CN109235524A - A kind of hydraulic engineering channel cleanout device - Google Patents

A kind of hydraulic engineering channel cleanout device Download PDF

Info

Publication number
CN109235524A
CN109235524A CN201811268780.2A CN201811268780A CN109235524A CN 109235524 A CN109235524 A CN 109235524A CN 201811268780 A CN201811268780 A CN 201811268780A CN 109235524 A CN109235524 A CN 109235524A
Authority
CN
China
Prior art keywords
cabinet
hydraulic engineering
axis
channel cleanout
engineering channel
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.)
Granted
Application number
CN201811268780.2A
Other languages
Chinese (zh)
Other versions
CN109235524B (en
Inventor
赵树侠
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 CN201811268780.2A priority Critical patent/CN109235524B/en
Publication of CN109235524A publication Critical patent/CN109235524A/en
Application granted granted Critical
Publication of CN109235524B publication Critical patent/CN109235524B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F5/00Dredgers or soil-shifting machines for special purposes
    • E02F5/28Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/18Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/18Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
    • E02F3/181Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels including a conveyor
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/18Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
    • E02F3/188Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with the axis being horizontal and transverse to the direction of travel
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/18Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
    • E02F3/22Component parts
    • E02F3/24Digging wheels; Digging elements of wheels; Drives for wheels
    • E02F3/241Digging wheels; Digging elements of wheels; Drives for wheels digging wheels
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F5/00Dredgers or soil-shifting machines for special purposes
    • E02F5/28Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
    • E02F5/282Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways with rotating cutting or digging tools
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F7/00Equipment for conveying or separating excavated material
    • E02F7/04Loading devices mounted on a dredger or an excavator hopper dredgers, also equipment for unloading the hopper

Abstract

The present invention relates to a kind of hydraulic engineering channel cleanout devices, cabinet including being equipped with running gear, cabinet left end sets cleaning agency, lifting device is set on the right side of cleaning agency, the outlet of lifting device is in the classification processing case of box house, classification processing case includes the lower box and upper box separated by partition, water feed apparatus is set at the top of upper box, upper box sets material-pulling device on the left of bottom surface, the left side of material-pulling device and the left side wall of upper box are fixed, material mouth is set out on the right side of material-pulling device, the position of discharge port is opposite with material-pulling device, discharge port peripheral hardware closing door, the upper end of closing door is hinged by turnover hinge and cabinet, the lower end of closing door sets lock uint, mounting hole is offered in the middle part of partition, sieve is set in mounting hole, agitating device and sludge pump are set in lower box, the outlet of sludge pump is connected with sewage pipe, sewage pipe passes through nowel After body with the inlet communication of tank car.The present invention improves work efficiency, and saves human cost, practical, is worthy to be popularized.

Description

A kind of hydraulic engineering channel cleanout device
Technical field
The invention belongs to water channel dredging technology fields, and in particular to a kind of hydraulic engineering channel cleanout device.
Background technique
Currently, it is domestic much water channel be the channel with concrete surface application, when sediment deposit is not very deep and dredging The channel of surface application cannot be damaged, and it is seldom dedicated for the dredging machinery of these water channels, it often also needs artificial With spade dredging operation, but artificial dredging operation labor intensity is very big, and working efficiency is very low, and time cost and economic cost are huge Greatly.
Summary of the invention
The purpose of the present invention is overcoming above-mentioned problems of the prior art, a kind of hydraulic engineering channel cleanout is provided Device.
The technical scheme is that
A kind of hydraulic engineering channel cleanout device, including cabinet, the lower part of the cabinet is provided with running gear, described The left end of cabinet is provided with for the mud in river to be harrowed pine and is swept into the cleaning agency of cabinet, the right side of the cleaning agency It is provided with for mud to be carried to high-order lifting device, the classification processing case of the outlet of the lifting device in box house Interior, the classification processing case includes the lower box and upper box separated by partition, is provided with water feed apparatus at the top of the upper box, Material-pulling device is provided on the left of the upper box bottom surface, the left side of the material-pulling device and the left side wall of upper box are fixed, institute It states and is provided with discharge port on the right side of material-pulling device, the position of the discharge port is opposite with material-pulling device, is arranged outside the discharge port There is closing door, the upper end of the closing door is hinged by turnover hinge and cabinet, and the lower end of the closing door is provided with sealed dress It sets, mounting hole is offered in the middle part of the partition, sieve is provided in the mounting hole, activation is provided in the lower box and is become silted up The agitating device of mud, the agitating device are connect with the driving device outside classification processing case, are also set up in the lower box Have a sludge pump, the outlet of the sludge pump is connected with sewage pipe, the sewage pipe pass through after lower box with the tank car of clearing mud Inlet communication.
Preferably, on the running gear connect driving device one, the driving device one by wireless transmitter with The connection of hand held controller signal.
Preferably, the cleaning agency includes two struts fixed with the front and back side of cabinet respectively, described two struts Between be equipped with axis one, one end of the axis one passes through the output axis connection of shaft coupling and asynchronous motor, sets on the axis one It is equipped with the cutter for material toggling of breaking ground, the cutter has multiple and is grouped the circumferential direction for being evenly arranged on axis one, is arranged between every two cutter There is installation gap, installation gap is staggeredly arranged between every group of cutter, and the both ends of the axis one are also worn respectively is fixed with baffle.
Preferably, the cutter offers blade far from the side of axis one.
Preferably, the lifting device is chain and pan conveyor.
Preferably, the water feed apparatus includes the water-supply-pipe for wearing the top surface for being fixed on cabinet, and the water-supply-pipe protrudes into case The fixed high-pressure nozzle in one end of body.
Preferably, the material-pulling device includes the hydraulic cylinder fixed with the left side wall of upper box, the push rod of the hydraulic cylinder End is fixed with the plate body for pusher.
Preferably, the lock uint include include the sub-buckle being arranged on cabinet and the female thread that is arranged on closing door.
Preferably, the agitating device includes the axis two of the output axis connection by shaft coupling and driving device, the axis Two circumferential direction is evenly equipped with multiple stirring blades.
Preferably, the driving device is stepper motor, and the lower part of the stepper motor is provided with fixing seat, the fixation Seat is fixedly connected with stepper motor and cabinet respectively.
Compared with prior art, a kind of hydraulic engineering channel cleanout device of the invention, in use, can use hand-held Controller remote control driving running gear walking, and synchronous driving cleaning agency movement, realize the soil of deposition in walking or Person's mud rake pine simultaneously pushes lifting device import, and soil or mud are promoted to a high position and transfers to classification processing by lifting device In upper box inside case, by high-pressure nozzle water spray, by soil, perhaps mud is flushed to lower box rubbish or grass is trapped in sieve Online side, waits timing to clear up, and the soil or mud of lower box are extracted out into after adding water and activating stirring with sludge pump, Enter the tank car for clearing mud through sewage pipe.The present invention use Fully-mechanized operation, improve work efficiency, save manpower at This, it is practical, it is worthy to be popularized.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention;
Fig. 2 is the structural schematic diagram of cleaning agency of the invention.
Specific embodiment
The present invention provides a kind of hydraulic engineering channel cleanout device, below with reference to the structural schematic diagram of Fig. 1 and Fig. 2, The present invention will be described.
As shown in Figure 1, a kind of hydraulic engineering channel cleanout device provided by the invention, including cabinet 1, the cabinet 1 Lower part be provided with running gear 16, the left end of the cabinet 1 is provided with for by the mud rake pine in river and being swept into cabinet 1 Cleaning agency, be provided on the right side of the cleaning agency for mud to be carried to high-order lifting device 2, promotions fills 2 outlet is set in the classification processing case inside cabinet 1, the classification processing case includes the lower box 10 separated by partition and upper Cabinet 9 is provided with water feed apparatus at the top of the upper box 9, is provided with material-pulling device on the left of 9 bottom surface of upper box, described The left side of material-pulling device and the left side wall of upper box 9 are fixed, and discharge port, the discharge port are provided on the right side of the material-pulling device Position it is opposite with material-pulling device, be provided with closing door 7 outside the discharge port, the upper end of the closing door 7 passes through turnover hinge Hinged with cabinet 1, the lower end of the closing door 7 is provided with lock uint, and mounting hole, the peace are offered in the middle part of the partition Dress is provided with sieve 8 in hole, and the agitating device of activated sludge, the agitating device and classification are provided in the lower box 10 Driving device 15 outside treatment box connects, and is additionally provided with sludge pump 13, the outlet of the sludge pump 13 in the lower box 10 It is connected with sewage pipe 12, inlet communication of the sewage pipe 12 after lower box 10 with the tank car for clearing mud.
Further, driving device one is connected on the running gear 16, the driving device one is filled by wireless receiving and dispatching It sets and is connect with hand held controller signal.
Further, the cleaning agency includes two struts 19 fixed with the front and back side of cabinet 1 respectively, described two Axis 1 is equipped between strut 19, one end of the axis 1 passes through the output axis connection of shaft coupling and asynchronous motor, institute State the cutter 20 that material toggling of breaking ground is provided on axis 1, the circumferential direction that the cutter 20 has multiple and grouping to be evenly arranged on axis 1, Installation gap is provided between every two cutter 20, installation gap is staggeredly arranged between every group of cutter 20, and the two of the axis 1 End is also worn respectively is fixed with baffle 18.
Further, the cutter 20 offers blade far from the side of axis 1.
Further, the lifting device 2 is chain and pan conveyor.
Further, the water feed apparatus includes the water-supply-pipe 5 for wearing the top surface for being fixed on cabinet 1, and the water-supply-pipe 5 is stretched Enter the fixed high-pressure nozzle 6 in one end of cabinet 1.
Further, the material-pulling device includes the hydraulic cylinder 3 fixed with the left side wall of upper box 9, the hydraulic cylinder 3 Push rod end is fixed with the plate body 4 for pusher.
Further, the lock uint include include the sub-buckle being arranged on cabinet 1 and the mother that is arranged on closing door 7 Button.
Further, the agitating device includes the axis 2 11 of the output axis connection by shaft coupling Yu driving device 15, The circumferential direction of the axis 2 11 is evenly equipped with multiple stirring blades 14.
Further, the driving device 15 is stepper motor, and the lower part of the stepper motor is provided with fixing seat, described Fixing seat is fixedly connected with stepper motor and cabinet 1 respectively.
Wherein, the lower part of cabinet one is provided with running gear 16, and 16 row of running gear connects driving device one, described Driving device one can be connect by wireless transmitter with hand held controller signal, and hand held controller issues control instruction, i.e., Remote-controlled running gear 16 is walked, and operator can operate far from construction ground, avoids the embarrassment of tripping in mire.
Wherein, sieve is used for the separation of big partial size material, prevents blocking sludger.
Wherein, material-pulling device includes the hydraulic cylinder 3 fixed with the left side wall of upper box 9, and the push rod end of hydraulic cylinder 3 is fixed Plate body 4 can be used the big grain on sieve in the state of thering is the plate body 4 for pusher, the piston push rod of hydraulic cylinder 3 to stretch out forward Diameter material is released through discharge port.
Compared with prior art, a kind of hydraulic engineering channel cleanout device of the invention, in use, can use hand-held Controller remote control driving running gear walking, and synchronous driving cleaning agency movement, realize the soil of deposition in walking or Person's mud rake pine simultaneously pushes lifting device import, and soil or mud are promoted to a high position and transfers to classification processing by lifting device In upper box inside case, by high-pressure nozzle water spray, by soil, perhaps mud is flushed to lower box rubbish or grass is trapped in sieve Online side, waits timing to clear up, and the soil or mud of lower box are extracted out into after adding water and activating stirring with sludge pump, Enter the tank car for clearing mud through sewage pipe.The present invention use Fully-mechanized operation, improve work efficiency, save manpower at This, it is practical, it is worthy to be popularized.
Disclosed above is only preferable specific embodiment of the invention, and still, the embodiment of the present invention is not limited to this, What anyone skilled in the art can be thought variation should all fall into protection scope of the present invention.

Claims (10)

1. a kind of hydraulic engineering channel cleanout device, including cabinet (1), which is characterized in that the lower part of the cabinet (1) is arranged Have running gear (16), the left end of the cabinet (1) is provided with for the mud in river to be harrowed pine and is swept into the clear of cabinet (1) Mechanism is swept, is provided on the right side of the cleaning agency for mud to be carried to high-order lifting device (2), the lifting device (2) in the internal classification processing case of cabinet (1), the classification processing case includes the lower box (10) separated by partition for outlet With upper box (9), upper box (9) top is provided with water feed apparatus, is provided with pusher on the left of upper box (9) bottom surface Device, the left side of the material-pulling device and the left side wall of upper box (9) are fixed, and discharging is provided on the right side of the material-pulling device Mouthful, the position of the discharge port is opposite with material-pulling device, it is provided with closing door (7) outside the discharge port, the closing door (7) Hingedly by turnover hinge and cabinet (1), the lower end of the closing door (7) is provided with lock uint for upper end, in the partition Portion offers mounting hole, is provided in the mounting hole sieve (8), is provided with stirring for activated sludge in the lower box (10) Device is mixed, the agitating device is connect with the driving device (15) outside classification processing case, is also set up in the lower box (10) Have sludge pump (13), the outlet of the sludge pump (13) is connected with sewage pipe (12), and the sewage pipe (12) passes through lower box (10) inlet communication with the tank car for clearing mud afterwards.
2. a kind of hydraulic engineering channel cleanout device according to claim 1, which is characterized in that on the running gear (16) Driving device one is connected, the driving device one is connect by wireless transmitter with hand held controller signal.
3. a kind of hydraulic engineering channel cleanout device according to claim 1, which is characterized in that the cleaning agency includes point Not two struts (19) fixed with the front and back side of cabinet (1) are equipped with axis one (17) between described two struts (19), described One end of axis one (17) passes through the output axis connection of shaft coupling and asynchronous motor, is provided with material toggling of breaking ground on the axis one (17) Cutter (20), the cutter (20) have multiple and grouping to be evenly arranged on the circumferential direction of axis one (17), between every two cutter (20) It is provided with installation gap, installation gap is staggeredly arranged between every group of cutter (20), and the both ends of the axis one (17) are also worn respectively It is fixed with baffle (18).
4. a kind of hydraulic engineering channel cleanout device according to claim 1, which is characterized in that the cutter (20) is far from axis The side of one (17) offers blade.
5. a kind of hydraulic engineering channel cleanout device according to claim 1, which is characterized in that the lifting device (2) is Chain and pan conveyor.
6. a kind of hydraulic engineering channel cleanout device according to claim 1, which is characterized in that the water feed apparatus includes wearing If being fixed on the water-supply-pipe (5) of the top surface of cabinet (1), the water-supply-pipe (5) protrudes into the fixed high-pressure nozzle in one end of cabinet (1) (6)。
7. a kind of hydraulic engineering channel cleanout device according to claim 1, which is characterized in that the material-pulling device include with The fixed hydraulic cylinder (3) of the left side wall of upper box (9), the push rod end of the hydraulic cylinder (3) is fixed with the plate body for pusher (4)。
8. a kind of hydraulic engineering channel cleanout device according to claim 1, which is characterized in that the lock uint includes packet Setting is included in the sub-buckle on cabinet (1) and the female thread being arranged on closing door (7).
9. a kind of hydraulic engineering channel cleanout device according to claim 1, which is characterized in that the agitating device includes logical The axis two (11) of the output axis connection of shaft coupling and driving device (15) is crossed, the circumferential direction of the axis two (11) is evenly equipped with multiple stirrings With blade (14).
10. a kind of hydraulic engineering channel cleanout device according to claim 9, which is characterized in that the driving device (15) It is stepper motor, the lower part of the stepper motor is provided with fixing seat, and the fixing seat is solid with stepper motor and cabinet (1) respectively Fixed connection.
CN201811268780.2A 2018-10-29 2018-10-29 River course sediment removal device for hydraulic engineering Expired - Fee Related CN109235524B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811268780.2A CN109235524B (en) 2018-10-29 2018-10-29 River course sediment removal device for hydraulic engineering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811268780.2A CN109235524B (en) 2018-10-29 2018-10-29 River course sediment removal device for hydraulic engineering

Publications (2)

Publication Number Publication Date
CN109235524A true CN109235524A (en) 2019-01-18
CN109235524B CN109235524B (en) 2021-06-08

Family

ID=65079028

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811268780.2A Expired - Fee Related CN109235524B (en) 2018-10-29 2018-10-29 River course sediment removal device for hydraulic engineering

Country Status (1)

Country Link
CN (1) CN109235524B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109804965A (en) * 2019-01-31 2019-05-28 韩慧桥 A kind of portable cleaning mud device
CN114439064A (en) * 2022-02-26 2022-05-06 安徽禹安建设工程有限公司 Water conservancy environmental protection is with having river course desilting equipment who prevents blockking up function

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09104284A (en) * 1995-10-12 1997-04-22 Hakko Co Ltd Foreign matter sucking work vehicle for gas flow pipe
KR20090127788A (en) * 2008-06-09 2009-12-14 민승기 Washing machine for reservoir or river bottoms
CN107476367A (en) * 2017-08-09 2017-12-15 公臣 A kind of row's silt device for hydraulic engineering
CN206971302U (en) * 2017-06-27 2018-02-06 汪真真 A kind of reservoir dredging device
CN207512813U (en) * 2017-08-16 2018-06-19 王金鹏 A kind of hydraulic engineering blowdown apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09104284A (en) * 1995-10-12 1997-04-22 Hakko Co Ltd Foreign matter sucking work vehicle for gas flow pipe
KR20090127788A (en) * 2008-06-09 2009-12-14 민승기 Washing machine for reservoir or river bottoms
CN206971302U (en) * 2017-06-27 2018-02-06 汪真真 A kind of reservoir dredging device
CN107476367A (en) * 2017-08-09 2017-12-15 公臣 A kind of row's silt device for hydraulic engineering
CN207512813U (en) * 2017-08-16 2018-06-19 王金鹏 A kind of hydraulic engineering blowdown apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109804965A (en) * 2019-01-31 2019-05-28 韩慧桥 A kind of portable cleaning mud device
CN114439064A (en) * 2022-02-26 2022-05-06 安徽禹安建设工程有限公司 Water conservancy environmental protection is with having river course desilting equipment who prevents blockking up function
CN114439064B (en) * 2022-02-26 2023-02-28 安徽禹安建设工程有限公司 Water conservancy environmental protection is with having river course desilting equipment who prevents blockking up function

Also Published As

Publication number Publication date
CN109235524B (en) 2021-06-08

Similar Documents

Publication Publication Date Title
CN207628872U (en) A kind of kitchen garbage cleaning sorting equipment
CN209703590U (en) A kind of Accrete clearing device for water head site environmental protection
CN109235524A (en) A kind of hydraulic engineering channel cleanout device
CN104998813A (en) Automatic shellfish harvesting classifier
CN204499167U (en) The efficient shellfish recovering device of a kind of crawler type
CN109440882A (en) A kind of garbage treatment device
CN110316887A (en) A kind of integral type sewage processing equipment
CN206527094U (en) A kind of energy-conserving and environment-protective oyster shell equipment for quick washing and oyster shell system of processing
CN109965762A (en) A kind of Aerodynamic Heating environmental protection toilet tool, installation method and its application
CN110089217A (en) A kind of prosthetic appliance for acid agricultural arable soil
CN103026837A (en) Screening-free stirring tank body and dedicated soil dressing spray-seeding machine
CN111013793A (en) Soil crusher for agricultural planting
CN110383982A (en) A kind of underground tuber fruit orientation harvester
CN206866423U (en) Shellfish harvesting cleaning shovel
CN211340936U (en) Hydraulic engineering irrigation channel rubbish cleaning device
CN109608007A (en) River dredging sludge treatment equipment
CN208991438U (en) A kind of refuse disposal installation
CN204616394U (en) A kind of root of Herba Houttuyniae takes off native machine
CN110433561A (en) A kind of field irrigation water conservancy filter device for pipes
CN216946534U (en) Filter device for construction water supply and drainage engineering
CN209369013U (en) A kind of hydraulic engineering pipe dredging interface
CN109457751A (en) A kind of strand suction mud descaling machine
CN203086959U (en) Screening-free stirring tank and special hydroseeder
CN109925776A (en) A kind of sewage filter device in hydroelectric generation
CN210946935U (en) Scraper bowl for loader

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
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210608

Termination date: 20211029

CF01 Termination of patent right due to non-payment of annual fee