CN218543117U

CN218543117U - Integral gear box for marine winch

Info

Publication number: CN218543117U
Application number: CN202222841613.0U
Authority: CN
Inventors: 王园园
Original assignee: CSSC Nanjing Luzhou Machine Co Ltd
Current assignee: CSSC Nanjing Luzhou Machine Co Ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-02-28
Anticipated expiration: 2032-10-27

Abstract

The utility model discloses an integral gear box for a marine winch, which comprises a gear box and a winding drum device connected with the gear box, wherein a power device, a low-speed gear pair, a high-speed gear pair and a low-speed output shaft are sequentially arranged in the gear box along the longitudinal cutting direction of a gear box body; the power device is installed on a high-speed output shaft in the gear box body, the high-speed output shaft is in transmission connection with the low-speed gear pair, the low-speed gear pair is meshed with the high-speed gear pair fixed on a gear shaft in the gear box body, the high-speed gear pair is sleeved on the low-speed output shaft, the winding drum device is sleeved on the low-speed output shaft through a sliding bearing, and the power device drives the winding drum device to rotate so as to achieve the effect of winding and unwinding the mooring rope. The utility model has the advantages of simple structure, box material greatly reduced, secondly sealing performance is fabulous simultaneously, inside sea water and rainwater or other impurity can't get into the box from the outside, ensure that gear operation operating mode is good consequently can prolong the gear life-span.

Description

Integral gear box for marine winch

Technical Field

The utility model relates to a gear box, concretely relates to an integral gear box for marine winch belongs to shipbuilding technical field.

Background

In recent years, with the development of the ship industry in China, the demand of deck machinery is continuously increased, and more users put higher requirements on the use of winches. In deck machinery, the split gearbox is one of the important parts of the mooring winch, and is mainly used for the mooring winch, the high speed of the motor shaft is converted into the low speed through the gearbox, and the low speed is transmitted to the main shaft to drive the winding drum to run, and finally the mooring of the winch is realized.

However, the gear box generally used at present is a split structure with an upper box body and a lower box body, and though the gear box is mature in dismounting process and convenient to maintain, the cost is low. However, the split type gear box has poor sealing performance, seawater or rainwater easily permeates into the box body from the screw hole on the half surface, and the corrosion and rust degree of the gear in the lower box body is accelerated; the upper box body can be displaced after the gear is stressed in the using process; the bearing positioning and normal operation can be influenced by the fact that the upper box body and the lower box body are not aligned accurately in the installation and maintenance processes; the upper and lower box bodies are easy to deform in the dismounting process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a compact structure, convenient operation's marine winch with integral gear box provides the necessary guarantee for processing out qualified product.

The utility model discloses a following technical scheme realizes: an integral gear box for a marine winch comprises a gear box and a reel device connected with the gear box, wherein a power device, a low-speed gear pair, a high-speed gear pair and a low-speed output shaft are sequentially arranged in the gear box along the longitudinal direction of a gear box body; the power device is installed on a high-speed output shaft in the gear box body, the high-speed output shaft is in transmission connection with the low-speed gear pair, the low-speed gear pair is meshed with the high-speed gear pair fixed on a gear shaft in the gear box body, the high-speed gear pair is sleeved on the low-speed output shaft, the winding drum device is sleeved on the low-speed output shaft through a sliding bearing, and the power device drives the winding drum device to rotate so as to achieve the effect of winding and unwinding the mooring rope.

Furthermore, the gear shaft is arranged between the high-speed output shaft and the low-speed output shaft, the gear shaft, the low-speed output shaft and the gear shaft are arranged along the width direction of the box body, and the three shafts are parallel.

Furthermore, a support is installed on one side of the outer portion of the gear box body, a mounting seat is arranged in the middle of the support, a rolling bearing is arranged on the mounting seat and is connected to the low-speed output shaft in a sleeved mode through the rolling bearing, supports are symmetrically arranged on two sides of the bottom of the support, and the support is fixed to a ship deck through foundation bolts penetrating through the supports and becomes a fixing fulcrum of the winch.

Furthermore, the power device is a motor, and the motor mounting surface of the power device is connected with the gear box body through a flange.

Furthermore, the low-speed gear pair and the high-speed gear pair have the same structure and are composed of a gear ring, a hub and a wheel disk which are connected with each other.

Furthermore, the low-speed output shaft axially extends into a central hole of the winding drum along the winding drum, and the winding drum is driven to rotate through a sliding bearing.

Further, the winding drum comprises a drum body and side plate assemblies on two sides of the drum body, each side plate assembly comprises a side plate, a bearing seat and a flange plate, the side plate assemblies are sleeved at two ends of the drum body through copper sleeves, and a plurality of layers of steel wire ropes or cables are wound on the drum body.

Furthermore, a box cover matched with the box body is further arranged on the upper surface of the box body, and the box cover and the box body are fastened and connected through bolts and sealed through thread glue.

Furthermore, the left end of the high-speed output shaft is inserted into a bearing arranged in the bearing seat, and the right end of the high-speed output shaft is inserted into the motor hole and connected with the motor.

And a check ring is further arranged between the right end of the high-speed output shaft and the motor for positioning and sealing by a sealing ring.

Compared with the prior art, the beneficial effects of the utility model are that: the novel structure gearbox body of the utility model has simple structure, greatly reduces the material consumption of the whole gearbox body, and reduces the weight by about 30 percent compared with a split type gearbox; the sealing performance is excellent, seawater, rainwater or other impurities cannot enter the box body from the outside, and the gear can be ensured to have good operation condition, so that the service life of the gear can be prolonged; the integral box body structure ensures that the bearing is accurately installed and positioned, is favorable for the bearing to run, and can greatly improve the service life of the bearing.

Drawings

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

Fig. 2 isbase:Sub>A sectional view of the insidebase:Sub>A-base:Sub>A of the box body of the utility model.

Description of the drawings: the gear transmission mechanism comprises a motor 1, an integral gear box 2, a low-speed gear pair 3, a high-speed gear pair 4, a low-speed output shaft 5, a winding drum device 6, a support 7 and a cover plate 8.

Detailed Description

The embodiment provides a winch rope ranging device with a chain wheel tensioner, and the novel structure gear box mainly comprises a cover plate, an integral box body and gear pairs at different levels, wherein the gear pairs at different levels are installed in a bearing seat hole of the integral box body, the cover plate covers the box body, and the installation relation is shown in the attached drawing.

The motor is connected with the box body through a flange, and the motor drives the low-speed output shaft to rotate after being decelerated through the gear pairs at all levels, so that the winding drum on the low-speed output shaft is driven to rotate.

The novel structure gearbox body of the utility model has simple structure, greatly reduces the material consumption of the whole gearbox body, and reduces the weight by about 30 percent compared with a split type gearbox; the sealing performance is excellent, seawater, rainwater or other impurities cannot enter the box body from the outside, and the gear can be ensured to have good operation condition, so that the service life of the gear can be prolonged; the integral box structure ensures that the bearing is accurately installed and positioned, is favorable for the bearing to operate, and can greatly improve the service life of the bearing.

The working process and principle of the embodiment are as follows:

this novel structure gear box is closed welding box, tertiary closed cylindrical gear, and antifriction bearing is chooseed for use to the bearing. The motor is installed on the outer side of the cylindrical gear reduction box body through a flange, the winding drum is sleeved on the main shaft in a hollow mode through a copper sleeve, a winding drum clutch is in clutch with the main shaft, and the main shaft is driven to run after the speed is reduced through the three-level closed cylindrical gear.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made without departing from the scope of the invention as claimed.

Claims

1. An integral gearbox for a marine winch, characterized in that: the gearbox comprises a gearbox body and a winding drum device connected with the gearbox body, wherein a power device, a low-speed gear pair, a high-speed gear pair and a low-speed output shaft are sequentially arranged in the gearbox body along the longitudinal direction of the gearbox body; the power device is installed on a high-speed output shaft in the gear box body, the high-speed output shaft is in transmission connection with the low-speed gear pair, the low-speed gear pair is meshed with the high-speed gear pair fixed on a gear shaft in the gear box body, the high-speed gear pair is sleeved on the low-speed output shaft, the winding drum device is sleeved on the low-speed output shaft through a sliding bearing, and the power device drives the winding drum device to rotate so as to achieve the effect of winding and unwinding the mooring rope.

2. The integral gearbox for marine winch of claim 1, wherein: the gear shaft sets up between high-speed output shaft and low-speed output shaft, and the three all arranges along the width direction of box, and the triaxial direction is parallel.

3. The integral gearbox for marine winch of claim 1, wherein: the winch is characterized in that a support is mounted on one side of the outer portion of the gear box body, a mounting seat is arranged in the middle of the support, a rolling bearing is arranged on the mounting seat and is sleeved on the low-speed output shaft through the rolling bearing, supports are symmetrically arranged on two sides of the bottom of the support, and the support is fixed on a ship deck through foundation bolts penetrating through the supports and becomes a fixing fulcrum of the winch.

4. The integrated gearbox for marine winch according to claim 1, wherein: the power device is a motor, and the motor mounting surface of the power device is connected with the gear box body through a flange.

5. The integral gearbox for marine winch of claim 1, wherein: the low-speed gear pair and the high-speed gear pair have the same structure and are composed of gear rings, hubs and radial plates which are connected with each other.

6. The integral gearbox for marine winch of claim 1, wherein: the low-speed output shaft axially extends into the central hole of the winding drum along the winding drum, and the winding drum is driven to rotate through the sliding bearing.

7. The integral gearbox for marine winch of claim 1, wherein: the winding drum comprises a drum body and side plate assemblies on two sides of the drum body, wherein each side plate assembly comprises a side plate, a bearing seat and a flange plate and is sleeved at two ends of the drum body through copper sleeves, and a plurality of layers of steel wire ropes or cables are wound on the drum body.

8. The integral gearbox for marine winch of claim 1, wherein: the upper surface of the box body is also provided with a box cover which is matched with the box body for installation, and the box cover and the periphery of the box body are fastened and connected by bolts and sealed by thread glue.

9. The integral gearbox for marine winch of claim 1, wherein: the left end of the high-speed output shaft is inserted into a bearing arranged in the bearing seat, and the right end of the high-speed output shaft is inserted into the motor hole and connected with the motor.

10. The integrated gearbox for marine winch according to claim 1, wherein: and a check ring for positioning and a seal ring for sealing are arranged between the right end of the high-speed output shaft and the motor.