CN217545746U

CN217545746U - Integrated type outer rotor permanent magnet direct-drive winch

Info

Publication number: CN217545746U
Application number: CN202220597909.XU
Authority: CN
Inventors: 柴小东; 王永胜; 李宝龙; 刘潇; 李景天
Original assignee: Dalian Zhi Ding Technology Co ltd
Current assignee: Dalian Zhi Ding Technology Co ltd
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2022-10-04
Anticipated expiration: 2032-03-18

Abstract

The utility model discloses an integrated form external rotor permanent magnetism directly drives hoist engine, including reel, motor spindle, synchronizing wheel an, synchronizing wheel b and encoder, the reel both ends are connected with front end housing and rear end cap respectively, front end housing and rear end cap all connect on motor spindle through aligning roller bearing, the motor spindle both ends are fixed respectively on supporting seat an and supporting seat b, are equipped with the encoder at supporting seat b top, the encoder is connected with synchronizing wheel b, and this synchronizing wheel b passes through the hinge and links to each other with synchronizing wheel a. The driving mode and the structure are simplified, the driving efficiency is improved, and the energy loss is reduced; the transmission mode is simple, the assembly is convenient, the number of easily damaged parts is small, the maintenance amount is small, the failure rate is low, and the later maintenance cost is saved.

Description

Integrated outer rotor permanent magnet direct-drive winch

Technical Field

The utility model relates to a permanent-magnet machine technical field, concretely relates to integrated form external rotor permanent magnetism directly drives hoist engine.

Background

The driving unit of the traditional winch generally comprises a motor, a coupler, a speed reducer and a winding drum, and can be widely applied to hoisting mechanisms in various industries such as machinery, ports, ships, papermaking, mines, logistics, nuclear power, buildings, wind power, offshore heavy industry and the like. However, the winch adopts an asynchronous motor, so that the power factor is low, the speed regulation performance is poor, and the control on the winding drum is not facilitated; and a speed reducer and a coupler are connected between the motor and the transmission shaft, so that the problems of complex transmission and low mechanical efficiency exist, the cost is high in later maintenance, and the failure rate is high.

SUMMERY OF THE UTILITY MODEL

There are above-mentioned defects among the prior art, the utility model provides an integrated form external rotor permanent magnetism directly drives hoist engine, its transmission form is simple, and the equipment is convenient, and the fragile piece is few, and the maintenance volume is little, and the fault rate is lower, has saved the later maintenance cost.

For realizing above-mentioned purpose, this application provides an integrated form external rotor permanent magnetism directly drives hoist engine, including reel, motor spindle, synchronizing wheel an, synchronizing wheel b and encoder, the reel both ends are connected with front end housing and rear end cap respectively, front end housing and rear end cap all connect on motor spindle through self-aligning roller bearing, motor spindle both ends are fixed respectively on supporting seat an and supporting seat b, are equipped with the encoder at supporting seat b top, the encoder is connected with synchronizing wheel b, and this synchronizing wheel b passes through the hinge and links to each other with synchronizing wheel an.

Furthermore, the terminal protector is positioned on the supporting seat b and is respectively connected with the encoder and a power supply positioned in the junction box.

Furthermore, a front bearing outer cover and a front bearing inner cover are respectively arranged on two sides of the self-aligning roller bearing positioned at the front end, a front lubricating cavity is formed among the front bearing outer cover, the front end cover and the front bearing inner cover, and a straight-through type pressure injection oil cup is connected to the front lubricating cavity.

Furthermore, a rear bearing outer cover and a rear bearing inner cover are respectively arranged on two sides of the self-aligning roller bearing located at the rear end, a rear lubrication cavity is formed among the rear bearing outer cover, the rear end cover and the rear bearing inner cover, and a through type pressure filling oil cup is connected to the rear lubrication cavity.

Further, the synchronizing wheel a is connected with the outer cover of the rear bearing in a locking mode.

Furthermore, a stator core is mounted on the motor spindle, and the stator core interacts with the magnetic steel on the inner wall of the winding drum to drive the winding drum to rotate.

Furthermore, a junction box connected with the end part of the main shaft of the motor is arranged on the outer side of the supporting seat b.

Furthermore, the front bearing outer cover, the front bearing inner cover, the rear bearing outer cover and the rear bearing inner cover are all connected to the motor spindle through framework oil seals.

As a further step, the sizes of the synchronizing wheels a and b are different, and the size of the synchronizing wheel a is larger than that of the synchronizing wheel b.

As a further step, the reel is located between the support seat a and the support seat b.

The utility model discloses an above technical scheme, compare with prior art, the advantage that has is: the driving method and the structure are simplified, the driving efficiency is improved, and the energy loss is reduced; the transmission mode is simple, the assembly is convenient, the number of easily damaged parts is small, the maintenance amount is small, the failure rate is low, and the later maintenance cost is saved. And the terminal protector is arranged, so that the winch can be in a safe state.

Drawings

FIG. 1 is a half-section view of an integrated outer rotor permanent magnet direct-drive winch;

FIG. 2 is a side view of the integrated outer rotor permanent magnet direct drive winch;

wherein: 1. the self-aligning oil injection device comprises a winding drum, 2, a front end cover, 3, a rear end cover, 4, a front bearing outer cover, 5, a front bearing inner cover, 6, a rear bearing outer cover, 7, a rear bearing inner cover, 8, a junction box, 9, a motor spindle, 10, supporting seats a and 11, a terminal protector, 12, synchronizing wheels a and 13, synchronizing wheels b and 14, supporting seats b and 15, a self-aligning roller bearing, 16 and a straight-through type pressure injection oil cup.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more clearly understood, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the application, i.e., the embodiments described are only a subset of, and not all embodiments of the application. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

Example 1

As shown in fig. 1-2, this embodiment provides an integrated external rotor permanent magnet direct-drive winch, including a winding drum, a motor spindle, a synchronizing wheel a, a synchronizing wheel b, and an encoder, where the winding drum is used to arrange a steel wire rope or a chain on the surface of the winch to pull a heavy object, and two ends of the winding drum are respectively connected to a front end cover and a rear end cover, the front end cover and the rear end cover are both connected to the motor spindle through a self-aligning roller bearing, two sides of the self-aligning roller bearing located at the front end are respectively provided with a front bearing outer cover and a front bearing inner cover, a front lubrication chamber is formed between the front bearing outer cover, the front end cover and the front bearing inner cover, and the front lubrication chamber is connected to a straight-through pressure injection oil cup (the model of which may be M10 × 1); a rear bearing outer cover and a rear bearing inner cover are respectively arranged at two sides of the self-aligning roller bearing at the rear end, a rear lubrication chamber is formed among the rear bearing outer cover, the rear end cover and the rear bearing inner cover, and the rear lubrication chamber is connected with a straight-through type forced injection oil cup (the type can be M10 x 1) for adding lubricating grease to the self-aligning roller bearing; motor spindle both ends are fixed respectively on supporting seat an and supporting seat b, are equipped with encoder and terminal protector at supporting seat b top, and this terminal protector links to each other with the encoder respectively, the power that is arranged in the terminal box, the encoder still is connected with synchronizing wheel b, and this synchronizing wheel b passes through the hinge and links to each other with synchronizing wheel a, synchronizing wheel a and rear bearing enclosing cover locking connection, the encoder passes through the synchronizing wheel and acquires the gyration number of reel to convert it into the signal of telecommunication and give terminal protector, when the terminal protector detects that rotation signal is not in setting for the threshold value within range, then power off.

The motor main shaft is provided with a stator core, and the stator core and the magnetic steel on the inner wall of the winding drum interact with each other to provide driving force for the winding drum.

And a junction box connected with the end part of the main shaft of the motor is arranged on the outer side of the supporting seat b, and a cable of the winch is connected in the junction box to protect the electric wire.

The type of the synchronizing wheel a is preferably 130Z8M, the type of the synchronizing wheel b is preferably 8M20Z, and the synchronizing wheel a and the synchronizing wheel b do not slide relatively.

The driving force is provided for the winch through the outer rotor roller motor; after the junction box is electrified, current generates a magnetic field through the stator coil, then generates driving force after interacting with the magnetic steel on the inner side of the winding drum, and converts a rotation signal into an electric signal through the encoder to be transmitted to the terminal protector so as to judge whether the rotation speed range is set.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application, to thereby enable others skilled in the art to make and utilize various exemplary embodiments of the invention and various alternatives and modifications. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims

1. The utility model provides an integrated form external rotor permanent magnetism directly drives hoist engine, its characterized in that, includes reel, motor spindle, synchronizing wheel an, synchronizing wheel b and encoder, the reel both ends are connected with front end housing and rear end cap respectively, front end housing and rear end cap all connect on motor spindle through aligning roller bearing, motor spindle both ends are fixed respectively on supporting seat an and supporting seat b, are equipped with the encoder at supporting seat b top, the encoder is connected with synchronizing wheel b, and this synchronizing wheel b passes through the hinge and links to each other with synchronizing wheel a.

2. The integrated outer rotor permanent magnetic direct drive winch according to claim 1, further comprising a terminal protector on the supporting seat b, wherein the terminal protector is respectively connected with the encoder and a power supply in the junction box.

3. The integrated outer rotor permanent magnet direct-drive winch according to claim 1, wherein a front bearing outer cover and a front bearing inner cover are respectively arranged on two sides of the self-aligning roller bearing located at the front end, a front lubrication chamber is formed among the front bearing outer cover, the front end cover and the front bearing inner cover, and a through-type pressure injection oil cup is connected to the front lubrication chamber.

4. The integrated outer rotor permanent magnet direct-drive winch according to claim 1, wherein a rear bearing outer cover and a rear bearing inner cover are respectively arranged on two sides of the self-aligning roller bearing located at the rear end, a rear lubrication chamber is formed among the rear bearing outer cover, the rear end cover and the rear bearing inner cover, and a through-type pressure injection oil cup is connected to the rear lubrication chamber.

5. The integrated outer rotor permanent magnetic direct drive winch according to claim 4, wherein the synchronizing wheel a is in locking connection with the outer cover of the rear bearing.

6. The integrated outer rotor permanent magnet direct drive winch according to claim 1, wherein a stator core is mounted on the motor spindle, and the stator core interacts with the magnetic steel on the inner wall of the winding drum to drive the winding drum to rotate.

7. The integrated outer rotor permanent magnetic direct drive winch according to claim 1, wherein a junction box connected with the end part of a main shaft of a motor is arranged on the outer side of the supporting seat b.

8. The integrated outer rotor permanent magnet direct drive winch according to claim 3, wherein the front bearing outer cover, the front bearing inner cover, the rear bearing outer cover and the rear bearing inner cover are all connected to the motor spindle through a framework oil seal.

9. The integrated outer rotor permanent magnetic direct drive winch according to claim 1, wherein the synchronizing wheels a and b are different in type, and the size of the synchronizing wheel a is larger than that of the synchronizing wheel b.

10. The integrated outer rotor permanent magnet direct drive winch according to claim 1, wherein the winding drum is located between the supporting seat a and the supporting seat b.