Magnetic coupling type cable drum structure

Abstract

The utility model relates to a magnetic coupling type cable drum structure which comprises a cable drum body arranged at the bottom of an electric flat carriage, the cable drum body comprises a frame body, a main shaft, a magnetic coupler, a drum body, a one-way bearing and a transmission chain wheel set, the main shaft and the magnetic coupler are installed on the frame body, the drum body is arranged on the main shaft in a sleeving mode, and the one-way bearing and the transmission chain wheel set are connected with the main shaft. The electric flat carriage comprises a power mechanism, the power mechanism is connected with a transmission chain wheel set, and a cable is wound on a barrel. The magnetic coupler is installed on the frame body through an adjustable bolt, and the distance between the magnetic coupler and the cylinder body is adjusted through the adjustable bolt. According to the cable drum structure, the unpowered magnetic coupling type cable drum is adopted, energy is saved, the magnetic coupling device is adopted as a synchronous differential mechanism, reliable synchronism is achieved, the magnetic coupling performance is stable and is not affected by working condition changes, cable tension can be adjusted by adjusting the abutting tightness between the magnetic coupling device and the drum body, and the cable tension can be adjusted by adjusting the abutting tightness between the magnetic coupling device and the drum body. The operation is convenient and feasible.

Description

Technical Field

[0001] The present application relates to the technical field of cable reels, and in particular to a magnetically coupled cable reel structure. Background Art

[0002] The reel is often used in electric flat carts, where the bottom space is narrow. This type of reel has a simple and compact structure and is easy to install and use.

[0003] At present, spring reels and electric reels are commonly used in the market. This type of reel does not require gears or sprockets, and can achieve large stroke and torque conversion through a certain transmission ratio. It has a simple structure and low cost. However, spring reels only have fixed tension and cannot adjust the tension. Electric reels need to adjust the tension through a torque regulator. The structure is complex, and the electric drive requires energy, which increases the cost. Utility Model Content

[0004] Based on this, it is necessary to provide a magnetically coupled cable reel structure, including a cable reel body arranged at the bottom of an electric flat cart, the cable reel body including a frame, a main shaft, a magnetic coupler, a cylinder, a one-way bearing and a transmission sprocket group, the main shaft and the magnetic coupler are installed on the frame, the cylinder is sleeved on the main shaft, the one-way bearing and the transmission sprocket group are connected to the main shaft, the electric flat cart includes a power mechanism, the power mechanism is connected to the transmission sprocket group, and the cable is wound on the cylinder; the magnetic coupler is installed on the frame by an adjustable bolt, and the distance between the magnetic coupler and the cylinder can be adjusted by the adjustable bolt.

[0005] The frame body is provided with a mounting frame for mounting the magnetic coupler, the mounting frame is parallel to the side of the cylinder body, the magnetic coupler is mounted on the mounting frame by an adjustable bolt, and the magnetic coupler is located between the cylinder body and the mounting frame.

[0006] The main shaft includes a main shaft I and a main shaft II, one end of the main shaft II is fixed to the frame, the other end of the main shaft II is movably connected to one end of the main shaft I, the other end of the main shaft I is connected to the transmission sprocket set, one end of the cylinder extends to the main shaft II and is movably connected to the main shaft, the other end of the cylinder extends to the main shaft I, and the other end of the cylinder is fixed to the main shaft I.

[0007] It also includes a conductive ring, which includes a rotor and a stator. The rotor is fixed on the main shaft II, and the stator is fixed on the cylinder.

[0008] The frame body includes two brackets, one end of the main shaft II is fixed to one of the brackets, the main shaft I is movably connected to the other bracket, and the cable reel body is fixed to the bottom of the electric flat car through the two brackets.

[0009] The mounting frame is in a circular ring shape, the main shaft I passes through the mounting frame, and a plurality of magnetic couplers are installed on the mounting frame through adjustable bolts, and the plurality of magnetic couplers are arranged around the main shaft I at intervals.

[0010] A docking block is provided on one side of the cylinder toward the mounting frame, and the docking block is in a circular ring shape. The magnetic coupler is located between the docking block and the mounting frame, and the docking block is parallel to the mounting frame. A slot is provided on the outer side of the docking block, and the slot extends along the outer side of the docking block to form an annular slot. An embedding strip is provided on the end of the mounting frame away from the main axis I in the direction of the annular slot, and the embedding strip is embedded in the annular slot.

[0011] There is a gap between the embedding strip and the bottom surface of the annular slot.

[0012] Compared with the prior art, the advantages of the utility model are:

[0013] The utility model provides a magnetically coupled cable reel structure, in which the cable reel body is installed at the bottom of the electric flat cart and moves with the electric flat cart. When releasing the cable, the electric flat cart moves in a direction away from the cable wiring port, and the cable pulls the drum body to rotate to realize cable releasing. At this time, the magnetic coupler plays a damping role, which can prevent the drum body from rotating too fast due to inertia, the one-way bearing is in a no-load state, and the transmission sprocket group rotates idly; when collecting, the electric flat cart moves in the direction of the cable wiring port, and the power mechanism of the electric flat cart drives the transmission sprocket group to rotate, and the transmission sprocket group drives the main shaft and the drum body to rotate to realize collecting. At this time, the one-way bearing is in a loaded state; the cable reel structure in the present application adopts a non-powered magnetically coupled cable reel, which saves energy, and adopts a magnetic coupling coupler as a synchronous differential mechanism, which has reliable synchronization, and the magnetic coupling performance is stable, which is not affected by changes in working conditions, and the cable tension can be adjusted by adjusting the abutment tightness between the magnetic coupler and the drum body, which is convenient and easy. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1A schematic cross-sectional view of the magnetically coupled cable reel structure of an embodiment of the present application;

[0016] Figure 2 This is a side structural schematic diagram of the magnetically coupled cable reel structure of an embodiment of the present application.

[0017] Description of reference numerals:

[0018] 1. Bracket; 2. Cylinder; 3. Magnetic coupler; 4. Adjustable bolt; 5. Main shaft I; 6. Transmission sprocket set; 7. One-way bearing; 8. Main shaft II; 9. Conductive ring; 10. Mounting frame; 11. Embedding strip; 12. Docking block. DETAILED DESCRIPTION

[0019] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0020] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0021] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0022] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0023] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0024] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0025] The magnetically coupled cable reel structure comprises a cable reel body arranged at the bottom of the electric flat cart, the electric flat cart comprises a power mechanism, the power mechanism is connected to a transmission sprocket group 6, the cable drum body comprises a frame, a main shaft, a magnetic coupler 3, a cylinder 2, a one-way bearing 7 and a transmission sprocket group 6, the main shaft and the magnetic coupler 3 are mounted on the frame, the cylinder 2 is sleeved on the main shaft, the one-way bearing 7 and the transmission sprocket group 6 are connected to the main shaft, the electric flat cart comprises a power mechanism, the power mechanism is connected to the transmission sprocket group 6, one end of the cable is connected to the circuit on the electric flat cart, and the other end is connected to the electronic control system, and the middle part of the cable is wound on the cylinder 2; the magnetic coupler 3 is mounted on the frame by an adjustable bolt 4, and the distance between the magnetic coupler 3 and the cylinder 2 is adjusted by the adjustable bolt 4.

[0026] The magnetically coupled cable reel structure has a cable reel body installed at the bottom of the electric flat cart and moves with the electric flat cart. When releasing the cable, the electric flat cart moves in a direction away from the cable connection port, and the cable pulls the cylinder 2 to rotate to achieve cable releasing. At this time, the magnetic coupler 3 plays a damping role, which can prevent the cylinder 2 from rotating too fast due to inertia, the one-way bearing 7 is in a no-load state, and the transmission sprocket group 6 is idling; when collecting, the electric flat cart moves in the direction of the cable connection port, and the power mechanism of the electric flat cart drives the transmission sprocket group 6 to rotate, and the transmission sprocket group 6 drives the main shaft and the cylinder 2 to rotate to achieve collection. At this time, the one-way bearing 7 is in a loaded state; the cable reel structure in the present application adopts a non-powered magnetic coupling cable reel, which saves energy, and adopts a magnetic coupling coupler as a synchronous differential mechanism, which has reliable synchronization, and the magnetic coupling performance is stable, which is not affected by changes in working conditions, and the cable tension can be adjusted by adjusting the abutment tightness between the magnetic coupler 3 and the cylinder 2, which is convenient and easy.

[0027] In the utility model, a mounting frame 10 for mounting a magnetic coupler 3 is provided on the frame body, the mounting frame 10 is parallel to the side of the cylinder 2, a threaded hole is provided on the mounting frame 10, an adjustable bolt 4 is connected to the mounting frame 10 through the threaded hole, the magnetic coupler 3 is mounted on the mounting frame 10 through the adjustable bolt 4, the magnetic coupler 3 is located between the mounting frame 10 and the cylinder 2, and the distance between the magnetic coupler 3 and the side wall of the cylinder 2 can be adjusted by adjusting the length of the adjustable bolt 4 embedded between the cylinder 2 and the mounting frame 10. During actual use, the distance between the magnetic coupler 3 and the cylinder 2 can be adjusted by the adjustable bolt 4 according to actual conditions. To be precise, the degree of tightness between the magnetic coupler 3 and the side wall of the cylinder 2 is adjusted, thereby playing a damping role to prevent the cylinder 2 from rotating too fast due to inertia, causing the cable to fall to the ground, so as not to affect the subsequent cable recovery and the movement of the electric flat car.

[0028] In the utility model, the main shaft includes a main shaft I5 and a main shaft II8, one end of the main shaft II8 is fixed to the frame, the other end of the main shaft II8 is movably connected to one end of the main shaft I5, the other end of the main shaft I5 is connected to the transmission sprocket group 6, one end of the cylinder 2 extends to the main shaft II8 and is movably connected to the main shaft, the other end of the cylinder 2 extends to the main shaft I5, and the other end of the cylinder 2 is fixed to the main shaft I5. When the cylinder 2 rotates, the main shaft II8 does not rotate, and the main shaft I5 rotates with it. When the cable is released, the main shaft I5 rotates with the cylinder 2. When it is collected, the transmission sprocket is driven to rotate by the power mechanism of the electric flat car, the transmission sprocket drives the main shaft I5 to rotate, and the main shaft I5 drives the cylinder 2 to rotate to achieve collection.

[0029] The utility model also includes a conductive ring, and the conductive ring 9 includes a rotor and a stator. The rotor is fixed on the main shaft II8, and the stator is fixed on the cylinder 2, so that the entire process of retracting and releasing the cable can achieve smooth transmission of electricity through the conductive ring 9, and the conductive ring 9 is simple and convenient to maintain.

[0030] In the utility model, the frame includes two brackets 1, one end of the main shaft II8 is fixed to one of the brackets 1, and the main shaft I5 is movably connected to the other bracket 1 to facilitate the subsequent rotation of the main shaft I5. The cable reel body is fixed to the bottom of the electric flat car through the two brackets 1.

[0031] In the utility model, the mounting frame 10 is in a circular ring shape, the main shaft I5 passes through the mounting frame 10, and multiple magnetic couplers 3 are installed on the mounting frame 10 through adjustable bolts 4. The multiple magnetic couplers 3 are arranged around the main shaft I5 at intervals. The multiple magnetic couplers 3 work together to adjust the cable retraction and release tension, and the effect is better.

[0032] In the utility model, a docking block 12 is provided on the side of the cylinder 2 facing the mounting frame 10, and the docking block 12 is in a circular ring shape. The magnetic coupler 3 is located between the docking block 12 and the mounting frame 10, and the docking block 12 is parallel to the mounting frame 10. A slot is provided on the outer side of the docking block 12, and the slot extends along the outer side of the docking block 12 to form an annular slot. An embedding strip 11 is provided on the end of the mounting frame 10 away from the main axis I in the direction of the annular slot. The embedding strip 11 is embedded in the annular slot, and there is a gap between the embedding strip 11 and the bottom surface of the annular slot. When the cylinder 2 rotates, the annular slot rotates with the cylinder, and the embedding strip 11 is always embedded in the annular slot, so that the cylinder 2 can maintain its original state during the rotation process, avoid the cylinder 2 shaking left and right, affect the retraction and release of the cable, and ensure the stable rotation of the cylinder 2.

[0033] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. Magnetic coupling cable reel structure, characterized in that: It includes a cable reel body arranged at the bottom of the electric flat cart, the cable reel body includes a frame, a main shaft, a magnetic coupler, a cylinder, a one-way bearing and a transmission sprocket group, the main shaft and the magnetic coupler are installed on the frame, the cylinder is sleeved on the main shaft, the one-way bearing and the transmission sprocket group are connected to the main shaft, the electric flat cart includes a power mechanism, the power mechanism is connected to the transmission sprocket group, and the cable is wound on the cylinder; the magnetic coupler is installed on the frame by an adjustable bolt, and the distance between the magnetic coupler and the cylinder is adjusted by the adjustable bolt.

2. The magnetically coupled cable reel structure according to claim 1, characterized in that: The frame body is provided with a mounting frame for mounting the magnetic coupler, the mounting frame is parallel to the side of the cylinder body, the magnetic coupler is mounted on the mounting frame by an adjustable bolt, and the magnetic coupler is located between the cylinder body and the mounting frame.

3. The magnetically coupled cable reel structure according to claim 2, characterized in that: The main shaft includes a main shaft I and a main shaft II, one end of the main shaft II is fixed to the frame, the other end of the main shaft II is movably connected to one end of the main shaft I, the other end of the main shaft I is connected to the transmission sprocket set, one end of the cylinder extends to the main shaft II and is movably connected to the main shaft, the other end of the cylinder extends to the main shaft I, and the other end of the cylinder is fixed to the main shaft I.

4. The magnetically coupled cable reel structure according to claim 3, characterized in that: It also includes a conductive ring, which includes a rotor and a stator. The rotor is fixed on the main shaft II, and the stator is fixed on the cylinder.

5. The magnetically coupled cable reel structure according to claim 3, characterized in that: The frame body includes two brackets, one end of the main shaft II is fixed to one of the brackets, the main shaft I is movably connected to the other bracket, and the cable reel body is fixed to the bottom of the electric flat car through the two brackets.

6. The magnetically coupled cable reel structure according to claim 3, characterized in that: The mounting frame is in a circular ring shape, the main shaft I passes through the mounting frame, and a plurality of magnetic couplers are installed on the mounting frame through adjustable bolts, and the plurality of magnetic couplers are arranged around the main shaft I at intervals.

7. The magnetically coupled cable reel structure according to claim 6, characterized in that: A docking block is provided on one side of the cylinder toward the mounting frame, and the docking block is in a circular ring shape. The magnetic coupler is located between the docking block and the mounting frame, and the docking block is parallel to the mounting frame. A slot is provided on the outer side of the docking block, and the slot extends along the outer side of the docking block to form an annular slot. An embedding strip is provided on the end of the mounting frame away from the main axis I in the direction of the annular slot, and the embedding strip is embedded in the annular slot.

8. The magnetically coupled cable reel structure according to claim 7, characterized in that: There is a gap between the embedding strip and the bottom surface of the annular slot.

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