CN101592172A - The electrically-controlled multifunctional compact type control valve group - Google Patents
The electrically-controlled multifunctional compact type control valve group Download PDFInfo
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- CN101592172A CN101592172A CNA2009101000277A CN200910100027A CN101592172A CN 101592172 A CN101592172 A CN 101592172A CN A2009101000277 A CNA2009101000277 A CN A2009101000277A CN 200910100027 A CN200910100027 A CN 200910100027A CN 101592172 A CN101592172 A CN 101592172A
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Abstract
The invention discloses the electrically-controlled multifunctional compact type control valve group, comprise the valve block body, this valve block body right-hand component is provided with oil supply system, and left-hand component is provided with control system; Be shaped on five inlet openings on the valve block body, oil supply system disposes five output controls mouthful, and these five output control mouths all with the corresponding connection of five inlet openings difference; Be shaped on nine working holes on the valve block body, and working hole is supporting by the inner flow passage and the inlet opening of valve block body through solenoid valve, one-way valve; Adopt the electrohydraulic integration structural design, by the oil circuit in combinaing valve body and the valve body with solenoid valve and each hydraulic element Highgrade integration, the control route of original complexity is oversimplified, have that volume is little, runner short, simple in structure, advantage that automaticity is high, applied widely, be convenient to installation and maintenance again.
Description
Technical field
The present invention relates to the technical field of hydrovalve, particularly a kind of electrically-controlled multifunctional compact type control valve group.
Background technique
At present, the multi-way valve control system of getting on the bus domestic a lot of hydraulic mobile crane adopts forms the control valve group with each control valve by pipeline connecting mode, cause control system bulky, the installation and maintenance difficulty, though automaticity is low. on domestic minority hydraulic mobile crane and the external hydraulic mobile crane, the combined control valve of getting on the bus also adopts integrated mode each control valve to be combined complex structure, bulky, cost an arm and a leg.As the patent No. is that the Chinese invention patent " electrically-controlled multifunctional compact type control valve group " (notification number is CN2859044Y) of ZL200520034867.5 is exactly this type of design; The invention discloses a kind of electrically-controlled multifunctional compact type control valve group, hydraulic element such as its height integrated security valve, pressure relay, accumulator, oil purifier, a plurality of one-way valve, shuttle valve and solenoid directional control valve, by handling solenoid directional control valve the control oil of proportional pilot valve need be assigned to each the guide's control port of multi-way valve of getting on the bus by control, thereby realize handling the pilot valve pressure oil output logic control multi-way valve of getting on the bus.
Summary of the invention
Technical problem to be solved by this invention is the present situation at prior art, provide a kind of to simple in structure, automaticity is high, volume is little and system requirements is low uses wide electrically-controlled multifunctional compact type control valve group.
The present invention solves the problems of the technologies described above the technological scheme that is adopted: the electrically-controlled multifunctional compact type control valve group, comprise the valve block body, and be shaped on pump inlet, return opening on this valve block body; Valve block body right-hand component is provided with oil supply system, and left-hand component is provided with and inlet opening, the supporting control system of working hole; Oil supply system comprises first solenoid valve, the relief valve of installing and being in parallel with the sealing of valve block body, this first solenoid valve, relief valve outlet end in parallel all communicate with return opening, and this first solenoid valve, relief valve entrance point in parallel are communicated with filter, and the import of this filter communicates with pump inlet; The relief valve entrance point also is communicated with oil outlet, and this oil outlet is formulated on the valve block body; Be shaped on five inlet openings on the valve block body, it is respectively first inlet opening, second inlet opening, the 3rd inlet opening, the 4th inlet opening and the 5th inlet opening, correspondingly, oil supply system disposes five output controls mouthful, and these five output control mouths all with first inlet opening, second inlet opening, the 3rd inlet opening, the 4th inlet opening and the corresponding connection of the 5th inlet opening difference; Control system comprises second solenoid valve, the 3rd solenoid valve, the 4th solenoid valve and the 5th solenoid valve of installing with the sealing of valve block body, and the oil return port of this second solenoid valve, the 3rd solenoid valve, the 4th solenoid valve and the 5th solenoid valve all is communicated with return opening; Be shaped on nine working holes on the valve block body, it is respectively first working hole, second working hole, the 3rd working hole, the 4th working hole, the 5th working hole, the 6th working hole, the 7th working hole, the 8th working hole and the 9th working hole; First inlet opening and first working hole connect, and are communicated with the second solenoid valve oil inlet end through first one-way valve; The 5th solenoid valve also is communicated with respectively with second working hole, the 3rd working hole, second inlet opening, and second working hole is communicated with the second solenoid valve oil inlet end through second one-way valve, and the 3rd working hole is communicated with the 4th solenoid valve oil inlet end through the 3rd one-way valve; The 3rd working hole also is communicated with input one end of first shuttle valve, and the input of this first shuttle valve end in addition is communicated with the 6th working hole, and the output terminal of this first shuttle valve is communicated with the 4th working hole; The 3rd solenoid valve also is communicated with respectively with the 5th working hole, the 6th working hole, the 3rd inlet opening, and the 5th working hole is communicated with the second solenoid valve oil inlet end through the 5th one-way valve; The 4th inlet opening and the 8th working hole connect, and are communicated with the 4th solenoid valve oil inlet end through the 4th one-way valve; The 8th working hole also is communicated with input one end of second shuttle valve, and the input of this second shuttle valve end in addition is communicated with the 9th working hole, and the output terminal of this second shuttle valve is communicated with the 8th working hole; The 9th working hole and the 5th inlet opening connect, and are communicated with the second solenoid valve oil inlet end through the 6th one-way valve.
The measure of taking also comprises:
Above-mentioned second solenoid valve, the 4th solenoid valve are the bi-bit bi-pass structure; Above-mentioned the 3rd solenoid valve, the 5th solenoid valve are the two-position four-way structure, and the 3rd solenoid valve, the 5th solenoid valve all are shaped on oil return port, pressure port, two output ports; The pressure port of the 5th above-mentioned solenoid valve is communicated with second inlet opening, one output port is communicated with above-mentioned second working hole, another output port is communicated with above-mentioned the 3rd working hole, correspondingly, the pressure port of the 3rd above-mentioned solenoid valve is communicated with the 3rd inlet opening, one output port is communicated with above-mentioned the 5th working hole, and another output port is communicated with above-mentioned the 6th working hole.
Above-mentioned oil supply system also includes accumulator, and this accumulator is communicated with above-mentioned oil outlet; Also be provided with the pressure tap of connection on the above-mentioned oil outlet; Above-mentioned valve block body is included as first valve body, second valve body, the 3rd valve body, the 4th valve body of sealing pairing, and makes up through the bolt close-fitting; And above-mentioned pump inlet, return opening, oil outlet, pressure tap, first solenoid valve, relief valve and filter are all supporting with first valve body; Above-mentioned pump inlet, return opening, pressure tap are arranged on the same side of first valve body, and correspondingly, above-mentioned oil outlet is arranged on this another side, first valve body opposite.
Be positioned at the first inner flow passage hole and the second inner flow passage hole that the filter outlet end is shaped on two bifurcateds in the first above-mentioned valve body, this second inner flow passage hole is communicated with above-mentioned return opening, and correspondingly, the first above-mentioned inner flow passage hole is communicated with the relief valve entrance point; And all be fitted with damping body in the first inner flow passage hole and the second inner flow passage hole.
The first above-mentioned inlet opening, second inlet opening, first working hole, second working hole, the 3rd working hole, the 4th solenoid valve, the 5th solenoid valve, first one-way valve, second one-way valve and the 3rd one-way valve are all supporting with the 4th valve body.
The 4th above-mentioned working hole, the 8th working hole and first shuttle valve, second shuttle valve are all supporting with the 3rd valve body; This first shuttle valve and second shuttle valve all cooperate with above-mentioned the 3rd valve body plug-in mounting, and have identical structure; The first above-mentioned shuttle valve, second shuttle valve have included steel ball seat, first steel ball, shuttle valve body and and cap.
The 5th above-mentioned working hole, the 6th working hole, the 7th working hole, the 9th working hole, the 3rd inlet opening, the 4th inlet opening, the 5th inlet opening and the 4th one-way valve, the 5th one-way valve, the 6th one-way valve are all supporting with second valve body; The 5th above-mentioned working hole is communicated with pressure relay, and this pressure relay is also installed with second valve body.
The first above-mentioned one-way valve, second one-way valve, the 3rd one-way valve all cooperate with above-mentioned the 4th valve body plug-in mounting, correspondingly, the 4th above-mentioned one-way valve, the 5th one-way valve and the 6th one-way valve all cooperate with the second valve body plug-in mounting, and first one-way valve, second one-way valve, the 3rd one-way valve, the 4th one-way valve, the 5th one-way valve and the 6th one-way valve have identical structure, and its composition has second steel ball, spring and plug screw.
Compared with prior art, valve block body right-hand component of the present invention is provided with oil supply system, and left-hand component is provided with and inlet opening, the supporting control system of working hole; Oil supply system comprises first solenoid valve, the relief valve of installing and being in parallel with the sealing of valve block body, this first solenoid valve, relief valve outlet end in parallel all communicate with return opening, and this first solenoid valve, relief valve entrance point in parallel are communicated with filter, and the import of this filter communicates with pump inlet; The relief valve entrance point also is communicated with oil outlet, and this oil outlet is formulated on the valve block body; Be shaped on five inlet openings on the valve block body, it is respectively first inlet opening, second inlet opening, the 3rd inlet opening, the 4th inlet opening and the 5th inlet opening, correspondingly, oil supply system disposes five output controls mouthful, and these five output control mouths all with first inlet opening, second inlet opening, the 3rd inlet opening, the 4th inlet opening and the corresponding connection of the 5th inlet opening difference; Control system comprises second solenoid valve, the 3rd solenoid valve, the 4th solenoid valve and the 5th solenoid valve of installing with the sealing of valve block body, and the oil return port of this second solenoid valve, the 3rd solenoid valve, the 4th solenoid valve and the 5th solenoid valve all is communicated with return opening; Be shaped on nine working holes on the valve block body, it is respectively first working hole, second working hole, the 3rd working hole, the 4th working hole, the 5th working hole, the 6th working hole, the 7th working hole, the 8th working hole and the 9th working hole; First inlet opening and first working hole connect, and are communicated with the second solenoid valve oil inlet end through first one-way valve; The 5th solenoid valve also is communicated with respectively with second working hole, the 3rd working hole, second inlet opening, and second working hole is communicated with the second solenoid valve oil inlet end through second one-way valve, and the 3rd working hole is communicated with the 4th solenoid valve oil inlet end through the 3rd one-way valve; The 3rd working hole also is communicated with input one end of first shuttle valve, and the input of this first shuttle valve end in addition is communicated with the 6th working hole, and the output terminal of this first shuttle valve is communicated with the 4th working hole; The 3rd solenoid valve also is communicated with respectively with the 5th working hole, the 6th working hole, the 3rd inlet opening, and the 5th working hole is communicated with the second solenoid valve oil inlet end through the 5th one-way valve; The 4th inlet opening and the 8th working hole connect, and are communicated with the 4th solenoid valve oil inlet end through the 4th one-way valve; The 8th working hole also is communicated with input one end of second shuttle valve, and the input of this second shuttle valve end in addition is communicated with the 9th working hole, and the output terminal of this second shuttle valve is communicated with the 8th working hole; The 9th working hole and the 5th inlet opening connect, and are communicated with the second solenoid valve oil inlet end through the 6th one-way valve.The invention has the advantages that: adopt the electrohydraulic integration structural design, by the oil circuit in combinaing valve body and the valve body with solenoid valve and each hydraulic element Highgrade integration, the control route of original complexity is oversimplified, have that volume is little, runner short, simple in structure, advantage that automaticity is high, applied widely, be convenient to installation and maintenance again.
Description of drawings
Fig. 1 is the hydraulic schematic diagram of the embodiment of the invention;
Fig. 2 is the plan view of the embodiment of the invention;
Fig. 3 is the plan view of Fig. 2;
Fig. 4 is the sectional view of A-A direction among Fig. 2;
Fig. 5 is the sectional view of B-B direction among Fig. 2.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
To shown in Figure 5, figure grade is described as follows: 31, the second inner flow passage holes 32, first valve body, 3, the first inner flow passage holes as Fig. 1, damping body 33, the second valve bodies 6, the three valve bodies 7, the four valve bodies 8, steel ball seat 9, the first steel balls 10, shuttle valve body 11, and cap 12, second steel ball 13, spring 14, plug screw 15, the first inlet opening A1, the second inlet opening A2, the 3rd inlet opening A3, the 4th inlet opening A4, the 5th inlet opening A5, the first working hole B1, the second working hole B2, the 3rd working hole B3, the 4th working hole B4, the 5th working hole B5, the 6th working hole B6, the 7th working hole B7, the 8th working hole B8, the 9th working hole B9, oil outlet C, the first one-way valve DF1, the second one-way valve DF2, the 3rd one-way valve DF3, four one-way valve DF4, the 5th one-way valve DF5, the 6th one-way valve DF6, pressure relay J1, filter L, pressure tap M, accumulator N, pump inlet P, relief valve Q, the first shuttle valve SF1, the second shuttle valve SF2, oil return inlet T, the first solenoid valve Y1, the second solenoid valve Y2, the 3rd solenoid valve Y3, the 4th solenoid valve Y4, the 5th solenoid valve Y5.
The embodiment of the invention, the electrically-controlled multifunctional compact type control valve group comprises the valve block body, is shaped on pump inlet P, oil return inlet T on this valve block body; Valve block body right-hand component is provided with oil supply system, and left-hand component is provided with and inlet opening, the supporting control system of working hole; Oil supply system comprises the first solenoid valve Y1, the relief valve Q that installs and be in parallel with the sealing of valve block body, this first solenoid valve Y1, relief valve Q outlet end in parallel all communicates with oil return inlet T, and this first solenoid valve Y1, relief valve Q entrance point in parallel is communicated with filter L, and the import of this filter L communicates with pump inlet P; Relief valve Q entrance point also is communicated with oil outlet C, and this oil outlet C is formulated on the valve block body; Be shaped on five inlet openings on the valve block body, it is respectively the first inlet opening A1, the second inlet opening A2, the 3rd inlet opening A3, the 4th inlet opening A4 and the 5th inlet opening A5, correspondingly, oil supply system disposes five output controls mouthful, and these five output control mouths all with the first inlet opening A1, the second inlet opening A2, the 3rd inlet opening A3, the 4th inlet opening A4 and the corresponding connection of the 5th inlet opening A5 difference; Control system comprises the second solenoid valve Y2, the 3rd solenoid valve Y3, the 4th solenoid valve Y4 and the 5th solenoid valve Y5 that installs with the sealing of valve block body, and the oil return port of this second solenoid valve Y2, the 3rd solenoid valve Y3, the 4th solenoid valve Y4 and the 5th solenoid valve Y5 all is communicated with oil return inlet T; Be shaped on nine working holes on the valve block body, it is respectively the first working hole B1, the second working hole B2, the 3rd working hole B3, the 4th working hole B4, the 5th working hole B5, the 6th working hole B6, the 7th working hole B7, the 8th working hole B8 and the 9th working hole B9; The first inlet opening A1 and the first working hole B1 connect, and are communicated with the second solenoid valve Y2 oil inlet end through the first one-way valve DF1; The 5th solenoid valve Y5 also is communicated with respectively with the second working hole B2, the 3rd working hole B3, the second inlet opening A2, and the second working hole B2 is communicated with the second solenoid valve Y2 oil inlet end through the second one-way valve DF2, and the 3rd working hole B3 is communicated with the 4th solenoid valve Y4 oil inlet end through the 3rd one-way valve DF3; The 3rd working hole B3 also is communicated with input one end of the first shuttle valve SF1, and the input of this first shuttle valve SF1 end in addition is communicated with the 6th working hole B6, and the output terminal of this first shuttle valve SF1 is communicated with the 4th working hole B4; The 3rd solenoid valve Y3 also is communicated with respectively with the 5th working hole B5, the 6th working hole B6, the 3rd inlet opening A3, and the 5th working hole B5 is communicated with the second solenoid valve Y2 oil inlet end through the 5th one-way valve DF5; The 4th inlet opening A4 and the 8th working hole B8 connect, and are communicated with the 4th solenoid valve Y4 oil inlet end through the 4th one-way valve DF4; The 8th working hole B8 also is communicated with input one end of the second shuttle valve SF2, and the input of this second shuttle valve SF2 end in addition is communicated with the 9th working hole B9, and the output terminal of this second shuttle valve SF2 is communicated with the 8th working hole B8; The 9th working hole B9 and the 5th inlet opening A5 connect, and are communicated with the second solenoid valve Y2 oil inlet end through the 6th one-way valve DF6.
Present embodiment is achieved in that the second solenoid valve Y2, the 4th solenoid valve Y4 are the bi-bit bi-pass structure; Described the 3rd solenoid valve Y3, the 5th solenoid valve Y5 are the two-position four-way structure, and the 3rd solenoid valve Y3, the 5th solenoid valve Y5 all are shaped on oil return port, pressure port, two output ports; The pressure port of the 5th solenoid valve Y5 is communicated with the second inlet opening A2, one output port is communicated with the second working hole B2, another output port is communicated with the 3rd working hole B3, correspondingly, the pressure port of the 3rd solenoid valve Y3 is communicated with the 3rd inlet opening A3, one output port is communicated with the 5th working hole B5, and another output port is communicated with the 6th working hole B6.
Oil supply system also includes accumulator N, and this accumulator N is communicated with oil outlet C; Also be provided with the pressure tap M of connection on the oil outlet C; The valve block body is included as first valve body 3, second valve body 6, the 3rd valve body 7, the 4th valve body 8 of sealing pairing, and makes up through the bolt close-fitting; And pump inlet P, oil return inlet T, oil outlet C, pressure tap M, the first solenoid valve Y1, relief valve Q and filter L are all supporting with first valve body 3; Pump inlet P, oil return inlet T, pressure tap M are arranged on the same side of first valve body 3, and correspondingly, oil outlet C is arranged on this another side, first valve body, 3 opposite.
Be positioned at the first inner flow passage hole 31 and the second inner flow passage hole 32 that filter L outlet end is shaped on two bifurcateds in first valve body 3, this second inner flow passage hole 32 is communicated with oil return inlet T, and correspondingly, the first inner flow passage hole 31 is communicated with relief valve Q entrance point; And all be fitted with damping body 33 in the first inner flow passage hole 31 and the second inner flow passage hole 32.The first inlet opening A1, the second inlet opening A2, the first working hole B1, the second working hole B2, the 3rd working hole B3, the 4th solenoid valve Y4, the 5th solenoid valve Y5, the first one-way valve DF1, the second one-way valve DF2 and the 3rd one-way valve DF3 are all supporting with the 4th valve body 8.The 4th working hole B4, the 8th working hole B8 and the first shuttle valve SF1, the second shuttle valve SF2 are all supporting with the 3rd valve body 7; This first shuttle valve SF1 and the second shuttle valve SF2 all cooperate with the 3rd valve body 7 plug-in mountings, and have identical structure; The first shuttle valve SF1, the second shuttle valve SF2 have included steel ball seat 9, first steel ball 10, shuttle valve body 11 and and cap 12.The 5th working hole B5, the 6th working hole B6, the 7th working hole B7, the 9th working hole B9, the 3rd inlet opening A3, the 4th inlet opening A4, the 5th inlet opening A5 and the 4th one-way valve DF4, the 5th one-way valve DF5, the 6th one-way valve DF6 are all supporting with second valve body 6; The 5th working hole B5 is communicated with pressure relay J1, and this pressure relay J1 also installs with second valve body 6.
The first one-way valve DF1, the second one-way valve DF2, the 3rd one-way valve DF3 all cooperate with the 4th valve body 8 plug-in mountings, correspondingly, the 4th one-way valve DF4, the 5th one-way valve DF5 and the 6th one-way valve DF6 all cooperate with second valve body, 6 plug-in mountings, and the first one-way valve DF1, the second one-way valve DF2, the 3rd one-way valve DF3, the 4th one-way valve DF4, the 5th one-way valve DF5 and the 6th one-way valve DF6 have identical structure, and its composition has second steel ball 13, spring 14 and plug screw 15.
As shown in Figure 1, the embodiment of the invention, comprise oil inlet P, filter L, safety valve Q, accumulator N, solenoid valve Y1, oil outlet C, pressure tap M, the oil supply system of adjustable off-load mouth and damping body 33 proportion of composing pilot valves, safety valve Q and solenoid valve Y1 are connected in parallel on first inner flow passage 31, all be connected with the oil return inlet T of combined control valve, safety valve Q off-load is to oil return inlet T during the pioneer pump superpressure, this combined control valve is provided with five inlet opening A1～A5 and nine working hole B1～B9, on the total left side of the multi-way valve of getting on the bus, right-hand rotation, luffing rises, fall, stretch, the arm that contracts, main, rising of secondary elevator, fall, totally 10 merit positions.
In embodiments of the present invention, the first inlet opening A1 falls to controlling mouth to strain amplitude; The second inlet opening A2 falls corresponding to secondary elevator and semi-girder control mouth; The 3rd inlet opening A3 is corresponding to secondary hoisting crane and the arm that contracts control mouth; The 4th inlet opening A4 falls the control mouth corresponding to master winch; The 5th inlet opening A5 plays the control mouth corresponding to master winch; The second working hole B2 is corresponding to the semi-girder working hole; The 3rd working hole B3 falls working hole corresponding to secondary elevator; The 4th working hole B4 is corresponding to HD control motor X mouth working hole; The 5th working hole B5 is corresponding to the arm working hole that contracts; The 6th working hole B6 is corresponding to secondary hoisting crane working hole; The 7th working hole B7 falls working hole corresponding to master winch; The 8th working hole B8 is corresponding to HD control motor X mouth working hole; The 9th working hole B9 is corresponding to the master file working hole of kicking up.
Two proportion pilot handles have 8 actuator ports, wherein left and right revolution and luffing rise 3 merit positions and are directly controlled by 3 actuator ports of guide's handle, proportion pilot handle 5 actuator ports in addition links to each other with 5 inlet opening A1～A5 of valve group respectively, and seven work actuator port B1, B2, B3, B5, B6, B7 and B9 of this valve group control respectively become that pair is fallen, semi-girder, secondary elevator fall, secondary hoisting crane, the arm that contracts, master winch falls and master file seven stations of kicking up, two actuator ports of B4, B8 are connected with control mouth secondary, the master winch motor respectively.Wherein A1 and B1 mouth, A4 and B7 mouth, A5 directly links to each other by oil circuit with the B9 mouth, B6 is connected with input hydraulic fluid port A3 with oil return inlet T by two position four-way solenoid valve Y3 respectively with the B5 mouth, B3 and B6, the oil circuit of B7 and B9 mouth is respectively by a shuttle valve SF1, the sensing oil circuit that SF2 links to each other links to each other, B3 links to each other with oil return inlet T with DF4 and 2/2-way solenoid valve Y2 by a supporting separately one-way valve DF3 respectively with the B7 mouth, B1, B2, B6 and B9 mouth are respectively by supporting separately DF1, DF2, DF5 links to each other with oil return inlet T with DF6 and 2/2-way solenoid valve Y2, pressure relay J1 is set, each continuous element on the runner of B5 mouth, each hydraulic fluid port, each element is connected by the oil circuit in the combinaing valve body with each hydraulic fluid port.
The working principle of the embodiment of the invention is: pioneer pump is bought oil and is entered oil inlet P, through filter L, accumulator N, flow out by damping body 33 again, enter proportion pilot handle filler opening, relief valve Q off-load is to oil return inlet T during the pioneer pump superpressure, because the discharge capacity that guide's oil pump is various number differs, in order to be applicable to all guide's oil pumps, offered an adjustable off-load runner at first inner flow passage 31 and second inner flow passage 32, by the size of adjusting off-load runner and the damping body 33 of oil outlet, can be implemented under the condition of any guide's oil pump and can both set up the needed pressure of proportion pilot handle. have 10 merit positions at multi-way valve, two proportion pilot handles have 8 actuator ports, wherein left, right-hand rotation and luffing rise 3 merit positions and are directly controlled by 3 actuator ports of guide's handle, proportion pilot handle 5 actuator ports in addition links to each other with 5 inlet openings of valve group respectively, get on the bus in addition 7 merit positions 7 actuator ports controls by this valve group respectively of multi-way valve, in real work, secondary elevator landing is not worked simultaneously with telescopic boom, so adopt the telescopic boom priority principle, therefore at the 3rd solenoid valve Y3, during the 5th solenoid valve Y5 no electric circuit, stretch, the arm actuator port work of contracting, secondary hoisting crane, falling actuator port does not work, as the 3rd solenoid valve Y3, commutation during the 5th solenoid valve Y5 energising, stretch, the arm actuator port that contracts is not worked, secondary hoisting crane, actuator port work is fallen; Wherein two actuator ports are major and minor hoist motor control port, by secondary hoisting crane, actuator port falls and master file is kicked up, fallen shuttle valve between the actuator port and transmits pressure signal and give secondary, master winch motor Control work hydraulic fluid port, thereby reach the purpose of control hoist motor; The 4th solenoid valve Y4 falls with master winch and falls actuator port by control secondary elevator by one-way valve, solenoid valve Y2 by one-way valve control become that pair is fallen, semi-girder, secondary hoisting crane, master file are kicked up actuator port, when the second solenoid valve Y2, the 4th solenoid valve Y4 cut off the power supply, actuator port is communicated with return opening by solenoid valve, can not work, like this potential safety hazard that can avoid operate miss to cause.The runner of arm actuator port of contracting is provided with pressure relay J1, and control sender bell sounding plays safety effect to remind operator and other people in the arm process that contracts.
As shown in Figures 2 and 3, this combinaing valve body is by four valve bodies 3,6,7,8 use bolt combination, the T mouth, the C mouth, the M mouth, accumulator N, oil inlet P and twin filter L in parallel, the first solenoid valve Y1, safety valve Q, damping body 33 and adjustable off-load mouth all are integrated on No. 3, first valve body, the irregular hydraulic element of external form are concentrated in together, structure is very compact, oil circuit is simple, B1, B2, B3, A1, A2 mouth and corresponding one-way valve and solenoid valve Y5, Y4 is arranged on the 4th valve body 8, B4, B8 and 2 shuttle valves are arranged on the 3rd valve body 7, B5, B6, B7, B9, A3, A4, A5 mouth and corresponding one-way valve, solenoid valve Y2, Y3 and pressure relay J1 are arranged on second valve body 6, while control valve P, T, the same side C mouth that the M mouth is arranged in first valve body 3 is opposite side over there then, each asphalt channel and auxiliary hole difficulty of processing are little in the split type valve body, adopt simple bore mode to machine easily, reduce valve volume, made small and exquisite being convenient to of external form make and keep in repair.
As shown in Figure 4 and Figure 5, each one-way valve and shuttle valve all adopt plug in construction; Steel ball seat 9, steel ball 10, shuttle valve body 11, and cap 12 is formed shuttle valve; Steel ball 13, spring 14, plug screw 15 is formed one-way valve, is plugged in respectively in the valve body, and other one-way valve, the shuttle valve of combined control valve all adopt this kind structure, solenoid valve adopts thread cartridge formula structure, the part height of each one-way valve, shuttle valve and solenoid valve integrates, and is simple in structure, low cost of manufacture.Each one-way valve, shuttle valve and solenoid valve all are arranged on again near each corresponding hydraulic fluid port, have so just reduced valve volume, have shortened runner, the maintenance of being more convenient for.
The invention has the advantages that: adopt the electrohydraulic integration structural design, by the oil circuit in combinaing valve body and the valve body with solenoid valve and each hydraulic element Highgrade integration, the control route of original complexity is oversimplified, have that volume is little, runner short, simple in structure, advantage that automaticity is high, applied widely, be convenient to installation and maintenance again.
Most preferred embodiment of the present invention is illustrated, and various variations or the remodeling made by those of ordinary skills can not depart from the scope of the present invention.
Claims (8)
1, electrically-controlled multifunctional compact type control valve group comprises the valve block body, is shaped on pump inlet (P), return opening (T) on this valve block body; It is characterized in that: described valve block body right-hand component is provided with oil supply system, and left-hand component is provided with and inlet opening, the supporting control system of working hole;
Described oil supply system comprises first solenoid valve (Y1), the relief valve (Q) of installing and being in parallel with the sealing of valve block body, this first solenoid valve (Y1), relief valve (Q) outlet end in parallel all communicate with described return opening (T), and this first solenoid valve (Y1), relief valve (Q) entrance point in parallel are communicated with filter (L), and the import of this filter (L) communicates with described pump inlet (P); Described relief valve (Q) entrance point also is communicated with oil outlet (C), and this oil outlet (C) is formulated on the described valve block body; Be shaped on five inlet openings on the described valve block body, it is respectively first inlet opening (A1), second inlet opening (A2), the 3rd inlet opening (A3), the 4th inlet opening (A4) and the 5th inlet opening (A5), correspondingly, described oil supply system disposes five output controls mouthful, and these five output control mouths all with described first inlet opening (A1), second inlet opening (A2), the 3rd inlet opening (A3), the corresponding connection of the 4th inlet opening (A4) and the 5th inlet opening (A5) difference;
Described control system comprises second solenoid valve (Y2), the 3rd solenoid valve (Y3), the 4th solenoid valve (Y4) and the 5th solenoid valve of installing with the sealing of valve block body (Y5), and the oil return port of this second solenoid valve (Y2), the 3rd solenoid valve (Y3), the 4th solenoid valve (Y4) and the 5th solenoid valve (Y5) all is communicated with described return opening (T);
Be shaped on nine working holes on the described valve block body, it is respectively first working hole (B1), second working hole (B2), the 3rd working hole (B3), the 4th working hole (B4), the 5th working hole (B5), the 6th working hole (B6), the 7th working hole (B7), the 8th working hole (B8) and the 9th working hole (B9);
Described first inlet opening (A1) connects with first working hole (B1), and is communicated with described second solenoid valve (Y2) oil inlet end through first one-way valve (DF1);
Described the 5th solenoid valve (Y5) also is communicated with respectively with second working hole (B2), the 3rd working hole (B3), second inlet opening (A2), and described second working hole (B2) is communicated with second solenoid valve (Y2) oil inlet end through second one-way valve (DF2), and described the 3rd working hole (B3) is communicated with described the 4th solenoid valve (Y4) oil inlet end through the 3rd one-way valve (DF3); Described the 3rd working hole (B3) also is communicated with input one end of first shuttle valve (SF1), the input of this first shuttle valve (SF1) end in addition is communicated with described the 6th working hole (B6), and the output terminal of this first shuttle valve (SF1) is communicated with described the 4th working hole (B4);
Described the 3rd solenoid valve (Y3) also is communicated with respectively with the 5th working hole (B5), the 6th working hole (B6), the 3rd inlet opening (A3), and described the 5th working hole (B5) is communicated with described second solenoid valve (Y2) oil inlet end through the 5th one-way valve (DF5);
Described the 4th inlet opening (A4) connects with the 8th working hole (B8), and is communicated with described the 4th solenoid valve (Y4) oil inlet end through the 4th one-way valve (DF4); Described the 8th working hole (B8) also is communicated with input one end of second shuttle valve (SF2), the input of this second shuttle valve (SF2) end in addition is communicated with described the 9th working hole (B9), and the output terminal of this second shuttle valve (SF2) is communicated with described the 8th working hole (B8); Described the 9th working hole (B9) connects with the 5th inlet opening (A5), and is communicated with described second solenoid valve (Y2) oil inlet end through the 6th one-way valve (DF6).
2, electrically-controlled multifunctional compact type control valve group according to claim 1 is characterized in that: described second solenoid valve (Y2), the 4th solenoid valve (Y4) are the bi-bit bi-pass structure; Described the 3rd solenoid valve (Y3), the 5th solenoid valve (Y5) are the two-position four-way structure, and the 3rd solenoid valve (Y3), the 5th solenoid valve (Y5) all are shaped on oil return port, pressure port, two output ports; The pressure port of described the 5th solenoid valve (Y5) is communicated with described second inlet opening (A2), one output port is communicated with described second working hole (B2), another output port is communicated with described the 3rd working hole (B3), correspondingly, the pressure port of described the 3rd solenoid valve (Y3) is communicated with described the 3rd inlet opening (A3), one output port is communicated with described the 5th working hole (B5), and another output port is communicated with described the 6th working hole (B6).
3, electrically-controlled multifunctional compact type control valve group according to claim 1 is characterized in that: described oil supply system also includes accumulator (N), and this accumulator (N) is communicated with described oil outlet (C); Also be provided with the pressure tap (M) of connection on the described oil outlet (C); Described valve block body is included as first valve body (3), second valve body (6), the 3rd valve body (7), the 4th valve body (8) of sealing pairing, and makes up through the bolt close-fitting; And described pump inlet (P), return opening (T), oil outlet (C), pressure tap (M), first solenoid valve (Y1), relief valve (Q) and filter (L) are all supporting with first valve body (3); Described pump inlet (P), return opening (T), pressure tap (M) are arranged on the same side of first valve body (3), and correspondingly, described oil outlet (C) is arranged on this first valve body (3) another side, opposite.
4, electrically-controlled multifunctional compact type control valve group according to claim 3, it is characterized in that: be positioned at the first inner flow passage hole (31) and the second inner flow passage hole (32) that filter (L) outlet end is shaped on two bifurcateds in described first valve body (3), this second inner flow passage hole (32) is communicated with described return opening (T), correspondingly, the described first inner flow passage hole (31) is communicated with relief valve (Q) entrance point; And all be fitted with damping body (33) in the described first inner flow passage hole (31) and the second inner flow passage hole (32).
5, electrically-controlled multifunctional compact type control valve group according to claim 3 is characterized in that: described first inlet opening (A1), second inlet opening (A2), first working hole (B1), second working hole (B2), the 3rd working hole (B3), the 4th solenoid valve (Y4), the 5th solenoid valve (Y5), first one-way valve (DF1), second one-way valve (DF2) and the 3rd one-way valve (DF3) are all supporting with the 4th valve body (8).
6, electrically-controlled multifunctional compact type control valve group according to claim 3 is characterized in that: described the 4th working hole (B4), the 8th working hole (B8) and first shuttle valve (SF1), second shuttle valve (SF2) are all supporting with the 3rd valve body (7); This first shuttle valve (SF1) and second shuttle valve (SF2) all cooperate with described the 3rd valve body (7) plug-in mounting, and have identical structure; Described first shuttle valve (SF1), second shuttle valve (SF2) have included steel ball seat (9), first steel ball (10), shuttle valve body (11) and and cap (12).
7, electrically-controlled multifunctional compact type control valve group according to claim 3 is characterized in that: described the 5th working hole (B5), the 6th working hole (B6), the 7th working hole (B7), the 9th working hole (B9), the 3rd inlet opening (A3), the 4th inlet opening (A4), the 5th inlet opening (A5) and the 4th one-way valve (DF4), the 5th one-way valve (DF5), the 6th one-way valve (DF6) are all supporting with second valve body (6); Described the 5th working hole (B5) is communicated with pressure relay (J1), and this pressure relay (J1) is also installed with described second valve body (6).
8, according to claim 5 or 7 described electrically-controlled multifunctional compact type control valve groups, it is characterized in that: described first one-way valve (DF1), second one-way valve (DF2), the 3rd one-way valve (DF3) all cooperates with described the 4th valve body (8) plug-in mounting, correspondingly, described the 4th one-way valve (DF4), the 5th one-way valve (DF5) and the 6th one-way valve (DF6) all cooperate with described second valve body (6) plug-in mounting, and described first one-way valve (DF1), second one-way valve (DF2), the 3rd one-way valve (DF3), the 4th one-way valve (DF4), the 5th one-way valve (DF5) has identical structure with the 6th one-way valve (DF6), and its composition has second steel ball (13), spring (14) and plug screw (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101000277A CN101592172A (en) | 2009-06-18 | 2009-06-18 | The electrically-controlled multifunctional compact type control valve group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101000277A CN101592172A (en) | 2009-06-18 | 2009-06-18 | The electrically-controlled multifunctional compact type control valve group |
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| Publication Number | Publication Date |
|---|---|
| CN101592172A true CN101592172A (en) | 2009-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009101000277A Pending CN101592172A (en) | 2009-06-18 | 2009-06-18 | The electrically-controlled multifunctional compact type control valve group |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434541A (en) * | 2011-10-11 | 2012-05-02 | 飞翼股份有限公司 | Confluence block used for filling industrial pump hydraulic pressure return line |
| CN104773152A (en) * | 2015-05-07 | 2015-07-15 | 苏州紫荆清远新能源汽车技术有限公司 | Vacuum power assisting device and electric automobile |
| CN106438543A (en) * | 2016-10-10 | 2017-02-22 | 合肥协力液压科技有限公司 | Electromagnetic cartridge valve |
| CN108488127A (en) * | 2018-04-29 | 2018-09-04 | 锦州力特液压科技有限公司 | The two position switching valve groups for all-hydraulic tunnel drilling rig executing agency |
| CN113800423A (en) * | 2021-09-23 | 2021-12-17 | 徐州阿马凯液压技术有限公司 | Integrated form hoist brake control module |
-
2009
- 2009-06-18 CN CNA2009101000277A patent/CN101592172A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434541A (en) * | 2011-10-11 | 2012-05-02 | 飞翼股份有限公司 | Confluence block used for filling industrial pump hydraulic pressure return line |
| CN102434541B (en) * | 2011-10-11 | 2014-04-30 | 飞翼股份有限公司 | Confluence block used for filling industrial pump hydraulic pressure return line |
| CN104773152A (en) * | 2015-05-07 | 2015-07-15 | 苏州紫荆清远新能源汽车技术有限公司 | Vacuum power assisting device and electric automobile |
| CN106438543A (en) * | 2016-10-10 | 2017-02-22 | 合肥协力液压科技有限公司 | Electromagnetic cartridge valve |
| CN106438543B (en) * | 2016-10-10 | 2018-03-20 | 合肥协力液压科技有限公司 | A kind of electromagnetic cartridge valve |
| CN108488127A (en) * | 2018-04-29 | 2018-09-04 | 锦州力特液压科技有限公司 | The two position switching valve groups for all-hydraulic tunnel drilling rig executing agency |
| CN108488127B (en) * | 2018-04-29 | 2023-11-14 | 锦州力特液压科技有限公司 | Two-position reversing valve group for actuating mechanism of full-hydraulic tunnel drilling machine |
| CN113800423A (en) * | 2021-09-23 | 2021-12-17 | 徐州阿马凯液压技术有限公司 | Integrated form hoist brake control module |
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Application publication date: 20091202 |