Steel ladle hoisting control system

Abstract

The utility model discloses a steel ladle hoisting control system, which is used for hoisting a steel ladle from a clamping device by a hoisting device, the hoisting device is provided with a hoisting component, the clamping device is provided with a holding clamp, and the control system comprises an ascending contactor, a lifting control device, a lifting control device, a lifting control device and a lifting control device, wherein the ascending contactor is arranged on the hoisting device and is used for starting or locking the ascending and descending functions of the hoisting component; the holding clamp sensor is arranged on the clamping device and used for detecting whether the holding clamp is opened or not; and the controller is electrically connected with the ascending contactor and the holding clamp sensor and used for controlling the ascending contactor to lock the ascending function of the hoisting assembly when the holding clamp sensor detects that the holding clamp is in the state of clamping the steel ladle. The steel ladle hoisting control system provided by the utility model is high in automation and high in safety.

Description

Technical Field

[0001] The utility model relates to Hoist control The technical field relates particularly to a ladle hoisting control system. Background Art

[0002] In the continuous production process of metallurgical enterprises, after the continuous casting machine pours molten steel into the ladle, a lifting device is required to lift the ladle to the tilting machine. The clamping device of the tilting machine clamps the ladle and then tilts it to the position for inspection and maintenance.

[0003] After the ladle is inspected and maintained, the lifting device lifts the ladle to the molten steel transport vehicle to enter the next production cycle. In the prior art, the ladle is lifted off the tilting machine by manually commanding the lifting device. When the clamping device of the tilting machine is not fully opened, the lifting device may cause the wire rope of the hook to break or the tilting machine base to be pulled up, and the base fixing bolts to break, thus posing safety risks such as lifting injuries and object impact. Utility Model Content

[0004] In view of the above problems, the present utility model is proposed to provide a ladle hoisting control system that overcomes the above problems or at least partially solves the above problems.

[0005] Provided is a ladle hoisting control system, which is used for a lifting device to lift a ladle from a clamping device, the clamping device is provided with a clamp, the clamp is used to clamp the ladle, the lifting device is provided with a lifting assembly, and the ladle is lifted when the lifting assembly rises; the ladle hoisting control system comprises:

[0006] A clamp sensor is provided on the clamping device and is used to detect the opening of the clamp;

[0007] The lifting contactor is arranged on the lifting device, and comprises a first coil and a first normally open contact. The first normally open contact is connected in series with the lifting component in a first control loop. When the first coil loses power, the first normally open contact is disconnected to lock the lifting function of the lifting component. When the first coil is energized, the first normally open contact is closed to unlock the lifting function of the lifting component.

[0008] A relay is arranged on the lifting device, the relay comprises a second coil and a second normally open contact, the second normally open contact is connected in series with the first coil to the first power supply circuit, and when the second coil is energized, the second normally open contact is closed;

[0009] The controller is electrically connected to the clamp sensor and the second coil respectively, and is used to receive the clamp fully opened signal sent by the clamp sensor, and control the second coil to be energized according to the clamp fully opened signal, so as to energize the first coil.

[0010] Optionally, a laser rangefinder is also included, which includes a third normally open contact and a first normally closed contact. The third normally open contact, the second normally open contact and the first coil are connected in series in the first power supply circuit, and the first normally closed contact and the first coil are connected in series in the second power supply circuit. The laser rangefinder is used to control the third normally open contact to close and the first normally closed contact to open when it detects that the distance between the lifting device and the clamping device reaches a set threshold before the controller receives a signal from the clamp sensor that the clamp is fully opened, so as to de-energize the first coil.

[0011] Optionally, it also includes a weight measurement control module, which includes a fourth normally open contact, and the fourth normally open contact is connected in series with the second normally open contact, the third normally open contact and the first coil in the first power supply circuit. The weight measurement control module is used to detect the weight of the ladle, and after the laser rangefinder detects that the distance between the lifting device and the clamping device reaches a set threshold, when it detects that the weight of the ladle is below the set threshold, the fourth normally open contact is controlled to close.

[0012] Optionally, the weight measurement control module is connected to the lifting assembly, and is specifically used to detect the weight of the ladle lifted by the lifting assembly, and to control the fourth normally open contact to open when it is detected that the weight of the ladle is above a set threshold.

[0013] Optionally, it also includes an alarm module, the relay includes a fifth normally open contact, and when the second coil is energized, the fifth normally open contact closes; the alarm module and the fifth normally open contact are connected in series to the same control circuit, and are used to issue a first voice prompt when the fifth normally open contact is closed; wherein the first voice prompt includes a message sent by the clamp sensor that the clamp is fully opened.

[0014] Optionally, the weight measurement control module further includes a sixth normally open contact. When the weight measurement control module detects that the weight of the ladle is below a set threshold, the sixth normally open contact is controlled to close;

[0015] The alarm module is connected in series with the fifth normally open contact and the sixth normally open contact in the same control circuit, and is used to send a second voice message when the fifth normally open contact and the sixth normally open contact are closed; wherein the second voice prompt includes the message sent by the clamp sensor that the clamp is fully opened, and the message that the weight measurement control module detects that the weight of the ladle is below the set threshold.

[0016] Optionally, the laser rangefinder also includes a seventh normally open contact; when the laser rangefinder detects that the distance between the lifting device and the clamping device reaches a set threshold, the seventh normally open contact is controlled to close; the alarm module and the seventh normally open contact are connected in series to the same control circuit, and is used to issue a third voice prompt when the seventh normally open contact is closed; wherein the third voice prompt includes a message that the laser rangefinder detects that the distance between the lifting device and the clamping device reaches a set threshold.

[0017] Optionally, the lifting assembly includes a motor and a hook, and the output end of the motor is connected to the hook through a wire rope; the first normally open contact and the motor are connected in series to the same control circuit.

[0018] Optionally, the clamp is connected to the clamping device via a mounting frame, and a clamp sensor is disposed between the mounting frame and the clamping device; and the controller is electrically connected to the clamp sensor.

[0019] Optionally, the lifting device includes a crane; and the clamping device includes a tilting machine.

[0020] The technical solution provided by the utility model has at least the following technical effects or advantages:

[0021] The ladle hoisting control system provided by the utility model locks or unlocks the lifting function of the lifting assembly through the lifting contactor. When the clamp sensor detects that the clamp is fully opened, the controller receives the sensor signal of the clamp sensor detecting that the clamp is fully opened and generates a switch signal according to the sensor signal and loads it on the second coil to energize it. When the second coil is energized, it drives the second normally open contact to close. At this time, the first coil is energized and drives the first normally open contact to close. The power circuit where the lifting assembly is located is connected, and the lifting assembly can be started to lift the ladle from the clamping device. When the clamp clamps the ladle, the lifting assembly is locked to prevent the lifting assembly from lifting the ladle and the clamping device at the same time and causing damage to the lifting device and the clamping device, thereby preventing the corresponding safety risk measures from being inadequately implemented and inefficiently implemented when the ladle is lifted from the tipping machine by the lifting device, causing corresponding safety hazards, and reducing the safety risks of operators, and improving the work efficiency and safety factor of operators.

[0022] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] By reading the detailed description of the preferred embodiment below, various other advantages and benefits will become clear to those of ordinary skill in the art. The accompanying drawings are only used for the purpose of illustrating the preferred embodiment and are not considered to be limiting of the present invention. Moreover, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0024] Figure 1 This is the electrical block diagram of the ladle hoisting control system in the embodiment of the utility model;

[0025] Figure 2 The ladle hoisting control system structure in the embodiment of the utility model Figure 1 ;

[0026] Figure 3 The ladle hoisting control system structure in the embodiment of the utility model Figure 2 ;

[0027] Figure 4 The ladle hoisting control system structure in the embodiment of the utility model Figure 3 ;

[0028] Figure 5 The ladle hoisting control system structure in the embodiment of the utility model Figure 4 ;

[0029] Figure 6 The ladle hoisting control system structure in the embodiment of the utility model Figure 5 . DETAILED DESCRIPTION

[0030] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings.

[0031] Various structural schematic diagrams according to embodiments of the present disclosure are shown in the accompanying drawings. These figures are not drawn to scale, and some details are magnified and some details may be omitted for the purpose of clear expression. The shapes of various regions and layers shown in the figures and the relative sizes and positional relationships therebetween are only exemplary, and may deviate in practice due to manufacturing tolerances or technical limitations, and those skilled in the art may further design regions / layers with different shapes, sizes, and relative positions according to actual needs.

[0032] In order to better understand the above-mentioned technical scheme, the above-mentioned technical scheme will be described in detail below in combination with specific implementation methods. It should be understood that the embodiments of the present disclosure and the specific features in the embodiments are detailed descriptions of the technical scheme of the present application, rather than limitations on the technical scheme of the present application. In the absence of conflict, the embodiments of the present application and the technical features in the embodiments can be combined with each other.

[0033] In the continuous production process of metallurgical enterprises, after the continuous casting machine has poured molten steel, a crane is required to place the ladle on a tilting machine for inspection and maintenance, and then the ladle is hoisted to the molten steel transport vehicle to enter the next production cycle. The ladle tilting machine needs to use 2 pairs (4 clamps) to clamp the ladle and tilt it to the inspection and maintenance position. After the ladle is inspected and maintained, the tilting machine is operated to the lifting position. Because the ladle clamping device of the tilting machine is not opened, there is a risk of the crane wire rope breaking during the crane lifting process, or the pre-buried base of the tilting machine is damaged and lifted with the ladle.

[0034] In view of this, the utility model provides a ladle lifting control system, which is used for a lifting device to lift a ladle from a clamping device, such as Figure 1As shown, the clamping device 100 is provided with a clamp 101, and the clamp 101 is used to clamp the ladle 102. The lifting device 103 is provided with a lifting assembly 104, and the lifting assembly 104 lifts the ladle 102 when it rises. Exemplarily, the lifting device 103 can be a crane, and the clamping device 100 can be a tilting machine, which is not limited here.

[0035] Please refer to Figure 1 , 2 , Figure 1 This is the electrical block diagram of the ladle hoisting control system in the embodiment of the utility model. Figure 2 The ladle hoisting control system structure in the embodiment of the utility model Figure 1 The ladle hoisting control system includes:

[0036] The clamp sensor 201 is provided on the clamping device 100 and is used to detect the opening of the clamp 101;

[0037] The lifting contactor 202 is arranged on the lifting device 103. The lifting contactor 202 includes a first coil 2021 and a first normally open contact 2022. The first normally open contact 2022 is connected in series with the lifting component 104 in the first control loop. When the first coil 2021 loses power, the first normally open contact 2022 is disconnected to lock the lifting function of the lifting component 104. When the first coil 2021 is powered, the first normally open contact 2022 is closed to unlock the lifting function of the lifting component 104.

[0038] The relay 203 is disposed on the lifting device 103. The relay 203 includes a second coil 2031 and a second normally open contact 2032. The second normally open contact 2032 and the first coil 2021 are connected in series to the first power supply circuit. When the second coil 2031 is energized, the second normally open contact 2032 is closed.

[0039] The controller 204 is electrically connected to the clamp sensor 201 and the second coil 2031 respectively, and is used to receive the signal sent by the clamp sensor 201 that the clamp 101 is fully opened, and control the second coil 2031 to be energized according to the signal that the clamp 101 is fully opened, so that the first coil 2021 is energized.

[0040] The rising contactor 202 is used to lock or unlock the rising function of the lifting assembly 104. When the clamp sensor 201 detects that the clamp 101 is fully opened, the controller 204 receives the sensor signal of the clamp sensor 201 detecting that the clamp 101 is fully opened and generates a switching signal according to the sensor signal and loads it on the second coil 2031 to energize it. When the second coil 2031 is energized, it drives the second normally open contact 2032 to close. At this time, the first coil 2021 is energized and drives the first normally open contact 2022 to close. The power supply circuit where the lifting assembly 104 is located is turned on, and the lifting assembly 104 can be started to lift the ladle 102 from the clamping device 100.

[0041] Understandably, Figure 1 The dotted line between the lifting assembly 104 and the ladle 103 indicates that the lifting assembly 104 can lift the ladle 103 from the clamp 101. Exemplarily, the lifting assembly 104 includes a motor and a hook, and the output end of the motor is connected to the hook through a wire rope; the first normally open contact 2022 is connected in series with the motor on the same 220V control circuit.

[0042] In this way, when the clamp sensor 201 detects that the clamp 101 is fully opened, it controls the first normally open contact 2022 to close to connect the power circuit of the motor. At this time, the motor is started and the ladle 102 can be lifted by the hook. Since the clamp 101 is fully opened, there will be no problem of the wire rope of the hook breaking or the base of the tilting machine being pulled up due to the lifting of the lifting device 103. This prevents the corresponding safety risk measures from being inadequately implemented and inefficiently implemented when the ladle 102 is lifted from the tilting machine by the lifting device 103, causing corresponding safety hazards, and reduces the safety risks of operators, thereby improving the work efficiency and safety factor of operators.

[0043] The following examples and Figures 3 to 6 The technical solution of the utility model is introduced in detail.

[0044] As an optional implementation, Figure 3 As shown, the ladle hoisting control system also includes a laser rangefinder 205, which includes a third normally open contact 2051 and a first normally closed contact 2052. The third normally open contact 2051 is connected in series with the second normally open contact 2032 and the first coil 2021 in the first power supply circuit, and the first normally closed contact 2052 is connected in series with the first coil 2021 in the second power supply circuit. The laser rangefinder 205 is used to control the third normally open contact 2051 to close and the first normally closed contact 2052 to open when it detects that the distance between the lifting device 103 and the clamping device 100 reaches a set threshold before the controller 204 receives a signal from the clamp sensor 201 that the clamp 101 is opened to the full extent, so as to de-energize the first coil 2021.

[0045] The laser rangefinder 205 can be understood as a combination of a laser rangefinder sensor and a relay, which is used to convert the signal detected by the laser rangefinder sensor to indicate whether the distance between the lifting device 103 and the clamping device 100 reaches a set threshold value, into a switching signal loaded on the relay coil to control the opening and closing of the third normally open contact 2051 and the first normally closed contact 2052.

[0046] After the crane enters the position of the ladle 102 tilting machine and aligns successfully, the laser rangefinder 205 detects that the distance between the crane and the ladle 102 tilting machine reaches the set value, and controls the first normally closed contact 2052 to open to de-energize the first coil 2021, thereby disconnecting the first normally open contact 2022, disconnecting the power supply circuit of the motor, and the motor cannot be started, thereby locking the rising function of the lifting assembly 104. Afterwards, the controller 204 receives the sensor signal from the clamp sensor 201 that the clamp 101 is fully opened, generates a switch signal based on the sensor signal, and loads it on the second coil 2031 to energize it. When the second coil 2031 is energized, it drives the second normally open contact 2032 to close, and the third normally open contact 2051 is already closed when the first normally closed contact 2052 is opened. At this time, the first power supply circuit is turned on to energize the first coil 2021 and drive the first normally open contact 2022 to close. Finally, the power supply circuit where the lifting assembly 104 is located is turned on, and the lifting assembly 104 can be started to lift the ladle 102 from the clamping device 100. This further prevents the lifting from causing the wire rope of the hook to break or the base of the tilting machine to be pulled up.

[0047] As an optional implementation, Figure 4 As shown, the ladle lifting control system also includes a weight measurement control module 206, which includes a fourth normally open contact 2061. The fourth normally open contact 2061 is connected in series with the second normally open contact 2032, the third normally open contact 2051 and the first coil 2021 in the first power supply circuit. The weight measurement control module 206 is used to detect the weight of the ladle 102, and after the laser rangefinder 205 detects that the distance between the lifting device 103 and the clamping device 100 reaches a set threshold, when it detects that the weight of the ladle 102 is below the set threshold, the fourth normally open contact 2061 is controlled to be closed.

[0048] The weight measurement control module 206 can be understood as a combination of a weighing sensor and a relay, which is used to convert the signal of whether the weight of the ladle 102 measured by the weighing sensor is below a set threshold into a switching signal loaded on the relay coil to control the closing and opening of the fourth normally open contact 2061.

[0049] After the crane enters the position of the ladle 102 tilting machine and aligns successfully, the laser rangefinder 205 detects that the distance between the crane and the ladle 102 tilting machine reaches the set value, and controls the first normally closed contact 2052 to open to de-energize the first coil 2021, thereby disconnecting the first normally open contact 2022, disconnecting the power supply circuit of the motor, and the motor cannot be started, thereby locking the rising function of the lifting assembly 104. Afterwards, the controller 204 receives the sensor signal from the clamp sensor 201 that the clamp 101 is fully opened, generates a switch signal based on the sensor signal, and loads it on the second coil 2031 to energize it. When the second coil 2031 is energized, it drives the second normally open contact 2032 to close. At the same time, the weight measurement control module 206 detects that the weight of the ladle 102 is below the set value, controls the fourth normally open contact 2061 to close, and the third normally open contact 2051 is closed when the first normally closed contact 2052 is opened. At this time, the first power supply circuit is turned on to energize the first coil 2021 and drive the first normally open contact 2022 to close. Finally, the power supply circuit where the lifting assembly 104 is located is turned on, and the lifting assembly 104 can be started to lift the ladle 102 from the clamping device 100. This further avoids the wire rope of the hook from breaking or the base of the tilting machine being pulled up during lifting.

[0050] In some optional embodiments, the weight measurement control module 206 is connected to the lifting assembly 104, and is specifically used to detect the weight of the ladle 102 lifted by the lifting assembly 104, and when it is detected that the weight of the ladle 102 is above a set threshold, control the fourth normally open contact 2061 to open.

[0051] Exemplarily, the weighing sensor in the weight measurement control module 206 is specifically connected to the wire rope connecting the motor and the hook, and is specifically used to detect the tension of the wire rope when lifting the ladle 102. When the tension value exceeds the set standard during the lifting process, the fourth normally open contact 2061 is controlled to open to disconnect the first power supply circuit, so that the first coil 2021 loses power, and the lifting assembly 104 is locked to drive the ladle 102 to lift, thereby avoiding the wire rope from being disconnected due to excessive gravity during the lifting process and avoiding on-site accidents.

[0052] As an optional implementation, Figure 5 As shown, the ladle hoisting control system also includes an alarm module 207, and the relay 203 includes a fifth normally open contact 2033. When the second coil 2031 is energized, the fifth normally open contact 2033 is closed. The alarm module 207 and the fifth normally open contact 2033 are connected in series to the same control circuit, and are used to issue a first voice prompt when the fifth normally open contact 2033 is closed; wherein the first voice prompt includes a message sent by the clamp sensor 201 that the clamp 101 is fully opened. It is understandable that the alarm module also needs to be connected to a power supply, which is not shown in the figure due to limited space. Figure 5 Indicated in.

[0053] The alarm module 207 can adopt an audible and visual alarm. For example, the controller 204 receives a sensor signal from the clamp sensor 201 detecting that the clamp 101 is fully opened, generates a switch signal based on the sensor signal, and loads it on the second coil 2031 to energize it, so that the fifth normally open contact 2033 is closed. At this time, the audible and visual alarm sends a first voice prompt: the clamp 101 is safely opened and can be lifted.

[0054] In a further optional embodiment, as Figure 6 As shown, the weight measurement control module 206 further includes a sixth normally open contact 2062. When the weight measurement control module 206 detects that the weight of the ladle 102 is below a set threshold, the sixth normally open contact 2062 is controlled to be closed.

[0055] Exemplarily, the controller 204 receives a sensor signal from the clamp sensor 201 detecting that the clamp 101 is fully opened, generates a switch signal based on the sensor signal, and loads it on the second coil 2031 to energize it, so that the fifth normally open contact 2033 is closed; at the same time, the weight measurement control module 206 detects that the weight of the ladle 102 is below the set value, and controls the sixth normally open contact 2062 to close. At this time, the sound and light alarm sends a second voice prompt: the clamp 101 is safely opened, the weight measurement control module 206 does not detect overweight, and lifting is possible.

[0056] In a further optional embodiment, Figure 5 , 6 As shown, the laser rangefinder 205 also includes a seventh normally open contact 2053; when the laser rangefinder 205 detects that the distance between the lifting device 103 and the clamping device 100 reaches a set threshold, the seventh normally open contact 2053 is controlled to be closed; the alarm module 207 and the seventh normally open contact 2053 are connected in series to the same control circuit, and are used to issue a third voice prompt when the seventh normally open contact 2053 is closed; wherein the third voice prompt includes a message that the laser rangefinder 205 detects that the distance between the lifting device 103 and the clamping device 100 reaches a set threshold.

[0057] Illustratively, after the crane enters the position of the ladle 102 tilting machine and aligns successfully, the laser rangefinder 205 detects that the distance between the crane and the ladle 102 tilting machine reaches the set value, controls the seventh normally open contact 2053 to close, and at this time the sound and light alarm issues a third voice prompt: We have reached the danger zone and lifting is prohibited.

[0058] It is understandable that the specific content of the voice prompts used in the above embodiments can be manually set, which is only used as an example and not specifically limited here.

[0059] As an optional embodiment, the clamp is connected to the clamping device through a mounting frame, and the clamp sensor is arranged between the mounting frame and the clamp; the controller is electrically connected to the clamp sensor. Specifically, the clamp sensor is a pressure sensor. The pressure sensor is subjected to different pressures when the clamp is in a clamped state and an open state. When the pressure sensor detects that the clamp holding the ladle is opened, a sensor signal indicating that the clamp is opened is sent to the controller.

[0060] In the description provided herein, a large number of specific details are described. However, it is understood that embodiments of the present invention can be practiced without these specific details. In some instances, well-known methods, structures and techniques are not shown in detail so as not to obscure the understanding of this description.

[0061] Similarly, it should be understood that in order to streamline the present disclosure and aid in understanding one or more of the various aspects of the utility model, in the above description of the exemplary embodiments of the utility model, the various features of the utility model are sometimes grouped together into a single embodiment, figure, or description thereof. However, this disclosed method should not be interpreted as reflecting the following intention: the claimed disclosure requires more features than the features explicitly recited in each claim. More precisely, as reflected in the claims, the disclosed aspects are less than all the features of the previously disclosed single embodiment. Therefore, the claims that follow the specific embodiment are hereby expressly incorporated into the specific embodiment, wherein each claim itself serves as a separate embodiment of the utility model.

Claims

1. A ladle hoisting control system, characterized in that: A lifting device is used to lift the ladle from the clamping device, the clamping device is provided with a clamp, the clamp is used to clamp the ladle, and the lifting device is provided with a lifting assembly, and the lifting assembly lifts the ladle when it rises; The ladle hoisting control system comprises: A clamp sensor, disposed on the clamping device, for detecting the opening of the clamp; A lifting contactor is arranged on the lifting device, and the lifting contactor comprises a first coil and a first normally open contact. The first normally open contact is connected in series with the lifting component in a first control loop. When the first coil loses power, the first normally open contact is disconnected to lock the lifting function of the lifting component. When the first coil is energized, the first normally open contact is closed to unlock the lifting function of the lifting component. A relay is provided on the lifting device, the relay comprises a second coil and a second normally open contact, the second normally open contact is connected in series with the first coil to a first power supply circuit, and when the second coil is energized, the second normally open contact is closed; The controller is electrically connected to the clamp sensor and the second coil respectively, and is used to receive the signal sent by the clamp sensor that the clamp is fully opened, and control the second coil to be energized according to the signal that the clamp is fully opened, so as to enable the first coil to be energized.

2. The ladle hoisting control system according to claim 1, characterized in that: It also includes a laser rangefinder, which includes a third normally open contact and a first normally closed contact. The third normally open contact, the second normally open contact and the first coil are connected in series in the first power supply circuit, and the first normally closed contact and the first coil are connected in series in the second power supply circuit. The laser rangefinder is used to control the third normally open contact to close and the first normally closed contact to open when it detects that the distance between the lifting device and the clamping device reaches a set threshold before the controller receives a signal from the clamp sensor that the clamp is fully opened, so as to de-energize the first coil.

3. The ladle hoisting control system according to claim 2, characterized in that: It also includes a weight measurement control module, which includes a fourth normally open contact. The fourth normally open contact is connected in series with the second normally open contact, the third normally open contact and the first coil in the first power supply circuit. The weight measurement control module is used to detect the weight of the ladle, and after the laser rangefinder detects that the distance between the lifting device and the clamping device reaches a set threshold, when it detects that the weight of the ladle is below the set threshold, the fourth normally open contact is controlled to close.

4. The ladle hoisting control system according to claim 3, characterized in that: The weight measurement control module is connected to the lifting assembly, and is specifically used to detect the weight of the ladle lifted by the lifting assembly, and control the fourth normally open contact to open when it is detected that the weight of the ladle is above a set threshold.

5. The ladle hoisting control system according to claim 3, characterized in that: It also includes an alarm module, the relay includes a fifth normally open contact, and when the second coil is energized, the fifth normally open contact is closed; the alarm module and the fifth normally open contact are connected in series to the same control circuit, and are used to issue a first voice prompt when the fifth normally open contact is closed; wherein, the first voice prompt includes a message sent by the clamp sensor that the clamp is fully opened.

6. The ladle hoisting control system according to claim 5, characterized in that: The weight measurement control module further includes a sixth normally open contact. When the weight measurement control module detects that the weight of the ladle is below a set threshold, the sixth normally open contact is controlled to be closed; The alarm module is connected in series with the fifth normally open contact and the sixth normally open contact in the same control circuit, and is configured to issue a second voice message when the fifth normally open contact and the sixth normally open contact are closed; wherein the second voice prompt includes a message sent by the clamp sensor that the clamp is fully opened, and a message that the weight measurement control module detects that the weight of the ladle is below a set threshold.

7. The ladle hoisting control system according to claim 5, characterized in that: The laser rangefinder also includes a seventh normally open contact; when the laser rangefinder detects that the distance between the lifting device and the clamping device reaches a set threshold, the seventh normally open contact is controlled to close; the alarm module and the seventh normally open contact are connected in series to the same control circuit, and are used to issue a third voice prompt when the seventh normally open contact is closed; wherein the third voice prompt includes a message that the laser rangefinder detects that the distance between the lifting device and the clamping device reaches a set threshold.

8. The ladle hoisting control system according to claim 1, characterized in that: The lifting assembly includes a motor and a hook, wherein the output end of the motor is connected to the hook via a steel wire rope; the first normally open contact and the motor are connected in series to the same control circuit.

9. The ladle hoisting control system according to claim 1, characterized in that: The clamp is connected to the clamping device via a mounting frame, the clamp sensor is arranged between the mounting frame and the clamping device; and the controller is electrically connected to the clamp sensor.

10. The ladle hoisting control system according to claim 1, characterized in that: The lifting device comprises a crane; the clamping device comprises a tilting machine.

Images