CN202202348U - Reamer with hydraulic characteristic used for dredger - Google Patents
Reamer with hydraulic characteristic used for dredger Download PDFInfo
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- CN202202348U CN202202348U CN2011202860771U CN201120286077U CN202202348U CN 202202348 U CN202202348 U CN 202202348U CN 2011202860771 U CN2011202860771 U CN 2011202860771U CN 201120286077 U CN201120286077 U CN 201120286077U CN 202202348 U CN202202348 U CN 202202348U
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- reamer
- tool arm
- ring
- big ring
- hydraulic characteristic
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Abstract
The utility model relates to a reamer with hydraulic characteristic used for a dredger, belonging to the technical field of environmental-protection dredging. The reamer comprises a reamer arm, a hub and a big ring and has the characteristics that a pit (10) is arranged at the inner side of the reamer arm (3); the big ring (6) is provided with an inner ring cavity; and the pit (10) arranged at the inner side of the reamer arm (3) is communicated with the ring cavity of the big ring (6) in an extending way, so as to play a role in guiding slurry to flow towards the direction of the big ring (6). The reamer has the advantages that the structure is simple, the implementation is convenient, the adaptable soil texture is good, the slurry and sand cannot easily leak, the construction efficiency is high, etc.
Description
Technical field
The utility model belongs to the technology for environmental dredging field, particularly relates to a kind of dredge boat with the reamer with hydraulic characteristic(s).
Background technology
At present, in the dredging industry, reamer mainly is the excavation type that is used for underwater soil, uses the crown cutter that active tooth the most generally is housed.Because now the foreign-going ship tonnage is increasing, absorb water more and more deeplyer, so the degree of depth that dredge boat need excavate is also just more and more darker, the soil property of excavation is more and more harder.In order to adapt to the demand of hard soil, the reamer form is short by hypermutation, and originally the top is roomy, and the top is narrow and small now, and the tool arm thickening has weighed a lot.The curve of reamer tool arm is perfect gradually simultaneously, helps mud and gets into reamer inside.
The wheel hub of reamer is connected on the driving shaft, and the driving shaft rotation drives the rotation of reamer wheel hub, under the drive of wheel hub; Tool arm rotates around center line, is fixed on the cutter tooth cutting underwater soil on the tool arm, destroys the earth internal construction; Simultaneously disturbance earth mixes with water and forms mud, and these mud are under water under the swabbing action of pump, by suction mud mouth entering dredging tube; In this process, there is a big chunk mud to fail to get into and inhales the mud mouth, but from the gap of two tool arms, leak, form residual.Because more and more deep to the research of reamer, the curved surface form of reamer tool arm was constantly improved in recent years, make reamer have and necessarily entrainment the ability (similar and axial-flow pump) that peripheral fluid gets into reamer inside, but this effect and not obvious.
U.S.'s patent has proposed a kind of scheme of anti-heads, in the big ring of reamer side specific shovel plate is set, and is cut the silt that gets off in order to guiding and arrives suction mud mouth place.Yet,, therefore before silt gets into suction mud mouth, still can spill between tool arm because these shovel plates only are extended with the limit for height degree.
Certain patent of Holland has also proposed a kind of scheme that prevents that cutter suction dredger from leaking, and this scheme lets suction mud mouth go deep into reamer inside as far as possible, improves to suck effect, reduces the purpose of leaking to reach.Yet this scheme can not stop the leakage between two tool arms, especially because the centrifugal action that produces in the reamer rotary course.
Practice confirms have quite a few to remain in the bottom in the silt under being cut, and forms residual layer; After a yaw, do not putting crane span structure, do not advance when oppositely put back on former road under the situation of chassis; Also has residual silt, especially especially like this to the harder engineering of soil property.Prior art causes cost to strengthen problems such as engineering efficient reduction.
Summary of the invention
The utility model provides a kind of dredge boat with the reamer with hydraulic characteristic(s) for solving the problem that prior art exists.
The utility model purpose provide a kind of have simple in structure, be convenient to realize, adapt to the reamer that soil property is good, silt is difficult for characteristics such as leakages, efficiency of construction height dredge boat usefulness has hydraulic characteristic(s).
Scheme of the present invention is mainly improved in two parts of tool arm and big ring, and there is depression the tool arm inboard, is provided with rounded trenches at the tool arm inside edge simultaneously; Big ring takes top roomy, and the bottom is narrow and small, is the cavity of bell mouth shape; Reduce gradually along the water (flow) direction area of passage like this, improve flow velocity, be equivalent to the suction inlet reach; This invention is simple in structure, be convenient to realize, but effect is obvious.
This programme is designed with the part of depression in the tool arm inboard, be designed with the groove of circular arc simultaneously at the tool arm inside edge.When the reamer rotary work, be installed in the cutter tooth cutting earth of tool arm outward flange one side, the earth that is loosened has is mixed into mud; What have is block silt, and it is inner to get into reamer and since the tool arm inward flange than outward flange more near center line; Mud and silt flow at the inboard inwardly edge of decurrence tool arm of driveing of tool arm, when mud and silt arrive the tool arm inward flange, will in the gap of tool arm, reveal away greatly; But the present invention, will keep off back mud and silt owing to be designed with circular-arc groove when arriving inside edge; Reduce and reveal, meanwhile, groove also has guiding function on axial direction; Final under the driveing of tool arm, mud and silt are transported to the inner place near big ring of reamer, reduce and reveal.
The utility model dredge boat adopts following technical scheme with the reamer with hydraulic characteristic(s):
A kind of dredge boat comprises tool arm, wheel hub and big ring with the reamer with hydraulic characteristic(s), and it is characterized in that: there is depression the tool arm inboard, and big ring has interior ring cavity, and the inboard depression of tool arm is extended and is communicated with big ring ring cavity, plays the effect of the water conservancy diversion that mud flows to big ring direction.
The utility model dredge boat can also adopt following technical measures with the reamer with hydraulic characteristic(s):
Described dredge boat is with the reamer with hydraulic characteristic(s), and be characterized in: the tool arm inside edge has arcuate furrow.
Described dredge boat is characterized in the reamer with hydraulic characteristic(s): the ring cavity structure is roomy for big ring top in the big ring, encircles the bottom greatly and narrows the cavity body structure that is bell mouth shape, and the roomy ring cavity in top is undertaken on the end of tool arm groove.
Described dredge boat is with the reamer with hydraulic characteristic(s), and be characterized in: the tool arm outer edge is placed with toothholder, and a dismountable cutter tooth is housed on each toothholder.
Advantage that the utlity model has and good effect:
Dredge boat is with the reamer with hydraulic characteristic(s), owing to having adopted the utility model brand-new technology scheme, compared with prior art; The big ring of the utility model reamer top is roomy, is bell mouth shape and shrinks gradually, encircles the bottom greatly and becomes narrow; When carrying the mud that gets off and silt to arrive big ring place by tool arm; Because big ring is whole circular arc, silt is difficult for leaking out reamer, adds the effect that tool arm axially pushes silt; Near the big ring suction mud mouth just siphons away silt more easily, plays equally and reduces the effect of revealing.
The reamer that various minimizings were leaked before the present invention obviously was superior to.This scheme had both guaranteed the into area of mud passage, effectively reduced the chance that silt leaks out reamer again, and was simultaneously simple in structure, was adapted to the soil property of the overwhelming majority, was convenient to realize that operating efficiency is high.
Description of drawings
Fig. 1 is the utility model reamer external overall structural representation;
Fig. 2 is a reamer inner body structural representation;
Fig. 3 is the horizontal sectional structure sketch map of reamer;
Fig. 4 is the vertical sectional structure sketch map of reamer;
Fig. 5 is a reamer tool arm structural representation.
Among the figure, 1, reamer, 2, wheel hub, 3, tool arm, 4, outward flange, 5, inward flange, 6, big ring, 7, encircle top greatly, 8, encircle the bottom greatly, 9, groove, 10, depression.
The specific embodiment
For further understanding technology contents, characteristics and the effect of the utility model, enumerate following instance now, and be described with reference to the accompanying drawings as follows:
With reference to accompanying drawing 1 to Fig. 5.
A kind of dredge boat comprises tool arm, wheel hub and big ring with the reamer with hydraulic characteristic(s), and there is depression 10 its tool arm 3 inboards, and encircling 6 greatly has interior ring cavity, and the inboard depression 10 of tool arm is extended and is communicated with big ring 6 ring cavities, plays the effect of the water conservancy diversion that mud flows to big ring 6 directions.There is arcuate furrow 9 at tool arm 3 inward flanges 5 places.The ring cavity structure is that big ring top 7 is roomy in the big ring 6, encircles bottom 8 greatly and narrows the cavity body structure that is bell mouth shape, and top 7 roomy ring cavities are undertaken on the end of tool arm groove 9.Tool arm 3 outer edge are placed with toothholder, and a dismountable cutter tooth is housed on each toothholder.
The practical implementation process of the utility model:
Cutter suction dredger is with reamer 1 with hydraulic characteristic(s), and this reamer links to each other with driving shaft on being positioned at crane span structure through the wheel hub screw thread.Thereafter the below is equipped with and is inhaled the mud mouth.Reamer stretches into mud layer under water during construction, rotates cutting and loose earth around central axis.Earth is pumped through inhaling the mud mouth by dredge pump again.This reamer 1 comprises the big ring 6 that is bell mouth shape wide at the top and narrow at the bottom, wheel hub 2, extends to a plurality of tool arms 3 that axial symmetry distributes on the wheel hub 2 from big ring 6; Tool arm 3 is placed with some toothholders hereinafter to be referred as tool arm outward flange 4 by certain angle away from the edge of central axis one side, on each seat a detachable cutter tooth is housed.There is depression 10 the tool arm inboard, at the groove 9 that is designed with circular arc near the edge of central axis one side hereinafter to be referred as tool arm inward flange 5.The big ring 6 of this reamer is divided into upper and lower two parts, and the big ring of reamer top 7 is roomy, is bell mouth shape and shrinks gradually, encircles narrow that bottom 8 becomes greatly.
When reamer 1 carries out operation under water, the cutter tooth on the tool arm outward flange 4 can cut underwater soil, and what the silt that has loosened had is mixed into mud with water; What have is block silt, gets into reamer 1 inside and since tool arm inward flange 5 than outward flange 4 more near center line; Mud and silt flow at the inboard depression of the lower edge tool arm inside edge, 10 positions of driveing of tool arm 3, when mud and silt arrive the tool arm inward flange, will in the gap of tool arm, let out greatly; But in the present invention, when silt arrives inside edge, owing to be designed with circular-arc groove 9; Will mud and silt be kept off back, reduce and leak.Meanwhile, groove 9 also has guiding function on axial direction, and is final under the driveing of tool arm 3; Mud and silt are transported to the inner place near big ring 6 of reamer, when the mud of being carried by tool arm 3 arrives big ring 6 places with silt, are the circular arcs of integral body owing to encircle greatly; Silt is difficult for leaking out reamer 1; Add the axially effect of propelling movement silt of tool arm 3, near the suction mud mouth the big ring just siphons away silt more easily, finally plays the effect that minimizing is leaked.
Claims (4)
1. a dredge boat comprises tool arm, wheel hub and big ring with the reamer with hydraulic characteristic(s), and it is characterized in that: there is depression (10) tool arm (3) inboard, and ring (6) has interior ring cavity greatly, and the inboard depression of tool arm (3) (10) is extended the big ring of connection (6) ring cavity.
2. use the reamer with hydraulic characteristic(s) according to the described dredge boat of claim 1, it is characterized in that: tool arm (3) inward flange (5) has been located arcuate furrow (9).
3. use reamer according to claim 1 or 2 described dredge boats with hydraulic characteristic(s); It is characterized in that: big ring (6) interior ring cavity structure is roomy for big ring top (7); The cavity body structure that is bell mouth shape is narrowed in big ring bottom (8), encircles the end that the roomy ring cavity in top (7) is undertaken on tool arm groove (9) greatly.
4. use the reamer with hydraulic characteristic(s) according to claim 1 or 2 described dredge boats, it is characterized in that: tool arm (3) outer edge is placed with toothholder, and a dismountable cutter tooth is housed on each toothholder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202860771U CN202202348U (en) | 2011-08-08 | 2011-08-08 | Reamer with hydraulic characteristic used for dredger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202860771U CN202202348U (en) | 2011-08-08 | 2011-08-08 | Reamer with hydraulic characteristic used for dredger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202202348U true CN202202348U (en) | 2012-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202860771U Expired - Lifetime CN202202348U (en) | 2011-08-08 | 2011-08-08 | Reamer with hydraulic characteristic used for dredger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202202348U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359134A (en) * | 2011-08-08 | 2012-02-22 | 中交天津港航勘察设计研究院有限公司 | Reamer with hydraulic characteristic for dredger |
| CN104032787A (en) * | 2014-06-12 | 2014-09-10 | 山东海领船舶机械有限公司 | Cutter-suction device |
| CN108797670A (en) * | 2018-06-27 | 2018-11-13 | 安徽佳明环保科技股份有限公司 | A kind of channel deposits rake inhales the efficient suction mud rake head of ship |
-
2011
- 2011-08-08 CN CN2011202860771U patent/CN202202348U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359134A (en) * | 2011-08-08 | 2012-02-22 | 中交天津港航勘察设计研究院有限公司 | Reamer with hydraulic characteristic for dredger |
| CN102359134B (en) * | 2011-08-08 | 2013-06-19 | 中交天津港航勘察设计研究院有限公司 | Reamer with hydraulic characteristic for dredger |
| CN104032787A (en) * | 2014-06-12 | 2014-09-10 | 山东海领船舶机械有限公司 | Cutter-suction device |
| CN108797670A (en) * | 2018-06-27 | 2018-11-13 | 安徽佳明环保科技股份有限公司 | A kind of channel deposits rake inhales the efficient suction mud rake head of ship |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120425 Effective date of abandoning: 20130619 |
|
| RGAV | Abandon patent right to avoid regrant |