An environmentally friendly cutter suction dredger scraper type dredging machine

Abstract

The present invention relates to an environmentally friendly cutter suction dredger scraper type silt removal machine, comprising a bridge flange base, a machine body, a posture adjustment cylinder, a vertical scraper adjustment cylinder, a vertical scraper, a horizontal scraper and a connecting rod; a rotatable posture adjustment cylinder is installed in the middle of the bridge flange base, the machine body comprises a fixed cover and a round square pipe, the fixed cover is connected to the square pipe mouth end of the round square pipe, and the upper part of the machine body is hinged to the posture adjustment cylinder; the vertical scraper adjustment cylinder is rotatably installed on the fixed cover; the top of the vertical scraper is hinged to the vertical scraper adjustment cylinder, the inside is hinged to the fixed cover, and the outside is hinged to the inside of the horizontal scraper; the top of the horizontal scraper is hinged to one end of the connecting rod, and the other end of the connecting rod is hinged to the fixed cover; the bottom of the horizontal scraper is always horizontal and parallel to the bottom of the fixed cover in any posture. The present invention sucks in the dredged sludge by the left and right lateral movement of the cutter suction dredger, and ensures the flatness, so as to achieve high-concentration dredging.

Description

Technical Field

[0001] The invention belongs to the technical field of dredging, and in particular relates to an environmentally friendly cutter suction dredger scraper type dredging machine. Background Art

[0002] In recent years, the number of environmental dredging projects in inland rivers and lakes has gradually increased. Faced with increasingly stringent environmental protection requirements, the performance of some old environmental dredgers' construction equipment has been increasingly unable to meet the requirements. The main indicators of environmental dredging are reflected in two aspects: one is the secondary pollution of water bodies caused by dredging, and the other is the flatness of the dredged bottom mud. The ordinary cutter of the environmental dredger is difficult to control these two indicators.

[0003] High-concentration dredging of bottom mud can be achieved by relying on traditional environmental auger, but the flatness of the dredged bottom mud cannot be accurately controlled. In addition, dredging equipment also needs to have different functions for different soil types. The environmental auger relies on the rotation of the auger body to cut the bottom mud and suck it in by the mud pump and then discharge it to the mud receiving area. It needs to have a certain power. For the silty contaminated bottom mud that is easier to dredge, since the equipment does not need to have a large digging force, it can be directly sucked in by the mud pump, thereby reducing the equipment operation cost. At this time, only the dredging equipment at the bottom of the bridge is needed to continuously supply the sucked mud. Therefore, it is urgent to design a dredging equipment for silty soil that will not cause secondary pollution of the water body and ensure the flatness of the dredged bottom mud. Summary of the invention

[0004] In view of the problems existing in the prior art, the present invention provides an environmentally friendly cutter suction dredger scraper-type dredging machine which can dredge muddy bottom sludge with high flatness and high concentration.

[0005] The present invention is implemented as follows: an environmentally friendly cutter suction dredger scraper type dredging tool comprises a bridge flange base, a tool body, a posture adjustment cylinder, a vertical scraper adjustment cylinder, a vertical scraper, a horizontal scraper and a connecting rod;

[0006] The upper part of the bridge flange base is a circular flange connected to the bridge flange, and the middle part is rotatably mounted with a posture adjustment cylinder for adjusting the posture of the machine body;

[0007] The machine body includes a fixed cover located at the front side and a round square pipe located at the rear side, the fixed cover is connected to the square pipe mouth end of the round square pipe, the fixed cover is a semi-conical structure and is bilaterally symmetrical, the suction port of the machine body is located at the square pipe mouth of the round square pipe, the interior of the fixed cover is a cavity structure that is conducive to mud flow, the round square pipe is used to suck mud and transport it to the bridge frame mud discharge pipe, the upper part of the machine body is hinged to the telescopic rod end of the posture adjustment cylinder, and the mud digging posture of the machine body is adjusted by the posture adjustment cylinder;

[0008] The vertical scraper adjusting cylinder can be rotatably installed on the fixed cover; the top of the vertical scraper is hinged to the telescopic rod end of the vertical scraper adjusting cylinder, the inner side is hinged to the fixed cover, and the outer side is hinged to the inner side of the horizontal scraper; the top of the horizontal scraper is hinged to one end of the connecting rod, and the other end of the connecting rod is hinged to the fixed cover; the vertical scraper adjusting cylinder is telescopic to drive the vertical scraper to rotate and then drive the horizontal scraper to move to adjust the dredging thickness, and the bottom of the horizontal scraper always remains horizontal and parallel to the bottom of the fixed cover in any posture; the vertical scraper adjusting cylinder, the vertical scraper and the horizontal scraper are all arranged in left-right symmetry relative to the fixed cover.

[0009] In the above technical solution, preferably, both sides of the round square pipe are provided with tool body connecting ear plates extending toward the bridge flange base side, and both sides of the lower part of the bridge flange base are provided with bridge flange base connecting ear plates, and the bridge flange base connecting ear plates are hingedly connected to the tool body connecting ear plates.

[0010] In the above technical solution, preferably, a grille is provided at the square pipe opening of the round square pipe, and the hole spacing of the grille is smaller than the minimum flow diameter of the mud pump impeller.

[0011] In the above technical solution, preferably, the circular pipe mouth end of the round-shaped square pipe is provided with a mud pipe flange for connecting to the bridge frame mud discharge pipe.

[0012] In the above technical solution, it is further preferred that the mud pipe flange is connected to the bridge mud discharge pipe by a rubber tube, and the nominal diameter of the mud pipe flange is DN450mm.

[0013] In the above technical solution, preferably, the thickness of the vertical scraper is 30 mm. When working, one side of the vertical scraper is used to collect the cut soil, and the other side of the vertical scraper is used to adjust the thickness of the cut soil.

[0014] In the above technical solution, preferably, the thickness of the horizontal scraper is 30 mm. When working, one side of the horizontal scraper is used to cut the soil and ensure the flatness of the cut soil, and the other side of the horizontal scraper is used to adjust the thickness of the cut soil.

[0015] In the above technical solution, preferably, a horizontal scraper cutting edge is provided at the inner bottom of the horizontal scraper.

[0016] In the above technical solution, preferably, the posture adjustment cylinder is equipped with a displacement sensor 1 for detecting the posture of the machine body, and the two vertical scraper adjustment cylinders are respectively equipped with displacement sensors 2 for detecting the dredging thickness of the machine, and the posture adjustment cylinder and the two vertical scraper adjustment cylinders are independently controlled.

[0017] Compared with the prior art, the present invention has the following advantages and positive effects:

[0018] The environmentally friendly cutter suction dredger scraper-type dredging machine of the present invention adopts a brand-new technical solution. Compared with the prior art, the present invention adjusts the machine posture and the scraper mud cutting thickness through the oil cylinder to adapt to different dredging depth requirements and production requirements; no power equipment is required, and when the ship moves horizontally to the left and right, it only relies on the pulling force of the horizontal winch to cut the bottom mud through the horizontal scraper, and cooperates with the mud pump to directly suck the mud for dredging the silt, thereby increasing the dredging concentration and reducing the equipment operation cost; the bottom of the machine body and the bottom of the horizontal scraper are tightly fitted with the mud surface to ensure the flatness of the dredged bottom mud, reduce the entry of excess water into its cavity, realize high-concentration dredging, accurately control the amount of sucked mud, meet the requirements of the bottom mud treatment project for the required amount of mud, reduce the secondary pollution of the water body, and apply it to construction and production, which will bring huge economic benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of an environmentally friendly cutter suction dredger scraper-type dredging machine provided by an embodiment of the present invention;

[0020] Figure 2 2. It is a front view of an environmentally friendly cutter suction dredger scraper-type dredging machine provided by an embodiment of the present invention;

[0021] Figure 3 is a top view of an environmentally friendly cutter suction dredger scraper-type dredging machine provided by an embodiment of the present invention;

[0022] Figure 4 This is a working state diagram of the scraper-type dredging equipment of the environmentally friendly cutter suction dredger provided by the embodiment of the present invention when the ship is moving right transversely;

[0023] Figure 5 The invention discloses a construction state diagram of an environmentally friendly cutter suction dredger scraper-type dredging machine when the vessel is moving left.

[0024] In the figure: 1. flange base; 11. round flange; 12. bridge flange base connecting ear plate; 2. mud pipe flange; 3. posture adjustment cylinder; 4. machine body; 41. round and square pipe; 42. fixed cover; 43. machine body connecting ear plate; 5. grille; 6. connecting rod; 7. vertical scraper adjustment cylinder; 8. vertical scraper; 9. horizontal scraper; 91. horizontal scraper cutting edge; 10. bottom mud. DETAILED DESCRIPTION

[0025] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings:

[0026] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "one", "two", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] Example

[0029] like Figures 1 to 5 As shown, an embodiment of the present invention provides an environmentally friendly cutter suction dredger scraper type dredging machine, including a bridge flange base 1, a machine body 4, a posture adjustment cylinder 3, a vertical scraper adjustment cylinder 7, a vertical scraper 8, a horizontal scraper 9 and a connecting rod 6.

[0030] The upper part of the bridge flange base 1 is a circular flange 11 connected to the bridge flange. When working, the bridge flange base 1 and the bridge flange are fixedly connected as a whole by bolts, which is used to support the main part of the machine and ensure the working reliability of the entire machine; the middle part is rotatably installed with a posture adjustment cylinder 3 for adjusting the posture of the machine body to adapt to the different digging depths of the ship, ensuring that the bottom of the machine body 4 is always close to the mud surface and parallel to the horizontal direction.

[0031] The machine body 4 includes a fixed cover 42 located at the front side and a round square pipe 41 located at the rear side. The fixed cover 42 is connected to the square pipe mouth end of the round square pipe 41. The fixed cover 42 is a semi-conical structure and is bilaterally symmetrical. The suction port of the machine body 4 is located at the square pipe mouth of the round square pipe 41. The interior of the fixed cover 42 is a cavity structure that is conducive to the flow of mud. The round square pipe 41 is used to suck mud and transport it to the bridge frame mud discharge pipe. The upper part of the machine body 4 is hinged with the telescopic rod end of the attitude adjustment cylinder 3. The working angle of the machine body 4 is adjusted by the attitude adjustment cylinder 3. When dredging, the bottom of the machine body 4 is close to the mud surface and always maintains a horizontal state to ensure the flatness of dredging. The machine body 4 in this embodiment is a bilaterally symmetrical structure. The machine body 4 is welded from steel plates for easy manufacturing; the front side of the fixed cover 42 is a circular vertical plate, and the rear side is a door arch vertical plate. The lower part of the door arch vertical plate is the suction port of the machine body.

[0032] Connecting ear plates for connecting the vertical scraper adjusting cylinder 7, the vertical scraper 8 and the connecting rod 6 are welded on the fixed cover 42. The vertical scraper 8 is made of a whole piece of steel plate, and is respectively provided with connecting ear plates on the inner and outer sides and the top along the length direction; the horizontal scraper 9 is made of a whole piece of steel plate, and is respectively provided with connecting ear plates on the inner side and the top along the length direction; the connecting rod 6 is welded from steel plates, and is provided with ear holes at both ends.

[0033] The vertical scraper adjustment cylinder 7 can be rotatably mounted on a connecting ear plate of the fixed cover 42. The vertical scraper adjustment cylinder 7 is used to adjust the working angle of the vertical scraper 8 and adjust the thickness of the cut mud in real time. The connecting ear plate at the top of the vertical scraper 8 is hinged to the telescopic rod end of the vertical scraper adjustment cylinder 7 through a pin shaft, the inner connecting ear plate is hinged to a connecting ear plate of the fixed cover 42 through a pin shaft, and the outer connecting ear plate is hinged to the connecting ear plate inside the horizontal scraper 9 through a pin shaft. The vertical scraper 8 is used to collect mud; the connecting ear plate at the top of the horizontal scraper 9 is hinged to one end of the connecting rod 6 through a pin shaft, and the other end of the connecting rod 6 is hinged to a connecting ear plate of the fixed cover 42 through a pin shaft, and the horizontal scraper 9 is used to cut mud. The vertical scraper adjustment cylinder 7 is extended and retracted to drive the vertical scraper 8 to rotate and then drive the horizontal scraper 9 to move to adjust the dredging thickness. According to the parallelogram principle, the bottom of the horizontal scraper 9 always remains horizontal and parallel to the bottom of the fixed cover 42 in any posture. When working, the horizontal scraper 9 always remains horizontal, strictly controls the dredging thickness, ensures the dredging accuracy, reduces the excess water entering the movable cover, and improves the dredging concentration. The vertical scraper 8, the horizontal scraper 9 and the vertical scraper adjustment cylinder 7 are all arranged symmetrically relative to the fixed cover 42.

[0034] Preferably, tool body connecting ear plates 43 extending toward the bridge flange base 1 are provided on both sides of the round square pipe 41, and bridge flange base connecting ear plates 12 are provided on both sides of the lower part of the bridge flange base 1. The bridge flange base connecting ear plates 12 are hinged to the tool body connecting ear plates 43 to ensure that the tool body 4 can rotate smoothly around the pin shaft.

[0035] Preferably, a grid 5 is provided at the square pipe mouth of the round square pipe 41. The grid 5 is welded from steel plates and has a porous structure. The hole spacing of the grid 5 is smaller than the minimum flow diameter of the mud pump impeller, which can prevent larger debris from entering the mud pipe and prevent pump blockage.

[0036] Preferably, the circular pipe mouth end of the round square pipe 41 is provided with a mud pipe flange 2 for connecting to the bridge mud pipe, and the mud pipe flange 2 is connected to the bridge mud pipe by bolts. More preferably, the mud pipe flange 2 is connected to the bridge mud pipe by a rubber tube, which makes it easier for the round square pipe to rotate relative to the bridge flange base, and the mud pipe flange 2 has a nominal diameter of DN450mm.

[0037] Preferably, the thickness of the vertical scraper 8 is 30 mm. When working, one side of the vertical scraper is used to collect the cut soil, and the other side of the vertical scraper is used to adjust the thickness of the cut soil. The thickness of the horizontal scraper 9 is 30 mm. When working, one side of the horizontal scraper is used to cut the soil and ensure the flatness of the cut soil, and the other side of the horizontal scraper is used to adjust the thickness of the cut soil. The horizontal scraper always keeps a horizontal state.

[0038] Preferably, a horizontal scraper cutting edge 91 is provided at the inner bottom of the horizontal scraper 9. When dredging, the bottom of the horizontal scraper 9 is close to the mud surface and is always parallel to the horizontal plane to ensure the dredging flatness. The vertical height between the bottoms of the horizontal scrapers 9 on both sides is the dredging thickness; when the ship moves left or right, the cutting edge at the bottom of the horizontal scraper 9 is responsible for cutting the mud.

[0039] Preferably, the posture adjustment cylinder 3 is equipped with a displacement sensor 1 for detecting the posture of the machine body, which is used to indicate the dredging posture of the machine body, so that the control system can accurately control the dredging flatness and depth. The two vertical scraper adjustment cylinders 7 are respectively equipped with displacement sensors 2 for detecting the dredging thickness of the machine, which are used to indicate the height of the horizontal scraper and the mud cutting posture, so that the control system can accurately control the dredging thickness. The posture adjustment cylinder 3 and the two vertical scraper adjustment cylinders 7 are independently controlled and do not interfere with each other.

[0040] The specific working principle of the present invention is as follows:

[0041] When the dredging depth is determined, the control system sends a command to the attitude adjustment cylinder 3 to keep the bottom of the machine body 4 horizontal and close to the mud surface. When the ship moves to the left, the left vertical scraper adjustment cylinder adjusts the left horizontal scraper to a certain height to determine the thickness of the mud cutting, and the right vertical scraper adjustment cylinder adjusts the right horizontal scraper to the specified position and keeps it horizontal. When the ship moves to the right, the opposite is true. The horizontal scraper is pushed to cut mud by the pulling force of the left and right transverse winches of the ship. Under the suction action of the mud pump in the cabin, the mud enters the mud pump in the cabin through the grille and the suction port of the machine body and is transported to the landfill or treatment site through the mud discharge pipe on the ship.

[0042] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are within the scope of the technical solution of the present invention.

Claims

1. An environmentally friendly cutter suction dredger scraper type dredging machine, characterized in that: It includes a bridge flange base, a machine body, a posture adjustment cylinder, a vertical scraper adjustment cylinder, a vertical scraper, a horizontal scraper and a connecting rod; The upper part of the bridge flange base is a circular flange connected to the bridge flange, and the middle part is rotatably mounted with a posture adjustment cylinder for adjusting the posture of the machine body; The machine body includes a fixed cover located at the front side and a round square pipe located at the rear side, the fixed cover is connected to the square pipe mouth end of the round square pipe, the fixed cover is a semi-conical structure and is bilaterally symmetrical, the suction port of the machine body is located at the square pipe mouth of the round square pipe, the interior of the fixed cover is a cavity structure that is conducive to mud flow, the round square pipe is used to suck mud and transport it to the bridge frame mud discharge pipe, and the upper part of the machine body is hinged to the telescopic rod end of the attitude adjustment cylinder; The vertical scraper adjustment cylinder can be rotatably installed on the fixed cover; the top of the vertical scraper is hinged to the telescopic rod end of the vertical scraper adjustment cylinder, the inner side is hinged to the fixed cover, and the outer side is hinged to the inner side of the horizontal scraper; the top of the horizontal scraper is hinged to one end of the connecting rod, and the other end of the connecting rod is hinged to the fixed cover; the vertical scraper adjustment cylinder is telescopic to drive the vertical scraper to rotate and then drive the horizontal scraper to move to adjust the dredging thickness, and the bottom of the horizontal scraper always remains horizontal and parallel to the bottom of the fixed cover in any posture; the vertical scraper adjustment cylinder, the vertical scraper and the horizontal scraper are all arranged in left-right symmetry relative to the fixed cover; The two sides of the round square pipe are provided with tool body connecting ear plates extending toward the bridge flange base side, and the two sides of the lower part of the bridge flange base are provided with bridge flange base connecting ear plates, and the bridge flange base connecting ear plates are hinged with the tool body connecting ear plates; The posture adjustment cylinder is equipped with a displacement sensor 1 for detecting the posture of the machine body, and the two vertical scraper adjustment cylinders are respectively equipped with displacement sensors 2 for detecting the dredging thickness of the machine. The posture adjustment cylinder and the two vertical scraper adjustment cylinders are independently controlled.

2. The environmentally friendly cutter suction dredger scraper type dredging machine according to claim 1 is characterized in that: A grid is provided at the square pipe opening of the round square pipe, and the hole spacing of the grid is smaller than the minimum flow diameter of the mud pump impeller.

3. The environmentally friendly cutter suction dredger scraper type dredging machine according to claim 1 is characterized in that: The circular pipe mouth end of the round square pipe is provided with a mud pipe flange for connecting with the bridge frame mud discharge pipe.

4. The environmentally friendly cutter suction dredger scraper type dredging machine according to claim 3 is characterized in that: The mud pipe flange is connected to the bridge mud discharge pipe through a rubber tube, and the nominal diameter of the mud pipe flange is DN450mm.

5. The environmentally friendly cutter suction dredger scraper type dredging machine according to claim 1 is characterized in that: The thickness of the vertical scraper is 30 mm. When working, one side of the vertical scraper is used to collect the cut soil, and the other side of the vertical scraper is used to adjust the thickness of the cut soil.

6. The environmentally friendly cutter suction dredger scraper type dredging machine according to claim 1 is characterized in that: The thickness of the horizontal scraper is 30 mm. When working, one side of the horizontal scraper is used to cut the soil and ensure the flatness of the cut soil, and the other side of the horizontal scraper is used to adjust the thickness of the cut soil.

7. The environmentally friendly cutter suction dredger scraper type dredging machine according to claim 1 is characterized in that: A horizontal scraper cutting edge is arranged at the inner bottom of the horizontal scraper.

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