CN111273602A - Circuit control system of embedded medium-low speed maglev train maintenance platform - Google Patents
Circuit control system of embedded medium-low speed maglev train maintenance platform Download PDFInfo
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- CN111273602A CN111273602A CN202010075230.XA CN202010075230A CN111273602A CN 111273602 A CN111273602 A CN 111273602A CN 202010075230 A CN202010075230 A CN 202010075230A CN 111273602 A CN111273602 A CN 111273602A
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- control system
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- 238000012423 maintenance Methods 0.000 title claims abstract description 25
- 238000002955 isolation Methods 0.000 claims description 4
- 230000004224 protection Effects 0.000 abstract description 12
- 238000010276 construction Methods 0.000 abstract description 3
- 239000000725 suspension Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/058—Safety, monitoring
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a circuit control system of an embedded medium-low speed maglev train maintenance platform. The whole circuit control system is provided with multiple protections such as safety protection, overload protection, emergency protection and the like; under the prerequisite of guaranteeing the whole system operation safety and stability efficient, practiced thrift whole circuit control system's construction cost greatly, also provide tangible effectual assurance for embedded low-speed maglev train maintenance platform safe operation simultaneously.
Description
Technical Field
The invention belongs to the field of circuit control, and particularly relates to a circuit control system of an embedded medium-low speed maglev train maintenance platform.
Background
The maintenance platform of the embedded medium-low speed maglev train is mainly used for work such as the assembly of the embedded maglev train, the transfer to a trial transport line after the assembly of the embedded maglev train, the maintenance of the maglev train and the like, a tool main body is divided into a skid and a maintenance support, the skid can drive the maglev train to move on a track of the maintenance support, and a hydraulic lifting system, a motor driving system, an electric control system, a limit switch and the like are integrated.
The magnetic suspension train takes 3 carriages as a marshalling, the length of each carriage is 12 meters, the weight of each carriage is about 20 tons, and the total weight of the 3 carriages is about 60 tons.
Under the working condition of the magnetic suspension train, the train body is suspended in the magnetic field environment, and the magnetic suspension train has self-walking capability only under the electromagnetic field environment. When the maglev train needs to be overhauled, the power needs to be cut off, and the maglev train is separated from the embedded magnetic field environment, so that the maglev train can be transported to a maintenance platform only by the transport trolley with self-walking energy. After the transport trolley reaches the maintenance position, the electric bolt is started to lock the transport trolley, and position switches are arranged at the upper limit position and the lower limit position of the electric bolt; when the transport trolley is locked, a support plate of the hydraulic lifting device is manually inserted to the innermost side, and the hydraulic lifting device is provided with an inner limit position switch and an outer limit position switch; when all the supporting plates are arranged at the innermost side to excite all the inner limit switches, starting the hydraulic motor to charge the oil cylinders of the lifting device, and lifting 3 carriages by 100 mm; when the hydraulic lifting device is lifted to the upper limit, the hydraulic motor stops working; starting a walking driving motor to drive the transport trolley away; when the transport trolley is driven out, the electric control system and the magnetic suspension system at the bottom of the magnetic suspension train can be maintained.
Disclosure of Invention
The invention aims to provide a circuit control system of an embedded medium-low speed maglev train maintenance platform, aiming at the defects of the prior art.
A circuit control system of an embedded medium-low speed maglev train maintenance platform comprises a main air switch, an equipment output motor, an in-place indication circuit, a PLC and a lifting module; the main air switch is connected with an equipment output motor through an air breaker, and an isolation transformer, a WeChat breaker and a switch power supply are arranged between the main air switch and the PLC.
Further, the system also comprises a system input power supply and a front end instruction, wherein the system input power supply adopts three-phase power input.
Furthermore, the lifting module comprises a plurality of inner limit switches, a plurality of outer limit switches and a plurality of lifting lock limit switches.
Furthermore, the equipment output motor comprises a hydraulic motor and a walking motor, the hydraulic motor is started by adopting a star-delta, and the walking motor is driven by a frequency converter.
Further, the frequency converter adopts an SEW frequency converter.
Furthermore, the PLC is an ohm dragon PLC with the model of CP1E-60 SDR-A.
The invention has the beneficial effects that: the whole circuit control system is provided with multiple protections such as safety protection, overload protection, emergency protection and the like; under the prerequisite of guaranteeing the whole system operation safety and stability efficient, practiced thrift whole circuit control system's construction cost greatly, also provide tangible effectual assurance for embedded low-speed maglev train maintenance platform safe operation simultaneously.
Drawings
FIG. 1 is a block diagram of the present invention.
FIG. 2 is a circuit diagram of a system input power supply according to an embodiment of the present invention.
FIG. 3 is a circuit diagram of an output motor of an apparatus according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a position indication control according to an embodiment of the present invention.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.
As shown in fig. 1-4, the circuit control system of the maintenance platform for the embedded medium-low speed maglev train consists of a main air switch, a system input power supply, an equipment output motor, an in-place indication, a PLC input, a PLC output, an inner limit switch, an outer limit switch and a lifting lock limit switch. The main air switch is connected with an equipment output motor through an air breaker, an isolation transformer, a WeChat breaker and a switch power supply are arranged between the main air switch and the PLC, and the PLC is connected with the lifting module. The PLC is an ohm dragon PLC with the model of CP1E-60 SDR-A.
The system input power is shown in fig. 2: the whole set of circuit system adopts a 380V power supply, the system is provided with a front-end power supply indicator lamp 1HL1, a three-phase power supply supplies power to the whole system after passing through a master control switch SQF1, 220V power is supplied to the whole system after being output by an isolation transformer through a miniature circuit breaker 1QF1, when a power supply starting switch 1SB2 is pressed down, the system power supply contactor 1KM1 is electrified to work after passing through a power supply closing switch 1SB3, a control cabinet emergency stop switch 1SB4, a magnetic suspension maintenance platform left emergency stop switch 1SB5 and a magnetic suspension maintenance platform left emergency stop switch 1SB6, wherein 1QF2 and 1QF3 are used for preventing the overcurrent of the system.
The device output motor is shown in fig. 3: the power of the hydraulic motor is 22KW, in order to reduce the influence of the motor starting on a power grid, the hydraulic motor is started by adopting a star-delta mode, the air circuit breaker 2QF1 adopts Schneider GV3P50, the main contactor adopts 2 Schneider LC1D32M7c, and the star-shaped contactor adopts Schneider LC1D18M7 c.
Two walking motors are driven by the German SEW frequency converter with higher safety, the DI phi 1 of the frequency converter is positive rotation, the positive rotation is connected through the normally open contact of the 8KA5 of the intermediate relay, the DI phi 2 is reverse rotation, the reverse rotation is connected through the normally open contact of the 8KA6 of the intermediate relay, the DI phi 3 is enabled by the frequency converter, and the frequency converter is enabled to be connected through the normally open contact of the 8KA2 of the intermediate relay. And Svi, sov, 24v and gnd realize safety function through 1KA1 access in a system circuit. Meanwhile, the + R and-R of the frequency converter are connected into a brake resistor to help the motor convert the regenerative electric energy generated by the motor due to rapid parking into heat energy.
The in-place indication control principle is shown in fig. 4, the locking pin after walking in place is designed into an electric push rod, and the action of the electric push rod is 8KA7 and 8KA8 to realize the forward and reverse rotation of the electric push rod.
The lifting module consists of 136 limit switches, the 136 limit switches are connected into the PLC in a grouping and serial connection mode, the logic relation is processed by a PLC program, meanwhile, the PLC program outputs the PLC program to the intermediate relay, and the intermediate relay outputs the PLC program to the panel indicating lamp.
The whole system circuit is simple and clear, the installation layout and the maintenance of the system are convenient, and the whole circuit control system is provided with multiple protections such as safety protection, overload protection, emergency protection and the like; under the prerequisite of guaranteeing the whole system operation safety and stability efficient, practiced thrift whole circuit control system's construction cost greatly, also provide tangible effectual assurance for embedded low-speed maglev train maintenance platform safe operation simultaneously.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A circuit control system of an embedded medium-low speed maglev train maintenance platform is characterized by comprising a main air switch, an equipment output motor, an in-place indicating circuit, a PLC and a lifting module; the main air switch is connected with an equipment output motor through an air breaker, an isolation transformer, a WeChat breaker and a switch power supply are arranged between the main air switch and the PLC, and the PLC is connected with the lifting module.
2. The circuit control system of the maintenance platform of the embedded medium-low speed maglev train according to claim 1, further comprising a system input power supply and a front end indication, wherein the system input power supply adopts a three-phase power input.
3. The circuit control system of an in-line mid-low speed maglev train maintenance platform of claim 1, wherein the lifting module comprises a plurality of inner limit switches, a plurality of outer limit switches, and a plurality of lift lock limit switches.
4. The circuit control system of the maintenance platform of the embedded medium-low speed maglev train as claimed in claim 1, wherein the output motor of the equipment comprises a hydraulic motor and a traveling motor, the hydraulic motor is started by a star-delta, and the traveling motor is driven by a frequency converter.
5. The circuit control system of the in-line maintenance platform for medium and low speed maglev trains according to claim 4, wherein the frequency converter is an SEW frequency converter.
6. The circuit control system of the in-line maintenance platform for the medium/low speed maglev train of claim 1, wherein the PLC is an ohron PLC having A model number CP1E-60SDR- A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010075230.XA CN111273602A (en) | 2020-01-22 | 2020-01-22 | Circuit control system of embedded medium-low speed maglev train maintenance platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010075230.XA CN111273602A (en) | 2020-01-22 | 2020-01-22 | Circuit control system of embedded medium-low speed maglev train maintenance platform |
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| Publication Number | Publication Date |
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| CN111273602A true CN111273602A (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010075230.XA Pending CN111273602A (en) | 2020-01-22 | 2020-01-22 | Circuit control system of embedded medium-low speed maglev train maintenance platform |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104495692A (en) * | 2014-12-12 | 2015-04-08 | 赵东 | Automobile elevator controller |
| CN107444240A (en) * | 2017-09-18 | 2017-12-08 | 王宝学 | Hydraulic lifting tail trigger structure and mobile vehicle maintenance service station |
| CN110439341A (en) * | 2019-09-04 | 2019-11-12 | 西南交通大学 | A kind of stereoscopic garage structure and application method of the intelligent parking maintenance of train |
| CN110642184A (en) * | 2019-09-26 | 2020-01-03 | 赛埃孚汽车保修设备（太仓）有限公司 | Electric control automobile lifting machine convenient to maintain and working method thereof |
| CN209904441U (en) * | 2019-01-16 | 2020-01-07 | 张宇飞 | Dismounting device for auto repair |
| CN212031992U (en) * | 2020-08-17 | 2020-11-27 | 四川新筑智能工程装备制造有限公司 | Circuit control system of embedded medium-low speed maglev train maintenance platform |
-
2020
- 2020-01-22 CN CN202010075230.XA patent/CN111273602A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104495692A (en) * | 2014-12-12 | 2015-04-08 | 赵东 | Automobile elevator controller |
| CN107444240A (en) * | 2017-09-18 | 2017-12-08 | 王宝学 | Hydraulic lifting tail trigger structure and mobile vehicle maintenance service station |
| CN209904441U (en) * | 2019-01-16 | 2020-01-07 | 张宇飞 | Dismounting device for auto repair |
| CN110439341A (en) * | 2019-09-04 | 2019-11-12 | 西南交通大学 | A kind of stereoscopic garage structure and application method of the intelligent parking maintenance of train |
| CN110642184A (en) * | 2019-09-26 | 2020-01-03 | 赛埃孚汽车保修设备（太仓）有限公司 | Electric control automobile lifting machine convenient to maintain and working method thereof |
| CN212031992U (en) * | 2020-08-17 | 2020-11-27 | 四川新筑智能工程装备制造有限公司 | Circuit control system of embedded medium-low speed maglev train maintenance platform |
Non-Patent Citations (1)
| Title |
|---|
| 傅八路: "日本高速列车及检修基地综述", 国外铁道车辆, no. 04, 30 August 1998 (1998-08-30) * |
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