Hull connecting device for dredger

Abstract

The invention relates to the technical field of ships, and provides a hull connecting device for a dredger, which comprises two connected first fixing mechanisms and two connected second fixing mechanisms, and the middle parts of the two first fixing mechanisms and the two second fixing mechanisms are fixedly connected with a connecting mechanism; the first fixing mechanism comprises a first connecting frame, a second connecting frame, a third connecting frame, a fourth connecting frame, two first hinge frames and two fixing blocks, wherein the first connecting frame and the second connecting frame are fixedly connected. The two first fixing mechanisms and the two second fixing mechanisms are fixed to decks of the two dredgers correspondingly, the two dredgers are connected and fixed, the distance between the upper layers of the first fixing mechanisms and the distance between the lower layers of the second fixing mechanisms are reduced through second electric push rods and fifth electric push rods, and therefore the dredger bodies can be fixed; and the two first fixing mechanisms and the two second fixing mechanisms which are connected are fixed through the connecting mechanism, and the connecting mechanism provides counterbalance bending force and torsion force and has excellent stability.

Description

Technical Field

[0001] The present invention relates to the technical field of ships, and in particular to a hull connecting device for a dredging ship. Background Art

[0002] The hull of a dredger has the characteristics of tight connection, solid structure and strong carrying capacity. In order to increase the operating area of ​​the dredger, the dredgers need to be operated in parallel. However, the existing joint operation of dredgers has certain limitations. When in use, it is restricted by factors such as the ship's own factors and the buoyancy of the water body. It is impossible to ensure the stable connection of the two dredgers to form an equivalent parallel mid-body to reduce wave-making resistance and expand its operating range.

[0003] In order to complete the connection of the two dredgers, a hull coupling device is used to complete the initial connection of the two dredgers. However, the docking of the ship greatly relies on the operator's skills and experience, the aiming accuracy is low, and the entire working process still requires a lot of manual operations, and the degree of automation is low.

[0004] Therefore, we make improvements to this and propose a hull connection device for a dredger. Summary of the invention

[0005] The object of the present invention is to provide a hull connection device for a dredger to solve the problems raised in the above background technology.

[0006] In order to achieve the above-mentioned invention objectives, the present invention provides a hull connection device for a dredger, comprising two connected first fixing mechanisms and two connected second fixing mechanisms, the middle parts of the two first fixing mechanisms and the two second fixing mechanisms are fixedly connected with a connection mechanism, the first fixing mechanism comprises a fixedly connected first connecting frame and a second connecting frame, a third connecting frame and a fourth connecting frame, and two first articulated frames and two fixed blocks, the first articulated frame is connected to the second fixing mechanism, the second fixing mechanism comprises a sixth connecting frame, a seventh connecting frame, an eighth connecting frame and a ninth connecting frame, the front ends of the first fixing mechanism and the second fixing mechanism are hingedly installed, the rear ends of the first fixing mechanism and the second fixing mechanism are connected with a hydraulic push rod, the outer sides of the two first fixing mechanisms are fixedly installed with a floating platform, and the rear end of the first fixing mechanism is fixedly installed with a traction mechanism.

[0007] As a further solution of the present invention, the first connecting frame and the second connecting frame overlap up and down, and the third connecting frame and the fourth connecting frame overlap up and down, and the first connecting frame and the second connecting frame, the third connecting frame and the fourth connecting frame are all L-shaped, and a third electric push rod is connected between the fixed block and the first connecting frame, between the fixed block and the third connecting frame, between the first articulated frame and the second connecting frame, and between the first articulated frame and the fourth connecting frame. A plurality of second electric push rods are connected between the first connecting frame and the second connecting frame, and between the third connecting frame and the fourth connecting frame. A first electric push rod is connected between the first connecting frame and the third connecting frame, and between the second connecting frame and the fourth connecting frame. A first bolt is installed on one side of the fourth connecting frame and the first articulated frame, and a second bolt is fixedly connected to the upper end surface of the third connecting frame, and the second bolt is fixedly installed to the connecting mechanism.

[0008] As a further scheme of the present invention, the fifth electric push rod is fixedly connected in the middle of the sixth connecting frame and the seventh connecting frame, the eighth connecting frame and the ninth connecting frame, the fourth electric push rod is fixedly connected in the middle of the sixth connecting frame and the eighth connecting frame, the seventh connecting frame and the ninth connecting frame, the tail ends of the sixth connecting frame and the eighth connecting frame are fixedly connected to a fixing frame, a positioning hole is opened in the middle of the fixing frame, the tail end of the fixing frame is fixedly connected to a third articulated frame, the positioning hole is threadedly connected to the first bolt, the third articulated frame is articulated to the hydraulic push rod, the tail ends of the seventh connecting frame and the ninth connecting frame are connected to a second articulated frame, and the second articulated frame is articulated to the first articulated frame.

[0009] As a further solution of the present invention, the traction mechanism includes a winch and several positioning rings, the winch and the positioning rings are fixedly connected to the first fixing mechanism, a ship chain is wound inside the winch, the middle part of the ship chain is passed through the inside of the positioning ring, and the top of the ship chain is fixedly connected to a ship hook.

[0010] As a further solution of the present invention, the connecting mechanism includes two first connecting seats and two second connecting seats, the upper end of the first connecting seat is fixedly installed with a third bolt, the first connecting seat and the second connecting seat are fixedly connected by the third bolt, a sixth electric push rod is fixedly connected in the middle of the two first connecting seats, and a number of docking components are connected to the two second connecting seats.

[0011] As a further solution of the present invention, the number of the traction mechanisms is two, and the two traction mechanisms are symmetrically fixedly mounted on the upper ends of the first connecting frame and the second connecting frame.

[0012] As a further solution of the present invention, the fixing frame is a T-shaped profile, and a T-shaped groove is opened on the outward side of the second connecting seat, the second connecting seat is sleeved and fixed to the fixing frame, and the inner side of the second connecting seat is fixedly connected with a connecting ear and a mounting hole.

[0013] As a further solution of the present invention, the docking assembly is A-shaped as a whole, and includes two swing arms. The bottom ends of the two swing arms are connected to the seventh electric push rod, the top ends of the two swing arms are connected to connecting plates, and the bottom ends of the two swing arms are fixedly installed with pins, which are hinged on the connecting ears.

[0014] The hull connection device for a dredger provided by the present invention has the following beneficial effects: 1. By setting up a first fixing mechanism and a second fixing mechanism in upper and lower layers, the two first fixing mechanisms and the two second fixing mechanisms are respectively fixed on the decks of two dredgers, and the two dredgers are connected and fixed. The distance between the upper and lower layers of the first fixing mechanism and the second fixing mechanism is tightened by the second electric push rod and the fifth electric push rod, so that the hull can be fixed, and the two connected first fixing mechanisms and the two second fixing mechanisms are fixed by a connecting mechanism, which provides resistance to bending force and torsion and excellent stability.

[0015] 2. Two traction mechanisms are fixedly installed on both sides of the tail end of the first fixing mechanism, the dredger is fixed by a ship hook, and the dredger is towed by winding the ship chain with a winch, so that the dredger is driven to move inside the first fixing mechanism, the dredger is positioned and aligned with the hull connection device, the connection accuracy and connection efficiency between the hull connection device and the dredger are increased, and the hulls of the dredgers are quickly connected.

[0016] 3. By hingedly connecting the first fixing mechanism and the second fixing mechanism, the second fixing mechanism can be rotated at the hinge of the first hinge frame and the second hinge frame under the push and pull of the hydraulic push rod, and the front end of the second fixing mechanism is squeezed and flipped toward the bottom of the water, leaving the ship entry position of the first fixing mechanism and the second fixing mechanism, so as to facilitate the installation of the dredger and the hull connection device, and after the second fixing mechanism is laid flat, the front end of the dredger is limited to ensure the stable connection between the dredger and the hull connection device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 A schematic structural diagram of a hull connection device for a dredger provided in the present application; Figure 2 A schematic diagram of a folded state of a hull connection device for a dredger provided in the present application; Figure 3 A schematic diagram of a flattened state of a hull connection device for a dredger provided in the present application; Figure 4 A schematic diagram of the structure of a first fixing mechanism of a hull connection device for a dredger provided in the present application; Figure 5 A schematic diagram of the structure of a second fixing mechanism of a hull connection device for a dredger provided in the present application; Figure 6 A schematic diagram of the structure of a traction mechanism of a hull coupling device for a dredger provided in the present application; Figure 7 A schematic diagram of the structure of a coupling mechanism of a hull coupling device for a dredger provided in the present application; Figure 8 A schematic diagram of the docking assembly structure of a hull connection device for a dredger provided in the present application.

[0019] In the figure: 1, first fixing mechanism; 11, first connecting frame; 12, second connecting frame; 13, third connecting frame; 14, fourth connecting frame; 15, first hinged frame; 16, fixing block; 17, first electric push rod; 18, second electric push rod; 19, third electric push rod; 110, first bolt; 111, second bolt; 2, second fixing mechanism; 21, sixth connecting frame; 22, seventh connecting frame; 23, eighth connecting frame; 24, ninth connecting frame; 25, fixing frame; 26, fourth electric push rod; 27, The fifth electric push rod; 28, the second articulated frame; 29, the positioning hole; 210, the third articulated frame; 3, the floating platform; 4, the hydraulic push rod; 5, the traction mechanism; 51, the winch; 52, the positioning ring; 53, the ship chain; 54, the ship hook; 6, the connecting mechanism; 61, the first connecting seat; 62, the sixth electric push rod; 63, the third bolt; 64, the second connecting seat; 65, the connecting ear; 66, the mounting hole; 67, the docking assembly; 671, the swing arm; 672, the latch; 673, the connecting piece; 674, the seventh electric push rod. DETAILED DESCRIPTION

[0020] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples of the specification. The following examples are only used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0021] like Figure 1-Figure 8As shown, the present embodiment proposes a hull connection device for a dredger, comprising two connected first fixing mechanisms 1 and two connected second fixing mechanisms 2, a connecting mechanism 6 is fixedly connected to the middle parts of the two first fixing mechanisms 1 and the two second fixing mechanisms 2, the first fixing mechanism 1 comprises a first connecting frame 11 and a second connecting frame 12, a third connecting frame 13 and a fourth connecting frame 14, two first articulated frames 15 and two fixed blocks 16, the first articulated frame 15 is connected to the second fixing mechanism 2, the second fixing mechanism 2 comprises a sixth connecting frame 21, a seventh connecting frame 22, an eighth connecting frame 23 and a ninth connecting frame 24, the front ends of the first fixing mechanism 1 and the second fixing mechanism 2 are hingedly installed, the rear ends of the first fixing mechanism 1 and the second fixing mechanism 2 are connected to a hydraulic push rod 4, the outer sides of the two first fixing mechanisms 1 are fixedly installed with a floating platform 3, and the rear end of the first fixing mechanism 1 is fixedly installed with a traction mechanism 5.

[0022] The first connecting frame 11 and the second connecting frame 12 overlap up and down, the third connecting frame 13 and the fourth connecting frame 14 overlap up and down, the first connecting frame 11 and the second connecting frame 12, the third connecting frame 13 and the fourth connecting frame 14 are all L-shaped, and a third electric push rod 19 is connected between the fixed block 16 and the first connecting frame 11, between the fixed block 16 and the third connecting frame 13, between the first articulated frame 15 and the second connecting frame 12, and between the first articulated frame 15 and the fourth connecting frame 14. A second electric push rod 18 is provided, a first electric push rod 17 is connected in the middle of the first connecting frame 11 and the third connecting frame 13, the second connecting frame 12 and the fourth connecting frame 14, a first bolt 110 is installed on one side of the fourth connecting frame 14 and the first articulated frame 15, a second bolt 111 is fixedly connected to the upper end surface of the third connecting frame 13, and the second bolt 111 is fixedly installed with the connecting mechanism 6, and the stern position of the hull is clamped and fixed by arranging the first connecting frame 11 and the second connecting frame 12, the third connecting frame 13 and the fourth connecting frame 14, and close to the hull to ensure the stability of the hull after connection.

[0023] The sixth connecting frame 21 and the seventh connecting frame 22, the eighth connecting frame 23 and the ninth connecting frame 24 are all fixedly connected with the fifth electric push rod 27 in the middle, the sixth connecting frame 21 and the eighth connecting frame 23, the seventh connecting frame 22 and the ninth connecting frame 24 are all fixedly connected with the fourth electric push rod 26 in the middle, the tail ends of the sixth connecting frame 21 and the eighth connecting frame 23 are all fixedly connected with the fixing frame 25, the middle part of the fixing frame 25 is provided with a positioning hole 29, the tail end of the fixing frame 25 is fixedly connected with the third articulated frame 210, the positioning hole 29 is threadedly connected with the first bolt 110, and the third articulated frame 210 is fixedly connected with the third articulated frame 210. The three articulated frames 210 are articulated with the hydraulic push rod 4, and the tail ends of the seventh connecting frame 22 and the ninth connecting frame 24 are connected with the second articulated frame 28, and the second articulated frame 28 is articulated with the first articulated frame 15. By arranging the sixth connecting frame 21 and the seventh connecting frame 22, the eighth connecting frame 23 and the ninth connecting frame 24, the bow position of the hull is clamped and fixed, and is close to the hull to ensure the stability of the hull after connection, and the upside-down flipping of the second fixing mechanism 2 facilitates the hull to dock inside the first fixing mechanism 1 and the second fixing mechanism 2, so as to facilitate the connection between the hulls.

[0024] The traction mechanism 5 includes a winch 51 and a plurality of positioning rings 52, the winch 51 and the positioning rings 52 are both fixedly connected to the first fixing mechanism 1, a ship chain 53 is wound inside the winch 51, the middle part of the ship chain 53 is passed through the inside of the positioning ring 52, and a ship hook 54 is fixedly connected to the top of the ship chain 53, the traction mechanism 5 is fixedly installed at the position of the first fixing mechanism 1, the hull is fixed by the ship hook 54, and the hull is dragged to the middle part of the first fixing mechanism 1 for docking, thereby increasing the accuracy of the hull connection and improving the hull connection efficiency.

[0025] The connecting mechanism 6 includes two first connecting seats 61 and two second connecting seats 64. A third bolt 63 is fixedly installed on the upper end of the first connecting seat 61. The first connecting seat 61 and the second connecting seat 64 are fixedly connected by the third bolt 63. A sixth electric push rod 62 is fixedly connected in the middle of the two first connecting seats 61. A plurality of docking assemblies 67 are connected to the two second connecting seats 64. The first fixing mechanism 1 and the second fixing mechanism 2 fixed on the outside of the two hulls are connected through the connecting mechanism 6, and the first fixing mechanism 1 and the second fixing mechanism 2 are fixed to realize the connection between the hulls.

[0026] There are two traction mechanisms 5, which are symmetrically fixedly mounted on the upper ends of the first connecting frame 11 and the second connecting frame 12. The two traction mechanisms 5 respectively pull both sides of the hull to ensure the driving angle of the hull and improve the connection accuracy of the hull.

[0027] The fixing frame 25 is a T-shaped profile, and a T-shaped groove is opened on the outward side of the second connecting seat 64. The second connecting seat 64 is sleeved and fixed to the fixing frame 25. The inner side of the second connecting seat 64 is fixedly connected with a connecting ear 65 and a mounting hole 66. The second connecting seat 64 is connected to the second fixing mechanism 2. On the premise that the two second fixing mechanisms 2 are fixed, the second fixing mechanism 2 is flipped over together with the second fixing mechanism 2 to determine the distance between the two connected hulls.

[0028] The docking assembly 67 is A-shaped as a whole, and includes two swing arms 671. The bottom ends of the two swing arms 671 are connected to the seventh electric push rod 674, and the top ends of the two swing arms 671 are connected to the connecting piece 673. The bottom ends of the two swing arms 671 are fixedly installed with a pin 672, and the pin 672 is hinged on the connecting ear 65. The swing arms 671 are opened and closed by the extension and retraction of the sixth electric push rod 62 and the seventh electric push rod 674, so as to control the overall width of the connecting mechanism 6 and adjust the distance between the two connected hulls.

[0029] Specifically, when the hull connection device for a dredger is in use: the second fixing mechanism 2 is rotated at the hinge of the first articulated frame 15 and the second articulated frame 28 under the push and pull of the hydraulic push rod 4, the front end of the second fixing mechanism 2 is pressed and flipped toward the bottom of the water, and the entry position of the first fixing mechanism 1 and the second fixing mechanism 2 is reserved, the ship hook 54 is at the stern of the dredger, and the winch 51 winds up the ship chain 53 to pull the dredger toward the inside of the first fixing mechanism 1, so that the dredger is positioned and aligned with the hull connection device, and the upper and lower first fixing mechanisms 1 and the second fixing mechanisms 2 are respectively fixed on the decks of the two dredgers, and the two dredgers are connected. The connection and fixation are carried out to provide the two connected hulls with resistance to bending and torsion as well as excellent stability. The dredger and the hull connection device are installed, and the second fixing mechanism 2 is laid flat to limit the front end of the dredger to make the connection between the dredger and the hull connection device stable. The first electric push rod 17, the second electric push rod 18, the third electric push rod 19, the fourth electric push rod 26, the fifth electric push rod 27, the sixth electric push rod 62, and the seventh electric push rod 674 are all electric ship electric push rods with corrosion resistance and are suitable for long-term use on the hull surface. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0030] The above embodiments are only used to illustrate the present invention, but not to limit the present invention. Although the present invention is described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalent substitutions of the technical solutions of the present invention do not depart from the spirit and scope of the technical solutions of the present invention, and should be included in the scope of the claims of the present invention.

Claims

1. A hull connection device for a dredger, comprising two connected first fixing mechanisms (1) and two connected second fixing mechanisms (2), characterized in that: A connecting mechanism (6) is fixedly connected at the middle of the two first fixing mechanisms (1) and the two second fixing mechanisms (2); the first fixing mechanism (1) comprises a first connecting frame (11) and a second connecting frame (12), a third connecting frame (13) and a fourth connecting frame (14) which are fixedly connected, two first articulated frames (15) and two fixing blocks (16); the first articulated frame (15) is connected to the second fixing mechanism (2); the second fixing mechanism (2) comprises a sixth connecting frame (21), a seventh connecting frame (22), an eighth connecting frame (23) and a ninth connecting frame (24); the front ends of the first fixing mechanism (1) and the second fixing mechanism (2) are hingedly mounted; the rear ends of the first fixing mechanism (1) and the second fixing mechanism (2) are connected to a hydraulic push rod (4); floating platforms (3) are fixedly mounted on the outer sides of the two first fixing mechanisms (1); and a traction mechanism (5) is fixedly mounted on the rear ends of the first fixing mechanism (1).

2. A hull connection device for a dredger according to claim 1, characterized in that: The first connecting frame (11) and the second connecting frame (12) overlap each other vertically, and the third connecting frame (13) and the fourth connecting frame (14) overlap each other vertically. The first connecting frame (11) and the second connecting frame (12), the third connecting frame (13) and the fourth connecting frame (14) are all L-shaped. A third electric push rod (19) is connected between the fixing block (16) and the first connecting frame (11), between the fixing block (16) and the third connecting frame (13), between the first articulated frame (15) and the second connecting frame (12), and between the first articulated frame (15) and the fourth connecting frame (14). The first connecting frame A plurality of second electric push rods (18) are connected between the middle of the first connecting frame (11) and the third connecting frame (13) and the fourth connecting frame (14); a first electric push rod (17) is connected between the middle of the first connecting frame (11) and the third connecting frame (13) and the second connecting frame (12) and the fourth connecting frame (14); a first bolt (110) is installed on one side of the fourth connecting frame (14) and the first articulated frame (15); a second bolt (111) is fixedly connected to the upper end surface of the third connecting frame (13); and the second bolt (111) is fixedly installed with the connecting mechanism (6).

3. A hull connection device for a dredger according to claim 2, characterized in that: A fifth electric push rod (27) is fixedly connected in the middle of the sixth connecting frame (21) and the seventh connecting frame (22), the eighth connecting frame (23) and the ninth connecting frame (24); a fourth electric push rod (26) is fixedly connected in the middle of the sixth connecting frame (21) and the eighth connecting frame (23), the seventh connecting frame (22) and the ninth connecting frame (24); and a fixing frame (25) is fixedly connected at the rear ends of the sixth connecting frame (21) and the eighth connecting frame (23). A positioning hole (29) is provided in the middle of the fixing frame (25); a third articulated frame (210) is fixedly connected to the rear end of the fixing frame (25); the positioning hole (29) is threadedly connected to the first bolt (110); the third articulated frame (210) is articulated to the hydraulic push rod (4); the rear ends of the seventh connecting frame (22) and the ninth connecting frame (24) are both connected to a second articulated frame (28); and the second articulated frame (28) is articulated to the first articulated frame (15).

4. A hull connection device for a dredger according to claim 1, characterized in that: The traction mechanism (5) comprises a winch (51) and a plurality of positioning rings (52), the winch (51) and the positioning rings (52) being fixedly connected to the first fixing mechanism (1), a ship chain (53) being wound inside the winch (51), a middle portion of the ship chain (53) being passed through the interior of the positioning ring (52), and a ship hook (54) being fixedly connected to the top end of the ship chain (53).

5. A hull connection device for a dredger according to claim 3, characterized in that: The connection mechanism (6) comprises two first connection seats (61) and two second connection seats (64); a third bolt (63) is fixedly mounted on the upper end of the first connection seat (61); the first connection seat (61) and the second connection seat (64) are fixedly connected via the third bolt (63); a sixth electric push rod (62) is fixedly connected between the two first connection seats (61); and a plurality of docking assemblies (67) are connected to the two second connection seats (64).

6. A hull connection device for a dredger according to claim 4, characterized in that: The number of the traction mechanisms (5) is two, and the two traction mechanisms (5) are symmetrically fixedly mounted on the upper ends of the first connecting frame (11) and the second connecting frame (12).

7. A hull connection device for a dredger according to claim 5, characterized in that: The fixing frame (25) is a T-shaped profile, and a T-shaped groove is provided on an outward side of the second connecting seat (64). The second connecting seat (64) is sleeved and fixed to the fixing frame (25), and a connecting ear (65) and a mounting hole (66) are fixedly connected to the inner side of the second connecting seat (64).

8. A hull connection device for a dredger according to claim 5, characterized in that: The docking assembly (67) is in an A-shape as a whole, and comprises two swing arms (671), the bottom ends of the two swing arms (671) are connected to a seventh electric push rod (674), the top ends of the two swing arms (671) are connected to a connecting piece (673), and the bottom ends of the two swing arms (671) are fixedly mounted with a latch (672), and the latch (672) is hinged to the connecting ear (65).

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