Ship shafting transfer trolley

Abstract

The utility model relates to a ship shafting transfer trolley which comprises a trolley frame, a driving system and a V-shaped bracket are installed on the trolley frame, the driving system is used for driving the trolley frame to move on a rail, a shaft section is placed on the V-shaped bracket, a supporting mechanism and a vertical direction adjusting mechanism are arranged below the V-shaped bracket, and the V-shaped bracket is used for supporting the shaft section. The V-shaped bracket is arranged on the supporting mechanism, and the vertical direction adjusting mechanism is used for adjusting the height of the V-shaped bracket on the frame; first adjusting bolts are installed on the portions, located on the two sides of the V-shaped bracket, of the vehicle frame correspondingly and used for adjusting the position of the V-shaped bracket on the vehicle frame in the horizontal direction. The technical problems that a traditional shafting is low in transportation efficiency and large in potential safety hazard are solved, and the shafting conveying device has the advantages of being high in automation degree, accurate in adjusting precision, good in safety performance and the like.

Description

Technical Field

[0001] This utility model relates to the field of shipbuilding technology, and in particular to a ship shafting transfer trolley. Background Technology

[0002] Shafting provides propulsion for ships and is a crucial component ensuring their normal navigation. With the rapid development of the shipbuilding industry, shafting installation requirements are constantly increasing. As ship propulsion systems evolve, shafting systems are becoming increasingly complex and diverse, with stern shafts, propeller shafts, and intermediate shafts becoming longer and heavier. Traditional installation methods can no longer meet the needs of modern ship shafting installations, necessitating continuous exploration and research to improve shafting installation quality. To enhance shafting installation quality and safety, ongoing research into new tooling and equipment is essential, which is of great significance for improving shipbuilding skills.

[0003] In existing technologies, the shafting system provides propulsion for ships and is a crucial component ensuring their normal navigation. With the rapid development of the shipbuilding industry, the requirements for shafting installation are constantly increasing. Traditional installation methods can no longer meet the needs of modern ship shafting installations, necessitating continuous exploration and research to improve installation quality. Ship shafting systems are becoming increasingly complex and diverse; stern shafts, propeller shafts, and intermediate shafts are becoming longer and heavier, with single shafts reaching nearly 20 meters and weighing 30-40 tons. Traditional shaft section installation requires workers to use hand-operated hoists and winches to slowly move the shaft section into place through multiple relays, consuming significant manpower and resources. The installation process relies entirely on personnel coordination; even a slight mistake can damage the shaft section, causing substantial economic losses and delaying ship construction. Traditional shaft section transportation methods can no longer meet the demands of modern shipbuilding. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a ship shafting transfer trolley, which solves the technical problems of low efficiency and high safety hazards in traditional shafting transportation, and has the advantages of high automation, accurate adjustment and good safety performance.

[0005] The above-mentioned utility model objective is achieved through the following technical solution:

[0006] A ship shafting transfer trolley includes a frame, on which a drive system and a V-shaped bracket are mounted. The drive system is used to drive the frame to move on a track. The V-shaped bracket is used to place a shaft segment. A support mechanism and a vertical adjustment mechanism are provided below the V-shaped bracket. The V-shaped bracket is disposed on the support mechanism. The vertical adjustment mechanism is used to adjust the height of the V-shaped bracket on the frame.

[0007] The frame is equipped with first adjusting bolts on both sides of the V-shaped bracket. The first adjusting bolts are used to adjust the horizontal position of the V-shaped bracket on the frame.

[0008] As a further technical solution of this utility model: the drive system includes a motor and a gearbox, the motor is connected to the gearbox in a transmission, the bottom of the frame is provided with a rotating shaft that is connected to the gearbox in a transmission, and rollers are respectively installed at both ends of the rotating shaft, and the rollers are arranged on the track.

[0009] As a further technical solution of this utility model: the support mechanism includes a support beam, a wedge block and a second adjusting bolt, the V-shaped bracket is disposed on the support beam, the wedge block is disposed below the support beam, one end of the second adjusting bolt is fixedly connected to the wedge block, and the other end is threadedly connected to the vehicle frame.

[0010] As a further technical solution of this utility model: the wedge blocks are configured as two and are symmetrically arranged on both sides of the bottom of the support beam, and the bottom of the support beam has two inclined surfaces that match the top surface of the wedge blocks.

[0011] As a further technical solution of this utility model: the vertical adjustment mechanism includes a hydraulic cylinder, a high-pressure oil pipe and a hydraulic pump station. One end of the high-pressure oil pipe is connected to the hydraulic pump station and the other end is connected to the hydraulic cylinder. The hydraulic cylinder is mounted on the frame and the piston rod of the hydraulic cylinder abuts against the bottom of the support beam.

[0012] As a further technical solution of this utility model: the first adjusting bolt is threadedly connected to the frame, and one end of the first adjusting bolt abuts against the side wall of the V-shaped bracket.

[0013] As a further technical solution of this utility model: the V-shaped bracket includes two mounting plates placed on the support beam and V-shaped blocks respectively fixed on the two mounting plates, and the two mounting plates are connected by connecting pins.

[0014] As a further technical solution of this utility model: the surface of the roller is provided with an anti-deviation guide groove that matches the track.

[0015] In summary, this utility model has at least one of the following beneficial technical effects:

[0016] 1. This utility model discloses a ship shafting transfer trolley for installing stern shafts and propeller shafts. The trolley carries shaft sections along the shafting center, reaching designated positions via bearings, ensuring safe and reliable shaft section transportation and improving installation efficiency and quality. The ship shafting transfer trolley mainly consists of a motor, gearbox, connecting pins, frame, V-bracket, adjusting bolts, wedge blocks, support beams, hydraulic cylinders, rollers, high-pressure oil pipes, and a hydraulic pump station. This device features high automation, smooth operation, and high safety, effectively solving the technical problems of low efficiency and significant safety hazards in traditional shafting transportation.

[0017] 2. This utility model also has the following features:

[0018] High degree of automation: The shaft section is installed using a shaft transfer trolley, which can be operated by 1 to 2 people, reducing labor intensity and improving production efficiency.

[0019] Improve shaft system installation quality: The shaft system transfer trolley has strong load-bearing capacity, powerful motor, high adjustment precision, and smooth operation, thus improving the shaft system installation quality.

[0020] Improve shipbuilding technology: Ensure safe and reliable installation of ship shafting systems and enhance shipbuilding capabilities.

[0021] Providing high torque: Ship shafting systems are heavy, requiring extremely high torque to drive them. The internal shafting unit in this ship's shafting compartment amplifies the motor torque through a three-stage torque conversion process.

[0022] Highly adaptable: The V-shaped bracket design can meet the installation and transportation needs of shaft sections with different diameters, making it highly versatile.

[0023] Safe and reliable: Advanced safety protection measures are adopted to ensure the safety and reliability of the entire installation process. Attached Figure Description

[0024] Figure 1 This is a side view of the present invention.

[0025] Figure 2 This is a top view of the present invention.

[0026] Reference numerals: 1. Motor; 2. Gearbox; 3. Connecting pin; 4. Frame; 5. V-bracket; 6. First adjusting bolt; 7. Second adjusting bolt; 8. Wedge block; 9. Support beam; 10. Hydraulic cylinder; 11. Shaft section; 12. Roller; 13. Track; 14. High-pressure oil pipe; 15. Hydraulic pump station. Detailed Implementation

[0027] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0028] In the description of this application, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0029] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" 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 a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0030] Example 1: Refer to Figure 1 This utility model discloses a ship shafting transfer trolley, including a frame 4, a drive system and a V-shaped bracket 5 mounted on the frame 4. The drive system is used to drive the frame 4 to move on the track 13. The V-shaped bracket 5 is used to place the shaft segment 11. A support mechanism and a vertical adjustment mechanism are provided below the V-shaped bracket 5. The V-shaped bracket 5 is mounted on the support mechanism. The vertical adjustment mechanism is used to adjust the height of the V-shaped bracket 5 on the frame 4. First adjusting bolts 6 are respectively installed on both sides of the frame 4 at the V-shaped bracket 5. The first adjusting bolts 6 are used to adjust the horizontal position of the V-shaped bracket 5 on the frame 4.

[0031] The drive system includes a motor 1 and a gearbox 2. The motor 1 and the gearbox 2 are connected in a transmission connection. The bottom of the frame 4 is provided with a rotating shaft that is connected in a transmission connection with the gearbox 2. Rollers 12 are installed at both ends of the rotating shaft and are mounted on a track 13. The surface of the rollers 12 is provided with anti-deviation guide grooves that match the track 13.

[0032] The support mechanism includes a support beam 9, wedge blocks 8, and a second adjusting bolt 7. A V-shaped bracket 5 is mounted on the support beam 9, and the wedge blocks 8 are positioned below the support beam 9. One end of the second adjusting bolt 7 is fixedly connected to the wedge blocks 8, and the other end is threaded onto the frame 4. Two wedge blocks 8 are symmetrically positioned on both sides of the bottom of the support beam 9, and the bottom of the support beam 9 has two inclined surfaces that match the top surfaces of the wedge blocks 8.

[0033] The vertical adjustment mechanism includes a hydraulic cylinder 10, a high-pressure oil pipe 14, and a hydraulic pump station 15. One end of the high-pressure oil pipe 14 is connected to the hydraulic pump station 15, and the other end is connected to the hydraulic cylinder 10. The hydraulic cylinder 10 is mounted on the frame 4, and the piston rod of the hydraulic cylinder 10 abuts against the bottom of the support beam 9.

[0034] The first adjusting bolt 6 is threaded onto the frame 4, and one end of the first adjusting bolt 6 abuts against the side wall of the V-shaped bracket 5. The V-shaped bracket 5 includes two mounting plates placed on the support beam 9 and V-shaped blocks fixed to the two mounting plates respectively. The two mounting plates are connected by a connecting pin 3.

[0035] The frame 4 is the main frame of the entire axle transfer trolley; the support beam 9 is height-adjustable by the hydraulic cylinder 10, and the wedge block 8 is pressed against the support beam 9 by turning the second adjusting bolt 7. After the height of the hydraulic cylinder 10 is lowered, the axle section 11 is supported by the wedge block 8. The hydraulic cylinder 10 is only adjusted in height, so that the hydraulic cylinder 10 is not easily damaged; the hydraulic pump station 15 is connected to the hydraulic cylinder 10 through the high-pressure oil pipe 14 to provide stable and controllable oil pressure for the hydraulic cylinder 10; the V-shaped bracket 5 is placed on the support beam 9, and the left and right positions can be adjusted by turning the first adjusting bolt 6; the dual motor 1 design provides a large power to ensure the transport capacity. The motor 1 provides the power for the axle transfer trolley to move forward after being reduced by the reduction gearbox 2.

[0036] To achieve high-quality installation and improve the safety of ship shafting systems, a ship shafting transfer trolley is designed to ensure smooth transport of shaft segment 11. Shaft segment 11 is hoisted onto the trolley, which then transports it to the installation position. The V-shaped bracket 5 allows the trolley to accommodate various shaft segment 11 sizes. The V-shaped bracket 5 is detachable; after shaft segment 11 is in place, the pin of the V-shaped bracket 5 can be removed, allowing it to be disassembled into left and right parts and removed from the trolley, ensuring the trolley can be moved off the side of the track 13. Height is adjusted by the hydraulic cylinder 10, and left and right positions are adjusted by bolts to ensure the shaft segment 11 remains centered in the shafting system. The trolley features frequency conversion speed control, allowing for adjustable forward and reverse speeds; emergency stops are possible both locally and remotely; anti-slip design is included for stops or power outages; the hydraulic cylinder 10 adjusts the height, and wedge blocks 8 provide support upon reaching the desired position, ensuring trolley stability. Shaft segment 11 needs to pass through the bearing hole during installation. To prevent shaft segment 11 from colliding with the bearing, the forward movement of shaft segment 11 must be aligned with the center of the shaft system. The position of shaft segment 11 must be observed and adjusted continuously during its forward movement. The shaft system transfer trolley adjusts its height using hydraulic cylinder 10 and its left and right sides using bolts to ensure that the forward movement of shaft segment 11 always remains at the center of the shaft system.

[0037] The steps for transporting shaft section 11 using a ship shafting transfer trolley are as follows:

[0038] Step 1: Prepare for the transportation of shaft segment 11. Install track 13 on the transportation route of shaft segment 11. The track 13 needs to be laid parallel to the axis. Hoist the shaft transfer trolley onto the track 13.

[0039] Step 2: Install the shaft transfer trolley. The hydraulic pump station 15 is connected to the oil cylinder 10 via the high-pressure oil pipe 14. The shaft transfer trolley is wired and powered on. The electrical control box and remote control control the operation of the shaft transfer trolley respectively, and the function of the shaft transfer trolley is tested. The required linkage function is tested by having two shaft transfer trolleys transport one shaft segment 11 synchronously.

[0040] Step 3: The crane lifts the axle segment 11 onto the axle system transfer trolley, with the center of gravity of the axle segment 11 located between the two axle system transfer trolleys.

[0041] Step 4: Adjust the center of shaft segment 11 to be basically consistent with the center of the shaft system by adjusting the shaft system transfer trolley. Adjust the left and right position of shaft segment 11 by adjusting the first adjusting bolt 6, start the hydraulic pump station 15 to control the oil cylinder 10 to adjust the height of shaft segment 11, and then turn the second adjusting bolt 7 to make the wedge block 8 press against the support beam 9, lower the height of the oil cylinder 10, and the shaft segment 11 is supported by the wedge block 8. See Figure 1 .

[0042] Step 5: Control the shaft system transfer trolley to move forward slowly, and adjust the position of shaft segment 11 as needed to keep the center of shaft segment 11 consistent with the center of the shaft system, and finally transport shaft segment 11 to the position.

[0043] This invention designs a ship shafting transfer trolley, which can carry shaft segment 11 and move along the center of the shafting to a designated position via bearings. This achieves a high degree of automation in the transportation of shaft segment 11 and is of great significance for improving shipbuilding skills.

[0044] This utility model has the following features:

[0045] Reduce shaft installation risks: The shaft transfer trolley provides stable and adjustable transportation, ensuring the safe and reliable delivery of shaft segment 11 to its designated location. This effectively prevents shaft segment 11 from colliding with the bearing, thus reducing shaft installation risks.

[0046] Improving production efficiency: The invention of the shaft transfer trolley aims to achieve rapid and accurate installation of shaft segment 11 through automation technology, thereby significantly improving production efficiency.

[0047] Ensuring operational safety: The shaft system transfer trolley features frequency conversion speed control, allowing for adjustable forward or reverse speeds; it can be stopped locally or remotely in an emergency; and it has an anti-slip design in case of stop or power failure. These safety features effectively prevent operational errors by construction personnel from causing injury to the shaft system and personnel, ensuring safety during operation.

[0048] Promoting Industrial Automation Upgrades: The research and application of shaft-mounted transfer trolleys will help drive the upgrading and development of industrial automation. This automated production method will lead the manufacturing industry towards a more efficient, environmentally friendly, and sustainable direction.

[0049] The implementation principle of this utility model is as follows: This utility model discloses a ship shafting transfer trolley, which is used for the installation of stern shafts and propeller shafts. The trolley can carry shaft segments 11 forward along the center of the shafting, reaching designated positions via bearings, ensuring safe and reliable transportation of shaft segments 11 and improving installation efficiency and quality. The ship shafting transfer trolley mainly consists of a motor 1, a gearbox 2, a connecting pin 3, a frame 4, a V-bracket 5, adjusting bolts, wedge blocks 8, a support beam 9, a hydraulic cylinder 10, rollers 12, high-pressure oil pipes 14, and a hydraulic pump station 15. This device features high automation, stable operation, and high safety, effectively solving the technical problems of low efficiency and significant safety hazards in traditional shafting transportation.

[0050] The embodiments described herein are preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape, and principle of this utility model should be included within the scope of protection of this utility model.

Claims

1. A ship shafting transfer trolley comprising a trolley frame (4), characterised in that, The frame (4) is provided with a driving system and a V-shaped bracket (5), the driving system is used for driving the frame (4) to move on the track (13), the V-shaped bracket (5) is used for placing the shaft section (11), the V-shaped bracket (5) is provided with a supporting mechanism and a vertical direction adjusting mechanism, the V-shaped bracket (5) is arranged on the supporting mechanism, and the vertical direction adjusting mechanism is used for adjusting the height of the V-shaped bracket (5) on the frame (4). The frame (4) is provided with a first adjusting bolt (6) on the two sides of the V-shaped bracket (5), and the first adjusting bolt (6) is used for adjusting the horizontal position of the V-shaped bracket (5) on the frame (4).

2. A marine shafting transport trolley according to claim 1, characterised in that, The driving system comprises a motor (1) and a speed reducer (2), the motor (1) is in transmission connection with the speed reducer (2), the bottom of the frame (4) is provided with a rotating shaft in transmission connection with the speed reducer (2), and the two ends of the rotating shaft are respectively provided with a roller (12), and the roller (12) is arranged on the track (13).

3. A marine shafting transport trolley according to claim 1, characterised in that, The supporting mechanism comprises a supporting beam (9), a wedge block (8) and a second adjusting bolt (7), the V-shaped bracket (5) is arranged on the supporting beam (9), the wedge block (8) is arranged below the supporting beam (9), one end of the second adjusting bolt (7) is fixedly connected with the wedge block (8), and the other end is threadedly connected with the frame (4).

4. A marine shafting transport trolley according to claim 3, characterised in that, The wedge block (8) is arranged in two and symmetrically arranged on the two sides of the bottom of the supporting beam (9), and two inclined surfaces matched with the top surfaces of the wedge blocks (8) are formed in the bottom of the supporting beam (9).

5. A ship shafting transport trolley according to claim 3, characterised in that, The vertical direction adjusting mechanism comprises an oil cylinder (10), a high-pressure oil pipe (14) and a hydraulic pump station (15), one end of the high-pressure oil pipe (14) is connected with the hydraulic pump station (15), the other end is connected with the oil cylinder (10), the oil cylinder (10) is arranged on the frame (4), and the piston rod of the oil cylinder (10) abuts against the bottom of the supporting beam (9).

6. A marine shafting transport trolley according to claim 1, characterised in that, The first adjusting bolt (6) is threadedly connected with the frame (4), and one end of the first adjusting bolt (6) abuts against the side wall of the V-shaped bracket (5).

7. A ship shafting transport trolley according to claim 3, characterised in that, The V-shaped bracket (5) comprises two mounting plates arranged on the supporting beam (9) and V-shaped blocks fixedly arranged on the two mounting plates, and the two mounting plates are connected through a connecting pin (3).

8. A ship shafting transport trolley according to claim 2, characterised in that, The surface of the roller (12) is provided with a deviation-preventing guide groove matched with the track (13).

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