CN205895727U - Hydraulic control system of step -by -step cold bed - Google Patents
Hydraulic control system of step -by -step cold bed Download PDFInfo
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- CN205895727U CN205895727U CN201620850189.8U CN201620850189U CN205895727U CN 205895727 U CN205895727 U CN 205895727U CN 201620850189 U CN201620850189 U CN 201620850189U CN 205895727 U CN205895727 U CN 205895727U
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Abstract
The utility model discloses a hydraulic control system of step -by -step cold bed, it includes oil tank, hydraulic pump, magenetic exchange valve, proportional control valve, overflow valve, energy storage ware, hydraulically controlled check valve, lift cylinder and translational oil cylinder, it has improved the fuel delivery of system through increase the energy storage ware in the system, guarantees that the confession pressure is sufficient, is favorable to lowering system power demand, energy saving and consumption reduction, and fine effect is played to the corrective maintenance to the effectively absorption system impact of the ware of energy storage simultaneously, the overflow valve help cold bed of establishing ties with the hydraulic pump is waited for and is carried out the off -load when dialling the material and unloading to reduce the power loss, practice thrift the cost, according to lift jar working condition, designed the interlock circuit that adopts two hydraulically controlled check valves to form, realized the locking of piston on the optional position.
Description
Technical field
This utility model is related to a kind of hydraulic control system of step cooling bed, belongs to hydraulic-pressure control apparatus technical field.
Background technology
Cold bed is indispensable equipment on steel rolling production-line, and its major function is to make the steel after high temperature rolling cold
But and slowly it is transplanted on Runout area.Cold bed structure has step-by-step movement, sloping platform posture, chain type, pellet type etc..Walking beam cooler due to
It operates steadily, it is good to cool down quality, is widely used.Step cooling bed body by fixed beam, walking beam, elevating mechanism and
Stepping mechanism etc. forms, and wherein bed surface is made up of carry-over bar and static rack, and during work, carry-over bar rises picking-up steel puts down forward
Move.Therefore, the manner of execution of step cooling bed includes lifting and translates, and the control mode realizing step cooling bed action mainly has motor
Control and hydraulic control, due to motor control mode, cold bed accident is relatively more, is on the verge of to eliminate.Adopting step cooling bed now more
Hydraulic control mode, is responsible for lifting by hoist cylinder, and translation oil cylinder is responsible for translation.But in use, work as production line high-speed
During rolling, often situations such as voltage supply is not enough, hydraulic cylinder is asynchronous in this hydraulic control system, thus leads to action inconsistent, goes out
Now hang the technology accidents such as steel.
Utility model content
In view of this, this utility model provides a kind of hydraulic control system of step cooling bed, and it can improve hydraulic system
Voltage supply ability, improves the reliability of system, so that step cooling bed is operated steadily, and reduces the generation of cold bed technology accident, reduces simultaneously
System power loses, energy-saving.
For solving above technical problem, the technical solution of the utility model is the hydraulic control system using a kind of step cooling bed
System, it includes fuel tank, hydraulic pump, solenoid directional control valve, proportional control valve, overflow valve, accumulator, hydraulic control one-way valve, hoist cylinder
And translation oil cylinder；Fuel tank oil-out connects hydraulic pump oil-in, and hydraulic pump oil-out connects the oil-in of the first overflow valve respectively
With the entrance of the first solenoid directional control valve, the second solenoid directional control valve, the oil-out connection tank drainback mouth of the first overflow valve, the first electricity
The one outlet of magnetic reversal valve connects the oil-in of the first proportional control valve, and the oil-out of the first proportional control valve connects translation oil
The rod chamber room of cylinder, the rodless cavity room of translation oil cylinder connects another outlet of the first solenoid directional control valve；Second solenoid directional control valve
One outlet connect the oil-in of the second proportional control valve, the oil-out of the second proportional control valve connects the first hydraulic control one-way valve
Oil-in, the oil-out of the first hydraulic control one-way valve connects the rodless cavity room of hoist cylinder, the rod chamber room of hoist cylinder and the
The oil-out of two hydraulic control one-way valves connects, and another of oil-in connection second solenoid directional control valve of the second hydraulic control one-way valve goes out
Mouthful, the control mouth of the first hydraulic control one-way valve is connected with the oil-in of the second hydraulic control one-way valve, the control mouth of the second hydraulic control one-way valve
It is connected with the oil-in of the first hydraulic control one-way valve；It is in series with accumulator on described hydraulic pump and the oil circuit of solenoid directional control valve.
Further, described hydraulic pump and in-line filter on the oil circuit of fuel tank.
Further, described accumulator is connected with pressure gauge.
Further, described first solenoid directional control valve and the oil circuit of translation oil cylinder are parallel with the second, the 4th overflow valve, institute
State and be parallel with the three, the 5th overflow valves, when certain electromagnetic switch in system on the second solenoid directional control valve and the oil circuit of hoist cylinder
During valve akinesia, the load that in hydraulic cylinder, oil pressure produces can obtain off-load by overflow valve, thus ensure system reliability dynamic
Make.
Further, described hoist cylinder is 2-4.
Further, described translation oil cylinder is 2.
Compared with prior art, this utility model increased accumulator in systems, improve the fuel delivery of system it is ensured that
Voltage supply is sufficient, and accumulator improves the voltage supply ability of system, advantageously reduces system power demand, energy-saving, accumulation of energy simultaneously
Device can effectively impact absorption system, and good effect is played in the maintenance to equipment；Help cold bed with the overflow valve of hydraulic pressure series connection of pumps
Carry out off-load when waiting material toggling and discharging, to reduce power loss, cost-effective；That is connected with hoist cylinder or translation oil cylinder is overflow
Stream valve ensures that, when certain solenoid directional control valve akinesia in system, the load that in hydraulic cylinder, oil pressure produces can be obtained by overflow valve
To off-load, thus ensureing the action message of system；According to lift cylinders working condition, devise and formed using two hydraulic control one-way valves
Interlock circuit it is achieved that the locking gone up at an arbitrary position of piston.
This utility model can improve the voltage supply ability of hydraulic system, improves the reliability of system, so that step cooling bed is run flat
Surely, reduce the generation of cold bed technology accident, reduce system power loss simultaneously, energy-saving.
Brief description
Fig. 1 is structural representation of the present utility model.
Marginal data:
1st, fuel tank；2nd, hydraulic pump；3rd, filter；4th, the first solenoid directional control valve；5th, the second solenoid directional control valve；6th, the first ratio
Control valve；7th, the second proportional control valve；8th, the first overflow valve；9th, the second overflow valve；10th, the 3rd overflow valve；11st, the 4th overflow
Valve；12nd, the 5th overflow valve；13rd, the first hydraulic control one-way valve；14th, the second hydraulic control one-way valve；15th, accumulator；16th, pressure gauge；17、
Translation oil cylinder；18th, hoist cylinder；
101st, fuel tank oil-out；102nd, tank drainback mouth；201st, hydraulic pump oil-in；202nd, hydraulic pump oil-out；401、
402: the first electromagnetic switch valve inlets；403rd, 404: the first electromagnetic switch valve outlet port；501st, 502: the second electromagnetic switch valve inlet；
503rd, 504: the second electromagnetic switch valve outlet port；601st, the first proportional control valve oil-in；602nd, the first proportional control valve oil-out；
701st, the second proportional control valve oil-in；702nd, the second proportional control valve oil-out；801st, the first overflow valve oil-in；802nd,
One overflow valve oil-out；131st, the first hydraulic control one-way valve oil-in；132nd, the first hydraulic control one-way valve oil-out；133rd, the first hydraulic control
Check valve control mouth；141st, the second hydraulic control one-way valve oil-in；142nd, the second hydraulic control one-way valve oil-out；143rd, the second hydraulic control list
To valve control mouth.
Specific embodiment
In order that those skilled in the art more fully understands the technical solution of the utility model, with reference to being embodied as
The utility model is described in further detail for mode.
Referring to Fig. 1, this utility model provides a kind of hydraulic control system of step cooling bed, and it includes fuel tank 1, hydraulic pump
2nd, solenoid directional control valve, proportional control valve, overflow valve, accumulator 15, hydraulic control one-way valve, hoist cylinder 18 and translation oil cylinder 17；Oil
Case oil-out 101 connects filter 3, and filter 3 connects hydraulic pump oil-in 201, and hydraulic pump oil-out 202 connects first respectively
The oil-in 801 of overflow valve 8, the entrance 501 of entrance 401,402 and second solenoid directional control valve 5 of the first solenoid directional control valve 4,
502, the oil-out 802 of the first overflow valve 8 connects tank drainback mouth 102, and the outlet 403 of the first solenoid directional control valve 4 connects first
The oil-in 601 of proportional control valve 6, the oil-out 602 of the first proportional control valve connects the rod chamber room of translation oil cylinder 17, translation
The rodless cavity room of oil cylinder 17 connects the outlet 404 of the first solenoid directional control valve 4；The outlet 503 of the second solenoid directional control valve 5 connects second
The oil-in 701 of proportional control valve 7, the oil-out 702 of the second proportional control valve connects the oil-in of the first hydraulic control one-way valve 13
131, the oil-out 132 of the first hydraulic control one-way valve 13 connects the rodless cavity room of hoist cylinder 18, the rod chamber room of hoist cylinder 18
It is connected with the oil-out 142 of the second hydraulic control one-way valve 14, the oil-in 141 of the second hydraulic control one-way valve connects the second solenoid directional control valve
5 outlet 504, the control mouth 133 of the first hydraulic control one-way valve is connected with the oil-in 141 of the second hydraulic control one-way valve, the second hydraulic control
The control mouth 143 of check valve is connected with the oil-in 131 of the first hydraulic control one-way valve；Described hydraulic pump 2 and the oil of solenoid directional control valve
Accumulator 15 is in series with road, accumulator 15 is connected with pressure gauge 16.
Further, described first solenoid directional control valve and the oil circuit of translation oil cylinder are parallel with the second overflow valve 9 and the 4th
Overflow valve 11, described second solenoid directional control valve and the oil circuit of hoist cylinder are parallel with the 3rd overflow valve 10 and the 5th overflow valve
12, when certain solenoid directional control valve akinesia in system, the load that in hydraulic cylinder, oil pressure produces can be unloaded by overflow valve
Lotus, thus ensure the action message of system.
This utility model increased accumulator in systems, improves the fuel delivery of system it is ensured that voltage supply is sufficient, accumulator
Improve the voltage supply ability of system, advantageously reduce system power demand, energy-saving, accumulator can effective absorption system simultaneously
Impact, good effect is played in the maintenance to equipment；When helping cold bed to wait material toggling and discharging with the overflow valve of hydraulic pressure series connection of pumps
Carry out off-load, to reduce power loss, cost-effective；The overflow valve connected with hoist cylinder or translation oil cylinder is ensured when in system
During certain solenoid directional control valve akinesia, the load that in hydraulic cylinder, oil pressure produces can obtain off-load by overflow valve, thus ensureing
The action message of system；According to lift cylinders working condition, devise the interlock circuit using two hydraulic control one-way valve compositions, realize
The locking that piston is gone up at an arbitrary position.
The above is only preferred implementation of the present utility model it is noted that above-mentioned preferred implementation should not regard
It is to restriction of the present utility model, protection domain of the present utility model should be defined by claim limited range.For
For those skilled in the art, without departing from spirit and scope of the present utility model, can also make some
Improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (6)
1. a kind of hydraulic control system of step cooling bed it is characterised in that: include fuel tank, hydraulic pump, solenoid directional control valve, ratio control
Valve processed, overflow valve, accumulator, hydraulic control one-way valve, hoist cylinder and translation oil cylinder；
Fuel tank oil-out connects hydraulic pump oil-in, and hydraulic pump oil-out connects oil-in and first electricity of the first overflow valve respectively
Magnetic reversal valve, the entrance of the second solenoid directional control valve, the oil-out of the first overflow valve connects tank drainback mouth, the first solenoid directional control valve
One outlet connect the oil-in of the first proportional control valve, what the oil-out of the first proportional control valve connected translation oil cylinder has bar
Chamber, the rodless cavity room of translation oil cylinder connects another outlet of the first solenoid directional control valve；
The one outlet of the second solenoid directional control valve connects the oil-in of the second proportional control valve, the oil-out of the second proportional control valve
Connect the oil-in of the first hydraulic control one-way valve, the oil-out of the first hydraulic control one-way valve connects the rodless cavity room of hoist cylinder, lifting
The rod chamber room of oil cylinder is connected with the oil-out of the second hydraulic control one-way valve, and the oil-in of the second hydraulic control one-way valve connects the second electromagnetism
Another outlet of reversal valve, the control mouth of the first hydraulic control one-way valve is connected with the oil-in of the second hydraulic control one-way valve, the second liquid
The control mouth of control check valve is connected with the oil-in of the first hydraulic control one-way valve；
It is in series with accumulator on described hydraulic pump and the oil circuit of solenoid directional control valve.
2. a kind of step cooling bed according to claim 1 hydraulic control system it is characterised in that: described hydraulic pump with oil
In-line filter on the oil circuit of case.
3. a kind of step cooling bed according to claim 1 hydraulic control system it is characterised in that: connect on described accumulator
It is connected to pressure gauge.
4. a kind of step cooling bed according to claim 1 hydraulic control system it is characterised in that: described first electromagnetism changes
It is parallel with the second, the 4th overflow valve on the oil circuit with translation oil cylinder for the valve；Described second solenoid directional control valve and the oil of hoist cylinder
Three, the 5th overflow valves are parallel with road.
5. a kind of step cooling bed according to claim 1 hydraulic control system it is characterised in that: described hoist cylinder is
2-4.
6. a kind of step cooling bed according to claim 1 hydraulic control system it is characterised in that: described translation oil cylinder is
2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620850189.8U CN205895727U (en) | 2016-08-08 | 2016-08-08 | Hydraulic control system of step -by -step cold bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620850189.8U CN205895727U (en) | 2016-08-08 | 2016-08-08 | Hydraulic control system of step -by -step cold bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205895727U true CN205895727U (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620850189.8U Active CN205895727U (en) | 2016-08-08 | 2016-08-08 | Hydraulic control system of step -by -step cold bed |
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| CN (1) | CN205895727U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488662A (en) * | 2018-12-07 | 2019-03-19 | 浙江鼎诚炉业科技有限公司 | A kind of step heating-furnace hydraulic control system |
-
2016
- 2016-08-08 CN CN201620850189.8U patent/CN205895727U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488662A (en) * | 2018-12-07 | 2019-03-19 | 浙江鼎诚炉业科技有限公司 | A kind of step heating-furnace hydraulic control system |
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