CN110080146A - A kind of multifunction road sweeper - Google Patents

A kind of multifunction road sweeper Download PDF

Info

Publication number
CN110080146A
CN110080146A CN201910432504.3A CN201910432504A CN110080146A CN 110080146 A CN110080146 A CN 110080146A CN 201910432504 A CN201910432504 A CN 201910432504A CN 110080146 A CN110080146 A CN 110080146A
Authority
CN
China
Prior art keywords
round brush
floor
water tank
sweeping
triangle
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
CN201910432504.3A
Other languages
Chinese (zh)
Inventor
张珉
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201911010946.5A priority Critical patent/CN110747790A/en
Priority to CN201910432504.3A priority patent/CN110080146A/en
Publication of CN110080146A publication Critical patent/CN110080146A/en
Pending legal-status Critical Current

Links

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
    • E01H1/08Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
    • E01H1/0827Dislodging 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
    • E01H1/0854Apparatus in which the mechanically dislodged dirt is partially sucked-off, e.g. dislodging- sweeping apparatus with dirt collector in brush housing or dirt container

Abstract

A kind of multifunction road sweeper, it is a kind of modified sweeper, it is characterized in that: the check-valves of the water level depth in a control triangle water tank is installed in appropriate position under small water tank, to have the function that the moisture content for effectively controlling triangle water level in water storage tank height with being replenished in time in triangle water tank;Front installs a sealed wind cabinet and in sealed wind cabinet under triangle water tank, arrangement installing is multiple from top to bottom can be convenient toward disjunctor under adjust counter-rotating transmitting rubbish round brush and beneath counter-rotating first round brush of sweeping the floor of displacement and match, with have the function that effectively solution first sweep the floor round brush using wear interval it is wide after facilitate adjustment;Road surface height can be followed and sweeping the floor for automatic lifting second is swept the floor round brush by installing one at the rear that first sweeps the floor round brush, to have the function that improve cleannes effect of sweeping the floor;A large amount of leaves in road surface are disposably readily cleaned up raising working efficiency in order to reach, round brush and first of sweeping the floor with laterally installing pressure forward rotated is swept the floor the tangent cooperation of round brush in the front that first sweeps the floor round brush.

Description

A kind of multifunction road sweeper
Technical field:
The present invention relates to a kind of pavement cleaning vehicle more particularly to a kind of multifunction road sweepers.
Background technique:
Currently, one is primary bright utility model is special for the mat woven of fine bamboo strips there are two types of the pavement cleaning vehicles that we are produced and used ourselves Sharp " a kind of cleaning vehicle ", disadvantage first is that: when the dust filtering round brush rotation, water will be backward in the dust filtering water tank It overflows, seriously affects dust filtering effect;Its disadvantage second is that: when the described dust filtering round brush rotation, spray is easy to be siphoned away by suction ventilator, needs Manually repeatedly to add water that could work normally, equally seriously affect dust filtering effect;Two kinds of the mat woven of fine bamboo strips it be primary bright " Multi-functional road Face sweeper ", disadvantage first is that: dust filter screen be easy blocking, seriously affect prolonged continuous work;Its disadvantage second is that, After round brush fraze of sweeping the floor becomes smaller, the counter-rotating sweeps the floor to be spaced between round brush and broaden, and the rubbish swept up holds It easily gets rid of backward, seriously affects effect of sweeping the floor (that is, there is the phenomenon that rubbish falls backward, the practicability is poor);Its disadvantage third is that: work as road When face quantity of refuse is big (that is, autumn kerbside trees fall Ye Duoshi), the forward rotation pressure ground roller cannot be quickly big amount Leaf convey inside in time swept it is clean, that is, cannot disposably clean up, seriously affect working efficiency.
Summary of the invention:
In order to solve the problems, such as several big, one kind provided by the invention present in above-mentioned two produced and used kind sweeper Multifunction road sweeper, it is in a kind of primary bright utility model " cleaning vehicle " and a kind of primary bright " multifunction road (note: utility model patent number: ZL201020258256.X made of being improved on the basis of sweeper ";Patent of invention number: ZL200810174393.2), it includes car body, installs side of sweeping the floor in the front two sides of vehicle driver's cabin and brushes;It is filled on car body rear If a big water tank, and power source battery is installed under big water tank;One piece of triangle is installed at big water tank rear There is triangle water tank described in shape water tank interconnected dirty gas entrance and net gas to export;One is installed in the outlet of net gas A suction ventilator;The appropriate position in triangle water tank, installing is one or more to cross leaching by what motor drive rotated The dedicated lousiness formula circle round brush of dirt, technological improvement are characterized in: driving or when working motion in order to prevent, in triangle water tank Water overflow backward, at the rear of lousiness formula circle round brush, install plate washer or lousiness formula bar brush;In order to more preferably filter dust, Muti-piece or one piece of dust filter screen are installed between lousiness formula circle round brush and the outlet of net gas;It in triangle water tank in order to prevent Water blots influence filtering dust effect by suction ventilator, and a small water tank and big water tank phase are installed above triangle water tank The check-valves of the water level depth in a control triangle water tank is installed in connection, and the appropriate position under small water tank, To have the function that the moisture content for effectively controlling triangle water level in water storage tank height with being replenished in time in triangle water tank; (note: institute's check-valves belongs to commercially available off-the-shelf, not set forth in detail herein, it is possible to understand that);In triangle water storage Bottom inferoanterior, the installing one formula wind cabinet of inclined seal backward by electric pull rod force hydraulic cylinder power drive oscilaltion, with Round brush lifting of sweeping the floor when having the function that convenient working and knocking off;A garbage outlet is opened up above sealed wind cabinet with after The dustbin aligned fit of side, to have the function that accurately to collect rubbish;In sealed wind cabinet, arrangement installing is more from top to bottom It is a to can be convenient the counter-rotating transmitting rubbish round brush for adjusting displacement down and beneath counter-rotating first is swept the floor round brush matching Close, with reach effectively solve the mat woven of fine bamboo strips sweep ground round brush using abrasion interval it is wide after, facilitate the effect of adjustment;Ground round brush is swept in the mat woven of fine bamboo strips Rear, installing one can follow road surface height and the mat woven of fine bamboo strips two of sweeping the floor of automatic lifting is swept the floor round brush, be swept the floor clearly with reaching raising The effect of cleanliness effect;In order to facilitate the control mat woven of fine bamboo strips two to sweep the floor the patch ground elasticity of round brush, the mat woven of fine bamboo strips two sweep the floor round brush two sides it is living The top appropriate position of function rocker arm, each one adjusting screw of installing and function rocker arm living head on cooperation;It is easy in order to reach A large amount of leaves in road surface are disposably cleaned up raising working efficiency, the mat woven of fine bamboo strips sweep ground round brush front, laterally install Round brush and first of sweeping the floor to one pressure forward rotated is swept the floor the tangent cooperation of round brush;Leaf or light refuse are inhaled into order to prevent In triangle water tank, one piece of rubbish filtering net is installed at the air duct below dirty gas entrance;In order to facilitate on cleaning dustbin The dust accumulation of side, the valve for facilitating opening and closing is installed at rear on dustbin;Note: the counter-rotating transmitting rubbish rolling Brush, the mat woven of fine bamboo strips sweep ground round brush, the mat woven of fine bamboo strips two and sweep the floor that with the pressure that forward rotates round brush of sweeping the floor uses belt or chain to be connected with each other to round brush, And it is rotated and is done work by motor drive;Add water for convenience, installs one in the appropriate position of big water tank and facilitate connection The active joint of running water pipe;In order to facilitate discharge triangle water storage Xiang Zhong sewage water, one is installed under triangle water tank Sewage discharge valve.
Technical solution:
According to above-mentioned purpose, a kind of multifunction road sweeper provided by the invention, it includes car body, before vehicle driver's cabin Install side brush of sweeping the floor in square two sides;A big water tank is installed on car body rear, and installs kinetic force under big water tank Source battery;One piece of triangle water tank is installed in top behind big water tank, and the triangle water tank, which has, mutually to be interconnected Logical dirty gas entrance and net gas export;A suction ventilator is installed in the outlet of net gas;The appropriate position in triangle water tank, The one or more dedicated lousiness formula circle round brush of filtering dust rotated by motor drive of installing, it is characterized in that: in order to anti- Only driving or when working motion, the water in triangle water tank overflows backward, at the rear of lousiness formula circle round brush, installs plate washer Or lousiness formula bar brush;In order to more preferably filter dust, muti-piece or one block of ash are installed between lousiness formula circle round brush and the outlet of net gas Dirt filter screen;The water in triangle water tank blots influence filtering dust effect by suction ventilator in order to prevent, in triangle water storage One small water tank of installing is connected with big water tank above case, and the appropriate position under small water tank, installs a control The check-valves of water level depth in triangle water tank processed, with reach effective control triangle water level in water storage tank height with and When supplement triangle water tank in moisture content effect;(note: institute's check-valves belongs to commercially available off-the-shelf, does not make herein It set forth in detail, it is possible to understand that);The front under triangle water tank, installing one passes through electronic tie rod force hydraulic cylinder power It drives and the sealed wind cabinet of oscilaltion, round brush lifting of sweeping the floor when having the function that convenient working and knock off;It is sealing A garbage outlet is opened up above formula wind cabinet be aligned with the dustbin at rear and match, to have the function that accurately to collect rubbish; In sealed wind cabinet, multiple counter-rotating transmitting rubbish that can be convenient disjunctor and adjust displacement down are installed in arrangement from top to bottom Round brush and beneath counter-rotating first round brush of sweeping the floor match, and effectively solve the mat woven of fine bamboo strips and sweep ground round brush to use abrasion interval to reach After wide, facilitate the effect of adjustment;The rear of ground round brush is swept in the mat woven of fine bamboo strips, installing one can follow road surface just automatic lifting The mat woven of fine bamboo strips two sweep the floor round brush, to have the function that improve cleannes effect of sweeping the floor;In order to facilitate the control mat woven of fine bamboo strips two to sweep the floor the patch of round brush Ground elasticity sweeps the floor the top appropriate position of the two sides function rocker arm living of round brush in the mat woven of fine bamboo strips two, respectively installs an adjusting screw and work Function rocker arm heads on cooperation;Work effect is improved in order to reach readily disposably to clean up a large amount of leaves in road surface Rate sweeps the front of ground round brush in the mat woven of fine bamboo strips, sweep the floor with laterally installing pressure forward rotated round brush and the first round brush of sweeping the floor it is tangent Cooperation, with have the function that quickly to be hooked into a large amount of road surface leaves swept it is clean;Leaf or light refuse in order to prevent It is inhaled into triangle water tank, one piece of rubbish filtering net is installed in the air duct appropriate position below dirty gas entrance;For side Just the dust accumulation above dustbin is cleared up, the valve for facilitating opening and closing is installed at rear on dustbin;Note: the reverse rotation Turn transmitting rubbish round brush, the mat woven of fine bamboo strips sweep ground round brush, the mat woven of fine bamboo strips two sweep the floor round brush with the pressure that forward rotates round brush of sweeping the floor use belt or Chain is connected with each other, and is rotated and done work by motor drive;Add water for convenience, is installed in the appropriate position of big water tank One facilitates the active joint of connection running water pipe;In order to facilitate discharge triangle water storage Xiang Zhong sewage water, in triangle water tank One sewage discharge valve of beneath installing.
The utility model has the advantages that
A kind of multifunction road sweeper provided by the invention, beneficial effect have five: first is that, water will not in dust filtering water tank It overflows backward, dust filtering effect significantly improves;Second is that after the water in triangle water tank siphons away reduction by suction ventilator, it can be automatic Supplement (be not required to artificial supplementation, can saving of labor, time saving), will not influence dust filtering effect;Third is that filtering the lousiness formula circle rolling of dust Brush never blocks, can prolonged continuous work;Fourth is that can be carried out in time after round brush fraze of sweeping the floor becomes smaller Adjustment so that counter-rotating is swept the floor between round brush interval is suitable, the rubbish swept up will not be got rid of backward (that is, will not occur rubbish again The phenomenon that rubbish falls backward, cleanliness of sweeping the floor significantly improve, practical good);Fifth is that be not afraid of pavement garbage amount it is big when (that is, not being afraid of the autumn It is more that its kerbside trees falls leaf), can be disposably that a large amount of refuse sweepings on road surface are clean, working efficiency is substantially better than all same Class sweeper.
Detailed description of the invention:
A kind of multifunction road sweeper provided by the invention is described in further detail with reference to the accompanying drawing;Attached drawing is A kind of multifunction road sweeper structural schematic diagram provided by the invention;
In attached drawing, 1, car body;2, driver's cabin;3, sweep the floor side brush;4, big water tank;5, battery;6, triangle water tank; 7, dirty gas entrance;8, net gas outlet;9, suction ventilator;10, motor;11, lousiness formula circle round brush;12, lousiness formula bar brush;13, Dust filter screen;14, small water tank;15, check-valves;16, electronic tie rod force hydraulic cylinder;17, sealed wind cabinet;18, rubbish goes out Mouthful;19, rubbish bucket is drawn;20, rubbish round brush is transmitted in counter-rotating;21, it first sweeps the floor round brush;22, the mat woven of fine bamboo strips two is swept the floor round brush;23, function living Rocker arm;24, adjusting screw;25, pressure round brush of sweeping the floor;26, air duct, 27, rubbish filtering net;28, valve;29, motor;30, Active joint;31, sewage discharge valve.
Specific embodiment:
(as shown in the picture), a kind of multifunction road sweeper provided by the invention, it includes car body (1), in vehicle driver's cabin (2) side brush (3) of sweeping the floor is installed in front two sides;One big water tank (4) is installed on car body rear, and in big water tank (4) power source battery (5) are installed under;In big water tank (4), one piece of triangle water tank (6), institute are installed in top below The triangle water tank (6) stated has interconnected dirty gas entrance (7) and net gas outlet (8);The installing in net gas outlet (8) One suction ventilator (9);The appropriate position in triangle water tank (6), installing is one or more to be driven by motor (10) The dedicated lousiness formula circle round brush (11) of the filtering dust of rotation, it is characterized in that: driving or when working motion in order to prevent, triangle Water in water tank (6) overflows backward, at the rear of lousiness formula circle round brush (11), installs plate washer or lousiness formula bar brush (12); In order to more preferably filter dust, muti-piece is installed between lousiness formula circle round brush (11) and net gas outlet (8) or one block of dust filters Net (13);The water in triangle water tank (6) blots influence filtering dust effect by suction ventilator (9) in order to prevent, in triangle It installs one small water tank (14) above water tank (6) to be connected with big water tank (6), and appropriate under small water tank (14) At position, the check-valves (15) of the water level depth in control triangle water tank (6) is installed, to reach effective control The effect of height of water level and the moisture content being replenished in time in triangle water tank (6) in triangle water tank (6);(note: described to stop It returns valve and belongs to commercially available off-the-shelf, not set forth in detail herein, it is possible to understand that);Before triangle water tank (6) is beneath Side installs a sealed wind cabinet (17) by electronic tie rod force hydraulic cylinder (16) power drive oscilaltion, to reach Convenient working and the effect that round brush of sweeping the floor is gone up and down when knocking off;A garbage outlet (18) is opened up above sealed wind cabinet (17) It is aligned and matches with the dustbin (19) at rear, to have the function that accurately to collect rubbish;In sealed wind cabinet (17), from upper To lower arrangement installing it is multiple can be convenient disjunctor adjust down counter-rotating transmitting rubbish round brush (20) of displacement with it is beneath inverse It is matched to the round brush (21) of sweeping the floor of rotation first, effectively solves the mat woven of fine bamboo strips to reach to sweep ground round brush (21) wide using abrasion interval Afterwards, facilitate the effect of adjustment;The rear of ground round brush (21) is swept in the mat woven of fine bamboo strips, installing one can follow road surface just automatic lifting The mat woven of fine bamboo strips two sweep the floor round brush (22), swept the floor cleannes effect with having the function that improve;In order to facilitate the control mat woven of fine bamboo strips two to sweep the floor round brush (22) patch ground elasticity is swept the floor the top appropriate position of two sides function rocker arm (23) living of round brush (22) in the mat woven of fine bamboo strips two, each to install One adjusting screw (24) and function rocker arm (23) living head on cooperation;In order to reach readily a large amount of leaves in road surface Raising working efficiency disposably is cleaned up, the front of ground round brush (21) is swept in the mat woven of fine bamboo strips, laterally installs a pressure forward rotated Ground sweep the floor round brush (25) sweep the floor round brush (21) tangent cooperation with first, with reach can quickly a large amount of road surface leaves be hooked by Sweep clean effect;Leaf or light refuse are inhaled into triangle water tank (6) in order to prevent, below dirty gas entrance (7) Air duct (26) appropriate position install one piece of rubbish filtering net (27);In order to facilitate cleaning dustbin (19) above dust accumulation, In dustbin (19), the valve (28) for facilitating opening and closing is installed at rear above;Note: rubbish round brush is transmitted in the counter-rotating (20), the mat woven of fine bamboo strips sweeps ground round brush (21), the mat woven of fine bamboo strips two is swept the floor, and round brush (22) with the pressure that forward rotates round brush of sweeping the floor (25) uses belt Or chain is connected with each other, and passes through motor (29) driving rotation acting;Add water for convenience, in the appropriate of big water tank (4) The active joint (30) for facilitating connection running water pipe is installed at position;In order to facilitate discharge triangle water tank (6) Zhong sewage Water installs a sewage discharge valve (31) under triangle water tank (6).
Application method:
(as shown in the picture) is then infused before use, tap water water-supply-pipe first connected active joint (30) Water waits the big water tank (4), triangle water tank (7) and the water in small water tank (14) all to fill;When knocking off When, it opens the sewage discharge valve (31) and sewage is bled off.

Claims (1)

1. a kind of multifunction road sweeper, it includes car body (1), installs side of sweeping the floor in the front two sides of vehicle driver's cabin (2) and brushes (3);One big water tank (4) is installed on car body rear, and power source battery is installed under big water tank (4) (5);One piece of triangle water tank (6) is installed at big water tank (4) rear, the triangle water tank (6), which has, mutually to be interconnected Logical dirty gas entrance (7) and net gas outlet (8);A suction ventilator (9) is installed in net gas outlet (8);In triangle water tank (6) appropriate position in, the one or more dedicated lousiness formulas of filtering dust by motor (10) driving rotation of installing are round Round brush (11), it is characterized in that: installing plate washer or lousiness formula bar brush (12) at the rear of lousiness formula circle round brush (11);In lousiness Muti-piece or one piece of dust filter screen (13) are installed between formula circle round brush (11) and net gas outlet (8);In triangle water tank (6) Top installs one small water tank (14) and is connected with big water tank (6), and the appropriate position under small water tank (14), dress If the check-valves (15) of water level depth in control triangle water tank (6);The front under triangle water tank (6), dress If a sealed wind cabinet (17) by electronic tie rod force hydraulic cylinder (16) power drive oscilaltion, and in sealed wind Dustbin (19) aligned fit of a garbage outlet (18) Yu rear is opened up above cabinet (17);In sealed wind cabinet (17), From top to bottom arrangement installing it is multiple can be convenient disjunctor adjust down displacement counter-rotating transmitting rubbish round brush (20) with it is beneath The round brush (21) of sweeping the floor of counter-rotating first match;At the rear that first sweeps the floor round brush (21), installing one can follow road Face height and the second of automatic lifting sweeps the floor round brush (22);Second sweep the floor round brush (22) two sides living function rocker arm (23) top Appropriate position, each one adjusting screw (24) of installing and function rocker arm (23) living head on cooperation;It sweeps the floor round brush (21) first Front, round brush of sweeping the floor (25) is swept the floor round brush (21) tangent cooperation with first with laterally installing pressure forward rotated;In dirty gas Install one piece of rubbish filtering net (27) in air duct (26) appropriate position below entrance (7);In dustbin (19), rear is filled above If one facilitates the dodge gate (28) of opening and closing.
CN201910432504.3A 2019-05-13 2019-05-13 A kind of multifunction road sweeper Pending CN110080146A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201911010946.5A CN110747790A (en) 2019-05-13 2019-05-13 Multifunctional road sweeper
CN201910432504.3A CN110080146A (en) 2019-05-13 2019-05-13 A kind of multifunction road sweeper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910432504.3A CN110080146A (en) 2019-05-13 2019-05-13 A kind of multifunction road sweeper

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201911010946.5A Division CN110747790A (en) 2019-05-13 2019-05-13 Multifunctional road sweeper

Publications (1)

Publication Number Publication Date
CN110080146A true CN110080146A (en) 2019-08-02

Family

ID=67421424

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201911010946.5A Pending CN110747790A (en) 2019-05-13 2019-05-13 Multifunctional road sweeper
CN201910432504.3A Pending CN110080146A (en) 2019-05-13 2019-05-13 A kind of multifunction road sweeper

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN201911010946.5A Pending CN110747790A (en) 2019-05-13 2019-05-13 Multifunctional road sweeper

Country Status (1)

Country Link
CN (2) CN110747790A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112458977A (en) * 2019-09-09 2021-03-09 张珉 Multi-roller brush garbage conveying and bin entering type road surface sweeper

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112458977A (en) * 2019-09-09 2021-03-09 张珉 Multi-roller brush garbage conveying and bin entering type road surface sweeper

Also Published As

Publication number Publication date
CN110747790A (en) 2020-02-04

Similar Documents

Publication Publication Date Title
CN203729224U (en) Multi-functional road sweeper
CN201801840U (en) Pavement snow clearing device
CN110080146A (en) A kind of multifunction road sweeper
CN101225646B (en) Concatenate road sweeper
CN206173863U (en) Multi -functional electric sweeper
CN104895001A (en) Multi-functional street sweeper
CN212052201U (en) Road and bridge construction road surface leveling device
CN209243640U (en) A kind of direct absorbing type pavement cleaning vehicle
CN2670432Y (en) Automatic spraying and garbage collecting mechanism with multiple sweepers and centrifugal transmission belt
CN208501595U (en) A kind of scavenging vehicle leaf grinding device
CN209194421U (en) Sweep disc mechanism in the comprehensive no dead angle of one kind
CN111794162A (en) Multifunctional road sweeper
CN204803816U (en) Improved generation environmental protection and energy saving road sweeper
CN210482157U (en) Multifunctional road sweeper
CN209025024U (en) A kind of environmental protection street sweeper
CN2172308Y (en) Snow clearer in use for streets in city
CN110565567A (en) Sweeping vehicle with sidewalk fallen leaf collecting and dirt absorbing functions
CN203213052U (en) Double-roller road sweeper
CN220468727U (en) Suction type garbage sweeper
CN104343094A (en) Street sweeper capable of automatically separating garbage
CN201372419Y (en) Dust absorption device for sweeping vehicle
CN111074822A (en) Light-heavy separation energy-saving cleaning system
CN205604143U (en) Belt formula cleaning device and have belt formula cleaning device's motor sweeper
CN220468726U (en) Garbage negative pressure absorbing structure of garbage sweeper
CN110485349A (en) A kind of transfer-type sweeper

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