Rock-throwing device for submarine cable laying

Abstract

The application provides a riprap construction device for submarine cable laying, which comprises a riprap ship, a riprap ship body, a stone conveying device arranged on the ship body, a stone falling pipe, and a material guiding device. The stone falling pipe is arranged on the output side of the conveying device. The material guiding device comprises a material guiding pipe arranged between the stone conveying device and the stone falling pipe. The output section of the material guiding pipe is inserted into the stone falling pipe, and an active gap is formed between the output section and the stone falling pipe. The material guiding pipe is movably arranged along the width direction of the ship body to adjust the position of the output section in the stone falling pipe. The riprap construction device for submarine cable laying provided by the application can dynamically adjust the dropping position of the stone in the stone falling pipe along the width direction of the ship body by arranging the material guiding pipe between the stone conveying device and the stone falling pipe and movably arranging the material guiding pipe along the width direction of the ship body, thereby improving the uniformity of the laying thickness of the stone on the submarine cable.

Description

Technical Field

[0001] This utility model generally relates to the field of submarine cable laying technology, and specifically to a rock-throwing construction device for submarine cable laying. Background Technology

[0002] To protect laid submarine cables, rock-drop protection is typically required. This is carried out by a rock-dropping vessel, which lays protective stones on the exposed cable. Existing rock-dropping vessels are equipped with belt conveyors and rock-drop pipes. The belt conveyor transports the stones to the rock-drop pipes, through which they are laid onto the submarine cable.

[0003] Because the stone material conveyed by the belt conveyor is placed at a fixed and central position in the rock-falling pipe, the stone material is mainly discharged along the middle of the rock-falling pipe, resulting in poor uniformity of the thickness of the rock material laid on the submarine cable, which increases the difficulty of subsequent leveling operations. Utility Model Content

[0004] In view of the above-mentioned defects or deficiencies in the prior art, it is desirable to provide a rock-throwing construction device for laying submarine cables.

[0005] This application provides a rock-drop construction device for laying submarine cables, comprising: A stone-throwing vessel includes a hull and a stone conveying device and a stone drop pipe installed on the hull, with the stone drop pipe located on the output side of the stone conveying device. The material guiding device includes a material guiding pipe, which is disposed between the stone conveying device and the rock dropping pipe. The material guiding pipe includes an output section, which is inserted into the rock dropping pipe. An movable gap is formed between the output section and the rock dropping pipe. The material guiding pipe is movable along the width direction of the hull to adjust the position of the output section in the rock dropping pipe.

[0006] Furthermore, the material guiding device includes a first mounting base, on which the rock-dropping pipe is movably disposed along the width direction of the hull and the first mounting base is movably disposed along the height direction of the hull, so that the output section can be inserted into or removed from the rock-dropping pipe.

[0007] Furthermore, the stone conveying device includes a frame, and the guiding device includes a second mounting base. The first mounting base is movably disposed on the second mounting base along the height direction of the hull, and the second mounting base is rotatably disposed on the frame so that the guiding pipe can move between a working position and a clearance position. The rotation axis of the second mounting base is parallel to the height direction of the hull.

[0008] Furthermore, the rotation direction of the second mounting base when the guide tube switches from the avoidance position to the working position is the first direction. The frame is provided with a first limiting part. When the guide tube is in the working position, the first limiting part and the second mounting base limit each other to restrict the rotation of the second mounting base along the first direction.

[0009] Furthermore, the rotation direction of the second mounting base when the guide tube switches from the working position to the avoidance position is the second direction. The frame is provided with a second limiting part. When the guide tube is in the avoidance position, the second limiting part and the second mounting base limit each other to restrict the rotation of the second mounting base in the second direction.

[0010] Furthermore, the frame is provided with a limiting plate, the limiting plate has a through limiting groove, the limiting groove is arc-shaped and its central axis is set to coincide with the rotation axis of the second mounting seat, the second mounting seat is provided with a limiting mating rod, the limiting mating rod is inserted into the limiting groove.

[0011] Furthermore, the feed pipe also includes an inclined section, one end of which is connected to the output section and the other end is equipped with a hopper.

[0012] Furthermore, the feed tube also includes an arc segment, and the inclined segment and the output segment are connected by an arc segment.

[0013] The rock-dropping construction device for laying submarine cables provided in this application has a guide pipe between the rock conveying device and the rock-dropping pipe. The output section of the guide pipe is inserted into the rock-dropping pipe and there is a movable gap between the output section and the rock-dropping pipe. The guide pipe is movable along the width direction of the hull, so that the position of the rock in the rock-dropping pipe can be dynamically adjusted along the width direction of the hull, thereby improving the uniformity of the laying thickness of the rock on the submarine cable. Attached Figure Description

[0014] Other features, objects, and advantages of this application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings: Figure 1 This is a schematic diagram of the material guiding device provided in an embodiment of this application. Detailed Implementation

[0015] The present application will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the relevant utility model and not intended to limit the scope of the utility model. Furthermore, it should be noted that, for ease of description, only the parts relevant to the utility model are shown in the accompanying drawings.

[0016] Please refer to the attached document. Figure 1This application provides a rock-throwing construction device for submarine cable laying, including a rock-throwing vessel and a material guiding device. The rock-throwing vessel includes a hull, a stone conveying device, and a rock-dropping pipe 300 disposed on the hull. The conveying direction of the stone conveying device is parallel to the length direction of the hull. The rock-dropping pipe 300 is located on the output side of the stone conveying device and is lower than the conveying surface of the stone conveying device. The material guiding device includes a material guiding pipe 100, which is disposed between the stone conveying device and the rock-dropping pipe 300. The material guiding pipe 100 guides the stones output by the stone conveying device into the rock-dropping pipe 300. The material guiding pipe 100 includes an output section 120, which is inserted into the inlet end of the rock-dropping pipe 300. The outer diameter of the output section 120 is smaller than the inner diameter of the rock-dropping pipe 300 so that a movable gap is formed between the output section 120 and the rock-dropping pipe 300. The feed pipe 100 is movably arranged along the width direction of the hull to adjust the position of the output section 120 within the rock drop pipe 300, thereby adjusting the placement position of the stones within the rock drop pipe 300.

[0017] During rock-dropping operations, the rock conveying device transports the rocks to the guide pipe 100. The guide pipe 100 moves back and forth along the width of the ship, causing the position of the rocks placed in the rock-dropping pipe 300 to change back and forth along the width of the ship. This prevents the position of the rocks in the guide pipe 100 from remaining centered and allows the position of the rocks in the rock-dropping pipe 300 to be dynamically adjusted along the width of the ship, thereby improving the uniformity of the thickness of the rocks laid on the submarine cable.

[0018] The stone conveying device can be, but is not limited to, a belt conveyor. The axial direction of the output section 120 and the axial direction of the rock drop pipe 300 are both parallel to the height direction of the hull.

[0019] In some embodiments of this application, the stone conveying device includes a frame, and the guiding device includes a first mounting base 210 and a second mounting base 220. A rock-dropping pipe 300 is movably mounted on the first mounting base 210 along the width direction of the hull. The first mounting base 210 is movably mounted on the second mounting base 220 along the height direction of the hull, driving the guiding pipe 100 to rise and fall, so that the output section 120 inserts into or exits the rock-dropping pipe 300. The second mounting base 220 is rotatably mounted on the frame, driving the guiding pipe 100 to rotate, so that the guiding pipe 100 moves between a working position and a clearance position. The rotation axis of the second mounting base 220 is parallel to the height direction of the hull. When in the working position, the guide pipe 100 is located on the output side of the stone conveying device and between the stone conveying device and the rock dropping pipe 300; when in the avoidance position, the guide pipe 100 is located on the side of the stone conveying device along the width of the hull, and at this time the guide pipe 100 is not between the stone conveying device and the rock dropping pipe 300, so as to avoid the lifting operation of the rock dropping pipe 300.

[0020] The guide tube 100 is provided with a connecting seat 140. At least one first sliding component 240 is provided between the connecting seat 140 and the first mounting seat 210. The first sliding component 240 includes a first slide rail and a first slider that are slidably engaged along the width direction of the hull, and the first slide rail and the first slider are respectively disposed on the connecting seat 140 and the first mounting seat 210. The first mounting seat 210 is provided with a first linear driver, which is driven by the connecting seat 140 to drive the guide tube 100 to reciprocate along the width direction of the hull. At least one second sliding component 250 is provided between the second mounting seat 220 and the first mounting seat 210. The second sliding component 250 includes a second slide rail and a second slider that are slidably engaged along the height direction of the hull, and the second slide rail and the second slider are respectively disposed on the second mounting seat 220 and the first mounting seat 210. The second mounting seat 220 is provided with a second linear driver, which is driven by the first mounting seat 210 to drive the first mounting seat 210 to move along the height direction of the hull. A rotating shaft 230 is provided between the frame of the stone conveying device and the second mounting base 220 to enable the second mounting base 220 to be rotatably connected to the frame, wherein the axis of the rotating shaft 230 is parallel to the height direction of the hull.

[0021] In some embodiments of this application, the rotation direction of the second mounting base 220 when the guide tube 100 switches from the avoidance position to the working position is a first direction, and the rotation direction of the second mounting base 220 when the guide tube 100 switches from the working position to the avoidance position is a second direction. The first direction and the second direction are arranged oppositely. The frame is provided with a first limiting part and a second limiting part. When the guide tube 100 is in the working position, the first limiting part and the second mounting base 220 limit each other to restrict the second mounting base 220 from rotating in the first direction. When the guide tube 100 is in the avoidance position, the second limiting part and the second mounting base 220 limit each other to restrict the second mounting base 220 from rotating in the second direction. This arrangement enables the guide tube 100 to switch positions quickly and accurately.

[0022] Optionally, the frame is provided with a limiting plate, which can be positioned above or below the second mounting base 220. The limiting plate has a through-hole limiting groove, which is arc-shaped and whose central axis coincides with the rotation axis of the second mounting base 220. The second mounting base 220 is provided with a limiting fitting rod, which is inserted into the limiting groove. The limiting groove has two inner groove walls that are opposite each other along the arc direction, forming a first limiting part and a second limiting part, respectively.

[0023] Optionally, the frame is equipped with a locking chain, and the second mounting base 220 is equipped with a connecting ring. When in the clearance position, the locking chain is engaged with the connecting ring and is in a taut state to lock the guide tube 100 in the clearance position. When switching from the clearance position to the working position, the locking chain and the connecting ring need to be separated.

[0024] In some embodiments of this application, the feed pipe 100 further includes an inclined section 110, one end of which is connected to the output section 120 and the other end is provided with a hopper 130. The hopper 130 is conical in shape and its smaller diameter end is connected to the inclined section 110. The feed pipe 100 also includes an arc section, through which the inclined section 110 and the output section 120 are transitionally connected. This arrangement allows the stone to move smoothly within the feed pipe 100.

[0025] The connecting seat 140 is fixedly sleeved on the outer periphery of the inclined section 110.

[0026] It should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., used above to indicate orientation or positional relationships are based on the orientation or positional relationships shown in the accompanying drawings and 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, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0027] The above description is merely a preferred embodiment of this application and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the utility model involved in this application is not limited to the technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the inventive concept. For example, technical solutions formed by substituting the above features with (but not limited to) technical features with similar functions disclosed in this application.

Claims

1. A riprap laying device for submarine cable laying, characterized in that, include: A stone-throwing vessel, comprising a hull and a stone conveying device and a stone drop pipe disposed on the hull, wherein the stone drop pipe is located on the output side of the stone conveying device; A material guiding device includes a material guiding pipe disposed between the stone conveying device and the rock dropping pipe. The material guiding pipe includes an output section inserted into the rock dropping pipe. An movable gap is formed between the output section and the rock dropping pipe. The material guiding pipe is movably disposed along the width direction of the hull to adjust the position of the output section within the rock dropping pipe.

2. The riprap laying device for submarine cable laying according to claim 1, characterized in that, The material guiding device includes a first mounting base, the rock-dropping pipe is movably disposed on the first mounting base along the width direction of the hull, and the first mounting base is movably disposed along the height direction of the hull, so that the output section can be inserted into or removed from the rock-dropping pipe.

3. The riprap laying device for submarine cable laying according to claim 2, characterized in that, The stone conveying device includes a frame, and the material guiding device includes a second mounting base. The first mounting base is movably disposed on the second mounting base along the height direction of the hull, and the second mounting base is rotatably disposed on the frame so that the material guiding pipe can move between a working position and a clearance position. The rotation axis of the second mounting base is parallel to the height direction of the hull.

4. The riprap laying device for submarine cable laying according to claim 3, characterized in that, The second mounting base rotates in a first direction when the guide tube switches from the avoidance position to the working position. The frame is provided with a first limiting part. When the guide tube is in the working position, the first limiting part and the second mounting base limit each other to restrict the second mounting base from rotating in the first direction.

5. The riprap laying device for submarine cable laying according to claim 4, characterized in that, The second mounting base rotates in a second direction when the guide tube switches from the working position to the avoidance position. The frame is provided with a second limiting part. When the guide tube is in the avoidance position, the second limiting part and the second mounting base cooperate to limit the rotation of the second mounting base in the second direction.

6. The riprap laying device for submarine cable laying according to claim 5, characterized in that, The frame is provided with a limiting plate, the limiting plate is provided with a through limiting groove, the limiting groove is arc-shaped and its central axis is coincident with the rotation axis of the second mounting base, the second mounting base is provided with a limiting fitting rod, the limiting fitting rod is inserted into the limiting groove.

7. The riprap laying device for submarine cable laying according to any one of claims 1-6, characterized in that, The feed pipe also includes an inclined section, one end of which is connected to the output section and the other end is provided with a hopper.

8. The riprap laying device for submarine cable laying according to claim 7, characterized in that, The feed tube also includes an arc segment, and the inclined segment and the output segment are connected by the arc segment.

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