CN206929149U - A kind of sychronisation for controlling furnace cover lifting oil cylinder - Google Patents
A kind of sychronisation for controlling furnace cover lifting oil cylinder Download PDFInfo
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- CN206929149U CN206929149U CN201720537230.0U CN201720537230U CN206929149U CN 206929149 U CN206929149 U CN 206929149U CN 201720537230 U CN201720537230 U CN 201720537230U CN 206929149 U CN206929149 U CN 206929149U
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- oil cylinder
- valve
- sychronisation
- furnace cover
- cover lifting
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Abstract
The utility model proposes a kind of sychronisation for controlling furnace cover lifting oil cylinder, including：Solenoid directional control valve；Multiple regulation valve groups, it is connected to the solenoid directional control valve, the regulating valve group is connected to the bell of oil cylinder, first sensor is provided with the pipeline of wherein described connection oil cylinder, second sensor is respectively arranged with the multiple oil cylinder, the first sensor and second sensor are connected to controller, and the controller controls the multiple regulation valve group.The utility model proposes control furnace cover lifting oil cylinder sychronisation, single oil cylinder speed is adjusted by controlling proportioning valve flow, multiple hoist cylinders is realized synchronization action, so as to reach the purpose that bell steadily lifts.
Description
Technical field
It the utility model is related to field of steel-making, and more particularly to a kind of sychronisation for controlling furnace cover lifting oil cylinder.
Background technology
In the modern times make steel, in order to produce more suitable continuous casting with molten steel, it is necessary to the molten steel to get off to converter to carry out composition micro-
Adjust, to meet requirement of the continuous casting to molten steel composition and temperature, therefore just need by RH vacuum circulation degassings refining furnace or ladle
Refining furnace (LADLE FURNACE, LF) goes to complete related molten steel composition regulation.
Generally, the furnace cover lifting of LF stoves is realized by three hositing mechanisms of furnace roof being supported on platform.Furnace cover lifting machine
Structure is to lift bell by three hydraulic cylinders, and the synchronization action of three bells is realized by hydraulic synchronous motor.But
In the production process of reality, due to the position of three oil cylinders, the frictional resistance difference of oil cylinder and the load undertaken are uneven
Deng along with syncmotor is there is also certain error, it is asynchronous the motion of three oil cylinders then will often occur, so as to make
The bell run-off the straight into lifting process and can not normally produce；And hydraulic synchronous motor control can only be realized in uphill process
Synchronous adjustment, decline process can not adjust.
Utility model content
The utility model proposes a kind of sychronisation for controlling furnace cover lifting oil cylinder, by controlling proportioning valve flow come to list
Individual oil cylinder speed is adjusted, and multiple hoist cylinders is realized synchronization action, so as to reach the purpose that bell steadily lifts.
In order to achieve the above object, the utility model proposes a kind of sychronisation for controlling furnace cover lifting oil cylinder, including：
Solenoid directional control valve；
Multiple regulation valve groups, the solenoid directional control valve being connected to, the regulating valve group is connected to the bell of oil cylinder,
First sensor is provided with the pipeline of wherein described connection oil cylinder, second is respectively arranged with the multiple oil cylinder
Sensor, the first sensor and second sensor are connected to controller, and the controller controls the multiple regulation
Valve group
Further, the regulation valve group includes unidirectional valve group and proportioning valve.
Further, the unidirectional valve group and proportioning valve are attached by bridge type return.
Further, the unidirectional valve group includes being sequentially connected the first check valve, the second check valve, the 3rd check valve and
4th check valve.
Further, first check valve and the 3rd check valve mixing ratio valve group close the rate of climb of regulation oil cylinder.
Further, second check valve and the 4th check valve mixing ratio valve group close the decrease speed of regulation oil cylinder.
Further, the first sensor is pressure switch, and the pressure switch detects each loine pressure transmission
Control multiple flows for adjusting valve groups that single oil cylinder speed is adjusted to controller, and by controller, make multiple liters
Drop oil cylinder realizes synchronization action.
Further, the second sensor is displacement transducer, for detecting the lifting displacement of oil cylinder and being transferred to control
Device processed, and control multiple flows for adjusting valve groups that single oil cylinder speed is adjusted by controller, make multiple lifting oil
Cylinder realizes synchronization action.
The utility model proposes control furnace cover lifting oil cylinder sychronisation, pass through hydraulic proportion valve and pressure compensator
Combine to adjust the speed of bell hoist cylinder.In furnace cover lifting hydraulic system, three on bell are controlled with a reversal valve
Individual oil cylinder lifts simultaneously, is combined by three groups of hydraulic proportion valves and pressure compensator and each oil cylinder speed is finely adjusted respectively, with reality
The synchronous purpose of existing three oil cylinders, so that bell can realize stable lifting.The utility model patent is ensureing equipment just
On the premise of normal use, have simple in construction, securely and reliably, be easy to adjust, it is easy to maintenance the advantages that.
Brief description of the drawings
Fig. 1 show the sychronisation structural representation of the control furnace cover lifting oil cylinder of the utility model preferred embodiment.
Embodiment
Specific embodiment of the present utility model is provided below in conjunction with accompanying drawing, but the utility model is not limited to following implementation
Mode.According to following explanation and claims, advantages and features of the present utility model will become apparent from.It should be noted that accompanying drawing
Non- accurately ratio is used using very simplified form and, be only used for convenience, lucidly aid in illustrating the utility model
The purpose of embodiment.
Fig. 1 is refer to, Fig. 1 show the sychronisation knot of the control furnace cover lifting oil cylinder of the utility model preferred embodiment
Structure schematic diagram.The utility model proposes a kind of sychronisation for controlling furnace cover lifting oil cylinder, including：Solenoid directional control valve 100；It is multiple
Valve group is adjusted, is connected to the solenoid directional control valve 100, the regulating valve group is connected to the bell of oil cylinder, wherein the company
Connect and first sensor 400 is provided with the pipeline of oil cylinder, second sensor 500 is respectively arranged with the multiple oil cylinder, it is described
First sensor 400 and second sensor 500 are connected to controller, and the controller controls the multiple regulation valve group.
According to the utility model preferred embodiment, the solenoid directional control valve 100 is connected with 3 furnace cover lifting oil cylinders, respectively
For oil cylinder one, oil cylinder two and oil cylinder three.
The regulation valve group includes unidirectional valve group 200 and proportioning valve 300.Further, the unidirectional valve group 200 and ratio
Valve 300 is attached by bridge type return.The first check valve 201, second that the unidirectional valve group 200 includes being sequentially connected is unidirectional
Valve 202, the 3rd check valve 203 and the 4th check valve 204.First check valve 201 and the 3rd check valve 203 the mixing ratio valve
The rate of climb of 300 combination regulation oil cylinders.Second check valve 202 and the 4th check valve 204 mixing ratio valve 300 combination is adjusted
The decrease speed of fuel-economizing cylinder.
According to the preferred embodiment of the utility model first, the first sensor 400 is pressure switch, the pressure after
Each loine pressure of Electrical Testing is simultaneously transferred to controller, and controls the flow of multiple regulation valve groups by controller come to single oil
Cylinder speed is adjusted, and multiple hoist cylinders is realized synchronization action.
According to the preferred embodiment of the utility model second, the second sensor 500 is displacement transducer, for detecting oil
The lifting displacement of cylinder is simultaneously transferred to controller, and controls the flow of multiple regulation valve groups by controller come to single oil cylinder speed
It is adjusted, multiple hoist cylinders is realized synchronization action.When the lifting speed of one of oil cylinder, to be faster than (or being slower than) other
During two oil cylinders, now signal is passed to controller by displacement transducer, is adjusted by adjusting the corresponding can of proportioning valve 300
The speed of this oil cylinder, it is consistent the speed of itself and two other oil cylinder, to reach the steady of furnace cover lifting.When bell rises
When, the upper of oil cylinder is adjusted by the first check valve 201 in bridge type return and the combination of the mixing ratio valve 300 of the 3rd check valve 203
Lifting speed, bell is set steadily to increase；When bell declines, pass through the second check valve 202 and the 4th check valve in bridge type return
The decrease speed of 204 mixing ratio valves 300 combination regulation oil cylinder, to adjust the steady decline of bell.
In summary, the utility model proposes control furnace cover lifting oil cylinder sychronisation, by hydraulic proportion valve and
Pressure compensator is combined to adjust the speed of bell hoist cylinder.In furnace cover lifting hydraulic system, controlled with a reversal valve
Three oil cylinders on bell lift simultaneously, are combined by three groups of hydraulic proportion valves and pressure compensator and each oil cylinder speed is carried out respectively
Fine setting, to realize the synchronous purpose of three oil cylinders, so that bell can realize stable lifting.The utility model patent is being protected
Demonstrate,prove equipment normal use on the premise of, have it is simple in construction, securely and reliably, be easy to adjust, it is easy to maintenance the advantages that.
Although the utility model is disclosed above with preferred embodiment, so it is not limited to the utility model.This reality
With new those of ordinary skill in the art, do not departing from spirit and scope of the present utility model, it is each when that can make
The change and retouching of kind.Therefore, the scope of protection of the utility model is worked as and is defined depending on those as defined in claim.
Claims (8)
- A kind of 1. sychronisation for controlling furnace cover lifting oil cylinder, it is characterised in that including：Solenoid directional control valve；Multiple regulation valve groups, the solenoid directional control valve being connected to, the regulating valve group is connected to the bell of oil cylinder,First sensor is provided with the pipeline of wherein described connection oil cylinder, the second sensing is respectively arranged with the multiple oil cylinder Device, the first sensor and second sensor are connected to controller, and the controller controls the multiple regulation valve group.
- 2. the sychronisation of control furnace cover lifting oil cylinder according to claim 1, it is characterised in that the regulation valve group bag Include unidirectional valve group and proportioning valve.
- 3. the sychronisation of control furnace cover lifting oil cylinder according to claim 2, it is characterised in that the unidirectional valve group and Proportioning valve is attached by bridge type return.
- 4. the sychronisation of control furnace cover lifting oil cylinder according to claim 2, it is characterised in that the unidirectional valve group bag Include the first check valve being sequentially connected, the second check valve, the 3rd check valve and the 4th check valve.
- 5. the sychronisation of control furnace cover lifting oil cylinder according to claim 4, it is characterised in that first check valve The rate of climb of regulation oil cylinder is closed with the 3rd check valve mixing ratio valve group.
- 6. the sychronisation of control furnace cover lifting oil cylinder according to claim 4, it is characterised in that second check valve The decrease speed of regulation oil cylinder is closed with the 4th check valve mixing ratio valve group.
- 7. the sychronisation of control furnace cover lifting oil cylinder according to claim 1, it is characterised in that the first sensor For pressure switch, the pressure switch detects each loine pressure and is transferred to controller, and controls multiple tune by controller Single oil cylinder speed is adjusted the flow for saving valve group, multiple hoist cylinders is realized synchronization action.
- 8. the sychronisation of control furnace cover lifting oil cylinder according to claim 1, it is characterised in that the second sensor For displacement transducer, for detecting the lifting displacement of oil cylinder and being transferred to controller, and multiple regulating valves are controlled by controller Single oil cylinder speed is adjusted the flow of group, multiple hoist cylinders is realized synchronization action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720537230.0U CN206929149U (en) | 2017-05-15 | 2017-05-15 | A kind of sychronisation for controlling furnace cover lifting oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720537230.0U CN206929149U (en) | 2017-05-15 | 2017-05-15 | A kind of sychronisation for controlling furnace cover lifting oil cylinder |
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| Publication Number | Publication Date |
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| CN206929149U true CN206929149U (en) | 2018-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720537230.0U Active CN206929149U (en) | 2017-05-15 | 2017-05-15 | A kind of sychronisation for controlling furnace cover lifting oil cylinder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110714948A (en) * | 2019-10-17 | 2020-01-21 | 广东博智林机器人有限公司 | Control system and method for synchronous operation of multiple hydraulic execution elements and climbing frame |
-
2017
- 2017-05-15 CN CN201720537230.0U patent/CN206929149U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110714948A (en) * | 2019-10-17 | 2020-01-21 | 广东博智林机器人有限公司 | Control system and method for synchronous operation of multiple hydraulic execution elements and climbing frame |
| CN110714948B (en) * | 2019-10-17 | 2021-03-26 | 广东博智林机器人有限公司 | Control system and method for synchronous operation of multiple hydraulic execution elements and climbing frame |
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