CN203516303U - Hydraulic control device of coil stripping vehicle - Google Patents
Hydraulic control device of coil stripping vehicle Download PDFInfo
- Publication number
- CN203516303U CN203516303U CN201320622015.2U CN201320622015U CN203516303U CN 203516303 U CN203516303 U CN 203516303U CN 201320622015 U CN201320622015 U CN 201320622015U CN 203516303 U CN203516303 U CN 203516303U
- Authority
- CN
- China
- Prior art keywords
- control device
- coil
- node
- steel coil
- hydraulic cylinder
- 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.)
- Expired - Fee Related
Links
- 230000000630 rising effect Effects 0.000 claims abstract description 6
- 239000010426 asphalt Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 238000006748 scratching Methods 0.000 abstract description 3
- 230000002393 scratching effect Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000001174 ascending effect Effects 0.000 abstract 1
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
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- Winding, Rewinding, Material Storage Devices (AREA)
Abstract
本实用新型提供一种卸卷车液压控制装置，在电磁换向阀与升降液压缸无杆腔上升油路通道上通过液压连接管连接一四节点压力传感器，并将各节点的压力控制编制到控制程序中，建立连锁条件，防止溢流阀出现意外卡阻时执行机构的机械设备动作异常，保证了钢卷上升位置的准确性，可有效避免划伤钢卷内表面现象，杜绝重大设备事故，从而减少维修作业时间，降低生产成本，提高设备作业率和钢卷表面质量合格率。
The utility model provides a hydraulic control device for a coil unloading vehicle. A four-node pressure sensor is connected to an electromagnetic reversing valve and a lifting hydraulic cylinder rodless cavity ascending oil passage through a hydraulic connection pipe, and the pressure control of each node is programmed into the In the control program, interlocking conditions are established to prevent the mechanical equipment of the actuator from operating abnormally when the overflow valve is accidentally jammed, ensuring the accuracy of the rising position of the steel coil, effectively avoiding the phenomenon of scratching the inner surface of the steel coil, and preventing major equipment accidents , so as to reduce maintenance operation time, reduce production costs, improve equipment operation rate and steel coil surface quality pass rate.
Description
Technical field
The utility model belongs to hydraulic control system field, relates in particular to a kind of smooth unit of hot-strip bundling that scratches coil of strip internal diameter of avoiding and unloads volume car hydraulic control device.
Background technique
It is 5-30 ton that the smooth unit of hot-strip bundling is produced coil of strip weight specification, is unloading in the design of volume car hydraulic control and element, no matter produce multiple coil of strip, the setting of its low pressure is a definite value, and this is the necessary condition that guarantees equipment safety operation.Relief valve is to control to unload volume car and connect volume bracket unlifting pressure, realize the key element of " soft contact " function, in actual production process, there is spool jam phenomenon in occasional, once there is abnormal jam in the relief valve in hydraulic valve bank, will make the volume bracket unlifting pressure that connects of actuator increase, occur that coil of strip lifting position is higher, thereby scratch coil of strip internal surface, to enterprise, cause product loss and increase cost of production.If there is stuck phenomenon in relief valve, will cause connecing volume bracket and lose " soft contact " function, directly with high pressure, rise, cause unloading the climbing power of volume car bracket for coiled steel abnormal pressure, cause and damage the whole machinery of coiling machine, there is great pernicious equipment accident.
Summary of the invention
The utility model aims to provide and a kind ofly can effectively prevent that jam or stuck phenomenon from appearring in relief valve spool, thus avoid scratching coil of strip internal surface and middle large equipment accident unload volume car hydraulic control device.
For this reason, the solution that the utility model is taked is:
A kind of volume car hydraulic control device that unloads, comprise solenoid directional control valve and lifting hydraulic cylinder, it is characterized in that, set up a pressure transducer between solenoid directional control valve and lifting hydraulic cylinder, pressure transducer is connected on solenoid directional control valve and lifting hydraulic cylinder rodless cavity rising asphalt channel by hydraulic connecting pipe.
Described pressure transducer is four node pressure sensors.
The beneficial effects of the utility model are:
Owing to having set up four node pressure sensors on solenoid directional control valve and lifting hydraulic cylinder rodless cavity rising asphalt channel, and the pressure of each node is controlled and is organized in control program, set up chain condition, prevent the machinery remarkable action of actuator when unexpected jam appears in relief valve, guaranteed the accuracy of coil of strip lifting position, can effectively avoid scratching coil of strip internal surface phenomenon, stop substantial equipment accident, thereby reduce the maintenance operation time, reduce production costs, improve equipment operation rate and coil of strip surface quality up-to-standard rate.
Accompanying drawing explanation
Fig. 1 unloads volume car hydraulic control device structural representation.
In figure: solenoid directional control valve 1, lifting hydraulic cylinder rodless cavity rising asphalt channel 2, four node pressure sensors 3, hydraulic connecting pipe 4, lifting hydraulic cylinder 5.
Embodiment
As seen from Figure 1, it is mainly by hydraulic connecting pipe 4, to be connected on solenoid directional control valve 1 and lifting hydraulic cylinder rodless cavity rising asphalt channel 2 having set up four node pressure sensor 3, four node pressure sensors 3 between original solenoid directional control valve 1 and lifting hydraulic cylinder 5 that the utility model unloads volume car hydraulic control device.Four node pressure sensors 3 are corresponding low-voltage power-off switch, control point, low pressure closed zone, control point, high pressure closed zone and the high pressure deenergizing switch controlled respectively.
Claims (2)
1. one kind is unloaded volume car hydraulic control device, comprise solenoid directional control valve and lifting hydraulic cylinder, it is characterized in that, between solenoid directional control valve and lifting hydraulic cylinder, set up a pressure transducer, pressure transducer is connected on solenoid directional control valve and lifting hydraulic cylinder rodless cavity rising asphalt channel by hydraulic connecting pipe.
2. the volume car hydraulic control device that unloads according to claim 1, is characterized in that, described pressure transducer is four node pressure sensors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320622015.2U CN203516303U (en) | 2013-10-09 | 2013-10-09 | Hydraulic control device of coil stripping vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320622015.2U CN203516303U (en) | 2013-10-09 | 2013-10-09 | Hydraulic control device of coil stripping vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203516303U true CN203516303U (en) | 2014-04-02 |
Family
ID=50375239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320622015.2U Expired - Fee Related CN203516303U (en) | 2013-10-09 | 2013-10-09 | Hydraulic control device of coil stripping vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203516303U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989693A (en) * | 2015-08-13 | 2015-10-21 | 江苏甬金金属科技有限公司 | Lifting control system for steel coil conveying trolley |
-
2013
- 2013-10-09 CN CN201320622015.2U patent/CN203516303U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989693A (en) * | 2015-08-13 | 2015-10-21 | 江苏甬金金属科技有限公司 | Lifting control system for steel coil conveying trolley |
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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 |
Granted publication date: 20140402 Termination date: 20191009 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |