CN114319495A - River channel dredging device at estuary - Google Patents
River channel dredging device at estuary Download PDFInfo
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- CN114319495A CN114319495A CN202210260396.8A CN202210260396A CN114319495A CN 114319495 A CN114319495 A CN 114319495A CN 202210260396 A CN202210260396 A CN 202210260396A CN 114319495 A CN114319495 A CN 114319495A
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Abstract
The invention relates to the technical field of hydraulic engineering, in particular to a river channel dredging device at an estuary, which comprises an equipment base, a supporting hanging bracket arranged on the equipment base and an operation rack erected on the supporting hanging bracket; the operation frame is movably arranged on the supporting hanger through the hanger seat, and swings by taking the hanger seat as an axis; the dredging machine is characterized in that a lower edge support is arranged on the operation rack, the lower edge support is telescopically arranged on the operation rack, a dredging base is arranged at the bottom end of the lower edge support, a crushing machine part is rotatably arranged on the dredging base and is used for scattering river silt; the supporting hanger is also externally connected with a recoil assembly, a pipeline of the recoil assembly extends into the deep part of the river channel along the lower edge support, and the terminal of the recoil assembly is connected with the crushing machine member. The invention can deeply destroy the sludge layer, crush the sludge and effectively carry out dredging under the condition of not influencing the ecology.
Description
Technical Field
The invention relates to the technical field of hydraulic engineering, in particular to a river channel dredging device at an estuary.
Background
A large amount of sludge is frequently accumulated on the riverway riverbed, and the sludge is accumulated on the riverbed after being precipitated, so that the ecology of the whole riverway is seriously influenced, the liquid level of the riverway is increased, and the riverway needs to be cleaned regularly; long-term river silt accumulation even can cause the influence to the ship of walking, and the accident easily takes place in the stroke, causes the loss of irreparable.
In the prior art, a positioning pile is arranged on a ship body, a suspension bracket is installed at the front end of the ship body, a dredging device is arranged on the suspension bracket, sludge deposited on a river bottom is stirred into a turbid shape through a mechanical structure, so that a dredging operation effect is achieved, and the scattered sludge is pumped away along with water flow through a subsequent pumping device. However, the accumulation of the sludge at the mouth of the river into the sea is generally serious, the existing dredging device cannot effectively go deep into the sludge, large dredging equipment is often needed to excavate the river channel, and the excavation operation can seriously damage the ecological stability of the whole river channel; therefore, how to effectively carry out dredging under the condition of not influencing ecology is the direction of research needed by the existing hydraulic engineering technology.
Disclosure of Invention
The invention aims to provide a river channel dredging device at a river mouth into the sea so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a river channel dredging device at an estuary comprises an equipment base, a supporting hanger arranged on the equipment base, and an operation rack erected on the supporting hanger;
the operation frame is movably arranged on the supporting hanger through the hanger seat, and swings by taking the hanger seat as an axis;
the dredging machine is characterized in that a lower edge support is arranged on the operation rack, the lower edge support is telescopically arranged on the operation rack, a dredging base is arranged at the bottom end of the lower edge support, a crushing machine part is rotatably arranged on the dredging base and is used for scattering river silt;
the supporting hanger is also externally connected with a recoil assembly, a pipeline of the recoil assembly extends into the deep part of the river channel along the lower edge support, and the terminal of the recoil assembly is connected with the crushing machine member.
As a further scheme of the invention: the operation frame is interior cavity frame structure, and the inside of operation frame is provided with loads the interval, and the bottom of operation frame is provided with the loading port, it is telescopic installation in loading the interval to be followed the support down through the loading port, the closure frame is installed along the bottom of support down, the desilting base is through closure frame and lower edge support fixed mounting.
As a further scheme of the invention: the loading interval is characterized in that a positioning track is arranged on the inner edge of the loading interval, an embedded batten is arranged on the side edge of the lower edge support, the embedded batten is clamped in the corresponding positioning track, a driving inner frame is further arranged in the loading interval, a driving rack is arranged on the lower edge support, a driving inner shaft is arranged in the driving inner frame, a driving gear is arranged on the driving inner shaft, and the driving gear is meshed with the driving rack.
As a further scheme of the invention: the dredging base comprises a mounting base fixedly mounted with the locking frame, a supporting carrier plate arranged on the mounting base, and a fixing base arranged on the supporting carrier plate, wherein a steering base is rotatably mounted on the fixing base, and the crushing machine element is mounted on the steering base.
As a further scheme of the invention: broken parts is including installing in the annular frame that turns to on the base, be provided with the outer hoop of location on the annular frame, a plurality of location barrels are installed to the first-class angle in the outer hoop of location, all install the operation pole on the barrel of location, the member bottom of operation pole is provided with broken spiral shell awl.
As a further scheme of the invention: the steering base is mounted on the fixed base in a clamping mode, a positioning bearing is arranged in the center line of the mounting surface of the steering base, a supporting main shaft is arranged on the fixed base and mounted in the positioning bearing, an annular outer rail is arranged on the outer edge of the fixed base, and the periphery of the steering base is mounted on the annular outer rail through an inner ring hoop.
As a further scheme of the invention: the inner hoop surface of the inner hoop is provided with annular inner insections, the fixed base is provided with an inner drive motor, a drive rod is installed at the drive end of the inner drive motor, an inner edge gear is installed on the drive rod, and the inner edge gear is meshed with the annular inner insections.
As a further scheme of the invention: the recoil subassembly includes the diversion machine pump, connects in the direction pipeline of diversion machine pump output, connects in the lower pipeline of direction pipeline output, the bath shower nozzle is installed to the bottom central line position of annular frame, the bath shower nozzle is provided with built-in joint in the inner chamber of annular frame, it is hollow structure to support the main shaft, lower pipeline and desilting base dock mutually, and lower pipeline stretches into and its end is connected with built-in joint along the inner chamber that supports the main shaft.
As a still further scheme of the invention: the support hanger is provided with a displacement track, the hanger seat is provided with a hanger plate, the hanger plate is arranged in the displacement track, the hanger plate is provided with a vertical frame disc, the vertical frame disc is provided with a rotary hanger, the rotary hanger is provided with an installation support, and the operation rack is arranged on the installation support.
Compared with the prior art, the invention has the beneficial effects that:
the invention designs an operation rack which vertically extends to the lower surface of the water surface of a river channel, a lower edge support is telescopically arranged on the operation rack, and the lower edge support moves downwards towards the deep part of the river channel, so that a dredging base is in contact with sludge at the bottom layer of the river channel, the sludge is crushed by driving a crushing machine member to rotate, and the sludge layer can be effectively deeply damaged along with the gradual extension of the lower edge support, so that the sludge is crushed.
The support hanger is erected on the ship body, and for the loading mechanism of the operation rack, the operation rack is designed to move and turn relative to the support hanger, so that the operation rack can be conveniently folded and unfolded, rapid transfer between a plurality of operation points or operation intervals is facilitated, and the whole operation process is smooth.
Thirdly, a backflushing component is designed, water liquid after sludge filtration is injected back into the river channel, when the sludge is broken up by the breaking machine, water flow is synchronously injected to impact the sludge, the breaking effect on the water flow is further improved, the sludge is dispersed in the river channel water flow, and the sludge is convenient to extract subsequently; meanwhile, the water liquid is reinjected into the river water area, and the stability of the whole river ecological system is also kept.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. Also, the drawings and the description are not intended to limit the scope of the present concepts in any way, but rather to illustrate the concepts of the present disclosure to those skilled in the art by reference to specific embodiments.
Fig. 1 is a schematic view of the overall structure of a river channel dredging device at a estuary site according to an embodiment of the invention.
Fig. 2 is a schematic structural diagram of a lower edge bracket according to an embodiment of the present invention.
FIG. 3 is a schematic structural diagram of the area A in FIG. 2 according to the present invention.
FIG. 4 is a schematic structural diagram of a dredging base provided by an embodiment of the invention.
Fig. 5 is a schematic structural diagram of a breaker element according to an embodiment of the present invention.
Fig. 6 is a schematic view illustrating an installation of the steering base according to the embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a recoil assembly according to an embodiment of the present invention.
Fig. 8 is a schematic diagram of an inner cavity structure of the ring frame according to an embodiment of the present invention.
Fig. 9 is a schematic installation diagram of a work frame according to an embodiment of the present invention.
In the figure: 1. an equipment base; 11. a support hanger; 12. an operating frame; 13. a lower edge bracket; 14. a dredging base; 15. a crushing member; 17. a recoil assembly; 18. a hanger bracket; 21. a loading interval; 22. a load port; 23. a locking frame; 32. positioning the track; 33. embedding a lath; 34. a drive rack; 35. driving the inner frame; 36. an inner drive shaft; 37. a drive gear; 38. a waterproof case; 41. mounting a base; 42. supporting the carrier plate; 43. a fixed base; 44. a steering base; 51. an annular machine frame; 52. positioning the outer hoop; 53. positioning the machine barrel; 54. a work machine mast; 55. crushing a screw cone; 61. positioning the bearing; 62. supporting the main shaft; 63. an annular outer rail; 64. an inner hoop; 65. annular internal insection; 66. an internal drive motor; 67. a drive rod; 68. an inner edge gear; 71. a water pump; 72. a guide duct; 73. a down-extending pipeline; 74. a joint is arranged inside; 75. a flushing nozzle; 81. a displacement track; 82. driving a lead screw; 83. hoisting the frame plate; 84. a vertical frame tray; 85. rotating the hanging seat; 86. and (7) mounting a bracket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, examples of which are shown in the drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements, unless otherwise indicated.
It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
In one embodiment;
referring to fig. 1, a river dredging device at an estuary is provided, which comprises an equipment base 1, a supporting hanger 11 mounted on the equipment base 1, and an operation frame 12 erected on the supporting hanger 11;
the working frame 12 is movably mounted on the support hanger 11 through a hanger seat 18, and the working frame 12 swings with the hanger seat 18 as an axis;
a lower edge support 13 is arranged on the operation frame 12, the lower edge support 13 is telescopically arranged on the operation frame 12, a dredging base 14 is arranged at the bottom end of the lower edge support 13, a crushing machine member 15 is rotatably arranged on the dredging base 14, and the crushing machine member 15 is used for scattering river silt;
the support cradle 11 is also externally connected with a recoil assembly 17, the pipeline of the recoil assembly 17 extends into the deep part of the river along the lower edge support 13 and the terminal end of the recoil assembly is connected with the crushing member 15.
The embodiment is loaded on the deck of the ship body and used for dredging and scattering the sludge accumulated in the deep part of the river channel, so that the sludge can be sucked out along with water flow in the subsequent extraction process. During the operation, operation frame 12 is vertical stretches into below the river course surface of water, and lower edge support 13 is telescopic installation on operation frame 12, moves down towards river course depths along support 13 down for the silt contact of desilting base 14 and river course bottom rotates through drive breaker 15, is used for doing broken handle to silt, and along with stretching into gradually along support 13 down, can effectually deeply destroy the silt layer, with silt fragmentation.
In view of the fact that the whole dredging process is a repeated operation process, after each dredging process, the sludge is sucked out along with the water flow through the extracting process, and then the extracted water flow and the sludge are filtered; therefore, the embodiment is further provided with the backflushing assembly 17, the water liquid after sludge filtration is reinjected into the river channel, the pipeline terminal of the backflushing assembly 17 is connected with the crushing machine member 15, and when the crushing machine member 15 breaks up sludge, water flow is synchronously injected to impact the sludge, so that the breaking effect on the water flow is further improved, the sludge is dispersed in the river channel water flow, and the subsequent sludge extraction is facilitated; meanwhile, the water liquid is reinjected into the river water area, and the stability of the whole river ecological system is also kept.
In one embodiment;
for the telescopic operation mode of the lower edge bracket 13, the specific implementation structure of this embodiment is as follows:
referring to fig. 2, the operation frame 12 is of an inner hollow frame structure, a loading area 21 is disposed inside the operation frame 12, a loading port 22 is disposed at the bottom of the operation frame 12, the lower edge support 13 is telescopically mounted in the loading area 21 through the loading port 22, a locking frame 23 is mounted at the bottom end of the lower edge support 13, the dredging base 14 is fixedly mounted with the lower edge support 13 through the locking frame 23, the locking frame 23 is a frame-type connection structure in the prior art, and is fixedly locked with the dredging base 14 and the lower edge support 13 through a plurality of locking bolts.
Referring to fig. 3, a positioning rail 32 is disposed on an inner edge of the loading section 21, an embedded lath 33 is disposed on a side edge of the lower edge support 13, the embedded lath 33 is internally clamped in the corresponding positioning rail 32, a driving inner frame 35 is further disposed in the loading section 21, a driving rack 34 is disposed on the lower edge support 13, a driving inner shaft 36 is mounted in the driving inner frame 35, a driving gear 37 is mounted on the driving inner shaft 36, and the driving gear 37 is engaged with the driving rack 34. The operation frame 12 is externally provided with a waterproof case 38, and a waterproof motor is arranged in the waterproof case 38 and used for driving the driving gear 37 to move.
The operation frame 12 is designed to be of a frame structure, the lower edge of the support 13 is internally installed in the loading section 21 inside the operation frame 12 in a penetrating mode, the two sides of the lower edge of the support 13 are embedded in the positioning rails 32 through the embedded battens 33, the positioning rails 32 are linear rails arranged on the two side walls of the inner cavity of the loading section 21, the embedded battens 33 are strip-shaped protrusions arranged on the outer edge of the lower edge of the support 13, the embedded battens 33 are embedded in the positioning rails 32, the lower edge of the support 13 moves along the track of the positioning rails 32, and therefore when the operation frame 12 extends into the bottom layer of a river channel, even if the operation frame is influenced by water pressure and water flow, the deflection problem cannot occur.
The lower edge bracket 13 is also provided with a driving rack 34, the driving gear 37 is meshed with the driving rack 34, and the meshing of the tooth patterns also plays a limiting effect to prevent the lower edge bracket 13 from falling down due to gravity; during the operation, through rack toothing transmission, move down along support 13 under the drive to promote down to stretch into to the river course bottom along support 13, after the operation at every turn, will descend along support 13 shrink, also be convenient for accomodate the processing.
In one embodiment;
for the way of breaking up the silt in the desilting operation, the concrete implementation structure of this embodiment is as follows:
referring to fig. 4, the dredging base 14 includes a mounting base 41 fixedly mounted with the locking frame 23, a supporting carrier plate 42 disposed on the mounting base 41, and a fixing base 43 mounted on the supporting carrier plate 42, wherein a turning base 44 is rotatably mounted on the fixing base 43, and the crushing member 15 is mounted on the turning base 44.
Referring to fig. 5, the crushing machine 15 includes an annular machine frame 51 mounted on the steering base 44, a positioning outer hoop 52 is disposed on the annular machine frame 51, a plurality of positioning machine barrels 53 are equidistantly mounted on the positioning outer hoop 52, working machine rods 54 are mounted on the positioning machine barrels 53, and crushing screw cones 55 are disposed at bottoms of rod pieces of the working machine rods 54.
The crushing machine member 15 is installed on the dredging base 14 through the turning base 44, the annular machine frame 51 rotates by taking the turning base 44 as a supporting surface, a plurality of positioning machine barrels 53 are installed on the outer edge of the annular machine frame 51 at equal angles, crushing screw cones 55 are arranged on the positioning machine barrels 53 and are used for being inserted into the deep part of sludge, and the sludge is dispersed along with the rotation of the annular machine frame 51, so that the effect of scattering a sludge layer is achieved.
Referring to fig. 6, the steering base 44 is installed on the fixed base 43 in a snap-fit manner, a positioning bearing 61 is disposed at a center line of an installation surface of the steering base 44, a supporting spindle 62 is disposed on the fixed base 43, the supporting spindle 62 is installed in the positioning bearing 61, an annular outer rail 63 is disposed at an outer edge of the fixed base 43, a periphery of the steering base 44 is installed on the annular outer rail 63 through an inner hoop 64, the fixed base 43 is a circular base, an annular outer rail 63 is disposed on a contact surface between the fixed base 43 and the steering base 44, the steering base 44 is of a circular structure, and an inner hoop 64 at an outer ring of the steering base 44 is embedded in a rail notch of the annular outer rail 63, so that the steering base 44 is limited by the annular outer rail 63 and rotates relative to the fixed base 43.
The inner hoop surface of the inner hoop 64 is provided with annular inner insections 65, the fixed base 43 is provided with an inner drive motor 66, a drive rod 67 is mounted at the drive end of the inner drive motor 66, an inner edge gear 68 is mounted on the drive rod 67, and the inner edge gear 68 is meshed with the annular inner insections 65.
The embodiment designs that the steering base 44 takes the supporting spindle 62 as an axis, and the outer edge of the steering base 44 is embedded in the annular outer rail 63 through the inner hoop 64; when turning, the inner drive motor 66 is used as a power end, and the steering base 44 is driven to rotate by taking the support main shaft 62 as an axis through the insection meshing transmission, so as to drive the crushing operation of the crushing machine element 15. This embodiment adopts the mode of insection meshing transmission interval conduction, avoids the reverse resistance of silt and rivers, to power input end's influence, reduces the risk of power input shaft deformation distortion.
In one embodiment;
for the specific implementation of the recoil assembly 17, the present embodiment is designed as follows:
referring to fig. 7, the backflushing assembly 17 includes a water diversion pump 71, a guide pipe 72 connected to an output end of the water diversion pump 71, and a lower conduit 73 connected to an output end of the guide pipe 72, a flush water nozzle 75 is installed at a bottom center line position of the annular machine frame 51 (as shown in fig. 5), the flush water nozzle 75 is provided with a built-in joint 74 in an inner cavity of the annular machine frame 51 (as shown in fig. 8), the support main shaft 62 is a hollow structure, the lower conduit 73 is connected to the dredging base 14, and the lower conduit 73 extends along the inner cavity of the support main shaft 62 and the end of the lower conduit 73 is connected to the built-in joint 74.
In this embodiment, the lower extension pipe 73 is of a hose structure, the turning base 44 in the dredging base 14 is of a side insection driving mode, the supporting main shaft 62 is designed to be of a hollow structure, so that the lower extension pipe 73 can penetrate through a shaft space in the supporting main shaft 62, the terminal is connected with the built-in joint 74 of the inner cavity of the annular machine frame 51, water liquid is output from the flushing nozzle 75 to impact silt, and the silt is broken up in a assisting mode by matching with the rotation of the breaking machine member 15.
In one embodiment;
for the embodiment of the working frame 12 being folded, the present embodiment is designed as follows:
referring to fig. 1 and 9, a displacement rail 81 is disposed on the support hanger 11, a hanger plate 83 is mounted on the hanger base 18, the hanger plate 83 is mounted in the displacement rail 81, a driving screw 82 is disposed in the displacement rail 81, the driving screw 82 is used for driving the hanger plate 83 to move along the displacement rail 81, a vertical frame tray 84 is disposed on the hanger plate 83, a rotating hanger 85 is disposed on the vertical frame tray 84, a mounting bracket 86 is disposed on the rotating hanger 85, and the operating frame 12 is mounted on the mounting bracket 86.
The working machine frame 12 is mounted on a displacement rail 81 of the support hanger 11 through the hanger base 18, and a driving screw 82 is built in the displacement rail 81 to drive the working machine frame 12 to displace, so that the working machine frame 12 can be driven to carry out dredging treatment one by one at a plurality of working positions below the working block.
After the silt dredging operation of each block is finished, the ship body needs to be moved to another operation block; at this time, the lower edge bracket 13 is retracted into the loading section 21 of the working frame 12, and the rotating hanger 85 on the hanger bracket 18 rotates the working frame 12 to rotate the working frame 12 in the horizontal direction, so that the working frame 12 is raised above the water surface, and the influence of the resistance caused by the contact of the working frame 12 with the water surface when the hull moves on the movement of the hull is avoided.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A river channel dredging device at an estuary comprises an equipment base, a supporting hanger arranged on the equipment base, and an operation rack erected on the supporting hanger; it is characterized in that the preparation method is characterized in that,
the operation frame is movably arranged on the supporting hanger through the hanger seat, and swings by taking the hanger seat as an axis;
the dredging machine is characterized in that a lower edge support is arranged on the operation rack, the lower edge support is telescopically arranged on the operation rack, a dredging base is arranged at the bottom end of the lower edge support, a crushing machine part is rotatably arranged on the dredging base and is used for scattering river silt;
the supporting hanger is also externally connected with a recoil assembly, a pipeline of the recoil assembly extends into the deep part of the river channel along the lower edge support, and the terminal of the recoil assembly is connected with the crushing machine member.
2. The river channel dredging device at the estuary site of claim 1, wherein the operation frame is of an inner hollow frame structure, a loading area is arranged inside the operation frame, a loading port is arranged at the bottom of the operation frame, the lower edge support is telescopically arranged in the loading area through the loading port, a locking frame is arranged at the bottom end of the lower edge support, and the dredging base is fixedly arranged with the lower edge support through the locking frame.
3. The river channel dredging device at the estuary site of claim 2, wherein the loading section is provided with a positioning track at the inner edge, the lower edge is provided with an embedded lath at the side edge of the support, the embedded lath is clamped in the corresponding positioning track, the loading section is further provided with an inner driving frame, the lower edge support is provided with a driving rack, an inner driving shaft is installed in the inner driving frame, the inner driving shaft is provided with a driving gear, and the driving gear is meshed with the driving rack.
4. The device of claim 3, wherein the dredging base comprises a mounting base fixedly mounted with the locking frame, a supporting carrier plate disposed on the mounting base, and a fixing base mounted on the supporting carrier plate, the fixing base is rotatably mounted with a steering base, and the crushing member is mounted on the steering base.
5. The river channel dredging device of an estuary site as claimed in claim 4, wherein the crushing machine member comprises an annular machine frame installed on a steering base, an outer hoop for positioning is arranged on the annular machine frame, a plurality of positioning machine barrels are installed at equal angles on the outer hoop for positioning, an operating machine rod is installed on each positioning machine barrel, and a crushing screw cone is arranged at the bottom of a rod piece of the operating machine rod.
6. The river channel dredging device at the estuary of claim 5, wherein the steering base is mounted on a fixed base in a clamping manner, a positioning bearing is arranged at the center line of the mounting surface of the steering base, a supporting spindle is arranged on the fixed base and mounted in the positioning bearing, an annular outer rail is arranged at the outer edge of the fixed base, and the periphery of the steering base is mounted on the annular outer rail through an inner hoop.
7. The river channel dredging device at the estuary of claim 6, wherein the inner hoop surface of the inner hoop is provided with annular inner insections, the fixed base is provided with an inner driving motor, the driving end of the inner driving motor is provided with a driving rod, the driving rod is provided with an inner edge gear, and the inner edge gear is meshed with the annular inner insections.
8. The river channel dredging device of the estuary river mouth of claim 7, wherein the backflushing assembly comprises a water diversion pump, a guide pipeline connected to the output end of the water diversion pump, and a lower extension pipeline connected to the output end of the guide pipeline, the bottom center line of the annular frame is provided with a flushing nozzle, the flushing nozzle is provided with a built-in joint in the inner cavity of the annular frame, the supporting main shaft is a hollow structure, the lower extension pipeline is connected with the dredging base, and the lower extension pipeline extends into the inner cavity of the supporting main shaft and the tail end of the lower extension pipeline is connected with the built-in joint.
9. The apparatus according to claim 8, wherein the support hanger has a displacement rail, the hanger base has a hanger plate, the driving screw is used to drive the hanger plate to move along the displacement rail, the hanger plate has a vertical tray, the vertical tray has a rotary hanger base, the rotary hanger base has a mounting bracket, and the working machine frame is mounted on the mounting bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210260396.8A CN114319495B (en) | 2022-03-17 | 2022-03-17 | River channel dredging device at estuary |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210260396.8A CN114319495B (en) | 2022-03-17 | 2022-03-17 | River channel dredging device at estuary |
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| CN114319495A true CN114319495A (en) | 2022-04-12 |
| CN114319495B CN114319495B (en) | 2022-06-14 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0243994A1 (en) * | 1986-04-14 | 1987-11-04 | Reijer Nicolaas Van Weezenbeek | Device for the displacement of sediment under water and process for the use of such a device |
| CN104032788A (en) * | 2014-06-30 | 2014-09-10 | 程金强 | River channel silt remover |
| CN209585150U (en) * | 2019-01-11 | 2019-11-05 | 东华理工大学 | A kind of dredging device for water conservancy projects |
| CN212175890U (en) * | 2020-03-26 | 2020-12-18 | 王东民 | Hydraulic engineering river bottom silt cleaning device |
| CN212561663U (en) * | 2020-06-29 | 2021-02-19 | 河南水建集团有限公司 | Dredging device suitable for water conservancy construction |
-
2022
- 2022-03-17 CN CN202210260396.8A patent/CN114319495B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0243994A1 (en) * | 1986-04-14 | 1987-11-04 | Reijer Nicolaas Van Weezenbeek | Device for the displacement of sediment under water and process for the use of such a device |
| CN104032788A (en) * | 2014-06-30 | 2014-09-10 | 程金强 | River channel silt remover |
| CN209585150U (en) * | 2019-01-11 | 2019-11-05 | 东华理工大学 | A kind of dredging device for water conservancy projects |
| CN212175890U (en) * | 2020-03-26 | 2020-12-18 | 王东民 | Hydraulic engineering river bottom silt cleaning device |
| CN212561663U (en) * | 2020-06-29 | 2021-02-19 | 河南水建集团有限公司 | Dredging device suitable for water conservancy construction |
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| CN114319495B (en) | 2022-06-14 |
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