An automated bag hanger

Abstract

The utility model relates to a kind of automatic hanging bag devices in metallurgical hoisting technology field, including controller, plate hook, hanger beam, and the support seat of upper end connection in hanging bag crane auxiliary hoisting mechanism;The lower end of the support seat is rotatably connected with the upper end of hanger beam by slewing bearing, the slewing bearing includes toothed outer ring that rotates by drive unit, and the drive unit is equipped with encoder for rotation detection;The plate hook is fixed in the lower end of hanger beam, and is equipped with pressure sensor for detecting hooking weight, and the middle part of hanger beam body is installed with visual monitoring unit corresponding to the side of plate hook hooking;The controller is respectively connected with visual monitoring unit, pressure sensor, encoder and drive unit corresponding signal;The hanging bag device not only improves hanging bag efficiency, reduces accident rate, and is more convenient and practical, safe and reliable, adapts to various working environments.

Description

Technical Field

[0001] This utility model relates to the field of metallurgical hoisting technology, and in particular to an automated bag-hanging device. Background Technology

[0002] As is well known, in the steelmaking process of the metallurgical industry, ladles need to be frequently hoisted, connected, and replaced. Traditional ladle connection relies on manual operation of cranes, which has the following problems: First, manual operation is inefficient and easily affected by the environment (high temperature, dust), posing safety hazards; second, the connection accuracy between the ladle and the hook is poor, which can easily lead to connection failure or ladle tipping; third, there is a lack of real-time status monitoring, making it difficult to prevent accidents. Although there are existing technologies that use mechanical positioning to assist in hoisting, their adaptability is poor and they are difficult to cope with complex working conditions. Utility Model Content

[0003] In order to overcome the shortcomings of the background technology and solve the existing technical problems, this utility model discloses an automated bag hanging device, which not only improves bag hanging efficiency and reduces the accident rate, but is also more convenient, practical, safe and reliable, and adaptable to various working environments.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: An automated bag-hanging device includes a controller, a hook, a lifting beam, and a support base connected at its upper end to the auxiliary lifting mechanism of a bag-hanging crane. The lower end of the support base is rotatably connected to the upper end of the lifting beam via a slewing bearing. The slewing bearing includes a toothed outer ring driven to rotate by a drive unit, which is equipped with an encoder for rotation detection. The hook is fixed to the lower end of the lifting beam and is equipped with a pressure sensor for detecting the hooked weight. A visual monitoring unit is installed on the middle section of the lifting beam corresponding to the hook side. The controller is connected to the visual monitoring unit, pressure sensor, encoder, and drive unit via corresponding signals.

[0005] Furthermore, a connecting seat is provided between the support base and the lifting beam rod. The upper end of the connecting seat is fixed to the toothed outer ring of the slewing bearing, and the lower end of the connecting seat is rotatably connected to the upper end of the lifting beam rod through a rotating shaft perpendicular to the surface of the plate hook.

[0006] Furthermore, a rotation limiting mechanism is provided between the connecting seat and the support seat.

[0007] Furthermore, the drive unit is configured as a drive motor, the body of the drive motor is fixedly mounted on the support base, and the output shaft of the drive motor is coaxially fixed with a drive gear that meshes with the toothed outer ring of the slewing bearing.

[0008] Furthermore, the plate hook has two through holes on its surface, through which a bolt for connecting the lifting beam rod is inserted, and the pressure sensor is located between the through holes and the bolt.

[0009] Furthermore, a guide frame is fixed to the suspension beam below the visual monitoring unit.

[0010] By adopting the technical solution described above, this utility model has the following beneficial effects: The automated bag-hanging device disclosed in this utility model can control the lifting and rotating of the hook to the designated bag-turning position after the steel bag reaches the designated position, under the monitoring of the visual monitoring unit. It can also stably hang the bag in place and then perform the bag-turning action. Compared with the prior art, the bag-hanging efficiency can be increased by 50%, which solves the problem of manual operation in dangerous working environments, reduces the accident rate by 90%, and can adapt to high temperature and high dust environments. It has a simple structure, can be modularly designed, is convenient, practical, safe and reliable. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 yes Figure 1 A schematic diagram of the side view structure; Figure 3 This is a schematic diagram of the installation structure of the rotary limiting mechanism; Figure 4 This is a schematic diagram of the structure of the lifting beam shown. Figure 5 This is a schematic diagram of the structure of this utility model.

[0012] In the diagram: 1. Hook; 2. Lifting beam; 3. Drive unit; 4. Slewing bearing; 5. Rotation limit mechanism; 6. Support seat; 7. Guide frame; 8. Rotating shaft; 9. Visual monitoring unit; 10. Bolted shaft; 11. Connecting seat. Detailed Implementation

[0013] The technical solution of this utility model will be described below with reference to the accompanying drawings of the embodiments of this utility model. In the description, it should be understood that if there are terms such as "upper", "lower", "front", "rear", "left", "right" indicating the orientation or positional relationship, they are only corresponding to the drawings of this utility model for the convenience of describing this utility model, and do not indicate or imply that the device or element referred to must have a specific orientation.

[0014] Combined with appendix Figure 1-5 The automated bag-hanging device includes a controller, a hook 1, a lifting beam 2, and a support base 6 whose upper end is connected to the auxiliary lifting mechanism of the bag-hanging crane, as shown in the attached figure. Figure 5As shown, the ladle crane has main and auxiliary lifting mechanisms. By controlling the lifting and lowering of the hook, the trunnion at the corresponding position of the ladle is hooked. The main lifting mechanism is mainly used for lifting and moving the ladle, while the auxiliary lifting mechanism is mainly used for turning the ladle. To increase the degree of freedom, the upper end of the support base 6 can also be rotatably connected to the moving pulley frame of the auxiliary lifting mechanism through a hinge pin perpendicular to the surface of the hook 1.

[0015] The lower end of the support base 6 is rotatably connected to the upper end of the lifting beam 2 via a slewing bearing 4. The slewing bearing 4 is a large bearing capable of bearing comprehensive loads, generally consisting of an inner ring and a toothed outer ring driven to rotate by the drive unit 3. The upper end of the inner ring is connected to the support base 6, and the lower end of the toothed outer ring is connected to the lifting beam 2. Under the action of the drive unit 3, the support base 6 and the lifting beam 2 can rotate relative to each other. The drive unit 3 is equipped with an encoder for rotation detection. The encoder is generally installed on the output shaft of the motor or the tail end of the motor, and can be used to sense the rotation and position change of the toothed outer ring of the slewing bearing 4, facilitating feedback control. As needed, a connecting seat 11 is provided between the support base 6 and the lifting beam 2. The upper end of the connecting seat 11 is fixed to the toothed outer ring of the slewing bearing 4, and the lower end of the connecting seat 11 is rotatably connected to the upper end of the lifting beam 2 via a rotating shaft 8 perpendicular to the surface of the hook 1, allowing the lifting beam 2 to swing relative to the connecting seat 11, facilitating the lowering of the auxiliary lifting mechanism. When descending, the hook 1 can first be forced to swing outward past the trunnion when it touches the upper part of the side trunnion of the ladle, and then swing back to the lower part of the trunnion and directly rise to hook the trunnion. In addition, the drive unit 3 is a drive motor. The body of the drive motor is fixedly installed on the support base 6. The output shaft of the drive motor is coaxially fixed with a drive gear that meshes with the toothed outer ring of the slewing bearing 4. If the drive motor is tangentially installed on the support base 6, the drive gear is a worm gear structure that meshes with the toothed outer ring. In addition, a rotation limit mechanism 5 is provided between the connecting seat 11 and the support base for rotating and positioning the lifting beam 2. Specifically, a limit switch is installed on the outer edge of the upper end face of the inner ring of the slewing bearing 4. A horizontal bar is fixedly extended radially on the connecting seat 11. A vertical bar is fixed at the outer end of the horizontal bar. A stop bar corresponding to the limit switch is fixed at the top of the vertical bar. When the stop bar follows the connecting seat 11 and touches the limit switch, the drive unit 3 is controlled to stop and the lifting beam 2 also stops rotating. The plate hook 1 is fixed to the lower end of the lifting beam 2 and is equipped with a pressure sensor for detecting the weight of the hook. The pressure sensor is used to sense whether the plate hook 1 has hooked the side trunnion of the steel ladle. A visual monitoring unit 9, usually a camera probe, is installed on the middle section of the lifting beam 2 corresponding to the hook side of the plate hook 1. It monitors whether the plate hook 1 has moved into position visually. A guide frame 7 is fixed to the lifting beam 2 below the visual monitoring unit 9. The guide frame 7 is used to guide the lifting beam 2 to fall, and in particular, it can provide a relative reference for the visual monitoring unit 9. As needed, the plate hook 1 has two through holes, through which a bolt shaft 10 for connecting the lifting beam 2 is inserted. That is, the plate hook 1 and the lifting beam 2 are bolted together by the bolt shaft 10. The pressure sensor is located between the through hole and the bolt shaft 10. Once the hook end of the plate hook 1 is subjected to force, the bolt shaft 10 squeezes the pressure sensor, which can indirectly detect the lifting weight. Of course, the pressure sensor can also be directly set as a pin-type pressure sensor to replace the bolt shaft 10.

[0016] The controller is connected to the corresponding signals of the vision monitoring unit 9, pressure sensor, encoder, and drive unit 3. Implementing the automated ladle-hanging device described in this invention, after the ladle reaches the designated flipping position, the auxiliary lifting mechanism of the casting crane, under operating instructions, drives the automatic ladle-hanging device to fall from the highest point. During the falling process, the vision monitoring unit 9 judges the alignment based on the positioning plate on the ladle; if it is not aligned, it is not properly attached. Figure 5 With the middle plate hook 1 facing the ladle, a command is issued, and the drive unit 3 begins operation. At this time, the lifting beam 2, following the slewing bearing 4, drives the plate hook 1 to rotate until it reaches the attached position. Figure 5 With the plate hook 1 facing the ladle, the automatic ladle hanging device is controlled to fall. Guided by the guide frame 7, the plate hook 1 swings outward to hook the ladle side trunnion after falling to a certain position. The pressure sensor transmits data in real time to determine whether the ladle is in place and completes the hanging. At this time, the auxiliary lifting mechanism begins to rise steadily under the operation command to complete the ladle flipping command. After the ladle flipping is completed, the empty ladle is reset, and one work cycle is completed.

[0017] The parts of this utility model not described in detail are prior art. It is obvious to those skilled in the art that this utility model is not limited to the details of the above exemplary embodiments, and that this utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the above embodiments should be regarded as exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description. Therefore, it is intended to include all changes that fall within the meaning and scope of the equivalents of the claims in this utility model, and no reference numerals in the claims should be regarded as limiting the content of the claims.

Claims

1. An automated bag hanger, characterized by: The system includes a controller, a plate hook (1), a lifting beam (2), and a support base (6) whose upper end is connected to the auxiliary lifting mechanism of the bag-hanging crane. The lower end of the support base (6) is rotatably connected to the upper end of the lifting beam (2) through a slewing bearing (4). The slewing bearing (4) includes a toothed outer ring that is driven to rotate by a drive unit (3). The drive unit (3) is equipped with an encoder for rotation detection. The plate hook (1) is fixed to the lower end of the lifting beam (2) and is equipped with a pressure sensor for detecting the hook weight. A visual monitoring unit (9) is installed on the side of the lifting beam (2) corresponding to the hook (1). The controller is connected to the visual monitoring unit (9), the pressure sensor, the encoder, and the drive unit (3) respectively.

2. The automated bag-hanging device according to claim 1, characterized in that: A connecting seat (11) is provided between the support base (6) and the lifting beam (2). The upper end of the connecting seat (11) is fixed to the toothed outer ring of the slewing bearing (4), and the lower end of the connecting seat (11) is rotatably connected to the upper end of the lifting beam (2) through a rotating shaft (8) perpendicular to the plate surface of the plate hook (1).

3. The automated bagging apparatus of claim 2, wherein: A rotation limiting mechanism (5) is provided between the connecting seat (11) and the support seat.

4. The automated bag-hanging device according to claim 1, characterized in that: The drive unit (3) is a drive motor. The body of the drive motor is fixedly installed on the support base (6). The output shaft of the drive motor is coaxially fixed with a drive gear that meshes with the toothed outer ring of the slewing bearing (4).

5. The automated bagging apparatus of claim 1, wherein: The plate hook (1) has two through holes on its plate surface, through which a bolt shaft (10) for connecting the lifting beam rod (2) is inserted, and the pressure sensor is located between the through holes and the bolt shaft (10).

6. The automated bagging apparatus of claim 1, wherein: The guide frame (7) is fixed to the body of the suspension beam (2) below the visual monitoring unit (9).

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