also includes gas-liquid separation Device, the upper end of the garbage collection tank is provided with air discharge ports, the entrance of the gas-liquid separator and the air discharge ports It is connected.

23. Street surface cleaning car as claimed in claim 22, it is characterised in that：The refuse collector also includes height and adjusted Device, one end of the arrangement for adjusting height is fixedly connected with garbage collection tank, the chassis of the other end and the Street surface cleaning car It is fixedly connected.

24. Street surface cleaning car as claimed in claim 23, it is characterised in that：The arrangement for adjusting height includes hydraulic lifting Device, universal joint and locating wheel, the locating wheel are hinged with support, and one end of the universal joint and the lower end of hydraulic pressure lifting device are fixed Connection, the other end are fixedly connected with support；

Or, the arrangement for adjusting height includes Pneumatic lifting/lowering device, universal joint and locating wheel, and the locating wheel is hinged with support, One end of the universal joint is fixedly connected with the lower end of Pneumatic lifting/lowering device, the other end is fixedly connected with support, in non-operation traveling When refuse collector is lifted.

25. the Street surface cleaning car as described in claim 1 or 2 or 3, it is characterised in that：The Street surface cleaning car also includes solid-liquid Separator, the equipment for separating liquid from solid includes at least one expansion chamber, and the bottom of the expansion chamber is connected, adjacent expansion chamber Between be provided with screen pack, the bottom of the expansion chamber, which is provided with sewage draining exit, the sewage draining exit, is provided with spiral excretion machine, institute The delivery port for stating expansion chamber is connected with water tank.

26. the Street surface cleaning car as described in claim 1 or 2 or 3, it is characterised in that：Along the cleaning direction of Street surface cleaning car, institute State and prewashing device is provided with front of cleaning device.

27. Street surface cleaning car as claimed in claim 26, it is characterised in that：The prewashing device includes prewashing nozzle, removed contamination Spiral brush sifter and arrangement for adjusting height, the prewashing nozzle are connected by pipeline with water tank, the spiral brush sifter of removing contamination be provided with to It is few one, and driven by power set.

28. Street surface cleaning car as claimed in claim 27, it is characterised in that：The arrangement for adjusting height includes hydraulic lifting Device, universal joint and locating wheel, the locating wheel are hinged with support, and one end of the universal joint and the lower end of hydraulic pressure lifting device are fixed Connection, the other end are fixedly connected with support；

Or, the arrangement for adjusting height uses Pneumatic lifting/lowering device, universal joint and locating wheel, and the locating wheel is hinged with support, One end of the universal joint is fixedly connected with the lower end of Pneumatic lifting/lowering device, the other end is fixedly connected with support, in non-operation traveling Or lift prewashing device when not needing prewashing.