CN213265518U - Blast furnace winding limit control system - Google Patents
Blast furnace winding limit control system Download PDFInfo
- Publication number
- CN213265518U CN213265518U CN202021604135.6U CN202021604135U CN213265518U CN 213265518 U CN213265518 U CN 213265518U CN 202021604135 U CN202021604135 U CN 202021604135U CN 213265518 U CN213265518 U CN 213265518U
- Authority
- CN
- China
- Prior art keywords
- winding
- speed reducer
- master controller
- rope drum
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model relates to a blast furnace winding limit control system, which comprises a winding control PLC, a frequency converter, a winding motor, a speed reducer, a winding rope drum and a master controller, wherein the output end of the winding control PLC is connected with the control end of the frequency converter, the output end of the frequency converter is connected with the winding motor, the winding motor is connected with the speed reducer, the main shaft of the speed reducer is connected with one side of the winding rope drum and is used for driving the winding rope drum, the auxiliary shaft of the speed reducer is connected with the master controller, the speed reducer rotates to drive the master controller to rotate, a preset position is reached, and a master control electrical contact is disconnected; the other side of the hoisting rope drum is additionally provided with an electronic limiting device, the electronic limiting device is connected with an electrical contact of the master controller in series, and a signal is transmitted to the hoisting control PLC to form a blast furnace hoisting limiting control system; the utility model solves the problems of unstable operation, easy failure, difficult problem maintenance, and the like; the effects of reliable operation, convenient installation and accurate control are realized.
Description
Technical Field
The utility model relates to an industrial production automatic control field specifically is a blast furnace hoist limit control system.
Background
The existing blast furnace winch feeding trolley is loaded with raw materials and loaded onto a furnace top, the raw materials are limited and controlled by a master controller to stop after reaching a limit point, the trolley pours out the raw materials and is loaded into a blast furnace body, and when the limit point fails, the trolley is loaded onto the furnace top and cannot be stopped in time to cause a top rushing fault, so that a large production equipment accident is caused; after the existing master controller operates for a long time, the existing master controller has the following defects of insensitive response, untimely disconnection of an electric contact, low control precision, easy occurrence of top rushing fault, influence on blast furnace production and increase of labor intensity of maintenance personnel; at present, a blast furnace winding limit control system is designed, and the problems can be effectively solved.
Disclosure of Invention
The utility model aims at solving the problems and providing a blast furnace winding limit control system.
The utility model has the following concrete scheme: a blast furnace winding limit control system comprises a winding control PLC, a frequency converter, a winding motor, a speed reducer, a winding rope drum and a master controller, wherein the output end of the winding control PLC is connected with the control end of the frequency converter, the output end of the frequency converter is connected with the winding motor, the winding motor is connected with the speed reducer, a main shaft of the speed reducer is connected with one side of the winding rope drum and used for driving the winding rope drum, an auxiliary shaft of the speed reducer is connected with the master controller, the speed reducer rotates to drive the master controller to rotate to reach a preset position, and a master control electrical contact is disconnected; the method is characterized in that: and the other side of the hoisting rope drum is additionally provided with an electronic limiting device, the electronic limiting device is connected with an electrical contact of the master controller in series, and a signal is transmitted to the hoisting control PLC to form a blast furnace hoisting limiting control system.
The electronic limiting device comprises a field transmitting unit and a main control unit, wherein the field transmitting unit is connected with the main control unit through a connecting cable and used for transmitting a field position signal to the main control unit.
The on-site transmitting unit comprises an encoder, and the encoder is connected with the hoisting rope drum through a coupler.
The main control unit is formed by connecting an operation panel and an electronic limit PLC.
The utility model discloses a theory of operation: the double control of the mechanical master controller and the electronic limiting device ensures that the blast furnace winch works stably and reliably; an auxiliary shaft of the speed reducer is connected with the master controller, the speed reducer rotates to drive the master controller to rotate, and when the main controller reaches a preset position, the master control electric contact is disconnected; the electronic limiting device on the other side of the hoisting rope drum collects position information of the blast furnace hoisting through an encoder, performs data analysis and calculation through an electronic limiting PLC, and controls the output of an electrical contact; the electronic limiting device is connected with an electrical contact of the master controller in series and transmits a signal to the winding control PLC to form the blast furnace winding limiting control system.
The utility model discloses following beneficial effect has: 1. the operation is reliable; 2. the installation is convenient; 3. and the control is accurate.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a block diagram of the structure of the electronic position limiting device;
in the figure: 1-a winding rope drum, 2-a master controller, 3-an electronic limiting device, 301-a field transmitting unit, 3011-an encoder, 3012-a coupler, 302-a master control unit, 3021-an electronic limiting PLC, 3022-an operation panel, 4-a winding control PLC, 5-a frequency converter, 6-a winding motor and 7-a speed reducer.
Detailed Description
Referring to fig. 1-2, the present embodiment includes: the winch control PLC4, the frequency converter 5, the winch motor 6, the speed reducer, the winch rope drum 1, the master controller 2, the output end of the winch control PLC4 is connected with the control end of the frequency converter 5, the output end of the frequency converter 5 is connected with the winch motor 6, the winch motor 6 is connected with the speed reducer, the main shaft of the speed reducer is connected with one side of the winch rope drum 1 and used for driving the winch rope drum 1, the auxiliary shaft of the speed reducer is connected with the master controller 2, the speed reducer rotates to drive the master controller 2 to rotate, the master controller reaches a preset position, and the master control electrical contact is disconnected; the method is characterized in that: the other side of the hoisting rope drum 1 is additionally provided with an electronic limiting device 3, the electronic limiting device 3 is connected with an electrical contact of the master controller 2 in series, and a signal is transmitted to a hoisting control PLC4 to form a blast furnace hoisting limiting control system;
the electronic limiting device 3 comprises a field transmitting unit 301 and a main control unit 302, wherein the field transmitting unit 301 is connected with the main control unit 302 through a connecting cable and used for transmitting a field position signal to the main control unit 302.
The field transmitting unit 301 comprises an encoder 3011, and the encoder 3011 is connected with the hoisting rope drum 1 through a coupler 3012.
The main control unit 302 is formed by connecting an operation panel 3022 and an electronic limit PLC 3021.
Claims (3)
1. A blast furnace winding limit control system comprises a winding control PLC, a frequency converter, a winding motor, a speed reducer, a winding rope drum, a master controller and an electronic limit device, wherein the output end of the winding control PLC is connected with the control end of the frequency converter, the output end of the frequency converter is connected with the winding motor, the winding motor is connected with the speed reducer, a main shaft of the speed reducer is connected with one side of the winding rope drum and used for driving the winding rope drum, an auxiliary shaft of the speed reducer is connected with the master controller, the speed reducer rotates to drive the master controller to rotate to reach a preset position, and a master control electrical contact is disconnected; the method is characterized in that: the other side of the hoisting rope drum is additionally provided with an electronic limiting device, the electronic limiting device is connected with an electrical contact of the master controller in series, and a signal is transmitted to the hoisting control PLC to form a blast furnace hoisting limiting control system;
the electronic limiting device comprises a field transmitting unit and a main control unit, wherein the field transmitting unit is connected with the main control unit through a connecting cable and used for transmitting a field position signal to the main control unit.
2. The blast furnace hoisting limit control system as claimed in claim 1, wherein: the on-site transmitting unit comprises an encoder, and the encoder is connected with the hoisting rope drum through a coupler.
3. The blast furnace hoisting limit control system as claimed in claim 1, wherein: the main control unit is formed by connecting an operation panel and an electronic limit PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021604135.6U CN213265518U (en) | 2020-08-05 | 2020-08-05 | Blast furnace winding limit control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021604135.6U CN213265518U (en) | 2020-08-05 | 2020-08-05 | Blast furnace winding limit control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213265518U true CN213265518U (en) | 2021-05-25 |
Family
ID=75970271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021604135.6U Active CN213265518U (en) | 2020-08-05 | 2020-08-05 | Blast furnace winding limit control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213265518U (en) |
-
2020
- 2020-08-05 CN CN202021604135.6U patent/CN213265518U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203079568U (en) | Electrical control system of full-automatic smart crane | |
| CN201647828U (en) | Single-double lifting point transformation type lifting device | |
| CN201593174U (en) | Movable type electric hoist opening and closing machine double hoisting points | |
| CN107082031B (en) | Horizontal rotation flexible mobile contact net control system and method thereof | |
| CN103697133B (en) | A kind of lifting device speed reducer | |
| CN101804947A (en) | Single and double hanging point conversion type lifting device | |
| CN213265518U (en) | Blast furnace winding limit control system | |
| CN110950222A (en) | Super-large tonnage cage lifting system of ultra-deep well driven by auxiliary vertical linear motor | |
| CN203806896U (en) | Whole-course safe device against slack rope | |
| CN203568750U (en) | Overspeed-preventing control device of gantry hoist lifting mechanism | |
| CN202400742U (en) | Crane hook sliding-proof device | |
| CN101513969A (en) | High-voltage multi-PLC converter low-frequency brake electric control system of a lifter | |
| CN203889982U (en) | Lime shaft kiln feeding system with speed encoder | |
| CN204125087U (en) | Improve the Desulfurization by stirring method lift cart winding plant of use reliability | |
| CN103414405A (en) | Device for balancing bridge type hoist motor moment and control method | |
| CN212181316U (en) | Testing device of electric traction coal mining machine control system | |
| CN203474334U (en) | Overhaul-facilitating winch device of lifting trolley for desulfuration through stirring method | |
| CN211419278U (en) | Super-large tonnage cage lifting system of ultra-deep well driven by auxiliary vertical linear motor | |
| CN203997924U (en) | Energy-saving sequence controller | |
| CN203204373U (en) | An intelligent master controller | |
| CN204290168U (en) | A kind of frequency conversion cabling equipment | |
| CN203745811U (en) | Integral type blast furnace hoist control apparatus | |
| CN203593569U (en) | Device for independently controlling double suspension points of fixed winch hoist | |
| LU501531B1 (en) | Intelligent control system for hoisting winch for deep shaft | |
| CN217578082U (en) | Intelligent overhead crane system of cyclone pool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |