CN107916638A - Road sweeper - Google Patents

Road sweeper Download PDF

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Publication number
CN107916638A
CN107916638A CN201711419100.8A CN201711419100A CN107916638A CN 107916638 A CN107916638 A CN 107916638A CN 201711419100 A CN201711419100 A CN 201711419100A CN 107916638 A CN107916638 A CN 107916638A
Authority
CN
China
Prior art keywords
water tank
vehicle frame
road sweeper
covering
sweeper according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711419100.8A
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Chinese (zh)
Inventor
王翠英
康帅
胡松松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Xugong Construction Machinery Research Institute Co ltd
Original Assignee
Construction Machinery Branch of XCMG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Construction Machinery Branch of XCMG filed Critical Construction Machinery Branch of XCMG
Priority to CN201711419100.8A priority Critical patent/CN107916638A/en
Publication of CN107916638A publication Critical patent/CN107916638A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01HSTREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/02Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cleaning Of Streets, Tracks, Or Beaches (AREA)

Abstract

The invention discloses a kind of road sweeper, is related to road sweeper apparatus field, for optimizing the structure of existing road sweeper.The road sweeper includes vehicle frame and water tank, and water tank is arranged on the outside of vehicle frame in the width direction.Above-mentioned technical proposal, water tank are arranged on the side in frame width direction, are not take up the installation space of dynamical system, and water tank is separated with dynamical system, easy access dynamical system;And the installation space of water tank is big, water tank can also design bigger;Water tank dress water is more, road sweeper longevity of service.

Description

Road sweeper
Technical field
The present invention relates to road sweeper apparatus field, and in particular to a kind of road sweeper.
Background technology
Road sweeper is to sweep pipeline equipment different from existing the small-sized of large-scale sweeping machine, its using brush by pavement garbage clean to Sucker region, then inhale to sweep by sucker by wind turbine suction and be drawn into through suction pipe in dustbin.Road sweeper only needs one man operation, motor-driven spirit Work, good appearance, cleaning effect are good, especially suitable for city busy street, shopping mall, Entertainment Plaza, plant area, park.
Road sweeper is widely used in city, and now be especially focused on environmental sanitation requirement, so road sweeper be equipped with it is low Water circuit system is pressed, sets nozzle spray to be used for the sprinkling depositing dust of cleaning process on brush, sucker, is i.e. the volume of water tank can influence The single operation time.Road sweeper has the characteristics that small, characteristics of compact layout, flexible, energy saving due to application scenario characteristic, therefore, The space of road sweeper is all restricted, and water tank position and structure type are also just various.Road sweeper water tank arrangement is each at present Differ, some is positioned over under-cab, and some is positioned over dustbin downwardly or rearwardly, and some is arranged in rear car;And big portion Divide all for the synthetic material molded part of abnormity.
A kind of existing scheme is:Water tank is placed in above rear car with dustbin using synthetic material molded part, top rubbish It is seated on the downside of rubbish case using convex shape in lower water concave structure, is both needed to design using mould molding, dustbin and water Case volume is limited.Covering component can be opened below rear car, but inner side component is partially disposed in water tank concave shaped space.Should Scheme, water tank are limited by rear car space, it is necessary to which, using synthetic material molded design, shape and internal structure design are complicated, cost Improve;And as vehicle increases, it is more difficult to be limited water tank capacity by space, influences the activity duration;Rear car spill water tank is by under In-car side component masking, and space of getting off is small, needs to dismantle box body before later period maintenance maintenance, it is time-consuming and laborious, very not Just.
It is existing another kind scheme be:Water tank is placed in driver's cabin lower end, is set to ensure that water tank capacity demand is outwardly Meter, and the type more bigger evagination of big yield demand is more.Covering component is installed using multigroup bolt below rear car, inner side vehicle frame Fuel tank and hydraulic oil container are arranged in both sides.The program, water tank are placed in driver's cabin lower end and outwardly design, the bigger evagination of type It is more, increase vehicle commander, seriously affected vehicle modeling aesthetics, and evagination occupies articulation steering scope, limits steering spirit Activity;Synthetic material molded design must be also used at the same time, and shape and internal structure design are complicated, cost increase;Below rear car Covering component is fixed using multigroup bolt, and dismounting trouble is time-consuming, and inner side vehicle frame both sides arrangement fuel tank and hydraulic oil container, is connect It is extremely difficult to touch down car component, later period maintenance maintenance is very inconvenient.
Inventor has found that at least there are following problems in the prior art:It is placed in rear or under-cab below dustbin Water tank limited by space, the general very little of volume, can not meet the big volume requirements of road sweeper;And it is arranged in the water tank above rear car It is installed together with power-equipment, it is necessary to disassemble water tank before maintenance, it is time-consuming and laborious, tieed up for component on the inside of water tank Repair and cause many inconvenience.
The content of the invention
The present invention proposes a kind of road sweeper, to optimize the structure of existing road sweeper.
The present invention proposes a kind of road sweeper, including vehicle frame and water tank, and the water tank is arranged on the vehicle frame in the width direction Outside.
In one or some embodiments, the water tank is rotatably connected with the vehicle frame.
In one or some embodiments, the water tank can outwards be rotated relative to the vehicle frame, and rotation axis is vertical 's.
In one or some embodiments, the rotation axis of the water tank is located at the rear end of the vehicle frame.
In one or some embodiments, locking mechanism is equipped between the front end of the front end of the water tank and the vehicle frame, The locking mechanism is used for realization the locking or unlock of the water tank and the vehicle frame.
In one or some embodiments, the front end of the vehicle frame is equipped with the supporting part for supporting the water tank front bottom end.
In one or some embodiments, the supporting part includes nylon block.
In one or some embodiments, road sweeper further includes covering component, and the covering component is arranged on the water The outside of case.
In one or some embodiments, the front end and the front end of the vehicle frame of the covering component are rotatably connected.
In one or some embodiments, the covering component is equipped with the note connected with the water tank on its inside The mouth of a river.
In one or some embodiments, the covering component includes the first covering, the second covering and the 3rd Covering, first covering and second covering are respectively arranged on the both sides of the vehicle frame, and the 3rd covering is set In the rear end of the vehicle frame.
In one or some embodiments, first covering is rotatably connected with the vehicle frame, and shaft is located at institute The front end of vehicle frame is stated, catch assembly is equipped between the rear end of first covering and the rear end of the vehicle frame.
In one or some embodiments, second covering is rotatably connected with the vehicle frame, and shaft is located at institute The front end of vehicle frame is stated, catch assembly is equipped between the rear end of second covering and the rear end of the vehicle frame.
In one or some embodiments, the rear end of the 3rd covering and the vehicle frame is detachably connected.
In one or some embodiments, the length of the water tank is identical with the length of the vehicle frame;And/or the water The height of case is identical with the height of the vehicle frame.
In one or some embodiments, the water tank includes two, and each water tank is respectively arranged on the one of the water tank Side.
In one or some embodiments, each water tank is by the first pipeline connection, and connectivity part is close to each water The bottom of case.
In one or some embodiments, first pipeline includes hose, and the length of first pipeline is more than institute State the straight length between two end connectors after the first pipeline is installed.
In one or some embodiments, the front-end and back-end of the water tank are connected by the second pipeline with quick-release connector, And connectivity part is close to the bottom of the water tank.
In one or some embodiments, second pipeline includes hose, and the length of second pipeline is more than institute State the straight length between two end connectors after the second pipeline is installed.
Based on above-mentioned technical proposal, the embodiment of the present invention can at least produce following technique effect:
Above-mentioned technical proposal, water tank are arranged on the side in frame width direction, and the installation space with dynamical system is to separate, It is not take up the installation space of dynamical system;And the installation space of water tank is big, tank size can also design bigger, to prolong The working time of long road sweeper.
Brief description of the drawings
Attached drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is road sweeper partial structural diagram one provided in an embodiment of the present invention;
Fig. 2 is that the structure chart of power-equipment is exposed in the water tank rotation of road sweeper provided in an embodiment of the present invention;
Fig. 3 is road sweeper partial structural diagram two provided in an embodiment of the present invention;
Fig. 4 is the pipeline schematic diagram of road sweeper provided in an embodiment of the present invention;
Fig. 5 is road sweeper overall structure diagram provided in an embodiment of the present invention.
Embodiment
Technical solution provided by the invention is illustrated in more detail with reference to Fig. 1~Fig. 5.
The embodiment of the present invention provides a kind of road sweeper, including vehicle frame 1 and water tank 2, and water tank 2 is arranged on vehicle frame 1 along width side To outside.
Before the headstock direction of road sweeper is, after tailstock direction is.The length side of length direction and road sweeper as referred to herein To width is the width of road sweeper.
In one or some embodiments, water tank 2 is rotatably connected with vehicle frame 1, when overhauling component, it is convenient to rotate Water tank 2.
Referring to Fig. 2, in one or some embodiments, the middle part of water tank length direction is equipped with avoiding structure 23, to avoid Tire 10.
The thickness of water tank 2 and the thickness of tire 10 are similar, and water tank 2 is installed on the outside of vehicle frame 1, avoids the position of tire 10 Put.The size of water tank 2 can be as far as possible big, such as using the structure shown in Fig. 2, and tire 10 is avoided at the middle part of water tank 2, before water tank 2 Both ends are substantially concordant with the base plane of vehicle frame 1 afterwards.
The road sweeper can be that electronic, bavin moves road sweeper.Water tank 2 can set one or more.In the present embodiment, to set Exemplified by putting two, each side of 1 width of vehicle frame is designed with a water tank 2.Each water tank 2 is rotatably connected with vehicle frame 1. Certainly, one of them and vehicle frame 1 can be also rotatably connected, another is fixedly linked with vehicle frame 1.Two or more water are being set On the premise of case 2, even if only a water tank 2 is rotatably connected with vehicle frame 1, maintenance 1 internally-powered equipment of vehicle frame can also be increased Convenience.
Further, water tank 2 can outwards be rotated relative to vehicle frame 1.So-called outwards rotation, refers to towards outside vehicle frame 1 Spatial rotational, specific rotor shaft direction can be horizontal either vertical or also but between it is horizontal with it is vertical between It is obliquely installed.In the present embodiment, exemplified by a shaft is vertical, shaft uses the set-up mode, and water tank 2 rotates more convenient.
Further, the rotation axis of water tank 2 is located at the rear end of vehicle frame 1.Which causes 2 outer supination of water tank, after vehicle frame 1 There is enough service clearances between end and the front end of vehicle frame 1.
In order to enable water tank 2 is solid and reliable during road is swept, it is equipped with and uses between the front end of water tank 2 and the front end of vehicle frame 1 In the locking mechanism 3 for locking water tank 2 and vehicle frame 1.Locking mechanism 3 can use the modes such as latch, buckle to conveniently realize locking And unlock.When needing to rotate water tank 2, locking mechanism 3 is opened so that the front end of water tank 2 is unlocked with the front end of vehicle frame 1, water tank 2 Rear end be rotatably connected with vehicle frame 1.
Referring to Fig. 2, further, the front end of vehicle frame 1 is equipped with the supporting part 4 of support water tank 2.Supporting part 4 is to the course of work In water tank 2 play a supporting role.
Supporting part 4 includes nylon block.In vehicle travels operation, nylon block can play damping operation, and nylon block is not easy to grind 2 bottom of water tank is damaged, the probability for 2 leak of water tank occur can be reduced.
Referring to Fig. 1 and Fig. 3, further, road sweeper further includes covering component 5, and covering component 5 is arranged on water tank 2 Outside and covering component 5 is connected with vehicle frame 1.Covering component 5 can block water tank 2, avoid water tank 2 from using process dust fall.
Referring to Fig. 3, in the present embodiment, covering component 5 includes the first covering 51, the second covering 52 and the 3rd covers Outside the water tank 2 for the both sides that cover piece 53, the first covering 51 and the second covering 52 are respectively arranged on vehicle frame 1, the 3rd covering 53 Arranged on the rear end of vehicle frame 1.
Referring to Fig. 3, after setting covering component 5, for the ease of adding water into water tank 2, the first covering 51 is equipped with and position The water filling port 54 of the filler connection of the water tank 2 of side in the inner;And/or second covering 52 be equipped with and water on its inside The water filling port 54 of the filler connection of case 2.
Further, the length of water tank 2 is identical with the length of vehicle frame 1;And/or the height of water tank 2 and the height of vehicle frame 1 It is identical.The size of water tank 2 is programmable as far as possible big, to increase by 2 capacity of water tank, extends the road sweeper working time.
Referring to Fig. 4, alternatively, each water tank 2 is connected by the first pipeline 8, and connectivity part is close to the bottom of each water tank 2.This Any one water tank 2 of sample has water, and the sprinkler system 7 of road sweeper just can be by normal water supply, to ensure its normal work.
First pipeline 8 includes hose, and the length of the first pipeline 8 is more than after the first pipeline 8 is installed between two end connectors Straight length.First pipeline 8 includes hose, and length is longer, and water tank 2 can be avoided to interfere during turning outside with the first pipeline 8. In Fig. 4, the first pipeline 8 includes four-way connection pipe 73 and the water supply pipe 78 positioned at both sides.Four-way connection pipe 73 for hard tube and It is fixed on vehicle frame 1, four-way port realizes that pipeline connects by connector, and two reduction of fractions to a common denominators, which do not connect two water tanks 2, one, leads to and connect water supply The logical supply high-pressure hydraulic pump of pipeline 78, one.Hose is specially steel wire water pipe hoses.
Further, the front-end and back-end of water tank 2 are connected by the second pipeline 9 with quick-release connector 75, and connectivity part is close The bottom of water tank 2.The structure that can cause water tank 2 using the structure designs as needed, for example is designed as bottom surface central region Height, the low structure in both ends.Improve the flexibility of the design of water tank 2.
Alternatively, the second pipeline 9 includes hose, and the length of the second pipeline 9 is more than two end connectors after the installation of the second pipeline 9 Between straight length.Second pipeline 9 uses hose, and length is longer, can avoid water tank 2 turn outside during with the first pipeline 8 interference;And in 2 rotation process of water tank, the second pipeline 9 can have certain bend allowance.
Above-mentioned technical proposal, suitable for big carriage type road sweeper, is adapted to company's road sweeper seriation system type, modularization to set Meter, reduces cost;Revolving water tank 2 and covering footprint 5, can easily Unscrew, be 1 inner side dynamical system of vehicle frame and Related component maintenance provides facility;Each covering rotation process is simple, dismounting is easy, time saving and energy saving, can reduce work Intensity improves work efficiency.
An embodiment is discussed in detail with reference to the structure of Fig. 1 to Fig. 4.
Referring to Fig. 2, each water tank 2 includes babinet, filler and the sealing cover arranged on filler.Water tank 2, which is equipped with, to be used to add The filler of water, filler are sealed by sealing cover 21.Water tank 2 is installed on 1 side of vehicle frame, rotatable opening.Before water tank 2 Lower end is supported by the nylon block for being fixed on 1 front end of vehicle frame, and preceding upper end is locked on vehicle frame 1 by catch assembly, it is necessary to rotate water During case 2, catch assembly is opened.
Referring to Fig. 2,2 rear end of water tank is connected with the column of vehicle frame 1 by axis pin 22, rotatable to be achieved as desired by.Water The rear and front end of case 2 is connected by the second pipeline 9, and the second pipeline 9 is connected with ball valve with quick-release connector 75, is needing to rotate water tank When 2, ball valve is closed, and dismantles quick-release connector 75, with the pipeline connection closed water route, disconnect itself front and back end of water tank 2.Then beat Hasp between 2 front end of boiled water tank and car body, then pulls water tank 2 to be allowed to rotate.After water tank 2 rotates, expose positioned at vehicle frame 1 On dynamical system, considerably increase space for maintenance, facilitate the maintenance and repair of the components such as 1 inner side dynamical system of vehicle frame.
The front and rear low water level of two water tanks 2 itself is also connection, so no matter which water tank 2 has water, can spray and remove Dirt.
Referring to Fig. 1 and Fig. 3, covering component 5 includes the first covering 51, the second covering 52, the 3rd covering 53, the One mounting bracket 12, the second mounting bracket 13, catch assembly and bolt assembly are formed.First covering 51, the second covering 52 The outside of 1 both sides water tank of vehicle frame 2 is separately mounted to, there are two hooks up and down in front end, can be articulated on the wing plate stent 11 of vehicle frame 1, Rear end is fixed on the first mounting bracket 12, in the second mounting bracket 13 by catch assembly.Open the rotatable opening of catch assembly First covering 51, the second covering 52.
Referring to Fig. 3,53 upside both ends of the 3rd covering are equipped with two hooks, can be articulated in respectively the first mounting bracket 12, Second mounting bracket, 13 upper end, lower end are fixed by latch form and the first mounting bracket 12,13 lower end of the second mounting bracket.The Three coverings 53 and the first mounting bracket 12, the second mounting bracket 13 are assembled to be fixed on vehicle frame 1 by bolt assembly after component Be installed on the first column 14 and the second column 15 on.Pressing lower end latch can easily pull down the 3rd covering 53.In addition, Water filling port 54 is respectively arranged with first covering 51, the second covering 52, can be opened easily to each covering by compressing switch The water tank 2 plus water of inner side.
The length and height of water tank 2 are basically identical with vehicle frame 1, its volume increases with the change of 1 size of vehicle frame.
The water route connection of the water tank 2 of above-mentioned road sweeper is described in detail below.
Above-mentioned water tank 2 mainly supplies water to sprinkler system 7, high-pressure hydraulic pump.Sprinkler system 7 is installed on 2 lower end of water tank, including Filter 71, water pump 72, four-way connection pipe 73, ball valve 74, quick-release connector 75, connecting pipeline 76,77, water supply pipe 78, water delivery Pipeline 79, nozzle (be installed on suction and sweep system, do not shown in figure) and each pipe joint etc..Wherein four-way connection pipe 73 connects both sides 2 low water level of water tank, connecting pipeline 76 are used to connect 2 both ends low water level of the first water tank, and 77 are used to connect the low water in 2 both ends of the second water tank Position.Water supply pipe 78, which supplies water to supply to supply water through hydraulic pipeline 79 after feed pump 72 after the filtering of filter 71, sweeps spray in system to inhaling Mouth sprays depositing dust.Quick-release connector 75 is provided with connecting pipeline 76,77, water tank 2 front end in both sides is equipped with ball valve 74, when water tank 2, Close ball valve 74 and unplug quick-release connector 75, you can realize that both sides water tank 2 rotates.
Water tank 2 can carry out size design with vehicle size, facilitate seriation, modularized design application to reduce cost;Water tank 2 And covering can easily Unscrew, provide facility for 1 inner side dynamical system of vehicle frame and related component maintenance, and The articulation steering flexibility of vehicle is not interfered with.Also, opening, closing covering are easy to operate, dismounting is easy, time saving and energy saving, Labor intensity can be reduced and improve work efficiency.
Above-mentioned technical proposal, suitable for big carriage type road sweeper, is adapted to company's road sweeper seriation system type, modularization to set Meter, reduces cost, and clever structure, facilitates miscellaneous part to arrange, can make full use of rear car space.Water tank 2 can be with vehicle size Size design is carried out, facilitates seriation, modularized design application to reduce cost;
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", "front", "rear", The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on attached drawing institutes The orientation or position relationship shown is only for ease of the description present invention and simplifies description, rather than instruction or the device for inferring meaning Or element must have specific orientation, be specific azimuth configuration and operation, thus it is not intended that in present invention protection The limitation of appearance.
Finally it should be noted that:The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that:It still may be used To modify to the technical solution described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic, But these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical solution spirit and Scope.

Claims (21)

1. a kind of road sweeper, it is characterised in that including vehicle frame (1) and water tank (2), the water tank (2) is arranged on the vehicle frame (1) Outside in the width direction.
2. road sweeper according to claim 1, it is characterised in that the water tank (2) rotatably connects with the vehicle frame (1) Connect.
3. road sweeper according to claim 2, it is characterised in that the water tank (2) can be outside relative to the vehicle frame (1) Rotation, and rotation axis is vertical.
4. road sweeper according to claim 2, it is characterised in that the rotation axis of the water tank (2) is located at the vehicle frame (1) Rear end.
5. road sweeper according to claim 4, it is characterised in that before the front end of the water tank (2) and the vehicle frame (1) Be equipped with locking mechanism (3) between end, the locking mechanism (3) be used for realization the water tank (2) and the vehicle frame (1) locking or Unlock.
6. road sweeper according to claim 5, it is characterised in that the front end of the vehicle frame (1), which is equipped with, supports the water tank (2) supporting part (4) of front bottom end.
7. road sweeper according to claim 6, it is characterised in that the supporting part (4) includes nylon block.
8. according to any road sweepers of claim 1-7, it is characterised in that further include covering component (5), the covering Part component (5) is arranged on the outside of the water tank (2).
9. road sweeper according to claim 8, it is characterised in that the front end of the covering component (5) and the vehicle frame (1) front end is rotatably connected.
10. road sweeper according to claim 9, it is characterised in that the covering component (5) be equipped with it is on its inside The water tank (2) connection water filling port (54).
11. road sweeper according to claim 9, it is characterised in that the covering component (5) includes the first covering (51), the second covering (52) and the 3rd covering (53), first covering (51) and second covering (52) The both sides of the vehicle frame (1) are respectively arranged on, the 3rd covering (53) is arranged on the rear end of the vehicle frame (1).
12. road sweeper according to claim 11, it is characterised in that first covering (51) and the vehicle frame (1) It is rotatably connected, and shaft is located at the front end of the vehicle frame (1), rear end and the vehicle frame (1) of first covering (51) Rear end between be equipped with catch assembly (16).
13. road sweeper according to claim 11, it is characterised in that second covering (52) and the vehicle frame (1) It is rotatably connected, and shaft is located at the front end of the vehicle frame (1), rear end and the vehicle frame (1) of second covering (52) Rear end between be equipped with catch assembly (16).
14. road sweeper according to claim 11, it is characterised in that the 3rd covering (53) and the vehicle frame (1) Rear end be detachably connected.
15. according to any road sweepers of claim 1-7, it is characterised in that the length of the water tank (2) and the vehicle frame (1) length is identical;And/or the height of the water tank (2) is identical with the height of the vehicle frame (1).
16. according to any road sweepers of claim 1-7, it is characterised in that the water tank (2) is each described including two Water tank (2) is respectively arranged on the side of the water tank (2).
17. road sweeper according to claim 16, it is characterised in that each water tank (2) is connected by the first pipeline (8) It is logical, and connectivity part is close to the bottom of each water tank (2).
18. road sweeper according to claim 17, it is characterised in that first pipeline includes hose, and described first The length of pipeline (8) is more than the straight length between two end connectors after first pipeline (8) is installed.
19. road sweeper according to claim 1, it is characterised in that the front-end and back-end of the water tank (2) pass through the second pipe Road (9) is connected with quick-release connector (75), and connectivity part is close to the bottom of the water tank (2).
20. road sweeper according to claim 19, it is characterised in that second pipeline includes hose, and described second The length of pipeline (9) is more than the straight length between two end connectors after second pipeline (9) is installed.
21. road sweeper according to claim 1, it is characterised in that the middle part of water tank (2) length direction, which is equipped with, to be avoided Structure (23).
CN201711419100.8A 2017-12-25 2017-12-25 Road sweeper Pending CN107916638A (en)

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