Tail shaft assembly tool

By designing the calibration module and feeding module, the cylinder, hydraulic cylinder and mechanical transmission are used to solve the safety hazards of falling during the stern shaft assembly process, and the stable installation and high safety of the stern shaft are achieved.

CN222660696UActive Publication Date: 2025-03-25JIANGSU TONGYANG SHIPPING CO LTD
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Patent Information

Application Number
CN202421319104.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-11
Publication Date
2025-03-25
Estimated Expiration
2034-06-11

AI Technical Summary

Technical Problem

When the existing stern shaft assembly tooling processes a large stern shaft with large volume and weight, the arc-shaped clamp is difficult to firmly clamp, resulting in a high probability of falling off the stern shaft, which poses a safety hazard.

Method used

A stern assembly tooling including a calibration module and a feeding module is designed. Through the cooperation of the cylinder and the hydraulic cylinder, the mechanical transmission of the thick cloth and the rod sleeve is achieved to achieve stable lifting and precise installation of the stern.

Benefits of technology

It effectively solves the safety hazards of falling stern shaft during assembly, and achieves stable installation and high safety of stern shaft.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222660696U_ABST
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Abstract

The utility model discloses a stern shaft assembly tooling, including correction module and feeding module, correction module includes the mobile table frame, with the two cylinder of mobile table frame bottom connection, connect narrow U-shaped plate between the two cylinder, with narrow U-shaped plate top connection bracket, the bracket with the mobile table frame top fit, the feeding module is connected with the narrow U-shaped plate top, the feeding module is connected with the mobile table frame bottom, and the correction module is connected with the narrow U-shaped plate top. The feeding module comprises a wide U-shaped plate connected with the narrow U-shaped plate and two supporting plates connected with the top of the wide U-shaped plate. According to the utility model, after the stern shaft is placed in the bracket, the thick cloth is sleeved at one end of the stern shaft, then the PLC is externally connected to start the air cylinder, the narrow U-shaped plate and the wide U-shaped plate simultaneously ascend, then the bracket lifts the stern shaft to a proper height, then the PLC is externally connected to start the hydraulic cylinder, and the movable end of the hydraulic cylinder pulls the rod sleeve to enable the thick cloth to drive the stern shaft to move, so that the stern shaft is inserted into a ship body; therefore, installation of the tail shaft is completed, installation is stable, and safety is high.
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Description

Technical Field

[0001] The utility model relates to the technical field of stern shaft assembly, in particular to a stern shaft assembly tool. Background Art

[0002] The stern shaft is called the tail shaft in the industry. One end of the tail shaft is connected to the propeller, and the other end is connected to the gearbox or coupling and then to the engine.

[0003] Application number CN202121651009.0 discloses a marine stern shaft assembly tooling structure, comprising a bottom plate, cylinders are symmetrically installed on both sides of the top of the bottom plate, telescopic rods are connected to the output ends of the cylinders, a top plate is fixed to the top of the telescopic rod, and vertical plates are symmetrically fixed to both sides of the top of the top plate. The upper ends of the outer walls of the vertical plates are screwed and connected with screws, and arc-shaped clamping plates are installed on the opposite sides of the two screws through bearings. A fixing column is fixed at the middle position of the lower surface wall of the top plate. The utility model cooperates with the top plate, the through hole, the fixing column and the first groove. When the stern shaft needs to be assembled and installed, the bottom end of the stern shaft can be vertically passed through the through hole and placed in the first groove, and the stern shaft can be supported by the fixing column. Secondly, the cooperation of the cylinder and the telescopic rod can realize the free adjustment of the height of the stern shaft, which is convenient for the docking of the stern shaft and the installation part on the hull, and the docking is convenient and quick. When this application is used specifically, considering the large size and weight of some stern shafts, it is difficult to clamp the stern shaft with the arc-shaped clamp, and there is a high probability that the stern shaft will fall off, causing a safety accident. Utility Model Content

[0004] The utility model aims to solve one of the technical problems existing in the prior art or related technology.

[0005] To this end, the technical solution adopted in this utility model is:

[0006] A stern shaft assembly tool comprises a correction module and a feeding module, wherein the correction module comprises a movable table frame, two cylinders connected to the bottom of the movable table frame, a narrow U-shaped plate connected between the two cylinders, a bracket connected to the top of the narrow U-shaped plate, the bracket is fitted with the top of the movable table frame, and a feeding module, wherein the feeding module comprises a wide U-shaped plate connected to the narrow U-shaped plate, two supporting plates connected to the top of the wide U-shaped plate, a hydraulic cylinder embedded in the top of the supporting plate, a rod sleeve movably sleeved on the outer side of the movable end of the hydraulic cylinder, an insertion rod detachably connected between the hydraulic cylinder and the rod sleeve, a stern shaft movably arranged inside the bracket, and a thick cloth connected between the two rod sleeves, wherein the thick cloth is wrapped around one end of the stern shaft.

[0007] By adopting the above technical solution, after the stern shaft is placed in the bracket, the thick cloth is put on one end of the stern shaft, and then the external PLC starts the cylinder, and then the narrow U-shaped plate and the wide U-shaped plate rise at the same time, and then the bracket lifts the stern shaft to a suitable height, and then the external PLC starts the hydraulic cylinder, and the movable end of the hydraulic cylinder pulls the rod sleeve to make the thick cloth drive the stern shaft to move, and in this way, the stern shaft is inserted into the hull, thereby completing the installation of the stern shaft, and the installation is stable and safe.

[0008] In a preferred example, the present invention can be further configured as follows: two cylinders are connected in series and electrically connected to an external PLC.

[0009] In a preferred example, the utility model can be further configured as follows: the narrow U-shaped plate and the wide U-shaped plate both movably penetrate the movable table frame, and the narrow U-shaped plate and the wide U-shaped plate are made of the same material.

[0010] In a preferred example, the present invention can be further configured as follows: the two support plates are vertically symmetrical about the bracket, and the length of the support plates is half of the length of the bracket.

[0011] In a preferred example, the present invention can be further configured as follows: two hydraulic cylinders are connected in series, and the hydraulic cylinders are electrically connected to an external PLC.

[0012] In a preferred example, the utility model can be further configured as follows: a plurality of ball seats are installed inside the bracket, the plurality of ball seats are arranged in a row at equal intervals, and the bottom of the stern shaft fits with the tops of the plurality of ball seats.

[0013] By adopting the above technical solution, the beneficial effects achieved by the utility model are as follows:

[0014] In the utility model, after the stern shaft is placed in the bracket, a thick cloth is put on one end of the stern shaft, and then the PLC is connected externally to start the cylinder, and then the narrow U-shaped plate and the wide U-shaped plate rise at the same time, and then the bracket lifts the stern shaft to a suitable height, and then the PLC is connected externally to start the hydraulic cylinder, and the movable end of the hydraulic cylinder pulls the rod sleeve to make the thick cloth drive the stern shaft to move, and in this way, the stern shaft is inserted into the interior of the hull, thereby completing the installation of the stern shaft, and the installation is stable and safe. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the correction module of the utility model;

[0017] Figure 3 This is a schematic diagram of the feeding module of the utility model;

[0018] Figure 4 It is a schematic diagram of the connection relationship between the bracket and the ball seat of the utility model.

[0019] Reference numerals:

[0020] 100, correction module; 110, movable table frame; 120, cylinder; 130, narrow U-shaped plate; 140, bracket;

[0021] 200, feeding module; 210, wide U-shaped plate; 220, supporting plate; 230, hydraulic cylinder; 240, rod sleeve; 250, inserting rod; 260, stern shaft; 270, thick cloth;

[0022] 300. Ball seat. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0024] It should be understood that these descriptions are exemplary only and are not intended to limit the scope of the present invention.

[0025] A stern shaft assembly tool provided by some embodiments of the utility model will be described below in conjunction with the accompanying drawings.

[0026] Embodiment 1:

[0027] Combination Figure 1-4 As shown, the utility model provides a stern shaft assembly tool, including a correction module 100 and a feeding module 200, wherein the correction module 100 includes a movable table frame 110, two cylinders 120 connected to the bottom of the movable table frame 110, a narrow U-shaped plate 130 connected between the two cylinders 120, and a bracket 140 connected to the top of the narrow U-shaped plate 130, wherein the bracket 140 is in contact with the top of the movable table frame 110;

[0028] The feeding module 200 includes a wide U-shaped plate 210 connected to the narrow U-shaped plate 130, two support plates 220 connected to the top of the wide U-shaped plate 210, a hydraulic cylinder 230 embedded in the top of the support plate 220, a rod sleeve 240 movably sleeved on the outer side of the movable end of the hydraulic cylinder 230, an insertion rod 250 detachably connected between the hydraulic cylinder 230 and the rod sleeve 240, a stern shaft 260 movably arranged inside the bracket 140, and a thick cloth 270 connected between the two rod sleeves 240, wherein the thick cloth 270 is wrapped around one end of the stern shaft 260.

[0029] Furthermore, the two cylinders 120 are connected in series and electrically connected to an external PLC. With this structural design, the two cylinders 120 can be extended and retracted at the same time, ensuring that the narrow U-shaped plate 130 will not be stuck by the movable table frame 110 when rising.

[0030] Furthermore, the two support plates 220 are vertically symmetrical about the bracket 140, and the length of the support plates 220 is half of the length of the bracket 140. With this layout design, the two hydraulic cylinders 230 can stably move the thick cloth 270 to ensure that the stern shaft 260 can be pushed smoothly.

[0031] Furthermore, two hydraulic cylinders 230 are connected in series, and the hydraulic cylinders 230 are electrically connected to an external PLC. With this structural design, the two hydraulic cylinders 230 can be extended and retracted at the same time, ensuring that the rod sleeve 240 can move smoothly with the thick cloth 270.

[0032] Embodiment 2:

[0033] Combination Figure 1-3 As shown, on the basis of Example 1, the narrow U-shaped plate 130 and the wide U-shaped plate 210 are both movably inserted into the movable table frame 110, and the narrow U-shaped plate 130 and the wide U-shaped plate 210 are made of the same material. Using the same material can reduce the difficulty of material selection when manufacturing the narrow U-shaped plate 130 and the wide U-shaped plate 210.

[0034] Embodiment three:

[0035] Combination Figure 4 As shown, in the above embodiment, a plurality of ball seats 300 are installed inside the bracket 140, and the plurality of ball seats 300 are arranged in a row at equal intervals, and the bottom of the stern shaft 260 is in contact with the tops of the plurality of ball seats 300. The ball seats 300 are provided so that the stern shaft 260 can be flexibly moved.

[0036] Working principle and use process of the utility model: when the device is put into actual use, the stern shaft 260 is sent to the inside of the bracket 140 by an external crane, and then after the thick cloth 270 covers one end of the stern shaft 260, the two rod sleeves 240 are covered on the outside of the two hydraulic cylinders 230, and then the rod 250 is inserted to fix the rod sleeve 240, and then the external PLC starts the cylinder 120, and then the narrow U-shaped plate 130 and the wide U-shaped plate 210 rise at the same time, and then the bracket 140 raises the stern shaft 260 to a suitable height, and then the external PLC starts the hydraulic cylinder 230, and the movable end of the hydraulic cylinder 230 pulls the rod sleeve 240 to make the thick cloth 270 drive the stern shaft 260 to move, and in this way, the stern shaft 260 is inserted into the interior of the hull, thereby completing the installation of the stern shaft 260.

[0037] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A stern shaft assembly tool, characterized in that: include: A correction module (100), the correction module (100) comprising a movable table frame (110), two cylinders (120) connected to the bottom of the movable table frame (110), a narrow U-shaped plate (130) connected between the two cylinders (120), and a bracket (140) connected to the top of the narrow U-shaped plate (130), wherein the bracket (140) is in contact with the top of the movable table frame (110); A feeding module (200), the feeding module (200) comprising a wide U-shaped plate (210) connected to the narrow U-shaped plate (130), two supporting plates (220) connected to the top of the wide U-shaped plate (210), a hydraulic cylinder (230) embedded in the top of the supporting plate (220), a rod sleeve (240) movably sleeved on the outer side of the movable end of the hydraulic cylinder (230), an insertion rod (250) detachably connected between the hydraulic cylinder (230) and the rod sleeve (240), a stern shaft (260) movably arranged inside the bracket (140), and a thick cloth (270) connected between the two rod sleeves (240), wherein the thick cloth (270) is wrapped around one end of the stern shaft (260).

2. A stern shaft assembly tool according to claim 1, characterized in that: The two cylinders (120) are connected in series and are electrically connected to an external PLC.

3. The stern shaft assembly tool according to claim 1, characterized in that: The narrow U-shaped plate (130) and the wide U-shaped plate (210) are both movably inserted through the movable table frame (110), and the narrow U-shaped plate (130) and the wide U-shaped plate (210) are made of the same material.

4. The stern shaft assembly tool according to claim 1, characterized in that: The two support plates (220) are vertically symmetrical with respect to the bracket (140), and the length of the support plates (220) is half the length of the bracket (140).

5. The stern shaft assembly tool according to claim 1, characterized in that: The two hydraulic cylinders (230) are connected in series, and the hydraulic cylinders (230) are electrically connected to an external PLC.

6. The stern shaft assembly tool according to claim 1, characterized in that: A plurality of ball seats (300) are installed inside the bracket (140), and the plurality of ball seats (300) are arranged in a row at equal intervals, and the bottom of the stern shaft (260) is in contact with the tops of the plurality of ball seats (300).

Citation Information

Patent Citations

  • Stern shaft assembly tool structure for ship

    CN214923894U