CN213448610U

CN213448610U - Environment-friendly cutter-suction type dredging ship with blue algae removing function

Info

Publication number: CN213448610U
Application number: CN202022332894.8U
Authority: CN
Inventors: 芮佳平
Original assignee: Huzhou Santong Water Conservancy Construction Co ltd
Current assignee: Huzhou Santong Water Conservancy Construction Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-06-15
Anticipated expiration: 2030-10-19

Abstract

The utility model relates to an environmental protection cutter-suction type dredging ship with clear away blue alga function relates to the field of dredging equipment, including the dredging ship body, the both sides of dredging ship body are provided with the montant respectively, the montant slides and is connected with the carriage release lever, the both sides of dredging ship body are provided with the moving mechanism who is used for driving the carriage release lever to reciprocate respectively, moving mechanism connects in the carriage release lever, carriage release lever fixedly connected with collection algae box, it is cavity and one end and is the opening setting to collect the algae box, the dredging ship body is provided with the processing mechanism who carries out centralized processing to the blue alga, it deviates from open-ended one end fixedly connected with conveyer pipe to collect the algae box, the dredging ship body is provided with the water pump of connecting in the conveyer pipe, the water pump is connected in processing mechanism through setting up the connecting. This application has the effect that makes the desilting ship can also clear away the blue alga when the desilting.

Description

Environment-friendly cutter-suction type dredging ship with blue algae removing function

Technical Field

The application relates to the field of dredging equipment, in particular to an environment-friendly cutter-suction dredger with a blue algae removing function.

Background

A cutter suction dredger is a ship widely applied in dredging engineering, and is characterized in that a rotary reamer device is arranged at the front end of a water suction pipe around the water suction pipe to cut and stir river bottom sediment, and then the twisted sediment material is conveyed to a sediment material accumulation field through the mud suction pipe by virtue of strong pump force, so that the working processes of dredging, transporting and discharging the sediment and the like of the cutter suction dredger can be continuously finished at one time.

At present, due to environmental pollution, part of river water body is eutrophicated, so that blue algae outbreak is caused, a large amount of blue algae float on the surface of the water body, the ecological environment is easy to damage, and the blue algae need to be removed.

Chinese patent publication No. CN207314408U discloses a cutter suction dredger, which belongs to the technical field of ships. This cutter suction dredger, which comprises a ship body, the hull includes the main hull and the supplementary box of a plurality of that can dismantle the connection each other, it has mounting platform to articulate on the leading flank of main hull, the last dredge pump that is equipped with of mounting platform, the import and the dredge union coupling of dredge pump, the export and the mud discharge hose connection of dredge pump, the ballast tank has in the supplementary box, the last side of supplementary box is equipped with water inlet interface and drain pipe, be equipped with the inner chamber in the main hull, be equipped with water pump one and water pump two in the inner chamber, the water inlet of water pump one passes through the downside intercommunication of inlet tube and main hull, the delivery port of water pump one passes through water outlet hose and water inlet interface connection, the water inlet of water pump two passes through the upper end of water inlet hose and drain pipe and connects, the delivery port of water pump two passes through. The utility model has the advantages of the hull can the independent assortment, easy dismounting, the transportation of being convenient for, during operation stability are good.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: although the mud sucking boat can clear away the silt in the water, when the blue algae on the surface of the water needs to be cleared away, other cleaning equipment needs to be replaced to clear away the blue algae, and the cost is high.

SUMMERY OF THE UTILITY MODEL

In order to reduce the cleaning cost, the application provides an environmental protection cutter-suction type desilting ship with clear away blue alga function.

The application provides an environmental protection cutter-suction type desilting ship with clear away blue alga function adopts following technical scheme:

the utility model provides an environmental protection cutter suction type dredging ship with clear away blue alga function, includes the dredging ship body, the both sides of dredging ship body are provided with the montant respectively, the montant slides and is connected with the carriage release lever, the both sides of dredging ship body are provided with the moving mechanism that is used for driving the carriage release lever to reciprocate respectively, moving mechanism connects in the carriage release lever, carriage release lever fixedly connected with collection algae box, it is cavity and one end and is the opening setting to collect the algae box, the dredging ship body is provided with the processing mechanism who carries out centralized processing to the blue alga, it deviates from open-ended one end fixedly connected with conveyer pipe to collect the algae box, the dredging ship body is provided with the water pump of connecting in the conveyer pipe, the water pump is connected in processing mechanism through setting up.

Through adopting the above technical scheme, the desilting ship body starts, because the desilting ship body can slow moving in the desilting, thereby moving mechanism is opened to the accessible, moving mechanism can move the carriage release lever downwards, make collection algae box opening can remove to the water surface, thereby when the desilting ship body removes, the blue alga can get into to collection algae box inside, power through the water pump makes the blue alga can enter into to processing mechanism in through the conveyer pipe, processing mechanism can carry out centralized processing to the blue alga, thereby make the desilting ship body in the desilting, can clear away the blue alga on water surface, reach the purpose of practicing thrift the cost.

Optionally, the moving mechanism comprises a screw rod rotatably connected to the dredging ship body, the moving rod is in threaded connection with the screw rod, the screw rod is fixedly connected with a first gear, the dredging ship body is fixedly connected with a moving motor, and the output end of the moving motor is fixedly connected with a second gear meshed with the first gear.

Through adopting above-mentioned technical scheme, through opening the travelling motor, the travelling motor can drive the second gear and rotate, because first gear meshing in the second gear to make the lead screw rotate, and then make the carriage release lever reciprocate along the lead screw, make the algae collection box can remove to the water surface, make the blue alga can enter into in the algae collection box.

It is optional, processing mechanism includes the processing case of fixed connection in the desilting ship body, it is the cavity setting to handle the case, the water pump is connected in handling the case upper end through setting up the connecting pipe, it is located connecting pipe below fixedly connected with filter screen to handle the incasement, it is located the position fixedly connected with drain pipe of filter screen below to handle the case, desilting ship body fixedly connected with is hollow collecting box, the collecting box upper surface is the opening setting, the position that handles the case and be located the filter screen has seted up the window, it is located the position fixedly connected with of window below and concentrates the pipe to handle the case lateral wall, the collecting box open end is set up to the one end of concentrating the pipe, it is provided with and is used for pushing away the push assembly of blue alga to concentrating intrad.

Through adopting above-mentioned technical scheme, the blue alga enters into to handling the incasement through the connecting pipe, and because the filtering action of filter screen, make the blue alga can adsorb on the filter screen, and lake water can pass the filter screen and flow to handling the case lower extreme, thereby make lake water can flow back to in the water body through the drainage pipe, after the filter screen filters certain time, it can concentrate the blue alga on the filter screen and push away to in the concentrated pipe to promote the subassembly, make the blue alga flow to the collecting box through the concentrated pipe, thereby concentrate the collection with the blue alga, convenient unified processing.

Optionally, the promotion subassembly is including sliding the connecting rod of wearing to locate to handle the case lateral wall, the connecting rod is located the one end fixedly connected with brush board of handling the incasement chamber, brush board butt in filter screen, it is provided with the drive assembly who is used for driving the brush board and removes to handle the incasement wall, drive assembly connects in the connecting rod.

Through adopting above-mentioned technical scheme, drive assembly drive connecting rod removes, and then makes the brush board can concentrate the blue alga on the filter screen and push to concentrated intraductal, later by the blue alga rely on gravity to flow down to the collecting box in.

Optionally, the driving assembly comprises a driving motor fixedly connected to the outer wall of the processing box, a third gear is fixedly connected to the output end of the driving motor, and a rack meshed with the third gear is fixedly connected to the side wall of the connecting rod.

Through adopting above-mentioned technical scheme, driving motor drive third gear revolve to because the rack meshes in the third gear to make the rack can drive the connecting rod and remove, make the brush board can move towards the direction of concentrating the pipe, and then make the brush board can push the blue alga on the filter screen in the concentrated pipe, make the blue alga slide in the collecting box.

Optionally, the treatment box upper end is worn to be equipped with the movable rod along longitudinal sliding, the movable rod upper end stretches out the treatment box, and its lower extreme is located the treatment box inner chamber and is connected with the extrusion subassembly that is used for extrudeing the blue alga and makes its dehydration, the movable rod upper end rotates and is connected with the spacing subassembly that the restriction movable rod removed, spacing subassembly joint is in handling the case lateral wall.

By adopting the technical scheme, in order to ensure that the blue algae can be better dehydrated and the water contained in the blue algae is extruded, when a certain amount of blue algae is adsorbed on the filter screen, the power of the water pump is temporarily stopped, then the extrusion component is adjusted to cover the filter screen in a large area, then the limiting component is rotated to separate the limiting component from the treatment box, so that the movable rod can move downwards to enable the extrusion component to be pressed on the upper surface of the filter screen, further squeezing the blue algae to discharge the water on the surface of the blue algae through squeezing, then moving the movable rod upwards, the extrusion component is adjusted to minimize the area of the extrusion component, the extrusion component is prevented from blocking the filter screen to influence the blue algae to flow onto the filter screen, then the limit component is clamped on the side wall of the processing box, thereby make extrusion subassembly and filter screen separation, later can drive the brush board and push the blue alga on the filter screen to concentrate intraductally.

Optionally, the extrusion subassembly includes the pressure disk of fixed connection in movable rod lower extreme, just the pressure disk cross-section is semi-circular and is located the filter screen top, the pressure disk is cavity and a side radius lateral wall and is the opening setting, the movable rod is cavity and both ends and is the opening setting, the bull stick is worn to be equipped with by the movable rod internal rotation, the bull stick lower extreme stretches into to the pressure disk inner chamber and swivelling joint in pressure disk inner wall, the pressure disk inner chamber is worn to be equipped with the cross-section and is semi-circular secondary dish, just secondary dish lateral wall fixed connection is in the bull stick.

Through adopting above-mentioned technical scheme, after the blue alga stops to get into and handles the case, rotatable bull stick makes the bull stick can drive the secondary dish and rotate out from pressure disk opening side, thereby make pressure disk and secondary dish form incomplete confined circular, increased with the area of contact of filter screen, thereby can be better carry out the extrusion dehydration to the blue alga, after the extrusion finishes, with movable rod rebound, make pressure disk and filter screen separation, turn back the secondary dish to the pressure disk in again, thereby make follow-up flow in handle the incasement blue alga can in the same direction as falling to the filter screen on.

Optionally, the limiting assembly comprises a limiting rod rotatably connected to the upper end of the movable rod, and a limiting groove for clamping the limiting rod is formed in the upper surface of the processing box.

Through adopting above-mentioned technical scheme, through rotating the gag lever post, make gag lever post and spacing groove separation to make the movable rod can the downstream, make pressure disk and secondary dish can support tightly in the filter screen, thereby extrude the dehydration to the blue alga.

In summary, the present application includes at least one of the following beneficial technical effects:

the utility model discloses a desilting ship body, including desilting ship body, the setting of desilting ship body is including the setting of desilting ship body, the setting of desilting ship body.

After the blue alga stops to get into and handles the case, rotatable bull stick makes the bull stick can drive the secondary disc and rotates out from the pressure disk opening side, has increased the area of contact with the filter screen to can be better carry out the extrusion dehydration to the blue alga, after the extrusion finishes, with movable rod rebound, make pressure disk and filter screen separation, turn back the secondary disc to the pressure disk in again, thereby make follow-up flow in handle the incasement blue alga can be in the same direction as the advantage fall to the filter screen on.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

FIG. 3 is a schematic view of the internal structure of the treatment tank in this embodiment.

Description of reference numerals: 1. a dredging ship body; 2. a vertical rod; 3. a travel bar; 4. an algae collecting box; 41. a delivery pipe; 42. a water pump; 5. a processing mechanism; 6. a moving mechanism; 61. a screw rod; 62. a first gear; 63. a moving motor; 64. a second gear; 51. a treatment tank; 52. filtering with a screen; 53. a drain pipe; 7. a collection box; 71. a concentration pipe; 72. a pushing assembly; 8. a movable rod; 81. an extrusion assembly; 82. a limiting component; 821. a limiting rod; 822. a limiting groove; 811. a platen; 812. a secondary disc; 813. a rotating rod; 721. a connecting rod; 722. brushing the board; 73. a drive assembly; 731. a drive motor; 732. a third gear; 733. a rack.

Detailed Description

The present application is described in further detail below with reference to figures 1-3. The cutter suction dredger is characterized in that a rotary reamer device is arranged around a suction pipe at the front end of the suction pipe to cut and stir sediment at the river bottom, and the stranded sediment material is conveyed to a sediment material accumulation field by virtue of strong pump force through the suction pipe.

The embodiment of the application discloses an environment-friendly cutter-suction dredger with a blue algae removing function. Referring to fig. 1 and 2, an environment-friendly cutter suction dredger with a blue algae removing function comprises a dredger body 1, wherein vertical rods 2 are respectively fixed on two sides of a reamer of the dredger body 1, the vertical rods 2 are connected with vertical moving rods 3 in a sliding manner along the longitudinal direction, each moving rod 3 comprises a transverse part and a vertical part, the transverse part and the vertical part of each moving rod 3 are vertically arranged, the transverse part of each moving rod 3 is connected with the corresponding vertical rod 2 in a sliding manner, a horizontal algae collecting box 4 is welded at the lower end of the vertical part of each moving rod 3, the algae collecting boxes 4 are arranged in a hollow fan shape, one side of the diameter of each algae collecting box 4 is arranged in an opening manner, a conveying pipe 41 communicated with the inner cavity of each algae collecting box 4 is welded at one end, which is far away from the opening, a water pump 42 connected with the conveying pipe 41 is arranged on the dredger body 1, a processing mechanism 5 for processing blue algae is arranged on the water pump 42, and is, the two sides of the dredging ship body 1 are respectively provided with a moving mechanism 6 for moving the algae collecting box 4 to the water surface, the moving mechanism 6 is connected to the transverse part of the moving rod 3, and the conveying pipe 41 is a hose, so that the movement of the algae collecting box 4 is not interfered.

Referring to fig. 1 and 2, moving mechanism 6 includes the lead screw 61 of connecting in desilting ship body 1 through the bearing rotation, lead screw 61 is vertical setting and is located montant 2 one side, 3 horizontal parts of carriage release lever slide connect also threaded connection in montant 2 in lead screw 61, the welding of lead screw 61 lower extreme has first gear 62, the welding of desilting ship body 1 has moving motor 63, moving motor 63 is servo motor, the welding of moving motor 63 output has second gear 64 that meshes in first gear 62, thereby can make the upper surface of collection algae box 4 be located water surface top, the lower surface of collection algae box 4 is located water surface below, and then make the blue alga can get into the inside stream of collection algae box 4 and to processing mechanism 5.

Referring to fig. 1 and 3, processing mechanism 5 is including being fixed in the processing case 51 of dredging ship body 1, processing case 51 is the setting of hollow cuboid, the connecting pipe welding of water pump 42 is worn to locate and is handled case 51 upper end, it has horizontally filter screen 52 to handle the welding of case 51 inner wall, and filter screen 52 is located the below setting of connecting pipe port, make the blue alga that gets into in handling case 51 can receive filter screen 52's separation, make water can flow to processing case 51 bottom through filter screen 52, it is fixed to wear to be equipped with the drain pipe 53 that makes water discharge to the water to handle case 51 lower extreme simultaneously, drain pipe 53 goes out the water end and extends to water surface top. One side that the desilting ship body 1 is located and is handled case 51 is provided with and is hollow collecting box 7, collecting box 7 upper surface is the opening setting, handle the position that case 51 lateral wall is located filter screen 52 and seted up window 9, and handle the position welding that case 51 lateral wall is located window 9 below and have concentrated pipe 71 towards the slope of below to incline, and the one end that concentrates pipe 71 to deviate from and handle case 51 is set up in collecting box 7 upper end, it is provided with the promotion subassembly 72 that is used for pushing away the blue alga to concentrating in the pipe 71 to handle case 51, promotion subassembly 72 butt is in filter screen 52 upper surface.

Referring to fig. 3, it is vertical movable rod 8 to wear to be equipped with along longitudinal sliding to handle case 51 upper surface, and the movable rod 8 upper end stretches out and handles case 51, and the lower extreme is located and handles the case 51 inner chamber and be provided with the extrusion subassembly 81 that is used for making the blue alga dehydration, and extrusion subassembly 81 is located the filter screen 52 top, and the articulated spacing subassembly 82 that carries out spacingly to movable rod 8 in the upper end of movable rod 8 simultaneously, and spacing subassembly 82 joint is in handling case 51 upper surface. Spacing subassembly 82 is including articulating in the gag lever post 821 of activity pole 8 upper end, and gag lever post 821 includes horizontal portion, perpendicular portion, and gag lever post 821 horizontal portion is perpendicular setting with perpendicular portion, handles the spacing groove 822 that case 51 upper surface outer wall offered the gag lever post 821 joint along vertically, in order to prevent that gag lever post 821 from causing the interference in the rotation process, the width of seting up of spacing groove 822 is greater than the width of gag lever post 821.

Referring to fig. 3, the extrusion assembly 81 includes a platen 811 welded to the lower end of the movable rod 8, the platen 811 is horizontal and located at one side of the movable rod 8 away from the port of the connection pipe, the cross-section of the platen 811 is semicircular and located above the filter screen 52 and below the port of the connection pipe, while the lower end of the movable rod 8 is fixed at the center of the circle of the platen 811, the platen 811 is hollow and has an opening at one side radius, a sub-plate 812 with a semicircular cross-section is penetrated in the platen 811, the movable rod 8 is hollow and has openings at both the upper and lower ends, so that the lower end of the movable rod 8 is communicated with the inner cavity of the platen 811, a vertical rotating rod 813 is penetrated in the movable rod 8, the lower end of the rotating rod 813 extends into the inner cavity of the platen 811 and is rotatably connected to the lower inner wall of the platen 811 through a bearing, while the lower end of the rotating rod 813 is, the sub-plate 812 and the platen 811 are formed into an incompletely closed circle.

Referring to fig. 3, the pushing assembly 72 includes a connecting rod 721 sliding through the processing box 51 in a transverse direction, the connecting rod 721 is disposed in a rectangular strip shape, one end of the connecting rod 721 located in the processing box 51 is welded with a vertical brush plate 722, the lower end of the brush plate 722 abuts against the upper surface of the filter screen 52, the outer wall of the processing box 51 is provided with a driving assembly 73 for driving the connecting rod 721 to move, the driving assembly 73 includes a driving motor 731 welded on the outer wall of the processing box 51, the driving motor 731 is a servo motor, the output end of the driving motor 731 is welded with a third gear 732, the side wall of the lower surface of the connecting rod 721 is welded with a rack 733 engaged with the third gear 732, when the limiting rod 821 is clamped in the limiting groove 822, the distance between the pressing plate 811 and the filter screen 52 can allow the brush plate 722 to move through, and when the pressing plate 811 extrudes blue algae, so that the brush plate 722 does not interfere with the platen 811 abutting the screen 52.

The implementation principle of the embodiment of the application is as follows: make lead screw 61 rotate through the mobile motor 63 earlier, thereby be located the water body with the lower surface of collection algae box 4, collection algae box 4 upper surface is located water surface top, thereby desilting ship body 1 is at the removal desilting in-process, the blue alga can get into in collection algae box 4, again through the water pump 42 with the mixed liquid suction of blue alga and water to handling the case 51 together in, make hydroenergy can see through filter screen 52 and flow to handling the case 51 bottom, and discharge to the water body in from drain pipe 53, and the blue alga is because the separation of filter screen 52, remain at filter screen 52 upper surface.

In order to dehydrate the blue algae, after a certain amount of blue algae is pushed up to the filter screen 52, the water pump 42 is suspended to stop the blue algae from entering the treatment box 51, the rotating rod 813 is rotated at the moment, the rotating rod 813 can rotate the secondary disc 812 out of the inner cavity of the pressure disc 811, so that the contact area with the filter screen 52 is increased, more blue algae can be extruded simultaneously, the limiting rod 821 is separated from the limiting groove 822, the movable rod 8 moves downwards, the pressure disc 811 and the secondary disc 812 can be pressed on the upper surface of the filter screen 52, the moisture on the surface of the blue algae can be extruded out, the movable rod 8 moves upwards, the limiting rod 821 is clamped in the limiting groove 822, the pressure disc 811 is separated from the filter screen 52, the rotating rod 813 is rotated to rotate the secondary disc 812 back to the pressure disc 811, only the filter screen 52 is arranged right below the port of the connecting pipe, and the secondary disc 812 can prevent the subsequent blue algae from falling on the filter screen 52.

Then driving motor 731 opens, makes third gear 732 rotate, and then drives connecting rod 721 and move towards concentrated pipe 71 direction, makes brush board 722 can concentrate the blue alga of filter screen 52 upper surface and push to concentrated pipe 71 in to make the blue alga can slide into in collecting box 7 along the concentrated pipe 71 of slope, later drives brush board 722 to reset again, thereby conveniently handles blue alga concentratedly, makes desilting ship body 1 can clear away the blue alga when the desilting, practices thrift the cost.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an environmental protection cutter-suction type desilting ship with clear away blue alga function, includes desilting ship body (1), its characterized in that: the both sides of desilting ship body (1) are provided with montant (2) respectively, montant (2) slide and are connected with carriage release lever (3), the both sides of desilting ship body (1) are provided with respectively and are used for driving moving mechanism (6) that carriage release lever (3) reciprocated, moving mechanism (6) are connected in carriage release lever (3), carriage release lever (3) fixedly connected with collection algae box (4), collection algae box (4) are cavity and one end and are the opening setting, desilting ship body (1) is provided with carries out centralized processing's processing mechanism (5) to the blue alga, collection algae box (4) deviate from open-ended one end fixedly connected with conveyer pipe (41), desilting ship body (1) is provided with water pump (42) of connecting in conveyer pipe (41), water pump (42) are connected in processing mechanism (5) through setting up the connecting pipe.

2. The environment-friendly cutter-suction dredger with the blue algae removing function according to claim 1, is characterized in that: moving mechanism (6) are including rotating lead screw (61) of connecting in desilting ship body (1), carriage release lever (3) threaded connection is in lead screw (61), lead screw (61) first gear (62) of fixedly connected with, desilting ship body (1) fixedly connected with moving motor (63), moving motor (63) output end fixedly connected with meshes second gear (64) in first gear (62).

3. The environment-friendly cutter-suction dredger with the blue algae removing function according to claim 1, is characterized in that: the treatment mechanism (5) comprises a treatment box (51) fixedly connected to the dredging ship body (1), the treatment box (51) is arranged in a hollow mode, the water pump (42) is connected to the upper end of the treatment box (51) through a connecting pipe, a filter screen (52) is fixedly connected to the lower portion of the connecting pipe in the treatment box (51), a drain pipe (53) is fixedly connected to the position, below the filter screen (52), of the treatment box (51), a hollow collection box (7) is fixedly connected to the dredging ship body (1), the upper surface of the collection box (7) is arranged in an opening mode, a window (9) is formed in the position, below the filter screen (52), of the treatment box (51), a centralized pipe (71) is fixedly connected to the position, below the window (9), of the side wall of the treatment box (51), one end of the centralized pipe (71) is erected at the open end of the collection, the treatment box (51) is provided with a pushing assembly (72) for pushing the blue algae into the concentration pipe (71), and the pushing assembly (72) is abutted to the filter screen (52).

4. The environment-friendly cutter-suction dredger with the blue algae removing function according to claim 3, characterized in that: the pushing assembly (72) comprises a connecting rod (721) which is arranged on the side wall of the treatment box (51) in a sliding and penetrating mode, a brush plate (722) is fixedly connected to one end, located in the inner cavity of the treatment box (51), of the connecting rod (721), the brush plate (722) abuts against the filter screen (52), a driving assembly (73) used for driving the brush plate (722) to move is arranged on the outer wall of the treatment box (51), and the driving assembly (73) is connected to the connecting rod (721).

5. The environment-friendly cutter-suction dredger with the blue algae removing function according to claim 4, characterized in that: the driving assembly (73) comprises a driving motor (731) fixedly connected to the outer wall of the treatment box (51), the output end of the driving motor (731) is fixedly connected with a third gear (732), and the side wall of the connecting rod (721) is fixedly connected with a rack (733) meshed with the third gear (732).

6. The environment-friendly cutter-suction dredger with the blue algae removing function according to claim 3, characterized in that: handle case (51) upper end and wear to be equipped with movable rod (8) along longitudinal sliding, movable rod (8) upper end stretches out and handles case (51), and its lower extreme is located and handles case (51) inner chamber and be connected with and be used for extrudeing extrusion subassembly (81) that the blue alga made its dehydration, movable rod (8) upper end is rotated and is connected with spacing subassembly (82) that restriction movable rod (8) removed, spacing subassembly (82) joint is in handling case (51) lateral wall.

7. The environment-friendly cutter-suction dredger with the blue algae removing function according to claim 6, is characterized in that: extrusion subassembly (81) include fixed connection in pressure disk (811) of movable rod (8) lower extreme, just pressure disk (811) cross-section semicircular in shape and lie in filter screen (52) top, pressure disk (811) is cavity and a side radius lateral wall and is the opening setting, movable rod (8) are cavity and both ends and are the opening setting, bull stick (813) are worn to be equipped with by movable rod (8) internal rotation, bull stick (813) lower extreme stretches into pressure disk (811) inner chamber and rotates and connect in pressure disk (811) inner wall, pressure disk (811) inner chamber is worn to be equipped with the cross-section semicircular secondary dish (812), just secondary dish (812) lateral wall fixed connection in bull stick (813).

8. The environment-friendly cutter-suction dredger with the blue algae removing function according to claim 6, is characterized in that: spacing subassembly (82) are including rotating gag lever post (821) of connecting in movable rod (8) upper end, handle case (51) upper surface and offer spacing groove (822) that supply gag lever post (821) joint.