CN2861625Y - Hydraulic commission of slotted cooler - Google Patents

Abstract

The utility model relates to a hydraulic transmission equipment for grate cooling machines, mainly used for driving the cement clinker cooling equipment or for reciprocating movement and/or in the places of actions stable and speed controlled, comprising a circulation cooling filtering system, an oil tank, a pump and a valve controlling station, a hydraulic cylinder and an electric control part. The utility model can replace the former mechanical transmission, and realize the movement of the hydraulic cylinder as the requirement of the main machine through output pressure oil under the action of a high pressure pump through proportional valves and other auxiliary elements with the advantages of stable, reliable, energy-saving, nearly repairing-proof, and full automation.

Description

Grate cooler hydraulic transmission equipment

Technical field

The utility model relates to the cold machine machine in a kind of clinker cooling equipment field, particularly relates to a kind of Grate cooler hydraulic transmission equipment.

Background technique

Grate cooler transmission in the past relies on direct current generator to provide the direct driving force source by chain transmission.The carbon brush of direct current generator needs often to change like this, and the maintenance of direct current generator is more loaded down with trivial details; Mechanical transmission is impacted big when commutation simultaneously, what its transmission shaft need increase when equipment scale increases is more than what adopt hydraulic pressure to increase, its transmission shaft of hydraulic transmission only is subjected to thrust, and transmission shaft also is subjected to the torque of a rotation except that being subjected to thrust during mechanical transmission, and its overall structure also increases.The chain transmission wearing and tearing are big, and are not steady in the entire work process, can't effectively control inertia impact.

This shows that above-mentioned existing grate cooler mechanical transmission still has many defectives, and demands urgently further being improved.In order to solve the defective of existing grate cooler mechanical transmission, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but does not see always that for a long time suitable design finished by development, and this obviously is the problem that the anxious desire of relevant dealer solves.

Because the defective that above-mentioned existing grate cooler mechanical transmission exists, the inventor is based on being engaged in this type of product specification manufacturing abundant for many years practical experience and professional knowledge, actively studied innovation, in the hope of founding a kind of new Grate cooler hydraulic transmission equipment, can improve general existing grate cooler mechanical transmission, make it have more practicability.Through constantly research, design, and after studying sample and improvement repeatedly, create the utility model that has practical value finally.

Summary of the invention

The purpose of this utility model is, overcome the big defective of mechanically operated reversing impact that existing grate cooler mechanical transmission exists, and a kind of new Grate cooler hydraulic transmission equipment, technical problem to be solved are provided is to make its equipment energy consumption low, and plant maintenance is few, equipment volume is little, increase the capability development space of main process equipment machinery, be fit to factory's present situation, the cost performance height, thereby be suitable for practicality more, and have the value on the industry.

The purpose of this utility model and solve its technical problem and realize by the following technical solutions.Grate cooler hydraulic transmission equipment according to a kind of transmission that is used to comb that the utility model proposes, its transmission comprises the circulation cold filtration C of system, fuel tank D, pump valve control station E, oil hydraulic cylinder F, electric control system G for AC motor drives the hydraulic transmission of the high pressure oil that load sensitive pump provides.The inlet port of the C of the cold filtration system that wherein circulates links to each other with the oil back region h of fuel tank D by compensator 12e, butterfly valve 11e.The oil outlet of the circulation cold filtration C of system links to each other with the oil suction district x of fuel tank D by safety check 31.The main fuel sucking pipe a of pump valve control station E links to each other with the oil suction district x of fuel tank D by compensator 34, butterfly valve 33.The main return tube b of pump valve control station E, main drain mast i link to each other with the oil back region h of fuel tank D.Oil hydraulic cylinder F links to each other with pump valve control station E by high-pressure rubber pipe d, steel pipe e.Electric control system G links to each other with the circulation cold filtration C of system, fuel tank D, pump valve control station E, oil hydraulic cylinder F by lead f.

The purpose of this utility model and solve its technical problem and also can be applied to the following technical measures to achieve further.

Aforesaid Grate cooler hydraulic transmission equipment, the wherein said circulation cold filtration C of system comprises screw pump group 23, compensator 24, pressure meter switch 25, pressure gauge 26, one-way valve 27, cooler 28, ball valve 30a, ball valve 30b.Wherein the inlet port of screw pump group 23 links to each other with fuel tank D oil back region h by compensator 12e, butterfly valve 11e.The oil outlet of screw pump group 23 links to each other with the filler opening of cooler 28 by compensator 24.The oil outlet of cooler 28 links to each other with the oil suction district x of fuel tank D by safety check 31.The filler opening of one-way valve 27 is connected on cooler 28 filler openings, the oil outlet of one-way valve 27 is connected on the oil outlet of cooler 28, pressure gauge 26 is connected on the filler opening of cooler 28 by pressure meter switch 25, ball valve 30a back connects on the water intake of cooler 28, and ball valve 30b connects on the water outlet of cooler 28.

Aforesaid Grate cooler hydraulic transmission equipment, wherein said fuel tank D comprises air filter 1, duplex filter 2, thermal resistor 3, liquid level relay 4, liquid level liquid thermometer 5, ball valve 6a, ball valve 6b, filter 7, heater 8a, heater 8b, heater 8c, one-way valve 9, fuel tank body 10.Wherein air filter 1, liquid level relay 4, filter 7, one-way valve 9 are contained in the x top, oil suction district of fuel tank body 10.Filter 7 links to each other with the circulation cold filtration C of system by safety check 31.One-way valve 9 is contained in the import of filter 7, the top that duplex filter 2 is contained in the oil back region h of fuel tank body 10 links to each other with main return tube b, thermal resistor 3 is contained in middle part, fuel tank body 10 sides, heater 8a, heater 8b, heater 8c are contained in the side bottom of fuel tank body 10, liquid level liquid thermometer 5 is contained in top, fuel tank body 10 side, ball valve 6a is contained in the oil suction district h bottom of fuel tank body 10, and ball valve 6b is contained in the oil back region x bottom of fuel tank body 10.

Aforesaid Grate cooler hydraulic transmission equipment, wherein said pump valve control station E comprises main fuel sucking pipe a, main return tube b, standby control valve c, main drain mast i, standby pressure pipe p, pump motor group g1, pump motor group g2, pump motor group g3 and a stand by pump group of motors g4, oil circuit controll block S1, oil circuit controll block S2, oil circuit controll block S3, butterfly valve 11a, butterfly valve 11b, butterfly valve 11c, butterfly valve 11d, compensator 12a, compensator 12b, compensator 12c, compensator 12d, stop valve 13a, stop valve 13b, stop valve 13c, stop valve 14a, stop valve 14b, stop valve 14c, one-way valve 15, pressure regulation piece 16, high-pressure rubber pipe 17a, high-pressure rubber pipe 17b, high-pressure rubber pipe 17c, high-pressure rubber pipe 17d, high-pressure rubber pipe 18a, high-pressure rubber pipe 18b, high-pressure rubber pipe 18c, high-pressure rubber pipe 18d, high-pressure rubber pipe 19a, high-pressure rubber pipe 19b, high-pressure rubber pipe 19c, high-pressure rubber pipe 19d, stop valve 20a, stop valve 20b, stop valve 20c, rapid pipe joint 29a, rapid pipe joint 29b, rapid pipe joint 29c, rapid pipe joint 29d.Wherein pump motor group g4 is standby that group farthest from fuel tank D that is contained in.The inlet port Q of pump motor group g4 links to each other with group fuel sucking pipe a by compensator 12d, butterfly valve 11d.The oil outlet Z of pump motor group g4 links to each other with the oil inlet P 1 of pressure regulation piece 16 by high-pressure rubber pipe 17d.The control port N of pump motor group g4 links to each other with standby control valve c by high-pressure rubber pipe 18d.The drain tap W of pump motor group g4 links to each other with main drain mast i by high-pressure rubber pipe 19d, rapid pipe joint 29d.The oil return inlet T of pressure regulation piece 16 connects on the main return tube b, and the oil inlet P 2 of pressure regulation piece 16 connects the A mouth of one-way valve 15, and the B mouth of one-way valve 15 connects on the standby pressure pipe p.

Other three groups of pump motor group g1, g2, g3 become identical three groups of structure, function with three groups of oil circuit controll block S1, S2, S3 are supporting separately respectively.Wherein first group of structure is as follows: pump motor group g1 is contained in be nearest one group away from fuel tank.The inlet port Q of pump motor group g1 links to each other with main fuel sucking pipe a by compensator 12a, butterfly valve 11a.The control port N of pump motor group g1 links to each other with the control port K1 of oil circuit controll block S1 by high-pressure rubber pipe 18a, stop valve 20a.The oil outlet Z of pump motor group g1 links to each other with the oil inlet P 1 of oil circuit controll block S1 by high-pressure rubber pipe 17a.The drain tap W of pump motor group g1 links to each other with main drain mast i by high-pressure rubber pipe 19a, rapid pipe joint 29a.The control port K2 of oil circuit controll block S1 links to each other with standby control valve c by stop valve 13a.The oil inlet P 2 of oil circuit controll block S1 links to each other with standby pressure pipe p by stop valve 14a.Three groups of oil circuit controll block S1, S2, S3, be contained in three groups of pump motor group g1, g2, g3 front upper place respectively.Main fuel sucking pipe a is contained in the front lower place of four groups of pump motor group g1, g2, g3, g4.Main drain mast i, main return tube b, standby pressure pipe p, standby control valve c are contained in four groups of pump motor group g1, g2, g3, g4 front upper place.Pressure regulation piece 16 is contained in pump motor group g4 top.

Aforesaid Grate cooler hydraulic transmission equipment, wherein said oil circuit controll block S1 comprise precursor overflow valve 21a, cartridge valve 22a, proportional reversing valve 32a, shuttle valve 35a, relief valve 36a, relief valve 37a, relief valve 37b, pressure transducer 38a, pressure measuring tie-in 39a, pressure measuring tie-in 39b, pressure measuring tie-in 39c, pressure measuring tie-in 39d, pressure gauge 40a, pressure gauge 40b, one-way valve 41a, one-way valve 41b, oil circuit controll block body 42a.Wherein the oil inlet P 1 of oil circuit controll block body 42a communicates with the A mouth of cartridge valve 22a, cartridge valve 22a is contained on two of oil circuit controll block body 42a, the B mouth one tunnel of cartridge valve 22a connects the A mouth of precursor overflow valve 21a, the B mouth of precursor overflow valve 21a connects the main oil return inlet T of oil circuit controll block S1, the oil inlet P 2 of oil circuit controll block S1 connects the A mouth of precursor overflow valve 21a, and precursor overflow valve 21a is contained on three of oil circuit controll block body 42a.Another road of B mouth of cartridge valve 22a meets proportional reversing valve filler opening m, proportional reversing valve 32a is contained on five of oil circuit controll block body 42a, proportional reversing valve return opening n connects the main oil return inlet T of oil circuit controll block S1, the A mouth of proportional reversing valve 32a also connects the A mouth of one-way valve 41a, the A mouth of relief valve 37a, and the B mouth of one-way valve 41a, the B mouth of relief valve 37a connect the main oil return inlet T of oil circuit controll block S1 together.Relief valve 37a, 37b are contained on two of oil circuit controll block body 42a, one-way valve 41a is contained on six of oil circuit controll block body 42a, one-way valve 41b is contained on the four sides of oil circuit controll block body 42a, the B mouth of proportional reversing valve 32a also connects the A mouth of one-way valve 41b, the A mouth of relief valve 37b, the B mouth of one-way valve 41b, the B mouth of relief valve 37b connect the main oil return inlet T of oil circuit controll block S1 together, the A of proportional reversing valve 32a, B mouth are received A, the B mouth of oil circuit controll block S1, the rod chamber y1 of the A of oil circuit controll block S1, B mouth, oil hydraulic cylinder F, rodless cavity y2 respectively.The A of shuttle valve 35a, B mouth are connected on A, the B mouth of proportional reversing valve 32a respectively, the C mouth of shuttle valve 35a meets control port K1 and the control port K2 of oil circuit controll block body 42a, the C mouth of shuttle valve 35a connects the A mouth of relief valve 36a, and the B mouth of relief valve 36a connects the main oil return inlet T of oil circuit controll block S1.Relief valve 36a is contained on the four sides of oil circuit controll block body 42a, shuttle valve 35a is contained on two of oil circuit controll block body 42a, pressure transducer 38a connects the A mouth of proportional reversing valve 32a, pressure transducer 38a is contained on five of oil circuit controll block body 42a, pressure measuring tie-in 39a, pressure measuring tie-in 39b, pressure measuring tie-in 39c, pressure measuring tie-in 39d meet the A, B mouth, the C mouth of shuttle valve, the A mouth of cartridge valve 22a of proportional reversing valve 32a respectively, pressure gauge 40a, pressure gauge 40b can detect the pressure of each pressure-measuring point arbitrarily, and pressure gauge 40a and pressure gauge 40b are contained on the support.The structure function of other two groups of oil circuit controll block S2, oil circuit controll block S3 is identical with top described oil circuit controll block S1's.

Aforesaid Grate cooler hydraulic transmission equipment, wherein said pressure regulation piece 16 comprises pressure regulation block body t, precursor overflow valve 21d.Wherein precursor overflow valve 21d be contained in pressure regulation block body t above, there is oil inlet P 1 back of pressure regulation block body t, the oil outlet Z of the oil inlet P 1 of pressure regulation block body t by high-pressure rubber pipe 17d and load sensitive pump 46d with link to each other, below the pressure regulation block body t oil inlet P 2 is arranged, the oil inlet P 2 of pressure regulation block body t reacts on the one-way valve 15 of load sensitive pump 46d when the power failure machine by preventing high pressure oil, steel pipe e links to each other with standby pressure oil pipe p, the left surface of pressure regulation block body t has main oil return inlet T, the main oil return inlet T of pressure regulation block body t links to each other with main return tube b by steel pipe e, the B mouth of precursor overflow valve 21d connects the main oil return inlet T of pressure regulation block body t, the oil inlet P 2 of pressure regulation block body t connects the A mouth of precursor overflow valve 21d, and precursor overflow valve 21d effect is the safety valve of load sensitive pump 46d.

Aforesaid Grate cooler hydraulic transmission equipment, it is characterized in that described pump motor group g1 comprises motor 43a, sleeve flange 44a, coupling 45a, load sensitive pump 46a, wherein the axle of the transmission shaft of load sensitive pump 46a by coupling 45a and the motor 43a load sensitive pump 46a that links to each other fixes by sleeve flange 44a and motor 43a, the inlet port Q of load sensitive pump 46a is by compensator 12a, butterfly valve 11a oil suction from main fuel sucking pipe a, the oil outlet Z of load sensitive pump 46a links to each other with the oil inlet P 1 of oil circuit controll block S1 by high-pressure rubber pipe 17a, the control port N of load sensitive pump 46a links to each other with the control port K1 of oil circuit controll block S1 by high-pressure rubber pipe 18a, the drain tap W of load sensitive pump 46a links to each other with main drain mast i by high-pressure rubber pipe 19a, when pump motor group g1 needs when standby stop valve 13a, stop valve 14a opens, stop valve 20a closes, start stand by pump group of motors g4, stop valve 20a-c is an opening state under the normal condition, stop valve 13a-c, stop valve 14a-c is a closed condition, needs that standby group corresponding stop valve to do corresponding the switching; Other two groups of pump motor group g2, g3 are identical with the structure function of above-mentioned pump motor group g1;

The inlet port Q of load sensitive pump 46d among the wherein said pump motor group g4 links to each other with group fuel sucking pipe a by compensator 12d, butterfly valve 11d, the oil outlet Z of load sensitive pump 46d links to each other with the oil inlet P 1 of pressure regulation piece 16 by high-pressure rubber pipe 17d, the control port N of load sensitive pump 46d links to each other with standby control valve c by high-pressure rubber pipe 18d, the drain tap W of load sensitive pump 46d links to each other with main drain mast i by high-pressure rubber pipe 19d, rapid pipe joint 29d, and other 26S Proteasome Structure and Function of pump motor group g4 is with pump motor group g1.

Aforesaid Grate cooler hydraulic transmission equipment, wherein said oil hydraulic cylinder F, its structure is that two ends earrings band joint shaft bearing j is connected with external equipment, the cylinder body two ends connect for flange L, rod chamber y1 and rodless cavity y2 are arranged in the chamber of oil hydraulic cylinder F, the rodless cavity y2 of oil hydraulic cylinder F and the cavity area of rod chamber y1 be than the single piston rod cylinder that is 1.46, and the rod chamber y1 of oil hydraulic cylinder F links to each other with B mouth on the oil circuit controll block, and the rodless cavity y2 of oil hydraulic cylinder F links to each other with A mouth on the oil circuit controll block.

Aforesaid Grate cooler hydraulic transmission equipment, wherein said electric control system G comprises electric control cubicle 47, PIC48, power supply 49, touch screen 50, relay group 51, near switch 52, circuit breaker 53, power supply 49 is for touch screen 50, relay group 51, provide power supply near switch 52, PIC48.Wherein be connected with relay group 51 by lead f near switch 52, liquid level relay 4, relay group 51 links to each other with PLC48 by lead f, PLC48 is by lead f and touch screen 50, PLC48 links to each other with proportional reversing valve 32a-c, pressure transducer 38a-c, thermal resistor 3 by lead f simultaneously, the power lead f that comes in the outside links to each other with circuit breaker 53, circuit breaker 53 links to each other with power supply 49 by lead f, and power supply 49 passes through lead f with PLC48, touch screen 50, relay group 51, link to each other near switch 52; Circuit breaker 53 is above power supply, power supply 49 is on the left side of PLC48, relay group 51 is below power supply 49, PLC48, touch screen 50 leans in the middle of the cabinet front of electric control cubicle 47, PLC48, power supply 49, relay group 51 are contained in the position of close oil hydraulic cylinder F in the inside of electric control cubicle 47 near switch 52.

The utility model compared with prior art has tangible advantage and beneficial effect.By above technological scheme as can be known, in order to reach aforementioned goal of the invention, major technique of the present utility model thes contents are as follows:

The utility model proposes a kind of Grate cooler hydraulic transmission equipment, wherein,

1, the pump valve control station mainly is the commutation of control oil hydraulic cylinder, speed governing, and the high pressure oil of need of work is provided for oil hydraulic cylinder F.

(1) cartridge valve one tunnel connects precursor overflow valve, and its effect is the safety valve of responsive pump, and another road of cartridge valve connects proportional reversing valve, by positive and negative and big or small commutation and the speed governing of controlling oil hydraulic cylinder F of the electric current of control ratio selector valve;

(2) relief valve and one-way valve are contained in A, the B mouth of proportional reversing valve respectively, and effect is to play safety protection when outer load inertia impact is too big;

(3) adopting three usefulness one to prepare to turning round continuously provides safeguard;

(4) adopt load sensitive pump and proportional reversing valve reasonably to arrange in pairs or groups to realize energy-conservation and effect stably;

(5) before pressure measuring tie-in was connected on cartridge valve, effect was the delivery pressure that can detect load sensitive pump;

(6) effect of cartridge valve is that pressure oil flows backwards and returns to make load sensitive pump 46a counter-rotating when preventing to have a power failure machine.

2, mainly to act on be the hydraulic oil that cooling cleaning is provided to the pump valve control station in circulation cold filtration system, guarantees proportional reversing valve and hydraulic system proper functioning, improves working life of all sealings.

3, fuel tank stores hydraulic pressure oil and detection hydraulic oil

(1) fuel tank internal is divided into oil suction district and oil back region, for abundant cold filtration provides condition;

(2) guarantee that through duplex filter fuel tank is not subjected to outside contamination during main return tube b oil sump tank D;

(3) on the fuel tank liquid level relay is housed, when the liquid level in the fuel tank is low, reports to the police and point out to operator;

(4) on the fuel tank thermal resistor is housed, to detect the temperature of fuel tank, control heater and cooler work simultaneously;

(5) on the fuel tank air filter is housed, to guarantee the cleaning in the fuel tank.

4, electrical control part control ratio selector valve regulator solution cylinder pressure F speed, steadily commutation

(1) PLC exports the speed that the openings of sizes of corresponding current signal control ratio selector valve is come the regulator solution cylinder pressure according to the parameter of setting;

(2) while is according to the actual motion speed of the Time Calculation oil hydraulic cylinder of the double signal that collects near switch, actual velocity and setting speed are compared the size of the current signal of adjusting PLC control ratio selector valve, thereby realize electric closed loop control;

(3) waveform by the program control current signal comes the control ratio selector valve to realize steadily commutation.

Aforesaid Grate cooler hydraulic transmission equipment, be example wherein with pump motor group g1, it adopts the inlet port Q of load sensitive pump 46a to receive on the main fuel sucking pipe a by compensator 12a, butterfly valve 11a, the oil outlet Z of load sensitive pump 46a links to each other with the oil inlet P 1 of oil circuit controll block S1 by high-pressure rubber pipe 17a, pressure oil enters behind the oil circuit controll block S1 earlier by cartridge valve 22a, and the effect of cartridge valve 22a is that pressure oil flows backwards and returns to make load sensitive pump 46a counter-rotating when preventing to have a power failure machine 43a.

Before pressure measuring tie-in 39d was connected on cartridge valve 22a, effect was the delivery pressure that can detect load sensitive pump 46a, meets precursor overflow valve 21a by cartridge valve 22a one tunnel, and its effect is the safety valve of responsive pump 46a.Another road of cartridge valve 22a meets proportional reversing valve 32a, by positive and negative and big or small commutation and the speed governing of controlling oil hydraulic cylinder F of the electric current of control ratio selector valve 32a.When proportional reversing valve 32a control signal electric current on the occasion of the time pressure oil meet the rodless cavity y2 of oil hydraulic cylinder F and the oily passing ratio selector valve 32a of rod chamber y1 takes back fuel tank D.Pressure oil meets the rod chamber y1 of oil hydraulic cylinder F when proportional reversing valve 32a control signal electric current is negative value, and the oily passing ratio selector valve 32a of rodless cavity y2 takes back fuel tank D, thereby realizes the commutation of hydraulic pressure.

When the control signal electric current was 0mA, the opening of proportional reversing valve 32a was zero, and pressure oil can't pass through, when the control signal electric current be-20mA and+during 20mA, the opening of proportional reversing valve 32a is for very, pressure oil throughput maximum.The flow of control signal electric current and hydraulic oil is linear under a constant compression force, thereby realizes steadily commutation and speed governing by the positive and negative and size and the waveform of PIC48 control current signal.

Relief valve 37a, relief valve 37b, one-way valve 41a, one-way valve 41b are contained in A, the B mouth of proportional reversing valve 32a respectively, and effect is to play safety protection when outer load inertia impact is too big.The load sensor of load sensitive pump 46a guarantees that pump only provides required flow of load and pressure all the time, meanwhile, the working pressure of pump is adjusted to the pressure reduction that actual loading pressure adds that control is required, when system not during required power, load sensor control is worked in a kind of energy-conservation mode of awaiting orders, it is the not outside pressure oil output of load sensitive pump 46a, this moment, motor was quite unloaded, load sensitive pump 46a regulates the outwards suitable pressure oil of output automatically when proportional reversing valve 32a starts working, and can reach energy-conservation effect like this.

The filler opening of the screw pump group 23 of the wherein said circulation cold filtration C of system links to each other with the oil back region h of fuel tank D by compensator 12e, butterfly valve 11e, the oil of returning cools off the oil suction district x that delivers to fuel tank D after filtration working from pump valve control station E, main effect is the hydraulic oil that the cooling cleaning is provided to pump valve control station E, guarantees proportional reversing valve and hydraulic system proper functioning, improves working life of all sealings.

Wherein said fuel tank D inside is divided into oil suction district x and oil back region h, for abundant cold filtration provides condition; Fuel tank D is equipped with duplex filter 2 simultaneously, guarantee that through duplex filter 2 fuel tank D are not subjected to outside contamination during main return tube b oil sump tank D, duplex filter 2 has only a job when work simultaneously, and filter is reported to the police when having blocked up, and can switch to another work this moment.Liquid level relay 4 is housed on the fuel tank D, when the liquid level in the fuel tank D is low, reports to the police to operator's prompting, whether leakage of oil of inspection equipment, hydraulic system is shut down when liquid level is too low, to guarantee device security.Thermal resistor 3 is housed on the fuel tank D, and its effect is the temperature that detects fuel tank D, simultaneously control heater and cooler work.Air filter 1 is housed on the fuel tank D, and its effect is the cleaning that guarantees in the fuel tank D.

Wherein said electric control system G gathers the be ready for signal of the limit signal of butterfly valve before each pump as electric motor starting by PIC47, by the left and right spacing commutation signal before the collection hydraulic cylinder piston rod as proportional reversing valve, simultaneously by continuous acquisition to a left side or calculate per minute oil hydraulic cylinder real work number of times by PIC47 the blanking time of right limit, again set point number and actual frequency are relatively adjusted the signal code size of control ratio selector valve by PIC47, thus the actual motion number of times that makes oil hydraulic cylinder and set point number near or equate.

Via as can be known above-mentioned, the utility model is about a kind of comb Coolers hydraulic transmission equipment, is mainly used in the driving of clinker cooling equipment, and also can be used for needs to-and-fro motion, requires the place of stable action variable-speed.Its major component comprises circulation cold filtration system, fuel tank, pump valve control station, oil hydraulic cylinder, electric control system.Grate cooler hydraulic transmission equipment of the present utility model replaces mechanical transmission in the past, with steady, reliable, energy-conservation, be bordering on non-maintaining and full automation is a feature, this work outwards provides pressure oil through Proportional valve by high-pressure service pump, and other auxiliary realizes that the oil hydraulic cylinder motion reaches the job requirement of main process equipment.

By technique scheme, the utility model has following advantage at least:

1, the Grate cooler hydraulic transmission equipment that the utility model proposes adopts the hydraulic transmission band for original mechanical drive mode, and the inertia impact of the bed that effectively prevents to comb provides system reliability, stationarity.

2, the Grate cooler hydraulic transmission equipment that the utility model proposes is by positive and negative and big or small commutation and the speed governing of controlling oil hydraulic cylinder of the electric current of control ratio selector valve.

3, the Grate cooler hydraulic transmission equipment that the utility model proposes is realized steadily commutation and speed governing by the positive and negative and size and the waveform of PIC control current signal.

4, the Grate cooler hydraulic transmission equipment that the utility model proposes adopts load sensitive pump to match with proportional reversing valve to use and by PLC control, can cut down the consumption of energy, and strengthens automation, reduces mechanical wear, the operational support of raising grate cooler.

5, the Grate cooler hydraulic transmission equipment that the utility model proposes adopts load sensitive pump, can cut down the consumption of energy, and reduces maintenance.

6, the Grate cooler hydraulic transmission equipment that the utility model proposes adopts circulation cold filtration system, guarantees proportional reversing valve and hydraulic system proper functioning, improves working life of all sealings.

In sum, the Grate cooler hydraulic transmission equipment of the utility model special construction, it has above-mentioned many advantages and use value, and in like product, do not see have similar structural design and method to publish or use and really genus innovation, no matter it all has bigger improvement on product structure or function, have large improvement technically, and produced handy and practical effect, and more existing grate cooler tool transmission device has the multinomial effect of enhancement, thereby be suitable for practicality more, and have the extensive value of industry, really be a novelty, progressive, practical new design.

Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, below with preferred embodiment of the present utility model and conjunction with figs. describe in detail as after.

Concrete structure of the present utility model and working principle thereof are provided in detail by following examples and accompanying drawing.

Description of drawings

The whole principle schematic of Fig. 1 grate cooler Hydraulic Power Transmission System

Fig. 2 grate cooler Hydraulic Power Transmission System overall structure schematic top plan view

Fig. 3 grate cooler Hydraulic Power Transmission System circulation cold filtration system forms schematic top plan view

Fig. 4 a grate cooler Hydraulic Power Transmission System fuel tank plan structure schematic representation

The composition of Fig. 5 a grate cooler Hydraulic Power Transmission System pump valve control station is faced, schematic top plan view

The composition left side schematic representation of Fig. 5 b grate cooler Hydraulic Power Transmission System pump valve control station

The composition right side schematic representation of Fig. 5 c grate cooler Hydraulic Power Transmission System pump valve control station

The composition wire frame intention of Fig. 5 d grate cooler Hydraulic Power Transmission System pump valve control station

Fig. 6 a grate cooler Hydraulic Power Transmission System controll block structural representation

Fig. 6 b grate cooler Hydraulic Power Transmission System controll block structural representation

Fig. 6 c grate cooler Hydraulic Power Transmission System controll block flow process wire frame schematic representation

The facing of Fig. 7 grate cooler Hydraulic Power Transmission System pressure regulation piece, schematic top plan view

The side-looking structural representation of Fig. 8 grate cooler Hydraulic Power Transmission System pump motor group

Fig. 9 grate cooler Hydraulic Power Transmission System is carried out the hydraulic cylinder structure schematic representation

The wire frame intention of Figure 10 grate cooler Hydraulic Power Transmission System electrical control cabinet

Wherein:

C: the circulation cold filtration D of system: fuel tank

E: pump valve control station F: oil hydraulic cylinder

G: electrical control cabinet Q: inlet port

Z: oil outlet N: control port

W: drain tap a: main fuel sucking pipe

B: main return tube c: standby control valve

D: high-pressure rubber pipe e: steel pipe

I: main drain mast x: oil suction district

H: oil back region j: joint shaft bearing

L: flange p: standby pressure oil pipe

G1: pump motor group g2: pump motor group

G3: pump motor group g4: pump motor group

S1: oil circuit controll block S2: oil circuit controll block

S3: oil circuit controll block K1: control port

K2: control port P1: filler opening

P2: filler opening t: pressure regulation block body

T: main return opening F: oil hydraulic cylinder

Y1: rod chamber y2: rodless cavity

F: lead m: proportional reversing valve filler opening

N: proportional reversing valve return opening

1: air filter 2: duplex filter

3: thermal resistor 4: liquid level relay

5: liquid level liquid thermometer 6a: ball valve

6b: ball valve 7: filter

8a: heater 8b: heater

8c: heater 9: one-way valve

10: fuel tank body 11a: butterfly valve

11b: butterfly valve 11c: butterfly valve

11d: butterfly valve 11e: butterfly valve

12a: compensator 12b: compensator

12c: compensator 12d: compensator

12e: compensator 13a: stop valve

13b: stop valve 13c: stop valve

14a: stop valve 14b: stop valve

14c: stop valve 15: one-way valve

16: pressure regulation piece 17a: high-pressure rubber pipe

17b: high-pressure rubber pipe 17c: high-pressure rubber pipe

17d: high-pressure rubber pipe 18a: high-pressure rubber pipe

18b: high-pressure rubber pipe 18c: high-pressure rubber pipe

18d: high-pressure rubber pipe 19a: high-pressure rubber pipe

19b: high-pressure rubber pipe 19c: high-pressure rubber pipe

19d: high-pressure rubber pipe 20a: stop valve

20b: stop valve 20c: stop valve

21a: precursor overflow valve 21b: precursor overflow valve

21c: precursor overflow valve 21d: precursor overflow valve

22a: cartridge valve 22b: cartridge valve

22c: cartridge valve 23: screw pump group

24: compensator 25: pressure meter switch

26: pressure gauge 27: one-way valve

28: cooler 29a: rapid pipe joint

29b: rapid pipe joint 29c: rapid pipe joint

29d: rapid pipe joint 30a: ball valve

30b: ball valve 31: safety check

32a: proportional reversing valve 32b: proportional reversing valve

32c: proportional reversing valve 33: butterfly valve

34: compensator 35a: shuttle valve

35b: shuttle valve 35c: shuttle valve

36a: relief valve 36b: relief valve

36c: relief valve 37a: relief valve

37b: relief valve 37c: relief valve

37d: relief valve 37e: relief valve

37L: relief valve 38a: pressure transducer

38b: pressure transducer 38c: pressure transducer

39a: pressure measuring tie-in 39b: pressure measuring tie-in

39c: pressure measuring tie-in 39d: pressure measuring tie-in

40a-40g: pressure gauge 41a-41L: one-way valve

42a-42c: oil circuit controll block body 43a: motor

43b: motor 43c: motor

43d: motor 44a-44d: sleeve flange

45a-45d: coupling 46a-46d: load sensitive pump

47: electric control cubicle 48:PIC

49: power supply 50: touch screen

51: relay group 52: near switch

53: circuit breaker

Embodiment

Below in conjunction with accompanying drawing and preferred embodiment, to levying and effect according to its concrete structure of Grate cooler hydraulic transmission equipment that the utility model proposes, describe in detail as after.

See also Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, shown in Figure 10, the Grate cooler hydraulic transmission equipment of the utility model preferred embodiment, it mainly comprises: the circulation cold filtration C of system, fuel tank D, pump valve control station E, oil hydraulic cylinder F, electric control system G.

As shown in Figure 1, 2, this is the general assembly drawing of grate cooler Hydraulic Power Transmission System, and the inlet port of the C of the cold filtration system that wherein circulates links to each other with the oil back region h of fuel tank D by compensator 12e, butterfly valve 11e.The oil outlet of the circulation cold filtration C of system links to each other with the oil suction district x of fuel tank D by safety check 31.The main fuel sucking pipe a of pump valve control station E links to each other with the oil suction district x of fuel tank D by compensator 34, butterfly valve 33.The main return tube b of pump valve control station E, main drain mast i link to each other with the oil back region h of fuel tank D.Oil hydraulic cylinder F links to each other with pump valve control station E by high-pressure rubber pipe d, steel pipe e.Electric control system D links to each other with the circulation cold filtration C of system, fuel tank D, pump valve control station E, oil hydraulic cylinder F by lead L.

As shown in Figure 1, 2, 3, this is the circulated filter system C of grate cooler Hydraulic Power Transmission System, comprises screw pump group 23, compensator 24, pressure meter switch 25, pressure gauge 26, one-way valve 27, cooler 28, ball valve 30a, ball valve 30b.Wherein the inlet port of screw pump group 23 links to each other with fuel tank D oil back region h by compensator 12e, butterfly valve 11e.The oil outlet of screw pump group 23 links to each other with the filler opening of cooler 28 by compensator 24.The oil outlet of cooler 28 links to each other with the oil suction district x of fuel tank D by safety check 31.The filler opening of one-way valve 27 is connected on cooler 28 filler openings, and the oil outlet of one-way valve 27 is connected on the oil outlet of cooler 28.Pressure gauge 26 is connected on the filler opening of cooler 28 by pressure meter switch 25.Ball valve 30a back connects on the water intake of cooler 28, and ball valve 30b connects on the water outlet of cooler 28.

Shown in Fig. 1,2,4, this is the fuel tank D of grate cooler Hydraulic Power Transmission System, comprises air filter 1, duplex filter 2, thermal resistor 3, liquid level relay 4, liquid level liquid thermometer 5, ball valve 6a, ball valve 6b, filter 7, heater 8a, heater 8b, heater 8c, one-way valve 9, fuel tank body 10.Wherein air filter 1, liquid level relay 4, filter 7, one-way valve 9 are contained in the x top, oil suction district of fuel tank body 10.Filter 7 links to each other with the circulation cold filtration C of system by safety check 31.One-way valve 9 is contained in the import of filter 7, and the top that duplex filter 2 is contained in the oil back region h of fuel tank body 10 links to each other with main return tube b.Thermal resistor 3 is contained in middle part, fuel tank body 10 sides.Heater 8a, heater 8b, heater 8c are contained in the side bottom of fuel tank body 10.Liquid level liquid thermometer 5 is contained in top, fuel tank body 10 side.Ball valve 6a is contained in the oil suction district h side bottom of fuel tank body 10, and ball valve 6b is contained in the oil back region x side bottom of fuel tank body 10.

As Fig. 1,2,5a, 5b, 5c, shown in the 5d, this is the three-view diagram of the pump valve control station E of grate cooler Hydraulic Power Transmission System, comprises main fuel sucking pipe a, main return tube b, standby control valve c, main drain mast i, standby pressure pipe p, pump motor group g1, pump motor group g2, pump motor group g3, pump motor group g4, oil circuit controll block S1, oil circuit controll block S2, oil circuit controll block S3, butterfly valve 11a, butterfly valve 11b, butterfly valve 11c, butterfly valve 11d, compensator 12a, compensator 12b, compensator 12c, compensator 12d, stop valve 13a, stop valve 13b, stop valve 13c, stop valve 14a, stop valve 14b, stop valve 14c, one-way valve 15, pressure regulation piece 16, high-pressure rubber pipe 17a, high-pressure rubber pipe 17b, high-pressure rubber pipe 17c, high-pressure rubber pipe 17d, high-pressure rubber pipe 18a, high-pressure rubber pipe 18b, high-pressure rubber pipe 18c, high-pressure rubber pipe 18d, high-pressure rubber pipe 19a, high-pressure rubber pipe 19b, high-pressure rubber pipe 19c, high-pressure rubber pipe 19d, stop valve 20a, stop valve 20b, stop valve 20c, rapid pipe joint 29a, rapid pipe joint 29b, rapid pipe joint 29c, rapid pipe joint 29d, pressure gauge 40a-g.

Wherein pump motor group g4 is standby that group farthest from fuel tank D that is contained in.The inlet port Q of pump motor group g4 links to each other with group fuel sucking pipe a by compensator 12d, butterfly valve 11d, the oil outlet Z of pump motor group g4 links to each other with the oil inlet P 1 of pressure regulation piece 16 by high-pressure rubber pipe 17d, the control port N of pump motor group g4 links to each other with standby control valve c by high-pressure rubber pipe 18d, the drain tap W of pump motor group g4 links to each other with main drain mast i by high-pressure rubber pipe 19d, rapid pipe joint 53d, the main oil return T mouth of pressure regulation piece 16 connects on the main return tube b, the P2 mouth of pressure regulation piece 16 connects the A mouth of one-way valve 15, and the B mouth of one-way valve 15 connects on the standby pressure pipe p.

Other three groups of pump motor group g1, g2, g3 become identical three groups of structure, function with oil circuit controll block S1, S2, S3 are supporting separately respectively.Wherein first group of structure is as follows: pump motor group g1 is contained in be nearest one group away from fuel tank, and the inlet port Q of pump motor group g1 links to each other with main fuel sucking pipe a by compensator 12a, butterfly valve 11a.The control port N of pump motor group g1 links to each other with the control mouth oil K1 of oil circuit controll block S1 by high-pressure rubber pipe 18a, stop valve 20a.The oil outlet Z of pump motor group g1 links to each other with the oil inlet P 1 of oil circuit controll block S1 by high-pressure rubber pipe 17a.The drain tap W of pump motor group g1 links to each other with main drain mast i by high-pressure rubber pipe 19a, rapid pipe joint 29a.The control port K2 of oil circuit controll block S1 links to each other with standby control valve c by stop valve 13a.The oil inlet P 2 of oil circuit controll block S1 links to each other with standby pressure pipe p when pump motor group g1 needs are standby by stop valve 14a, and stop valve 13a, stop valve 14a are opened, and stop valve 20a closes, and starts stand by pump group of motors g4.Stop valve 20a-c is an opening state under the normal condition, and stop valve 13a-c, stop valve 14a-c are closed condition, needs that standby group corresponding stop valve to do corresponding the switching.Oil circuit controll block S1, S2, S3 are contained in pump motor group g1, g2, g3 front upper place respectively.

Main fuel sucking pipe a is contained in the front lower place of pump motor group g1, g2, g3, g4.Main drain mast i, main return tube b, standby pressure pipe p, standby control valve c are contained in pump motor group g1, g2, g3, g4 front upper place.Pressure regulation piece 16 is contained in pump motor group g4 top.Pressure gauge 40a-g is contained in the next door of oil circuit controll block S1-3, pressure regulation piece 16, can connect any near pressure measuring tie-in.

Shown in Fig. 6 a, 6b, 6c, this is the oil circuit controll block S1 figure of grate cooler Hydraulic Power Transmission System, comprises precursor overflow valve 21a, cartridge valve 22a, proportional reversing valve 32a, shuttle valve 35a, relief valve 36a, relief valve 37a, relief valve 37b, pressure transducer 38a, pressure measuring tie-in 39a, pressure measuring tie-in 39b, pressure measuring tie-in 39c, pressure measuring tie-in 39d, one-way valve 41a, one-way valve 41b, oil circuit controll block body 42a.Wherein the oil inlet P 1 of oil circuit controll block body 42a communicates with the A mouth of cartridge valve 22a.Cartridge valve 22a is contained on the four sides of oil circuit controll block body 42a, and the B mouth one tunnel of cartridge valve 22a connects the A mouth of precursor overflow valve 21a, and the B mouth of precursor overflow valve 21a connects the main oil return inlet T of oil circuit controll block S1.Precursor overflow valve 21a is contained on three of oil circuit controll block body 42a, and another road of B mouth of cartridge valve 22a meets proportional reversing valve filler opening m.Proportional reversing valve 32a is contained on five of oil circuit controll block body 42a, proportional reversing valve return opening n connects the main oil return inlet T of oil circuit controll block S1, the A mouth of proportional reversing valve 32a also connects the A mouth of one-way valve 41a, the A mouth of relief valve 37a, and the B mouth of one-way valve 41a, the B mouth of relief valve 37a connect the main oil return inlet T of oil circuit controll block S1 together.Relief valve 37a, 37b is contained on two of oil circuit controll block body 42a, six last one-way valve 41b that one-way valve 41a is contained in oil circuit controll block body 42a are contained on the four sides of oil circuit controll block body 42a, the B mouth of proportional reversing valve 32a also connects the A mouth of one-way valve 41b, the A mouth of relief valve 37b, the B mouth of one-way valve 41b, the B mouth of relief valve 37b connects the main oil return inlet T of oil circuit controll block S1 together, the A of shuttle valve 35a, the B mouth is connected on the A of proportional reversing valve 32a respectively, the B mouth, the C mouth of shuttle valve 35a meets the control port K1 of oil circuit controll block body 42a, control port K2, the C mouth of shuttle valve 35a connects the A mouth of relief valve 36a, and the B mouth of relief valve 36a connects the main oil return inlet T of oil circuit controll block S1.Relief valve 36a is contained on the four sides of oil circuit controll block body 42a, shuttle valve 35a is contained on two of oil circuit controll block body 42a, pressure transducer 38a connects the A mouth of proportional reversing valve 32a, pressure transducer 38a is contained on five of oil circuit controll block body 42a, and pressure measuring tie-in 39a, pressure measuring tie-in 39b, pressure measuring tie-in 39c, pressure measuring tie-in 39d meet the A, B mouth, the C mouth of shuttle valve 35a, the A mouth of cartridge valve 22a of proportional reversing valve 32a respectively.

The structure function of other two groups of oil circuit controll block S2, S3 is identical with above-mentioned oil circuit controll block S1's.

Shown in Fig. 5 a, 5c, 7, this comprises pressure regulation block body t, precursor overflow valve 21d for the pressure regulation piece 16 of grate cooler Hydraulic Power Transmission System is faced, plan view.Wherein precursor overflow valve 21d be contained in pressure regulation block body t above, there is oil inlet P 1 back of pressure regulation block body t, the oil inlet P 1 of pressure regulation block body t links to each other with the oil outlet Z of load sensitive pump 46d by high-pressure rubber pipe 17d, below the pressure regulation block body t oil inlet P 2 is arranged, the oil inlet P 2 of pressure regulation block body t is by one-way valve 15, steel pipe e links to each other with standby pressure oil pipe p, the left surface of pressure regulation block body t has oil return inlet T, the main oil return inlet T of pressure regulation block body t links to each other with main return tube b by steel pipe e, the B mouth of precursor overflow valve 21d connects the main oil return inlet T of pressure regulation block body t, and the oil inlet P 2 of pressure regulation block body t connects the A mouth of precursor overflow valve 21d.One-way valve 15 is to prevent that high pressure oil from reacting on load sensitive pump 46d when the power failure machine, and the effect of precursor overflow valve 21d is the safety valve of load sensitive pump.

See also shown in Figure 8, this is the pump motor group of grate cooler Hydraulic Power Transmission System, it comprises motor 43a-d, coupling 45a-d, sleeve flange 44a-d, load sensitive pump 46a-d, wherein the transmission shaft of load sensitive pump 46a-d links to each other with the axle of motor 43a-d by coupling 45a-d, load sensitive pump 46a-d fixes by sleeve flange 44a-d and motor 43a-d, the inlet port Q of load sensitive pump 46a-d is by compensator 12a-d, butterfly valve 11a-d oil suction from main fuel sucking pipe a, the oil outlet Z of load sensitive pump 46a-d is by high-pressure rubber pipe 17a-d and oil circuit controll block S1-3, the oil inlet P 1 of pressure regulation piece 16 links to each other, the control port N of load sensitive pump 46a-c links to each other with the control port K1 of oil circuit controll block S1-3 by high-pressure rubber pipe 18a-c, the control port N of load sensitive pump 46d links to each other with standby control oil pipe c by high-pressure rubber pipe 18d, and the drain tap W of load sensitive pump 46a-d links to each other with main drain mast i by high-pressure rubber pipe 19a-d.

As shown in Figure 9, this is the oil hydraulic cylinder F of grate cooler Hydraulic Power Transmission System, and its structure is that two ends earrings band joint shaft bearing j is connected with external equipment, and two ends connect the single piston rod cylinder of cylinder body for flange L.Having rod chamber in the chamber of oil hydraulic cylinder F is that y1 and rodless cavity are y2.The rod chamber y1 of oil hydraulic cylinder F links to each other with B mouth on the oil circuit controll block, and the rodless cavity y2 of oil hydraulic cylinder F links to each other with A mouth on the oil circuit controll block.Rodless cavity is y2 and the cavity area ratio of rod chamber y1 is 1.46.

As shown in figure 10, this is the electrical control cabinet G of grate cooler Hydraulic Power Transmission System, comprise electric control cubicle 47, PIC48, power supply 49, touch screen 50, relay group 51, near switch 52, circuit breaker 53, power supply 49 is a touch screen 50, relay group 51, near switch 52, PIC47 provides power supply, wherein near switch 52, liquid level relay 4 is by lead f and relay group 51, relay group 51 links to each other with PLC48 by lead f, PLC48 is by lead f and touch screen 50, PLC48 is by lead f and proportional reversing valve 32a-c simultaneously, pressure transducer 38a-c, thermal resistor 3 links to each other, the power lead f that comes in the outside links to each other with circuit breaker 53, circuit breaker 53 links to each other with power supply 49 by lead f, and power supply 49 is by lead f and PLC48, touch screen 50, relay group 51, link to each other near switch 52; Circuit breaker 53 is above power supply, power supply 49 is on the left side of PLC48, relay group 51 is below power supply 49, PLC48, touch screen 50 leans in the middle of the cabinet front of electric control cubicle 47, PLC48, power supply 49, relay group 51 are contained in the position of close oil hydraulic cylinder F in the inside of electric control cubicle 47 near switch 52; Near switch 52 are the limit signals that are used for gathering oil hydraulic cylinder F, and circuit breaker 53 is for the hydraulic system electric part provides safety protection, promptly when voltage, disconnecting circuit when electric current is excessive.

The working principle of present embodiment as shown in Figure 1, C is that circulation cold filtration system, D are that fuel tank, E are that pump valve control station, F are that oil hydraulic cylinder, G are electrical control cabinet.Wherein:

The circulation cold filtration C of system working principle is that screw pump group 23 is by the oil back region h oil suction of compensator 12e butterfly valve 11e from fuel tank D, the effect of butterfly valve 11e is that maintenance the time is torn screw pump group 23 open and can be shut the oil that prevents fuel tank D and flow out, the effect of compensator 12e, compensator 24 is to isolate focus, and the pressure oil of screw pump group 23 outputs is realized the cold filtration to fluid through compensator 24, cooler 28, safety check 31, filter 7 oil sump tanks.One-way valve 27 is made back pressure valve and is made, and effect is when filter is stifled, the protection that pressure oil is crossed cooler 28 from one-way valve 27.Pressure meter switch 25, pressure gauge 26 are the pressure that is used for observing 23 outlets of screw pump group.The effect of the circulation cold filtration C of system is the hydraulic oil that the cooling cleaning is provided for system.

The working principle of fuel tank D is that its inside is divided into oil suction district x and oil back region h, for abundant cold filtration provides condition.Guarantee that through duplex filter 2 fuel tank D are not subjected to outside contamination during main return tube b oil sump tank D.Liquid level relay 4 is when the liquid level in the fuel tank D is low, reports to the police and points out to operator.Thermal resistor 3 is in order to detect the temperature of fuel tank D, control heater and cooler work simultaneously.Air filter 1 is in order to guarantee the cleaning in the fuel tank D.The effect of ball valve 6a, 6b is blowdown.The effect of fuel tank D is stores hydraulic pressure oil and detection hydraulic oil.

The main fuel sucking pipe a of pump valve control station E is by compensator 34, butterfly valve 33 oil suction from fuel tank B, working principle with pump motor group g1 is an example, the load sensitive pump 46a of pump motor group g1 passes through compensator 12a, butterfly valve 11a from main fuel sucking pipe a oil suction, the oil outlet Z of load sensitive pump 46a outwards export high pressure oil through high-pressure rubber pipe 17a, cartridge valve 22a to proportional reversing valve 32a, electrical control cabinet E control, passing ratio selector valve 32a controls oil hydraulic cylinder again.Shuttle valve 35a effect is the A mouth of compared proportions selector valve 32a, the pressure of B mouth; getting higher pressure oil controls pump through the control port N that high-pressure rubber pipe 18b meets load sensitive pump 46a; precursor overflow valve 21a is that responsive to load pump 46a plays safety protection; relief valve 36a is the safety valve of responsive to load device protection; relief valve 37a, relief valve 37b, one-way valve 41a, one-way valve 41b effect are to prevent excessive safety protection of suffered load of oil hydraulic cylinder F moment; pressure transducer 38a is used for the A mouth pressure of detection ratio selector valve 32a, and effect is a pre-alarm doing pressure.Stop valve 13a, stop valve 14a, stop valve 20a are used for the cut-in stand-by pump, stop valve 14a is in opening state under the normal condition, stop valve 13a, stop valve 20a are in closed condition, close stop valve 14a when standby, open stop valve 13a, stop valve 20a; Other two groups of working principle pump motor group g2, g3 are identical therewith.

Pump motor group g4 is standby; the inlet port Q of pump motor group g4 is by compensator 12d; butterfly valve 11d links to each other with group fuel sucking pipe a; the oil outlet Z of pump motor group g4 links to each other with the filler opening p1 of pressure regulation piece 16 by high-pressure rubber pipe 17d; 16 effects of pressure regulation piece are safety protections of responsive to load pump 46d; the Maximum operating pressure of the responsive pump 46d of control load; the control port N of pump motor group g4 links to each other with standby control valve c by high-pressure rubber pipe 18d; the drain tap W of pump motor group g4 is by high-pressure rubber pipe 19d; rapid pipe joint 29d links to each other with main drain mast i; the main oil return inlet T of pressure regulation piece 16 connects on the main return tube b; the filler opening p2 of pressure regulation piece 16 connects the A mouth of one-way valve 15; the B mouth of one-way valve 15 connects on the standby pressure pipe p; the effect of one-way valve 15 is to prevent that the high pressure oil refluence from reacting on load sensitive pump 46d; when for example pump motor group g1 needs are standby; stop valve 13a; stop valve 14a opens; stop valve 20a closes; the effect that stop valve 13a opens is by high-pressure rubber pipe 18d the control port of load sensitive pump 46d; the control port K2 of standby control valve c and oil circuit controll block S1 connects; the control oil of fetching by shuttle valve 35a can the responsive pump 46d of control load like this; the effect that stop valve 14a opens is by high-pressure rubber pipe 17d the oil outlet of load sensitive pump 46d; the oil inlet P 2 of standby pressure pipe p and oil circuit controll block S1 is connected; the high pressure oil of load sensitive pump 46d output can offer oil circuit controll block S1 work like this, starts stand by pump group of motors g4 at last and gets final product.Stop valve 20a-c is an opening state under the normal condition, and stop valve 13a-c, stop valve 14a-c are closed condition, needs that standby group corresponding stop valve to do corresponding the switching; The effect of pump valve control station E is control oil hydraulic cylinder F, and the high pressure oil of need of work is provided for oil hydraulic cylinder F.

The rod chamber y1 of oil hydraulic cylinder F links to each other with the B mouth of oil circuit controll block by high-pressure rubber pipe d, steel pipe e, the rodless cavity y2 of oil hydraulic cylinder F links to each other with the A mouth of oil circuit controll block by high-pressure rubber pipe d, steel pipe e, the A mouth of oil circuit controll block is with regard to oil return when the B of oil circuit controll block mouth output high pressure oil, just withdrawal of the piston rod of oil hydraulic cylinder F like this, the B mouth of oil circuit controll block is with regard to oil return when the A of oil circuit controll block mouth output high pressure oil, the piston rod of oil hydraulic cylinder F just stretches out like this, and the A of its oil circuit controll block, whose output high pressure oil of B mouth are that the passing ratio selector valve switches.

The control principle of electrical control cabinet G is that touch screen 50 is by PIC48 control ratio selector valve, be whole control flow for according to technological requirement by the people for programming, set the parameter of PLC, PLC exports the speed that the openings of sizes of corresponding current signal control ratio selector valve is come regulator solution cylinder pressure F according to the parameter of setting, gather oil hydraulic cylinder F near switch 52 and whether move the position that arrives requirement, when the in-position, give PLC near switch output electrical signal, PLC is according to the SC sigmal control commutation near switch 52, while is according to the actual motion speed of the Time Calculation oil hydraulic cylinder F of the double signal that collects near switch 52, actual velocity and setting speed are compared the size of the current signal of adjusting PLC control ratio selector valve, thereby realize electric closed loop control, and come the control ratio selector valve to realize steadily commutation by the waveform of program control current signal

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art, in not breaking away from the technical solutions of the utility model scope, when the method that can utilize above-mentioned announcement and technology contents are made a little change or be modified to the equivalent embodiment of equivalent variations, but every content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.

Claims (9)

1, a kind of Grate cooler hydraulic transmission equipment of a transmission that is used to comb, it is characterized in that its transmission drives the hydraulic transmission of the high pressure oil that load sensitive pump provides for AC motor, comprise circulation cold filtration system (C), fuel tank (D), pump valve control station (E), oil hydraulic cylinder (F), electric control system (G), the inlet port of the cold filtration system that wherein circulates (C) links to each other with the oil back region (h) of fuel tank (D) by compensator (12e), butterfly valve (11e), and the oil outlet of circulation cold filtration system (C) links to each other with the oil suction district (x) of fuel tank (D) by safety check (31); The main fuel sucking pipe (a) of pump valve control station (E) links to each other with the oil suction district (x) of fuel tank (D) by compensator (34), butterfly valve (33), and the main return tube (b) of pump valve control station (E), main drain mast (I) link to each other with the oil back region (h) of fuel tank (D); Oil hydraulic cylinder (F) links to each other with pump valve control station (E) by high-pressure rubber pipe (d), steel pipe (e); Electric control system (G) links to each other with circulation cold filtration system (C), fuel tank (D), pump valve control station (E), oil hydraulic cylinder (F) by lead (f).

2, according to the described Grate cooler hydraulic transmission equipment of claim 1, it is characterized in that described circulation cold filtration system (C) comprises screw pump group (23), compensator (24), pressure meter switch (25), pressure gauge (26), one-way valve (27), cooler (28), ball valve (30a), ball valve (30b), wherein the inlet port of screw pump group (23) is by compensator (12e), butterfly valve (11e) links to each other with fuel tank (D) oil back region (h), the oil outlet of screw pump group (23) links to each other with the filler opening of cooler (28) by compensator (24), the oil outlet of cooler (28) links to each other with the oil suction district (x) of fuel tank (D) by safety check (31), the filler opening of one-way valve (27) is connected on cooler (28) filler opening, the oil outlet of one-way valve (27) is connected on the oil outlet of cooler (28), pressure gauge (26) is connected on the filler opening of cooler (28) by pressure meter switch (25), ball valve (30a) back connects on the water intake of cooler (28), and ball valve (30b) connects on the water outlet of cooler (28).

3, according to the described Grate cooler hydraulic transmission equipment of claim 1, it is characterized in that described fuel tank (D) comprises air filter (1), duplex filter (2), thermal resistor (3), liquid level relay (4), liquid level liquid thermometer (5), ball valve (6a), ball valve (6b), filter (7), heater (8a), heater (8b), heater (8c), one-way valve (9), fuel tank body (10), air filter (1) wherein, liquid level relay (4), filter (7), one-way valve (9) is contained in the top, oil suction district (x) of fuel tank body (10), filter (7) links to each other with circulation cold filtration system (C) by safety check (31), one-way valve (9) is contained in the import of filter (7), the top that duplex filter (2) is contained in the oil back region (h) of fuel tank body (10) links to each other with main return tube (b), thermal resistor (3) is contained in middle part, fuel tank body (10) side, heater (8a), heater (8b), heater (8c) is contained in the side bottom of fuel tank body (10), liquid level liquid thermometer (5) is contained in fuel tank body (10) top, side, ball valve (6a) is contained in the bottom, oil suction district (h) of fuel tank body (10), and ball valve (6b) is contained in the bottom, oil back region (x) of fuel tank body (10).

4, Grate cooler hydraulic transmission equipment according to claim 1, it is characterized in that described pump valve control station (E) comprises main fuel sucking pipe (a), main return tube (b), standby control valve (c), main drain mast (I), standby pressure pipe (p), pump motor group (g 1), pump motor group (g2), a pump motor group (g3) and a stand by pump group of motors (g4), oil circuit controll block (S1), oil circuit controll block (S2), oil circuit controll block (S3), butterfly valve (11a), butterfly valve (11b), butterfly valve (11c), butterfly valve (11d), compensator (12a), compensator (12b), compensator (12c), compensator (12d), stop valve (13a), stop valve (13b), stop valve (13c), stop valve (14a), stop valve (14b), stop valve (14c), one-way valve (15), pressure regulation piece (16), high-pressure rubber pipe (17a), high-pressure rubber pipe (17b), high-pressure rubber pipe (17c), high-pressure rubber pipe (17d), high-pressure rubber pipe (18a), high-pressure rubber pipe (18b), high-pressure rubber pipe (18c), high-pressure rubber pipe (18d), high-pressure rubber pipe (19a), high-pressure rubber pipe (19b), high-pressure rubber pipe (19c), high-pressure rubber pipe (19d), stop valve (20a), stop valve (20b), stop valve (20c), rapid pipe joint (29a), rapid pipe joint (29b), rapid pipe joint (29c), rapid pipe joint (29d), wherein pump motor group (g4) is standby being contained in from fuel tank (D) that group farthest, the inlet port (Q) of pump motor group (g4) is by compensator (12d), butterfly valve (11d) links to each other with group fuel sucking pipe (a), the oil outlet (Z) of pump motor group (g4) links to each other with the filler opening (P1) of pressure regulation piece (16) by high-pressure rubber pipe (17d), the control port (N) of pump motor group (g4) links to each other with standby control valve (c) by high-pressure rubber pipe (18d), the drain tap (W) of pump motor group (g4) is by high-pressure rubber pipe (19d), the main drain mast of rapid pipe joint (29d) (I) links to each other, the return opening (T) of pressure regulation piece (16) connects on the main return tube (b), the filler opening (P2) of pressure regulation piece (16) connects the A mouth of one-way valve (15), and the B mouth of one-way valve (15) connects on the standby pressure pipe (p);

Other three groups of pump motor groups (g1), (g2), (g3) independent respectively and three groups of oil circuit controll blocks (S1), (S2), (S3) supporting one-tenth structure, identical three groups of function, wherein first group of structure is as follows: pump motor group (g1) is contained in be nearest one group away from fuel tank, the inlet port (Q) of pump motor group (g1) is by compensator (12a), butterfly valve (11a) links to each other with main fuel sucking pipe (a), the control port (N) of pump motor group (g1) is by high-pressure rubber pipe (18a), stop valve (20a) links to each other with the control port (K1) of oil circuit controll block (S1), the oil outlet (Z) of pump motor group (g1) links to each other with the filler opening (P1) of oil circuit controll block (S1) by high-pressure rubber pipe (17a), the drain tap (W) of pump motor group (g1) is by high-pressure rubber pipe (19a), rapid pipe joint (29a) links to each other with main drain mast (i), the control port of oil circuit controll block (S1) (K 2) links to each other with standby control valve (c) by stop valve (13a), the filler opening (P2) of oil circuit controll block (S1) links to each other with standby pressure pipe (p) by stop valve (14a), three groups of oil circuit controll blocks (S1), (S2), (S3), be contained in three groups of pump motor groups (g1) respectively, (g2), (g3) front upper place, main fuel sucking pipe (a) is contained in four groups of pump motor groups (g1), (g2), (g3), (g4) front lower place, main drain mast (I), main return tube (b), standby pressure pipe (p), standby control valve (c) is contained in four groups of pump motor groups (g1), (g2), (g3), (g4) front upper place, pressure regulation piece (16) are contained in pump motor group (g4) top.

5, Grate cooler hydraulic transmission equipment according to claim 4, it is characterized in that described oil circuit controll block S1 comprises precursor overflow valve (21a), cartridge valve (22a), proportional reversing valve (32a), shuttle valve (35a), relief valve (36a), relief valve (37a), relief valve (37b), pressure transducer (38a), pressure measuring tie-in (39a), pressure measuring tie-in (39b), pressure measuring tie-in (39c), pressure measuring tie-in (39d), pressure gauge (40a), pressure gauge (40b), one-way valve (41a), one-way valve (41b), oil circuit controll block body (42a), wherein the filler opening (P1) of oil circuit controll block body (42a) communicates with the A mouth of cartridge valve (22a), cartridge valve (22a) is contained on two of oil circuit controll block body (42a), the B mouth one tunnel of cartridge valve (22a) connects the A mouth of precursor overflow valve (21a), the B mouth of precursor overflow valve (21a) connects the main return opening (T) of oil circuit controll block (S1), the filler opening (P2) of oil circuit controll block (S1) connects the A mouth of precursor overflow valve (21a), precursor overflow valve (21a) is contained on three of oil circuit controll block body (42a), another road of B mouth of cartridge valve (22a) connects proportional reversing valve filler opening (m), proportional reversing valve (32a) is contained on five of oil circuit controll block body (42a), the main return opening (T) that connects oil circuit controll block (S1) of proportional reversing valve return opening (n), the A mouth of proportional reversing valve (32a) also connects the A mouth of one-way valve (41a), the A mouth of relief valve (37a), the B mouth of one-way valve (41a), the B mouth of relief valve (37a) connects the main return opening (T) of oil circuit controll block (S1) together, relief valve (37a), (37b) be contained on two of oil circuit controll block body (42a), one-way valve (41a) is contained on six of oil circuit controll block body (42a), one-way valve (41b) is contained on the four sides of oil circuit controll block body (42a), the B mouth of proportional reversing valve (32a) also connects the A mouth of one-way valve (41b), the A mouth of relief valve (37b), the B mouth of one-way valve (41b), the B mouth of relief valve (37b) connects the main return opening (T) of oil circuit controll block (S1) together, the A of proportional reversing valve (32a), the B mouth is received the A of oil circuit controll block (S 1) respectively, the B mouth, the A of oil circuit controll block (S1), the B mouth, the rod chamber of oil hydraulic cylinder F (y1), rodless cavity (y2); The A of shuttle valve (35a), the B mouth is connected on the A of proportional reversing valve (32a) respectively, the B mouth, the C mouth of shuttle valve (35a) connects the control port (K1) of oil circuit controll block body (42a), with control hydraulic fluid port (K2), the C mouth of shuttle valve (35a) connects the A mouth of relief valve (36a), the B mouth of relief valve (36a) connects the main return opening (T) of oil circuit controll block (S1), relief valve (36a) is contained on the four sides of oil circuit controll block body (42a), shuttle valve (35a) is contained on two of oil circuit controll block body (42a), pressure transducer (38a) connects the A mouth of proportional reversing valve (32a), pressure transducer (38a) is contained on five of oil circuit controll block body (42a), pressure measuring tie-in (39a), pressure measuring tie-in (39b), pressure measuring tie-in (39c), pressure measuring tie-in (39d) meets the A of proportional reversing valve (32a) respectively, the B mouth, the C mouth of shuttle valve (35a), the A mouth of cartridge valve (22a), pressure gauge (40a), pressure gauge (40b) can detect the pressure of each pressure-measuring point arbitrarily, and pressure gauge (40a) and pressure gauge (40b) are contained on the support; The structure function of other two groups of oil circuit controll block S2, oil circuit controll block (S3) is identical with top described oil circuit controll block (S1).

6, a kind of Grate cooler hydraulic transmission equipment according to claim 4, it is characterized in that described pressure regulation piece (16) comprises pressure regulation block body (t), precursor overflow valve (21d), wherein precursor overflow valve (21d) be contained in pressure regulation block body (t) above, there is filler opening (P1) back of pressure regulation block body (t), the oil outlet (Z) of the filler opening (P1) of pressure regulation block body (t) by high-pressure rubber pipe (17d) and load sensitive pump (46d) with link to each other, filler opening (P2) is arranged below the pressure regulation block body (t), the filler opening (P2) of pressure regulation block body (t) reacts on the one-way valve (15) of load sensitive pump (46d) when the power failure machine by preventing high pressure oil, steel pipe (e) links to each other with standby pressure oil pipe (p), the left surface of pressure regulation block body (t) has main return opening (T), the main return opening (T) of pressure regulation block body (t) links to each other with main return tube (b) by steel pipe (e), the B mouth of precursor overflow valve (21d) connects the main return opening (T) of pressure regulation block body (t), the filler opening (P2) of pressure regulation block body (t) connects the A mouth of precursor overflow valve (21d), and precursor overflow valve (21d) effect is the safety valve of load sensitive pump (46d).

7, a kind of Grate cooler hydraulic transmission equipment according to claim 4, it is characterized in that described pump motor group (g1) comprises motor (43a), sleeve flange (44a), coupling (45a), load sensitive pump (46a), wherein the transmission shaft of load sensitive pump (46a) links to each other with the axle of motor (43a) by coupling (45a), load sensitive pump (46a) is fixing by sleeve flange (44a) and motor (43a), the inlet port (Q) of load sensitive pump (46a) is by compensator (12a), butterfly valve (11a) oil suction from main fuel sucking pipe (a), the oil outlet (Z) of load sensitive pump (46a) links to each other with the filler opening (P1) of oil circuit controll block (S1) by high-pressure rubber pipe (17a), the control port (N) of load sensitive pump (46a) links to each other with the control port (K1) of oil circuit controll block (S1) by high-pressure rubber pipe (18a), the drain tap (W) of load sensitive pump (46a) links to each other with main drain mast (i) by high-pressure rubber pipe (19a), when pump motor group (g1) needs when standby stop valve (13a), stop valve (14a) is opened, stop valve (20a) is closed, start stand by pump group of motors (g 4), stop valve under the normal condition (20a-c) all is an opening state, stop valve (13a-c), stop valve (14a-c) is a closed condition, needs that standby group corresponding stop valve to do corresponding the switching; Other two groups of pump motor groups (g2), (g3) are identical with the structure function of above-mentioned pump motor group g1;

The inlet port (Q) of the load sensitive pump (46d) in the wherein said pump motor group (g4) is by compensator (12d), butterfly valve (11d) links to each other with group fuel sucking pipe (a), the oil outlet (Z) of load sensitive pump (46d) links to each other with the filler opening (P1) of pressure regulation piece (16) by high-pressure rubber pipe (17d), the control port (N) of load sensitive pump (46d) links to each other with standby control valve (c) by high-pressure rubber pipe (18d), the drain tap (W) of load sensitive pump (46d) is by high-pressure rubber pipe (19d), rapid pipe joint (29d) links to each other with main drain mast (i), and other 26S Proteasome Structure and Function of pump motor group (g4) is with pump motor group (g1).

8, a kind of Grate cooler hydraulic transmission equipment according to claim 1, it is characterized in that described oil hydraulic cylinder (F), its structure is that two ends earrings band joint shaft bearings (j) are connected with external equipment, the cylinder body two ends are that flange (L) connects, rod chamber (y1) and rodless cavity (y2) are arranged in the chamber of oil hydraulic cylinder (F), the rodless cavity (y2) of oil hydraulic cylinder (F) and the cavity area of rod chamber (y1) are than the single piston rod cylinder that is 1.46, the rod chamber (y1) of oil hydraulic cylinder (F) links to each other with the B mouth on the oil circuit controll block, and the rodless cavity y2 of oil hydraulic cylinder F links to each other with A mouth on the oil circuit controll block.

9, Grate cooler hydraulic transmission equipment according to claim 1, it is characterized in that described electric control system (G) comprises electric control cubicle (47), PIC (48), power supply (49), touch screen (50), relay group (51), near switch (52), circuit breaker (53), power supply (49) is touch screen (50), relay group (51), near switch (52), PIC (48) provides power supply, wherein near switch (52), liquid level relay (4) is connected with relay group (51) by lead (f), relay group (51) links to each other with PLC (48) by lead (f), PLC (48) is by lead (f) and touch screen (50), PLC (48) is by lead (f) and proportional reversing valve (32a-c) simultaneously, pressure transducer (38a-c), thermal resistor (3) links to each other, the power lead of coming in the outside (f) links to each other with circuit breaker (53), circuit breaker (53) links to each other with power supply (49) by lead (f), and power supply (49) is by lead (f) and PLC (48), touch screen (50), relay group (51), link to each other near switch (52); Circuit breaker (53) is above power supply, power supply (49) is on the left side of PLC (48), relay group (51) is below power supply (49), PLC (48), touch screen (50) leans on last in the middle of the cabinet front of electric control cubicle (47), PLC (48), power supply (49), relay group (51) are contained in the position of close oil hydraulic cylinder F in the inside of electric control cubicle (47) near switch (52).

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