CN109026864A - Hydraulic device is used in a kind of control of novel catch wheel - Google Patents
Hydraulic device is used in a kind of control of novel catch wheel Download PDFInfo
- Publication number
- CN109026864A CN109026864A CN201811100627.9A CN201811100627A CN109026864A CN 109026864 A CN109026864 A CN 109026864A CN 201811100627 A CN201811100627 A CN 201811100627A CN 109026864 A CN109026864 A CN 109026864A
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- Prior art keywords
- hydraulic
- solenoid directional
- valve
- directional control
- control valve
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/04—Accumulators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
- Tunnel Furnaces (AREA)
Abstract
The present invention relates to a kind of novel catch wheel control hydraulic devices, including hydraulic pump, solenoid directional control valve I, speed governing valve, hydraulic control one-way valve, hydraulic cylinder, accumulator, solenoid directional control valve II, solenoid directional control valve III, fuel tank and travel switch.Start hydraulic pump, solenoid directional control valve I obtains electric, hydraulic oil flows through solenoid directional control valve I, speed governing valve, hydraulically-controlled one-way valve, the rodless cavity into hydraulic cylinder, hydraulic blocking wheel is pushed to move up rotary kiln, travel switch is issued an order after in place, and hydraulic pump is closed, I power loss of solenoid directional control valve, solenoid directional control valve II obtains electric, accumulator unlatching hydraulic control one-way valve；Hydraulic oil extrusion in rodless cavity is flowed through hydraulic control one-way valve, speed governing valve, solenoid directional control valve I under rotary kiln gravity by hydraulic cylinder, oil return box is filled into rod end chamber, under channel to position after travel switch issue an order, II power loss of solenoid directional control valve, hydraulic pump is turned on again, and next circulation starts.The ideal velocity of 5~10 minutes one millimeter of plays of rotary kiln, energy saving and cost lowering can be achieved.
Description
Technical field
The present invention relates to a kind of hydraulic control devices of rotary kiln technology, control more particularly, to a kind of novel catch wheel
Use hydraulic device.
Background technique
Active Lime Rotary Kiln is for roasting active lime used in steel industry or light dolomite.In rotary kiln kiln body
Nested wheel belt, wheel belt are supported on a pair of of support roller on the basis of being installed on, and kiln body is freely turned round on support roller by wheel belt.Support roller
Width is greater than wheel bandwidth, and to contact wheel belt can all in the width direction with support roller, HYDRAULIC CONTROL SYSTEM hydraulic blocking wheel is arranged
Enable kiln body and the wheel belt play above and below support roller, realizes full duration contact.Rotary kiln play is slower, for support roller, wheel belt
Abrasion it is smaller.Push rotary kiln play ideal velocity be 5~10 minutes one millimeter, such slowly moving speed, to liquid
Pressure system proposes higher requirement, it is desirable that hydraulic fluid flow rate must be small in hydraulic system pipeline, needs the stream of hydraulic system element
Amount and amount of leakage must be sufficiently small.Currently, existing gear wheel hydraulic system is the common hydraulic system of metallurgical machinery, there is as follows
Defect:
1) Hydraulic Elements such as hydraulic pump, solenoid directional control valve, speed governing valve selected etc. often use Hydraulic Elements for metallurgical machinery, though
So push hydraulic cylinder piston rod to stretch out and retraction by hydraulic system, be also able to achieve rotary kiln kiln body move up and under alter, but liquid
Press the indexs such as flow and the amount of leakage of system element larger, speed governing valve, which adjusts the speed the factors such as single, leads to rotary kiln kiln body movement speed
It is too fast, channeling move speed be 0.5~1 minute one millimeter, be very different with the ideal velocity of rotary kiln play；
2) since rotary kiln play is too fast, cause support roller, wheel belt wear to be accelerated, increase maintenance, the time of maintenance and cost,
Rotary kiln is influenced normally to produce；
3) accumulator has a single function, only energy reserves element；
4) it alters under rotary kiln and is realized by hydraulic system power, hydraulic system is complicated, and energy consumption is high.
Summary of the invention
To overcome prior art defect, the technical problem to be solved by the present invention is to provide a kind of novel catch wheels to control hydraulic dress
It sets, reduces the usage quantity of hydraulic valve, simplify hydraulic system, energy saving can solve the problems, such as that rotary kiln play is too fast,
The ideal velocity for realizing 5~10 minutes one millimeter of rotary kiln plays, reduces the rate of wear of support roller, wheel belt, saves equipment
Maintenance, the time of maintenance and cost, improve labor productivity.
In order to achieve the above object, the present invention is implemented with the following technical solutions:
A kind of novel catch wheel control hydraulic device, including hydraulic pump, solenoid directional control valve I, speed governing valve, hydraulic control one-way valve,
Hydraulic cylinder, accumulator, solenoid directional control valve II, solenoid directional control valve III, fuel tank and travel switch, which is characterized in that the hydraulic pump
It is arranged on fuel tank, hydraulic pump is successively connect with solenoid directional control valve I, speed governing valve, hydraulic control one-way valve and hydraulic cylinder without oil pocket, structure
At oil inlet circuit；Another hydraulic fluid port of the solenoid directional control valve I and the rod end chamber and fuel tank of hydraulic cylinder connect, and constitute oil return circuit
A part；The solenoid directional control valve III is connected in parallel with speed governing valve, can make the quick play of rotary kiln kiln body in special circumstances；Institute
State the hydraulic control oil circuit connection of II 1 hydraulic fluid port of solenoid directional control valve and hydraulic control one-way valve, a hydraulic fluid port is connect with oil inlet circuit, a hydraulic fluid port with
Oil return circuit connection；The accumulator is connected to oil inlet circuit end, and normally closed shut-off valve is arranged and is connected with oil return circuit；It is described
The piston rod of hydraulic cylinder is connect with hydraulic blocking wheel；The travel switch is arranged in rotary kiln and moves up down the extreme position altered and and liquid
Press pump, solenoid directional control valve I, solenoid directional control valve II and III electric appliance of solenoid directional control valve are chain.
The hydraulic pump is metering piston pump, maximum stream flow~4 l/h.
The solenoid directional control valve I, solenoid directional control valve II and solenoid directional control valve III are electromagnetic ball valve.
The speed governing valve configures cowling panel, bidirectional speed governing, maximum functional flow~1 l/h.
The accumulator serves not only as energy reserves element, and as switch, when altering under rotary kiln, opens hydraulic control list
To valve, hydraulic oil is enable to flow counterflow through.
Its working principle:
1) rotary kiln kiln body moves up control: starting hydraulic pump, solenoid directional control valve I must be electric, and hydraulic oil is flowed out from hydraulic pump,
Solenoid directional control valve I, speed governing valve, hydraulically-controlled one-way valve, the rodless cavity into hydraulic cylinder are flowed through, hydraulic cylinder piston rod is pushed to stretch out, from
And hydraulic blocking wheel is pushed to move up rotary kiln kiln body, after moving up in place, travel switch issues instruction, and hydraulic pump is closed, and electromagnetism changes
To I power loss of valve, solenoid directional control valve II must be electric, and rotary kiln kiln body, which moves up process, to be terminated, meanwhile, accumulator opens hydraulic control one-way valve,
Hydraulic oil is set to flow counterflow through；
2) alter control under rotary kiln kiln body: hydraulic cylinder piston rod is driven and retracted, hydraulic cylinder by the rotary kiln altered under automatic
Rodless cavity in hydraulic oil be extruded, flow through the hydraulic control one-way valve having turned on, speed governing valve, solenoid directional control valve I, return to fuel tank or
Be filled into the rod end chamber of hydraulic cylinder, under channel to position after, travel switch issue instruction, II power loss of solenoid directional control valve, hydraulic pump
It is turned on again, the process of altering terminates under rotary kiln kiln body, i.e., a play circulation terminates；
3) solenoid directional control valve I obtains electric while hydraulic pump is again turned on, and repeats step 1), 2) starts one under rotary kiln kiln body
A play circulation.
Compared with prior art, the beneficial effects of the present invention are:
1) Hydraulic Components Choice is different: replacing conventional vane pump or plunger pump with metering piston pump, is commutated with ball-valve type
The conventional spool-type valves of valve substitution, hydraulic pump, the flow of solenoid directional control valve is small, leakage rate is low, easily controllable；It is whole with configuring
The conventional one-way speed-regulating valve of the speed governing valve substitution of flowing plate is, it can be achieved that bidirectional speed governing；
2) hydraulic system is simplified, energy saving can solve the problems, such as that rotary kiln play is too fast, realize 5~10 minutes one
The ideal velocity of millimeter rotary kiln play；
3) accumulator serves not only as energy reserves element, and as switch, when altering under rotary kiln, opens fluid-control one-way
Valve enables hydraulic oil to flow counterflow through；
4) mode difference is altered under rotary kiln kiln body: being altered power under generating by the self weight of rotary kiln kiln body, is realized rotary kiln
Body is voluntarily altered down, does not need to open hydraulic pump, hydraulic system is simple, and low energy consumption；
5) ideal velocity for realizing 5~10 minutes one millimeter of rotary kiln plays reduces the abrasion speed of support roller, wheel belt
Degree, saves maintenance of equipment, the time of maintenance and cost, improves labor productivity.
Detailed description of the invention
Fig. 1 is principle schematic diagram of the invention.
In figure: I 3- speed governing valve 4- hydraulic control one-way valve 5- hydraulic cylinder 6- accumulator of 1- hydraulic pump 2- solenoid directional control valve
II 10- solenoid directional control valve of 7- hydraulic blocking wheel 8- rotary kiln 9- solenoid directional control valve, III 11- fuel tank 12- shut-off valve 13- hydraulic control
Oil circuit
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing:
As shown in Figure 1, a kind of novel catch wheel control hydraulic device, including hydraulic pump 1, electromagnetic switch of the present invention
Valve I 2, speed governing valve 3, hydraulic control one-way valve 4, hydraulic cylinder 5, accumulator 6, solenoid directional control valve II 9, solenoid directional control valve III 10, fuel tank 11
(do not provided in diagram) with travel switch, the hydraulic pump 1 is arranged on fuel tank 11, hydraulic pump 1 successively with solenoid directional control valve I 2,
Speed governing valve 3, hydraulic control one-way valve 4 are connected with hydraulic cylinder 5 without oil pocket, are constituted in oil inlet circuit (direction shown in hollow arrow in Fig. 1),
The flow direction of hydraulic oil when i.e. control 8 kiln body of rotary kiln moves up；Another hydraulic fluid port of the solenoid directional control valve I 2 and the piston of hydraulic cylinder 5
Rod cavity and fuel tank 11 connect, and constitute a part in oil return circuit (direction shown in filled arrows in Fig. 1)；The solenoid directional control valve III
10 are connected in parallel, it can be achieved that the quick play of 8 kiln body of rotary kiln in special circumstances with speed governing valve 3；The solenoid directional control valve II 91
Hydraulic fluid port is connect with the hydraulic control oil circuit 13 of hydraulic control one-way valve 4, a hydraulic fluid port is connect with oil inlet circuit, a hydraulic fluid port is connect with oil return circuit；
The accumulator 6 is connected to oil inlet circuit end, and normally closed shut-off valve 12 is arranged and is connected with oil return circuit；The hydraulic cylinder 5
Piston rod is connect with hydraulic blocking wheel 7；The travel switch be arranged in rotary kiln 8 move up down the extreme position altered and with hydraulic pump 1,
Solenoid directional control valve I 2, solenoid directional control valve II 9 and III 10 electric appliance of solenoid directional control valve are chain.
The hydraulic pump 1 is metering piston pump, maximum stream flow~4 l/h.
The solenoid directional control valve I 2, solenoid directional control valve II 9 and solenoid directional control valve III 10 are electromagnetic ball valve.
The speed governing valve 3 configures cowling panel, bidirectional speed governing, maximum functional flow~1 l/h.
The accumulator 6 serves not only as energy reserves element, and as switch, when altering under rotary kiln 8, opens hydraulic control
Check valve 4, enables hydraulic oil to flow counterflow through.
Its working principle:
1) 8 kiln body of rotary kiln moves up control (oil inlet circuit, i.e. direction shown in hollow arrow in Fig. 1): starting hydraulic pump 1,
Solenoid directional control valve I 2 it is electric, hydraulic oil is flowed out from hydraulic pump 1, flow through solenoid directional control valve I 2, speed governing valve 3, hydraulically-controlled one-way valve 4,
Into the rodless cavity of hydraulic cylinder 5,5 piston rod of hydraulic cylinder is pushed to stretch out, so that hydraulic blocking wheel 7 is pushed to move up 8 kiln body of rotary kiln,
After moving up in place, travel switch issue instruction, hydraulic pump 1 close, I 2 power loss of solenoid directional control valve, solenoid directional control valve II 9 it is electric, return
8 kiln body of rotary kiln, which moves up process, to be terminated, meanwhile, accumulator 6 opens hydraulic control one-way valve 4, and hydraulic oil is enable to flow counterflow through；
2) control (oil return circuit, i.e. direction shown in filled arrows in Fig. 1): 5 piston rod of hydraulic cylinder is altered under rotary kiln kiln body
It is driven and retracted by the rotary kiln 8 altered under automatic, the hydraulic oil in the rodless cavity of hydraulic cylinder 5 is extruded, and flows through the liquid having turned on
Check valve 4, speed governing valve 3, solenoid directional control valve I 2 are controlled, fuel tank 11 is returned to or is filled into the rod end chamber of hydraulic cylinder 5 (supplement revolution
The power altered under kiln kiln body), under channel to position after, travel switch issue instruction, II 9 power loss of solenoid directional control valve, hydraulic pump 1 is by again
It opens, the process of altering terminates under 8 kiln body of rotary kiln, i.e., a play circulation terminates；
3) solenoid directional control valve I 2 obtains electric while hydraulic pump 1 is again turned on, and repeats step 1), 2) starts 8 kiln body of rotary kiln
Next play circulation.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of novel catch wheel control hydraulic device, including hydraulic pump, solenoid directional control valve I, speed governing valve, hydraulic control one-way valve, liquid
Cylinder pressure, accumulator, solenoid directional control valve II, solenoid directional control valve III, fuel tank and travel switch, which is characterized in that the hydraulic pump is set
It sets on fuel tank, hydraulic pump is successively connect with solenoid directional control valve I, speed governing valve, hydraulic control one-way valve and hydraulic cylinder without oil pocket, is constituted
Oil inlet circuit；Another hydraulic fluid port of the solenoid directional control valve I and the rod end chamber and fuel tank of hydraulic cylinder connect, and constitute oil return circuit；
The solenoid directional control valve III is connected in parallel with speed governing valve, can make the quick play of rotary kiln kiln body in special circumstances；The electromagnetism changes
It is connect to the hydraulic control oil circuit connection of II 1 hydraulic fluid port of valve and hydraulic control one-way valve, a hydraulic fluid port with oil inlet circuit, a hydraulic fluid port and oil return circuit
Connection；The accumulator is connected to oil inlet circuit end, and normally closed shut-off valve is arranged and is connected with oil return circuit；The hydraulic cylinder
Piston rod is connect with hydraulic blocking wheel；The travel switch be arranged in rotary kiln move up down the extreme position altered and with hydraulic pump, electricity
Magnetic reversal valve I, solenoid directional control valve II and III electric appliance of solenoid directional control valve are chain.
2. a kind of novel catch wheel control hydraulic device according to claim 1, which is characterized in that the hydraulic pump is meter
Measure plunger pump, maximum stream flow~4 l/h.
3. a kind of novel catch wheel control hydraulic device according to claim 1, which is characterized in that the solenoid directional control valve
I, solenoid directional control valve II and solenoid directional control valve III are electromagnetic ball valve.
4. a kind of novel catch wheel control hydraulic device according to claim 1, which is characterized in that the speed governing valve configuration
Cowling panel, bidirectional speed governing, maximum functional flow~1 l/h.
5. a kind of novel catch wheel control hydraulic device according to claim 1, which is characterized in that the accumulator is returning
When being altered under rotary kiln, hydraulic control one-way valve can be opened, hydraulic oil is enable to flow counterflow through.
6. a kind of novel catch wheel control hydraulic device according to claim 1, which is characterized in that its working principle is that:
1) rotary kiln kiln body moves up control: starting hydraulic pump, solenoid directional control valve I must be electric, and hydraulic oil is flowed out from hydraulic pump, is flowed through
Solenoid directional control valve I, speed governing valve, hydraulically-controlled one-way valve, the rodless cavity into hydraulic cylinder push hydraulic cylinder piston rod to stretch out, to push away
Hydrodynamic pressure gear wheel moves up rotary kiln kiln body, and after moving up in place, travel switch issues instruction, and hydraulic pump is closed, solenoid directional control valve I
Power loss, solenoid directional control valve II must be electric, and rotary kiln kiln body, which moves up process, to be terminated, meanwhile, accumulator opens hydraulic control one-way valve, makes hydraulic
Oil can flow counterflow through；
2) alter control under rotary kiln kiln body: hydraulic cylinder piston rod is driven and retracted, the nothing of hydraulic cylinder by the rotary kiln altered under automatic
Hydraulic oil in rod cavity is extruded, and is flowed through the hydraulic control one-way valve having turned on, speed governing valve, solenoid directional control valve I, is returned to fuel tank or filling
Into the rod end chamber of hydraulic cylinder, under channel to position after, travel switch issue instruction, II power loss of solenoid directional control valve, hydraulic pump is by again
Secondary unlatching, the process of altering terminates under rotary kiln kiln body, i.e., a play circulation terminates；
3) while hydraulic pump is again turned on solenoid directional control valve I it is electric, repeat step 1), 2) start that rotary kiln kiln body is next alters
Dynamic circulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811100627.9A CN109026864B (en) | 2018-09-20 | 2018-09-20 | Novel hydraulic device for controlling catch wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811100627.9A CN109026864B (en) | 2018-09-20 | 2018-09-20 | Novel hydraulic device for controlling catch wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109026864A true CN109026864A (en) | 2018-12-18 |
| CN109026864B CN109026864B (en) | 2023-10-20 |
Family
ID=64617533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811100627.9A Active CN109026864B (en) | 2018-09-20 | 2018-09-20 | Novel hydraulic device for controlling catch wheel |
Country Status (1)
| Country | Link |
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| CN (1) | CN109026864B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854557A (en) * | 2019-03-21 | 2019-06-07 | 福建工程学院 | A kind of double pump with energy-saving pressure preload unit directly drives electric hydrostatic actuator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202900814U (en) * | 2012-11-13 | 2013-04-24 | 淮北重科矿山机器有限公司 | Mud scraping harrow hydraulic lifting device provided with manual operating device |
| CN203394905U (en) * | 2013-06-28 | 2014-01-15 | 新兴能源装备股份有限公司 | Variable-frequency speed regulation hydraulic control system for thrust roller of rotary kiln |
| CN203489653U (en) * | 2013-08-01 | 2014-03-19 | 新兴能源装备股份有限公司 | Numerical control hydraulic block wheel device for rotary kiln |
| CN104728189A (en) * | 2013-12-20 | 2015-06-24 | 熊英 | Control oil way of hydraulic push stop wheel |
| CN208982383U (en) * | 2018-09-20 | 2019-06-14 | 中冶焦耐(大连)工程技术有限公司 | Hydraulic device is used in a kind of control of novel catch wheel |
-
2018
- 2018-09-20 CN CN201811100627.9A patent/CN109026864B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202900814U (en) * | 2012-11-13 | 2013-04-24 | 淮北重科矿山机器有限公司 | Mud scraping harrow hydraulic lifting device provided with manual operating device |
| CN203394905U (en) * | 2013-06-28 | 2014-01-15 | 新兴能源装备股份有限公司 | Variable-frequency speed regulation hydraulic control system for thrust roller of rotary kiln |
| CN203489653U (en) * | 2013-08-01 | 2014-03-19 | 新兴能源装备股份有限公司 | Numerical control hydraulic block wheel device for rotary kiln |
| CN104728189A (en) * | 2013-12-20 | 2015-06-24 | 熊英 | Control oil way of hydraulic push stop wheel |
| CN208982383U (en) * | 2018-09-20 | 2019-06-14 | 中冶焦耐(大连)工程技术有限公司 | Hydraulic device is used in a kind of control of novel catch wheel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854557A (en) * | 2019-03-21 | 2019-06-07 | 福建工程学院 | A kind of double pump with energy-saving pressure preload unit directly drives electric hydrostatic actuator |
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| Publication number | Publication date |
|---|---|
| CN109026864B (en) | 2023-10-20 |
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