CN103627408A - Furnace door multi-stage location lifting hydraulic control device in coke oven device - Google Patents
Furnace door multi-stage location lifting hydraulic control device in coke oven device Download PDFInfo
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- CN103627408A CN103627408A CN201210302362.7A CN201210302362A CN103627408A CN 103627408 A CN103627408 A CN 103627408A CN 201210302362 A CN201210302362 A CN 201210302362A CN 103627408 A CN103627408 A CN 103627408A
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Abstract
The invention discloses a furnace door multi-stage location lifting hydraulic control device in a coke oven device. The furnace door multi-stage location lifting hydraulic control device is provided with a reversing valve (1), a channel A of the reversing valve (1) is communicated with the rod cavity of an executing hydraulic cylinder (7), a channel B is divided into three routes, the route B1 is communicated with the rod-free cavity of the executing hydraulic cylinder (7) through a reducing valve (2), a first plug-in mounting direction valve (3-1) and a counterbalance valve (4), and the route B2 is communicated with the rod-free cavity of a first quantitative hydraulic cylinder (5-1) through a second plug-in mounting direction valve (3-2). The rod cavity of the first quantitative hydraulic cylinder (5-1) is communicated with the rod-free cavity of the executing hydraulic cylinder (7) through the counterbalance valve (4), the route B3 is communicated with the rod-free cavity of a second quantitative hydraulic cylinder (5-2) through a third plug-in mounting direction valve (3-3), the rod cavity of the second quantitative hydraulic cylinder (5-2) is communicated with the rod-free cavity of the executing hydraulic cylinder (7) through the counterbalance valve (4), and a piston rod of the executing hydraulic cylinder (7) is connected with a door lifting mechanism. The furnace door multi-stage location lifting hydraulic control device is simple in structure, greatly reduces manufacturing cost, operates stably and brings convenience to processing, manufacturing and maintenance.
Description
Technical field:
The present invention relates to a kind of multistage location of fire door being applied in coke oven machine side pushing machine and coke side coke guide hydraulic efficiency system carries and falls hydraulic control device.
Background technology:
At present, the pusher side pushing machine in 5.5 meters of cokes oven for iron and coke side coke guide fall in fire door process carrying, and need to divide to carry for three times according to different operating modes and fall fire door, complete gate stop identification, pluck fire door and fire door cleaning works.And carry at two, three times, fall in a process, be not suitable for mounting limit device on reference target, the multistage location that need to rely on hydraulic control device to control fire door is carried and being fallen.The fire door now using carries that to fall hydraulic control device design too loaded down with trivial details, and drawback is as follows: 1. design loaded down with trivial detailsly, all adopt board-like connection valve, valve plate volume is large, and oil duct connects complicated, processing difficulties.2. control and regulator solution pressure valve are many, and technology is relatively backward, faults frequent, and repair and maintenance difficulty, is unfavorable for that equipment runs well.3. processing and manufacturing and repair and maintenance cost are high, waste of manpower and material resources.
Summary of the invention:
The present invention is directed to the deficiency in above-mentioned prior art, provide a kind of multistage location of fire door simple in structure, stable, that facilitate processing and manufacturing and maintenance to carry and fall hydraulic control device.
Technical solution of the present invention is: the multistage location of fire door in a kind of coke oven for iron is carried and fallen hydraulic control device, be provided with reversing valve, reversing valve has four passage A, channel B, passage P, passage T, the logical rod chamber of carrying out hydro-cylinder of passage A, channel B Fen San road, wherein B1 road is through reducing valve, the first cartridge insertion direction valve, the logical rodless cavity of carrying out hydro-cylinder of back pressure valve, the rodless cavity of logical the first quantitative hydraulic cylinder of B2 road the second cartridge insertion direction valve, the rod chamber of the first quantitative hydraulic cylinder is also through the logical rodless cavity of carrying out hydro-cylinder of back pressure valve, the rodless cavity of logical the second quantitative hydraulic cylinder of B3 road the 3rd cartridge insertion direction valve, the rod chamber of the second quantitative hydraulic cylinder is equally through the logical rodless cavity of carrying out hydro-cylinder of back pressure valve, the piston rod Yu Timen mechanism that carries out hydro-cylinder connects, reducing valve, the first cartridge insertion direction valve, the second cartridge insertion direction valve, the 3rd cartridge insertion direction valve, back pressure valve are also communicated with draining passage L respectively,
The correspondence position of fire door is provided with stop means, and it controls reversing valve and the first cartridge insertion direction valve; On the limit base of the first quantitative hydraulic cylinder rod end, be provided with the first limit switch and the second limit switch, on the limit base of the second quantitative hydraulic cylinder rod end, be provided with the 3rd limit switch, the first limit switch and the second limit switch are controlled reversing valve and the second cartridge insertion direction valve, and the 3rd limit switch is controlled reversing valve and the 3rd cartridge insertion direction valve.
The present invention adopts two logical cartridge insertion direction valves to substitute intrinsic board-like stack reversing valve, and originally complicated loop is simplified, and valve plate volume-diminished 2/3rds, significantly reduces manufacturing cost.And improved the operation stability of equipment, reduced equipment repair and maintenance cost, saved human and material resources, improved again the economic benefit of equipment.
Accompanying drawing explanation:
Fig. 1 is hydraulic circuit schematic diagram of the present invention.
Embodiment:
As shown in Figure 1, the multistage location of fire door in a kind of coke oven for iron is carried and is fallen hydraulic control device, be provided with reversing valve 1, reversing valve 1 has four passage A, channel B, passage P, passage T, passage P leads to hydro-pump, passage T leads to fuel tank, the logical rod chamber of carrying out hydro-cylinder 7 of passage A, channel B Fen San road, wherein B1 road is through reducing valve 2, the first cartridge insertion direction valve 3-1, the logical rodless cavity of carrying out hydro-cylinder 7 of back pressure valve 4, the rodless cavity of logical the first quantitative hydraulic cylinder 5-1 of B2 road the second cartridge insertion direction valve 3-2, the rod chamber of the first quantitative hydraulic cylinder 5-1 is also through the logical rodless cavity of carrying out hydro-cylinder 7 of back pressure valve 4, the rodless cavity of logical the second quantitative hydraulic cylinder 5-2 of B3 road the 3rd cartridge insertion direction valve 3-3, the rod chamber of the second quantitative hydraulic cylinder 5-2 is equally through the logical rodless cavity of carrying out hydro-cylinder 7 of back pressure valve 4, the piston rod Yu Timen mechanism that carries out hydro-cylinder 7 connects, reducing valve 2, the first cartridge insertion direction valve 3-1, the second cartridge insertion direction valve 3-2, the 3rd cartridge insertion direction valve 3-3, back pressure valve 4 are also communicated with draining passage L respectively,
The correspondence position of fire door is provided with stop means, and it controls reversing valve 1 and the first cartridge insertion direction valve 3-1; On the limit base of the first quantitative hydraulic cylinder 5-1 rod end, be provided with the first limit switch 6-1 and the second limit switch 6-2, on the limit base of the second quantitative hydraulic cylinder 5-2 rod end, be provided with the 3rd limit switch 6-3, the first limit switch 6-1 and the second limit switch 6-2 control reversing valve 1 and the second cartridge insertion direction valve 3-2, and the 3rd limit switch 6-3 controls reversing valve 1 and the 3rd cartridge insertion direction valve 3-3.
The Comparision of Ti Men mechanism is complicated, comprises a plurality of different actions, and the working process of each action is as follows:
Carrying the position of a machine and fire door assert while moving, reversing valve 1 right-hand member obtains electric, passage P connects channel B, cartridge insertion direction valve 3-1 obtains electric, hydraulic efficiency oil is through reducing valve 2, cartridge insertion direction valve 3-1 and back pressure valve 4, promote to carry out on hydro-cylinder and carry, by being installed on fire door stop means control valve 1 and the cartridge insertion direction valve 3-1 power-off of proposing on a machine, complete gate stop identification action.Reducing valve 2 is adjusted this branch road pressure, prevents from carrying a machine and damages fire door.
While plucking fire door action, reversing valve 1 right-hand member obtains electric, passage P connects channel B, cartridge insertion direction valve 3-2 obtains electric, and hydraulic efficiency oil promotes quantitative hydraulic cylinder 5-1 motion through cartridge insertion direction valve 3-2, and the oil extraction of quantitative hydraulic cylinder 5-1 rod chamber promotes to carry out on hydro-cylinder secondary through back pressure valve 4 and carries, when execution hydro-cylinder is carried to predetermined position, by limit switch 6-1, control reversing valve 1 and cartridge insertion direction valve 3-2 power-off, quantitative hydraulic cylinder 5-1 carries out hydro-cylinder stop motion in the time of stop motion, completes and plucks fire door action.
When fire door cleans bit motion, reversing valve 1 right-hand member obtains electric, passage P connects channel B, cartridge insertion direction valve 3-3 obtains electric, hydraulic efficiency oil promotes quantitative hydraulic cylinder 5-3 motion through cartridge insertion direction valve 3-3, the oil extraction of quantitative hydraulic cylinder 5-3 rod chamber is carried on back pressure valve 4 promotes to carry out hydro-cylinder three times, when execution hydro-cylinder is carried to predetermined position, by the 3rd limit switch, control reversing valve 1 and cartridge insertion direction valve 3-3 power-off, quantitative hydraulic cylinder 5-3 carries out hydro-cylinder stop motion in the time of stop motion, complete before fire door cleaning to bit motion.
While falling action, reversing valve 1 left end obtains electric, passage P connects road A, first cartridge insertion direction valve 3-3 obtains electric, execution hydro-cylinder falls, and rodless cavity oil extraction promotes quantitative hydraulic cylinder 5-3 and retracts, and by the 3rd limit switch 6-3, controls reversing valve 1 and cartridge insertion direction valve 3-3 power-off, quantitative hydraulic cylinder 5-3 resets, and carries out hydro-cylinder and once resets; In like manner, by the second limit switch 6-2, control reversing valve 1 and cartridge insertion direction valve 3-2 power-off, quantitative hydraulic cylinder 5-1 resets, and execution hydro-cylinder completes fire door and puts off reset work; Finally, reversing valve 1 left end and cartridge insertion direction valve 3-1 simultaneously electric, carry out hydro-cylinder and all retract, complete the disengaging work of carrying a machine and fire door.Back pressure valve 4 supports carries out hydro-cylinder, keeps carrying out the steady running under hydro-cylinder gravity load.
The electromagnetic priority valve of cartridge insertion direction valve is selected Solenoid ball valve, can guarantee the reliable locking of cartridge insertion direction valve.The pilot control oil content of cartridge insertion direction valve do not take from before valve and valve after, by controlling in cover plate, after shuttle valve, act on main valve plug, guarantee the reliable locking under any operating mode of cartridge insertion direction valve.
Claims (1)
1. the multistage location of fire door in a coke oven for iron is carried and is fallen hydraulic control device, it is characterized in that: be provided with reversing valve (1), reversing valve (1) has four passage A, channel B, passage P, passage T, the logical rod chamber of carrying out hydro-cylinder (7) of passage A, channel B Fen San road, wherein B1 road is through reducing valve (2), the first cartridge insertion direction valve (3-1), the logical rodless cavity of carrying out hydro-cylinder (7) of back pressure valve (4), the rodless cavity of logical the first quantitative hydraulic cylinder (5-1) of B2 road the second cartridge insertion direction valve (3-2), the rod chamber of the first quantitative hydraulic cylinder (5-1) is also through the logical rodless cavity of carrying out hydro-cylinder (7) of back pressure valve (4), the rodless cavity of logical the second quantitative hydraulic cylinder (5-2) of B3 road the 3rd cartridge insertion direction valve (3-3), the rod chamber of the second quantitative hydraulic cylinder (5-2) is equally through the logical rodless cavity of carrying out hydro-cylinder (7) of back pressure valve (4), the piston rod Yu Timen mechanism that carries out hydro-cylinder (7) connects, reducing valve (2), the first cartridge insertion direction valve (3-1), the second cartridge insertion direction valve (3-2), the 3rd cartridge insertion direction valve (3-3), back pressure valve (4) are also communicated with draining passage L respectively,
The correspondence position of fire door is provided with stop means, and it controls reversing valve (1) and the first cartridge insertion direction valve (3-1); On the limit base of the first quantitative hydraulic cylinder (5-1) rod end, be provided with the first limit switch (6-1) and the second limit switch (6-2), on the limit base of the second quantitative hydraulic cylinder (5-2) rod end, be provided with the 3rd limit switch (6-3), the first limit switch (6-1) and the second limit switch (6-2) are controlled reversing valve (1) and the second cartridge insertion direction valve (3-2), and the 3rd limit switch (6-3) is controlled reversing valve (1) and the 3rd cartridge insertion direction valve (3-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210302362.7A CN103627408A (en) | 2012-08-23 | 2012-08-23 | Furnace door multi-stage location lifting hydraulic control device in coke oven device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210302362.7A CN103627408A (en) | 2012-08-23 | 2012-08-23 | Furnace door multi-stage location lifting hydraulic control device in coke oven device |
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| Publication Number | Publication Date |
|---|---|
| CN103627408A true CN103627408A (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210302362.7A Pending CN103627408A (en) | 2012-08-23 | 2012-08-23 | Furnace door multi-stage location lifting hydraulic control device in coke oven device |
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| CN (1) | CN103627408A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112128173A (en) * | 2019-06-25 | 2020-12-25 | 辽宁宇航工业技术有限公司 | Hydraulic driving energy-saving system of plate strip stepping heating furnace |
-
2012
- 2012-08-23 CN CN201210302362.7A patent/CN103627408A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112128173A (en) * | 2019-06-25 | 2020-12-25 | 辽宁宇航工业技术有限公司 | Hydraulic driving energy-saving system of plate strip stepping heating furnace |
| CN112128173B (en) * | 2019-06-25 | 2024-04-23 | 辽宁宇航工业技术有限公司 | Hydraulic drive energy-saving system of plate and strip stepping heating furnace |
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Application publication date: 20140312 |