Buoyancy tank structure with gate plugging device

Abstract

The invention discloses a buoyancy tank structure with a gate plugging device, and relates to the technical field of buoyancy tank gate plugging for hydraulic engineering, the buoyancy tank structure comprises a plurality of buoyancy tanks which are mutually spliced, a mounting seat is mounted at one end of each buoyancy tank, a mounting frame is fixedly connected to the inner wall of each mounting seat, a baffle is slidably connected to the inner wall of each mounting frame, and the buoyancy tank structure further comprises a positioning mechanism and a butt joint mechanism. The floating box is arranged, the floating box is dragged to move, the gate can be synchronously driven to move, after the gate moves to a preset position, the position of the floating box is positioned through a positioning mechanism, then a second motor is started, the second motor operates to drive a second straight gear to rotate, and the second straight gear rotates to drive a first straight gear to rotate; and the first straight gear rotates to drive the rotating seat to rotate, the rotating seat rotates to drive the first threaded rod to move, the first threaded rod moves to drive the baffle to move, and the dyke breach or the river mouth is conveniently blocked.

Description

Technical Field

[0001] The invention relates to the technical field of buoy gate blocking for water conservancy projects, in particular to a buoy structure with a gate blocking device. Background Art

[0002] Water conservancy projects are a general term for various engineering projects built to control, utilize and protect surface and underground water resources and the environment. In water conservancy projects, it is necessary to seal the breaches that occur in emergencies or the estuaries where engineering construction is required. However, the traditional temporary construction and installation of gates for sealing is inefficient. In order to facilitate the rapid sealing of breaches or estuaries, a pontoon structure with a gate sealing device is provided. Summary of the invention

[0003] The object of the present invention is to provide a buoyancy structure with a gate blocking device in order to facilitate the breach of a dike or to quickly block a river mouth.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a buoy structure with a gate blocking device, comprising a plurality of buoys spliced ​​with each other, a mounting seat being installed at one end of the buoy, a mounting frame being fixedly connected to the inner wall of the mounting seat, a baffle being slidably connected to the inner wall of the mounting frame, a first threaded rod being fixedly connected to the top of the baffle, a mounting cylinder being fixedly connected to the top of the mounting frame, a rotating seat being rotatably connected to the top of the mounting cylinder, the first threaded rod passing through the rotating seat, a first spur gear being fixedly connected to the outer wall of the rotating seat, a connecting seat being fixedly connected to the top of the mounting frame at one side of the mounting cylinder, a second motor being installed at the top of the connecting seat, a second spur gear being connected to the output end of the second motor, the first spur gear being in contact with the second spur gear, the position of the buoy is positioned by a positioning mechanism, and the plurality of buoys are connected by a docking mechanism; The positioning mechanism includes a mounting frame, which is fixedly connected to the top of the pontoon, and a movable frame is slidably connected to the inner wall of the mounting frame. A first motor is installed on the outer wall of the mounting frame, and a second threaded rod is connected to the output end of the first motor, and the second threaded rod passes through the movable frame. Side panels are symmetrically installed on both sides of the pontoon, and a first transverse groove is provided on the outer wall of the side panel, and a second transverse groove is provided on the outer wall of the side panel below the first transverse groove, and an inclined groove is provided at one end of the second transverse groove, and the inclined groove extends to the bottom end of the side panel.

[0005] As a further solution of the present invention: the positioning mechanism also includes a fixed shaft, the fixed shaft is fixedly connected to the outer wall of the side plate at one end of the first transverse groove, the inner wall of the first transverse groove is slidably connected with a movable shaft, the outer wall of the movable shaft is installed with a connecting rope, one end of the connecting rope is connected to a connecting frame, the connecting frame is slidably connected to the inner wall of the second transverse groove, the bottom end of the connecting frame is fixedly connected with a counterweight block, the bottom end of the movable frame is provided with a groove, the outer wall of the movable frame is located above the groove and has a connecting groove, the interior of the movable frame is slidably connected with a card block extending to the inner cavity of the connecting groove, and a spring is connected between the card block and the movable frame.

[0006] As a further scheme of the present invention: the docking mechanism includes a docking block, the docking block is fixedly connected to the outer walls of the buoyancy box, the mounting seat and the side panel, the outer wall of the docking block is provided with a fixing groove, a docking seat is arranged between the buoyancy boxes, the bottom end of the docking seat is provided with a square groove, the inner wall of the square groove is slidably connected with a square block, the bottom end of the square block is fixedly connected with a bottom plate, the top end of the bottom plate is fixedly connected with a fixing block, the bottom end of the docking seat is located above the fixed block and is provided with a slot, the top end of the docking seat is rotatably connected with a rotating disk, the bottom end of the rotating disk is fixedly connected with a third threaded rod, and the third threaded rod extends to the interior of the square block.

[0007] As a further solution of the present invention: the first spur gear is meshed with the second spur gear, a first threaded hole is formed at the top of the rotating seat, and the first threaded hole matches the first threaded rod.

[0008] As a further solution of the present invention: the inner wall of the mounting frame is fitted with the outer wall of the movable frame, the outer wall of the movable frame is provided with a second threaded hole, and the second threaded hole matches the second threaded rod.

[0009] As a further solution of the present invention: the outer wall of the connecting frame fits with the inner walls of the second transverse groove and the inclined groove, the outer wall of the connecting frame fits with the inner wall of the groove, and the bottom end of the movable frame is flush with the bottom end of the inner wall of the second transverse groove.

[0010] As a further solution of the present invention: the inner wall of the connecting groove fits with the outer wall of the movable shaft, and the inner wall of the first transverse groove fits with the outer wall of the movable shaft.

[0011] As a further solution of the present invention: the shape of the clamping block is L-shaped, and an inclined surface is provided at one end of the clamping block located in the inner cavity of the connecting groove.

[0012] As a further solution of the present invention: the inner wall of the square groove fits with the outer wall of the square block, and a third threaded hole is opened at the top of the square block, and the third threaded hole matches with the third threaded rod.

[0013] As a further solution of the present invention: the inner walls of the slot and the fixing slot are both in contact with the outer wall of the fixing block.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. By setting up a pontoon, the movement of the pontoon can synchronously drive the gate to move. When the gate moves to the predetermined position, the position of the pontoon is positioned by the positioning mechanism, and then the second motor is started. The operation of the second motor drives the second spur gear to rotate, and the rotation of the second spur gear drives the first spur gear to rotate. The rotation of the first spur gear drives the rotating seat to rotate. The rotation of the rotating seat drives the first threaded rod to move. The displacement of the first threaded rod drives the baffle to move, which is convenient for blocking the breach of the dike or at the river mouth.

[0015] 2. By setting up a positioning mechanism, the first motor drives the movable frame to slide, and the movable frame displacement drives the counterweight block to move through the connecting frame until the connecting frame moves into the inclined groove, and the connecting frame slides along the inclined groove and falls to the bottom of the river channel. At the same time, the movable frame continues to move until the connecting frame is positioned in the connecting groove, and then the first motor drives the movable frame to move in the opposite direction, and the displacement of the movable frame drives the movable shaft to move synchronously, thereby tightening the connecting rope, which is convenient for positioning the position of the pontoon.

[0016] 3. By setting a docking mechanism, when connecting the pontoon, the mounting seat and the side panel, the pontoon is spliced ​​so that multiple docking blocks are close to each other, the docking block is moved to the top of the fixed block, and the rotating disk is rotated. The rotation of the rotating disk drives the third threaded rod to rotate, and the rotation of the third threaded rod drives the square block to slide in the square groove. The displacement of the square block drives the displacement of the bottom plate, and the displacement of the bottom plate drives the displacement of the fixed block. The fixed block moves through the fixed groove and connects to the slot, which is convenient for docking operations between multiple pontoons and convenient for installation operations of the mounting seat and the side panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a schematic diagram of the internal structure of the installation frame of the present invention; Figure 3 It is a schematic diagram of installing the mounting frame of the present invention on the buoyancy box; Figure 4 It is a structural schematic diagram of the movable frame of the present invention; Figure 5 It is a structural schematic diagram of the side plate of the present invention; Figure 6 It is a schematic diagram of the split structure of the movable frame and the side panels of the present invention; Figure 7 It is a structural schematic diagram of the docking seat of the present invention; Figure 8 It is a schematic diagram of the installation of the docking block of the present invention; Fig. 9 It is a schematic diagram of the internal structure of the docking seat of the present invention.

[0018] In the figure: 1, floating box; 2, mounting seat; 3, mounting frame; 4, baffle; 5, first threaded rod; 6, positioning mechanism; 601, mounting frame; 602, movable frame; 603, first motor; 604, second threaded rod; 605, side plate; 606, first transverse groove; 607, second transverse groove; 608, inclined groove; 609, fixed shaft; 610, movable shaft; 611, connecting rope; 612, connecting frame; 613, counterweight; 614, groove; 615, connecting groove; 616, clamping block; 617, spring; 7, docking mechanism; 701, docking block; 702, fixing groove; 703, docking seat; 704, square groove; 705, square block; 706, bottom plate; 707, fixing block; 708, slot; 709, third threaded rod; 710, rotating disk; 8, mounting cylinder; 9, rotating seat; 10, first spur gear; 11, connecting seat; 12, second motor; 13, second spur gear. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. The following is an explanation of an embodiment of the present invention based on the overall structure of the present invention.

[0021] See also Figures 1 to 9 In an embodiment of the present invention, a pontoon structure with a gate blocking device includes a plurality of pontoons 1 spliced ​​with each other, a mounting seat 2 is installed at one end of the pontoon 1, a mounting frame 3 is fixedly connected to the inner wall of the mounting seat 2, a baffle 4 is slidably connected to the inner wall of the mounting frame 3, a first threaded rod 5 is fixedly connected to the top of the baffle 4, a mounting tube 8 is fixedly connected to the top of the mounting frame 3, a rotating seat 9 is rotatably connected to the top of the mounting tube 8, the first threaded rod 5 passes through the rotating seat 9, a first spur gear 10 is fixedly connected to the outer wall of the rotating seat 9, a connecting seat 11 is fixedly connected to the top of the mounting frame 3 on one side of the mounting tube 8, a second motor 12 is installed at the top of the connecting seat 11, a second spur gear 13 is connected to the output end of the second motor 12, the first spur gear 10 is in contact with the second spur gear 13, the position of the pontoon 1 is positioned by a positioning mechanism 6, and a plurality of pontoons 1 are connected by a docking mechanism 7.

[0022] In this embodiment: the movement of the pontoon 1 drives the gate composed of the installation frame 3 and the baffle 4 to move. After the pontoon 1 and the gate are moved to the predetermined position by a water vehicle, the position of the pontoon 1 is positioned by the positioning mechanism 6, and then the second motor 12 is started. The operation of the second motor 12 drives the second spur gear 13 to rotate, and the rotation of the second spur gear 13 drives the first spur gear 10 to rotate. The rotation of the first spur gear 10 drives the rotating seat 9 to rotate, and the rotation of the rotating seat 9 drives the first threaded rod 5 to move. The displacement of the first threaded rod 5 drives the baffle 4 to move along the guide groove on the inner side of the installation frame. When the baffle 4 moves to the upper limit position, it can block the internal space of the installation frame 3, thereby blocking the breach or the estuary; when it is necessary to open the gate, the second motor 12 is rotated in the opposite direction, so that the baffle 4 moves down along the installation frame 3, and different degrees of gate opening and flood discharge operations can be achieved.

[0023] It should be pointed out that this embodiment only involves major functional components. When the estuary area to be blocked is large, the width of the side frames of the installation frame 3 can be widened or fixing plates can be installed on both sides of the installation frame 3 to increase the blocking surface.

[0024] Please refer to Figures 1 to 6 The positioning mechanism 6 includes a mounting frame 601, which is fixedly connected to the top of the pontoon 1. The inner wall of the mounting frame 601 is slidably connected to a movable frame 602. A first motor 603 is installed on the outer wall of the mounting frame 601. The output end of the first motor 603 is connected to a second threaded rod 604. The second threaded rod 604 runs through the movable frame 602. Side panels 605 are symmetrically installed on both sides of the pontoon 1. The outer wall of the side panel 605 is provided with a first transverse groove 606. The outer wall of the side panel 605 is provided with a second transverse groove 607 below the first transverse groove 606. An oblique groove 608 is provided at one end of the second transverse groove 607. The oblique groove 608 extends to the bottom end of the side panel 605. The positioning mechanism 6 also includes a fixed shaft 609. The fixed shaft 609 is fixedly connected to the outer wall of the side plate 605 at one end of the first transverse groove 606, and the inner wall of the first transverse groove 606 is slidably connected with a movable shaft 610. The outer wall of the movable shaft 610 is installed with a connecting rope 611, and one end of the connecting rope 611 is connected to a connecting frame 612. The connecting frame 612 is slidably connected to the inner wall of the second transverse groove 607, and the bottom end of the connecting frame 612 is fixedly connected with a counterweight block 613. A groove 614 is provided at the bottom end of the movable frame 602, and a connecting groove 615 is provided on the outer wall of the movable frame 602 above the groove 614. The interior of the movable frame 602 is slidably connected with a block 616 extending to the inner cavity of the connecting groove 615, and a spring 617 is connected between the block 616 and the movable frame 602.

[0025] In this embodiment: when the pontoon 1 is moved, the counterweight 613 is located at one end away from the mounting frame 3. When the position of the pontoon 1 is positioned, the first motor 603 is started, and the operation of the first motor 603 drives the second threaded rod 604 to rotate. The rotation of the second threaded rod 604 drives the movable frame 602 to slide in the mounting frame 601. At this time, the connecting frame 612 is located in the groove 614. The movable frame 602 is displaced and drives the counterweight 613 to move through the connecting frame 612 until the connecting frame 612 moves into the inclined groove 608. The connecting frame 612 slides along the inclined groove 608 and gradually moves out of the groove 614. The connecting frame 61 2 slides down along the inclined groove 608 to the bottom of the river channel, and the movable frame 602 continues to move until the movable shaft 610 enters and exits the connecting groove 615, and the connecting groove 615 pushes the block 616 to move, causing compression on the spring 617, until the connecting frame 612 passes over the block 616, and the block 616 moves into the connecting groove 615 under the elastic force of the spring 617, positioning the connecting frame 612 in the connecting groove 615, and then the first motor 603 drives the movable frame 602 to move in the opposite direction, and the displacement of the movable frame 602 drives the movable shaft 610 to move synchronously, thereby tightening the connecting rope 611, and then positioning the position of the buoyancy box 1.

[0026] Please refer to Figures 7 to 9 The docking mechanism 7 includes a docking block 701, which is fixedly connected to the outer walls of the pontoon 1, the mounting seat 2 and the side plate 605. A fixing groove 702 is provided on the outer wall of the docking block 701. A docking seat 703 is arranged between the pontoons 1. A square groove 704 is provided at the bottom end of the docking seat 703. A square block 705 is slidably connected to the inner wall of the square groove 704. The bottom end of the square block 705 is fixedly connected to a bottom plate 706. The top of the bottom plate 706 is fixedly connected to a fixing block 707. The bottom end of the docking seat 703 is located above the fixing block 707 and is provided with a slot 708. The top of the docking seat 703 is rotatably connected to a rotating disk 710. The bottom end of the rotating disk 710 is fixedly connected to a third threaded rod 709, and the third threaded rod 709 extends to the interior of the square block 705.

[0027] In this embodiment: when connecting the pontoon 1, the mounting seat 2 and the side plate 605, the pontoon 1 is spliced ​​so that the multiple docking blocks 701 are close to each other, and each docking block 701 is moved to the top of the fixed block 707, and the rotating disk 710 is rotated. The rotation of the rotating disk 710 drives the third threaded rod 709 to rotate, and the rotation of the third threaded rod 709 drives the square block 705 to slide in the square groove 704. The displacement of the square block 705 drives the bottom plate 706 to move, and the displacement of the bottom plate 706 drives the fixed block 707 to move. The fixed block 707 moves through the fixed groove 702 and connects into the slot 708, which is convenient for docking operations between multiple pontoons 1 and convenient for installation operations of the mounting seat 2 and the side plate 605.

[0028] Please refer to Figure 1 to Figure 2 The first spur gear 10 is meshed with the second spur gear 13 , and a first threaded hole is provided at the top of the rotating seat 9 , and the first threaded hole matches the first threaded rod 5 .

[0029] In this embodiment: the operation of the second motor 12 drives the second spur gear 13 to rotate, the rotation of the second spur gear 13 drives the first spur gear 10 to rotate, the rotation of the first spur gear 10 drives the rotating seat 9 to rotate, the rotation of the rotating seat 9 drives the first threaded rod 5 to move, and the displacement of the first threaded rod 5 drives the baffle 4 to move.

[0030] Please refer to Figure 3 to Figure 4 The inner wall of the mounting frame 601 fits with the outer wall of the movable frame 602 , and the outer wall of the movable frame 602 is provided with a second threaded hole, which matches the second threaded rod 604 .

[0031] In this embodiment, the operation of the first motor 603 drives the second threaded rod 604 to rotate, and the rotation of the second threaded rod 604 drives the movable frame 602 to slide in the mounting frame 601 .

[0032] Please refer to Figures 4 to 6 The outer wall of the connecting frame 612 is in contact with the inner walls of the second transverse groove 607 and the inclined groove 608 , the outer wall of the connecting frame 612 is in contact with the inner wall of the groove 614 , and the bottom end of the movable frame 602 is flush with the bottom end of the inner wall of the second transverse groove 607 .

[0033] In this embodiment: the movable frame 602 slides in the installation frame 601, and the connecting frame 612 is located in the groove 614. The movable frame 602 is displaced through the connecting frame 612 to drive the counterweight block 613 to move until the connecting frame 612 moves into the inclined groove 608. The connecting frame 612 slides along the inclined groove 608 and gradually moves out of the groove 614, and the connecting frame 612 slides and falls along the inclined groove 608.

[0034] Please refer to Figures 4 to 6 The inner wall of the connecting groove 615 fits with the outer wall of the movable shaft 610 , the inner wall of the first transverse groove 606 fits with the outer wall of the movable shaft 610 , the shape of the clamping block 616 is L-shaped, and one end of the clamping block 616 located in the inner cavity of the connecting groove 615 is provided with a slope.

[0035] In this embodiment: the movable frame 602 continues to move until the movable shaft 610 enters and exits the connecting groove 615, and the connecting groove 615 pushes the block 616 to move, causing compression on the spring 617 until the connecting frame 612 passes over the block 616. The block 616 moves into the connecting groove 615 under the elastic force of the spring 617, positioning the connecting frame 612 in the connecting groove 615.

[0036] Please refer to Figures 7 to 9 The inner wall of the square groove 704 fits with the outer wall of the square block 705 , and a third threaded hole is opened at the top of the square block 705 , and the third threaded hole matches the third threaded rod 709 .

[0037] In this embodiment, the rotating disk 710 is rotated, and the rotation of the rotating disk 710 drives the third threaded rod 709 to rotate, and the rotation of the third threaded rod 709 drives the square block 705 to slide in the square groove 704, and the displacement of the square block 705 drives the bottom plate 706 to move.

[0038] Please refer to Figures 7 to 9 The inner walls of the slot 708 and the fixing slot 702 are both in contact with the outer wall of the fixing block 707 .

[0039] In this embodiment, the displacement of the bottom plate 706 drives the fixed block 707 to move, and the fixed block 707 moves through the fixed groove 702 and connects to enter the slot 708 .

[0040] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A buoyancy tank structure with a gate blocking device, comprising a plurality of buoyancy tanks (1) connected to each other, a mounting seat (2) being installed at one end of the buoyancy tank (1), a mounting frame (3) being fixedly connected to the inner wall of the mounting seat (2), a baffle (4) being slidably connected to the inner wall of the mounting frame (3), a first threaded rod (5) being fixedly connected to the top end of the baffle (4), a mounting tube (8) being fixedly connected to the top end of the mounting tube (8), a rotating seat (9) being rotatably connected to the top end of the mounting tube (8), the first threaded rod (5) passing through the rotating seat (9), a first spur gear (10) being fixedly connected to the outer wall of the rotating seat (9), a connecting seat (11) being fixedly connected to the top end of the connecting seat (11), a second motor (12) being installed at the top end of the connecting seat (11), a second spur gear (13) being connected to the output end of the second motor (12), the first spur gear (10) being in contact with the second spur gear (13), and characterized in that: The position of the buoyancy box (1) is positioned by a positioning mechanism (6), and a plurality of buoyancy boxes (1) are connected by a docking mechanism (7); The positioning mechanism (6) comprises a mounting frame (601), wherein the mounting frame (601) is fixedly connected to the top of the buoyancy box (1), the inner wall of the mounting frame (601) is slidably connected to a movable frame (602), the outer wall of the mounting frame (601) is mounted with a first motor (603), the output end of the first motor (603) is connected with a second threaded rod (604), the second threaded rod (604) passes through the movable frame (602), and side panels (605) are symmetrically mounted on both sides of the buoyancy box (1), the outer wall of the side panel (605) is provided with a first transverse groove (606), the outer wall of the side panel (605) is provided with a second transverse groove (607) below the first transverse groove (606), one end of the second transverse groove (607) is provided with an inclined groove (608), and the inclined groove (608) extends to the bottom end of the side panel (605).

2. A buoyancy tank structure with a gate blocking device according to claim 1, characterized in that: The positioning mechanism (6) further comprises a fixed shaft (609), the fixed shaft (609) being fixedly connected to the outer wall of the side plate (605) and located at one end of the first transverse groove (606), the inner wall of the first transverse groove (606) being slidably connected to a movable shaft (610), the outer wall of the movable shaft (610) being installed with a connecting rope (611), one end of the connecting rope (611) being connected to a connecting frame (612), the connecting frame (612) being slidably connected to the second transverse groove (607) ), a counterweight (613) is fixedly connected to the bottom end of the connecting frame (612), a groove (614) is provided at the bottom end of the movable frame (602), a connecting groove (615) is provided on the outer wall of the movable frame (602) above the groove (614), a clamping block (616) extending to the inner cavity of the connecting groove (615) is slidably connected inside the movable frame (602), and a spring (617) is connected between the clamping block (616) and the movable frame (602).

3. A buoyancy tank structure with a gate blocking device according to claim 2, characterized in that: The docking mechanism (7) comprises a docking block (701), the docking block (701) being fixedly connected to the outer wall of the buoyancy box (1), the mounting seat (2) and the side plate (605), the outer wall of the docking block (701) being provided with a fixing groove (702), a docking seat (703) being provided between the buoyancy boxes (1), a square groove (704) being provided at the bottom end of the docking seat (703), a square block (705) being slidably connected to the inner wall of the square groove (704), and the square block (705) being provided with a fixing groove (702) and a fixing groove (702) being provided on the outer wall of the buoyancy box (1). The bottom end of the docking seat (703) is fixedly connected to a bottom plate (706), the top end of the bottom plate (706) is fixedly connected to a fixed block (707), the bottom end of the docking seat (703) is located above the fixed block (707) and is provided with a slot (708), the top end of the docking seat (703) is rotatably connected to a rotating disk (710), the bottom end of the rotating disk (710) is fixedly connected to a third threaded rod (709), and the third threaded rod (709) extends to the interior of the square block (705).

4. A buoyancy tank structure with a gate blocking device according to claim 1, characterized in that: The first spur gear (10) is meshed with the second spur gear (13); a first threaded hole is provided at the top of the rotating seat (9); the first threaded hole matches the first threaded rod (5).

5. A buoyancy tank structure with a gate blocking device according to claim 2, characterized in that: The inner wall of the mounting frame (601) fits with the outer wall of the movable frame (602); the outer wall of the movable frame (602) is provided with a second threaded hole, and the second threaded hole matches the second threaded rod (604).

6. A buoyancy tank structure with a gate blocking device according to claim 2, characterized in that: The outer wall of the connecting frame (612) fits with the inner walls of the second transverse groove (607) and the inclined groove (608), the outer wall of the connecting frame (612) fits with the inner wall of the groove (614), and the bottom end of the movable frame (602) is flush with the bottom end of the inner wall of the second transverse groove (607).

7. A buoyancy structure with a gate blocking device according to claim 2, characterized in that: The inner wall of the connecting groove (615) fits with the outer wall of the movable shaft (610), and the inner wall of the first transverse groove (606) fits with the outer wall of the movable shaft (610).

8. The buoyancy tank structure with a gate blocking device according to claim 2, characterized in that: The shape of the clamping block (616) is L-shaped, and an inclined surface is provided at one end of the clamping block (616) located in the inner cavity of the connecting groove (615).

9. A buoyancy tank structure with a gate blocking device according to claim 3, characterized in that: The inner wall of the square groove (704) fits with the outer wall of the square block (705); a third threaded hole is formed at the top of the square block (705); and the third threaded hole matches the third threaded rod (709).

10. A buoyancy tank structure with a gate blocking device according to claim 3, characterized in that: The inner walls of the slot (708) and the fixing slot (702) are both in contact with the outer wall of the fixing block (707).

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