Full-hydraulic cutter suction dredger
By installing a hydraulically driven folding arm and a hydraulic locking mechanism on the cutter suction dredger, the instability caused by hull vibration and water flow impact is solved, achieving higher stability and convenient assembly and disassembly of the floating seats.
Patent Information
- Application Number
- CN202520357321.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-03-04
AI Technical Summary
Existing cutter suction dredgers are not stable enough during operation due to hull vibration and water flow impact.
A folding arm and a hydraulic locking mechanism driven by a hydraulic cylinder are installed on the hull. The expansion and contraction of the folding arm are controlled by the hydraulic cylinder, and a float is installed at the end of the folding arm. The float is conveniently installed and removed using a locking pin and an internal threaded sleeve.
It improves the stability of dredgers, reduces the impact of hull vibration and water flow, and enhances the stability and convenience of operation.
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Figure CN223675423U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of dredger, concretely is a full hydraulic cutter suction dredger. BACKGROUND
[0002] The cutter suction dredger is widely used in the port construction, the land reclamation and the beach dredging engineering, is responsible for the dredging of waterway and river silt, so that other ships pass through smoothly, and the positioning and walking of the cutter suction dredger are realized by using the trolley installed on the dredger, two steel piles installed on the trolley and the ship body respectively.
[0003] And the existing cutter suction dredger is not stable enough due to large vibration of the ship body and impact of water flow during operation. UTILITY MODEL CONTENT
[0004] The utility model discloses a full hydraulic cutter suction dredger, which solves the problem of the existing cutter suction dredger that is not stable enough due to large vibration of the ship body and impact of water flow during operation.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a full hydraulic cutter suction dredger, comprising a ship body, a folding arm is hinged to the ship body, a hydraulic cylinder one is hinged to the ship body, the telescopic shaft end of the hydraulic cylinder one is hinged to the folding arm, a hydraulic locking mechanism is arranged on the ship body and located at the end of the folding arm, a connecting column is fixedly connected to the bottom of the end of the folding arm, a connecting sleeve is slidably sleeved on the outer side of the connecting column, a floating seat is fixedly connected to the bottom of the connecting sleeve, an internal thread sleeve is threadedly connected to the outer side of the connecting sleeve, a locking pin is slidably connected to the side wall of the connecting sleeve, and the locking pin is arranged through the connecting sleeve, one end of the locking pin is in contact with the internal thread sleeve, and the other end of the locking pin is inserted into the connecting column.
[0006] Preferably, the locking pin is cylindrical, and the two ends are arc ends. The arc ends are inserted into the connecting column.
[0007] Preferably, the inner side bottom of the connecting sleeve is fixedly connected with a positioning block, and the positioning block is clamped with the connecting column. The positioning block is arranged to position the connecting sleeve on the connecting column.
[0008] Preferably, a guide block is fixedly connected to the locking pin, and a guide rod is fixedly connected to the outer side of the connecting sleeve. The guide rod passes through the guide block and is slidably connected to it, and a limit block is fixedly connected to the end of the guide rod. The guide rod and guide block provide guidance for the force-induced expansion and contraction of the locking pin.
[0009] Preferably, a spring is sleeved on the outer side of the guide rod, one end of the spring is fixedly connected to the guide block, and the other end of the spring is fixedly connected to the limiting block. By using the spring, the elastic force can be applied to the locking pin through the guide block.
[0010] Preferably, the hydraulic locking mechanism includes a fixed base fixedly connected to the hull, a second hydraulic cylinder fixedly mounted on the fixed base, a connecting block fixedly connected to the end of the telescopic shaft of the second hydraulic cylinder, a locking sleeve fixedly connected to the connecting block, and the locking sleeve engaging with the folding arm. The hydraulic locking mechanism provides a locking effect after the folding arm is retracted.
[0011] Preferably, a rubber pad is fixedly connected to the mounting base, and the rubber pad abuts against the folding arm. The rubber pad prevents impact between the mounting base and the folding arm.
[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0013] 1. This utility model provides a set of retractable folding arms driven by hydraulic cylinders on the side of the hull, and a float is installed below the end of the folding arm. At the same time, a hydraulic locking mechanism is provided at the end of the folding arm. In this way, after the folding arm is extended, the float can move away from the hull, thereby improving the stability of the hull.
[0014] 2. This utility model provides a connecting post at the end of the folding arm, and the float is fitted onto the connecting post through the connecting sleeve at its upper end. The locking pin is retracted by rotating the inner threaded sleeve of the knob and inserted into the connecting post. In this way, the engagement and disengagement of the locking pin and the connecting post can be controlled by simply rotating the inner threaded sleeve in both directions, thereby facilitating the disassembly and assembly of the float and making it easy to replace later. Attached Figure Description
[0015] Figure 1 This is a three-dimensional view of the overall structure of this utility model;
[0016] Figure 2 For the present utility model Figure 1 A partial structural diagram;
[0017] Figure 3 For the present utility model Figure 1 A partial frontal sectional view;
[0018] Figure 4 For the utility model Figure 3 The partial enlarged view of
[0019] Figure 5 For the utility model Figure 4 The A part structure enlarged view of
[0020] In the drawing: 1, the hull; 2, folding arm; 3, hydraulic cylinder one; 4, hydraulic locking mechanism; 5, connecting column; 6, connecting sleeve; 7, floating seat; 8, positioning block; 9, internal thread sleeve; 10, locking pin; 11, guide block; 12, guide rod; 13, spring; 14, limit block; 41, fixed seat; 42, hydraulic cylinder two; 43, connecting block; 44, lock sleeve; 45, rubber pad. DETAILED DESCRIPTION
[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] Please refer to Figures 1-5 A full hydraulic cutter suction dredger, including hull 1, the folding arm 2 is hinged on the hull 1, the hydraulic cylinder one 3 is hinged on the hull 1, the telescopic shaft end of hydraulic cylinder one 3 is hinged with folding arm 2, the bottom of the end of folding arm 2 is fixedly connected with connecting column 5, the outer side of connecting column 5 is slidably sleeved with connecting sleeve 6, the bottom of connecting sleeve 6 is fixedly connected with floating seat 7, the outer side of connecting sleeve 6 is connected with internal thread sleeve 9 by screwing, locking pin 10 is slidably connected in the side wall of connecting sleeve 6, and locking pin 10 is arranged through connecting sleeve 6, one end of locking pin 10 is in contact with internal thread sleeve 9, the other end of locking pin 10 is inserted with connecting column 5. Locking pin 10 is cylindrical, and both ends are arc ends. By the setting of arc end, it is convenient to insert into connecting column 5.
[0023] Please refer to Figure 5The inner bottom of the connecting sleeve 6 is fixedly connected with a positioning block 8, and the positioning block 8 is clamped with the connecting column 5. The positioning block 8 has a positioning effect on the sleeving position of the connecting sleeve 6 on the connecting column 5. The locking pin 10 is fixedly connected with a guide block 11, and the outer side of the connecting sleeve 6 is fixedly connected with a guide rod 12, the guide rod 12 penetrates through the guide block 11 and is slidably connected with the guide block 11, and the tail end of the guide rod 12 is fixedly connected with a limiting block 14. The guide rod 12 and the guide block 11 have a guiding effect on the stress expansion of the locking pin 10. The outer side of the rod body of the guide rod 12 is sleeved with a spring 13, one end of the spring 13 is fixedly connected with the guide block 11, and the other end of the spring 13 is fixedly connected with the limiting block 14. The spring 13 can apply the elastic force to the locking pin 10 through the guide block 11.
[0024] Please refer to Figures 1-4 The hydraulic locking mechanism 4 is arranged on the ship body 1 and at the tail end of the folding arm 2. The hydraulic locking mechanism 4 has a locking effect on the folding arm 2 after being recovered. The hydraulic locking mechanism 4 comprises a fixed seat 41 fixedly connected to the ship body 1, a hydraulic cylinder two 42 fixedly installed on the fixed seat 41, a connecting block 43 fixedly connected to the tail end of the hydraulic cylinder two 42, a lock sleeve 44 fixedly connected to the connecting block 43, and the lock sleeve 44 is clamped with the folding arm 2. The fixed seat 41 is fixedly connected with a rubber pad 45, and the rubber pad 45 is in contact with the folding arm 2. The rubber pad 45 can prevent the impact between the fixed seat 41 and the folding arm 2.
[0025] The specific implementation process of the utility model is as follows: in use, when the ship body 1 drives to the predetermined operation position, the hydraulic cylinder two 42 pushes the connecting block 43 to move, so that the lock sleeve 44 on the connecting block 43 is separated from the folding arm 2, thereby releasing the restriction of the folding arm 2, then the folding arm 2 is unfolded by the hydraulic cylinder one 3, the floating seat 7 can be moved away from the ship body 1, thereby the stability of the ship body 1 can be improved, and in the later period, if the floating seat 7 needs to be replaced or overhauled, only the inner thread sleeve 9 needs to be reversed to separate from the locking pin 10, the locking pin 10 is reset under the action of the spring two 13 and is separated from the connecting column 5, thereby releasing the restriction of the connecting sleeve 6, and then the connecting sleeve 6 and the floating seat 7 can be taken off together.
[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A fully hydraulic cutter suction dredger comprising a hull (1), characterized in that: The hull (1) is hinged with a folding arm (2), the hull (1) is hinged with a hydraulic cylinder (3), the telescopic shaft end of the hydraulic cylinder (3) is hinged with the folding arm (2), the hull (1) is provided with a hydraulic locking mechanism (4) at the end of the folding arm (2), the end of the folding arm (2) is fixedly connected with a connecting column (5), the outer side of the connecting column (5) is sleeved with a connecting sleeve (6), the bottom of the connecting sleeve (6) is fixedly connected with a floating seat (7), the outer side of the connecting sleeve (6) is connected with a threaded sleeve (9) through threads, the side wall of the connecting sleeve (6) is slidably connected with a locking pin (10), and the locking pin (10) penetrates the connecting sleeve (6), one end of the locking pin (10) abuts against the threaded sleeve (9), and the other end of the locking pin (10) is inserted into the connecting column (5).
2. A fully hydraulic cutter suction dredger according to claim 1, characterized in that: The locking pin (10) is cylindrical, and the two ends are arc ends.
3. A fully hydraulic cutter suction dredger according to claim 1, characterized in that: The inner side of the connecting sleeve (6) is fixedly connected with a positioning block (8), and the positioning block (8) is clamped with the connecting column (5).
4. A fully hydraulic cutter suction dredger according to claim 1, characterized in that: The locking pin (10) is fixedly connected with a guide block (11), the outer side of the connecting sleeve (6) is fixedly connected with a guide rod (12), the guide rod (12) penetrates the guide block (11) and is slidably connected with the guide block (11), and the end of the guide rod (12) is fixedly connected with a limiting block (14).
5. A fully hydraulic cutter suction dredger according to claim 4, characterized in that: The outer side of the rod body of the guide rod (12) is sleeved with a spring (13), one end of the spring (13) is fixedly connected with the guide block (11), and the other end of the spring (13) is fixedly connected with the limiting block (14).
6. A fully hydraulic cutter suction dredger according to claim 1, characterized in that: The hydraulic locking mechanism (4) comprises a fixed seat (41) fixedly connected to the hull (1), a hydraulic cylinder (42) fixedly installed on the fixed seat (41), a connecting block (43) fixedly connected to the telescopic shaft end of the hydraulic cylinder (42), a lock sleeve (44) fixedly connected to the connecting block (43), and the lock sleeve (44) is clamped with the folding arm (2).
7. A fully hydraulic cutter suction dredger according to claim 6, characterized in that: The fixed seat (41) is fixedly connected with a rubber pad (45), and the rubber pad (45) abuts against the folding arm (2).
Citation Information
Patent Citations
A cutter suction dredger
CN117266285B