CN216290433U

CN216290433U - Rudder-turning motor with marine hollow shaft structure

Info

Publication number: CN216290433U
Application number: CN202123041616.8U
Authority: CN
Inventors: 李兴龙; 王勇
Original assignee: Hangzhou Yingjishi Electric Co ltd
Current assignee: Hangzhou Yingjishi Electric Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-04-12
Anticipated expiration: 2031-12-06

Abstract

The utility model discloses a steering motor with a marine hollow shaft structure, which structurally comprises a rotor and a motor base and is characterized in that the motor base is a stepped cylinder formed by overlapping cylinders with different sizes, a through hole capable of enabling a main shaft to penetrate through is formed in the circle center of the motor base, the rotor is of an annular structure attached to the stepped outer surface of a stator, and the rotor is connected with the motor base through a bearing. The utility model is matched with a gearbox to output power from a hollow main shaft of the motor. The hollow part of the motor shaft is effectively utilized, and power can be successfully output. And because the motor main shaft is hollow, the internal structure design of the motor is very compact, and the volume of the motor can be effectively reduced.

Description

Rudder-turning motor with marine hollow shaft structure

Technical Field

The utility model belongs to the technical field of marine motors, and particularly relates to a steering motor of a marine hollow shaft structure.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law. The existing marine steering motor is generally large in size, and a transmission device is simple even if the motor is used for driving the steering motor, and the steering motor mainly and simply drives a belt pulley to output power at the front end of the motor directly. Although simple in construction, it takes up relatively much space in the limited space on the ship and also increases the self-weight. The reliability is relatively low due to the belt transport.

SUMMERY OF THE UTILITY MODEL

The utility model is matched with a gearbox to output power from a hollow main shaft of the motor. The hollow part of the motor shaft is effectively utilized, and power can be successfully output. And because the motor main shaft is hollow, the internal structure design of the motor is very compact, and the volume of the motor can be effectively reduced.

The utility model provides a marine hollow shaft structure's helm motor, includes rotor and motor base, its characterized in that, the notch cuttype cylinder that the motor base appearance formed for the cylinder stack of variation in size together, the through-hole that enables the main shaft and alternate is seted up to the centre of a circle department of rotor, the annular structure of rotor for attached motor base notch cuttype surface, the rotor passes through the bearing and is connected with motor base.

Preferably, a stator core is annularly arranged on the outer arc surface of the motor base, a coil is wound on the surface of the stator core, and insulation paper is arranged between the coil and the motor base.

Preferably, bearing mounting grooves are formed in the upper end and the lower end of the outer arc surface of the motor base, and the bearings are embedded in the bearing mounting grooves.

Preferably, a shockproof ring is arranged between the outer arc surface of the bearing at the upper end of the motor base and the rotor, the upper end of the shockproof ring extends towards the circle center along the surface of the bearing, and a wave washer is arranged between the extension part of the shockproof ring and the rotor.

Preferably, the inner surface of the rotor is provided with magnetic steel, and the upper end of the magnetic steel is provided with a magnetic steel positioning ring.

Preferably, the top of the rotor is provided with an annular mounting gear for connecting with a gearbox, and the inner diameter of the mounting gear is equal to the size of the through hole of the rotor.

Preferably, the bottom end of the motor base is provided with a wiring hole, and the wiring hole is provided with an outgoing line sheath.

The utility model has the advantages that:

the motor base appearance is the notch cuttype cylinder that the cylinder stack of variation in size formed together, and the centre of a circle department of rotor sets up the through-hole that enables the main shaft interlude, and the rotor is the annular structure of attached motor base notch cuttype surface, and the rotor passes through the bearing and is connected with motor base. The components inside the motor are all annular and are sleeved on the motor base layer by layer, so that the components can be matched more closely, the rotating space of an inner rotor is saved compared with an outer stator motor, and the size of the motor is greatly reduced. Meanwhile, the components are sleeved layer by layer, the appearance of the motor is a stepped cylinder formed by stacking cylinders, the reducer is matched with the stepped surface to be mounted, and the reducer is matched with the motor to form a complete barrel body after being mounted, so that the assembly is more beneficial to mounting on a ship with limited space. The main shaft connected with the speed reducer directly penetrates out of the through hole in the middle of the motor base to be output, and the structural space is fully utilized.

Drawings

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

In the figure, a motor base 1, a rotor 2, a bearing 3, a stator core 4, a bearing mounting groove 5, a vibration-proof ring 6, a wave washer 7, magnetic steel 8, a magnetic steel positioning ring 9, a mounting gear 10 and an outgoing line sheath 11 are shown.

Detailed Description

As shown in the figure, a marine hollow shaft structure's commentaries on classics rudder motor, including rotor and motor base, its characterized in that, motor base 1 appearance is the notch cuttype cylinder that the cylinder stack of variation in size formed together, and the through-hole that enables the main shaft to alternate is seted up in the centre of a circle department of rotor 2, and rotor 2 is the annular structure of attached motor base 1 notch cuttype surface, and rotor 2 passes through bearing 3 and is connected with motor base 1. The components inside the motor are all annular and are sleeved on the motor base 1 layer by layer, so that the components can be matched more closely, the rotating space of an inner rotor is saved compared with an outer stator motor, and the size of the motor is greatly reduced. Meanwhile, the components are sleeved layer by layer, the appearance of the motor is a stepped cylinder formed by stacking cylinders, the reducer is matched with the stepped surface to be mounted, and the reducer is matched with the motor to form a complete barrel body after being mounted, so that the assembly is more beneficial to mounting on a ship with limited space. The main shaft connected with the speed reducer directly penetrates out of the through hole in the middle of the motor base 1 to be output, and the structural space is fully utilized.

In this embodiment, the outer arc surface of the motor base 1 is annularly provided with the stator core 4, the surface of the stator core 4 is wound with the coil, and the insulating paper is arranged between the coil and the motor base 1 to prevent the coil from directly contacting with the base of the motor base 1 to cause the electric leakage of the motor.

In this embodiment, bearing mounting grooves 5 are provided at both ends of the outer arc surface of the motor base 1, and the bearing 3 is embedded in the bearing mounting grooves 5. The deep groove ball bearing is embedded in the bearing installation groove 5, so that the stability of the rotor 2 in rotation is ensured.

In this embodiment, a vibration-proof ring 6 is disposed between the outer arc surface of the bearing 3 at the upper end of the motor base 1 and the rotor 2, the upper end of the vibration-proof ring 6 extends toward the center of the circle along the surface of the bearing 3, and a wave washer 7 is disposed between the extended portion of the vibration-proof ring 6 and the rotor 2. The outer arc surface of the bearing 3 is provided with the shockproof ring 6 to prevent the rotor 2 from shaking radially when rotating, the extending part of the shockproof ring 6 is used for resisting the impact on the bearing 6 in the axial direction, and the wavy washer 7 is additionally arranged between the extending part of the shockproof ring 6 and the rotor 2 to further reduce the axial stress of the rotor 2. It should be noted that the extension of the anti-vibration ring 6 is covered on the outer ring of the bearing 6 and does not contact the inner ring.

In this embodiment, a magnetic steel 8 is arranged on the inner surface of the rotor 2, and a magnetic steel positioning ring 9 is arranged at the upper end of the magnetic steel 8. The magnetic steel positioning ring 9 is fixed at the stepped corner of the inner surface of the rotor 2, and because the motor is of an outer rotor structure, the magnetic steel 8 can rotate at high speed along with the rotor 2, so that the magnetic steel positioning ring 9 is required to be tightly attached to the magnetic steel 8, and the magnetic steel 8 is kept at a position corresponding to the stator core 4.

In this embodiment, the top of the rotor 2 is provided with an annular mounting gear 10 for connecting with a gearbox, the inner diameter of the mounting gear 10 is equal to the size of the through hole of the motor base 1, and a space for mounting the spindle is reserved as the through hole of the motor base 1.

In this embodiment, the bottom end of the motor base 1 is provided with a wiring hole, and the wiring hole is provided with an outgoing line sheath 11. The power line is connected with the coil through the outgoing line sheath 11, and the outgoing line sheath 11 can effectively isolate the possibility that the power line is contacted with the stator base.

Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a marine hollow shaft structure's helm steering motor, includes rotor and stator, its characterized in that, motor base (1) appearance is the notch cuttype cylinder that the cylinder stack of variation in size formed together, the centre of a circle department of rotor (2) offers the through-hole that enables the main shaft and alternate, rotor (2) is the annular structure of attached motor base (1) notch cuttype surface, rotor (2) are connected with motor base (1) through bearing (3).

2. A steering motor of a marine hollow shaft structure according to claim 1, characterized in that: the motor is characterized in that a stator core (4) is annularly arranged on the outer arc surface of the motor base (1), a coil is wound on the surface of the stator core (4), and insulation paper is arranged between the coil and the motor base (1).

3. A steering motor of a marine hollow shaft structure according to claim 1, characterized in that: bearing mounting grooves (5) have all been seted up at the upper and lower both ends of motor base (1) extrados, bearing (3) inlay and establish in bearing mounting groove (5).

4. A steering motor of a marine hollow shaft structure according to claim 3, characterized in that: a shockproof ring (6) is arranged between the outer arc surface of the bearing (3) at the upper end of the motor base (1) and the rotor (2), the upper end of the shockproof ring (6) extends towards the circle center along the surface of the bearing (3), and a wave-shaped gasket (7) is arranged between the extension part of the shockproof ring (6) and the rotor (2).

5. A steering motor of a marine hollow shaft structure according to claim 1, characterized in that: and magnetic steel (8) is arranged on the inner surface of the rotor (2), and a magnetic steel positioning ring (9) is arranged at the upper end of the magnetic steel (8).

6. A steering motor of a marine hollow shaft structure according to claim 1, characterized in that: the top of the rotor (2) is provided with an annular mounting gear (10) connected with a gearbox, and the inner diameter of the mounting gear (10) is equal to the size of the through hole of the rotor (2).

7. A steering motor of a marine hollow shaft structure according to claim 1, characterized in that: the bottom of the motor base (1) is provided with a wiring hole, and a wire outlet sheath (11) is arranged on the wiring hole.