Monitoring method applied to a crane

Abstract

The application relates to a monitoring method applied to a crane, which comprises the following steps: acquiring operation data of the crane, wherein the operation data of the crane is generated due to the operation of the crane by a driver; monitoring whether an operation violation condition occurs according to the operation data of the crane; when a target operation violation condition is monitored to occur, carrying out voice reminding for the target operation violation condition at a work site of the crane, and pushing alarm information indicating that the target operation violation condition occurs to a server, wherein the target operation violation condition is any one of the operation violation conditions, and the alarm information indicating that the target operation violation condition occurs is pushed to at least one of a monitoring management platform and a mobile terminal of a relevant person by the server.

Description

Technical Field

[0001] This application belongs to the field of crane technology, and more specifically relates to a monitoring method applied to cranes. Background Technology

[0002] Accidents caused by improper crane operation by crane operators are common at crane work sites, often resulting in serious damage to equipment and threatening the lives of personnel. Therefore, safe crane operation is of paramount importance.

[0003] Currently, preventing crane accidents relies on manual supervision at the crane operation site to monitor crane operators for improper operation. However, this method is costly. Therefore, reducing the cost of accident prevention at crane operation sites is a problem that needs to be addressed. Summary of the Invention

[0004] This application provides a monitoring method for cranes, addressing the problem of how to reduce the cost of safety accidents occurring at crane operation sites.

[0005] This application provides a monitoring method for cranes, which is executed by a monitoring device installed on the crane. The method includes:

[0006] Acquire crane operation data, which is generated due to the crane operator's operation of the crane;

[0007] Monitor for any operational violations based on the crane's operating data;

[0008] When a violation of the target operation is detected, a voice reminder will be given at the crane's operating site, and an alarm message indicating the violation will be pushed to the server. The target operation violation can be any operation violation. The server will push the alarm message indicating the violation to at least one of the monitoring management platform and the mobile terminal of relevant personnel.

[0009] The monitoring of operational violations based on crane operation data includes:

[0010] Diagnostic procedures performed outside the specified test limits include:

[0011] Within a preset test window during the target shift of the crane, monitor whether the critical limit switches on the crane are triggered.

[0012] When no critical limit switch is detected to be triggered within the test window, a first operational violation is determined to have occurred, wherein the first operational violation indicates that the crane operator is not operating the crane to test the limits as required.

[0013] In one possible implementation, monitoring for operational violations based on crane operation data also includes:

[0014] Diagnosing illegal use of parking spaces, including:

[0015] When, based on the crane's operation data, it is detected that at least one travel limit switch on the crane is triggered during normal operating periods outside the test window, a second operational violation is determined, wherein the second operational violation indicates that the crane operator has illegally stopped the crane by using its travel limit.

[0016] In one possible implementation, monitoring for operational violations based on crane operation data also includes:

[0017] Diagnosing illegal reverse steering includes:

[0018] When, based on the crane's operation data, it is detected that after a time less than a preset safety threshold elapses from the moment when the state of a contactor in one direction on the crane becomes open, and then the state of a contactor in the opposite direction on the crane becomes closed, a third operational violation is determined to have occurred. This third operational violation indicates that the crane operator has illegally reversed the crane's direction.

[0019] In one possible implementation, monitoring for operational violations based on crane operation data also includes:

[0020] The diagnosis of three violations includes:

[0021] When, based on the crane's operation data, it is detected that the number of mechanisms in the master controller of multiple mechanisms on the crane that are in operation is not less than three, a fourth operational violation is determined to have occurred. The fourth operational violation indicates that the crane operator is performing three unauthorized operations on the crane. The multiple mechanisms include: hoisting mechanism, trolley mechanism, and also include: trolley mechanism or slewing mechanism.

[0022] In one possible implementation, monitoring for operational violations based on crane operation data also includes:

[0023] Diagnostic procedures for translation before reaching a safe distance are performed. These procedures include:

[0024] When the crane's operation data shows that the height of the load being lifted by the crane is lower than the preset safe height, and the crane's trolley translation mechanism or gantry translation mechanism is operated, a fifth operational violation is identified. The fifth operational violation indicates that the crane operator operated the crane to translate before reaching the safe distance.

[0025] In one possible implementation, monitoring for operational violations based on crane operation data also includes:

[0026] Diagnostic procedures for unauthorized power-off under load include:

[0027] When the main power contactor on the crane is about to disconnect or has already disconnected, based on the crane's operation data, monitor whether the master controller of each mechanism on the crane is in a non-zero position.

[0028] When the master controller of at least one unit is detected to be in a non-zero state, a sixth operational violation is determined to have occurred, wherein the sixth operational violation indicates that the crane operator has illegally operated the crane to disconnect the load.

[0029] In one possible implementation, monitoring for operational violations based on crane operation data also includes:

[0030] The diagnosis of violations that are not subject to progressive adjustment of levels includes:

[0031] When, based on the crane's operation data, it is monitored that the crane's gear changes from the first gear to the second gear and the absolute value of the gear difference between the first and second gears is greater than the gear difference threshold, a seventh operational violation is determined to have occurred. The seventh operational violation indicates that the crane operator violated regulations by not shifting gears sequentially.

[0032] In one possible implementation, monitoring for operational violations based on crane operation data also includes:

[0033] Diagnosing violations related to failure to conduct trial lifting, including:

[0034] In response to the crane entering the test lifting monitoring state, the system monitors whether the crane keeps the load below the preset test lifting height for at least a time threshold during the process of lifting the load to a height exceeding the preset test lifting height.

[0035] When it is detected that during the process of the crane lifting the load to a height exceeding the preset test lifting height, the load is not kept below the preset test lifting height for at least the time threshold, the eighth operational violation is determined to have occurred. The eighth operational violation indicates that the crane operator violated the rules by not conducting a test lifting. The crane entered the test lifting monitoring state because the load on the crane exceeded the heavy load threshold.

[0036] In one possible implementation, when the server is deployed in the cloud, the server is a cloud server deployed on the public Internet.

[0037] In one possible implementation, when the server is deployed locally, the server is a local server deployed within the corporate intranet of the company that owns the crane.

[0038] Beneficial effects:

[0039] The system acquires crane operation data, generated from the crane operator's actions. Based on this data, it monitors for operational violations. When a violation is detected, it provides a voice alert at the crane's work site and sends an alarm notification to the server. The server then pushes the alarm notification to at least one of the monitoring management platform and relevant personnel's mobile devices. The occurrence of an operational violation indicates improper crane operation. The voice alert at the crane's work site ensures that the crane operator is promptly aware of any violations and can take timely measures to prevent accidents. The relevant personnel can be those responsible for the safety of the crane's operating site. The server pushes alarm information indicating corresponding operational violations to at least one of the following: the monitoring and management platform, or the relevant personnel's mobile terminal. This allows the relevant personnel to access the monitoring and management platform via computer devices to view the alarm information indicating corresponding operational violations, and / or for their mobile terminals to display the alarm information indicating corresponding operational violations. This enables the relevant personnel to be promptly aware of crane operator violations and take timely measures to prevent safety accidents. Thus, automatic monitoring of operational violations eliminates the need for manual supervision by on-site personnel to prevent crane operator misconduct, reducing the cost of accident prevention. When operational violations occur, timely monitoring and notification of the crane operator and relevant personnel ensure that they take appropriate measures to prevent safety accidents.

[0040] The monitoring method for cranes provided in this application can achieve proactive prevention and real-time intervention: changing passive post-event accountability to proactive in-event intervention, and stopping unsafe behavior immediately through on-site voice alarm.

[0041] The crane monitoring method provided in this application supports flexible server deployment, ensuring operational data security. It supports two deployment methods: a cloud server deployed on the public internet or a local server deployed within the enterprise's intranet. The local server deployed within the enterprise's intranet keeps all data within the enterprise, ensuring the security and privacy of production data and protecting it from external network fluctuations.

[0042] The crane monitoring method provided in this application allows relevant personnel to be aware of operational violations anytime, anywhere, regardless of the server deployment method. The detailed violation data records generated from the monitored violations provide objective evidence for on-site safety management of the crane and for evaluating the crane operator's performance. Attached Figure Description

[0043] To more clearly illustrate the technical solutions in the embodiments of this specification or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the embodiments of this specification. For those skilled in the art, other drawings can be obtained based on these drawings.

[0044] Figure 1 This is a schematic diagram of an example architecture that can be used to implement the monitoring method for cranes provided in the embodiments of this application;

[0045] Figure 2 This is a schematic diagram of another example architecture that can be used to implement the monitoring method for cranes provided in the embodiments of this application. Detailed Implementation

[0046] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. It should be noted that, unless otherwise specified, the implementation methods and features in the implementation methods in this disclosure can be combined, separated, interchanged, and / or rearranged. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0047] In the accompanying drawings, the dimensions and relative dimensions of components may be exaggerated for clarity and / or descriptive purposes. When exemplary embodiments can be implemented differently, a specific process sequence may be performed in a different order than that described. For example, two consecutively described processes may be performed substantially simultaneously or in the reverse order of their description. Furthermore, the same reference numerals denote the same components.

[0048] When a component is referred to as being "on" or "above" another component, "connected to," or "joined to" another component, the component may be directly on, directly connected to, or directly joined to the other component, or there may be intermediate components. However, when a component is referred to as being "directly on" another component, "directly connected to," or "directly joined to" another component, there are no intermediate components. Therefore, the term "connection" can refer to a physical connection, an electrical connection, etc., and may or may not have intermediate components.

[0049] For descriptive purposes, this disclosure may use spatial relative terms such as “top,” “bottom,” “below,” “under,” “under,” “below,” “above,” “above,” “higher,” etc., which are relative to components, to describe the relationship between one component and another (other) component as shown in the accompanying drawings.

[0050] The terminology used herein is for the purpose of describing particular embodiments and is not intended to be limiting. As used herein, unless the context clearly indicates otherwise, the singular forms “a” and “the” are intended to include the plural forms as well. Furthermore, when the terms “comprising” and / or “including” and variations thereof are used in this specification, it indicates the presence of the stated features, integrals, steps, operations, parts, components, and / or groups thereof, but does not exclude the presence or addition of one or more other features, integrals, steps, operations, parts, components, and / or groups thereof. It should also be noted that, as used herein, the terms “substantially,” “about,” and other similar terms are used as approximate terms rather than as terms of degree, thus explaining the inherent biases in measurements, calculated values, and / or provided values ​​that would be recognized by one of ordinary skill in the art.

[0051] refer to Figure 1 It shows a schematic diagram of an example architecture that can be used to implement the monitoring method for cranes provided in the embodiments of this application.

[0052] The example architecture includes: a crane, a crane operator behavior intelligent monitoring device, the Internet, a cloud server, a web management platform (monitoring and management platform), and a mobile app.

[0053] In this example architecture, the monitoring device used to execute the monitoring method for cranes provided in the embodiments of this application is called a crane operator behavior intelligent monitoring device.

[0054] The crane includes: a PLC system and various sensors.

[0055] A monitoring device for performing the monitoring method for cranes provided in the embodiments of this application is installed on the crane.

[0056] A monitoring device for performing the crane monitoring method provided in the embodiments of this application may include: a data acquisition module, a central processing unit, a voice output module, and a communication module.

[0057] The data acquisition module connects to the crane's PLC system or is connected to multiple sensors via hardwired connections. The data acquisition module is used to acquire real-time operational data from the crane.

[0058] The central processing unit (CPU) is connected to the data acquisition module.

[0059] The central processing unit is used to monitor for operational violations based on the crane's operating data.

[0060] The voice output module is connected to the central processing unit. The voice output module is used to play an alarm voice indicating the operational violation at the crane's operating site when an operational violation is detected.

[0061] The communication module is connected to the central processing unit. The communication module is used to send alarm information indicating a corresponding operational violation to the server. The server then pushes the alarm information indicating the target operational violation to at least one of the monitoring and management platform and the mobile terminals of relevant personnel.

[0062] As an example, a communication module (such as a 4G / Wi-Fi module) sends an alarm message indicating a corresponding operational violation to a cloud server via the public internet. The cloud server then pushes the alarm message indicating the target operational violation to the monitoring management platform or a mobile app on the mobile terminal of relevant personnel.

[0063] Relevant personnel, such as those responsible for the safety of the crane's operating site, can access the monitoring and management platform through any internet-connected computer to view alarm information indicating a violation of the target operation and / or through a mobile app.

[0064] refer to Figure 2 It illustrates a schematic diagram of another example architecture that can be used to implement the monitoring method for cranes provided in the embodiments of this application.

[0065] The example architecture includes: a crane, a crane operator behavior intelligent monitoring device, an enterprise intranet, a local server, a web management platform (i.e., a monitoring and management platform), and a mobile APP.

[0066] The communication module of the monitoring device used to execute the crane monitoring method provided in the embodiments of this application is connected to a local server via an enterprise intranet.

[0067] In this context, "enterprise intranet" can refer to an enterprise's internal local area network.

[0068] As an example, the communication module of the monitoring device used to execute the crane monitoring method provided in this application embodiment is a wired Ethernet or internal Wi-Fi module. The communication module of the monitoring device used to execute the crane monitoring method provided in this application embodiment sends alarm information indicating the occurrence of corresponding operational violations to the local server through the enterprise intranet.

[0069] The local server pushes alerts indicating violations of the target operation to the monitoring and management platform. Relevant personnel, such as those responsible for safety at the crane's operating site, can access the monitoring and management platform through any device connected to the company's intranet to view the alerts indicating violations.

[0070] The local server is physically located within the enterprise, and all application software runs on the local server. The local server pushes alarm information indicating violations of target operations to the monitoring and management platform. Relevant personnel, such as those responsible for the safety of crane operation sites, can access the monitoring and management platform through any device connected to the enterprise intranet to view the alarm information indicating violations of target operations. Data security is high, and the response speed is fast.

[0071] The following describes a monitoring method for cranes provided in embodiments of this application. The method is executed by a monitoring device installed on the crane, which includes a computer device. The method includes steps S101-S103.

[0072] In step S101, the crane's operation data is acquired, wherein the crane's operation data is generated due to the crane operator's operation of the crane.

[0073] Among them, the crane's operation data can indicate what actions the crane operator performed.

[0074] As an example, the crane's operation data can indicate what actions the crane operator performed on the crane within a certain time period, ending at the current time, where the current time can refer to the moment when step S101 was started.

[0075] In step S102, the crane's operation data is used to monitor whether any operational violations have occurred.

[0076] Step S102 includes: Step S1021.

[0077] In step S1021, a diagnosis of non-compliance with the specified test limits is performed. The diagnosis of non-compliance with the specified test limits includes:

[0078] Within a preset test window during the target shift of the crane, monitor whether the critical limit switches on the crane are triggered.

[0079] When the critical limit switch is not detected to be triggered within the test window, a first operational violation is determined to have occurred. The first operational violation indicates that the crane operator is not operating the crane to test the limits as required.

[0080] It should be noted that a shift can refer to a pre-set operating time period for the crane. Within a given shift, the crane is operated by the operator assigned to that shift.

[0081] Which of the multiple shifts will be the target shift can be preset. The type of the critical limit switch can also be preset.

[0082] The test window is used for the test period, and the start time of the test window can be the start time of the target shift.

[0083] As an example, the preset duration is 10 minutes.

[0084] It should be noted that "trigger" specifically refers to a valid trigger.

[0085] In one possible implementation, step S102 further includes step S1022.

[0086] In step S1022, a diagnosis of illegal use of extreme parking is performed, which includes:

[0087] When, based on the crane's operation data, it is detected that at least one travel limit switch on the crane is triggered during normal operating periods outside the test window, a second operational violation is determined, wherein the second operational violation indicates that the crane operator has illegally used the limit switch to stop the crane.

[0088] The test window is a time period with a preset duration within the target shift of the crane.

[0089] In one possible implementation, step S102 further includes step S1023.

[0090] In step S1023, a diagnosis of illegal reverse steering is performed. The diagnosis of illegal reverse steering includes:

[0091] When, based on the crane's operation data, it is detected that after a time less than a preset safety threshold elapses from the moment when the state of the contactor in one direction on the crane becomes open, and then the state of the contactor in the opposite direction on the crane becomes closed, a third operational violation is determined to have occurred. The third operational violation indicates that the crane operator has illegally reversed the crane's direction.

[0092] In other words, if the time interval between the moment when the contactor in one direction becomes open and the moment when the contactor in the opposite direction becomes closed is less than a preset safety threshold, then a third operational violation is determined to have occurred, namely, the crane operator illegally reverses the crane operation.

[0093] Specifically, the contactor refers to the contactor of the crane's motor. Crane motors include: forward contactors and reverse contactors.

[0094] In order to diagnose violations of reverse operation, the system monitors the timestamps of the status changes of the forward and reverse contactors of the crane's motor.

[0095] As an example, the default safety threshold is 1 second.

[0096] In one possible implementation, step S102 further includes step S1024.

[0097] In step S1024, a diagnosis of three irregular moves is performed. The diagnosis of three irregular moves includes:

[0098] When, based on the crane's operation data, it is detected that the number of mechanisms in the master controller of multiple mechanisms on the crane that are in operation is not less than three, a fourth operational violation is determined to have occurred. The fourth operational violation indicates that the crane operator is performing three unauthorized operations on the crane. The multiple mechanisms include: hoisting mechanism, trolley mechanism, and also include: trolley mechanism or slewing mechanism.

[0099] The operating state can refer to a non-zero state.

[0100] In one possible implementation, step S102 further includes step S1025.

[0101] In step S1025, a diagnosis is performed for translation before reaching a safe distance. This diagnosis includes:

[0102] When the crane's operation data shows that the height of the load being lifted by the crane is lower than the preset safe height, and the crane's trolley translation mechanism or gantry translation mechanism is operated, a fifth operational violation is identified. The fifth operational violation indicates that the crane operator operated the crane to translate before reaching the safe distance.

[0103] In other words, if the height of the object lifted by the crane is lower than the preset safe height, and the trolley translation mechanism or the auxiliary trolley translation mechanism on the crane is operated, it can be determined that a fifth operational violation has occurred and that the crane operator has operated the crane to translate before reaching the safe distance.

[0104] As an example, the default safety height is 3 meters.

[0105] In one possible implementation, step S102 further includes step S1026.

[0106] In step S1026, a diagnosis of unauthorized power-off under load is performed. The diagnosis of unauthorized power-off under load includes:

[0107] When the main power contactor on the crane is about to disconnect or has already disconnected, based on the crane's operation data, monitor whether the master controller of each mechanism on the crane is in a non-zero position.

[0108] When the master controller of at least one unit is detected to be in a non-zero state, a sixth operational violation is determined to have occurred, wherein the sixth operational violation indicates that the crane operator has illegally operated the crane to disconnect the load.

[0109] "About to disconnect" can mean that the connection will be established after a period of time less than a threshold from the current moment.

[0110] In other words, when the main power contactor is detected to be about to disconnect or has already disconnected, the system monitors whether the master controllers of all mechanisms of the crane have been reset to zero. If any master controller of any crane mechanism is still in a non-zero state, the crane operator is operating the crane illegally with the load off.

[0111] In one possible implementation, step S102 further includes step S1027.

[0112] In step S1027, a diagnosis is performed for violations of not adjusting gear levels sequentially. The diagnosis of violations of not adjusting gear levels sequentially includes:

[0113] When, based on the crane's operation data, it is monitored that the crane's gear changes from the first gear to the second gear and the absolute value of the gear difference between the first and second gears is greater than the gear difference threshold, a seventh operational violation is determined to have occurred. The seventh operational violation indicates that the crane operator violated regulations by not shifting gears sequentially.

[0114] In order to diagnose violations such as not shifting gears step by step, every change in the status of the gear controller on the crane can be recorded.

[0115] As an example, with a gear difference threshold of 1, if the crane is detected to go directly from gear 1 to gear 3, then the seventh operational violation is determined to have occurred, namely, the crane operator is violating regulations by not shifting gears sequentially.

[0116] In one possible implementation, step S102 further includes step S1028.

[0117] In step S1028, a diagnosis of non-compliance with the lifting procedure is performed. The diagnosis of non-compliance with the lifting procedure includes:

[0118] In response to the crane entering the test lifting monitoring state, the system monitors whether the crane keeps the load below the preset test lifting height for at least a time threshold during the process of lifting the load to a height exceeding the preset test lifting height.

[0119] When it is detected that during the process of the crane lifting the load to a height exceeding the preset test lifting height, the load is not kept below the preset test lifting height for at least the time threshold, the eighth operational violation is determined to have occurred. The eighth operational violation indicates that the crane operator violated the rules by not conducting a test lifting. The crane entered the test lifting monitoring state because the load on the crane exceeded the heavy load threshold.

[0120] As an example, when the load sensor on the crane detects that the load exceeds the overload threshold (e.g., 50% of the rated load), the crane enters a test lift monitoring state. The preset test lift height is 1 meter. If, during the process of lifting the load to a height exceeding 1 meter, the load is not kept below 1 meter for at least the required duration (i.e., there is no brief braking and holding process), then the eighth operational violation is identified: the crane operator is operating the crane improperly without conducting a test lift.

[0121] In step S103, when a target operation violation is detected, a voice reminder is given at the crane's work site regarding the target operation violation, and an alarm message indicating the target operation violation is pushed to the server. The target operation violation can be any operation violation, and the server pushes the alarm message indicating the target operation violation to at least one of the monitoring management platform and the mobile terminals of relevant personnel.

[0122] In one possible implementation, when the server is deployed in the cloud, it is a cloud server deployed on the public internet.

[0123] In one possible implementation, when the server is deployed locally, it is a local server deployed within the corporate intranet of the company that owns the crane.

[0124] Among them, providing voice reminders for target operational violations at the crane's operating site can include: playing an alarm voice indicating that a target operational violation has occurred at the crane's operating site.

[0125] Those skilled in the art will further recognize that the units and algorithm steps of the various examples described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of both. To clearly illustrate the interchangeability of hardware and software, the components and steps of the various examples have been generally described in terms of functionality in the foregoing description. Whether these functions are implemented in hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this application.

[0126] The steps of the methods or algorithms described in conjunction with the embodiments disclosed herein can be implemented in hardware, a software module executed by a processor, or a combination of both. The software module can be located in random access memory (RAM), main memory, read-only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, removable disk, CD-ROM, or any other form of storage medium known in the art.

[0127] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this application. It should be understood that the above description is only a specific embodiment of this application and is not intended to limit the scope of protection of this application. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of this application.

Claims

1. A monitoring method for cranes, characterized in that: The method is performed by a monitoring device installed on a crane, and the method includes: Acquire crane operation data, which is generated due to the crane operator's operation of the crane; Monitor for any operational violations based on the crane's operating data; When a violation of the target operation is detected, a voice reminder will be given at the crane's operating site, and an alarm message indicating the violation will be pushed to the server. The target operation violation can be any operation violation. The server will push the alarm message indicating the violation to at least one of the monitoring management platform and the mobile terminal of relevant personnel. The monitoring of operational violations based on crane operation data includes: Diagnostic procedures performed outside the specified test limits include: Within a preset test window during the target shift of the crane, monitor whether the critical limit switches on the crane are triggered. When the critical limit switch is not detected to be triggered within the test window, a first operational violation is determined to have occurred, wherein the first operational violation indicates that the crane operator is not operating the crane to test the limits as required.

2. The method according to claim 1, characterized in that: Based on the crane's operational data, monitoring for operational violations also includes: Diagnosing illegal use of parking spaces, including: When, based on the crane's operation data, it is monitored that at least one travel limit switch on the crane is triggered during normal operating periods outside the test window, a second operational violation is determined to have occurred, wherein the second operational violation indicates that the crane operator has illegally used the limit switch to stop the crane.

3. The method according to claim 1, characterized in that: Based on the crane's operational data, monitoring for operational violations also includes: Diagnosing illegal reverse steering includes: When, based on the crane's operation data, it is detected that after a time less than a preset safety threshold elapses from the moment when the state of a contactor in one direction on the crane becomes open, and then the state of a contactor in the opposite direction on the crane becomes closed, a third operational violation is determined to have occurred. This third operational violation indicates that the crane operator has illegally reversed the crane's direction.

4. The method according to claim 1, characterized in that: Based on the crane's operational data, monitoring for operational violations also includes: The diagnosis of three violations includes: When, based on the crane's operation data, it is detected that the number of mechanisms in the master controller of multiple mechanisms on the crane that are in operation is not less than three, a fourth operational violation is determined to have occurred. The fourth operational violation indicates that the crane operator is performing three unauthorized operations on the crane. The multiple mechanisms include: hoisting mechanism, trolley mechanism, and also include: trolley mechanism or slewing mechanism.

5. The method according to claim 1, characterized in that: Based on the crane's operational data, monitoring for operational violations also includes: Diagnostic procedures for translation before reaching a safe distance are performed. These procedures include: When the crane's operating data shows that the height of the load being lifted by the crane is lower than the preset safe height, and the crane's trolley translation mechanism or gantry translation mechanism is operated, a fifth operational violation is identified. The fifth operational violation indicates that the crane operator operated the crane to translate before reaching the safe distance.

6. The method according to claim 1, characterized in that: Based on the crane's operational data, monitoring for operational violations also includes: Diagnostic procedures for unauthorized power-off under load include: When the main power contactor on the crane is about to disconnect or has already disconnected, based on the crane's operation data, monitor whether the master controller of each mechanism on the crane is in a non-zero position. When the master controller of at least one unit is detected to be in a non-zero state, a sixth operational violation is determined to have occurred, wherein the sixth operational violation indicates that the crane operator has illegally operated the crane to disconnect the load.

7. The method according to claim 1, characterized in that: Based on the crane's operational data, monitoring for operational violations also includes: The diagnosis of violations that are not subject to progressive adjustment of levels includes: When, based on the crane's operation data, it is monitored that the crane's gear changes from the first gear to the second gear and the absolute value of the gear difference between the first and second gears is greater than the gear difference threshold, a seventh operational violation is determined to have occurred. The seventh operational violation indicates that the crane operator violated regulations by failing to shift gears sequentially.

8. The method according to claim 1, characterized in that: Based on the crane's operational data, monitoring for operational violations also includes: Diagnosing violations related to failure to conduct trial lifting, including: In response to the crane entering the test lifting monitoring state, the system monitors whether the load is kept below the preset test lifting height for at least a time threshold during the process of the crane lifting the load to a height exceeding the preset test lifting height. When it is detected that during the process of the crane lifting the load to a height exceeding the preset test lifting height, the load is not kept below the preset test lifting height for at least the time threshold, the eighth operational violation is determined to have occurred. The eighth operational violation indicates that the crane operator violated the rules by not conducting a test lifting. The crane entered the test lifting monitoring state because the load on the crane exceeded the heavy load threshold.

9. The method according to any one of claims 1-8, characterized in that: When the server is deployed in the cloud, the server is a cloud server deployed on the public Internet.

10. The method according to any one of claims 1-8, characterized in that: When the server is deployed locally, it is a local server deployed within the corporate intranet of the company that owns the crane.

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