JPH0143096B2 - - Google Patents
Info
- Publication number
- JPH0143096B2 JPH0143096B2 JP58062344A JP6234483A JPH0143096B2 JP H0143096 B2 JPH0143096 B2 JP H0143096B2 JP 58062344 A JP58062344 A JP 58062344A JP 6234483 A JP6234483 A JP 6234483A JP H0143096 B2 JPH0143096 B2 JP H0143096B2
- Authority
- JP
- Japan
- Prior art keywords
- earth
- sand
- cutter head
- dredging
- suction
- 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.)
- Expired
Links
Classifications
-
- 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
- E02F3/9231—Suction wheels with axis of rotation parallel to longitudinal axis of the suction pipe
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は土砂浚渫装置、特にラダーの先端にカ
ツターヘツドを取り付け土砂を浚渫する土砂浚渫
装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an earth and sand dredging device, and particularly to an earth and sand dredging device that has a cutter head attached to the tip of a ladder and dredges earth and sand.
従来の浚渫装置としては例えば特開昭51−742
号公報や実開昭57−174568号公報に示すようにラ
ダーの先端にカツターヘツドを取り付けラダーに
沿つて設けた吸込ケーシングを介してポンプによ
り土砂を浚渫するようにしたものが広く知られて
いる。
As a conventional dredging device, for example, Japanese Patent Application Laid-Open No. 51-742
As shown in Japanese Utility Model Publication No. 57-174568, there are widely known devices in which a cutter head is attached to the tip of a ladder and earth and sand is dredged by a pump through a suction casing provided along the ladder.
第１図はこのような従来のポンプ式浚渫船の土
砂浚渫ラダー１によつて支持したカツターヘツド
２によつて水底の軟弱地盤３を浅掘りしている状
態の説明図、第２図は深掘りしている状態の説明
図であつて掘られた土砂はラダー１に沿つて配置
した吸込ケーシング（図示せず）を介してポンプ
により吸引浚渫される。 Fig. 1 is an explanatory diagram of shallow excavation of soft ground 3 at the bottom of the water by the cutter head 2 supported by the earth and sand dredging ladder 1 of such a conventional pump dredger, and Fig. 2 is an illustration of deep excavation. This is an explanatory diagram of a state in which the excavated earth and sand are suctioned and dredged by a pump through a suction casing (not shown) arranged along the ladder 1.
然しながらこのようなカツターヘツド２を用い
て浚渫する場合、第１図、第２図何れの状態でも
浚渫中に原地盤４の土砂が掘られて低くなつた既
浚渫面５上に崩れ落ち及び浚渫カツターにより、
既浚渫面５へ土砂が飛散する現象が生ずる。特に
砂地盤の浅掘り時にこの傾向は著しく、このよう
に崩れ落ちた土砂６はスイング中ラダー１により
寄せ集められ、ついにはラダーのスイングウイン
チが過負荷となり、能率的な浚渫作業が困難とな
る。
However, when dredging is carried out using such a cutter head 2, in both the conditions shown in Figs. ,
A phenomenon occurs in which earth and sand are scattered onto the dredged surface 5. This tendency is particularly noticeable during shallow excavation of sandy ground, and the fallen soil 6 is gathered together by the ladder 1 during swinging, and the swinging winch of the ladder is eventually overloaded, making efficient dredging work difficult.
本発明の目的は上記崩れ落ちた土砂を吸い取る
ことによりスイングウインチの負荷軽減を図るこ
とが出来る土砂浚渫装置を得るにある。 An object of the present invention is to obtain an earth and sand dredging device that can reduce the load on a swing winch by sucking up the fallen earth and sand.
本発明の土砂浚渫装置はカツターヘツドによつ
て掘削された土砂を吸引するためカツターヘツド
に連通して設けた吸込ケーシングの他にカツター
ヘツドを支持する土砂浚渫ラダーの先端部両側に
浚渫時崩れ落ち等により既浚渫面上に堆積した土
砂を吸引する吸引機構を設けたことを特徴とす
る。
The earth and sand dredging device of the present invention has a suction casing connected to the cutter head for suctioning the earth and sand excavated by the cutter head, as well as a suction casing that is installed on both sides of the tip of the earth and sand dredging ladder that supports the cutter head due to collapse etc. during dredging. It is characterized by being equipped with a suction mechanism that sucks up the earth and sand that has accumulated on the surface.
又本発明の土砂浚渫装置はカツターヘツドによ
つて掘削された土砂を吸引するためカツターヘツ
ドに連通して設けた吸込ケーシングの他にカツタ
ーヘツドを支持する土砂浚渫ラダーの先端部両側
に浚渫時崩れ落ち等により既浚渫面上に堆積した
土砂を吸引する吸引機構及び前記土砂を前記吸引
機構に指向せしめる集土板を設けたことを特徴と
する。 In addition to the suction casing provided in communication with the cutter head for suctioning the earth and sand excavated by the cutter head, the earth and sand dredging device of the present invention also has a suction casing that is installed on both sides of the tip of the earth and sand dredging ladder that supports the cutter head due to collapse etc. during dredging. The present invention is characterized by providing a suction mechanism that suctions the earth and sand accumulated on the dredging surface, and a soil collecting plate that directs the earth and sand to the suction mechanism.
本発明の土砂浚渫装置においては既浚渫面５上
に崩れ落ち等により堆積した土砂が速やかに除去
され又その除去作業が集土板により効率良く成さ
れるようになる。
In the earth and sand dredging device of the present invention, the earth and sand accumulated on the dredged surface 5 due to collapse etc. can be quickly removed, and the removal work can be carried out efficiently by the earth collecting plate.
以下図面によつて本発明の実施例を説明する。 Embodiments of the present invention will be described below with reference to the drawings.
本発明においては本発明においては第３図、第
４図に示すようにラダー１の先端部両側に吸入管
７ａ，７ｂを取り付けその吸入口を下方に向け、
ラダー１の先端部に設けたサンドポンプ９の吸入
口を切換弁８を介して吸入管７ａ，７ｂの出口に
切換接続し、サンドポンプ９の出口を吐出管１０
を介してカツターヘツド２に連通する吸込ケーシ
ングの吸込口近傍に位置せしめる。 In the present invention, as shown in FIGS. 3 and 4, suction pipes 7a and 7b are attached to both sides of the tip of the ladder 1, and the suction ports thereof are directed downward.
The suction port of the sand pump 9 provided at the tip of the ladder 1 is connected via the switching valve 8 to the outlets of the suction pipes 7a and 7b, and the outlet of the sand pump 9 is connected to the discharge pipe 10.
The cutter head 2 is located near the suction port of the suction casing, which communicates with the cutter head 2 through the suction casing.
又、ラダー１の先端両側に略矩形の集土板１１
ａ，１１ｂをカツターヘツド２に指向する方向に
傾斜して取り付ける。 In addition, there are approximately rectangular soil collecting plates 11 on both sides of the tip of the ladder 1.
a, 11b are attached so as to be inclined in the direction facing the cutter head 2.
本発明土砂浚渫装置は上記のような構成である
から海底地盤を掘削、スイング中、カツターヘツ
ド２の後方（集土板側）へ崩れ落ちた土砂は集土
板１１ａ又は１１ｂによりカツターヘツド側へ寄
せ集められ、スイング方向により切り換えられた
切換弁８を介してサンドポンプ９に連結された吸
入管７ａ又は７ｂの吸入口より海水と共に吸い込
まれ吐出管１０の吐出口よりカツターヘツド２内
に連通するケーシング内に吐出される。 Since the earth and sand dredging device of the present invention has the above-described configuration, during excavation and swinging of the seabed ground, the earth and sand that collapses behind the cutter head 2 (soil collecting plate side) is collected toward the cutter head side by the earth collecting plate 11a or 11b. The seawater is sucked together with seawater from the inlet of the suction pipe 7a or 7b connected to the sand pump 9 via the switching valve 8 which is switched depending on the swing direction, and is discharged from the outlet of the discharge pipe 10 into the casing communicating with the cutter head 2. be done.
上記のように本発明によればラダー先端部に崩
れ落ち等により堆積した土砂が取り除かれスイン
グウインチの負荷が軽減され能率的な浚渫が行え
ると同時に浚渫仕上り海底面は平坦となり、ラダ
ーのスイングワイヤーの損耗も軽減される大きな
利益がある。
As described above, according to the present invention, the sediment accumulated at the tip of the rudder due to collapse etc. is removed, the load on the swing winch is reduced, and dredging can be carried out efficiently.At the same time, the seabed surface is flat after dredging, and the swing wire of the rudder is There is a big benefit in reducing wear and tear.
第１図はポンプ式浚渫船の土砂浚渫カツターヘ
ツドによつて水底の軟弱地盤を浅掘りしている状
態の説明図、第２図は深掘りしている状態の説明
図、第３図は本発明装置の側面図、第４図はその
平面図、第５図は集土板の断面図である。
１……ラダー、２……カツターヘツド、３……
軟弱地盤、４……原地盤、５……既浚渫面、６…
…土砂、７ａ，７ｂ……吸入管、８……切換弁、
９……サンドポンプ、１０……吐出管、１１ａ，
１１ｂ……集土板。
Fig. 1 is an explanatory diagram of shallow excavation of soft ground at the bottom of the water by the earth and sand dredging cutter head of a pump dredger, Fig. 2 is an explanatory diagram of deep excavation, and Fig. 3 is an explanatory diagram of the device of the present invention. 4 is a plan view thereof, and FIG. 5 is a sectional view of the soil collecting plate. 1... Rudder, 2... Cutter head, 3...
Soft ground, 4... Original ground, 5... Dredged surface, 6...
...Earth, 7a, 7b...Suction pipe, 8...Switching valve,
9...Sand pump, 10...Discharge pipe, 11a,
11b... Soil collection board.
Claims (1)
引するためカツターヘツドに連通して設けた吸込
ケーシングの他にカツターヘツドを支持する土砂
浚渫ラダーの先端部両側に浚渫時崩れ落ち等によ
り既浚渫面上に堆積した土砂を吸引する吸引機構
を設けたことを特徴とする土砂浚渫装置。 ２ カツターヘツドによつて掘削された土砂を吸
引するためカツターヘツドに連通して設けた吸込
ケーシングの他にカツターヘツドを支持する土砂
浚渫ラダーの先端部両側に浚渫時崩れ落ち等によ
り既浚渫面上に堆積した土砂を吸引する吸引機構
及び前記土砂を前記吸引機構に指向せしめる集土
板を設けたことを特徴とする土砂浚渫装置。[Scope of Claims] 1. In addition to the suction casing provided in communication with the cutter head to suck up the earth and sand excavated by the cutter head, there is also a suction casing provided on both sides of the tip of the earth and sand dredging ladder that supports the cutter head that has already been dredged due to collapse during dredging, etc. An earth and sand dredging device characterized by being provided with a suction mechanism that sucks earth and sand accumulated on a surface. 2 In addition to the suction casing that is connected to the cutter head to suck up the earth and sand excavated by the cutter head, there is also earth and sand that has accumulated on the dredged surface due to collapse during dredging, etc. on both sides of the tip of the earth and sand dredging ladder that supports the cutter head. An earth and sand dredging device, comprising: a suction mechanism that sucks up the earth and sand; and a soil collection plate that directs the earth and sand to the suction mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6234483A JPS59187926A (en) | 1983-04-11 | 1983-04-11 | Soil dredger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6234483A JPS59187926A (en) | 1983-04-11 | 1983-04-11 | Soil dredger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59187926A JPS59187926A (en) | 1984-10-25 |
| JPH0143096B2 true JPH0143096B2 (en) | 1989-09-19 |
Family
ID=13197408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6234483A Granted JPS59187926A (en) | 1983-04-11 | 1983-04-11 | Soil dredger |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59187926A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2516280Y2 (en) * | 1990-02-23 | 1996-11-06 | ヤンマー農機株式会社 | Threshing machine handling room structure |
| JP2517139Y2 (en) * | 1990-05-17 | 1996-11-13 | ヤンマー農機株式会社 | Thresher dropping device for thresher |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51742A (en) * | 1974-06-24 | 1976-01-06 | Penta Ocean Construction | HONPUSHIKISHUNSETSUSENNYORU HEDORONO SHUNSETSUSOCHI |
-
1983
- 1983-04-11 JP JP6234483A patent/JPS59187926A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59187926A (en) | 1984-10-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116290173A (en) | Sand spreading head device of a trailing suction dredger | |
| EP0259472B1 (en) | Dredger | |
| JPH0143096B2 (en) | ||
| JP2001214879A (en) | Bottom sampling strainer for submergible pump having excavating function | |
| CN108797670B (en) | Efficient mud suction drag head of river channel mud and sand drag suction ship | |
| JPH08302730A (en) | Dredger | |
| CN208694360U (en) | A kind of trailing suction dredging engineering suspended matter purification device | |
| JPH10325158A (en) | Sludge excavating machine | |
| CN212835583U (en) | Dredging equipment for hydraulic engineering | |
| JP2530615B2 (en) | Airlift dredging device | |
| CN2297484Y (en) | Shovel sucking type dredge boat | |
| JPH03248991A (en) | Drag head for drag type dredger | |
| JPS6343254Y2 (en) | ||
| CN221480907U (en) | A port channel silt remover with filtering function | |
| CN222975973U (en) | Mud inlet assembly | |
| SU1532667A1 (en) | Earth-taking device of suction dredger | |
| CN219195886U (en) | Quick pull throughs in river course | |
| CN221276711U (en) | Automatic dredging device | |
| CN211774041U (en) | Portable desilting and sand digging device | |
| JPH0447036A (en) | Water bottom sludge collecting method and device therefor | |
| CN213897287U (en) | Siphon device for cleaning sluice sludge | |
| JP2816912B2 (en) | High concentration dredging equipment | |
| SU1511338A1 (en) | Working member of suction dredger | |
| SU1416616A1 (en) | Suction dredger | |
| JPH0227004Y2 (en) |