Electric capstan device

Abstract

An electric capstan device relates to the technical field of capstan. The electric capstan device comprises a driver, a speed reducer, a rotating body and a base support. The rotating body comprises a rotating shaft; the rotating shaft is rotatably connected to the base bracket; the driver is in driving connection with the rotating shaft through the speed reducer so as to drive the rotating body to rotate along with the rotating shaft; the driver and / or the speed reducer are / is connected to the base support. The driver is a stepping motor. The utility model aims to provide an electric capstan device so as to solve the technical problems in the prior art that the lifting distance cannot be accurately controlled and the noise is large to a certain extent.

Description

Technical Field

[0001] The utility model relates to the technical field of winches, in particular to an electric winch device. Background Art

[0002] A winch is a hoisting tool that uses a drum that is rotated by human or mechanical power to horizontally wind a flexible member (wire rope, chain, etc.) to complete traction operations; winches include manual winches and electric winches. Existing electric winches cannot accurately control the lifting distance and have the disadvantage of high noise. Utility Model Content

[0003] The utility model aims to provide an electric winch device, so as to solve the technical problems existing in the prior art that the lifting distance cannot be accurately controlled and the noise is large.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] An electric winch device comprises a driver, a reducer, a rotating body and a base bracket;

[0006] The rotating body comprises a rotating shaft; the rotating shaft is rotatably connected to the base bracket;

[0007] The driver is connected to the rotating shaft through the reducer so as to drive the rotating body to rotate along with the rotating shaft;

[0008] The driver and / or the reducer are connected to the base support;

[0009] The driver is a stepping motor.

[0010] In any of the above technical solutions, optionally, the rotating body further comprises a sleeve rotating disk rotatably connected to the base bracket; the sleeve rotating disk is sleeved on the rotating shaft, and the sleeve rotating disk rotates synchronously with the rotating shaft;

[0011] The rotating shaft comprises a first end and a second end corresponding to each other along its own axial direction; the first end of the rotating shaft is connected to a clutch handle;

[0012] The reducer is provided with a reduction connection groove for accommodating at least a portion of the second end of the rotating shaft, and the sleeve rotating disk is provided with a sleeve connection groove for accommodating at least a portion of the second end of the rotating shaft;

[0013] The clutch handle is configured to move along the axial direction of the rotating shaft under the driving force of an external force, so that the second end of the rotating shaft is retracted into the sleeve connecting groove and away from the speed reduction connecting groove.

[0014] In any of the above technical solutions, optionally, an elastic member is provided between the sleeve rotating disk and the rotating shaft; the elastic member has an elastic deformation which tends to make the second end of the rotating shaft extend into the deceleration connection groove.

[0015] In any of the above technical solutions, optionally, the rotating shaft includes a rotating shaft portion and a rotating boss portion located at the second end; the diameter of the rotating boss portion is greater than the diameter of the rotating shaft portion;

[0016] The elastic member is sleeved on the rotating shaft portion and is located in the decelerating connection groove, and the elastic member is arranged between the rotating boss portion and the groove bottom of the decelerating connection groove.

[0017] In any of the above technical solutions, optionally, the rotating boss portion is connected to the reducer via a spline transmission;

[0018] The rotating boss portion is connected to the sleeve turntable through a spline transmission.

[0019] In any of the above technical solutions, optionally, the reducer includes a flange, and the flange is connected to the output shaft of the reducer;

[0020] The speed reduction connection groove is arranged on the flange.

[0021] In any of the above technical solutions, optionally, the rotating body further includes a flexible member capable of being wound around the sleeve turntable; wherein one end of the flexible member is fixedly connected to the sleeve turntable, and the other end can extend out of the sleeve turntable.

[0022] In any of the above technical solutions, optionally, the reducer includes a planetary gear; and the stepper motor is a brake stepper motor.

[0023] In any of the above technical solutions, optionally, the base support includes a rotation support portion and a deceleration support portion;

[0024] The rotating body is rotatably connected to the rotating support portion, and the fixing portion of the reducer and / or the fixing portion of the driver is fixedly connected to the deceleration support portion.

[0025] In any of the above technical solutions, optionally, the base support further includes a base portion;

[0026] The number of the rotating support parts is two; the two ends of the rotating body are respectively connected to the two rotating support parts through bearings;

[0027] The rotation support portion is fixedly connected to the base portion, and the deceleration support portion is fixedly connected to the rotation support portion.

[0028] The beneficial effects of the utility model are mainly:

[0029] The electric winch device provided by the utility model comprises a driver, a reducer, a rotating body and a base bracket, wherein the rotating shaft of the rotating body can be rotatably connected to the base bracket, and the driver is driven by the reducer to be connected to the rotating shaft to increase the torque of the driver so as to be able to increase the pulling force of the rotating body when it rotates with the rotating shaft; by using the driver as a stepper motor, the noise of the existing driver can be greatly reduced, and the angular displacement of the rotating shaft can be accurately controlled by the stepper motor to improve the lifting distance accuracy of the flexible member wrapped around the rotating body, effectively solving the technical problems existing in the prior art of being unable to perform accurate lifting distance control and high noise.

[0030] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0032] Figure 1 A schematic diagram of the structure of an electric winch device provided in an embodiment of the utility model;

[0033] Figure 2 for Figure 1 A schematic diagram of the structure of the electric winch device from a first perspective is shown;

[0034] Figure 3 for Figure 1 A second perspective structural schematic diagram of the electric winch device shown;

[0035] Figure 4 for Figure 1 A cross-sectional view of the electric winch device shown;

[0036] Figure 5 for Figure 4 The AA sectional view of the electric winch device shown;

[0037] Figure 6 for Figure 4 A BB sectional view of the electric winch device shown.

[0038] Icons: 100-driver; 200-reducer; 210-flange; 220-reduction connecting groove; 300-rotating body; 310-rotating shaft; 320-sleeve turntable; 330-elastic member; 340-flexible member; 400-base bracket; 410-rotation support part; 420-reduction support part; 430-base part; 440-bearing; 500-clutch handle. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Generally, the components of the embodiment of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0040] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0042] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0043] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0044] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0046] Example

[0047] This embodiment provides an electric winch device; please refer to Figure 1-Figure 6 , Figure 1-Figure 3 A schematic diagram of the structure of the electric winch device provided by the embodiment of the utility model from three viewing angles; Figure 4 This is a cross-sectional view of the electric winch device. In order to better show the structure, Figure 4 Only some drives are shown. Figure 5 for Figure 4 The AA sectional view of the electric winch device shown in FIG. Figure 6 for Figure 4 The BB section view of the electric winch device shown in FIG. Figure 5 and Figure 6 for Figure 4 The cross-sectional view of the entire electric winch device shown is not Figure 4 A cross-sectional view of the electric winch device shown after sectioning.

[0048] The electric winch device provided in this embodiment can be used in the fields of unmanned logistics and intelligent logistics technology, such as distribution modules or other modules in express delivery centers, and can also be used in other technical fields.

[0049] See also Figure 1-Figure 6 As shown, the electric winch device includes a driver 100 , a reducer 200 , a rotating body 300 and a base bracket 400 .

[0050] The rotating body 300 includes a rotating shaft 310 ; the rotating shaft 310 is rotatably connected to the base bracket 400 .

[0051] The driver 100 drives the rotating shaft 310 through the reducer 200, so as to drive the rotating body 300 to rotate with the rotating shaft 310. The reducer 200 is used to increase the output torque of the driver 100 and enhance the carrying capacity of the electric winch device, thereby ensuring the normal operation of the electric winch device.

[0052] The driver 100 and / or the reducer 200 are connected to the base bracket 400 ; that is, the driver 100 is connected to the base bracket 400 , or the reducer 200 is connected to the base bracket 400 , or both the driver 100 and the reducer 200 are connected to the base bracket 400 .

[0053] Optionally, the driver 100 is a stepper motor. The stepper motor has the characteristic of precise control, and the angular displacement of the rotating shaft 310 is precisely controlled by the stepper motor to improve the lifting distance accuracy of the flexible member wrapped around the rotating body 300; the stepper motor also has the characteristic of low noise, which can greatly reduce the noise of the existing driver.

[0054] Optionally, the stepper motor is a brake stepper motor; by using a brake stepper motor to ensure the locking force of the object in the lifting position when the electric winch device lifts the object, it not only improves safety but also saves the power consumed by the driver 100 due to continuous operation.

[0055] The electric winch device described in this embodiment includes a driver 100, a reducer 200, a rotating body 300 and a base bracket 400, wherein the rotating shaft 310 of the rotating body 300 can be rotatably connected to the base bracket 400, and the driver 100 is driven by the reducer 200 to connect the rotating shaft 310 to increase the torque of the driver 100 so as to increase the pulling force of the rotating body 300 when the rotating shaft 310 rotates; by using the driver 100 as a stepper motor, the noise of the existing driver 100 can be greatly reduced, and the angular displacement of the rotating shaft 310 can be accurately controlled by the stepper motor to improve the lifting distance accuracy of the flexible member wrapped around the rotating body 300, which effectively solves the technical problems of the inability to accurately control the lifting distance and the high noise in the prior art.

[0056] Optionally, the reducer 200 includes a planetary gear, for example, the reducer 200 is a planetary gear reducer. By using the reducer 200 with a planetary gear, the output torque of the driver 100 can be increased to enhance the load-bearing capacity of the electric winch device, and the requirement for lower noise of the electric winch device can be met.

[0057] See also Figure 1-Figure 6 As shown, in an optional scheme of this embodiment, the rotating body 300 also includes a sleeve turntable 320 rotatably connected to the base bracket 400; the sleeve turntable 320 is sleeved on the rotating shaft 310, and the sleeve turntable 320 rotates synchronously with the rotating shaft 310; that is, the rotating shaft 310 is rotatably connected to the base bracket 400 through the sleeve turntable 320.

[0058] The rotating shaft 310 includes a first end and a second end corresponding to each other along its own axial direction; the first end of the rotating shaft 310 is connected to the clutch handle 500 .

[0059] The reducer 200 is provided with a reduction connection groove 220 for accommodating at least a portion of the second end of the rotating shaft 310 , and the sleeve rotating disk 320 is provided with a sleeve connection groove for accommodating at least a portion of the second end of the rotating shaft 310 .

[0060] The clutch handle 500 is configured to move axially along the rotating shaft 310 under the drive of external force, so that the second end of the rotating shaft 310 is retracted into the sleeve connection groove and away from the reduction connection groove 220, that is, the second end of the rotating shaft 310 leaves the reduction connection groove 220, so that the rotating shaft 310 is separated from the reducer 200, so as to cut off the power transmitted to the rotating shaft 310 by the driver 100 through the reducer 200. Figure 4 The state of the electric winch device shown is the state of the rotation shaft 310 and the reducer 200 being connected. The driver 100 can transmit power to the rotation shaft 310 through the reducer 200. When a fault occurs or the connection between the rotation shaft 310 and the reducer 200 needs to be cut off, the clutch handle 500 can be manually operated, as shown in FIG. Figure 4 As shown, the clutch handle 500 is pulled leftward to make the second end of the rotating shaft 310 move leftward and leave the speed reduction connection groove 220 .

[0061] See also Figure 4 As shown, in an optional solution of this embodiment, an elastic member 330 is arranged between the sleeve rotating disk 320 and the rotating shaft 310; the elastic member 330 has an elastic deformation that makes the second end of the rotating shaft 310 extend into the deceleration connection groove 220. Under the drive of external force, the second end of the rotating shaft 310 moves with the clutch handle 500 and moves away from the deceleration connection groove 220, so that the rotating shaft 310 and the reducer 200 are separated; after the external force on the clutch handle 500 is withdrawn, the elastic member 330 drives the second end of the rotating shaft 310 to extend into the deceleration connection groove 220 through its own elastic deformation, so that the rotating shaft 310 and the reducer 200 are connected.

[0062] Optionally, the elastic member 330 is a spring or other elastic structures.

[0063] See also Figure 4 As shown, in an optional solution of this embodiment, the rotating shaft 310 includes a rotating shaft portion and a rotating boss portion located at the second end; the diameter of the rotating boss portion is larger than the diameter of the rotating shaft portion. The elastic member 330 is sleeved on the rotating shaft portion and is located in the deceleration connection groove 220, and the elastic member 330 is arranged between the rotating boss portion and the groove bottom of the deceleration connection groove 220. Through the rotating shaft portion and the rotating boss portion, the elastic member 330 can better drive the second end of the rotating shaft 310 to reset.

[0064] See also Figure 4-Figure 6As shown, in an optional scheme of this embodiment, the rotating boss portion is connected to the reducer 200 via a spline transmission; by adopting the spline transmission, the transmission efficiency between the rotating shaft 310 and the reducer 200 can be effectively improved, and a larger radial and axial load can be transmitted, which facilitates the clutch between the rotating shaft 310 and the reducer 200.

[0065] See also Figure 4-Figure 6 As shown, in an optional solution of this embodiment, the rotating boss portion and the sleeve turntable 320 are connected via a spline transmission; by adopting the spline transmission, the transmission efficiency between the rotating shaft 310 and the sleeve turntable 320 can be effectively improved, and a larger radial and axial load can be transmitted.

[0066] See also Figure 4 As shown, in an optional solution of this embodiment, the reducer 200 includes a flange 210, and the flange 210 is connected to the output shaft of the reducer 200; the reduction connection groove 220 is arranged on the flange. By arranging the reduction connection groove 220 on the flange 210, it is helpful to the structural processing of the electric winch device.

[0067] See also Figure 1-Figure 4 As shown, in an optional scheme of this embodiment, the rotating body 300 also includes a flexible member 340 that can be wrapped around the sleeve turntable 320; wherein, one end of the flexible member 340 is fixedly connected to the sleeve turntable 320, and the other end of the flexible member 340 can extend out of the sleeve turntable 320 to connect an object.

[0068] Optionally, the flexible member 340 is a flexible structural member such as a rope, a chain, or a steel wire.

[0069] See also Figure 1-Figure 4 As shown, in an optional solution of this embodiment, the base support 400 includes a rotation support portion 410 and a deceleration support portion 420 .

[0070] The rotating body 300 is rotatably connected to the rotating support part 410 . Specifically, the rotating shaft 310 is rotatably connected to the rotating support part 410 via the sleeve rotating disk 320 .

[0071] The fixing portion of the reducer 200 and / or the fixing portion of the driver 100 is fixedly connected to the reduction support portion 420 .

[0072] See also Figure 1-Figure 4 As shown, in an optional solution of this embodiment, the base bracket 400 also includes a base portion 430 .

[0073] There are two rotating support parts 410; the two ends of the rotating body 300 are respectively connected to the two rotating support parts 410 through bearings 440; through the bearings 440, the friction between the rotating body 300 and the rotating support part 410 can be effectively reduced, that is, the friction between the sleeve turntable 320 and the rotating support part 410 can be effectively reduced.

[0074] Optionally, the rotation support portion 410 is fixedly connected to the base portion 430 , for example, the rotation support portion 410 is fixedly connected to the base portion 430 by welding, screw connection, riveting, etc.

[0075] Optionally, the deceleration support portion 420 is fixedly connected to the rotation support portion 410 , for example, the deceleration support portion 420 is fixedly connected to the rotation support portion 410 by welding, screw connection, riveting, etc.

[0076] Optionally, the fixing portion of the reducer 200 is fixedly connected to the reduction support portion 420 , for example, the fixing portion of the reducer 200 is fixedly connected to the reduction support portion 420 by welding, screw connection, riveting, or the like.

[0077] Optionally, the fixed portion of the driver 100 is fixedly connected to the fixed portion of the reducer 200 , for example, the fixed portion of the driver 100 is fixedly connected to the reducer 200 by welding, screw connection, riveting, etc.

[0078] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An electric winch device, characterized in that: It includes a driver, a reducer, a rotating body and a base bracket; The rotating body comprises a rotating shaft; the rotating shaft is rotatably connected to the base bracket; The driver is connected to the rotating shaft through the reducer so as to drive the rotating body to rotate along with the rotating shaft; The driver and / or the reducer are connected to the base support; The driver is a stepping motor.

2. The electric winch device according to claim 1, characterized in that: The rotating body further comprises a sleeve rotating disk rotatably connected to the base bracket; the sleeve rotating disk is sleeved on the rotating shaft, and the sleeve rotating disk rotates synchronously with the rotating shaft; The rotating shaft comprises a first end and a second end corresponding to each other along its own axial direction; the first end of the rotating shaft is connected to a clutch handle; The reducer is provided with a reduction connection groove for accommodating at least a portion of the second end of the rotating shaft, and the sleeve rotating disk is provided with a sleeve connection groove for accommodating at least a portion of the second end of the rotating shaft; The clutch handle is configured to move along the axial direction of the rotating shaft under the driving force of an external force, so that the second end of the rotating shaft is retracted into the sleeve connecting groove and away from the speed reduction connecting groove.

3. The electric winch device according to claim 2, characterized in that: An elastic member is arranged between the sleeve rotating disk and the rotating shaft; the elastic member has an elastic deformation which tends to make the second end of the rotating shaft extend into the speed reduction connection groove.

4. The electric winch device according to claim 3, characterized in that: The rotating shaft comprises a rotating shaft portion and a rotating boss portion located at the second end; the diameter of the rotating boss portion is greater than the diameter of the rotating shaft portion; The elastic member is sleeved on the rotating shaft portion and is located in the decelerating connection groove, and the elastic member is arranged between the rotating boss portion and the groove bottom of the decelerating connection groove.

5. The electric winch device according to claim 4, characterized in that: The rotating boss portion is connected to the reducer via a spline transmission; The rotating boss portion is connected to the sleeve turntable through a spline transmission.

6. The electric winch device according to claim 2, characterized in that: The reducer comprises a flange, and the flange is connected to the output shaft of the reducer; The speed reduction connection groove is arranged on the flange.

7. The electric winch device according to claim 2, characterized in that: The rotating body also includes a flexible member that can be wound around the sleeve turntable; wherein one end of the flexible member is fixedly connected to the sleeve turntable, and the other end can extend out of the sleeve turntable.

8. The electric winch device according to claim 1, characterized in that: The reducer comprises a planetary gear; and the stepper motor is a brake stepper motor.

9. The electric winch device according to claim 1, characterized in that: The base support includes a rotation support portion and a deceleration support portion; The rotating body is rotatably connected to the rotating support portion, and the fixing portion of the reducer and / or the fixing portion of the driver is fixedly connected to the deceleration support portion.

10. The electric winch device according to claim 9, characterized in that: The base support also includes a base portion; The number of the rotating support parts is two; the two ends of the rotating body are respectively connected to the two rotating support parts through bearings; The rotation support portion is fixedly connected to the base portion, and the deceleration support portion is fixedly connected to the rotation support portion.

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