CN117682442A - Marine elevator system - Google Patents

Abstract

The invention provides a marine elevator system which comprises a planetary gear train, a hand wheel mechanism, a winch and a motor, wherein the planetary gear train comprises an input gear shaft, a sun gear shaft, a planet wheel, a planet carrier, an output driving gear, an output driven gear and an output shaft, the input gear shaft is connected with the sun gear shaft, the output driving gear is connected with the planet carrier, the motor is connected with the input gear shaft, the winch is connected with the output shaft, an inner gear ring is arranged outside the planet wheel, and the hand wheel mechanism is connected with the inner gear ring. Because the speed reducer has set up the structure of dual input and dual output, can all install the hoist engine at the both ends of output shaft if the goods is heavier, also can all install the motor at the both ends of input shaft simultaneously, through two motor inputs, the both ends output of output shaft promotes the goods. The planetary gear system is connected with a hand wheel mechanism, and when the motor fails, the hand wheel mechanism can be adopted to drive the planetary gear system to rotate, so that torque is transmitted to the winch.

Description

Marine elevator system

Technical Field

The invention relates to the technical field of ship cargo transferring, in particular to a ship hoisting machine system.

Background

Cargo transfer between the upper and lower decks of a ship is a more frequent task. Currently, there are three main implementation forms of up-and-down transport of cargo in a ship cabin: 1. the carrying is carried by manpower, so that the labor-consuming efficiency is low; 2. the crane is used for lifting, so that the occupied area is relatively large, and the crane is not suitable for being used for ships; 3. the cargo lifting device is used for transporting cargo, which is a cargo machine frequently used in ships, and mainly comprises a tower, a lifting carriage, a driving mechanism, a safety device, an electric control system, a lifting system and other components. When the ship sails in stormy waves, the ship can swing, and the working environment is unstable, so that the marine lifting equipment has higher reliability requirements relative to land. Therefore, the hoisting mode of the hoist is mostly adopted at present, the hoist is connected with the motor through the speed reducer, and the motor is likely to be failed in the using process due to the severe using environment.

Disclosure of Invention

The invention provides a marine hoisting machine system, which aims at the problems that the current hoisting system is driven by adopting a motor to be connected with a speed reducer, the environment on water is severe, and the motor is likely to be out of order.

In order to achieve the above object, the present invention provides the following technical solutions:

the marine elevator system is characterized by comprising a planetary gear train, a hand wheel mechanism, a winch and a motor, wherein the planetary gear train comprises an input gear shaft, a sun gear shaft, a planet wheel, a planet carrier, an output driving gear, an output driven gear and an output shaft, the input gear shaft is connected with the sun gear shaft, the output driving gear is connected with the planet carrier, the motor is connected with the input gear shaft, the winch is connected with the output shaft, an annular gear is arranged outside the planet wheel, and the hand wheel mechanism is connected with the annular gear.

The speed reducer of this application adopts two input dual output forms, and the motor can all be installed to input gear shaft's both sides, can adopt another when one of them motor trouble, if two motors all break down, can adopt hand wheel mechanism manual control, hand wheel mechanism and ring gear are connected, and when motor trouble, hand wheel mechanism rotates, drives the ring gear and rotates, and the ring gear rotates and drives the planet carrier and rotate to promote the goods with moment of torsion output.

Preferably, the hand wheel mechanism comprises a hand wheel, a jigger input gear shaft, a jigger driven gear, a worm and a worm wheel, wherein the jigger input gear shaft is connected with the hand wheel, the jigger driven gear is meshed with the jigger input gear shaft, the worm is connected with the jigger driven gear, the worm wheel is meshed with the worm, and the worm wheel is connected with the annular gear through a transition seat. The torque of the hand wheel can be well transmitted to the planetary gear system by adopting a worm and gear transmission mode.

Preferably, the worm and the worm wheel have a reverse self-locking function, so that the electric input and the manual jigger input are further not mutually influenced.

Preferably, an idler gear and a three-stage front gear are connected between the input gear shaft and the sun gear shaft.

Preferably, the motor is connected with the speed reducer through a flange and an elastic pin, and the speed reducer is connected with the winch through a spline.

Preferably, the winding engine comprises a ball screw and two guide shafts, and the guide shafts are arranged in parallel with the ball screw. The reciprocating vibration generated by the stress of the rope guider in the winch can be reduced through the ball screw and the two guide shafts.

Compared with the prior art, the invention has the beneficial effects that: through the marine lift system that this application provided, because the speed reducer has set up the structure of dual input and dual output, if the goods is heavier can all install the hoist engine at the both ends of output shaft, also can all install the motor at the both ends of input shaft simultaneously, through two motor inputs, the both ends output of output shaft promotes the goods. The planetary gear system is connected with a hand wheel mechanism, and when the motor fails, the hand wheel mechanism can be adopted to drive the planetary gear system to rotate, so that torque is transmitted to the winch. The speed reducer has two input modes of electric and manual.

Description of the drawings:

FIG. 1 is a schematic diagram of a speed reducer;

FIG. 2 is a schematic structural view of a hand wheel mechanism;

FIG. 3 is a schematic diagram of the transmission of FIG. 1;

fig. 4 is a schematic structural view of a hoist 1;

fig. 5 is a schematic view of the structure of the hoist 2.

The marks in the figure: the device comprises a 1-input gear shaft, a 2-idler gear, a 3-three-stage front gear, a 4-sun gear shaft, a 5-planet gear, a 6-planet carrier, a 7-annular gear, an 8-hand wheel, a 9-worm, a 10-worm gear, an 11-output driving gear, a 12-output driven gear, a 13-output shaft, a 14-jigger driven gear, a 15-jigger input gear shaft, a 16-hoist and a 17-transition seat.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise specified and defined, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, mechanical or electrical, or may be in communication with each other between two elements, directly or indirectly through intermediaries, as would be understood by those skilled in the art, in view of the specific meaning of the terms described above.

As shown in fig. 1, the present application provides a marine hoist system including a planetary gear train, a hand wheel mechanism, a hoist 16, and a motor.

The planetary gear train comprises an input gear shaft 1, an idler gear 2, a three-stage front gear 3, a sun gear shaft 4, a planetary gear 5, a planet carrier 6, an output driving gear 11, an output driven gear 12 and an output shaft 13, wherein the input gear shaft 1 is connected with the sun gear shaft 4, and the output driving gear 11 is connected with the planet carrier 6.

The motor is connected with the input gear shaft 1, the winch 16 is connected with the output shaft 13, the planet wheel 5 is provided with an annular gear 7, and the hand wheel mechanism is connected with the annular gear 7.

As shown in fig. 2, the hand wheel mechanism comprises a hand wheel 8, a jigger input gear shaft 15, a jigger driven gear 14, a worm 9 and a worm wheel 10, wherein the jigger input gear shaft 15 is connected with the hand wheel 8, the jigger driven gear 14 is meshed with the jigger input gear shaft 15, the worm 9 is connected with the jigger driven gear 14, the worm wheel 10 is meshed with the worm 9, and the worm wheel 10 is connected with the inner gear ring 7 through a transition seat 17. In order to make the motor input and the manual input not mutually influenced, a worm gear with a reverse self-locking function is selected. The hand wheel adopts a disc hand wheel and is provided with a handle, so that the operation is convenient.

The motor is connected with the input gear shaft 1 of the speed reducer through a flange and an elastic pin, and the winch 16 is connected with the output shaft 13 of the speed reducer through a spline.

The hoist 16 mainly comprises a frame, a winding drum and rope guide components, and a bracket mounting position sensor is additionally arranged beside the rope guide, so that the phenomenon of overtravel of the balls of the rope guide can be prevented. The hoist 16 includes a ball screw and two guide shafts disposed in parallel with the ball screw. The reciprocating vibration generated by the stress of the rope guider is reduced.

Single motor input mode: according to space arrangement conditions and load requirements, a single motor input mode can be selected, the left motor and the right motor can be used, power is input to an input gear shaft 1 through one motor, and the power is transmitted to a drum of a winch 16 through a spline on an output shaft 13 through an idler gear 2, a three-stage front gear 3, a sun gear shaft 4, a planet gear 5, a planet carrier 6, an output driving gear 11 and an output driven gear 12, and the drum pulls a steel cable, and the steel cable pulls a load through a rope guider.

Dual motor input mode: if the load is larger, two motors can be selected to input simultaneously, power is input simultaneously from two ends of an input gear shaft 1, then the power is transmitted to a roller of a winch 16 through a spline on an output shaft 13 through an idler gear 2, a three-stage front gear 3, a sun gear shaft 4, a planet gear 5, a planet carrier 6, an output driving gear 11 and an output driven gear 12, the roller pulls a steel cable, and the steel cable pulls the load through a rope guider.

Manual jigger input mode: the manual jigger mechanism can realize the freight function of the elevator when the motor cannot normally work, and the transmission efficiency of the system is not affected when the motor normally works. When the manual car is in a car, power is transmitted to the worm 9 through the car input gear shaft 15 and the car driven gear 14, the worm 9 drives the worm wheel 10 connected with the planetary-stage annular gear 7, the sun gear shaft 4 is fixed under the action of a motor input end brake, the annular gear 7 drives the planet carrier 6 to output, and the weight is lifted through the winch 16. When the motor is driven to input, the worm and gear reverse self-locking function enables the inner gear ring of the planetary gear to be fixed.

Through the marine lifting system provided by the application, through the combination transmission mode of speed reducer, worm gear and planetary stage, realize multiple input forms such as single motor input, dual motor income, manual jigger input.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims (6)

1. The utility model provides a marine lifting machine system, its characterized in that, includes planetary gear train, hand wheel mechanism, hoist engine and motor, planetary gear train includes input gear axle (1), sun gear axle (4), planet wheel (5), planet carrier (6), output driving gear (11), output driven gear (12) and output shaft (13), input gear axle (1) are connected with sun gear axle (4), output driving gear (11) with planet carrier (6) are connected, and the motor is connected with input gear axle (1), and the hoist engine is connected with output shaft (13), planet wheel (5) are equipped with ring gear (7), and hand wheel mechanism is connected with ring gear (7).

2. The marine hoist system of claim 1, characterized in that the hand wheel mechanism comprises a hand wheel (8), a jigger input gear shaft (15), a jigger driven gear (14), a worm (9) and a worm wheel (10), the jigger input gear shaft (15) is connected with the hand wheel (8), the jigger driven gear (14) is meshed with the jigger input gear shaft (15), the worm (9) is connected with the jigger driven gear (14), the worm wheel (10) is meshed with the worm (9), and the worm wheel (10) is connected with the inner gear ring (7) through a transition seat (17).

3. Marine hoisting system according to claim 2, characterized in that the worm (9) and the worm wheel (10) have a reverse self-locking function.

4. The marine hoisting system as claimed in claim 1, characterized in that an idler gear (2) and a three-stage front gear (3) are connected between the input gear shaft (1) and the sun gear shaft (4).

5. The marine hoist system of claim 1, characterized in that the motor is coupled to a reducer using flanges and elastic pins, and the reducer is splined to the hoist.

6. The marine hoist system of claim 5, wherein the hoist includes a ball screw and two guide shafts disposed in parallel with the ball screw.