Mounting vehicle for large shaft body

Abstract

The invention discloses a mounting vehicle for a large shaft body, and relates to the technical field of ship construction. The mounting vehicle for the large shaft body comprises a mounting bottom frame capable of linearly moving along a track, and a V-shaped bracket arranged on the mounting bottom frame and used for supporting the shaft body; the V-shaped bracket comprises at least two barrel bodies, hydraulic cylinders are arranged in the barrel bodies, and the hydraulic cylinders are connected with the installation bottom frame and used for jacking the V-shaped bracket. The mounting vehicle provided by the invention can be used for mounting a large shaft body used by a ship, and the height of the supported large shaft body and the distance from the large shaft body to a mounting part can be more safely and accurately adjusted by utilizing the mounting vehicle in the mounting process.

Description

Technical Field

[0001] The invention relates to the technical field of shipbuilding, and in particular to an installation vehicle for a large axle body. Background Art

[0002] A large number of shafts are required in the shipbuilding process, and there are many large shafts with a diameter of several meters, and the installation clearance of the shafts is extremely small. In the entire shipbuilding process, the installation of large shafts is a complex and critical step, involving multiple stages and the use of multiple tools. The pairing and calibration of the shaft position during the installation process is crucial. If lifting equipment is used for installation, it is necessary for staff to direct the operation, and the position movement is not precise enough, making the installation difficult and inefficient. Generally, a hand winch is used for movement, but for large ships, the weight can reach 40 tons, and the installation clearance of the shaft is less than 1mm, which makes installation difficult. The use of a hand winch is laborious and the operating space is limited, making it difficult to complete precise installation.

[0003] At present, there are also special installation trolleys for auxiliary installation. For example, the Chinese invention patent with application number 201310643012.1 discloses a shaft-drawing crane for shaft system installation and disassembly, V-shaped support groove, support rod, adjustment plate, and walking chassis. The lower end of the support rod is connected to the upper surface of the walking chassis, and the upper end passes through the adjustment plate and the V-shaped support groove in sequence; the shaft-drawing crane also includes a support nut for adjusting the adjustment plate in the vertical direction and an adjustment bolt for adjusting the adjustment plate in the horizontal direction. By placing the shaft system on the V-shaped support groove, the walking chassis moves, the support nut adjusts the vertical direction of the adjustment plate, and the adjustment bolt adjusts the horizontal direction of the adjustment plate, and then adjusts the axis of the shaft system, the problem of the shaft system being easily damaged during movement and the difficulty in ensuring the installation quality due to the large mass of the shaft system is solved, the operation efficiency is improved, and the impact of the shaft system installation on the normal navigation of ships and marine engineering is reduced. Another example is the Chinese utility model patent application number 202321161223.7, which discloses a trolley for installing a ship's stern shaft, including a carriage, drive carriages are fixed on both sides of the carriage, walking wheels are installed on the lower end face of the drive carriage, bearing plates are fixed on the upper end faces of the carriage and drive carriage, guide rails are fixed on both sides of the upper end face of the bearing plate, a sliding sleeve is inserted and inserted on the surface of the guide rail, a movable seat is fixed on the upper end face of the sliding sleeve, and mounting seats are fixed on both ends of the upper end face of the bearing plate. The trolley can adjust the height of the stern shaft through a lifting and movable mounting seat, and the movable seat that can move in parallel can adjust the horizontal position of the stern shaft, so that the stern shaft can be easily aligned with the ship installation position during installation, which is convenient for the installation of the stern shaft, and there is no need to contact the lifting equipment to adjust the stern shaft, which can increase the installation speed of the stern shaft, and the mounting seat and the movable seat move stably, which can prevent the stern shaft from shaking during movement. bump However, the current installation trolleys are not suitable for installation conditions of large ships with large shafts and extremely small installation clearances. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a large-scale axle installation vehicle suitable for large ships, which can improve the installation accuracy and reduce the installation difficulty.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: an installation vehicle for large axles, comprising a mounting frame that can move linearly along a track, and a V-shaped bracket for supporting the axle body arranged on the mounting frame; the V-shaped bracket comprises at least two cylinders, a hydraulic cylinder is arranged in the cylinder, and the hydraulic cylinder is connected to the mounting frame and is used to lift the V-shaped bracket.

[0006] The beneficial effect of the present invention is that the installation vehicle provided by the present invention can be used for supporting large shaft bodies, and realizes the movement of the shaft body position, thereby realizing the pairing and calibration of the shaft system position, and the stability and safety of the shaft body support can be ensured during the movement. The use of the installation vehicle provided by the present invention can significantly improve the installation efficiency and operation safety of large shaft bodies during the installation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 It is a schematic diagram of the installation structure of the installation vehicle according to a specific embodiment of the present invention; Figure 2 It is a partial front view of a mounting base according to a specific embodiment of the present invention; Figure 3 A partial top view of an installation vehicle according to a specific embodiment of the present invention; Figure 4 A top view of a transition pad according to a specific embodiment of the present invention; Figure 5 A top view of a positioning frame according to a specific embodiment of the present invention; Figure 6 A top view of a friction plate according to a specific embodiment of the present invention; Figure 7 A front view of a friction plate according to a specific embodiment of the present invention; Figure 8 It is a structural schematic diagram of a V-shaped bracket according to a specific embodiment of the present invention; Fig. 9 A bottom view of a V-shaped bracket according to a specific embodiment of the present invention; Fig.10 It is a structural schematic diagram of a roller according to a specific embodiment of the present invention; Fig.11 A side view of a roller according to a specific embodiment of the present invention; Description of labels: 1. Install the chassis; 11. Roller; 111. Concave slide; 12. Roller shaft; 13. Roller bearing; 2. V-shaped bracket; 21. Cylinder; 22. Hydraulic cylinder; 23. Sealing flange; 24. Oil inlet; 25. First surface; 26. Second surface; 27. Third surface; 28. Limiting screw; 3. Transition pad; 4. Positioning frame; 41. Opening; 42. Friction plate; 43. Oil tank; 5. Distance measuring sensor; 6. Adjust the bolt. DETAILED DESCRIPTION

[0008] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following is an explanation in combination with the implementation modes and the accompanying drawings.

[0009] Please refer to Figure 1 The invention relates to a mounting vehicle for a large shaft body, comprising a mounting frame capable of linear motion along a track, and a V-shaped bracket arranged on the mounting frame for supporting the shaft body; the V-shaped bracket comprises at least two cylinders, in which a hydraulic cylinder is arranged, the hydraulic cylinder is connected to the mounting frame and used for lifting the V-shaped bracket. The hydraulic cylinder is installed in the cylinder through a sealing flange. From the above description, it can be seen that the beneficial effect of the present invention is that the installation vehicle for large shaft bodies provided by the present invention can stably support large shaft bodies by setting a V-shaped bracket, so that the whole has strong stability. At the same time, by setting at least two cylinders in the V-shaped bracket and installing a hydraulic cylinder in the cylinder, the V-shaped bracket can be lifted, thereby realizing the displacement of the large shaft body in the vertical direction. And because the cylinder is directly processed on the V-shaped bracket, the stability during the movement is higher.

[0010] Furthermore, the V-shaped bracket is integrally machined from high-strength steel.

[0011] For further information, please refer to Figures 1 to 4 A transition pad is provided between the mounting frame and the V-shaped bracket, and the position of the transition pad on the frame is adjustable. The hydraulic cylinder is connected to the transition pad. Specifically, one of the ways to achieve the adjustable position of the transition pad on the frame is that the transition pad is connected to the mounting frame by an adjusting bolt. Through an adjusting device, such as an adjusting bolt connection, the position of the transition pad on the mounting frame is adjustable, and then the position of the V-shaped bracket is adjustable, so that the displacement of the large shaft in the horizontal direction can be achieved.

[0012] Furthermore, the transition pad is made of high-strength steel plate.

[0013] For further information, please refer to Figures 1 to 35. A positioning frame is provided between the mounting base and the transition pad; an opening is provided on the positioning frame, and a friction plate is provided in the opening. The positioning frame mainly serves to limit the displacement of the friction plate. The positioning frame is made of ordinary steel plate or high-strength steel plate, but considering the comprehensive cost, ordinary steel plate can ensure good operation.

[0014] Furthermore, the friction plate is made of copper plate.

[0015] For further information, please refer to Figures 1 to 3 In 5-7, the friction plate is provided with an oil groove. Specifically, the friction plate includes a plurality of annular oil grooves arranged in concentric circles. The function of the friction plate is to increase the sliding property of the transition plate in contact with it, so that the displacement adjustment is smoother. The oil groove is only one way to increase the sliding property, and other ways to increase the sliding property can also be used here.

[0016] For further information, please refer to Figure 1 , 2 and 8, the V-shaped bracket includes a V-shaped upper surface, the upper surface including a first surface, a second surface and a third surface connected in sequence.

[0017] Furthermore, the angle formed by the first surface and the third surface is 110-130°, such as 110°, 115°, 120°, 125°, 130°, etc., preferably 120°, within which stable support can be achieved during movement.

[0018] By setting up a horizontal second surface, a distance measuring sensor can be installed on it to measure the lifting height of the V-shaped bracket, that is, to determine the position of the large shaft in the vertical direction.

[0019] For further information, please refer to Figure 8 and 9 , the V-shaped bracket is provided with a limit screw. The function of the limit screw is to prevent the V-shaped bracket from being unable to support due to failure of the hydraulic cylinder. After the hydraulic jacking is in place, the limit screw of the V-shaped bracket is tightened to achieve auxiliary support. The limit screws are set at the four corners of the V-shaped bracket.

[0020] For further information, please refer to Figure 1 The installation vehicle also includes a manual hydraulic pump connected to the hydraulic cylinder. The manual hydraulic pump is used to pressurize the hydraulic cylinder, so that the hydraulic cylinder lifts the V-shaped bracket. During use, two or more hydraulic cylinders can be connected by connecting the oil inlet 24 of the hydraulic cylinder through an external hydraulic three-way pipe, thereby making the oil pressure of the two or more hydraulic cylinders equal.

[0021] For further information, please refer to Figure 1The installation vehicle also includes a distance measuring sensor for detecting the position of the V-shaped bracket. It is preferred to use a high-precision distance measuring sensor that can provide accurate displacement change values ​​in real time, which is convenient for construction personnel to adjust the position. Generally, two distance measuring sensors are set, one for detecting the lifting height of the V-shaped bracket, that is, the distance moved by the hydraulic cylinder, and the other for detecting the horizontal displacement distance of the V-shaped bracket, that is, the distance moved by the transition pad.

[0022] For further information, please refer to Figure 1 , 10 The mounting frame 11 includes a mounting frame and rollers arranged at both ends of the mounting frame, and the outer surface of the roller has a concave slide groove. The roller is connected to the mounting frame through a roller shaft and a roller bearing. The concave slide groove is a structure with flanges on both sides, so that the roller can stably move in a straight line along the rail.

[0023] For further information, please refer to Figure 1 and 2 The mounting frame includes a bottom plate and at least two side plates, the side plates are arranged on the bottom plate, the V-shaped bracket is arranged between the two side plates, and the middle part of the side plate is recessed toward the bottom plate to form an arc-shaped clearance space for the shaft body.

[0024] In order to show each structure, the drawings are not cut-away views along the same plane, and one drawing may include cross-sections at multiple locations, such as Figure 1 , Figure 2 , Figure 8 , nor is the positional relationship completely distinguished by the real and imaginary lines.

[0025] Reference Figures 1 to 10 , one embodiment of the present invention is: The mounting vehicle for a large shaft body comprises a mounting frame 1 which can move linearly along a track; the mounting frame 1 comprises a mounting frame and rollers 11 arranged at both ends of the mounting frame, and the outer surface of the roller 11 has a concave slide groove 111; the roller 11 is connected to the mounting frame through a roller shaft 12 and a roller bearing 13; A positioning frame 4 is provided on the mounting frame 1, and an opening 41 is provided on the positioning frame 4, and a friction plate 42 is provided in the opening 41; the positioning frame 4 is made of ordinary steel plate; the friction plate 42 includes a plurality of annular oil grooves 43 arranged in concentric circles; A transition pad 3 made of high-strength steel plate is provided on the positioning frame 4; the transition pad 3 is connected to the mounting base frame 1 through an adjusting bolt 6; A V-shaped bracket 2 for supporting the shaft body is provided on the transition pad 3; the V-shaped bracket 2 includes two cylinders 21, a hydraulic cylinder 22 is provided in the cylinder 21, the hydraulic cylinder 22 is connected to the mounting base 1 and is used to lift the V-shaped bracket 2; the hydraulic cylinder 22 is installed in the cylinder 21 through a sealing flange 23; the V-shaped bracket 2 is made of high-strength steel by integral machining; the V-shaped bracket 2 includes a V-shaped upper surface, the upper surface includes a first surface 25, a second surface 26 and a third surface 27 connected in sequence; the angle formed by the first surface 25 and the third surface 27 is 120°; the four corners of the V-shaped bracket 2 are provided with limit screws 28; The installation vehicle also includes a manual hydraulic pump, which is connected to the hydraulic cylinder 22; The installation vehicle also includes two high-precision distance measuring sensors 5; one is arranged on the second surface 26, and its detection end passes through the second surface 26 toward the transition pad 3; the other is arranged on the installation base frame 1 near the roller 11, and its detection end is arranged toward the side of the V-shaped bracket 2.

[0026] Reference Figures 1 to 10 , another embodiment of the present invention is: Based on the previous embodiment, the mounting base 1 includes a bottom plate and four side plates. The V-shaped bracket is arranged between the two side plates, that is, there are two side plates on each side of the V-shaped bracket; the middle part of the side plate is recessed toward the bottom plate to form an arc-shaped clearance space for the shaft body.

[0027] In summary, the installation vehicle provided by the present invention is specially designed for the shaft body of large ships, especially the tail shaft, and can stably support the shaft body and can achieve accurate installation within an installation gap of less than 1 mm. Using the installation vehicle of the present invention to replace traditional hand chain hoists or other transport carts can significantly improve the accuracy, efficiency and safety of large shaft bodies during installation.

[0028] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent transformations made using the contents of the present invention's specification and drawings, or directly or indirectly applied in related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A vehicle for mounting large axles, characterized in that: It includes a mounting base that can move linearly along a track, and a V-shaped bracket arranged on the mounting base for supporting an axle body; the V-shaped bracket includes at least two cylinders, and a hydraulic cylinder is arranged in the cylinder. The hydraulic cylinder is connected to the mounting base and is used to lift the V-shaped bracket.

2. The installation vehicle for large axles according to claim 1, characterized in that: A transition pad is provided between the mounting base and the V-shaped bracket, and the position of the transition pad on the base is adjustable.

3. The installation vehicle for large axles according to claim 2, characterized in that: A positioning frame is arranged between the mounting base and the transition pad; an opening is arranged on the positioning frame, and a friction plate is arranged in the opening.

4. The installation vehicle for large axles according to claim 3, characterized in that: An oil groove is arranged on the friction plate.

5. The installation vehicle for large axles according to claim 1, characterized in that: The V-shaped bracket includes a V-shaped upper surface, and the upper surface includes a first surface, a second surface, and a third surface connected in sequence.

6. The installation vehicle for large axles according to claim 5, characterized in that: The angle formed by the first surface and the third surface is 110-130°.

7. The installation vehicle for large axles according to claim 1, characterized in that: The V-shaped bracket is provided with a limiting top screw.

8. The installation vehicle for large axles according to claim 1, characterized in that: It also includes a manual hydraulic pump, which is connected to the hydraulic cylinder.

9. The installation vehicle for large axles according to claim 1, characterized in that: A distance measuring sensor is also included for detecting the position of the V-shaped bracket.

10. The installation vehicle for large axles according to claim 1, characterized in that: The mounting base comprises a mounting frame and rollers arranged at two ends of the mounting frame, and the outer surface of the roller is provided with a concave sliding groove.

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