CN220619918U

CN220619918U - Rotary washing and sweeping vehicle

Info

Publication number: CN220619918U
Application number: CN202322137150.4U
Authority: CN
Inventors: 孙浩; 秦怀亮; 梁发乐; 时兆义
Original assignee: China Heavy Automobile Group Ji'nan Special Car Co ltd
Current assignee: China Heavy Automobile Group Ji'nan Special Car Co ltd
Priority date: 2023-08-09
Filing date: 2023-08-09
Publication date: 2024-03-19
Anticipated expiration: 2033-08-09

Abstract

The utility model discloses a rotary washing and sweeping vehicle, which belongs to the technical field of washing and sweeping vehicles and comprises a vehicle frame, a centrally-mounted cleaning assembly and a laterally-mounted cleaning assembly, wherein the laterally-mounted cleaning assembly comprises a laterally-mounted mounting seat and a laterally-mounted suction nozzle; the middle cleaning assembly comprises a middle suction nozzle, a plurality of middle rotary seats are arranged on the lower side of the middle suction nozzle, a plurality of middle rotary spray bars are rotatably arranged on the lower side of the middle rotary seats, and middle spray heads are arranged on the middle rotary spray bars; the garbage can also comprises a high-pressure water pump and a negative-pressure garbage can. The high-pressure water pump provides high-pressure water flow, so that the reverse pushing rotation of the spray head is realized, the omnibearing efficient cleaning is realized, and the cleaning area is wider; the middle suction nozzle and the side suction nozzle suck sewage and garbage, and the sewage and garbage are stored through the negative pressure garbage can, so that the influence on normal running and operation caused by the sewage left on the road surface is avoided.

Description

Rotary washing and sweeping vehicle

Technical Field

The utility model belongs to the technical field of washing and sweeping vehicles, and particularly relates to a rotary washing and sweeping vehicle.

Background

Along with the rapid pace of urban development, the requirements for sanitation vehicle equipment are increased, and along with the progress of sanitation operation equipment, the urban roads, viaducts and highways gradually realize mechanized cleaning operation, and sanitation equipment such as cleaning trucks, sweeping vehicles and watering vehicles are widely used in the urban road cleaning operation.

The washing and sweeping vehicle is a road surface cleaning and keeping vehicle in a road cleaning and sweeping vehicle series. The multifunctional cleaning machine has the functions of cleaning road surfaces, cleaning road edges and cleaning road edge stone facades, low-pressure flushing, spray dust removal and the like. The multifunctional washing and sweeping machine has various operation modes such as full washing and sweeping, left washing and sweeping, right washing and sweeping, full sweeping and the like. The 'full cleaning and sweeping' mode is selected to clean squares and pavements, the cleaning efficiency is high, the effect is good, and the cleaning rate is more than 95%. The left washing and sweeping mode or the right washing and sweeping mode is selected to wash the pavement and the curb. When road surface cleaning or road surface cleaning operation is needed, a road cleaning mode can be selected. When the spraying dust removal is needed, the spraying device can be started to carry out spraying dust removal operation. The low-pressure flushing operation can be carried out on the road surface like a sprinkler.

The cleaning and sweeping vehicle is suitable for cleaning operations such as mechanical cleaning, sweeping, spraying dust fall and the like of urban roads, highways, squares, airports, wharfs, tunnels, bridges, partition walls and curb and stone facades.

At present, the operation mode of the traditional washing and sweeping vehicle is that a fixed spray boom is used for cleaning a road surface, the cleaning water pressure is low, the cleaning angle is single, only loose garbage on the road surface can be cleaned, and relatively stubborn pollutants such as scale deposit, hardening, greasy dirt and the like on the road cannot be effectively cleaned. And the conventional washing and sweeping vehicle is configured into a side double-sweeping brush and a middle suction nozzle, the side-sweeping brush only plays a role in sweeping garbage to the middle, road surface cleaning on two sides of the vehicle cannot be completed, a wider operation cleaning area cannot be achieved, and sewage can be reserved on two sides of the vehicle to influence normal running.

Disclosure of Invention

The utility model provides a rotary washing and sweeping vehicle, which aims to solve the problems that the traditional washing and sweeping vehicle has low washing water pressure, single washing angle and incapability of effectively removing relatively intractable pollutants, and can not finish road surface washing on two sides of the vehicle, and can not reach a wider operation washing area, and sewage can be reserved on two sides of the vehicle to influence normal running.

The utility model is realized by the following technical scheme:

the side cleaning assembly comprises a side mounting seat and side suction nozzles which are arranged on the side part of the frame, a side rotary seat is arranged on the side mounting seat, a plurality of side rotary spray bars are rotatably arranged on the lower side of the side rotary seat, side spray heads are arranged on the side rotary spray bars, and the side suction nozzles are semi-surrounded on the rear side of the side rotary seat; the middle cleaning assembly comprises a middle suction nozzle connected with the frame, a plurality of middle rotary seats are arranged on the lower side of the middle suction nozzle, a plurality of middle rotary spray bars are rotatably arranged on the lower side of the middle rotary seats, and middle spray heads are arranged on the middle rotary spray bars; the high-pressure garbage can is connected with the side nozzle and the middle nozzle respectively, and the negative-pressure garbage can is connected with the side nozzle and the middle nozzle respectively.

In addition, the side rotary spray bars at the lower side of the side rotary seat and the middle rotary spray bars at the lower side of the middle rotary seat are respectively arranged in an annular array, and the side spray heads and the middle spray heads are respectively in the simultaneous needle direction and incline downwards.

According to the utility model, the side mounting brackets are arranged on two sides of the frame, the connecting frame is rotatably arranged on the side mounting brackets through the vertical rotating shaft, the side swing arms and the adjusting pull rods are rotatably arranged on the connecting frame, one ends of the side swing arms and the adjusting pull rods, which are far away from the connecting frame, are respectively rotatably connected with the side mounting seats, and the connecting frame, the side mounting seats, the side swing arms and the adjusting pull rods form a four-bar mechanism; the side oil cylinder connected with the side installation seat is installed on the frame.

The utility model further improves that the side face of the frame is provided with a hanging frame, the end part of the hanging frame is hung with a tension spring, the lower side of the tension spring is connected with a chain connected with the side swing arm, and the tension spring has a pulling force in an outward and upward direction on the side mounting seat through the chain.

The utility model further improves that a basket bolt is arranged between the tension spring and the chain.

The utility model further improves that the middle-mounted mounting brackets are arranged on the two sides of the frame, the connecting rods are rotatably arranged on the middle-mounted mounting brackets, one ends of the connecting rods, which are far away from the frame, are hinged with the middle-mounted suction nozzle, and the middle-mounted oil cylinder which is connected with the upper side of the middle-mounted suction nozzle is also arranged on the frame.

The utility model further improves that the four corners of the middle suction nozzle are provided with rollers.

The utility model further improves that the frame is also provided with a water diversion valve, the input end of the water diversion valve is connected with the high-pressure water pump, and the output end of the water diversion valve is respectively communicated with the side spray head and the middle spray head through a side waterway and a middle waterway.

The utility model further improves that the middle parts of the side rotary spray bars are connected with side rotary pipes, a side high-speed bearing which is arranged in a rotating fit way with the side rotary pipes and a side rotary joint which is connected with the ends of the rotary pipes are arranged in the side rotary seats, and the other ends of the side rotary joints are connected with side waterways; the middle parts of the plurality of middle-arranged rotary spray bars are connected with middle-arranged rotary pipes, middle-arranged high-speed bearings which are arranged in a rotating fit manner with the middle-arranged rotary pipes and middle-arranged rotary joints which are connected with the ends of the middle-arranged rotary pipes are arranged in the middle-arranged rotary seats, and the other ends of the middle-arranged rotary joints are connected with middle-arranged waterways.

The utility model further improves that the frame is also provided with a fan connected with the negative pressure dustbin.

From the technical scheme, the beneficial effects of the utility model are as follows:

the high-pressure water pump respectively provides high-pressure water flow for the middle-placed spray head and the side-placed spray head, the high-pressure water flow is sprayed outwards through the middle-placed spray head and the side-placed spray head, and the automatic high-speed rotation of the middle-placed rotary assembly and the side-placed rotary assembly is realized through the reverse thrust of the high-pressure water flow, so that the omnibearing and efficient cleaning of the rotary coverage areas of the middle-placed spray head and the side-placed spray head is realized, the relatively-intractable pollutants are effectively removed, and the relatively-intractable pollutant cleaning area is wider; and the negative pressure dustbin is communicated with the middle suction nozzle and the side suction nozzle through the middle suction barrel and the side suction barrel respectively, the sewage and the pavement garbage after high-pressure rotary cleaning are sucked through the middle suction nozzle and the side suction nozzle, and the sewage is conveyed into the negative pressure dustbin through the middle suction barrel and the side suction barrel, so that the problems that the normal running and the operation are influenced due to the sewage left on the pavement are effectively avoided. The whole structure is simple, the realization is easy, and the practicality is good.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.

FIG. 2 is a schematic illustration of a side wash assembly and a center wash assembly according to an embodiment of the utility model.

Fig. 3 is a schematic top view of an embodiment of the present utility model.

In the accompanying drawings: 1. adjusting the pull rod; 2. a side oil cylinder; 3. a high pressure water pump; 4. a side mounting seat; 5. a side rotary seat; 6. a blower; 7. a centrally installed mounting bracket; 8. a side waterway; 9. a shunt valve; 10. a connecting rod; 11. a side suction tube; 12. a middle oil cylinder; 13. a middle waterway; 14. a middle suction tube; 15. a frame; 16. a side mounting bracket; 17. a side swing arm; 18. a side suction nozzle; 19. a side rotary spray rod; 20. a side nozzle; 21. a suction nozzle is arranged in the middle; 22. a rotary spray rod is arranged in the middle; 23. a spray head is arranged in the middle; 24. a middle rotary seat; 25. a roller; 26. a hanging rack; 27. a chain; 28. a tension spring; 29. a basket bolt; 30. negative pressure dustbin.

Detailed Description

In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the utility model are intended to be within the scope of the patent protection.

As shown in fig. 1-3, an alternative embodiment of the present utility model discloses a rotary cleaning and sweeping vehicle, which comprises a frame 15, a middle cleaning assembly installed in the middle of the frame 15, and side cleaning assemblies installed on two sides of the frame 15, wherein each side cleaning assembly comprises a side installation seat 4 and side suction nozzles 18 installed on the side of the frame 15, a side rotary seat 5 is installed on the side installation seat 4, a plurality of side rotary spray bars 19 are rotatably installed on the lower side of the side rotary seat 5, side spray nozzles 20 are installed on the side rotary spray bars 19, the side suction nozzles 18 are semi-enclosed on the rear side of the side rotary seat 5 and are connected with the side installation seat 4, and the side rotary seat 5, the plurality of side rotary spray bars 19 and the side spray bars 20 form a side rotary assembly; the middle cleaning assembly comprises a middle suction nozzle 21 connected with the frame 15, a plurality of middle rotary seats 24 which are transversely arranged are arranged on the lower side of the middle suction nozzle 21, a plurality of middle rotary spray bars 22 are rotatably arranged on the lower side of the middle rotary seats 24, middle spray heads 23 are arranged on the middle rotary spray bars 22, and the middle rotary seats 24, the middle rotary spray bars 22 and the middle spray heads 23 form a middle rotary assembly; the rotary washing and sweeping vehicle further comprises a high-pressure water pump 3 and a negative-pressure dustbin 30 which are arranged on the frame 15, wherein the high-pressure water pump 3 is respectively connected with the side spray head 20 and the middle spray head 23, and the negative-pressure dustbin 30 is respectively connected with the side suction nozzle 18 and the middle suction nozzle 21.

The high-pressure water pump 3 respectively provides high-pressure water flow for the middle-set spray head 23 and the side-set spray head 20, the high-pressure water flow is sprayed outwards through the middle-set spray head 23 and the side-set spray head 20, and the automatic high-speed rotation of the middle-set rotary assembly and the side-set rotary assembly is realized respectively through the reverse thrust of the high-pressure water flow, so that the omnibearing and efficient cleaning of the rotary coverage areas of the middle-set spray head 23 and the side-set spray head 20 is realized, the relatively stubborn pollutants are effectively cleaned, and the relatively stubborn pollutants are provided with a wider operation cleaning area; and the negative pressure dustbin 30 is respectively communicated with the middle suction nozzle 21 and the side suction nozzle 18 through the middle suction barrel 14 and the side suction barrel 11, the sewage and the road surface garbage after high-pressure rotary cleaning are sucked through the middle suction nozzle 21 and the side suction nozzle 18, and the sewage is conveyed into the negative pressure dustbin 30 through the middle suction barrel 14 and the side suction barrel 11, so that the problems that the normal running and the operation are influenced due to the fact that the sewage is left on the road surface are effectively avoided. The whole structure is simple, the realization is easy, and the practicality is good.

The side rotary spray rod 19 at the lower side of the side rotary seat 5 and the middle rotary spray rod 22 at the lower side of the middle rotary seat 24 are respectively arranged in an annular array, so that the balance of the reverse thrust rotation of the side rotary spray rod 19 on the side rotary assembly and the middle rotary spray rod 22 on the middle rotary assembly is ensured, and the side spray head 20 and the middle spray head 23 are respectively in the same needle direction and incline downwards.

The other alternative embodiment of the utility model discloses a rotary washing and sweeping vehicle, which comprises a frame 15, a middle cleaning assembly arranged in the middle of the frame 15, and side cleaning assemblies arranged on two sides of the frame 15, wherein each side cleaning assembly comprises a side mounting seat 4 and a side suction nozzle 18 which are arranged on the side part of the frame 15, a side rotary seat 5 is arranged on each side mounting seat 4, a plurality of side rotary spray bars 19 are rotatably arranged on the lower side of each side rotary seat 5, a side spray nozzle 20 is arranged on each side rotary spray bar 19, each side suction nozzle 18 is semi-surrounded on the rear side of each side rotary seat 5 and is connected with each side mounting seat 4, and each side rotary seat 5, each side rotary spray bar 19 and each side spray nozzle 20 form a side rotary assembly; the middle cleaning assembly comprises a middle suction nozzle 21 connected with the frame 15, a plurality of middle rotary seats 24 which are transversely arranged are arranged on the lower side of the middle suction nozzle 21, a plurality of middle rotary spray bars 22 are rotatably arranged on the lower side of the middle rotary seats 24, middle spray heads 23 are arranged on the middle rotary spray bars 22, and the middle rotary seats 24, the middle rotary spray bars 22 and the middle spray heads 23 form a middle rotary assembly; the rotary washing and sweeping vehicle further comprises a high-pressure water pump 3 and a negative-pressure dustbin 30 which are arranged on the frame 15, wherein the high-pressure water pump 3 is respectively connected with the side spray head 20 and the middle spray head 23, and the negative-pressure dustbin 30 is respectively connected with the side suction nozzle 18 and the middle suction nozzle 21. The two sides of the frame 15 are provided with side mounting brackets 16, the side mounting brackets 16 are rotatably provided with connecting frames through upright rotating shafts, the connecting frames are rotatably provided with side swing arms 17 and adjusting pull rods 1, one ends of the side swing arms 17 and the adjusting pull rods 1, which are far away from the connecting frames, are respectively rotatably connected with the side mounting seats 4, and the connecting frames, the side mounting seats 4, the side swing arms 17 and the adjusting pull rods 1 form a four-bar mechanism; the side oil cylinder 2 connected with the side installation seat 4 is installed on the frame 15. The side of the frame 15 is provided with a hanging frame 26, the end part of the hanging frame 26 is hung with a tension spring 28, the lower side of the tension spring 28 is connected with a chain 27 connected with the lower end of the side swing arm 17, and the tension spring 28 has a pulling force in an outward and upward direction on the side mounting seat 4 through the chain 27.

When the side cleaning assembly is not used, the side cleaning assembly is in a stowing state, when the side cleaning assembly is used, the side oil cylinder 2 extends out, the side cleaning assembly falls down through a four-bar mechanism, the connecting frame is rotatably installed through a vertical rotating shaft, the side cleaning assembly is automatically swung out outwards under the outward pulling force of the tension spring 28 and the chain 27, so that the suspension hoisting of the side rotating assembly is realized through the tension spring 28, the chain 27 and the side oil cylinder 2, the lower edge of the side suction nozzle 18 has an air inlet gap of 20mm from the ground, the reliability of sewage and garbage absorption is ensured, and collision damage caused by the uneven pavement on the side cleaning assembly can be avoided.

The lower edge of the side suction nozzle 18 is reinforced and turned, and covered with a rubber protection pad, so that the protection of the side suction nozzle 18 can be effectively enhanced.

The length of the pull rod 1 can be adjusted, so that the turnover angle of the side-mounted rotating assembly can be conveniently adjusted, better sewage and garbage adsorption can be realized, and various working conditions can be flexibly adapted.

Wherein, a basket bolt 29 is arranged between the tension spring 28 and the chain 27. The tension of the tension spring 28 on the lateral rotating assembly is flexibly adjusted by the stud 29.

In another alternative embodiment of the utility model, a rotary washing and sweeping vehicle is disclosed, comprising a frame 15, a centrally arranged cleaning assembly arranged in the middle of the frame 15, and side cleaning assemblies arranged on two sides of the frame 15, wherein each side cleaning assembly comprises a side mounting seat 4 and a side suction nozzle 18 which are arranged on the side part of the frame 15, a side rotary seat 5 is arranged on the side mounting seat 4, a plurality of side rotary spray bars 19 are rotatably arranged on the lower side of the side rotary seat 5, a side spray nozzle 20 is arranged on the side rotary spray bars 19, and the side suction nozzle 18 is semi-enclosed on the rear side of the side rotary seat 5 and is connected with the side mounting seat 4, so that the side rotary seat 5, the plurality of side rotary spray bars 19 and the side spray nozzles 20 form a side rotary assembly; the middle cleaning assembly comprises a middle suction nozzle 21 connected with the frame 15, a plurality of middle rotary seats 24 which are transversely arranged are arranged on the lower side of the middle suction nozzle 21, a plurality of middle rotary spray bars 22 are rotatably arranged on the lower side of the middle rotary seats 24, middle spray heads 23 are arranged on the middle rotary spray bars 22, and the middle rotary seats 24, the middle rotary spray bars 22 and the middle spray heads 23 form a middle rotary assembly; the rotary washing and sweeping vehicle further comprises a high-pressure water pump 3 and a negative-pressure dustbin 30 which are arranged on the frame 15, wherein the high-pressure water pump 3 is respectively connected with the side spray head 20 and the middle spray head 23, and the negative-pressure dustbin 30 is respectively connected with the side suction nozzle 18 and the middle suction nozzle 21. The middle-mounted mounting brackets 7 are arranged on two sides of the frame 15, the connecting rod 10 is rotatably arranged on the middle-mounted mounting brackets 7, one end of the connecting rod 10, which is far away from the frame 15, is hinged with the middle-mounted suction nozzle 21, and the middle-mounted oil cylinder 12 which is connected with the upper side of the middle-mounted suction nozzle 21 is also arranged on the frame 15. When the middle cleaning assembly is not used, the middle cleaning assembly is in a stowing state, and is extended out through the middle oil cylinder 12 to drive the middle cleaning assembly to fall, so that an air inlet gap of 20mm is reserved on the lower edge of the middle suction nozzle 21 from the ground, and the reliability of sewage and garbage absorption is ensured.

Wherein, the four corners of the middle suction nozzle 21 are provided with rubber idler wheels 25. The roller 25 is supported on the ground, so that the reliable support of the whole centrally-mounted cleaning assembly is realized, and the cleaning reliability of the centrally-mounted spray head 23 and the adsorption reliability of the centrally-mounted suction nozzle 21 are ensured.

The frame 15 is also provided with a water diversion valve 9, the input end of the water diversion valve 9 is connected with the high-pressure water pump 3, and the output end of the water diversion valve 9 is respectively communicated with the side spray head 20 and the middle spray head 23 through the side waterway 8 and the middle waterway 13. The reliability of water supply to the side spray heads 20 and the middle spray head 23 is effectively realized.

Further, the middle parts of the side rotary spray bars 19 are connected (communicated) with side rotary pipes, a side high-speed bearing which is in running fit with the side rotary pipes and a side rotary joint which is connected with the ends of the rotary pipes are arranged in the side rotary seat 5, and the other ends of the side rotary joints are connected with a side waterway 8; the middle parts of the plurality of middle-set rotary spray bars 22 are connected (communicated) with middle-set rotary pipes, middle-set high-speed bearings which are installed in a rotary fit with the middle-set rotary pipes and middle-set rotary joints which are connected with the ends of the middle-set rotary pipes are installed in the middle-set rotary seats 24, and the other ends of the middle-set rotary joints are connected with the middle-set waterway 13. The spray head is communicated with the rotary spray rod, the rotary spray rod is communicated with the rotary pipe, and high-pressure water flow is connected to the rotary pipe through the rotary joint, so that reliable high-pressure water supply to the middle spray head 23 and the side spray heads 20 is realized.

Wherein, the frame 15 is also provided with a fan 6 connected with a negative pressure dustbin 30. The negative pressure state of the negative pressure dustbin 30 is realized by the air suction of the fan 6, thereby ensuring the reliability of the suction nozzles 21 and 18 for sucking sewage and garbage.

The rotary washing and sweeping vehicle has the advantages that the high-pressure water pump 3 respectively provides high-pressure water flow for the middle-arranged spray head 23 and the side-arranged spray head 20, the high-pressure water flow is sprayed outwards through the middle-arranged spray head 23 and the side-arranged spray head 20, and the automatic high-speed rotation of the middle-arranged rotary assembly and the side-arranged rotary assembly is realized through the reverse thrust of the high-pressure water flow, so that the omnibearing and efficient cleaning of the rotary coverage areas of the middle-arranged spray head 23 and the side-arranged spray head 20 is realized, the relatively-intractable pollutants are effectively cleaned, and the cleaning area for operation is wider; and the negative pressure dustbin 30 is respectively communicated with the middle suction nozzle 21 and the side suction nozzle 18 through the middle suction barrel 14 and the side suction barrel 11, the sewage and the road surface garbage after high-pressure rotary cleaning are sucked through the middle suction nozzle 21 and the side suction nozzle 18, and the sewage is conveyed into the negative pressure dustbin 30 through the middle suction barrel 14 and the side suction barrel 11, so that the problems that the normal running and the operation are influenced due to the fact that the sewage is left on the road surface are effectively avoided. The whole structure is simple, the realization is easy, and the practicality is good.

In the present specification, each embodiment is described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same and similar parts between the embodiments are only required to be referred to each other.

The terms "upper", "lower", "outside", "inside", and the like in the description and in the claims of the present utility model and in the above drawings, if any, are used for distinguishing between relative relationships in position and not necessarily for giving qualitative sense. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The rotary washing and sweeping vehicle comprises a vehicle frame (15) and a middle cleaning assembly arranged in the middle of the vehicle frame (15), and side cleaning assemblies arranged on two sides of the vehicle frame (15), and is characterized in that the side cleaning assemblies comprise side mounting seats (4) and side suction nozzles (18) arranged on the side parts of the vehicle frame (15), the side mounting seats (4) are provided with side rotary seats (5), a plurality of side rotary spray bars (19) are rotatably arranged on the lower sides of the side rotary seats (5), side spray heads (20) are arranged on the side rotary spray bars (19), and the side suction nozzles (18) are semi-surrounded on the rear sides of the side rotary seats (5); the middle cleaning assembly comprises a middle suction nozzle (21) connected with the frame (15), a plurality of middle rotary seats (24) are arranged on the lower side of the middle suction nozzle (21), a plurality of middle rotary spray bars (22) are rotatably arranged on the lower side of the middle rotary seats (24), and middle spray heads (23) are arranged on the middle rotary spray bars (22); the high-pressure garbage truck further comprises a high-pressure water pump (3) and a negative-pressure garbage truck box (30) which are arranged on the truck frame (15), wherein the high-pressure water pump (3) is respectively connected with the side spray head (20) and the middle spray head (23), and the negative-pressure garbage truck box (30) is respectively connected with the side suction nozzle (18) and the middle suction nozzle (21).

2. The rotary sweeper according to claim 1, characterized in that the side rotary spray bars (19) on the underside of the side rotary seat (5) and the center rotary spray bars (22) on the underside of the center rotary seat (24) are arranged in an annular array, respectively, and the side spray heads (20) and the center spray heads (23) are inclined downward in the simultaneous needle direction, respectively.

3. The rotary washing and sweeping vehicle according to claim 1, wherein side mounting brackets (16) are arranged on two sides of the frame (15), a connecting frame is rotatably arranged on the side mounting brackets (16) through a vertical rotating shaft, a side swing arm (17) and an adjusting pull rod (1) are rotatably arranged on the connecting frame, one ends of the side swing arm (17) and the adjusting pull rod (1) far away from the connecting frame are respectively rotatably connected with the side mounting seat (4), and the connecting frame, the side mounting seat (4), the side swing arm (17) and the adjusting pull rod (1) form a four-bar mechanism; the side oil cylinder (2) connected with the side mounting seat (4) is arranged on the frame (15).

4. A rotary washing and sweeping vehicle according to claim 3, characterized in that a hanging rack (26) is arranged on the side face of the frame (15), a tension spring (28) is hung at the end part of the hanging rack (26), a chain (27) connected with the side swing arm (17) is connected to the lower side of the tension spring (28), and the tension spring (28) has a pulling force in the outward upward direction on the side mounting seat (4) through the chain (27).

5. The rotary sweeper as claimed in claim 4, characterized in that a stud (29) is connected between the tension spring (28) and the chain (27).

6. The rotary washing and sweeping vehicle according to claim 1, wherein the middle-mounted mounting brackets (7) are mounted on two sides of the frame (15), the connecting rod (10) is rotatably mounted on the middle-mounted mounting brackets (7), one end of the connecting rod (10) far away from the frame (15) is hinged with the middle-mounted suction nozzle (21), and the middle-mounted oil cylinder (12) connected with the upper side of the middle-mounted suction nozzle (21) is further mounted on the frame (15).

7. The rotary washing and sweeping vehicle according to claim 1, characterized in that the four corners of the centrally arranged suction nozzle (21) are provided with rollers (25).

8. The rotary washing and sweeping vehicle according to claim 1, wherein a water diversion valve (9) is further installed on the frame (15), the input end of the water diversion valve (9) is connected with the high-pressure water pump (3), and the output end of the water diversion valve (9) is respectively communicated with the side spray head (20) and the middle spray head (23) through the side waterway (8) and the middle waterway (13).

9. The rotary washing and sweeping vehicle according to claim 8, wherein the middle parts of the side rotary spray bars (19) are connected with side rotary pipes, side high-speed bearings which are installed in a rotating fit with the side rotary pipes and side rotary joints which are connected with the ends of the rotary pipes are installed in the side rotary seats (5), and the other ends of the side rotary joints are connected with side waterways (8); the middle of the middle rotary spray bars (22) is connected with a middle rotary pipe, a middle high-speed bearing which is in running fit with the middle rotary pipe and a middle rotary joint which is connected with the end of the middle rotary pipe are arranged in the middle rotary seat (24), and the other end of the middle rotary joint is connected with a middle waterway (13).

10. The rotary washing and sweeping vehicle according to claim 1, characterized in that the frame (15) is also provided with a fan (6) connected with a negative pressure dustbin (30).