CN108442289B - Self-adaptive adjustment control device for sweeping brush of sweeper - Google Patents
Self-adaptive adjustment control device for sweeping brush of sweeper Download PDFInfo
- Publication number
- CN108442289B CN108442289B CN201810486435.XA CN201810486435A CN108442289B CN 108442289 B CN108442289 B CN 108442289B CN 201810486435 A CN201810486435 A CN 201810486435A CN 108442289 B CN108442289 B CN 108442289B
- Authority
- CN
- China
- Prior art keywords
- sweeping
- brush
- self
- electromagnetic valve
- proximity switch
- 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.)
- Active
Links
- 238000010408 sweeping Methods 0.000 title claims abstract description 131
- 241001417527 Pempheridae Species 0.000 title claims abstract description 20
- 238000007906 compression Methods 0.000 claims description 25
- 230000006835 compression Effects 0.000 claims description 24
- 230000006698 induction Effects 0.000 claims description 16
- 238000004140 cleaning Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 244000007853 Sarothamnus scoparius Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- 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
- E01H1/02—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt
- E01H1/05—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt with driven brushes
-
- 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
- E01H1/02—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt
- E01H1/05—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt with driven brushes
- E01H1/053—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt with driven brushes having vertical axes
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Brushes (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a self-adaptive adjustment control device for a sweeping brush of a sweeper, which is characterized in that at least one group of sensing pins are arranged at the top end of the sweeping brush, the sensing pins correspond to a proximity switch arranged above, the output end of the proximity switch is connected with a controller, an electromagnetic valve is arranged in a gas path between a gas path system of an automobile chassis and a cylinder, when the sweeping brush works normally, the sensing pins move up and down along with the sweeping brush to trigger the proximity switch to output signals to the controller, when the sweeping brush shifts up and down to cause the change of the grounding pressure, the sensing pins shift up and down along with the sweeping brush to cause the change of the proximity switch signals received by the controller in a fixed rotation period, the controller controls the electromagnetic valve to stretch and retract along with the gas path of the cylinder according to the signal change, and the stretching of the cylinder enables the sweeping disc to lift along with a sweeping disc frame, so that the self-adaptive adjustment of the grounding pressure of the sweeping brush is realized. The device can enable the sweeping brush to adaptively adjust the grounding pressure, and improves the sweeping efficiency.
Description
Technical Field
The invention relates to the technical field of environmental sanitation equipment, in particular to a self-adaptive adjustment control device for a road sweeper sweeping brush.
Background
The sweeper is a road sweeper, is mainly used for road sweeping operations of town roads, squares, airports and the like, replaces the traditional manual sweeping mode, and has high operation efficiency. The sweeping device of the sweeping vehicle mainly comprises a sweeping disc, a sweeping brush is arranged on the sweeping disc, and the sweeping work is mainly driven by a motor arranged on the sweeping disc. The sweeping disc is arranged on the sweeping disc frame, and the sweeping disc is lifted and lowered by an oil cylinder on the sweeping disc frame. The oil cylinder and the frame are arranged in a floating way, and the chain and the screw rod are arranged on the sweeping disc frame.
The sweeping efficiency of the sweeping machine is closely related to the grounding pressure of the sweeping brush, at present, the grounding pressure adjustment of the sweeping machine sweeping brush in the industry is mostly realized by manually adjusting a chain and a screw rod, the sweeping brush grounding pressure adjustment is different from person to person, the adjusting result of the same person is different, and if the sweeping brush grounding pressure is too large, the sweeping brush abrasion is accelerated. If the sweeping brush is not adjusted in time after being worn or the grounding pressure of the sweeping brush is too small after being adjusted, the sweeping efficiency is affected. In order to solve the problems, the industry adopts hydraulic control sweeping self-adaptive adjustment, and the self-adaptive adjustment is not sensitive enough due to the fact that the influence of the viscosity of hydraulic oil is large due to the ambient temperature.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a self-adaptive adjustment control device for a sweeping brush of a sweeper, which can self-adaptively adjust the grounding pressure after the sweeping brush is worn and improve the sweeping efficiency.
In order to solve the technical problems, the invention provides a self-adaptive adjustment control device for sweeping brushes of a sweeper, which comprises a sweeping disc hinged to one end of a sweeping disc frame, wherein a plurality of groups of sweeping brushes are arranged below the sweeping disc;
when the sweeping machine works normally, the sensing pin shaft moves up and down along with the sweeping machine in each sweeping machine rotating period to trigger the proximity switch to output signals to the controller, when the sweeping machine shifts up and down to cause the change of the grounding pressure, the sensing pin shaft shifts up and down along with the sweeping machine to cause the change of the proximity switch signals received by the controller in the fixed rotating period, the controller controls the electromagnetic valve to be communicated with the air passage of the air cylinder to enable the electromagnetic valve to stretch and retract according to the change of the signals, the air cylinder stretches and stretches to enable the sweeping machine to lift along with the sweeping machine frame, and therefore self-adaptive adjustment of the sweeping grounding pressure is achieved.
Further, the top end of the sweeping brush is encapsulated in the guide plate, and the sensing pin shaft penetrates through the guide plate to extend outwards.
Further, a compression spring is arranged in a gap between the top end of the sweeping brush and the guide plate, and the top end of the compression spring is fixedly connected with the induction pin shaft.
Further, a groove is formed in the top end of the sweeping brush, and the compression spring is placed in the groove.
Further, the electromagnetic valve is a three-position five-way electromagnetic valve.
Further, the compression amount of the compression spring is determined by the brush grounding pressure requirement.
Compared with the prior art, the invention has the following beneficial effects: the device provided by the invention can be used for realizing that the grounding pressure of the brush always keeps a proper value, so that the self-adaptive adjustment after the brush is worn is realized, and the cleaning efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the self-adaptive sweeping control device of the invention;
fig. 2 is a schematic view of the structure of the broom of the present invention.
Reference numerals: 1. a sweeping disc; 2. a disc sweeping frame; 3. a cylinder; 4. an air path pipeline; 5. an electromagnetic valve; 6. a controller; 7. a proximity switch; 8. sensing a pin shaft; 9. a compression spring; 10. sweeping; 11. and a guide plate.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
In the description of the present patent, it should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that elements are listed and may include other elements not expressly listed.
In the description of the present patent, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of describing the present patent and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present patent. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present patent, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in the present patent will be understood by those skilled in the art in specific cases.
The invention relates to a self-adaptive adjustment control device for sweeping brushes of a sweeper, which is shown in fig. 1 and 2, and comprises a sweeping disc 1 hinged to one end of a sweeping disc frame 2, wherein a plurality of groups of sweeping brushes 10 are arranged below the sweeping disc 1, the top end of at least one group of sweeping brushes 10 is provided with an induction pin shaft 8, the top end of the induction pin shaft 8 penetrates through the sweeping disc 1 and corresponds to a proximity switch 7 arranged above, the output end of the proximity switch 7 is connected with a controller 6, a cylinder 3 capable of driving the sweeping disc frame 2 to lift is also arranged on the sweeping disc frame 2, an electromagnetic valve 5 is arranged in a gas path between a gas path system of an automobile chassis and the cylinder 3, and the output end of the controller 6 is connected with the control end of the electromagnetic valve 5 to control the on-off of the gas path;
when the sweeping brush 10 works normally, the sensing pin shafts 8 move up and down along with the sweeping brush 10 in each sweeping disc rotation period so as to trigger the proximity switch 7 to output signals to the controller, when the sweeping brush 10 deflects up and down to cause the change of the grounding pressure, the sensing pin shafts 8 deflect up and down along with the sweeping brush 10 to cause the change of the proximity switch signals received by the controller 6 in the fixed rotation period, the controller 6 controls the electromagnetic valve 5 to be communicated with the air passage of the air cylinder 3 to enable the electromagnetic valve to stretch and retract according to the signal change, the air cylinder 3 stretches and stretches to enable the sweeping disc 1 to lift along with the sweeping disc frame 2, and then the self-adaptive adjustment of the grounding pressure of the sweeping brush 10 is realized.
Examples
The self-adaptive adjustment control device for the sweeper brush in the embodiment is shown in fig. 1 and 2, and comprises a sweeping disc 1, a sweeping disc frame 2, a sweeping brush 10, a compression spring 9, a sensing pin shaft 8, a guide plate 11, a cylinder 3, an electromagnetic valve 5, a controller 6 and a proximity switch 7.
The following details the components:
one end of the sweeping disc frame 2 is hinged with the sweeping disc 1, and the other end is connected with a frame of the sweeper, and the sweeping disc frame is used for lifting the sweeping disc 1.
The sweeping disc 1 is a main working part of a sweeping vehicle and is also an automatic adjusting object of an adjusting control device, a plurality of groups of sweeping brushes 10 are arranged below the sweeping disc 1, and a hydraulic motor is arranged above the sweeping disc 1 and provides power for the sweeping disc rotation.
At least one group of the plurality of groups of the brushes needs to be improved, the specific structure of the brush 10 in the embodiment is shown in fig. 2, the top end of the brush 10 is packaged in the guide plate 11, the compression spring 9 is placed in a gap between the top end of the brush 10 and the guide plate 11, the top end of the compression spring 9 is fixedly connected with the induction pin shaft 8, the induction pin shaft 8 penetrates through the guide plate 11 to extend outwards, the compression spring 9 and the induction pin shaft 8 can move along with the up-and-down movement of the brush 10, and the compression amount and the compression force of the compression spring are designed according to the grounding pressure of the brush.
Preferably, a groove is formed in the top end of the brush 10, the compression spring 9 is placed in the groove, and when the induction pin shaft 8 and the compression spring 9 move up and down, the compression spring 9 is limited in the groove, so that the compression spring can be prevented from deflecting left and right in the compression process.
The induction pin shaft 8 passes through the guide plate 11 and is opposite to the proximity switch 7 above the sweeping disc 1, the proximity switch 7 can detect the distance between the induction pin shaft and the induction pin shaft, and when the induction pin shaft 8 is positioned at or exceeds the effective induction distance, the proximity switch 7 can be triggered to output different signals.
The controller 6 is mounted on the frame, and is used for receiving the induction signal of the proximity switch 7 and sending out a command to enable the electromagnetic valve 5 to act correspondingly.
The electromagnetic valve 5 is installed on the frame, and in this embodiment, a three-position five-way electromagnetic valve is selected, which has the function of generating corresponding actions after receiving the instruction of the controller 6, so that the air passage pipeline 4 between the air passage system of the chassis and the air cylinder of the automobile is connected or disconnected.
The cylinder 3 is fixed in the frame, and the air inlet of cylinder 3 passes through gas circuit pipeline 4 intercommunication solenoid valve 5, and the output shaft fixed connection of cylinder 3 sweeps a set frame 2, and its effect is that after solenoid valve control gas circuit switch-on, produces the action of extension or shortening, adjusts and sweeps the brush earth pressure, and when the cylinder extension, then earth pressure increases, and when the cylinder shrink, earth pressure reduces.
The working process of the self-adaptive sweeping and adjusting control device comprises the following steps:
before working, the position of the proximity switch is adjusted according to the cleaning requirement. The grounding pressure of the sweeping brush needs to be adjusted according to the cleaning requirement during preparation, and the specific adjustment process is that firstly, the controller 6 controls the air cylinder to extend to drive the sweeping disc 1 to be in a forward tilting state (the sweeping brush in the range of 180 DEG in front of the sweeping disc is grounded) through the electromagnetic valve 5, when the sweeping disc 1 descends, the sweeping brush 10 moves upwards due to the grounding pressure, the sweeping brush 10 moves upwards along the guide plate 11 along with the sensing pin shaft 8 and the compression spring 9 until the proximity switch 7 detects the sensing pin shaft 8, the controller 6 receives a signal of the proximity switch 7 to send an instruction to the electromagnetic valve 5, the electromagnetic valve 5 acts to cut off an air path of the air cylinder 3, the air cylinder 3 keeps the existing state and does not act any more, and the grounding pressure of the sweeping brush reaches the set range.
When the device works on a road surface, the sweeping disc 1 drives the sweeping brush 10 to rotate at a constant speed, and the proximity switch 7 collects signals of the sensing pin shaft 8 once every fixed period time (namely the rotation period of the sweeping disc) and feeds the signals back to the controller 6. If the sweeping brush 10 is worn down along the guide plate 11 with the compression spring 9 and the sensing pin shaft 8 under the action of gravity until the sensing pin shaft 8 is not in the effective sensing range of the proximity switch 7, the proximity switch 7 cannot collect signals within the fixed period time, the controller 6 cannot receive the signals from the sensing pin shaft 8, the controller 6 sends instructions to the electromagnetic valve 5, the electromagnetic valve acts to switch on the air path of the air cylinder 3, and then the air cylinder 3 stretches to drive the sweeping disc 1 to descend along with the sweeping disc frame 2, so that the grounding pressure of the sweeping brush 10 reaches the set range again, and self-adaptive adjustment after the sweeping brush wear is realized.
The self-adaptive adjustment control device for the sweeper brush provided by the invention realizes that the grounding pressure of the sweeper brush always keeps a proper value, achieves self-adaptive adjustment after the sweeper brush is worn, and improves the sweeping efficiency.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (4)
1. The self-adaptive adjustment control device for the sweeping brushes of the sweeper comprises a sweeping disc hinged to one end of a sweeping disc frame, a plurality of groups of sweeping brushes are arranged below the sweeping disc, and the self-adaptive adjustment control device is characterized in that the top ends of at least one group of sweeping brushes are provided with induction pin shafts, the top ends of the induction pin shafts penetrate through the sweeping disc and correspond to a proximity switch arranged above the sweeping disc, the output end of the proximity switch is connected with a controller, a cylinder capable of driving the sweeping disc frame to lift is further arranged on the sweeping disc frame, an electromagnetic valve is arranged in a gas path between a gas path system of an automobile chassis and the cylinder, and the control end of the electromagnetic valve is connected with the control end of the electromagnetic valve so as to control the on-off of the gas path;
when the sweeping machine works normally, the sensing pin shaft moves up and down along with the sweeping machine in each sweeping machine rotating period to trigger the proximity switch to output signals to the controller, when the sweeping machine shifts up and down to cause the change of the grounding pressure, the sensing pin shaft shifts up and down along with the sweeping machine to cause the change of the proximity switch signals received by the controller in the period, the controller controls the electromagnetic valve to be communicated with the air passage of the air cylinder to enable the air passage to stretch and retract according to the signal change, the air cylinder stretches and stretches to enable the sweeping machine to lift along with the sweeping machine frame, and then self-adaptive adjustment of the sweeping grounding pressure is realized;
the top end of the sweeping brush is encapsulated in the guide plate, and the sensing pin shaft penetrates through the guide plate to extend outwards;
the electromagnetic valve is a three-position five-way electromagnetic valve.
2. The self-adaptive adjustment control device for a sweeper brush of claim 1, wherein a compression spring is arranged in a gap between the top end of the sweeper brush and the guide plate, and the top end of the compression spring is fixedly connected with the induction pin shaft.
3. The self-adaptive adjustment control device for a sweeper brush of claim 2, wherein a groove is formed in the top end of the sweeper brush, and a compression spring is placed in the groove.
4. A self-adaptive adjustment control device for a sweeper brush as defined in claim 3, wherein the compression of the compression spring is determined by the brush ground pressure requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810486435.XA CN108442289B (en) | 2018-05-21 | 2018-05-21 | Self-adaptive adjustment control device for sweeping brush of sweeper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810486435.XA CN108442289B (en) | 2018-05-21 | 2018-05-21 | Self-adaptive adjustment control device for sweeping brush of sweeper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108442289A CN108442289A (en) | 2018-08-24 |
| CN108442289B true CN108442289B (en) | 2024-01-09 |
Family
ID=63204193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810486435.XA Active CN108442289B (en) | 2018-05-21 | 2018-05-21 | Self-adaptive adjustment control device for sweeping brush of sweeper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108442289B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111025948A (en) * | 2019-12-31 | 2020-04-17 | 福建龙马环卫装备股份有限公司 | Intelligent swing control method and system for sweeping disc device of sweeping machine |
| CN114182673A (en) * | 2021-12-20 | 2022-03-15 | 徐州徐工环境技术有限公司 | Front sweeping device of unmanned road sweeper and control method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2748503Y (en) * | 2004-04-21 | 2005-12-28 | 三一重工股份有限公司北京研究院 | Automatic positioning device for sweeping brush of sweeping car |
| JP2006009447A (en) * | 2004-06-28 | 2006-01-12 | Howa Mach Ltd | Elevator device for cleaning vehicle |
| CN101967808A (en) * | 2009-12-29 | 2011-02-09 | 张国军 | Road sweeper |
| CN104594260A (en) * | 2015-01-24 | 2015-05-06 | 张元晖 | Cleaning disk with elastic besoms |
| CN105636493A (en) * | 2013-10-14 | 2016-06-01 | 阿尔弗雷德·凯驰两合公司 | Cleaning tool for a floor cleaning device |
| CN107100122A (en) * | 2016-02-23 | 2017-08-29 | 陕西汽车集团有限责任公司 | Sweep the floating type self-adaptive regulating of disk terrain clearance and its adjusting method |
| CN208379524U (en) * | 2018-05-21 | 2019-01-15 | 徐州徐工环境技术有限公司 | A kind of sweeper brush self_adaptive adjusting device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7120961B2 (en) * | 2002-09-06 | 2006-10-17 | Tennant Company | Brush wear adjustment system and method |
-
2018
- 2018-05-21 CN CN201810486435.XA patent/CN108442289B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2748503Y (en) * | 2004-04-21 | 2005-12-28 | 三一重工股份有限公司北京研究院 | Automatic positioning device for sweeping brush of sweeping car |
| JP2006009447A (en) * | 2004-06-28 | 2006-01-12 | Howa Mach Ltd | Elevator device for cleaning vehicle |
| CN101967808A (en) * | 2009-12-29 | 2011-02-09 | 张国军 | Road sweeper |
| CN105636493A (en) * | 2013-10-14 | 2016-06-01 | 阿尔弗雷德·凯驰两合公司 | Cleaning tool for a floor cleaning device |
| CN104594260A (en) * | 2015-01-24 | 2015-05-06 | 张元晖 | Cleaning disk with elastic besoms |
| CN107100122A (en) * | 2016-02-23 | 2017-08-29 | 陕西汽车集团有限责任公司 | Sweep the floating type self-adaptive regulating of disk terrain clearance and its adjusting method |
| CN208379524U (en) * | 2018-05-21 | 2019-01-15 | 徐州徐工环境技术有限公司 | A kind of sweeper brush self_adaptive adjusting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108442289A (en) | 2018-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108442289B (en) | Self-adaptive adjustment control device for sweeping brush of sweeper | |
| CN201162193Y (en) | Hydraulic controlled sweeping disc self-adaptive control apparatus | |
| CN110528839B (en) | Floating robot | |
| KR100976763B1 (en) | A tester for height adjustment device of car seat | |
| CN107100122A (en) | Sweep the floating type self-adaptive regulating of disk terrain clearance and its adjusting method | |
| CN106183380B (en) | A kind of solar battery sheet scraper for silk-screen printing device | |
| CN103615025A (en) | Loader and control method for loading operation of loader | |
| CN102444098A (en) | Sweeping equipment, sweeper and method for adjusting position of sweeping disc | |
| CN112460082A (en) | Electric control hydraulic system and automatic adjusting method thereof | |
| CN208379524U (en) | A kind of sweeper brush self_adaptive adjusting device | |
| KR200442471Y1 (en) | Screener responding to water level | |
| CN205501905U (en) | Road sweeper brush pressure adjustment assembly that contacts to earth | |
| CN107296567A (en) | A kind of intelligent sweeping with bench function | |
| CN208649955U (en) | A kind of sweeper brush self_adaptive adjusting device | |
| CN205179664U (en) | A linkage for connecting paddy field beating machine | |
| CN111501888A (en) | Ripper and land leveler | |
| CN214783544U (en) | Sweeping machine rolls sweeping device and adopts its sweeping machine | |
| KR101946663B1 (en) | Rise and Falling Automatic Control Apparatus for Pickup Part of Baler | |
| CN214992943U (en) | Leveler for road construction | |
| JP4596956B2 (en) | Brush pressure adjustment device for floor cleaning machine | |
| CN112879395B (en) | Sweeping disc lifting control method and system for sweeping vehicle | |
| CN106079862B (en) | Solar battery sheet scraper for silk-screen printing automatic adjusting method | |
| CN105064427B (en) | A kind of offshore wind turbine and its levelling device | |
| EP2453060B1 (en) | Oscillating suspension means for a brush of a sweeping machine | |
| CN219671190U (en) | Sweeping vehicle and sweeping disc self-adaptive control system thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |