Centering and clamping device for recovery of shipborne working boat

Abstract

The invention belongs to the field of ship facilities, and provides a shipborne working boat recycling, centering and clamping device which comprises a mounting frame, a driving mechanism and a guide plate. The mounting frame is arranged on the tail gate; the guide plate is rotationally arranged on the mounting frame, and a guide roller is arranged on the guide plate; the driving mechanism is arranged on the mounting frame and used for driving the guide plate to rotate. The device drives the guide plate to swing outwards to be opened through the driving mechanism, and the flushing and discharging range of the working boat can be widened. When the working boat is flushed to the slideway of the mother boat, the working boat is influenced by sea waves and possibly deviates from the center line of the slideway, and at the moment, the guide plate is driven by the driving mechanism to swing inwards to centralize the working boat, so that the working boat can be quickly guided and enters the slideway of the tail gate along the center line. Therefore, the device can effectively control the posture of the working boat, realizes quick guiding and centering of the working boat, reduces the heaving swing amplitude of the working boat on the tail gate, shortens the stay time of the working boat outside the mother boat, and improves the recovery efficiency and the safety.

Description

Technical Field

[0001] The invention belongs to the field of ship facilities, and in particular relates to a ship-borne workboat recovery and centering clamping device. Background Art

[0002] The stern slide type ship-borne workboat retracting and launching system can release and recover the ship-borne workboat when the mother ship is sailing at a low speed. Its basic principle is: an inclined stern slide and a reversible stern door are set at the stern of the mother ship. When recovering the workboat, the workboat rushes into the stern door of the stern slide at a speed higher than that of the mother ship. The workboat is guided by two guide columns arranged symmetrically on the left and right of the stern door and the roller device arranged on the stern door to achieve the centering of the workboat and the stern slide. Then the winch in front of the slide uses a steel cable to pull the workboat away from the water surface and recover it to the designated position.

[0003] Among them, the guide columns are usually fixed and the distance between the two guide columns is short. Under complex sea conditions, the work boat usually needs to be flushed multiple times to enter between the two fixed guide columns, resulting in low flushing efficiency of the work boat. Multiple flushing is required to achieve the centering of the work boat and the mother ship slideway, and the work boat stays outside the mother ship for a long time, posing a major safety hazard. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention provides a ship-borne workboat recovery and centering clamping device, which can effectively control the posture of the workboat, realize rapid guidance and centering of the workboat, reduce the heave and swing amplitude of the workboat on the stern gate, shorten the time the workboat stays outside the mother ship, and improve the recovery efficiency and safety.

[0005] To achieve the above-mentioned object, the present invention adopts the following technical scheme: a ship-borne workboat recovery centering clamping device, comprising a mounting frame, a driving mechanism, and a guide plate; The mounting frame is arranged on the tailgate; The guide plate is rotatably arranged on the mounting frame, and a guide roller is arranged on the guide plate; The driving mechanism is arranged on the mounting frame, and is used for driving the guide plate to rotate.

[0006] Preferably, a rotating shaft is rotatably provided on the mounting frame, and one end of the guide plate is fixed to the rotating shaft.

[0007] Preferably, the rotating shaft is arranged vertically.

[0008] Preferably, the guide roller is arranged at an end of the guide plate away from the rotating shaft. Preferably, a fixed shaft is provided on the guide plate, and the guide roller is rotatably sleeved on the fixed shaft via a bearing.

[0009] Preferably, the fixed axis is arranged vertically.

[0010] Preferably, the guide roller is a polyurethane roller.

[0011] Preferably, the driving mechanism is a gear rack swing cylinder.

[0012] Compared with the prior art, the present invention has the following beneficial effects: The present invention provides a ship-borne workboat recovery and centering clamping device, which can widen the discharge range of the workboat by driving the guide plate to swing outward and open through a driving mechanism. When the workboat is discharged into the mother ship's slideway, if it is affected by the waves, it often does not enter directly along the center line of the slideway, and is very likely to deviate from the center line of the slideway. At this time, the guide plate is driven by the driving mechanism to swing inward to straighten the workboat, which is convenient for the rapid correction of the workboat, and can enter the tailgate slideway along the center line. Therefore, the device can effectively control the posture of the workboat, realize the rapid guidance and centering of the workboat, reduce the heave and swing amplitude of the workboat on the tailgate, shorten the time the workboat stays outside the mother ship, and improve the recovery efficiency and safety. Among them, the guide roller can roll in contact with the side wall of the workboat to avoid direct contact with the workboat when the guide plate swings inward, increase friction, and make it difficult to recover the workboat. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A schematic diagram of the front view structure of a ship-borne workboat recovery and centering clamping device provided by an embodiment of the present invention when in use; Figure 2 A schematic front view of the structure of a ship-borne workboat recovery and centering clamping device provided by an embodiment of the present invention; Figure 3 A schematic diagram of a top view of a ship-borne workboat recovery and centering clamping device provided by an embodiment of the present invention; Figure 4 One of the schematic diagrams of the top view of the ship-borne workboat recovery and centering clamping device provided by an embodiment of the present invention when in use; Figure 5 A second schematic diagram of a top view of a ship-borne workboat recovery and centering clamping device provided by an embodiment of the present invention when in use; Figure 6 A third schematic diagram of a top view of a ship-borne workboat recovery and centering clamping device provided by an embodiment of the present invention when in use; Figure 7 A fourth schematic diagram of a top view of a ship-borne workboat recovery and centering clamping device provided by an embodiment of the present invention when in use; Figure 8 A fifth schematic diagram of a top view of a ship-borne workboat recovery and centering clamping device provided by an embodiment of the present invention when in use; Fig. 9 A schematic front view structure diagram of a guide mechanism and related parts of a ship-borne workboat recovery and centering clamping device provided by an embodiment of the present invention; Fig.10 A schematic diagram of the three-dimensional structure of a guide mechanism and related parts of a ship-borne workboat recovery and centering clamping device provided by an embodiment of the present invention; Fig.11 A schematic front view of the structure of a slider and related parts of a ship-borne workboat recovery and centering clamping device provided by an embodiment of the present invention; Fig.12 A schematic cross-sectional structural diagram of a slider and related parts of a ship-borne workboat recovery and centering clamping device provided by an embodiment of the present invention; Fig.13 A schematic diagram of the top structure of a guide mechanism of a ship-borne workboat recovery and centering clamping device provided by an embodiment of the present invention when in use.

[0014] In the accompanying drawings, the components represented by the reference numerals are listed as follows: 1. Mounting frame; 2. Driving mechanism; 3. Rotating shaft; 4. Flange; 5. Guide plate; 6. Bearings; 7. Guide roller; 8. Work boat; 9. Tailgate; 10. Slideway; 11. Guide plate; 12. Slider; 13. Chute; 14. Return spring. DETAILED DESCRIPTION

[0015] In order to make the technical solutions and advantages in the embodiments of the present application more clearly understood, the exemplary embodiments of the present application are further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than an exhaustive list of all the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0016] Example 1 This embodiment provides a ship-borne workboat recovery centering clamping device, which includes a mounting frame 1, a driving mechanism 2, and a guide plate 5.

[0017] The mounting frame 1 is arranged on the tailgate 9 .

[0018] For example, see Figure 1-3Two sets of mounting frames 1 are installed on the left side wall of the tailgate 9, and the two sets of mounting frames 1 are respectively located on both sides of the slideway 10, and the two sets of mounting frames 1 are symmetrical about the center line of the slideway 10. The mounting frames 1 can be installed on the tailgate 9 by bolts, which is convenient for quick disassembly or installation.

[0019] The guide plate 5 is rotatably arranged on the mounting frame 1 , and a guide roller 7 is arranged on the guide plate 5 .

[0020] For example, see Figure 3 , each of the two sets of mounting frames 1 is provided with a guide plate 5, and the guide plate 5 can be a rectangular plate-shaped structure, and the guide plate 5 can be arranged vertically. The two guide plates 5 are symmetrical about the center line of the slideway 10. And the guide plate 5 takes the right end as an axis and can rotate around the axis. At this time, the area between the two guide plates 5 is the flushing range of the workboat 8. When the guide plate 5 swings outward, it can open and expand the flushing range of the workboat 8. When the guide plate 5 swings inward, it can narrow the flushing range of the workboat 8. In addition, a guide roller 7 is provided at the left end of the guide plate 5. When the guide plate 5 swings inward, the guide roller 7 can roll in contact with the side wall of the workboat 8, so that the guide plate 5 can avoid direct contact with the workboat 8.

[0021] The driving mechanism 2 is disposed on the mounting frame 1 , and is used to drive the guide plate 5 to rotate.

[0022] For example, see Figure 1-3 , each of the two mounting frames 1 is provided with a driving mechanism 2, and the driving mechanism 2 can be a motor, a cylinder, a cylinder, etc. The driving mechanism 2 can drive the guide plate 5 on the same side to rotate.

[0023] Based on the above structure, the ship-borne workboat recovery centering clamping device provided in this embodiment drives the guide plate 5 to swing outward and open through the driving mechanism 2, such as Figure 4 As shown, the flushing range of the workboat 8 can be widened. When the workboat 8 flushes toward the mother ship slideway 10, if it is affected by the waves, it often does not enter directly along the center line of the slideway 10, and is likely to deviate from the center line of the slideway 10. Figure 5 As shown, at this time, the guide plate 5 is driven by the driving mechanism 2 to swing inwards to straighten the working boat 8, as shown in FIG. Figure 6 As shown, the two guide plates 5 swing inwards at the same time, pushing the working boat 8 and confining it in the middle area, which is beneficial to the rapid correction of the working boat 8 and entering the tailgate slideway 10 along the center line.

[0024] Therefore, the ship-borne workboat recovery and centering clamping device provided in this embodiment can effectively control the posture of the workboat 8, realize the rapid guidance and centering of the workboat 8, reduce the heave and swing amplitude of the workboat 8 on the stern gate, shorten the time the workboat 8 stays outside the mother ship, and improve the recovery efficiency and safety.

[0025] Among them, the guide roller 7 can roll in contact with the side wall of the work boat 8 to prevent the guide plate 5 from directly contacting the work boat 8 when swinging inward, thereby increasing the friction and making it difficult to recover the work boat 8.

[0026] On the basis of the above technical solution, in the technical solution provided by this embodiment, a rotating shaft 3 is rotatably provided on the mounting frame 1 , and one end of the guide plate 5 is fixed to the rotating shaft 3 .

[0027] For example, see Figure 2 A rotating shaft 3 is rotatably provided on each of the two mounting frames 1, and a connecting shaft is fixedly provided at the right end of the guide plate 5. The connecting shafts of the two guide plates 5 are coaxially fixed with the two rotating shafts 3, so that the guide plates 5 can rotate around their respective connecting shafts.

[0028] The connecting shaft of the guide plate 5 can be connected to the rotating shaft 3 via the flange 4, which is very convenient for disassembly or installation. It is not only convenient for transportation, but also can be disassembled at any time when the guide plate 5 is not needed.

[0029] In the technical solution provided by this embodiment, the rotating shaft 3 is arranged vertically. Correspondingly, the connecting shaft of the guide plate 5 is also arranged vertically. In this way, the guide plate 5 can rotate back and forth on the same horizontal plane. Since the guide plate 5 can play a lateral limiting role on the working boat 8, the flushing range of the working boat 8 can be accurately adjusted by rotating the guide plate 5.

[0030] In the technical solution provided by this embodiment, the guide roller 7 is arranged at the end of the guide plate 5 away from the rotating shaft 3.

[0031] For example, see Figure 2 , a guide roller 7 is provided at the left end of the guide plate 5. When the guide plate 5 swings inward until the guide roller 7 contacts the side wall of the working boat 8, see Figure 6 , the guide plate 5 stops rotating, and the guide roller 7 is in rolling contact with the working boat 8. The guide roller 7 can limit the working boat 8 and avoid direct contact between the guide plate 5 and the working boat 8, which increases the friction and makes it difficult to recover the working boat 8.

[0032] In the technical solution provided by this embodiment, a fixed shaft is provided on the guide plate 5 , and the guide roller 7 is rotatably sleeved on the fixed shaft through a bearing 6 . For example, see Figure 2 A fixed shaft is fixed at the left end of the guide plate 5, and two guide rollers 7 are sleeved on the outer side of the fixed shaft. The two guide rollers 7 are rotatably sleeved on the upper half and the lower half of the fixed shaft respectively. The two guide rollers 7 do not need to rotate synchronously and do not interfere with each other.

[0033] The guide roller 7 can be rotatably sleeved on the fixed shaft through a self-lubricating sliding bearing 6. The bearing 6 can ensure the flexible rotation of the guide roller 7 in a marine environment.

[0034] In the technical solution provided by this embodiment, the guide roller 7 can be a polyurethane roller.

[0035] The polyurethane roller has a certain toughness, and can absorb the impact force when the work boat 8 is recovered and discharged, avoiding the rigid collision between the guide roller 7 and the work boat 8, and playing a certain protective role for the work boat 8 and the personnel on the boat.

[0036] In the technical solution provided in this embodiment, the driving mechanism 2 can be a gear rack swing cylinder.

[0037] For example, see Figure 2 The driving mechanism 2 is a gear rack swing oil cylinder, and the gear shaft of the gear rack swing oil cylinder is coaxially fixed with the rotating shaft 3. In this way, the rotating shaft 3 can be driven to rotate by the gear rack swing oil cylinder. Among them, the gear rack swing oil cylinder is a hydraulic device that uses the movement of gears and racks to realize the rotation of the gear shaft. It provides high-pressure liquid power through the hydraulic system to drive the gear rack to swing, and has the characteristics of simple structure, stable transmission, and high movement accuracy.

[0038] Example 2 When the workboat 8 is discharged toward the mother ship slideway 10, if it is affected by the waves, it will often not enter directly along the center line of the slideway 10, and it is very likely to deviate from the center line of the slideway 10. If the workboat 8 deviates from the center line of the slideway 10 at a large angle, the workboat 8 may hit the edge area of ​​the guide plate 5. For example, see Figure 7 , the bow of the working boat 8 contacts the left end area of ​​the guide plate 5. At this time, the driving mechanism 2 drives the guide plate 5 to swing inward. Since the working boat 8 is located in the area close to the outside, it is likely to cause the working boat 8 to retreat to the area between the two guide plates 5. Figure 8 As shown, at this time, the two guide plates 5 are unable to straighten the work boat 8, resulting in failure of flushing of the work boat 8 and the need for flushing again.

[0039] In order to avoid the above situation, based on Example 1, in the technical solution provided in this embodiment, a guiding mechanism is provided on the surface of the guide plate 5 , and the guiding mechanism includes a guiding plate 11 , a slider 12 , and a return spring 14 .

[0040] The surface of the guide plate 5 is provided with a slide groove 13, in which a slider 12 is slidably fitted, a return spring 14 is arranged in the slide groove 13, one end of the return spring 14 is connected to the inner wall of the slide groove 13, and the other end of the return spring 14 is connected to the slider 12. The guide plate 11 is fixedly connected to the slider 12.

[0041] For example, see Figure 9-11The inner side of the guide plate 5 is provided with a slide groove 13, which is horizontally arranged and arranged along the length direction of the guide plate 5. The slider 12 is slidably matched with the slide groove 13, and the slider 12 is located on the left side of the slide groove 13. The return spring 14 is located on the right side of the slide groove 13, and the left end of the return spring 14 is connected to the slider 12, and the right end of the return spring 14 is connected to the right inner wall of the slide groove 13. The guide plate 11 is fixedly connected to the slider 12, and the guide plate 11 is parallel to the guide plate 5.

[0042] The return spring 14 can be extended and retracted along the length direction of the slide slot 13. When the slider 12 moves to the right, the return spring 14 is compressed and shortened, and when the slider 12 moves to the left, the return spring 14 is stretched and lengthened. Moreover, when the guide plate 11 is not subjected to other external forces, the return spring 14 can push the slider 12 to the left end, so that the guide plate 11 is located in the left end area of ​​the inner side of the guide plate 5.

[0043] See also Fig.12 The cross section of the slider 12 can be a convex structure, and the cross section of the chute 13 can also be a convex structure, so that the slider 12 can slide back and forth stably in the chute 13, that is, the guide plate 11 can move back and forth stably on the inner side of the guide plate 5.

[0044] Based on the above structure, when the working boat 8 is flushing, if the working boat 8 deviates from the center line of the slideway 10, the working boat 8 may contact the guide plate 11, see Fig.13 , the impact of the working boat 8 allows the guide plate 11 to move along the surface of the guide plate 5, that is, the slider 12 slides along the slide groove 13, and the return spring 14 is compressed and shortened, so that the working boat 8 is further approached to the mother ship. In this way, the guide plate 5 is driven to swing inward by the driving mechanism 2, and it is easier and more efficient to right the working boat 8. In addition, the guide plate 11 will not interfere with the working boat 8 in the future.

[0045] In the technical solution provided in this embodiment, a buffer layer may be provided on the inner side of the guide plate 11. The buffer layer may be a rubber layer, a polyurethane layer, etc. The buffer layer may absorb the impact force when the work boat 8 is recovered and flushed, and play a certain protective role for the work boat 8 and the personnel on the boat.

[0046] In the technical solution provided by this embodiment, the guide plate 11 is slidably connected to the guide plate 5. In this way, the guide plate 5 can support the guide plate 11, thereby improving the stability of the guide plate 11.

[0047] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0048] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0049] Although the preferred embodiments of the present application have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present application.

[0050] Obviously, those skilled in the art can make various changes and modifications to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to include these modifications and variations.

Claims

1. A ship-borne workboat recovery centering clamping device, characterized in that: It comprises a mounting frame (1), a driving mechanism (2), and a guide plate (5); The mounting frame (1) is arranged on the tailgate (9); The guide plate (5) is rotatably mounted on the mounting frame (1), and a guide roller (7) is provided on the guide plate (5); The driving mechanism (2) is arranged on the mounting frame (1), and the driving mechanism (2) is used to drive the guide plate (5) to rotate.

2. A ship-borne workboat recovery centering clamping device according to claim 1, characterized in that: A rotating shaft (3) is rotatably provided on the mounting frame (1), and one end of the guide plate (5) is fixed to the rotating shaft (3).

3. A shipborne workboat recovery centering clamping device according to claim 2, characterized in that: The rotating shaft (3) is arranged vertically.

4. A ship-borne workboat recovery centering clamping device according to claim 2, characterized in that: The guide roller (7) is arranged at an end of the guide plate (5) away from the rotating shaft (3).

5. The shipborne workboat recovery centering clamping device according to claim 1 is characterized in that: The guide plate (5) is provided with a fixed shaft, and the guide roller (7) is rotatably sleeved on the fixed shaft via a bearing (6).

6. A ship-borne workboat recovery centering clamping device according to claim 5, characterized in that: The fixed axis is arranged vertically.

7. The shipborne workboat recovery centering clamping device according to claim 1 is characterized in that: The guide roller (7) is a polyurethane roller.

8. The shipborne workboat recovery centering clamping device according to claim 1, characterized in that: The driving mechanism (2) is a gear rack swing cylinder.

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