CN115148065A - Container spreader electrical control simulation practical training device, practical training method and practical training system thereof - Google Patents

Abstract

The invention discloses a practical training device, a practical training method and a practical training system for electrical control simulation of a container spreader. The container spreader electrical control simulation practical training device has the advantages of simple structure, safe circuit and stable performance, and is more beneficial to the manual operation of students; meanwhile, the container spreader electrical control simulation practical training device can simulate the general work flow of the container spreader, the practical training method is simple, the practical training system is easy to operate, and students can be effectively helped to grow.

Description

Container spreader electrical control simulation training device, training method and training system thereof

Technical Field

The invention relates to the technical field of electrical practical training devices, in particular to an electrical control simulation practical training device, a practical training method and a practical training system for a container spreader.

Background

In recent years, the number of new staff who join in wharf enterprises to engage in electrical maintenance posts of port container hoisting equipment is gradually increased, the hoisting equipment of port container hoisting equipment such as shore bridges and yard bridges is huge, the structure and the procedure of an electrical control system of a lifting appliance mechanism are complex, attention is more, and for new people, the difficulty of performing practical training on the hoisting equipment directly is higher, and potential safety hazards of operation exist. How to help a new person to quickly realize the role transition from a school to a workplace and from students to professional technicians and grow as soon as possible is a problem that wharf enterprises are thinking all the time.

Disclosure of Invention

The present invention aims to solve at least one of the above technical problems to a certain extent.

The invention provides a container spreader electrical control simulation training device, which comprises:

a power supply module;

the lifting appliance pump simulation module is connected with the power supply module; and

the electric control simulation module is connected with the power supply module and the lifting appliance pump simulation module; the electrical control simulation module comprises a master-slave communication unit, a lifting appliance pump starting and stopping simulation unit, a lifting appliance stretching simulation unit, a lifting appliance opening and closing simulation unit and a lifting appliance box landing simulation unit, wherein the lifting appliance pump starting and stopping simulation unit, the lifting appliance stretching simulation unit, the lifting appliance opening and closing simulation unit and the lifting appliance box landing simulation unit are connected to input/output points of the master-slave communication unit;

the hoist pump opens and stops the analog unit and includes:

the lifting appliance pump starting switch is connected to an input point of the master-slave communication unit and is used for electrifying the lifting appliance pump simulation module to simulate the starting of a lifting appliance mechanism;

the lifting appliance pump stop switch is connected to the input point of the master-slave communication unit and used for enabling the lifting appliance pump simulation module to lose power so as to simulate the stop of a lifting appliance mechanism; and

the lifting appliance pump operation indicator light is connected to an output point of the master-slave communication unit and used for feeding back whether the lifting appliance pump simulation module is in an operation state;

the flexible analog unit of hoist includes:

the operation size selection switch is connected to an input point of the master-slave communication unit, and is provided with a first operation size and a second operation size, and the first operation size is smaller than the second operation size;

the stretching action simulation piece is connected to an output point of the master-slave communication unit and used for simulating the stretching operation state of the lifting appliance mechanism when the operation size selection switch is switched from a first operation size to a second operation size;

the retraction action simulation piece is connected to an output point of the master-slave communication unit and used for simulating the retraction operation state of the lifting appliance mechanism when the operation size selection switch is switched from the second operation size to the first operation size;

the first operation size limiting part is connected to an input point of the master-slave communication unit and used for enabling the retraction action simulation piece to lose power so as to simulate the stop of the retraction action of the lifting appliance mechanism when the lifting appliance mechanism retracts to the first operation size;

the second operation size limiting part is connected to an input point of the master-slave communication unit and used for enabling the stretching action simulation piece to lose power so as to simulate the stopping of the stretching action of the lifting appliance mechanism when the lifting appliance mechanism stretches to a second operation size;

the first operation size indicator light is connected to an output point of the master-slave communication unit and used for feeding back whether the lifting appliance mechanism is in a first operation size state or not; and

the second operation size indicator light is connected to an output point of the master-slave communication unit and used for feeding back whether the lifting appliance mechanism is in a second operation size state or not;

the spreader unlocking and locking simulation unit comprises:

an open/close selection switch connected to an input point of the master-slave communication unit;

the unlocking action simulation piece is connected to an output point of the master-slave communication unit and used for simulating the unlocking operation state of the lifting appliance mechanism when the unlocking is selected by the open/close selection switch;

the locking action simulation piece is connected to an output point of the master-slave communication unit and used for simulating a locking operation state of the lifting appliance mechanism when the open/lock selection switch selects locking;

the unlocking limiting part is connected to an input point of the master-slave communication unit and used for enabling the unlocking action simulation piece to lose power so as to simulate the unlocking in-place operation state of the lifting appliance mechanism;

the locking limiting part is connected to an input point of the master-slave communication unit and used for enabling the locking action simulation part to lose power so as to simulate the locking in-place operation state of the lifting appliance mechanism;

the unlocking in-place indicator light is connected to an output point of the master-slave communication unit and used for feeding back whether the lifting appliance mechanism is unlocked in place; and

the locking in-place indicator light is connected to an output point of the master-slave communication unit and used for feeding back whether the lifting appliance mechanism is locked in place or not;

the lifting appliance boxing simulation unit comprises:

the box landing limiting part is connected to the input point of the master-slave communication unit and is used for simulating the box landing operation state of the lifting appliance mechanism; and

and the box-landing indicator light is connected to an output point of the master-slave communication unit and used for feeding back whether the lifting appliance mechanism is in a box-landing state.

Furthermore, the first operation size limiting part, the second operation size limiting part, the unlocking limiting part, the locking limiting part and/or the box locking limiting part adopt an inductive proximity switch.

Further, the container spreader electrical control simulation practical training device further comprises a limit induction simulator which is used for enabling the inductive proximity switch to act when the inductive proximity switch is close to the limit induction distance; the limit induction simulator comprises a metal induction part capable of forming induction with the inductive proximity switch.

Further, the sling pump simulation module comprises a first sling pump simulation piece and a second sling pump simulation piece; the first hanger pump simulation piece is set as a first contactor, and the second hanger pump simulation piece is set as a second contactor; the main contacts of the first contactor and the second contactor are connected with a power supply module, coils of the first contactor and the second contactor are respectively connected to corresponding output points of the master-slave communication unit, and auxiliary normally open contacts of the first contactor and the second contactor are respectively connected to corresponding input points of the master-slave communication unit.

Further, the sling pump simulation module further comprises a first thermal relay and a second thermal relay; the heating elements of the first thermal relay and the second thermal relay are connected with the power supply module; auxiliary normally closed contacts of the first thermal relay and the second thermal relay are respectively connected with coils of the first contactor and the second contactor and are respectively connected to corresponding output points of the master communication unit and the slave communication unit; and the auxiliary normally open contacts of the first thermal relay and the second thermal relay are respectively connected to corresponding input points of the master-slave communication unit and act on the first contactor and the second contactor respectively.

Further, the master-slave communication unit includes:

a master station controller;

the slave stations are provided with a plurality of slave stations, and each slave station is connected with the master station controller;

the communication power supply is connected with the master station controller, each slave station and the power supply module; and

and the direct-current power supply is connected with the master station controller, each slave station and the power supply module.

Furthermore, the container spreader electrical control simulation practical training device further comprises a spreader working data acquisition unit, wherein the spreader working data acquisition unit comprises a spreader pump operation timer and a box volume counter, and the spreader pump operation timer and the box volume counter are respectively connected with corresponding output points of the master-slave communication unit.

Based on the above, the invention also provides a container spreader electrical control simulation practical training method, which is based on any one of the container spreader electrical control simulation practical training devices; the practical training method comprises the following steps:

simulating the starting of a lifting appliance mechanism;

simulating the stop of a lifting appliance mechanism;

simulating the lifting appliance mechanism to put in a box;

simulating unlocking of a lifting appliance mechanism;

simulating locking of a lifting appliance mechanism;

the simulation lifting appliance mechanism extends from a first operation size to a second operation size; and

the simulation lifting appliance mechanism retracts from the second operation size to the first operation size;

the step of simulating the activation of the spreader mechanism comprises:

operating a sling pump starting switch, and inputting a sling pump starting signal to an input point of the master-slave communication unit;

after receiving a lifting appliance pump starting signal, the master-slave communication unit sends a lifting appliance pump starting instruction to a corresponding output point to enable the lifting appliance pump simulation module to be powered on and enable the lifting appliance pump operation indicator lamp to be powered on;

observing that the lifting appliance pump operation indicator lamp is lightened to indicate that the lifting appliance mechanism is started to operate;

the step of simulating the stop of the spreader mechanism comprises:

operating a sling pump stop switch, and inputting a sling pump stop signal to an input point of the master-slave communication unit;

after receiving a lifting appliance pump stopping signal, the master-slave communication unit sends a lifting appliance pump stopping instruction to a corresponding output point to enable the lifting appliance pump simulation module to be powered off, and enable the lifting appliance pump operation indicator lamp to be powered off;

observing that the spreader pump operation indicator light is off, indicating that the spreader mechanism has stopped;

the step of simulating the landing of the hanger mechanism comprises the following steps:

operating the box-touching limiting part and inputting box-touching signals to input points of the master-slave communication unit;

after receiving the box-entering signal, the master-slave communication unit sends a box-entering instruction to a corresponding output point to enable the box-entering indicating lamp to be powered;

observing that the box-landing indicator lamp is lightened to show that the lifting appliance mechanism is in a box-landing state;

the step of simulating the unlocking of the lifting appliance mechanism comprises:

observing and determining that the unlocking in-place indicator lamp is not lighted, namely that the lifting appliance mechanism is not in an unlocking state;

observing and determining that the first operation size indicator light or the second operation size indicator light is turned on, namely that the lifting appliance mechanism is in a first operation size state or a second operation size state; the lifting appliance mechanism is in a first operation size state or a second operation size state, which is a necessary condition for unlocking the lifting appliance mechanism;

observing and determining that the box-landing indicator lamp is lightened, namely the lifting appliance mechanism is in a box-landing state; the lifting appliance mechanism is in a box state, which is a necessary condition for unlocking the lifting appliance mechanism;

operating the open/close selection switch to select unlocking, and inputting a lifting appliance unlocking signal to an input point of the master-slave communication unit;

after receiving the lifting appliance unlocking signal, the master-slave communication unit sends a lifting appliance unlocking instruction to a corresponding output point to electrify the unlocking action simulation piece; an unlocking indicator light is arranged on the unlocking action simulation piece, and the unlocking indicator light is on to indicate that the lifting appliance is unlocking;

operating the unlocking limiting part and inputting an unlocking in-place signal to an input point of the master-slave communication unit;

after receiving the unlocking in-place signal, the master-slave communication unit sends a lifting appliance unlocking in-place instruction to a corresponding output point to enable the unlocking in-place indicator lamp to be powered on;

observing that the unlocking in-place indicator lamp is lightened to indicate that the lifting appliance mechanism is in an unlocking state;

the step of simulating the locking of the lifting appliance mechanism comprises the following steps:

observing and determining that the locking in-place indicator lamp is not lighted, namely the lifting appliance mechanism is not in a locking state;

observing and determining that the first operation size indicator light or the second operation size indicator light is turned on, namely the lifting appliance mechanism is in a first operation size state or a second operation size state; the spreader mechanism is in a first operating size state or a second operating size state which is a necessary condition for the spreader mechanism to be locked;

observing and determining that the box-landing indicator lamp is lightened, namely the lifting appliance mechanism is in a box-landing state; the lifting appliance mechanism is in a box state, which is a necessary condition for locking the lifting appliance mechanism;

operating the open/close selection switch to select close and inputting a hanger close signal to an input point of the master-slave communication unit;

after receiving a lifting appliance locking signal, the master-slave communication unit sends a lifting appliance locking instruction to a corresponding output point to enable the locking action simulation piece to be electrified; a locking indicator light is arranged on the locking action simulation piece, and the locking indicator light is turned on to indicate that the lifting appliance is being locked;

operating the locking limiting part and inputting a locking in-place signal to an input point of the master-slave communication unit;

after receiving the locking in-place signal, the master-slave communication unit sends a lifting appliance locking in-place instruction to a corresponding output point to enable the locking in-place indicator lamp to be powered;

observing that the locking in-place indicator lamp is lightened, and indicating that the hanger mechanism is in a locking state;

the step of simulating the spreader mechanism to extend from a first operating dimension to a second operating dimension comprises:

observing and determining that the unlocking in-place indicator lamp is lightened, namely that the lifting appliance mechanism is in an unlocking state; the condition that the lifting appliance mechanism is in an unlocking state is a necessary condition for the lifting appliance mechanism to be stretched;

observing and determining that the second operation size indicator light is not lighted, namely that the lifting appliance mechanism is not in a second operation size state; the state that the lifting appliance mechanism is not in the second operation size state is a necessary condition for the lifting appliance mechanism to be stretched;

observing and determining that the locking in-place indicator lamp is not lightened, namely the lifting appliance mechanism is not in a locking state; the condition that the lifting appliance mechanism is not in a locking state is the necessary condition that the lifting appliance mechanism is extended;

operating the operation size selection switch to select a second operation size, and inputting a signal stretching to the second operation size to an input point of the master-slave communication unit;

after receiving the signal of extending to the second operation size, the master-slave communication unit sends a spreader extending instruction to a corresponding output point to enable the extending action simulation piece to be electrified; an unfolding indicator light is arranged on the unfolding action simulation piece, and the unfolding indicator light is turned on to indicate that the lifting appliance is being unfolded;

operating the second operation size limiting part, and inputting a second operation size in-place signal to an input point of the master-slave communication unit;

after receiving a second operation size in-place signal, the master-slave communication unit sends a second operation size in-place instruction to a corresponding output point to enable the second operation size indicator lamp to be powered on;

observing that the second working dimension indicator light is on, indicating that the spreader mechanism is in a second working dimension state;

the step of simulating retraction of the spreader mechanism from the second operating dimension to the first operating dimension comprises:

observing and determining that the unlocking in-place indicator lamp is lightened, namely that the lifting appliance mechanism is in an unlocking state; the lifting appliance mechanism is in an unlocking state, which is a necessary condition for retracting the lifting appliance mechanism;

observing and determining that the first operation size indicator light is not lighted, namely that the lifting appliance mechanism is not in a first operation size state; the absence of the spreader mechanism in the first operating dimension state is a requirement for the spreader mechanism to retract;

observing and determining that the locking in-place indicator lamp is not lighted, namely the lifting appliance mechanism is not in a locking state; the condition that the lifting appliance mechanism is not in a locking state is the necessary condition that the lifting appliance mechanism is extended;

operating the operation size selection switch to select a first operation size, and inputting a signal of retracting to the first operation size to an input point of the master-slave communication unit;

after receiving the signal of extending to the first operation size, the master-slave communication unit sends a lifting appliance retracting instruction to a corresponding output point to enable the retracting action simulation piece to be powered on; a retraction indicator light is arranged on the retraction action simulation piece, and the illumination of the retraction indicator light indicates that the lifting appliance is retracting;

operating the first operation size limiting part, inputting a first job size in-place signal to an input point of the master-slave communication unit;

after receiving a first operation size in-place signal, the master-slave communication unit sends a first operation size in-place instruction to a corresponding output point to enable the first operation size indicator lamp to be powered on;

the first work size indicator light is observed to be illuminated indicating that the spreader mechanism is in the first work size state.

Based on this, this application still provides a real standard system of real device of real of container spreader electrical control simulation simultaneously, based on as above any one the real device of real of container spreader electrical control simulation, real standard system includes:

the practical training operation formulating module is used for formulating a simulative practical training operation submodule of the lifting appliance mechanism, and the simulative practical training operation submodule of the lifting appliance mechanism comprises a simulative lifting appliance mechanism operation submodule, a simulative lifting appliance mechanism submodule which extends from a first operation size to a second operation size, a simulative lifting appliance mechanism which retracts from the second operation size to the first operation size submodule, a simulative lifting appliance mechanism unlocking submodule and a simulative lifting appliance mechanism locking submodule;

the practical training operation parameter setting module is used for setting operation parameters of each practical training operation sub-module;

the signal acquisition module is used for acquiring input and output signals of the current system; and

and the practical training operation judgment module is used for judging whether the input and output signals acquired by the signal acquisition module meet the operation parameters of a certain practical training operation submodule.

Further, the operation parameters of the simulation container spreader mechanism operation submodule include: the starting switch of the sling pump is actuated, and the stopping switch of the sling pump is not actuated;

the operation parameters of the submodule for simulating the lifting appliance mechanism to extend from the first operation size to the second operation size comprise: the operation size selection switch selects a second operation size, the box alignment limiting part is not sensed, the lifting appliance pump simulation module operates, the lifting appliance mechanism is in an unlocking state, the second operation size limiting part is not sensed, and the operation size selection switch does not select the first operation size;

the operation parameters of the submodule for simulating the retraction of the lifting appliance mechanism from the second operation size to the first operation size comprise: the operation size selection switch selects a first operation size, the box alignment limiting part is not sensed, the lifting appliance pump simulation module operates, the lifting appliance mechanism is in an unlocking state, the first operation size limiting part is not sensed, and the operation size selection switch does not select a second operation size;

the operation parameters of the simulation lifting appliance mechanism unlocking submodule comprise: the unlocking/locking selection switch selects unlocking, the lifting appliance is in a first operation size state or a second operation size state, the lifting appliance is in a box state, the lifting appliance pump simulation module is operated, the unlocking/locking selection switch does not select locking, and the unlocking limiting part is not sensed;

the operation parameters of the simulation lifting appliance mechanism locking submodule comprise: the on/off selection switch selects locking, the lifting appliance is in a first operation size state or a second operation size state, the lifting appliance is in a box state, the lifting appliance pump simulation module is operated, the on/off selection switch does not select unlocking, and the locking limiting part is not sensed.

The invention has the beneficial effects that: by arranging the lifting appliance pump simulation module and the electrical control simulation module which are connected with the power supply module, the operation of a lifting appliance mechanism is simulated by adopting an electronic device, and compared with a formal lifting appliance mechanism, the lifting appliance mechanism has the advantages of simple structure, convenience in use and high safety; by arranging the lifting appliance pump starting and stopping simulation unit, the lifting appliance stretching simulation unit, the lifting appliance opening and closing simulation unit and the lifting appliance boxing simulation unit, the operation electrical control working condition of a lifting appliance working mechanism of the special loading and unloading equipment for the container can be simulated, the requirement of simulated practical training teaching is met, the operation is reliable, the practicability is strong, and the use and the maintenance of the practical training teaching are facilitated; meanwhile, the development cost is low, the practical training cost is saved, and the practical training effect is improved.

Drawings

Fig. 1 is an electrical schematic diagram of the container spreader electrical control simulation training device of the invention.

Fig. 2 is an electrical control circuit diagram of the first slave station of the present invention.

Fig. 3 is a circuit diagram of a second slave station of the present invention.

Fig. 4 is a circuit diagram of a third slave station of the present invention.

Fig. 5 is a circuit diagram of a fourth slave station of the present invention.

Fig. 6 is a circuit diagram of a fifth slave station according to the present invention.

Fig. 7 is a schematic diagram of a frame structure of the practical training device of the invention.

Fig. 8 is a schematic three-dimensional structure diagram of the limit sensing simulator and the limit piece in accordance with the present invention.

Fig. 9 is a schematic perspective view of a position-limiting sensing simulator according to the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present invention and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present invention, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation that the first and second features are not in direct contact, but are in contact via another feature between them; also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature; the first feature being "under," "below," and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or merely indicates that the first feature is at a lower level than the second feature.

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings.

Referring to fig. 1 to 9, the invention provides a container spreader electrical control simulation training device (hereinafter referred to as a training device), which includes a power supply module 310, a spreader pump simulation module 320 and an electrical control simulation module.

As shown in fig. 1, the power supply module 310 includes a main power switch QF1 and a sub-switch QF3. The practical training device is connected with a mains supply socket through an alternating-current power supply plug, and therefore mains supply is connected with a main power supply switch QF1 and a branch switch QF3. Two electric switches of a main power switch QF1 and a branch switch QF3 are arranged in a matched mode, so that the power supply safety for teaching of the practical training device is effectively ensured, and the electric shock risk is eliminated.

The electrical control simulation module comprises a master-slave communication unit 331, a lifting appliance pump starting and stopping simulation unit 332, a lifting appliance stretching simulation unit 333, a lifting appliance opening and closing simulation unit 334 and a lifting appliance boxing simulation unit 335. The master-slave communication unit 331 has a plurality of input/output points, and the hoist pump start-stop simulation unit 332, the hoist extension simulation unit 333, the hoist open-close simulation unit 334, and the hoist lowering simulation unit 335 are connected to the input/output points of the master-slave communication unit 331.

The spreader pump start/stop simulation unit 332 includes a spreader pump start switch, a spreader pump stop switch, and a spreader pump operation indicator.

The spreader pump activation switch is connected to the input of the master slave communication unit 331 for energizing the spreader pump simulation module 320 to simulate activation of the spreader mechanism. The spreader pump stop switch is connected to the input point of the master-slave communication unit 331 for de-energizing the spreader pump simulation module 320 to simulate the stop of the spreader mechanism. The spreader pump operation indicator light is connected to an output point of the master-slave communication unit 331, and is used for feeding back whether the spreader pump simulation module 320 is in an operating state.

The spreader telescopic simulation unit 333 includes an operation size selection switch, an extending motion simulation member, a retracting motion simulation member, a first operation size limiting member, a second operation size limiting member, a first operation size indicator light, and a second operation size indicator light.

The job size selection switch is connected to an input point of the master-slave communication unit 331, and the job size selection switch is at least provided with a first job size and a second job size, and the first job size is smaller than the second job size. The stretching motion simulation element is connected to an output point of the master-slave communication unit 331, and is used for simulating a stretching operation state of the spreader mechanism when the operation size selection switch is switched from the first operation size to the second operation size. The retraction motion simulator is connected to an output point of the master-slave communication unit 331 for simulating a retraction operation state of the spreader mechanism when the operation size selection switch is switched from the second operation size to the first operation size. The first operation size limiting member is connected to an input point of the master-slave communication unit 331, and is configured to de-energize the retracting motion simulator to simulate stopping of the retracting motion of the spreader mechanism when the spreader mechanism retracts to the first operation size. The second operation size limiting part is connected to an input point of the master-slave communication unit 331, and is configured to disable the stretching motion simulation part to simulate stopping of the stretching motion of the spreader mechanism when the spreader mechanism is stretched to the second operation size. The first working dimension indicator light is connected to an output point of the master-slave communication unit 331 for feeding back whether the spreader mechanism is in the first working dimension state. The second working dimension indicator light is connected to an output point of the master-slave communication unit 331 for feeding back whether the spreader mechanism is in the second working dimension state.

In a preferred embodiment, the first working size and the second working size are set to a common standard container size, wherein the first working size is 20 feet, and the second working size is 40 feet. The operation size selection switch adopts a two-position knob switch, and two gears correspond to two options of 20 feet and 40 feet respectively. Of course, in other embodiments, one of the first working dimension and the second working dimension may be set to 45 feet, or other standard dimensions of containers.

The spreader unlocking/locking simulation unit 334 includes an unlocking/locking selection switch, an unlocking motion simulation piece, a locking motion simulation piece, an unlocking limit piece, a locking limit piece, an unlocking in-place indicator light, and a locking in-place indicator light.

The open/close selection switch is connected to an input point of the master-slave communication unit 331 for selecting unlocking or locking. The unlocking motion simulator is connected to an output point of the master-slave communication unit 331, and is configured to simulate an unlocking operation state of the spreader mechanism when the open/close selection switch selects unlocking. The locking motion simulator is connected to an output point of the master-slave communication unit 331 for simulating a locking operation state of the spreader mechanism when the open/lock selection switch selects locking. The unlocking limiting piece is connected to an input point of the master-slave communication unit 331 and used for enabling the unlocking motion simulation piece to lose power so as to simulate the in-place unlocking operation state of the lifting appliance mechanism. The locking limiting part is connected to an input point of the master-slave communication unit 331, and is used for enabling the locking action simulation part to lose power so as to simulate a locking in-place operation state of the lifting appliance mechanism. The unlocking in-place indicator light is connected to an output point of the master-slave communication unit 331 and used for feeding back whether the spreader mechanism is in an unlocking state. The lock-in-place indicator light is connected to an output point of the master-slave communication unit 331 for feeding back whether the spreader mechanism is in a locked state.

In this embodiment, the on/off selection switch preferably adopts a two-position knob switch, and the two gears correspond to the two options of unlocking and locking respectively.

The spreader landing simulation unit 335 includes a landing stop and a landing indicator.

The landing limiting member is connected to an input point of the master-slave communication unit 331, and is used for simulating a landing operation state of the spreader mechanism. The box-landing indicator light is connected to an output point of the master-slave communication unit 331 for feeding back whether the spreader mechanism is in a box-landing state.

In this embodiment, the first operation size limiting part, the second operation size limiting part, the unlocking limiting part, the locking limiting part and/or the box locking limiting part adopt an inductive proximity switch 10. The practical training device further comprises a limit induction simulator 20, and the limit induction simulator 20 is used for enabling the inductive proximity switch 10 to generate induction action when the inductive proximity switch 10 is close to the limited induction distance.

Referring to fig. 8 and 9, in the present invention, the limit sensing simulator 20 is disposed in a handheld manner, and includes a metal sensing portion 21 and a handheld portion 22. The metal sensing part 21 is fixed on the handheld part 22. The metal sensing part 21 can sense the inductive proximity switch 10 when approaching the sensing end 11 and reaching a limited sensing distance. The hand-held portion 22 is used for a user to hold the limit sensing simulator 20 to operate the limit sensing simulator 20 to approach the sensing end 11 of the inductive proximity switch 10.

The inductive end 11 of at least one of the inductive proximity switches 10 is cylindrical and provided with an external thread. The limit sensing simulator 20 further includes a fixing portion 23. The fixing part 23 is provided with an internal thread which is matched with the external thread of the induction end 11 to match the screw connection.

As a preferred embodiment, the main body of the position-limiting sensing simulator 20 is configured to be a hollow cylindrical structure, and the metal sensing part 21 is in a long strip shape and is fixed at one end of the hollow cavity 200 of the hollow cylindrical structure; the inner wall of the hollow cavity 200 is provided with internal threads to form the fixing part 23; the outer wall of the hollow chamber 200 constitutes the hand-held portion 22.

The outer surface of the handle 22 is also provided with a non-slip texture for easy gripping and screwing.

The limited sensing distance between the metal sensing part 21 and the sensing end 11 is 10mm. That is, the limit sensing simulator 20 is held by hand to approach the sensing end 11 of the inductive proximity switch 10, and when the distance between the metal sensing part 21 and the sensing end 11 is less than or equal to 10mm, the inductive proximity switch 10 generates a sensing action.

The inductive proximity switch 10 is used as a limiting part, and the handheld limiting induction simulator 20 with the metal induction part 21 is arranged in a matching manner, so that the limiting induction structure is simple and easy to operate; the fixed part 23 of the limit induction simulator 20 is provided with the internal thread matched with the external thread of the inductive proximity switch 10, so that the limit induction simulator 20 can be screwed on the inductive proximity switch 10, the limit induction simulator 20 can be conveniently stored, and the limit induction simulator 20 is effectively prevented from being lost.

In a preferred embodiment, the material of the metal sensing part is steel. The inner diameter of the hollow cavity 200 of the limiting induction simulator 20 is larger than or equal to the outer diameter of the induction end of each limiting part, so that when simulation practical training teaching is carried out, the limiting parts can be directly held and buckled on the limiting parts required during practical training teaching, and the limiting parts can also be directly taken down by hands. Through the mode of hand-held type response, relevant manual operation work that involves in the operation of effective simulation container spreader mechanism.

In the embodiment of the present invention, the master-slave communication unit 331 includes a master station controller, a plurality of slave stations, a communication power supply, and a dc power supply. And each slave station is respectively connected with a master station controller. The communication power supply and the dc power supply are respectively connected to the master station controller, each slave station and the power supply module 310.

As shown in fig. 1, in the embodiment of the present invention, there are 5 slave stations, which are a first slave station S1, a second slave station S2, a third slave station S3, a fourth slave station S4, and a fifth slave station S5. Each slave station is provided with four input ports and four output ports.

In a preferred embodiment, the master-slave communication unit 331 employs an AS-i bus system, the main station controller is an AS-i main station controller, the communication power supply is an AS-i communication power supply, and the direct current power supply is a 24V direct current power supply.

The hoist pump simulation module 320 is connected to the power module 310. The hoist pump simulation module 320 includes a first hoist pump simulator and a second hoist pump simulator. The first spreader pump simulator and the second spreader pump simulator simulate two spreader pumps of a container spreader mechanism respectively. In this embodiment, the first hoist pump simulation piece and the second hoist pump simulation piece both adopt contactors, that is, the first hoist pump simulation piece is set as the first contactor KM1, and the second hoist pump simulation piece is set as the second contactor KM2. The main contacts of the first contactor KM1 and the second contactor KM2 are connected to the power supply module 310, the coils of the first contactor KM1 and the second contactor KM2 are respectively connected to corresponding output points of the master-slave communication unit 331, and the auxiliary normally open contacts of the first contactor KM1 and the second contactor KM2 are respectively connected to corresponding input points of the master-slave communication unit 331.

The sling pump simulation module 320 further comprises a first thermal relay FR1 and a second thermal relay FR2; the heating elements of the first thermal relay FR1 and the second thermal relay FR2 are connected to the power supply module 310; auxiliary normally closed contacts of the first thermal relay FR1 and the second thermal relay FR2 are respectively connected to coils of the first contactor KM1 and the second contactor KM2, and are respectively connected to corresponding output points of the master-slave communication unit 331; the auxiliary normally open contacts of the first thermal relay FR1 and the second thermal relay FR2 are respectively connected to corresponding input points of the master-slave communication unit 331, and respectively act on the first contactor KM1 and the second contactor KM2.

The electric control simulation module further comprises a lifting appliance emergency stop simulation unit, and the lifting appliance emergency stop simulation unit comprises a first emergency stop intermediate relay KA3, a second emergency stop intermediate relay KA4 and an emergency stop button. The first emergency stop intermediate relay KA3 and the second emergency stop intermediate relay KA4 are respectively connected to corresponding input points of the master-slave communication unit 331 and respectively act on the first contactor KM1 and the second contactor KM2, and the emergency stop button is connected with the first emergency stop intermediate relay KA3 and the second emergency stop intermediate relay KA4. When the emergency stop button is pressed down, the first emergency stop intermediate relay KA3 and the second emergency stop intermediate relay KA4 are released, and after the master-slave communication unit 331 collects the signal, the output state of the corresponding module is changed, so that the existing lifting appliance of the practical training device can be emergently stopped.

The electrical control simulation module further comprises a hanger working data acquisition unit, the hanger working data acquisition unit comprises a hanger pump operation timer and a box volume counter, and the hanger pump operation timer and the box volume counter are respectively connected with the output points of the master-slave communication unit 331. In the embodiment of the present invention, the timing is started when the sling pump simulation module 320 is started, and the timing is suspended when the sling pump simulation module 320 is stopped; and the lifting appliance is opened and closed to record the box amount once.

Referring to fig. 2 to 6, coils of the first contactor KM1 and the second contactor KM2 are respectively connected to a first output point and a second output point of the first slave station S1, and auxiliary normally open contacts of the first contactor KM1 and the second contactor KM2 are respectively connected to a third input point and a fourth input point of the first slave station S1. Auxiliary normally closed contacts of the first thermal relay FR1 and the second thermal relay FR2 are respectively connected to a first output point and a second output point of the first slave station S1; the auxiliary normally open contacts of the first thermal relay FR1 and the second thermal relay FR2 are respectively connected to the first input point and the second input point of the first slave station S1. The first emergency stop intermediate relay KA3 and the second emergency stop intermediate relay KA4 are respectively connected to a first input point and a second input point of the second slave station S2. And the operation timer of the lifting appliance pump is connected to a first output point of the second slave station S2. The bin volume counter is coupled to a second output point of the second slave station S2. A first job size, i.e. 20-foot option, of the job size selection switch is accessed to a first input point of the third slave station S3, and a second job size, i.e. 40-foot option, of the job size selection switch is accessed to a second input point of the third slave station S3. The unlocking option of the open/close selection switch is connected to the third input point of the third slave station S3, and the closing option of the open/close selection switch is connected to the fourth input point of the third slave station S3. The retraction motion simulation piece is a retraction valve, the retraction valve is connected to a first output point of the third slave station S3, the extension motion simulation piece is an extension valve, and the extension valve is connected to a second output point of the third slave station S3. The unlocking action simulation piece is an unlocking valve, the unlocking valve is connected to a third output point of the third slave station S3, the locking action simulation piece is a locking valve, and the locking valve is connected to a fourth output point of the third slave station S3. The first operation size limiting part is a 20-foot limiting part, and the 20-foot limiting part is connected to a first input point of the fourth slave station S4. The second operation size limiting part is a 40-size limiting part, and the 40-size limiting part is connected to a second input point of the fourth slave station S4. The unlocking limiting part is connected to a third input point of the fourth slave station S4, and the locking limiting part is connected to a fourth input point of the fourth slave station S4. The first operation size indicator lamp is a 20-foot indicator lamp, and the 20-foot indicator lamp is connected to a first output point of the fourth slave station S4. The second operation size indicator light is a 40-ruler indicator light, and the 40-ruler indicator light is connected to a second output point of the fourth slave station S4. And the unlocking in-place indicator lamp is connected to a third output point of the fourth slave station S4. And the locking in-place indicator lamp is connected to a fourth output point of the fourth slave station S4. The sling pump activation switch is connected to a first input point of the fifth slave station S5. The sling pump stop switch is connected to a third input point of a fifth slave station S5. The box landing limiting part is connected to a second input point of the fifth slave station S5. And the hanger pump operation indicating lamp is connected to a first output point of the fifth slave station S5. The box-entering indicating lamp is connected to a second output point of the fifth slave station S5. In the embodiment of the invention, the contracting valve, the extending valve, the unlocking valve and the locking valve can be replaced by relays.

The invention also provides a container spreader electrical control simulation training method based on the container spreader electrical control simulation training device. The practical training method comprises the following steps:

simulating the starting of a lifting appliance mechanism;

simulating the stop of a lifting appliance mechanism;

simulating the lifting appliance mechanism to put in a box;

simulating unlocking of a lifting appliance mechanism;

simulating locking of a lifting appliance mechanism;

the simulation lifting appliance mechanism extends from a first operation size to a second operation size; and

the simulated spreader mechanism is retracted from the second operating dimension to the first operating dimension.

The specific steps of simulating the starting of the sling mechanism comprise:

operating a hoist pump start switch to input a hoist pump start signal to an input point of the master-slave communication unit 331;

after receiving the sling pump starting signal, the master-slave communication unit 331 sends a sling pump starting instruction to a corresponding output point to electrify the sling pump simulation module 320 and electrify the sling pump operation indicator lamp;

and observing that the lifting appliance pump operation indicator lamp is lightened, and indicating that the lifting appliance mechanism is started to operate.

The specific steps of simulating the stop of the lifting appliance mechanism comprise:

operating a hoist pump stop switch, and inputting a hoist pump stop signal to an input point of the master-slave communication unit 331;

after receiving the sling pump stopping signal, the master-slave communication unit 331 sends a sling pump stopping instruction to a corresponding output point to power off the sling pump simulation module 320 and power off the operation indicator lamp of the sling pump;

the spreader pump operation indicator was observed to be off, indicating that the spreader mechanism has stopped.

The specific steps of simulating the falling of the hanger mechanism comprise:

operating the box landing limit piece, and inputting a box landing signal to an input point of the master-slave communication unit 331;

after receiving the box-entering signal, the master-slave communication unit 331 sends a box-entering instruction to a corresponding output point to enable the box-entering indicator light to be powered;

and observing that the box indicator light is lightened to indicate that the lifting appliance mechanism is in a box state.

The step of simulating the unlocking of the lifting appliance mechanism comprises:

observing and determining that the unlocking in-place indicator lamp is not lightened, namely the lifting appliance mechanism is not in an unlocking state;

observing and determining that the first operation size indicator light or the second operation size indicator light is turned on, namely that the lifting appliance mechanism is in a first operation size state or a second operation size state; the lifting appliance mechanism is in a first operation size state or a second operation size state, which is a necessary condition for unlocking the lifting appliance mechanism;

observing and determining that the box-landing indicator lamp is lightened, namely the lifting appliance mechanism is in a box-landing state; the lifting appliance mechanism is in a box state, which is a necessary condition for unlocking the lifting appliance mechanism;

operating the open/close selection switch to select unlocking, and inputting a spreader unlocking signal to an input point of the master-slave communication unit 331;

after receiving the lifting appliance unlocking signal, the master-slave communication unit 331 sends a lifting appliance unlocking instruction to a corresponding output point to enable the unlocking action simulation piece to be electrified; an unlocking indicator light is arranged on the unlocking action simulation piece, and the unlocking indicator light is on to indicate that the lifting appliance is unlocking;

operating the unlocking limiting part and inputting an unlocking in-place signal to an input point of the master-slave communication unit 331;

after receiving the unlocking in-place signal, the master-slave communication unit 331 sends a lifting appliance unlocking in-place instruction to a corresponding output point to electrify the unlocking in-place indicator lamp;

and observing that the unlocking in-place indicator lamp is lightened to indicate that the hanger mechanism is in an unlocking state.

The step of simulating the locking of the lifting appliance mechanism comprises the following steps:

observing and determining that the locking in-place indicator lamp is not lighted, namely the lifting appliance mechanism is not in a locking state;

observing and determining that the first operation size indicator light or the second operation size indicator light is turned on, namely that the lifting appliance mechanism is in a first operation size state or a second operation size state; the spreader mechanism is in a first operating size state or a second operating size state which is a necessary condition for the spreader mechanism to be locked;

observing and determining that the box-landing indicator lamp is lightened, namely the lifting appliance mechanism is in a box-landing state; the lifting appliance mechanism is in a box state, which is a necessary condition for locking the lifting appliance mechanism;

operating the open/close selection switch to select close, and inputting a spreader close signal to an input point of the master-slave communication unit 331;

after receiving the sling locking signal, the master-slave communication unit 331 sends a sling locking instruction to a corresponding output point to enable the locking action simulation piece to be powered on; a locking indicator light is arranged on the locking action simulation piece, and the locking indicator light is turned on to indicate that the lifting appliance is being locked;

operating the locking limit part, and inputting a locking in-place signal to an input point of the master-slave communication unit 331;

after receiving the locking in-place signal, the master-slave communication unit 331 sends a lifting appliance locking in-place instruction to a corresponding output point to enable the locking in-place indicator lamp to be powered;

the lock-in-place indicator light is observed to light indicating that the spreader mechanism is in a locked state.

The step of simulating the spreader mechanism to extend from a first operating dimension to a second operating dimension comprises:

observing and determining that the unlocking in-place indicator lamp is lightened, namely that the lifting appliance mechanism is in an unlocking state; the condition that the lifting appliance mechanism is in an unlocking state is a necessary condition for the lifting appliance mechanism to be stretched;

observing and determining that the second operation size indicator light is not lighted, namely that the lifting appliance mechanism is not in a second operation size state; the state that the lifting appliance mechanism is not in the second operation size state is a necessary condition for the lifting appliance mechanism to be stretched;

observing and determining that the locking in-place indicator lamp is not lighted, namely the lifting appliance mechanism is not in a locking state; the condition that the lifting appliance mechanism is not in a locking state is the necessary condition that the lifting appliance mechanism is extended;

operating the operation size selection switch to select a second operation size, and inputting a signal stretching to the second operation size to the input point of the master-slave communication unit 331;

after receiving the signal of the second operation size, the master-slave communication unit 331 sends a spreader stretching instruction to a corresponding output point to electrify the stretching motion simulation piece; an unfolding indicator light is arranged on the unfolding action simulation piece, and the unfolding indicator light is turned on to indicate that the lifting appliance is being unfolded;

operating the second operation size limiting part, and inputting a second operation size in-place signal to an input point of the master-slave communication unit 331;

after receiving the second operation size in-place signal, the master-slave communication unit 331 sends a second operation size in-place instruction to a corresponding output point to enable the second operation size indicator lamp to be powered on;

the second work size indicator light is observed to light indicating that the spreader mechanism is in the second work size state.

The step of simulating retraction of the spreader mechanism from the second operating dimension to the first operating dimension comprises:

observing and determining that the unlocking in-place indicator lamp is lightened, namely that the lifting appliance mechanism is in an unlocking state; the lifting appliance mechanism is in an unlocking state, which is a necessary condition for retracting the lifting appliance mechanism;

observing and determining that the first operation size indicator light is not lighted, namely that the lifting appliance mechanism is not in a first operation size state; the absence of the spreader mechanism in the first operating dimension state is a requirement for the spreader mechanism to retract;

observing and determining that the locking in-place indicator lamp is not lighted, namely the lifting appliance mechanism is not in a locking state; the lifting appliance mechanism is not in a locking state, which is a necessary condition for the lifting appliance mechanism to retract;

operating the job size selection switch to select a first job size, and inputting a retract-to-first-job-size signal to an input point of the master-slave communication unit 331;

after receiving the signal of the first operation size, the master-slave communication unit 331 sends a spreader retracting instruction to a corresponding output point to electrify the retracting motion simulation piece; a retraction indicator light is arranged on the retraction action simulation piece, and the illumination of the retraction indicator light indicates that the lifting appliance is retracting;

operating the first operation size limiting part, and inputting a first operation size in-place signal to an input point of the master-slave communication unit 331;

after receiving the first operation size in-place signal, the master-slave communication unit 331 sends a first operation size in-place instruction to a corresponding output point to enable the first operation size indicator lamp to be powered on;

the first work size indicator light is observed to be illuminated indicating that the spreader mechanism is in the first work size state.

Based on the practical training system for the container spreader electrical control simulation training device, the practical training method for the container spreader electrical control simulation training device provided by the invention can be realized. The practical training system comprises a practical training work formulating module, a practical training work parameter setting module, a signal acquisition module and a practical training work judging module.

The practical training operation formulating module is used for formulating a simulative practical training operation submodule of a lifting appliance mechanism, and the simulative practical training operation submodule of the lifting appliance mechanism mainly comprises a simulative container lifting appliance mechanism operation submodule, a simulative lifting appliance mechanism submodule which is extended from a first operation size to a second operation size, a simulative lifting appliance mechanism which is retracted from the second operation size to the first operation size submodule, a simulative lifting appliance mechanism unlocking submodule and a simulative lifting appliance mechanism locking submodule.

The practical training operation parameter setting module is used for setting operation parameters of the practical training operation submodules.

The signal acquisition module is used for acquiring input and output signals of the current system.

The practical training operation judgment module is used for judging whether the input and output signals collected by the signal collection module meet the operation parameters of a certain practical training operation submodule.

In the embodiment of the invention, the operation parameters of the simulation container spreader mechanism operation submodule comprise: the start switch of the sling pump is actuated, and the stop switch of the sling pump is not actuated.

The operation parameters of the submodule for simulating the lifting appliance mechanism to extend from the first operation size to the second operation size comprise: the operation size selection switch has selected the second operation size, the landing limit is not sensed, the spreader pump simulation module 320 has been operated, the spreader mechanism is in the unlocked state, the second operation size limit is not sensed, and the operation size selection switch has not selected the first operation size.

The operation parameters of the submodule for simulating the retraction of the lifting appliance mechanism from the second operation size to the first operation size comprise: the operation size selection switch has selected the first operation size, the landing stop is not sensed, the spreader pump simulation module 320 has been operated, the spreader mechanism is in the unlocked state, the first operation size stop is not sensed, and the operation size selection switch has not selected the second operation size.

The operation parameters of the unlocking submodule of the simulation lifting appliance mechanism comprise: the on/off selection switch selects to unlock, the spreader is in the first operating dimension state or the second operating dimension state, the spreader is in the container state, the spreader pump simulation module 320 is running, the on/off selection switch does not select to lock, and the unlock limit is not sensed.

The operation parameters of the simulation lifting appliance mechanism locking submodule comprise: the on/off selection switch selects off, the spreader is in the first operating size state or the second operating size state, the spreader is in the container state, the spreader pump simulation module 320 is running, the on/off selection switch does not select off, and the lock limit is not sensed.

Specifically, in the preferred embodiment of the present invention, the simulatable practical training operation submodule of the spreader mechanism includes a simulation first spreader pump operation submodule, a simulation second spreader pump operation submodule, a simulation spreader mechanism retraction 20-ruler module, a simulation spreader mechanism extension 40-ruler module, a simulation spreader mechanism unlocking submodule, a simulation spreader mechanism locking submodule, a simulation spreader mechanism illumination box indicator submodule, a simulation spreader mechanism illumination 20-ruler indicator submodule, a simulation spreader mechanism illumination 40-ruler indicator submodule, a simulation spreader mechanism illumination unlocking in-place indicator submodule, a simulation spreader mechanism illumination locking in-place indicator submodule, a simulation spreader mechanism illumination spreader pump operation indicator submodule, a simulation container spreader mechanism operation timing submodule, and a simulation spreader mechanism box counting submodule.

The operation parameters of the simulation first lifting appliance pump operation submodule comprise; the hoist pump start switch is actuated, the first thermal relay FR1 is not actuated, the second thermal relay FR2 is not actuated, the first immediate stop intermediate relay KA3 is not actuated, the second immediate stop intermediate relay KA4 is not actuated, and the hoist pump stop switch is not actuated.

The operation parameters of the simulation second sling pump operation submodule comprise: the first spreader pump is started and the time delay is 3 seconds after the first spreader pump is started.

The operation parameters of the simulation lifting appliance mechanism retracted to the 20-ruler module comprise: the operation size selection switch selects 20 feet, the box-on limiting part is not sensed, the first lifting appliance pump is operated, the second lifting appliance pump is operated, the lifting appliance mechanism is in an unlocking state, the 20 feet limiting part is not sensed, and the operation size selection switch does not select 40 feet.

The operation parameters of the simulation lifting appliance mechanism extending to the 40-ruler module comprise: the operation size selection switch selects 40 feet, the box locating part is not sensed, the first lifting appliance pump is operated, the second lifting appliance pump is operated, the lifting appliance mechanism is in an unlocking state, the 40 feet locating part is not sensed, and the operation size selection switch does not select 20 feet.

The operation parameters of the unlocking submodule of the simulation lifting appliance mechanism comprise: the on/off selection switch selects to unlock, 1 second pulse signal, circuit self-locking, the spreader is in 20 feet state or 40 feet state, the spreader is in a box state, the first spreader pump is operated, the second spreader pump is operated, the on/off selection switch does not select to lock, and the unlocking limit is not sensed.

The operation parameters of the simulation lifting appliance mechanism locking submodule comprise: the on/off selection switch selects the off state, the pulse signal of 1 second, the circuit is self-locked, the lifting appliance is in the 20-foot state or the 40-foot state, the lifting appliance is in the box state, the first lifting appliance pump is operated, the second lifting appliance pump is operated, the on/off selection switch does not select the off state, and the off limit part is not sensed.

The operation parameters of the simulation lifting appliance mechanism for lighting the box indicator lamp sub-module comprise: a bin limit is sensed.

The operation parameters of the simulation lifting appliance mechanism for lighting the 20-ruler indicator light sub-module comprise: sense 20 limits, not sense 40 limits.

The operation parameters of the 40-ruler indicator light submodule lightened by the simulation lifting appliance mechanism comprise: sensing 40 limits and not sensing 20 limits.

The operation parameters of the simulation lifting appliance mechanism for lighting the unlocking in-place indicator lamp sub-module comprise: sensing the unlocking limiting part and not sensing the locking limiting part.

The operation parameters of the simulation lifting appliance mechanism for lighting the locking in-place indicator lamp sub-module comprise: sensing the locking limiting part and not sensing the unlocking limiting part.

The operation parameters of the simulation lifting appliance mechanism for lighting the lifting appliance pump operation indicator lamp sub-module comprise: the first spreader pump has been operated and the second spreader pump has been operated.

The operation parameters of the operation timing submodule of the simulated container spreader mechanism comprise: the first spreader pump has been operated and the second spreader pump has been operated.

The operation parameters of the box counting submodule of the simulation lifting appliance mechanism comprise: sensing the locking limit part.

The invention relates to a practical training device for electrical control simulation of a container spreader, which is independently developed by taking the operating condition of the electrical control of the operating mechanism of a field bridge spreader of special handling equipment for containers as an object around professional practice, skill practice training and capability identification as a core.

The container spreader electrical control simulation training device provided by the invention is provided with the spreader pump simulation module and the electrical control simulation module which are connected with the power supply module, and an electronic device is adopted to simulate the operation of a spreader mechanism, so that compared with a formal spreader mechanism, the container spreader electrical control simulation training device is simple in structure, convenient to use and high in safety; by arranging the lifting appliance pump starting and stopping simulation unit, the lifting appliance stretching simulation unit, the lifting appliance opening and closing simulation unit and the lifting appliance boxing simulation unit, the operation electrical control working condition of a lifting appliance working mechanism of the special loading and unloading equipment for the container can be simulated, the requirement of simulated practical training teaching is met, the operation is reliable, the practicability is strong, the use and the maintenance of the practical training teaching are convenient, and the skill identification is supported; meanwhile, the development cost is low, the practical training cost is saved, and the practical training effect is improved.

The invention discloses an electrical control simulation practical training device, a practical training method and a practical training system for a container spreader, which are suitable for technical skill training of port hoisting equipment maintenance technicians and post training soldiers. The system is formed by combining theory and practice investigation to help new staff to learn and master the operation electrical control of the lifting appliance mechanism. The circuit between the main station controller and each functional module is utilized, and the programming, the transmission and the monitoring of programs are utilized to simulate common faults and fault handling methods of the lifting appliance, so that the training and teaching quality is improved, the growth of new staff is helped, and professional practical basic teaching facilities are created for forging a team with hard skills and strengthening for shore bridges and field bridges.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is a more detailed description of the present invention with reference to specific embodiments thereof, and it is not intended to limit the invention to the specific embodiments thereof. It will be apparent to those skilled in the art that a number of simple derivations or substitutions can be made without departing from the inventive concept.

Claims (10)

1. The utility model provides a real device of instructing of container spreader electrical control simulation which characterized in that includes:

a power supply module;

the lifting appliance pump simulation module is connected with the power supply module; and

the electric control simulation module is connected with the power supply module and the lifting appliance pump simulation module; the electrical control simulation module comprises a master-slave communication unit, a lifting appliance pump starting and stopping simulation unit, a lifting appliance stretching simulation unit, a lifting appliance opening and closing simulation unit and a lifting appliance box landing simulation unit, wherein the lifting appliance pump starting and stopping simulation unit, the lifting appliance stretching simulation unit, the lifting appliance opening and closing simulation unit and the lifting appliance box landing simulation unit are connected to input/output points of the master-slave communication unit;

the hoist pump opens and stops the analog unit and includes:

the lifting appliance pump starting switch is connected to an input point of the master-slave communication unit and is used for electrifying the lifting appliance pump simulation module to simulate the starting of a lifting appliance mechanism;

the lifting appliance pump stop switch is connected to the input point of the master-slave communication unit and used for enabling the lifting appliance pump simulation module to lose power so as to simulate the stop of a lifting appliance mechanism; and

the lifting appliance pump operation indicator light is connected to an output point of the master-slave communication unit and used for feeding back whether the lifting appliance pump simulation module is in an operation state;

the flexible analog unit of hoist includes:

the operation size selection switch is connected to an input point of the master-slave communication unit, and is provided with a first operation size and a second operation size, and the first operation size is smaller than the second operation size;

the stretching action simulation piece is connected to an output point of the master-slave communication unit and used for simulating the stretching operation state of the lifting appliance mechanism when the operation size selection switch is switched from a first operation size to a second operation size;

the retraction action simulator is connected to an output point of the master-slave communication unit and used for simulating a retraction operation state of the lifting appliance mechanism when the operation size selection switch is switched from a second operation size to a first operation size;

the first operation size limiting part is connected to an input point of the master-slave communication unit and used for enabling the retraction action simulation piece to lose power so as to simulate the stop of the retraction action of the lifting appliance mechanism when the lifting appliance mechanism retracts to the first operation size;

the second operation size limiting part is connected to the input point of the master-slave communication unit and used for enabling the stretching action simulation part to lose power so as to simulate the stopping of the stretching action of the lifting appliance mechanism when the lifting appliance mechanism stretches to a second operation size;

the first operation size indicator light is connected to an output point of the master-slave communication unit and used for feeding back whether the lifting appliance mechanism is in a first operation size state or not; and

the second operation size indicator light is connected to an output point of the master-slave communication unit and used for feeding back whether the lifting appliance mechanism is in a second operation size state or not;

the spreader opens shutting analog unit includes:

an open/close selection switch connected to an input point of the master-slave communication unit;

the unlocking action simulation piece is connected to an output point of the master-slave communication unit and used for simulating the unlocking operation state of the lifting appliance mechanism when the unlocking is selected by the open/close selection switch;

the locking action simulation piece is connected to an output point of the master-slave communication unit and used for simulating a locking operation state of the lifting appliance mechanism when the open/lock selection switch selects locking;

the unlocking limiting part is connected to the input point of the master-slave communication unit and is used for enabling the unlocking action simulation piece to lose power so as to simulate the unlocking in-place operation state of the lifting appliance mechanism;

the locking limiting part is connected to an input point of the master-slave communication unit and used for enabling the locking action simulation part to lose power so as to simulate the locking in-place operation state of the lifting appliance mechanism;

the unlocking in-place indicator light is connected to an output point of the master-slave communication unit and used for feeding back whether the lifting appliance mechanism is unlocked in place; and

the locking in-place indicator light is connected to an output point of the master-slave communication unit and used for feeding back whether the lifting appliance mechanism is locked in place or not;

the lifting appliance boxing simulation unit comprises:

the box landing limiting part is connected to the input point of the master-slave communication unit and used for simulating the box landing operation state of the lifting appliance mechanism; and

and the box-landing indicator light is connected to an output point of the master-slave communication unit and used for feeding back whether the lifting appliance mechanism is in a box-landing state.

2. The container spreader electrical control simulation training device according to claim 1, wherein the first operation dimension limiting member, the second operation dimension limiting member, the unlocking limiting member, the locking limiting member and/or the landing limiting member are inductive proximity switches.

3. The container spreader electrical control simulation training device of claim 2, further comprising a limit induction simulator for actuating the inductive proximity switch when the inductive proximity switch is approached within a defined induction distance; the limit induction simulator comprises a metal induction part capable of forming induction with the inductive proximity switch.

4. The container spreader electrical control simulation training device of claim 1, wherein the spreader pump simulation module comprises a first spreader pump simulator and a second spreader pump simulator; the first lifting appliance pump simulation piece is set as a first contactor, and the second lifting appliance pump simulation piece is set as a second contactor; the main contacts of the first contactor and the second contactor are connected with a power supply module, coils of the first contactor and the second contactor are respectively connected to corresponding output points of the master-slave communication unit, and auxiliary normally open contacts of the first contactor and the second contactor are respectively connected to corresponding input points of the master-slave communication unit.

5. The container spreader electrical control simulation training device of claim 4, wherein the spreader pump simulation module further comprises a first thermal relay and a second thermal relay; the heating elements of the first thermal relay and the second thermal relay are connected with the power supply module; auxiliary normally closed contacts of the first thermal relay and the second thermal relay are respectively connected with coils of the first contactor and the second contactor and are respectively connected to corresponding output points of the master communication unit and the slave communication unit; and the auxiliary normally open contacts of the first thermal relay and the second thermal relay are respectively connected to corresponding input points of the master-slave communication unit and respectively act on the first contactor and the second contactor.

6. The container spreader electrical control simulation training device according to claims 1-5, wherein the master-slave communication unit comprises:

a master station controller;

the slave stations are provided with a plurality of slave stations, and each slave station is connected with the master station controller;

the communication power supply is connected with the master station controller, each slave station and the power supply module; and

and the direct-current power supply is connected with the master station controller, each slave station and the power supply module.

7. The practical training device for the electrical control simulation of the container spreader according to claims 1 to 5, further comprising a spreader working data acquisition unit, wherein the spreader working data acquisition unit comprises a spreader pump running timer and a box volume counter, and the spreader pump running timer and the box volume counter are respectively connected to corresponding output points of the master-slave communication unit.

8. A container spreader electrical control simulation practical training method is characterized in that based on the container spreader electrical control simulation practical training device of any one of claims 1 to 7; the practical training method comprises the following steps:

simulating the starting of a lifting appliance mechanism;

simulating the stop of a lifting appliance mechanism;

simulating a lifting appliance mechanism to put the box;

simulating unlocking of a lifting appliance mechanism;

simulating locking of a lifting appliance mechanism;

the simulation lifting appliance mechanism extends from a first operation size to a second operation size; and

the simulation lifting appliance mechanism retracts from the second operation size to the first operation size;

the step of simulating the start of the spreader mechanism comprises:

operating a sling pump starting switch, and inputting a sling pump starting signal to an input point of the master-slave communication unit;

after receiving a lifting appliance pump starting signal, the master-slave communication unit sends a lifting appliance pump starting instruction to a corresponding output point to enable the lifting appliance pump simulation module to be powered on and enable the lifting appliance pump operation indicator lamp to be powered on;

observing that the lifting appliance pump operation indicator lamp is lightened to indicate that the lifting appliance mechanism is started to operate;

the step of simulating the stop of the spreader mechanism comprises the following steps:

operating a sling pump stop switch, and inputting a sling pump stop signal to an input point of the master-slave communication unit;

after receiving a lifting appliance pump stopping signal, the master-slave communication unit sends a lifting appliance pump stopping instruction to a corresponding output point to enable the lifting appliance pump simulation module to be powered off, and enables the lifting appliance pump operation indicator lamp to be powered off;

observing that the spreader pump operation indicator light is off, indicating that the spreader mechanism has stopped;

the step of simulating the landing of the hanger mechanism comprises the following steps:

operating the box-touching limiting part and inputting box-touching signals to input points of the master-slave communication unit;

after receiving the box-holding signal, the master-slave communication unit sends a box-holding instruction to a corresponding output point to enable the box-holding indicator lamp to be powered on;

observing that the box-landing indicator lamp is lightened to show that the lifting appliance mechanism is in a box-landing state;

the step of simulating the unlocking of the lifting appliance mechanism comprises:

observing and determining that the unlocking in-place indicator lamp is not lighted, namely that the lifting appliance mechanism is not in an unlocking state;

observing and determining that the first operation size indicator light or the second operation size indicator light is turned on, namely that the lifting appliance mechanism is in a first operation size state or a second operation size state; the lifting appliance mechanism is in a first operation size state or a second operation size state, which is a necessary condition for unlocking the lifting appliance mechanism;

observing and determining that the box-landing indicator lamp is lightened, namely the lifting appliance mechanism is in a box-landing state; the lifting appliance mechanism is in a box state, which is a necessary condition for unlocking the lifting appliance mechanism;

operating the open/close selection switch to select unlocking, and inputting a lifting appliance unlocking signal to an input point of the master-slave communication unit;

after receiving a lifting appliance unlocking signal, the master-slave communication unit sends a lifting appliance unlocking instruction to a corresponding output point to enable the unlocking action simulation piece to be electrified; an unlocking indicator light is arranged on the unlocking action simulation piece, and the unlocking indicator light is on to indicate that the lifting appliance is unlocking;

operating the unlocking limiting part and inputting an unlocking in-place signal to an input point of the master-slave communication unit;

after receiving the unlocking in-place signal, the master-slave communication unit sends a lifting appliance unlocking in-place instruction to a corresponding output point to enable the unlocking in-place indicator lamp to be powered on;

observing that the unlocking in-place indicator lamp is lightened to indicate that the lifting appliance mechanism is in an unlocking state;

the step of simulating the locking of the sling mechanism comprises the following steps:

observing and determining that the locking in-place indicator lamp is not lighted, namely the lifting appliance mechanism is not in a locking state;

observing and determining that the first operation size indicator light or the second operation size indicator light is turned on, namely the lifting appliance mechanism is in a first operation size state or a second operation size state; the lifting appliance mechanism is in a first operation size state or a second operation size state, which is a necessary condition for locking the lifting appliance mechanism;

observing and determining that the box-landing indicator lamp is lightened, namely the lifting appliance mechanism is in a box-landing state; the lifting appliance mechanism is in a box state, which is a necessary condition for locking the lifting appliance mechanism;

operating the open/close selection switch to select close and inputting a hanger close signal to an input point of the master-slave communication unit;

after receiving a lifting appliance locking signal, the master-slave communication unit sends a lifting appliance locking instruction to a corresponding output point to enable the locking action simulation piece to be electrified; a locking indicator light is arranged on the locking action simulation piece, and the locking indicator light is turned on to indicate that the lifting appliance is being locked;

operating the locking limiting part and inputting a locking in-place signal to an input point of the master-slave communication unit;

after receiving the locking in-place signal, the master-slave communication unit sends a lifting appliance locking in-place instruction to a corresponding output point to enable the locking in-place indicator lamp to be powered;

observing that the lock-in-place indicator light is illuminated indicating that the spreader mechanism is in a locked state;

the step of simulating the spreader mechanism to extend from a first operating dimension to a second operating dimension comprises:

observing and determining that the unlocking in-place indicator lamp is lightened, namely the lifting appliance mechanism is in an unlocking state; the condition that the lifting appliance mechanism is in an unlocking state is a necessary condition for the lifting appliance mechanism to be stretched;

observing and determining that the second operation size indicator light is not lighted, namely that the lifting appliance mechanism is not in a second operation size state; the state that the lifting appliance mechanism is not in the second operation size state is a necessary condition for the lifting appliance mechanism to be stretched;

observing and determining that the locking in-place indicator lamp is not lighted, namely the lifting appliance mechanism is not in a locking state; the condition that the lifting appliance mechanism is not in a locking state is a necessary condition for the lifting appliance mechanism to be stretched;

operating the operation size selection switch to select a second operation size, and inputting a signal stretching to the second operation size to an input point of the master-slave communication unit;

after receiving the signal of extending to the second operation size, the master-slave communication unit sends a spreader extending instruction to a corresponding output point to enable the extending action simulation piece to be powered on; an unfolding indicator light is arranged on the unfolding action simulation piece, and the unfolding indicator light is turned on to indicate that the lifting appliance is being unfolded;

operating the second operation size limiting part, and inputting a second operation size in-place signal to an input point of the master-slave communication unit;

after receiving a second operation size in-place signal, the master-slave communication unit sends a second operation size in-place instruction to a corresponding output point to enable the second operation size indicator lamp to be powered on;

observing that the second work size indicator light is illuminated indicating that the spreader mechanism has been in a second work size state;

the step of simulating retraction of the spreader mechanism from the second operative dimension to the first operative dimension comprises:

observing and determining that the unlocking in-place indicator lamp is lightened, namely that the lifting appliance mechanism is in an unlocking state; the lifting appliance mechanism is in an unlocking state, which is a necessary condition for retracting the lifting appliance mechanism;

observing and determining that the first operation size indicator light is not lighted, namely that the lifting appliance mechanism is not in a first operation size state; the absence of the spreader mechanism in the first operating dimension state is a requirement for the spreader mechanism to retract;

observing and determining that the locking in-place indicator lamp is not lighted, namely the lifting appliance mechanism is not in a locking state; the condition that the lifting appliance mechanism is not in a locking state is a necessary condition for the lifting appliance mechanism to be stretched;

operating the operation size selection switch to select a first operation size, and inputting a signal of retracting to the first operation size to an input point of the master-slave communication unit;

after receiving a signal stretching to a first operation size, the master-slave communication unit sends a lifting appliance retracting instruction to a corresponding output point to enable the retracting action simulation piece to be electrified; a retraction indicator light is arranged on the retraction action simulation piece, and the retraction indicator light is turned on to indicate that the lifting appliance is retracting;

operating the first operation size limiting part, and inputting a first operation size in-place signal to an input point of the master-slave communication unit;

after receiving a first operation size in-place signal, the master-slave communication unit sends a first operation size in-place instruction to a corresponding output point to enable the first operation size indicator lamp to be powered on;

the first work size indicator light is observed to be illuminated indicating that the spreader mechanism is in the first work size state.

9. A practical training system of a container spreader electrical control simulation practical training device, which is characterized in that based on the container spreader electrical control simulation practical training device of any one of claims 1-7, the practical training system comprises:

the practical training operation formulating module is used for formulating a simulative practical training operation submodule of the lifting appliance mechanism, and the simulative practical training operation submodule of the lifting appliance mechanism comprises a simulative lifting appliance mechanism operation submodule, a simulative lifting appliance mechanism submodule which extends from a first operation size to a second operation size, a simulative lifting appliance mechanism which retracts from the second operation size to the first operation size submodule, a simulative lifting appliance mechanism unlocking submodule and a simulative lifting appliance mechanism locking submodule;

the training operation parameter setting module is used for setting operation parameters of each training operation sub-module;

the signal acquisition module is used for acquiring input and output signals of the current system; and

and the practical training operation judgment module is used for judging whether the input and output signals acquired by the signal acquisition module meet the operation parameters of a certain practical training operation submodule.

10. The practical training system for the container spreader electrical control simulation practical training device according to claim 9, wherein the operation parameters of the simulation container spreader mechanism operation submodule comprise: the starting switch of the sling pump is actuated, and the stopping switch of the sling pump is not actuated;

the operation parameters of the submodule for simulating the lifting appliance mechanism to extend from the first operation size to the second operation size comprise: the operation size selection switch selects a second operation size, the box alignment limiting part is not sensed, the lifting appliance pump simulation module operates, the lifting appliance mechanism is in an unlocking state, the second operation size limiting part is not sensed, and the operation size selection switch does not select the first operation size;

the operation parameters of the submodule for simulating the retraction of the lifting appliance mechanism from the second operation size to the first operation size comprise: the operation size selection switch selects a first operation size, the box alignment limiting part is not sensed, the lifting appliance pump simulation module operates, the lifting appliance mechanism is in an unlocking state, the first operation size limiting part is not sensed, and the operation size selection switch does not select a second operation size;

the operation parameters of the unlocking submodule of the simulation lifting appliance mechanism comprise: the unlocking/locking selection switch selects unlocking, the lifting appliance is in a first operation size state or a second operation size state, the lifting appliance is in a box state, the lifting appliance pump simulation module is operated, the unlocking/locking selection switch does not select locking, and the unlocking limiting part is not sensed;

the operation parameters of the simulation lifting appliance mechanism locking submodule comprise: the on/off selection switch selects to be locked, the lifting appliance is in a first operation size state or a second operation size state, the lifting appliance is in a box state, the lifting appliance pump simulation module is operated, the on/off selection switch does not select to be unlocked, and the locking limiting part is not sensed.

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