CN2327723Y

CN2327723Y - Automatic underwater dredger

Info

Publication number: CN2327723Y
Application number: CN 98208689
Authority: CN
Inventors: 陈际军; 胡东海
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-03-25
Filing date: 1998-03-25
Publication date: 1999-07-07
Anticipated expiration: 2008-03-25

Abstract

The utility model relates to an automatic underwater dredger, composed of a pile shaft which is bulged into the water bottom, a rotary table on the pile shaft, a plurality of pairs of oar handles which are fixed on the rotating disc, blades which are installed on the oar handles and dredging sheets which are hung on the oar handles. As for each pair of blades, the installation directions of the blades on the right side and the left side are opposite to a turn; when the blade on one side is toward the front of water flow, the blade on the other side is toward the back of the water flow to a turn. The obverse blades have big stressed areas and big driving force; the reverse blades have small stressed areas and suffers small stress. Therefore, the rotating disc, the oar handles, the blades and the dredging sheets can rotate in the direction of the big force, so that the underwater sludge is flipped violently The flipped sludge is flushed into the seawater with the water, which solves the problem of underwater silt accumulation of harbors and wharves.

Description

A kind of device of automatic desilting under water

The utility model relates to a kind of cleaning harbour, navigation channel, the harbour device of natural sedimentation silt under water.The energy that specifically utilizes natural flows is removed the device of subaqueous deposit silt as power.

Many harbor approachs, because sediment charge is bigger in the current, sedimentation causes the harbour navigation channel phenomenon that shoals serious.The navigation channel shoals directly influences the handling capacity of harbour, harbour.In order to address this problem, the annual input substantial contribution that needs in various countries is used for water-bed desilting, carries out waterway dredging.In addition, harbour must be removed before the dredging of landing stage, again harbour be reinstalled after the dredging.Like this, not only lose a large amount of human and material resources, financial resources, and delayed the transportation schedule that harbour uses.Design a kind of device of waterway dredging under water simple in structure, that dredging effect is good and become the hope of shipping part for a long time.

The purpose of the utility model provides a kind of bottom of putting into to society, is power with current, and is simple in structure, the device of automatic desilting under water that dredging effect is good.

The utility model be achieved in that it comprise squeeze into the bottom, perpendicular to the stake axle of horizontal plane, be installed in the rotating disk on stake axle top.Fixing on the rotating disk with current is rotating mechanism power, that water-bed mud is stirred.This mechanism is made up of the paddle that is fixed on the above oar handle of two couples on the rotating disk and be installed on the oar handle.In its every pair paddle, the installation direction of left and right sides paddle is just in time opposite, and when a side flowed the front for meeting water, opposite side just in time was the stream reverse side that meets water, and the positive paddle lifting surface area of stream that meets water is big, and the paddle lifting surface area of the stream reverse side that meets water is little.

Its paddle can be to be cuboid turnover panel shape, and top two ends are provided with pivot, is pivotally mounted in the pivot hole of oar handle front portion, is installed in the below of oar handle horizontal direction front portion with flexibly connecting; The position of paddle top is on the top of oar handle vertical direction.Also can on the basis of above paddle, add a paddle of symmetry with it above it again, be provided with the paddle positive stop strip between two paddles.Also paddle can be arranged to the web plate shape, grid framework and horizontal plane are vertically fixed on the oar handle, are fixing a synthetic fiber cloth that can cover grid framework on the top of grid framework.Paddle can also be designed to " V " font plate of horizontal, this plate is fixed in the front portion of oar handle horizontal direction.In addition, be provided with several desilting sheets on oar handle of the present utility model, the desilting sheet is hung on oar handle by the desilting rope.

Owing to of the present utility modelly several oar handle is provided with paddle, in every pair of paddle, the installation direction of left and right sides paddle is just in time opposite, when a side flows the front for meeting water, opposite side just in time is the stream reverse side that meets water, the positive paddle lifting surface area that meets water is big, meet water stream reverse side the paddle lifting surface area little, so when the water impact paddle, positive paddle is stressed big, the paddle of reverse side is stressed little, these two power act on the rotating disk by oar handle simultaneously, make rotating disk along the big side rotation of power, stir the water-bed mud of precipitation just, allow current that silt is poured marine purpose thereby reached.

Concrete structure of the present utility model is born by following examples and accompanying drawing:

Fig. 1 is the utility model embodiment 1 overall structure schematic diagram;

Fig. 2 is the utility model embodiment 1 paddle schematic diagram (amplification);

Fig. 8 is the utility model embodiment 2 paddle schematic diagrames;

Fig. 4 is the utility model embodiment 3 paddle schematic diagrames;

Fig. 5 is the utility model embodiment 4 paddle schematic diagrames.

Further describe the utility model below in conjunction with accompanying drawing.Stake axle 2 is squeezed into the bottom, and rotating disk 1 is established on the top of stake axle, every 90 ° 3, two pairs of paddles of two pairs of oar handles is installed regularly around the rotating disk and is installed on the oar handle separately.Paddle 4 is just in time opposite with the paddle 4 ' installation direction of opposite side, and when paddle 4 flowed reverse side for meeting water, the paddle 4 ' of opposite side just in time was the stream positive (as Fig. 1) that meets water.Another is identical with last a pair of paddle to the paddle installation situation.Because of being its top two ends of cuboid turnover panel shape (Fig. 1, Fig. 2), the paddle of present embodiment is provided with pivot 8 (two), be pivotally mounted in the pivot hole 7 (two) of oar handle front portion, be installed in the below of oar handle horizontal direction front portion versatilely, the position of paddle top is on the top of oar handle vertical direction.When current during from frontal impact paddle 4 ', paddle 4 ' is just for being the state perpendicular to horizontal plane, and is stressed big; And opposite side paddle 4 will have been dashed a gradient by current, its lifting surface area and the stressed paddle 4 ' that is significantly smaller than.And another of this moment is little to lifting surface area that paddle is influenced by impulsive force, and be minimum to the resistance of dial rotation.So rotating disk will deasil rotate (Fig. 1 state).After rotating disk 1 rotated 90 °, another effect to paddle was just in time exchanged with paddle 4 ' and paddle 4.Being still the big side of impact force that paddle is subjected to water promotes the rotating disk clockwise direction again and rotates.When the change of 180 ° in rivers tidewater direction, stressed big paddle just in time with the changing of opposite side, but rotating disk still rotates by former clockwise direction.(when two side paddle installation directions were changed about having only, the rotating disk direction just can rotate counterclockwise) rotating disk, the rotation of paddle makes current cause eddy current, and just the mud of precipitation will be stirred.Add the stirring of the rhombus desilting sheet 5 that is hung by desilting rope 6 under the oar handle again, water-bed mud is dug, stream pursues into marine downstream.Prevent harbour, harbour, the channel silt alluvial phenomenon that shoals so effectively, and be not consumes energy of motive power with current.

Embodiment 2: on the basis of embodiment 1 paddle, add a symmetrical with it paddle 9 (as Fig. 3) above it again, establish positive stop strip 10 between two paddles.And an angle can upwards be opened during in face of current in paddle front, top, and is maximum until vertical with horizontal plane; Reverse side is during in face of current, and paddle will to a certain degree be closed up, and minimum angles is until running into positive stop strip 10.So present embodiment can claim opening-closing type, its strength that promotes rotating disk also can add the motive force of paddle 9 except that paddle down and embodiment 1 are identical.Therefore rotatory force can be big slightly.

Embodiment 3 is a web plate formula paddle, and this paddle is formed (as Fig. 4) by one that is fixing on grid framework 12 and the grid framework top synthetic fiber cloth 11 that can cover grid framework.When the paddle front meets water when stream, synthetic fiber cloth 12 is blocked by grid framework, and lifting surface area is big, and motive force is big.And opposite side paddle reverse side meets water when flowing, and synthetic fiber cloth is then started certain angle by the current impulsion, and is maximum to parallel with horizontal plane.Current flow through from grid framework, and lifting surface area is minimum, and resistance is little.Rotating disk will rotate along under the stressed big directive effect.

Embodiment 4 is the folded plate type paddle.Paddle is horizontal " V " font plate, and this plate is fixed in oar handle horizontal direction front portion, and 13 is frontal, and 14 is reverse side direction (as Fig. 5).When the paddle front met water the stream impact, resistance was bigger, and is stressed big; And opposite side paddle reverse side meets water when flowing simultaneously, and the resistance to water-flow meeting significantly reduces (because the anterior embowment of " V " font and paddle).Rotating disk will rotate.

Embodiment 2,3,4 and embodiment 1 are the same can to establish desilting sheet 5 equally below each oar handle.The rotation of rotating disk, oar handle, paddle produces eddy current, and the stirring that adds the desilting sheet is again stirred water-bed silt more fiercely.The silt of water-bed natural sedimentation is washed away by stirring at any time, has solved the silt alluvial problem in harbour, harbour, navigation channel.This apparatus structure is simple, and useable glass steel, plastics or metal are made, and makes and easy for installation, and is power with current, does not consume other energy during use.

Claims

1, a kind of device of automatic desilting under water, comprise squeeze into the bottom, perpendicular to the stake axle (2) of horizontal plane, be installed in the rotating disk (1) on stake axle top; It is characterized in that fixing with current on the rotating disk (1) is power, the rotating mechanism that water-bed mud is stirred, this rotating mechanism is made up of the paddle that is fixed on the above oar handle of two couples (3) on the rotating disk (1) and install on the oar handle; In its every pair paddle, the installation direction of left and right sides paddle is just in time opposite, and when a side flowed the front for meeting water, opposite side just in time was the stream reverse side that meets water, and the positive paddle lifting surface area of stream that meets water is big, and the paddle lifting surface area of the stream reverse side that meets water is little.

2, Accrete clearing device as claimed in claim 1, it is characterized in that paddle (4) is cuboid turnover panel shape, top two ends are provided with pivot (8), be pivotally mounted in the pivot hole (7) of oar handle front portion, it is installed in the below of oar handle horizontal direction front portion with flexibly connecting, and the position of paddle top is on the top of oar handle vertical direction.

3, Accrete clearing device as claimed in claim 2 is characterized in that the top of paddle (4) adds a paddle (9) of symmetry with it, is provided with paddle positive stop strip (10) between two paddles.

4, Accrete clearing device as claimed in claim 1, it is characterized in that paddle can be the web plate shape, grid framework (12) is vertically fixed on the oar handle (3) with horizontal plane, is fixing a synthetic fiber cloth (11) that can cover grid framework on the top of grid framework (12).

5, Accrete clearing device as claimed in claim 1 is characterized in that paddle can be " V " font plate of horizontal, and this plate is fixed in the front portion of oar handle horizontal direction.

6, as the described Accrete clearing device of one of claim 1-5, it is characterized in that oar handle (3) is provided with several desilting sheets (5), the desilting sheet is hung on oar handle by desilting rope (6).