CN108104023B - A kind of suction nozzle of sweeping car and sweeping machine - Google Patents
A kind of suction nozzle of sweeping car and sweeping machine Download PDFInfo
- Publication number
- CN108104023B CN108104023B CN201711320077.7A CN201711320077A CN108104023B CN 108104023 B CN108104023 B CN 108104023B CN 201711320077 A CN201711320077 A CN 201711320077A CN 108104023 B CN108104023 B CN 108104023B
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- Prior art keywords
- rubbish
- front apron
- cavity
- plate
- upper cover
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
- E01H1/0827—Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust, e.g. dislodging-sweeping machines with independent suction nozzles ; Mechanical loosening devices working under vacuum
- E01H1/0836—Apparatus dislodging all of the dirt by suction ; Suction nozzles
- E01H1/0845—Apparatus dislodging all of the dirt by suction ; Suction nozzles with mechanical loosening or feeding instruments for the dirt to be sucked- up, e.g. brushes, scrapers
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
Abstract
The invention discloses a kind of suction nozzle of sweeping car and sweeping machine, the sweeping machine includes front apron, side plate, upper cover plate, suction pipe, rear sealing plate and rubbish hoisting mechanism；The front apron and side plate and upper cover plate and rear sealing plate form cavity；The rubbish hoisting mechanism is arranged on the side plate of cavity side；The height of the front apron is lower than side plate, upper cover plate and rear sealing plate, and the front apron and both side plate form garbage inlet, and the front apron is to rubbish hoisting mechanism incline structure；The upper cover plate is equipped with suction inlet, and the suction pipe is connected to upper cover plate by suction inlet.When sweeping machine is when operation, when encountering lesser rubbish object, rubbish object is inhaled into the cabinet of the smaller rubbish of collection of sweeping machine；And when encountering larger rubbish object, larger rubbish object is promoted in the cabinet for collecting larger rubbish object by rubbish hoisting mechanism.It realizes the cleaning to size rubbish object, and classifies according to its size to rubbish object, be conducive to processing of the later period to rubbish.
Description
Technical field
The present invention relates to cleaning device of sweeping machine field, in particular to a kind of suction nozzle of sweeping car and sweeping machine.
Background technique
Currently, environmental sanitation mechanization has become a kind of trend, compare hand sweeping, and mechanization cleaning equipment such as sweeps road
Vehicle etc., working efficiency is higher, and safer, is suitable for the Dangerous Areas such as some highways, so having at present increasingly
More application sweeping machine etc. is conscientious to be cleaned and keeps a public place clean.Sweeping machine is divided into Purely sweeping type and suction sweeping type, dust-absorption sweeping machine assembly at present
There is suction nozzle, the effects of collecting rubbish, depositing dust can be played in operation process, operating efficiency is higher, so suction sweeping type more meets at present
The market demand.
The nozzle unit of dust-absorption sweeping machine is its working principle is that extracted out air in cabinet by blower, in formation cabinet
The state of negative pressure, suction nozzle are connect with cabinet, and air is supplemented into cabinet by suction nozzle, and rubbish is passed through suction nozzle inspiration cabinet by the way
It is interior.Since terrain clearance of the above operation mode to suction nozzle has compared with strict requirements, it is normally controlled in 5~10mm, so suction nozzle
The rubbish of smaller size smaller can only be drawn, the large volume of rubbish such as beverage bottle can not be drawn.And it also takes some measures at present
Larger rubbish is drawn, since it does not draw the different rubbish of volume separately, draws large volume rubbish to meet
Effect may will cause small size rubbish difficulty to draw clean, or mix after the rubbish absorption of big small size, increase
The difficulty of later period garbage classification.
Summary of the invention
For this reason, it may be necessary to provide a kind of suction nozzle of sweeping car and sweeping machine, current sweeping machine is solved to meet and draws large volume rubbish
Rubbish and the rubbish mixing for causing small size rubbish difficulty to draw clean and big small size draws and increases later period garbage classification difficulty and ask
Topic.
To achieve the above object, a kind of suction nozzle of sweeping car, including front apron, side plate, upper cover plate, suction are inventor provided
Pipe, rear sealing plate and rubbish hoisting mechanism；
The front apron and side plate and upper cover plate and rear sealing plate form cavity；
The rubbish hoisting mechanism is arranged on the side plate of cavity side；
The height of the front apron is lower than side plate, upper cover plate and rear sealing plate, the front apron and both side plate formed rubbish into
Mouthful, the front apron is to rubbish hoisting mechanism incline structure；
The upper cover plate is equipped with suction inlet, and the suction pipe is connected to upper cover plate by suction inlet.
Advanced optimize, further include elastic baffle, the elastic baffle is set in cavity, the elastic baffle and side plate and
Upper cover plate forms the second cavity, and the suction pipe is connected in the second cavity by suction inlet.
It advanced optimizes, the rubbish hoisting mechanism is two, is separately positioned on the side plate of cavity two sides, the front
Plate is intermediate to two sides incline structure.
It advanced optimizes, the three-legged structure of the front apron.
It advanced optimizes, the rubbish hoisting mechanism includes guide block and transmission device, and the guide block is arranged on side plate, institute
Stating transmission device includes the first roller, second tin roller, conveyer belt, lifting plate and driving device, and first roller, which is set to, leads
The other end of guide block is arranged in one end of block, the second tin roller, and the conveyer belt is around the first roller and second tin roller head and the tail
Be connected, the lifting plate be it is multiple, the lifting plate is arranged at intervals on transmission belt, and the driving device includes driving motor,
The driving motor is connect with the first drum drive.
Inventor additionally provides another technical solution, a kind of sweeping machine, and the sweeping machine includes sweeping machine described above
Suction nozzle.
It is different from the prior art, above-mentioned technical proposal, when sweeping machine is when operation, when encountering lesser rubbish object
When, it will be entered in cavity by front apron, due to being in negative pressure state in cavity, rubbish object will be inhaled into cavity
It is interior, it is finally inhaled into the cabinet of the smaller rubbish of collection of sweeping machine；And when encountering larger rubbish object, it will be by front apron
It blocks, since front apron is tilted to rubbish hoisting mechanism, in sweeping machine traveling, rubbish object can be walked toward inclined direction, most Zhongdao
Up to rubbish hoisting mechanism, larger rubbish object is promoted in the cabinet for collecting larger rubbish object by rubbish hoisting mechanism.It realizes to big
The cleaning of small rubbish object, and classify according to its size to rubbish object, be conducive to processing of the later period to rubbish.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of suction nozzle of sweeping car described in specific embodiment；
Fig. 2 is a kind of overlooking structure diagram of suction nozzle of sweeping car described in specific embodiment；
Fig. 3 is a kind of structural schematic diagram of waste lifting device described in specific embodiment
Description of symbols:
110, front apron,
120, elastic baffle,
130, upper cover plate,
140, suction pipe,
150, rear sealing plate,
160, rubbish hoisting mechanism,
161, the first roller,
162, second tin roller,
163, transmission belt,
164, lifting plate,
165, guide block.
Specific embodiment
Technology contents, construction feature, the objects and the effects for detailed description technical solution, below in conjunction with specific reality
It applies example and attached drawing is cooperated to be explained in detail.
It please refers to Fig.1 to Fig.3, a kind of suction nozzle of sweeping car described in the present embodiment, including front apron 110, side plate, upper cover plate
130, suction pipe 140, rear sealing plate 150 and rubbish hoisting mechanism 160；
The front apron 110 forms cavity with side plate and upper cover plate 130 and rear sealing plate 150；
The rubbish hoisting mechanism 160 is arranged on the side plate of cavity side；
The height of the front apron 110 is lower than side plate, upper cover plate 130 and rear sealing plate 150, the front apron 110 and two sides
Plate forms garbage inlet, and the front apron 110 is to 160 incline structure of rubbish hoisting mechanism；
The upper cover plate 130 is equipped with suction inlet, and the suction pipe 140 is connected to upper cover plate 130 by suction inlet.
Suction nozzle of sweeping car is connected in the cabinet of the smaller rubbish of collection of sweeping machine by suction pipe 140, rubbish hoisting mechanism
160 are connected to the cabinet of the larger rubbish of collection of sweeping machine；There are a certain distance in the cavity of suction nozzle of sweeping car and bottom surface.Work as operation
When, blower extracts the air in the cabinet for collecting smaller rubbish out, makes to collect formation negative pressure in the cabinet of smaller rubbish
State, the cabinet for collecting smaller rubbish carry out supplement air by suction nozzle of sweeping car；Lesser rubbish can be drawn into
Enter into the cabinet for collecting smaller rubbish, when suction nozzle encounters lesser rubbish, due to being in negative pressure state, lesser rubbish in cavity
Rubbish can be entered in cavity by garbage inlet, and then be finally inhaled into the cabinet for collecting smaller rubbish；And encounter compared with
When big rubbish object, biggish rubbish object can not enter cavity by garbage inlet, and with the advance of sweeping machine, it is biggish
Rubbish object can walk about with the inclined direction of front apron 110, and when biggish rubbish object is gone to before rubbish hoisting mechanism 160,
Biggish rubbish object can be promoted in the cabinet for collecting larger rubbish by rubbish lift structure.
It in the present embodiment, further include elastic baffle 120 in order to reinforce the negative pressure state of cavity, the elastic baffle 120
In cavity, the elastic baffle 120 forms the second cavity with side plate and upper cover plate 130, and the suction pipe 140 is connected by suction inlet
It is connected in the second cavity.The second cavity is formed in the cavity by elastic baffle 120, reduces opening for the second cavity ingress of air
Mouthful, increase the preceding intracorporal negative pressure state of second chamber；When operating, when encountering lesser rubbish object, lesser rubbish object passes through rubbish
Rubbish import enters cavity, due to being in negative pressure state in the second cavity, so that lesser rubbish object is entered by elastic baffle 120
It is entered in the cabinet for collecting smaller rubbish into the second cavity, and then through suction pipe 140.
In the present embodiment, in the cabinet for collecting larger rubbish to enter biggish rubbish object, the rubbish is mentioned
Rising mechanism 160 is two, is separately positioned on the side plate of cavity two sides, and the front apron 110 is intermediate to two sides incline structure.
Two rubbish hoisting mechanisms 160 are set, the two sides of cavity are separately positioned on, and it is inclined to two sides that layer is arranged in front apron 110
Structure, sweeping machine can be shunted biggish rubbish object by the two sides incline structure of front apron 110, pass through cavity respectively
The rubbish hoisting mechanism 160 of two sides biggish rubbish object is promoted in the cabinet for collecting larger rubbish, accelerates larger
Rubbish object enter in the cabinet for collecting larger rubbish, reduce biggish rubbish object and the blocking of garbage inlet be unfavorable for
The case where lesser rubbish object enters cavity generation.Wherein, the two sides incline structure of front apron 110 can be three-legged structure, can
To be that biggish rubbish object enters waste lifting device；Front apron 110 can also use the structures such as semicircle, half elliptic,
Biggish rubbish object is preferably further separated into the rubbish hoisting mechanism 160 of two sides.
In the present embodiment, the promotion to biggish rubbish object for convenience, the rubbish hoisting mechanism 160 include guide block
165 and transmission device, the guide block 165 is arranged on side plate, and the transmission device includes the first roller 161, second tin roller
162, conveyer belt, lifting plate 164 and driving device, first roller 161 are set to one end of guide block 165, second rolling
The other end of guide block 165 is arranged in cylinder 162, and the conveyer belt joins end to end around the first roller 161 and second tin roller 162, institute
State lifting plate 164 be it is multiple, the lifting plate 164 is arranged at intervals on transmission belt 163, the driving device include driving electricity
Machine, the driving motor and the first roller 161 are sequentially connected.Motor in driving device drives the first roller 161 to rotate, and the
The rotation of one roller 161 drives the movement of transmission belt 163, when biggish rubbish object reaches the bottom end of guide block 165, transmission
Biggish rubbish object is brought into guide block 165 by the lifting plate 164 taken, and biggish rubbish object drives with transmission belt 163
Lifting plate 164 enters in the cabinet for collecting larger rubbish object along guide block 165；Facilitate biggish rubbish object enter collection compared with
In the cabinet of big rubbish object.Wherein, rubbish hoisting mechanism 160 can be connected to another suction nozzle, the suction nozzle collects larger rubbish
The cabinet of object makes the cabinet for collecting larger rubbish in negative pressure state by blower, and elastic plate is equipped with before the suction nozzle, biggish rubbish
Rubbish object can be entered in the suction nozzle by elastic plate, and then be entered in the cabinet for collecting larger rubbish object.
In another embodiment, a kind of sweeping machine, the sweeping machine include suction nozzle of sweeping car described in above-described embodiment.Institute
Stating suction nozzle of sweeping car includes front apron 110, side plate, upper cover plate 130, suction pipe 140, rear sealing plate 150 and rubbish hoisting mechanism 160；
The front apron 110 forms cavity with side plate and upper cover plate 130 and rear sealing plate 150；
The rubbish hoisting mechanism 160 is arranged on the side plate of cavity side；
The height of the front apron 110 is lower than side plate, upper cover plate 130 and rear sealing plate 150, the front apron 110 and two sides
Plate forms garbage inlet, and the front apron 110 is to 160 incline structure of rubbish hoisting mechanism；
The upper cover plate 130 is equipped with suction inlet, and the suction pipe 140 is connected to upper cover plate 130 by suction inlet.
Suction nozzle of sweeping car is connected in the cabinet of the smaller rubbish of collection of sweeping machine by suction pipe 140, rubbish hoisting mechanism
160 are connected to the cabinet of the larger rubbish of collection of sweeping machine；There are a certain distance in the cavity of suction nozzle of sweeping car and bottom surface.Work as operation
When, blower extracts the air in the cabinet for collecting smaller rubbish out, makes to collect formation negative pressure in the cabinet of smaller rubbish
State, the cabinet for collecting smaller rubbish carry out supplement air by suction nozzle of sweeping car；Lesser rubbish can be drawn into
Enter into the cabinet for collecting smaller rubbish, when suction nozzle encounters lesser rubbish, due to being in negative pressure state, lesser rubbish in cavity
Rubbish can be entered in cavity by garbage inlet, and then be finally inhaled into the cabinet for collecting smaller rubbish；And encounter compared with
When big rubbish object, biggish rubbish object can not enter cavity by garbage inlet, and with the advance of sweeping machine, it is biggish
Rubbish object can walk about with the inclined direction of front apron 110, and when biggish rubbish object is gone to before rubbish hoisting mechanism 160,
Biggish rubbish object can be promoted in the cabinet for collecting larger rubbish by rubbish lift structure.
It in the present embodiment, further include elastic baffle 120 in order to reinforce the negative pressure state of cavity, the elastic baffle 120
In cavity, the elastic baffle 120 forms the second cavity with side plate and upper cover plate 130, and the suction pipe 140 is connected by suction inlet
It is connected in the second cavity.The second cavity is formed in the cavity by elastic baffle 120, reduces opening for the second cavity ingress of air
Mouthful, increase the preceding intracorporal negative pressure state of second chamber；When operating, when encountering lesser rubbish object, lesser rubbish object passes through rubbish
Rubbish import enters cavity, due to being in negative pressure state in the second cavity, so that lesser rubbish object is entered by elastic baffle 120
It is entered in the cabinet for collecting smaller rubbish into the second cavity, and then through suction pipe 140.
In the present embodiment, in the cabinet for collecting larger rubbish to enter biggish rubbish object, the rubbish is mentioned
Rising mechanism 160 is two, is separately positioned on the side plate of cavity two sides, and the front apron 110 is intermediate to two sides incline structure.
Two rubbish hoisting mechanisms 160 are set, the two sides of cavity are separately positioned on, and it is inclined to two sides that layer is arranged in front apron 110
Structure, sweeping machine can be shunted biggish rubbish object by the two sides incline structure of front apron 110, pass through cavity respectively
The rubbish hoisting mechanism 160 of two sides biggish rubbish object is promoted in the cabinet for collecting larger rubbish, accelerates larger
Rubbish object enter in the cabinet for collecting larger rubbish, reduce biggish rubbish object and the blocking of garbage inlet be unfavorable for
The case where lesser rubbish object enters cavity generation.Wherein, the two sides incline structure of front apron 110 can be three-legged structure, can
To be that biggish rubbish object enters waste lifting device；Front apron 110 can also use the structures such as semicircle, half elliptic,
Biggish rubbish object is preferably further separated into the rubbish hoisting mechanism 160 of two sides.
In the present embodiment, the promotion to biggish rubbish object for convenience, the rubbish hoisting mechanism 160 include guide block
165 and transmission device, the guide block 165 is arranged on side plate, and the transmission device includes the first roller 161, second tin roller
162, conveyer belt, lifting plate 164 and driving device, first roller 161 are set to one end of guide block 165, second rolling
The other end of guide block 165 is arranged in cylinder 162, and the conveyer belt joins end to end around the first roller 161 and second tin roller 162, institute
State lifting plate 164 be it is multiple, the lifting plate 164 is arranged at intervals on transmission belt 163, the driving device include driving electricity
Machine, the driving motor and the first roller 161 are sequentially connected.Motor in driving device drives the first roller 161 to rotate, and the
The rotation of one roller 161 drives the movement of transmission belt 163, when biggish rubbish object reaches the bottom end of guide block 165, transmission
Biggish rubbish object is brought into guide block 165 by the lifting plate 164 taken, and biggish rubbish object drives with transmission belt 163
Lifting plate 164 enters in the cabinet for collecting larger rubbish object along guide block 165；Facilitate biggish rubbish object enter collection compared with
In the cabinet of big rubbish object.Wherein, rubbish hoisting mechanism 160 can be connected to another suction nozzle, the suction nozzle collects larger rubbish
The cabinet of object makes the cabinet for collecting larger rubbish in negative pressure state by blower, and elastic plate is equipped with before the suction nozzle, biggish rubbish
Rubbish object can be entered in the suction nozzle by elastic plate, and then be entered in the cabinet for collecting larger rubbish object.
It should be noted that being not intended to limit although the various embodiments described above have been described herein
Scope of patent protection of the invention.Therefore, it based on innovative idea of the invention, change that embodiment described herein is carried out and is repaired
Change, or using equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it directly or indirectly will be with
Upper technical solution is used in other related technical areas, is included within scope of patent protection of the invention.
Claims (6)
1. a kind of suction nozzle of sweeping car, which is characterized in that promoted including front apron, side plate, upper cover plate, suction pipe, rear sealing plate and rubbish
Mechanism；
The front apron and side plate and upper cover plate and rear sealing plate form cavity；
The rubbish hoisting mechanism is arranged on the side plate of cavity side；
The height of the front apron is lower than side plate, upper cover plate and rear sealing plate, and the front apron and both side plate form garbage inlet, institute
Stating front apron is to rubbish hoisting mechanism incline structure；
The upper cover plate is equipped with suction inlet, and the suction pipe is connected to upper cover plate by suction inlet.
2. suction nozzle of sweeping car according to claim 1, which is characterized in that further include elastic baffle, the elastic baffle is set to
In cavity, the elastic baffle and side plate and upper cover plate form the second cavity, and the suction pipe is connected to the second cavity by suction inlet
It is interior.
3. suction nozzle of sweeping car according to claim 1, which is characterized in that the rubbish hoisting mechanism is two, is respectively set
On the side plate of cavity two sides, the front apron is intermediate to two sides incline structure.
4. suction nozzle of sweeping car according to claim 3, which is characterized in that the three-legged structure of the front apron.
5. suction nozzle of sweeping car according to claim 1, which is characterized in that the rubbish hoisting mechanism includes guide block and transmission dress
It sets, the guide block is arranged on side plate, and the transmission device includes the first roller, second tin roller, conveyer belt, lifting plate and driving
Device, first roller are set to one end of guide block, and the second tin roller is arranged in the other end of guide block, the conveyer belt around
Cross the first roller and second tin roller join end to end, the lifting plate be it is multiple, the lifting plate is arranged at intervals on transmission belt, institute
Stating driving device includes driving motor, and the driving motor is connect with the first drum drive.
6. a kind of sweeping machine, which is characterized in that the sweeping machine includes any suction nozzle of sweeping car of claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711320077.7A CN108104023B (en) | 2017-12-12 | 2017-12-12 | A kind of suction nozzle of sweeping car and sweeping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711320077.7A CN108104023B (en) | 2017-12-12 | 2017-12-12 | A kind of suction nozzle of sweeping car and sweeping machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108104023A CN108104023A (en) | 2018-06-01 |
| CN108104023B true CN108104023B (en) | 2019-08-20 |
Family
ID=62216658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711320077.7A Active CN108104023B (en) | 2017-12-12 | 2017-12-12 | A kind of suction nozzle of sweeping car and sweeping machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108104023B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999130B (en) * | 2018-09-07 | 2020-06-05 | 长沙中联重科环境产业有限公司 | Sanitation truck suction nozzle and adjustment method for air inlet height at front end of sanitation truck suction nozzle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4146504B1 (en) * | 2007-10-29 | 2008-09-10 | 兼松エンジニアリング株式会社 | Special paving function recovery vehicle |
| CN102704426A (en) * | 2012-05-24 | 2012-10-03 | 长沙中联重科环卫机械有限公司 | Suction nozzle of sweeping car and sweeping car |
| CN202519611U (en) * | 2012-03-30 | 2012-11-07 | 厦门厦工重工有限公司 | Washing and sweeping vehicle sucker with dissymmetric recovery cavity |
| CN204919452U (en) * | 2015-09-06 | 2015-12-30 | 湖南城市学院 | Pure formula road sweeper that inhales |
| CN206396694U (en) * | 2017-01-05 | 2017-08-11 | 郑州宇通重工有限公司 | One kind, which is washed, sweeps class vehicle nozzle unit |
-
2017
- 2017-12-12 CN CN201711320077.7A patent/CN108104023B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4146504B1 (en) * | 2007-10-29 | 2008-09-10 | 兼松エンジニアリング株式会社 | Special paving function recovery vehicle |
| CN202519611U (en) * | 2012-03-30 | 2012-11-07 | 厦门厦工重工有限公司 | Washing and sweeping vehicle sucker with dissymmetric recovery cavity |
| CN102704426A (en) * | 2012-05-24 | 2012-10-03 | 长沙中联重科环卫机械有限公司 | Suction nozzle of sweeping car and sweeping car |
| CN204919452U (en) * | 2015-09-06 | 2015-12-30 | 湖南城市学院 | Pure formula road sweeper that inhales |
| CN206396694U (en) * | 2017-01-05 | 2017-08-11 | 郑州宇通重工有限公司 | One kind, which is washed, sweeps class vehicle nozzle unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108104023A (en) | 2018-06-01 |
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Address after: 364028 No. 42, Longteng South Road, Donghua community, Dongxiao Town, Xinluo District, Longyan City, Fujian Province Patentee after: Fulongma Group Co.,Ltd. Address before: 364000 Longyan Economic Development Zone, Longyan City, Fujian Province Patentee before: FUJIAN LONGMA ENVIRONMENTAL SANITATION EQUIPMENT Co.,Ltd. |
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