CN112411653A - Dredge antifouling diffusion equipment - Google Patents
Dredge antifouling diffusion equipment Download PDFInfo
- Publication number
- CN112411653A CN112411653A CN202011344161.4A CN202011344161A CN112411653A CN 112411653 A CN112411653 A CN 112411653A CN 202011344161 A CN202011344161 A CN 202011344161A CN 112411653 A CN112411653 A CN 112411653A
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- CN
- China
- Prior art keywords
- fouling
- holes
- antifouling
- guide
- dredging
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Classifications
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- 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
- 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
Abstract
The invention discloses a dredging antifouling diffusion device, which comprises: at least one spud pile, antifouling subassembly and at least one sharp driving piece, the spud pile is vertical to be fixed in ground, antifouling subassembly includes the horizontal pole, at least one bubble curtain takes place the pipe, geotechnological cloth and counterweight, but horizontal pole sliding connection is in the spud pile, bubble curtain takes place union coupling in the horizontal pole, geotechnological cloth is connected in the horizontal pole and is set up in the below of horizontal pole, counterweight fixed connection is in geotechnological cloth and along the edge setting of geotechnological cloth, sharp driving piece is fixed in spud pile and its output shaft in horizontal pole, be used for driving the horizontal pole, bubble curtain takes place the pipe, geotechnolog. The invention can solve the problems of inconvenient use and poor effect of the existing dredging antifouling device.
Description
Technical Field
The invention relates to the technical field of dredging antifouling, in particular to a dredging antifouling diffusion device.
Background
The dredging engineering is mainly an engineering for excavating sand, stones and the like in water areas around ports or channels, and aims to improve the water area conditions of the ports and the channels. However, during dredging, digging and mud throwing, turbid water and suspended substances are generated, and the diffusion of the turbid water and the suspended substances can damage surrounding water areas, influence the ecological environment and cause secondary pollution of dredging.
The geotextile is used as a common device for preventing suspended substance pollution diffusion, and the device can effectively isolate a construction water area from the outside, thereby preventing turbid water and suspended substances from diffusing in a large area. However, there are some problems, such as: in order to facilitate the entering and exiting of a construction ship, the antifouling curtain cannot be completely sealed, so that the antifouling effect is poor. The bubble curtain is a novel antifouling device, which can prevent fouling and simultaneously does not influence the entering and exiting of a working ship, but cannot be used for antifouling diffusion for a long time due to poor antifouling performance.
Thus, the existing dredging antifouling device has the problem of poor antifouling diffusion effect.
Disclosure of Invention
In view of the above, there is a need to provide a dredging anti-fouling diffusion apparatus, which solves the technical problem in the prior art that the dredging anti-fouling diffusion apparatus may have a poor anti-fouling diffusion effect.
In order to achieve the above technical object, a technical solution of the present invention provides an antifouling dredging diffuser, including:
at least one spud, the spud being vertically fixed to the ground;
the anti-fouling assembly comprises a cross bar, at least one bubble curtain generating pipe, geotextile and a counterweight, wherein the cross bar is slidably connected with the positioning pile, the bubble curtain generating pipe is connected with the cross bar, the geotextile is connected with the cross bar and arranged below the cross bar, and the counterweight is fixedly connected with the geotextile and arranged along the edge of the geotextile;
at least one linear driving piece, linear driving piece is fixed in spud pile and its output shaft connect in the horizontal pole is used for the drive horizontal pole, bubble curtain generating tube, geotechnological cloth and weight member remove along vertical direction.
Furthermore, the dredging anti-fouling diffusion device comprises two positioning piles which are arranged in parallel and at intervals and are fixedly inserted into the underwater ground.
Further, antifouling subassembly includes two bubble generating tubes, bubble curtain generating tube set up in the top of horizontal pole and with the horizontal pole is parallel to each other.
Further, the dredging anti-fouling diffusion device comprises two linear driving pieces, the linear driving pieces are arranged in one-to-one correspondence with the positioning piles, each linear driving piece comprises two fixing plates, two first supports, a ball screw, two guide rods, a sliding block and a driving piece, the two fixing plates are connected to two ends of each positioning pile, the first supports are fixedly connected to the fixing plates, each first support is provided with a first through hole, each ball screw comprises a screw rod and a first nut, two ends of each screw rod are respectively inserted into the first through holes and rotatably connected to the first supports, the first nuts are sleeved on the screw rods in a matching manner, the two guide rods are arranged in parallel, two ends of each guide rod are respectively connected to the two fixing plates, the sliding block is provided with at least two guide holes corresponding to the two guide rods, and the guide holes are arranged in one-to-one correspondence with the guide rods, the slider is slidably sleeved on the guide rod through the guide hole and connected to the first nut, and the slider is connected to the cross rod.
Furthermore, two ends of the positioning pile are respectively provided with two grooves along the circumferential direction thereof, the linear driving element further comprises four U-shaped buckles, four second nuts, four guide blocks and four third nuts, the U-shaped buckles are arranged corresponding to the grooves one by one, the U-shaped buckles are sleeved on the positioning pile and clamped in the grooves, one fixing plate corresponds to two U-shaped buckles, the fixing plate is connected to the end portion of the U-shaped buckle and abutted against the outer wall of the positioning pile, the fixing plate is provided with four second through holes, the second nuts and the second through holes are arranged corresponding to one by one, the end portion of the U-shaped buckle is provided with external threads along the radial direction and inserted in the second through holes, the second nuts are in threaded connection with the end portion of the U-shaped buckle, the two guide blocks correspond to one fixing plate, the guide blocks are arranged in parallel and are connected to two sides of the first support at intervals, the guide block is provided with a third through hole, two ends of the guide rod are respectively inserted into the third through hole, two ends of the guide rod are respectively provided with external threads along the radial direction, and the third nuts are in threaded connection with two ends of the guide rod and are abutted against the outer wall of the guide block.
Furthermore, the driving part comprises a second support, a motor and a coupler, the second support is fixedly connected to the fixing plate, the second support is further provided with a fourth through hole, an output shaft of the motor is inserted into the fourth through hole, and the coupler is respectively and fixedly connected to the output shaft of the motor and one end of the screw rod.
Further, antifouling subassembly still includes a plurality of go-between, a plurality of the go-between evenly set up and can dismantle connect in the below of horizontal pole, geotechnological cloth and a plurality of the go-between joint.
Further, the weight member comprises three weight chains, wherein two weight chains are arranged at two opposite side edges of the geotextile, and the other weight chain is arranged at the bottom edge of the geotextile.
Compared with the prior art, the invention has the beneficial effects that: the two positioning piles are arranged in parallel at intervals and inserted into the underwater ground, the two linear driving parts are respectively connected with the positioning piles, sliding blocks of the linear driving parts can slide up and down along the axes of the positioning piles, the antifouling assembly is transversely arranged, two ends of the antifouling assembly are respectively connected with the two linear driving parts, the antifouling assembly comprises a cross rod, bubble curtain generating tubes, geotextile and a counterweight, the two bubble curtain generating tubes are connected above the cross rod and are parallel to the cross rod, the geotextile is detachably connected below the cross rod and is parallel to the cross rod, the geotextile is also respectively and fixedly connected with the counterweight along the unfolding direction of the cross rod and is used for unfolding the geotextile along the cross rod, when a ship needs to pass through the device, the linear driving parts can drive the antifouling device to slide to the bottom of the positioning piles to the water level height at which the ship can pass, and meanwhile, the bubble generating tubes work to generate compressed, thereby realize the antifouling diffusion in horizontal pole top waters during boats and ships navigation, when no boats and ships navigation, antifouling subassembly is located the top of lift stake, and bubble curtain takes place the pipe and closes, can rely on geotechnological cloth to carry out antifouling diffusion to antifouling subassembly below waters, probably solves the not good problem of antifouling effect of current antifouling device.
Drawings
FIG. 1 is a schematic structural diagram of a dredging anti-fouling diffusion device according to an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a linear actuator according to an embodiment of the present invention;
FIG. 3 is a schematic view of another embodiment of the linear actuator;
FIG. 4 is a schematic structural view of an anti-fouling assembly according to an embodiment of the invention;
FIG. 5 is an enlarged partial schematic view at A of FIG. 1;
fig. 6 is a partially enlarged schematic view at B in fig. 2.
Detailed Description
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.
Referring to fig. 1, the present invention provides an antifouling and diffusing device for dredging, which is characterized by comprising: at least one spud 1, an anti-fouling assembly 2 and at least one linear drive 3.
Further, the dredging anti-fouling diffusion device comprises two positioning piles 1, wherein the two positioning piles 1 are arranged in parallel at intervals and are fixedly inserted into the ground at the bottom of the water.
As shown in fig. 4, the anti-fouling assembly 2 includes a cross bar 21, at least one bubble curtain generating tube 22, a geotextile 23 and a weight member 24, the cross bar 21 is slidably connected to the spud 1, the bubble curtain generating tube 22 is connected to the cross bar 21, the geotextile 23 is connected to the cross bar 21 and disposed under the cross bar 21, and the weight member 24 is fixedly connected to the geotextile 23 and disposed along an edge of the geotextile 23.
Further, the anti-fouling assembly 2 includes two bubble generating tubes, and the bubble curtain generating tube 22 is disposed above the cross bar 21 and parallel to the cross bar 21.
As shown in fig. 1 and 4, the linear driving member 3 is fixed to the spud 1 and has an output shaft connected to the cross bar 21 for driving the cross bar 21, the bubble curtain generating tube 22, the geotextile 23 and the weight member 24 to move in the vertical direction.
Further, the dredging anti-fouling diffusion device comprises two linear driving pieces 3, and the linear driving pieces 3 are arranged in one-to-one correspondence with the positioning piles 1.
As shown in fig. 2 and 5, the linear actuator 3 includes two fixing plates 30, two first supporting seats 31, a ball screw 32, two guiding rods 33, a sliding block 34, an actuator 35, four U-shaped buckles 36, four second nuts 37, four guiding blocks 38, and four third nuts 39.
Further, two ends of the positioning pile 1 are respectively provided with two grooves along the circumferential direction thereof, the two fixing plates 30 are connected to two ends of the positioning pile 1, and the U-shaped buckles 36 are arranged in one-to-one correspondence with the grooves.
As shown in fig. 5, the U-shaped fastener 36 is sleeved on the positioning pile 1 and clamped in the groove, one fixing plate 30 corresponds to the two U-shaped fasteners 36, and the fixing plate 30 is connected to the end of the U-shaped fastener 36 and abuts against the outer wall of the positioning pile 1.
Furthermore, four second through holes are formed in the fixing plate 30, the second nuts 37 are arranged in one-to-one correspondence with the second through holes, external threads are radially arranged at the end of the U-shaped buckle 36 and inserted into the second through holes, and the second nuts 37 are connected to the end of the U-shaped buckle 36 in a threaded manner.
As shown in fig. 5, the first support 31 is fixedly connected to the fixing plate 30, and the first support 31 is provided with a first through hole.
Further, the ball screw 32 includes a screw 320 and a first nut 321, two ends of the screw 320 are respectively inserted into the first through hole and rotatably connected to the first support 31, and the first nut 321 is fittingly sleeved on the screw 320.
As shown in fig. 3, two guide rods 33 are disposed parallel to each other, and both ends of the guide rods 33 are connected to the two fixing plates 30, respectively.
Further, the slider 34 has at least two guide holes corresponding to the two guide rods 33, the guide holes are disposed in the guide rods 33 in a one-to-one correspondence manner, the slider 34 is slidably sleeved on the guide rods 33 through the guide holes and connected to the first nut 321, and the slider 34 is connected to the cross rod 21.
As shown in fig. 3 and 5, the two guide blocks 38 correspond to one fixing plate 30, the guide blocks 38 are arranged in parallel and connected to two sides of the first support 31 at intervals, and the guide blocks 38 are provided with third through holes.
Further, both ends of the guide rod 33 are respectively inserted into the third through holes, both ends of the guide rod 33 are respectively provided with external threads along the radial direction, and third nuts 39 are connected to both ends of the guide rod 33 in a threaded manner and abut against the outer wall of the guide block 38.
As shown in fig. 5, the driving member 35 includes a second support 351, a motor 352 and a coupling 353, the second support 351 is fixedly connected to the fixing plate 30, the second support 351 is further provided with a fourth through hole, an output shaft of the motor 352 is inserted into the fourth through hole, and the coupling 353 is respectively and fixedly connected to the output shaft of the motor 352 and one end of the screw rod 320.
Further, the dredging anti-fouling spreading device provided by the present invention may further comprise only one linear driving member 3, the linear driving member 3 is fixedly connected to one of the positioning piles 1, and the other positioning pile 1 is connected to the guiding member, or the linear driving member 3 is connected to the anti-fouling assembly 2 and drives the anti-fouling assembly 2 to move linearly along the axis of the positioning pile 1, which is not described herein in detail.
As shown in fig. 6, the anti-fouling assembly 2 further comprises a plurality of connecting rings 210, the connecting rings 210 are uniformly arranged and detachably connected below the cross bar 21, and the geotextile 23 is clamped with the connecting rings 210.
Further, the weight member 24 includes three weight chains, two of which are provided at both opposite side edges of the geotextile 23, and the other of which is provided at the bottom edge of the geotextile 23.
According to the specific working process of the invention, two positioning piles 1 are arranged in parallel at intervals and inserted into the ground at the bottom of a water, two linear driving pieces 3 are respectively connected to the positioning piles 1, a sliding block 34 of each linear driving piece 3 can slide up and down along the axis of the positioning pile 1, and an antifouling assembly 2 is transversely arranged and two ends of the antifouling assembly are respectively connected to the two linear driving pieces 3.
As shown in fig. 2 to 6, the linear actuator 3 includes two fixing plates 30, two first supporting seats 31, a ball screw 32, two guiding rods 33, a sliding block 34, an actuator 35, four U-shaped buckles 36, four second nuts 37, four guiding blocks 38, and four third nuts 39. Two recesses have been seted up along its circumferencial direction respectively at the both ends of spud 1, and two fixed plates 30 are connected in the both ends of spud 1, and the U type is detained 36 and recess one-to-one setting, and the spud 1 and joint in the recess are located to the 36 cover of U type knot, and a fixed plate 30 corresponds two U types and detains 36, and fixed plate 30 connects in the U type detain 36 the tip and with the outer wall butt of spud 1. The fixing plate 30 is provided with four second through holes, the second nuts 37 are arranged in one-to-one correspondence with the second through holes, the end of the U-shaped buckle 36 is radially provided with external threads and inserted into the second through holes, and the second nuts 37 are connected to the end of the U-shaped buckle 36 in a threaded manner. The first support 31 is fixedly connected to the fixing plate 30, and the first support 31 is provided with a first through hole.
Further, the ball screw 32 includes a screw 320 and a first nut 321, two ends of the screw 320 are respectively inserted into the first through hole and rotatably connected to the first support 31, and the first nut 321 is fittingly sleeved on the screw 320. The two guide rods 33 are disposed parallel to each other, and both ends of the guide rods 33 are connected to the two fixing plates 30, respectively. At least two guide holes are formed in the sliding block 34 relative to the two guide rods 33, the guide holes are arranged in the guide rods 33 in a one-to-one correspondence mode, the sliding block 34 is slidably sleeved on the guide rods 33 through the guide holes and connected to the first nut 321, the sliding block 34 is connected to the cross rod 21, the two guide blocks 38 correspond to one fixing plate 30, the guide blocks 38 are arranged in parallel and connected to two sides of the first support 31 at intervals, and third through holes are formed in the guide blocks 38. Two ends of the guide rod 33 are respectively inserted into the third through holes, two ends of the guide rod 33 are respectively provided with external threads along the radial direction, and third nuts 39 are connected to two ends of the guide rod 33 in a threaded manner and abut against the outer wall of the guide block 38.
Further, antifouling subassembly 2 comprises horizontal pole 21, bubble curtain emergence pipe 22, geotechnological cloth 23 and weight 24, and two bubble curtain emergence pipes 22 are connected in the top of horizontal pole 21 and are parallel to each other with horizontal pole 21, and geotechnological cloth 23 can be dismantled and connect in the below of horizontal pole 21 and with the mutual parallel arrangement of horizontal pole 21, and geotechnological cloth 23 still is fixedly connected with weight 24 respectively along the expansion direction of horizontal pole 21 for accomplish the expansion with geotechnological cloth 23 along horizontal pole 21.
When boats and ships lead to the navigation, boats and ships need pass through the device top, and the user of service can drive antifouling subassembly 2 through control linear driving piece 3 and slide to the bottom of spud 1, and to the water level height that the ship can pass through, the control makes bubble curtain take place that pipe 22 work produces compressed air and forms the antifouling screen of bubble curtain simultaneously to realize the antifouling diffusion in horizontal pole 21 top waters during the boats and ships navigation, the antifouling device's below is expanded the antifouling diffusion's of formation structure by geotechnological cloth 23 simultaneously.
When no boats and ships are navigated, the user controls the driving linear driving piece 3 to drive the antifouling assembly 2 to move to the top of the lifting pile along the screw rod 320, and simultaneously, the bubble curtain generating pipe 22 is controlled to stop working, and the antifouling device can perform antifouling diffusion on the water area below the antifouling assembly 2 by means of the geotextile 23.
Such setting, under the condition that meets boats and ships navigation, probably solve current antifouling device antifouling effect not good, use inconvenient problem.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (8)
1. A dredging anti-fouling diffusing device, comprising:
at least one spud, the spud being vertically fixed to the ground;
the anti-fouling assembly comprises a cross bar, at least one bubble curtain generating pipe, geotextile and a counterweight, wherein the cross bar is slidably connected with the positioning pile, the bubble curtain generating pipe is connected with the cross bar, the geotextile is connected with the cross bar and arranged below the cross bar, and the counterweight is fixedly connected with the geotextile and arranged along the edge of the geotextile;
at least one linear driving piece, linear driving piece is fixed in spud pile and its output shaft connect in the horizontal pole is used for the drive horizontal pole, bubble curtain generating tube, geotechnological cloth and weight member remove along vertical direction.
2. A dredging anti-fouling spreading device according to claim 1, wherein the dredging anti-fouling spreading device comprises two positioning piles which are arranged in parallel and spaced apart and fixedly inserted into the ground at the bottom of the water.
3. Dredging anti-fouling spreading device according to claim 1, characterized in that said anti-fouling assembly comprises two bubble generating tubes, said bubble curtain generating tubes being arranged above said crossbar and parallel to each other.
4. The dredging anti-fouling and diffusing device of claim 1, wherein the dredging anti-fouling and diffusing device comprises two linear driving members, the linear driving members are disposed corresponding to the positioning piles one by one, the linear driving members comprise two fixing plates, two first supporting seats, a ball screw, two guiding rods, a sliding block and a driving member, the two fixing plates are connected to two ends of the positioning piles, the first supporting seats are fixedly connected to the fixing plates, the first supporting seats are opened with first through holes, the ball screw comprises a screw rod and a first nut, two ends of the screw rod are respectively inserted into the first through holes and rotatably connected to the first supporting seats, the first nut is fittingly sleeved on the screw rod, the two guiding rods are disposed in parallel with each other, two ends of the guiding rods are respectively connected to the two fixing plates, the sliding block is opened with at least two guiding holes corresponding to the two guiding rods, the guide holes are arranged in the guide rods in a one-to-one correspondence mode, the sliding blocks are sleeved on the guide rods through the guide holes in a sliding mode and connected to the first nuts, and the sliding blocks are connected to the cross rods.
5. The dredging anti-fouling diffusion device of claim 4, wherein two ends of the positioning pile are respectively provided with two grooves along the circumferential direction thereof, the linear driving member further comprises four U-shaped buckles, four second nuts, four guide blocks and four third nuts, the U-shaped buckles are arranged in one-to-one correspondence with the grooves, the U-shaped buckles are sleeved on the positioning pile and clamped in the grooves, one fixing plate corresponds to the two U-shaped buckles, the fixing plate is connected to the end of the U-shaped buckle and abutted against the outer wall of the positioning pile, the fixing plate is provided with four second through holes, the second nuts and the second through holes are arranged in one-to-one correspondence, the end of the U-shaped buckle is radially provided with external threads and inserted into the second through holes, the second nuts are threadedly connected to the end of the U-shaped buckle, the two guide blocks correspond to one fixing plate, the guide blocks are arranged in parallel and connected to two sides of the first support at intervals, third through holes are formed in the guide blocks, two ends of the guide rod are respectively inserted into the third through holes, external threads are respectively arranged at two ends of the guide rod along the radial direction, and the third nuts are in threaded connection with two ends of the guide rod and abut against the outer walls of the guide blocks.
6. Dredging antifouling spreading device according to claim 4, wherein the driving member comprises a second support, a motor and a coupling, the second support is fixedly connected to the fixing plate, the second support is further provided with a fourth through hole, the output shaft of the motor is inserted into the fourth through hole, and the coupling is respectively fixedly connected to the output shaft of the motor and one end of the screw rod.
7. A dredging antifouling spreading device according to claim 1, wherein said antifouling assembly further comprises a plurality of connecting rings, said plurality of connecting rings are uniformly arranged and detachably connected below said cross bar, and said geotextile is clamped with said plurality of connecting rings.
8. Dredging anti-fouling spreading device according to claim 1, characterized in that said counterweight comprises three counterweight chains, two of which are provided at the two opposite side edges of said geotextile and the other of which is provided at the bottom edge of said geotextile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011344161.4A CN112411653A (en) | 2020-11-26 | 2020-11-26 | Dredge antifouling diffusion equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011344161.4A CN112411653A (en) | 2020-11-26 | 2020-11-26 | Dredge antifouling diffusion equipment |
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| Publication Number | Publication Date |
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| CN112411653A true CN112411653A (en) | 2021-02-26 |
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ID=74843038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011344161.4A Pending CN112411653A (en) | 2020-11-26 | 2020-11-26 | Dredge antifouling diffusion equipment |
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| CN (1) | CN112411653A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114808884A (en) * | 2022-05-11 | 2022-07-29 | 华北水利水电大学 | Inland river blocking type environment-friendly dredging auxiliary device |
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| FR2507224A1 (en) * | 1981-06-05 | 1982-12-10 | Inst Francais Du Petrole | Oil slick etc. barrage - has flexible framework incorporating floas floats, and covered by outer skirt |
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| CN110805011A (en) * | 2019-11-11 | 2020-02-18 | 武汉理工大学 | Multipurpose dirt separating device based on bubble plume technology |
| CN210621648U (en) * | 2019-07-26 | 2020-05-26 | 无锡盛代建设工程有限公司 | Height-adjustable water surface floating object enclosure |
| CN111910597A (en) * | 2020-08-21 | 2020-11-10 | 浙江海洋大学 | A air curtain formula oil containment boom system for harbour |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2507224A1 (en) * | 1981-06-05 | 1982-12-10 | Inst Francais Du Petrole | Oil slick etc. barrage - has flexible framework incorporating floas floats, and covered by outer skirt |
| JP2000096544A (en) * | 1998-09-21 | 2000-04-04 | Kihachiro Suzuki | Moving-type sludge outflow-preventing frame |
| CN209636760U (en) * | 2019-01-02 | 2019-11-15 | 江苏省盐城市航道管理处 | A kind of excavated basin over-water floats blocking apparatus |
| CN209891174U (en) * | 2019-05-05 | 2020-01-03 | 上海同瑞环保工程有限公司 | Water purification barrier for navigation channel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114808884A (en) * | 2022-05-11 | 2022-07-29 | 华北水利水电大学 | Inland river blocking type environment-friendly dredging auxiliary device |
| CN114808884B (en) * | 2022-05-11 | 2024-04-30 | 华北水利水电大学 | Inland river barrier type environment-friendly dredging auxiliary device |
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