CN103015479A - Biological dredging platform and method - Google Patents
Biological dredging platform and method Download PDFInfo
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- CN103015479A CN103015479A CN2012105641883A CN201210564188A CN103015479A CN 103015479 A CN103015479 A CN 103015479A CN 2012105641883 A CN2012105641883 A CN 2012105641883A CN 201210564188 A CN201210564188 A CN 201210564188A CN 103015479 A CN103015479 A CN 103015479A
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Abstract
The invention relates to a biological dredging platform which comprises a ship body, a positioning pile, a driving cabin and a dredging device. The positioning pile comprises a front pile and a rear pile which are controlled by a corresponding electric winch and a steel rope to lift. The ship body is provided with a moveable trolley which drives the rear pile to move step by step. The dredging device is hinged on the front side of the ship body. A mud outlet of the dredging device is connected with a mud pump through a pipeline. The dredging device is controlled by the electric winch IV and the steel rope IV to lift. The platform further comprises side arms on both sides of the ship body. One end of the steel rope V is fixedly arranged on the dredging device while the other end of the steel rope V is connected with the electric winch V through a crown block on the side arm. The electric winch V and the steel rope V control the dredging device to swing. The biological dredging method provided by the invention mainly comprises the steps of: positioning; fan-shaped dredging operation; moving step by step; positioning; and fan-shaped dredging operation in a circulating manner. According to the invention, the dredging platform moves step by step, is precisely positioned and dredges continuously in a fan shape. The dredging process is environment-friendly and the dredging efficiency is high.
Description
Technical field
The present invention relates to water conservancy dredging technology field.Be specifically related to the ecological dredging technical field, relate in particular to the ecological dredging platform and position stepping and realize the method for desilting by this desilting platform.
Background technology
Desilting is that the mud with water environments such as river course, lake, ponds cuts, collects, extracts and is delivered to the locality and concentrates the sludge handling measure of processing from the bottom.Dredger is normally adopted in desilting for water environment, dredger is when work, because the working width of strand, suction silt is much larger than the beam, therefore, generally need detent mechanism, make about hull and to come and go fan shape moving and carry out dredging operation, at present, often by cast anchor location or adopt the hydraulic capstan stay cord to make the hull location, both sides, there is following shortcoming in this kind locate mode: the one, and the loaded down with trivial details and labor intensive of whole ship towage, the 2nd, practicality is relatively poor, particularly when the desilting water surface is larger, inconvenient or can't adopt the hydraulic capstan stay cord to make the hull location at all.In addition, existing dredger also is subject to the restriction of setting and the scope of operation, thereby desilting efficiency data is affected.
And from the angle of ecological dredging, traditional dredging, although dredging plant can be removed mud from the lake, river, but excavate, strand is inhaled etc. in traditional desilting mode, because the existence of rotary part, in the dredging operation process, unavoidably can cause the diffusion of mud in the water body, particularly the muck surface deadlocked layer that comprises a large amount of rich nutritive materials can distribute, thereby this part rich nutritive material of diffusion is difficult to be dug out with mud, like this then caused secondary pollution in the desilting process, so that the desilting process is not thorough, can't reach the purpose of ecological dredging, namely when removing pollutants in sediments to greatest extent, can also remove the rich nutritive material that is deposited on the river lake bottom, for the intervention of follow-up biotechnology creates conditions.
Summary of the invention
The applicant improves for above-mentioned shortcoming of the prior art, and a kind of ecological dredging platform and method are provided, and it can realize stepping, precise positioning and the continuous sector dredging operation of desilting platform, and the environmental protection of desilting process and desilting efficiency data are high.
Technical scheme of the present invention is as follows:
The present invention's ecological dredging platform comprises hull, guide pile, driving cabin and Accrete clearing device, and hull is catamaran hull, and is affixed by junction plate between the described catamaran hull; Guide pile comprises front and the rear stake of hull afterbody that is arranged on the hull front side, and front stake is by electric winch one and steel cable one control lifting; Rear stake is by electric winch two and steel cable two control liftings, and electric winch two is located on the locomotive, and rear stake is by buckle two clampings, and buckle two is affixed with locomotive, and locomotive is with roller, and roller cooperates with guide rail on the hull; Locomotive is mobile by electric winch three and steel cable three controls; Described Accrete clearing device comprises swing arm and desilting suction nozzle, and swing arm is hinged on the hull front side, and the mud mouth of described Accrete clearing device is connected by the import of slush pump on pipeline and the hull; Described Accrete clearing device is by electric winch four, support and steel cable four control liftings, and support is contained on the hull, and steel cable 41 ends are fixed on the described Accrete clearing device, are connected with electric winch four behind the fixed pulley on the other end pile warp support; The side arm that also comprises the hull both sides, side arm are fixed on the hull, and steel cable end on May Day is fixed on the described Accrete clearing device, and the fixed pulley on the other end pile warp side arm is connected with electric winch five.
Its further technical scheme is:
The quantity of described front stake is at least two, the quantity of electric winch one, steel cable one is corresponding with the quantity of front stake, and steel cable is held one by one and is fixed in the front stake, is connected with electric winch one behind the fixed pulley on the other end pile warp hull, buckle one is fixed in the hull front side, is used for the front stake of clamping.
Described steel cable 21 ends are fixed in the rear stake, are connected with electric winch two behind the fixed pulley on the other end pile warp locomotive.
Described steel cable three is after twisting on the electric winch three, and is affixed with the locomotive front side behind the fixed pulley on the end pile warp hull, is connected with rear stake behind the fixed pulley of other end pile warp hull afterbody.
On the described desilting suction nozzle protective cover is housed.
Between described protective cover and the desilting suction nozzle bearing is housed, the reamer gear wheel is housed on the protective cover.
Also be provided with fixed mount on the hull, steel cable 61 ends are connected with hull, and the other end is connected with the hull of fixed mount opposite side after passing rope hole, fixed mount upper end, and the steel cable end July 1st is fixed on the fixed mount, and the other end is connected with swing arm.
The present invention's ecological dredging method comprises following steps:
The first step is put the stake location to desilting platform: in the dredging operation position, put down front stake by electric winch one and steel cable one control, put down rear stake by electric winch two and steel cable two controls;
Second step is regulated described Accrete clearing device to the depth of implements position: transferred to the depth of implements position by electric winch four, support and the described Accrete clearing device of steel cable four controls;
The 3rd step, fan-shaped dredging operation: open slush pump, electric winch five, steel cable five coordinated by the hull both sides, draw described Accrete clearing device and carry out two phase swingings in the dredging operation position, in the sector that swings, described Accrete clearing device carries out dredging operation by the desilting suction nozzle, and the mud of collecting is delivered to assigned address by mud mouth by pipeline and slush pump;
The 4th step, the stepping of desilting platform: after finishing sector dredging operation, lift rear stake by electric winch two and steel cable two controls, moved by electric winch three and steel cable three control locomotives, locomotive drives rear the dredging operation distance of advancing, put down rear stake by electric winch two and steel cable two controls again, lift front stake by electric winch one and steel cable one control, stake is pushed ahead after relative with steel cable three control hulls by electric winch three, the distance that advances is the distance that rear stake is advanced, put down front stake, stepping and the location of then finishing desilting platform by electric winch one and steel cable one control again;
In the 5th step, repeat the 3rd fan-shaped dredging operation that goes on foot.
Its further technical scheme is:
Before described the 3rd step, lift front stake by electric winch one and steel cable one control first, then carry out fan-shaped dredging operation according to described the 3rd step, when described Accrete clearing device is rocked to extreme position, again by electric winch five, steel cable five coordinated of hull both sides, draw described desilting platform integral body in the dredging operation position after stake carry out two phase swingings for fulcrum, described Accrete clearing device carries out dredging operation in the sector of swing.
Technique effect of the present invention:
The present invention can realize stepping and the precise positioning of whole desilting platform by setting and the transportable structure design of rear stake of front stake and rear stake; The setting of steel cable five and electric winch five by described Accrete clearing device both sides, can realize the fan-shaped dredging operation of described Accrete clearing device, in the motionless situation in hull location, described Accrete clearing device is to carry out fan-shaped dredging operation with the pin joint of hull as fulcrum two phase swingings, stake is in the situation of fulcrum two phase swingings after whole desilting platform, described Accrete clearing device is along with fan-shaped dredging operation is carried out in the swing of whole desilting platform, fan-shaped dredging operation mode has increased the dredging operation face, has improved dredging operation efficient; Protective cover is provided with the reamer gear wheel, not only can prevent rubbish to the destruction of equipment, and the river bed mud layer is had certain precut effect, can improve desilting efficiency data; The present invention with electric energy as driving-energy, and with mechanical drive mode realization transmission, thereby avoided the fluid in traditional desilting mode to reveal the water pollution once again that causes, the simultaneously setting of protective cover, can when dredging operation, effectively reduce the impact that the rubbish in the river silt causes Accrete clearing device, strictly control secondary pollution, avoid back-silting, the environmental protection of desilting process meets the ecological dredging requirement.
Description of drawings
Fig. 1 is the structural representation of the present invention's ecological dredging platform.
Fig. 2 is the top view of Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
See Fig. 1, Fig. 2, the present invention's ecological dredging platform comprises hull 1, guide pile, driving cabin 25 and Accrete clearing device, and hull 1 is catamaran hull, and is affixed by junction plate 31 between the described catamaran hull; Guide pile comprises front 201 and the rear stake 202 of hull 1 afterbody that is arranged on hull 1 front side, front stake 201 is by electric winch 1 and steel cable one 4 control liftings, the quantity of front stake 201 is at least two, the quantity of electric winch 1, steel cable 1 is corresponding with the quantity of front stake 201, steel cable one 4 one ends are fixed in the front stake 201, be connected with electric winch 1 behind the fixed pulley on the other end pile warp hull 1, buckle 1 is fixed in hull 1 front side, is used for the front stake 201 of clamping; Rear stake 202 is by electric winch 26 and steel cable 27 control liftings, and steel cable 271 ends are fixed in the rear stake 202, are connected with electric winch 26 behind the fixed pulley on the other end pile warp locomotive 8; Electric winch 26 is located on the locomotive 8, and rear stake 202 is by buckle 29 clampings, and buckle 29 is affixed with locomotive 8, and locomotive 8 is with roller 10, and roller 10 cooperates with guide rail 11 on the hull 1; Locomotive 8 is mobile by electric winch 3 12 and steel cable 3 13 controls, and steel cable 3 13 is after twisting on the electric winch 3 12, and is affixed with locomotive 9 front sides behind the fixed pulley on the end pile warp hull 1, is connected with rear stake 202 behind the fixed pulley of other end pile warp hull 1 afterbody; Described Accrete clearing device comprises swing arm 14 and desilting suction nozzle 15, and swing arm 14 is hinged on hull 1 front side by cross coupler, and the mud mouth 16 of described Accrete clearing device is connected by the import of slush pump 17 on pipeline and the hull 1; Described Accrete clearing device is by electric winch 4 18, support 19 and steel cable 4 20 control liftings, and support 19 is contained on the hull 1, and steel cable 4 20 1 ends are fixed on the described Accrete clearing device, are connected with electric winch 4 18 behind the fixed pulley on the other end pile warp support 19; The side arm 21 that also comprises hull 1 both sides, side arm 21 are fixed on the hull 1, and steel cable 5 22 1 ends are fixed on the described Accrete clearing device, and the fixed pulley on the other end pile warp side arm 21 is connected with electric winch 5 23.
Preferably, protective cover 26 is housed on the desilting suction nozzle 15, between protective cover 26 and the desilting suction nozzle 15 bearing 27 is housed, reamer gear wheel 24 is housed on the protective cover 26, during dredging operation, protective cover 26 can effectively reduce the impact that the rubbish in the river silt causes described Accrete clearing device, strictly controls secondary pollution, avoid back-silting the environmental protection of desilting process; Protective cover 26 is provided with reamer gear wheel 24, not only can prevent rubbish to the destruction of equipment, and the river bed mud layer is had certain precut effect, can improve desilting efficiency data; Also be provided with fixed mount 28 on the hull 1, steel cable 6 29 1 ends are connected with hull 1, after the other end passes rope hole, fixed mount 28 upper ends, be connected with the hull 1 of fixed mount 28 opposite sides, steel cable 6 29 is used for fixing and supporting and mounting bracket 28, steel cable 7 30 1 ends are fixed on the fixed mount 28, and the other end is connected with swing arm 14, and steel cable 6 29, fixed mount 28 and steel cable 7 30 are connected to an integral body with hull 1 and described Accrete clearing device.
The present invention's ecological dredging platform can be controlled described Accrete clearing device doing two phase swingings with the pin joint of hull 1 as fulcrum by steel cable 5 22 and electric winch 5 23, thereby can be so that described Accrete clearing device carries out dredging operation in the sector that swings; Lift front stake 201, steel cable 6 29, fixed mount 28 and steel cable 7 30 are connected to an integral body with hull 1 and described Accrete clearing device, when described Accrete clearing device take with the pin joint of hull 1 as fulcrum when being rocked to extreme position, then pass through the draw of electric winch 5 23 and steel cable 5 22, stake 202 is done two phase swingings for fulcrum after can making whole desilting platform, thereby can realize that described Accrete clearing device carries out dredging operation in larger sector, thereby can further increase dredging operation face, raising operating efficiency; Setting by front stake 201 and rear stake 202 and rear stake 202 be structure design movably, can realize stepping and the precise positioning of whole desilting platform.
The present invention's ecological dredging method comprises following steps:
The first step is put the stake location to desilting platform: in the dredging operation position, put down front stake 201 by electric winch 1 and steel cable one 4 controls, put down rear stake 202 by electric winch 26 and steel cable 27 controls;
Second step is regulated described Accrete clearing device to the depth of implements position: transferred to the depth of implements position by electric winch 4 18, support 19 and the described Accrete clearing device of steel cable 4 20 controls;
The 3rd step, fan-shaped dredging operation: open slush pump 17, electric winch 5 23, steel cable 5 22 coordinated by hull 1 both sides, draw described Accrete clearing device and carry out two phase swingings in the dredging operation position, in the sector that swings, described Accrete clearing device carries out dredging operation by desilting suction nozzle 15, and the mud of collecting is delivered to assigned address by mud mouth 16 by pipeline and slush pump 17;
The 4th step, the stepping of desilting platform: after finishing sector dredging operation, lift rear stake 202 by electric winch 26 and steel cable 27 controls, moved by electric winch 3 12 and steel cable 3 13 control locomotives 8, locomotive 8 drives rear the 202 dredging operation distance of advancing, rear stake 202 distances of advancing are the diameter length of protective cover 26 on the desilting suction nozzle 15, put down rear stake 202 by electric winch 26 and steel cable 27 controls again, lift front stake 201 by electric winch 1 and steel cable one 4 controls, at this moment, rear stake 202 is the fulcrum of whole desilting platform, controlling hulls 1 relative rear stake 202 by electric winch 3 12 and steel cable 3 13 pushes ahead, the distance that advances is rear stake 202 distances of advancing, and puts down front stake 201, stepping and the location of then finishing desilting platform by electric winch 1 and steel cable one 4 controls again;
In the 5th step, repeat the 3rd fan-shaped dredging operation that goes on foot.
Particularly, the present invention's ecological dredging method also comprises following steps:
Before described the 3rd step, lift front stake 201 by electric winch 1 and steel cable one 4 controls first, then carry out fan-shaped dredging operation according to described the 3rd step, when described Accrete clearing device take with the pin joint of hull 1 as fulcrum when being rocked to extreme position, again by electric winch 5 23, steel cable 5 22 coordinated of hull 1 both sides, later on stake 202 is for fulcrum carries out two phase swingings in the dredging operation position to draw described desilting platform integral body, and described Accrete clearing device carries out dredging operation in the sector that described desilting platform swings.
Ecological dredging method by the present invention can be summarized as this dredging method that moves in circles of location-dredging operation-stepping-location-dredging operation, not only can make described desilting platform realize precise positioning and stepping, and can realize the fan-shaped dredging operation of described Accrete clearing device, in the motionless situation in hull 1 location, described Accrete clearing device is to carry out fan-shaped dredging operation with the pin joint of hull 1 as fulcrum two phase swingings, stake 202 is in the situation of fulcrum two phase swingings after whole desilting platform, described Accrete clearing device is along with fan-shaped dredging operation is carried out in the swing of whole desilting platform, fan-shaped dredging operation mode has increased the dredging operation face, has improved dredging operation efficient.
More than describing is explanation of the invention, is not that limited range of the present invention within protection scope of the present invention, can be done any type of modification referring to claim to the restriction of invention.
Claims (9)
1. the ecological dredging platform comprises hull (1), guide pile, driving cabin (25) and Accrete clearing device, and it is characterized in that: hull (1) is catamaran hull, and is affixed by junction plate (31) between the described catamaran hull; Guide pile comprises front (201) and the rear stake (202) of hull (1) afterbody that is arranged on hull (1) front side, and front stake (201) is by electric winch one (3) and steel cable one (4) control lifting; Rear stake (202) is by electric winch two (6) and steel cable two (7) control liftings, electric winch two (6) is located on the locomotive (8), rear stake (202) is by buckle two (9) clampings, buckle two (9) is affixed with locomotive (8), locomotive (8) is with roller (10), and roller (10) cooperates with guide rail (11) on the hull (1); Locomotive (8) is mobile by electric winch three (12) and steel cable three (13) controls; Described Accrete clearing device comprises swing arm (14) and desilting suction nozzle (15), and swing arm (14) is hinged on hull (1) front side, and the mud mouth of described Accrete clearing device (16) is connected by the import of pipeline with the upper slush pump (17) of hull (1); Described Accrete clearing device is by electric winch four (18), support (19) and steel cable four (20) control liftings, support (19) is contained on the hull (1), steel cable four (20) one ends are fixed on the described Accrete clearing device, are connected with electric winch four (18) behind the fixed pulley on the other end pile warp support (19); The side arm (21) that also comprises hull (1) both sides, side arm (21) are fixed on the hull (1), and steel cable five (22) one ends are fixed on the described Accrete clearing device, and the fixed pulley on the other end pile warp side arm (21) is connected with electric winch five (23).
2. by ecological dredging platform claimed in claim 1, it is characterized in that: the quantity of described front stake (201) is at least two, the quantity of electric winch one (3), steel cable one (4) is corresponding with the quantity of front stake (201), steel cable one (4) one end is fixed in the front stake (201), be connected with electric winch one (3) behind the fixed pulley on the other end pile warp hull (1), buckle one (5) is fixed in hull (1) front side, is used for the front stake of clamping (201).
3. by ecological dredging platform claimed in claim 1, it is characterized in that: described steel cable two (7) one ends are fixed in the rear stake (202), are connected with electric winch two (6) behind the fixed pulley on the other end pile warp locomotive (8).
4. by ecological dredging platform claimed in claim 1, it is characterized in that: described steel cable three (13) is after twisting on the electric winch three (12), affixed with locomotive (9) front side behind the fixed pulley on the one end pile warp hull (1), be connected with rear stake (202) behind the fixed pulley of other end pile warp hull (1) afterbody.
5. by ecological dredging platform claimed in claim 1, it is characterized in that: protective cover (26) is housed on the described desilting suction nozzle (15).
6. by ecological dredging platform claimed in claim 5, it is characterized in that: between described protective cover (26) and the desilting suction nozzle (15) bearing (27) is housed, reamer gear wheel (24) is housed on the protective cover (26).
7. by ecological dredging platform claimed in claim 1, it is characterized in that: also be provided with fixed mount (28) on the hull (1), steel cable six (29) one ends are connected with hull (1), after the other end passes rope hole, fixed mount (28) upper end, be connected with the hull (1) of fixed mount (28) opposite side, steel cable seven (30) one ends are fixed on the fixed mount (28), and the other end is connected with swing arm (14).
8. the ecological dredging method is characterized in that, comprises following steps:
The first step is put the stake location to desilting platform: in the dredging operation position, put down front stake (201) by electric winch one (3) and steel cable one (4) control, put down rear stake (202) by electric winch two (6) and steel cable two (7) controls;
Second step is regulated described Accrete clearing device to the depth of implements position: transferred to the depth of implements position by electric winch four (18), support (19) and the described Accrete clearing device of steel cable four (20) controls;
The 3rd step, fan-shaped dredging operation: open slush pump (17), electric winch five (23), steel cable five (22) coordinated by hull (1) both sides, draw described Accrete clearing device and carry out two phase swingings in the dredging operation position, in the sector that swings, described Accrete clearing device carries out dredging operation by desilting suction nozzle (15), and the mud of collecting is delivered to assigned address by mud mouth (16) by pipeline and slush pump (17);
The 4th step, the stepping of desilting platform: after finishing sector dredging operation, lift rear stake (202) by electric winch two (6) and steel cable two (7) controls, mobile by electric winch three (12) and steel cable three (13) control locomotives (8), stake (202) the dredging operation distance of advancing after locomotive (8) drives, put down rear stake (202) by electric winch two (6) and steel cable two (7) controls again, lift front stake (201) by electric winch one (3) and steel cable one (4) control, stake (202) is pushed ahead after relative with steel cable three (13) control hulls (1) by electric winch three (12), the distance that advances is the distance that rear stake (202) is advanced, put down front stake (201), stepping and the location of then finishing desilting platform by electric winch one (3) and steel cable one (4) control again;
In the 5th step, repeat the 3rd fan-shaped dredging operation that goes on foot.
9. by ecological dredging method claimed in claim 8, it is characterized in that: before described the 3rd step, lift front stake (201) by electric winch one (3) and steel cable one (4) control first, then carry out fan-shaped dredging operation according to described the 3rd step, when described Accrete clearing device is rocked to extreme position, again by electric winch five (23), steel cable five (22) coordinated of hull (1) both sides, draw described desilting platform integral body in the dredging operation position after the stake (202) carry out two phase swingings for fulcrum, described Accrete clearing device the swing sector in carry out dredging operation.
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| CN201210564188.3A CN103015479B (en) | 2012-12-24 | 2012-12-24 | Biological dredging platform and method |
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| CN201210564188.3A CN103015479B (en) | 2012-12-24 | 2012-12-24 | Biological dredging platform and method |
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| CN103015479B CN103015479B (en) | 2014-12-10 |
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| CN103332271A (en) * | 2013-07-17 | 2013-10-02 | 葛洲坝集团基础工程有限公司 | Advancing type floating platform for sand blowing |
| CN103332271B (en) * | 2013-07-17 | 2015-11-25 | 葛洲坝集团基础工程有限公司 | A kind of blast is used can travelling floating platform |
| CN104047322A (en) * | 2013-11-27 | 2014-09-17 | 卜建余 | Double-bucket-wheel type underwater sludge suction silt remover |
| CN104047323A (en) * | 2013-11-27 | 2014-09-17 | 卜建余 | Roll-suction type dredging head for dredging ship |
| CN104047326A (en) * | 2013-11-27 | 2014-09-17 | 卜建余 | Wheel type trolley for dredging ship |
| CN104058067A (en) * | 2013-11-27 | 2014-09-24 | 卜建余 | Water surface positioning device for underwater sludge suction dredging boat |
| CN105421516A (en) * | 2013-11-27 | 2016-03-23 | 卜建余 | Double bucket-wheel underwater silt-suction silt remover |
| CN105464160A (en) * | 2013-11-27 | 2016-04-06 | 卜建余 | Double-bucket-wheel type underwater mud suction silt remover |
| CN103912032A (en) * | 2014-04-28 | 2014-07-09 | 中交疏浚技术装备国家工程研究中心有限公司 | Sweeping and suction desilting machine for floating sludge and flowing sludge of drinking water reservoir and desilting method thereof |
| CN104060639A (en) * | 2014-06-25 | 2014-09-24 | 卜建余 | Underwater sludge suction dredging machine and dredging method |
| CN104250983A (en) * | 2014-09-19 | 2014-12-31 | 卜建余 | Rolling suction type silt removing head for silt removers |
| CN104859798A (en) * | 2015-04-01 | 2015-08-26 | 广西建工集团第五建筑工程有限责任公司 | Moving and positioning method for dredging construction of cutter suction dredger |
| CN106193169A (en) * | 2016-08-22 | 2016-12-07 | 中交天航港湾建设工程有限公司 | A kind of cutter suction dredger near limit digs deep construction method |
| CN109208681A (en) * | 2017-06-30 | 2019-01-15 | 中洁惠能科技（北京）有限公司 | A kind of positioning device |
| CN110082786B (en) * | 2018-01-25 | 2024-02-27 | 天津市水利科学研究院 | Real-time monitoring system for dredging effect of small dredging ship with rigid mechanical arm |
| CN110082786A (en) * | 2018-01-25 | 2019-08-02 | 天津市水利科学研究院 | A kind of Rigid Robot Manipulator small silt-cleaning vessel dredging effect real-time monitoring system |
| CN108166556A (en) * | 2018-02-07 | 2018-06-15 | 广州市昊力工具有限公司 | Reducing mechanism and the dredger with reducing mechanism |
| CN108385759A (en) * | 2018-02-07 | 2018-08-10 | 广州市昊力工具有限公司 | The dry mud ship of dredging |
| CN108331052A (en) * | 2018-02-27 | 2018-07-27 | 宁波弘海众创空间服务有限公司 | A kind of suction mud system of energy saving and environment friendly undisturbed soil hydraulic suction dredge |
| CN108316377A (en) * | 2018-02-27 | 2018-07-24 | 宁波弘海众创空间服务有限公司 | A kind of suction head system of energy saving and environment friendly undisturbed soil hydraulic suction dredge |
| CN108331052B (en) * | 2018-02-27 | 2020-11-06 | 浙江省围海建设集团股份有限公司 | Mud suction system of energy-saving and environment-friendly undisturbed soil suction dredger |
| CN108222102B (en) * | 2018-02-27 | 2021-06-18 | 浙江省围海建设集团股份有限公司 | Energy-concerving and environment-protective type original state soil inhales mud system |
| CN108222102A (en) * | 2018-02-27 | 2018-06-29 | 宁波弘海众创空间服务有限公司 | A kind of energy saving and environment friendly undisturbed soil inhales mud system |
| CN109113119A (en) * | 2018-08-24 | 2019-01-01 | 王晓冬 | A kind of hydropower station tail water dredging method |
| CN110131522A (en) * | 2019-06-05 | 2019-08-16 | 云南明湖环境科技有限公司 | Sewage conduct walks robot and sewage conduit desilting system |
| CN110131522B (en) * | 2019-06-05 | 2023-12-15 | 云南明湖环境科技有限公司 | Sewage pipeline walking robot and sewage pipeline dredging system |
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