CN210194729U - Mud digging claw for trailing suction dredger - Google Patents
Mud digging claw for trailing suction dredger Download PDFInfo
- Publication number
- CN210194729U CN210194729U CN201920763621.3U CN201920763621U CN210194729U CN 210194729 U CN210194729 U CN 210194729U CN 201920763621 U CN201920763621 U CN 201920763621U CN 210194729 U CN210194729 U CN 210194729U
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- movable cover
- rake teeth
- dredging
- hose
- piston rod
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Abstract
The utility model discloses a claw of dredging that harrow formula dredge boat used, include with the movable cover of face contact dredged and the connecting portion that link to each other with outside mud suction pipe, connecting portion and movable cover swing joint, the movable cover includes fixed lid and movable cover, the side of movable cover passes through the hinge and is connected with fixed lid, the front end of movable cover is provided with the front-seat rake teeth, the front-seat rake teeth is located the cavity, front-seat rake teeth top is provided with a plurality of nozzles, the rear end of movable cover is provided with the back row rake teeth, wash by water house steward and two tunnel hose connections, the end-to-end connection of hose all the way is close to front-seat rake teeth top at the movable cover front end, the end-to-end connection of another way hose is close to back row rake teeth top at the movable cover rear end, the piston rod seat is installed to the front end top of movable cover, the piston rod one end of cylinder is. Through the extension and retraction of the piston rod of the cylinder, the movable cover is controlled to swing around the shaft, the ground angle of the dredging claws is adjusted, so that the movable cover is well attached to the dredging mud surface, the cutting capability of the rake teeth on the dredging soil is improved, and the pressure of the rake teeth and the substrate dredging soil is increased, so that the requirement of dredging soil excavation is met.
Description
Technical Field
The utility model relates to a dredge, concretely relates to claw that digs for formula dredge is inhaled to harrow.
Background
The dredger is used for carrying out underwater construction of earth and stone, and specifically comprises the following steps: digging, widening and cleaning the existing channel and port; excavating new channels, ports and canals; dredging the foundation trench of wharfs, docks, ship locks and other hydraulic buildings, throwing excavated sediment into deep sea or filling land depression for field construction and the like.
The trailing suction hopper dredger sucks in mud through the drag heads arranged on the two sides or the tail of the ship body, and works in a mode of sucking mud and sailing. When the dredger is used for dredging, the rake suction pipe is placed into the river bottom, mud is absorbed from the river bottom through the rake head and the mud suction pipe and enters a mud bin of the dredger under the vacuum action of the mud pump, and after the mud bin is full, the rake is lifted to sail to a mud throwing area, a mud door is opened, mud is discharged, or the dug mud is directly discharged out of the dredger.
The drag head is the foremost equipment of the drag suction dredger for sucking mud or sediment pipelines. The movable cover of the drag head of the trailing suction hopper dredger only has a movable range of 0-45 degrees under the action of external force, the angle is limited, the soil-entering angle of the drag teeth is too small to dig deeply, and the suction and digging capacity of the drag head is limited.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an adjustable harrow suction type dredge is used digs mud claw.
The utility model provides a following technical scheme:
a dredging claw for a trailing suction dredger comprises a movable cover which is in contact with a dredged surface and a connecting part which is connected with an external dredge pipe, the connecting part is movably connected with the movable cover, the movable cover comprises a fixed cover and a movable cover, the side edge of the movable cover is connected with the fixed cover through a hinge shaft, the movable cover is a cavity with an opening, the front end of the movable cover is provided with a front row of rake teeth, the front row of rake teeth are positioned in the cavity, a plurality of nozzles are arranged above the front row of rake teeth, the rear row of rake teeth are arranged at the rear end of the movable cover, the flushing main pipe is connected with two ways of hoses, the tail end of one way of hose is connected to the front end of the movable cover and is close to the upper part of the front row of rake teeth, the tail end of the other way of hose is connected to the rear end of the movable cover and is close to the upper part of the rear row of rake teeth, a piston rod seat is arranged above the front end of the movable cover, and one end of a piston rod of the air cylinder is fixed on the piston rod seat.
Further, the connecting part is of a tubular structure.
Furthermore, sealing plates are arranged on two sides of the front end of the movable cover and are arranged on two sides of the opening of the movable cover.
Furthermore, each hose is provided with two pipes, each hose is connected with a short pipe, the short pipes are vertically arranged on the transverse water spraying pipe, two ends of the transverse water spraying pipe are fixed on two sides of the movable cover, and a plurality of nozzles are arranged on the transverse water spraying pipe.
Compared with the prior art, the beneficial effects of the utility model are that: through the extension and retraction of the piston rod of the cylinder, the movable cover is controlled to swing around the shaft, the ground angle of the dredging claws is adjusted, so that the movable cover is well attached to the dredging mud surface, the cutting capability of the rake teeth on the dredging soil is improved, and the pressure of the rake teeth and the substrate dredging soil is increased, so that the requirement of dredging soil excavation is met.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a rear view of fig. 1.
Fig. 3 is a schematic view of the internal structure of the movable cover of the present invention.
In the figure: 1. piston rod, 2, flushing manifold, 3, movable cover, 31, fixed cover, 32, movable cover, 33, hinge, 34, shrouding, 4, another way hose, 5, a way hose, 6, front row rake teeth, 61, nozzle, 7, back row rake teeth, 8, connecting portion, 9, cylinder, 10, piston rod seat, 11, short pipe, 12, the horizontal spray pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and 2, the dredging claw for a trailing suction dredger of the present invention comprises a movable cover 3 contacting with a dredging surface and a connecting part 8 connected with an external dredge pipe, the connecting part 8 is movably connected with the movable cover 3, the movable cover 3 comprises a fixed cover 31 and a movable cover 32, the side of the movable cover 32 is connected with the fixed cover 31 through a hinge shaft 33, the movable cover 3 is a cavity with an opening, the front end of the movable cover 3 is provided with a front row of rake teeth 6, the front row of rake teeth 6 are located in the cavity, a plurality of nozzles 61 are arranged above the front row of rake teeth 6, the rear end of the movable cover 3 is provided with a rear row of rake teeth 7, a flushing header pipe 2 is connected with two paths of hoses, the end of one path of hose 5 is connected to the front end of the movable cover 3 near above the front row of rake teeth 6, the end of the other path of hose 4 is connected to the rear end of the movable cover 3 near above the rear row of rake teeth 7, water passes through the header pipe, through the blowout of nozzle, through the pressure of water to opening earth, the front end top of movable cover 3 is installed piston rod seat 10, and 1 one end of the piston rod of cylinder 9 is fixed on piston rod seat 10.
The connecting part 8 is of a tubular structure and is connected with a rake arm pipe of the trailing suction hopper dredger, and in the process of mud suction operation, mud enters the mud pump through the cavity of the connecting part 8 through the rake arm and enters the mud discharge pipeline after being pressurized by the mud pump.
As shown in fig. 3, each hose has two pipes, each hose is connected to a short pipe 11, the short pipes 11 are vertically installed on a horizontal water spray pipe 12, two ends of the horizontal water spray pipe 12 are fixed on two sides of the movable hood 3, and a plurality of nozzles 61 are installed on the horizontal water spray pipe 12.
Through setting up preceding, back row rake teeth 6, 7, improve the stirring ability to silt, the clearance efficiency of reinforcing dredger to silt. The dredged soil is liquefied and the cutting force of the rake teeth is reduced by spraying water through the nozzles, so that the rake teeth can cut soil more easily.
The angle range of motion of the movable cover under the action of external force is adjustable, the movable cover 3 comprises a fixed cover 31 and a movable cover 32, and the side edge of the movable cover 32 is connected with the fixed cover 31 through a hinge shaft 33. When the piston rod 1 stretches and retracts to pull the piston rod seat 10, the piston rod seat 10 is fixed on the movable cover 32, the movable cover 32 rotates around a shaft, and the adjustable range of the movable angle is large.
The piston rod is controlled to stretch and retract through the cylinder, the movable cover 3 is controlled to swing around the shaft, and the ground angle of the dredging claw is adjusted, so that the movable cover 3 is well attached to the dredging mud surface, the cutting capacity of the rake teeth on the dredging soil is improved, and the pressure of the rake teeth and the substrate dredging soil is increased, and the requirement of dredging the dredging soil is met.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a claw of dredging that trailing suction dredger used which characterized in that: the movable cover comprises a movable cover in contact with a dredged surface and a connecting part connected with an external sludge suction pipe, the connecting part is movably connected with the movable cover, the movable cover comprises a fixed cover and a movable cover, the side edge of the movable cover is connected with the fixed cover through a hinge shaft, the movable cover is a cavity with an opening, front row rake teeth are arranged at the front end of the movable cover and are located in the cavity, a plurality of nozzles are arranged above the front row rake teeth, rear row rake teeth are arranged at the rear end of the movable cover, a flushing main pipe is connected with two hoses, the tail end of one hose is connected to the front end of the movable cover and is close to the upper part of the front row rake teeth, the tail end of the other hose is connected to the rear end of the movable cover and is close to the upper part of the rear row rake teeth, a piston rod seat is arranged above the front end of the movable cover, and one end of a piston rod.
2. The claw for a trailing suction hopper dredger according to claim 1, wherein: the connecting part is of a tubular structure.
3. The claw for a trailing suction hopper dredger according to claim 1, wherein: sealing plates are arranged on two sides of the front end of the movable cover and are arranged on two sides of the opening of the movable cover.
4. The claw for a trailing suction hopper dredger according to claim 1, wherein: each hose is provided with two pipes, each hose is connected with a short pipe, the short pipes are vertically arranged on a transverse water spraying pipe, two ends of the transverse water spraying pipe are fixed on two sides of the movable cover, and a plurality of nozzles are arranged on the transverse water spraying pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920763621.3U CN210194729U (en) | 2019-05-26 | 2019-05-26 | Mud digging claw for trailing suction dredger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920763621.3U CN210194729U (en) | 2019-05-26 | 2019-05-26 | Mud digging claw for trailing suction dredger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210194729U true CN210194729U (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920763621.3U Active CN210194729U (en) | 2019-05-26 | 2019-05-26 | Mud digging claw for trailing suction dredger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111395433A (en) * | 2020-04-20 | 2020-07-10 | 中交疏浚技术装备国家工程研究中心有限公司 | Novel high-efficient harrow head of integral type |
-
2019
- 2019-05-26 CN CN201920763621.3U patent/CN210194729U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111395433A (en) * | 2020-04-20 | 2020-07-10 | 中交疏浚技术装备国家工程研究中心有限公司 | Novel high-efficient harrow head of integral type |
| CN111395433B (en) * | 2020-04-20 | 2022-04-26 | 中交疏浚技术装备国家工程研究中心有限公司 | Novel high-efficient harrow head of integral type |
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