CN201304418Y - A reversal stepping cold bed hydraulic synchronization control device - Google Patents
A reversal stepping cold bed hydraulic synchronization control device Download PDFInfo
- Publication number
- CN201304418Y CN201304418Y CNU200820180987XU CN200820180987U CN201304418Y CN 201304418 Y CN201304418 Y CN 201304418Y CN U200820180987X U CNU200820180987X U CN U200820180987XU CN 200820180987 U CN200820180987 U CN 200820180987U CN 201304418 Y CN201304418 Y CN 201304418Y
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- hydraulic cylinder
- cold bed
- valve
- control device
- 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
Images
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model discloses a reversal stepping cold bed hydraulic synchronization control device, which comprises a hydraulic cylinder for driving the synchronous lifting of the cold bed and a hydraulic cylinder for driving the synchronous translation of the cold bed, i.e., a lifting hydraulic cylinder and a translation hydraulic cylinder. A hydraulic control loop of the lifting hydraulic cylinder realizes hydraulic synchronization through a plug-in speed control valve arranged on a rodless cavity of the lifting hydraulic cylinder; an oil inlet and an oil outlet of the plug-in speed control valve are respectively connected with the rodless cavity of the lifting hydraulic cylinder and a hydraulic control valve unit. A hydraulic control loop of the translation hydraulic cylinder realizes hydraulic synchronization through an electro-hydraulic proportional directional valve; an oil inlet and an oil outlet of the electro-hydraulic proportional directional valve are respectively connected with the main pipe from a hydraulic pump station and the translation hydraulic cylinder. The hydraulic synchronization control device realized by the technical proposal is characterized by lower cost, reduced device weight, simple piping, accurate off-position, light vibration during operating, low noise, reliable operation, and convenient manufacture, installation and maintenance.
Description
Technical field
The utility model relates to a kind of upset step cooling bed hydraulic pressure sychronisation, is specifically related to a kind of hydraulic pressure sync control device that does not have syncmotor.
Background technology
The stepping turn over cooling bed is meant at the moving beam of cold bed, decides the suitable profile of tooth of processing on the beam, because step pitch greater than tooth pitch, makes steel billet (square billet, steel pipe) in the upset of stepping limit, tooth top, steel billet reaches evenly, the effect of quick cooling.The step cooling bed sychronisation divides following form: motor reducer drives synchronous shaft type, hydraulic-driven syncmotor synchronous mode.
Lifting, the translational motion that first kind of structure is step cooling bed all is to drive synchronizing shaft by motor reducer to transmit and be synchronized with the movement.The characteristics of this structure are: weight of equipment is big, the big manufacturing expense height of synchronizing shaft weight, strict to installation and maintenance, the crowded ventilation effect of cold bed melt pit equipment is poor, maintenance is big.
The lifting that second kind of structure is step cooling bed adopts two groups of hydraulic cylinders arranging along the blank direction of motion to drive, every group of two hydraulic cylinder along the cold bed width be arranged in parallel, translational motion adopts one group of (2/group) hydraulic cylinder that is arranged in parallel along the blank direction of motion to drive, the hydraulic-driven step cooling bed must adopt the hydraulic pressure sync control device to realize synchronous step motion because of no synchronizing shaft.The characteristics of this structure are: weight of equipment is less, the expense of syncmotor is more lower slightly than synchronizing shaft expense, the not crowded ventilation effect of cold bed melt pit equipment is good, maintenance is big.But syncmotor must select for use band to eliminate the external part of high-performance of accumulated error automatically.Therefore, production cost is still than higher.
The utility model content
The purpose of this utility model is to overcome the prior art deficiency, provides that a kind of cost is low, dependable performance, maintenance is simple, off-position is accurate, impact little hydraulic pressure sync control device.
For achieving the above object, the utility model adopts a kind of novel hydraulic sync control device, and wherein, the hydraulic control circuit of four lifting hydraulic cylinders realizes that by four plug-in mounting flow speed control valves that are contained in the hydraulic cylinder rodless cavity hydraulic pressure is synchronous; The direction control of lifting hydraulic cylinder, speed control, pressure control all realize by inserted valve.The hydraulic control circuit of two stage translation hydraulic cylinders realizes that by two hydraulic proportional direction valves hydraulic pressure is synchronous, and direction control, the speed control of translation hydraulic cylinder all realize by electrohydraulic proportional directional valve.Described electrohydraulic proportional directional valve is the electrohydraulic proportional directional valve of belt spool position feedback.The hydraulic pressure of described lifting hydraulic cylinder comes synchronously for the plug-in mounting flow speed control valve that is contained in the hydraulic cylinder rodless cavity by four synchronously.
Particularly, the utility model provides a kind of upset step cooling bed hydraulic pressure sync control device, comprise hydraulic cylinder that drives the cold bed synchronization lifting and the hydraulic cylinder that drives the synchronous translation of cold bed, wherein, the plug-in mounting flow speed control valve of the hydraulic cylinder rodless cavity of the hydraulic control circuit of the hydraulic cylinder of described driving cold bed synchronization lifting by being installed in described driving cold bed synchronization lifting realizes that hydraulic pressure is synchronous, being connected with the hydraulic control valve group with the rodless cavity of the hydraulic cylinder of described driving cold bed synchronization lifting respectively into and out of hydraulic fluid port of described plug-in mounting flow speed control valve; The hydraulic control circuit of the hydraulic cylinder of the synchronous translation of described driving cold bed realizes that by electrohydraulic proportional directional valve hydraulic pressure is synchronous, the oil-in of described electrohydraulic proportional directional valve is connected with the person in charge that hydraulic power unit comes, and the oil-out of described electrohydraulic proportional directional valve is connected with the hydraulic cylinder of the synchronous translation of described driving cold bed.
Preferably, the quantity of the hydraulic cylinder of described driving cold bed synchronization lifting is for dividing four of 4 layouts, and four described plug-in mounting flow speed control valves are separately positioned in the rodless cavity of hydraulic cylinder of corresponding described driving cold bed synchronization lifting.
Preferably, the quantity of the hydraulic cylinder of the synchronous translation of described driving cold bed is two of 2 layouts of branch.
Preferably, be provided with sensor in the hydraulic cylinder of the synchronous translation of described driving cold bed.
Preferably, described electrohydraulic proportional directional valve is the electrohydraulic proportional directional valve of belt spool position feedback.
Preferably, the hydraulic control circuit of the hydraulic cylinder of the synchronous translation of described driving cold bed is provided with hydraulic control one-way valve, being connected with the hydraulic cylinder rod chamber of described electrohydraulic proportional directional valve with the synchronous translation of described driving cold bed respectively into and out of hydraulic fluid port of described hydraulic control one-way valve.
Preferably, described hydraulic control one-way valve adopts the external control mode.
Particularly, described hydraulic control one-way valve is controlled by solenoid electric valve, and the oil-in of described solenoid electric valve is connected with the principal pressure pipe that hydraulic power unit comes, and its oil-out is connected with hydraulic control one-way valve.
The utility model technology compared with prior art has the following advantages:
Owing to cancelled expensive syncmotor, reduce the pipe arrangement amount, save cost.
Owing to adopt inserted valve to control elevating movement, to reveal for a short time, commutation, speed governing are steady, and the impact of cylinder ends position is little, and off-position is accurate.
Because adopt electro-hydraulic proportional valve control translational motion, it is convenient that different blank specifications are switched step pitch, electro-hydraulic proportional valve control cylinder ends position is impacted little.External control hydraulic control one-way valve positive lock translation hydraulic cylinder also operates steadily hydraulic cylinder.Electro-hydraulic proportional valve spool position feedback and hydraulic cylinder displacement transducer feedback signal can feed back to electric-control system and realize the accurate off-position of hydraulic cylinder.
Overall operation is reliable, makes, installs and safeguard all to make things convenient for.
Description of drawings
Fig. 1 is the structural representation of upset step cooling bed of the present utility model;
Fig. 2 is the lifting hydraulic control schematic diagram of upset step cooling bed of the present utility model,
Fig. 3 is the translation hydraulic control schematic diagram of upset step cooling bed of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model preferred implementation is elaborated.
The utility model provides a kind of upset step cooling bed hydraulic pressure sync control device, comprises hydraulic cylinder that drives the cold bed synchronization lifting and the hydraulic cylinder that drives the synchronous translation of cold bed, is designated hereinafter simply as lifting hydraulic cylinder and translation hydraulic cylinder.Wherein, the hydraulic control circuit of lifting hydraulic cylinder realizes that by the plug-in mounting flow speed control valve that is installed in the lifting hydraulic cylinder rodless cavity hydraulic pressure is synchronous, being connected with the hydraulic control valve group with the rodless cavity of this lifting hydraulic cylinder respectively into and out of hydraulic fluid port of described plug-in mounting flow speed control valve; The hydraulic control circuit of described translation hydraulic cylinder realizes that by electrohydraulic proportional directional valve hydraulic pressure is synchronous, and the oil-in of described electrohydraulic proportional directional valve is connected with the person in charge that hydraulic power unit comes, and its oil-out is connected with the translation hydraulic cylinder.
In preferred enforcement, the quantity of lifting hydraulic cylinder is four of 4 layouts of branch, and four plug-in mounting flow speed control valves are separately positioned in the rodless cavity of corresponding lifting hydraulic cylinder.Alternatively, the quantity of the hydraulic cylinder of described translation is two of 2 layouts of branch.
Alternatively, be provided with displacement transducer in the translation hydraulic cylinder, the translation hydraulic cylinder moves different strokes according to blank specification fluid,matching cylinder pressure inbuilt displacement sensor.
In a preferred embodiment, described electrohydraulic proportional directional valve can adopt the electrohydraulic proportional directional valve of belt spool position feedback.
The hydraulic control circuit of translation hydraulic cylinder is provided with hydraulic control one-way valve, being connected with translation hydraulic cylinder rod chamber with electrohydraulic proportional directional valve respectively into and out of hydraulic fluid port of this hydraulic control one-way valve.Alternatively, this hydraulic control one-way valve adopts external control mode, adopts the reliable and motion of the hydraulic control one-way valve latched position of external control mode not creep.Preferably, described hydraulic control one-way valve is controlled by solenoid electric valve, and the oil-in of described solenoid electric valve is connected with the principal pressure pipe that hydraulic power unit comes, and its oil-out is connected with the hydraulic control one-way valve pilot control opening.
As shown in Figure 1, be the structural representation of upset step cooling bed of the present utility model.Below in conjunction with Fig. 1 the cold bed action is described.Steel billet is shipped by conveyor roller along the blank direction of motion shown in the arrow, translate on the feeding skid by the stirring hook, provoking steel billet when the carry-over bar 1 of cold bed rises rises, the lifting of cold bed promotes steel billet by four hydraulic cylinder synchronous that are divided into first group of hydraulic cylinder 3 and second group of hydraulic cylinder 5, translation hydraulic cylinder 4 drives carry-over bar 1 advances steel billet, steel billet was placed on the fixed rack 2 when lifting hydraulic cylinder descended, and translation hydraulic cylinder 4 drives carry-over bar 1 and retreats, and finishes a stepwise operation cycle.So go round and begin again, steel billet is delivered on the discharge pedestal step by step.
Fig. 2 is the lifting hydraulic control schematic diagram of upset step cooling bed of the present utility model, and four-headed arrow wherein shows the direction that lifting hydraulic cylinder rises and descends.Following structure chart 2 illustrates hydraulic pressure synchronization lifting control loop: the hydraulic control circuit that is divided into four lifting hydraulic cylinders of first group of hydraulic cylinder 3 and second group of hydraulic cylinder 5 is realized that hydraulic pressure is synchronous and is controlled the hydraulic cylinder rising or falling speed by four plug-in mounting flow speed control valves 6 that are contained in the lifting hydraulic cylinder rodless cavity; The direction control of lifting hydraulic cylinder realizes by inserted valve 8, solenoid electric valve 9 and inserted valve cover plate 7; Inserted valve 8 and plug-in mounting cover plate 7 are formed a pin function unit, and the guide of solenoid electric valve 9 control pin function unit controls oily switching, and the three finishes the direction control to lifting hydraulic cylinder jointly.The operation of lifting hydraulic cylinder full stroke, the signal that puts in place is by sending near switch.
Fig. 3 is the translation hydraulic control schematic diagram of upset step cooling bed of the present utility model, and four-headed arrow wherein shows the translation direction that the translation hydraulic cylinder moves forward and backward.Below in conjunction with Fig. 3 the synchronous translation control loop of hydraulic pressure is described.The hydraulic control circuit of two stage translation hydraulic cylinders 4 realizes that by two electrohydraulic proportional directional valves 12 hydraulic pressure is synchronous, direction control, the speed control of translation hydraulic cylinder realize by electrohydraulic proportional directional valve 12 that all electric-control system cooperates translation hydraulic cylinder inbuilt displacement sensor signal controlling translation hydraulic cylinder to move different strokes according to the blank specification.Hydraulic control one-way valve 11 uses the external control mode, by solenoid electric valve 10 its keyings of control.
Guarantee as far as possible during hydraulic piping that hydraulic valve bank controls hydraulic cylinder pipeline equal in length to each.
Need to prove that the above only is preferred embodiment of the present invention, rather than to the qualification of technical solution of the present invention, any the technology of the present invention feature being equal to of being done replaced or corresponding improvement, still within protection scope of the present invention.
Claims (8)
1, a kind of upset step cooling bed hydraulic pressure sync control device, comprise hydraulic cylinder that drives the cold bed synchronization lifting and the hydraulic cylinder that drives the synchronous translation of cold bed, it is characterized in that, the plug-in mounting flow speed control valve of the hydraulic cylinder rodless cavity of the hydraulic control circuit of the hydraulic cylinder of described driving cold bed synchronization lifting by being installed in described driving cold bed synchronization lifting realizes that hydraulic pressure is synchronous, being connected with the hydraulic control valve group with the rodless cavity of the hydraulic cylinder of described driving cold bed synchronization lifting respectively into and out of hydraulic fluid port of described plug-in mounting flow speed control valve; The hydraulic control circuit of the hydraulic cylinder of the synchronous translation of described driving cold bed realizes that by electrohydraulic proportional directional valve hydraulic pressure is synchronous, the oil-in of described electrohydraulic proportional directional valve is connected with the person in charge that hydraulic power unit comes, and the oil-out of described electrohydraulic proportional directional valve is connected with the hydraulic cylinder of the synchronous translation of described driving cold bed.
2, upset step cooling bed hydraulic pressure sync control device as claimed in claim 1, it is characterized in that, the quantity of the hydraulic cylinder of described driving cold bed synchronization lifting is for dividing four of 4 layouts, and four described plug-in mounting flow speed control valves are separately positioned in the rodless cavity of hydraulic cylinder of corresponding described driving cold bed synchronization lifting.
3, upset step cooling bed hydraulic pressure sync control device as claimed in claim 1 is characterized in that, the quantity of the hydraulic cylinder of the synchronous translation of described driving cold bed is two of 2 layouts of branch.
4, upset step cooling bed hydraulic pressure sync control device as claimed in claim 3 is characterized in that, is provided with displacement transducer in the hydraulic cylinder of the synchronous translation of described driving cold bed.
5, upset step cooling bed hydraulic pressure sync control device as claimed in claim 1 is characterized in that described electrohydraulic proportional directional valve is the electrohydraulic proportional directional valve of belt spool position feedback.
6, upset step cooling bed hydraulic pressure sync control device as claimed in claim 1, it is characterized in that, the hydraulic control circuit of the hydraulic cylinder of the synchronous translation of described driving cold bed is provided with hydraulic control one-way valve, being connected with the hydraulic cylinder rod chamber of described electrohydraulic proportional directional valve with the synchronous translation of described driving cold bed respectively into and out of hydraulic fluid port of described hydraulic control one-way valve.
7, upset step cooling bed hydraulic pressure sync control device as claimed in claim 6 is characterized in that, described hydraulic control one-way valve adopts the external control mode.
8, upset step cooling bed hydraulic pressure sync control device as claimed in claim 7, it is characterized in that, described hydraulic control one-way valve is controlled by solenoid electric valve, and the oil-in of described solenoid electric valve is connected with the principal pressure pipe that hydraulic power unit comes, and its oil-out is connected with hydraulic control one-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820180987XU CN201304418Y (en) | 2008-12-11 | 2008-12-11 | A reversal stepping cold bed hydraulic synchronization control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820180987XU CN201304418Y (en) | 2008-12-11 | 2008-12-11 | A reversal stepping cold bed hydraulic synchronization control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201304418Y true CN201304418Y (en) | 2009-09-09 |
Family
ID=41096880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820180987XU Expired - Fee Related CN201304418Y (en) | 2008-12-11 | 2008-12-11 | A reversal stepping cold bed hydraulic synchronization control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201304418Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313647A (en) * | 2010-07-08 | 2012-01-11 | 大连华锐股份有限公司 | Assembly and disassembly device and method of weight balancing arm for testing wind power pitch bearing |
| CN102320443A (en) * | 2011-06-14 | 2012-01-18 | 无锡华联科技集团有限公司 | Pipe storage rack device |
| CN103537492A (en) * | 2013-08-12 | 2014-01-29 | 北京首钢自动化信息技术有限公司 | Synchronous control method for multi-section cooling bed |
| CN106438520A (en) * | 2016-12-17 | 2017-02-22 | 中国重型机械研究院股份公司 | Cooling bed lifting hydraulic synchronous control device |
| CN107237788A (en) * | 2017-06-22 | 2017-10-10 | 马鞍山钢铁股份有限公司 | The synchronisation control means of hydraulic cylinder synchronous control system is translated based on cold bed step rate |
| CN107716566A (en) * | 2017-10-26 | 2018-02-23 | 中冶华天南京电气工程技术有限公司 | 2 sections of walking beam cooler methods of operation of cage guide steel and synchronous operation control method |
| CN111151582A (en) * | 2019-12-31 | 2020-05-15 | 太原重工股份有限公司 | Core rod temperature control system and method |
| CN113669313A (en) * | 2021-07-26 | 2021-11-19 | 北京首钢国际工程技术有限公司 | Hydraulic control valve table of walking beam type steel coil conveying device |
-
2008
- 2008-12-11 CN CNU200820180987XU patent/CN201304418Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313647A (en) * | 2010-07-08 | 2012-01-11 | 大连华锐股份有限公司 | Assembly and disassembly device and method of weight balancing arm for testing wind power pitch bearing |
| CN102313647B (en) * | 2010-07-08 | 2013-11-06 | 大连华锐重工集团股份有限公司 | Assembly and disassembly device of weight balancing arm for testing wind power pitch bearing |
| CN102320443A (en) * | 2011-06-14 | 2012-01-18 | 无锡华联科技集团有限公司 | Pipe storage rack device |
| CN103537492A (en) * | 2013-08-12 | 2014-01-29 | 北京首钢自动化信息技术有限公司 | Synchronous control method for multi-section cooling bed |
| CN103537492B (en) * | 2013-08-12 | 2016-01-20 | 北京首钢自动化信息技术有限公司 | A kind of synchronisation control means for multistage cold bed |
| CN106438520A (en) * | 2016-12-17 | 2017-02-22 | 中国重型机械研究院股份公司 | Cooling bed lifting hydraulic synchronous control device |
| CN107237788A (en) * | 2017-06-22 | 2017-10-10 | 马鞍山钢铁股份有限公司 | The synchronisation control means of hydraulic cylinder synchronous control system is translated based on cold bed step rate |
| CN107716566A (en) * | 2017-10-26 | 2018-02-23 | 中冶华天南京电气工程技术有限公司 | 2 sections of walking beam cooler methods of operation of cage guide steel and synchronous operation control method |
| CN111151582A (en) * | 2019-12-31 | 2020-05-15 | 太原重工股份有限公司 | Core rod temperature control system and method |
| CN113669313A (en) * | 2021-07-26 | 2021-11-19 | 北京首钢国际工程技术有限公司 | Hydraulic control valve table of walking beam type steel coil conveying device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201304418Y (en) | A reversal stepping cold bed hydraulic synchronization control device | |
| US20160131130A1 (en) | Power Unit of Hydraulic Pumping Unit and Corresponding Hydraulic Pumping Unit | |
| CN101712207A (en) | High performance and energy-saving double-acting hydrostatic press driven by servo motor | |
| CN201507500U (en) | Stepping type heating furnace hydraulic balance energy-saving device | |
| CN105502234B (en) | Adjustable speed high thrust hydraulic elevator platform | |
| CN105058554B (en) | A kind of cylinder component and its full-automatic bidirectional pressurized hydraulic brick machine | |
| CN103174687B (en) | Pressurized and energy storing type energy-saving hydraulic pumping unit | |
| CN105697475A (en) | Potential energy recycling system and method of higher-position extractor | |
| CN202088514U (en) | Hydraulic circuit of large-size hydraulic machine comprising novel supercharger | |
| CN101758088B (en) | Cooling-bed hydraulic stepping and tread control device and control method thereof | |
| CN104942087A (en) | Electro-hydraulic synchronous bending machine and control method thereof | |
| CN102030288A (en) | Elevator mechanism of automatic stacking device and control method | |
| CN202398633U (en) | Large steel cooling bed with pre-bending function | |
| CN203097844U (en) | Power unit of hydraulic pumping unit and hydraulic pumping unit comprising power unit | |
| CN201942484U (en) | Lifting mechanism of automatic piling device | |
| CN100535439C (en) | Mechanical automatic control hydraulic driving pumping unit | |
| CN103132954B (en) | Full hydraulic changing stroke energy-saving type oil pumping unit | |
| CN103771286B (en) | Multi-cylinder synchronous lifting mechanism | |
| CN201433869Y (en) | Pressure controllable mortar pump | |
| CN103861983A (en) | Rapid forging press servo direct-drive hydraulic system | |
| CN202866763U (en) | Power unit of hydraulic oil pumping machine and hydraulic oil pumping machine comprising power unit | |
| CN209875620U (en) | Transmission system of stepping mechanism and energy recovery system thereof | |
| CN102155007B (en) | Hydraulic system for trolley driving mechanism of inclined sliding door hoist | |
| CN2705588Y (en) | Energy saving closed loop hydraulic oil pumping unit | |
| CN101338357A (en) | Hydraulic multicylinder high precision synchronous control system for implementing roller quenching machine |
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: 20090909 Termination date: 20151211 |
|
| EXPY | Termination of patent right or utility model |