CN204698468U - High-rise glass curtain wall automatic flushing device - Google Patents

High-rise glass curtain wall automatic flushing device Download PDF

Info

Publication number
CN204698468U
CN204698468U CN201520320689.6U CN201520320689U CN204698468U CN 204698468 U CN204698468 U CN 204698468U CN 201520320689 U CN201520320689 U CN 201520320689U CN 204698468 U CN204698468 U CN 204698468U
Authority
CN
China
Prior art keywords
valve body
curtain wall
glass curtain
brush
steel wire
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.)
Expired - Fee Related
Application number
CN201520320689.6U
Other languages
Chinese (zh)
Inventor
余洋
郭珺瑶
查港
周华艳
梁皓天
江佳俊
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 CN201520320689.6U priority Critical patent/CN204698468U/en
Application granted granted Critical
Publication of CN204698468U publication Critical patent/CN204698468U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Cleaning In General (AREA)

Abstract

The utility model discloses a kind of high-rise glass curtain wall automatic flushing device, comprise storage tank, A valve body, B valve body, C valve body, D valve body, water pipe, hydraulic tube, top cover, piston, three-way connection, steel wire rope, multiple fixed pulley, pair of guide rails, brush and sparge pipe; The utility model collects rainwater at roof, directly utilize store up rainwater geopotential energy and the pressure potential energy that is converted into, by hydraulic gear, for device provides power and water for cleaning, economize energy and clean water consumption; Replace artificial clean method with mechanization, automation, avoid the danger of personal height operation and high operating cost; Make rainwater resource can rationally, efficiency utilization, the innovation of active response country and energy-saving and emission-reduction call.

Description

High-rise glass curtain wall automatic flushing device
Technical field
The utility model relates to a kind of cleaning equipment, particularly relates to a kind of high-rise glass curtain wall automatic flushing device.
Background technology
Along with the fast development of China, high level even high-rise building gets more and more, but the cleaning of high-rise glass curtain wall and window, but always by manually completing, namely traditional spider-man, but this cleaning model also exists great danger, and also efficiency is extremely low, waste a large amount of water resources, especially at northern area simultaneously.
High-rise glass curtain wall rests on the level of manual cleaning always, automation cleaning or blank out.In April, 2015, CCTV building first time cleaning glass outer curtain wall, cost 400,000 RMB, estimate water consumption 60 tons, one month consuming time, maximum cleaning is highly liftoff 234 meters, cleaning during wind-force large, current cleaning has high input, length consuming time, water consumption is many, and danger coefficient is high, as can be seen here all drawbacks of the manual cleaning of high-rise glass curtain wall.
In addition, some glass curtain wall evagination gradually from bottom to top, manual cleaning cannot complete at all, conventional method often adopts giant to rinse, when running into high-rise building, because water cannot arrive height so, fire-fighting high ladder or helicopter is often adopted to spray water with high pressure cleaning, water consumption is very big, and job costs and high.
Utility model content
The purpose of this utility model: a kind of high-rise glass curtain wall automatic flushing device is provided, collect natural rain, use rainwater pressure potential, by hydraulic drive mechanism, realize automation cleaning high-rise glass curtain wall (window), thus keep away high-rise operation, spider-man is freed among the cleaning of danger, and save the source of valuable water, and reduce energy loss, increase work efficiency simultaneously.
To achieve these goals, the technical solution of the utility model is:
A kind of high-rise glass curtain wall automatic flushing device, comprises storage tank, A valve body, B valve body, C valve body, D valve body, water pipe, hydraulic tube, top cover, piston, three-way connection, steel wire rope, multiple fixed pulley, pair of guide rails, brush and sparge pipe; The delivery port of described storage tank connects by described water pipe is corresponding with one end of described A valve body and B valve body respectively, the other end of described A valve body is communicated with the top of described hydraulic tube and one end of described D valve body respectively by described water pipe, the other end of described B valve body is communicated with the bottom of described hydraulic tube and one end of described C valve body respectively by described water pipe, and described hydraulic tube is fixedly connected with described water pipe by described three-way connection; Described C valve body and the other end of D valve body are communicated with described sparge pipe respectively by described water pipe, and described sparge pipe is horizontally set on the top of glass curtain wall; Described top seal cover cap is at the top of described hydraulic tube, and described piston coaxial is arranged in described hydraulic tube, between described hydraulic tube and the link of described A valve body and B valve body; One end of described steel wire rope is connected on the upper surface of described piston through described top cover, the other end of described steel wire rope is connected on the lower surface of described piston through described three-way connection, and the middle part of described steel wire rope is connected with described brush by described multiple fixed pulley; Described pair of guide rails is vertically set on the both sides of glass curtain wall respectively, and the two ends of described brush are separately positioned in described pair of guide rails, and described brush is positioned at the below of described sparge pipe, and is fitted on glass curtain wall.
Above-mentioned high-rise glass curtain wall automatic flushing device, wherein, described steel wire rope is provided with forwards/reverse Control Component, and described Direct/Reverse Control Component comprises A limit point, B limit point and two gear switch; Described A limit point is positioned at the below of described brush, and described second gear switch is between described A limit point and described B limit point.
Above-mentioned high-rise glass curtain wall automatic flushing device, wherein, also comprise brush connection cord, on the two ends that the two ends of described brush connection cord are connected to described brush and steel wire rope, described brush connection cord lays respectively at top and the below of described brush, forms diamond structure.
Above-mentioned high-rise glass curtain wall automatic flushing device, wherein, described top cover is provided with through hole, and is provided with rubber seal in described through hole, through hole on top cover described in described steel wire penetrating, described steel wire rope is connected with described top seal by described rubber seal.
Above-mentioned high-rise glass curtain wall automatic flushing device, wherein, is provided with screen pack in described storage tank.
Above-mentioned high-rise glass curtain wall automatic flushing device, wherein, when the height of described storage tank is lower than 10 meters, the link of described storage tank and described water pipe sets up booster water pump.
The utility model collects rainwater at roof, directly utilize store up rainwater geopotential energy and the pressure potential energy that is converted into, by hydraulic gear, for device provides power and water for cleaning, economize energy and clean water consumption; Replace artificial clean method with mechanization, automation, avoid the danger of personal height operation and high operating cost; Make rainwater resource can rationally, efficiency utilization, the innovation of active response country and energy-saving and emission-reduction call.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model high-rise glass curtain wall automatic flushing device.
Fig. 2 is the flow chart of the cleaning method of the utility model high-rise glass curtain wall automatic flushing device.
Fig. 3 is the valve body control circuit figure of the utility model high-rise glass curtain wall automatic flushing device.
Detailed description of the invention
Embodiment of the present utility model is further illustrated below in conjunction with accompanying drawing.
Refer to shown in accompanying drawing 1, a kind of high-rise glass curtain wall automatic flushing device, comprises storage tank 1, A valve body 2, B valve body 3, C valve body 4, D valve body 5, water pipe 6, hydraulic tube 7, top cover 8, piston 9, three-way connection 10, steel wire rope 11, multiple fixed pulley 12, pair of guide rails 13, brush 14 and sparge pipe 15; The delivery port of described storage tank 1 connects by described water pipe 6 is corresponding with one end of described A valve body 2 and B valve body 3 respectively, the other end of described A valve body 2 is communicated with the top of described hydraulic tube 7 and one end of described D valve body 5 respectively by described water pipe 6, the other end of described B valve body 3 is communicated with the bottom of described hydraulic tube 7 and one end of described C valve body 4 respectively by described water pipe 6, and described hydraulic tube 7 is fixedly connected with described water pipe 6 by described three-way connection 10; Described C valve body 4 and the other end of D valve body 5 are communicated with described sparge pipe 15 respectively by described water pipe, and described sparge pipe 15 is horizontally set on the top of glass curtain wall 20; Described top cover 8 closing cap is at the top of described hydraulic tube 7, and described piston 9 is coaxially arranged in described hydraulic tube 7, between described hydraulic tube 7 and the link of described A valve body 2 and B valve body 3; One end of described steel wire rope 11 is connected on the upper surface of described piston 9 through described top cover 8, the other end of described steel wire rope 11 is connected on the lower surface of described piston 9 through described three-way connection 10, and the middle part of described steel wire rope 11 is connected with described brush 14 by described multiple fixed pulleys 12; Described pair of guide rails 13 is vertically set on the both sides of glass curtain wall 20 respectively, and the two ends of described brush 14 are separately positioned in described pair of guide rails 13, and described brush 14 is positioned at the below of described sparge pipe 15, and is fitted on glass curtain wall 20.
A valve body 2, B valve body 3, C valve body 4, D valve body 5 adopt normal-closed electromagnetic valve, and conducting during energising, closes during power-off, and its control circuit figure as shown in Figure 3.Water pipe 6 adopts resistance to pressure pipe, and the utility model adopts power supply adaptor to power, and civil power is converted to 12V direct current.
Described steel wire rope 11 is provided with forwards/reverse Control Component, and described Direct/Reverse Control Component comprises A limit point 16, B limit point 17 and two gear switch 18; Described A limit point 16 is positioned at the below of described brush 14, and two described gear switch 18 are between described A limit point 16 and described B limit point 17.
Also comprise brush connection cord 19, on the two ends that the two ends of described brush connection cord 19 are connected to described brush 14 and steel wire rope 11, described brush connection cord 19 lays respectively at top and the below of described brush 14, forms diamond structure.
Described top cover 8 is provided with through hole, and is provided with rubber seal in described through hole, and described steel wire rope 11 is through the through hole on described top cover 8, and described steel wire rope 11 is tightly connected by described rubber seal and described top cover 8, prevents from leaking.
Screen pack is provided with in described storage tank 1.
When the height of described storage tank 1 is lower than 10 meters, described storage tank 1 sets up booster water pump with the link of described water pipe 6.
According to hydraulic tube 7 intended diameter be 100mm calculate
(1) when storage tank 1 head height is 10m
Theoretical pressure is P=ρ * g*h=1000*10*10=1Mpa
Consider linear loss and kinetic energy, get flow velocity be 1m/s by Bernoulli equation:
p 1+1/2ρv 1 2+ρgh 1=p 2+1/2ρv 2 2+ρgh 2
Get the safety coefficient of 0.6, pressure is 50000pa
Theoretical pressure is F=50000*3.14*0.05 2=784N
Designing and calculating coefficient is 0.5
Design pressure is F=784*0.5=392N
Actual resistance 183N (weight beam actual measurement obtains)
Design F is that the twice of actual resistance is many, designs feasible.
(2) when head is higher than 10 meters, pressure is larger, and the hydraulic pressure provided is larger, but drag size is substantially constant, more can ensure the operation of whole device.
(3) when head is lower than (one of building top arrives two-layer) when 10 meters, in order to ensure stable operation of the present utility model, can install booster water pump at the water inlet end of water pipe 6, pump head is 10 meters, and now pressure can ensure system cloud gray model.
Refer to shown in accompanying drawing 2, the cleaning method of the utility model high-rise glass curtain wall automatic flushing device, the method at least comprises the steps:
Step 1: rainwater collected by described storage tank 1, and by described filter screen filtration.
Step 2: two described gear switch 18 are in a to connection, make described A valve body 2 and C valve body 4 conducting, and described B valve body 3 and D valve body 5 end, rainwater flows into the upper end of described hydraulic tube 7 through described A valve body 2, and the piston 9 described in rainwater promotes moves downward.
Step 3: the rainwater of described piston 9 bottom flows in described sparge pipe 15 via described C valve body 4, and rainwater is sprayed onto on glass curtain wall 20 by described sparge pipe 15.
Step 4: described piston 9 is at the moved downward of top rainwater, and described steel wire rope 11 links and brush 14 described in driving moves upward, and scrubs glass curtain wall 20.
Step 5: when described brush 14 moves to top, B limit point 17 on described steel wire rope 11 drives the bar of two described gear switch 18, make two described gear switch 18 be in b to connection, make described B valve body 3 and D valve body 5 conducting, and described A valve body 2 and C valve body 4 end.
Step 6: rainwater flows into the lower end of described hydraulic tube 7 via described B valve body 3, the piston 9 described in promotion moves upward.
Step 7: the rainwater on described piston 9 top flows in described sparge pipe 15 via described D valve body 5, and is sprayed on glass curtain wall 20 by water.
Step 8: described piston 9 drives described steel wire rope 11 to link, and described brush 14 moves downward, and again scrubs glass curtain wall 20.
Step 9: when described brush 14 moves to bottom, the A limit point 16 on described steel wire rope 11 drives the bar of two described gear switch 18, makes two described gear switch 18 get back to a to connection.
Step 10, the step 2 described in repetition is to step 9, and the reciprocating motion of the brush 14 described in realization, completes scrubbing of glass curtain wall 20.
Embodiment:
For one to 40 floor building, building is high 120 meters, and building length and width are 40 meters.
Glass surface area is S:120*40*4=19200m 2
Annual cleaning institute water requirement is:
According in building on four sides, set of device is installed in every face, and monthly clean once, each brush cleans 8 calculating (be equivalent to brush brush 16 times, via model test result, learn that scouring can ensure scrub 16 times) back and forth
(1) each cleaning institute water requirement
One back and forth water requirement be square (r of Q=Π * hydraulic tube radius 2) * building height * system quantity * 2, i.e. Q=3.14*0.05 2* 120*4*2=7.536m 3
10 back and forth gross water requirement: Q total=3.768*8*2=60.288m 3
(2) annual cleaning institute water requirement: S total=the total * 12=60.288*12=723.456m of Q 3
3, the water yield can be collected every year
According to China's year precipitation line, get seven cities such as Shanghai, Beijing, Guangzhou, Wuhan, Harbin, Chongqing, Urumchi, represent seven areas such as the East China of China, North China, south China, Central China, northeast, southwest, northwest respectively.
(1) Shanghai---East China
Annual precipitation 1010mm
Roof can collect water yield q=area * precipitation, i.e. q=40*40*1.01=1616m 3
(2) Beijing---North China
Annual precipitation 545.3mm
Roof can collect water yield q=area * precipitation, i.e. q=40*40*0.5453=872.48m 3
(3) Guangzhou---south China
Annual precipitation 1780mm
Roof can collect water yield q=area * precipitation, i.e. q=40*40*1.78=2848m 3
(4) Wuhan---Central China
Annual precipitation 1100mm
Roof can collect water yield q=area * precipitation, i.e. q=40*40*1.1=1760m 3
(5) Harbin---northeast
Annual precipitation 480mm
Roof can collect water yield q=area * precipitation, i.e. q=40*40*0.048=768m 3
(6) Chongqing---southwest
Annual precipitation 1069mm
Roof can collect water yield q=area * precipitation, i.e. q=40*40*1.069=1710m 3
(7) Urumchi---northwest
Annual precipitation 277mm
Roof can collect water yield q=area * precipitation, i.e. q=40*40*0.277=443.2m 3
Can be analyzed by precipitation and learn, East China, south China, Central China, North China, five areas, southwest, precipitation is all much larger than institute's water requirement, can meet use, northeast precipitation, slightly larger than institute's water requirement, can ensure to use substantially, Precipitation in Northwest China amount, much smaller than institute's water requirement, differs 280 cubic metres.
China's high-rise building is mainly distributed in East China, south China, North China, Central China, northeast, southwest, these areas, system water amount can be ensured, for the Northwest, more arid, precipitation is less, but distribution of high-rise buildings is few, need to fill this systematic building little, the not use of influential system.
For a Dong40Ceng building, surface area 19200 square metres, cleaning in 1 year 12 times (cleaning every month once): the water consumption of the utility model cleaning: use natural rain, not volume exterior-applied liquid medicine, therefore water consumption is 0, water-saving amount is 720 tons, is equivalent to a three people family 14 water consumptions per month.
Use the utility model to clean 1 hour consuming time, whole system power is 10W, is provided with 4 cover systems at every turn, 1 year power consumption altogether: 0.01*4*12=0.48kWh, relative to manual cleaning power consumption, can ignore completely, save electric energy 6720kWh, be equivalent to a three people family 6 years power consumptions.Use the utility model cleans, and discharge is zero.
The utility model overwhelming majority is simple and mechanical device, and circuit part only has four magnetic valves (1000 hours averages length of working life, according to this system frequency of utilization, can normally work 83 years), and reliable operation, the life-span is high, and trouble point is few.
Having among the harsh weather such as strong wind, manual cleaning considers danger, must quit work, but the utility model does not exist this problem, still can ensure working properly, complete cleaning.
In sum, the utility model collects rainwater at roof, directly utilize store up rainwater geopotential energy and the pressure potential energy that is converted into, by hydraulic gear, for device provides power and water for cleaning, economize energy and clean water consumption; Replace artificial clean method with mechanization, automation, avoid the danger of personal height operation and high operating cost; Make rainwater resource can rationally, efficiency utilization, the innovation of active response country and energy-saving and emission-reduction call.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure transformation utilizing the utility model description to do; or directly or indirectly use the technical field being attached to other Related products, be all in like manner included in scope of patent protection of the present utility model.

Claims (6)

1. a high-rise glass curtain wall automatic flushing device, is characterized in that: comprise storage tank, A valve body, B valve body, C valve body, D valve body, water pipe, hydraulic tube, top cover, piston, three-way connection, steel wire rope, multiple fixed pulley, pair of guide rails, brush and sparge pipe; The delivery port of described storage tank connects by described water pipe is corresponding with one end of described A valve body and B valve body respectively, the other end of described A valve body is communicated with the top of described hydraulic tube and one end of described D valve body respectively by described water pipe, the other end of described B valve body is communicated with the bottom of described hydraulic tube and one end of described C valve body respectively by described water pipe, and described hydraulic tube is fixedly connected with described water pipe by described three-way connection; Described C valve body and the other end of D valve body are communicated with described sparge pipe respectively by described water pipe, and described sparge pipe is horizontally set on the top of glass curtain wall; Described top seal cover cap is at the top of described hydraulic tube, and described piston coaxial is arranged in described hydraulic tube, between described hydraulic tube and the link of described A valve body and B valve body; One end of described steel wire rope is connected on the upper surface of described piston through described top cover, the other end of described steel wire rope is connected on the lower surface of described piston through described three-way connection, and the middle part of described steel wire rope is connected with described brush by described multiple fixed pulley; Described pair of guide rails is vertically set on the both sides of glass curtain wall respectively, and the two ends of described brush are separately positioned in described pair of guide rails, and described brush is positioned at the below of described sparge pipe, and is fitted on glass curtain wall.
2. high-rise glass curtain wall automatic flushing device according to claim 1, is characterized in that: described steel wire rope is provided with forwards/reverse Control Component, and described Direct/Reverse Control Component comprises A limit point, B limit point and two gear switch; Described A limit point is positioned at the below of described brush, and described second gear switch is between described A limit point and described B limit point.
3. high-rise glass curtain wall automatic flushing device according to claim 1, it is characterized in that: also comprise brush connection cord, on the two ends that the two ends of described brush connection cord are connected to described brush and steel wire rope, described brush connection cord lays respectively at top and the below of described brush, forms diamond structure.
4. high-rise glass curtain wall automatic flushing device according to claim 1, it is characterized in that: described top cover is provided with through hole, and be provided with rubber seal in described through hole, through hole on top cover described in described steel wire penetrating, described steel wire rope is connected with described top seal by described rubber seal.
5. high-rise glass curtain wall automatic flushing device according to claim 1, is characterized in that: be provided with screen pack in described storage tank.
6. high-rise glass curtain wall automatic flushing device according to claim 1, is characterized in that: when the height of described storage tank is lower than 10 meters, the link of described storage tank and described water pipe sets up booster water pump.
CN201520320689.6U 2015-05-18 2015-05-18 High-rise glass curtain wall automatic flushing device Expired - Fee Related CN204698468U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520320689.6U CN204698468U (en) 2015-05-18 2015-05-18 High-rise glass curtain wall automatic flushing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520320689.6U CN204698468U (en) 2015-05-18 2015-05-18 High-rise glass curtain wall automatic flushing device

Publications (1)

Publication Number Publication Date
CN204698468U true CN204698468U (en) 2015-10-14

Family

ID=54278104

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520320689.6U Expired - Fee Related CN204698468U (en) 2015-05-18 2015-05-18 High-rise glass curtain wall automatic flushing device

Country Status (1)

Country Link
CN (1) CN204698468U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105781385A (en) * 2016-05-04 2016-07-20 西南科技大学 Self-cleaning solar double-layered glass blind window
CN106245924A (en) * 2016-08-08 2016-12-21 刘运华 A kind of glass curtain wall surface cleaning apparatus
CN106264353A (en) * 2015-05-18 2017-01-04 胡玉舟 High-rise glass curtain wall automatic clearing apparatus and cleaning method thereof
CN108691493A (en) * 2018-05-11 2018-10-23 安徽合众智信科技咨询有限公司 A kind of window of included cleaning function
CN110080334A (en) * 2019-06-04 2019-08-02 龙游卡伊环保科技有限公司 It is a kind of to carry out the clean equipment of facade using collection rainwater

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106264353A (en) * 2015-05-18 2017-01-04 胡玉舟 High-rise glass curtain wall automatic clearing apparatus and cleaning method thereof
CN105781385A (en) * 2016-05-04 2016-07-20 西南科技大学 Self-cleaning solar double-layered glass blind window
CN106245924A (en) * 2016-08-08 2016-12-21 刘运华 A kind of glass curtain wall surface cleaning apparatus
CN106245924B (en) * 2016-08-08 2018-10-12 江苏景泰玻璃有限公司 A kind of glass curtain wall surface cleaning apparatus
CN108691493A (en) * 2018-05-11 2018-10-23 安徽合众智信科技咨询有限公司 A kind of window of included cleaning function
CN108691493B (en) * 2018-05-11 2019-07-19 上海尔吉其门窗幕墙系统有限公司 A kind of window of included cleaning function
CN110080334A (en) * 2019-06-04 2019-08-02 龙游卡伊环保科技有限公司 It is a kind of to carry out the clean equipment of facade using collection rainwater

Similar Documents

Publication Publication Date Title
CN204698468U (en) High-rise glass curtain wall automatic flushing device
CN104289476B (en) A kind of street lamp post cleans cleaning equipment
CN202370033U (en) Collecting and utilizing system for roof rainwater filtered by high filter chamber
CN105104010A (en) Water and fertilizer automatic irrigation greening wall
CN107185879A (en) A kind of control system of automatic flushing device for outdoor advertising board
CN204929795U (en) A kind of liquid manure automatic irrigation greening wall
CN208316663U (en) A kind of solar energy photovoltaic panel maintenance unmanned plane
CN201429418Y (en) Composite bar-type visualizer
CN203724031U (en) Environment-friendly cleaning device for glass curtain wall of high-rise building
CN103610420B (en) Curtain wall of glass for high building Environment protection cleaning device
CN106264353A (en) High-rise glass curtain wall automatic clearing apparatus and cleaning method thereof
CN209924288U (en) Building roof rainwater collecting and recycling device
CN205389801U (en) Plant spray truck
CN201998314U (en) Maintenance vehicle for automatic spraying systems of precast yard
CN208908759U (en) A kind of highway planting isolation strip water-saving irrigation device
CN204983096U (en) Prefabricated pump station of formula of burying
CN202153174U (en) Building external window on-site water tightness detector
CN201722741U (en) Multilevel water-saving tank
CN108937704A (en) Window wiping robot outside a kind of unattended building on the basis of power line carrier, PLC
CN214353192U (en) Prefabricated T roof beam intelligence sprays maintenance system
CN201015344Y (en) Hogpen water conservation type faeces cleaning groove
CN209540414U (en) Photovoltaic plant video monitoring remote wireless transmission system monitoring device
CN206385459U (en) A kind of portable bridge cleaning device
CN202325412U (en) Double-barreled circular bailing device
CN204769615U (en) Belt cleaning device of solar cell panel roofing

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151014

Termination date: 20160518