Gun array releasing frame

Abstract

The utility model discloses a gun array releasing frame which comprises a first swing arm, a second swing arm, a first driving device, a second driving device and a winch assembly. The bottom end of the first swing arm is rotationally connected with a deck of a ship, the top end of the first swing arm is rotationally connected with the second swing arm, and the first swing arm and the second swing arm swing in a vertical plane. The first driving device drives the first swinging arm to swing; the second driving device is mounted on the first swinging arm and drives the second swinging arm to swing; the winch assembly is used for lifting and lowering the detection equipment. The second driving device is installed on the first swing arm and drives the second swing arm to swing around the top end of the first swing arm, the length of the portion, extending out of a ship deck, of the winch assembly is increased, and therefore the height of the A-shaped frame is reduced, and the pitching angle of the first swing arm is reduced; the air gun source array is lifted and lowered through the winch assembly, and releasing and recycling of long detection equipment such as the air gun source array are completed.

Description

Technical Field

[0001] The utility model relates to the technical field of release and recovery of ocean detection equipment, in particular to a gun array release rack. Background Art

[0002] The release and recovery of traditional underwater test equipment mainly utilizes forms such as A-frames, overhead cranes, and cranes.

[0003] The Chinese patent with publication number CN207581227U discloses a system for releasing and retracting underwater equipment on a ship, including components such as a sliding guide rail, a base, a fixed bracket, an A-frame, a fixed pulley block, a winch, a guide pulley and a wire rope. The sliding guide rail is fixed to the deck by bolts, and the base is installed on the sliding guide rail to provide equipment support function; the fixed bracket is installed with a fixed pulley block, which is powered by the winch, and the wire rope bypasses the fixed pulley block to drive the A-frame to do a pitching action; the sliding guide rail and the base are installed with a linear motor module, which can drive the retracting and retracting equipment to move forward and backward, thereby increasing the scope of application of the equipment. The device realizes the release and recovery of underwater test equipment by making the A-frame do a pitching action, and adapts to the release and recovery of longer underwater test equipment by sliding on the sliding guide rail. However, for a very long airgun source array, it is necessary to increase the height and pitch angle of the A-frame to avoid collision between the airgun source array and the ship, so as to meet the release and recovery of the airgun source array.

[0004] Therefore, when the traditional A-frame is used to release and recover the airgun source array, there are problems such as the A-frame being relatively high and having a relatively large pitch angle. Utility Model Content

[0005] The utility model provides a gun array release frame to solve the technical problems that the traditional A-type frame has a high height and a large pitch angle when the A-type frame is used for releasing and recovering an air gun source array.

[0006] In order to achieve the above purpose, the technical solution of the utility model is:

[0007] A gun array release frame comprises: a first swing arm, a second swing arm, a first drive device, a second drive device and a winch assembly; the bottom end of the first swing arm is rotatably connected to the deck of a ship, the top end is rotatably connected to the second swing arm, and both the first swing arm and the second swing arm swing in a vertical plane; the first drive device drives the first swing arm to swing; the second drive device is installed on the first swing arm and drives the second swing arm to swing; the winch assembly is used for lifting and lowering detection equipment.

[0008] Furthermore, the first driving device includes a first hydraulic cylinder, the bottom end of the first hydraulic cylinder is rotatably connected to the deck of the ship, the top end is rotatably connected to the first swing arm, and there is a preset distance between the bottom end of the first hydraulic cylinder and the bottom end of the first swing arm.

[0009] Furthermore, the bottom end of the first swing arm is arranged at the edge of the ship deck, and the bottom end of the first hydraulic cylinder is arranged at a position away from the edge of the ship deck.

[0010] Furthermore, the second driving device includes: a second hydraulic cylinder, a connecting rod and a rocker arm; one end of the second hydraulic cylinder is rotationally connected to the first swing arm, and the other end is rotationally connected to the connecting rod; the end of the connecting rod away from the second hydraulic cylinder is rotationally connected to the second swing arm; one end of the rocker arm is rotationally connected to the first swing arm, and the other end is rotationally connected to the connecting rod, and the rotation axis of the rocker arm relative to the first swing arm and the rotation axis of the second hydraulic cylinder relative to the first swing arm have a preset distance, and the rotation axis of the rocker arm relative to the connecting rod is located between the rotation axis of the connecting rod relative to the second hydraulic cylinder and the rotation axis of the connecting rod relative to the second swing arm.

[0011] Furthermore, the rotation axis of the rocker relative to the connecting rod, the rotation axis of the connecting rod relative to the second hydraulic cylinder, and the rotation axis of the connecting rod relative to the second swing arm are arranged in a triangle.

[0012] Furthermore, the distance between the rocker arm and the connecting rod and the second hydraulic cylinder is smaller than the distance between the rocker arm and the connecting rod and the second swing arm.

[0013] Furthermore, there are two first swing arms, which are arranged opposite to each other, each first swing arm corresponds to a first driving device, and the two first driving devices drive the two first swing arms to swing synchronously; there are two second swing arms, which are arranged opposite to each other, each second swing arm corresponds to a second driving device, and the two second driving devices drive the two second swing arms to swing synchronously; a crossbeam is rotatably connected between the two second swing arms, and the winch assembly is installed on the crossbeam.

[0014] Furthermore, the winch assembly includes: a connecting seat, a drum, a winch, a steel cable and a hook; the connecting seat is detachably fixed to the crossbeam, the drum and the winch are installed on the connecting seat, the winch drives the drum to rotate, the steel cable is wound around the drum, and the end of the steel cable is connected to the hook.

[0015] Furthermore, a fixing seat is fixed on the crossbeam, and the connecting seat is detachably connected to the fixing seat via a set of bolts.

[0016] Beneficial effects:

[0017] A gun array release frame disclosed in the present application is equipped with a second drive device on a first swing arm, and the second drive device drives the second swing arm to swing around the top end of the first swing arm, thereby increasing the length of the winch assembly cantilevered out of the ship deck, thereby lowering the height of the A-frame and reducing the pitch angle of the first swing arm; the air gun source array is lifted and lowered by the winch assembly, thereby completing the release and recovery of a longer detection device such as the air gun source array. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model 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 some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0019] Figure 1 It is a side schematic diagram of a gun array release frame in an inboard hoisting state disclosed in the utility model;

[0020] Figure 2 It is a side schematic diagram of a gun array release frame in an outboard hoisting state disclosed in the utility model;

[0021] Figure 3 The utility model discloses a front view of a gun array release frame.

[0022] 1. First swing arm; 2. Second swing arm; 31. First hydraulic cylinder; 41. Second hydraulic cylinder; 42. Connecting rod; 43. Rocker; 5. Crossbeam; 51. Fixed seat; 61. Connecting seat; 62. Drum; 63. Winch; 64. Steel cable; 65. Hook; 7. Ship. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] A gun array release rack, combined with Figure 1 , Figure 2 and Figure 3As shown, it includes: a first swing arm 1, a second swing arm 2, a first drive device, a second drive device and a winch assembly; the bottom end of the first swing arm 1 is rotatably connected to the deck of the ship 7, and the top end is rotatably connected to the second swing arm 2, and the first swing arm 1 and the second swing arm 2 both swing in the vertical plane; the first drive device drives the first swing arm 1 to swing; the second drive device is installed on the first swing arm 1 and drives the second swing arm 2 to swing; the winch assembly is used to lift and lower the detection equipment. The first drive device drives the first swing arm 1 to swing, so that the winch assembly moves to the top of the detection equipment installed on the deck of the ship 7. The winch assembly moves to lift the detection equipment, the first drive device drives the first swing arm 1 to swing, so that the detection equipment moves outside the deck of the ship 7, and the second drive device drives the second swing arm 2 to swing around the first swing arm 1 until it is horizontal, so that the winch assembly drives the detection equipment to completely move out of the deck of the ship 7, and the winch assembly lowers the detection equipment, which can avoid the collision between the detection equipment and the deck of the ship 7. When the first swing arm 1 swings to a certain angle, the second swing arm 2 can swing around the first swing arm 1, and the second swing arm 2 drives the winch assembly to continue to move outward, increasing the length of the winch assembly cantilevered out of the deck of the ship 7. Therefore, in order to realize the release and recovery of a long-length detection device such as an airgun seismic source array, the height of the gun array release frame can be reduced, and the pitch angle of the first swing arm 1 can be reduced. In addition, the power requirement for the first drive device can be reduced, and the stability of the overall structure can be increased.

[0025] Preferably, there are two first swing arms 1, the two first swing arms 1 are arranged opposite to each other, each first swing arm 1 corresponds to a first driving device, and the two first driving devices drive the two first swing arms 1 to swing synchronously; there are two second swing arms 2, the two second swing arms 2 are arranged opposite to each other, each second swing arm 2 corresponds to a second driving device, and the two second driving devices drive the two second swing arms 2 to swing synchronously; a crossbeam 5 is rotatably connected between the two second swing arms 2, and the winch assembly is installed on the crossbeam 5. The two first swing arms 1, the two second swing arms 2 and the crossbeam 5 form a "door" frame to improve the structural rigidity and enhance the supporting capacity of the gun array release frame. When the winch assembly hoists the detection equipment, the crossbeam 5 and the two second swing arms 2 rotate under the action of gravity, and the winch assembly always remains in the vertical direction, which can reduce the shaking of the detection equipment during movement.

[0026] Specifically, both ends of the crossbeam 5 are respectively hinged to the top ends of the two second swing arms 2 to fully utilize the length of the second swing arms 2 .

[0027] Preferably, the winch assembly includes: a connection seat 61, a drum 62, a hoist 63, a steel cable 64 and a hook 65; the connection seat 61 is detachably fixed to the crossbeam 5, the drum 62 and the hoist 63 are installed on the connection seat 61, the hoist 63 drives the drum 62 to rotate, the steel cable 64 is wound on the drum 62, and the end of the steel cable 64 is connected to the hook 65. The hook 65 is connected to the detection device, the hoist 63 drives the drum 62 to rotate to realize the retraction and release of the steel cable 64, and then the steel cable 64 drives the hook 65 to move vertically to realize the lifting and lowering of the detection device.

[0028] Preferably, a fixing seat 51 is fixed on the cross beam 5. In this embodiment, the fixing seat 51 is welded to the middle of the cross beam 5. A group of through holes are provided on the fixing seat 51 and the connecting seat 61. The connecting seat 61 is detachably connected to the fixing seat 51 by a group of bolts, so that the winch assembly can be disassembled for maintenance, repair and replacement.

[0029] Preferably, the first driving device includes a first hydraulic cylinder 31, the bottom end of the first hydraulic cylinder 31 is rotatably connected to the deck of the ship 7, and the top end is rotatably connected to the first swing arm 1, and there is a preset distance between the bottom end of the first hydraulic cylinder 31 and the bottom end of the first swing arm 1. The first swing arm 1 is driven to swing by the extension and contraction of the piston rod of the first hydraulic cylinder 31, and the first swing arm 1, the first hydraulic cylinder 31 and the deck of the ship 7 form a triangular structure to increase the stability of the structure.

[0030] Specifically, the deck of the ship 7 is welded with a first hinge seat and a second hinge seat, and the bottom end of the first swing arm 1 is hinged to the first hinge seat, so that the first swing arm 1 is rotatably connected to the deck of the ship 7. The cylinder body of the first hydraulic cylinder 31 is hinged to the second hinge seat, so that the first hydraulic cylinder 31 is rotatably connected to the deck of the ship 7. A third hinge seat is welded or bolted near the upper end of the first swing arm 1, and the piston rod end of the first hydraulic cylinder 31 is hinged to the third hinge seat, so that the piston rod of the first hydraulic cylinder 31 drives the first swing arm 1 to swing. The top end of the first swing arm 1 is hinged to the bottom end of the second swing arm 2, so that the second swing arm 2 rotates around the first swing arm 1, and the length of the first swing arm 1 and the second swing arm 2 are fully utilized to increase the overhang length.

[0031] Preferably, the bottom end of the first swing arm 1 is arranged at the edge of the deck of the ship 7, and the bottom end of the first hydraulic cylinder 31 is arranged at a position away from the edge of the deck of the ship 7, so as to reduce the invalid length of the first swing arm 1 when it is cantilevered outward, that is, the length of the first swing arm 1 is fully used for cantilevering outward, avoiding the projection of the first swing arm 1 on the deck of the ship 7 being too long.

[0032] Specifically, the gun array release rack is installed on the rear elevated deck of the ship 7, the first articulated seat is located at the edge of the rear deck, the second articulated seat is located on the side of the first articulated seat facing the bow, and the gun array release rack places the detection equipment at the rear of the ship 7.

[0033] Preferably, the second driving device comprises: a second hydraulic cylinder 41, a connecting rod 42 and a rocker 43; one end of the second hydraulic cylinder 41 is rotatably connected to the first swing arm 1, and the other end is rotatably connected to the connecting rod 42; the end of the connecting rod 42 away from the second hydraulic cylinder 41 is rotatably connected to the second swing arm 2; one end of the rocker 43 is rotatably connected to the first swing arm 1, and the other end is rotatably connected to the connecting rod 42, the rocker 43 has a preset distance relative to the rotation axis of the first swing arm 1 and the second hydraulic cylinder 41 relative to the first swing arm 1, and the rotation axis of the rocker 43 relative to the connecting rod 42 is located between the rotation axis of the connecting rod 42 relative to the second hydraulic cylinder 41 and the rotation axis of the connecting rod 42 relative to the second swing arm 2. The second hydraulic cylinder 41 is telescopically driven to swing the connecting rod 42, and the rocker 43 applies a force between the first swing arm 1 and the connecting rod 42, and under the joint action of the second hydraulic cylinder 41, the connecting rod 42 and the rocker 43, the second swing arm 2 is swung around the top of the first swing arm 1.

[0034] Preferably, the rocker arm 43 is arranged in a triangle with respect to the rotation axis of the connecting rod 42, the rotation axis of the connecting rod 42 with respect to the second hydraulic cylinder 41, and the rotation axis of the connecting rod 42 with respect to the second swing arm 2, which can increase the swing angle of the second swing arm 2 around the first swing arm 1, thereby increasing the overhang length of the second swing arm 2.

[0035] Preferably, the distance between the rocker arm 43 and the connecting rod 42 and the second hydraulic cylinder 41 is smaller than the distance between the rocker arm 43 and the connecting rod 42 and the second swing arm 2, thereby reducing the amount of extension and retraction required by the second hydraulic cylinder 41 when the connecting rod 42 swings a unit angle.

[0036] Specifically, a fourth hinge seat is welded or bolted near the lower end of the first swing arm 1, the cylinder body of the second hydraulic cylinder 41 is hinged to the fourth hinge seat, and the end of the piston rod is hinged to one end of the connecting rod 42, so that the second hydraulic cylinder 41 is respectively rotatably connected to the first swing arm 1 and the connecting rod 42. A fifth hinge seat is welded or bolted near the upper end of the second swing arm 2, and one end of the connecting rod 42 away from the piston rod of the second hydraulic cylinder 41 is hinged to the fifth hinge seat, so that the connecting rod 42 is rotatably connected to the second swing arm 2. A sixth articulated seat is welded or bolted near the upper end of the first swing arm 1, and the sixth articulated seat and the third articulated seat are located on both sides of the first swing arm 1; one end of the rocker 43 is hinged to the sixth articulated seat, and the other end is hinged to the lug, and the lug is close to the connection between the connecting rod 42 and the piston rod end of the second hydraulic cylinder 41 and protrudes in a direction perpendicular to the length of the connecting rod 42, and the lug is integrally formed with the connecting rod 42; the two ends of the rocker 43 are hinged to ensure the rotational connection between the rocker 43 and the first swing arm 1 and the rotational connection between the rocker 43 and the connecting rod 42.

[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A gun array release rack, characterized in that: include: A first swing arm (1), a second swing arm (2), a first drive device, a second drive device and a winch assembly; The bottom end of the first swing arm (1) is rotatably connected to the deck of the ship (7), and the top end is rotatably connected to the second swing arm (2), and both the first swing arm (1) and the second swing arm (2) swing in a vertical plane; The first driving device drives the first swing arm (1) to swing; The second driving device is mounted on the first swing arm (1) and drives the second swing arm (2) to swing; The winch assembly is used to lift and lower the detection equipment.

2. A gun array release rack according to claim 1, characterized in that: The first driving device comprises a first hydraulic cylinder (31), the bottom end of the first hydraulic cylinder (31) is rotatably connected to the deck of the ship (7), and the top end is rotatably connected to the first swing arm (1), and the bottom end of the first hydraulic cylinder (31) is at a preset distance from the bottom end of the first swing arm (1).

3. A gun array release rack according to claim 2, characterized in that: The bottom end of the first swing arm (1) is arranged at the edge of the deck of the ship (7), and the bottom end of the first hydraulic cylinder (31) is arranged at a position away from the edge of the deck of the ship (7).

4. The gun array release rack according to claim 1, characterized in that: The second driving device comprises: a second hydraulic cylinder (41), a connecting rod (42) and a rocker (43); one end of the second hydraulic cylinder (41) is rotationally connected to the first swing arm (1), and the other end is rotationally connected to the connecting rod (42); the end of the connecting rod (42) away from the second hydraulic cylinder (41) is rotationally connected to the second swing arm (2); one end of the rocker (43) is rotationally connected to the first swing arm (1), and the other end is rotationally connected to the connecting rod (42); the rocker (43) has a preset distance relative to the rotation axis of the first swing arm (1) and the rotation axis of the second hydraulic cylinder (41) relative to the first swing arm (1); the rotation axis of the rocker (43) relative to the connecting rod (42) is located between the rotation axis of the connecting rod (42) relative to the second hydraulic cylinder (41) and the rotation axis of the connecting rod (42) relative to the second swing arm (2).

5. The gun array release rack according to claim 4, characterized in that: The rocker (43) is arranged in a triangle with respect to the rotation axis of the connecting rod (42), the rotation axis of the connecting rod (42) with respect to the second hydraulic cylinder (41), and the rotation axis of the connecting rod (42) with respect to the second swing arm (2).

6. A gun array release rack according to claim 5, characterized in that: The distance between the rocking arm (43) and the rotation axis of the connecting rod (42) and the rotation axis of the connecting rod (42) and the second hydraulic cylinder (41) is smaller than the distance between the rocking arm (43) and the rotation axis of the connecting rod (42) and the rotation axis of the connecting rod (42) and the second swing arm (2).

7. The gun array release rack according to claim 1, characterized in that: There are two first swing arms (1), the two first swing arms (1) are arranged opposite to each other, each first swing arm (1) corresponds to one first driving device, and the two first driving devices drive the two first swing arms (1) to swing synchronously; there are two second swing arms (2), the two second swing arms (2) are arranged opposite to each other, each second swing arm (2) corresponds to one second driving device, and the two second driving devices drive the two second swing arms (2) to swing synchronously; a crossbeam (5) is rotatably connected between the two second swing arms (2), and the winch assembly is mounted on the crossbeam (5).

8. The gun array release rack according to claim 7, characterized in that: The winch assembly comprises: a connecting seat (61), a drum (62), a winch (63), a steel cable (64) and a hook (65); the connecting seat (61) is detachably fixed to the crossbeam (5), the drum (62) and the winch (63) are installed on the connecting seat (61), the winch (63) drives the drum (62) to rotate, the steel cable (64) is wound around the drum (62), and the end of the steel cable (64) is connected to the hook (65).

9. The gun array release rack according to claim 8, characterized in that: A fixing seat (51) is fixedly provided on the crossbeam (5), and the connecting seat (61) is detachably connected to the fixing seat (51) via a set of bolts.

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