CN104590301A - Control method and control device for loading and unloading mechanism of railway piggyback transport car - Google Patents
Control method and control device for loading and unloading mechanism of railway piggyback transport car Download PDFInfo
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- CN104590301A CN104590301A CN201510003141.3A CN201510003141A CN104590301A CN 104590301 A CN104590301 A CN 104590301A CN 201510003141 A CN201510003141 A CN 201510003141A CN 104590301 A CN104590301 A CN 104590301A
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- hydraulic pump
- electromagnetic valve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D47/00—Loading or unloading devices combined with vehicles, e.g. loading platforms, doors convertible into loading and unloading ramps
- B61D47/005—Loading or unloading devices combined with road vehicles carrying wagons, e.g. ramps, turntables, lifting means
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Abstract
The invention discloses a control method and a control device for a loading and unloading mechanism of a railway piggyback transport car. The method comprises the following steps of putting through a control circuit of a hydraulic pump motor; starting the hydraulic pump motor to start running; starting a hydraulic pump loading valve in a time-delay manner to enable hydraulic oil to enter a control oil way; opening corresponding electromagnetic valves according to a preset sequence to enable corresponding actuating mechanisms of the loading and unloading mechanism to actuate according to the preset sequence. According to the control method and the control device disclosed by the embodiment of the invention, by adopting a relay control mode and a PLC (programmable logic controller) control mode, the loading and unloading mechanism of the piggyback transport car is controlled, so that the corresponding actuating mechanisms of the loading and unloading mechanism to actuate according to the preset sequence, the goal that automatic control is performed on the loading and unloading mechanism of the piggyback transport car is achieved, and the technical problem that the loading and unloading mechanism of the railway piggyback transport car in the correlation technique cannot automatically work is further solved.
Description
Technical field
The present invention relates to automatic control technology field, in particular to a kind of railway piggyback transport car handing device control method and device.
Background technology
Carry on the back unlucky defeated be the intermodal mode of a kind of highway and railway, transport truck or container car are directly opened train wagon and are transported, and are the transportation modes of a kind of economy, safety, environmental protection.But, transport truck or container car open railway piggyback transport car or from railway piggyback transport car is opened time, railway carriage can only be reached foremost along railway carriage by from railway piggyback transport car tail end always, when arriving destination, can only from railway carriage foremost one one open, when transport truck or container car substantial amounts, this process efficiency is very low, has a strong impact on conveying efficiency.In correlation technique, piggyback transport car arranges corresponding handing device, this handing device comprises: piggyback transport car car body is recessed to form concave bottom frame downwards, concave bottom frame one end is provided with S. A., other end both sides are separately installed with the slide unit that can launch, and concave bottom frame can be fallen on platform along the slide unit of both sides to two sideway swivels, and transport truck can directly drive or open lower corresponding railway carriage, make often to save railway carriage and independently can both carry out loading-unloading vehicle work, thus greatly improve handling efficiency.But, for this handing device, not yet propose actv. control method and device at present, thus make this handing device realize automatic operation.
Summary of the invention
Embodiments provide a kind of railway piggyback transport car handing device control method and device, the technical matters of automatic operation cannot be realized at least to solve railway piggyback transport car handing device in correlation technique.
According to an aspect of the embodiment of the present invention, provide a kind of railway piggyback transport car handing device control method, comprising: connect Hydraulic Pump motor control loop; Start the entry into service of described Hydraulic Pump electrical motor; Delayed firing Hydraulic Pump charge valve, makes hydraulic oil enter oil circuit control; Open corresponding electromagnetic valve according to predefined procedure, make the corresponding actions mechanism of described handing device carry out action according to predetermined order.
Alternatively, before connection Hydraulic Pump motor control loop, comprising: detect described Hydraulic Pump motor power whether phase shortage, and disconnect described Hydraulic Pump motor control loop when described Hydraulic Pump motor power phase shortage.
Alternatively, connect described Hydraulic Pump motor control loop, comprising: two master cocies being used for carrying out described Hydraulic Pump electrical motor the described Hydraulic Pump motor control loop of bilateral control are interlocked.
Alternatively, described connection Hydraulic Pump motor control loop, comprising: two the described master cocies being used for carrying out described Hydraulic Pump electrical motor the described Hydraulic Pump motor control loop of bilateral control are carried out self-locking respectively.
Alternatively, before the entry into service of described primer fluid press pump electrical motor, comprise: detecting described Hydraulic Pump motor power phase sequence is cw or conter clockwise, and according to the testing result of described Hydraulic Pump motor power phase sequence, start the entry into service of described Hydraulic Pump electrical motor.
Alternatively, describedly open corresponding electromagnetic valve according to predefined procedure, the corresponding actions mechanism of described handing device is made to carry out action according to predetermined order, comprise: handing device opening procedure: control the first electromagnetic valve, the end bracing or strutting arrangement of described handing device is dropped on rail of railway handing device is supported; Control the second electromagnetic valve, the slide unit of described handing device is launched; Control the 3rd electromagnetic valve, the slide unit bracing or strutting arrangement of described slide unit end is dropped on ground slide unit is supported; Control the 4th electromagnetic valve, make the concave bottom frame of described handing device rise to rotating position; Control the 5th electromagnetic valve, described concave bottom frame is rotated along described slide unit and launches; Control the 6th electromagnetic valve, make the concave bottom frame of described handing device drop to ground; Control the 7th electromagnetic valve, make the slide unit bracing or strutting arrangement of described slide unit end increase, thus make slide unit depart from floor support conditions; Control the 8th electromagnetic valve, described slide unit is regained; Handing device removal process: control described second electromagnetic valve, makes described slide unit launch; Control described 3rd electromagnetic valve, the described slide unit bracing or strutting arrangement of described slide unit end is dropped on ground described slide unit is supported; Control described 4th electromagnetic valve, make the described concave bottom frame of described handing device rise to rotary position; Control described 5th electromagnetic valve, described concave bottom frame is rotated along described slide unit and regains; Control described 6th electromagnetic valve, make described concave bottom frame drop to the normal position of described handing device, carry out loopback; Control described 7th electromagnetic valve, make the described slide unit bracing or strutting arrangement of described slide unit end increase, thus make slide unit depart from floor support conditions; Control described 8th electromagnetic valve, described slide unit is regained; Control the 9th electromagnetic valve, make the described end bracing or strutting arrangement of described handing device increase, depart from described rail of railway, complete and return the vehicle to the garage and knock off.
Alternatively, will the first cam activated switch of described handing device opening procedure be controlled and control the second cam activated switch self-locking and mutually interlocking respectively of described handing device removal process.
Alternatively, describedly open corresponding described electromagnetic valve according to predefined procedure, make after the corresponding actions mechanism of described handing device carries out action according to predetermined order, comprise: when pressing normal stop button, by the power-off at once of described Hydraulic Pump charge valve, described Hydraulic Pump charge valve is quit work at once, simultaneously by described Hydraulic Pump electrical motor delay cut-off, described Hydraulic Pump electrical motor is quit work after time delay.
Alternatively, describedly open corresponding described electromagnetic valve according to predefined procedure, make after the described corresponding actions mechanism of described handing device carries out action according to predetermined order, also comprise: when pressing scram button, by the power-off at once of described Hydraulic Pump charge valve, described Hydraulic Pump charge valve is quit work at once, simultaneously by the power-off at once of described Hydraulic Pump electrical motor, described Hydraulic Pump electrical motor is quit work at once.
Alternatively, by the power-off at once of described Hydraulic Pump electrical motor, after described Hydraulic Pump electrical motor is quit work at once, comprising: the time delay circuit cutting off described Hydraulic Pump electrical motor.
Alternatively, it is characterized in that, comprising: Hydraulic Pump motor control loop, be connected with the Hydraulic Pump electrical motor of the Hydraulic Pump driving described construct for handling action, for starting and controlling described Hydraulic Pump motor operation; Hydraulic Pump charge valve, is connected with described Hydraulic Pump, for controlling the oil circuit output hydraulic pressure oil of described Hydraulic Pump; Charge valve control loop, is connected with described Hydraulic Pump charge valve, for starting and controlling described Hydraulic Pump charge valve; Electromagnetic valve, is connected with each actuating mechanism of described Hydraulic Pump charge valve and described handing device, for receive described Hydraulic Pump charge valve conveying hydraulic oil control described handing device each described in actuating mechanism carry out action according to predetermined order; Solenoid control loop, is connected with described electromagnetic valve, opens or closes according to predetermined order for controlling described electromagnetic valve.
Alternatively, described Hydraulic Pump motor control loop, comprising: pile defection device, for detecting described Hydraulic Pump motor power whether phase shortage, and disconnects described Hydraulic Pump motor control loop when described Hydraulic Pump motor power phase shortage.
Alternatively, described Hydraulic Pump motor control loop, also comprises: the first interlock circuit, for two master cocies in the described Hydraulic Pump motor control loop of described Hydraulic Pump electrical motor being carried out to bilateral control being interlocked.
Alternatively, described Hydraulic Pump motor control loop, also comprises: latching circuit, for described two master cocies in the described Hydraulic Pump motor control loop of described Hydraulic Pump electrical motor being carried out to bilateral control are carried out self-locking respectively.
Alternatively, described Hydraulic Pump motor control loop, also comprises: Phase sequence detection element, is cw or conter clockwise for detecting described Hydraulic Pump motor power phase sequence.
Alternatively, described Hydraulic Pump motor control loop, also comprises: phase sequence control circuit, for receiving the Phase sequence detection result of described Phase sequence detection element, and according to the testing result of described Hydraulic Pump motor power phase sequence, control to start the entry into service of described Hydraulic Pump electrical motor.
Alternatively, described solenoid control loop, comprise: the first cam activated switch, be connected with the first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve, the 4th electromagnetic valve, the 5th electromagnetic valve, the 6th electromagnetic valve, the 7th electromagnetic valve and the 8th electromagnetic valve respectively, for controlling the opening procedure of described construct for handling; Second cam activated switch, be connected, for controlling the removal process of described construct for handling with described second electromagnetic valve, described 3rd electromagnetic valve, described 4th electromagnetic valve, described 5th electromagnetic valve, described 6th electromagnetic valve, described 7th electromagnetic valve, described 8th electromagnetic valve and the 9th electromagnetic valve respectively.
Alternatively, described solenoid control loop, also comprises: the second interlock circuit, for described first cam activated switch and described second cam activated switch being interlocked.
Alternatively, also comprise: normal stopping control circuit, be connected with described Hydraulic Pump motor control loop and described charge valve control loop respectively, for when pressing normal stop button, by the power-off at once of described Hydraulic Pump charge valve, described Hydraulic Pump charge valve is quit work at once, simultaneously by described Hydraulic Pump electrical motor delay cut-off, described Hydraulic Pump electrical motor is quit work after time delay.
Alternatively, also comprise: suddenly stop control circuit, be connected with described Hydraulic Pump motor control loop and described charge valve control loop respectively, for when pressing scram button, by the power-off at once of described Hydraulic Pump charge valve, described Hydraulic Pump charge valve is quit work at once, simultaneously by the power-off at once of described Hydraulic Pump electrical motor, described Hydraulic Pump electrical motor is quit work at once.
Alternatively, described urgency stops control circuit, comprising: suddenly stopping safety protection circuit, for when pressing scram button, cutting off the time delay circuit of described Hydraulic Pump electrical motor.
In embodiments of the present invention, adopt relay control mode and PLC (Programmable LogicController, programmable logic controller (PLC)) mode, by controlling the handing device of piggyback transport car, the corresponding actions mechanism of handing device is made to carry out action according to predetermined order, reach and the object that automatically controls is carried out to piggyback transport car handing device, and then solve railway piggyback transport car handing device in correlation technique and cannot realize the technical matters of automatic operation.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is according to the optional a kind of railway piggyback transport car handing device control method FB(flow block) of the embodiment of the present invention;
Fig. 2 is according to the optional a kind of railway piggyback transport car handing device control setup structured flowchart of the embodiment of the present invention;
Fig. 3 is according to the optional Hydraulic Pump electrical motor of the embodiment of the present invention and charge valve control circuit constructional drawing;
Fig. 4 is according to the optional feed circuit of the embodiment of the present invention and Hydraulic Pump electrical motor major loop structure figure;
Fig. 5 is according to the embodiment of the present invention optional solenoid control loop structure figure;
Fig. 6 is according to the embodiment of the present invention optional cam activated switch Control timing sequence figure;
Fig. 7 is according to the optional another kind of Hydraulic Pump electrical motor of the embodiment of the present invention and charge valve control circuit figure;
Fig. 8 is according to the optional PLC control structure figure of the embodiment of the present invention;
Fig. 9 is according to the embodiment of the present invention optional cam activated switch integrated manipulator constructional drawing;
Figure 10 according to the optional PLC of the embodiment of the present invention to the control flow chart of electromagnetic valve;
Figure 11 is according to the optional proportional solenoid valve control function structure chart of the embodiment of the present invention.
Detailed description of the invention
The present invention program is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a part of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
Fig. 1 is according to the optional a kind of railway piggyback transport car handing device control method FB(flow block) of the embodiment of the present invention.
As shown in Figure 1, the railway piggyback transport car handing device control method in the embodiment of the present invention comprises:
S102: connect Hydraulic Pump motor control loop;
S104: primer fluid press pump electrical motor entry into service;
S106: delayed firing Hydraulic Pump charge valve, makes hydraulic oil enter oil circuit control;
S108: open corresponding electromagnetic valve according to predefined procedure, makes the corresponding actions mechanism of described handing device carry out action according to predetermined order.
Fig. 2 is according to the optional a kind of railway piggyback transport car handing device control setup structured flowchart of the embodiment of the present invention.
As shown in Figure 2, railway piggyback transport car handing device control setup in the embodiment of the present invention comprises: Hydraulic Pump motor control loop 1, be connected with the Hydraulic Pump electrical motor 2 of the Hydraulic Pump driving construct for handling action, operate for starting and hydraulic control pump motor 2; Hydraulic Pump charge valve 3, is connected with Hydraulic Pump 4, for the oil circuit output hydraulic pressure oil of hydraulic control pump 4; Charge valve control loop 5, is connected with Hydraulic Pump charge valve 3, for starting and hydraulic control pump charge valve 3; Electromagnetic valve 6, is connected with each actuating mechanism of Hydraulic Pump charge valve 3 and handing device, and each actuating mechanism that the hydraulic oil for the conveying of receiving liquid press pump charge valve 3 controls described handing device carries out action according to predetermined order; Solenoid control loop 7, is connected with electromagnetic valve 6, opens or closes according to predetermined order for Controlling solenoid valve.
The embodiment of the present invention, by controlling the handing device of piggyback transport car, makes the corresponding actions mechanism of handing device carry out action according to predetermined order.Reach and the object that automatically controls is carried out to piggyback transport car handing device, and then solve railway piggyback transport car handing device in correlation technique and cannot realize the technical matters of automatic operation.
Embodiment 1:
Fig. 3 is according to the optional Hydraulic Pump electrical motor of the embodiment of the present invention and charge valve control circuit constructional drawing.
The present embodiment realizes the control to railway piggyback transport car handing device by relay circuit, as shown in Figure 3, comprise the first interlock circuit and latching circuit, after when pressing starter button SB1-1 or SB2-1, by relay K A2, the starter button SB1-1 and SB2-1 Hydraulic Pump motor control loop that Hydraulic Pump electrical motor are carried out to bilateral control interlock by normally closed contact KA2-1 and KA3-1 of KA3, simultaneously by relay K A2, the open contact KA2-1 of KA3 by SB1-1 self-locking and, SB2-1 self-locking will be distinguished by the open contact KA3-1 of relay K A3, thus realize the difference self-locking of wherein side, both sides control box, make the control box operation of wherein side effectively.Simultaneously, when pressing starter button SB1-1 or SB2-1, relay K A2 or KA3 obtains electric, thus open contact KA2-2 or KA3-2 of relay K A2 or KA3 is closed, the coil of time relay KT2, KT3 is obtained electric, wherein, KT2 is on-delay type time relay, and KT3 is power cut off delay type time relay, so, the open contact KT3-1 of KT3 is at once closed, connects Hydraulic Pump motor control loop, performs the preparation of starting.
Fig. 4 is according to the optional feed circuit of the embodiment of the present invention and Hydraulic Pump electrical motor major loop structure figure.
As shown in Figure 4, Hydraulic Pump motor control loop is provided with Phase sequence detection element KZ1, KZ2 and pile defection element KZ3, close a main switch after QF1 and QF2, first the three phase mains whether phase shortage of Hydraulic Pump electrical motor is detected by pile defection element KZ3, namely a phase or two-phase is had not to connect in three phase mains, when open phases of three-phase power source, as shown in Figure 3, pile defection element KZ3 controller open contact KZ3 does not close, thus it is electric to make the coil of relay K A1 obtain, thus the open contact KA1-1 of relay K A1 is not closed, then Hydraulic Pump motor control loop is made cannot to obtain electric starting, play open-phase protection effect.When Hydraulic Pump electrical motor three phase mains not phase shortage, Hydraulic Pump motor control loop can be connected smoothly.Now, the three-phase power supply phase sequence being detected Hydraulic Pump electrical motor by Phase sequence detection element KZ1 and KZ2 is cw or conter clockwise, Phase sequence detection element is connected with phase sequence control circuit, when the three-phase power supply phase sequence of Hydraulic Pump electrical motor is cw, Phase sequence detection element KZ1 controls its open contact KZ1 and closes, the coil of contactless switch KM1 is made to obtain electric and make its open contact KM1 closed connection electrical motor major loop, when the three-phase power supply phase sequence of Hydraulic Pump electrical motor is conter clockwise, Phase sequence detection element KZ1 and KZ2 is all failure to actuate, its normally closed contact KZ1 and KZ2 makes contactless switch KM2 adhesive and its open contact KM2 is closed to be connected by electrical motor major loop, reach the object automatically controlling phase sequence self-starting motor.Now, slug relay KT2 makes after time delay that its open contact KT2-1 is closed makes Hydraulic Pump charge valve YV0b time delay obtain electric, realizes delayed firing Hydraulic Pump charge valve.
Fig. 5 is according to the embodiment of the present invention optional solenoid control loop structure figure.
As shown in Figure 5, after Hydraulic Pump electrical motor and Hydraulic Pump charge valve have started, because relay K A2 coil is in attracting state, therefore, the open contact KA2-4's of KA2 is closed, and the indicator lamp HL1-1 of the first cam activated switch is lighted.Solenoid control loop includes the second interlock circuit, now relay K A8 coil not electric, realized the interlocking of the first cam activated switch and the second cam activated switch SA1-2 by its open contact KA8-3, KA8-4 and normally closed contact KA8-2, KA8-3.As shown in Figure 5, first cam activated switch SA1-1 is connected with the first electromagnetic valve YV1a, the second electromagnetic valve YV2a, the 3rd electromagnetic valve YV4a, the 4th electromagnetic valve YV6, the 5th electromagnetic valve YV7, the 6th electromagnetic valve YV8, the 7th electromagnetic valve YV4b and the 8th electromagnetic valve YV2b respectively, for controlling the opening procedure of described construct for handling; Second cam activated switch SA1-2 is connected with the second electromagnetic valve YV2a, the 3rd electromagnetic valve YV4a, the 4th electromagnetic valve YV6, the 5th electromagnetic valve YV7, the 6th electromagnetic valve YV8, the 7th electromagnetic valve YV4b, the 8th electromagnetic valve YV2b and the 9th electromagnetic valve YV1b respectively, for controlling the removal process of construct for handling.First electromagnetic valve YV1a, the second electromagnetic valve YV2a, the 3rd electromagnetic valve YV4a, the 7th electromagnetic valve YV4b, the 8th electromagnetic valve YV2b and the 9th electromagnetic valve YV1b are powered by conversion electric power GV1, namely DC24V power supply is provided, 4th electromagnetic valve YV6, the 5th electromagnetic valve YV7 and the 6th electromagnetic valve YV8 are proportion magnetic valve, powered by conversion electric power GV2, namely DC ± 10V power supply is provided.
Fig. 6 is according to the embodiment of the present invention optional cam activated switch Control timing sequence figure.
As shown in Figure 5 and Figure 6, during concrete operations, the first step, rotate the first cam activated switch SA1-1 from 0 to 1, represent the 1st step action of operation handing device, connect the 1-2 contact of the first cam activated switch, carry out the preparation of opening the first electromagnetic valve YV1a, then press " action executing " button SB1-2, then the first electromagnetic valve YV1a energized action, the end bracing or strutting arrangement of handing device is dropped on rail of railway handing device is supported; Second step, rotates the first cam activated switch SA1-1 from 1 to 2, then connects the 5-6 contact of the first cam activated switch, and now the second electromagnetic valve YV2a action makes the slide unit of handing device launch; 3rd step, rotates the first cam activated switch SA1-1 from 2 to 3, then connects the 9-10 contact of the first cam activated switch, and now the 3rd electromagnetic valve YV4a action makes the slide unit bracing or strutting arrangement of slide unit end drop on ground to be supported by slide unit; Because the 4th electromagnetic valve YV6, the 5th electromagnetic valve YV7, the 6th electromagnetic valve YV8 are powered by conversion electric power GV2, therefore the 4th step, rotate the first cam activated switch SA1-1 from 3 to 4, operating handle RP1 compounding practice is needed after connecting the 13-14 contact of the first cam activated switch, because relay K A8 is not operating, 4th electromagnetic valve is connected and is carried out action by its normally closed contact KA8-3, makes the concave bottom frame of handing device rise to rotary position; 5th step, rotates the first cam activated switch SA1-1 from 4 to 5, connects the 15-16 contact of the first cam activated switch, and now the 5th electromagnetic valve is connected, and concave bottom frame is rotated along slide unit and launches; 6th step, rotates the first cam activated switch SA1-1 from 5 to 6, connects the 17-18 contact of the first cam activated switch, and the 6th electromagnetic valve is connected and made the concave bottom frame of handing device drop to ground; 6th step, rotates the first cam activated switch SA1-1 from 6 to 7, connects the 3-4 contact of the first cam activated switch, and the 7th electromagnetic valve YV4b connects and makes the slide unit bracing or strutting arrangement of slide unit end increase, thus makes slide unit depart from floor support conditions; 7th step, rotate the first cam activated switch SA1-1 from 7 to 8, connect the 7-8 contact of the first cam activated switch, control the 8th electromagnetic valve YV2b to connect, slide unit is regained, after slide unit is regained, can start entrucking, transport truck or container truck directly reach on railway carriage along the concave bottom frame fallen to the ground.After completing the handling of transport truck or container car, namely need the removal process starting handing device.8th step, when rotating the first cam activated switch SA1-1 from 9 to 0, its 11-12 closing of contact 1 time, relay K A8 coil is made to obtain electric adhesive, thus make its open contact KA8-1 closed and self-locking, now, first cam activated switch SA1-1 is due to the normally closed contact KA8-2 of KA8, KA8-3 disconnect and invalid, second cam activated switch SA1-2 is due to the open contact KA8-3 of KA8, KA8-4 is closed and effectively, the open contact KA8-2 of KA8 closes and the indicator lamp HL1-2 of the second cam activated switch SA1-2 is lighted simultaneously, and the normally closed contact KA8-1 of KA8 makes the indicator lamp HL1-1 of the first cam activated switch SA1-1 knock out, thus by the operation transformation of the first cam activated switch SA1-1 to the second cam activated switch SA1-2, start the removal process of handing device.
First, 9th step, rotate the second cam activated switch SA1-2 from 0 to 9, represent the 9th step action of operation handing device, connect the 1-2 contact of the second cam activated switch SA1-2, carry out the preparation of opening the second electromagnetic valve YV2a, again, press " action executing " button SB1-2, then the second electromagnetic valve YV2a energized action, makes slide unit again launch; Tenth step, rotates the second cam activated switch SA1-2 from 9 to 10, connects the 5-6 contact of the second cam activated switch, controls the 3rd electromagnetic valve YV4a and connects, the slide unit bracing or strutting arrangement of slide unit end is dropped on ground and is supported by described slide unit; 11 step, rotates the second cam activated switch SA1-2 from 10 to 11, connects the 9-10 contact of the second cam activated switch, controls the 4th electromagnetic valve and connects, make the concave bottom frame of handing device rise to rotary position; 12 step, rotates the second cam activated switch SA1-2 from 11 to 12, connects the 13-14 contact of the second cam activated switch, controls the 5th electromagnetic valve and connects, and concave bottom frame is rotated along slide unit and regains; 13 step, rotates the second cam activated switch SA1-2 from 12 to 13, connects the 15-16 contact of the second cam activated switch, controls the 6th electromagnetic valve and connects, make concave bottom frame drop to the normal position of handing device, carry out loopback; 11,12,13 step actions need to send action command by operating handle RP1.14 step, rotates the second cam activated switch SA1-2 from 13 to 14, connects the 17-18 contact of the second cam activated switch, controls the 7th electromagnetic valve YV4b and connects, make the slide unit bracing or strutting arrangement of slide unit end increase, thus makes slide unit depart from floor support conditions; 15 step, rotates the second cam activated switch SA1-2 from 14 to 15, connects the 3-4 contact of the second cam activated switch, controls the 8th electromagnetic valve YV2b and connects, slide unit is regained; 16 step, rotates the second cam activated switch SA1-2 from 15 to 16, connects the 7-8 contact of the second cam activated switch, controls the 9th electromagnetic valve YV1b, makes the end bracing or strutting arrangement of handing device increase, departs from rail of railway, complete handing device and return the vehicle to the garage and knock off.
In like manner, after cw operation the nine to ten six step, when operation second cam activated switch SA1-2 is by 17 to 0, the 11-12 closing of contact of the second cam activated switch SA1-2 1 time, the self-locking circuit making the coil of relay K A9 obtain electric its normally closed contact of suction merga pass KA9-1 disconnection KA8 makes relay K A8 dead electricity, now, second cam activated switch SA1-2 is due to the open contact KA8-3 of KA8, KA8-4 disconnect and invalid, first cam activated switch SA1-1 is due to the normally closed contact KA8-2 of KA8, KA8-3 resets and effectively, simultaneously KA8 normally closed contact KA8-1 recovery and the indicator lamp HL1-1 of the first cam activated switch SA1-1 is lighted, the recovery of KA8 open contact KA8-2 makes the indicator lamp HL1-2 of the second cam activated switch SA1-2 go out, operating and being transformed into the first cam activated switch SA1-1 by the second cam activated switch SA1-2 is that handling process is next time ready.
When normally stopping after handing device action completes, make relay K A2 power-off or press stop button SS2 to make relay K A3 power-off by the stop button SS1 pressed in normal stopping control circuit, relay K A2 or KA3 power-off make the coil losing electricity of time relay KT2, KT3, now, the open contact KT2-1 of on-delay type relay K T2 disconnects at once, makes Hydraulic Pump charge valve YV0b dead electricity at once; The time delay open contact KT3-1 of power cut off delay type relay K T3 disconnects after time delay simultaneously, by Hydraulic Pump motor control contactless switch KM1 or KM2 power-off, reaches the object of time delay stop solution press pump electrical motor.
At some in particular cases, need to make Hydraulic Pump electrical motor and Hydraulic Pump charge valve emergent stopping, now, by press anxious stop emergency stop switch SE1 in control circuit or SE2 time, normally closed contact SE1-2 or SE2-2 of emergency stop switch SE1 or SE2 is disconnected all Hydraulic Pump electrical motors and charge valve control circuit at once, wherein the Chang Kaiyankai contact KT2-1 of KT2 is at once by the power-off of Hydraulic Pump charge valve, simultaneously Hydraulic Pump motor control contactless switch KM1 or KM2 also power-off at once make Hydraulic Pump motor stall.Because KT3 is power cut off delay type relay, for preventing in the time delay of KT3, because people is for maloperation causes emergency stop switch SE1 or SE2 to turn and when recovering, KT3 open contact KT3-1 is in non-off-state and causes KM1 or KM2 to obtain electric adhesive, thus make Hydraulic Pump electrical motor can recover to start, cause the generation of unsafe condition.Based on this, suddenly stop control circuit and add and suddenly stop safety protection circuit accordingly, suddenly stopping safety protection circuit comprises time relay KT1, and KT1 is connected with open contact SE1-1 and SE2-1 of emergency stop switch SE1 and SE2 respectively.When pressing emergency stop switch or SE2, it is electric that the open contact SE2-1 of open contact SE1-1 or SE2 of SE1 makes KT1 coil obtain, the normally closed delayed contact KT1-1 of KT1 disconnects at once, when the action occurring recovering emergency stop switch SE1 or SE2 occurs, delay time due to KT1 is greater than KT3 delay time, ensures that contactless switch KM1 or KM2 can not action and produce danger.
Embodiment 2:
Fig. 7 is according to the optional another kind of Hydraulic Pump electrical motor of the embodiment of the present invention and charge valve control circuit figure.
The present embodiment realizes the control to railway piggyback transport car handing device by PLC, as shown in Figure 7, after pressing starter button SB1-1 or starter button SB2-1, make relay K A1 or KA2 adhesive, the normally closed contact KA2-1 of normally closed contact KA1-1 and KA2 of KA1 makes KA1, KA2 interlocks, the open contact KA1-3 of KA1 makes KA1 self-locking, the open contact KA2-3 of KA2 makes KA2 self-locking, the open contact KA1-1 of KA1, the open contact KA2-1 of KA1-2 or KA2, KA2-2 makes constant voltage power suspply GV1 obtain electric work, 220V alternating current is converted to 24V direct current (DC) power as PLC.Because PLC also adopts bilateral to control, and both sides operating mode is identical, and the following mode of operation to wherein side is introduced.
Fig. 8 is according to the optional PLC control structure figure of the embodiment of the present invention.
As shown in Figure 8, after PLC obtains electric self-inspection, the open contact KA1-4 due to KA1 closes and makes the DI contact of the XM3.16 of PLC have incoming signal, PLC power work self-inspection, carries out fault detection subsequently.Pile defection is carried out by pile defection element KZ2; when open phases of three-phase power source, KZ2 controls its open contact KZ2-1 and does not close, thus makes the DI contact of the XM1.20 of PLC not have incoming signal; Hydraulic Pump motor control loop cannot obtain electric starting, plays open-phase protection effect.When Hydraulic Pump electrical motor three phase mains not phase shortage, Hydraulic Pump motor control loop can be connected smoothly.Now, whether the three-phase power supply phase sequence being detected Hydraulic Pump electrical motor by Phase sequence detection element KZ1 is correct, when phase sequence is cw, the open contact KZ1-1 of Phase sequence detection relay K Z1 closes, when phase sequence is conter clockwise, do not close, so the DI contact signal of the XM1.19 of PLC has two states, after being judged by program, control relay KA3 or KA4 coil obtain electric adhesive respectively, as shown in Figure 7, and open contact KA3-1 or KA4-1 of these 2 relays makes KM1 or KM2 adhesive by different phase sequence respectively, thus make Hydraulic Pump electrical motor turn to starting according to correct, the normally closed contact KM2-1 of normally closed contact KM1-1 and KM2 of KM1 is used for realizing KM1 and KM2 interlocking.Subsequently, the time delay of PLC programming control makes Hydraulic Pump charge valve YV0b obtain electric work after 5 seconds, complete starting process.
Fig. 9 is according to the embodiment of the present invention optional cam activated switch integrated manipulator constructional drawing.
Figure 10 according to the optional PLC of the embodiment of the present invention to the control flow chart of electromagnetic valve.
As shown in Figure 9, first cam activated switch SA1-1 and the second cam activated switch SA1-2 is integrated together by cam activated switch integrated manipulator, the input of the first cam activated switch SA1-1 and the second cam activated switch SA1-2, export and be converted into CANBUS signal by this cam activated switch integrated manipulator and communicate with PLC, as shown in Figure 10, carried out controlling different actions according to program by PLC.Concrete control process, with embodiment 1, does not repeat them here.
Figure 11 is according to the optional proportional solenoid valve control function structure chart of the embodiment of the present invention.
As shown in figure 11,4th electromagnetic valve YV6, the 5th electromagnetic valve YV7 and the 6th electromagnetic valve YV8 are proportion magnetic valve, for controlling the action of concave bottom frame, the present embodiment adopts TDAXO30501 type I/O control module to carry out the control of proportion magnetic valve, this control module is communicated with PLC by CANBUS bus, ± 10V continually varying power supply signal can be exported according to the output signal of PLC, control the action of the 4th electromagnetic valve YV6, the 5th electromagnetic valve YV7 and the 6th electromagnetic valve YV8 respectively, complete the action hoisting, rotate of concave bottom frame.
When normally stopping after handing device action completes, as shown in Figure 9, by pressing stop button SB1-2 or SB1-3 on cam activated switch integrated manipulator, by program first stop solution press pump add valve YV0b, time delay stops the relay K A3 that controls Hydraulic Pump electrical motor or KA4 to power again, make the recovery of KA3 or KA4 open contact KA3-1 or KA4-1, thus make Hydraulic Pump motor control contactless switch KM1 or KM2 power-off, thus Hydraulic Pump electrical motor is quit work after time delay.
When needs make Hydraulic Pump electrical motor and Hydraulic Pump charge valve emergent stopping, press scram button SE1 or SE2, make relay K A1 or KA2 dead electricity, and then open contact KA2-1, KA2-2 of open contact KA1-1, KA1-2 or KA2 of KA1 are disconnected, make constant voltage power suspply GV1 dead electricity, thus making PLC power-off, KM1, KM2 dead electricity, makes Hydraulic Pump electrical motor quit work at once simultaneously.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (21)
1. a railway piggyback transport car handing device control method, is characterized in that, comprising:
Connect Hydraulic Pump motor control loop;
Start the entry into service of described Hydraulic Pump electrical motor;
Delayed firing Hydraulic Pump charge valve, makes hydraulic oil enter oil circuit control;
Open corresponding electromagnetic valve according to predefined procedure, make the corresponding actions mechanism of described handing device carry out action according to predetermined order.
2. method according to claim 1, is characterized in that, before connection Hydraulic Pump motor control loop, comprising:
Detect described Hydraulic Pump motor power whether phase shortage, and disconnect described Hydraulic Pump motor control loop when described Hydraulic Pump motor power phase shortage.
3. method according to claim 1, is characterized in that, connects described Hydraulic Pump motor control loop, comprising:
Two master cocies being used for carrying out described Hydraulic Pump electrical motor the described Hydraulic Pump motor control loop of bilateral control are interlocked.
4. method according to claim 1, is characterized in that, described connection Hydraulic Pump motor control loop, comprising:
Two master cocies being used for carrying out described Hydraulic Pump electrical motor the described Hydraulic Pump motor control loop of bilateral control are carried out self-locking respectively.
5. method according to claim 1, is characterized in that, before the entry into service of described primer fluid press pump electrical motor, comprising:
Detecting described Hydraulic Pump motor power phase sequence is cw or conter clockwise, and according to the testing result of described Hydraulic Pump motor power phase sequence, starts the entry into service of described Hydraulic Pump electrical motor.
6. method according to claim 1, is characterized in that, describedly opens corresponding electromagnetic valve according to predefined procedure, makes the corresponding actions mechanism of described handing device carry out action according to predetermined order, comprising:
Handing device opening procedure:
Control the first electromagnetic valve, the end bracing or strutting arrangement of described handing device is dropped on rail of railway handing device is supported;
Control the second electromagnetic valve, the slide unit of described handing device is launched;
Control the 3rd electromagnetic valve, the slide unit bracing or strutting arrangement of described slide unit end is dropped on ground slide unit is supported;
Control the 4th electromagnetic valve, make the concave bottom frame of described handing device rise to rotating position;
Control the 5th electromagnetic valve, described concave bottom frame is rotated along described slide unit and launches;
Control the 6th electromagnetic valve, make the concave bottom frame of described handing device drop to ground;
Control the 7th electromagnetic valve, make the slide unit bracing or strutting arrangement of described slide unit end increase, thus make slide unit depart from floor support conditions;
Control the 8th electromagnetic valve, described slide unit is regained;
Handing device removal process:
Control described second electromagnetic valve, described slide unit is launched;
Control described 3rd electromagnetic valve, the described slide unit bracing or strutting arrangement of described slide unit end is dropped on ground described slide unit is supported;
Control described 4th electromagnetic valve, make the described concave bottom frame of described handing device rise to rotary position;
Control described 5th electromagnetic valve, described concave bottom frame is rotated along described slide unit and regains;
Control described 6th electromagnetic valve, make described concave bottom frame drop to the normal position of described handing device, carry out loopback;
Control described 7th electromagnetic valve, make the described slide unit bracing or strutting arrangement of described slide unit end increase, thus make slide unit depart from floor support conditions;
Control described 8th electromagnetic valve, described slide unit is regained;
Control the 9th electromagnetic valve, make the described end bracing or strutting arrangement of described handing device increase, depart from described rail of railway, complete and return the vehicle to the garage and knock off.
7. method according to claim 6, is characterized in that, will control the first cam activated switch of described handing device opening procedure and control the second cam activated switch self-locking and mutually interlocking respectively of described handing device removal process.
8. method according to claim 1, is characterized in that, describedly opens corresponding described electromagnetic valve according to predefined procedure, makes after the corresponding actions mechanism of described handing device carries out action according to predetermined order, to comprise:
When pressing normal stop button, by the power-off at once of described Hydraulic Pump charge valve, described Hydraulic Pump charge valve being quit work at once, simultaneously by described Hydraulic Pump electrical motor delay cut-off, described Hydraulic Pump electrical motor being quit work after time delay.
9. method according to claim 1, is characterized in that, describedly opens corresponding described electromagnetic valve according to predefined procedure, makes after the described corresponding actions mechanism of described handing device carries out action according to predetermined order, also to comprise:
When pressing scram button, by the power-off at once of described Hydraulic Pump charge valve, described Hydraulic Pump charge valve being quit work at once, simultaneously by the power-off at once of described Hydraulic Pump electrical motor, described Hydraulic Pump electrical motor being quit work at once.
10. method according to claim 9, is characterized in that, by the power-off at once of described Hydraulic Pump electrical motor, after described Hydraulic Pump electrical motor is quit work at once, comprising:
Cut off the time delay circuit of described Hydraulic Pump electrical motor.
11. 1 kinds of railway piggyback transport car handing device control setups, is characterized in that, comprise
Hydraulic Pump motor control loop, is connected with the Hydraulic Pump electrical motor of the Hydraulic Pump driving described construct for handling action, for starting and controlling described Hydraulic Pump motor operation;
Hydraulic Pump charge valve, is connected with described Hydraulic Pump, for controlling the oil circuit output hydraulic pressure oil of described Hydraulic Pump;
Charge valve control loop, is connected with described Hydraulic Pump charge valve, for starting and controlling described Hydraulic Pump charge valve;
Electromagnetic valve, is connected with each actuating mechanism of described Hydraulic Pump charge valve and described handing device, for receive described Hydraulic Pump charge valve conveying hydraulic oil control described handing device each described in actuating mechanism carry out action according to predetermined order;
Solenoid control loop, is connected with described electromagnetic valve, opens or closes according to predetermined order for controlling described electromagnetic valve.
12. devices according to claim 11, is characterized in that, described Hydraulic Pump motor control loop, comprising:
Pile defection device, for detecting described Hydraulic Pump motor power whether phase shortage, and disconnects described Hydraulic Pump motor control loop when described Hydraulic Pump motor power phase shortage.
13. devices according to claim 11, is characterized in that, described Hydraulic Pump motor control loop, also comprises:
First interlock circuit, for interlocking two master cocies in the described Hydraulic Pump motor control loop of described Hydraulic Pump electrical motor being carried out to bilateral control.
14. devices according to claim 11, is characterized in that, described Hydraulic Pump motor control loop, also comprises:
Latching circuit, for carrying out self-locking respectively by two master cocies in the described Hydraulic Pump motor control loop of described Hydraulic Pump electrical motor being carried out to bilateral control.
15. devices according to claim 11, is characterized in that, described Hydraulic Pump motor control loop, also comprises:
Phase sequence detection element is cw or conter clockwise for detecting described Hydraulic Pump motor power phase sequence.
16. devices according to claim 15, is characterized in that, described Hydraulic Pump motor control loop, also comprises:
Phase sequence control circuit, for receiving the Phase sequence detection result of described Phase sequence detection element, and according to the testing result of described Hydraulic Pump motor power phase sequence, controls to start the entry into service of described Hydraulic Pump electrical motor.
17. devices according to claim 15, is characterized in that, described solenoid control loop, comprising:
First cam activated switch, is connected with the first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve, the 4th electromagnetic valve, the 5th electromagnetic valve, the 6th electromagnetic valve, the 7th electromagnetic valve and the 8th electromagnetic valve, respectively for controlling the opening procedure of described construct for handling;
Second cam activated switch, be connected, for controlling the removal process of described construct for handling with described second electromagnetic valve, described 3rd electromagnetic valve, described 4th electromagnetic valve, described 5th electromagnetic valve, described 6th electromagnetic valve, described 7th electromagnetic valve, described 8th electromagnetic valve and the 9th electromagnetic valve respectively.
18. devices according to claim 17, is characterized in that, described solenoid control loop, also comprises:
Second interlock circuit, for interlocking described first cam activated switch and described second cam activated switch.
19. devices according to claim 11, is characterized in that, also comprise:
Normal stopping control circuit, be connected with described Hydraulic Pump motor control loop and described charge valve control loop respectively, for when pressing normal stop button, by the power-off at once of described Hydraulic Pump charge valve, described Hydraulic Pump charge valve is quit work at once, simultaneously by described Hydraulic Pump electrical motor delay cut-off, described Hydraulic Pump electrical motor is quit work after time delay.
20. devices according to claim 11, is characterized in that, also comprise:
Suddenly stop control circuit, be connected with described Hydraulic Pump motor control loop and described charge valve control loop respectively, for when pressing scram button, by the power-off at once of described Hydraulic Pump charge valve, described Hydraulic Pump charge valve is quit work at once, simultaneously by the power-off at once of described Hydraulic Pump electrical motor, described Hydraulic Pump electrical motor is quit work at once.
21. devices according to claim 20, is characterized in that, described urgency stops control circuit, comprising:
Suddenly stopping safety protection circuit, for when pressing scram button, cutting off the time delay circuit of described Hydraulic Pump electrical motor.
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| CN201510003141.3A CN104590301B (en) | 2015-01-05 | 2015-01-05 | Railway piggyback transport car charging crane control method and device |
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| CN201510003141.3A CN104590301B (en) | 2015-01-05 | 2015-01-05 | Railway piggyback transport car charging crane control method and device |
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| CN104590301B (en) | 2017-10-03 |
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