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CN-224211248-U - Tail shaft and tail pipe mechanism for ship

CN224211248UCN 224211248 UCN224211248 UCN 224211248UCN-224211248-U

Abstract

The utility model provides a stern shaft tail pipe mechanism for a ship, which comprises a stern shaft tail pipe assembly and a combined connecting assembly arranged on the stern shaft tail pipe assembly, wherein the combined connecting assembly comprises a first connecting assembly and a second connecting assembly, the first connecting assembly is fixedly connected with one end of the stern shaft tail pipe assembly, the structure strength of the stern shaft tail pipe is good, the stable connecting structure is ensured, the installation is convenient, and meanwhile, the coordination performance with a ship body is further improved, so that the propulsion efficiency and reliability of the ship are improved.

Inventors

  • WANG YISONG

Assignees

  • 广州市旭盛造船有限公司

Dates

Publication Date
20260508
Application Date
20250630

Claims (10)

  1. 1. A tail shaft tail pipe mechanism for a ship is characterized by comprising a tail shaft tail pipe assembly and a joint connecting assembly arranged on the tail shaft tail pipe assembly, wherein the joint connecting assembly comprises a first connecting assembly and a second connecting assembly, the first connecting assembly is fixedly connected with one end of the tail shaft tail pipe assembly, the second connecting assembly is fixedly connected with the other end of the tail shaft tail pipe assembly, the first connecting assembly comprises a coupling mechanism, the second connecting assembly comprises a propeller connecting piece, the coupling mechanism is used for forming a connecting end connected with a first end of a ship body at one end of the tail shaft tail pipe assembly, and the propeller connecting piece is used for forming a stable connecting end of a second end at the other end of the tail shaft tail pipe assembly.
  2. 2. The stern shaft liner mechanism for a vessel according to claim 1, wherein the stern shaft liner assembly comprises a stern shaft tube and a stern shaft tube, wherein a fitting space is formed inside the stern shaft tube, and the stern shaft tube is connected to the inside of the fitting space of the stern shaft tube.
  3. 3. The stern shaft and tail pipe mechanism for a ship according to claim 2, wherein the stern shaft tube comprises a stern shaft tube body and a horn tube sleeve arranged on the stern shaft tube body, the horn tube sleeve is arranged in the middle of the stern shaft tube body, and the horn tube sleeve is integrally connected with the stern shaft tube body.
  4. 4. A stern shaft liner mechanism for a vessel as claimed in claim 3, wherein one end of the stern shaft tube body is provided with a hub connection location and the other end is provided with a front bearing location, the hub connection location being provided with a hub for connection with other shaft components, the front bearing location being provided with a front bearing seat.
  5. 5. The stern shaft tail pipe mechanism for a ship according to claim 4, wherein an oil inlet and an oil return port are arranged on one side face of the front bearing seat, the oil inlet and the oil return port are arranged at intervals, pipe threaded joints are arranged on the oil inlet and the oil return port, an oil drain port is arranged on the other side face of the front bearing seat, and a cock is arranged on the oil drain port.
  6. 6. The stern shaft and tail pipe mechanism for a ship as claimed in claim 4, wherein one side of said hub is provided with a connection port for connecting a hull stern shaft bracket, and the other side is provided with a connection port for connecting a hull towing sand.
  7. 7. The stern tube mechanism of claim 4 wherein the stern tube body is a steel tube body and the hub and front bearing housing are of wrought steel.
  8. 8. The stern shaft liner mechanism for a ship according to claim 1, wherein the coupling mechanism is provided on a stern shaft liner tube, the stern shaft liner member includes a stern shaft liner body, the coupling mechanism includes a coupling member and a coupling nut, the coupling member is connected to one end of the stern shaft liner body by interference fit of the coupling nut, and a coupling flat key is provided.
  9. 9. The stern shaft liner mechanism for a vessel of claim 1, wherein the propeller connector comprises a hub connected to the other end of the stern shaft liner body by a propeller nut interference fit, and a propeller flat key is further provided on the other end of the stern shaft liner body.
  10. 10. The stern shaft and tail pipe mechanism for a ship according to claim 2, wherein the tail shaft pipe fitting is sleeved outside the stern shaft and tail pipe fitting, and a sealing device is arranged at the joint of the two ends of the tail shaft pipe fitting and the stern shaft and tail pipe fitting, and is provided with a front sealing element and a rear sealing element.

Description

Tail shaft and tail pipe mechanism for ship Technical Field The utility model relates to the technical field of ship equipment production, in particular to a tail shaft and tail pipe mechanism for a ship. Background As is well known, a ship is one of common water vehicles, whether it be a passenger ship or a cargo ship, in the manufacturing process of the ship, the arrangement of each component on the hull is an important design stage, wherein the arrangement of the power propulsion device is also one of important design stages, and in particular, in the arrangement of the power propulsion structure, various factors are considered to ensure reliability and stability, for example, in the arrangement of the tail pipe structure of the stern shaft, structural strength, durability, convenience in installation and finally coordination performance with the ship are considered to improve the propulsion efficiency and reliability of the ship and prolong the service life of the tail pipe, so that, especially in the manufacturing of the power structure of the large-sized cargo ship, a structure with better structural strength is provided to ensure that the connecting structure is stable so as to ensure better coordination performance with the ship body. Disclosure of utility model In view of the above, the present utility model aims to provide a stern shaft and tail pipe mechanism for a ship, which has a good structural strength and can improve the propulsion efficiency and reliability of the ship. In order to achieve the purpose of the utility model, the utility model provides a stern shaft tail pipe mechanism for a ship, which comprises a stern shaft tail pipe assembly and a combined connecting assembly arranged on the stern shaft tail pipe assembly, wherein the combined connecting assembly comprises a first connecting assembly and a second connecting assembly, the first connecting assembly is fixedly connected with one end of the stern shaft tail pipe assembly, the second connecting assembly is fixedly connected with the other end of the stern shaft tail pipe assembly, the first connecting assembly comprises a coupling mechanism, the second connecting assembly comprises a propeller connecting piece, the coupling mechanism is used for forming a connecting end connected with a first end of a ship body at one end of the stern shaft tail pipe assembly, and the propeller connecting piece is used for forming a stable connecting end of a second end at the other end of the stern shaft tail pipe assembly. Preferably, the tail shaft and tail pipe assembly comprises a tail shaft pipe fitting and a tail shaft tail pipe fitting, wherein a sleeved space is formed inside the tail shaft pipe fitting, and the tail shaft tail pipe fitting is connected in the sleeved space of the tail shaft pipe fitting. Preferably, the tail shaft pipe fitting comprises a tail shaft pipe body and a horn pipe sleeve arranged on the tail shaft pipe body, wherein the horn pipe sleeve is arranged in the middle of the tail shaft pipe body, and the horn pipe sleeve is integrally formed with the tail shaft pipe body. Preferably, one end of the tail shaft tube body is provided with a shaft hub connecting position, the other end of the tail shaft tube body is provided with a front bearing position, the shaft hub connecting position is provided with a shaft hub, the shaft hub is used for connecting other shaft components, and the front bearing position is provided with a front bearing seat. Preferably, an oil inlet and an oil return port are arranged on one side face of the front bearing seat, the oil inlet and the oil return port are arranged at intervals, pipe threaded joints are arranged on the oil inlet and the oil return port, an oil drain port is arranged on the other side face of the front bearing seat, and a cock is arranged on the oil drain port. Preferably, a connecting port for connecting a hull tail shaft bracket is arranged on one side face of the shaft hub, and a connecting port for connecting hull sand dragging is arranged on the other side face of the shaft hub. Preferably, the tail shaft tube body is a steel tube body, and the shaft hub and the front bearing seat are made of forged steel. Preferably, the coupling mechanism is arranged on the tail pipe fitting of the tail shaft, the tail pipe fitting of the tail shaft comprises a tail pipe body of the tail shaft, the coupling mechanism comprises a coupling piece and a coupling nut, the coupling piece is connected with one end of the tail pipe body of the tail shaft through interference fit of the coupling nut, and a coupling flat key is further arranged. Preferably, the propeller connecting piece comprises a propeller hub, the propeller hub is connected to the other end of the tail pipe body of the stern shaft through a propeller nut in interference fit, and a propeller flat key is further arranged at the other end of the tail pipe body of the stern shaft. Preferably, the tail shaft pipe fittin