CN109235395A - A kind of mobile decontamination apparatus of storage station's trash rack - Google Patents

A kind of mobile decontamination apparatus of storage station's trash rack Download PDF

Info

Publication number
CN109235395A
CN109235395A CN201811410223.XA CN201811410223A CN109235395A CN 109235395 A CN109235395 A CN 109235395A CN 201811410223 A CN201811410223 A CN 201811410223A CN 109235395 A CN109235395 A CN 109235395A
Authority
CN
China
Prior art keywords
trash rack
support
power station
storage power
energy storage
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
CN201811410223.XA
Other languages
Chinese (zh)
Inventor
肖仁军
王洪博
陈鑫
夏鑫
孙召辉
刘小明
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.)
State Grid Xinyuan Group Co Ltd
Shandong Taishan Pumped Storage Power Station Co Ltd
State Grid Corp of China SGCC
Original Assignee
State Grid Xinyuan Group Co Ltd
Shandong Taishan Pumped Storage Power Station Co Ltd
State Grid Corp of China SGCC
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 State Grid Xinyuan Group Co Ltd, Shandong Taishan Pumped Storage Power Station Co Ltd, State Grid Corp of China SGCC filed Critical State Grid Xinyuan Group Co Ltd
Priority to CN201811410223.XA priority Critical patent/CN109235395A/en
Publication of CN109235395A publication Critical patent/CN109235395A/en
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/06—Barriers therefor construed for applying processing agents or for collecting pollutants, e.g. absorbent
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/10—Devices for removing the material from the surface

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

本发明提供了一种蓄能电站拦污栅移动除污装置，属于抽水蓄能电站除污技术领域。其技术方案为：一种蓄能电站拦污栅移动除污装置，包括设置在拦污栅进水侧，且能够沿其上下滑动的移动组件，并排设置在移动组件上的若干个清污机构，驱动的移动组件上下运动的牵引机构。本发明的有益效果为：本发明的拦污栅移动除污装置能够有效的清理抽水蓄能电站拦污栅污物，通过沿拦污栅进水侧上下滑动的移动组件，以及并排设置在所述移动组件上的若干个清污机构，不仅可以有效清理拦污栅的污物，而且还可以浸入水底清理拦污栅深水中的污物。

The invention provides a mobile decontamination device for a trash rack of an energy storage power station, which belongs to the technical field of decontamination of a pumped storage power station. The technical scheme is as follows: a mobile decontamination device for a trash rack of an energy storage power station, comprising a moving assembly arranged on the water inlet side of the trash rack and capable of sliding up and down along the moving assembly, and a plurality of cleaning mechanisms arranged side by side on the moving assembly , the traction mechanism that drives the moving components to move up and down. The beneficial effects of the present invention are: the mobile trash rack removal device of the present invention can effectively clean up the trash rack of the pumped-storage power station. The several cleaning mechanisms on the moving assembly can not only effectively clean the dirt of the trash rack, but also can be immersed in the bottom of the water to clean the dirt in the deep water of the trash rack.

Description

A kind of mobile decontamination apparatus of storage station's trash rack
Technical field
The present invention relates to hydroenergy storage station decontamination technical field more particularly to a kind of mobile decontamination of storage station's trash rack Device.
Background technique
In power station of drawing water upstream field, the dirts such as many branches, leaf, refuse bag can be usually floated in reservoir, so Hydroturbine water intake mouth is provided with trash rack, to stop dirt to enter in the hydraulic turbine, in order to avoid cause the damage of head loss and equipment It is bad.Trash rack during use, bears a large amount of sundries accumulation for a long time, not only influences the use of trash rack, can also make At the loss of head, so needing to clear up trash rack.
Existing method for cleaning mainly utilizes mechanical chipping dirt, and trash is mainly used to remove the dirt in pond Object, but human assistance is needed to operate, it is more time-consuming, and the dirt above trash rack cannot be effectively cleared up, some reservoirs are also It will do it manual cleaning, not only power station caused to stop working, but also deep water dirt can also be cleared up not clean.
How to solve above-mentioned technical problem is the project that the present invention faces.
Summary of the invention
The purpose of the present invention is to provide a kind of mobile decontamination apparatus of storage station's trash rack.
The present invention is realized by following measure: a kind of mobile decontamination apparatus of storage station's trash rack, wherein including setting It sets in trash rack influent side, and can be disposed side by side on several on the moving assembly along the moving assembly that it is slided up and down A cleaning dirty mechanism, the traction mechanism for driving the moving assembly to move up and down.
The moving assembly includes the movable plate that the trash rack influent side is arranged in, and is separately positioned on the movable plate two Two groups of locking idler wheels at end, guide plate of the locking idler wheel along the trash rack two sides described in each group move.
The cleaning dirty mechanism includes support, and described support one end is fixedly installed motor, is set on the output shaft of the motor It is equipped with driving gear, driven gear is provided on the support, the driven gear is engaged with the driving gear, described driven It is provided with eccentric shaft on gear, pull rod, described pull rod one end and the eccentric axis connection, the other end are provided on the eccentric shaft It is connected across on sliding bar, the support other end is provided with strip hole, and the sliding bar, the cunning are provided in the strip hole Lever both ends are hingedly provided with support frame A and support frame B simultaneously, and pin is provided on the support, is cut with scissors simultaneously on the pin It connects and is provided with hanger A and hanger B, the one end the hanger A and the pin are hinged, and the other end is connect with support frame as described above A, described The one end hanger B and the pin are hinged, and the other end is connect with support frame as described above B；The sliding bar is equipped with rack take.
The sliding bar both ends are symmetrically arranged with connecting shaft A and connecting shaft B.
Support frame as described above A includes front support piece A and rear support piece A, and described one end front support piece A and the connecting shaft A are cut with scissors It connects, described one end rear support piece A and the connecting shaft B are hinged, and the other end of the front support piece A is with the rear support piece A's Hanging scroll A is provided between the other end.
Support frame as described above B includes front support piece B and rear support piece B, and described one end front support piece B and the connecting shaft A are cut with scissors It connects, described one end rear support piece B and the connecting shaft B are hinged, and the other end of the front support piece B is with the rear support piece B's Hanging scroll B is provided between the other end.
It is provided with pin shaft on the support, the driven gear is provided on the pin shaft.
The traction mechanism includes being arranged at the top of the trash rack, and drive leading for the moving assembly up and down motion Straw line, and the hoist engine that driving end is connect with the power end of the hauling rope.
The invention has the benefit that the mobile decontamination apparatus of trash rack of the invention can effectively clear up water-storage electricity It stands trash rack dirt, by the moving assembly slided up and down along trash rack influent side, and is disposed side by side on the moving assembly On several cleaning dirty mechanisms, not only can effectively clear up the dirt of trash rack, but also water-bed cleaning trash rack can be immersed Dirt in deep water.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the embodiment of the present invention.
Fig. 2 is the structural schematic diagram of the positional relationship of moving assembly, cleaning dirty mechanism in the embodiment of the present invention.
Fig. 3 is the structural schematic diagram of cleaning dirty mechanism in the embodiment of the present invention.
Fig. 4 is the structural schematic diagram of cleaning dirty mechanism in the embodiment of the present invention.
Fig. 5 is the structural schematic diagram of the support of cleaning dirty mechanism in the embodiment of the present invention.
Fig. 6 is the structural schematic diagram of trash rack in the embodiment of the present invention.
Wherein, appended drawing reference are as follows: 1, trash rack；2, moving assembly；3, cleaning dirty mechanism；31, support；32, motor；33, main Moving gear；34, driven gear；341, eccentric shaft；35, pull rod；36, sliding bar；37, support frame A；38, support frame B；39, hanger A；310, hanger B.
Specific embodiment
In order to clarify the technical characteristics of the invention, being illustrated below by specific embodiment to this programme.
Referring to Fig. 1 to Fig. 6, the present invention is: a kind of mobile decontamination apparatus of storage station's trash rack, wherein exist including setting 1 influent side of trash rack, and can remove contamination along the moving assembly 2 that it is slided up and down, several being disposed side by side on moving assembly 2 Mechanism 3, the traction mechanism that the moving assembly 2 of driving moves up and down.
Moving assembly 2 includes the movable plate that 1 influent side of trash rack is arranged in, and is separately positioned on two groups of locks of mobile board ends Tight idler wheel, guide plate of each group of locking idler wheel along 1 two sides of trash rack move.
Cleaning dirty mechanism 3 includes support 31, and 31 one end of support is fixedly installed motor 32, is provided on the output shaft of motor 32 Driving gear 33 is provided with driven gear 34 on support 33, and driven gear 34 is engaged with driving gear 33, is set on driven gear 34 It is equipped with eccentric shaft 341, pull rod 35 is provided on eccentric shaft 341,35 one end of pull rod is connect with eccentric shaft 341, and the other end is connected across On sliding bar 36,31 other end of support is provided with strip hole, and sliding bar 36 is provided in strip hole, and 36 both ends of sliding bar are cut with scissors simultaneously Connect and be provided with support frame A37 and support frame B38, be provided with pin on support 31, be hingedly provided with simultaneously on pin hanger A39 with Hanger B310, the one end hanger A39 is hinged with pin, and the other end is connect with support frame A37, and the one end hanger B310 and pin are hinged, The other end is connect with support frame B38；Sliding bar 36 is equipped with rack take.
36 both ends of sliding bar are symmetrically arranged with connecting shaft A and connecting shaft B.
Support frame A37 includes front support piece A and rear support piece A, and front support one end piece A and connecting shaft A are hinged, rear support piece The one end A and connecting shaft B are hinged, are provided with hanging scroll A between the other end of front support piece A and the other end of rear support piece A.
Support frame B38 includes front support piece B and rear support piece B, and front support one end piece B and connecting shaft A are hinged, rear support piece The one end B and connecting shaft B are hinged, are provided with hanging scroll B between the other end of front support piece B and the other end of rear support piece B.
It is provided with pin shaft on support 33, driven gear 34 is provided on pin shaft.
Traction mechanism includes setting at 1 top of trash rack, and the hauling rope of the up and down motion of moving assembly 2 driven, and Drive the hoist engine of the power end of end and hauling rope connection.
The working principle of the invention: total chain is driven by motor reducer, and the hanger and chain in the present invention are fixed to be connected It connects, therefore hanger can be moved with the movement of chain, and cleaning dirty mechanism is fixedly connected with hanger, therefore cleaning dirty mechanism can be with It follows the movement of this chain and moves.
The working principle of cleaning dirty mechanism, starts motor, and motor rotation drives driving gear rotation, driving gear and driven tooth Wheel engagement, therefore driven gear is also rotating, and because eccentric shaft is arranged on driven gear, pull rod is arranged on eccentric shaft, with The rotation of driven gear, pull rod will drive sliding bar to move up and down in strip hole, and because hingedly setting support on sliding bar Frame A and support frame B, the angle between hinged support frame A and support frame B become with the up and down motion of sliding bar Change, rack take while sliding bar moves down thereon clears up the dirt in deep water.
Technical characteristic of the present invention without description can realize that details are not described herein by or using the prior art, certainly, The above description is not a limitation of the present invention, and the present invention is also not limited to the example above, the ordinary skill of the art The variations, modifications, additions or substitutions that personnel are made within the essential scope of the present invention also should belong to protection model of the invention It encloses.

Claims (8)

1.一种蓄能电站拦污栅移动除污装置，其特征在于，包括设置在拦污栅（1）进水侧，且能够沿其上下滑动的移动组件（2），并排设置在所述移动组件（2）上的若干个清污机构（3），驱动所述的移动组件（2）上下运动的牵引机构。1. A mobile decontamination device for a trash rack of an energy storage power station, characterized in that it includes a moving assembly (2) that is arranged on the water inlet side of the trash rack (1) and can slide up and down along it, and is arranged side by side on the water inlet side of the trash rack (1). Several cleaning mechanisms (3) on the moving assembly (2) drive the traction mechanism of the moving assembly (2) to move up and down. 2.根据权利要求1所述的蓄能电站拦污栅移动除污装置，其特征在于，所述移动组件（2）包括设置在所述拦污栅（1）进水侧的移动板，分别设置在所述移动板两端的两组锁紧滚轮，每一组所述锁紧滚轮沿所述拦污栅（1）两侧的导向板移动。2 . The mobile decontamination device for the trash rack of an energy storage power station according to claim 1 , wherein the moving assembly ( 2 ) comprises a moving plate arranged on the water inlet side of the trash rack ( 1 ), respectively 2 . Two groups of locking rollers are arranged at both ends of the moving plate, and each group of the locking rollers moves along the guide plates on both sides of the trash rack (1). 3.根据权利要求1或2所述的蓄能电站拦污栅移动除污装置，其特征在于，所述清污机构（3）包括支座（31），所述支座（31）一端固定设置有电机（32），所述电机（32）的输出轴上设置有主动齿轮（33），所述支座（33）上设置有从动齿轮（34），所述从动齿轮（34）与所述主动齿轮（33）啮合，所述从动齿轮（34）上设置有偏心轴（341），所述偏心轴（341）上设置有拉杆（35），所述拉杆（35）一端与所述偏心轴（341）连接，另一端跨接在滑动杆（36）上，所述支座（31）另一端设置有长条孔，所述长条孔内设置有所述滑动杆（36），所述滑动杆（36）两端同时铰接设置有支撑架A（37）与支撑架B（38），所述支座（31）上设置有柱销，所述柱销上同时铰接设置有挂架A（39）与挂架B（310），所述挂架A（39）一端与所述柱销铰接，另一端与所述支撑架A（37）连接，所述挂架B（310）一端与所述柱销铰接，另一端与所述支撑架B（38）连接；所述滑动杆（36）上设有清污耙。3. The mobile decontamination device for the trash rack of an energy storage power station according to claim 1 or 2, wherein the cleaning mechanism (3) comprises a support (31), and one end of the support (31) is fixed A motor (32) is provided, an output shaft of the motor (32) is provided with a driving gear (33), a driven gear (34) is provided on the support (33), and the driven gear (34) Meshing with the driving gear (33), the driven gear (34) is provided with an eccentric shaft (341), the eccentric shaft (341) is provided with a pull rod (35), one end of the pull rod (35) is connected to the The eccentric shaft (341) is connected, and the other end is bridged on the sliding rod (36). The other end of the support (31) is provided with a long hole, and the sliding rod (36) is provided in the long hole. ), both ends of the sliding rod (36) are hingedly provided with a support frame A (37) and a support frame B (38), the support (31) is provided with a column pin, and the column pin is hinged at the same time. There are hanger A (39) and hanger B (310), one end of the hanger A (39) is hinged with the pin, and the other end is connected with the support frame A (37), the hanger B ( 310) One end is hinged with the column pin, and the other end is connected with the support frame B (38); the sliding rod (36) is provided with a cleaning rake. 4.根据权利要求1-3任一项所述的蓄能电站拦污栅移动除污装置，其特征在于，所述滑动杆（36）两端对称设置有连接轴A与连接轴B。4 . The mobile decontamination device for the trash rack of an energy storage power station according to any one of claims 1 to 3 , wherein the sliding rod ( 36 ) is provided with a connecting shaft A and a connecting shaft B symmetrically at both ends. 5 . 5.根据权利要求1-4任一项所述的蓄能电站拦污栅移动除污装置，其特征在于，所述支撑架A（37）包括前支撑片A与后支撑片A，所述前支撑片A一端与所述连接轴A铰接，所述后支撑片A 一端与所述连接轴B铰接，所述前支撑片A的另一端与所述后支撑片A的另一端之间设置有挂轴A。5. The mobile decontamination device for the trash rack of an energy storage power station according to any one of claims 1-4, wherein the support frame A (37) comprises a front support sheet A and a rear support sheet A, the support frame A (37) One end of the front support piece A is hinged with the connecting shaft A, one end of the rear support piece A is hinged with the connecting shaft B, and the other end of the front support piece A and the other end of the rear support piece A are arranged between There is a hanging shaft A. 6.根据权利要求1-5任一项所述的蓄能电站拦污栅移动除污装置，其特征在于，所述支撑架B（38）包括前支撑片B与后支撑片B，所述前支撑片B一端与所述连接轴A铰接，所述后支撑片B 一端与所述连接轴B铰接，所述前支撑片B的另一端与所述后支撑片B的另一端之间设置有挂轴B。6 . The mobile trash removal device for an energy storage power station trash rack according to claim 1 , wherein the support frame B ( 38 ) comprises a front support sheet B and a rear support sheet B, the support frame B ( 38 ) One end of the front support piece B is hinged with the connecting shaft A, one end of the rear support piece B is hinged with the connecting shaft B, and the other end of the front support piece B and the other end of the rear support piece B are arranged between There is a hanging shaft B. 7.根据权利要求1-6任一项所述的蓄能电站拦污栅移动除污装置，其特征在于，所述支座（33）上设置有销轴，所述销轴上设置有所述从动齿轮（34）。7 . The mobile decontamination device for the trash rack of an energy storage power station according to any one of claims 1 to 6 , wherein a pin shaft is provided on the support ( 33 ), and a pin shaft is provided on the pin shaft. 8 . the driven gear (34). 8.根据权利要求1-7任一项所述的蓄能电站拦污栅移动除污装置，其特征在于，所述牵引机构包括设置在所述拦污栅（1）顶部，且驱动所述的移动组件（2）上下运动的牵引索，以及驱动端与所述牵引索的动力端连接的卷扬机。The mobile decontamination device for the trash rack of an energy storage power station according to any one of claims 1 to 7, characterized in that the traction mechanism comprises a device arranged on the top of the trash rack (1), and drives the trash rack (1). The moving assembly (2) is a traction cable that moves up and down, and a hoist whose driving end is connected with the power end of the traction cable.
CN201811410223.XA 2018-11-23 2018-11-23 A kind of mobile decontamination apparatus of storage station's trash rack Pending CN109235395A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811410223.XA CN109235395A (en) 2018-11-23 2018-11-23 A kind of mobile decontamination apparatus of storage station's trash rack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811410223.XA CN109235395A (en) 2018-11-23 2018-11-23 A kind of mobile decontamination apparatus of storage station's trash rack

Publications (1)

Publication Number Publication Date
CN109235395A true CN109235395A (en) 2019-01-18

Family

ID=65076546

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811410223.XA Pending CN109235395A (en) 2018-11-23 2018-11-23 A kind of mobile decontamination apparatus of storage station's trash rack

Country Status (1)

Country Link
CN (1) CN109235395A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109779275A (en) * 2019-02-14 2019-05-21 中建八局第一建设有限公司 A kind of high-storey construction security protection buffer unit
CN113356163A (en) * 2020-03-07 2021-09-07 北京赛智新创科技有限公司 Cleaning and cutting device and method for thermal power station water intake grille

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200220464Y1 (en) * 2000-11-02 2001-04-16 주식회사대저토건 The sewage collecting apparatus of a drainage
CN2697153Y (en) * 2004-04-14 2005-05-04 长春工程学院 Telescopic crane lever for float type dirt removing machine
CN205369195U (en) * 2016-02-18 2016-07-06 杨朝霞 Horizontal water conservancy top layer trash cleaning machine
CN206941544U (en) * 2017-07-26 2018-01-30 无锡市水利设计研究院有限公司 Trash rack
CN108166465A (en) * 2017-12-22 2018-06-15 张良 A kind of cleaning plant and its application method for being used to print sewage
CN207862897U (en) * 2018-02-01 2018-09-14 三峡大学 A kind of trash rack being convenient to clean
CN108643138A (en) * 2018-05-07 2018-10-12 北方民族大学 A kind of rubbish automatic cleaning apparatus at hydraulic engineering sluice gate
CN208097488U (en) * 2018-03-27 2018-11-16 王明晟 A kind for the treatment of tank Accrete clearing device
CN209555899U (en) * 2018-11-23 2019-10-29 国家电网有限公司 A kind of mobile decontamination apparatus of storage station's trash rack

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200220464Y1 (en) * 2000-11-02 2001-04-16 주식회사대저토건 The sewage collecting apparatus of a drainage
CN2697153Y (en) * 2004-04-14 2005-05-04 长春工程学院 Telescopic crane lever for float type dirt removing machine
CN205369195U (en) * 2016-02-18 2016-07-06 杨朝霞 Horizontal water conservancy top layer trash cleaning machine
CN206941544U (en) * 2017-07-26 2018-01-30 无锡市水利设计研究院有限公司 Trash rack
CN108166465A (en) * 2017-12-22 2018-06-15 张良 A kind of cleaning plant and its application method for being used to print sewage
CN207862897U (en) * 2018-02-01 2018-09-14 三峡大学 A kind of trash rack being convenient to clean
CN208097488U (en) * 2018-03-27 2018-11-16 王明晟 A kind for the treatment of tank Accrete clearing device
CN108643138A (en) * 2018-05-07 2018-10-12 北方民族大学 A kind of rubbish automatic cleaning apparatus at hydraulic engineering sluice gate
CN209555899U (en) * 2018-11-23 2019-10-29 国家电网有限公司 A kind of mobile decontamination apparatus of storage station's trash rack

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109779275A (en) * 2019-02-14 2019-05-21 中建八局第一建设有限公司 A kind of high-storey construction security protection buffer unit
CN113356163A (en) * 2020-03-07 2021-09-07 北京赛智新创科技有限公司 Cleaning and cutting device and method for thermal power station water intake grille

Similar Documents

Publication Publication Date Title
CN115518909B (en) An intelligent dust removal device for furniture board production
CN112921914A (en) Gate lifting system based on hydraulic engineering and application method thereof
CN109235396A (en) A kind of automatic cleaning collection device of storage station's trash rack
CN109235395A (en) A kind of mobile decontamination apparatus of storage station's trash rack
CN210103308U (en) Electric hoist crane
CN202466551U (en) Overwater garbage cleaning machine
CN200995201Y (en) Traffic sweeper for guarding rail
CN209555899U (en) A kind of mobile decontamination apparatus of storage station's trash rack
CN209555900U (en) A kind of automatic cleaning collection device of storage station's trash rack
CN215669376U (en) Can collect power station trash rack mechanism of clearance debris
CN207828941U (en) A kind of simple trash for trash rack
CN213727992U (en) Anti-pollution device of soil heavy metal detector
CN109339537B (en) Lifting type three-dimensional intelligent parking mechanical equipment
CN210421013U (en) Pump station removes rotation grid trash remover
CN201010882Y (en) Water surface cleaning device
CN210421012U (en) Hydraulic engineering is with blocking dirty grid
CN220666132U (en) Unpowered dirt cleaning device
CN209892226U (en) Two lining platform trucks are from taking concrete maintenance frock
CN208583866U (en) A kind of environmental protection press surface garbage recovery device
CN218562272U (en) Make things convenient for hydraulic engineering of dismouting to use fence of decontaminating
CN201952793U (en) Scraper bucket type trash remover auxiliary grab
CN111687139A (en) Door plant dust collector that furniture factory used
CN202594805U (en) Self-cleaning grate cleaner
CN110318374B (en) Pump station removes rotation type grid trash remover
CN218562269U (en) River course river ecological remediation sewage treatment device

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20190118

RJ01 Rejection of invention patent application after publication