An asymmetric gantry crane deployment device

Abstract

This utility model discloses an asymmetrical gantry lifting device, including a first support, a left telescopic member, an anti-sway device, a gantry, a right telescopic member, and a second support. The first and second supports are respectively arranged on the deck of the mother ship and connected to the mother ship's deck. The first and second supports are asymmetrical structures. The bottom of the left and right sides of the gantry are hinged to the first and second supports respectively. One end of the left telescopic member is hinged to the first support to form a first fulcrum, and the other end of the left telescopic member is hinged to a rod on the left side of the gantry. One end of the right telescopic member is hinged to the second support to form a second fulcrum, and the other end of the right telescopic member is hinged to a rod on the right side of the gantry. The first and second fulcrums are staggered. The anti-sway device is mounted on the gantry. This device uses only two telescopic members to achieve a large-angle rotation of the gantry, reducing manufacturing costs and improving lifting efficiency and reliability during the lifting process.

Description

Technical Field

[0001] This utility model relates to the field of marine vessel equipment technology, specifically to an asymmetric gantry lifting device. Background Technology

[0002] In conventional deployment systems, in order to protect the safety of the submersible's deployment and recovery system and ensure a reliable landing on the support vessel's deck after recovery, multi-stage actuators or larger gantry structures are required. If only one set of hydraulic cylinders is used, the recovery angle of the deployment system will be limited, which will affect the overall layout and recovery effect. Utility Model Content

[0003] The purpose of this invention is to provide an asymmetric gantry lifting device to solve one or more of the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model discloses an asymmetrical gantry lifting device, comprising a first support, a left telescopic member, an anti-sway device, a gantry, a right telescopic member, and a second support. The first and second supports are respectively arranged on the deck of the mother ship and connected to the mother ship's deck. The first and second supports are asymmetrical structures. The bottom of the left and right sides of the gantry are respectively hinged to the first and second supports. One end of the left telescopic member is hinged to the first support to form a first fulcrum, and the other end of the left telescopic member is hinged to the rod on the left side of the gantry. One end of the right telescopic member is hinged to the second support to form a second fulcrum, and the other end of the right telescopic member is hinged to the rod on the right side of the gantry. The first and second fulcrums are staggered. The anti-sway device is mounted on the gantry.

[0005] In some implementations...

[0006] The first bracket and the second bracket are both provided with shaft holes corresponding to the gantry, and the shaft holes on the first bracket and the second bracket are coaxially arranged;

[0007] Both the left and right telescopic components are hydraulic telescopic devices.

[0008] In some embodiments, the gantry includes two side rods and a crossbeam, with the left and right ends of the crossbeam connected to the upper ends of the two side rods respectively. The anti-sway device is mounted on the crossbeam, and the bottoms of the two side beams are hinged to the first bracket and the second bracket respectively.

[0009] In some embodiments, a reinforcing rib is provided between the crossbeam and the side bar.

[0010] In some implementations...

[0011] The first bracket includes a first main frame and a first connecting seat protruding from the first main frame. The bottom of the left side of the gantry is hinged to the first connecting seat, and the end of the left telescopic member is hinged to the top of the first main frame.

[0012] The second bracket includes a second main frame and a second connecting seat protruding from the second main frame. The bottom right side of the gantry is hinged to the second connecting seat. The structure of the second main frame is different from that of the first main frame. The end of the right telescopic member is hinged to the top of the second main frame.

[0013] In some implementations...

[0014] The first main frame is a right-angled triangle, and the right angle of the first main frame is set at the bottom of the first main frame;

[0015] The second main frame is an obtuse triangle, with the obtuse angle of the second main frame located at its bottom.

[0016] In some embodiments, the left telescopic member and the right telescopic member have different lengths, and the gantry is equipped with an angle sensor.

[0017] Compared with existing technologies, the advantages of this invention are: it can increase the swing angle of the gantry during the lifting process, improving the reliability of landing on the clamping plate during recovery, while also achieving the effect of lifting away from the mother ship's hull, effectively improving the efficiency and reliability of lifting. Furthermore, the asymmetric gantry lifting device described in this invention also has the advantages of low manufacturing cost. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the asymmetric gantry lifting device in some embodiments of the present invention;

[0019] Figure 2 This is a schematic diagram of the asymmetric gantry lifting device passing the dead point of the left hydraulic cylinder in some embodiments of this utility model;

[0020] Figure 3 This is a schematic diagram of the asymmetric gantry lifting device passing the dead point of the right hydraulic cylinder in some embodiments of this utility model;

[0021] Figure 4 This is a schematic diagram showing the horizontal working position of the asymmetric gantry lifting device in some embodiments of this utility model;

[0022] Figure 5 This is a schematic diagram showing the placement of the submersible in some embodiments of the present invention using an asymmetrical gantry lifting device. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1 to 5 The figure shows a preferred embodiment of this utility model, which discloses an asymmetrical gantry lifting device, including a first support 1, a left telescopic member 2, an anti-sway device 3, a gantry 4, a right telescopic member 5, and a second support 6. The first support 1 and the second support 6 are respectively arranged on the deck of the mother ship and connected to the mother ship's deck. The first support 1 and the second support 6 are provided with shaft holes corresponding to the gantry 4, and the shaft holes on the first support 1 and the second support 6 are coaxially arranged to facilitate the rotation of the gantry 4. The first support 1 and the second support 6 have an asymmetrical structure, and the bottom of the left and right sides of the gantry 4 are respectively connected to the first support 1 and the second support 6. The frame 6 is hinged. One end of the left telescopic member 2 is hinged to the first support 1 to form a first fulcrum. The other end of the left telescopic member 2 is hinged to the left rod of the gantry 4. One end of the right telescopic member 5 is hinged to the second support 6 to form a second fulcrum. The other end of the right telescopic member 5 is hinged to the right rod of the gantry 4. The first fulcrum and the second fulcrum are staggered (perpendicular to the gantry 4, when projected in the direction of the first support 1 and the second support 6, the distance S between the point formed when the first fulcrum is projected and the point formed when the second fulcrum is projected is not 0). The anti-sway device 3 is assembled on the upper part of the gantry 4.

[0025] Both the left telescopic component 2 and the right telescopic component 5 mentioned above can be hydraulic telescopic devices, such as hydraulic cylinders.

[0026] The aforementioned anti-sway device 3 can be directly implemented using existing devices or technologies, so it will not be described in detail here.

[0027] The structure of the aforementioned gantry 4 can be as follows: the gantry 4 includes two side rods and a crossbeam. The left and right ends of the crossbeam are respectively connected to the upper ends of the two side rods. The anti-sway device 3 is mounted on the crossbeam. The bottom of the two side beams are respectively hinged to the first support 1 and the second support 6. Reinforcing ribs can be added between the crossbeam and the side rods to enhance the stability of the connection structure between the crossbeam and the side rods.

[0028] The structure of the first support 1 can be as follows: the first support 1 includes a first main frame and a first connecting seat protruding from the first main frame. The bottom of the left side of the gantry 4 is hinged to the first connecting seat, and the end of the left telescopic member 2 is hinged to the top of the first main frame. The first main frame can be a right triangle, and the right angle of the first main frame is set at the bottom of the first main frame.

[0029] The structure of the second support 6 can be as follows: the second support 6 includes a second main frame and a second connecting seat protruding from the second main frame. The bottom right side of the gantry 4 is hinged to the second connecting seat. The structure of the second main frame is different from that of the first main frame. The end of the right telescopic member 5 is hinged to the top of the second main frame. The second main frame can be an obtuse triangle. The obtuse angle of the second main frame is set at the bottom of the second main frame.

[0030] The lengths of the left telescopic component 2 and the right telescopic component 5 are different.

[0031] An angle sensor is provided on the aforementioned gantry 4. The gantry 4 is connected to the first support 1 and the second support 6 through a rotating shaft. The angle sensor is located at the rotating shaft. The angle sensor senses the rotation position of the gantry and monitors the rotation of the gantry 4 in real time.

[0032] The working principle of the above-mentioned asymmetric gantry lifting device can be summarized as follows:

[0033] from Figure 2 As can be seen, when the gantry is in a vertical position, the left telescopic member 2 and the gantry 4 are in the same plane, which is called the dead point position. At this time, the gantry 4 can only be pulled by the right telescopic member 5. After the gantry 4 passes 90 degrees, the left telescopic member 2 exerts force again. When the gantry 4 rotates to be in the same plane as the right telescopic member 5, it is another dead point position. At this time, the left telescopic member 2 acts as the main load-bearing structure. After rotating past the dead point, the right telescopic member 5 starts to exert force again, thus achieving the requirement of a large angle of rotation.

[0034] During operation, gantry 4 remains almost horizontal with the deck, ensuring the submersible is far from the mother ship's hull. After the submersible is raised to its position, the left telescopic component 2 and the right telescopic component 5 are retrieved, causing gantry 4 to begin rotating upwards. When gantry 4 rotates to a 90-degree angle with the deck surface, due to the different lengths of the hydraulic cylinders on the left and right sides, the moment when both sides are simultaneously at a dead point is avoided. The left telescopic component 2 is at a dead point, and at this time, the right telescopic component 5 acts as the main load-bearing mechanism, driving gantry 4 to continue rotating. After the left telescopic component 2 has passed its dead point, it begins to bear tension again. When gantry 4 continues to rotate to... Figure 3 When the position is reached, the right telescopic member 5 is at its dead point. At this time, the left telescopic member 2 acts as the main load-bearing mechanism, driving the gantry 4 to rotate. After the right telescopic member 5 rotates past the dead point, the right telescopic member 5 begins to bear the tension again until the gantry 4 finally rotates to its maximum angle.

[0035] All of the above-mentioned undisclosed matters can be implemented using existing technologies, so they will not be elaborated here.

[0036] Finally, it should be noted that in the description of this utility model, the terms "vertical," "upper," "lower," "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0037] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set", "install", "connect", and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0038] The above description, in conjunction with specific embodiments, provides a further detailed explanation of the present utility model. It should not be construed that the specific implementation of the present utility model is limited to these descriptions. For those skilled in the art, several simple deductions or substitutions can be made without departing from the concept of the present utility model, and all such deductions or substitutions should be considered to fall within the scope of protection defined by the claims submitted by the present utility model.

Claims

1. An asymmetric gantry lifting device, characterized in that, The system includes a first support, a left telescopic member, an anti-sway device, a gantry, a right telescopic member, and a second support. The first and second supports are respectively installed on the deck of the mother ship and connected to the mother ship's deck. The first and second supports are asymmetrical structures. The bottom of the left and right sides of the gantry are hinged to the first and second supports, respectively. One end of the left telescopic member is hinged to the first support to form a first fulcrum, and the other end of the left telescopic member is hinged to the rod on the left side of the gantry. One end of the right telescopic member is hinged to the second support to form a second fulcrum, and the other end of the right telescopic member is hinged to the rod on the right side of the gantry. The first and second fulcrums are staggered. The anti-sway device is mounted on the gantry.

2. The asymmetric gantry lifting device according to claim 1, characterized in that, The first bracket and the second bracket are both provided with shaft holes corresponding to the gantry, and the shaft holes on the first bracket and the second bracket are coaxially arranged; Both the left and right telescopic components are hydraulic telescopic devices.

3. An asymmetric gantry lifting device according to claim 1 or 2, characterized in that, The gantry includes two side rods and a crossbeam. The left and right ends of the crossbeam are connected to the upper ends of the two side rods, respectively. The anti-sway device is mounted on the crossbeam. The bottoms of the two side rods are hinged to the first bracket and the second bracket, respectively.

4. The asymmetric gantry lifting device according to claim 3, characterized in that, A reinforcing rib is provided between the crossbeam and the side bar.

5. The asymmetric gantry lifting device according to claim 3, characterized in that, The first bracket includes a first main frame and a first connecting seat protruding from the first main frame. The bottom of the left side of the gantry is hinged to the first connecting seat, and the end of the left telescopic member is hinged to the top of the first main frame. The second bracket includes a second main frame and a second connecting seat protruding from the second main frame. The bottom right side of the gantry is hinged to the second connecting seat. The structure of the second main frame is different from that of the first main frame. The end of the right telescopic member is hinged to the top of the second main frame.

6. The asymmetric gantry lifting device according to claim 5, characterized in that, The first main frame is a right-angled triangle, and the right angle of the first main frame is set at the bottom of the first main frame; The second main frame is an obtuse triangle, with the obtuse angle of the second main frame located at its bottom.

7. An asymmetric gantry lifting device according to claim 1 or 2, characterized in that, The left and right telescopic components have different lengths, and the gantry is equipped with an angle sensor.

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