Electric driving device special for kbk

Abstract

The utility model discloses a kbk special electric driving device, and particularly relates to the technical field of kbk cranes, the kbk special electric driving device comprises a fixing frame, a rotating wheel and a rubber wheel, the rotating wheel is movably arranged in the center of the interior of the fixing frame, the rubber wheel is fixedly sleeved on the outer side of the rotating wheel, a variable frequency motor is movably arranged on the front side of the fixing frame, and the end part of an output shaft of the variable frequency motor is fixedly connected with a rotating shaft; the rear end of the rotating shaft penetrates through the front side of the fixing frame and is fixedly connected with the rotating wheel, the rotating shaft is movably connected with the fixing frame through a bearing, and an auxiliary assembly is arranged in the fixing frame. The motor works to drive the rotating shaft to rotate so as to drive the rubber wheel to rotate, the rubber wheel is supported in an auxiliary mode through the four auxiliary idler wheels, the threaded sleeve is rotated and made to vertically move on the lead screw, the position of the threaded sleeve on the lead screw is adjusted according to requirements, and therefore the tightness degree of the spring is adjusted, and the tightness degree between the rubber wheel and a rail is conveniently adjusted. The use effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of KBK cranes, and more specifically, to a special electric drive device for KBK. Background Art

[0002] The KBK crane is a highly flexible lifting device and is widely used in various industrial fields such as manufacturing and logistics warehouses. The special electric drive device for KBK is an important part of the KBK crane. It usually includes components such as a motor and a reducer. The main function of this electric drive device is to convert electrical energy into mechanical energy to drive components such as the traveling trolley and hook of the crane to operate, such as lifting or horizontally moving goods.

[0003] When the existing special electric drive device for KBK is in use, the rubber wheels are in contact with the track, which can ensure the stable operation and precise handling of the crane. However, it is not convenient to adjust the tightness between the rubber wheels and the track, which will increase the friction between the rubber wheels and the track, reduce the service life of the components, and at the same time increase the frequency and cost of replacing components, resulting in poor use effects. Summary of the Utility Model

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a special electric drive device for KBK, aiming to solve the problems raised in the above background art.

[0005] To achieve the above object, the utility model provides the following technical solution: A special electric drive device for KBK, including a fixed frame, a runner and a rubber wheel. The runner is movably arranged at the central position inside the fixed frame. The rubber wheel is fixedly sleeved on the outside of the runner. A variable-frequency motor is movably arranged on the front side of the fixed frame. The end of the output shaft of the variable-frequency motor is fixedly connected with a rotating shaft. The rear end of the rotating shaft passes through the front side of the fixed frame and is fixedly connected with the runner. And the rotating shaft is movably connected with the fixed frame through a bearing. An auxiliary component is arranged inside the fixed frame. The auxiliary component includes two connecting frames, four auxiliary rollers, two lead screws, two threaded sleeves and two springs.

[0006] Further, the four auxiliary rollers are respectively movably connected with the front and rear sides of the two connecting frames through four hinge seats. And the bottom ends of the two connecting frames both pass through the top end of the fixed frame. The top ends of the two lead screws both pass through the bottom end of the fixed frame and are respectively fixedly connected with the two connecting frames.

[0007] It can be seen that in the above technical solution, it is convenient to assist in supporting the rubber wheel.

[0008] Further, the two threaded sleeves are respectively movably sleeved on the two lead screws. And the top ends of the two threaded sleeves are respectively in contact with the two springs. The two springs are respectively movably sleeved on the two connecting frames.

[0009] It can be seen that in the above technical solution, it is convenient to adjust the tightness of the spring.

[0010] Furthermore, a support plate is fixedly installed on the front side of the fixing frame and near the bottom edge thereof, and the bottom end of the variable-frequency motor is fixedly installed on the top end of the support plate.

[0011] It can be seen that in the above technical solution, the support plate can support and fix the variable-frequency motor.

[0012] Furthermore, a connection assembly is provided on the fixing frame, and the connection assembly includes a threaded insertion rod and three extrusion sleeves.

[0013] Furthermore, the front end of the threaded insertion rod passes through the fixing frame, and the three extrusion sleeves are all movably sleeved on the threaded insertion rod.

[0014] Furthermore, the motor is a variable-frequency motor equipped with a built-in frequency converter.

[0015] It can be seen that in the above technical solution, the motor uses the frequency converter to convert the grid alternating current into alternating current with variable frequency and variable voltage, so as to achieve precise control of the motor speed. This speed regulation method not only enables the motor to adjust its working state according to the actual load demand, but also avoids running at the rated state for a long time under low load, reducing energy consumption.

[0016] The technical effects and advantages of the present utility model:

[0017] 1. In the present utility model, the motor works to drive the rotating shaft to rotate, thereby driving the rubber wheel to rotate. The rubber wheel is assisted and supported by four auxiliary rollers. Rotate the threaded sleeve and make it vertically move on the lead screw, adjust the position of the threaded sleeve on the lead screw according to the need, thereby adjusting the tightness of the spring, and further adjusting the distance between the connecting frame and the two auxiliary rollers and the track, which is convenient for adjusting the tightness between the rubber wheel and the track, and has a good use effect;

[0018] 2. In the present utility model, one end of the threaded insertion rod passes through the fixing frame and the specified fixing part, then another extrusion sleeve is sleeved on the threaded insertion rod, and the two extrusion sleeves squeeze and limit the specified fixing part. The last extrusion sleeve is sleeved on the threaded insertion rod and makes it contact with the fixing frame. Similarly, through another set of connection assemblies, the other side of the fixing frame is connected and fixed, with a simple structure and convenient use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The structures, proportions, sizes, etc. illustrated in this specification are only used to cooperate with the content disclosed in the specification for those familiar with this technology to understand and read, and are not used to limit the implementation conditions of the present utility model. Therefore, they do not have substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size, without affecting the effects that the present utility model can produce and the purposes that can be achieved, should still fall within the scope covered by the technical content disclosed in the present utility model.

[0020] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0021] Figure 2 is a rear view of the overall structure of the present utility model;

[0022] Figure 3 is a top view of the overall structure of the present utility model;

[0023] Figure 4 is a schematic diagram of the assembly structure of the fixing frame and the support plate of the present utility model;

[0024] Figure 5 is a schematic diagram of the assembly structure of the variable-frequency motor and the rotating shaft of the present utility model;

[0025] Figure 6 is a schematic diagram of the structure of the auxiliary component of the present utility model.

[0026] In the figure: 1, fixing frame; 2, support plate; 3, motor; 4, runner; 5, rubber wheel; 6, threaded insertion rod; 7, extrusion sleeve; 8, auxiliary component; 9, rotating shaft; 801, connecting frame; 802, auxiliary roller; 803, lead screw; 804, threaded sleeve; 805, spring. Detailed implementation manners

[0027] The following specific embodiments illustrate the implementation manners of the present utility model. Those familiar with this technology can easily understand other advantages and effects of the present utility model from the content disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of them. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0028] Refer to the attached drawings of the specification Figure 1-6, the dedicated KBK electric drive device of this embodiment includes a fixing frame 1, a runner 4 and a rubber wheel 5. The runner 4 is movably arranged at the central position inside the fixing frame 1, and the rubber wheel 5 is fixedly sleeved outside the runner 4. A motor 3 is movably arranged on the front side of the fixing frame 1. The end of the output shaft of the motor 3 is fixedly connected with a rotating shaft 9. The rear end of the rotating shaft 9 passes through the front side of the fixing frame 1 and is fixedly connected with the runner 4, and the rotating shaft 9 is movably connected with the fixing frame 1 through a bearing. An auxiliary component 8 is arranged inside the fixing frame 1. The auxiliary component 8 includes two connecting frames 801, four auxiliary rollers 802, two lead screws 803, two threaded sleeves 804 and two springs 805. The motor 3 is a variable-frequency motor equipped with a built-in frequency converter.

[0029] Furthermore, the four auxiliary rollers 802 are respectively movably connected with the front and rear sides of the two connecting frames 801 through four hinge seats, and the bottom ends of the two connecting frames 801 both pass through the top end of the fixing frame 1. The top ends of the two lead screws 803 both pass through the bottom end of the fixing frame 1 and are respectively fixedly connected with the two connecting frames 801. The two threaded sleeves 804 are respectively movably sleeved on the two lead screws 803, and the top ends of the two threaded sleeves 804 are respectively in contact with the two springs 805. The two springs 805 are respectively movably sleeved on the two connecting frames 801. A support plate 2 is fixedly installed on the front side of the fixing frame 1 and near the bottom edge position thereof, and the bottom end of the motor 3 is fixedly installed on the top end of the support plate 2.

[0030] Furthermore, a connecting component is provided on the fixing frame 1. The connecting component includes a threaded insertion rod 6 and three pressing sleeves 7. The front end of the threaded insertion rod 6 passes through the fixing frame 1, and the three pressing sleeves 7 are all movably sleeved on the threaded insertion rod 6.

[0031] Among them, one end of the threaded insertion rod 6 passes through the fixing frame 1 and a specified fixing part, so as to limit the fixing frame 1. At this time, one of the pressing sleeves 7 is movably sleeved on the threaded insertion rod 6. Then, another pressing sleeve 7 is sleeved on the threaded insertion rod 6, and the two pressing sleeves 7 press and limit the specified fixing part. The last pressing sleeve 7 is sleeved on the threaded insertion rod 6 and is in contact with the fixing frame 1, so that the threaded insertion rod 6 is fixed to the fixing frame 1. Similarly, through another set of connecting components, the other side of the fixing frame 1 is connected and fixed. The structure is simple and the use is convenient.

[0032] The usage method of this embodiment is as follows:

[0033] In use, the staff set the motor 3, and the motor 3 is a variable-frequency motor. The motor 3 uses a frequency converter to convert the grid alternating current into alternating current with variable frequency and variable voltage, so as to achieve precise control of the motor speed. This speed regulation method not only enables the motor to adjust its working state according to the actual load demand, but also avoids running at the rated state for a long time under low load, reducing energy consumption. Start the motor 3, and the motor 3 works to drive the rotating shaft 9 to rotate, thereby driving the rotating wheel 4 to rotate, and then driving the rubber wheel 5 to rotate. The rubber wheel 5 is in contact with the track, which can reduce noise, improve the acceleration and deceleration rate, and increase the traction force. The rubber wheel 5 is supported by four auxiliary rollers 802. Rotate the threaded sleeve 804 and make it move vertically on the lead screw 803. Adjust the position of the threaded sleeve 804 on the lead screw 803 according to the needs, so as to adjust the tightness of the spring 805, and then the distance between the connecting frame 801 and the two auxiliary rollers 802 and the track can be adjusted, which is convenient to adjust the tightness between the rubber wheel 5 and the track, and the use effect is good. At the same time, the support plate 2 can support and fix the motor 3.

[0034] The content not described in detail in the specification belongs to the prior art well-known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment can be used. In this technical solution, since the electrical control components not mentioned belong to the prior art, they are not shown in the figure and will not be described here.

[0035] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A KBK-specific electric drive device, comprising a fixed frame (1), a rotating wheel (4) and a rubber wheel (5), wherein the rotating wheel (4) is movably arranged at the inner center position of the fixed frame (1), and the rubber wheel (5) is fixedly sleeved on the outer side of the rotating wheel (4), characterized in that: A motor (3) is movably arranged at the front side of the fixing frame (1); the end of the output shaft of the motor (3) is fixedly connected to a rotating shaft (9); the rear end of the rotating shaft (9) passes through the front side of the fixing frame (1) and is fixedly connected to the rotating wheel (4); the rotating shaft (9) and the fixing frame (1) are movably connected via a bearing; an auxiliary component (8) is arranged inside the fixing frame (1); the auxiliary component (8) comprises two connecting frames (801), four auxiliary rollers (802), two screw rods (803), two threaded sleeves (804) and two springs (805).

2. The KBK-specific electric drive device according to claim 1 is characterized in that: The four auxiliary rollers (802) are movably connected to the front and rear sides of the two connecting frames (801) via four hinge seats, and the bottom ends of the two connecting frames (801) pass through the top ends of the fixed frames (1), and the top ends of the two screw rods (803) pass through the bottom ends of the fixed frames (1) and are fixedly connected to the two connecting frames (801) respectively.

3. The KBK-specific electric drive device according to claim 1 is characterized in that: The two threaded sleeves (804) are movably sleeved on the two screw rods (803) respectively, and the top ends of the two threaded sleeves (804) are in contact with the two springs (805) respectively, and the two springs (805) are movably sleeved on the two connecting frames (801) respectively.

4. The KBK-specific electric drive device according to claim 1 is characterized in that: A support plate (2) is fixedly mounted on the front side of the fixing frame (1) and close to the bottom edge thereof, and the bottom end of the motor (3) is fixedly mounted on the top end of the support plate (2).

5. The KBK-specific electric drive device according to claim 1 is characterized in that: The fixing frame (1) is provided with a connection assembly, which comprises a threaded insert rod (6) and three extrusion sleeves (7).

6. The KBK-specific electric drive device according to claim 5 is characterized in that: The front end of the threaded rod (6) passes through the fixing frame (1), and the three extrusion sleeves (7) are movably sleeved on the threaded rod (6).

7. The KBK-specific electric drive device according to claim 1 is characterized in that: The motor (3) is a variable frequency motor equipped with a built-in frequency converter.

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