CN111962444A - A deep cleaning operation vehicle - Google Patents

Abstract

The invention discloses a deep cleaning operation vehicle, which takes power from a gearbox on a chassis through a power take-off to drive a variable displacement plunger pump to work, and then drives a first high-pressure water pump to rotate, effectively utilizing the resources of the chassis engine, and the second The power required by the high-pressure water pump and fan is borne by the auxiliary engine, which can meet the high-power requirements of the deep cleaning function through reasonable distribution of power, which can not only carry out deep decontamination operations with high fuel consumption, but also carry out the ordinary cleaning of traditional vehicles. The cleaning operation can meet the needs of different working conditions, and has various functions, which maximizes the efficiency of the vehicle, and the chassis changes are small and the risk is low. Only a simple modification on the basis of the traditional cleaning vehicle can realize the deep cleaning operation function. Low cost of modification.

Description

A deep cleaning operation vehicle

technical field

The present invention relates to the technical field of deep cleaning of road pollution, in particular, to a deep cleaning operation vehicle.

Background technique

With the advancement of sanitation equipment, my country's urban roads have basically achieved mechanized cleaning operations, and sanitation equipment such as sweepers, sweepers and sprinklers are widely used in urban road cleaning operations. The existing traditional vehicle cleaning water pressure is low, and it can only clean the gravel and dust on the road surface. It cannot effectively remove pollutants such as road fouling, hardening and oil pollution, especially in the heavily polluted suburban roads, relying solely on cleaning Vehicle operation can no longer meet the requirements. In order to solve the pollution problem of suburban roads and curb road dust from the source, it mainly relies on repeated operations of various equipment such as sweepers, sweepers and sprinklers for cleaning, which not only requires a large amount of equipment investment. , the efficiency is low, the comprehensive cost is high, and the operation effect cannot be guaranteed.

For suburban roads with serious road fouling, hardening, oil and pollution, it is necessary to use ultra-high pressure washing water and low speed to achieve effective cleaning. The existing road pollution removal vehicles use passive rotary high-pressure cleaning devices, using ultra-high pressure The recoil force of the water drives the rotary joint and the connected water spray rod to rotate to clean the road repeatedly, and the hydraulic drive is used to realize low-speed walking. Specifically, as shown in Figures 1 and 2, the existing road pollution removal vehicle is mainly composed of a chassis, a transfer case, a water tank, a fan, a garbage can, a high-pressure water pump, a passive rotary cleaning device and a hydraulic system. Install a transfer case, install a hydraulic oil pump on the transfer case, and drive the hydraulic motors connected to the fan and the high-pressure water pump to rotate to make them work. The negative pressure is formed, the high-pressure water pump rotates to generate high-pressure water flow, and the recoil of the high-pressure water is used to drive the passive rotary cleaning device to rotate and clean the road repeatedly. It is sucked to the garbage bin, and the garbage remains in the garbage bin after being settled and filtered by the garbage bin, and the cleaner airflow enters the fan and is discharged.

However, the existing road pollution removal vehicles have the following disadvantages:

1) The structure is complex, the cost is high, and the risk is high. The whole vehicle adopts a single-engine transmission system, and a transfer case is installed on the chassis to take power. During operation, the upper fan, water pump and chassis walking are all driven by hydraulic motors to meet the needs of operating power and low-speed walking. The hydraulic transmission itself has low efficiency and high failure rate, and the chassis transmission structure is restructured, which affects the driving safety.

2) The rotational speed of the passive rotary high-pressure cleaning device is unstable, and its rotational speed is related to the nozzle jet angle, rotational resistance, nozzle performance, operating speed and other factors, the consistency is poor, and the cleaning effect is not ideal.

3) It has a single function. As a road pollution removal vehicle, its main function is to decontaminate the road, but the fuel consumption is high, which is not suitable for urban road cleaning operations, resulting in waste of resources.

SUMMARY OF THE INVENTION

The invention provides a deep cleaning operation vehicle, so as to solve the technical problem that if the current road pollution removal vehicle needs to meet the deep cleaning requirements, a transfer case needs to be installed on the chassis to take power, resulting in complicated structure, high cost and high risk. question.

According to one aspect of the present invention, a deep cleaning work vehicle is provided, including a chassis, a clean water tank, an auxiliary engine, a fan, a gearbox, a power take-off, a variable displacement plunger pump, a plunger motor, a first high-pressure water pump, a second high-pressure water pump Water pump, garbage can and suction nozzle assembly, the auxiliary engine, fan, gearbox, first high-pressure water pump, second high-pressure water pump, garbage can and suction nozzle assembly are all installed on the chassis, the first high-pressure water pump and the second high-pressure water pump The high-pressure water pumps are all connected to the clean water tank, the power take-off is connected to the gearbox to take power from the chassis engine, the variable displacement plunger pump is mounted on the power take-off, the plunger motor is mounted on the first high-pressure water pump, The variable displacement plunger pump is used to drive the plunger motor to rotate, thereby driving the first high-pressure water pump to rotate and output high-pressure water flow, and the auxiliary engine is used to drive the second high-pressure water pump and the fan to rotate. After the fan is rotated, a negative pressure is generated in the garbage bin and the suction nozzle assembly to pick up the garbage on the road. The suction nozzle assembly is provided with a plurality of water spraying devices, the first high-pressure water pump and the second high-pressure water pump The high-pressure water output by the two high-pressure water pumps flows through at least one water spray device on the suction nozzle assembly to be sprayed to clean the road surface.

Further, it also includes a water circuit control valve block, which is connected to the first high-pressure water pump, the second high-pressure water pump, and a plurality of water spraying devices of the suction nozzle assembly through pipelines, and the water circuit control valve block is used for Control the on-off of the pipelines of the multiple water spray devices of the suction nozzle assembly.

Further, a check valve is installed at the outlet ends of the first high-pressure water pump and the second high-pressure water pump.

Further, it also includes a sweeping plate assembly mounted on the chassis and located in front of the suction nozzle assembly, the sweeping plate assembly is used to sweep and gather road debris to the front of the suction nozzle assembly.

Further, the suction nozzle assembly includes a suction nozzle body and an active rotating high-pressure jet cleaning device, the suction nozzle body is fixedly installed on the chassis, and the suction nozzle body is provided with a suction nozzle port connected to the garbage box, so The active rotation type high-pressure jet cleaning device includes a motor, a tensioning device and a rotary joint. The motor, the tensioning device and the rotary joint are all fixedly installed on the suction nozzle body, and the motor drives the two adjacent rotations through a belt. The joint rotates, the tensioning device is used to support the belt, each rotary joint is installed with a plurality of evenly distributed rotating spray bars, and the end of each rotating spray bar is installed with a nozzle, the rotating joint is controlled by pipelines and waterways The valve blocks are connected, the high-pressure water output by the first high-pressure water pump and the second high-pressure water pump flows through the rotary joint, the rotary spray rod is sprayed from the nozzle, and the rotary spray rod is driven by the motor to rotate to perform active rotary high-pressure washing on the road surface .

Further, the suction nozzle assembly further includes a side spray rod and a long spray rod, the side spray rods are installed on both sides of the front end of the suction nozzle body, the long spray rod is installed at the rear end of the suction nozzle body, and the side spray rods are installed on both sides of the front end of the suction nozzle body. Both the boom and the long boom are connected to the waterway control valve block through pipelines, and the waterway control valve block controls the on-off of the water supply pipelines of the side boom, the long boom and the rotary joint. When the road needs to be deeply cleaned When the waterway control valve block is used to control the conduction of the water supply pipeline of the side spray rod and the rotary joint, when the road surface needs to be cleaned in general, the waterway control valve block will control the conduction of the water supply pipeline of the side spray rod and the long spray rod. .

Further, the suction nozzle assembly also includes a front sealing plate and a rear sealing plate for isolating the suction nozzle body into a relatively closed space to improve the suction force of the suction nozzle assembly, the front sealing plate is arranged at the mouth of the suction nozzle and actively rotates. Type high-pressure jet cleaning device, the rear sealing plate is arranged between the mouth of the suction nozzle and the long spray bar.

Further, the number of the rotary joints is four, and the number of the motors is two, one motor drives the two adjacent rotary joints to rotate counterclockwise, and the other motor drives the two adjacent rotary joints clockwise. The hour hand turns.

Further, the suction nozzle assembly further includes a spray rod cylinder, the side spray rod is fixedly installed on the suction nozzle body through a rotating seat, one end of the spray rod cylinder is connected with the suction nozzle body, and the other end is connected with the side spray rod, The side spray rod is driven by the spray rod cylinder to rotate around the rotating base to adjust the flushing range of the side spray rod.

Further, the front and rear of the active rotating high-pressure jet cleaning device are provided with suction nozzles, the suction nozzles located in the front are used to suck the garbage that is easily washed by the side spray bar into the garbage bin, and the suction nozzles located at the rear The port is used to suck the garbage removed by the high-pressure flushing of the active rotating high-pressure jet cleaning device into the garbage bin.

The present invention has the following effects:

The deep cleaning work vehicle of the present invention takes power from the gearbox on the chassis to drive the variable plunger pump to work, and then drives the first high-pressure water pump to rotate, effectively utilizing the resources of the chassis engine, while the second high-pressure water pump and the fan The required power is borne by the auxiliary engine, which can meet the high power requirements of the deep cleaning function through reasonable distribution of power, which can not only carry out deep decontamination operations with high fuel consumption, but also carry out ordinary cleaning operations of traditional car sweepers. It meets the needs of different working conditions and has various functions, which maximizes the use efficiency of the vehicle, and the chassis changes are small and the risk is low. Only a simple modification on the basis of the traditional sweeper can realize the deep cleaning operation function, and the modification cost is low.

In addition to the objects, features and advantages described above, the present invention has other objects, features and advantages. The present invention will be described in further detail below with reference to the drawings.

Description of drawings

The accompanying drawings constituting a part of the present application are used to provide further understanding of the present invention, and the exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

FIG. 1 is a schematic front view of a conventional road pollution removal vehicle.

FIG. 2 is a schematic top view of a conventional road pollution removal vehicle.

FIG. 3 is a schematic front view of the structure of a deep cleaning work vehicle according to a preferred embodiment of the present invention.

FIG. 4 is a schematic top view of the structure of a deep cleaning work vehicle according to a preferred embodiment of the present invention.

FIG. 5 is a schematic diagram of the deep cleaning operation vehicle according to the preferred embodiment of the present invention when the deep cleaning operation is performed.

FIG. 6 is a schematic diagram of the deep cleaning vehicle according to the preferred embodiment of the present invention when performing ordinary cleaning operations.

FIG. 7 is a schematic front view of the structure of the suction nozzle assembly in FIG. 3 .

FIG. 8 is a schematic top view of the structure of the suction nozzle assembly in FIG. 3 .

FIG. 9 is a schematic top view of the structure of the suction nozzle assembly in which the rotary joint, the motor and the tensioning device are installed on the suction nozzle body according to the preferred embodiment of the present invention.

10 is a schematic flowchart of a control method for a deep cleaning work vehicle according to another embodiment of the present invention.

Description of reference numerals

1. Chassis; 2. Clean water tank; 3. Auxiliary engine; 4. Fan; 41. Filter screen; 42. Muffler; 5. Gearbox; 6. Power take-off; 7. Variable displacement piston pump; 8. Piston motor ;9, the first high pressure water pump; 10, the second high pressure water pump; 11, the sweeping plate assembly; 12, the garbage can; 13, the suction nozzle assembly; 14, the water control valve block; 15, the one-way valve; 131, the front baffle ; 132, side spray rod; 133, rotary seat; 134, spray rod cylinder; 135, rotating spray rod; 136, motor; 137, tensioning device; 138, rotary joint; 139, suction nozzle; 140, nozzle; 141 , rear sealing plate; 142, front sealing plate; 143, long spray rod; 145, nozzle body; 146, turning cylinder; 147, nozzle wheel; 148, nozzle wheel mounting seat.

Detailed ways

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways as defined and covered below.

As shown in FIGS. 3 to 6 , a preferred embodiment of the present invention provides a deep cleaning work vehicle, including a chassis 1, a clean water tank 2, an auxiliary engine 3, a fan 4, a gearbox 5, a power take-off 6, and a variable plunger. Pump 7, plunger motor 8, first high-pressure water pump 9, second high-pressure water pump 10, sweeping plate assembly 11, garbage can 12, suction nozzle assembly 13 and waterway control valve block 14, the clean water tank 2, auxiliary engine 3, The fan 4 , the gearbox 5 , the first high-pressure water pump 9 , the second high-pressure water pump 10 , the sweeping disc assembly 11 , the garbage bin 12 , the suction nozzle assembly 13 and the waterway control valve block 14 are all installed on the chassis 1 . The nozzle assembly 13 is connected to the chassis 1 through a lifting mechanism, and the pulling-up and lowering of the entire suction nozzle assembly 13 can be controlled by the lifting mechanism. The power take-off 6 is connected to the gearbox 5, the gearbox 5 is connected to the engine of the chassis 1, the variable displacement plunger pump 7 is installed on the power take-off 6, and the plunger motor 8 is installed on the first high-pressure water pump 9. The variable plunger pump 7 is used to drive the plunger motor 8 to rotate, thereby driving the first high-pressure water pump 9 to rotate and output high-pressure water flow. Speed change effects. The auxiliary engine 3 is used to drive the second high-pressure water pump 10 and the fan 4 to rotate. Specifically, the auxiliary engine 3 is connected with the second high-pressure water pump 10 and the fan 4 through a belt, and is driven by a belt. The second high-pressure water pump 10 and the first high-pressure water pump 9 are respectively connected to the clean water tank 2 and the waterway control valve block 14 through pipelines. The suction nozzle assembly 13 includes a plurality of water spraying devices. The multiple water spraying devices of the suction nozzle assembly 13 are connected. After the second high-pressure water pump 10 and the first high-pressure water pump 9 are rotated, clean water is drawn from the clean water tank 2 to form a high-pressure water flow. After the two high-pressure water flows converge, they enter the water control valve block 14 , the output of the high-pressure water flow is controlled by the water control valve block 14 , such as controlling the high-pressure water flow to simultaneously output to multiple water spray devices of the suction nozzle assembly 13 , or controlling the high-pressure water flow to output to one or two water spray devices of the suction nozzle assembly 13 . Preferably, a check valve 15 is installed at the outlet ends of the first high pressure water pump 9 and the second high pressure water pump 10 to prevent the two high pressure water flows from converging and causing reverse impact on the water pump and damaging the water pump. In addition, the fan 4 is connected to the garbage bin 12, and the garbage bin 12 is connected to the suction nozzle assembly 13. When the fan 4 starts to rotate, the air in the garbage bin 12 and the suction nozzle assembly 13 is drawn away, and the air in the garbage bin 12 and the suction nozzle assembly 13 can be removed. Negative pressure is generated inside, and at the same time, the sweeping disc assembly 11 rotates to gather the garbage to the front of the suction nozzle assembly 13. The suction nozzle assembly 13 sucks and picks up the garbage on the road into the garbage bin 12, and the garbage is settled and filtered through the garbage bin 12. After the treatment, it remains in the garbage bin 12 , and the relatively clean air flow enters the fan 4 and is then discharged by the muffler 42 for noise reduction. Preferably, a filter screen 41 is provided at the communication port between the fan 4 and the waste bin 12 to prevent waste from entering the fan 4 and causing damage to the fan 4 . Wherein, the sweeping plate assembly 11 can adopt hydraulic sweeping plate and/or sweeping sweeping plate. When used in northern cities, because the weather in northern cities is relatively dry and the dust phenomenon is serious, a hydraulic sweeping plate and a brush sweeping plate can be installed at the same time. , first pre-wet by the hydraulic sweeper, and then sweep through the sweeper, which can play a better dust suppression effect; when used in southern cities, the water resources are relatively abundant, and the hydraulic sweeper can be used to prevent sweeping. Secondary pollution caused by brushing discs.

It can be understood that, when the road surface needs to be deeply cleaned, the first high-pressure water pump 9, the second high-pressure water pump 10 and the fan 4 need to perform high-power operation at the same time, and the power consumption is extremely large. The deep cleaning work vehicle of the present invention takes power from the gearbox 5 on the chassis 1 through the power take-off 6 to drive the variable displacement plunger pump 7 to work, and then drives the first high-pressure water pump 9 to rotate, effectively utilizing the resources of the chassis engine, and the first The power required by the second high-pressure water pump 10 and the fan 4 is borne by the auxiliary engine 3, so that the high power requirement required by the deep cleaning function can be met by rationally distributing the power. Compared with traditional cleaning vehicles or road pollution cleaning vehicles, the chassis of the former is only used for walking, and the resources of the chassis engine are wasted. Even if the auxiliary engine 3 is installed on the traditional cleaning vehicle, the auxiliary engine 3 cannot satisfy the first high-pressure water pump 9 , the high-power requirement of the second high-pressure water pump 10 and the fan 4 working at the same time; the latter is completely driven by the chassis engine. When performing deep cleaning operations, the fan 4, the first high-pressure water pump 9, and the second high-pressure water pump 10 are driven by hydraulic motors. To work, it is necessary to install a transfer case on the chassis to take power to drive the hydraulic motor to rotate, but the hydraulic transmission itself has low efficiency and high failure rate, and the chassis transmission structure of the vehicle needs to be restructured, which is expensive and has driving safety risks.

Specifically, as shown in FIGS. 7 to 9 , the suction nozzle assembly 13 includes a front baffle 131 , a side spray rod 132 , a rotating seat 133 , a spray rod cylinder 134 , a rotating spray rod 135 , a motor 136 , and a tensioning device 137 , rotary joint 138, suction nozzle port 139, nozzle 140, rear sealing plate 141, front sealing plate 142, long spray rod 143, belt 144, suction nozzle body 145 and turning cylinder 146, the suction nozzle body 145 is used as a suction nozzle assembly 13, it is fixedly installed on the chassis 1, the side spray rod 132 is fixed on the suction nozzle body 145 through the rotating seat 133, one end of the spray rod cylinder 134 is connected with the suction nozzle body 145, and the other end is connected with the side spray rod The rod 132 is connected, and the side spray rod 132 is pushed to rotate around the rotating seat 133 by the spray rod cylinder 134 , so as to facilitate the adjustment of the flushing range of the side spray rod 132 . The number of the side spray bars 132 is two, which are respectively arranged on both sides of the front end of the suction nozzle body 145 , and the long spray bars 143 are arranged at the rear end of the suction nozzle body 145 . The suction nozzle body 145 has an inner cavity, and the suction nozzle mouth 139 is disposed above the suction nozzle body 145 and communicates with the waste bin 12 , so as to suck and pick up the waste in the inner cavity into the waste bin 12 . Specifically, the suction mouth 139 is connected to the waste bin 12 through a suction pipe. One end of the turning cylinder 146 is fixed on the suction nozzle body 145, and the other end is connected to the front baffle 131. The turning cylinder 146 drives the front baffle 131 to rotate, so that the size of the front opening of the suction nozzle body 145 can be adjusted. For large-volume garbage, such as empty bottles, the front baffle 131 can be turned over by the turning cylinder 146 to increase the front opening of the suction nozzle body 145 , so that the large-volume waste can be sucked into the suction nozzle body 145 .

The rotary joint 138 and the motor 136 are fixedly mounted on the suction nozzle body 145 , and the motor 136 is connected with the two adjacent rotary joints 138 through a belt to drive the rotary joint 138 to rotate. It can be understood that the number of the rotary joints 138 is an even number, specifically 2, 4, 6 or 8. A plurality of rotating spray rods 135 are installed on the rotary joint 138, and the plurality of rotating spray rods 135 are evenly distributed. A nozzle 140 is installed at the end of each rotating spray rod 135, and the rotating spray rod 135 is driven by the motor 136 to rotate. The tensioning device 137 is used to support the belt to ensure that the belt is in a tensioned state, so as to have good transmission efficiency. The motor 136, the tensioning device 137, the rotary joint 138 and the rotary spray bar 135 constitute an active rotary high-pressure jet cleaning device, which can actively and rotary use high-pressure water to wash the road surface, and the high-pressure water flow pressure is not affected by the driving speed, A deep cleaning effect is guaranteed. In addition, the active rotating type high-pressure jet cleaning device is arranged at the front end of the suction nozzle 139 , and the garbage generated after high-pressure washing is sucked into the waste bin 12 through the suction nozzle 139 . Preferably, the number of the rotary joints 138 is 4, one motor 136 drives the two adjacent rotary joints 138 and the rotary spray rod 135 to rotate counterclockwise, and the other motor 136 drives the two adjacent rotary joints 138 Rotate clockwise with the rotating spray rod 135, so that the two flushing water rings gather at the middle position and gather at the front end of the suction nozzle 139, and are sucked into the waste bin 12 by the suction nozzle 139, thereby ensuring that most of the sewage can be sucked into the waste bin 12 and will not flow out of the nozzle body 145 to cause secondary pollution. It can be understood that, in other embodiments of the present invention, the rotation directions of the two motors 136 may also be the same, that is, both rotate counterclockwise or rotate clockwise. The front sealing plate 142 and the rear sealing plate 141 cooperate with the front baffle plate 131 to isolate the suction nozzle body 145 into a relatively closed space, so as to improve the suction force of the suction nozzle assembly 13. Specifically, the front sealing plate 142 is provided with Between the suction nozzle port 139 and the active rotary type high-pressure jet cleaning device, the rear sealing plate 141 is provided between the suction nozzle port 139 and the long spray bar 143, and the gap between the front sealing plate 142 and the ground is maintained at About 2.5 cm, the gap between the rear sealing plate 141 and the ground is kept at about 1 cm. It can be understood that when used in southern cities, the sweeping plate assembly 11 adopts a hydraulic sweeping plate, at this time, the setting of the side spray rod 132 can be omitted, thereby realizing the optimal utilization of the high-pressure water flow.

The rotary joint 138, the side spray rod 132 and the long spray rod 143 are used as the water spraying devices of the suction nozzle assembly 13, which are respectively connected with the water circuit control valve block 14 through pipelines, and the water circuit control valve block 14 is used to control the water flow of each water circuit. on and off. When a deep cleaning operation is required, the water control valve block 14 controls the high-pressure water flow to output to the rotary joint 138 and the side spray bar 132, and the active rotary high-pressure jet cleaning device and the side spray bar 132 work simultaneously, wherein the high-pressure water flows through the rotary joint 138 flows to the nozzle 140 at the end of each rotating spray rod 135, thereby forming multiple angles of high-pressure washing, and the rotating spray rod 135 is driven by the motor 136 to rotate, so as to perform active rotary high-pressure washing on the road surface, and can also be adjusted by adjusting The rotation speed of the rotating spray rod 135 is controlled by the rotation speed of the motor 136, which can be changed based on the change of the vehicle speed. For example, the rotation speed of the motor 136 is controlled to increase when the vehicle speed is fast, and the rotation speed of the motor 136 is controlled to slow down when the vehicle speed is slow, so as to achieve optimal economic benefits and cleaning effect. When a conventional cleaning operation is required, the water control valve block 14 controls the high-pressure water flow to be output to the side spray bar 132 and the long spray bar 143, and is cleaned in combination with the sweeping disc assembly 11 to realize the conventional cleaning operation, which is different from the cleaning of the traditional sweeper. The effect is exactly the same. In addition, when performing routine cleaning operations, the first high-pressure water pump 9 can also be controlled to not work, and the second high-pressure water pump 10 alone supplies water, and whether to activate the first high-pressure water pump 9 is selected according to specific road conditions. And by integrating the side spray bar 132, the active rotating type high-pressure jet cleaning device and the long spray bar 143 on the suction nozzle assembly 13, not only the integrated setting is realized, but also the miniaturization and lightweight design of the deep cleaning work vehicle are realized. , and the pipeline arrangement is convenient, which saves the installation space, especially when performing deep cleaning operations, the side spray bar 132 is located in front of the active rotating high-pressure jet cleaning device. Then, the active rotating high-pressure jet cleaning device is used for multi-angle rotation washing. The two high-pressure washing methods complement each other, which greatly improves the deep cleaning effect. , the sewage generated after cleaning can easily spread to the outside of the working area of the nozzle body 145 to cause secondary pollution. The jet cleaning device is located at the rear end of the side spray bar 132. After the water flow output by the side spray bar 132 can be drained by the water ring ejected by the active rotating high-pressure jet cleaning device, the sewage is collected to the suction nozzle port 139, and then drained from the suction nozzle. The mouth 139 is sucked into the waste bin 12, which reduces the amount of diffused sewage, thereby reducing secondary pollution. In addition, it can be understood that the number of the suction nozzles 139 is multiple, and the sewage on the road surface can be quickly sucked into the garbage bin 12, so that the suction efficiency of sewage can be improved. Preferably, the number of the suction nozzles 139 is four, and two suction nozzles 139 are arranged in the front and the rear of the active rotating high-pressure jet cleaning device. The large garbage such as objects and branches that are easily washed by the side spray bar 132 are sucked into the garbage bin 12, while the small particle pollutants adhering to the road surface are difficult to be removed by the side spray bar 132, and the suction nozzle 139 at the rear end will actively The rotary high-pressure jet cleaning device picks up the small particle pollutants generated after the high-pressure washing of the road surface, ensuring a good deep cleaning effect. In addition, the side spray bar 132 can be omitted, and only the active rotating high-pressure jet cleaning device performs high-pressure flushing during deep cleaning operations, while the long spray bar 143 is solely used for cleaning during ordinary cleaning operations.

It can be understood that, preferably, three rotary spray bars 135 are installed on the rotary joint 138 , and each of the rotary spray bars 135 is provided with a nozzle 140 . The number of rotating spray bars 135 will affect both the coverage area of the high-pressure water flow and the flushing pressure of the water flow. If the number of rotating spray bars 135 is too large, it can be ensured that the motor 136 can also cover the entire cleaning area at low speed, but each The flushing pressure of the water flow of the nozzles 140 will become very low, and the flushing effect will be poor, which cannot meet the requirements of the deep cleaning operation; and if the number of rotating spray bars 135 is too small, although the flushing pressure of the water flow of each nozzle 140 can be ensured to be high enough, the flushing can be avoided. The effect is good, but the rotation speed of the motor 136 needs to be increased to ensure that the entire area is covered, which increases the energy consumption. In the present invention, three rotating spray bars 135 are preferably provided, which can not only ensure that each nozzle 140 has sufficient water flow flushing pressure, but also ensure that the motor 136 can ensure that the entire cleaning area is covered under the condition of low rotation speed. Specifically, based on the same traveling speed and the same number of rotating spray bars 135, when the rotational speed of the motor 136 is 500 r/min, the trajectories of the three nozzles 140 do not completely cover the cleaning area, that is, the operation of the adjacent two nozzles 140 There is a blank area between the tracks; when the speed of the motor 136 reaches 700r/min, the tracks of the three nozzles 140 just cover the cleaning area, and the cleaning effect is better. When the speed of the motor 136 reaches 900r/min, the three nozzles 140 The trajectory not only covers the cleaning area but also overlaps, the cleaning effect is better, but the corresponding fuel consumption is also higher. Therefore, different speeds of the motor 136 can be matched with different driving speeds of the chassis 1 to match the driving speed of the vehicle with the rotational speed of the rotating spray bar 135, thereby achieving the optimal cleaning effect and the lowest operating fuel consumption.

In addition, preferably, the suction nozzle assembly 13 further includes a suction nozzle wheel 147, the suction nozzle wheel 147 is fixedly installed on the suction nozzle body 145 through the suction nozzle wheel mounting seat 148, and the suction nozzle wheel 147 is used for stable support The entire suction nozzle assembly 13 ensures that the gap between the suction nozzle body 145 and the ground remains unchanged, and even if the road surface is uneven, the consistency of the cleaning effect is still ensured.

It can be understood that the nozzle assembly 13 of the present invention can be used as a separate product, or can be mounted on a deep cleaning vehicle for use.

It can be understood that, as shown in FIG. 10 , another embodiment of the present invention further provides a control method for a deep cleaning operation vehicle, which adopts the deep cleaning operation vehicle described in the above-mentioned embodiment. Specifically, the deep cleaning operation The control method of the vehicle includes the following steps:

Step S1: Select the operation mode of the deep cleaning operation vehicle based on the pollution degree of the road ahead;

Step S2: When the deep cleaning mode is selected, the magnitude of the current output to the variable displacement plunger pump 7 is controlled to remain constant, and the water control valve block 14 is controlled to close the pipeline communicating with the long spray bar 143 and open the side spray bar 132 and the rotary joint 138 is connected to the pipeline; when the normal cleaning mode is selected, the control waterway control valve block 14 opens the pipeline connected with the side spray rod 132 and the long spray rod 143 and closes the pipeline connected with the rotary joint 138;

Step S3: When the deep cleaning mode is selected, the motor 136 is controlled to rotate to perform active rotary high-pressure washing on the road surface; when the normal cleaning mode is selected, the motor 136 is controlled not to rotate.

It can be understood that in the step S1, the degree of pollution of the road ahead can be manually checked, and when the road pollution is serious, the deep cleaning mode is selected to ensure the cleaning effect, and when the road pollution is light, the ordinary cleaning mode is selected to reduce the pollution of the vehicle. energy consumption. In addition, the pollution degree of the road ahead can also be automatically identified based on the image recognition technology, for example, the pollution degree can be determined by identifying the area of the road surface pollution area in front. In addition, the selection of the working mode can be realized by manipulating the buttons or touch panel of the cab, or automatically selecting the working mode based on the results of the image recognition technology.

In the step S2, when the deep cleaning mode is selected, the vehicle controller will control the magnitude of the current output to the variable displacement plunger pump 7 to keep constant, thereby controlling the rotational speed of the plunger motor 8 to keep constant, and then controlling the first high-pressure water pump 9 The rotational speed of the first high-pressure water pump 9 is not affected by the speed of the vehicle. Preferably, the current of the control variable plunger pump 7 is kept at its rated working current, so that the opening degree of the control variable plunger pump 7 is kept to the maximum, and the plunger motor 8 and the first high-pressure water pump 9 work at the highest speed, thereby ensuring that The output water flow pressure is high enough to obtain a good cleaning effect. At the same time, the vehicle controller controls the water control valve block 14 to close the pipeline communicating with the long boom 143 and open the pipeline communicating with the side boom 132 and the rotary joint 138. At this time, the side boom 132 and the active rotary high-pressure jet are cleaned The devices work simultaneously for deep cleaning operations. When the normal cleaning mode is selected, the vehicle controller will control the waterway control valve block 14 to open the pipeline connected to the side spray rod 132 and the long spray rod 143 and close the pipeline connected to the rotary joint 138 . The rod 132 and the long spray rod 143 work at the same time to carry out ordinary cleaning operations, while the active rotating type high-pressure jet cleaning device does not work. In addition, when the normal cleaning mode is selected, the vehicle controller can also control the current output to the variable displacement plunger pump 7 to be disconnected, so that the first high-pressure water pump 9 does not work, and the second high-pressure water pump 10 supplies water alone, thereby reducing the size of the vehicle. energy consumption.

In the step S3, when the deep cleaning mode is selected, the vehicle controller controls the motor 136 to rotate, and the active rotary high-pressure jet cleaning device performs rotary high-pressure washing on the road surface, the cleaning effect is better, the rotation speed is very stable, and the cleaning effect is maintained good consistency. When the normal cleaning operation mode is selected, the high-pressure water flow is no longer output to the active rotating high-pressure jet cleaning device, and the vehicle controller controls the motor 136 not to rotate at this time, which reduces the energy consumption of the vehicle.

Preferably, the control method of the deep cleaning operation vehicle further comprises the following steps:

Step S4: Obtain the running speed of the vehicle and control the rotational speed of the motor 136 according to the running speed of the vehicle.

The vehicle controller can obtain the current running speed of the vehicle, and then select the suitable motor 136 speed according to the vehicle's running speed, so as to realize the automatic matching between the vehicle's running speed and the speed of the motor 136, and obtain the optimal cleaning effect and the lowest working fuel consumption. The rotational speed of the motor 136 corresponding to different driving speeds has been pre-stored in the database, and the vehicle controller can automatically acquire the adapted rotational speed of the motor 136 from the database only after obtaining the driving speed of the vehicle.

The control method of the deep cleaning work vehicle of the present invention, based on the unique transmission system and reasonable power distribution of the deep cleaning work vehicle, can perform deep decontamination operations with high energy consumption and ordinary cleaning operations with low energy consumption, and meet different requirements. meet the requirements of the working conditions, and maximize the efficiency of the use of the vehicle. And by controlling the rotational speed of the motor 136 to match the running speed of the vehicle, the rotational speed of the active rotating high-pressure jet cleaning device is kept stable, and the optimal cleaning effect and the lowest working fuel consumption can be achieved.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. A deep cleaning operation vehicle, which is characterized in that,

comprises a chassis (1), a clean water tank (2), an auxiliary engine (3), a fan (4), a gearbox (5), a power takeoff (6), a variable plunger pump (7), a plunger motor (8), a first high-pressure water pump (9), a second high-pressure water pump (10), a garbage can (12) and a suction nozzle component (13), wherein the auxiliary engine (3), the fan (4), the gearbox (5), the first high-pressure water pump (9), the second high-pressure water pump (10), the garbage can (12) and the suction nozzle component (13) are all arranged on the chassis (1), the first high-pressure water pump (9) and the second high-pressure water pump (10) are all connected with the clean water tank (2), the power takeoff (6) is connected with the gearbox (5) to take power from the chassis engine, the variable plunger pump (7) is arranged on the power takeoff (6), and the plunger motor (8) is arranged on the first high-pressure water pump (9), the variable plunger pump (7) is used for driving a plunger motor (8) to rotate so as to drive a first high-pressure water pump (9) to rotate to output high-pressure water flow, the auxiliary engine (3) is used for driving a second high-pressure water pump (10) and a fan (4) to rotate, the garbage can (12) is respectively connected with the fan (4) and a suction nozzle assembly (13), negative pressure is generated in the garbage can (12) and the suction nozzle assembly (13) after the fan (4) rotates to suck and pick up garbage on a road surface, the suction nozzle assembly (13) is provided with a plurality of water spraying devices, and high-pressure water flow output by the first high-pressure water pump (9) and the second high-pressure water pump (10) is sprayed out through at least one water spraying device on the suction nozzle assembly (13) to clean the road surface.

2. The deep cleaning vehicle as set forth in claim 1,

the water-spraying device is characterized by further comprising a water path control valve block (14), wherein the water path control valve block (14) is respectively connected with the first high-pressure water pump (9), the second high-pressure water pump (10) and a plurality of water spraying devices of the suction nozzle assembly (13) through pipelines, and the water path control valve block (14) is used for controlling the on-off of the pipelines of the plurality of water spraying devices of the suction nozzle assembly (13).

3. The deep cleaning vehicle as set forth in claim 2,

and the outlet ends of the first high-pressure water pump (9) and the second high-pressure water pump (10) are respectively provided with a one-way valve (15).

4. The deep cleaning vehicle as set forth in claim 1,

the garbage sweeper is characterized by further comprising a sweeping disc assembly (11) which is arranged on the chassis (1) and located in front of the suction nozzle assembly (13), wherein the sweeping disc assembly (11) is used for sweeping and gathering road garbage to the front of the suction nozzle assembly (13).

5. The deep cleaning vehicle as set forth in claim 2,

the suction nozzle assembly (13) comprises a suction nozzle body (145) and an active rotary type high-pressure jet cleaning device, the suction nozzle body (145) is fixedly installed on the chassis (1), a suction nozzle opening (139) connected with the garbage can (12) is formed in the suction nozzle body (145), the active rotary type high-pressure jet cleaning device comprises a motor (136), a tensioning device (137) and a rotary joint (138), the motor (136), the tensioning device (137) and the rotary joint (138) are fixedly installed on the suction nozzle body (145), the motor (136) drives two adjacent rotary joints (138) to rotate through a belt, the tensioning device (137) is used for supporting the belt, a plurality of uniformly distributed rotary spray rods (135) are installed on each rotary joint (138), a nozzle (140) is installed at the tail end of each rotary spray rod (135), and the rotary joint (138) is connected with the waterway control valve block (14) through a pipeline, the high-pressure water output by the first high-pressure water pump (9) and the second high-pressure water pump (10) is sprayed out from the nozzle (140) through the rotary joint (138) and the rotary spray rod (135), and the rotary spray rod (135) rotates under the driving of the motor (136) to actively wash the road surface in a rotary high-pressure mode.

6. The deep cleaning vehicle as set forth in claim 5,

the suction nozzle assembly (13) further comprises a side spray rod (132) and a long spray rod (143), the side spray rod (132) is installed on two sides of the front end of the suction nozzle body (145), the long spray rod (143) is installed at the rear end of the suction nozzle body (145), the side spray rod (132) and the long spray rod (143) are connected with a water path control valve block (14) through pipelines, the water path control valve block (14) is used for controlling the connection and disconnection of the water supply pipelines of the side spray rod (132), the long spray rod (143) and a rotary joint (138), when the road surface needs to be deeply cleaned, the water supply pipelines of the side spray rod (132) and the rotary joint (138) are controlled to be conducted through the water path control valve block (14), and when the road surface needs to be normally cleaned, the water supply pipelines of the side spray rod (132) and the long spray rod (143) are controlled to be conducted through the water path control valve block (14.

7. The deep cleaning vehicle as set forth in claim 5,

the suction nozzle assembly (13) further comprises a front sealing plate (142) and a rear sealing plate (141) which are used for isolating the suction nozzle body (145) into a relatively closed space so as to improve the suction force of the suction nozzle assembly (13), wherein the front sealing plate (142) is arranged between the suction nozzle opening (139) and the active rotating type high-pressure jet flow cleaning device, and the rear sealing plate (141) is arranged between the suction nozzle opening (139) and the long spray rod (143).

8. The deep cleaning vehicle as set forth in claim 5,

the number of the rotary joints (138) is four, the number of the motors (136) is two, one motor (136) drives the two rotary joints (138) adjacent to the motor to rotate anticlockwise, and the other motor (136) drives the two rotary joints (138) adjacent to the motor to rotate clockwise.

9. The deep cleaning vehicle as set forth in claim 6,

the suction nozzle assembly (13) further comprises a spray rod air cylinder (134), the side spray rod (132) is fixedly mounted on the suction nozzle body (145) through a rotary seat (133), one end of the spray rod air cylinder (134) is connected with the suction nozzle body (145), the other end of the spray rod air cylinder is connected with the side spray rod (132), and the spray rod air cylinder (134) pushes the side spray rod (132) to rotate around the rotary seat (133) so as to adjust the flushing range of the side spray rod (132).

10. The deep cleaning vehicle as set forth in claim 6,

suction nozzle openings (139) are arranged in front and at the rear of the active rotary high-pressure jet cleaning device, the suction nozzle opening (139) positioned in front is used for sucking garbage which is easy to be washed by the side spray rod (132) into the garbage can (12), and the suction nozzle opening (139) positioned at the rear is used for sucking garbage which is washed and cleared by the active rotary high-pressure jet cleaning device at high pressure into the garbage can (12).

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