CN203740983U - Continuous casting machine intermediate tank car multi-cylinder synchronous lifting automatic compensation device - Google Patents
Continuous casting machine intermediate tank car multi-cylinder synchronous lifting automatic compensation device Download PDFInfo
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- CN203740983U CN203740983U CN201320836535.3U CN201320836535U CN203740983U CN 203740983 U CN203740983 U CN 203740983U CN 201320836535 U CN201320836535 U CN 201320836535U CN 203740983 U CN203740983 U CN 203740983U
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- cylinder
- intermediate tank
- continuous casting
- tank car
- casting machine
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Abstract
The utility model discloses a continuous casting machine intermediate tank car multi-cylinder synchronous lifting automatic compensation device, which comprises lifting oil tanks, tank head locking compensation valve sets, throttles and an intermediate tank car main control valve set. The lifting oil tanks are connected with the intermediate tank car main control valve sets via hydraulic oil paths; the throttles are arranged on the hydraulic oil paths; one tank head locking compensation valve set is arranged at the tank head part of the lower end of the lifting oil tank. The continuous casting machine intermediate tank car multi-cylinder synchronous lifting automatic compensation device is improved on the basis of the conventional intermediate tank car control device; the positions of piston rods are fed back in real time via installing displacement sensors in the oil tanks; through electric control compensation, the height deviation of the each oil tank, generated during operation, can be automatically corrected. The automatic compensation device improves the running precision and the whole machine reliability of the equipment, saves manpower, and improves efficiency.
Description
Technical field
The utility model belongs to field of metallurgical equipment, relates in particular to a kind of intermediate tank of continuous casting machine car multi-cylinder synchronous lifting automatic compensating device.
Background technology
The continuous casting machine of metallurgy industry, in steel pouring process, passes through tundish metallurgy, can prevent secondary oxidation of steel and air-breathing, improve MOLTEN STEEL FLOW state, prevent slag and promote inclusion floating, fine setting molten steel composition, controls inclusion morphology and accurately controls molten steel overheat.In a word, to improving continuous casting operating rate, sequence casting, expands continuous casting kind, improves slab quality etc. and plays an important role.Intermediate tundish carriage is as the carrier of tundish, before cast, be corrected in the position deviation that in hoisting process, middle water containing opening occurs, to aim at crystallizer mouth, intermediate tank of continuous casting machine car require can be when heavy duty steady synchronization lifting, and can stop at an arbitrary position, in steel pouring process, make tundish maintenance level, two arms of tank car can be traversing separately.In casting process, tundish biasing if there is the asynchronous formation of intermediate tundish carriage four cylinder, will have a strong impact on normal production, and accelerates the wearing and tearing of equipment and the service life of shortening equipment, therefore how to keep four cylinders of tank car synchronous, will become a very important problem.
Existing existing a kind of intermediate tundish carriage hydraulic synchronous lifting device disclosing, the patent No. is 200920245644.1, in this intermediate tundish carriage hydraulic synchronous lifting device, by a synchronous motor, form the synchronous control system of an open type, being furnished with in addition manual compensation valve can compensate a cylinder or multi-cylinder wherein, but in use, manual compensation valve can meet the operating needs of general tank car, is a kind of compensation method of being undertaken by manual observation or measurement, and its precision and efficiency are lower.
Summary of the invention
The purpose of this utility model is to provide a kind of intermediate tank of continuous casting machine car multi-cylinder synchronous lifting automatic compensating device, on the basis of former intermediate tundish carriage control setup, make improvements, by install displacement pickup additional in oil cylinder, the position of Real-time Feedback piston rod, and by electrical control electromagnetic compensation valve, be intended to realize and automatically correct the height tolerance that each oil cylinder produces in operational process.The running precision of raising equipment and efficiency.
The utility model is achieved in that a kind of intermediate tank of continuous casting machine car multi-cylinder synchronous lifting automatic compensating device comprises hoist cylinder, cylinder head locking throttle compensating valve group, flow regulating valve, intermediate tundish carriage overhead control valve group.Hoist cylinder is connected with intermediate tundish carriage overhead control valve group by hydraulic circuit, on described hydraulic circuit, is provided with flow regulating valve, in the cylinder head of described hoist cylinder lower end, divides a cylinder head locking throttle compensating valve group is set.
Further, in described hoist cylinder, be provided with displacement pickup, this sensor is connected in intermediate tundish carriage overhead control valve group;
Further, in described intermediate tundish carriage overhead control valve group, be provided with electrical equipment throttle compensating valve, auto/man transfer switch, oil cylinder position adjusting knob, oil cylinder position display instrument and alarm lamp are set.
Effect gathers
A kind of intermediate tank of continuous casting machine car multi-cylinder synchronous lifting automatic compensating device of the present utility model, on the basis of former intermediate tundish carriage control setup, make improvements, by install displacement pickup additional in oil cylinder, the position of Real-time Feedback piston rod, and compensate by electrical control, can realize and automatically correct the height tolerance that each oil cylinder produces in operational process.Improve the running precision of equipment and the reliability of complete machine, liberated manpower, improved efficiency.
Accompanying drawing explanation
Fig. 1 is intermediate tundish carriage control cock group and locking compensation valve block structure and scheme of installation
In figure: 1, hoist cylinder 2, cylinder head locking throttle compensating valve group 3, flow regulating valve 4, intermediate tundish carriage overhead control valve group.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is elaborated:
As shown in Figure 1, the utility model is achieved in that a kind of intermediate tank of continuous casting machine car multi-cylinder synchronous lifting automatic compensating device comprises hoist cylinder 1, cylinder head locking throttle compensating valve group 2, flow regulating valve 3, intermediate tundish carriage overhead control valve group 4.Described hoist cylinder 1 is connected with intermediate tundish carriage overhead control valve group 4 by hydraulic circuit, is provided with flow regulating valve 3 on described hydraulic circuit, in the cylinder head of described hoist cylinder 1 lower end, divides a cylinder head locking throttle compensating valve group 2 is set.
Further, in described hoist cylinder 1, be provided with displacement pickup, this sensor is connected in intermediate tundish carriage overhead control valve group 4;
Further, in described intermediate tundish carriage overhead control valve group 4, be provided with electrical equipment throttle compensating valve, auto/man transfer switch, oil cylinder position adjusting knob, oil cylinder position display instrument and alarm lamp are set.
Principle of work
As shown in Figure 1, by the auto/man transfer switch in intermediate tundish carriage overhead control valve group 4, can select manual master mode and automatic control mode.With the hoist cylinder 1 of displacement pickup, as the power element of tank car lifting; Cylinder head locking throttle compensating valve group 2, there are two functions: one. locking cylinder when oil cylinder stops at an arbitrary position, prevent from landing because of deadweight, two. when four oil cylinders are during in synchronous motor drive actions, if generation height tolerance, can, by the feedback of oil cylinder displacement pickup and the electromagnetic compensation valve in electrical control throttle compensating valve group, control respectively each oil cylinder and correct and compensate.Flow regulating valve 3, act as and regulates by the oil mass of electromagnetic compensation valve, the running velocity while regulating hoist cylinder 1 compensating movement.Intermediate tundish carriage overhead control valve group 4, is responsible for the control of the overall lifting of intermediate tundish carriage and traversing action.Hoist cylinder 1 stops after action, if position deviation value is greater than provisional value, warning device work, manually intervenes and recover after operating personal ascertains the reason.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (2)
1. an intermediate tank of continuous casting machine car multi-cylinder synchronous lifting automatic compensating device, it is characterized in that, this device comprises hoist cylinder, cylinder head locking throttle compensating valve group, flow regulating valve, intermediate tundish carriage overhead control valve group, described hoist cylinder is connected with intermediate tundish carriage overhead control valve group by hydraulic circuit, on described hydraulic circuit, be provided with flow regulating valve, in the cylinder head of described hoist cylinder lower end, divide a cylinder head locking throttle compensating valve group is set;
In described hoist cylinder, be provided with displacement pickup, this displacement pickup is connected in intermediate tundish carriage overhead control valve group.
2. intermediate tank of continuous casting machine car multi-cylinder synchronous lifting automatic compensating device according to claim 1, it is characterized in that, in described intermediate tundish carriage overhead control valve group, be provided with electrical equipment throttle compensating valve, auto/man transfer switch, oil cylinder position adjusting knob, oil cylinder position display instrument and alarm lamp are set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320836535.3U CN203740983U (en) | 2013-12-18 | 2013-12-18 | Continuous casting machine intermediate tank car multi-cylinder synchronous lifting automatic compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320836535.3U CN203740983U (en) | 2013-12-18 | 2013-12-18 | Continuous casting machine intermediate tank car multi-cylinder synchronous lifting automatic compensation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203740983U true CN203740983U (en) | 2014-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320836535.3U Expired - Fee Related CN203740983U (en) | 2013-12-18 | 2013-12-18 | Continuous casting machine intermediate tank car multi-cylinder synchronous lifting automatic compensation device |
Country Status (1)
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| CN (1) | CN203740983U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832499A (en) * | 2015-03-20 | 2015-08-12 | 中冶赛迪电气技术有限公司 | Deviation-balancing-based lifting synchronization control method and apparatus of tundish car |
| CN108087357A (en) * | 2017-12-28 | 2018-05-29 | 国网福建省电力有限公司 | Double lifting point gate relay type hydraulic headstock gear closed-loop synchronization control method |
| EP3643930A4 (en) * | 2017-06-22 | 2020-06-24 | Maanshan Iron & Steel Co., Ltd. | Synchronous control method based on synchronous control system for lifting hydraulic cylinders of tundish in continuous casting |
-
2013
- 2013-12-18 CN CN201320836535.3U patent/CN203740983U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104832499A (en) * | 2015-03-20 | 2015-08-12 | 中冶赛迪电气技术有限公司 | Deviation-balancing-based lifting synchronization control method and apparatus of tundish car |
| EP3643930A4 (en) * | 2017-06-22 | 2020-06-24 | Maanshan Iron & Steel Co., Ltd. | Synchronous control method based on synchronous control system for lifting hydraulic cylinders of tundish in continuous casting |
| CN108087357A (en) * | 2017-12-28 | 2018-05-29 | 国网福建省电力有限公司 | Double lifting point gate relay type hydraulic headstock gear closed-loop synchronization control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20171218 |