CN202185581U - Opening and closing mechanism for stopper rod of intermediate tank of continuous casting machine - Google Patents
Opening and closing mechanism for stopper rod of intermediate tank of continuous casting machine Download PDFInfo
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- CN202185581U CN202185581U CN2011201187549U CN201120118754U CN202185581U CN 202185581 U CN202185581 U CN 202185581U CN 2011201187549 U CN2011201187549 U CN 2011201187549U CN 201120118754 U CN201120118754 U CN 201120118754U CN 202185581 U CN202185581 U CN 202185581U
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- stopper
- stopper rod
- servo electric
- electric jar
- rod
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Abstract
The utility model discloses an opening and closing mechanism for a stopper rod of an intermediate tank of a continuous casting machine, which comprises a mechanism base, a stopper lever, an upper stopper lever guiding seat, a lower stopper lever guiding seat, a manual operating lever, a stopper rod arm adjusting nut, a lifting transverse arm, the stopper rod and a stopper rod lead screw nut. A lower servo electric cylinder support is arranged on the lower stopper lever guiding seat, an upper servo electric cylinder support is disposed in the middle of the stopper lever, a servo electric cylinder is mounted on the upper servo electric cylinder support and the lower servo electric cylinder support, a lower support is disposed on the mechanism base, an upper support is positioned on the stopper lever, a spiral spring balancing mechanism is mounted on the upper support and the lower support, and lifting balance of the stopper rod and the mechanism is adjusted by means of adjusting the nut by the aid of balancing force. By the aid of the opening and closing mechanism, the stopper rod is balanced by means of adjusting prestressing force of a spiral spring, the opening and closing mechanism is convenient and labor-saving in operation, simultaneously, opening and closing action of the stopper rod is reliable, operation is accurate, steel flow control precision is improved, steel liquid level of a crystallizer is stable, and casting blank quality accidents and production accidents caused by unstable steel liquid level are reduced.
Description
Technical field
The utility model relates to the continuous casting system in the smelting iron and steel, especially relates to a kind of switching mechanism of conticaster pans stopper.
Background technology
Existing conticaster pans stopper switching mechanism adds counterweight and comes the balance stopper to lay particular stress on manual joystick; Have only manual operation function, in use, can have following defective: 1, because every cover pans stopper switching mechanism exists error to cause going up and down the resistance can not be equal fully in processing, in installing; And in use because situation such as deformation have also caused the variation of the up-down resistance of mechanism; Stopper is laid particular stress on by adding counterweight and is adjusted balance in practical operation, and the one, inconvenience, the 2nd, bad control is when operating personnel go up and down through manually lifting, press manual joystick to drive stopper; Often feel to require great effort very much, labour intensity is big; 2, because the operation of pans stopper switching mechanism is required great effort, and the stopper control accuracy is low, cause steel stream unstable, the crystallizer molten steel surface fluctuation is big, and the slab quality instability is prone to cause the generation of bleed-out accident, brings great hidden danger for operator's personal safety.
The utility model content
The utility model technical problem to be solved is to the problem that exists in the prior art a kind of conticaster pans stopper switching mechanism to be provided; Its objective is and satisfy manually control and the switching of control pans stopper automatically; Effectively improve steel current control precision simultaneously; Make crystallizer molten steel surface stable, improve slab quality.
The technical scheme of the utility model is this kind conticaster pans stopper switching mechanism; Comprise on mechanism base, stopper rod, the stopper rod guide holder under guide holder, the stopper rod, manual joystick, stopper rod arm adjustment nut, up-down transverse arm, stopper and stopper feed screw nut; Be positioned at that guide holder is provided with the servo electric jar undersetting under the described stopper rod; Be provided with the servo electric jar upper bracket in the centre position of stopper rod, servo electric jar is installed on servo electric jar undersetting and the servo electric jar upper bracket; Be positioned at described mechanism base and be provided with undersetting; Be positioned at described stopper rod and be provided with upper bracket; The helical spring balanced controls are installed on upper bracket and the undersetting, and through equilibrant force adjustment nut adjustment stopper that is positioned at helical spring balanced controls top and the balance that mechanism goes up and down; Described stopper switching mechanism also comprises Stopper Auto Control System; Stopper Auto Control System comprises that eddy current sensor, instrument, the other control box of machine, industrial computer, system PLC, plug handful mechanism, servo electric jar, digit driver constitute; Eddy current sensor is installed in the top of crystallizer; Electromagnetic signal in the eddy current sensor produces vortex flow on the molten steel surface, and acts on eddy current sensor generation induced-current; Instrument is carried out Filtering Processing to the signal of eddy current sensor induction, gathers useful signal, through analog-to-digital conversion; Calculate and export the voltage and current signal that to represent liquid level; Send the PLC of system to, system PLC acts on digit driver through various information are carried out integrated treatment; The control servo electric jar is regulated the stopper position.
The size of described sensor sensing electric current changes with the variation of molten steel surface to the distance of sensor base.
Be processed with thread on the described stopper rod, on the bearing that sector is installed in mechanism base welds mutually, the thread engagement on sector and the stopper rod presses manual joystick to make sector rotate the up-down of drive stopper rod through lifting, and realizes that stopper opens and closes up and down.
The axis direction of the axis direction of described servo electric jar and helical spring balanced controls is all parallel with the axis direction of stopper rod.
Described servo electric jar undersetting is welded under the stopper rod on the guide holder, and described servo electric jar upper bracket is welded on the stopper rod.
The endoporus of guide holder is provided with keyway under the described stopper rod, and stopper rod is provided with the anti-key that reverses that matches with this keyway, and anti-reverses key and this keyway is slidingly matched.
Conticaster pans stopper switching mechanism with above-mentioned special construction has the following advantages:
1, this kind conticaster pans stopper switching mechanism can be realized manually control and control two kinds of functions automatically; The stopper on-off action is reliable; Operation precisely; Effectively raise steel current control precision, make crystallizer molten steel surface stable, reduced unstable slab quality accident and the production accident that is caused of molten steel face.
2, this kind conticaster pans stopper switching mechanism comes the balance stopper through helical spring balanced controls and equilibrant force adjustment nut adjustment helical spring pretightning force, and is easy to operate, laborsaving.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described further:
Fig. 1 is the structural representation I of the utility model.
Fig. 2 is the structural representation II of the utility model.
Fig. 3 is the schematic diagram of Stopper Auto Control System in the utility model.
Fig. 4 is the installation site sketch map of eddy current sensor in the utility model.
In Fig. 1-4,1: manual joystick; 2: the servo electric jar undersetting; 3: guide holder under the stopper rod; 4: the anti-key that reverses; 5: sector; 6: stopper rod; 7: the servo electric jar upper bracket; 8: guide holder on the stopper rod; 9: stopper rod arm adjustment nut; 10: the up-down transverse arm; 11: the stopper rod feed screw nut; 12: retaining mechanism; 13: mechanism base; 14: the helical spring balanced controls; 15: the equilibrant force guiding mechanism; 16: stopper; 17: servo electric jar; 18: eddy current sensor; 19: crystallizer; 20: middle bag.
The specific embodiment
Combine and to know by structure shown in Fig. 1-4; This kind conticaster pans stopper switching mechanism comprises on mechanism base 13, stopper rod 6, the stopper rod guide holder 3 under guide holder 8, the stopper rod, manual joystick 1, stopper rod arm adjustment nut 9, up-down transverse arm 10, stopper 16 and stopper feed screw nut 11; Be positioned at that guide holder 3 is provided with servo electric jar undersetting 2 under the stopper rod; Be provided with servo electric jar upper bracket 7 in the centre position of stopper rod 6, servo electric jar 17 is installed on servo electric jar undersetting 2 and the servo electric jar upper bracket 7; Be positioned at mechanism base 13 and be provided with undersetting; Be positioned at stopper rod 6 and be provided with upper bracket; Helical spring balanced controls 14 are installed on upper bracket and the undersetting, and through equilibrant force adjustment nut 15 adjustment stoppers 16 that are positioned at helical spring balanced controls 14 tops and the balance that mechanism goes up and down; The stopper switching mechanism also comprises Stopper Auto Control System; Stopper Auto Control System comprises that eddy current sensor 18, instrument, the other control box of machine, industrial computer, system PLC, plug handful mechanism, servo electric jar 17, digit driver constitute; Eddy current sensor 18 is installed in the top of crystallizer 19; Electromagnetic signal in the eddy current sensor 18 produces vortex flow on the molten steel surface; And acting on sensor generation induced-current, the size of sensor sensing electric current changes with the variation of molten steel surface to the distance of sensor base; Instrument is carried out Filtering Processing to the signal of eddy current sensor 18 inductions, gathers useful signal, through analog-to-digital conversion; Calculate and export the voltage and current signal that to represent liquid level; Send the PLC of system to, system PLC acts on digit driver through various information are carried out integrated treatment; The control servo electric jar is regulated the stopper position.
Be processed with thread on the stopper rod 6, sector 5 is installed on the bearing that welds mutually with mechanism base 13, and the thread engagement on sector 5 and the stopper rod 6 presses manual joystick 1 to make sector 5 rotate 6 up-downs of drive stopper rods through lifting, and realizes that stopper opens and closes up and down; Servo electric jar undersetting 2 is welded under the stopper rod on the guide holder 3, and servo electric jar upper bracket 7 is welded on the stopper rod 6, and the axis direction of the axis direction of servo electric jar 17 and helical spring balanced controls 14 is all parallel with the axis direction of stopper rod 6; The endoporus of guide holder 3 is provided with keyway under the stopper rod, and stopper rod 6 is provided with the anti-key 4 that reverses that matches with this keyway, and the anti-key 4 that reverses is slidingly matched with this keyway.
This kind conticaster pans stopper switching mechanism detailed process of control automatically is: before the production, before promptly pans also do not toast, pans Stopper opening and closing mechanism is installed on the middle tank body; And adjust the height of stopper 16, by the manual work moving control stick 1 of pressing, raise one's hand, stopper rod 6 knee-actions are nimbly and freely; When watering the first stove molten steel at every turn, at first adopt manually control to water steel, treat after a few minutes the molten steel face increase to the normal position, when pulling rate is basicly stable; Eddy current sensor 18 is installed to the top of crystallizer 19, and servo electric jar 17 is installed in the pans Stopper opening and closing mechanism, opens automatic control system; Servo electric jar 17 will drive stopper rod 6 vertically this moment; Regulate the position of stopper, the molten steel flow in the 20 injection crystallizers 19 is therefrom wrapped in control, to reach the stable of molten steel face.
The realization principle of the process of control automatically is: eddy current sensor 18 is installed in the top of crystallizer 19, and the electromagnetic signal in the eddy current sensor 18 produces vortex flow on the molten steel surface, and acts on eddy current sensor 18 generation induced-currents; The faradic size that eddy current sensor 18 produces changes with the distance of molten steel surface to eddy current sensor 18 bottoms; Instrument is carried out Filtering Processing to the induced signal that eddy current sensor 18 produces, and gathers useful signal, and through analog-to-digital conversion, calculating and output can be represented the voltage and current signal of liquid level, send the PLC of system to; System PLC acts on digit driver through various information are carried out integrated treatment, control servo electric jar 17, the position of adjusting stopper.Through control to the stopper aperture, regulate the molten steel flow that therefrom wraps in the 20 injection crystallizers 19, reach the purpose of stablizing liquid steel level height in the crystallization control device 19, thereby realize permanent pulling rate, constant level automatic steel-pouring.Through industrial computer, can send various warning messages simultaneously, realize multi-functional human-computer dialogue, monitor the level control situation in real time.
This kind conticaster pans stopper switching mechanism manually detailed process of control is: at first when watering the first stove molten steel, adopt manually control to water steel at every turn; Secondly under the situation that control has fault normally not use automatically, produce in order to continue; Must adopt manual control immediately; Dismounting servo electric jar 17 is removed automatic control equipment, by manual work pressure, the moving control stick 1 of raising one's hand sector 5 is rotated simultaneously; Make stopper rod 6 realize control vertically through the engagement of the tooth bar on sector 5 and the stopper rod 6, thereby regulate the molten steel flow that therefrom wraps in the 20 injection crystallizers 19 the stopper aperture.
This kind conticaster pans stopper switching mechanism can be realized manually control and control two kinds of functions automatically; The stopper on-off action is reliable; Operation precisely; Effectively raise steel current control precision, make crystallizer molten steel surface stable, reduced unstable slab quality accident and the production accident that is caused of molten steel face; Simultaneously, come the balance stopper through helical spring balanced controls and equilibrant force adjustment nut adjustment helical spring pretightning force, easy to operate, laborsaving.
Claims (5)
1. conticaster pans stopper switching mechanism; Comprise on mechanism base (13), stopper rod (6), the stopper rod guide holder (3) under guide holder (8), the stopper rod, manual joystick (1), stopper rod arm adjustment nut (9), up-down transverse arm (10), stopper (16) and stopper feed screw nut (11); It is characterized in that: be positioned at guide holder under the described stopper rod (3) and be provided with servo electric jar undersetting (2); Be provided with servo electric jar upper bracket (7) in the centre position of stopper rod (6), servo electric jar (17) is installed on servo electric jar undersetting (2) and the servo electric jar upper bracket (7); Be positioned at described mechanism base (13) and be provided with undersetting; Be positioned at described stopper rod (6) and be provided with upper bracket; Helical spring balanced controls (14) are installed on upper bracket and the undersetting, and adjust the balance of stopper (16) and mechanism's up-down through the equilibrant force adjustment nut (15) that is positioned at helical spring balanced controls (14) top; Described stopper switching mechanism also comprises Stopper Auto Control System; Stopper Auto Control System comprises that eddy current sensor (18), instrument, the other control box of machine, industrial computer, system PLC, plug handful mechanism, servo electric jar (17), digit driver constitute; Eddy current sensor (18) is installed in the top of crystallizer (19); Electromagnetic signal in the eddy current sensor (18) produces vortex flow on the molten steel surface, and acts on sensor generation induced-current; Instrument is carried out Filtering Processing to the signal of eddy current sensor (18) induction, gathers useful signal, through analog-to-digital conversion; Calculate and export the voltage and current signal that to represent liquid level; Send the PLC of system to, system PLC acts on digit driver through various information are carried out integrated treatment; The control servo electric jar is regulated the stopper position.
2. conticaster pans stopper switching mechanism according to claim 1; It is characterized in that: described stopper rod is processed with thread on (6); Sector (5) is installed on the bearing that welds mutually with mechanism base (13); Thread engagement on sector (5) and the stopper rod (6) presses manual joystick (1) to make sector (5) rotate drive stopper rod (6) up-down through lifting, and realizes that stopper opens and closes up and down.
3. according to the described conticaster pans of each claim of claim 1-2 stopper switching mechanism, it is characterized in that: the axis direction of the axis direction of described servo electric jar (17) and helical spring balanced controls (14) is all parallel with the axis direction of stopper rod (6).
4. conticaster pans stopper switching mechanism according to claim 3 is characterized in that: described servo electric jar undersetting (2) is welded on the guide holder under the stopper rod (3), and described servo electric jar upper bracket (7) is welded on the stopper rod (6).
5. conticaster pans stopper switching mechanism according to claim 4; It is characterized in that: the endoporus of guide holder under the described stopper rod (3) is provided with keyway; Stopper rod (6) is provided with the anti-key (4) that reverses that matches with this keyway, and the anti-key (4) that reverses is slidingly matched with this keyway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201187549U CN202185581U (en) | 2011-04-21 | 2011-04-21 | Opening and closing mechanism for stopper rod of intermediate tank of continuous casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201187549U CN202185581U (en) | 2011-04-21 | 2011-04-21 | Opening and closing mechanism for stopper rod of intermediate tank of continuous casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202185581U true CN202185581U (en) | 2012-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201187549U Expired - Lifetime CN202185581U (en) | 2011-04-21 | 2011-04-21 | Opening and closing mechanism for stopper rod of intermediate tank of continuous casting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202185581U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102133633A (en) * | 2011-04-21 | 2011-07-27 | 马鞍山钢铁股份有限公司 | Switching mechanism for intermediate tank stopper rod of continuous casting machine |
| CN105108122A (en) * | 2015-08-21 | 2015-12-02 | 张继兰 | Automatic casting mechanism capable of controlling flow rate |
| CN106001531A (en) * | 2016-07-07 | 2016-10-12 | 麦格瑞科技（北京）有限公司 | Stopper lifting mechanism |
| CN107716911A (en) * | 2017-09-14 | 2018-02-23 | 首钢京唐钢铁联合有限责任公司 | Off-line adjustment method for stopper rod |
-
2011
- 2011-04-21 CN CN2011201187549U patent/CN202185581U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102133633A (en) * | 2011-04-21 | 2011-07-27 | 马鞍山钢铁股份有限公司 | Switching mechanism for intermediate tank stopper rod of continuous casting machine |
| CN105108122A (en) * | 2015-08-21 | 2015-12-02 | 张继兰 | Automatic casting mechanism capable of controlling flow rate |
| CN106001531A (en) * | 2016-07-07 | 2016-10-12 | 麦格瑞科技（北京）有限公司 | Stopper lifting mechanism |
| CN107716911A (en) * | 2017-09-14 | 2018-02-23 | 首钢京唐钢铁联合有限责任公司 | Off-line adjustment method for stopper rod |
| CN107716911B (en) * | 2017-09-14 | 2020-09-18 | 首钢京唐钢铁联合有限责任公司 | Off-line adjustment method for stopper rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120411 Effective date of abandoning: 20130807 |
|
| RGAV | Abandon patent right to avoid regrant |