A direct drive integrated electric winch device

Abstract

The application discloses a direct drive integrated electric winch device, which comprises a driving motor, a reversing device, a brake device, a winding drum and a support, the driving motor comprises a motor main shaft, a motor stator, a motor rotor, a stator support, an output side rotor support, a non-output side rotor support and a rotor bearing, the reversing device comprises an input shaft, an output shaft, a shell and a bearing, the brake device comprises a brake rotor and a brake stator, the motor rotor is connected with the input shaft of the reversing device through a spline to transmit a torque, the output shaft is connected with the winding drum to transmit a torque, the brake rotor is connected with the input shaft through a spline to transmit a braking torque, and the supports at both ends are connected with the motor main shaft and the brake stator respectively.The winch device can fully utilize the internal space of the winding drum, has a small volume, a high degree of integration, has a parking brake function, can output a higher winding drum rotating speed by directly driving the winding drum by using the motor, and the like.

Description

TECHNICAL FIELD

[0001] The present application belongs to the mechanical technical field, and particularly relates to a direct-drive integrated electric winch device. BACKGROUND

[0002] The winch is a common mechanical equipment at present and is widely applied in the fields of ships, buildings and mines and mainly used for traction, braking or lifting load.

[0003] The common winch at present is driven by hydraulic pressure or motor, and the structure of the winch driven by the motor is usually in series connection of a driving motor, a speed reduction mechanism and a winch drum, and a shaft coupling is used for connecting the middle part, the winch drum is rotated by the motor to complete the work of winding and unwinding the cable. The winch of this type has low structure integration and large floor space. SUMMARY

[0004] In order to improve the integration of the winch and further reduce the floor space, the present application provides a direct-drive integrated electric winch device, which is driven by a permanent magnet motor and the permanent magnet motor is placed in the winch drum to fully utilize the internal space.

[0005] The technical scheme adopted by the present application to solve the technical problem is that a direct-drive integrated electric winch device comprises a support and a drum, a reversing device and a brake device which are horizontally arranged on the support in sequence, further comprises a driving motor in the drum, the brake device is located on the non-output side of the reversing device, and the torque input and output of the reversing device are on the same side; the driving motor is an outer rotor permanent magnet motor, comprising a motor main shaft fixed on the output side rotor support and the non-output side rotor support through rotor bearings, a motor stator installed on the motor main shaft through a stator support, the motor stator and the motor main shaft are connected and kept stationary, a motor rotor is fixed between the output side rotor support and the non-output side rotor support, and the output side rotor support is connected with the reversing device through internal splines to transmit torque; the reversing device comprises an input shaft connected with the motor rotor in the form of splines to input torque and a housing supporting the input shaft through bearings, further comprises an output shaft supported on the housing through bearings, and the output shaft is connected with the drum through flanges to output torque, so as to drive the drum to rotate and realize winding and unwinding of the cable, the other side of the drum is connected with the motor main shaft through bearings, the right side of the drum is supported on the motor main shaft through bearings, and the left side is supported on the output shaft through flanges; the brake device comprises a brake rotor connected with the input shaft through internal splines to transmit braking torque and a brake stator arranged outside the brake rotor, the brake is a static parking brake, braking torque is generated on the input shaft when the brake is closed, so as to achieve the braking effect, and the brake stator is connected with the housing through flanges.

[0006] The one direct drive integrated electric winch device, the support is distributed to left and right sides, one side is connected with the motor main shaft, and the other side is connected with the brake stator.

[0007] The one direct drive integrated electric winch device, since the driving motor is located inside the drum, the heat dissipation condition is poor, the motor stator uses water cooling, the motor main shaft is provided with a cable routing hole and a motor water cooling pipe hole, the water pipe is led out to the outside from the water cooling pipe hole, and the power supply cable is led out to the outside through the cable routing hole.

[0008] The one direct drive integrated electric winch device, the output side rotor support is connected with the commutating device through the internal spline to transmit the torque.

[0009] The one direct drive integrated electric winch device, the input shaft is a hollow shaft, and the left and right ends are connected with the motor rotor and the brake rotor through two groups of external splines to transmit the torque, and supported on the shell and the output shaft through bearings.

[0010] The one direct drive integrated electric winch device, the output shaft is a hollow shaft, the left side is connected with the external spline of the middle part of the input shaft through the internal spline to transmit the torque, the inside is sleeved on the input shaft through bearings to support the input shaft, the outside is supported on the shell through bearings, and the input shaft drives the output shaft to rotate when rotating.

[0011] The winch device provided by the application can fully utilize the internal space of the winch drum, has small volume, high integration degree, has the parking brake function, directly drives the drum by the motor, and can output higher drum rotating speed. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the overall structure schematic diagram of the application;

[0013] Figure 2 It is the structure schematic diagram of the driving motor of the application;

[0014] Figure 3 It is the structure schematic diagram of the commutating device of the application;

[0015] Figure 4 It is the structure schematic diagram of the brake device of the application.

[0016] The reference signs are: 1 - drive motor, 11 - motor main shaft, 12 - motor stator, 13 - motor rotor, 14 - stator support, 15 - output side rotor support, 16 - rotor bearing, 17 - non-output side rotor support, 2 - reversing device, 21 - input shaft, 22 - output shaft, 23 - housing, 24 - bearing, 3 - brake device, 31 - brake rotor, 32 - brake stator, 4 - drum, 5 - support. DETAILED DESCRIPTION

[0017] The embodiments of the present application will be described in detail below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present application, and are not intended to limit the protection scope of the present application. For example, although the various components in the drawings are drawn in a specific proportion, these proportion relationships are only exemplary, and those skilled in the art can adjust them as needed to adapt to specific application occasions.

[0018] It should be noted that in the description of the present application, the terms "output side", "non-output side", "inner", "outer", "left", "right" and the like indicate the direction or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed or operated in a particular orientation, and therefore cannot be understood as a limitation on the application.

[0019] The present application discloses a direct drive integrated electric winch device, comprising a drive motor 1, a reversing device 2, a brake device 3, a drum 4, and a support 5, as shown in one embodiment thereof. Figure 1 The drive motor 1 is an outer rotor permanent magnet motor, located inside the drum 4, and the drive motor 1 and the reversing device 2 transmit torque through spline; the brake device 3 is located on the non-output side of the reversing device 2 and is connected thereto through a flange; one side of the drum 4 is connected to the reversing device 2 through a flange, and the other side is connected to the motor main shaft 11 of the drive motor 1 through a bearing; the support 5 is located at both ends of the winch, one side is connected to the motor main shaft 11, and the other side is connected to the brake stator 32.

[0020] As Figure 2As shown, the driving motor 1 includes a motor main shaft 11, a motor stator 12, a motor rotor 13, a stator support 14, an output side rotor support 15, a non-output side rotor support 17 and a rotor bearing 16. The output side rotor support 15 and the non-output side rotor support 17 are fixed to the motor main shaft 11 through the rotor bearing 16, the motor main shaft 11 is provided with a cable routing hole and a motor water cooling pipe hole, the output side rotor support 15 is provided with an inner spline and can be connected with the reversing device 2 to transmit torque. Since the driving motor 1 is located inside the winding drum 4, the heat dissipation condition is poor, the motor stator 12 uses water cooling for heat dissipation, and the water pipe is led out to the outside from the water cooling pipe hole of the motor main shaft 11, and the power supply cable is led out to the outside through the cable routing hole of the motor main shaft 11.

[0021] As shown in the figure, Figure 3 As shown, the reversing device 2 includes an input shaft 21, an output shaft 22, a housing 23 and a bearing 24; the torque input and output of the reversing device 2 are on the same side; the input shaft 21 is a hollow shaft, and two groups of outer splines are arranged at the left and right ends to connect the motor rotor 13 and the brake rotor 31 to transmit torque, and an outer spline is arranged at the middle part to cooperate with the inner spline of the output shaft 22 and is supported on the housing 23 and the output shaft 22 through a bearing; the output shaft 22 is a hollow shaft, and an inner spline is arranged at the left side to connect the input shaft 21 to transmit torque, the inner side provides support for the input shaft 21 through a bearing, and the outer side is supported on the housing 23 through a bearing.

[0022] As shown in the figure, Figure 4 As shown, the brake device 3 is an electromagnetic brake, including a brake rotor 31 and a brake stator 32; the brake rotor 31 is connected with the input shaft 21 through an inner spline to transmit braking torque, and the brake stator 32 is connected with the housing 23 of the reversing device 2 through a flange.

[0023] The working principle of the present application is as follows: the driving motor 1 is supported by the support 5 on the right side, supported by the input shaft 21 of the reversing device 2 on the left side through the spline connection, the input shaft 21 is supported on the housing 23 and the output shaft 22 through a bearing, the winding drum 4 is supported on the motor main shaft 11 through a bearing on the right side and is supported on the output shaft 22 through a flange on the left side, and the output shaft 22 is supported on the housing 23 through an outer side bearing. The motor stator 12 of the driving motor 1 located inside the winding drum 4 generates a rotating magnetic field under the control of the frequency conversion cabinet after being electrified, drives the motor rotor 13 to rotate, the motor rotor 13 and the input shaft 21 of the reversing device 2 are connected through the spline to transmit torque, the input shaft 21 rotates the output shaft 22 to operate, the output shaft 22 is connected with the winding drum 4 through a flange, thereby driving the winding drum 4 to rotate, and realizing the winding and unwinding of the cable. The brake rotor 31 of the brake device 3 is connected with the input shaft 21 of the reversing device 2 through a spline, the brake is a static parking brake, and when the brake is closed, a braking torque acts on the input shaft 21, thereby achieving the braking effect.

[0024] The above embodiments only illustrate the principles and effects of the present application and some applied embodiments, and for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present application, which shall all fall within the protection scope of the present application.

Claims

1. A direct-drive integrated electric winch device, characterized in that: The device includes a support (5) and a drum (4), a reversing device (2), and a braking device (3) arranged sequentially on the support (5). It also includes a drive motor (1) located inside the drum (4). The drive motor (1) is an external rotor permanent magnet motor, including a motor spindle (11) fixed to the output-side rotor support (15) and the non-output-side rotor support (17) via rotor bearings (16), and a motor stator (12) mounted on the motor spindle (11) via a stator support (14). A motor rotor (13) is fixed between the output-side rotor support (15) and the non-output-side rotor support (17). The reversing device (2) includes an input shaft (21) connecting the motor rotor (13) and a housing (23) supporting the input shaft (21) via bearings (24). The output shaft (22) is supported on the housing (23) by bearing (24). The output shaft (22) is connected to the drum (4) by flange. The other side of the drum (4) is connected to the motor spindle (11) by bearing. The braking device (3) includes a brake rotor (31) connected to the input shaft (21) and a brake stator (32) disposed outside the brake rotor (31). The brake stator (32) is connected to the housing (23) by flange. The input shaft (21) is a hollow shaft. The left and right ends are connected to the motor rotor (13) and the brake rotor (31) by external splines, respectively. The output shaft (22) is a hollow shaft. The left side is connected to the input shaft (21) by internal splines. The inner side provides support for the input shaft (21) by bearings. The outer side is supported on the housing (23) by bearings.

2. The direct-drive integrated electric winch device according to claim 1, characterized in that, The bracket (5) is distributed on the left and right sides, with one side connected to the motor main shaft (11) and the other side connected to the brake stator (32).

3. The direct-drive integrated electric winch device according to claim 1, characterized in that, The motor spindle (11) has cable routing holes and motor water cooling pipe holes.

4. The direct-drive integrated electric winch device according to claim 1, characterized in that, The output-side rotor bracket (15) is connected to the commutation device (2) via an internal spline.

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