CN103273034A - Automatic control device of traveling speed of main engine of nodular cast iron pipe centrifugal machine - Google Patents
Automatic control device of traveling speed of main engine of nodular cast iron pipe centrifugal machine Download PDFInfo
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- CN103273034A CN103273034A CN2013101828005A CN201310182800A CN103273034A CN 103273034 A CN103273034 A CN 103273034A CN 2013101828005 A CN2013101828005 A CN 2013101828005A CN 201310182800 A CN201310182800 A CN 201310182800A CN 103273034 A CN103273034 A CN 103273034A
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- China
- Prior art keywords
- iron pipe
- main engine
- cast iron
- centrifugal machine
- nodular cast
- Prior art date
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Abstract
The invention relates to an automatic control device of traveling speed of a main engine of a nodular cast iron pipe centrifugal machine. A comparator is electrically connected with the input end of a PLC through a PID controller, the output end of the PLC is electrically connected with the control circuit of a proportional valve, the proportional valve is connected on the oil inlet line of a hydraulic cylinder, the driving arm of the hydraulic cylinder is hinged to the main engine of the nodular cast iron pipe centrifugal machine to drive the main engine of the nodular cast iron pipe centrifugal machine to travel, a main engine encoder used for feeding back the speed of the main engine of the nodular cast iron pipe centrifugal machine is fixedly arranged on the main engine of the nodular cast iron pipe centrifugal machine, and the main engine encoder is electrically connected with the comparator. The automatic control device of the traveling speed of the main engine of the nodular cast iron pipe centrifugal machine can effectively guarantee the main engine of the nodular cast iron pipe centrifugal machine to travel in constant speed.
Description
Technical field
The present invention relates to a kind of auto speed control device, be particularly suitable for the control of the ductile iron pipe centrifuge main frame speed of travel.
Background technology
Ductile iron pipe centrifuge host driven mode is Driven by Hydraulic Cylinder, and the opening degree size of proportioning valve has determined the speed of the main frame speed of travel.Under existing open loop state of a control, under the constant situation of main frame oil cylinder proportioning valve aperture, because of the influence of factor such as load variations, pressure fluctuation in the casting cycle, the fluctuation of the main frame speed of travel is bigger, has a strong impact on the quality of product.
Summary of the invention
In order to overcome the shortcoming of prior art, the invention provides a kind of ductile iron pipe centrifuge main frame speed of travel automaton, it can guarantee effectively that the ductile iron pipe centrifuge main frame at the uniform velocity walks.
The present invention solves the technical scheme that its technical problem takes: comparator is electrically connected with the PLC input by the PID controller, the PLC output is electrically connected with the control circuit of proportioning valve, proportioning valve is connected on the in-line of hydraulic cylinder, the actuating arm of hydraulic cylinder and ductile iron pipe centrifuge main frame are hinged, be used for driving the walking of ductile iron pipe centrifuge main frame, the host code device of fixing feedback ductile iron pipe centrifuge main frame speed on the ductile iron pipe centrifuge main frame, the host code device is electrically connected with comparator.
The present invention
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is principle of the invention figure.
The specific embodiment
As shown in Figure 1, comparator 1 is electrically connected with the PLC input by PID controller 2, the PLC output is electrically connected with the control circuit of proportioning valve 4, proportioning valve 4 is connected on the in-line of hydraulic cylinder 5, the actuating arm of hydraulic cylinder 5 and ductile iron pipe centrifuge main frame 6 are hinged, be used for driving 6 walkings of ductile iron pipe centrifuge main frame, the host code device 7 of fixing feedback ductile iron pipe centrifuge main frame 6 speed on the ductile iron pipe centrifuge main frame 6, host code device 7 is electrically connected with comparator 1.
Main frame speed of travel setting value is Vx, the actual speed of travel of main frame by host code device 7 feedbacks is Vp, main frame contrasts the value of Vx and Vp in the process of walking constantly, change the given magnitude of voltage Ui of proportioning valve 4 by PID controller 2, PLC, the opening degree of real-time resize ratio valve 4, with the speed of control hydraulic cylinder 5, thereby the speed of travel Vp of main frame 6 and setting speed Vx are consistent.
Claims (1)
1. ductile iron pipe centrifuge main frame speed of travel automaton, it is characterized in that: comparator (1) is electrically connected with the PLC input by PID controller (2), the PLC output is electrically connected with the control circuit of proportioning valve (4), proportioning valve (4) is connected on the in-line of hydraulic cylinder (5), the actuating arm of hydraulic cylinder (5) and ductile iron pipe centrifuge main frame (6) are hinged, be used for driving ductile iron pipe centrifuge main frame (6) walking, ductile iron pipe centrifuge main frame (6) is gone up the host code device (7) of fixing feedback ductile iron pipe centrifuge main frame (6) speed, and host code device (7) is electrically connected with comparator (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101828005A CN103273034A (en) | 2013-05-16 | 2013-05-16 | Automatic control device of traveling speed of main engine of nodular cast iron pipe centrifugal machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101828005A CN103273034A (en) | 2013-05-16 | 2013-05-16 | Automatic control device of traveling speed of main engine of nodular cast iron pipe centrifugal machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103273034A true CN103273034A (en) | 2013-09-04 |
Family
ID=49055712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101828005A Pending CN103273034A (en) | 2013-05-16 | 2013-05-16 | Automatic control device of traveling speed of main engine of nodular cast iron pipe centrifugal machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103273034A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958543A (en) * | 2021-09-27 | 2022-01-21 | 太原重工股份有限公司 | Traveling mechanism control system and control method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB930127A (en) * | 1960-03-25 | 1963-07-03 | Cie De Pont A Mousson | Improvements in and relating to control device for a molten metal pouring ladle in acentrifugal machine |
| KR20070014400A (en) * | 2005-07-28 | 2007-02-01 | 주식회사 로얄정공 | Duplex communication digital vehicle speed control method of a centrifugal dehydrator and centrifugal concentration machine |
| JP2009104316A (en) * | 2007-10-22 | 2009-05-14 | Okuma Corp | The position control method for rotating structure |
| CN101700565A (en) * | 2009-09-21 | 2010-05-05 | 芜湖新兴铸管有限责任公司 | Control system of ductile iron pipe centrifuge and control method thereof |
| CN201511112U (en) * | 2009-09-21 | 2010-06-23 | 芜湖新兴铸管有限责任公司 | Control system of centrifugal machine of ductile cast iron pipe |
| CN201558942U (en) * | 2009-11-06 | 2010-08-25 | 新兴铸管股份有限公司 | Water-cooling metal type ductile cast iron pipe centrifuge closed loop control device |
| CN203292452U (en) * | 2013-05-16 | 2013-11-20 | 新兴河北工程技术有限公司 | Automatic control device for walking speed of nodular cast iron pipe centrifugal machine main engine |
-
2013
- 2013-05-16 CN CN2013101828005A patent/CN103273034A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB930127A (en) * | 1960-03-25 | 1963-07-03 | Cie De Pont A Mousson | Improvements in and relating to control device for a molten metal pouring ladle in acentrifugal machine |
| KR20070014400A (en) * | 2005-07-28 | 2007-02-01 | 주식회사 로얄정공 | Duplex communication digital vehicle speed control method of a centrifugal dehydrator and centrifugal concentration machine |
| JP2009104316A (en) * | 2007-10-22 | 2009-05-14 | Okuma Corp | The position control method for rotating structure |
| CN101700565A (en) * | 2009-09-21 | 2010-05-05 | 芜湖新兴铸管有限责任公司 | Control system of ductile iron pipe centrifuge and control method thereof |
| CN201511112U (en) * | 2009-09-21 | 2010-06-23 | 芜湖新兴铸管有限责任公司 | Control system of centrifugal machine of ductile cast iron pipe |
| CN201558942U (en) * | 2009-11-06 | 2010-08-25 | 新兴铸管股份有限公司 | Water-cooling metal type ductile cast iron pipe centrifuge closed loop control device |
| CN203292452U (en) * | 2013-05-16 | 2013-11-20 | 新兴河北工程技术有限公司 | Automatic control device for walking speed of nodular cast iron pipe centrifugal machine main engine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958543A (en) * | 2021-09-27 | 2022-01-21 | 太原重工股份有限公司 | Traveling mechanism control system and control method thereof |
| CN113958543B (en) * | 2021-09-27 | 2023-07-21 | 太原重工股份有限公司 | Running mechanism control system and control method thereof |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130904 |