CN110656671A - Inland river mud blowing boat - Google Patents
Inland river mud blowing boat Download PDFInfo
- Publication number
- CN110656671A CN110656671A CN201910769070.6A CN201910769070A CN110656671A CN 110656671 A CN110656671 A CN 110656671A CN 201910769070 A CN201910769070 A CN 201910769070A CN 110656671 A CN110656671 A CN 110656671A
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- CN
- China
- Prior art keywords
- mud
- ship
- flushing
- pump
- inland river
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- 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.)
- Withdrawn
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- 238000007664 blowing Methods 0.000 title claims abstract description 16
- 238000011010 flushing procedure Methods 0.000 claims abstract description 84
- 239000003643 water by type Substances 0.000 claims abstract 2
- 230000008859 change Effects 0.000 claims description 5
- 239000002689 soil Substances 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000010802 sludge Substances 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/8833—Floating installations
- E02F3/885—Floating installations self propelled, e.g. ship
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/92—Digging elements, e.g. suction heads
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
- E02F5/287—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways with jet nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B2035/002—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for inland waters, e.g. for use on canals or rivers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to an inland river mud-blowing boat, which is used for carrying out mud-blowing operation in inland river waters and comprises: the system comprises a diesel generator set, a distribution board, a frequency converter, a mud pump motor, a flushing pump motor, a propelling motor, a mud pump, a flushing pump, a mud sucking device, a flushing device, a propeller, a positioning pile and a ship moving winch; the invention can sail by itself without depending on the tug, and is flexible and convenient to use; and (3) adopting full electric drive: the ship power station consisting of the diesel generating set and the power distribution device provides power for ship propulsion and all power equipment and devices, a single generator fails, the operation of the ship is not influenced, and the mud pump and the flushing pump are driven by electric power, so that the stability and the reliability of the operation are improved; the novel mud blowing and flushing device has efficient and flexible operation, and the mud sucking device and the flushing device are retracted into the ship board during navigation and are not influenced by the height limit of an inland waterway; the self-positioning of the ship and the movement of the ship carried by the muck are completed by equipment arranged on the ship, so that the ship is not influenced by the outside and has wide operation range; the ship is compact and reasonable in arrangement, advanced in technology, safe, reliable, high in automation degree, good in economic benefit and good in market popularization prospect.
Description
Technical Field
The invention relates to an inland river dredger, in particular to an inland river dredger with a ship-type optimized dredger, which has self-navigation capability, changes a driving mode and changes a mud sucking and flushing operation device to improve the operation efficiency and the operation capability of the whole dredger.
Background
The existing inland river dredger is generally non-self-propelled, a diesel engine drives a dredge pump and a flushing pump, and the dredge and flushing operation is carried out through a hanging bracket device.
The inland river dredger with the structure lacks of maneuverability, and the operation of the hanger device is not flexible. Influenced by navigation limit, low productivity and most of the output less than 300m3H is used as the reference value. And the diesel engine driving the mud pump and the flushing pump is directly arranged on the deck, so that the occupied area of the deck is large, and the vibration noise is large. The mud pump and the flushing pump driven by the diesel engine have low stability and reliability.
Of course, some inland river mud-blowing ships adopt shore power to drive a mud pump and a flushing pump to blow mud. The inland river dredger is greatly influenced by external conditions, has a single operation place, and has the advantage that dredging operation must be carried out in a place with shore power.
In addition, the traditional mud sucking and flushing device adopts a hanging bracket or a derrick mast mode, cannot rotate, can only swing up and down, occupies a large space on a deck, is larger due to large capacity, and cannot meet the requirement of navigation limit height.
Disclosure of Invention
In view of the above problems, it is a primary object of the present invention to provide a dredger with an optimized hull form, which has self-propulsion capability, changes driving modes, and changes sludge suction and flushing operation devices to improve the operation efficiency and operation capability of the whole dredger.
The invention solves the technical problems through the following technical scheme: an inland river dredger for dredging operations in an inland river basin, the inland river dredger comprising: the system comprises a diesel generating set, a distribution board, a frequency converter, a mud pump motor, a flushing pump motor, a propelling motor, a mud pump, a flushing pump, a mud sucking device, a flushing device, a propeller, a positioning pile and a ship moving winch.
The diesel generator set, the distribution board, the frequency converter, the dredge pump motor, the flushing pump motor, the propulsion motor, the dredge pump and the flushing pump are all arranged in the cabin.
The mud suction device and the flushing device are arranged in the fore-and-aft direction of the ship length, and are respectively installed on the deck through the rotary support.
The ship moving winch comprises a plurality of winches which are all arranged on the deck.
The positioning piles comprise two positioning piles which are respectively and rotatably arranged at the bow and the stern of the inland river dredger.
The diesel generator set distributes power to the frequency converter through the distribution board, and the frequency converter transmits the power to the mud pump motor, the flushing pump motor and the propulsion motor; the mud pump motor is connected with the mud pump, and the mud pump is connected with the mud suction device through a mud pipe; the flushing pump motor is connected with the flushing pump, and the flushing pump is connected with the flushing device through a flushing pipe.
When in navigation, the diesel generator set is the main power of the whole system; the diesel generator set distributes power to the frequency converter through the distribution board, the frequency converter transmits the power to the propulsion motor, and the propulsion motor drives the propeller through the speed change gear box and the shafting.
The positioning of the inland river mud blowing boat is realized by positioning piles, and the movement of the moored slag soil transport boat is realized by a boat moving winch arranged on the inland river mud blowing boat.
In an embodiment of the invention, a first support rod is arranged between the rotary support of the sludge suction device and the sludge suction device, and a second support rod is arranged between the rotary support of the flushing device and the flushing device.
In the concrete implementation example of the invention, the sludge suction device and the flushing device are amplitude-variable devices.
In a specific embodiment of the invention, a first oil cylinder is arranged between a rotary support of a mud suction device and a mud suction arm support, and a second oil cylinder is arranged between the mud suction arm support and a mud suction head arm support and is used for realizing the function of swinging a mud suction port up and down; a third oil cylinder is arranged between the rotary support of the flushing device and the flushing arm support, and a fourth oil cylinder is arranged between the flushing arm support and the flushing head arm support.
In the concrete implementation example of the invention, two positioning piles are respectively and rotatably arranged at the opposite angles of the bow and the stern of the inland river dredger.
In the concrete implementation example of the invention, two ship-moving winches are arranged in the middle area of the river dredger, and the movement of the residue transport ship during operation is carried out through the ship-moving winches on the ship.
The positive progress effects of the invention are as follows: the inland river dredger provided by the invention has the following advantages: the inland river dredger provided by the invention is an automatic dredger, can sail automatically without depending on a tugboat, and is flexible and convenient to use; and (3) adopting full electric drive: the ship power station consisting of the diesel generating set and the power distribution device provides power for ship propulsion and all power equipment and devices, a single generator fails, the operation of the ship is not influenced, and the mud pump and the flushing pump are driven by electric power, so that the stability and the reliability of the operation are improved; the novel mud blowing and flushing device has efficient and flexible operation, and the mud sucking device and the flushing device are retracted into the ship board during navigation and are not influenced by the height limit of an inland waterway; improving work output to 500m by changing ship shape and device3H; the self-positioning of the ship and the movement of the ship carried by the muck are completed by equipment arranged on the ship, so that the ship is not influenced by the outside and has wide operation range; the ship is compact and reasonable in arrangement, advanced in technology, safe, reliable, high in automation degree, good in economic benefit and good in market popularization prospect.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a schematic view of the inside of the cabin of the present invention.
The following are the names corresponding to the reference numbers in the invention:
the device comprises a diesel generator set 1, a distribution board 2, a frequency converter 3, a mud pump motor 4, a flushing pump motor 5, a propelling motor 6, a mud pump 7, a flushing pump 8, a mud sucking device 9, a flushing device 10, a propeller 11, a rotary support 12 of the mud sucking device, a first support rod 13, a rotary support 14 of the flushing device, a second support rod 15, a positioning pile 16 and a ship moving winch 17.
Detailed Description
The following provides a detailed description of the preferred embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 is a front view of the present invention, fig. 2 is a plan view of the present invention, and fig. 3 is a schematic view of the inside of the cabin of the present invention. As shown in fig. 1-3: the inland river mud-blowing ship provided by the invention comprises a diesel generator set 1, wherein the diesel generator set 1 distributes power to a frequency converter 3 through a distribution board 2, and the frequency converter 3 transmits the power to a mud pump motor 4, a flushing pump motor 5 and a propulsion motor 6; the dredge pump motor 4 is connected with a dredge pump 7, and the dredge pump 7 is connected with a dredge device 9 through a dredge pipe; the flush pump motor 5 is connected to a flush pump 8, and the flush pump 8 is connected to a flush device 10 via a flush pipe. The inland river dredger is driven by full electric power: the ship power station composed of diesel generator set and power distribution device can provide power for ship propulsion and all power equipment and devices, and the operation of the ship is not affected when a single generator breaks down. The mud pump and the flushing pump are driven by electric power, so that the stability and the reliability of operation are improved.
The diesel generator set 1, the dredge pump 7, the dredge pump motor 4, the flushing pump 8 and the flushing pump motor 5 are uniformly distributed in the cabin, and the available area of a deck is increased. The mud suction device 9 and the flushing device 10 are arranged on the deck, and the mud suction device 9 and the flushing device 10 on the deck perform mud suction operation after flushing and diluting the residue soil in the close-berthing residue soil transport ship cabin.
The sludge suction device 9 and the flushing device 10 are arranged in the fore-and-aft direction of the ship length, the sludge suction device 9 and the flushing device 10 are respectively installed on a deck through rotating supports, a first support rod 13 is arranged between the rotating support 12 of the sludge suction device and the sludge suction device 9, and a second support rod 15 is arranged between the rotating support 14 of the flushing device and the flushing device 10. The sludge suction and flushing device is designed optimally, can rotate, can swing up and down, can change amplitude, occupies small space, and meets the requirement of 4.5m of the limit height of a C-level inland river navigation area after recovery. When the ship is in self-navigation, the ship can be recovered to the ship board. During operation, the production capacity is increased to 500m3And/h, has good economic benefit.
Through the optimization of the ship type and the arrangement, the ship has self-navigation capability and can navigate in the navigation area of inland river A, B, C level.
When in navigation, the diesel generator set 1 is the main power of the whole system; the diesel generator set 1 distributes power to the frequency converter 3 through the distribution board 2, the frequency converter transmits the power to the propulsion motor 6, and the propulsion motor 6 drives the propeller 11 through the speed change gear box and the shafting.
The positioning of the ship is performed by a positioning pile 16, and the movement of the moored slag transport ship is performed by a ship moving winch 17 arranged on the ship.
The novel inland river mud-blowing ship is a self-propelled ship, selects an electric driving mode, and is provided with a set of rotary amplitude-variable mud sucking and flushing device on one side of the ship. Several typical features of the invention are as follows:
1. self-propelled: through the optimization of the ship type and the arrangement, the ship has self-navigation capability and can navigate in the navigation area of inland river A, B, C level.
2. Full electric drive: the ship is propelled to the ship by a ship power station consisting of a diesel generating set and a power distribution device, all power equipment and devices provide power, and a single generating set breaks down, so that the operation of the ship is not influenced, and the reliability is improved. The generator set, the dredge pump motor, the water pump and the water pump motor are uniformly distributed in the cabin, and the available area of the deck is increased.
3. Rotatory amplitude-variable mud and bath device: the traditional mud sucking and flushing device adopts a hanging bracket or a derrick mast mode, can not rotate, can only swing up and down, occupies a large space on a deck, is larger in large-capacity device, and can not meet the requirement of navigation limit. The mud sucking and flushing device for the ship is rotatable through optimized design, can swing up and down, can also change the amplitude, occupies small space, and meets the requirement of 4.5m height limit of a C-level inland river navigation area after recovery. When the ship is in self-navigation, the ship can be recovered to the ship board. During operation, the production capacity is increased to 500m3/h。
4. Rotatory amplitude-variable mud and bath device: the sludge suction device and the water flushing device are arranged in the front and back direction of the ship length direction, and are respectively arranged on the deck through rotating supports, a first oil cylinder is arranged between the rotating support of the sludge suction device and a sludge suction arm support, and a second oil cylinder is arranged between the sludge suction arm support and a sludge suction head arm support and is used for realizing the function of up-and-down swinging of a sludge suction port; a third oil cylinder is arranged between the rotary support of the flushing device and the flushing arm support, and a fourth oil cylinder is arranged between the flushing arm support and the flushing head arm support.
5. The boom structure mud pipe of the rotary amplitude-variable mud suction device can rotate around a hinge point under the driving of an oil cylinder, and the mud pipe at the hinge point is connected through a rubber hose.
6. The rotary support of the rotary amplitude-variable type mud suction device is driven by a hydraulic motor to rotate and support. A rotary platform is arranged above the rotary support, and a mud pipe and an oil cylinder of a mud suction arm frame structure are arranged on the platform.
7. The arm frame structure flushing pipe of the rotary amplitude-variable flushing device can rotate around a hinge point under the driving of an oil cylinder, and the flushing pipe at the hinge point is connected through a rubber hose.
8. The front section of the flushing device has a larger amplitude angle, the rotary joint is adopted to realize amplitude, the rest hinge points are still soft by rubber, and a water spray opening of the flushing device is provided with a linear hinge mechanism arm driven by an oil cylinder (two linear hinge arms are connected by a pin shaft to form a mechanism capable of swinging in a plane at a certain angle, and the action of the mechanism is controlled by the oil cylinder) so as to realize the function of swinging the water spray opening up and down and left and right.
9. Positioning a positioning pile: the positioning piles are arranged at the head and the tail of the ship respectively and are arranged diagonally, during operation, the positioning piles are vertically inserted into the river bottom, and during navigation, the positioning piles are laid down and flatly placed in the ship board.
10. Is moved by the ship: the two ship moving winches are arranged in the middle area of the ship, the movement of the muck transport ship is carried out through the ship moving winches on the ship during operation, the ship moving equipment is arranged on the mud blowing ship, the use of the muck transport ships with different sizes can be met, and the operation can be moved without being influenced by related equipment of the muck transport ship.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.
Claims (6)
1. The utility model provides an inland river mud blowing ship for blow the mud operation in inland river waters, its characterized in that: the inland river dredger comprises: the system comprises a diesel generator set, a distribution board, a frequency converter, a mud pump motor, a flushing pump motor, a propelling motor, a mud pump, a flushing pump, a mud sucking device, a flushing device, a propeller, a positioning pile and a ship moving winch;
the diesel generator set, the distribution board, the frequency converter, the dredge pump motor, the flushing pump motor, the propulsion motor, the dredge pump and the flushing pump are uniformly distributed in the cabin;
the mud suction device and the flushing device are arranged in front and at back along the ship length direction, and are respectively arranged on the deck through rotary supports;
the ship moving winch comprises a plurality of winches which are arranged on the deck;
the positioning piles comprise two positioning piles which are respectively and rotatably arranged at the bow and the stern of the inland river dredger;
the diesel generator set distributes power to the frequency converter through the distribution board, and the frequency converter transmits the power to the mud pump motor, the flushing pump motor and the propulsion motor; the mud pump motor is connected with the mud pump, and the mud pump is connected with the mud suction device through a mud pipe; the flushing pump motor is connected with the flushing pump, and the flushing pump is connected with the flushing device through a flushing pipe;
when in navigation, the diesel generator set is the main power of the whole system; the diesel generator set distributes power to the frequency converter through the distribution board, the frequency converter transmits the power to the propulsion motor, and the propulsion motor drives the propeller through the speed change gear box and the shafting;
the positioning of the inland river mud blowing boat is realized by positioning piles, and the movement of the moored slag soil transport boat is realized by a boat moving winch arranged on the inland river mud blowing boat.
2. A inland river dredger according to claim 1, characterized in that: a first support rod is arranged between the rotary support of the mud suction device and the mud suction device, and a second support rod is arranged between the rotary support of the flushing device and the flushing device.
3. A inland river dredger according to claim 1, characterized in that: the mud sucking device and the flushing device are amplitude variable devices.
4. A inland river dredger according to claim 1, 2 or 3, characterized in that: a first oil cylinder is arranged between a rotary support of the mud suction device and a mud suction arm support, and a second oil cylinder is arranged between the mud suction arm support and a mud suction head arm support and is used for realizing the function of swinging the mud suction port up and down; a third oil cylinder is arranged between the rotary support of the flushing device and the flushing arm support, and a fourth oil cylinder is arranged between the flushing arm support and the flushing head arm support.
5. A inland river dredger according to claim 1, characterized in that: the two positioning piles are respectively and rotatably arranged at the opposite angle positions of the bow and the stern of the inland river dredger.
6. A inland river dredger according to claim 1, characterized in that: two ship moving winches are arranged in the middle area of the inland river mud blowing ship, and the movement of the muck transport ship during operation is carried out through the ship moving winches on the ship.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910769070.6A CN110656671A (en) | 2019-08-20 | 2019-08-20 | Inland river mud blowing boat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910769070.6A CN110656671A (en) | 2019-08-20 | 2019-08-20 | Inland river mud blowing boat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110656671A true CN110656671A (en) | 2020-01-07 |
Family
ID=69037601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910769070.6A Withdrawn CN110656671A (en) | 2019-08-20 | 2019-08-20 | Inland river mud blowing boat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110656671A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2007528C1 (en) * | 1991-02-05 | 1994-02-15 | Шеховцов Иван Иванович | Suction-tube dredger |
| CN202248000U (en) * | 2011-07-22 | 2012-05-30 | 浙江省疏浚工程股份有限公司 | Inland river high-efficiency environment-friendly dredging boat |
| CN102991647A (en) * | 2012-11-19 | 2013-03-27 | 林志国 | Rotary overhead mass-flow displacement vessel |
| CN202863752U (en) * | 2012-10-23 | 2013-04-10 | 上海航盛船舶设计有限公司 | Drag suction dredger power device |
| CN204252192U (en) * | 2014-11-11 | 2015-04-08 | 浙江省疏浚工程有限公司 | Multifunctional river channel dredger |
| CN204979204U (en) * | 2015-08-31 | 2016-01-20 | 上海航盛船舶设计有限公司 | Inland water transport ship |
| CN210887375U (en) * | 2019-08-20 | 2020-06-30 | 上海航盛船舶设计有限公司 | Inland river mud blowing boat |
-
2019
- 2019-08-20 CN CN201910769070.6A patent/CN110656671A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2007528C1 (en) * | 1991-02-05 | 1994-02-15 | Шеховцов Иван Иванович | Suction-tube dredger |
| CN202248000U (en) * | 2011-07-22 | 2012-05-30 | 浙江省疏浚工程股份有限公司 | Inland river high-efficiency environment-friendly dredging boat |
| CN202863752U (en) * | 2012-10-23 | 2013-04-10 | 上海航盛船舶设计有限公司 | Drag suction dredger power device |
| CN102991647A (en) * | 2012-11-19 | 2013-03-27 | 林志国 | Rotary overhead mass-flow displacement vessel |
| CN204252192U (en) * | 2014-11-11 | 2015-04-08 | 浙江省疏浚工程有限公司 | Multifunctional river channel dredger |
| CN204979204U (en) * | 2015-08-31 | 2016-01-20 | 上海航盛船舶设计有限公司 | Inland water transport ship |
| CN210887375U (en) * | 2019-08-20 | 2020-06-30 | 上海航盛船舶设计有限公司 | Inland river mud blowing boat |
Non-Patent Citations (1)
| Title |
|---|
| 马爱军: "吹泥船在当前河道疏浚工程中应用与展望", 中国水运, vol. 38, no. 7, 31 July 2017 (2017-07-31), pages 46 * |
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Application publication date: 20200107 |