CN109850764A - A kind of control system of shield machine segment crane - Google Patents
A kind of control system of shield machine segment crane Download PDFInfo
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- CN109850764A CN109850764A CN201811644670.1A CN201811644670A CN109850764A CN 109850764 A CN109850764 A CN 109850764A CN 201811644670 A CN201811644670 A CN 201811644670A CN 109850764 A CN109850764 A CN 109850764A
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- control
- crane
- shield machine
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- control system
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Abstract
The invention belongs to tunnel machine shield-tunneling construction fields, a kind of control system of tunnel piercing shield machine segment crane is provided, it is made of motor main circuit and control loop two parts, motor main circuit includes breaker, main contactor, relay, electric block, walking dolly etc.；Control loop includes rectifier transformer, intermediate relay, limit switch, has line traffic control handle, control device of wireless, programmable controller etc., the control loop combines the programmable controller PLC of shield machine master control system, digital quantity input and output number is added on the existing PLC of shield machine, realize section of jurisdiction crane system PLC control, the control system that one operational reliability is higher, repairs, debugs, more easily shield machine segment crane is transformed is provided.
Description
Technical field
The invention belongs to tunnel machine shield-tunneling construction field, it is related to a kind of tunnel piercing shield machine segment crane
Control system.
Background technique
In current tunnel machine shield-tunneling construction field, shield machine segment crane lifting handling section of jurisdiction control mode master
There are the entire hardware control in conjunction with relay and two kinds of software control in conjunction with programmable controller (PLC).
Section of jurisdiction crane entire hardware control: pass through electrical component breaker, contactor, intermediate relay, fuse, transformation
The hardware such as device, limit switch are respectively arranged on section of jurisdiction overhead crane control case and electric machine, to be achieved according to section of jurisdiction crane
Function action, to its all electrical component, logically sequential control carries out wiring, finally reaches electrical entire hardware control.Tradition
Entire hardware control mode has wiring complexity, high failure rate, the maintenance and debugging inconvenience of system, control system switch cabinet body product big
The deficiencies of.
Section of jurisdiction crane software control: replace traditional relay to control by programmable controller, use programmable controller
Software editing generates PLC program, and all logical order controls are realized with program, is inputted by PLC and exports digital output modul
Electrical equipment action is to reach the software control of section of jurisdiction crane.
Summary of the invention
The purpose of the present invention is be directed to existing six meters of medium-sized diameters only and the shield machine segment crane of only one group double-rail beam
The control mode of devices at full hardware relay in system, it is existing in shield machine master control room in order to avoid the deficiency of traditional entire hardware control
Programmable controller on add input and output control point, edit and shield machine segment crane PLC program be added to realize section of jurisdiction
The software control of crane, provides that an operational reliability is higher, maintenance, debugging, transformation more easily shield machine segment crane
Control system.
The purpose of the present invention is what is realized by following technical measures.
A kind of control system of shield machine segment crane, is made of, motor master motor main circuit and control loop two parts
Circuit includes breaker, main contactor, relay, electric block, walking dolly etc.；Control loop include rectifier transformer, in
Between relay, limit switch, have line traffic control handle, control device of wireless, programmable controller etc..The motor main circuit is in total
There are 4 motors, the left and right each electric block of double-rail beam and each walking dolly, wherein electric block is using double speed electricity
Machine, walking dolly use single-speed motor, and each motor matches corresponding brake module, control forward and backward, double speed electricity by contactor respectively
Machine switches high, low speed by relay, and the control loop mainly applies PLC digital quantity input module and digital output mould
Block by section of jurisdiction crane institute limit switches, has all switch numbers amounts of line traffic control handle, wireless receiving controller to be input to
PLC, through programmed logic operation by PLC output signal driving intermediate relay to control motor main circuit contactor coil and after
Whether electric apparatus coil obtains electric, the control of system motor forward and backward and motor high, low speed is realized, the control loop combines shield
Structure machine master control system PLC adds digital quantity input and output number according to section of jurisdiction overhead crane control demand.
Further, the control loop combination shield machine master control system PLC, according to section of jurisdiction overhead crane control demand addition 26
A digital input point and 11 digital quantity output points.
Further, 26 digital input points are by 8 limit signal points, 8 wireless receiving controller signals points, 10
It is made of line traffic control handle signaling point, in 11 digital quantity output points, 10 output points control the left and right crane of double-rail beam respectively
Up and down, advance, retrogressing, lifting high speed, 1 output point control section of jurisdiction crane emergency stop.
The control system of shield machine segment crane of the present invention is that one kind is suitable for six meters of medium-sized diameters only and only one group double
The use of the shield machine segment crane system control of beam-and-rail.It is fully hard to section of jurisdiction crane traditional relay that it is different from existing technology
Part control, this controls the programmable controller PLC for combining shield machine master control system, adds number on the existing PLC of shield machine
Word amount input and output number realizes section of jurisdiction crane system PLC control, this control system wiring can be made simple, runs more reliable, tune
Examination, maintenance, transformation are more convenient.
Detailed description of the invention
Fig. 1 is the control system general arrangement schematic of shield machine segment crane of the present invention.
Fig. 2 is left beam crane motor main circuit schematic diagram in the present invention.
Fig. 3 is control power distribution schematic diagram in the present invention.
Fig. 4 is left section of jurisdiction overhead crane control circuit theory figure in the present invention.
Fig. 5 is PLC digital quantity input module distribution schematic diagram in the present invention.
Fig. 6 is PLC digital output module distribution schematic diagram in the present invention.
Fig. 7 is PLC control logic program principle figure one in the present invention.
Fig. 8 is PLC control logic program principle figure two in the present invention.
Fig. 9 is PLC control logic program principle figure three in the present invention.
Figure 10 is PLC control logic program principle figure four in the present invention.
Specific embodiment
In order to be apparent to technological means of the invention, creation characteristic and purpose, the present invention is made below further
It illustrates.
As shown in Figure 1, left 1 power supply of electric block motor of the left beam of double-rail beam and left 2 power supply of movable motor and its cucurbit electricity
Limit 4 is wired to left section of jurisdiction crane JB1 conversion terminal box 3 before and after machine lifting limit, movable motor, then connects through left cable turntable 5
Line is to section of jurisdiction overhead crane control case 11, right 6 power supply of electric block motor of the right beam of double-rail beam and right 7 power supply of movable motor and its cucurbit
Limit 9 is wired to right section of jurisdiction crane JB2 conversion terminal box 8 before and after motor lifting limit, movable motor, then through right cable turntable 10
It is wired to section of jurisdiction control cabinet 11, then control cabinet coherent signal point is wired to shield machine main control room 12, in addition wireless receiving control
Device processed 13 with there is line traffic control handle 14 to be wired to main control room 12, finally by the entire section of jurisdiction crane of master control room PLC centralized control
System.
As shown in Fig. 2, three phase mains R/S/T is provided through system main breaker QF5 and emergency stop safeguard protection contactor KM9
Each motor main power source.Motor main power source R1/S1/T1 walks through the left 1 power switch QF1 of electric block of section of jurisdiction crane, left lateral small respectively
2 power switch QF2 of vehicle, then the control of motor forward and backward is realized by contactor KM1, KM2, KM3, KM4 respectively, wherein left electricity
Dynamic cucurbit lifting high, low speed passes through relay KA1 switching control respectively.Right section of jurisdiction overhead crane control principle is the same as left.
As shown in figure 3, taking out two-phase 380V power supply R0/S0 from level power supply after system master switch QF5, exchanges and become through 380V/48V
Depressor gives left and right section of jurisdiction overhead crane control power supply power supply respectively.
As shown in figure 4, being the shield machine segment crane system control loop schematic diagram of the present embodiment.Left section of jurisdiction crane passes through
PLC output module respectively drives intermediate relay 1KE0,1KE1,1KE2,1KE3,1KE4 coil, then is touched by intermediate relay
Point controls whether obtaining electric of each contactor coil, realizes the control of motor action.Right section of jurisdiction overhead crane control principle is the same as left.
Fig. 5, Fig. 6 are the PLC digital quantity input of the present embodiment, output module distribution schematic diagram.By section of jurisdiction overhead crane control system
Unite each limit switch, wireless receiver, have line traffic control handle access PLC digital quantity input module, intermediate relay is accessed into PLC
Digital output module realizes the software control to entire shield machine segment crane system by the logic control of PLC program.
Fig. 7, Fig. 8, Fig. 9, Figure 10 are the PLC control logic program principle figure of the present embodiment, Fig. 7, Fig. 8, Fig. 9, Tu10Shi
The continuous program section of linking.Shield machine segment crane system realizes logic control by PLC program.
From it is above the present invention described in shield machine segment crane control system, it is constituted and principle is as it can be seen that this system
It is used in the control of shield machine segment crane system, may be implemented that shield machine segment crane system electrical wiring is simple, and operation can
Lean on, debug, repair, be transformed it is more convenient.
The content being not described in detail in this specification belongs to the prior art well known to those skilled in the art.
Finally it is pointed out that the above disclosure is only the preferred embodiments of the present invention, cannot be limited certainly with this
The interest field of the present invention, therefore equivalent changes made in accordance with the claims of the present invention, are still within the scope of the present invention.
Claims (3)
1. a kind of control system of shield machine segment crane, it is characterised in that: by motor main circuit and control loop two parts structure
At, a total of 4 motors of motor main circuit, the left and right each electric block of double-rail beam and each walking dolly,
Middle electric block uses double-speed motor, and walking dolly uses single-speed motor, and each motor matches corresponding brake module, passes through contact respectively
Device controls forward and backward, and double-speed motor switches high, low speed, the control loop application PLC digital quantity input module by relay
With digital output module, by section of jurisdiction crane institute limit switches, there are all switches of line traffic control handle, wireless receiving controller
Digital quantity is input to PLC, is connect through programmed logic operation by PLC output signal driving intermediate relay to control motor main circuit
Whether tentaculum coil and relay coil obtain electric, the control of system motor forward and backward and motor high, low speed, the control are realized
Circuit combines shield machine master control system PLC, adds digital quantity input and output number according to section of jurisdiction overhead crane control demand.
2. the control system of shield machine segment crane according to claim 1, it is characterised in that: the control loop combines
Shield machine master control system PLC adds 26 digital input points and 11 digital quantity output points according to section of jurisdiction overhead crane control demand.
3. the control system of shield machine segment crane according to claim 2, it is characterised in that: 26 digital input points
It is made of 8 limit signal points, 8 wireless receiving controller signals points, 10 line traffic control handle signaling point, 11 digital quantities
In output point, 10 output points control the up and down of the left and right crane of double-rail beam respectively, advance, retrogressing, go up and down at a high speed, 1
Output point controls section of jurisdiction crane emergency stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811644670.1A CN109850764A (en) | 2018-12-29 | 2018-12-29 | A kind of control system of shield machine segment crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811644670.1A CN109850764A (en) | 2018-12-29 | 2018-12-29 | A kind of control system of shield machine segment crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109850764A true CN109850764A (en) | 2019-06-07 |
Family
ID=66893462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811644670.1A Pending CN109850764A (en) | 2018-12-29 | 2018-12-29 | A kind of control system of shield machine segment crane |
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| Country | Link |
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| CN (1) | CN109850764A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6250486B1 (en) * | 1999-09-13 | 2001-06-26 | Masamitsu Enoki | Integrated balanced wire rope reeving system for cargo container handling cranes |
| CN201334922Y (en) * | 2009-01-08 | 2009-10-28 | 上海地铁盾构设备工程有限公司 | Car walking device with double rails and double beams |
| CN102730570A (en) * | 2012-06-27 | 2012-10-17 | 抚顺市特种设备监督检验所 | Comprehensive protector for crane |
| CN203682921U (en) * | 2013-12-25 | 2014-07-02 | 绍兴文理学院 | Overhead traveling crane control system |
| CN204310713U (en) * | 2014-10-13 | 2015-05-06 | 南京梅山冶金发展有限公司 | Bridge crane frequency conversion protection system |
| CN205895255U (en) * | 2016-07-29 | 2017-01-18 | 上海力行工程技术发展有限公司 | Shield constructs quick -witted control system with standardized, modularization interface |
| CN205959058U (en) * | 2016-08-29 | 2017-02-15 | 中铁机械装备研究设计院(成都)有限公司 | Shield constructs quick -witted segment erector electric control system |
-
2018
- 2018-12-29 CN CN201811644670.1A patent/CN109850764A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6250486B1 (en) * | 1999-09-13 | 2001-06-26 | Masamitsu Enoki | Integrated balanced wire rope reeving system for cargo container handling cranes |
| CN201334922Y (en) * | 2009-01-08 | 2009-10-28 | 上海地铁盾构设备工程有限公司 | Car walking device with double rails and double beams |
| CN102730570A (en) * | 2012-06-27 | 2012-10-17 | 抚顺市特种设备监督检验所 | Comprehensive protector for crane |
| CN203682921U (en) * | 2013-12-25 | 2014-07-02 | 绍兴文理学院 | Overhead traveling crane control system |
| CN204310713U (en) * | 2014-10-13 | 2015-05-06 | 南京梅山冶金发展有限公司 | Bridge crane frequency conversion protection system |
| CN205895255U (en) * | 2016-07-29 | 2017-01-18 | 上海力行工程技术发展有限公司 | Shield constructs quick -witted control system with standardized, modularization interface |
| CN205959058U (en) * | 2016-08-29 | 2017-02-15 | 中铁机械装备研究设计院(成都)有限公司 | Shield constructs quick -witted segment erector electric control system |
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Application publication date: 20190607 |
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