A caisson pouring device and pouring method of a sea-crossing bridge

Abstract

The application discloses a caisson pouring device and pouring method of a sea-crossing bridge, and belongs to the technical field of caisson pouring of a sea-crossing bridge. The caisson pouring device comprises a ship body, a pouring boom is installed on the ship body, a pouring pipe is installed on the pouring boom, a movable discharging pipe is rotatably connected to the end of the pouring pipe, a sleeve seat is fixedly installed on the outer side of the pouring pipe, a movable seat is movably arranged on the outer side of the sleeve seat, a connecting seat is rotatably connected to the outer side of the movable seat, a driving assembly for driving the connecting seat to ascend and descend is arranged on the sleeve seat, a first connecting rod for driving the movable discharging pipe to move is connected between the movable seat and the movable discharging pipe, and a vibrating assembly is installed on the movable discharging pipe. The caisson pouring device and pouring method of the sea-crossing bridge realize uniform concrete discharging and pouring through the movable adjustable discharging pipe, and can automatically and efficiently vibrate the concrete in the pipe during the pouring process, thereby effectively preventing the pipe from being blocked.

Description

Technical Field

[0001] This invention relates to the field of caisson casting technology for cross-sea bridges, specifically to a caisson casting device and casting method for cross-sea bridges. Background Technology

[0002] As the core component of deep foundations for cross-sea bridges, caissons have advantages such as strong load-bearing capacity, good surge resistance, and adaptability to complex geological conditions in deep water. They are widely used in large-scale cross-sea projects such as cross-sea bridges and cross-sea tunnels. The casting quality of the caissons directly determines the load-bearing safety, corrosion resistance, durability, and service life of the cross-sea bridge foundation. The casting process must simultaneously cope with complex working conditions such as strong winds, high humidity, salt spray erosion, and tidal changes in the cross-sea environment, which places stringent requirements on the stability of the casting equipment, the continuity of the casting process, and the quality of concrete forming.

[0003] Existing technology (Chinese Patent No. CN217651832U, Publication Date: 2022-10-25) discloses a hoisting pump for caisson casting, including a fixed frame. The fixed frame includes an extension arm and a support column. The extension arm is arranged perpendicularly to the support column and rotatably connected to the top of the support column. A conveying pipeline is installed on the fixed frame, extending from the bottom of the support column to the end of the extension arm. A casting pipeline is connected below the inlet of the conveying pipeline, and the casting pipeline is rotatably connected to the conveying pipeline. Based on the above operation, not only can omnidirectional casting of the caisson be achieved, with high flexibility and greatly improved work efficiency, but the device is also economical and practical, saving manpower and material costs. Existing technology (Chinese Patent No. CN118273332A, Publication Date: 2024-07-02) This invention discloses a pouring device and its working method for building pile foundation construction, aiming to solve the technical problem of low efficiency in current building pile foundation pouring methods. The device includes a support frame. A concrete caisson is installed on the support frame, and a lifting mechanism is installed on the support frame relative to the concrete caisson. A compaction mechanism is installed at the bottom of the lifting mechanism. Concrete is injected through the inlet of the concrete caisson and flows out from the outlet. A vibrating motor and vibrating plate are installed at the outlet, which helps to increase the flow rate of concrete and improve pouring efficiency. The hydraulic cylinder of the lifting mechanism drives a hydraulic rod to press down a hydraulic frame plate. The hydraulic frame plate drives the compaction rod of the compaction mechanism to insert into the poured concrete. The servo motor of the compaction rod drives a bevel gear set to rotate a rotating shaft and a rocker block. The rocker block vibrates, achieving a compaction effect on the poured concrete, which helps to improve efficiency, shorten the construction period, and contribute to the development of the construction industry.

[0004] The existing caisson casting device uses a single casting conduit structure, which fixes the concrete drop position and requires manual adjustment of the pipe end. Furthermore, the single vertical pipe causes the concrete to fall too quickly, resulting in grout splashing and limited casting uniformity, thus exhibiting certain defects in use. Summary of the Invention

[0005] The purpose of this invention is to provide a caisson casting device and casting method for cross-sea bridges, in order to solve the problems mentioned in the background art. Currently, the caisson casting devices for cross-sea bridges on the market use a single casting conduit structure, which makes the concrete drop position fixed and requires manual adjustment of the pipe end. Furthermore, the single vertical pipe causes the concrete to fall too fast, resulting in slurry splashing and thus limited casting uniformity.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A caisson casting device for a cross-sea bridge includes a hull, on which a casting boom is installed, and a casting pipe is installed on the casting boom. A movable discharge pipe is rotatably connected to the end of the casting pipe, and a sleeve is fixedly installed on the outside of the casting pipe. A movable seat is movably fitted on the outside of the sleeve, and a connecting seat is rotatably connected to the outside of the movable seat. A drive assembly for adjusting the lifting of the connecting seat is provided on the sleeve, and a first connecting rod for driving the movable discharge pipe to move is connected between the movable seat and the movable discharge pipe. A transmission assembly for driving the movable seat to rotate is connected between the movable seat and the sleeve. A rubber cylinder is fixedly connected between the upper part of the sleeve and the upper end of the movable seat, and an air inlet pipe and an air outlet pipe communicating with the inner space of the rubber cylinder are installed on the sleeve. A vibrating assembly for vibrating and guiding concrete is installed on the movable discharge pipe.

[0008] Preferably, the movable discharge pipe is arranged in an inverted Y-shape, and the upper end of the movable discharge pipe is connected to the casting pipe.

[0009] Preferably, the drive assembly includes a drive motor fixedly mounted on the upper surface of the sleeve, and the output end of the drive motor is fixedly connected to a reciprocating lead screw, which passes through and is connected to the connecting seat.

[0010] Preferably, the outer side of the movable seat is symmetrically rotatably connected to a first connecting rod, and the lower end of the first connecting rod is rotatably connected to one side of the movable discharge pipe. The movable discharge pipe is made of elastic material, and during the lifting and lowering adjustment of the movable seat, the pipe end of the movable discharge pipe is swung and adjusted by pulling the first connecting rod.

[0011] Preferably, the transmission assembly includes a guide groove formed on the lower outer side of the sleeve, and the guide groove is spirally arranged. A ball bearing is embedded in the inner wall of the movable seat, and the ball bearing rolls along the guide groove. The movable seat rotates synchronously when it is raised and lowered on the outer side of the sleeve, and the movable discharge pipe rotates synchronously through the first connecting rod during the rotation of the movable seat.

[0012] Preferably, the rubber tube and the sleeve are coaxially arranged, and the movable seat cooperates with the sleeve to squeeze and twist the rubber tube during the upward rotation process.

[0013] Preferably, both the intake pipe and the exhaust pipe are equipped with a one-way valve structure, and the exhaust pipe is connected to the casting pipe, with the end of the exhaust pipe located inside the casting pipe tilted downwards.

[0014] Preferably, the vibrating assembly includes a rotating seat connected to the movable discharge pipe by a ball, and a vibrating rod is slidably disposed through the inner side of the rotating seat. The upper end of the vibrating rod is located on the upper inner side of the movable discharge pipe. A spring is fixedly connected between the rotating seat and the vibrating rod. An adjusting seat is connected to the outer side of the lower end of the vibrating rod. A second connecting rod is hinged between the adjusting seat and the two pipe sections at the lower part of the movable discharge pipe. The movable discharge pipe drives the vibrating rod to adjust its height through the second connecting rod and the adjusting seat.

[0015] Preferably, the adjusting seat has an arc-shaped groove, and a slider is fixedly connected to the outside of the vibrating rod. The slider and the groove are slidably connected. A rotating ring is rotatably connected to the lower surface of the upper part of the sleeve, and an actuating plate is elastically rotatably connected below the rotating ring. A pull rope is fixedly connected between the actuating plate and the lower part of the vibrating rod. When the air pressure inside the rubber cylinder increases, it expands laterally and pushes the actuating plate to rotate elastically. During the rotation of the actuating plate, the vibrating rod is pulled to rotate by the pull rope.

[0016] A method for casting caissons for a cross-sea bridge, the specific steps of which are as follows:

[0017] S1. Move the ship to the preset pouring position, control the pouring boom to adjust the position of the pouring pipe, so that the movable discharge pipe moves to the preset pouring position;

[0018] S2. Concrete is transported and poured through the pouring pipe. At the same time, the drive motor is started to drive the movable seat to lift and rotate. The movable seat drives the pipe at the bottom of the movable discharge pipe to adjust elastically through the first connecting rod to achieve uniform pouring. When the movable seat moves up, it squeezes and twists the rubber cylinder, so that the exhaust pipe delivers air to the pouring pipe.

[0019] S3. Simultaneously start the vibrator to vibrate the concrete inside the movable discharge pipe and avoid blockage. When the movable discharge pipe is blocked, the exhaust pipe cannot release the gas inside the rubber cylinder, causing the rubber cylinder to expand laterally under pressure. Then, the vibrator is rotated and adjusted by pulling the lever plate and the rope to improve the vibration effect.

[0020] Compared with the prior art, the beneficial effects of the present invention are:

[0021] The caisson casting device and casting method of this cross-sea bridge achieve uniform concrete feeding and casting through a movable and adjustable discharge pipe. It can also automatically and efficiently vibrate the concrete in the pipe during the casting process to effectively prevent the pipe from becoming blocked. The specific details are as follows.

[0022] 1. Equipped with a movable discharge pipe, the inverted Y-shaped movable discharge pipe can buffer the concrete falling from a high drop, preventing the slurry from splashing due to excessively fast falling speed. At the same time, the movable discharge pipe can divert and discharge the concrete, improving the uniformity of pouring.

[0023] 2. It is equipped with a movable seat, a connecting seat, and a first connecting rod. When the drive motor starts, it can drive the connecting seat to move the movable seat synchronously up and down. During the lifting and lowering of the movable seat, the lower opening of the movable discharge pipe will be adjusted through the first connecting rod, thereby adjusting the pouring position. At the same time, the movable seat will rotate synchronously during the lifting and lowering process, which further improves the uniformity of concrete pouring.

[0024] 3. Equipped with a rubber cylinder, an air inlet pipe, and an exhaust pipe, the movable seat moves upward and rotates, which, together with the upper part of the sleeve, squeezes and twists the rubber cylinder. The movable discharge pipe, the movable seat, and the rubber cylinder form a sealed cavity, allowing the gas inside the rubber cylinder to be discharged to the movable discharge pipe through the exhaust pipe, thus achieving auxiliary unblocking. When the movable seat resets, the air inlet pipe can draw in air again for subsequent use. After pouring is completed, the residual material can be cleaned by continuing to work on the movable seat, or the residual material can be rinsed by connecting a water pipe.

[0025] 4. Equipped with a vibrating rod, the movement of the first connecting rod can drive the adjusting seat and the vibrating rod to adjust the height through the second connecting rod, thereby adjusting the vibration position. When a certain blockage occurs inside the movable discharge pipe, the exhaust pipe will be blocked from venting, causing the rubber cylinder to expand laterally under pressure, which in turn pushes the actuating plate. The actuating plate then pulls the vibrating rod to rotate and adjust through the pull rope, further improving the vibration effect and achieving efficient unblocking. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the main structure of the present invention;

[0027] Figure 2 This is a schematic diagram of the connection structure between the casting pipe and the movable discharge pipe of the present invention;

[0028] Figure 3 This is a bottom view of the structure of the movable discharge pipe of the present invention;

[0029] Figure 4 This is a cross-sectional structural diagram of the casting pipe and movable discharge pipe of the present invention;

[0030] Figure 5 For the present invention Figure 4 Enlarged structural diagram at point A in the middle;

[0031] Figure 6 This is a schematic diagram of the connection structure between the sleeve and the movable seat of the present invention;

[0032] Figure 7 This is a schematic diagram showing the disassembled structure of the sleeve, movable seat, and rubber sleeve of the present invention;

[0033] Figure 8 This is a schematic diagram of the connection structure between the movable discharge pipe and the adjusting seat of the present invention;

[0034] Figure 9 This is a schematic diagram of the vibratory rod installation structure of the present invention;

[0035] Figure 10 This is a schematic diagram of the connection structure between the vibrator and the adjusting seat of the present invention.

[0036] In the diagram: 1. Hull; 2. Casting boom; 3. Casting pipe; 4. Movable discharge pipe; 5. Sleeve; 6. Drive motor; 7. Reciprocating screw; 8. Movable seat; 9. Connecting seat; 10. First connecting rod; 11. Guide groove; 12. Ball bearing; 13. Rubber sleeve; 14. Air inlet pipe; 15. Exhaust pipe; 16. Rotating seat; 17. Vibrator; 18. Adjusting seat; 19. Second connecting rod; 20. Slide groove; 21. Sliding block; 22. Rotating ring; 23. Actuating plate; 24. Pull rope. Detailed Implementation

[0037] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0038] Example 1: Existing caisson casting devices for cross-sea bridges use a single vertical duct for concrete delivery. This makes it easy for slurry to splash after the concrete is dropped from a high drop, resulting in limited casting uniformity and requiring manual adjustment. To solve this technical problem, this example discloses the following technical content. Please refer to [link / reference]. Figures 1-8 As shown; a caisson casting device for a cross-sea bridge includes a hull 1, a casting boom 2 installed on the hull 1, and a casting pipe 3 installed on the casting boom 2. The end of the casting pipe 3 is rotatably connected to a movable discharge pipe 4. The movable discharge pipe 4 is a reinforced composite elastic pipe, consistent with the flexible conveying hose at the end of existing concrete pump trucks. A sleeve 5 is fixedly installed on the outside of the casting pipe 3, and a movable seat 8 is rotatably fitted on the outside of the sleeve 5. A connecting seat 9 is rotatably connected to the outside of the movable seat 8. A drive assembly for driving the connecting seat 9 to rise and fall is provided on the sleeve 5. A first connecting rod 10 for driving the movable discharge pipe 4 to move is connected between the movable seat 8 and the movable discharge pipe 4. A transmission assembly for driving the movable seat 8 to rotate is connected between the movable seat 8 and the sleeve 5.

[0039] The movable discharge pipe 4 is arranged in an inverted Y-shape, and its upper end is connected to the casting pipe 3. The drive assembly includes a drive motor 6 fixedly installed on the upper surface of the sleeve 5. The output end of the drive motor 6 is equipped with a torque damper to prevent overload. The output end of the drive motor 6 is fixedly connected to a reciprocating screw 7, which passes through and connects to the connecting seat 9. A first connecting rod 10 is symmetrically rotatably connected to the outer side of the movable seat 8, and the lower end of the first connecting rod 10 is rotatably connected to one side of the movable discharge pipe 4. Furthermore, the movable discharge pipe 4 is made of elastic material. During the lifting and adjustment of the movable seat 8, the pipe end of the movable discharge pipe 4 is swung and adjusted by the first connecting rod 10. The transmission component includes a guide groove 11 opened on the lower outer side of the sleeve 5, and the guide groove 11 is spirally arranged. The inner wall of the movable seat 8 is embedded with a ball bearing 12, and the ball bearing 12 rolls along the guide groove 11. The movable seat 8 rotates synchronously when it is lifted and adjusted on the outer side of the sleeve 5, and the movable discharge pipe 4 rotates synchronously through the first connecting rod 10 during the rotation of the movable seat 8.

[0040] The hull 1 is driven to the preset pouring position, and the pouring boom 2 is controlled to adjust the position of the pouring pipe 3, so that the movable discharge pipe 4 moves to the preset pouring position. Concrete is transported and poured through the pouring pipe 3. The inverted Y-shaped movable discharge pipe 4 can buffer the concrete with a high drop, avoiding the slurry splashing due to excessive drop speed. At the same time, the movable discharge pipe 4 can divert and discharge the concrete, improving the uniformity of pouring. The drive motor 6 is started, which drives the connecting seat 9 to drive the movable seat 8 to perform synchronous lifting and adjustment. During the lifting and lowering process, the movable seat 8 will adjust the lower pipe opening of the movable discharge pipe 4 through the first connecting rod 10, thereby adjusting the pouring position. At the same time, during the lifting and lowering process, the inner ball bearing 12 of the movable seat 8 will slide along the spiral guide groove 11 on the sleeve 5, thereby driving the movable seat 8 to rotate synchronously, which further improves the uniformity of concrete pouring.

[0041] Example 2: The technical content disclosed in this example is a further improvement based on Example 1. The caisson casting device for cross-sea bridges is inconvenient for simultaneous auxiliary dredging of the concrete inside the guide pipe, easily causing material blockage and residue. To further solve this technical problem, this example discloses the following technical content: Figures 4-10 As shown, a rubber cylinder 13 is fixedly connected between the upper part of the sleeve 5 and the upper end of the movable seat 8. An air inlet pipe 14 and an exhaust pipe 15 communicating with the inner space of the rubber cylinder 13 are installed on the sleeve 5. A vibrating component for vibrating and guiding concrete is installed on the movable discharge pipe 4.

[0042] The rubber cylinder 13 and the sleeve 5 are coaxially arranged, and during the upward rotation of the movable seat 8, it cooperates with the sleeve 5 to squeeze and twist the rubber cylinder 13. Both the air inlet pipe 14 and the exhaust pipe 15 are equipped with one-way valve structures, and the exhaust pipe 15 is connected to the pouring pipe 3. The port of the exhaust pipe 15 located on the inner side of the pouring pipe 3 is inclined downward. The vibrating assembly includes a rotating seat 16 with a ball connected to the movable discharge pipe 4, and a vibrating rod 17 is provided through the inner side of the rotating seat 16 with a sealing sliding. The upper end of the vibrating rod 17 is located on the upper inner side of the movable discharge pipe 4. At the same time, a spring is fixedly connected between the rotating seat 16 and the vibrating rod 17. An adjusting seat 18 is connected to the outer side of the lower end of the vibrating rod 17, and a second connecting rod 19 is hinged between the adjusting seat 18 and the two pipe sections at the lower part of the movable discharge pipe 4. Furthermore, the movable discharge pipe 4 drives the vibrator 17 to be raised and lowered through the second connecting rod 19 and the adjusting seat 18. The adjusting seat 18 has an arc-shaped sliding groove 20, and a slider 21 is fixedly connected to the outside of the vibrator 17. The slider 21 and the sliding groove 20 are slidably connected. A rotating ring 22 is rotatably connected to the upper and lower surfaces of the sleeve 5, and an actuating plate 23 is elastically rotatably connected below the rotating ring 22. A pull rope 24 is fixedly connected between the actuating plate 23 and the lower part of the vibrator 17. The pull rope 24 is made of high-strength stainless steel wire rope or ultra-high molecular weight polyethylene fiber rope. When the air pressure inside the rubber cylinder 13 increases, it expands laterally and pushes the actuating plate 23 to rotate elastically. During the rotation of the actuating plate 23, the pull rope 24 pulls the vibrator 17 to rotate.

[0043] During the pouring process, as the movable seat 8 moves upward and rotates, it works in conjunction with the upper part of the sleeve 5 to squeeze and twist the rubber cylinder 13. The movable discharge pipe 4, the movable seat 8, and the rubber cylinder 13 form a sealed cavity. As the cavity space is compressed, the gas inside the rubber cylinder 13 is discharged to the movable discharge pipe 4 through the exhaust pipe 15, thereby using air pressure to assist in unblocking. When the movable seat 8 resets, the air inlet pipe 14 can draw in air again for subsequent use. After the pouring is completed, the movable seat 8 can be controlled to continue working to clean up residual materials, or the residual materials can be rinsed by connecting a water pipe.

[0044] As the first connecting rod 10 moves, it drives the second connecting rod 19 to move synchronously through the lower part of the movable discharge pipe 4, thereby driving the adjusting seat 18 and the vibrating rod 17 to adjust their height and thus the vibration position. The vibrating rod 17 and the rotating seat 16, as well as the rotating seat 16 and the movable discharge pipe 4, all employ a sealed connection structure. The sealing structure between the vibrating rod 17 and the rotating seat 16 is designed as a multi-layered sealing combination, such as a multi-layered combined sealing structure of wear-resistant ceramic sealing rings and fluororubber sealing rings. When a certain degree of blockage occurs inside the movable discharge pipe 4, the exhaust pipe 15 will experience obstructed exhaust. The rubber cylinder 13 expands laterally under pressure. The actuating plate 23 is located on the upper side of the rubber cylinder 13, which pushes the actuating plate 23. The actuating plate 23 pulls the vibrator 17 through the pull rope 24 to rotate and adjust, further improving the vibration effect and achieving efficient unblocking. At the same time, the pull rope 24 is located on the outside of the pipeline and does not come into contact with the poured concrete aggregate. The pull rope 24 only pulls the vibrator 17 when there is a blockage inside the pipeline. It is not always in working condition. Therefore, the pull rope 24 experiences less wear during use and can effectively ensure long-term and stable transmission.

[0045] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0046] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A caisson casting device for a cross-sea bridge, comprising a hull (1), wherein a casting boom (2) is installed on the hull (1), and a casting pipe (3) is installed on the casting boom (2), characterized in that: The end of the pouring pipe (3) is rotatably connected to a movable discharge pipe (4), and a sleeve (5) is fixedly installed on the outside of the pouring pipe (3). A movable seat (8) is movably fitted on the outside of the sleeve (5), and a connecting seat (9) is rotatably connected to the outside of the movable seat (8). A drive assembly for driving the connecting seat (9) to rise and fall is provided on the sleeve (5), and a first connecting rod (10) for driving the movable discharge pipe (4) to move is connected between the movable seat (8) and the movable discharge pipe (4). A transmission assembly for driving the movable seat (8) to rotate is connected between the movable seat (8) and the sleeve (5). A rubber cylinder (13) is fixedly connected between the upper part of the sleeve (5) and the upper end of the movable seat (8), and an air inlet pipe (14) and an exhaust pipe (15) communicating with the inner space of the rubber cylinder (13) are installed on the sleeve (5). A vibrating assembly for vibrating and guiding concrete is installed on the movable discharge pipe (4).

2. The caisson casting device for a cross-sea bridge according to claim 1, characterized in that: The movable discharge pipe (4) is arranged in an inverted Y-shaped structure, and the upper end of the movable discharge pipe (4) is connected to the casting pipe (3).

3. The caisson casting device for a cross-sea bridge according to claim 1, characterized in that: The drive assembly includes a drive motor (6) fixedly installed on the upper surface of the sleeve (5), and the output end of the drive motor (6) is fixedly connected to a reciprocating lead screw (7), and the reciprocating lead screw (7) passes through the connecting seat (9) and is connected thereto.

4. The caisson casting device for a cross-sea bridge according to claim 1, characterized in that: The outer side of the movable seat (8) is symmetrically connected to the first connecting rod (10), and the lower end of the first connecting rod (10) is rotatably connected to one side of the movable discharge pipe (4). The movable discharge pipe (4) is made of elastic material. During the lifting and lowering adjustment of the movable seat (8), the pipe end of the movable discharge pipe (4) is swung and adjusted by the first connecting rod (10).

5. The caisson casting device for a cross-sea bridge according to claim 1, characterized in that: The transmission assembly includes a guide groove (11) opened on the lower outer side of the sleeve (5), and the guide groove (11) is spirally arranged. The inner wall of the movable seat (8) is embedded with a ball (12), and the ball (12) rolls along the guide groove (11). The movable seat (8) rotates synchronously when the sleeve (5) is raised and lowered. During the rotation of the movable seat (8), the movable discharge pipe (4) is driven to rotate synchronously through the first connecting rod (10).

6. The caisson casting device for a cross-sea bridge according to claim 1, characterized in that: The rubber tube (13) and the sleeve (5) are coaxially arranged, and the movable seat (8) cooperates with the sleeve (5) to squeeze and twist the rubber tube (13) during the upward rotation process.

7. A caisson casting device for a cross-sea bridge according to claim 6, characterized in that: Both the intake pipe (14) and the exhaust pipe (15) are equipped with a one-way valve structure, and the exhaust pipe (15) is connected to the casting pipe (3), and the port of the exhaust pipe (15) located inside the casting pipe (3) is inclined downward.

8. The caisson casting device for a cross-sea bridge according to claim 1, characterized in that: The vibrating assembly includes a rotating seat (16) connected to the movable discharge pipe (4) with a ball, and a vibrating rod (17) is provided through the inner side of the rotating seat (16) with a sealing sliding. The upper end of the vibrating rod (17) is located on the upper inner side of the movable discharge pipe (4). At the same time, a spring is fixedly connected between the rotating seat (16) and the vibrating rod (17). An adjusting seat (18) is connected to the outer side of the lower end of the vibrating rod (17). A second connecting rod (19) is hinged between the adjusting seat (18) and the two pipe parts at the lower part of the movable discharge pipe (4). The movable discharge pipe (4) drives the vibrating rod (17) to be raised and lowered through the second connecting rod (19) and the adjusting seat (18).

9. A caisson casting device for a cross-sea bridge according to claim 8, characterized in that: The adjusting seat (18) is provided with an arc-shaped groove (20), and a slider (21) is fixedly connected to the outside of the vibrating rod (17). The slider (21) and the groove (20) are slidably connected. A rotating ring (22) is rotatably connected to the upper lower surface of the sleeve (5), and an actuating plate (23) is elastically rotatably connected to the lower part of the rotating ring (22). A pull rope (24) is fixedly connected between the actuating plate (23) and the lower part of the vibrating rod (17). When the air pressure inside the rubber cylinder (13) increases, it expands laterally and pushes the actuating plate (23) to rotate elastically. During the rotation of the actuating plate (23), the vibrating rod (17) is pulled to rotate by the pull rope (24).

10. A method for casting caissons for a cross-sea bridge, applied to the caisson casting apparatus for a cross-sea bridge as described in any one of claims 1-9, characterized in that: The specific steps for pouring are as follows: S1. Move the hull (1) to the preset pouring position, control the pouring boom (2) to adjust the position of the pouring pipe (3), so that the movable discharge pipe (4) moves to the preset pouring position; S2. Concrete is transported and poured through the pouring pipe (3). At the same time, the drive motor (6) is started to drive the movable seat (8) to lift and rotate. The movable seat (8) drives the pipe at the bottom of the movable discharge pipe (4) to adjust elastically through the first connecting rod (10) to achieve uniform pouring. When the movable seat (8) moves up, it squeezes and twists the rubber cylinder (13), so that the exhaust pipe (15) delivers air to the pouring pipe (3). S3. Simultaneously start the vibrator (17) to vibrate the concrete inside the movable discharge pipe (4) to avoid blockage. When the movable discharge pipe (4) is blocked, the exhaust pipe (15) cannot discharge the gas inside the rubber cylinder (13), causing the rubber cylinder (13) to expand laterally under pressure. Then, the vibrator (17) is rotated and adjusted by the actuating plate (23) and the pull rope (24) to improve the vibration effect.

Images