CN105568914B - Clean- suction nozzle and cleaning car - Google Patents
Clean- suction nozzle and cleaning car Download PDFInfo
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- CN105568914B CN105568914B CN201410624352.4A CN201410624352A CN105568914B CN 105568914 B CN105568914 B CN 105568914B CN 201410624352 A CN201410624352 A CN 201410624352A CN 105568914 B CN105568914 B CN 105568914B
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- brush
- suction nozzle
- clean
- suction pipe
- rotating shaft
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- 238000004140 cleaning Methods 0.000 title claims abstract description 42
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 58
- 238000000926 separation method Methods 0.000 claims abstract description 33
- 239000002699 waste material Substances 0.000 claims abstract description 32
- 208000002925 dental caries Diseases 0.000 claims abstract description 5
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 10
- 238000000429 assembly Methods 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 241001417527 Pempheridae Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 208000010086 Hypertelorism Diseases 0.000 description 1
- 206010020771 Hypertelorism of orbit Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Nozzles For Electric Vacuum Cleaners (AREA)
Abstract
The invention provides a kind of Clean- suction nozzle and cleaning car.Wherein, Clean- suction nozzle, including：Housing, housing have suction nozzle inner chamber (10)；First suction pipe (20) and the second suction pipe (30), the first suction pipe (20) and the second suction pipe (30) are arranged at intervals at the top of housing and connected respectively with suction nozzle inner chamber (10)；Clean- suction nozzle also includes：Device for separation of waste, it is arranged between the first suction pipe (20) and the second suction pipe (30) and suction nozzle inner chamber (10) is isolated into two cavitys, the rubbish near device for separation of waste is mobile towards the first suction pipe (20) and/or the second suction pipe (30) in the presence of device for separation of waste.Technical scheme efficiently solves the problem of leaking rubbish in the prior art.
Description
Technical field
The present invention relates to environmental sanitation field of mechanical technique, in particular to a kind of Clean- suction nozzle and cleaning car.
Background technology
In the field using negative pressure of vacuum suction rubbish, Clean- suction nozzle plays the important function of rubbish suction, true
In the presence of idling pressure, the rubbish storage area specified can be entered by the suction nozzle by being mingled with the gas of rubbish.Such as in cleaning car
Field, particularly in sweeper, under the swabbing action of blower fan, rubbish can enter to wash by the suction nozzle with air to be swept
In the dustbin of car, so as to play the purpose of road surface cleaning.Therefore, the design form of Clean- suction nozzle also directly influences it
The cleaning capacity of aspiration rates of the body to rubbish and the cleaning car road pavement using suction nozzle.It is it is required that Clean- on cleaning car
Suction nozzle suction capactity is strong, and cleaning efficiency is high.
As depicted in figs. 1 and 2, using sweeping, disk cleans existing sweeper and what rear portion spray boom spraying-rinsing combined washes the side of sweeping
Formula, the rubbish and water of entrance are absorbed in suction nozzle cavity.Suction nozzle is arranged symmetrically using double pipette more, and the lower section of suction pipe 1 has
Gather cavity 2 from what suction inlet highly gradually reduced outward, bottom is the straight cavity 3 of trapezoid cross section.
During the present invention is realized, inventor has found that above prior art at least has problems with：Clean above
Being inhaled with suction nozzle scavenges inefficient, and energy consumption is larger, when pavement garbage amount and waste layer thickness exceed the existing of cleaning car
During cleaning capacity, rubbish residual is had after cleaning operation on road surface, so as to cause cleaning effect bad；Meanwhile the change of speed
Also there is large effect to the absorbability of rubbish, as speed is more and more faster, it is more serious to omit phenomenon.
In summary, the service behaviour of the Clean- suction nozzle of prior art is poor, and cleaning effect is poor, clear so as to influence road
The efficiency of clean vehicle cleaning, therefore, realize to the aspiration rates of rubbish and satisfy the need by changing this body structure of Clean- suction nozzle
The lifting of the cleaning capacity in face, there is positive effect.
The content of the invention
The present invention is intended to provide a kind of Clean- suction nozzle and cleaning car, to solve the problems, such as to leak rubbish in the prior art.
To achieve these goals, according to an aspect of the invention, there is provided a kind of Clean- suction nozzle, including：Housing,
Housing has suction nozzle inner chamber；First suction pipe and the second suction pipe, the first suction pipe and the second suction pipe are arranged at intervals at the top of housing simultaneously
Connected respectively with suction nozzle inner chamber；Clean- suction nozzle also includes：Device for separation of waste, it is arranged between the first suction pipe and the second suction pipe
And suction nozzle inner chamber is isolated into two cavitys, the rubbish near device for separation of waste is in the presence of device for separation of waste towards the
One suction pipe and/or the movement of the second suction pipe.
Further, device for separation of waste separates in the distance along housing horizontal direction between the first suction pipe with rubbish
Device is equal with the distance between the second suction pipe in a lateral direction.
Further, device for separation of waste includes：The first brush and the second brush being set up in parallel, the rotation of the first brush
Direction and the direction of rotation of the second brush are opposite.
Further, the first brush includes first rotating shaft and the multiple first brush groups being spaced apart and arranged in first rotating shaft
Part, the second brush include the second rotating shaft and multiple second brush head assemblies for being spaced apart and arranged in the second rotating shaft, first rotating shaft with
Second rotating shaft is parallel to each other, and the first brush head assembly and the second brush head assembly shift to install and form cleaning crossover region.
Further, the first brush head assembly includes multiple first brushes along first rotating shaft circumferentially, each first brush
Head radially extends；Second brush head assembly includes multiple second brushes along the second rotating shaft circumferentially, each second brush edge
Radially extend.
Further, the first brush also includes the first motor of driving first rotating shaft, and the second brush also includes driving second
Second motor of rotating shaft.
According to another aspect of the present invention, there is provided one kind cleaning car, including Clean- suction nozzle, Clean- suction nozzle are above-mentioned
Clean- suction nozzle.
Further, the first brush also includes the first motor of driving first rotating shaft, and the second brush also includes driving second
Second motor of rotating shaft, cleaning car also include controller, regulating system and frequency converter, frequency converter and the first motor and the second horse
Up to connection, controller is connected with frequency converter, and sends control signal to frequency converter according to the Regulate signal of regulating system, with control
The rotating speed of first motor and the second motor.
Further, regulating system includes being used for the quantity of refuse sensing unit for monitoring rubbish abundance, controller and rubbish
Sensing unit connection is measured, controller sends the first control signal to frequency converter, control according to the monitoring signal of quantity of refuse sensing unit
Signal processed includes the first control signal, and Regulate signal includes monitoring signal.
Further, regulating system includes the operating speed detection unit for monitoring cleaning car speed, and controller is with making
Industry speed detection unit connects, and controller sends the second control signal to frequency conversion according to the GES of operating speed detection unit
Device, control signal include the second control signal, and Regulate signal includes GES.
Apply the technical scheme of the present invention, device for separation of waste is additionally arranged between the first suction pipe and the second suction pipe, so
Suction nozzle inner chamber has effectively been isolated into two relatively independent cavitys, the rubbish in a cavity is sucked by the first suction pipe,
Rubbish in another cavity is sucked by the second suction pipe.So, the rubbish in each cavity will not be by addition in suction
The suction of suction pipe in one cavity influences, and then is more beneficial for the suction of rubbish.Meanwhile the rubbish near device for separation of waste
Moved in the presence of device for separation of waste towards the first suction pipe and the second suction pipe.It so will greatly reduce letting out for rubbish
Leakage, can solve existing Clean- suction nozzle rubbish leakage problem caused by middle suction weakness well.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 shows the elevational schematic view of the Clean- suction nozzle of prior art；
Fig. 2 shows the A-A of Fig. 1 Clean- suction nozzle to schematic cross-sectional view；
Fig. 3 shows the elevational schematic view of the embodiment of the Clean- suction nozzle according to the present invention；
Fig. 4 shows enlarged diagram at the B of Fig. 3 Clean- suction nozzle；
Fig. 5 shows the C-C of Fig. 3 Clean- suction nozzle to schematic cross-sectional view；
Fig. 6 shows enlarged diagram at the D of Fig. 5 Clean- suction nozzle；And
Fig. 7 shows the connection according to the controller of the embodiment for cleaning car of the invention, frequency converter and regulating system
Schematic diagram.
Wherein, above-mentioned accompanying drawing marks including the following drawings：
1st, suction pipe；2nd, cavity is gathered；3rd, straight cavity；10th, suction nozzle inner chamber；20th, the first suction pipe；30th, the second suction pipe；40th,
One brush；41st, first rotating shaft；42nd, the first brush head assembly；43rd, the first motor；50th, the second brush；51st, the second rotating shaft；52nd,
Two brush head assemblies；53rd, the second motor.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The problem of for leaking rubbish in the prior art, inventor have carried out a series of experiment, have been found through experiments that, let out
The problem of leaking rubbish is due to the influence of the symmetry of Clean- suction nozzle suction nozzle inner chamber flow field.Specifically, due to suction nozzle inner chamber
Continuity, there is overlapping region in suction caused by two side draught pipes, therefore one of suction pipe is in the absorption process to rubbish
Necessarily influenceed by the suction of another suction pipe, influence size most serious among suction nozzle inner chamber.This is due to that rubbish and water exist
The centre position of intracavitary can not be absorbed in time by the equal suction in both sides by the suction pipe of both sides in suction nozzle.
In view of the above-mentioned problems, as shown in figure 3, the Clean- suction nozzle of the present embodiment includes：Housing, the first suction pipe 20 and second
Suction pipe 30 and device for separation of waste.Wherein housing has suction nozzle inner chamber 10, and the first suction pipe 20 and the second suction pipe 30 are arranged at intervals
Connect respectively in the top of housing and with suction nozzle inner chamber 10.Device for separation of waste be arranged on the first suction pipe 20 and the second suction pipe 30 it
Between, the rubbish near device for separation of waste moves in the presence of device for separation of waste towards the first suction pipe 20 and the second suction pipe 30
It is dynamic.
Using the Clean- suction nozzle of the present embodiment, rubbish separation dress is additionally arranged between the first suction pipe 20 and the second suction pipe 30
Put, suction nozzle inner chamber 10 has so effectively been isolated into two relatively independent cavitys, the rubbish in a cavity passes through first
Suction pipe 20 is sucked, and the rubbish in another cavity is sucked by the second suction pipe 30.So, the rubbish in each cavity is in suction
It will not be influenceed by the suction of the suction pipe in another cavity, and then be more beneficial for the suction of rubbish.Meanwhile rubbish separation dress
Rubbish near putting moves in the presence of device for separation of waste towards the first suction pipe 20 and the second suction pipe 30.So will be very big
Ground reduces the leakage of rubbish, can solve existing Clean- suction nozzle rubbish caused by middle suction weakness well and leak
Problem.
As shown in figure 3, the set location of device for separation of waste have it is a variety of, can close to the first suction pipe 20 or close to second inhale
Pipe 30.In the present embodiment, device for separation of waste is in the distance and rubbish along housing horizontal direction between the first suction pipe 20
Separator is equal with the distance between the second suction pipe 30 in a lateral direction.That is, device for separation of waste is arranged on
The centre position of suction nozzle inner chamber 10.Said structure causes the working range of the first suction pipe 20 and the second suction pipe 30 (suction distance) base
This is identical, is advantageous to the suction of rubbish, avoid causes rubbish to leak because of hypertelorism.
As shown in Figures 4 to 6, the device for separation of waste of the present embodiment includes：The first brush 40 and second being set up in parallel
The direction of rotation of brush 50, the direction of rotation of the first brush 40 and the second brush 50 is opposite.During Clean- suction nozzle work, first sweeps
The brush 50 of brush 40 and second contacts with road surface, work of the rubbish near device for separation of waste in the first brush 40 and the second brush 50
Moved, then be sucked into the first suction pipe 20 and the second suction pipe 30 with lower past both sides.Certainly, the rubbish near device for separation of waste
The movement of the first suction pipe 20 or the second suction pipe 30 can also be only oriented towards in the presence of device for separation of waste.Now, rubbish separates
Device can only include a brush, or including the multiple brushes of direction of rotation identical.Certainly, as feasible embodiment party
Formula, device for separation of waste can include gas blow pipe or sparge pipe etc., and the rubbish near device for separation of waste can be moved to by other
The structure of first suction pipe 20 and/or the second suction pipe 30.
As shown in Figures 4 to 6, in the present embodiment, the first brush 40 includes first rotating shaft 41 and is spaced apart and arranged in the
Multiple first brush head assemblies 42 in one rotating shaft 41, the second brush 50 include the second rotating shaft 51 and are spaced apart and arranged in the second rotating shaft
Multiple second brush head assemblies 52 on 51, the rotating shaft 51 of first rotating shaft 41 and second are parallel to each other, the first brush head assembly 42 and second
Brush head assembly 52 shifts to install and forms cleaning crossover region.The cleaning crossover region can successively carry out more to the rubbish in centre position
Secondary cleaning, this ensure that the nothing " dead angle " cleaned, improves and clean effect.Meanwhile first brush head assembly 42 and the second brush group
Part 52 has certain rotary speed, and the rubbish (grains of sand especially in gap) in centre position is by the He of the first brush head assembly 42
The first suction pipe 20 from certain speed bullet to both sides and the second suction pipe 30 after the cleaning of second brush head assembly 52 with, accelerate rubbish at this
Rubbish is absorbed, and reduces the conveying load of air-transport system.
As shown in fig. 6, the first brush head assembly 42 includes multiple first brushes along first rotating shaft 41 circumferentially, Mei Ge
One brush radially extends.Second brush head assembly 52 includes multiple second brushes along the second rotating shaft 51 circumferentially, Mei Ge
Two brushes radially extend.In the present embodiment, each first brush head assembly 42 includes six the first brushes, each second brush
Component 52 includes six the second brushes.Certainly, one skilled in the art will appreciate that the quantity of brush is not limited to this.
In the present embodiment, as shown in figure 4, the first brush 40 also includes the first motor 43 of driving first rotating shaft 41, the
Two brushes 50 also include the second motor 53 of the second rotating shaft 51 of driving.The output shaft rotation of first motor 43 drives first rotating shaft
41 rotate, and the output shaft rotation of the second motor 53 drives the second rotating shaft 51 to rotate.
Present invention also provides one kind to clean car, (not shown) including Clean- according to the embodiment of the cleaning car of the application
Suction nozzle, Clean- suction nozzle are above-mentioned Clean- suction nozzle.Due to using the cleaning car of above-mentioned Clean- suction nozzle, the present embodiment can
Solves existing Clean- suction nozzle rubbish leakage problem caused by middle suction weakness well.
As shown in fig. 7, cleaning car also includes controller, regulating system and frequency converter, frequency converter and the first motor 43 and
Second motor 53 is connected, and controller is connected with frequency converter, and sends control signal to frequency conversion according to the Regulate signal of regulating system
Device, to control the rotating speed of the first motor and the second motor.Can be according to reality by the regulation cleaning ability of regulating system
Situation is changed, and then can take into account the service life for cleaning effect and brush.Preferably, controller is that can carry out signal
The computer of analysis and processing.
As shown in fig. 7, in the present embodiment, the quantity of refuse sensing that regulating system includes being used to monitor rubbish abundance is single
Member, the preferable position that monitors is in the upstream of suction nozzle inner chamber 10.Controller is connected with quantity of refuse sensing unit, and controller is according to quantity of refuse
The monitoring signal of sensing unit sends the first control signal includes the first control signal, Regulate signal to frequency converter, control signal
Including monitoring signal.Specifically, when quantity of refuse sensing unit monitors road surface distribution quantity of refuse increase, first should suitably be accelerated
The rotary speed of the motor 53 of motor 43 and second, and then accelerate the rotary speed of the first brush 40 and the second brush 50, it is ensured that foot
Enough cleaning separating capacities.No rubbish leakage can still be ensured in the case where pavement garbage is more.On the other hand, rubbish is worked as
When amount sensing unit monitors that road surface distribution quantity of refuse reduces, it should suitably slow down the rotation speed of the first motor 43 and the second motor 53
Degree, and then slow down the rotary speed of the first brush 40 and the second brush 50, it can prolong on the premise of ensureing to clean separating effect
The service life of long brush.
As shown in fig. 7, in the present embodiment, regulating system includes single for the operating speed detection of monitoring cleaning car speed
Member, controller are connected with operating speed detection unit, and controller sends second according to the GES of operating speed detection unit
Control signal includes the second control signal to frequency converter, control signal, and Regulate signal includes GES.Specifically, operation is worked as
When speed detection unit monitors that speed is accelerated, it should suitably accelerate the rotary speed of the first motor 43 and the second motor 53, and then
Accelerate the rotary speed of the first brush 40 and the second brush 50, it is ensured that enough cleaning separating capacities.Under higher speed
No rubbish leakage can still be ensured.On the other hand, when operation speed detection unit monitors that speed reduces, should suitably slow down
The rotary speed of first motor 43 and the second motor 53, and then slow down the rotary speed of the first brush 40 and the second brush 50, can
To extend the service life of brush on the premise of ensureing to clean separating effect.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (9)
1. a kind of Clean- suction nozzle, including：
Housing, the housing have suction nozzle inner chamber (10)；
First suction pipe (20) and the second suction pipe (30), first suction pipe (20) and second suction pipe (30) are along housing transverse direction side
To arrangement, and it is arranged at intervals at the top of the housing and is connected respectively with the suction nozzle inner chamber (10)；
Characterized in that, the Clean- suction nozzle also includes：
Device for separation of waste, it is arranged between first suction pipe (20) and second suction pipe (30) and by the suction nozzle inner chamber
(10) two cavitys are isolated into, the rubbish near the device for separation of waste is in the presence of the device for separation of waste towards institute
State the first suction pipe (20) and/or second suction pipe (30) is mobile, the device for separation of waste includes：First be set up in parallel is swept
Brush (40) and the second brush (50), the direction of rotation of first brush (40) and the direction of rotation phase of second brush (50)
Instead.
2. Clean- suction nozzle according to claim 1, it is characterised in that the device for separation of waste is along housing transverse direction side
Upwards with the distance between first suction pipe (20) and the device for separation of waste on the horizontal direction with described second
The distance between suction pipe (30) is equal.
3. Clean- suction nozzle according to claim 1, it is characterised in that first brush (40) includes first rotating shaft
(41) and multiple first brush head assemblies (42) for being spaced apart and arranged in the first rotating shaft (41), the second brush (50) bag
Include the second rotating shaft (51) and multiple second brush head assemblies (52) being spaced apart and arranged on second rotating shaft (51), described first
Rotating shaft (41) and second rotating shaft (51) are parallel to each other, first brush head assembly (42) and second brush head assembly (52)
Shift to install and form cleaning crossover region.
4. Clean- suction nozzle according to claim 3, it is characterised in that first brush head assembly (42) is included along described
Multiple first brushes of first rotating shaft (41) circumferentially, each first brush radially extend；Second brush head assembly
(52) multiple second brushes along second rotating shaft (51) circumferentially are included, each second brush radially extends.
5. Clean- suction nozzle according to claim 3, it is characterised in that first brush (40) is also included described in driving
The first motor (43) of first rotating shaft (41), second brush (50) also include the second horse for driving second rotating shaft (51)
Up to (53).
6. one kind cleaning car, including Clean- suction nozzle, it is characterised in that the Clean- suction nozzle is any in claim 1 to 5
Clean- suction nozzle described in.
7. cleaning car according to claim 6, it is characterised in that first brush (40) also includes driving described first
The first motor (43) of rotating shaft (41), second brush (50) also include the second motor for driving second rotating shaft (51)
(53), the cleaning car also includes controller, regulating system and frequency converter, the frequency converter and first motor (43) and
Second motor (53) connection, the controller are connected with the frequency converter, and according to the Regulate signal of the regulating system
Control signal is sent to the frequency converter, to control the rotating speed of first motor and second motor.
8. cleaning car according to claim 7, it is characterised in that the regulating system includes being used to monitor rubbish abundance
Quantity of refuse sensing unit, the controller is connected with the quantity of refuse sensing unit, and the controller is according to the quantity of refuse
The monitoring signal of sensing unit sends the first control signal to the frequency converter, and the control signal includes the described first control and believed
Number, the Regulate signal includes the monitoring signal.
9. the cleaning car according to claim 7 or 8, it is characterised in that the regulating system includes being used for monitoring cleaning car
The operating speed detection unit of speed, the controller are connected with the operating speed detection unit, and the controller is according to institute
The GES for stating operating speed detection unit sends the second control signal to the frequency converter, and the control signal is including described
Second control signal, the Regulate signal include the GES.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410624352.4A CN105568914B (en) | 2014-11-07 | 2014-11-07 | Clean- suction nozzle and cleaning car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410624352.4A CN105568914B (en) | 2014-11-07 | 2014-11-07 | Clean- suction nozzle and cleaning car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105568914A CN105568914A (en) | 2016-05-11 |
| CN105568914B true CN105568914B (en) | 2017-12-19 |
Family
ID=55879504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410624352.4A Active CN105568914B (en) | 2014-11-07 | 2014-11-07 | Clean- suction nozzle and cleaning car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105568914B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005005A (en) * | 2017-12-31 | 2018-05-08 | 湖北国苗特种车辆制造有限公司 | Vacuum dust collecting truck with sunk type lifting compartment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7717329U1 (en) * | 1977-02-28 | 1978-12-21 | Rapid Maschinen Und Fahrzeuge Ag, Dietikon, Zuerich (Schweiz) | MACHINE FOR CLEANING FLAT SURFACES AND ROADS |
| US5005253A (en) * | 1989-10-12 | 1991-04-09 | Noelle John A | Surface cleaning apparatus |
| CN2221051Y (en) * | 1994-11-04 | 1996-02-28 | 张鸿梁 | Floor sweeping machine |
| CN2876172Y (en) * | 2005-10-03 | 2007-03-07 | 朱瑞胜 | Dust collecting box |
| CN203583417U (en) * | 2013-11-28 | 2014-05-07 | 长沙中联重科环卫机械有限公司 | Suction nozzle and road cleaning vehicle |
| CN203923977U (en) * | 2014-06-23 | 2014-11-05 | 徐州徐工随车起重机有限公司 | A kind of sweeper suction nozzle that can one-side operation |
-
2014
- 2014-11-07 CN CN201410624352.4A patent/CN105568914B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7717329U1 (en) * | 1977-02-28 | 1978-12-21 | Rapid Maschinen Und Fahrzeuge Ag, Dietikon, Zuerich (Schweiz) | MACHINE FOR CLEANING FLAT SURFACES AND ROADS |
| US5005253A (en) * | 1989-10-12 | 1991-04-09 | Noelle John A | Surface cleaning apparatus |
| CN2221051Y (en) * | 1994-11-04 | 1996-02-28 | 张鸿梁 | Floor sweeping machine |
| CN2876172Y (en) * | 2005-10-03 | 2007-03-07 | 朱瑞胜 | Dust collecting box |
| CN203583417U (en) * | 2013-11-28 | 2014-05-07 | 长沙中联重科环卫机械有限公司 | Suction nozzle and road cleaning vehicle |
| CN203923977U (en) * | 2014-06-23 | 2014-11-05 | 徐州徐工随车起重机有限公司 | A kind of sweeper suction nozzle that can one-side operation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105568914A (en) | 2016-05-11 |
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Address after: 410000 Hunan province Changsha hi tech Development Zone, Lin Yulu No. 288 Applicant after: ZOOMLION ENVIRONMENTAL INDUSTRY Co.,Ltd. Applicant after: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY Co.,Ltd. Address before: 410013 Changsha province high tech Development Zone, No. 307 South Road, silver basin Applicant before: Changsha Zoomlion Environmental Industry Co.,Ltd. Applicant before: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY Co.,Ltd. |
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