CN215729371U - Control system for lifting equipment - Google Patents
Control system for lifting equipment Download PDFInfo
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- CN215729371U CN215729371U CN202122006357.9U CN202122006357U CN215729371U CN 215729371 U CN215729371 U CN 215729371U CN 202122006357 U CN202122006357 U CN 202122006357U CN 215729371 U CN215729371 U CN 215729371U
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Abstract
The utility model provides a lifting device control system, comprising: the control module comprises a main control unit, a carrying state detection unit and a lifting state determination unit; the carrying state detection unit and the lifting state determination unit are both connected with the main control unit; the carrying state detection unit is used for detecting the carrying state of carrying equipment carried on the lifting equipment control system; the lifting state determining unit is used for determining the lifting state of the carrying equipment; the power supply module is connected with the main control unit and used for providing power signals; the lifting execution module is respectively connected with the main control unit and the power supply module and is used for respectively receiving a lifting execution signal sent by the main control unit and the power supply signal provided by the power supply module; the lifting execution signal is a corresponding signal generated by the main control unit according to the loading state and the lifting state. By adopting the system, the control efficiency of the lifting equipment can be improved.
Description
Technical Field
The utility model relates to the technical field of control, in particular to a lifting device control system.
Background
With the development of the control technology field, the requirement of the automatic control technology level is higher and higher, and especially, the automatic control technology level is in the field with low efficiency by using manual operation, for example, in the field of maintenance of power transmission lines and the like.
SUMMERY OF THE UTILITY MODEL
The utility model provides a lifting equipment control system, which is used for solving the defect of low lifting equipment control efficiency in the prior art and realizing the effect of improving the lifting equipment control efficiency.
The utility model provides a lifting device control system, comprising: the control module comprises a main control unit, a carrying state detection unit and a lifting state determination unit; the carrying state detection unit and the lifting state determination unit are both connected with the main control unit; the carrying state detection unit is used for detecting the carrying state of carrying equipment carried on the lifting equipment control system; the lifting state determining unit is used for determining the lifting state of the carrying equipment; the power supply module is connected with the main control unit and used for providing power signals; the lifting execution module is respectively connected with the main control unit and the power supply module and is used for respectively receiving a lifting execution signal sent by the main control unit and the power supply signal provided by the power supply module; the lifting execution signal is a corresponding signal generated by the main control unit according to the loading state and the lifting state.
According to the lifting equipment control system provided by the utility model, the carrying state detection unit comprises a pressure sensor, the pressure sensor is connected with the main control unit and is used for receiving a pressure signal generated by the carrying equipment and sending the pressure signal to the main control unit, so that the main control unit detects the state of the carrying equipment according to the pressure signal.
According to the control system of the lifting equipment, the main control unit comprises an analog quantity input interface, the pressure sensor is connected with the analog quantity input interface, and the pressure signal is sent to the main control unit through the analog quantity input interface.
According to the lifting equipment control system provided by the utility model, the main control unit comprises a digital quantity input interface, the lifting state determining unit is connected with the digital quantity input interface, and a trigger signal is sent to the main control unit through the digital quantity input interface, so that the main control unit determines the lifting state of the carrying equipment according to the trigger signal.
According to the control system of the lifting equipment provided by the utility model, the control module further comprises an emergency disposal unit, and the emergency disposal unit is connected with the main control unit and used for sending an emergency disposal signal to the main control unit under an emergency condition so as to enable the main control unit to control the lifting execution module according to the emergency disposal signal.
According to the control system of the lifting equipment, the emergency treatment unit comprises an ascending trigger element, a descending trigger element and an emergency stop trigger element; the rising trigger element, the falling trigger element and the emergency stop trigger element are all connected with the digital quantity input interface, and emergency disposal signals are respectively sent to the main control unit through the digital quantity input interface.
According to the control system of the lifting equipment provided by the utility model, the control module further comprises a wireless remote control unit, wherein the wireless remote control unit is connected with the main control unit and is used for sending a remote control signal to the main control unit so that the main control unit controls the lifting execution module according to the remote control signal.
According to the control system of the lifting equipment provided by the utility model, the control module further comprises a carrying equipment limiting unit, wherein the carrying equipment limiting unit is connected with the main control unit and is used for sending a position information signal to the main control unit so that the main control unit controls the running speed of the lifting execution module according to the position information signal; the position information signal is a signal corresponding to the position information of the carrying equipment on the lifting equipment.
According to the lifting equipment control system provided by the utility model, the carrying equipment limiting unit comprises an upper limiting switch and a lower limiting switch, and the upper limiting switch and the lower limiting switch are both connected with the main control unit.
According to the lifting equipment control system provided by the utility model, the lifting execution module comprises an execution control unit and an execution unit, the main control unit, the execution control unit and the execution unit are sequentially connected, and the execution control unit is used for receiving the lifting execution signal sent by the main control unit and the power supply signal sent by the power supply module and sending the lifting execution signal and the power supply signal to the execution unit; and the execution unit is used for receiving the lifting execution signal and the power supply signal and executing the execution action of the local terminal by using the lifting execution signal.
The lifting equipment control system provided by the utility model is provided with a control module, a power supply module and a lifting execution module, wherein a main control unit, a carrying state detection unit and a lifting state determination unit are arranged in the control module, and the carrying state detection unit and the lifting state determination unit are connected with the main control unit; the carrying state detection unit is used for detecting the state of carrying equipment carried on the lifting equipment control system; the lifting state determining unit is used for determining the lifting state of the carrying equipment; the power supply module is connected with the main control unit and used for providing a power supply signal; and the lifting execution module is respectively connected with the main control unit and the power supply module and is used for respectively receiving the lifting execution signal sent by the main control unit and the power supply signal provided by the power supply module. The lifting state of the carrying equipment carried on the lifting equipment control system can be detected by the carrying state detection unit, the lifting state of the carrying equipment is determined by the lifting state determination unit, the main control module generates a lifting execution signal according to the carrying state and the lifting state and sends the lifting execution signal to the lifting execution module, the process is realized, the human input is reduced, the automation level is improved, and the purpose of improving the control efficiency of the lifting equipment is achieved.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is one of the schematic structural views of a control system for a lift system provided by the present invention;
FIG. 2 is a second schematic structural diagram of a lift system control system according to the present invention;
fig. 3 is a third schematic structural diagram of a control system of a lifting device provided in the present invention;
FIG. 4 is a fourth schematic structural view of a lift system control system provided in accordance with the present invention;
FIG. 5 is a fifth schematic view of the control system of the lift system of the present invention;
FIG. 6 is a sixth schematic view of the control system of the lift system of the present invention;
FIG. 7 is a seventh schematic view of a lift system control system according to the present invention;
FIG. 8 is a wiring schematic of a lift device control system provided by the present invention;
reference numerals:
100: a main control unit; 101: an RS485 serial port; 202: an upper limit switch;
203: a lower limit switch; 204: a rising trigger element; 205: a falling trigger element;
206: an emergency stop trigger element; 207: a drive failure triggering element; 208: a remote-controlled raising element;
209: a remote pause element; 210: a remote control descent element; 211: a pressure sensor;
212: a motor driver.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The lift device control system of the present invention is described below in conjunction with fig. 1-8.
In one embodiment, as shown in fig. 1, there is provided a lift device control system comprising: the control module comprises a main control unit, a carrying state detection unit and a lifting state determination unit; the carrying state detection unit and the lifting state determination unit are both connected with the main control unit; the loading state detection unit is used for detecting the loading state of the loading equipment loaded on the lifting equipment control system; the lifting state determining unit is used for determining the lifting state of the carrying equipment; the power supply module is connected with the main control unit and used for providing power signals; the lifting execution module is respectively connected with the main control unit and the power supply module and is used for respectively receiving a lifting execution signal sent by the main control unit and a power supply signal provided by the power supply module; the lifting execution signal is a corresponding signal generated by the main control unit according to the carrying state and the lifting state.
The mounting state refers to a state in which the mounting device is normally or abnormally mounted on the lifting device control system. The lifting state is a state in which the onboard device is performing a lifting operation or a lowering operation on the lifting device controlled by the lifting device control system.
The lifting equipment control system provided by the utility model is provided with a control module, a power supply module and a lifting execution module, wherein a main control unit, a carrying state detection unit and a lifting state determination unit are arranged in the control module, and the carrying state detection unit and the lifting state determination unit are connected with the main control unit; the carrying state detection unit is used for detecting the state of carrying equipment carried on the lifting equipment control system; the lifting state determining unit is used for determining the lifting state of the carrying equipment; the power supply module is connected with the main control unit and used for providing a power supply signal; and the lifting execution module is respectively connected with the main control unit and the power supply module and is used for respectively receiving a lifting execution signal sent by the main control unit and a power supply signal provided by the power supply module. The lifting state of the carrying equipment carried on the lifting equipment control system can be detected by the carrying state detection unit, the lifting state of the carrying equipment is determined by the lifting state determination unit, the main control module generates a lifting execution signal according to the carrying state and the lifting state and sends the lifting execution signal to the lifting execution module, the process is realized, the human input is reduced, the automation level is improved, and the purpose of improving the control efficiency of the lifting equipment is achieved.
In one embodiment, the mounting state detecting unit includes a pressure sensor, where the pressure sensor is connected to the main control unit, and is configured to receive a pressure signal generated by the mounting device and send the pressure signal to the main control unit, so that the main control unit detects the mounting state of the mounting device according to the pressure signal.
Specifically, after the onboard equipment is mounted on the lifting equipment, a pressure sensor in the lifting equipment control system detects a weight value of the onboard equipment and sends the weight value to the main control unit, the main control unit compares the weight value with a weight threshold value according to the weight value, and when the weight value exceeds the weight threshold value, the main control unit judges that the onboard equipment is successfully mounted on the lifting equipment.
In one embodiment, as shown in fig. 8, the main control unit 100 includes an analog input interface AI, and the pressure sensor 211 is connected to the analog input interface AI, and transmits the pressure signal to the main control unit 100 through the analog input interface AI.
In one embodiment, as shown in fig. 8, the pressure sensor 211 is connected to the port 0+ and the port 0 "of the analog input interface AI, and transmits the pressure signal to the main control unit 100, and after the main control unit 100 receives the pressure signal, the pressure signal is converted into a pressure value, and the pressure value can be displayed on the elevator control system or other devices capable of displaying the pressure value.
In one embodiment, the main control unit includes a digital input interface, the lifting state determining unit is connected to the digital input interface, and the trigger signal is sent to the main control unit through the digital input interface, so that the main control unit determines the lifting state of the onboard equipment according to the trigger signal.
Specifically, as shown in fig. 8, the main control unit 100 includes a digital input interface DIa, and the lifting state determining unit is connected to a terminal 0 in the digital input interface DIa, and sends a trigger signal to the main control unit 100, so that the main control unit determines the lifting state of the onboard device according to the trigger signal. When the level at the terminal 0 is changed from low level to high level, the loading state of the loaded equipment is indicated as successful, and the loaded equipment loaded on the lifting equipment can be controlled to lift.
In an embodiment, as shown in fig. 2, the control module further includes an emergency handling unit, where the emergency handling unit is connected to the main control unit, and is configured to send an emergency handling signal to the main control unit in an emergency, so that the main control unit controls the lifting execution module according to the emergency handling signal.
The emergency handling signal is a signal transmitted by the emergency handling unit in an emergency, and may be a signal for controlling the lifting execution module to control the onboard equipment to ascend, a signal for controlling the lifting execution module to control the onboard equipment to descend, a signal for controlling the lifting execution module to control the onboard equipment to stop operating, or the like.
In one embodiment, as shown in fig. 3, the emergency treatment unit includes an ascending trigger element, a descending trigger element, and an emergency stop trigger element; the rising trigger element, the falling trigger element and the emergency stop trigger element are all connected with the main control unit, and the emergency disposal signals are respectively sent to the main control unit through a digital quantity input interface of the main control unit.
Specifically, as shown in fig. 8, the rising trigger element 204, the falling trigger element 205, and the emergency stop trigger element 206 are all connected to the digital input interface DIa of the main control unit 100, and respectively send the emergency treatment signal to the main control unit 100 through the digital input interface DIa. More specifically, after the rising trigger element 204 receives the trigger operation, the port 3 of the digital input interface DIa is converted from the low level to the high level, and the main control unit 100 controls the rising device to rise to the first preset position through the rising execution module. When the descending trigger element 205 receives the trigger operation, the port 4 of the digital input interface DIa is converted from the low level to the high level, and the main control unit 100 controls the ascending and descending device to descend to the second preset position through the ascending and descending execution module. When the sudden stop triggering component 206 receives a triggering operation, the port 5 of the digital input interface DIa is converted from a high level to a low level, and the main control unit 100 controls the lifting device to stop running through the lifting execution module.
In an embodiment, as shown in fig. 4, the control module further includes a wireless remote control unit, and the wireless remote control unit is connected to the main control unit and configured to send a remote control signal to the main control unit, so that the main control unit controls the lifting execution module according to the remote control signal.
Specifically, the wireless remote control means remote control without contact. The wireless remote control unit refers to a unit, a module, or a device having a wireless remote control function. Such as a wireless remote control, etc.
In one embodiment, as shown in fig. 8, the wireless remote control unit is connected to the digital input interface DIb of the main control unit 100, wherein when the remote control raising element 208 on the wireless remote control unit receives the trigger operation, the wireless remote control unit transmits the trigger signal to the receiver, the receiver receives the trigger signal through the port 0 of the digital input interface DIb, the level of the port 0 at this time is converted from low level to high level, and sends a control signal to the lifting execution module to control the lifting device to raise. When a remote control pause element 209 on the wireless remote control unit receives a trigger operation, the wireless remote control unit transmits the trigger signal to the receiver, the receiver receives the trigger signal through a port 1 of a digital quantity input interface DIb, the current level of the port 1 is converted from low level to high level, and a control signal is sent to the lifting execution module to control the lifting equipment to pause. When the remote control descending element 210 on the wireless remote control unit receives the triggering operation, the wireless remote control unit transmits the triggering signal to the receiver, the receiver receives the triggering signal through the port 2 of the digital quantity input interface DIb, the current level of the port 2 is converted from low level to high level, and a control signal is sent to the lifting execution module to control the lifting device to descend.
In an embodiment, as shown in fig. 5, the control module further includes a carrier limiting unit, where the carrier limiting unit is connected to the main control unit and is configured to send a position information signal to the main control unit, so that the main control unit controls an operation speed of the lifting execution module according to the position information signal; the position information signal is a signal corresponding to the position information of the carrying equipment on the lifting equipment.
The position information is a position of the mounting device on the lifting device. For example, the carrying device is at 50 meters on the lifting device, and the 50 meters is the position information of the carrying device on the lifting device.
Specifically, in the running process of the carrying equipment on the lifting equipment, the carrying equipment limiting unit in the control module of the lifting system can transmit the position information signal of the carrying equipment on the lifting equipment to the main control unit in real time. When the main control unit receives that the position information signal sent by the carrying equipment limiting unit is the preset position information, the lifting execution module is controlled to decelerate, so that the running speed of the carrying equipment on the lifting equipment is reduced, and the carrying equipment can be stably stopped at the preset position.
Specifically, as shown in fig. 8, the carrying device limiting unit includes an upper limiting switch 202 and a lower limiting switch 203, both the upper limiting switch 202 and the lower limiting switch 203 are connected to a port 1 and a port 2 of a digital input port DIa of the main control unit 100, where the upper limiting switch 202 is used to trigger the upper limiting switch 202 when detecting that the carrying device carried by the lifting device rises to a preset position, transmit a trigger signal to the main control unit 100, the port 1 of the digital input port DIa is converted from a high level to a low level, and the main control unit 100 controls the lifting execution module to stop operating, so that the lifting device stops rising. The lower limit switch 203 is used for triggering the lower limit switch 203 when detecting that the carrying equipment carried by the lifting equipment descends to a preset position, transmitting a trigger signal to the main control unit 100, converting the high level of the port 2 of the digital input port DIa into the low level, and controlling the lifting execution module to stop running by the main control unit 100 so as to stop descending the lifting equipment.
In an embodiment, as shown in fig. 6, the lifting execution module includes an execution control unit and an execution unit, where the main control unit, the execution control unit, and the execution unit are sequentially connected, and the execution control unit is configured to receive a lifting execution signal sent by the main control unit and a power signal sent by the power supply module, and send the lifting execution signal and the power signal to the execution unit; the execution unit is used for receiving the lifting execution signal and the power supply signal and executing the execution action of the local terminal by using the lifting execution signal.
Specifically, in the running process of the lifting device, the carrying device needs to perform specific control execution by an execution unit in a lifting device control system, and an execution signal of the execution unit is derived from an execution control unit connected with the execution unit. It can be understood that, in the specific execution process of the execution unit, the power signal is indispensable, and the execution control unit receives the power signal sent by the power supply module and sends the lifting execution signal and the power signal to the execution unit.
In one embodiment, the lifting device is taken as a tower climbing device, the carrying device is taken as a power transmission line maintenance robot, and a control system of the tower climbing device is taken as an example. As shown in fig. 7, the lifting device control system includes a control module, a power supply module, and a motor driving module; the control module comprises a main control unit, a pressure sensor, a position switch, a vehicle body button, a remote controller, a receiver, a detection tower upper switch and a detection tower lower switch, wherein the pressure sensor, the position switch, the vehicle body button, the receiver, the detection tower upper switch and the detection tower lower switch are all connected with the main control unit, and the remote controller is connected with the receiver; the power supply module comprises a battery or a power supply conversion unit and a communication unit connected with a main control unit in the control module; the motor driving module comprises a motor driver and a motor; the power supply module and the motor driver are both connected with the main control unit, and the motor driver is connected with the motor. The main control unit may be a plc (programmable Logic controller) controller. The motor driver may be a servo motor driver, and the motor may be a servo motor.
Specifically, as shown in fig. 8, the battery power in the power supply module can be transmitted to the main control unit through the RS485 serial port 101 by the RS485 communication mode, the battery state information and the power information are transmitted to the receiver through the RS485 communication by the main control unit, and the battery state information and the power information are transmitted to the remote controller through the receiver, so that the remote controller can display the battery state information and the power information.
Specifically, as shown in fig. 8, the motor driver 212 is connected to the port 4, the port 5, the port 6, and the port 7 of the digital output port DQa of the main control unit 100, controls enabling and failure release of the motor driver 212, and sends a driving signal for starting operation of the motor to the motor driver 212 when the port 4, the port 5, the port 6, and the port 7 are all switched from a low level to a high level. If the driver fails, the driver failure triggering element 207 is triggered, the failure triggering element 207 transmits a failure signal to the main control unit 100, the level of the port 6 of the digital interface DIa of the main control unit 100 is converted from a low level to a high level, and an alarm signal is transmitted to the receiver of the remote controller, so that the remote controller connected to the receiver displays the alarm information.
Specifically, in an emergency, for example, the onboard device needs to be forcibly lowered, raised or stopped to move, the automatic raising button, the automatic lowering button and the emergency stop button of the body buttons may receive corresponding triggering operations, and send control signals corresponding to the triggering operations to the main control unit, so that the main control unit controls the motor driver to control the motor to perform corresponding operations according to the control signals. For example, after the emergency stop button receives the triggering operation, a stop signal is sent to the main control unit, the main control unit controls the motor to stop running according to the stop signal, so that the lifting equipment stops working, and correspondingly, the carrying equipment stops moving.
Specifically, taking the motor as a servo motor as an example, the servo motor reduces the same speed within the same time according to the feedback of a servo motor encoder, thereby ensuring that the carrying equipment stops at the same position of the lifting equipment within the same time.
In one embodiment, the position switch and the pressure sensor of the control module detect whether the power transmission line maintenance robot is correctly carried and whether the weight exceeds a preset value, and transmit data to the main control unit, the main control unit compares the data with previously stored data to obtain whether the power transmission line maintenance robot is correctly carried and whether the weight of the power transmission line maintenance robot exceeds the preset value. If the two detections are correct, the remote controller can receive the triggering operation of the ascending button, the triggering operation of the descending button or the triggering operation of the pause button, the remote controller transmits a signal corresponding to the triggering operation to the receiver, the receiver transmits the signal to the main control unit, the main control unit controls a servo motor driver of the motor driving module after receiving the signal, the servo motor driver can control the servo motor to control the tower climbing equipment to run up and down, and when the servo motor driver runs to a switch below the detection tower or a switch above the detection tower, the button is triggered, and the tower climbing equipment can decelerate until the tower climbing equipment stops running.
The above-described embodiments are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A lift device control system, comprising:
the control module comprises a main control unit, a carrying state detection unit and a lifting state determination unit; the carrying state detection unit and the lifting state determination unit are both connected with the main control unit; the carrying state detection unit is used for detecting the carrying state of carrying equipment carried on the lifting equipment control system; the lifting state determining unit is used for determining the lifting state of the carrying equipment;
the power supply module is connected with the main control unit and used for providing power signals;
the lifting execution module is respectively connected with the main control unit and the power supply module and is used for respectively receiving a lifting execution signal sent by the main control unit and the power supply signal provided by the power supply module; the lifting execution signal is a corresponding signal generated by the main control unit according to the loading state and the lifting state.
2. The lifting equipment control system according to claim 1, wherein the carrying state detection unit comprises a pressure sensor, and the pressure sensor is connected to the main control unit and is configured to receive a pressure signal generated by the carrying equipment and send the pressure signal to the main control unit, so that the main control unit detects the state of the carrying equipment according to the pressure signal.
3. The lift device control system of claim 2 wherein the master control unit includes an analog input interface, the pressure sensor being connected to the analog input interface and transmitting the pressure signal to the master control unit via the analog input interface.
4. The lift device control system of claim 1, wherein the main control unit includes a digital input interface, and the lift state determination unit is connected to the digital input interface, and transmits a trigger signal to the main control unit through the digital input interface, so that the main control unit determines the lift state of the onboard device according to the trigger signal.
5. The lift device control system of claim 4, wherein the control module further comprises an emergency treatment unit connected to the main control unit for sending an emergency treatment signal to the main control unit in case of emergency, so that the main control unit controls the lift execution module according to the emergency treatment signal.
6. The lift device control system of claim 5, wherein the emergency treatment unit includes an ascent trigger element, a descent trigger element, and an emergency stop trigger element; the rising trigger element, the falling trigger element and the emergency stop trigger element are all connected with the digital quantity input interface, and emergency disposal signals are respectively sent to the main control unit through the digital quantity input interface.
7. The lift device control system of claim 1, wherein the control module further comprises a wireless remote control unit, the wireless remote control unit being connected to the main control unit and configured to send a remote control signal to the main control unit, so that the main control unit controls the lift execution module according to the remote control signal.
8. The lifting equipment control system according to claim 1, wherein the control module further comprises a carrier equipment limiting unit, the carrier equipment limiting unit is connected to the main control unit and is configured to send a position information signal to the main control unit, so that the main control unit controls the operating speed of the lifting execution module according to the position information signal; the position information signal is a signal corresponding to the position information of the carrying equipment on the lifting equipment.
9. The lift device control system of claim 8, wherein the onboard device limit unit comprises an upper limit switch and a lower limit switch, both of which are connected to the main control unit.
10. The lifting device control system according to any one of claims 1 to 9, wherein the lifting execution module includes an execution control unit and an execution unit, the main control unit, the execution control unit and the execution unit are sequentially connected, the execution control unit is configured to receive the lifting execution signal sent by the main control unit and the power supply signal sent by the power supply module, and send the lifting execution signal and the power supply signal to the execution unit; and the execution unit is used for receiving the lifting execution signal and the power supply signal and executing the execution action of the local terminal by using the lifting execution signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122006357.9U CN215729371U (en) | 2021-08-24 | 2021-08-24 | Control system for lifting equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122006357.9U CN215729371U (en) | 2021-08-24 | 2021-08-24 | Control system for lifting equipment |
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| CN215729371U true CN215729371U (en) | 2022-02-01 |
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| CN202122006357.9U Active CN215729371U (en) | 2021-08-24 | 2021-08-24 | Control system for lifting equipment |
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