A topside dry chamber cabin work platform for underwater maintenance

Abstract

The utility model discloses a kind of water dry room cabin operation platforms for underwater overhaul, including water buoyant platform, passage is provided on water buoyant platform, support springboard is installed in passage, the opening and closing device of two sides is respectively connected with the support springboard of two sides, support frame is also installed on water buoyant platform above passage, first winch is also installed on water buoyant platform, first cable one end is installed and wound on first winch, and the other end is connected with dry room cabin after passing through support frame. Water buoyant platform can transport dry room cabin to construction position, when opening and closing device drive support springboard is closed, dry room cabin is placed on support springboard, when support springboard is overturned downward, dry room cabin is released, by first winch, first cable is released, dry room cabin is gradually lowered, when first winch is rewound first cable, dry room cabin is recycled, finally is lifted to passage, to solve the problem of dry room cabin transportation and release.

Description

Technical Field

[0001] This utility model relates to the field of water conservancy engineering maintenance technology, and in particular to a floating dry compartment operation platform for underwater maintenance. Background Technology

[0002] During the operation of water conservancy projects, under the influence of external natural environments such as temperature changes, water flow, sand flow, alternating wet and dry conditions, and freeze-thaw cycles, underwater concrete structures, including the upstream vertical surfaces, slopes, and tortuous surfaces of dams, often experience defects such as scouring, spalling, and cracking. For flood discharge and energy dissipation structures, underwater concrete is easily damaged by prolonged erosion from high-flow, high-speed sand-laden water and cavitation from high-speed air-laden water. Deformation and compression at structural joints can cause damage to the concrete at the joint edges and loss of the filling material within the joints. Temperature stress and structural forces can also cause cracks in the underwater concrete. To identify and repair defects in underwater concrete structures, existing technologies often employ dry chamber solutions. For example, Chinese patent document CN116240856A discloses a double-shell underwater concrete dry chamber repair method, which provides a double-shell underwater concrete dry chamber repair device, i.e., a dry chamber. However, how to transport and release the dry chamber remains a pressing issue. Utility Model Content

[0003] The purpose of this invention is to provide a surface dry compartment operation platform for underwater maintenance, so as to solve the problems of dry compartment transportation and release.

[0004] To achieve the above objectives, this utility model provides a floating dry compartment operation platform for underwater maintenance, including a floating buoyancy platform. A longitudinally penetrating channel is provided on the floating buoyancy platform. Supporting ramps are respectively installed on opposite sides of the bottom of the channel via a first pivot. Opening and closing devices are installed on the floating buoyancy platform at the positions corresponding to the supporting ramps on both sides. The opening and closing devices on both sides are respectively connected to the supporting ramps on both sides to drive the supporting ramps to rotate. The supporting ramps are used to place the dry compartment.

[0005] A support frame is installed above the passage on the floating platform. At least one first winch is also installed on the floating platform. One end of the first steel cable is installed and wound around the first winch, and the other end extends above the passage after passing around the support frame. The first steel cable is used to connect to the dry compartment.

[0006] At least two hinge plates are fixedly installed on the bottom of the support ramp on the side close to the buoyancy platform. The hinge plates extend a distance away from the support ramp. The end of the hinge plate away from the support ramp is hinged to the first hinge seat through the first pivot. The first hinge seat is fixedly installed on the bottom of the buoyancy platform.

[0007] The opening and closing device includes a second winch, one end of a second steel cable is installed and wound around the second winch, and the other end is connected to the support scaffold.

[0008] A pull seat is fixedly installed on the support platform, and a loop is provided at one end of the second steel cable that is connected to the support platform. The pull seat is connected to the loop of the second steel cable through a shackle.

[0009] Two opening and closing devices are installed at the positions of the support planks on each side.

[0010] The support frame includes an upper frame and legs fixed at the four corners of the upper frame. The legs are connected to a buoyancy platform on the water. The upper frame is located above the channel, and a first steel cable passes around the upper frame.

[0011] A fixed pulley is installed on the upper frame, and the first steel cable passes around the fixed pulley.

[0012] The support frame consists of a first swing frame and a second swing frame. The first swing frame includes a first C-shaped frame and legs connected to the two corners of the first C-shaped frame. The second swing frame includes a second C-shaped frame and legs connected to the two corners of the second C-shaped frame. The lower ends of the legs are hinged to a second hinge seat via a second pivot. The second hinge seat is fixedly installed on the water buoyancy platform. The first C-shaped frame and the second C-shaped frame abut against each other when closed. Hydraulic cylinders are installed on both sides of the water buoyancy platform, and the piston rod ends of the hydraulic cylinders on both sides are hinged to the first swing frame and the second swing frame, respectively.

[0013] Each outrigger on the floating platform is equipped with a hydraulic cylinder, and the piston rod end of the hydraulic cylinder is hinged to the outrigger.

[0014] The first C-shaped frame and the second C-shaped frame are respectively provided with a limiting groove and a limiting protrusion at their abutting ends. After the limiting protrusion is inserted into the limiting groove, the connecting pin passes through the limiting groove and the limiting protrusion to connect and fix the first C-shaped frame and the second C-shaped frame.

[0015] Compared with the prior art, this utility model has the following technical effects:

[0016] 1. This utility model relates to a buoyancy platform for transporting dry compartments and providing space for water operations. A channel is used to release the dry compartment, and a support ramp installed within the channel is used to place the dry compartment, enabling it to be positioned at the construction site. When the opening and closing device drives the support ramp to close, the dry compartment is placed on the ramp. When the ramp flips downwards, the dry compartment is released. A first steel cable is fixedly connected to the dry compartment. A first winch releases the first steel cable, gradually lowering the dry compartment. When the first winch rewinds the first steel cable, the dry compartment is retrieved and finally lifted back into the channel, thus solving the problem of transporting and releasing the dry compartment.

[0017] 2. The support frame of this utility model adopts an openable structure, which makes it easy to place the dry chamber on the support platform in the channel, or to lift the dry chamber out of the channel for maintenance.

[0018] 3. The first C-shaped frame and the second C-shaped frame of this utility model are respectively provided with a limiting groove and a limiting protrusion at their abutting ends. After the limiting protrusion is inserted into the limiting groove, the connecting pin passes through the limiting groove and the limiting protrusion to connect and fix the first C-shaped frame and the second C-shaped frame, thereby improving the stability of the first swing frame and the second swing frame when they are closed. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0021] Figure 2 for Figure 1 Enlarged structural diagram at point A in the middle.

[0022] Figure 3 This is a cross-sectional structural diagram showing the connection between the water buoyancy platform and the supporting gangway of this utility model.

[0023] Figure 4 This is a schematic diagram of the main structure of this utility model.

[0024] Figure 5 for Figure 4 Enlarged structural diagram at point B.

[0025] Figure 6 for Figure 4 Enlarged structural diagram at point C.

[0026] Figure 7 for Figure 6 Schematic diagram of the cross-sectional structure of DD.

[0027] Figure 8 This is a diagram showing the usage state of this utility model.

[0028] Figure label:

[0029] 10 buoyancy platform on water, 11 channel, 12 first hinge seat, 13 first pivot, 14 second hinge seat, 15 second pivot;

[0030] Support plank 20, hinge plate 21, pull seat 22, shackle 23;

[0031] Opening and closing device 30, second winch 31, second steel cable 32;

[0032] Support frame 40, upper frame 41, support leg 42, fixed pulley 43, first swing frame 44, first C-shaped frame 441, limiting groove 442, second swing frame 45, second C-shaped frame 451, limiting protrusion 452, connecting pin 46, hydraulic cylinder 47.

[0033] First winch 50, first steel cable 51;

[0034] Dry compartment 60. Detailed Implementation

[0035] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0036] Example 1:

[0037] See Figure 1 , 8 A floating dry compartment work platform for underwater maintenance includes a floating buoyancy platform 10. A longitudinally penetrating channel 11 is provided on the floating buoyancy platform 10. Support ramps 20 are hinged to opposite sides of the bottom of the channel 11 via first pivots 13. Opening and closing devices 30 are installed on the floating buoyancy platform 10 at the corresponding positions of the support ramps 20 on both sides. The opening and closing devices 30 on both sides are connected to the support ramps 20 on both sides to drive the support ramps 20 to rotate. A dry compartment 60 is placed on the support ramps 20. A support frame 40 is also installed on the floating buoyancy platform 10 above the channel 11. At least one first winch 50 is also installed on the floating buoyancy platform 10. One end of a first steel cable 51 is installed and wound around the first winch 50, and the other end extends above the channel 11 after passing over the support frame 40. The first steel cable 51 is used to connect to the dry compartment 60.

[0038] The floating platform 10 adopts a ship-like structure. A passageway 11 is used to release the dry compartment 60, and a supporting ramp 20 installed within the passageway 11 is used to place the dry compartment 60, thereby enabling the dry compartment 60 to be transported to the construction location. See also... Figure 3 When the opening and closing device 30 drives the support ramp 20 as shown in the figure, the dry compartment 60 is placed on the support ramp 20. When the support ramp 20 flips downward, the dry compartment 60 is released. The first steel cable 51 is connected and fixed to the dry compartment 60. The first winch 50 releases the first steel cable 51 to gradually lower the dry compartment 60. When the first winch 50 rewinds the first steel cable 51, the dry compartment 60 is retrieved and finally lifted into the channel 11.

[0039] It should be noted that the pipeline connecting to the dry chamber 60 is not shown in the figure. In actual application, when the dry chamber 60 is released or retrieved, the pipeline associated with the dry chamber 60 is also released or retrieved simultaneously.

[0040] See Figure 3 At least two hinge plates 21 are fixedly installed on the bottom of the support ramp 20 near the side of the buoyancy platform 10. The hinge plates 21 extend a certain distance away from the support ramp 20. The end of the hinge plate 21 away from the support ramp 20 is hinged to the first hinge seat 12 via the first pivot 13. The first hinge seat 12 is fixedly installed on the bottom of the buoyancy platform 10. With the above structure, when the support ramp 20 is opened, the support ramp 20 will flip to the outside of the channel 11, without occupying the space of the channel 11.

[0041] In this embodiment, see Figure 1 , 3 The opening and closing device 30 includes a second winch 31, a second steel cable 32 installed and wound on the second winch 31, and the other end connected to the support scaffold 20.

[0042] Specifically, see Figure 2 A pull seat 22 is fixedly installed on the support plank 20. A loop is provided at one end of the second steel cable 32 that is connected to the support plank 20. The pull seat 22 is connected to the loop of the second steel cable 32 through a shackle 23.

[0043] Of course, in addition to using a winch, the opening and closing device 30 can also use a hydraulic cylinder.

[0044] In this implementation example, see Figure 1 Two opening and closing devices 30 are installed at the positions corresponding to the support planks 20 on each side to improve the stability of opening and closing the support planks 20. When the support planks 20 are opened and closed, all four opening and closing devices 30 on both sides operate synchronously.

[0045] See Figure 1 The support frame 40 includes an upper frame 41 and support legs 42 at the four corners of the upper frame 41. The support legs 42 are welded to the water buoyancy platform 10 or fixed by bolts to the mounting plate. The upper frame 41 is located above the passage 11, and the first steel cable 51 passes around the upper frame 41. In this way, by retracting the first steel cable 51, the dry compartment 60 can be raised above the passage 11, facilitating the closure of the support ramp 20.

[0046] Further, see Figure 1 A fixed pulley 43 is installed on the upper frame 41, and the first steel cable 51 passes around the fixed pulley 43 to improve the flexibility and safety of the first steel cable 51 in raising and lowering.

[0047] Specifically, the fixed pulley 43 can be a grooved wheel that is directly rotatably mounted on the crossbeam of the upper frame 41 via bearings, or it can be a fixed pulley assembly with double-ear supports. That is, the grooved wheel is mounted on the central shaft via bearings, and the two ends of the central shaft are mounted on the double-ear supports. The double-ear supports are welded or fixed to the upper frame 41 by bolts, and the first steel cable 51 passes around this grooved wheel.

[0048] Example 2:

[0049] Based on Embodiment 1, in order to facilitate the placement of the dry chamber 60 onto the support platform 20 in the passage 11, or to lift the dry chamber 60 out of the passage 11 for maintenance, the support frame 40 adopts an openable structure.

[0050] Specifically, see Figure 4 , 5 The support frame 40 consists of a first swing frame 44 and a second swing frame 45. The first swing frame 44 includes a first C-shaped frame 441 and legs 42 connected to the two corners of the first C-shaped frame 441. The second swing frame 45 includes a second C-shaped frame 451 and legs 42 connected to the two corners of the second C-shaped frame 451. The lower ends of the legs 42 are hinged to the second hinge seat 14 via a second pivot 15. The second hinge seat 14 is fixedly installed on the water buoyancy platform 10. The first C-shaped frame 441 and the second C-shaped frame 451 abut against each other when closed. Hydraulic cylinders 47 are hinged to both sides of the first swing frame 44 and the second swing frame 45 on the water buoyancy platform 10. The piston rod ends of the hydraulic cylinders 47 on both sides are hinged to the first swing frame 44 and the second swing frame 45, respectively. The extension and retraction of the hydraulic cylinders 47 on both sides are controlled by the hydraulic system, thereby driving the opening and closing of the first swing frame 44 and the second swing frame 45, which facilitates the placement of the dry chamber 60 onto the support ramp 20 in the passage 11, or the lifting of the dry chamber 60 out for maintenance.

[0051] See Figure 4 When the hydraulic cylinder 47 retracts, the first swing frame 44 and the second swing frame 45 open to provide space for the installation or hoisting out of the dry compartment 60; when the hydraulic cylinder 47 extends, the first swing frame 44 and the second swing frame 45 close.

[0052] In this embodiment, a hydraulic cylinder 47 is installed on each outrigger 42 of the buoyancy platform 10, and the piston rod end of the hydraulic cylinder 47 is hinged to the outrigger 42. In use, the two hydraulic cylinders 47 on each side operate synchronously.

[0053] Furthermore, to improve the stability of the first swing frame 44 and the second swing frame 45 when they are closed, see [reference needed]. Figure 6 , 7The first C-shaped frame 441 and the second C-shaped frame 451 are respectively provided with a limiting groove 442 and a limiting protrusion 452 at their abutting ends. After the limiting protrusion 452 is inserted into the limiting groove 442, the connecting pin 46 passes through the limiting groove 442 and the limiting protrusion 452 to connect and fix the first C-shaped frame 441 and the second C-shaped frame 451.

[0054] Specifically, the first C-shaped frame 441 has a first through hole located at the position of the limiting groove 442, and the second C-shaped frame 451 has a second through hole located at the position of the limiting protrusion 452. When the limiting protrusion 452 is inserted into the limiting groove 442, the first swing frame 44 and the second swing frame 45 close together and abut against each other. The connecting pin 46 is then inserted into the first and second through holes to connect and fix the first C-shaped frame 441 and the second C-shaped frame 451. A nut can be installed at the end of the connecting pin 46 for fixation.

[0055] The method of use or principle of this utility model:

[0056] See Figure 1 , 8 When in use, the dry chamber 60 is placed on the support platform 20 in the passage 11, and the first steel cables 51 of the four first winches 50 are respectively passed around the four fixed pulleys 43 on the support frame 40 and then connected and fixed to the dry chamber 60.

[0057] See Figure 3 When the opening and closing device 30 drives the support ramp 20, as shown on the left side of the diagram, the dry compartment 60 is placed on the support ramp 20. When the support ramp 20 flips downwards, as shown on the side of the diagram, the dry compartment 60 is released. The first winch 50 releases the first steel cable 51, gradually lowering the dry compartment 60. When the first winch 50 rewinds the first steel cable 51, the dry compartment 60 is retrieved and lifted into the channel 11. Then, the opening and closing device 30 drives the support ramp 20 to close, finally placing the dry compartment 60 back onto the support ramp 20.

Claims

1. A surface dry compartment work platform for underwater maintenance, characterized in that: The system includes a floating platform (10), on which a longitudinal through channel (11) is provided. Supporting ramps (20) are hinged to the opposite sides of the bottom of the channel (11) via a first pivot (13). Opening and closing devices (30) are installed on the floating platform (10) at the positions corresponding to the supporting ramps (20) on both sides. The opening and closing devices (30) on both sides are connected to the supporting ramps (20) on both sides to drive the supporting ramps (20) to flip. Dry chambers (60) are placed on the supporting ramps (20). A support frame (40) is also installed on the buoyancy platform (10) above the passage (11). At least one first winch (50) is also installed on the buoyancy platform (10). One end of the first steel cable (51) is installed and wound around the first winch (50), and the other end extends over the support frame (40) to the passage (11). The first steel cable (51) is used to connect to the dry compartment (60).

2. The surface dry compartment work platform for underwater maintenance according to claim 1, characterized in that: At least two hinge plates (21) are fixedly installed on the bottom of the support ramp (20) on the side close to the water buoyancy platform (10). The hinge plates (21) extend a distance away from the support ramp (20). The end of the hinge plate (21) away from the support ramp (20) is hinged to the first hinge seat (12) through the first pivot (13). The first hinge seat (12) is fixedly installed on the bottom of the water buoyancy platform (10).

3. The surface dry compartment work platform for underwater maintenance according to claim 1, characterized in that: The opening and closing device (30) includes a second winch (31), one end of a second steel cable (32) is installed and wound around the second winch (31), and the other end is connected to the support scaffold (20).

4. The surface dry compartment work platform for underwater maintenance according to claim 3, characterized in that: A pull seat (22) is fixedly installed on the support plank (20). A loop is provided at one end of the second steel cable (32) that is connected to the support plank (20). The pull seat (22) is connected to the loop of the second steel cable (32) through a shackle (23).

5. The surface dry compartment work platform for underwater maintenance according to claim 1, 3, or 4, characterized in that: Two of the opening and closing devices (30) are installed at the positions of the support planks (20) on each side.

6. The surface dry compartment work platform for underwater maintenance according to claim 1, characterized in that: The support frame (40) includes an upper frame (41) and legs (42) fixed at the four corners of the upper frame (41). The legs (42) are connected to the water buoyancy platform (10). The upper frame (41) is located above the channel (11), and the first steel cable (51) passes around the upper frame (41).

7. The surface dry compartment work platform for underwater maintenance according to claim 6, characterized in that: A fixed pulley (43) is installed on the upper frame (41), and the first steel cable (51) passes over the fixed pulley (43).

8. The surface dry compartment work platform for underwater maintenance according to claim 6 or 7, characterized in that: The support frame (40) consists of a first swing frame (44) and a second swing frame (45). The first swing frame (44) includes a first C-shaped frame (441) and legs (42) connected to the two corners of the first C-shaped frame (441). The second swing frame (45) includes a second C-shaped frame (451) and legs (42) connected to the two corners of the second C-shaped frame (451). The lower end of the legs (42) is hinged to the second hinge seat (14) via a second pivot (15). The second hinge seat (14) is fixedly installed on the water buoyancy platform (10). The first C-shaped frame (441) and the second C-shaped frame (451) abut against each other when they are closed. Hydraulic cylinders (47) are hinged to both sides of the first swing frame (44) and the second swing frame (45) on the water buoyancy platform (10). The piston rod ends of the hydraulic cylinders (47) on both sides are hinged to the first swing frame (44) and the second swing frame (45) respectively.

9. The surface dry compartment work platform for underwater maintenance according to claim 8, characterized in that: The floating platform (10) is equipped with a hydraulic cylinder (47) for each outrigger (42), and the piston rod end of the hydraulic cylinder (47) is hinged to the outrigger (42).

10. The surface dry compartment work platform for underwater maintenance according to claim 8, characterized in that: The first C-shaped frame (441) and the second C-shaped frame (451) are respectively provided with a limiting groove (442) and a limiting protrusion (452) at their abutting ends. After the limiting protrusion (452) is inserted into the limiting groove (442), the connecting pin (46) passes through the limiting groove (442) and the limiting protrusion (452) to connect and fix the first C-shaped frame (441) and the second C-shaped frame (451).

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