CN112709274A - Water-spraying jet rock digging device of dredging dredger - Google Patents
Water-spraying jet rock digging device of dredging dredger Download PDFInfo
- Publication number
- CN112709274A CN112709274A CN202011528563.XA CN202011528563A CN112709274A CN 112709274 A CN112709274 A CN 112709274A CN 202011528563 A CN202011528563 A CN 202011528563A CN 112709274 A CN112709274 A CN 112709274A
- Authority
- CN
- China
- Prior art keywords
- reamer
- efflux
- cutter
- lid
- dredging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/92—Digging elements, e.g. suction heads
- E02F3/9212—Mechanical digging means, e.g. suction wheels, i.e. wheel with a suction inlet attached behind the wheel
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/92—Digging elements, e.g. suction heads
- E02F3/9212—Mechanical digging means, e.g. suction wheels, i.e. wheel with a suction inlet attached behind the wheel
- E02F3/9218—Mechanical digging means, e.g. suction wheels, i.e. wheel with a suction inlet attached behind the wheel with jets
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/92—Digging elements, e.g. suction heads
- E02F3/9212—Mechanical digging means, e.g. suction wheels, i.e. wheel with a suction inlet attached behind the wheel
- E02F3/9225—Mechanical digging means, e.g. suction wheels, i.e. wheel with a suction inlet attached behind the wheel with rotating cutting elements
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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
-
- 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
- E02F5/282—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways with rotating cutting or digging tools
-
- 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
- E02F5/287—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways with jet nozzles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a water-jet rock digging device of a dredging dredger, which comprises a sleeve, a rotating shaft, a cutter head, a cutter and a cutter cover, wherein the sleeve is arranged on the top of the sleeve; the sleeve pipe cover links firmly in the pivot and with the reamer dish, the pivot passes the reamer dish and links firmly and can provide power for the reamer with the reamer, the reamer lid links firmly on the reamer dish and encloses reamer upper portion and leave the activity space of reamer, be equipped with efflux entry and a plurality of efflux export on the reamer lid, the inside runner intercommunication of reamer lid is passed through to efflux entry and efflux export, the efflux entry is located reamer lid outside upper portion and can external high-pressure pump, the distribution that the efflux export surrounds is in reamer the place ahead and can external angularly adjustable shower nozzle. The device can improve the excavating capacity to harder soil property, rock layer, and it is efficient to excavate mud, has reduced the working strength of reamer, has the guard action to the reamer, makes things convenient for the cleaning work of reamer.
Description
Technical Field
The invention belongs to the technical field of dredging engineering, and particularly relates to a water jet rock digging device of a dredging dredger.
Background
A cutter suction dredger is a dredger for dredging construction, which is capable of dredging and transferring sediment, gravel, and the like of a riverbed/seabed; when the cutter suction dredger works, the cutter suction dredger moves to a proper position firstly, then the positioning pile is placed downwards to fix the position, then the reamer is placed downwards to a required dredging depth, cutter teeth on the reamer are in contact with a rock stratum to conduct dredging, and meanwhile, the hydraulic suction dredger sucks the dredged mixture obtained by dredging to the mud cabin.
At present, for harder soil and lack of an effective excavating method for a rock layer, the reamer operation has the following problems: 1) the excavating efficiency to the rock is low, and the rock with excessive hardness can damage the cutter teeth; 2) when hard soil of a lower local area of a dredging area is encountered, the phenomenon of sliding and raking is easy to occur, so that the area can not be effectively excavated.
Disclosure of Invention
The invention aims to provide a water-jet rock digging device of a dredging dredger, which can improve the digging capacity on harder soil and rock layers, has high mud digging efficiency, reduces the working strength of a reamer, has a protection effect on the reamer and facilitates the cleaning work of the reamer.
The technical scheme adopted by the invention is as follows:
a water spray jet rock digging device of a dredging dredger comprises a sleeve, a rotating shaft, a cutter head, a cutter and a cutter cover; the sleeve pipe cover links firmly in the pivot and with the reamer dish, the pivot passes the reamer dish and links firmly and can provide power for the reamer with the reamer, the reamer lid links firmly on the reamer dish and encloses reamer upper portion and leave the activity space of reamer, be equipped with efflux entry and a plurality of efflux export on the reamer lid, the inside runner intercommunication of reamer lid is passed through to efflux entry and efflux export, the efflux entry is located reamer lid outside upper portion and can external high-pressure pump, the distribution that the efflux export surrounds is in reamer the place ahead and can external angularly adjustable shower nozzle.
Furthermore, a mounting hole is formed in the rotation center of the reamer, and the rotating shaft penetrates through the mounting hole and then is in threaded connection with the fairing and fixes the reamer through the fairing.
Furthermore, the reamer cover is sleeved on the reamer disc through a partial circular ring at the rear part and is welded and fixed, and the partial circular ring exceeds the semicircle.
Further, the jet outlets are distributed on the arc-shaped edge of the bottom of the reamer cover.
Furthermore, the reamer is provided with blades and cutter teeth, the blades are spirally distributed around the rotating center, and the cutter teeth are distributed and fixed on the blades.
Furthermore, the cutter teeth are wide teeth made of low-alloy wear-resistant steel materials.
Further, the cutter teeth are welded and fixed on the cutter blades.
Further, a bearing is matched between the rotating shaft and the reamer disc.
The invention has the beneficial effects that:
before excavation, a high-pressure pump is externally connected to a jet inlet, a spray head is externally connected to a jet outlet, the angle of the spray head is adjusted according to the required condition, when the excavation is carried out, high-pressure water enters the jet inlet through the high-pressure pump, the high-pressure water is sprayed out from the spray head of the jet outlet after passing through a flow channel to form high-pressure water jet, after the high-pressure water jet is aligned to a pre-excavation part to be eroded and softened, a rotating shaft drives a reamer to winch for excavation, and meanwhile, a hydraulic mud suction device sucks an excavated dredging mixture to a mud cabin to ensure that the reamer is; the angle of the spray head is adjustable, so that the high-pressure water jet can be ensured to be aligned to the pre-digging part, the pre-digging part is eroded and softened, and then is dug by the reamer, the digging capability to harder soil and rock layers can be improved, the mud digging efficiency is improved, and the working strength of the reamer can be reduced; the upper part of the reamer is surrounded by the reamer cover, so that falling objects can be prevented from falling into the reamer cover, and the reamer cover plays a certain role in protecting the reamer; for soil with certain viscosity, the angle of the spray head can be adjusted to be aligned with the reamer, so that the cleaning work of the reamer is facilitated; the jet inlet is positioned at the upper part of the outer side of the reamer cover, so that the interference of a high-pressure pipeline to work is avoided; the jet flow outlets are surrounded and distributed in front of the reamer, so that the angle of the maximum range is adjustable.
Drawings
Fig. 1 is a schematic structural view of a water jet rock-digging device of a dredging dredger according to an embodiment of the invention, and a sleeve is omitted for convenience of observation.
FIG. 2 is a schematic structural diagram of a reamer cover in an embodiment of the present invention.
FIG. 3 is a perspective view of a reamer cap in an embodiment of the present invention.
FIG. 4 is a schematic structural diagram of a reamer in an embodiment of the present invention.
In the figure: 1-reamer cover; 2-a fairing; 3-a rotating shaft; 4-capstan head; 5-cutter teeth; 6-a blade; 7-a jet outlet; 8-jet inlet.
Detailed Description
The invention is further described below with reference to the figures and examples.
As shown in fig. 1, a water jet rock-digging device of a dredging dredger comprises a sleeve, a rotating shaft 3, a reamer disk 4, a reamer and a reamer cover 1; the sleeve pipe cover is in pivot 3 and links firmly with reamer dish 4, pivot 3 passes reamer dish 4 and links firmly and can provide power for the reamer with the reamer, reamer lid 1 links firmly on reamer dish 4 and encloses reamer upper portion and leave the free space of reamer, be equipped with efflux entry 8 and a plurality of efflux export 7 on reamer lid 1, efflux entry 8 and efflux export 7 are through the inside runner intercommunication of reamer lid 1, efflux entry 8 is located 1 outside upper portion of reamer lid and can external high-pressure pump, the distribution that 7 encircles of efflux export is in reamer the place ahead and can external angularly adjustable shower nozzle. Before excavation, a high-pressure pump is externally connected to the jet flow inlet 8, a spray head is externally connected to the jet flow outlet 7, the angle of the spray head is adjusted according to the required condition, when the excavation is carried out, high-pressure water enters the jet flow inlet 8 through the high-pressure pump, the high-pressure water is sprayed out from the spray head of the jet flow outlet 7 after passing through a flow channel to form high-pressure water jet, the high-pressure water jet is aligned to a pre-excavation part to be eroded and softened, the rotating shaft 3 drives the reamer to winch for excavation, and meanwhile, the hydraulic mud suction device sucks excavated dredging mixture to a mud cabin to ensure that the.
As shown in fig. 1 and 4, in this embodiment, a mounting hole is formed in the rotation center of the reamer, the rotating shaft 3 penetrates through the mounting hole and then is in threaded connection with the fairing 2, and the reamer is fixed through the fairing 2.
As shown in fig. 1 to 3, in this embodiment, the reamer cover 1 is sleeved on the reamer disk 4 through a partial circular ring at the rear portion and is welded and fixed, and the partial circular ring exceeds a semicircle, so that the reamer is convenient to manufacture and stable in connection.
As shown in fig. 1 to 3, in the present embodiment the jet outlets 7 are distributed over an arc-shaped edge of the bottom of the reamer cover 1.
As shown in fig. 1 and 4, in the present embodiment, the reamer is provided with blades 6 and cutter teeth 5, the blades 6 are spirally distributed around the rotation center, and the cutter teeth 5 are distributed and fixed on the blades 6; the cutter teeth 5 can be made of wide teeth made of low-alloy wear-resistant steel materials, and the cutter teeth 5 can be fixed on the blade 6 in a welding mode.
In the present embodiment, a bearing is fitted between the rotary shaft 3 and the cutter head 4.
The number of cutter teeth 5 of the reamer, the ground angle, the advancing speed, the rock digging depth, the arrangement mode and the number of the jet flow outlets 7, the pressure of high-pressure water jet flow and the like can influence the digging efficiency and can be set according to actual requirements.
In the invention, the angle of the spray head is adjustable, so that the high-pressure water jet can be ensured to be aligned to the pre-excavation part, the pre-excavation part is eroded and softened, and then is excavated by the reamer, thus not only improving the excavation capacity on harder soil and rock layers and improving the dredging efficiency, but also reducing the working strength of the reamer; the reamer cover 1 surrounds the upper part of the reamer, so that falling objects can be prevented from falling into the reamer, and the reamer is protected to a certain extent; for soil with certain viscosity, the angle of the spray head can be adjusted to be aligned with the reamer, so that the cleaning work of the reamer is facilitated; the jet flow inlet 8 is positioned at the upper part of the outer side of the reamer cover 1, so that the interference of a high-pressure pipeline to work is avoided; the jet flow outlets 7 are surrounded and distributed in front of the reamer, so that the angle of the maximum range is adjustable.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (8)
1. The utility model provides a dredging dredge dredger water spray efflux digs rock device which characterized in that: comprises a sleeve, a rotating shaft, a cutter head, a cutter and a cutter cover; the sleeve pipe cover links firmly in the pivot and with the reamer dish, the pivot passes the reamer dish and links firmly and can provide power for the reamer with the reamer, the reamer lid links firmly on the reamer dish and encloses reamer upper portion and leave the activity space of reamer, be equipped with efflux entry and a plurality of efflux export on the reamer lid, the inside runner intercommunication of reamer lid is passed through to efflux entry and efflux export, the efflux entry is located reamer lid outside upper portion and can external high-pressure pump, the distribution that the efflux export surrounds is in reamer the place ahead and can external angularly adjustable shower nozzle.
2. The dredging dredger water jet rock-digging device of claim 1, wherein: the rotating center of the reamer is provided with a mounting hole, and the rotating shaft penetrates through the mounting hole and then is in threaded connection with the fairing and fixes the reamer through the fairing.
3. The dredging dredger water jet rock-digging device of claim 1, wherein: the cutter cover is sleeved on the cutter disc through a partial circular ring at the rear part and is welded and fixed, and the partial circular ring exceeds the semicircle.
4. The dredging dredger water jet rock-digging device of claim 1, wherein: the jet flow outlets are distributed on the arc-shaped edge at the bottom of the reamer cover.
5. The dredging dredger water jet rock-digging device of claim 1, wherein: the reamer is provided with blades and cutter teeth, the blades are spirally distributed around the rotating center, and the cutter teeth are distributed and fixed on the blades.
6. The dredging dredger water jet rock-digging device of claim 5, wherein: the cutter teeth are wide teeth made of low-alloy wear-resistant steel materials.
7. The dredging dredger water jet rock-digging device of claim 5, wherein: the cutter teeth are welded and fixed on the cutter blades.
8. The dredging dredger water jet rock-digging device of claim 1, wherein: and a bearing is matched between the rotating shaft and the reamer disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011528563.XA CN112709274A (en) | 2020-12-22 | 2020-12-22 | Water-spraying jet rock digging device of dredging dredger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011528563.XA CN112709274A (en) | 2020-12-22 | 2020-12-22 | Water-spraying jet rock digging device of dredging dredger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112709274A true CN112709274A (en) | 2021-04-27 |
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ID=75545160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011528563.XA Pending CN112709274A (en) | 2020-12-22 | 2020-12-22 | Water-spraying jet rock digging device of dredging dredger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112709274A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215134A (en) * | 2021-12-30 | 2022-03-22 | 中交疏浚技术装备国家工程研究中心有限公司 | Strong crushing reamer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201704714U (en) * | 2010-03-24 | 2011-01-12 | 中交天航南方交通建设有限公司 | Rock excavating reamer |
| CN204753676U (en) * | 2015-06-23 | 2015-11-11 | 深圳滨海万盈海洋工程技术有限公司 | Utilize water pump to erode sludger of mud layer |
| CN105951909A (en) * | 2016-06-21 | 2016-09-21 | 中交天航港湾建设工程有限公司 | Wharf lower portion dredging device and construction method thereof |
| CN107587540A (en) * | 2017-11-02 | 2018-01-16 | 天津恒泰国际海洋工程有限公司 | Spray rock cutter in seabed |
| CN110080324A (en) * | 2019-04-24 | 2019-08-02 | 武汉理工大学 | A kind of dual anti-mud disperser based on movable shield and high pressure water curtain |
| CN211285761U (en) * | 2019-11-29 | 2020-08-18 | 章大初 | Dovetail type jet flat sweeper |
-
2020
- 2020-12-22 CN CN202011528563.XA patent/CN112709274A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201704714U (en) * | 2010-03-24 | 2011-01-12 | 中交天航南方交通建设有限公司 | Rock excavating reamer |
| CN204753676U (en) * | 2015-06-23 | 2015-11-11 | 深圳滨海万盈海洋工程技术有限公司 | Utilize water pump to erode sludger of mud layer |
| CN105951909A (en) * | 2016-06-21 | 2016-09-21 | 中交天航港湾建设工程有限公司 | Wharf lower portion dredging device and construction method thereof |
| CN107587540A (en) * | 2017-11-02 | 2018-01-16 | 天津恒泰国际海洋工程有限公司 | Spray rock cutter in seabed |
| CN110080324A (en) * | 2019-04-24 | 2019-08-02 | 武汉理工大学 | A kind of dual anti-mud disperser based on movable shield and high pressure water curtain |
| CN211285761U (en) * | 2019-11-29 | 2020-08-18 | 章大初 | Dovetail type jet flat sweeper |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215134A (en) * | 2021-12-30 | 2022-03-22 | 中交疏浚技术装备国家工程研究中心有限公司 | Strong crushing reamer |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20210427 |