CN204419734U - For the hydraulic control system of movable-sieve jig - Google Patents
For the hydraulic control system of movable-sieve jig Download PDFInfo
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- CN204419734U CN204419734U CN201420657859.5U CN201420657859U CN204419734U CN 204419734 U CN204419734 U CN 204419734U CN 201420657859 U CN201420657859 U CN 201420657859U CN 204419734 U CN204419734 U CN 204419734U
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Abstract
A kind of hydraulic control system for movable-sieve jig, comprise the working connection for controlling rocking arm lifting hydraulic cylinder, for the discharge refuse oil circuit of control discharge spoil, for controlling the turnover panel oil circuit of turnover panel oil hydraulic cylinder, working connection comprises the constant-pressure variable electromagnetic plunge pump I, the selector valve I that connect successively, and two actuator ports of described selector valve I are two of connecting fluid cylinder pressures hydraulic fluid port J (6) and J (7) in the same way respectively; Discharge refuse oil circuit and turnover panel oil circuit share the oil feeding line of a pressure-adjustable, and this oil feeding line comprises the constant-pressure variable electromagnetic plunge pump II, the selector valve II that connect successively, and two actuator ports of described selector valve II connect relief valve I and relief valve II respectively; The oil feeding line of described pressure-adjustable is to discharge refuse oil circuit fuel feeding, and described discharge refuse oil circuit comprises selector valve III, and two actuator ports of described selector valve III connect J (3) mouth and J (4) mouth of two-way hydraulic motor respectively; The oil feeding line of described pressure-adjustable is to turnover panel oil circuit fuel feeding, and described turnover panel oil circuit comprises selector valve IV, and two actuator ports of described selector valve IV connect J (1) mouth J (2) mouth of turnover panel oil hydraulic cylinder respectively.By the dual Flow-rate adjustment with the Variable plunger pump I of solenoid valve group in working connection, the movement locus of washbox screenplate can be controlled accurately, the lifting speed realizing sieve plate is adjustable, and in sieve plate decline process, by controlling selector valve I, allowing the meter out of oil hydraulic cylinder, realizing the buffering of hydraulic pressure, both be conducive to the layering of material, effectively protect equipment again; Control by selector valve II clockwise and anticlockwise and the adjusting rotary speed speed that reversing motor can realize waste rock discharge device, solve the stuck problem of waste rock discharge device and effective control discharge refuse amount; Turnover panel oil circuit, by effective control of solenoid valve group, at equipment initial operating stage, reasonably can control the opening time of turnover panel, ensures that coal is not along with spoil one piece discharge, saved resource.
Description
Technical field
The utility model relates to hydraulic control apparatus field, specifically a kind of hydraulic control system for movable-sieve jig.
Background technique
Hydraulic moving sieve jigger is mainly used in the sorting of 25 ~ 400mm particle size fraction coal, also can be used as the pre-processing system of block raw coal, raw coal selects cash, cleaned coal selected by block raw coal or sorting thermal coal, process dirty assorted coal etc.It is developed by German KHD company for 1985, and through constantly transformation and innovation, technology is ripe day by day, is one of state-of-the-art mechanical, electrical, liquid integrated lump coal washing appliance in the world today, is in the leading level in the world now.The great advantage of hydraulic moving sieve jigger is that technique is simple, separation efficiency is high, less investment, high efficiency, compact equipment.It is taken turns by cell body, lifting wheel, drive unit, rocking arm, discharge refuse, is gone out pan feeding chute and turnover panel etc. and form.Its working principle is after material enters hydraulic moving sieve jigger cell body, and material and sieve plate move up and down under the driving of oil hydraulic cylinder in water.In the process of motion, when Driven by Hydraulic Cylinder sieve plate rises, material and sieve plate do not have relative movement, and aqueous medium moves downward relative to material; When Driven by Hydraulic Cylinder sieve plate declines, material particles is because of the drag effect of its gravity and medium, and when the acceleration produced is less than the acceleration that sieve plate declines, aqueous medium forms the upward flow relative to dynamic sieve plate, and bed could suspend.When particle rate of descent is less than the rate of descent of dynamic sieve plate, material makes hindered falling in water, and makes bed have enough shatter values and loose time, realizes material by the effective layering of density.Light, the heavy product of layering enters in two pass lifting wheel respectively, rely on two pass lifting wheel to slough moisture, and the coal be isolated out and spoil is sent in respective discharge chute, and sieve fine material is discharged by bottom cell body discharge gate thoroughly.But most of hydraulic moving sieve jigger in the course of the work sieve plate move up and down unreasonable, material can not be carried out rational layering, sieve plate drives material in the process declined, because material is very heavy, the inertia declined is very large, falling speed is also very fast, is unfavorable for the layering of material, also can brings huge destruction simultaneously to equipment; At the initial stage of discharge refuse stone, material layering is not obvious, and opening too early of discharging chute place turnover panel can be easy to coal and spoil one piece eliminating, waste resource, in the process of discharge refuse stone, turnover panel positioning control is inaccurate simultaneously, and the position of turnover panel is also unstable, and the material of turnover panel both sides is easily admixed; Discharge refuse wheel is easily stuck by spoil in the process of discharge refuse, and system can not be fixed a breakdown automatically.
Model utility content
In order to overcome above-mentioned technical disadvantages, the purpose of this utility model is to provide a kind of hydraulic control system for movable-sieve jig, this hydraulic control system, by the mutual combination between oil hydraulic pump, each valve group, hydraulic cylinder and other auxiliary elements, achieves the accurate and stable operation of system.
For achieving the above object, the technological scheme that the utility model is taked is: comprise the working connection for controlling rocking arm lifting hydraulic cylinder, for the discharge refuse oil circuit of control discharge spoil, for controlling the turnover panel oil circuit of turnover panel oil hydraulic cylinder,
Working connection comprises the constant-pressure variable electromagnetic plunge pump I, the selector valve I that connect successively, two actuator ports connecting fluid cylinder pressure two hydraulic fluid port J and J in the same way respectively of described selector valve I;
Discharge refuse oil circuit and turnover panel oil circuit share the oil feeding line of a pressure-adjustable, and this oil feeding line comprises the constant-pressure variable electromagnetic plunge pump II, the selector valve II that connect successively, and two actuator ports of described selector valve II connect relief valve I and relief valve II respectively;
The oil feeding line of described pressure-adjustable is to discharge refuse oil circuit fuel feeding, and described discharge refuse oil circuit comprises selector valve III, and two actuator ports of described selector valve III connect J mouth and the J mouth of reversing motor respectively;
The oil feeding line of described pressure-adjustable is to turnover panel oil circuit fuel feeding, and described turnover panel oil circuit comprises selector valve IV, and two actuator ports of described selector valve IV connect the J mouth J mouth of turnover panel oil hydraulic cylinder respectively.
By the dual Flow-rate adjustment with the Variable plunger pump I of solenoid valve group in working connection, the movement locus of washbox screenplate can be controlled more accurately, the lifting speed realizing sieve plate is adjustable, and in sieve plate decline process, by controlling selector valve I, allowing the meter out of oil hydraulic cylinder, realizing the buffering of hydraulic pressure, both be conducive to the layering of material, effectively protect equipment again; Control by selector valve II clockwise and anticlockwise and the adjusting rotary speed speed that reversing motor can realize waste rock discharge device, solve the stuck problem of waste rock discharge device and effective control discharge refuse amount; Turnover panel oil circuit, by effective control of solenoid valve group, at equipment initial operating stage, reasonably can control the opening time of turnover panel, ensures that coal is not along with spoil one piece discharge, saved resource.
The utility model devises,
1. the oil outlet place of described constant-pressure variable electromagnetic plunge pump I connects unidirectional filter and one-way valve I, a pilot-type relief valve I is connected at the filler opening place of unidirectional filter, described pilot-type relief valve controls its control port by two-position four-way solenoid directional control valve, selector valve I is connected at the oil outlet of one-way valve, described selector valve I is set to 3-position 4-way electro-hydraulic proportion reversing valve, and the actuator port K of described 3-position 4-way electro-hydraulic proportion reversing valve is two of connecting fluid cylinder pressure hydraulic fluid port J and J in the same way respectively;
2. the oil outlet place of described constant-pressure variable electromagnetic plunge pump II connects unidirectional filter tap and one-way valve II, selector valve II is connected between unidirectional filter tap and one-way valve II, described selector valve II is set to three-position four-way electromagnetic directional valve I, the actuator port A of described three-position four-way electromagnetic directional valve I connects relief valve I, and actuator port B connects relief valve II;
3. described selector valve III is set to three-position four-way electromagnetic directional valve II, two actuator ports of described three-position four-way electromagnetic directional valve II respectively in establish throttle valve, its two actuator ports connect J mouth and the J mouth of reversing motor respectively;
4. described selector valve IV is set to three-position four-way electromagnetic directional valve III, two actuator port K and K difference series connection Pilot operated check valve and one-way throttle valve successively of described three-position four-way electromagnetic directional valve III, K with K hydraulic fluid port is connected the control port of two Pilot operated check valves respectively, and two one-way throttle valve oil outlets connect the J mouth J mouth of turnover panel oil hydraulic cylinder respectively.
The utility model devises, and the filler opening of described constant-pressure variable electromagnetic plunge pump connects the stop valve with position limit switch.
The utility model devises, the oil outlet of described one-way valve I series connection stop valve I. with stop valve II., at stop valve I. and stop valve II. between connect bladder type hydropneumatic accumulator, at stop valve II. filler opening and oil outlet between relief valve III in parallel.
The utility model devises, and connects pilot-type relief valve II at the actuator port of 3-position 4-way electro-hydraulic proportion reversing valve.
The utility model devises, at the actuator port Bonding pressure sensor of 3-position 4-way electro-hydraulic proportion reversing valve.
The utility model devises, and described reversing motor is provided with the braking device that oil hydraulic cylinder controls, and described oil hydraulic cylinder controls oil-feed and fuel-displaced by the two-position four way change valve being connected to J hydraulic fluid port.
The utility model devises, and the filler opening place of described two-position four way change valve connects type pilot reduction valve.
The utility model devises, this hydraulic control system is provided with the oil circuit carrying out rinsing and heat cooling, this oil circuit comprises constant flow paddle pump, stop valve III, filter tap, unidirectional filter, relief valve IV and two two three-way electromagnetic valves, circulation flushing motor, coupling and electric heater, described circulation flushing motor connects constant flow paddle pump by coupling, the oil outlet place of constant flow paddle pump connects stop valve III successively, filter tap and unidirectional filter, an auxiliary hydraulic fluid port E is set at stop valve III two ends, U, F and G, at constant flow paddle pump with arrange relief valve IV between stop valve, at filter tap two ends, cooling water intake and coolant outlet are set respectively, two two three-way electromagnetic valves of controlled cooling model water are set between cooling water intake and filter tap.
The utility model devises, and the oil storage pool of described hydraulic control system is provided with electronic stuff level meter.
Accompanying drawing explanation
Fig. 1 is the oil feeding line that discharge refuse oil circuit of the present utility model and turnover panel oil circuit and discharge refuse oil circuit and turnover panel oil circuit share;
Fig. 2 is auxiliary oil way of the present utility model;
Fig. 3 is the working connection of control rocking arm lifting hydraulic cylinder of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail:
Be a specific embodiment of the present utility model as Figure 1-3, illustrate the present embodiment by reference to the accompanying drawings, this hydraulic control system comprises, constant-pressure variable electromagnetic plunge pump I 1, with the stop valve 15 of position limit switch, unidirectional filter 9, one-way valve I 6, pilot-type relief valve I 4, there is the 3-position 4-way electro-hydraulic proportion reversing valve 10 of actuator port K1 and K2, pressure transducer 13, three-position four-way electromagnetic directional valve II 34, stop valve I 60.1, stop valve II 60.2, bladder type hydropneumatic accumulator 18, relief valve III 17, unidirectional filter tap 45, one-way valve II 41, three-position four-way electromagnetic directional valve I 59, relief valve I 40, relief valve II 43, there is the three-position four-way electromagnetic directional valve II 34 of actuator port K3 and K4, there is J3 and J4 hydraulic fluid port and with the two-way hydraulic motor 36 of hydraulic control braking device, type pilot reduction valve 33, there is K5 and K6 hydraulic fluid port three-position four-way electromagnetic directional valve III 39, there is the turnover panel oil hydraulic cylinder 52 of J1 and J2 hydraulic fluid port,
The filler opening place of described constant-pressure variable electromagnetic plunge pump I 1 connects the stop valve 15 with position limit switch, its oil outlet place connects unidirectional filter 9 and one-way valve I 6, a pilot-type relief valve I 4 is connected at the filler opening place of unidirectional filter 9, described pilot-type relief valve I 4 controls its control port by two-position four-way solenoid directional control valve, 3-position 4-way electro-hydraulic proportion reversing valve 10 is connected at the oil outlet of one-way valve 6, the hydraulic fluid port J6 of the actuator port K1 difference connecting fluid cylinder pressure 14 of described 3-position 4-way electro-hydraulic proportion reversing valve 10 and hydraulic fluid port J7, hydraulic fluid port J6 and hydraulic fluid port J7 is set to hydraulic fluid port in the same way, the actuator port K2 Bonding pressure sensor 13 of described 3-position 4-way electro-hydraulic proportion reversing valve 10, described pressure transducer 13 is for measuring working pressure when rocking arm promotes, the i.e. actual value of bed, the opening degree of three-position four-way electromagnetic directional valve II 34 is regulated by the actual value measuring bed, and then regulate the rotating speed of two-way hydraulic motor, control discharge refuse amount,
At oil outlet series connection stop valve I 60.1 and the stop valve II 60.2 of one-way valve I 6, between stop valve I 60.1 and stop valve II 60.2, connect bladder type hydropneumatic accumulator 18, relief valve III 17 in parallel between the filler opening and oil outlet of stop valve II 60.2;
Described constant-pressure variable electromagnetic plunge pump II 48 gives discharge refuse reversing motor and turnover panel oil hydraulic cylinder fuel feeding, its oil outlet place connects unidirectional filter tap 45 and one-way valve II 41, three-position four-way electromagnetic directional valve I 59 is connected between unidirectional filter tap 45 and one-way valve II 41, the actuator port A of described three-position four-way electromagnetic directional valve I 59 connects relief valve I 40, and actuator port B connects relief valve II 43;
Described constant-pressure variable electromagnetic plunge pump II 48 gives discharge refuse oil circuit fuel feeding, two actuator ports of described three-position four-way electromagnetic directional valve II 34 respectively in establish throttle valve, its actuator port K3 connects the J3 mouth of two-way hydraulic motor 36, and actuator port K4 connects J4 mouth; Described reversing motor 36 is provided with the braking device that oil hydraulic cylinder controls, and described oil hydraulic cylinder controls oil-feed and fuel-displaced by the two-position four way change valve 32 being connected to J5 hydraulic fluid port, and the filler opening place of described two-position four way change valve 32 connects type pilot reduction valve 33;
Described constant-pressure variable electromagnetic plunge pump II 48 gives turnover panel oil hydraulic cylinder 52 fuel feeding, two actuator port K5 and K6 difference series connection Pilot operated check valve and one-way throttle valve successively of described three-position four-way electromagnetic directional valve III 39, K5 with K6 hydraulic fluid port is connected the control port of two Pilot operated check valves respectively, and two one-way throttle valve oil outlets connect the J1 mouth J2 mouth of turnover panel oil hydraulic cylinder 52 respectively;
In this example, this hydraulic control system is provided with the oil circuit carrying out rinsing and cooling, and this oil circuit comprises constant flow paddle pump 25, stop valve III 53, filter tap 29, unidirectional filter 28, relief valve IV 26 and two two three-way electromagnetic valves 30, circulation flushing motor 23, coupling 24 and electric heaters 27;
Circulation flushing motor 23 connects constant flow paddle pump 25 by coupling 24, the oil outlet place of constant flow paddle pump 25 connects stop valve III 53, filter tap 29 and unidirectional filter 28 successively, 4 auxiliary hydraulic fluid port E, U, F and G are set at stop valve III 53 two ends, at constant flow paddle pump 25 with between stop valve 53, relief valve IV 26 is set, cooling water intake and coolant outlet are set respectively at filter tap 29 two ends, two two three-way electromagnetic valves 30 of controlled cooling model water are set between cooling water intake and filter tap 29;
After the first installation of hydraulic plumbing system, need to rinse pipeline, when stop valve III 53 is closed, hydraulic oil connects the oil outlet of working connection and pressure-adjustable oil circuit respectively through hydraulic fluid port E, U two mouthfuls, and hydraulic fluid port G, F two mouthfuls connects two oil returns of rocking arm oil circuit and discharge refuse oil circuit respectively, forms a loop thus and rinses, when stop valve 53 is opened, system has been rinsed, and after recovering pipeline, hydraulic fluid port G, F, E, U block; Open stop valve III 53, start circulation flushing motor 26, constant flow paddle pump 25 is driven by coupling 24, and the temperature of circulating-heating fluid is carried out by connecting electric heater 27, the oil temperature that the permission reaching oil hydraulic pump in whole system starts, unidirectional filter 28 can filter hydraulic oil in the process of oil circulation, keeps the turbidity test of fluid; If temperature is too high, in the scope that cooling water can be allowed the work that is cooled to of the temperature of hydraulic oil to be allowed by cooler 29 by connection two two three-way electromagnetic valves 30.
In this example, this hydraulic control system also comprises in oil storage pool 50 and is provided with electronic stuff level meter 20.
Technique effect of the present utility model is:
1, the dual Flow-rate adjustment of working connection can be realized owing to devising the constant pressure variable plunger pump I 1 controlled by solenoid valve group, the movement locus of washbox screenplate can be controlled more accurately, thus realize the reasonable layering of material;
2, owing to devising the stop valve 15 with position limit switch, when this stop valve is closed, after the position limit switch on it detects signal, constant pressure variable plunger pump I 1 can be closed and continue pump oil, avoid this pump and inhale empty damage.
3, owing to devising 3-position 4-way electro-hydraulic proportion reversing valve 10, by the pressure in the direction and built-in spring that control this selector valve, effectively can change pressure when rocking arm lifting hydraulic cylinder declines, change the rate of descent of sieve plate simultaneously, cushion to the decline process of sieve plate, be conducive to the reasonable layering of material;
4, owing to devising pressure transducer 13, transfer this pressure to electrical signal, thus control the opening degree of the built-in throttle valve in discharge refuse oil circuit in three position four-way directional control valve I 59, and then control the oil mass of its oil outlet, thus control the rotating speed of two-way hydraulic motor, realize fast slow-speed, thus effectively and accurately control discharge refuse amount.
5, owing to devising bladder type hydropneumatic accumulator 18, can the pressure of buffer system, if simultaneity factor pressure has overloaded, also pressure release can be carried out by this accumulator.
6, owing to devising constant-pressure variable electromagnetic plunge pump II 48, three-position four-way electromagnetic directional valve I 59, relief valve I 40, relief valve II 43 respectively by the pressure of controlling water kick valve I 40 and relief valve II 43, can realize the different pressure requirements to waste rock discharge device and panel turnover device.
7, owing to devising three-position four-way electromagnetic directional valve II 34, two-way hydraulic motor 36, two-position four way change valve 32 and type pilot reduction valve 33 with braking device, the clockwise and anticlockwise of two-way hydraulic motor can be realized, solve the problem that motor is stuck, also achieve the folding of two-way hydraulic motor break simultaneously.
8, owing to devising three-position four-way electromagnetic directional valve III 39 and connected one-way throttle valve and Pilot operated check valve, composition hydraulic lock group, when selector valve III 39 is in meta, ensures that turnover panel does not shake, improves the reliability of turnover panel position.
9, owing to devising constant flow paddle pump 25, stop valve III 53, filter tap 29, unidirectional filtration 28, relief valve IV 26 and two two three-way electromagnetic valves 30, circulation flushing motor 23, coupling 24 and electric heaters 27, achieve the flushing of system oil-way, ensure that the turbidity test of hydraulic oil, be also beneficial to the normal work of each element in system simultaneously; Also achieve heating and cooling system liquid force feed, the normal unlatching of oil hydraulic pump in guarantee system.
Certainly; above-mentioned explanation is not to restriction of the present utility model; the utility model is also not limited in above-mentioned citing, the change that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement, also should belong to protection domain of the present utility model.
Claims (10)
1. for a hydraulic control system for movable-sieve jig, comprise the working connection for controlling rocking arm lifting hydraulic cylinder, for control discharge spoil discharge refuse oil circuit, for controlling the turnover panel oil circuit of turnover panel oil hydraulic cylinder, it is characterized in that:
Working connection comprises the constant-pressure variable electromagnetic plunge pump I (1), the selector valve I that connect successively, and two actuator ports of described selector valve I are two of connecting fluid cylinder pressure (14) hydraulic fluid port J (6) and J (7) in the same way respectively; Discharge refuse oil circuit and turnover panel oil circuit share the oil feeding line of a pressure-adjustable, this oil feeding line comprises the constant-pressure variable electromagnetic plunge pump II (48), the selector valve II that connect successively, and two actuator ports of described selector valve II connect relief valve I (40) and relief valve II (43) respectively; The oil feeding line of described pressure-adjustable is to discharge refuse oil circuit fuel feeding, and described discharge refuse oil circuit comprises selector valve III, and two actuator ports of described selector valve III connect J (3) mouth and J (4) mouth of two-way hydraulic motor (36) respectively; The oil feeding line of described pressure-adjustable is to turnover panel oil circuit fuel feeding, and described turnover panel oil circuit comprises selector valve IV, and two actuator ports of described selector valve IV connect J (1) mouth J (2) mouth of turnover panel oil hydraulic cylinder (52) respectively.
2. the hydraulic control system for movable-sieve jig according to claim 1, is characterized in that:
1. the oil outlet place of described constant-pressure variable electromagnetic plunge pump I (1) connects unidirectional filter (9) and one-way valve I (6), a pilot-type relief valve I (4) is connected at the filler opening place of unidirectional filter (9), described pilot-type relief valve I (4) controls its control port by two-position four-way solenoid directional control valve, selector valve I is connected at the oil outlet of one-way valve (6), described selector valve I is set to 3-position 4-way electro-hydraulic proportion reversing valve (10), the actuator port K (1) of described 3-position 4-way electro-hydraulic proportion reversing valve (10) is two of connecting fluid cylinder pressure (14) hydraulic fluid port J (6) and J (7) in the same way respectively,
2. the oil outlet place of described constant-pressure variable electromagnetic plunge pump II (48) connects unidirectional filter tap (45) and one-way valve II (41), selector valve II is connected between unidirectional filter tap (45) and one-way valve II (41), described selector valve II is set to three-position four-way electromagnetic directional valve I (59), the actuator port A of described three-position four-way electromagnetic directional valve I (59) connects relief valve I (40), actuator port B and connects relief valve II (43);
3. described selector valve III is set to three-position four-way electromagnetic directional valve II (34), two actuator ports of described three-position four-way electromagnetic directional valve II (34) respectively in establish throttle valve, its two actuator ports connect J (3) mouth and J (4) mouth of two-way hydraulic motor (36) respectively;
4. described selector valve IV is set to three-position four-way electromagnetic directional valve III (39), two actuator port K (5) of described three-position four-way electromagnetic directional valve III (3) (9) and K (6) difference series connection Pilot operated check valve and one-way throttle valve successively, K (5) is connected the control port of two Pilot operated check valves respectively with K (6) hydraulic fluid port, and two one-way throttle valve oil outlets connect J (1) mouth J (2) mouth of turnover panel oil hydraulic cylinder (52) respectively.
3. a kind of hydraulic control system for movable-sieve jig according to claim 2, is characterized in that: the filler opening of described constant-pressure variable electromagnetic plunge pump (1) connects the stop valve (15) with position limit switch.
4. a kind of hydraulic control system for movable-sieve jig according to claim 2, it is characterized in that: the oil outlet series connection stop valve I (60) of described one-way valve I (6). (1) and stop valve II (60.2), bladder type hydropneumatic accumulator (18) is connected, relief valve III (17) in parallel between the filler opening and oil outlet of stop valve II (60.2) between stop valve I (60.1) and stop valve II (60.2).
5. a kind of hydraulic control system for movable-sieve jig according to claim 2, is characterized in that: connect pilot-type relief valve II (11) at the actuator port of 3-position 4-way electro-hydraulic proportion reversing valve (10).
6. a kind of hydraulic control system for movable-sieve jig according to claim 2, is characterized in that: at the actuator port Bonding pressure sensor (13) of 3-position 4-way electro-hydraulic proportion reversing valve (10).
7. a kind of hydraulic control system for movable-sieve jig according to claim 2, it is characterized in that: described reversing motor (36) is provided with the braking device that oil hydraulic cylinder controls, described oil hydraulic cylinder controls oil-feed and fuel-displaced by the two-position four way change valve (32) being connected to J (5) hydraulic fluid port.
8. a kind of hydraulic control system for movable-sieve jig according to claim 2, is characterized in that: the filler opening place of described two-position four way change valve (32) connects type pilot reduction valve (33).
9. a kind of hydraulic control system for movable-sieve jig according to any one of claim 2, it is characterized in that: this hydraulic control system is provided with the oil circuit carrying out rinsing and heat cooling, this oil circuit comprises constant flow paddle pump (25), stop valve III (53), filter tap (29), unidirectional filter (28), relief valve IV (26) and two two three-way electromagnetic valves (30), circulation flushing motor (23), coupling (24) and electric heater (27), described circulation flushing motor (23) connects constant flow paddle pump (25) by coupling (24), the oil outlet place of constant flow paddle pump (25) connects stop valve III (53) successively, filter tap (29) and unidirectional filter (28), at stop valve III (53) two ends, (4) individual auxiliary hydraulic fluid port E is set, U, F and G, at constant flow paddle pump (25) with between stop valve (53), relief valve IV (26) is set, at filter tap (29) two ends, cooling water intake and coolant outlet are set respectively, two two three-way electromagnetic valves (30) of controlled cooling model water are set between cooling water intake and filter tap (29).
10. a kind of hydraulic control system for movable-sieve jig according to claim 1, is characterized in that: the oil storage pool (50) of described hydraulic control system is provided with electronic stuff level meter (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420657859.5U CN204419734U (en) | 2014-11-06 | 2014-11-06 | For the hydraulic control system of movable-sieve jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420657859.5U CN204419734U (en) | 2014-11-06 | 2014-11-06 | For the hydraulic control system of movable-sieve jig |
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| Publication Number | Publication Date |
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| CN204419734U true CN204419734U (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420657859.5U Expired - Fee Related CN204419734U (en) | 2014-11-06 | 2014-11-06 | For the hydraulic control system of movable-sieve jig |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863912B (en) * | 2014-11-06 | 2017-05-24 | 山东泰安煤矿机械有限公司 | Liquid control system for buddle jig |
| CN108488149A (en) * | 2018-05-21 | 2018-09-04 | 中色科技股份有限公司 | Flushing method capable of manually reversing flushing hydraulic servo system |
| CN110332161A (en) * | 2019-07-17 | 2019-10-15 | 上海衡拓船舶设备有限公司 | Stabilizer two-stage pressure-regulating and the servo hydraulic system of load oil circuit switching |
| CN112833068A (en) * | 2020-12-16 | 2021-05-25 | 中国南方电网有限责任公司超高压输电公司曲靖局 | Integrated movable oil filtering and oiling equipment for hydraulic mechanism |
-
2014
- 2014-11-06 CN CN201420657859.5U patent/CN204419734U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863912B (en) * | 2014-11-06 | 2017-05-24 | 山东泰安煤矿机械有限公司 | Liquid control system for buddle jig |
| CN108488149A (en) * | 2018-05-21 | 2018-09-04 | 中色科技股份有限公司 | Flushing method capable of manually reversing flushing hydraulic servo system |
| CN110332161A (en) * | 2019-07-17 | 2019-10-15 | 上海衡拓船舶设备有限公司 | Stabilizer two-stage pressure-regulating and the servo hydraulic system of load oil circuit switching |
| CN112833068A (en) * | 2020-12-16 | 2021-05-25 | 中国南方电网有限责任公司超高压输电公司曲靖局 | Integrated movable oil filtering and oiling equipment for hydraulic mechanism |
| CN112833068B (en) * | 2020-12-16 | 2023-07-28 | 中国南方电网有限责任公司超高压输电公司曲靖局 | Integrated movable oil filtering and injecting equipment for hydraulic mechanism |
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