Cutting device for reamer head of cutter suction dredger

Abstract

The utility model discloses a cutter head cutting device of a cutter suction dredger, which relates to the technical field of water transportation engineering and comprises a base, a protective cover, a cutting component and a cleaning component. The protective cover is arranged above the base, a rotating shaft is fixedly connected to the top of the protective cover, and filtering holes are formed in the outer surface of the protective cover; the cutting assembly is fixedly arranged at the bottom of the inner wall of the protection cover and used for helping the cutter suction dredger to work. The cleaning assembly is rotationally arranged on the outer surface of the rotating shaft and used for automatically cleaning the outer surface of the protection cover. The reamer is installed through the installation insertion groove in the protection cover, the reamer cuts soil through the reamer arm and the reamer teeth, meanwhile, impurities in the soil are blocked and filtered through the filtering holes in the protection cover, and the reamer can protect the impurities in gaps in the reamer head, so that the situation that the reamer head cannot work due to too many impurities is avoided, and the service life of the reamer head is prolonged. And the shutdown maintenance time of operators is reduced, and convenience is brought to the operators.

Description

Technical Field

[0001] The utility model relates to the technical field of water transport engineering, in particular to a reamer head cutting device for a cutter suction vessel. Background Art

[0002] Cutter suction dredgers, the primary engineering vessels used for nearshore dredging and land reclamation, lack self-propulsion capabilities. However, they utilize a rotating auger at the front of the vessel to loosen soil and sand from the river or seabed. This slurry is then drawn into the pump through a suction pipe and delivered to the discharge area through a discharge pipe. During operation, a cutter suction dredger performs dredging, transporting, and unloading operations in an integrated manner, resulting in high production efficiency. They are suitable for dredging in inland lakes and coastal ports with low waves and currents. They are particularly suited to dredging sand, sandy loam, and silt. Using a toothed auger, they can also dredge clay, but at a lower efficiency.

[0003] In the prior art, the cutter head of a cutter suction dredger is an important tool used in cutter suction dredgers, primarily for scraping and crushing underwater sediments for dredging operations. Announcement No.: CN 220394693 U discloses a cutter head connection structure for a cutter suction dredger. The entire protective mechanism is configured in two sections. The metal ferrule at the bottom is used to protect the cutter head connection seat, and the flexible ferrule is used to protect the connection position of the connecting cutter head from water, thereby facilitating subsequent disassembly. The snap-on magnetic ring is used to snap-on and adsorb with the snap-on slot provided in the connecting cutter head. The flexible sleeve will not fall off unless a reverse force is applied. At the same time, the conical design of the connecting cutter head reduces the impact on the sleeve, ensuring its service life.

[0004] However, when the device is in use, debris such as drainage board waste, branches, and garbage may enter the internal gaps of the cutter head. If the cutter head is not protected during operation, the cutter head may eventually fail to work due to too much debris and may have to be shut down for maintenance.

[0005] Based on this, a cutter head cutting device for a cutter suction vessel is now provided, which can eliminate the disadvantages of the existing devices. Utility Model Content

[0006] The purpose of the utility model is to provide a reamer head cutting device for a cutter suction vessel to solve the problems in the background technology.

[0007] To achieve the above purpose, the present invention provides the following technical solutions:

[0008] A cutter suction vessel reamer head cutting device, comprising: a base;

[0009] The protective cover is arranged above the base, the top of the protective cover is fixedly connected to the rotating shaft, and the outer surface of the protective cover is provided with a filter hole;

[0010] A cutting assembly is fixedly arranged at the bottom of the inner wall of the protective cover and is used to help the cutter suction vessel to work;

[0011] The cleaning component is rotatably arranged on the outer surface of the rotating shaft and is used for automatically cleaning the outer surface of the protective cover.

[0012] On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:

[0013] In an optional solution: the cutting assembly includes a mounting slot, which is fixedly arranged at the bottom of the inner wall of the protective cover, and a large ring is slidably connected to the outer surface of the mounting slot and located on the inner wall of the protective cover, and the top of the large ring is fixedly connected to the reamer body, the outer surface of the reamer body is fixedly connected to the knife arm, and the outer surface of the knife arm is fixedly connected to the knife teeth.

[0014] In an optional solution: the cleaning assembly includes a cleaning bracket, which is rotatably arranged on the outer surface of the rotating shaft, the outer surface of the cleaning bracket is fixedly connected to a cleaning scraper, the inner surface of the cleaning bracket is fixedly connected to a connecting rod, and the left end of the connecting rod is fixedly connected to the outer surface of the base.

[0015] In an optional solution: a driving assembly is fixedly provided at the bottom of the large ring for driving the cleaning assembly to perform automatic cleaning.

[0016] In an optional solution: the drive assembly includes a fixed column, which is fixedly arranged at the bottom of the large ring, the outer surface of the fixed column is rotatably connected to the inner surface of the base, the bottom end of the fixed column is fixedly connected to a mounting plate, the top of the mounting plate and the outer surface of the fixed column are rotatably connected to a first gear, the top of the first gear is fixedly connected to the bottom of the base, the bottom of the mounting plate is fixedly connected to a motor, the output end of the motor passes through the bottom of the mounting plate and extends to the top of the mounting plate, the output end of the motor is fixedly connected to a second gear, and the second gear is meshed with the first gear.

[0017] In an alternative solution, the protective cover is made of steel.

[0018] In an optional solution, the cleaning surface of the cleaning scraper is tightly fitted to the outer surface of the protective cover.

[0019] In an optional solution, a rotating opening adapted to the fixing column is provided inside the base and the first gear.

[0020] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0021] 1. The utility model is installed through the installation slot on the protective cover. The reamer cuts the soil through the knife arm and the knife teeth. At the same time, the filter holes on the protective cover block and filter the debris in the soil. The device can protect the debris in the internal gap of the reamer head, thereby preventing the reamer head from being unable to work due to too much debris, reducing the operator's downtime for maintenance, and bringing convenience to the operator.

[0022] 2. The utility model drives the second gear to rotate by rotating the output end of the motor, the second gear drives the first gear to rotate, and the first gear drives the base to rotate, so that the cleaning scraper on the cleaning bracket cleans along the outer surface of the protective cover and scrapes off the debris attached to the outer surface of the protective cover. The device can automatically clean the protective cover to prevent debris from clogging the filter holes, saving downtime for cleaning and bringing convenience to the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural diagram of the present utility model.

[0024] Figure 2 It is a structural schematic diagram of the protective cover in the utility model.

[0025] Figure 3 It is a schematic cross-sectional structural diagram of the protective cover in the present utility model.

[0026] Figure 4 It is a structural schematic diagram of the cleaning component in the utility model.

[0027] Figure 5 It is a structural diagram of the drive component in the utility model.

[0028] Notes on figure markings: 1. Base; 2. Protective cover; 3. Rotating shaft; 4. Filter hole; 5. Mounting slot; 6. Large ring; 7. Reamer body; 8. Knife arm; 9. Knife teeth; 10. Cleaning bracket; 11. Cleaning scraper; 12. Connecting rod; 13. Fixed column; 14. Mounting plate; 15. First gear; 16. Motor; 17. Second gear. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

[0030] In one embodiment, Figure 1-Figure 5As shown, a reamer head cutting device for a cutter suction ship comprises a base 1, a protective cover 2, a cutting assembly and a cleaning assembly; the protective cover 2 is arranged above the base 1, the top of the protective cover 2 is fixedly connected to a rotating shaft 3, and a filtering hole 4 is opened on the outer surface of the protective cover 2; the cutting assembly is fixedly arranged at the bottom of the inner wall of the protective cover 2, so as to help the cutter suction ship to work; the cleaning assembly is rotatably arranged on the outer surface of the rotating shaft 3, so as to automatically clean the outer surface of the protective cover 2; the protective cover 2 is made of steel, and the steel protective cover has excellent wear resistance, impact resistance and corrosion resistance, and can significantly reduce the damage caused by the reamer head when it directly contacts hard objects such as riverbed and rock, thereby extending the service life of the reamer head, and the setting of the filtering hole 4 is convenient for blocking and filtering debris when the reamer head is working;

[0031] In one embodiment, Figure 2 As shown, the cutting assembly includes a mounting slot 5, which is fixedly arranged at the bottom of the inner wall of the protective cover 2. The outer surface of the mounting slot 5 is slidably connected to a large ring 6 located on the inner wall of the protective cover 2. The top of the large ring 6 is fixedly connected to a reamer body 7. The outer surface of the reamer body 7 is fixedly connected to a knife arm 8. The outer surface of the knife arm 8 is fixedly connected to a knife tooth 9. The setting of the mounting slot 5 facilitates fixing the large ring 6 to the inner wall of the protective cover 2, thereby facilitating the installation of the reamer. The setting of the large ring 6 facilitates supporting the entire reamer structure. The setting of the knife arm 8 and the knife tooth 9 facilitates cutting of the soil.

[0032] In one embodiment, Figure 4 As shown, the cleaning component includes a cleaning bracket 10, which is rotatably arranged on the outer surface of the rotating shaft 3, and the outer surface of the cleaning bracket 10 is fixedly connected to a cleaning scraper 11, and the inner surface of the cleaning bracket 10 is fixedly connected to a connecting rod 12, and the left end of the connecting rod 12 is fixedly connected to the outer surface of the base 1, and a driving component is fixedly arranged at the bottom of the large ring 6 for driving the cleaning component to automatically clean, and the cleaning surface of the cleaning scraper 11 is tightly fitted with the outer surface of the protective cover 2, so that the debris remaining on the outer surface of the protective cover 2 can be quickly cleaned when the cleaning scraper 11 moves. The setting of the cleaning bracket 10 facilitates the installation of the cleaning scraper 11, and the setting of the connecting rod 12 facilitates the connection between the cleaning bracket 10 and the base 1, so as to better rotate.

[0033] In one embodiment, Figure 5As shown, the driving assembly includes a fixed column 13, which is fixedly arranged at the bottom of the large ring 6, and the outer surface of the fixed column 13 is rotatably connected to the inner surface of the base 1, and the bottom end of the fixed column 13 is fixedly connected to a mounting plate 14, and the top of the mounting plate 14 and the outer surface of the fixed column 13 are rotatably connected to a first gear 15, and the top of the first gear 15 is fixedly connected to the bottom of the base 1, and the bottom of the mounting plate 14 is fixedly connected to a motor 16, and the output end of the motor 16 passes through the bottom of the mounting plate 14 and extends to the top of the mounting plate 14, and the output end of the motor 16 is fixedly connected to a second gear 17, and the second gear 17 is meshed with the first gear 15. The interior of the base 1 and the first gear 15 are both provided with a rotating opening adapted to the fixed column 13, which facilitates the rotation of the base 1 and the first gear 15. The setting of the fixed column 13 facilitates the fixing of the large ring 6 to the mounting plate 14, thereby facilitating the rotation of the base 1. The model of the motor 16 is: three-phase asynchronous motor, and it is externally connected to a power supply.

[0034] The above embodiment discloses a reamer head cutting device for a cutter suction ship, wherein the reamer is installed by installing the mounting slot 5 on the inner wall of the protective cover 2, and the reamer cuts the soil through the cutter arm 8 and the cutter teeth 9. The protective cover 2 blocks and filters the debris in the soil through the filter holes 4 opened on its outer surface. The device can protect the debris in the internal gap of the reamer head, thereby preventing the reamer head from being unable to work due to too much debris, reducing the time for the operator to stop work for maintenance, and bringing convenience to the operator. The second gear 17 is driven to rotate by the rotation of the output end of the motor 16, and the second gear 17 drives the first gear 15 to rotate, and the first gear 15 drives the base 1 to rotate, so that the cleaning scraper 11 on the cleaning bracket 10 moves along the outer surface of the protective cover 2, thereby scraping off the debris attached to the outer surface of the protective cover 2. The device can automatically clean the outer surface of the protective cover 2, saving the operator time for cleaning, improving work efficiency, and bringing convenience to the operator.

[0035] The above description is merely a specific embodiment of the present disclosure, but the scope of protection of the present disclosure is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this disclosure should be included in the scope of protection of the present disclosure. Therefore, the scope of protection of the present disclosure should be based on the scope of protection of the claims.

Claims

1. A cutter head cutting device for a cutter suction vessel, comprising: Base (1); A protective cover (2), the protective cover (2) being arranged above the base (1), the top of the protective cover (2) being fixedly connected to a rotating shaft (3), and the outer surface of the protective cover (2) being provided with a filter hole (4); It is characterized in that it also includes a cutting assembly, which is fixedly arranged at the bottom of the inner wall of the protective cover (2) and is used to help the cutter suction boat to work; A cleaning component is rotatably arranged on the outer surface of the rotating shaft (3) and is used for automatically cleaning the outer surface of the protective cover (2).

2. The cutter head cutting device of a cutter suction vessel according to claim 1, characterized in that: The cutting assembly comprises a mounting slot (5), the mounting slot (5) being fixedly arranged at the bottom of the inner wall of the protective cover (2), a large ring (6) being slidably connected to the outer surface of the mounting slot (5) and located on the inner wall of the protective cover (2), a reamer body (7) being fixedly connected to the top of the large ring (6), a knife arm (8) being fixedly connected to the outer surface of the reamer body (7), and a knife tooth (9) being fixedly connected to the outer surface of the knife arm (8).

3. The cutter head cutting device of a cutter suction vessel according to claim 2, characterized in that: The cleaning assembly comprises a cleaning bracket (10), the cleaning bracket (10) being rotatably arranged on the outer surface of the rotating shaft (3), the outer surface of the cleaning bracket (10) being fixedly connected to a cleaning scraper (11), the inner surface of the cleaning bracket (10) being fixedly connected to a connecting rod (12), the left end of the connecting rod (12) being fixedly connected to the outer surface of the base (1).

4. The cutter head cutting device of a cutter suction vessel according to claim 3, characterized in that: A driving assembly is fixedly provided at the bottom of the large ring (6) for driving a cleaning assembly to perform automatic cleaning.

5. The cutter head cutting device of a cutter suction vessel according to claim 4, characterized in that: The driving assembly comprises a fixed column (13), wherein the fixed column (13) is fixedly arranged at the bottom of the large ring (6), the outer surface of the fixed column (13) is rotatably connected to the inner surface of the base (1), the bottom end of the fixed column (13) is fixedly connected to a mounting plate (14), the top of the mounting plate (14) and the outer surface of the fixed column (13) are rotatably connected to a first gear (15), the top of the first gear (15) is fixedly connected to the bottom of the base (1), the bottom of the mounting plate (14) is fixedly connected to a motor (16), the output end of the motor (16) passes through the bottom of the mounting plate (14) and extends to the top of the mounting plate (14), the output end of the motor (16) is fixedly connected to a second gear (17), and the second gear (17) is meshed with the first gear (15).

6. The cutter head cutting device of a cutter suction vessel according to claim 1, characterized in that: The protective cover (2) is made of steel.

7. The cutter head cutting device of a cutter suction vessel according to claim 3, characterized in that: The cleaning surface of the cleaning scraper (11) is tightly fitted to the outer surface of the protective cover (2).

8. The cutter head cutting device of a cutter suction vessel according to claim 5, characterized in that: The base (1) and the first gear (15) are both provided with a rotating opening adapted to the fixed column (13) inside.

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