CN212899569U

CN212899569U - High-power marine gearbox with PTO (power take-off) function

Info

Publication number: CN212899569U
Application number: CN202021751175.3U
Authority: CN
Inventors: 杨朝良; 卢叶妹; 郑国华; 王玉刚; 王红余; 戴嘉铭
Original assignee: HANGZHOU FADA GEARBOX GROUP CO Ltd
Current assignee: HANGZHOU FADA GEARBOX GROUP CO Ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-04-06
Anticipated expiration: 2030-08-20

Abstract

The utility model relates to a high-power marine gear box of PTO area separation and reunion function, marine gear box technical field of affiliated, including input shaft and output shaft, be equipped with input gear on the input shaft, be equipped with output gear on the output shaft, input shaft and output shaft between be equipped with in the same direction as the car transmission shaft, be equipped with the one-level drive gear with input gear looks profile of tooth meshing transmission on the in the same direction as the car transmission shaft, be equipped with in the same direction as the car driving gear with output gear looks profile of tooth meshing transmission on the transmission shaft, be equipped with the PTO output shaft in the same direction as the car transmission shaft side, be equipped with the PTO output gear on the PTO output shaft, be equipped with the PTO intermediate gear with PTO output gear looks profile of tooth meshing transmission on the PTO intermediate shaft. The transmission mechanism has the characteristics of compact structure, complete functions, good operation stability, high transmission efficiency and high reliability. The problem of how to possess separation and reunion, speed reduction and the function of reversing the same direction as a car simultaneously is solved.

Description

High-power marine gearbox with PTO (power take-off) function

Technical Field

The utility model relates to a marine gear box technical field, concretely relates to high-power marine gear box of PTO area separation and reunion function.

Background

The high-power marine gearbox in the prior art is divided into a concentric transmission mode, a vertical eccentric transmission mode, a horizontal eccentric transmission mode and other modes from the relative position of an input shaft and an output shaft, and the original design generally does not have a PTO output function. With the need for energy-saving transmission of ships, ships matched with high-power marine gearboxes increasingly demand PTO output function.

In the prior art, a PTO (power take-off) arrangement mode is adopted for taking power from a transmission shaft end cover of a high-power gearbox through penetrating through an inner hole of a driving gear, and the diameter of a power take-off shaft is limited by the size of the inner hole of the gear, so that the PTO can only be matched with a small generator or oil pump.

In the prior art, a PTO gearbox structure which takes power from an upper box body to output from a transmission gear of the gearbox is also available, but the PTO output of the PTO gearbox structure does not have a clutch generally, a main machine can drive a generator to idle when being started, the starting performance of the main machine is influenced due to the fact that the rotational inertia of the generator is relatively large, and a PTO transmission shaft or an elastic coupling is often damaged due to the impact effect.

In the prior art, the PTO output of the high-power gearbox also has a few functions of a clutch, but because the working oil of the clutch is from the same oil pump of the main push clutch, when the clutch works in a crossed and non-interference mode, the oil pressure cannot be adjusted when the clutch is combined due to a common oil pump and a two-stage valve, the connecting and discharging impact is large, the noise is high, and the service life of the gear is influenced.

Disclosure of Invention

The utility model discloses there are function singleness, operating stability is poor, transmission efficiency is low and the reliability is low not enough among the main prior art of solving, provide a high-power marine gear box of PTO area separation and reunion function, it has compact structure, multiple functional, operating stability is good, transmission efficiency is high and the characteristics of high reliability. The problem of how to possess separation and reunion, speed reduction and the function of reversing the same direction as a car simultaneously is solved.

The above technical problem of the present invention can be solved by the following technical solutions:

a high-power marine gearbox with a clutch function PTO (power take-off) comprises an input shaft and an output shaft, wherein the input shaft is provided with an input gear in spacing nested connection with a clamp spring type flat key of the input shaft, the output shaft is provided with an output gear in spacing nested connection with a clamp spring type flat key of the output shaft, a sequential transmission shaft is arranged between the input shaft and the output shaft, the sequential transmission shaft is provided with a first-stage transmission gear in tooth-shaped meshing transmission with the input gear, the sequential transmission shaft is provided with a sequential driving gear in tooth-shaped meshing transmission with the output gear, the side edge of the sequential transmission shaft is provided with a PTO output shaft, the PTO output shaft is provided with a PTO output gear in spacing nested connection with the clamp spring type flat key of the PTO output shaft, an intermediate shaft is arranged between the PTO output shaft and the sequential transmission shaft, and the PTO intermediate shaft is provided with a PTO intermediate gear in, and a PTO input gear connected with the PTO intermediate shaft in a circlip type flat key limiting and nesting manner is arranged between the PTO intermediate shaft and the forward driving shaft.

Preferably, a reverse drive shaft is arranged between the PTO intermediate shaft and the forward drive shaft, and a reverse drive gear in tooth-shaped meshing transmission with the output gear is arranged on the reverse drive shaft.

Preferably, a reversing clutch is arranged on the reversing transmission shaft, a forward clutch which is connected with the forward transmission shaft in a nested manner is arranged between the forward driving gear and the first-stage transmission gear, a forward transmission gear which is fixedly connected with the forward clutch in a nested manner is arranged on the forward clutch, and a reversing transmission gear which is fixedly connected with the reversing clutch in a nested manner is arranged between the forward transmission gear and the PTO input gear.

Preferably, one end of the forward driving transmission shaft is provided with a main oil pump communicated with the reverse clutch and the forward clutch.

Preferably, the PTO output shaft is provided with a PTO clutch, and one end of the PTO intermediate shaft is provided with a PTO working oil pump communicated with an oil path of the PTO clutch.

The utility model discloses can reach following effect:

the utility model provides a PTO takes high-power marine gear box of separation and reunion function compares with prior art, has compact structure, multiple functional, operating stability is good, transmission efficiency is high and the characteristics of high reliability. The problem of how to possess separation and reunion, speed reduction and the function of reversing the same direction as a car simultaneously is solved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: the automatic transmission comprises a PTO working oil pump 1, a PTO intermediate shaft 2, a PTO intermediate gear 3, a PTO output gear 4, a PTO clutch 5, a PTO input gear 6, a PTO output shaft 7, a reverse drive transmission gear 8, a reverse drive clutch 9, a reverse drive driving gear 10, a reverse drive transmission shaft 11, a forward drive driving gear 12, a forward drive transmission shaft 13, a main oil pump 14, an output shaft 15, an output gear 16, a forward drive clutch 17, a forward drive transmission gear 18, an input gear 19, an input shaft 20 and a primary transmission gear 21.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): as shown in figure 1, the high-power marine gearbox with the PTO clutch function comprises an input shaft 20 and an output shaft 15, wherein an input gear 19 which is in limited nested connection with the input shaft 20 in a circlip type flat key mode is arranged on the input shaft 20, an output gear 16 which is in limited nested connection with the output shaft 15 in the circlip type flat key mode is arranged on the output shaft 15, a forward driving transmission shaft 13 is arranged between the input shaft 20 and the output shaft 15, and a main oil pump 14 which is communicated with an oil path of a reverse clutch 9 and an oil path of a forward driving clutch 17 is arranged at one end of the forward driving transmission shaft 13. The in-vehicle transmission shaft 13 is provided with a first-stage transmission gear 21 in tooth-shaped meshing transmission with the input gear 19, the in-vehicle transmission shaft 13 is provided with an in-vehicle driving gear 12 in tooth-shaped meshing transmission with the output gear 16, the side edge of the in-vehicle transmission shaft 13 is provided with a PTO output shaft 7, the PTO output shaft 7 is provided with a PTO clutch 5, and one end of the PTO intermediate shaft 2 is provided with a PTO working oil pump 1 communicated with an oil path of the PTO clutch 5. The PTO output shaft 7 is provided with a PTO output gear 4 which is in limit nested connection with the PTO output shaft 7 through a clamp spring type flat key, a PTO intermediate shaft 2 is arranged between the PTO output shaft 7 and the forward driving transmission shaft 13, a reverse driving transmission shaft 11 is arranged between the PTO intermediate shaft 2 and the forward driving transmission shaft 13, and the reverse driving transmission shaft 11 is provided with a reverse driving gear 10 which is in tooth-shaped meshing transmission with the output gear 16. The reversing transmission shaft 11 is provided with a reversing clutch 9, a driving clutch 17 which is connected with the driving transmission shaft 13 in an embedded manner is arranged between the driving gear 12 and the first-stage transmission gear 21, the driving clutch 17 is provided with a driving transmission gear 18 which is fixedly connected with the driving clutch 17 in an embedded manner, and a reversing transmission gear 8 which is fixedly connected with the reversing clutch 9 in an embedded manner is arranged between the driving transmission gear 18 and the PTO input gear 6. The PTO intermediate shaft 2 is provided with a PTO intermediate gear 3 in tooth-shaped meshing transmission with the PTO output gear 4, and a PTO input gear 6 in limiting nested connection with the PTO intermediate shaft 2 through a clamp spring type flat key is arranged between the PTO intermediate shaft 2 and the forward drive shaft 13.

In conclusion, the high-power marine gearbox with the PTO with the clutch function has the characteristics of compact structure, complete functions, good running stability, high transmission efficiency and high reliability. The problem of how to possess separation and reunion, speed reduction and the function of reversing the same direction as a car simultaneously is solved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without deviating from the basic characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In conclusion, the above description is only the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.

Claims

1. The utility model provides a high-power marine gear box of PTO area separation and reunion function, includes input shaft (20) and output shaft (15), input shaft (20) on be equipped with input shaft (20) looks jump ring formula parallel key spacing nested connected input gear (19), output shaft (15) on be equipped with output shaft (15) looks jump ring formula parallel key spacing nested connected output gear (16), its characterized in that: a sequential driving transmission shaft (13) is arranged between the input shaft (20) and the output shaft (15), a first-stage transmission gear (21) in tooth-shaped meshing transmission with the input gear (19) is arranged on the sequential driving transmission shaft (13), a sequential driving gear (12) in tooth-shaped meshing transmission with the output gear (16) is arranged on the sequential driving transmission shaft (13), a PTO output shaft (7) is arranged on the side edge of the sequential driving transmission shaft (13), a PTO output gear (4) in tooth-shaped meshing transmission with the PTO output shaft (7) is arranged on the PTO output shaft (7), a PTO intermediate shaft (2) is arranged between the PTO output shaft (7) and the sequential driving transmission shaft (13), a PTO intermediate gear (3) in tooth-shaped meshing transmission with the PTO output gear (4) is arranged on the PTO intermediate shaft (2), and an input shaft (2) in tooth-shaped meshing transmission with the PTO intermediate shaft (2) is arranged between the PTO intermediate shaft (2) and the sequential driving transmission A gear (6).

2. The gearbox for a high power ship with a PTO clutch function as claimed in claim 1, wherein: a reverse drive transmission shaft (11) is arranged between the PTO intermediate shaft (2) and the forward drive transmission shaft (13), and a reverse drive driving gear (10) in tooth-shaped meshing transmission with the output gear (16) is arranged on the reverse drive transmission shaft (11).

3. The gearbox for a high power ship with a PTO clutch function as claimed in claim 2, wherein: the reversing transmission shaft (11) is provided with a reversing clutch (9), a forward clutch (17) which is connected with the forward transmission shaft (13) in an embedded manner is arranged between the forward driving gear (12) and the first-stage transmission gear (21), a forward transmission gear (18) which is fixedly connected with the forward clutch (17) in an embedded manner is arranged on the forward clutch (17), and a reversing transmission gear (8) which is fixedly connected with the reversing clutch (9) in an embedded manner is arranged between the forward transmission gear (18) and the PTO input gear (6).

4. The gearbox for a high power ship with a PTO clutch function as claimed in claim 3, wherein: one end of the forward driving transmission shaft (13) is provided with a main oil pump (14) communicated with the reverse clutch (9) and the forward clutch (17) through oil paths.

5. The gearbox for a high power ship with a PTO clutch function as claimed in claim 1, wherein: and a PTO clutch (5) is arranged on the PTO output shaft (7), and a PTO working oil pump (1) communicated with an oil path of the PTO clutch (5) is arranged at one end of the PTO intermediate shaft (2).