CN214090073U - A equipment for river course desilting - Google Patents
A equipment for river course desilting Download PDFInfo
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- CN214090073U CN214090073U CN202022765719.8U CN202022765719U CN214090073U CN 214090073 U CN214090073 U CN 214090073U CN 202022765719 U CN202022765719 U CN 202022765719U CN 214090073 U CN214090073 U CN 214090073U
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Abstract
The utility model relates to a device for dredging river channels, which comprises a construction ship, wherein a sludge cabin is arranged on the construction ship, a parking device is arranged at the bow of the construction ship, a notch is arranged at the stern of the construction ship, and a dredging device is arranged in the notch; the dredging device comprises rails arranged on two sides of the notch, a truss is arranged on the rails, and rail wheels moving along the rails and a longitudinal moving hydraulic pump driving the rail wheels to rotate are arranged at two ends of the truss; a base is arranged on the truss, truss wheels moving along the truss and a transverse hydraulic pump driving the truss wheels to rotate are arranged on two sides of the base; a dredge pump is arranged on the base, a conveying pipeline is arranged on an outlet of the dredge pump, an inlet of the dredge pump penetrates through the lower part of the base and is connected with a lifting corrugated pipe, and a dredge head is arranged at the lower end of the lifting corrugated pipe; still including lifting device who promotes and transfer to the suction head and carry out blowing of stirring to submarine silt and stir the device. The utility model has the advantages of reasonable design, can the fixed point formula desilting, provide multiple desilting mode.
Description
Technical Field
The utility model belongs to the technical field of the river course facility, especially, relate to an equipment for river course desilting.
Background
River channel siltation increasingly affects normal performance of various functions such as flood control, waterlogging drainage, irrigation, water supply, navigation and the like, and in order to recover normal functions of a river channel and promote rapid and continuous development of the economic society, river channel dredging engineering is required, which is one of important works for river channel maintenance. River channel desilting generally refers to the treatment of river channels, and belongs to hydraulic engineering. The sludge deposited on the river bottom can be blown and stirred into turbid water by an operation mode of combining manual cleaning and mechanical equipment cleaning, flows away along with river water to play a role in dredging, and can also be absorbed on a transportation facility and conveyed to land for treatment such as sludge drying.
Along with the development of technology, the river course desilting engineering is changed to mechanized mode by traditional mode of heavily weighing artifical clearance gradually, through introducing mechanized river course desilting equipment, reduces personnel's intensity of labour, promotes the progress efficiency of river course desilting work. The existing dredging equipment for the river channel usually comprises a self-floating platform, wherein personnel or small-sized machinery (such as a small excavator and the like) are positioned on the self-floating platform, the self-floating platform runs along the river channel, and the accompanying personnel and machinery carry out dredging operation.
The river channel dredging equipment with the structure has the following problems: firstly, the self-floating platform is not easy to stop on the water surface, so that fixed-point dredging work cannot be carried out; secondly, the existing dredging equipment has single function and can only carry out dredging in a simple excavation mode generally; moreover, the existing equipment can not carry out the sludge blowing and stirring type and/or sludge absorption type dredging measures, so that the dredging effect is difficult to meet the requirement.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the technical problem that exists among the known art and provide a structural design reasonable, can the fixed point formula desilting, provide the equipment that is used for the river course desilting of multiple desilting mode.
The utility model discloses a solve the technical scheme that technical problem that exists was taken and be:
an apparatus for dredging a river channel comprises a construction ship, wherein a sludge cabin is arranged on the construction ship, a parking device is arranged at the bow of the construction ship, a gap is arranged at the stern of the construction ship, and a dredging device is arranged in the gap; the dredging device comprises rails arranged on two sides of the notch, a truss is arranged on the rails, and rail wheels moving along the rails and a longitudinal moving hydraulic pump driving the rail wheels to rotate are arranged at two ends of the truss; a base is arranged on the truss, truss wheels moving along the truss and a transverse hydraulic pump driving the truss wheels to rotate are arranged on two sides of the base; a dredge pump is arranged on the base, a conveying pipeline is arranged on an outlet of the dredge pump, an inlet of the dredge pump penetrates through the lower part of the base and is connected with a lifting corrugated pipe, and a dredge head is arranged at the lower end of the lifting corrugated pipe; still including lifting device who promotes and transfer to the suction head and blow that to stir the device to submarine silt.
Preferably: the lifting device comprises a lifting plate, and the mud suction head is fixedly arranged on the lifting plate; the base is also provided with a guide rod and a lifting screw rod, the lifting plate is provided with a guide hole and a threaded hole, the guide rod is positioned in the guide hole, and the lifting screw rod is positioned in the threaded hole; and a mud suction adjusting hydraulic pump for driving the lifting screw rod is also arranged on the base.
Preferably: the two groups of blowing and stirring devices are respectively positioned at two sides of the mud suction head; the blowing and stirring device comprises two lifters arranged on the base and two lifting hydraulic pumps for driving the lifters; the first screw rod is installed on one of the lifters, the first blowing and stirring hydraulic pump is installed at the lower end of the first screw rod, the first impeller is installed on an output shaft of the first blowing and stirring hydraulic pump, the second screw rod is installed on the other lifter, the second blowing and stirring hydraulic pump is installed at the lower end of the second screw rod, and the second impeller is installed on an output shaft of the second blowing and stirring hydraulic pump.
Preferably: the number of the mud pumps is two, correspondingly, two groups of lifting corrugated pipes and mud suction heads are provided, and two groups of conveying pipelines are provided.
Preferably: the conveying pipeline comprises a conveying hard pipe directly connected with the outlet of the mud pump, and a conveying corrugated pipe is installed at the end part of the conveying hard pipe.
Preferably: a transfer mud bucket is arranged at the end part of the truss, and a conveying corrugated pipe is connected to the transfer mud bucket; the transfer mud bucket is connected with the mud bin through a transfer corrugated pipe.
Preferably: a first collecting screen plate and a second collecting screen plate are respectively arranged on two sides of the truss, the first collecting screen plate is hinged with one side of the truss, and the second collecting screen plate is hinged with the other side of the truss; still including the drive collect otter board pivoted first hydraulic pump and the second hydraulic pump that verts of verting.
Preferably: the parking device comprises a steel pile guide bracket arranged at the bow position of the construction ship, and two vertical positioning steel piles are arranged on the steel pile guide bracket; and a steel pile lifter for driving the positioning steel pile to lift is also arranged at the bow of the construction ship.
Preferably: install the silt pipeline on the silt storehouse, be equipped with the dredge pump at the bottom of the storehouse in silt storehouse, the export butt joint of silt pipeline and dredge pump is connected.
Preferably: and a safety guardrail is arranged on the periphery of the deck of the construction ship.
Compare with current desilting equipment, the utility model discloses in combine together through boats and ships and the desilting device of will being under construction, realized the construction of motor-driven nimble desilting. The stop device is arranged on the construction ship, so that the dredging equipment can be fixedly stopped in a water area, and fixed-point dredging construction is realized. Through setting up the desilting device by pipeline, dredge pump, promotion bellows, inhale the mud head and blow and stir device etc. and constitute, realized that silt blows the desilting mode of stirring formula and/or silt absorption formula, the desilting mode is diversified, can select the desilting mode according to the particular case in desilting waters, has guaranteed the effect of river course desilting. Through setting up track and truss, make the base can transversely move in construction vessel's afterbody breach and longitudinal movement in order to adjust the effect position of desilting, realized accurate position desilting.
Drawings
Fig. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the structure of the marine installation of FIG. 1;
FIG. 3 is a schematic structural view of the dredging apparatus of FIG. 1;
fig. 4 is a schematic structural view of the main body part of the dredging device in fig. 3.
In the figure:
1. constructing a ship; 1-1, gap;
2. a steel pile guide bracket; 3. positioning the steel pile; 4. a steel pile lifter; 5. a sludge bin; 6. a sludge pipeline; 7. a cabin room; 8. a safety barrier;
9. a dredging device; 9-1, a transit mud bucket; 9-2, conveying corrugated pipes; 9-3, track; 9-4, a base; 9-5, a first collecting screen plate; 9-6, a first tilting hydraulic pump; 9-7, trusses; 9-8, rail wheels; 9-9, longitudinally moving a hydraulic pump; 9-10, a second tilting hydraulic pump; 9-11, a second collecting screen plate; 9-12, conveying hard pipes; 9-13, a mud pump; 9-14, a lifter; 9-15, transversely moving the hydraulic pump; 9-16, lifting the corrugated pipe; 9-17, a first lead screw; 9-18, guide rod; 9-19, a first blowing and stirring hydraulic pump; 9-20, a first impeller; 9-21, a mud suction head; 9-22, and a second blowing and stirring hydraulic pump; 9-23, a second impeller; 9-24, a lifting plate; 9-25, a lifting screw rod; 9-26, a second lead screw; 9-27, a mud suction adjusting hydraulic pump; 9-28, stirring and adjusting a hydraulic pump; 9-29, truss wheel.
Detailed Description
For further understanding of the contents, features and effects of the present invention, the following embodiments are described in detail.
Referring to fig. 1 and 2, the utility model discloses an equipment for river dredging, including construction vessel 1, be equipped with silt storehouse 5 on construction vessel 1, be equipped with the parking device at the bow of construction vessel 1, the stern is equipped with breach 1-1, installs dredging device 9 in breach 1-1.
The silt bin 5 is used for loading silt obtained by dredging, the parking device is used for parking the construction ship 1 in a dredging water area, and the gap 1-1 at the stern leaves a space for transverse translation and longitudinal translation for the dredging device 9.
As shown in fig. 2, the cabin 7 is located at a middle deck position of the construction vessel 1, and provides traveling and parking control of the construction vessel 1, and also provides control functions of position adjustment of the dredging device 9, dredging construction start-stop adjustment, and the like.
In order to ensure the safety, a safety guardrail 8 is arranged on the periphery of a deck of the construction ship 1, the safety guardrail 8 at least covers the area from a ship chamber 7 to the bow, the area is the area with frequent personnel activities, and personnel falling into the water is avoided by arranging the safety guardrail 8.
Referring to fig. 1 and 2, it can be seen that: the parking device comprises a steel pile guide bracket 2 arranged at the bow position of the construction ship 1, and two vertical positioning steel piles 3 are arranged on the steel pile guide bracket 2; and a steel pile lifter 4 for driving the positioning steel pile 3 to lift is also arranged at the bow of the construction ship 1.
Specifically, piling bar lift 4 can be two pneumatic cylinders of vertical setting, with the piston rod fixed connection of two location piling bar 3 and two pneumatic cylinders, like this under two piling bar lift 4's drive action, two location piling bar 3 can go up and down in step or go up and down alone, and the lower extreme of location piling bar 3 is most advanced, and the most advanced inserts in submarine silt after descending.
When the two positioning steel piles 3 are inserted into the sludge simultaneously, the parking positioning of the construction ship 1 is realized, when the two positioning steel piles 3 are pulled out from the sludge, the construction ship 1 can run in a desilting water area, and when the single positioning steel pile 3 is inserted into the sludge, the construction ship 1 can be assisted to turn. The steering includes steering during driving and steering during dredging (adjusting the position of dredging).
The silt slurry that the desilting device 9 obtained in the desilting construction is sent into silt storehouse 5 and is stored, installs silt pipeline 6 on silt storehouse 5, is equipped with the dredge pump at the bottom of the storehouse in silt storehouse 5, and silt pipeline 6 is connected with the export butt joint of dredge pump. Like this, when construction vessel traveles and draws close to the bank or is close to the barge, can discharge the silt mud in silt storehouse 5 through dredge pump and silt pipeline 6, resume empty storehouse state.
Referring to fig. 3 and 4, it can be seen that: the dredging device 9 comprises rails 9-3 arranged at two sides of the gap 1-1, a truss 9-7 is arranged on the rails 9-3, rail wheels 9-8 (two front and back rails are arranged at each end of the truss 9-7) moving along the rails 9-3 and a longitudinal hydraulic pump 9-9 driving the rail wheels 9-8 to rotate are arranged at two ends of the truss 9-7. Under the driving action of the longitudinal hydraulic pump 9-9, the truss 9-7 and the auxiliary components thereof move longitudinally along the track 9-3 (i.e. move back and forth along the center line of the construction vessel 1). The trusses 9-7 are made of metal pipe profiles/metal rod profiles by welding, and a reinforcing structure can be arranged on the main body of the trusses 9-7 according to different spans to ensure the integral structural strength.
A base 9-4 is arranged on the truss 9-7, truss wheels 9-29 (one at each corner of the base 9-4 and four at all) which move along the truss 9-7 and a cross-sliding hydraulic pump 9-15 which drives the truss wheels 9-29 to rotate are arranged on two sides of the base 9-4. Under the driving action of the traversing hydraulic pump 9-15, the base 9-4 and the accessory components move left and right along the truss 9-7. As shown in the figure, the girders 9-7 each have a straight profile on both sides, which form the track for the respective girder wheels 9-29.
Thus, the base 9-4 and the accessory components thereof can move back and forth and left and right in the gap 1-1, and the dredging position can be adjusted to a certain degree.
A dredge pump 9-13 is arranged on the base 9-4, a conveying pipeline is arranged on the outlet of the dredge pump 9-13, the inlet of the dredge pump 9-13 penetrates through the lower part of the base 9-4 (a through hole is arranged on the base 9-4, the inlet of the dredge pump 9-13 penetrates through the through hole), a lifting corrugated pipe 9-16 is connected with the lower part of the lifting corrugated pipe 9-16, and a dredge head 9-21 is arranged at the lower end of the lifting corrugated pipe 9-16. Thus, the sludge of the cement is sucked in by the sludge pump 9-13, lifted to the water surface along the lifting bellows 9-16, and then conveyed through the conveying pipe.
The device also comprises a lifting device for lifting and lowering the suction heads 9-21 and a blowing and stirring device for stirring the sludge at the bottom of the water. The lifting device can lift and adjust the height of the mud suction head 9-21, so that the distance between the mud suction head 9-21 and the underwater silt can be adjusted, the situation that the mud suction head 9-21 pricks the silt or the mud suction head 9-21 cannot reach the silt is avoided, and the like, therefore, the lifting corrugated pipe 9-16 is connected to the inlet of the mud pump 9-13, and the lifting corrugated pipe 9-16 automatically stretches in the lifting and adjusting process of the mud suction head 9-21.
In the embodiment, the lifting device comprises lifting plates 9-24, and the mud suction heads 9-21 are fixedly arranged on the lifting plates 9-24. The base 9-4 is also provided with a guide rod 9-18 and a lifting screw rod 9-25, correspondingly, a guide hole and a threaded hole are arranged on the lifting plate 9-24, the guide rod 9-18 is positioned in the guide hole, and the lifting screw rod 9-25 is positioned in the threaded hole; and a mud suction adjusting hydraulic pump 9-27 for driving the lifting screw rod 9-25 is also arranged on the base 9-4. Under the drive of the mud suction adjusting hydraulic pumps 9-27, the lifting screw rods 9-25 rotate in a rotating mode, and the lifting plates 9-24 move in the vertical direction while rotating like the screw nuts of the screw rods 9-25, so that the mud suction heads 9-21 are driven to move up and down. The guide rods 9-18 ensure the stability of the lifting plates 9-24 during vertical movement.
In this embodiment, blow and stir the device and be two sets ofly, be located the both sides of inhaling mud head 9-21 respectively, blow and stir the device and blow and stir submarine silt at the desilting in-process, make silt loose mix with the water and form silt mud, promote mobility.
The blowing and stirring device comprises two lifters 9-14 arranged on a base 9-4 and two stirring adjusting hydraulic pumps 9-28 for driving the lifters 9-14. A first lead screw 9-17 is arranged on one of the lifters 9-14, a first blowing and stirring hydraulic pump 9-19 is arranged at the lower end of the first lead screw 9-17, and a first impeller 9-20 is arranged on an output shaft of the first blowing and stirring hydraulic pump 9-19; a second screw 9-26 is arranged on the other lifter 9-14, a second blowing and stirring hydraulic pump 9-22 is arranged at the lower end of the second screw 9-26, and a second impeller 9-23 is arranged on an output shaft of the second blowing and stirring hydraulic pump 9-22.
Under the driving action of the first blowing and stirring hydraulic pump 9-19 and the second blowing and stirring hydraulic pump 9-22, the first impeller 9-20 and the second impeller 9-23 respectively rotate in a rotating way, and the blowing and stirring effect on the sludge at the bottom of the water is generated. The lifting adjustment of the two groups of blowing and stirring hydraulic pumps and the impeller is realized by the matching of the lifters 9-14, the stirring adjusting hydraulic pumps 9-28 and the screw rod. The lifting adjustment is accompanied with the lifting adjustment of the mud suction head 9-21, that is, in general, the height of the mud suction head 9-21 is adjusted and the heights of the left and right blowing and stirring devices are also adjusted synchronously, so that the height of the impeller is lower than that of the mud suction head 9-21.
Specifically, the structure of the lifters 9 to 14 is: the hydraulic stirring device comprises a shell, wherein a driving gear and a driven gear which are in meshing transmission are arranged in the shell, a central shaft of the driving gear is in butt joint with an output shaft of a stirring regulation hydraulic pump 9-28, a threaded hole is formed in the middle of the driven gear, and a lead screw is positioned in the threaded hole. Thus, when the stirring adjusting hydraulic pumps 9-28 drive the driven gears to rotate through the driving gears, the screw rod moves up and down. Because the whole lead screw, the blowing and stirring hydraulic pump and the impeller are heavy, and the impeller has high resistance with the water body in a non-rotating state, the lead screw cannot rotate in the lifting driving process.
In this embodiment, there are two dredge pumps 9-13, and accordingly, there are two sets of lifting bellows 9-16 and dredge heads 9-21, and two sets of delivery pipes. Two sets of devices that set up side by side have promoted the efficiency of river course desilting.
Further, the conveying pipeline comprises a conveying hard pipe 9-12 directly connected with the outlet of the mud pump 9-13, a conveying corrugated pipe 9-2 is installed at the end part of the conveying hard pipe 9-12, the telescopic characteristic of the corrugated pipe is fully utilized, and the conveying corrugated pipe 9-2 performs telescopic action in the process of moving the base 9-4 and the accessory components thereof left and right.
A transit mud bucket 9-1 is arranged at the end part of the truss 9-7, and a conveying corrugated pipe 9-2 is connected to the transit mud bucket 9-1; the transfer mud bucket 9-1 is connected with the silt bin 5 through a transfer corrugated pipe. The sludge slurry in the transfer mud bucket 9-1 is conveyed into the transfer mud bucket 9-1 through the conveying pipeline and is conveyed into the sludge bin 5 through the transfer corrugated pipe for storage, and in order to ensure the fluidity of the sludge slurry, a conveying pump can be installed in the transfer mud bucket 9-1 to provide power for the flowing of the sludge slurry.
Consider that when river silt clearance, the waters surface often has floating rubbish, in order to assist artifical floating rubbish to clear up, in this embodiment: a first collecting screen plate 9-5 and a second collecting screen plate 9-11 are respectively arranged on two sides of the truss 9-7, the first collecting screen plate 9-5 is hinged with one side of the truss 9-7, and the second collecting screen plate 9-11 is hinged with the other side of the truss 9-7. The hydraulic control system also comprises a first tilting hydraulic pump 9-6 and a second tilting hydraulic pump 9-10 which drive the collecting net plate to rotate.
Specifically, as shown in fig. 3, the first collecting mesh plate 9-5 and the second collecting mesh plate 9-11 are both made of metal mesh plates by stamping, and the outer edges of the first collecting mesh plate and the second collecting mesh plate are bent upwards to form folded edges, so that the whole collecting mesh plates are in a V-shaped shape, and garbage is prevented from sliding off the plates. The first tilting hydraulic pump 9-6 and the second tilting hydraulic pump 9-10 are both arranged on the truss 9-7, the output shaft of the first tilting hydraulic pump 9-6 is in butt joint connection with the rotating shaft of the first collecting screen plate 9-5, and the output shaft of the second tilting hydraulic pump 9-10 is in butt joint connection with the rotating shaft of the second collecting screen plate 9-11. Thus, under the driving of the first tilting hydraulic pump 9-6 and the second tilting hydraulic pump 9-10, the first collecting screen 9-5 and the second collecting screen 9-11 perform tilting movement, when the first collecting screen and the second collecting screen tilt to the position below the water surface, the floating garbage can move to the screens, when the first collecting screen tilts to the water surface, the garbage is lifted, and the personnel on the construction ship 1 can perform manual cleaning.
The steel pile lifter 4, the mud pumps 9-13, the stirring adjusting hydraulic pumps 9-28, the transverse moving hydraulic pumps 9-15, the longitudinal moving hydraulic pumps 9-9, the mud suction adjusting hydraulic pumps 9-27, the stirring adjusting hydraulic pumps 9-28, the first tilting hydraulic pumps 9-6, the second tilting hydraulic pumps 9-10, the first blowing and stirring hydraulic pumps 9-19 and the second blowing and stirring hydraulic pumps 9-22 are all connected to a ship-borne hydraulic pump station and are controlled in a centralized mode in the ship cabin 7.
The working process is as follows:
driving the construction ship 1 to a construction water area, and lowering and inserting the positioning steel pile 3 into underwater sludge to realize the parking of the ship; according to the measured position of the sludge at the bottom (which can be regarded as the water depth condition), adjusting the heights of the sludge suction heads 9-21 and adjusting the heights of the impellers of the two blowing and stirring devices;
starting the first blowing and stirring hydraulic pumps 9-19 and the second blowing and stirring hydraulic pumps 9-22, so that the two impellers blow and stir the sludge at the bottom of the water, the sludge is mixed with the water body, and the fluidity is improved; starting the two mud pumps 9-13, enabling sludge slurry to enter a transfer mud hopper 9-1 through mud suction heads 9-21, lifting corrugated pipes 9-16, a conveying hard pipe 9-12 and a conveying corrugated pipe 9-2, and then entering a sludge cabin 5 through the transfer corrugated pipe for storage;
after the current position is subjected to dredging construction for a period of time, dredging is continuously carried out by adjusting the positions of the base 9-4 and the accessory components (namely the two impellers and the suction head 9-21); after the current water area is desilted, the pile is pulled out to adjust the direction of the construction ship 1 or the construction ship runs away from the current water area to the next water area.
When dredging construction is carried out in a riverway with stronger fluidity, the mud pumps 9-13 are not started, but only the first blowing and stirring hydraulic pumps 9-19 and the second blowing and stirring hydraulic pumps 9-22 are started, the two impellers blow and stir mud at the bottom of the water, and the mud is mixed with a water body and flows to the downstream along with water flow.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides an equipment for river course desilting which characterized by: the construction method comprises a construction ship (1), wherein a sludge bin (5) is arranged on the construction ship (1), a parking device is arranged at the bow of the construction ship (1), a notch (1-1) is arranged at the stern of the construction ship, and a dredging device (9) is arranged in the notch (1-1);
the dredging device (9) comprises rails (9-3) arranged on two sides of the notch (1-1), a truss (9-7) is arranged on the rails (9-3), rail wheels (9-8) moving along the rails (9-3) and longitudinally moving hydraulic pumps (9-9) driving the rail wheels (9-8) to rotate are arranged at two ends of the truss (9-7); a base (9-4) is arranged on the truss (9-7), truss wheels (9-29) moving along the truss (9-7) and a cross sliding hydraulic pump (9-15) driving the truss wheels (9-29) to rotate are arranged on two sides of the base (9-4); a dredge pump (9-13) is arranged on the base (9-4), a conveying pipeline is arranged on an outlet of the dredge pump (9-13), an inlet of the dredge pump (9-13) penetrates to the lower part of the base (9-4) and is connected with a lifting corrugated pipe (9-16), and a dredge head (9-21) is arranged at the lower end of the lifting corrugated pipe (9-16); the device also comprises a lifting device for lifting and lowering the suction head (9-21) and a blowing and stirring device for stirring the sludge at the bottom of the water.
2. An apparatus for dredging a river channel according to claim 1, wherein: the lifting device comprises lifting plates (9-24), and the mud suction heads (9-21) are fixedly arranged on the lifting plates (9-24); the base (9-4) is also provided with a guide rod (9-18) and a lifting screw rod (9-25), the lifting plate (9-24) is provided with a guide hole and a threaded hole, the guide rod (9-18) is positioned in the guide hole, and the lifting screw rod (9-25) is positioned in the threaded hole; and a mud suction adjusting hydraulic pump (9-27) for driving the lifting screw rod (9-25) is also arranged on the base (9-4).
3. Apparatus for dredging a river according to claim 2, characterised in that: two groups of blowing and stirring devices are respectively positioned at two sides of the mud suction heads (9-21); the blowing and stirring device comprises two lifters (9-14) arranged on a base (9-4) and two stirring and adjusting hydraulic pumps (9-28) for driving the lifters (9-14); a first lead screw (9-17) is installed on one of the lifters (9-14), a first blowing and stirring hydraulic pump (9-19) is installed at the lower end of the first lead screw (9-17), a first impeller (9-20) is installed on an output shaft of the first blowing and stirring hydraulic pump (9-19), a second lead screw (9-26) is installed on the other lifter (9-14), a second blowing and stirring hydraulic pump (9-22) is installed at the lower end of the second lead screw (9-26), and a second impeller (9-23) is installed on an output shaft of the second blowing and stirring hydraulic pump (9-22).
4. Apparatus for dredging a river according to claim 3, characterised in that: the number of the mud pumps (9-13) is two, correspondingly, two groups of lifting corrugated pipes (9-16) and two groups of mud suction heads (9-21) are provided, and two groups of conveying pipelines are provided.
5. Apparatus for dredging a river according to claim 4, characterised in that: the conveying pipeline comprises conveying hard pipes (9-12) directly connected with outlets of the mud pumps (9-13), and conveying corrugated pipes (9-2) are installed at the ends of the conveying hard pipes (9-12).
6. Apparatus for dredging a river according to claim 5, wherein: a transfer mud bucket (9-1) is arranged at the end part of the truss (9-7), and a conveying corrugated pipe (9-2) is connected to the transfer mud bucket (9-1); the transfer mud bucket (9-1) is connected with the silt bin (5) through a transfer corrugated pipe.
7. An apparatus for dredging a river channel according to claim 6, wherein: a first collecting screen plate (9-5) and a second collecting screen plate (9-11) are respectively arranged on two sides of the truss (9-7), the first collecting screen plate (9-5) is hinged with one side of the truss (9-7), and the second collecting screen plate (9-11) is hinged with the other side of the truss (9-7); the hydraulic control system also comprises a first tilting hydraulic pump (9-6) and a second tilting hydraulic pump (9-10) which drive the collecting net plate to rotate.
8. Apparatus for dredging a channel as claimed in claim 7, wherein: the parking device comprises a steel pile guide support (2) arranged at the bow position of the construction ship (1), and two vertical positioning steel piles (3) are arranged on the steel pile guide support (2); and a steel pile lifter (4) for driving the positioning steel pile (3) to lift is also arranged at the bow of the construction ship (1).
9. An apparatus for dredging a river as claimed in claim 8, wherein: install silt pipeline (6) on silt storehouse (5), be equipped with the dredge pump at the bottom of silt storehouse (5), silt pipeline (6) and the export butt joint of dredge pump.
10. An apparatus for dredging a river channel according to claim 9, wherein: a safety guardrail (8) is arranged on the periphery of a deck of the construction ship (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202022765719.8U CN214090073U (en) | 2020-11-25 | 2020-11-25 | A equipment for river course desilting |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022765719.8U CN214090073U (en) | 2020-11-25 | 2020-11-25 | A equipment for river course desilting |
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| CN214090073U true CN214090073U (en) | 2021-08-31 |
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| CN202022765719.8U Active CN214090073U (en) | 2020-11-25 | 2020-11-25 | A equipment for river course desilting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833044A (en) * | 2021-09-29 | 2021-12-24 | 中交第二航务工程局有限公司 | High-precision environment-friendly immersed tube foundation bed desilting platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833044A (en) * | 2021-09-29 | 2021-12-24 | 中交第二航务工程局有限公司 | High-precision environment-friendly immersed tube foundation bed desilting platform |
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