CN109505289B - Cleaning device for floaters at water diversion port of water channel - Google Patents
Cleaning device for floaters at water diversion port of water channel Download PDFInfo
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- CN109505289B CN109505289B CN201811642061.2A CN201811642061A CN109505289B CN 109505289 B CN109505289 B CN 109505289B CN 201811642061 A CN201811642061 A CN 201811642061A CN 109505289 B CN109505289 B CN 109505289B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/08—Details, e.g. gates, screens
- E02B5/085—Arresting devices for waterborne materials, e.g. gratings
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- General Engineering & Computer Science (AREA)
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Abstract
The invention belongs to the field of water conservancy facilities, and particularly relates to a device for cleaning floaters at a water diversion port of a water channel, which can automatically run by utilizing water flow. The device comprises a garbage collecting tank, an intercepting net, a scraper transmission device, a bubbling device and a power device. The garbage collecting tank floats on the water surface, and the scraper transmission device is used for enabling the scraper to move upwards along the intercepting net; the bubbling device is arranged in water and is positioned in front of and below the intercepting net; the power device is used for providing power for the scraper blade transmission device and the swelling device.
Description
Technical Field
The invention belongs to the field of water conservancy facilities, and particularly relates to a device for cleaning floaters at a water diversion port of a water channel, which can automatically run by utilizing water flow.
Background
In order to control the flow rate of river water, a gate is usually provided at a water inlet for supplying water from a main channel of a river to a branch channel, for example, in a water diversion project, the flow of river water from the main channel into branch channels needs to be accurately controlled, and the gate plays a crucial role. However, when the gate is closed, the river water inlet of the branch is closed to form a return bend, and the garbage drifting along with the main road is easily accumulated in the return bend, and after the gate is opened, the garbage flows into the branch along with the river water, so that great pollution is brought to towns at the downstream of the branch, and the garbage in the river water needs to be treated subsequently, which is very troublesome. At present, some places can clean garbage before opening a gate, but the cleaning is mostly carried out by adopting a manual mode of fishing on the bank, which takes trouble and labor, and the bank edge of the gate is designed into a wedge shape and has a slope, so that people can easily slide into the river along the slope, and danger is brought to people who salvage garbage.
Disclosure of Invention
The invention aims to provide a device capable of automatically intercepting and collecting garbage at a water inlet of a branch channel of a river channel so as to solve the problems of inconvenience and danger of manual cleaning. In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
a cleaning device for floaters at a water diversion port of a water channel comprises a garbage collection tank, an interception net, a scraper transmission device, a bubbling device and a power device.
The garbage collection tank floats on the water surface, and mounting plates which obliquely extend into the water are arranged on two sides of one end of the garbage collection tank facing to the water flow; the intercepting net is used for intercepting garbage, is arranged between the mounting plates on the two sides of the garbage collecting tank and consists of a plurality of vertical intercepting plates and a plurality of transverse intercepting rods, and the intercepting plates and the intercepting rods are staggered with each other to form meshes; the upper end of the interception net is positioned right above the garbage collection tank; the scraper is used for scraping away garbage intercepted by the intercepting net, and mounting seats are fixed at two ends of the scraper;
the scraper transmission device is used for enabling the scraper to move upwards along the intercepting net and comprises two groups of transmission structures; the two groups of transmission structures are respectively arranged on the mounting plates at two sides of the garbage collection tank, each transmission structure also comprises a driven wheel, a driving wheel and a transmission belt, the driven wheel and the driving wheel are respectively and rotatably connected to the inner side surfaces of the upper end and the lower end of the mounting plates, and the transmission belts are connected between the driven wheel and the driving wheel; a linkage structure is arranged between the driving wheels in the two groups of transmission structures, so that the two driving wheels can synchronously rotate; and the mounting seats at the two ends of the scraper are respectively fixed on the outer surfaces of the transmission belts of the two groups of transmission structures.
The bubbling device is arranged in water, is positioned in front of and below the intercepting net, and comprises a bubbling box and an air blowing cylinder; the air drum cylinder is provided with an air inlet pipe and an air guide pipe; one end of the air inlet pipe extends out of the water surface, and a one-way air inlet valve is arranged on the air inlet pipe; the air guide pipe is used for communicating the bubbling box with the air drum; a piston is arranged in the air drum, and the outer side surface of the piston is hinged with a piston rod; the bubbling box is provided with at least one row of exhaust holes, and a plurality of elastic rubber sleeves covering the exhaust holes are tightly sleeved on the bubbling box;
the power device is used for providing power for the scraper transmission device and the swelling device and comprises a front power roller, a rear power roller and an annular belt sleeved between the front power roller and the rear power roller, a baffle plate is hinged to the annular belt, the baffle plate inclines to one side opposite to the rotating direction of the annular belt, and a spring is fixed between the baffle plate and the annular belt; the rear power roller is connected with the driving wheel through a power transmission belt; and a transmission block is fixed at the side end of the surface of the annular belt and is hinged with one end of the piston rod extending out of the air drum cylinder.
The bubbling box, the bubbling cylinder, the front power roller and the rear power roller are all supported in water through supporting rods fixed at the bottom of the water.
The invention adopting the technical scheme has the following characteristics: when a gate at the water inlet of the water channel branch is opened, water flows through the cleaning device, the water flows through the baffle plate below the water surface, the annular belt is driven to rotate, one end of the piston rod moves circumferentially along with the annular belt, the other end of the piston rod moves in a reciprocating manner in the air blowing cylinder, air on the water surface is filled into the bubbling box and is exhausted after the elastic rubber sleeve is spread through the exhaust hole, and the elastic rubber sleeve can prevent water from entering the air blowing box when no air is exhausted; the discharged air forms bubbles in the water to drive the garbage suspended in the water to move upwards, so that the garbage can further flow with the water and be intercepted by the intercepting net; meanwhile, the rear power roller drives the driving wheel to rotate, so that the transmission structure is driven to move, the scraping plate moves from bottom to top along the intercepting net to scrape the garbage from the top end of the intercepting net, and the garbage falls into the garbage collecting tank; the scraping plate moves circumferentially along with the rotation of the transmission belt, and can repeatedly scrape the garbage on the intercepting net into the garbage collecting tank until the gate is closed and loses power; automatic garbage cleaning and collecting without manual intervention in the process of opening the gate and discharging water are realized; and the garbage collection groove floats and the surface of water makes the device of this application can not receive the influence of water level when the interception is collected rubbish, can use in the ditch in different regions in season not.
Preferably, the lower part of one end of the garbage collection tank facing the water flow is in a V shape, so that the impact force of the water flow on the part of the garbage collection tank sinking underwater is reduced.
Preferably, the connecting part of the scraper and the mounting seat is made of rubber, so that the scraper has a certain swing amplitude.
As the preferred scheme, the outside of mounting panel is provided with the rail that is used for gathering rubbish. The fence can adapt to the shapes of various river channel branch inlets, can better intercept the inlets of the branch inlets, and plays a role in gathering garbage to the intercepting net.
As an optimized scheme, the garbage accommodating box with an opening at the upper part is arranged in the garbage collecting tank, and when the garbage is cleaned out of the garbage collecting tank, the garbage accommodating box can be directly taken out, so that the garbage is convenient to clean.
As preferred scheme, the interlock structure is helical blade, helical blade connects between the action wheel in two sets of transmission structures and coaxial with the action wheel, and helical blade can drive the action wheel when rotating and rotate, and when rivers flowed through helical blade, helical blade also can provide power for transmission structure.
As preferred scheme, the one end that the intake pipe stretches out the surface of water is provided with rain-proof cover to reduce the risk that rainwater gets into the intake pipe.
Drawings
The invention is further illustrated by the non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the combination of a garbage collection tank and an intercepting net according to the present invention;
FIG. 3 is a schematic view of the present invention with the enclosure installed;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a schematic view of the squeegee assembly of the present invention;
FIG. 6 is a diagram showing the relationship between the position of the intercepting net and the bubble box in the direction of water flow;
FIG. 7 is a schematic view of the internal structure of the air drum of the present invention;
FIG. 8 is a perspective view of the bubble box of the present invention;
the main element symbols are as follows: 1. a garbage collection tank; 2. a interception plate; 3. a connecting rod; 4. mounting a plate; 5. a squeegee; 6. a mounting seat; 7. a driven wheel; 8. a driving wheel; 9. a transmission belt; 10. a helical blade; 11. a fence; 12. a bubbling box; 13. an air drum; 14. an air duct; 15. an elastic rubber sleeve; 16. a piston; 17. a piston rod; 18. an air inlet pipe; 19. a one-way intake valve; 20. a floating ball; 21. an endless belt; 22. a baffle plate; 23. a rear power drum; 24. a power transmission belt; 25. a transmission block; 26. rain-proof cover.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.
Example one
Referring to figures 1 to 8: the water channel water diversion opening floater cleaning device in the figure comprises a garbage collection groove 1, wherein the garbage collection groove 1 floats on the water surface, the two sides of one end, facing to water flow, of the garbage collection groove 1 are respectively provided with an installing plate 4 which inclines to stretch into the water, and the installing plate 4 preferably stretches into the water for 2.5 meters at an angle of 45 degrees. The lower part of the end, facing the water flow, of the garbage collection groove 1 is in a V shape facilitating the water flow to pass through, and a hanging lug used for connecting a rope is fixed at the top end of the garbage collection groove 1 so as to pull the garbage collection groove 1 by the rope to prevent the garbage collection groove 1 from floating away along with the water flow.
An intercepting net and a scraper transmission device for intercepting the garbage are arranged between the mounting plates at the two sides of the garbage collecting groove 1.
The intercepting net is composed of a plurality of vertical intercepting plates 2 and a plurality of transverse intercepting rods 3, and the intercepting rods 3 penetrate through the intercepting plates 2 and are mutually staggered with the intercepting plates 2 to form meshes; two ends of the interception rod 3 are respectively fixed on the mounting plates 4 at two sides of the garbage collection groove 1; the upper end of the interception net is positioned right above the garbage collection groove 1.
The scraper transmission device comprises two groups of transmission structures; the two groups of transmission structures are respectively arranged on the mounting plates 4 at two sides of the garbage collection groove 1, each transmission structure comprises a driven wheel 7, a driving wheel 8 and a transmission belt 9, the driven wheels 7 and the driving wheels 8 are respectively connected to the upper end and the lower end of the mounting plates 4 in a rotating mode through rotating shafts, the rotating shafts are fixed on the inner side surfaces of the mounting plates 4, and the transmission belts 9 are connected between the driven wheels 7 and the driving wheels 8; be provided with the interlock structure between the action wheel 8 in two sets of transmission structures to make two action wheels 8 synchronous rotation, in this embodiment, the interlock structure is helical blade 10, and helical blade 10's structure is similar with perpendicular aerogenerator's helical blade structure, and helical blade 10 is coaxial with action wheel 8, and when rivers passed through, helical blade 10 can rotate and drive action wheel 8 and rotate.
A scraper 5 is arranged above the intercepting net, rubber plates are fixed at two ends of the scraper 5 through bolts, mounting seats 6 are connected on the rubber plates at two ends of the scraper 5, fixing plates connected with the rubber plates are arranged on the mounting seats 6, and the fixing plates are connected with the rubber plates through bolts; the mounting seats 6 at the two ends of the scraper 5 are respectively fixed on the outer surfaces of the transmission belts 9 of the two groups of transmission structures, so that the scraper 5 is driven by the scraper transmission device to move upwards along the interception net to scrape away the garbage on the interception net; in this embodiment, when the driving belt 9 moves continuously, the scraper 5 moves circumferentially along with the driving belt 9, an interval enough for the scraper 5 to pass through is designed between the garbage collection tank 1 and the intercepting net, and the minimum distance between the outer diameter of the driving wheel 8 and the helical blade 10 is greater than the width of the scraper 5, so as to avoid interference between the scraper 5 and the helical blade 10 when the scraper 5 moves.
Air blowing devices are arranged below the water surface and in front of and below the intercepting net, and each air blowing device comprises a bubble box 12 and an air blowing cylinder 13; the air drum 13 is provided with an air inlet pipe 18 and an air guide pipe 14; one end of the air inlet pipe 18 extends out of the water surface, and the air inlet pipe 18 is provided with a one-way air inlet valve 19, in the embodiment, one end of the air inlet pipe 18 extending out of the water surface is provided with a rain cover 26, the rain cover 26 is an arc-shaped round cover, an air inlet of the air inlet pipe 18 is positioned inside the rain cover 26 so as to reduce the risk of rainwater entering the air inlet pipe 18, the air inlet pipe 18 is a hose, a floating ball 20 is arranged at the top end of the air inlet pipe 18 so that the air inlet of the air inlet pipe 18 can be always above the water surface, an air outlet end of the air inlet pipe 18 extends into the air drum; the air duct 14 is used for communicating the bubbling box 12 with the air drum 13; a piston 16 is arranged in the air drum 13, and the outer side surface of the piston 16 is hinged with a piston rod 17; at least one row of exhaust holes are formed in the bubbling box 12, the exhaust positions of the exhaust holes are located right in front of the intercepting net, a plurality of elastic rubber sleeves 15 covering the exhaust holes are tightly sleeved on the bubbling box 12, and when the exhaust holes do not exhaust, the elastic rubber sleeves 15 can seal the exhaust holes to prevent water flow from entering the bubbling box 12 through the exhaust holes.
The underwater water scraper is also provided with a power device for providing power for the scraper transmission device and the swelling device, the power device comprises a front power roller, a rear power roller 23 and an annular belt 21 sleeved between the front power roller and the rear power roller 23, the annular belt 21 is hinged with a baffle plate 22, the baffle plate 22 inclines towards one side opposite to the rotating direction of the annular belt 21, a spring is fixed between the baffle plate 22 and the annular belt 21, when water flows through the baffle plate 22 above the annular belt 21, the baffle plate 22 can be turned up as much as possible to provide power for the annular belt 21, and when the water flows through the baffle plate 22 below the annular belt 21, the baffle plate 22 can be pressed as much as possible to reduce the resistance force on the annular belt 21; the rear power roller 23 is connected with the driving wheel 8 through a power transmission belt 24; the side end of the surface of the annular belt 21 is fixed with a transmission block 25, the transmission block 25 is hinged with one end of the piston rod 17 extending out of the air drum 13, in the embodiment, in order to avoid interference between the piston rod 17 and the power transmission belt 24, the piston rod 17 and the power transmission belt 24 are respectively positioned at two sides of the annular belt 21.
The bubbling box 12, the air blowing cylinder 13, the front power roller and the rear power roller 23 are all supported in water through supporting rods fixed at the bottom of the water.
The cleaning device for floaters at the water diversion port of the water channel provided by the technical scheme of the invention works as follows: when a gate at the water inlet of the water channel is opened, water flows through the baffle plate 22 below the water surface to drive the annular belt 21 to rotate, so that one end of the piston rod 17 makes circumferential motion along with the annular belt 21, the other end makes reciprocating motion in the air blowing cylinder 13, when the piston rod 17 fills air on the water surface into the bubbling box 12, and the air is exhausted after the elastic rubber sleeve 15 is spread through the exhaust hole, the exhausted air forms bubbles in the water to drive garbage suspended in the water to move upwards, so that the garbage can be further intercepted by the intercepting net along with the water flow; meanwhile, the rear power roller 23 drives the driving wheel 8 to rotate, so as to drive the transmission structure to move, and further the scraper 5 moves from bottom to top along the interception net to scrape the garbage from the top end of the interception net, so that the garbage falls into the garbage collection groove 1.
Example two
Referring to fig. 2 and 3, the main structure of the second embodiment is substantially the same as that of the first embodiment, and the main difference is that: a fence 11 for gathering garbage is arranged on the outer side of the mounting plate 4; in order to improve the overall buoyancy of the device, the fence 11 can be an air bag, and in order to adjust the buoyancy according to the gravity of the garbage collection tank 1 and the intercepting net, the fence 11 can be formed by splicing the air bag and the water bag up and down, a rope is fixedly connected to the top end of the fence 11, and the rope is connected to a fixing object on the shore to realize rough positioning of the fence in water.
EXAMPLE III
The third embodiment has the same main structure as the first embodiment, and the main differences are as follows: a garbage accommodating box with an upper opening is placed in the garbage collecting tank 1, not shown, and garbage fed into the garbage collecting tank 1 by the scraper 5 directly falls into the garbage accommodating box to facilitate subsequent garbage treatment; in order to conveniently take the garbage accommodating box out of the garbage collecting groove 1, a lifting lug is fixed at the top end of the garbage accommodating box.
The floating object cleaning device for the water diversion port of the water channel provided by the invention is described in detail above. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a ditch distributive water mouth floater cleaning device which characterized in that: comprises a garbage collecting tank (1) floating on the water surface, wherein both sides of one end facing to water flow are provided with mounting plates (4) which obliquely extend into the water;
the intercepting net is used for intercepting garbage, is arranged between the mounting plates (4) on the two sides of the garbage collecting tank (1), and consists of a plurality of vertical intercepting plates (2) and a plurality of transverse intercepting rods (3), and the intercepting plates (2) and the intercepting rods (3) are staggered with each other to form meshes; the upper end of the interception net is positioned right above the garbage collection tank (1);
the scraping plate (5) is used for scraping away the garbage intercepted by the intercepting net, and mounting seats (6) are fixed at two ends of the scraping plate;
the scraper blade transmission device is used for enabling the scraper blade (5) to move upwards along the intercepting net and comprises two groups of transmission structures; the two groups of transmission structures are respectively arranged on the mounting plates (4) at two sides of the garbage collecting tank (1), each transmission structure comprises a driven wheel (7), a driving wheel (8) and a transmission belt (9), the driven wheels (7) and the driving wheels (8) are respectively and rotatably connected to the inner side surfaces of the upper end and the lower end of the mounting plates (4), and the transmission belts (9) are connected between the driven wheels (7) and the driving wheels (8); a linkage structure is arranged between the driving wheels (8) in the two groups of transmission structures, so that the two driving wheels (8) can synchronously rotate; the mounting seats (6) at the two ends of the scraper (5) are respectively fixed on the outer surfaces of the transmission belts (9) of the two groups of transmission structures;
the bubbling device is arranged in water, is positioned in front of and below the intercepting net, and comprises a bubbling box (12) and an air blowing cylinder (13); the air drum (13) is provided with an air inlet pipe (18) and an air guide pipe (14); one end of the air inlet pipe (18) extends out of the water surface, and a one-way air inlet valve (19) is arranged on the air inlet pipe (18); the air duct (14) is used for communicating the bubbling box (12) with the air drum (13); a piston (16) is arranged in the air drum (13), and the outer side surface of the piston (16) is hinged with a piston rod (17); the bubbling box (12) is provided with at least one row of exhaust holes, and a plurality of elastic rubber sleeves (15) for covering the exhaust holes are tightly sleeved on the bubbling box (12);
the power device is used for providing power for the scraper transmission device and the bubbling device and comprises a front power roller, a rear power roller (23) and an annular belt (21) sleeved between the front power roller and the rear power roller (23), a baffle plate (22) is hinged to the annular belt (21), the baffle plate (22) inclines towards one side opposite to the rotating direction of the annular belt (21), and a spring is fixed between the baffle plate (22) and the annular belt (21); the rear power roller (23) is connected with the driving wheel (8) through a power transmission belt (24); a transmission block (25) is fixed at the side end of the surface of the annular belt (21), and the transmission block (25) is hinged with one end, extending out of the air drum cylinder (13), of the piston rod (17);
bubble case (12), air drum (13), preceding power cylinder, back power cylinder (23) all support in aqueous through the bracing piece of fixing at the bottom, garbage collection groove (1) is the V type towards the lower part of the one end of rivers, the position of being connected of scraper blade (5) and mount pad (6) is made by rubber.
2. The device for cleaning floaters at the diversion port of the water channel according to claim 1, wherein: the outside of mounting panel (4) is provided with rail (11) that are used for assembling rubbish.
3. The device for cleaning floaters at the diversion port of the water channel according to claim 2, wherein: the fence (11) is an air bag, and a rope is fixed at the top end of the fence (11).
4. The device for cleaning floaters at the diversion port of the water channel according to claim 1, wherein: a garbage accommodating box with an opening at the upper part is arranged in the garbage collecting tank (1).
5. The device for cleaning floaters at the diversion port of the water channel as claimed in claim 4, wherein: the top end of the garbage accommodating box is provided with a lifting lug.
6. The device for cleaning floaters at the diversion port of the water channel according to claim 3, wherein: and hanging lugs for connecting ropes are arranged on two sides of the garbage collection tank (1).
7. The device for cleaning floaters at the diversion port of the water channel according to claim 1, wherein: the linkage structure is a helical blade (10), the helical blade (10) is coaxially connected between the driving wheels (8) in the two groups of transmission structures, and the helical blade (10) can drive the driving wheels (8) to rotate when rotating.
8. The device for cleaning floaters at the diversion port of the water channel according to claim 1, wherein: one end of the air inlet pipe (18) extending out of the water surface is provided with a rain cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811642061.2A CN109505289B (en) | 2018-12-29 | 2018-12-29 | Cleaning device for floaters at water diversion port of water channel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811642061.2A CN109505289B (en) | 2018-12-29 | 2018-12-29 | Cleaning device for floaters at water diversion port of water channel |
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| CN109505289A CN109505289A (en) | 2019-03-22 |
| CN109505289B true CN109505289B (en) | 2020-08-04 |
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| CN201811642061.2A Active CN109505289B (en) | 2018-12-29 | 2018-12-29 | Cleaning device for floaters at water diversion port of water channel |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453663B (en) * | 2019-07-23 | 2021-01-05 | 徐文霞 | Floater fishing equipment for sewage treatment |
| CN110800685A (en) * | 2019-11-01 | 2020-02-18 | 淮安信息职业技术学院 | Automatic ecological auxiliary device that breeds of washing formula |
| CN111663507B (en) * | 2020-06-29 | 2022-02-22 | 云南朗坤建筑工程有限公司 | Ditch floater cleaning device |
| CN115288096A (en) * | 2022-01-04 | 2022-11-04 | 王伟 | Sewage treatment plant that treatment effeciency is high |
| CN114575312B (en) * | 2022-03-03 | 2024-03-26 | 宋露露 | Sluice garbage interception anti-blocking device for hydraulic engineering |
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| CN201217795Y (en) * | 2008-06-20 | 2009-04-08 | 于容朴 | Collecting and processing system for floating pollutant on water surface |
| CN101725137A (en) * | 2009-11-04 | 2010-06-09 | 张鑫珩 | Amphibious type multi-functional floater salvaging device |
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| CN106759127A (en) * | 2016-12-26 | 2017-05-31 | 重庆集智创享工业设计有限公司 | Water channel intercepts cleaning plant |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BRPI1105005B1 (en) * | 2011-11-23 | 2014-03-11 | Dt Engenharia De Empreendimentos Ltda | Improvement in installation for removal of materials and / or pollutants contained in watercourses |
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| CN201217795Y (en) * | 2008-06-20 | 2009-04-08 | 于容朴 | Collecting and processing system for floating pollutant on water surface |
| CN101725137A (en) * | 2009-11-04 | 2010-06-09 | 张鑫珩 | Amphibious type multi-functional floater salvaging device |
| CN206034380U (en) * | 2016-08-13 | 2017-03-22 | 张琦 | Small -size river course trash rack |
| CN106759128A (en) * | 2016-12-26 | 2017-05-31 | 重庆集智创享工业设计有限公司 | Power station sluice way floater catching apparatus |
| CN106759127A (en) * | 2016-12-26 | 2017-05-31 | 重庆集智创享工业设计有限公司 | Water channel intercepts cleaning plant |
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