CN209948656U - Analog controller for maintaining container crane lifting appliance - Google Patents
Analog controller for maintaining container crane lifting appliance Download PDFInfo
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- CN209948656U CN209948656U CN201921221273.3U CN201921221273U CN209948656U CN 209948656 U CN209948656 U CN 209948656U CN 201921221273 U CN201921221273 U CN 201921221273U CN 209948656 U CN209948656 U CN 209948656U
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Abstract
The utility model discloses a simulation controller for maintaining a container crane spreader, which comprises a controller box, a power supply, a button switch, a contactor, a breaker and a control panel; the contactors are arranged in parallel in at least one row and are arranged in the middle of the controller box body, the circuit breakers are arranged on one side of the contactors in parallel, and the button switches are arranged on the control panel; the power supply, the button switch, the contactor, the breaker and the control panel are connected through a connecting cable. The utility model discloses accurate simulation of analog controller replaces the driver's cabin on the hoist in the control cabinet, with the container crane driver cabin to all actions of hoist, switch instruction, detect, control, logic interlocking, function and device such as signal feedback integrated with the reason, through controlling action analog controller, realize maintenance, debugging and technical check work in pier rear maintenance place under harbour container spreader and the hoist detached state.
Description
Technical Field
The utility model relates to a container crane hoist maintains technical field, mainly relates to a container crane hoist maintains uses analog controller.
Background
The container crane is characterized in that a special tool for grabbing containers is a lifting appliance, the general lifting appliance is designed to be quickly detachable and separable, is connected with a lifting appliance upper frame on the crane through a manual twist lock or a pin shaft to realize steel structure connection, and is connected with a lifting appliance cable on the crane through a quick plug in a driving and control manner; in the loading and unloading process, the twistlock device on the hanger is clamped into the four corner holes at the upper end of the container, and the loading and unloading of the container are realized under the assistance of other related mechanisms on the crane, so the hanger is one of the important mechanisms of the container crane.
The lifting appliance is a mechanism which is directly contacted with a lifted cargo box on the container crane, and the lifting appliance mechanism becomes the part with the highest collision probability in the process of loading and unloading operation due to the continuous improvement of the loading and unloading efficiency and the height of the modern crane; the loading and unloading operation has complex working conditions, and has the requirements of functional diversity and high standard, so that the lifting appliance mechanism has the characteristics of high electric control technical content, precise control, complex structure and the like, and the lifting appliance becomes the mechanism with the highest failure rate on the crane.
In order to ensure that the high reliability of the crane meets the production requirement, each port is generally provided with a certain number of spare lifting appliances, once the lifting appliances on the crane have faults and the maintenance can not be quickly completed on the operation site at the front edge of the wharf, the maintenance strategy is changed from the technical management, the repaired spare lifting appliances are used for quickly replacing the fault lifting appliances, the crane production is firstly recovered, and the fault lifting appliances are then consigned to the rear maintenance site for special maintenance. In the rear maintenance place, after fault maintenance or inspection and maintenance are carried out on the lifting appliance, in order to effectively check the maintenance and maintenance effect (quality), whether various actions, control, detection and protection functions of the lifting appliance in a working state meet the normal use standard needs to be simulated, but a control console in a cab on the crane is not arranged in the rear maintenance place, and the effect (quality) of maintenance needs to be checked, a controller which is based on the principle of the control console on the crane needs to be configured in the rear maintenance place to carry out power supply and signal transmission, so that various working conditions of the lifting appliance are controlled.
In the container crane handling operation process, the driver operates the crane through the linkage platform installed in the crane cab according to the crane operation manual, and through components and parts manually operation crane work such as handle, button, selector switch, wherein control the multinomial action of hoist including the driver: the method comprises the following steps of telescopic lifting appliance, unlocking, locking, up/down guide plate, double-box or single-box mode selection of the lifting appliance, forward and backward inclination of the lifting appliance, left and right inclination of the lifting appliance, horizontal rotation of the lifting appliance and the like.
The special sling for the container crane is divided into a single-box sling and a double-box sling according to the number of single-time suspendable standard boxes, can be divided into an electric control sling and a hydraulic control sling according to a control system, can be divided into a single-box beam sling and a double-box beam sling according to a telescopic beam structure, and can be divided into a full-automatic sling and a simple sling according to the automatic control degree; the cost of each type of lifting appliance is hundreds of thousands to millions, and the cost of the lifting appliance is greatly increased although the standby lifting appliance is replaced so as not to influence the lifting efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an analog control precision is high is provided, easy operation, safe and reliable, the strong analog controller for the container crane hoist maintenance of commonality.
The utility model discloses the technical problem that will solve can adopt following technical scheme to realize:
an analog controller for maintaining a lifting appliance of a container crane is characterized by comprising a controller box, a power supply for supplying power to the analog controller, a button switch for controlling the analog controller to start or stop, a contactor capable of quickly cutting off a main loop and frequently switching on a control circuit, a circuit breaker for overcurrent and open-phase protection of the circuit and a control panel for controlling the analog controller to enable the lifting appliance to act;
the contactors are arranged in parallel in at least one row and are arranged in the middle of the controller box, the circuit breakers are arranged on one side of the contactors in parallel, the control panel is arranged on the upper portion of the controller box, and the button switches are arranged on the control panel; the analog controller is connected with the lifting appliance through a connecting cable, and the power supply, the button switch, the contactor, the circuit breaker and the control panel are connected through the connecting cable.
In the utility model discloses a preferred embodiment, be provided with the wiring groove that connects into a square frame in the interior middle part of controller box, a plurality of contactor and circuit breaker are set up in the square frame of wiring groove, every two lines transversely be provided with a partition wiring groove between the contactor.
In a preferred embodiment of the present invention, an overcurrent protector for current overload protection is provided in the controller box, and the overcurrent protector is disposed below the contactor.
In a preferred embodiment of the present invention, a transformer is disposed at the inner bottom of the controller box, and the transformer is used for converting an ac voltage in the circuit.
In a preferred embodiment of the present invention, the control circuit of the analog controller includes a main control circuit, an auxiliary circuit, a sling lock/unlock control circuit, and a sling expansion/contraction control circuit.
In a preferred embodiment of the present invention, the main control circuit comprises a power supply, an overcurrent protection circuit breaker MPCB, a contactor MC, a wiring terminal-X1 and a power indicator lamp which are connected sequentially through a three-phase connection cable.
In a preferred embodiment of the invention, said auxiliary circuit comprises a circuit breaker CTCB, a transformer EC, a circuit breaker CB1, a control off button COF, a control on button CON, a 220V contactor COR, a 110V contactor SPCR, a control button POF, a control button PON, a contactor MC,
the circuit breaker CTCB normally open contact, the transformer EC, the circuit breaker CB1 normally open contact, the closed off control button COF, the open off control button CON and the contactor COR coil are sequentially connected, and the other end of the contactor COR coil is connected with the negative electrode of a power supply; one end of a contactor COR normally open contact is connected with a control on button CON, the other end of the contactor COR normally open contact is sequentially connected with a control on button CON interlocking button and a power supply cathode, and the other end of the control on button CON, one end of a contactor COR coil, the other end of the contactor COR normally open contact and one end of the control on button CON interlocking button are connected in parallel;
one end of a contactor COR is connected with the other end of the control disconnection button COF, the other end of the contactor COR is sequentially connected with a contactor SPCR, a control button POF, a control button PON and a contactor MC coil, and the other end of the contactor MC coil is connected with the negative electrode of a power supply; one end of a contactor MC normally open contact is connected with a control button PON, the other end of the contactor MC normally open contact is sequentially connected with a control button PON interlocking button and a power supply cathode, and the other end of the control button PON, one end of a contactor MC coil, the other end of the contactor MC normally open contact and one end of the control button PON interlocking button are connected in parallel.
In a preferred embodiment of the present invention, the spreader unlocking and locking control circuit includes an interlock type unlocking and locking switch TWS, a 110V contactor LR, a 110V contactor TWLR, a 110V contactor TWUR, an interlock type unlocking and locking bypass switch TWBP,
one end of a switch TWS of the switch lock is connected with the other end of the contactor SPCR, and the other end of the left locking part of the switch lock is sequentially connected with a first normally open contact of a contactor LR, a normally closed contact of the contactor TWLR and a wiring terminal-X1; the other end of the right unlocking part of the switch TWS is sequentially connected with a second normally open contact of a contactor LR, a normally closed contact of a contactor TWUR and a wiring terminal-X1; the two ends of the left part of the opening and closing bypass switch TWBP are respectively connected in parallel with one end of a first normally open contact of the contactor LR and the other end of a normally closed contact of the contactor TWLR, and the two ends of the right part of the opening and closing bypass switch TWBP are respectively connected in parallel with one end of a second normally open contact of the contactor LR and the other end of a normally closed contact of the contactor TWUR.
In a preferred embodiment of the present invention, the spreader expansion control circuit comprises 220V contactor SRR, 220V contactor SER, interlock type expansion bypass switch EPBP, interlock type expansion switch SSS, 110V contactor S20R, 110V contactor S40R,
one end of a normally open contact of the contactor SRR, one end of a normally open contact of the contactor SER, one end of the telescopic switch SSS and the other end of the contactor SPCR are connected in parallel; one end of the left part of the telescopic bypass switch EPBP is connected with the other end of the left part of the telescopic switch SSS, and the other end of the left part of the telescopic bypass switch EPBP is connected with the other end of the normally open contact of the contactor SRR; one end of the right part of the telescopic bypass switch EPBP is connected with the other end of the right part of the telescopic switch SSS, and the other end of the right part of the telescopic bypass switch EPBP is connected with the other end of the normally open contact of the contactor SER; the other end of the left part of the telescopic switch SSS is sequentially connected with a normally closed contact S20R and a contactor SRR coil, the other end of the right part of the telescopic switch SSS is sequentially connected with a normally closed contact S40R and a contactor SER coil, and the other end of the contactor SRR coil and the other end of the contactor SER coil are respectively connected with the negative electrode of a power supply.
The utility model has the advantages that: the utility model provides a container crane hoist maintains uses analog controller, analog controller accurate simulation replaces the control cabinet in the driver's cabin on the hoist, with all actions to the hoist in the container crane driver's cabin, the switching instruction, detect, control, logic interlocking, function and device such as signal feedback are integrated with the same reason, analog controller gets the electricity convenient, with hoist control system compatible matching, can be fast convenient be connected or separate with the hoist, make the hoist action through controlling the internal electrical element of controller box, when harbour container hoist and hoist separate (under the non-operating condition), still realize maintenance, work such as debugging and technical inspection in pier rear maintenance place.
Set up overcurrent protector and realize the overload protection to the circuit, the transformer realizes that the circuit lasts steady voltage, and connecting cable is copper core flexible cable, can change the direction at any time or increase the branch, and the wire winding is nimble and long service life, and controller box bottom sets up the gyro wheel, and the convenience is removed as required at rear maintenance place.
Drawings
Fig. 1 is a front view of the analog controller for maintaining the spreader of the container crane.
Fig. 2 is a side view of the analog controller for maintaining the spreader of the container crane.
Fig. 3 is a layout diagram of the panel elements of the analog controller for maintaining the spreader of the container crane.
Fig. 4 is the internal structure schematic diagram of the analog controller for maintaining the spreader of the container crane.
Fig. 5 is an electrical control diagram of the analog controller for maintaining the spreader of the container crane.
Fig. 6 is one of the indicator light control charts of the analog controller for maintaining the spreader of the container crane of the present invention.
Fig. 7 is a second indicator light control diagram of the analog controller for maintaining the spreader of the container crane according to the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
Referring to fig. 1 to 4, an analog controller for maintaining a spreader of a container crane is shown, which is designed as a box integrally, and includes a controller box 1, a power supply for supplying power to the analog controller, a button switch for controlling the analog controller to start or stop, a contactor for rapidly cutting off a main circuit and frequently switching on a control circuit, a circuit breaker for protecting the circuit from overcurrent and open phase, and a control panel 2 for controlling the analog controller to make the spreader operate; the analog controller is connected with the lifting appliance through a connecting cable, and the power supply, the button switch, the contactor, the circuit breaker and the control panel 2 are connected through the connecting cable.
The voltage provided by the power supply is 380V alternating current, a 16A socket 11 is arranged on the left side of the controller box body 1, and the power supply is connected with the circuit breaker through the 16A socket 11 and a connecting cable; the contactor is provided with an auxiliary contact and is used for logic control of the lifting appliance signal simulation box; the circuit breaker is convenient for protection when the conditions of overcurrent, phase loss and the like occur during the maintenance of the lifting appliance, and when the phenomena of short circuit and the like occur in a control circuit, the circuit breaker can be powered off in time, so that elements in the protective box are burnt out in an overcurrent manner, and the safety and the reliability are higher; an overcurrent protector THR for safety protection when a circuit is overloaded is arranged in the controller box body, and the overcurrent protector THR is arranged below the contactor; a transformer 3 is arranged on the left side of the inner bottom of the controller box 1, and the transformer 3 converts an alternating voltage 380V in a circuit into an alternating voltage 110V for supplying power to a lifting appliance and a control part of the analog controller; a grounding wire 12 is arranged on the right side of the inner bottom of the controller box 1; the intermediate relay with rated voltage of 110V is used for internal logic control of the sling signal analog controller.
The connecting cable internally comprises a driving core and a control core, and the telescopic motor with the maximum power of the lifting appliance is a 4KW three-phase asynchronous motor, so that the power supply cable outside the analog controller adopts a three-phase four-core system and a single-core copper-core flexible cable of 4mm 2; the quick plug-in type plug is arranged on the connecting cable, preferably, a 16A three-phase four-wire universal plug is arranged on the cable connected with a power supply, so that the quick plug-in type plug is convenient to adapt to power supply and distribution in a rear maintenance place; the connection plug type and the stitch definition need to be matched with the lifting appliance, and the connection is carried out by directly plugging the plug during use and maintenance.
The control panel 2 is arranged at the inner upper part of the controller box 1, a foldable cover plate 13 is arranged at the top of the controller box 1, the cover plate 13 is used for covering and protecting the control panel 2, and the cover plate 13 is required to be lifted to expose the control panel 2 when in operation and use; the button switch comprises an off control button COF for controlling the opening of the main circuit and an on control button CON for controlling the closing of the main circuit, and the button switch is arranged on the control panel.
The control panel 2 is provided with an opening and closing lock switch TWS for inputting an unlocking or locking command to the analog controller, an opening and closing lock bypass switch TWBP for shielding the interlocking protection of an unlocking or locking control loop, a telescopic switch SSS for inputting a stretching or retracting command to the analog controller, a telescopic bypass switch EPBP for shielding the interlocking protection of a stretching or retracting control loop and an indicator light for displaying the state of the lifting appliance, wherein the opening and closing lock switch TWS outputs an unlocking or locking action command to the lifting appliance after the analog controller is controlled by electric interlocking; the opening and closing lock bypass switch TWBP directly outputs an opening or closing action instruction to the lifting appliance; the telescopic switch SSS outputs an extending or retracting action instruction to the lifting appliance after the analog controller is controlled by electrical interlocking; the telescopic bypass switch EPBP directly outputs an extending or retracting action instruction to the lifting appliance; the indicating lamp comprises an unlocking lamp, a locking lamp, a 20-ruler lamp, a 40-ruler lamp, a hanger connecting lamp and a full-box lamp. The button switch, the selection switch and the indicator light are used for giving a signal to a maintenance person and feeding back the state of the lifting appliance through the indicator light.
The contactors are arranged in parallel in at least one row and are arranged in the middle of the controller box body 1, and the circuit breakers are arranged on one side of the contactors in parallel; the middle part in the controller box body 1 is provided with a wiring groove 14 connected into a square frame, a plurality of contactors and circuit breakers are arranged in the square frame of the wiring groove 14, a separated wiring groove is transversely arranged between every two rows of contactors, and the size of the wiring groove 14 is 40 multiplied by 60 mm. Preferably, 11 contactors are arranged in two rows in the middle of the controller box 1, the first row has 7 contactors MC, COR, SRR, SER, LR, TWLR, TWUR, the second row has 4 contactors S20R, S40R, SCOR, SPCR, the 3 circuit breakers MPCB, CTCB, CB1 are arranged side by side on the left side of the 7 contactors, and the over-current protector THR is arranged below the first contactor MC in the first row.
The bottom of the controller box 1 is provided with a roller 15 which is convenient to move and can be fixed on a special plate trailer to move; the lifting appliance is light and convenient to move, and the maintenance after the lifting appliance is maintained can be realized by one person according to the use specification, so that the labor cost is saved; the simulation controller PLC is provided with a USB interface, so that a computer can be conveniently connected in the process of overhauling the lifting appliance, and the control program of the lifting appliance can be modified and calibrated.
Laying and installing the electrical elements according to an electrical design drawing, and controlling by adopting a PLC program; after the analog controller is powered to the inside of the box body through the power cable with the plug, logical operation and safety protection are performed through electric elements such as a circuit breaker, a contactor, a relay, a selection switch and an indicator lamp, and then signal exchange is performed through connection of the signal connection cable and the lifting appliance to realize various working condition control and signal feedback of the lifting appliance.
Referring to fig. 5 to 7, the control circuit of the analog controller includes a main control circuit, an auxiliary circuit, a spreader lock/unlock control circuit, and a spreader telescopic control circuit.
The main control circuit comprises a power supply, an overcurrent protection circuit breaker MPCB, a contactor MC, a wiring terminal-X1 and a power supply indicator lamp which are sequentially connected through a three-phase connecting cable.
The auxiliary circuit comprises a circuit breaker CTCB, a transformer EC, a circuit breaker CB1, a control break button COF, a control close button CON, a 220V contactor COR, a 110V contactor SPCR, a control button POF, a control button PON and a contactor MC, wherein a normally open contact of the circuit breaker CTCB, a transformer EC, a normally open contact of the circuit breaker CB1, a closed control break button COF, a broken control close button CON and a contactor COR coil are sequentially connected, and the other end of the contactor COR coil is connected with the negative electrode of a power supply; one end of a contactor COR normally open contact is connected with a control switch-on button CON, the other end of the contactor COR normally open contact is sequentially connected with a control switch-on button CON interlocking button and a power negative electrode, and the other end of the control switch-on button CON, one end of a contactor COR coil, the other end of the contactor COR normally open contact and one end of the control switch-on button CON interlocking button are connected in parallel. One end of a contactor COR is connected with the other end of the control disconnection button COF, the other end of the contactor COR is sequentially connected with a contactor SPCR, a control button POF, a control button PON and a contactor MC coil, and the other end of the contactor MC coil is connected with the negative electrode of a power supply; one end of a contactor MC normally open contact is connected with a control button PON, the other end of the contactor MC normally open contact is sequentially connected with a control button PON interlocking button and a power supply cathode, and the other end of the control button PON, one end of a contactor MC coil, the other end of the contactor MC normally open contact and one end of the control button PON interlocking button are connected in parallel.
The normally open contact of the control switch intermediate relay is connected with a hanger plug connection signal in series, is arranged on an auxiliary circuit and is used for supplying power to electrical elements such as a hanger unlocking button, a hanger locking button, a hanger extending switch, a hanger retracting switch, an indicator light and the like; after a control on button CON is pressed, a coil of a contactor COR is electrified, a normally open contact of the contactor COR is self-locked and carries out signal feedback, and an on indicating lamp is controlled to be on; after a control break button COF is pressed down, the coil of the intermediate relay is controlled to lose power, and the auxiliary normally-closed contact is disconnected and carries out signal feedback.
The lifting appliance unlocking and locking control circuit comprises interlocking type unlocking and locking switches TWS, a 110V contactor LR, a 110V contactor TWLR, a 110V contactor TWUR and an interlocking type unlocking and locking bypass switch TWBP, wherein one end of the unlocking and locking switch TWS is connected with the other end of the contactor SPCR, and the other end of the left locking part of the unlocking and locking switch TWS is sequentially connected with a first normally open contact of the contactor LR, a normally closed contact of the contactor TWLR and a wiring terminal-X1; the other end of the right unlocking part of the switch TWS is sequentially connected with a second normally open contact of a contactor LR, a normally closed contact of a contactor TWUR and a wiring terminal-X1; the two ends of the left part of the opening and closing bypass switch TWBP are respectively connected in parallel with one end of a first normally open contact of the contactor LR and the other end of a normally closed contact of the contactor TWLR, and the two ends of the right part of the opening and closing bypass switch TWBP are respectively connected in parallel with one end of a second normally open contact of the contactor LR and the other end of a normally closed contact of the contactor TWUR. The logic control is as follows: after the control closing indicator light is normally on, the actual working condition of the lifting appliance is combined, and the box closing signal is connected in series before the signal is output.
The lifting appliance telescopic control circuit comprises a 220V contactor SRR, a 220V contactor SER, an interlocking telescopic bypass switch EPBP, an interlocking telescopic switch SSS, a 110V contactor S20R and a 110V contactor S40R, wherein one end of a normally open contact of the contactor SRR, one end of a normally open contact of the contactor SER, one end of the telescopic switch SSS and the other end of the contactor SPCR are connected in parallel; one end of the left part of the telescopic bypass switch EPBP is connected with the other end of the left part of the telescopic switch SSS, and the other end of the left part of the telescopic bypass switch EPBP is connected with the other end of the normally open contact of the contactor SRR; one end of the right part of the telescopic bypass switch EPBP is connected with the other end of the right part of the telescopic switch SSS, and the other end of the right part of the telescopic bypass switch EPBP is connected with the other end of the normally open contact of the contactor SER; the other end of the left part of the telescopic switch SSS is sequentially connected with a normally closed contact S20R and a contactor SRR coil, the other end of the right part of the telescopic switch SSS is sequentially connected with a normally closed contact S40R and a contactor SER coil, and the other end of the contactor SRR coil and the other end of the contactor SER coil are respectively connected with the negative electrode of a power supply.
The logic control of the extension of the lifting appliance is as follows: after the control closing indicator lamp is normally on, in combination with the expansion state of a field lifting appliance, a contactor S20R coil or a contactor S40R coil is electrified, an auxiliary normally closed contact is interlocked with a selective switch with a middle position, so that the lifting appliance can cut off a given signal after being contracted to 20 feet or extended to 40 feet, a normally open contact of an intermediate relay is connected with the indicator lamp in series, so that the indicator lamp at a corresponding position is on, and signal feedback is realized; after the selection switch selects 20 feet or 40 feet, the intermediate relay of 20 feet or 40 feet is electrified, the normally open auxiliary contact of the intermediate relay is closed, and a given signal is output to the lifting appliance.
In the process of inspecting the maintenance and maintenance effects of the lifting appliance, a maintainer only needs to select a corresponding button on a panel of the controller to operate, and the lifting appliance can complete the action to be inspected under the driving and controlling of the controller. The design principle of the simulation controller is mature, the manufacturing and assembling process is simple, the simulation controller mainly comprises a box body, a cable and an electric control element, a software control program is assisted, the simulation controller is connected with a fault lifting appliance through a quick plug, the lifting appliance can be driven and controlled, and the purpose of simulating a control console in a driver cab of the crane to control the lifting appliance in a rear maintenance place is achieved.
Technicians can accurately get the real reason of the hanger fault through the analog control of the analog controller on the hanger function, and realize accurate eradication maintenance; after the maintenance and the maintenance of the lifting appliance are finished, technicians carry out simulation control on various functions and actions of the lifting appliance through the simulation controller, check and confirm of maintenance and maintenance effects again, the lifting appliance after maintenance is guaranteed to be in good condition, and once the lifting appliance at the front edge of a wharf breaks down, the lifting appliance after maintenance can be replaced and used for restoring the production of the lifting appliance at the first time. The operation is simple, and the operation is performed by personnel for mechanical maintenance, conventional mechanical maintenance and the like; the overall universality is strong, the analog controller can adapt to all lifting appliances of the same type, and all lifting appliances with the same port area control program only need to be configured with one analog controller.
As shown in figures 1 to 7, the basic working principle of the lifting appliance analog controller signal cable connection of the utility model is that ① lifting appliance analog controller signal cable connection needs to be disconnected and plugged when the signal cable is plugged, the plug is clamped by using a plug buckle after being plugged tightly, ② lifting appliance analog controller power supply is used for supplying power, plugs at two ends of a connecting cable are respectively plugged into a maintenance socket and a lifting appliance analog controller power socket in a maintenance field, after connection, a breaker inside a box is switched on for supplying power, ③ the lifting appliance analog controller is operated, after power supply is supplied, lifting appliance control and lifting appliance power supply can be switched on after the lifting appliance state is observed to be abnormal, after the control switch-on lamp and the lifting appliance power supply lamp are normally on, various working conditions of the lifting appliance are controlled by combining the lifting appliance field state, after debugging ④ or maintenance is finished, the lifting appliance power supply is disconnected, the signal connecting cable is pulled out after the box is opened and the breaker is disconnected, and finally the power.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents.
Claims (9)
1. An analog controller for maintaining a lifting appliance of a container crane is characterized by comprising a controller box, a power supply for supplying power to the analog controller, a button switch for controlling the analog controller to start or stop, a contactor capable of quickly cutting off a main loop and frequently switching on a control circuit, a circuit breaker for overcurrent and open-phase protection of the circuit and a control panel for controlling the analog controller to enable the lifting appliance to act;
the contactors are arranged in parallel in at least one row and are arranged in the middle of the controller box, the circuit breakers are arranged on one side of the contactors in parallel, the control panel is arranged on the upper portion of the controller box, and the button switches are arranged on the control panel; the analog controller is connected with the lifting appliance through a connecting cable, and the power supply, the button switch, the contactor, the circuit breaker and the control panel are connected through the connecting cable.
2. An analog controller for maintaining a spreader of a container crane as claimed in claim 1, wherein a wiring slot connected to form a square frame is provided at the inner middle portion of the controller box, a plurality of the contactors and circuit breakers are provided in the square frame of the wiring slot, and a separate wiring slot is transversely provided between every two rows of the contactors.
3. An analog controller for the maintenance of the spreader of a container crane as claimed in claim 2, wherein an overcurrent protector for current overload protection is provided in the controller box, the overcurrent protector being provided below the contactor.
4. An analog controller for the maintenance of a spreader of a container crane as claimed in claim 3, wherein a transformer is provided at the inner bottom of the controller housing, the transformer being adapted to convert an ac voltage in the circuit.
5. The analog controller for maintaining the spreader of the container crane according to claim 4, wherein the control circuit of the analog controller comprises a main control circuit, an auxiliary circuit, a spreader lock/unlock control circuit, and a spreader expansion/contraction control circuit.
6. The analog controller for maintaining the spreader of the container crane according to claim 5, wherein the main control circuit comprises the power supply, the overcurrent protection circuit breaker MPCB, the contactor MC, the connection terminal-X1 and the power indicator lamp which are sequentially connected through a three-phase connection cable.
7. An analog controller for the maintenance of a spreader of a container crane according to claim 5, wherein the auxiliary circuits comprise a circuit breaker CTCB, a transformer EC, a circuit breaker CB1, a control off button COF, a control on button CON, a 220V contactor COR, a 110V contactor SPCR, a control button POF, a control button PON, a contactor MC,
the circuit breaker CTCB normally open contact, the transformer EC, the circuit breaker CB1 normally open contact, the closed off control button COF, the open off control button CON and the contactor COR coil are sequentially connected, and the other end of the contactor COR coil is connected with the negative electrode of a power supply; one end of a contactor COR normally open contact is connected with a control on button CON, the other end of the contactor COR normally open contact is sequentially connected with a control on button CON interlocking button and a power supply cathode, and the other end of the control on button CON, one end of a contactor COR coil, the other end of the contactor COR normally open contact and one end of the control on button CON interlocking button are connected in parallel;
one end of a contactor COR is connected with the other end of the control disconnection button COF, the other end of the contactor COR is sequentially connected with a contactor SPCR, a control button POF, a control button PON and a contactor MC coil, and the other end of the contactor MC coil is connected with the negative electrode of a power supply; one end of a contactor MC normally open contact is connected with a control button PON, the other end of the contactor MC normally open contact is sequentially connected with a control button PON interlocking button and a power supply cathode, and the other end of the control button PON, one end of a contactor MC coil, the other end of the contactor MC normally open contact and one end of the control button PON interlocking button are connected in parallel.
8. The simulation controller for the maintenance of a spreader of a container crane according to claim 5, wherein the spreader lock/unlock control circuit comprises an interlock type unlock/lock switch TWS, a 110V contactor LR, a 110V contactor TWLR, a 110V contactor TWUR, and an interlock type unlock/lock bypass switch TWBP,
one end of a switch TWS of the switch lock is connected with the other end of the contactor SPCR, and the other end of the left locking part of the switch lock is sequentially connected with a first normally open contact of a contactor LR, a normally closed contact of the contactor TWLR and a wiring terminal-X1; the other end of the right unlocking part of the switch TWS is sequentially connected with a second normally open contact of a contactor LR, a normally closed contact of a contactor TWUR and a wiring terminal-X1; the two ends of the left part of the opening and closing bypass switch TWBP are respectively connected in parallel with one end of a first normally open contact of the contactor LR and the other end of a normally closed contact of the contactor TWLR, and the two ends of the right part of the opening and closing bypass switch TWBP are respectively connected in parallel with one end of a second normally open contact of the contactor LR and the other end of a normally closed contact of the contactor TWUR.
9. A simulation controller for maintenance of a container crane spreader according to claim 5, wherein the spreader telescopic control circuit comprises 220V contactor SRR, 220V contactor SER, interlock type telescopic bypass switch EPBP, interlock type telescopic switch SSS, 110V contactor S20R, 110V contactor S40R,
one end of a normally open contact of the contactor SRR, one end of a normally open contact of the contactor SER, one end of the telescopic switch SSS and the other end of the contactor SPCR are connected in parallel; one end of the left part of the telescopic bypass switch EPBP is connected with the other end of the left part of the telescopic switch SSS, and the other end of the left part of the telescopic bypass switch EPBP is connected with the other end of the normally open contact of the contactor SRR; one end of the right part of the telescopic bypass switch EPBP is connected with the other end of the right part of the telescopic switch SSS, and the other end of the right part of the telescopic bypass switch EPBP is connected with the other end of the normally open contact of the contactor SER; the other end of the left part of the telescopic switch SSS is sequentially connected with a normally closed contact S20R and a contactor SRR coil, the other end of the right part of the telescopic switch SSS is sequentially connected with a normally closed contact S40R and a contactor SER coil, and the other end of the contactor SRR coil and the other end of the contactor SER coil are respectively connected with the negative electrode of a power supply.
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| CN201921221273.3U CN209948656U (en) | 2019-07-31 | 2019-07-31 | Analog controller for maintaining container crane lifting appliance |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113830676A (en) * | 2021-09-29 | 2021-12-24 | 厦门迈凯科机电设备有限公司 | Visual intelligent management system for lifting appliance |
| CN113942938A (en) * | 2021-10-14 | 2022-01-18 | 上海振华重工(集团)股份有限公司 | Alternating current integrated controller applied to single-box lifting appliance |
| CN115148065A (en) * | 2022-07-05 | 2022-10-04 | 赤湾集装箱码头有限公司 | Container spreader electrical control simulation practical training device, practical training method and practical training system thereof |
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2019
- 2019-07-31 CN CN201921221273.3U patent/CN209948656U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113830676A (en) * | 2021-09-29 | 2021-12-24 | 厦门迈凯科机电设备有限公司 | Visual intelligent management system for lifting appliance |
| CN113830676B (en) * | 2021-09-29 | 2024-04-30 | 厦门迈凯科机电设备有限公司 | Intelligent management system for visual lifting appliance |
| CN113942938A (en) * | 2021-10-14 | 2022-01-18 | 上海振华重工(集团)股份有限公司 | Alternating current integrated controller applied to single-box lifting appliance |
| CN113942938B (en) * | 2021-10-14 | 2023-11-07 | 上海振华重工(集团)股份有限公司 | Be applied to exchange integral type controller on single case hoist |
| CN115148065A (en) * | 2022-07-05 | 2022-10-04 | 赤湾集装箱码头有限公司 | Container spreader electrical control simulation practical training device, practical training method and practical training system thereof |
| CN115148065B (en) * | 2022-07-05 | 2023-12-22 | 赤湾集装箱码头有限公司 | Container sling electric control simulation practical training device, practical training method and practical training system |
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