CN107989106A - A kind of ecological dredging ship - Google Patents
A kind of ecological dredging ship Download PDFInfo
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- CN107989106A CN107989106A CN201711422549.XA CN201711422549A CN107989106A CN 107989106 A CN107989106 A CN 107989106A CN 201711422549 A CN201711422549 A CN 201711422549A CN 107989106 A CN107989106 A CN 107989106A
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- mud
- hull
- cutter shaft
- connecting rod
- component
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- 239000010802 sludge Substances 0.000 claims abstract description 35
- 230000000694 effects Effects 0.000 claims abstract description 15
- 238000003032 molecular docking Methods 0.000 claims description 17
- 238000003825 pressing Methods 0.000 claims description 13
- 230000001276 controlling effect Effects 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 239000000306 component Substances 0.000 description 103
- 238000010586 diagram Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000008358 core component Substances 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
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- 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
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/0084—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage
- B02C18/0092—Disintegrating by knives or other cutting or tearing members which chop material into fragments specially adapted for disintegrating garbage, waste or sewage for waste water or for garbage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/18—Knives; Mountings thereof
-
- 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
- E02F3/902—Component parts, e.g. arrangement or adaptation of pumps for modifying the concentration of the dredged material, e.g. relief valves preventing the clogging of the suction pipe
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F7/00—Equipment for conveying or separating excavated material
- E02F7/10—Pipelines for conveying excavated materials
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Ocean & Marine Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention relates to ship equipment technical field, it discloses a kind of ecological dredging ship, including hull, movable crane span structure is equipped with the front end of the hull, the front end of the activity crane span structure is equipped with the refuse grinder of hydraulic-driven, the refuse grinder is equipped with mud input end and sludge outlet end, it is equipped with the hull a pair of being hydraulically operated and for inhaling the mud cylinder component of mud and spoil disposal, a pair of of mud cylinder component includes the first mud cylinder component and the second mud cylinder component, the mud suction mouth of first mud cylinder component and the second mud cylinder component is connected to clack box, clack box is equipped with the suction mud check valve that valve is opened when being used to inhale mud, the spoil disposal check valve that valve is opened during for spoil disposal, inhale and be connected with dredging tube on mud check valve, dredging tube is connected with the sludge outlet end of refuse grinder, sludge pipe is connected with spoil disposal check valve.Dredger its pipeline of the present invention is not easy to plug, dredging operation is efficient, non-secondary pollution, navigated by water in meander it is adaptable.
Description
Technical field
The present invention relates to ship equipment technical field, and in particular to a kind of ecological dredging ship.
Background technology
Dredger is a kind of ship equipment for being used to dig water channel and rivers and creeks mud clearly.Ecological dredging ship is then one kind in dredging
The dredger of secondarily polluted water will not be caused when professional.
Existing dredger is to be resolved there are problems with：
First, pipeline easily blocks during its dredging operation of existing dredger.Conventional silt-cleaning vessel for river way is usually general
Dredge pump, the input end connection dredging tube of liquid pump are installed, the port of export of liquid pump connects sludge pipe, and dredging tube reaches on logical ship
Bottom of river channel picks up mud, and the mud that sludge pipe pumps dredge pump is discharged on riverbank.Since riverway sludge viscosity is larger,
And easily mud suction mouth and dredging tube are blocked when inhaling mud there are more rubbish incidental in riverway sludge.Therefore, using conventional suction
Dredge pump can only handle the relatively low mud of solid content.
Second, existing dredger be easy to cause secondarily polluted water in dredging operation.For example with grapple dredge
During dredging, mud can be spread around under the agitation of grab claw, cause the secondary pollution in river waters；Meanwhile grab type is dug
Bad adaptability of the mud machine for the dredging operation of suspended mud.In addition, grapple dredge is due also to the limitation of structure, is not suitable for
Remote Pipe conveys, and the efficiency of its dredging specialty is relatively low.
3rd, its job area of existing dredger is be subject to factor systems such as river width, river bridge, river bends
About.It is clear when digging water channel with rivers and creeks mud, it is relatively narrow in river and exist turn round it is tortuous in the case of, dredger cannot be made to too
Wide, too long, too high, otherwise dredger can not be successfully the bridge by river and corner, small silt-cleaning vessel can only be used to carry out
Construction, and the dredging ability and desilting efficiency data of small silt-cleaning vessel are relatively low.
4th, for large-scale dredger, its size is big, weight weight, it is manufactured, transport is inconvenient.On the one hand manufacture
Large-scale dredger, it is necessary to configure the manufacturing equipments such as large-scale crane, causes manufacture cost for the more demanding of equipment manufacturing
It is substantially increased；During another aspect dredging Ship Transportation, restricted, caused large-scale clear be subject to conditions such as highway limit for height, limit for length, freight weight limits
Silt ship, which is difficult to be transported to, to be needed to carry out clear digging waters and the place of rivers and creeks mud.
The content of the invention
To solve the above-mentioned problems, the present invention proposes a kind of ecological dredging ship, it is intended to solves the line clogging of dredging operation
Problem, dredging operation secondary pollution and dredging operation inefficiency problem simultaneously strengthen dredger and navigate in relatively narrow and meander
Capable adaptability, while the manufacture cost of dredger is reduced, specific technical solution is as follows：
A kind of ecological dredging ship, including hull, are equipped with movable crane span structure in the front end of the hull, before the activity crane span structure
Refuse grinder of the end equipped with hydraulic-driven, the refuse grinder is equipped with mud input end and sludge outlet end, described
Hull is equipped with a pair of being hydraulically operated and for inhaling the mud cylinder component of mud and spoil disposal, and a pair of of mud cylinder component includes the
The mud suction mouth of one mud cylinder component and the second mud cylinder component, the first mud cylinder component and the second mud cylinder component is connected to valve
Case, the clack box be equipped be used for that valve when inhaling mud to open inhale mud check valve, for spoil disposal when the spoil disposal opened of valve it is unidirectional
Valve, described inhale are connected with dredging tube on mud check valve, and the dredging tube is connected with the sludge outlet end of refuse grinder, described
Sludge pipe is connected with spoil disposal check valve.
In above-mentioned technical proposal, the front end activity crane span structure of dredger is equipped with refuse grinder, silt of the mud from crusher
Mud input end enters refuse grinder, and mud by dredging tube, clack box is inhaled into mud cylinder component after crushing, and is then delivered to spoil disposal
Guan Zhong, solves the problems, such as the pipeline blockage because caused by mud clod is larger；Meanwhile mud cylinder component makes in pairs as core component
With by controlling the suction mud of two mud cylinder components, spoil disposal to act so that when a mud cylinder component inhales mud, another mud cylinder component
Spoil disposal, i.e., the suction mud of two mud cylinder components, spoil disposal alternately, realize inhale mud work continuously and sludge pipe in mud it is continuous
Conveying, so as to significantly improve the efficiency of dredging operation.In addition, acted on by the vacuum suction of mud cylinder component, dredging operation
When will not cause secondarily polluted water, the feature of environmental protection is good.
The concrete structure of mud cylinder component is：The mud cylinder component includes cylinder body, piston, piston rod, piston rod bearing, described
Piston is installed in the endoporus of cylinder body, and the piston rod bearing includes mud cylinder cap plate, center sleeve, one end connection of the cylinder body
Mud cylinder cap plate, the mud cylinder cap plate are equipped with central bore, and the front end of the center sleeve is connected with the central bore of mud cylinder cap plate
Connect, the tail end of the center sleeve is extended away from the direction of cylinder body, and the front end of the center sleeve and tail end point
She You be used for piston rod positioning front end support holes, tail end support holes, the piston rod respectively with the front end support holes, tail
End support holes are slidably matched, and one end on the piston rod by front end support holes is connected with the piston by the way that ball-type motion is secondary
Connect.
In above-mentioned technical proposal, the piston in cylinder body is connected with piston rod, and the back-and-forth motion by control piston bar is
The reciprocating motion of piston can be achieved.Wherein, piston and piston rod are connected by crossing ball-type motion pair, its can compensate for due to
The relative position deviation of piston and piston rod caused by manufacture or installation error, even if mud cylinder component is because being subject to during the work time
The effect of suction force and deform or produce vibration, also can guarantee that the smoothness of piston motion.
For mud cylinder component when installing and using, the mud suction mouth of cylinder body connects dredging tube and sludge pipe by clack box.It is living when inhaling mud
Get back into and move back so that the endoporus of cylinder body forms vacuum, the suction mud check valve that dredging tube is connected on clack box opens (spoil disposal check valve at this time
Cut-off), mud enters in the endoporus of cylinder body from dredging tube；During spoil disposal, piston advances forms pressure to the mud in the endoporus of cylinder body
Power, the spoil disposal check valve that sludge pipe is connected on clack box are opened and (inhale the cut-off of mud check valve at this time), and mud is discharged by sludge pipe.
In this way, the Alternating Transportation of suction mud/spoil disposal can be realized by the reciprocating motion of piston.
In order to control the reciprocating action of the piston in mud cylinder component by oil pressure, mud cylinder component in the present invention is described in it
The front end endoporus of center sleeve is equipped with splicing sleeve, and the splicing sleeve is equipped with the front end support holes；Leaned on the piston rod
One end of caudal part support holes is equipped with sliding sleeve, and the piston rod is slidably matched by the tail end support holes of sliding sleeve and center sleeve；
The endoporus of the splicing sleeve, sliding sleeve it is cylindrical it is upper offer seal groove respectively, sealing ring is installed in seal groove；The center
The front end of pipe offers front end oil inlet, the inner cavity formed between the front end oil inlet connection center sleeve and piston rod；Institute
The tail end for stating center sleeve is equipped with the end socket for being used for center seal cannula end, and tail end oil inlet, institute are offered on the end socket
State the end face that caudad support holes one end is leaned on tail end oil inlet connection piston rod.
In above-mentioned technical proposal, when control pressure oil enters tail end oil inlet, under the action of oil pressure, pressure oil promotes
Piston rod advances, so as to fulfill the advance of piston；When control pressure oil enters front end oil inlet, under the action of oil pressure, pressure
Power oil promotes the sliding sleeve on piston rod that piston rod is retreated, so as to fulfill the retrogressing of piston.
In the present invention, the refuse grinder includes oil motor, gear-box, cutter shaft support frame, the oil motor tooth connection
Roller box, the babinet connection cutter shaft support frame of the gear-box, the cutter shaft support frame are equipped with the mud input end and the silt
The mud port of export, is provided with the first cutter shaft component arranged in parallel, the second cutter shaft component in the cutter shaft support frame, and described
One cutter shaft component, the second cutter shaft component, which are connected to gear-box and are driven by the gear-box, to be rotated, and first cutter shaft component,
The direction of rotation of second cutter shaft component on the contrary, first cutter shaft component, the second cutter shaft component cutter shaft on be mounted on crushing
The cutterhead of rubbish.
In above-mentioned technical proposal, two groups of cutter shafts are provided with cutter shaft support frame, shredding refuse use is mounted on cutter shaft
Cutterhead, by oil motor, gear-box drive two groups of cutter shafts rotate at the same time, positioned at the rubbish of the mud input end of cutter shaft support frame
Crushed by cutterhead, the rubbish after crushing can pass through cutter shaft support frame together with mud, be inhaled into sludge outlet end
In dredging tube, solves the blockage problem of mud.Meanwhile the rubbish after broken mixed together with mud with water after in dredging tube
In flowing it is more smooth, flow velocity faster so that substantially increase mud cleaning efficiency.
In order to further optimize mud crushing effect, the knife on first cutter shaft component of refuse grinder of the invention
Disk includes a number of the first hilted broadsword disk and the first Double-cutter, and the first hilted broadsword disk, the first Double-cutter are submitted in cutter shaft
For being spaced apart；Cutterhead on second cutter shaft component includes a number of the second hilted broadsword disk and the second Double-cutter, and institute
The second hilted broadsword disk, the second Double-cutter is stated alternately to be spaced apart on cutter shaft；First Double-cutter includes two hilted broadsword disks, and institute
State the first spacing left between two hilted broadsword disks for accommodating the second hilted broadsword dise knife tooth, first spacing and the second hilted broadsword disk
Cutter tooth transverse tooth thickness be adapted；Second Double-cutter includes two hilted broadsword disks, and is left between described two hilted broadsword disks for holding
Receive the second spacing of the first hilted broadsword dise knife tooth, second spacing is adapted with the cutter tooth transverse tooth thickness of the first hilted broadsword disk.
In order to realize that large-scale hull smoothly turns round and passes through relatively narrow and meander, the hull of the invention includes
Preceding hull, rear hull, the tail end of the preceding hull includes flat at least provided with hull connecting rod before a pair, the preceding hull connecting rod
Capable and horizontally disposed preceding hull upper connecting rod, preceding hull lower connecting rod；The front end of hull is at least provided with ship after a pair after described
Body connecting rod, the rear hull connecting rod include parallel and horizontally disposed rear hull upper connecting rod, rear hull lower connecting rod；Institute
State to be equipped between preceding hull connecting rod and rear hull connecting rod and be used to connect the preceding hull connecting rod, the hook of rear hull connecting rod
Shape connection component；The tail end of the preceding hull is equipped with the first docking plane, and the front end of the rear hull is equipped with the second docking plane,
And the first docking plane, the second docking plane fit after the docking of preceding hull, rear hull.
In above-mentioned technical proposal, dredger is connected using preceding hull, the Split assembled interconnection system structure of rear hull by hook-type
Connected components link into an integrated entity preceding hull, rear hull.Preceding hull, rear hull can be dismantled and transported respectively when so transporting, and be transported
Assembled again after to destination, solve the transportation problem of large dredger.In addition, the split using preceding hull, rear hull
The large dredger of combination interconnection system structure can also solve the problems, such as turn relatively narrow in river and in the presence of turn in the case of tortuous：
When needing to turn round, it integrally can not be successfully in the case of, first can unload hook-type connection component so that dredge in dredger
Ship is decomposed into preceding hull, rear hull two parts, then turns round respectively, again uses preceding hull, rear hull after negotiating the corner
Hook-type connection component connects.
The concrete structure of hook-type connection component is：The hook-type connection component includes stretching screw, trough of belt pressing plate, compresses spiral shell
Mother, described stretching screw one end are equipped with a pair of symmetrically arranged drag hook, the other end of the stretching screw be provided with trough of belt pressing plate,
Clamp nut, a pair of of drag hook of the stretching screw hook preceding hull lower connecting rod and rear hull lower connecting rod, the trough of belt pressure
Plate pushes down preceding hull upper connecting rod and rear hull upper connecting rod, and is compressed by clamp nut；The notch two of the trough of belt pressing plate
Side is the inclined-plane expanded outwardly, and preceding hull upper connecting rod and rear hull upper connecting rod are pushed down in the inclined-plane.
A kind of ecological dredging ship of the present invention further includes spoil disposal manifold, the sludge pipe of the first mud cylinder component, the second mud cylinder group
The sludge pipe of part connects the spoil disposal manifold by three-way pipe.
In order to realize the position adjustment of movable crane span structure so that the position adjustment of refuse grinder inhales mud position to suitable,
A kind of ecological dredging ship of the present invention further includes the drive cylinder of movable crane span structure, the activity crane span structure and hull stud connection, drives
Dynamic oil cylinder both ends respectively with movable crane span structure, hull stud connection.
In the present invention, diesel engine, hydraulic station on hull are further included, the diesel engine connects hydraulic station, described
Hydraulic station connects mud cylinder component, refuse grinder by hydraulic tube.
In the present invention, control system uses PLC controller or Control System of Microcomputer.The hydraulic station of offer oil motor power,
Control mud cylinder component and the solenoid valve of movable crane span structure action are controlled by control system.
In the present invention, generator is equipped with hull, the control system for dredger is powered.
Improved as to the further of the refuse grinder in the present invention, use is additionally provided with refuse grinder of the invention
In the first cutter shaft component of measurement, the torque sensor of the cutter shaft moment of torsion of the second cutter shaft component, the torque sensor is installed on oil
Between the output shaft of motor and the input shaft of gear-box, and the moment of torsion detection axis at the both ends of torque sensor connects oil motor respectively
Output shaft and gear-box input shaft；Meanwhile flow regulating and controlling valve is additionally provided with the oil inlet pipe of oil motor, the stream
Amount adjusting control valve is connected with control system.
When refuse grinder works, when running into larger rubbish incidental, cause the first cutter shaft component, second on crusher
When the resistance of cutter shaft component is larger, the resistance of oil motor output shaft can synchronously increase, its resistance increased can be by torque sensor
Detect, the aperture of flow regulating and controlling valve is adjusted by control system, so that the output power for adjusting oil motor increases,
Achieve the purpose that refuse grinder power adjusting, realize the optimization of crushing efficiency.
The beneficial effects of the invention are as follows：
First, a kind of ecological dredging ship of the invention, by setting refuse grinder on movable crane span structure, solve containing
The mud of more rubbish incidental is easily the inner pipeline plug plug the problem of.And the refuse grinder of the present invention is using the double of special designing
Cutter shaft component structure, its mud crush efficient.Be conducive to break rubbish in addition, refuse grinder is arranged on movable crane span structure
The broken underwater depth of machine is controlled adjusting, and the accurate control of depth is realized by control system, so as to reach optimal clear
Silt effect.
Second, a kind of ecological dredging ship of the invention, mud cylinder component uses in pairs as core component, by controlling two
The suction mud of mud cylinder component, spoil disposal action so that when a mud cylinder component inhales mud, another mud cylinder component spoil disposal, i.e. two mud cylinders
The suction mud of component, spoil disposal alternately, realize inhale mud work continuously and sludge pipe in mud continuous conveying, so as into
The efficiency of dredging operation is improved again.Meanwhile vacuum suction suction is strong, it is possible to achieve the processing of high solid content mud, and pass through mud
The vacuum suction effect of cylinder component, will not cause secondarily polluted water during dredging operation, the feature of environmental protection is good.In addition, in the present invention
Mud cylinder component is simple in structure, appearance and size is small, and horizontal installation can be used so to cause dredging to control the height of hull
Ship also can smoothly pass through in the relatively low small-sized river of the headroom absolute altitude of bridge.
3rd, a kind of ecological dredging ship of the invention, using the Split assembled interconnection system structure of preceding hull, rear hull, leads to
Cross hook-type connection component preceding hull, rear hull link into an integrated entity.Preceding hull, rear hull can be dismantled and transported respectively when so transporting
It is defeated, assembled again after transporting to destination, solve the transportation problem of large dredger.In addition, the hook-type in the present invention connects
Connected components lower end uses flute profile pressing plate using symmetrical hook-type, upper end, its connection reliability is good.
4th, a kind of ecological dredging ship of the invention, in the case of also solving and presence turn complications relatively narrow in river
Turn problem：When needing to turn round, it integrally can not be successfully in the case of, first can unload hook-type connection component in dredger
Under so that dredger is decomposed into preceding hull, rear hull two parts, then turns round respectively, again by preceding ship after negotiating the corner
Body, rear hull are connected with hook-type connection component.
5th, a kind of ecological dredging ship of the invention, its refuse grinder is equipped with flow regulating and controlling valve and moment of torsion
Sensor, it can under control of the control system, the moment of torsion measured according to torque sensor, adjusts flow-rate adjustment control in time
The flow of valve, achievees the purpose that adjustment, the power for controlling refuse grinder, optimization refuse grinder crushing efficiency, plays at the same time
Energy-conserving action.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of ecological dredging ship of the present invention；
Fig. 2 is the top view of Fig. 2；
Fig. 3 is the structure diagram that mud cylinder component is installed in the mud cylinder cabin of hull；
Fig. 4 is the structure diagram of mud cylinder component；
Fig. 5 is the left view of Fig. 4；
Fig. 6 is the partial enlarged view of the fore-end comprising center sleeve in Fig. 4；
Fig. 7 is the partial enlarged view of the end section comprising center sleeve in Fig. 4；
Fig. 8 is the structure diagram of refuse grinder；
Fig. 9 is the left view (section view of the part of support frame containing cutter shaft) of Fig. 8；
Figure 10 is the top view of Fig. 8；
Figure 11 is the attachment structure schematic diagram of preceding hull and rear hull；
Figure 12 is Figure 11 (part) top view；
Figure 13 is the partial enlarged view of Figure 12；
Figure 14 is the structure diagram of hook-type connection component part；
Figure 15 is the structure diagram for having installed torque sensor on the refuse grinder in Figure 10 additional；
Figure 16 is the outline structural diagram of torque sensor.
In figure：1010th, hull, 1020, movable crane span structure, 1030, refuse grinder, the 1040, first mud cylinder component, 1050,
Second mud cylinder component, 1060, clack box, 1070, inhale mud check valve, 1080, spoil disposal check valve, 1090, dredging tube, 1100, spoil disposal
Pipe, 1110, spoil disposal manifold, 1120, maintenance shut-off valve, 1130, drive cylinder, 1140, diesel engine, 1150, hydraulic station,
1160th, generator, 1170, ballast tank, 1180, independent oil tank, 1190, cooling water tank, 1200, main distribution board, 1210, electric power storage
Pond, 1220, charger, 1230, the fore-end of dredging tube, 1240, mud cylinder cabin；
In figure：61st, cylinder body, 62, piston, 63, piston rod, 64, piston rod bearing, 65, mud cylinder cap plate, 66, center sleeve,
67th, the front end of center sleeve, 68, the tail end of center sleeve, 69, ball-type motion pair, 70, splicing sleeve, 71, sliding sleeve, 72, front end into
Hydraulic fluid port, 73, end socket, 74, tail end oil inlet, 75, connecting flange, 76, installation sole, 77, anti-rotation guide rod；
In figure：40th, oil motor, 41, gear-box, 42, cutter shaft support frame, 43, the babinet of gear-box, the 45, first cutter shaft group
Part, the 46, second cutter shaft component, the 47, first hilted broadsword disk, the 48, first Double-cutter, the 49, second hilted broadsword disk, the 50, second Double-cutter,
51st, first is open, and 52, second is open；
In figure：10th, preceding hull, 11, preceding hull upper connecting rod, 12, preceding hull lower connecting rod, 13, the tail end of preceding hull,
14th, the first docking plane, 15, groove, 16, the front end of preceding hull；
In figure：20th, rear hull, 21, rear hull upper connecting rod, 22, rear hull lower connecting rod, 23, the front end of rear hull,
24th, the second docking plane；25th, the tail end of rear hull
In figure：30th, hook-type connection component, 31, stretching screw, 32, trough of belt pressing plate, 33, clamp nut, 34, drag hook；
In figure：A is mud input end, and B is sludge outlet end.
In figure：800th, torque sensor.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is further described.Following embodiments are only
For clearly illustrating technical scheme, and it is not intended to limit the protection scope of the present invention and limits the scope of the invention.
As Fig. 1 to 16 show a kind of embodiment of ecological dredging ship of the present invention, including hull 1010, in the hull
1010 front end is equipped with movable crane span structure 1020, and the front end of the activity crane span structure 1020 is equipped with the refuse grinder of hydraulic-driven
1030, the refuse grinder 1030 is equipped with mud input end A and sludge outlet end B, and one is equipped with the hull 1010
To being hydraulically operated and for inhaling the mud cylinder component of mud and spoil disposal, a pair of of mud cylinder component includes the first mud cylinder component
1040 and the second mud cylinder component 1050, the mud suction mouth of the first mud cylinder component 1040 and the second mud cylinder component 1050 connect respectively
Have a clack box 1060, the clack box 1060 is equipped with the suction mud check valve 1070 that valve is opened when being used to inhale mud, for spoil disposal when valve
The spoil disposal check valve 1080 that door is opened, is connected with dredging tube 1090 on the suction mud check valve 1070, the dredging tube 1090 with
The sludge outlet end B of refuse grinder 1030 is connected, and sludge pipe 1100 is connected with the spoil disposal check valve 1080.
In above-mentioned technical proposal, the front end activity crane span structure 1020 of dredger is equipped with refuse grinder 1030, and mud is from broken
The mud input end A of broken machine enters refuse grinder 1030, and mud by dredging tube 1090, clack box 1060 is inhaled into mud after crushing
Cylinder component, is then delivered in sludge pipe 1100, solves the problems, such as the pipeline blockage because caused by mud clod is larger；Meanwhile
Mud cylinder component uses in pairs as core component, by controlling the suction mud of two mud cylinder components, spoil disposal to act so that a mud cylinder
When component inhales mud, another mud cylinder component spoil disposal, i.e., the suction mud of two mud cylinder components, spoil disposal alternately, realize the company of suction mud
The continuous conveying of mud in continuous operation and sludge pipe, so as to significantly improve the efficiency of dredging operation.
The concrete structure of mud cylinder component is：The mud cylinder component includes cylinder body 61, piston 62, piston rod 63, piston rod branch
Seat 64, the piston 62 are installed in the endoporus of cylinder body 61, and the piston rod bearing 64 includes mud cylinder cap plate 65, center sleeve
66, one end of the cylinder body 61 connection mud cylinder cap plate 65, the mud cylinder cap plate 65 is equipped with central bore, before the center sleeve
End 67 is connected with the central bore of mud cylinder cap plate 65, and the tail end 68 of the center sleeve extends away from the direction of cylinder body 61
Set, and the front end 67 of the center sleeve and tail end 68 are respectively provided with the front end support holes of the positioning of piston rod 63, tail end
Support holes, the piston rod 63 are slidably matched with the front end support holes, tail end support holes respectively, close on the piston rod 63
One end of front end support holes is connected with the piston 62 by ball-type motion pair 69.
In above-described embodiment, the piston 62 in cylinder body is connected with piston rod 63, passes through the front and rear shifting of control piston bar 63
The dynamic reciprocating motion that piston 62 can be achieved.Wherein, piston 62 with piston rod 63 is connected by crossing ball-type motion pair 69, its
The relative position deviation of piston and piston rod caused by manufacture or installation error is can compensate for, even if mud during the work time
Cylinder component also can guarantee that the smoothness of piston motion because deforming or producing vibration being subject to the effect of suction force.
For mud cylinder component when installing and using, the mud suction mouth of cylinder body connects dredging tube and sludge pipe by clack box.It is living when inhaling mud
Plug 63 retracts so that the endoporus of cylinder body 61 forms vacuum, and the suction mud check valve that dredging tube is connected on clack box opens (spoil disposal list at this time
End to valve), mud enters in the endoporus of cylinder body from dredging tube；During spoil disposal, piston 62 advances to the silt in the endoporus of cylinder body 61
Mud forms pressure, and the spoil disposal check valve that sludge pipe is connected on clack box is opened and (inhales the cut-off of mud check valve at this time), and mud passes through spoil disposal
Pipe is discharged.In this way, the Alternating Transportation of suction mud/spoil disposal can be realized by the reciprocating motion of piston 62.
In order to control the reciprocating action of the piston in mud cylinder component by oil pressure, its institute of mud cylinder component in the present embodiment
67 endoporus of front end for stating center sleeve is equipped with splicing sleeve 70, and the splicing sleeve 70 is equipped with the front end support holes；The work
One end on stopper rod 63 by caudal part support holes is equipped with sliding sleeve 71, and the piston rod 63 passes through sliding sleeve 71 and the tail end of center sleeve
68 support holes are slidably matched；The endoporus of the splicing sleeve 70, sliding sleeve 71 it is cylindrical it is upper offer seal groove respectively, peace in seal groove
Equipped with sealing ring；The front end 67 of the center sleeve offers front end oil inlet 72, and the front end oil inlet 72 connects center
The inner cavity formed between pipe 66 and piston rod 63；The tail end 68 of the center sleeve is equipped with the envelope for center seal cannula end
First 73, tail end oil inlet 74 is offered on the end socket 73, the tail end oil inlet 74 connects and leans on caudad branch on piston rod 63
The end face of bearing bore one end.
In above-described embodiment, when control pressure oil enters tail end oil inlet 74, under the action of oil pressure, pressure oil promotes
Piston rod 63 advances, so as to fulfill the advance of piston 62；When control pressure oil enters front end oil inlet 72, in the effect of oil pressure
Under, pressure oil promotes the sliding sleeve 71 on piston rod 63 so that piston rod 63 retreats, so as to fulfill the retrogressing of piston 62.
In the present embodiment, the refuse grinder includes oil motor 40, gear-box 41, cutter shaft support frame 42, the oil horse
Up to 40 tooth connection roller boxs 41, the babinet connection cutter shaft support frame 42 of the gear-box 41, the cutter shaft support frame 42 is equipped with mud
Input end A, the sludge outlet end B being connected with the mud suction pipe of dredger, in the cutter shaft support frame 42 be provided with it is mutually flat
The first cutter shaft component 45, the second cutter shaft component 46 of row setting, first cutter shaft component 45, the second cutter shaft component 46 are connected to
Gear-box 41 simultaneously drives rotation, and first cutter shaft component 45, the rotation side of the second cutter shaft component 46 by the gear-box 41
To on the contrary, first cutter shaft component 45, the second cutter shaft component 46 cutter shaft on be mounted on the cutterhead of shredding refuse.
In above-described embodiment, two groups of cutter shafts are provided with cutter shaft support frame 42, shredding refuse use is mounted on cutter shaft
Cutterhead, by oil motor 40, gear-box 41 drive two groups of cutter shafts rotate at the same time, positioned at the mud input end A of cutter shaft support frame
Rubbish crushed by cutterhead, it is broken after rubbish can pass through cutter shaft support frame 42 together with mud, be inhaled into mud
In the dredging tube of port of export B, solves the blockage problem of mud.Meanwhile the rubbish after broken is mixed together with mud with water
Flowing afterwards in dredging tube is more smooth, flow velocity faster so that substantially increase mud cleaning efficiency.
In order to further optimize mud crushing effect, on first cutter shaft component 45 of the refuse grinder of the present embodiment
Cutterhead include a number of the first hilted broadsword disk 47 and the first Double-cutter 48, and the first hilted broadsword disk 47, the first Double-cutter
48 are alternately spaced apart on cutter shaft；Cutterhead on second cutter shaft component 46 includes a number of 49 He of the second hilted broadsword disk
Second Double-cutter 50, and the second hilted broadsword disk 49, the second Double-cutter 50 are alternately spaced apart on cutter shaft；First double-pole
Disk 48 includes two hilted broadsword disks, and is left between described two hilted broadsword disks between first for accommodating 49 cutter tooth of the second hilted broadsword disk
Away from first spacing is adapted with the cutter tooth transverse tooth thickness of the second hilted broadsword disk 49；Second Double-cutter 50 includes two hilted broadsword disks,
And the second spacing for accommodating 47 cutter tooth of the first hilted broadsword disk, second spacing and first are left between described two hilted broadsword disks
The cutter tooth transverse tooth thickness of hilted broadsword disk 47 is adapted.
In order to realize that large-scale hull smoothly turns round and passes through relatively narrow and meander, the hull bag of the present embodiment
Preceding hull 10, rear hull 20 are included, the tail end 13 of the preceding hull is at least provided with hull connecting rod before a pair, the preceding hull connection
Bar includes parallel and horizontally disposed preceding hull upper connecting rod 11, preceding hull lower connecting rod 12；It is described after hull front end 23 to
It is few be equipped with it is a pair of after hull connecting rod, it is described after hull connecting rod include it is parallel and horizontally disposed after hull upper connecting rod 21,
Hull lower connecting rod 22 afterwards；It is equipped between the preceding hull connecting rod and rear hull connecting rod and is used to connect the preceding hull connection
The hook-type connection component 30 of bar, rear hull connecting rod；The tail end 13 of the preceding hull is equipped with the first docking plane 14, the rear ship
The front end 23 of body is equipped with the second docking plane 24, and the first docking plane 14, second after the docking of preceding hull 10, rear hull 20
Docking plane 24 fits.
In above-described embodiment, dredger passes through hook-type using preceding hull 10, the Split assembled interconnection system structure of rear hull 20
Connection component 30 links into an integrated entity preceding hull 10, rear hull 20.Preceding hull, rear hull can be dismantled and transported respectively when so transporting
It is defeated, assembled again after transporting to destination, solve the transportation problem of large dredger.In addition, using preceding hull, rear hull
Split assembled interconnection system structure large dredger can also solve it is relatively narrow in river and exist turn round it is tortuous in the case of turning
Curved problem：When needing to turn round, it integrally can not be successfully in the case of, first can unload hook-type connection component in dredger,
So that dredger is decomposed into preceding hull, rear hull two parts, then turn round respectively, after negotiating the corner again by preceding hull,
Hull is connected with hook-type connection component afterwards.
The concrete structure of hook-type connection component 30 is：The hook-type connection component 30 includes stretching screw 31, trough of belt pressing plate
32nd, clamp nut 33, described 31 one end of stretching screw are equipped with a pair of symmetrically arranged drag hook 34, the stretching screw 31 it is another
End is provided with trough of belt pressing plate 32, clamp nut 33, before a pair of of drag hook 34 of the stretching screw hooks hull lower connecting rod 12 and
Hull lower connecting rod 22 afterwards, the trough of belt pressing plate 32 pushes down preceding hull upper connecting rod 11 and rear hull upper connecting rod 21, and passes through
Clamp nut 33 compresses；The notch both sides of the trough of belt pressing plate 32 are the inclined-plane expanded outwardly, before the inclined-plane is pushed down on hull
Connecting rod 11 and rear hull upper connecting rod 21.
A kind of ecological dredging ship of the present embodiment further includes spoil disposal manifold 1110, the sludge pipe of the first mud cylinder component 1040,
The sludge pipe of second mud cylinder component 1050 connects the spoil disposal manifold 1110 by three-way pipe.
In order to realize the position adjustment of movable crane span structure 1020 so that the position adjustment of refuse grinder 1030 is inhaled to suitable
Mud position, a kind of ecological dredging ship of the present embodiment further include the drive cylinder 1130 of movable crane span structure 1020, the activity crane span structure
1020 with 1010 stud connection of hull, 1130 both ends of drive cylinder respectively with movable crane span structure 1020,1010 stud connection of hull.
In the present embodiment, diesel engine 1140, hydraulic station 1150 on hull are further included, the diesel engine 1140 connects
Hydraulic station 1150 is connect, the hydraulic station 1150 connects mud cylinder component, refuse grinder 1030 by hydraulic tube.
In the present embodiment, control system uses PLC controller or Control System of Microcomputer.The hydraulic station of oil motor power is provided
1150th, the solenoid valve (being not drawn into figure) that mud cylinder component and movable crane span structure 1020 act is controlled to be controlled by control system.
In the present embodiment, generator 1160 is equipped with hull, the control system for dredger is powered.
Improve as to the further of the refuse grinder in the present invention, also set up on refuse grinder 1030 of the invention
Be useful for measurement the first cutter shaft component 45, the second cutter shaft component 46 cutter shaft moment of torsion torque sensor 800, the torque sensing
Device 800 is installed between the output shaft of oil motor 40 and the input shaft of gear-box 41, and the moment of torsion at the both ends of torque sensor 800
Detection axis connects the output shaft of oil motor 40 and the input shaft of gear-box 41 respectively；Meanwhile on the oil inlet pipe of oil motor also
(it is not drawn into equipped with flow regulating and controlling valve in figure), the flow regulating and controlling valve is connected with control system.
When refuse grinder 1030 works, when running into larger rubbish incidental, cause the first cutter shaft component on crusher
45th, when the resistance of the second cutter shaft component 46 is larger, the resistance of 40 output shaft of oil motor can synchronously increase, its resistance increased can quilt
Torque sensor 800 detects, the aperture of flow regulating and controlling valve is adjusted by control system, so that adjusting oil motor
Output power increases, and achievees the purpose that refuse grinder power adjusting, realizes the optimization of crushing efficiency.
In the present embodiment, the fore-end 1230 of dredging tube is made of rubber hose, with adaptive act crane span structure 1020
The change of position.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of ecological dredging ship, it is characterised in that including hull, movable crane span structure, the work are equipped with the front end of the hull
The front end of dynamic crane span structure is equipped with the refuse grinder of hydraulic-driven, and the refuse grinder is equipped with mud input end and sludge outlet
End, is equipped with a pair of being hydraulically operated and for inhaling the mud cylinder component of mud and spoil disposal, a pair of of mud cylinder on the hull
Component includes the mud suction mouth difference of the first mud cylinder component and the second mud cylinder component, the first mud cylinder component and the second mud cylinder component
Be connected with clack box, what the clack box was equipped with that valve when being used to inhale mud opens inhale mud check valve, for spoil disposal when valve open
Spoil disposal check valve, described inhale are connected with dredging tube, the sludge outlet end phase of the dredging tube and refuse grinder on mud check valve
Connect, sludge pipe is connected with the spoil disposal check valve.
A kind of 2. ecological dredging ship according to claim 1, it is characterised in that the mud cylinder component include cylinder body, piston,
Piston rod, piston rod bearing, the piston are installed in the endoporus of cylinder body, and the piston rod bearing includes mud cylinder cap plate, center
Casing, one end connection mud cylinder cap plate of the cylinder body, the mud cylinder cap plate are equipped with central bore, the front end of the center sleeve and
The central bore of mud cylinder cap plate is connected, and the tail end of the center sleeve is extended away from the direction of cylinder body, and described
The front end of center sleeve and tail end are respectively provided with the front end support holes of piston rod positioning, tail end support holes, the piston rod
It is slidably matched respectively with the front end support holes, tail end support holes, one end by front end support holes and institute on the piston rod
Piston is stated by ball-type motion pair to be connected.
3. a kind of ecological dredging ship according to claim 2, it is characterised in that the front end endoporus of the center sleeve is equipped with
Splicing sleeve, and the splicing sleeve is equipped with the front end support holes；One end on the piston rod by caudal part support holes is equipped with
Sliding sleeve, the piston rod are slidably matched by the tail end support holes of sliding sleeve and center sleeve；The endoporus of the splicing sleeve, sliding sleeve
It is cylindrical it is upper offer seal groove respectively, sealing ring is installed in seal groove；The front end of the center sleeve offers front end oil inlet
Mouthful, the inner cavity formed between the front end oil inlet connection center sleeve and piston rod；The tail end of the center sleeve, which is equipped with, to be used
In offering tail end oil inlet on the end socket of center seal cannula end, the end socket, the tail end oil inlet connects piston rod
The upper end face by caudad support holes one end.
A kind of 4. ecological dredging ship according to claim 1, it is characterised in that the refuse grinder include oil motor,
Gear-box, cutter shaft support frame, the oil motor tooth connection roller box, the babinet connection cutter shaft support frame of the gear-box, the knife
Axis support frame is equipped with the mud input end and the sludge outlet end, is provided with the cutter shaft support frame arranged in parallel
The first cutter shaft component, the second cutter shaft component, first cutter shaft component, the second cutter shaft component are connected to gear-box and by described
Gear-box drives rotation, and the direction of rotation of first cutter shaft component, the second cutter shaft component is on the contrary, the first cutter shaft group
Part, the second cutter shaft component cutter shaft on be mounted on the cutterhead of shredding refuse.
A kind of 5. ecological dredging ship according to claim 4, it is characterised in that the cutterhead bag on first cutter shaft component
Include a number of the first hilted broadsword disk and the first Double-cutter, and between the first hilted broadsword disk, the first Double-cutter replace on cutter shaft
Every distribution；Cutterhead on second cutter shaft component includes a number of the second hilted broadsword disk and the second Double-cutter, and described
Two hilted broadsword disks, the second Double-cutter are alternately spaced apart on cutter shaft；First Double-cutter includes two hilted broadsword disks, and described two
The first spacing for accommodating the second hilted broadsword dise knife tooth, first spacing and the knife of the second hilted broadsword disk are left between a hilted broadsword disk
Tooth transverse tooth thickness is adapted；Second Double-cutter includes two hilted broadsword disks, and is left between described two hilted broadsword disks for accommodating the
Second spacing of one hilted broadsword dise knife tooth, second spacing are adapted with the cutter tooth transverse tooth thickness of the first hilted broadsword disk.
A kind of 6. ecological dredging ship according to claim 1, it is characterised in that the hull includes preceding hull, rear hull,
The tail end of the preceding hull includes parallel and horizontally disposed at least provided with hull connecting rod before a pair, the preceding hull connecting rod
Preceding hull upper connecting rod, preceding hull lower connecting rod；The front end of hull is at least provided with hull connecting rod after a pair after described, after described
Hull connecting rod includes parallel and horizontally disposed rear hull upper connecting rod, rear hull lower connecting rod；The preceding hull connecting rod
It is equipped between rear hull connecting rod and is used to connect the preceding hull connecting rod, the hook-type connection component of rear hull connecting rod；Institute
The tail end of hull is equipped with the first docking plane before stating, and the front end of the rear hull is equipped with the second docking plane, and preceding hull, rear ship
The first docking plane, the second docking plane fit after body docking.
7. a kind of ecological dredging ship according to claim 6, it is characterised in that the hook-type connection component includes tensing spiral shell
Bar, trough of belt pressing plate, clamp nut, described stretching screw one end are equipped with a pair of symmetrically arranged drag hook, the stretching screw it is another
One end is provided with trough of belt pressing plate, clamp nut, and a pair of of drag hook of the stretching screw hooks preceding hull lower connecting rod and rear hull
Lower connecting rod, the trough of belt pressing plate pushes down preceding hull upper connecting rod and rear hull upper connecting rod, and is compressed by clamp nut；Institute
The notch both sides for stating trough of belt pressing plate are the inclined-plane expanded outwardly, and the inclined-plane is pushed down to be connected on preceding hull upper connecting rod and rear hull
Bar.
8. a kind of ecological dredging ship according to claim 1, it is characterised in that further include spoil disposal manifold, the first mud cylinder group
The sludge pipe of part, the sludge pipe of the second mud cylinder component connect the spoil disposal manifold by three-way pipe.
A kind of 9. ecological dredging ship according to claim 1, it is characterised in that the drive cylinder of movable crane span structure is further included,
Activity crane span structure and the hull stud connection, drive cylinder both ends respectively with movable crane span structure, hull stud connection.
10. a kind of ecological dredging ship according to claim 4, it is characterised in that be additionally provided with and be used on refuse grinder
Measure the first cutter shaft component, the second cutter shaft component cutter shaft moment of torsion torque sensor, the torque sensor is installed on oily horse
Between the output shaft and the input shaft of gear-box that reach, and the moment of torsion detection axis at the both ends of torque sensor connects oil motor respectively
The input shaft of output shaft and gear-box；Meanwhile flow regulating and controlling valve is additionally provided with the oil inlet pipe of oil motor, the flow
Adjusting control valve is connected with control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711422549.XA CN107989106A (en) | 2017-12-25 | 2017-12-25 | A kind of ecological dredging ship |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711422549.XA CN107989106A (en) | 2017-12-25 | 2017-12-25 | A kind of ecological dredging ship |
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Cited By (5)
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| CN108894266A (en) * | 2018-06-27 | 2018-11-27 | 安徽佳明环保科技股份有限公司 | A kind of silt dredging device for river and lake dredging |
| CN112081168A (en) * | 2020-09-22 | 2020-12-15 | 姚丰伟 | Engineering mechanical equipment with tensioning mechanism for dredging and arranging river channel |
| CN112682038A (en) * | 2021-01-18 | 2021-04-20 | 平顶山天安煤业股份有限公司 | Intelligent full-section shovel plate of heading machine for coal mine tunnel and tunnel |
| CN113248076A (en) * | 2021-04-09 | 2021-08-13 | 宁波市鄞州区水利水电勘测设计院 | Polluted city internal lake water quality purification and water ecological restoration system |
| CN118513107A (en) * | 2024-06-25 | 2024-08-20 | 中铁十四局集团装备有限公司 | Energy-saving crusher |
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