CN214832259U - Fuel cell washing and sweeping vehicle - Google Patents

Abstract

The utility model belongs to the technical field of cleaning vehicle technology, and provides a fuel cell washing and sweeping vehicle, which comprises a chassis, a plurality of boxes, a plurality of power sources and a plurality of cleaning mechanisms, wherein the boxes and the cleaning mechanisms are driven to move by the power sources; the cleaning mechanism is arranged at the bottom side of the chassis and comprises a water absorption disc, the water absorption disc comprises a suction port, an air passage, an air return pipe and an air blowing nozzle, the air passage is communicated with the air blowing nozzle and the air return pipe, the air blowing nozzle is arranged towards the suction port, an inclined baffle is arranged on one side of the suction port far away from the air blowing nozzle, the inclined baffle forms an alpha angle with the ground, and alpha is more than 0 degrees and less than 90 degrees; the utility model discloses a set up the dish brush on the chassis and the dish that absorbs water and come to clean dust, rubbish, sewage and the small stone on ground, come the auxiliary cleaning through setting up the inclined baffle simultaneously, guarantee that the dead phenomenon of fender can not appear in the solid foreign matter.

Description

Fuel cell washing and sweeping vehicle

Technical Field

The utility model relates to a cleaning cart technical field particularly, relates to a fuel cell washes and sweeps car.

Background

With the rapid development of urban industrialization, the problems of environmental pollution and the like are inevitably brought. With the continuous improvement of living standard, the harm of environmental pollution to the health is more and more paid attention to by people. Studies have shown that the smaller the particles contained in the air, the greater the harm to the human body, since the smaller the diameter of the particles, the more likely they will enter deeper into the respiratory tract. For example, particulate matter of PM10 diameter is usually deposited in the upper respiratory tract, while particulate matter of PM2.5 and below diameter can penetrate deeply into the alveoli, directly affecting the ventilation function of the lungs and damaging human health; the air particulate matter mainly comprises industrial production or automobile exhaust emission, and can be deposited on the ground when the air circulation on the ground is slow, so that a very necessary problem is how to effectively clean the dust on the ground along with stones and garbage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fuel cell washes and sweeps car, it comes to clean dust, rubbish, sewage and the small stone on ground through set up the dish brush on the chassis and the dish that absorbs water, comes the auxiliary cleaning through setting up the oblique baffle simultaneously, guarantees that the dead phenomenon of fender can not appear in the solid foreign matter.

The embodiment of the utility model discloses a realize through following technical scheme: a fuel cell washing and sweeping vehicle comprises a chassis, a plurality of box bodies, a plurality of power sources and a plurality of cleaning mechanisms, wherein the box bodies, the power sources and the cleaning mechanisms are arranged on the chassis; the cleaning mechanism is arranged at the bottom side of the chassis and comprises a water absorbing disc, the water absorbing disc comprises a suction port, an air passage, an air return pipe and an air blowing nozzle, the air passage is communicated with the air blowing nozzle and the air return pipe, the air blowing nozzle faces the suction port, an inclined baffle is arranged on one side of the suction port far away from the air blowing nozzle, the inclined baffle forms an alpha angle with the ground, and alpha is more than 0 degrees and less than 90 degrees.

Furthermore, the plurality of box bodies comprise a sewage tank, a garbage can, a water tank, a chassis gas storage tank, a hydraulic oil tank and an auxiliary gas storage tank; the power sources comprise a hydraulic transmission system, a pneumatic transmission system, a motor transmission system and an electric transmission system.

Furthermore, a water spray head is arranged between the suction port and the air blowing nozzle, the height of the water spray head is higher than that of the air blowing nozzle, and a high-pressure flushing pipe is arranged at the tail end of the water spray head.

Furthermore, a middle cross bar is detachably arranged between the suction port and the air blowing nozzle, and the middle cross bar is close to the suction port and is lower than the opening height of the suction port.

Furthermore, the air blowing nozzle is composed of a lower tongue plate of the air blowing nozzle and an upper baffle of the air blowing nozzle, the lower tongue plate of the air blowing nozzle is detachably connected to the chassis through a support plate, and the upper baffle of the air blowing nozzle is detachably connected to the chassis through the support plate.

Further, still be equipped with a plurality of air cock baffles under the blowing nozzle between hyoplastron and the blowing nozzle overhead gage, the quantity of air cock baffle is unanimous and the air cock baffle is cut apart the blowing nozzle into a plurality of gas outlets with the sprinkler bead, and the gas outlet setting is at the fan-shaped rivers intersection of two sprinkler beads.

Furthermore, the power source also comprises a high-pressure water-saving system, wherein the high-pressure water-saving system comprises a water-saving component, a water tank and a water using system, and the water using system comprises a spray head, a water spraying head and cleaning water; the water-saving assembly is used for connecting a water tank and a water system, the water-saving assembly comprises a water inlet pipe and a water return pipe, the water inlet pipe is connected with the water tank and the water system, the water return pipe is connected with the water system and the water tank, a first pressure relief pipe and a second pressure relief pipe are arranged between the water inlet pipe and the water return pipe, the second pressure relief pipe is close to the water tank, a normally open electromagnetic valve and a low-pressure relief valve are arranged on the first pressure relief pipe, and a high-pressure relief valve is arranged on the second pressure relief pipe.

Further, the hydraulic transmission system includes a hydraulic dual-pump drive system, and the hydraulic dual-pump drive system includes: the hydraulic system comprises a hydraulic oil tank, a plurality of actuating mechanisms and a hydraulic valve group consisting of a plurality of hydraulic valves, wherein each hydraulic valve is correspondingly connected with one actuating mechanism, the hydraulic system also comprises a power source assembly, a first three-way valve and a second three-way valve, an oil outlet pipe of the hydraulic oil tank is connected with an oil inlet end of the power source assembly, three ports of the first three-way valve are respectively connected with the oil outlet pipe of the power source assembly, the oil inlet pipe of the hydraulic valve group and a rodless cavity of a lifting oil cylinder in the actuating mechanism, and three ports of the second three-way valve are respectively connected with the oil outlet pipe of the hydraulic valve group, an oil return pipe of the hydraulic oil tank and a rod cavity of the lifting oil cylinder in the actuating mechanism; the power source assembly comprises a main engine power source and an auxiliary engine power source which are connected in parallel, the main engine power source comprises a main engine oil pump driven by a main engine and a first one-way valve connected with the main engine oil pump in series, the auxiliary engine power source comprises an auxiliary engine oil pump driven by an auxiliary engine and a second one-way valve connected with the auxiliary engine oil pump in series, the power source assembly further comprises a relief valve overflow valve, a port P and a port P1 of an oil outlet pipe way relief valve overflow valve of the power source assembly are connected with a first three-way valve, and a port T1 of an oil return pipe way hydraulic valve of the hydraulic oil tank are connected with a second three-way valve.

Further, pneumatic transmission system includes facial make-up pneumatic safety control system, and facial make-up pneumatic safety control system includes: the pneumatic control device comprises a chassis gas storage tank, a pneumatic actuating mechanism and a pneumatic control valve connected between the chassis gas storage tank and the pneumatic actuating mechanism, wherein a switch valve is arranged on one side, close to the chassis gas storage tank, of a pipeline between the chassis gas storage tank and the pneumatic control valve, and a loading auxiliary gas storage tank is arranged on the pipeline between the switch valve and the pneumatic control valve.

Furthermore, a pressure regulating valve is arranged on a pipeline between the switch valve and the pneumatic control valve; the pneumatic control valve is provided with a gas path exhaust muffler.

The utility model discloses technical scheme has following advantage and beneficial effect at least: the inclined baffle is arranged to reduce the volume of the dust collection chassis, a better negative pressure area can be formed, meanwhile, an obliquely downward force can be formed between the solid foreign matter and the inclined baffle due to the fact that the inclined baffle is obliquely arranged, one component of the force is vertically downward, the inclined baffle is supported by the solid foreign matter, the solid foreign matter can conveniently enter the suction port, the process of blocking the solid foreign matter cannot occur, and the solid foreign matter can be guaranteed to smoothly enter the suction port.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a fuel cell washing and sweeping vehicle provided by the present invention;

FIG. 2 is a schematic structural view of a water absorbing tray in a fuel cell washing and sweeping vehicle according to the present invention;

FIG. 3 is a schematic structural view of the cross section of the fan-shaped water flow in the water absorption tray of the fuel cell washing and sweeping vehicle according to the present invention;

FIG. 4 is a hydraulic schematic diagram of a hydraulic dual-pump driving system of a sweeper truck;

FIG. 5 is a hydraulic schematic diagram of a hydraulic dual-pump driving system in a fuel cell washing and sweeping vehicle according to the present invention;

FIG. 6 is a schematic diagram of a pneumatic control system installed on a sanitation truck of a certain type;

FIG. 7 is a schematic diagram of an upper pneumatic safety control system of a fuel cell scrubber of the present invention;

FIG. 8 is a schematic diagram of a high pressure water saving system in a fuel cell washing and sweeping vehicle provided by the present invention;

icon: 1-a hydraulic oil tank, 2-a manual pump, 3-a gear pump, 4-a hydraulic valve group, 5-a cycloid motor, 6-a sweeping disc oil cylinder, 7-a lifting oil cylinder, 8-a back door oil cylinder, 9-a dust suction disc oil cylinder, 10-a power source assembly, 101-a main oil pump, 102-a first one-way valve, 103-an auxiliary oil pump, 104-a second one-way valve, 11-a first three-way valve, 12-a second three-way valve, 13-an overflow valve, 14-a pressure test joint, 15-a tubular filter, 16-an air filter, 17-an oil absorption filter, 18-an oil return filter, 1001-a chassis air storage tank, 1002-a pneumatic actuator, 1003-a pneumatic control valve, 1004-an air path exhaust silencer and 1005-a switch valve, 1006-auxiliary gas storage tank, 1007-pressure regulating valve, 1008-ball valve, 2001-chassis, 2002-suction inlet, 2021-connecting pipe, 2022-horn mouth, 2003-muffler, 2004-air flue, 2005-blowing nozzle, 2051-blowing nozzle lower tongue plate, 2052-blowing nozzle upper baffle, 2006-middle horizontal bar, 2007-inclined baffle, 2008-negative pressure zone, 2009-notch, 2010-ground, 2030-water spray head, 2031-fan-shaped water flow intersection, 2053-air nozzle baffle, 2054-air outlet, 3000-box body, 4000-sweeping disc, 5000-power source, 6000-water suction disc, 7000-water tank, 7100-water inlet pipe, 7200-water return pipe, 828000-water saving component, 8100-low pressure relief valve, 8200-electromagnetic valve, 8300-high pressure relief valve, 9000-Water use System.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as a limitation of the present invention.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

As shown in fig. 1-8, a fuel cell washing and sweeping vehicle, which improves the environmental protection characteristic of the whole washing and sweeping vehicle by matching a cleaning vehicle with a fuel cell, has the absolute advantages of environmental protection and zero emission compared with the traditional fuel oil washing and sweeping vehicle; compared with a pure electric washing and sweeping vehicle, the electric washing and sweeping vehicle has the advantages of short fuel filling time, reduction of battery recycling concerns, low-temperature applicability, long endurance time and the like.

As shown in fig. 1, a fuel cell washing and sweeping vehicle comprises a chassis 2001, a plurality of cases 3000 mounted on the chassis 2001, a plurality of power sources and a plurality of cleaning mechanisms, wherein the cases 3000 and the cleaning mechanisms are driven by the plurality of power sources; the cleaning mechanism is disposed on the bottom side of the chassis 2001 and includes a sweeping disc 4000 and a water absorbing disc 6000, the sweeping disc 4000 includes a left sweeping disc and a right sweeping disc, and the ground 2010 is cleaned by using the prior art, it should be noted that the sweeping disc 4000 does not have to have a structure, and other cleaning mechanisms such as a snow shovel and the like may be disposed on the sweeping disc 4000 in the same way, in this embodiment, the water absorbing disc is mainly used as a main structure, as shown in fig. 2 to 3, specifically as follows: the dust collection disc comprises a suction port 2002, an air passage 2004, an air return pipe 2003 and an air blowing nozzle 2005 on a base plate 2001, wherein the air passage 2004 is communicated with the air blowing nozzle 2005 and the air return pipe 2003, the air blowing nozzle 2005 is arranged towards the suction port 2002, and garbage passing through the lower part of the dust collection disc is sucked away through the suction port 2002; the chassis 2001 is provided with the inclined baffle 2007 at one side of the suction opening 2002 far away from the air blowing nozzle 2005, the inclined baffle 2007 forms an angle of 45 degrees with the ground 2010, the inclined baffle 2007 is completely contacted with the ground 2010, and the preferable inclined baffle 2007 is arranged around the side after being contacted with the ground 2010, so that the chassis is convenient to adapt to various complex road conditions, such as uneven road surfaces with more potholes; here, the inclined baffle 2007 forms an angle with the ground 2010, that is, the inclined baffle 2007 has a component force vertically downward on the solid waste, the component force is not less than half of the elastic force of the inclined baffle 2007, and the inclined baffle 2007 is easily abutted by the interaction of the forces, so that the solid foreign waste can be easily introduced into the suction opening 2002, and it should be noted here that: in order to ensure the elasticity of the inclined baffle 2007, the inclined baffle 2007 is made of polyurethane, but in other embodiments, rubber, PVC, PP, or a mixture thereof may be used.

In some embodiments, a back-blowing device for a washing and sweeping vehicle comprises a suction opening 2002, a blowing nozzle 2005, an air passage 2004 and an air return pipe 2003 on a chassis 2001, wherein a negative pressure mechanism is arranged at the tail end of the suction opening 2002, the air passage 2004 is communicated with the blowing nozzle 2005 and the air return pipe 2003, the blowing nozzle 2005 is arranged towards the suction opening 2002, the air return pipe 2003 is used for supplying air, and garbage passing through the lower part of a dust collection plate is sucked away through the suction opening 2002; further, in order to enhance the cleaning of the ground 2010, a water spray head 2030 is arranged between the air blowing nozzle 2005 and the suction opening 2002, the water spray head 2030 is arranged towards the included angle between the suction opening 2002 and the ground 2010, and the tail end of the water spray head 2030 is provided with a high-pressure flushing pipe; further, the water sprayed from the water spray head 2030 forms an angle of 30 ° to 60 ° with the floor 2010, and the floor 2010 is cleaned by water pressure.

It should be noted that the water absorption plate for a general washing and sweeping vehicle is composed of a chassis 2001, a main suction port, a high-pressure flushing pipe and a plurality of high-pressure flushing nozzles. In operation, a fan-shaped water flow is sprayed by the high-pressure washing nozzle. The high-pressure flushing pipe is provided with a plurality of high-pressure flushing nozzles, and fan-shaped water flows sprayed by the nozzles are intersected with each other. At the intersection, the water flows interfere with each other and cause energy loss. At this point, the surface 2010 may have a channel and a concentration of silt. Therefore, silt cannot be effectively sucked up by the main suction port, and the cleaning effect of the ground 2010 is reduced; therefore, in this embodiment, the air blown out by the blowing nozzle 2005 acts on the intersection 2031 of the fan-shaped water flow ejected from the nozzle, and the residual silt and water on the ground 2010 are blown to the main suction port; the sweeping effect of the washing and sweeping vehicle is greatly improved, and the washing and sweeping vehicle is specifically arranged as follows.

The blowing nozzle 2005 is composed of a blowing nozzle lower tongue plate 2051 and a blowing nozzle upper baffle 2052, the blowing nozzle lower tongue plate 2051 is detachably connected to the base plate 2001 through a support plate, the blowing nozzle upper baffle 2052 is detachably connected to the base plate 2001 through a support plate, and the blowing nozzle 2005 can be better replaced according to an actual field through a detachable connection mode, but it needs to be explained that no matter how the blowing nozzle 2005 is replaced, an air outlet 2054 of the blowing nozzle 2005 needs to be arranged to be aligned to the intersection 2031 of the fan-shaped water flow; the material of the blowing nozzle 2005 includes any one or a combination of more of polyurethane, rubber, PVC, PP, PE and PS, although a metal material may also be used; it should be further noted that the air blowing nozzle 2005 is connected to the air return pipe 2003 through the air passage 2004, and the air blowing is supplied by using the wind energy of the air return pipe 2003, where a passage from large to small is provided inside the air passage 2004 to facilitate compressing the air flow so as to provide the air flow with a larger flow rate, which is not specifically described here, and the technical scheme in the chinese patent with application number 201420060497.1 is adopted, but of course, the conventional technical means of those skilled in the art can be adopted; in order to ensure that the gas from the blowing nozzle 2005 can act on the intersection 2031 of the fan-shaped water flows, in this embodiment, a plurality of nozzle baffles 2053 are further arranged between the lower blowing nozzle tongue 2051 and the upper blowing nozzle baffle 2052, the number of the nozzle baffles 2053 is consistent with that of the water spray heads 2030, the blowing nozzle 2005 is divided into a plurality of air outlets 2054 by the nozzle baffles 2053, the air outlets 2054 are arranged at the water spray convergence of the two water spray heads 2030, the water blowing suction opening 2002 of the intersection 2031 of the fan-shaped water flows is blown by the individual air outlets 2054, so that the cleaning efficiency is improved, the amount of water remaining on the floor 2010 is ensured to be small, the phenomenon of subsequent slipping is avoided, and in order to ensure that the fan-shaped water treated by the plurality of water spray heads 2030 can better clean the floor 2010, in this embodiment, the water spray heads 2030 are arranged collinearly, that is to say, all the water spray heads 2030 are arranged perpendicular to the vertical plane and on a straight line, cleaning the floor 2010 with a row of spray heads 2030; in addition, in order to ensure that blowing nozzle 2005 can generate a strong enough force on intersection 2031 of the fan-shaped water flow, water spray head 2030 should be arranged above blowing nozzle 2005, and blowing nozzle 2005 should be arranged close to ground 2010, which is not the only limitation, of course.

In some embodiments, a middle cross bar 2006 is detachably arranged between the suction opening 2002 and the blowing nozzle 2005, the detachable mode is not limited, and the middle cross bar 2006 is arranged close to the suction opening 2002 and is 8-15 mm away from the ground 2010; the middle cross bar 2006 is matched with the inclined baffle 2007, and the flanges on the two sides of the chassis 2001 form a wall capable of shielding wind on four sides, so that the adsorption efficiency of the negative pressure area 2008 is further improved, and the height of the middle cross bar 2006 and the ground 2010 is set to provide a small air inlet for the air blowing nozzle 2005, so that the back blowing effect of the air blowing nozzle is guaranteed; further, the width of the middle bar 2006 is 20 mm-40 mm, and it should be noted that the requirement on the width of the middle bar 2006 is that the bottom of the middle bar 2006 and the ground 2010 form a straight channel, and the length of the channel ensures the length of a flow channel of the air flow or the water flow entering the negative pressure region 2008 from the blowing nozzle 2005 or the water spray head 2030, so as to ensure the flow rate of the air flow and the water flow, and better perform auxiliary cleaning on the ground 2010 and perform cleaning in cooperation with the negative pressure region 2008, if a narrower straight plate is adopted, the air flow or the water flow may instantly pass through the narrower straight plate to generate a vortex, the flow rate of the air flow or the water flow is overall slower, and the cleaning effect is not ideal; further, in order to better increase the pressure passing through the middle bar 2006, in the gap formed between the middle bar 2006 and the ground 2010, one end of the gap close to the blowing nozzle 2005 is larger than the other end far from the blowing nozzle 2005, and the size of the flow channel of the air flow or the water flow is changed to further compress the gap and increase the pressure, so that the cleaning efficiency is improved.

In some embodiments, as shown in fig. 8, the power source 5000 further comprises a high pressure water conservation system comprising a water conservation assembly 8000, a water tank 7000 and a water usage system 9000; the water system 9000 includes, but is not limited to, a spray head 2030 and cleaning water, and it is noted here that: the water system 9000 needs to be subjected to boosting treatment, so that the internal water pressure is consistent, and the water spray head 2030 or the spray head is driven to work, in the existing water system 9000, only one water pressure adjusting mode is provided, so that waste of water resources is serious, different cleaning water pressures are set according to different road surfaces, so that water saving is met, and in addition, the water pressures required by different cleaning modes are different, so that the water system 9000 meeting different water pressures is particularly necessary; a first pressure relief pipe and a second pressure relief pipe are arranged between the water inlet pipe 7100 and the water return pipe 7200, constant water pressure in the water system 9000 is guaranteed through the first pressure relief pipe and the second pressure relief pipe, and the purpose of different water pressures is achieved through the use of the pressure relief pipes; the second pressure release pipe is close to water tank 7000 and sets up, be equipped with normally open solenoid valve 8200 and low pressure relief valve 8100 on the first pressure release pipe, be equipped with high pressure relief valve 8300 on the second pressure release pipe, it is concrete, low pressure relief valve 8100 is 6 MPa's relief valve, high pressure relief valve 8300 is 8 MPa's relief valve, and adopt normally open solenoid valve 8200's setting to make 6 MPa's relief valve be in user state always, with this water system 9000 who provides the water pressure at the end of handing over, after water pressure does not satisfy the operation requirement, through changing normally open solenoid valve 8200 into normally closed solenoid valve 8200's relief valve that comes pipe wall 6MPa, this is that inside water pressure risees, until 8 MPa's relief valve begins work, stabilize inside water pressure, provide higher water pressure and supply external use.

In some embodiments, as shown in fig. 4-5, the hydraulic transmission system includes a hydraulic dual pump drive system comprising: the hydraulic cleaning device comprises a hydraulic oil tank 1, a plurality of actuating mechanisms, a hydraulic valve group 4 consisting of a plurality of hydraulic valves, a power source assembly 10, a first three-way valve 11, a second three-way valve 12 and an overflow valve 13, wherein each hydraulic valve is correspondingly connected with one actuating mechanism, and the actuating mechanisms comprise a cycloidal motor 5 and a sweeping disc 4000 oil cylinder 6 which drive a left sweeping disc 4000 and a right sweeping disc 4000 to move, a lifting oil cylinder 7 which drives a box body 3000 to lift, a back door oil cylinder 8 which drives a back door to move and a dust collection disc oil cylinder 9 which drives a dust collection disc to move. Be provided with air cleaner 16 in the hydraulic tank 1, hydraulic tank 1's play oil pipe connects power supply assembly 10 hydraulic tank 1's play oil pipe on be provided with oil absorption filter 17, power supply assembly 10's play oil pipe way overflow valve 13's port P and with one of them port of first three-way valve 11 be connected, two other ports of first three-way valve 11 are connected hydraulic valve group 4's the oil pipe that advances respectively and the rodless chamber of lifting cylinder 7 in the actuating mechanism, power supply assembly 10's play oil pipe is provided with tubular filter 15, be provided with pressure test joint 14 on hydraulic valve group 4's the oil pipe that advances, pressure test joint 14 can connect relevant pressure test instrument outward, monitors hydraulic valve group 4's hydraulic pressure oil pressure. The oil outlet pipe of the hydraulic valve group 4 is connected with one port of the second three-way valve 12, and the other two ports of the second three-way valve 12 are respectively connected with the rod cavity of the lifting oil cylinder 7 and the oil return pipe of the hydraulic oil tank 1.

The power source assembly 10 comprises a main engine power source and an auxiliary engine power source which are connected in parallel, the main engine power source comprises a main engine oil pump 101 driven by a main engine and a first one-way valve 102 connected with the main engine oil pump 101 in series, the auxiliary engine power source comprises an auxiliary engine oil pump 103 driven by an auxiliary engine and a second one-way valve 104 connected with the auxiliary engine oil pump 103 in series, and two power sources can be guaranteed to be not interfered with each other through the first one-way valve 102 and the second one-way valve 104.

From the above, the hydraulic dual-pump driving system of the sweeper provided by the embodiment has the working principle that:

during the normal operation process of the sweeper, the first three-way valve 11 is communicated with an oil outlet pipe of the power source assembly 10 and an oil inlet pipe of the hydraulic valve group 4, the second three-way valve 12 is communicated with an oil outlet pipe of the hydraulic valve group 4 and an oil return pipe of the hydraulic oil tank 1, the auxiliary engine is started to drive the auxiliary engine oil pump 103 to absorb hydraulic oil from the hydraulic oil tank 1, the hydraulic oil enters the first three-way valve 11 through a port P and a port P of the overflow valve 13 and then enters the hydraulic valve group 4 through the first three-way valve 11, and the hydraulic oil enters the corresponding executing mechanism to complete the action.

In the operation process of the sweeper, if the hydraulic valve group 4 is in fault, the first three-way valve 11 is communicated with an oil outlet pipe of the power source assembly 10 and a rodless cavity of the lifting oil cylinder 7, the second three-way valve 12 is communicated with an oil return pipe of the hydraulic oil tank 1 and a rod cavity of the lifting oil cylinder 7, and the auxiliary oil pump 103 is started to lift the tank body 3000; if the auxiliary engine and the auxiliary engine oil pump 103 have faults, the first three-way valve 11 is communicated with an oil outlet pipe of the power source assembly 10 and a rodless cavity of the lifting oil cylinder 7, the second three-way valve 12 is communicated with an oil return pipe of the hydraulic oil tank 1 and a rod cavity of the lifting oil cylinder 7, the main engine oil pump 101 can be driven by the starting main engine to suck hydraulic oil from the hydraulic oil tank 1, so that the lifting action of the lifting oil cylinder 7 on the box body 3000 is completed, and after the box body 3000 is lifted, related equipment installed in a vehicle frame can be overhauled.

It should be noted that the tank 3000 includes, but is not limited to, a waste tank, a garbage can, a water tank, a chassis air tank 1001, a hydraulic oil tank 1, and an auxiliary air tank 1006.

To sum up, the utility model provides a pair of motor sweeper hydraulic pressure double pump actuating system has following advantage:

1. the utility model provides a when 4 troubles of current auxiliary engine, auxiliary engine oil pump 103 and hydraulic pressure valves, lift 3000 difficulties of box through manual pump 2, lead to the inconvenient problem of failure maintenance, have simple structure, convenient operation's advantage, improved the efficiency of failure maintenance greatly.

2. Through the utility model discloses a hydraulic pressure double pump control system can make the motor sweeper in daily use and operation in-process, accomplishes partial operation (accomplish the back door and open, box 3000 lifts relevant action such as the ash discharge in-process like the routine maintenance of vehicle, maintenance and the dust of falling) through utilizing main engine pump 101, has reduced opening of auxiliary engine and has stopped the frequency, can effectively reduce fuel consumption, reduces the fault probability of auxiliary engine etc..

In some embodiments, as shown in fig. 6-7, the pneumatic drive system includes a top-loading pneumatic safety control system comprising: the pneumatic control system comprises a chassis air storage tank 1001, a pneumatic actuator 1002 and a pneumatic control valve 1003, wherein the pneumatic control valve 1003 is connected between the chassis air storage tank 1001 and the pneumatic actuator 1002, an air path exhaust silencer 1004 is arranged on the pneumatic control valve 1003, a switch valve 1005 is arranged on a pipeline between the chassis air storage tank 1001 and the pneumatic control valve 1003, the switch valve 1005 is closer to one side of the chassis air storage tank 1001, and the switch valve 1005 is preferably a two-position two-way electromagnetic valve. An upper auxiliary air storage tank 1006 and a pressure regulating valve 1007 are arranged on a pipeline between the switch valve 1005 and the pneumatic control valve 1003.

Therefore, the pneumatic safety control system installed on the sanitation truck provided by the embodiment has the working principle that:

1) the switch valve 1005 is a normally closed two-position two-way solenoid valve, and when the switch valve is not powered on, the solenoid valve is in a closed state, and the upper-mounted air passage and the chassis 2001 air passage are cut open. When the upper-mounted engine is in a secondary gear state or the upper-mounted motor gives an enabling signal (the control system is electrified) or a switch of the pneumatic actuating mechanism 1002 is controlled to be opened, the electromagnetic valve is switched on, the upper-mounted control air passage is switched on with the chassis 2001 control air passage, the upper-mounted pneumatic system operates normally, the upper-mounted auxiliary air storage tank 1006 is filled with compressed air, the vehicle is in a pure driving state (high speed or low speed), the electromagnetic valve is in a disconnected state (normal state), and the actuating mechanism is kept in a non-operation state by means of the compressed air in the upper-mounted auxiliary air storage tank.

2) When the upper air channel pipeline leaks air due to aging, the switch valve 1005 is closed, the upper air channel 2004 pipeline and the chassis 2001 air channel can be simply and quickly disconnected, at the moment, the pneumatic actuating mechanism 1002 is supplemented and inflated through the upper auxiliary air storage tank 1006, the air leaked from the pipeline is relieved or offset, and a backflushing effect is achieved, so that the actuating mechanism is maintained or relatively maintained in the current state, the actuating mechanism is prevented from greatly moving, potential safety hazards are reduced, and the probability of safety accidents is reduced.

In addition, a ball valve 1008 can be additionally arranged at the joint of the air outlet pipeline of the chassis air storage tank 1001 and controlled by a mechanical and automatic control double valve, so that the air channel pipeline leading to the upper part can be effectively closed when the upper part fails.

Finally, in the present embodiment, the driving power of the cleaning vehicle includes, but is not limited to, electric energy, hydrogen, gasoline and diesel oil, and the specific usage manner thereof is the common manner in the market, which is not necessarily described herein.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a fuel cell washing and sweeping vehicle which characterized in that: the garbage can cleaning device comprises a chassis, a plurality of box bodies, a plurality of power sources and a plurality of cleaning mechanisms, wherein the box bodies, the power sources and the cleaning mechanisms are arranged on the chassis; the cleaning mechanism is arranged on the bottom side of the chassis and comprises a water absorption disc, the water absorption disc comprises a suction port, an air passage, an air return pipe and an air blowing nozzle, the air passage is communicated with the air blowing nozzle and the air return pipe, the air blowing nozzle is arranged towards the suction port, an inclined baffle is arranged on one side, away from the air blowing nozzle, of the suction port of the chassis, and the inclined baffle forms an alpha angle with the ground, wherein alpha is more than 0 degree and less than 90 degrees; the power source controls the air blowing nozzle of the cleaning mechanism to perform air outlet movement.

2. The fuel cell washing and sweeping vehicle of claim 1, wherein said plurality of tanks further includes a waste tank, a water tank, a chassis air reservoir, a hydraulic oil tank, and an auxiliary air reservoir; the power sources comprise a hydraulic transmission system, a pneumatic transmission system, a motor transmission system and an electric transmission system.

3. The fuel cell washing and sweeping vehicle of claim 2, further comprising a water jet head disposed between said suction port and said blowing nozzle, said water jet head having a height greater than that of said blowing nozzle, said water jet head having a high pressure flushing pipe disposed at a distal end thereof.

4. The fuel cell washing and sweeping vehicle of claim 2 or 3, wherein a center bar is detachably provided between the suction port and the blow nozzle, the center bar being provided adjacent to the suction port and lower than an opening height of the suction port.

5. The fuel cell sweeping vehicle of claim 3 wherein the blowing nozzle is comprised of a lower blowing nozzle tongue plate detachably attached to the chassis by a stay, and an upper blowing nozzle baffle detachably attached to the chassis by a stay.

6. The fuel cell washing and sweeping vehicle of claim 5, wherein a plurality of air nozzle partitions are further disposed between the lower blowing nozzle tongue plate and the upper blowing nozzle baffle plate, the number of the air nozzle partitions is identical to that of the water spraying heads, the air nozzle partitions divide the blowing nozzle into a plurality of air outlets, and the air outlets are disposed at the intersection of the fan-shaped water flows of the two water spraying heads.

7. The fuel cell washing and sweeping vehicle of claim 2, wherein said power source further comprises a high pressure water conservation system comprising a water conservation assembly, a water tank and a water usage system comprising a spray head, a sprinkler head and cleaning water; the water-saving assembly is used for connecting a water tank and a water system, the water-saving assembly comprises a water inlet pipe and a water return pipe, the water inlet pipe is connected with the water tank and the water system, a first pressure relief pipe and a second pressure relief pipe are arranged between the water inlet pipe and the water return pipe, the second pressure relief pipe is close to the water tank, a normally open electromagnetic valve and a low-pressure relief valve are arranged on the first pressure relief pipe, and a high-pressure relief valve is arranged on the second pressure relief pipe.

8. The fuel cell scrubber vehicle as recited in claim 2, wherein the hydraulic drive system comprises a hydraulic dual pump drive system, the hydraulic dual pump drive system comprising: the hydraulic system comprises a hydraulic oil tank, a plurality of actuating mechanisms and a hydraulic valve group consisting of a plurality of hydraulic valves, wherein each hydraulic valve is correspondingly connected with one actuating mechanism, and further comprises a power source assembly, a first three-way valve and a second three-way valve; the power source assembly comprises a main engine power source and an auxiliary engine power source which are connected in parallel, the main engine power source comprises a main engine oil pump driven by a main engine and a first one-way valve connected with the main engine oil pump in series, and the auxiliary engine power source comprises an auxiliary engine oil pump driven by an auxiliary engine and a second one-way valve connected with the auxiliary engine oil pump in series; the hydraulic oil return pipeline of the hydraulic oil tank is connected with the port T and the port T1 of the hydraulic valve through the port P1 of the pressure relief valve overflow valve.

9. The fuel cell scrubber vehicle as recited in claim 2, wherein the pneumatic drive system comprises a top-mounted pneumatic safety control system, the top-mounted pneumatic safety control system comprising: the pneumatic control system comprises a chassis gas storage tank, a pneumatic actuating mechanism and a pneumatic control valve connected between the chassis gas storage tank and the pneumatic actuating mechanism, wherein a switch valve is arranged on one side, close to the chassis gas storage tank, of a pipeline between the chassis gas storage tank and the pneumatic control valve, and an upper auxiliary gas storage tank is arranged on the pipeline between the switch valve and the pneumatic control valve.

10. The fuel cell scrubber vehicle as recited in claim 9, wherein a pressure regulating valve is further provided in a pipe between the on-off valve and the pneumatic control valve; the pneumatic control valve is provided with a gas path exhaust muffler.

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