CN102518616A - Hydraulic cartridge valve group control system for concrete pump truck - Google Patents
Hydraulic cartridge valve group control system for concrete pump truck Download PDFInfo
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- CN102518616A CN102518616A CN2012100084101A CN201210008410A CN102518616A CN 102518616 A CN102518616 A CN 102518616A CN 2012100084101 A CN2012100084101 A CN 2012100084101A CN 201210008410 A CN201210008410 A CN 201210008410A CN 102518616 A CN102518616 A CN 102518616A
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Abstract
The invention relates to a hydraulic cartridge valve group control system for a concrete pump truck, in particular to engineering machinery equipment of a cartridge valve group control system for the concrete pump truck. According to the hydraulic cartridge valve group control system, a No.2 one-way valve is communicated with a No.6 dynamic valve and a No.7 dynamic valve respectively; a No.2 two-position four-way solenoid is communicated with a No.5 dynamic valve, a No.6 dynamic valve, a No.7 dynamic valve and a No.8 dynamic valve respectively; a No.3 two-position four-way solenoid is communicated with a liquid dynamic valve, a No.1 distribution cylinder pilot valve control port and a No.2 distribution cylinder pilot valve control port respectively; a No.1 two-position four-way solenoid is communicated with a distribution cylinder piston cavity and a distribution cylinder rod cavity respectively; a No.2 electromagnetic cartridge pressure valve is communicated with a No.1 dynamic valve and a No.4 dynamic valve respectively; and the No.4 dynamic valve is communicated with a master cylinder piston cavity. The invention has the advantages that: the hydraulic cartridge valve group control system has a simple and compact structure, a small shape and volume and a high integration level, works stably and reliably without leakage, and is widely applied to high flow engineering machinery hydraulic control system equipment of the concrete pump truck.
Description
Technical field
The present invention relates to a kind of concrete mixer hydraulic cartridge valve set control system, particularly concrete mixer cartridge valve set control system engineering mechanical device.
Background technique
At present, what used selector valve majority adopted in the engineering machinery concrete mixer is that valve core of the spool valve adds the structure of casting valve body, owing to receive the influence of system pressure and body strength restriction, 15 millimeters latus rectums of its latus rectum maximum application to two; Energy consumption is high, and external form is bulky, and it is bigger to take up room; While control section complex structure, rate of fault is high, leaks serious; Action is unstable, impacts greatly, and maintenance is inconvenient.
Summary of the invention
The object of the invention provides a kind of concrete mixer hydraulic cartridge valve set control system, and it is to adopt cartridge valve to combine with the integrated hydraulic control system of dynamic valve; Execution hydraulic system mechanism in the control concrete mixer, it is high to solve the pressure loss, and energy consumption is high; Complex structure, rate of fault is high, leaks serious; Action is unstable, impacts greatly, and it is bigger to take up room; The problem that maintenance is inconvenient is implemented in particularly concrete mixer cartridge valve group high-volume hydraulic control system field application aims of engineering machinery.
Concrete mixer hydraulic cartridge valve set control system of the present invention takes following technological scheme to realize: it is integrated by two-position four-way solenoid valve, electromagnetism plug-in mounting pressure valve, decompression cartridge valve, dynamic valve, one-way valve and hydraulic operated valve; Filler opening is communicated with number one electromagnetism plug-in mounting pressure valve, No. second electromagnetism plug-in mounting pressure valve, decompression cartridge valve respectively; Return opening is communicated with number one electromagnetism plug-in mounting pressure valve, No. second electromagnetism plug-in mounting pressure valve, No. second dynamic valve, No. three dynamic valve, No. five dynamic valve, No. eight dynamic valve, number one two-position four-way solenoid valve, hydraulic operated valve, decompression cartridge valve respectively; The decompression cartridge valve is communicated with No. second one-way valve, and No. second one-way valve is communicated with No. second accumulator interface, and No. second one-way valve is communicated with the number one one-way valve; No. second one-way valve is communicated with No. six dynamic valve; No. second one-way valve is communicated with No. seven dynamic valve, and the number one one-way valve is communicated with the number one accumulator, and No. five dynamic valve is communicated with No. second two-position four-way solenoid valve; No. six dynamic valve is communicated with No. second two-position four-way solenoid valve; No. seven dynamic valve is communicated with No. second two-position four-way solenoid valve, and No. eight dynamic valve is communicated with No. second two-position four-way solenoid valve, and No. six dynamic valve is communicated with distributing cylinder bar chamber; No. seven dynamic valve is communicated with distributing cylinder plug chamber; No. three two-position four-way solenoid valve is communicated with hydraulic operated valve, and No. three two-position four-way solenoid valve is communicated with number one distribution cylinder pilot valve control mouth, and No. three two-position four-way solenoid valve distributes cylinder pilot valve control mouth to be communicated with No. second; Hydraulic operated valve is communicated with number one accumulator mouth; The number one two-position four-way solenoid valve is communicated with distributing cylinder plug chamber, and the number one two-position four-way solenoid valve is communicated with distributing cylinder bar chamber, and No. second electromagnetism plug-in mounting pressure valve is communicated with the dynamic valve of number one; No. second electromagnetism plug-in mounting pressure valve is communicated with No. four dynamic valve; The dynamic valve of number one is communicated with master cylinder bar chamber, and No. four dynamic valve is communicated with master cylinder plug chamber, is implemented in the particularly effect of concrete mixer cartridge valve group high-volume hydraulic control system of engineering machinery.During work; When number one electromagnetism plug-in mounting pressure valve dead electricity; The pressure oil of filler opening is through the entering return opening of number one electromagnetism plug-in mounting pressure valve; When number one electromagnetism plug-in mounting pressure valve gets electricly, pressure oil gets into the dynamic valve of number one and No. four dynamic valve through No. second electromagnetism plug-in mounting pressure valve, and pressure oil gets into No. second accumulator interface through decompression cartridge valve and No. second one-way valve simultaneously; Pressure oil gets into number one accumulator interface through the number one one-way valve, and pressure oil gets into No. six dynamic valve and No. seven dynamic valve; When No. three solenoid directional control valve dead electricity; When number one distributes mouthful no pressure of cylinder pilot valve control; Hydraulic operated valve is failure to actuate, and pressure oil gets into No. second solenoid directional control valve through number one accumulator interface, gets into No. five dynamic valve, No. six dynamic valve, No. seven dynamic valve and No. eight dynamic valve respectively; No. six dynamic valve and No. eight dynamic valve are closed; No. five dynamic valve and No. seven dynamic valve are opened, and pressure oil gets into and distributes cylinder plug chamber, distribute the pressure oil in the cylinder bar chamber to get into oil return through No. five dynamic valve; When No. three solenoid directional control valve gets when electric; Distribute for No. second cylinder pilot valve control mouth that pressure is arranged; The hydraulic operated valve action, pressure oil gets into No. second solenoid directional control valve through number one accumulator interface, and gets into No. five dynamic valve, No. six dynamic valve, No. seven dynamic valve and No. eight dynamic valve respectively; No. five dynamic valve and No. seven dynamic valve are closed; No. six dynamic valve and No. eight dynamic valve are opened, and pressure oil gets into and distributes cylinder bar chamber, distribute the pressure oil in the cylinder plug chamber to get into oil return through No. eight dynamic valve; In distributing cylinder bar chamber, pressure oil is arranged; During number one solenoid directional control valve dead electricity; Distribute the pressure oil in the cylinder bar chamber to get into the dynamic valve of number one, No. second dynamic valve, No. three dynamic valve and No. four dynamic valve through the number one solenoid directional control valve; The dynamic valve of number one and No. three dynamic valve are closed, and No. second dynamic valve and No. four dynamic valve are opened, and pressure oil gets into master cylinder plug chamber; When the number one solenoid directional control valve gets when electric; Distribute the pressure oil in the cylinder bar chamber to get into the dynamic valve of number one, No. second dynamic valve, No. three dynamic valve and No. four dynamic valve through the number one solenoid directional control valve; No. second dynamic valve and No. four dynamic valve are closed; The dynamic valve of number one and No. three dynamic valve are opened, and pressure oil gets into master cylinder bar chamber; In distributing cylinder plug chamber, pressure oil is arranged; During number one solenoid directional control valve dead electricity; Distribute the pressure oil in the cylinder plug chamber to get into the dynamic valve of number one, No. second dynamic valve, No. three dynamic valve and No. four dynamic valve through the number one solenoid directional control valve; No. second dynamic valve and No. four dynamic valve are closed, and the dynamic valve of number one and No. three dynamic valve are opened, and pressure oil gets into master cylinder bar chamber; When the number one solenoid directional control valve gets when electric; Distribute the pressure oil in the cylinder plug chamber to get into the dynamic valve of number one, No. second dynamic valve, No. three dynamic valve and No. four dynamic valve through the number one solenoid directional control valve; The dynamic valve of number one and No. three dynamic valve are closed; No. second dynamic valve and No. four dynamic valve are opened, and pressure oil gets into master cylinder plug chamber, is implemented in particularly concrete mixer cartridge valve group high-volume hydraulic control system of engineering machinery.
The effect of concrete mixer hydraulic cartridge valve set control system of the present invention is simple and compact for structure, adopts cartridge valve and dynamic valve, and the external form volume is little; Control accurately easyly, working stability is reliable, does not have and reveals; Have high efficiency and energy efficient; Reduce equipment manufacturing cost, level of integration is high, is widely used on the big traffic engineering machinery hydraulic pressure control system equipment of concrete mixer.
Description of drawings
Concrete mixer hydraulic cartridge valve set control system of the present invention will combine accompanying drawing to describe in further detail.
Fig. 1 is the hydraulic structure schematic representation of concrete mixer hydraulic cartridge valve set control system of the present invention.
1 - Inlet? 2 - oil return port? 3 - FIRST Cartridge No. electromagnetic pressure valve? 4 - Cartridge No. electromagnetic pressure valve? 5 - No. dynamic valve 6 - No. dynamic valve ? 7 - master cylinder rod chamber? 8 - master cylinder piston chamber? 9 - Third Dynamic valve? 10 - Fourth Dynamic valve 11 - No. two-way solenoid valve? 12 - Fifth dynamic valve 13 - No. 6 dynamic valve? 14 - II two-way solenoid valve 15 - hydraulic valve? 16 - Third two-way solenoid valve (17) - the first number assigned cylinder pilot valve control port? 18 - Section the 2nd pilot valve control distribution cylinder port 19 - distribution cylinder rod chamber? 20 - Seventh dynamic valve? 21 - distribution cylinder piston chamber? 22 - No. accumulator Interface? 23 - No. accumulator Interface? 24 - No. check valve? 25 - Eighth Dynamic valve? 26 - II-return valve? 27 - pressure cartridge valves.
Embodiment
With reference to Fig. 1; Concrete mixer hydraulic cartridge valve set control system of the present invention, it is by two-position four-way solenoid valve, electromagnetism plug-in mounting pressure valve, decompression cartridge valve, dynamically valve, one-way valve and hydraulic operated valve are integrated, filler opening 1 is communicated with number one electromagnetism plug-in mounting pressure valve 3, No. second electromagnetism plug-in mounting pressure valve 4, decompression cartridge valve 27 respectively; Return opening 2 is communicated with number one electromagnetism plug-in mounting pressure valve 3, No. second electromagnetism plug-in mounting pressure valve 4, No. second dynamic valve 6, No. three dynamic valve 9, No. five dynamic valve 12, No. eight dynamic valve 25, number one two-position four-way solenoid valve 11, hydraulic operated valve 15, decompression cartridge valve 27 respectively; Decompression cartridge valve 27 is communicated with No. second one-way valve 26, and No. second one-way valve 26 is communicated with No. second accumulator interface 23, and No. second one-way valve 26 is communicated with number one one-way valve 24; No. second one-way valve 26 is communicated with No. six dynamic valve 13; No. second one-way valve 26 is communicated with No. seven dynamic valve 20, and number one one-way valve 24 is communicated with number one accumulator 22, and No. five dynamic valve 12 is communicated with No. second two-position four-way solenoid valve 14; No. six dynamic valve 13 is communicated with No. second two-position four-way solenoid valve 14; No. seven dynamic valve 20 is communicated with No. second two-position four-way solenoid valve 14, and No. eight dynamic valve 25 is communicated with No. second two-position four-way solenoid valve 14, and No. six dynamic valve 13 is communicated with distributing cylinder bar chamber 19; No. seven dynamic valve 20 is communicated with distributing cylinder plug chamber 21; No. three two-position four-way solenoid valve 16 is communicated with hydraulic operated valve 15, and No. three two-position four-way solenoid valve 16 is communicated with number one distribution cylinder pilot valve control mouth 17, and No. three two-position four-way solenoid valve 16 distributes cylinder pilot valve control mouth 18 to be communicated with No. second; Hydraulic operated valve 15 is communicated with number one accumulator mouth 22; Number one two-position four-way solenoid valve 11 is communicated with distributing cylinder plug chamber 21, and number one two-position four-way solenoid valve 11 is communicated with distributing cylinder bar chamber 19, and No. second electromagnetism plug-in mounting pressure valve 4 is communicated with the dynamic valve 5 of number one; No. second electromagnetism plug-in mounting pressure valve 4 is communicated with No. four dynamic valve 10; The dynamic valve 5 of number one is communicated with master cylinder bar chamber 7, and No. four dynamic valve 10 is communicated with master cylinder plug chamber 8, is implemented in the particularly effect of concrete mixer cartridge valve group high-volume hydraulic control system of engineering machinery.
The embodiment of concrete mixer hydraulic cartridge valve set control system of the present invention; It is integrated by two-position four-way solenoid valve, electromagnetism plug-in mounting pressure valve, decompression cartridge valve, dynamic valve, one-way valve and hydraulic operated valve; During work; When number one electromagnetism plug-in mounting pressure valve 3 dead electricity, the pressure oil of filler opening 1 is through the entering return opening 2 of number one electromagnetism plug-in mounting pressure valve 3, when number one electromagnetism plug-in mounting pressure valve 3 gets; Pressure oil gets into the dynamic valve 5 of number one and No. four dynamic valve 10 through No. second electromagnetism plug-in mounting pressure valve 4; Pressure oil gets into No. second accumulator interface 23 through decompression cartridge valve 27 and No. second one-way valve 26 simultaneously, and pressure oil gets into number one accumulator interface 22 through number one one-way valve 24, and pressure oil gets into No. six dynamic valve 13 and No. seven dynamic valve 20; When No. three solenoid directional control valve 16 dead electricity; When number one distributes the no pressure of cylinder pilot valve control mouthfuls 17; Hydraulic operated valve 15 is failure to actuate, and pressure oil gets into No. second solenoid directional control valve 14 through number one accumulator interface 22, gets into the dynamic valve of No. five dynamic valve 12, No. six 13, No. seven dynamic valve 20 and No. eight dynamic valve 25 respectively; No. six dynamic valve 13 and No. eight dynamic valve 25 are closed; No. five dynamic valve 12 and No. seven dynamic valve 20 are opened, and pressure oil gets into and distributes cylinder plug chamber 21, distribute the pressure oil in the cylinder bar chamber 19 to get into oil return through No. five dynamic valve 12; When No. three solenoid directional control valve 16 when electric; Distribute for No. second cylinder pilot valve control mouth 18 that pressure is arranged; Hydraulic operated valve 15 action, pressure oil gets into No. second solenoid directional control valve 14 through number one accumulator interface 22, and gets into the dynamic valve of No. five dynamic valve 12, No. six 13, No. seven dynamic valve 20 and No. eight dynamic valve 25 respectively; No. five dynamic valve 13 and No. seven dynamic valve 25 are closed; No. six dynamic valve 12 and No. eight dynamic valve 20 are opened, and pressure oil gets into and distributes cylinder bar chamber 19, distribute the pressure oil in the cylinder plug chamber 21 to get into oil return through No. eight dynamic valve 20; In distributing cylinder bar chamber 19, pressure oil is arranged; During number one solenoid directional control valve 11 dead electricity; Distribute the pressure oil in the cylinder bar chamber 19 to get into the dynamic valve of the dynamic valve of number ones 5, No. second 6, No. three dynamic valve 9 and No. four dynamic valve 10 through number one solenoid directional control valve 11; The dynamic valve 5 of number one and No. three dynamic valve 9 are closed, and No. second dynamic valve 6 and No. four dynamic valve 10 are opened, and pressure oil gets into master cylinder plug chamber 8; When number one solenoid directional control valve 11 when electric; Distribute the pressure oil in the cylinder bar chamber 19 to get into the dynamic valve of the dynamic valve of number ones 5, No. second 6, No. three dynamic valve 9 and No. four dynamic valve 10 through number one solenoid directional control valve 11; No. second dynamic valve 6 and No. four dynamic valve 10 are closed; The dynamic valve 5 of number one and No. three dynamic valve 9 are opened, and pressure oil gets into master cylinder bar chamber 7; In distributing cylinder plug chamber 21, pressure oil is arranged; During number one solenoid directional control valve 11 dead electricity; Distribute the pressure oil in the cylinder plug chamber 21 to get into the dynamic valve of the dynamic valve of number ones 5, No. second 6, No. three dynamic valve 9 and No. four dynamic valve 10 through number one solenoid directional control valve 11; No. second dynamic valve 6 and No. four dynamic valve 10 are closed, and the dynamic valve 5 of number one and No. three dynamic valve 9 are opened, and pressure oil gets into master cylinder bar chamber 7; When number one solenoid directional control valve 11 when electric; Distribute the pressure oil in the cylinder plug chamber 21 to get into the dynamic valve of the dynamic valve of number ones 5, No. second 6, No. three dynamic valve 9 and No. four dynamic valve 10 through number one solenoid directional control valve 11; The dynamic valve 5 of number one and No. three dynamic valve 9 are closed; No. second dynamic valve 6 and No. four dynamic valve 10 are opened, and pressure oil gets into master cylinder plug chamber 8, is implemented in particularly concrete mixer cartridge valve group high-volume hydraulic control system of engineering machinery.
Claims (1)
1. concrete mixer hydraulic cartridge valve set control system; It is integrated by two-position four-way solenoid valve, electromagnetism plug-in mounting pressure valve, decompression cartridge valve, dynamic valve, one-way valve and hydraulic operated valve; It is characterized in that filler opening (1) is communicated with number one electromagnetism plug-in mounting pressure valve (3), No. second electromagnetism plug-in mounting pressure valve (4), decompression cartridge valve (27) respectively; Return opening (2) is communicated with number one electromagnetism plug-in mounting pressure valve (3), No. second electromagnetism plug-in mounting pressure valve (4), No. second dynamic valve (6), No. three dynamic valve (9), No. five dynamic valve (12), No. eight dynamic valve (25), number one two-position four-way solenoid valve (11), hydraulic operated valve (15), decompression cartridge valve (27) respectively; Decompression cartridge valve (27) is communicated with No. second one-way valve (26); No. second one-way valve (26) is communicated with No. second accumulator interface (23); No. second one-way valve (26) is communicated with number one one-way valve (24); No. second one-way valve (26) is communicated with No. six dynamic valve (13), and No. second one-way valve (26) is communicated with No. seven dynamic valve (20), and number one one-way valve (24) is communicated with number one accumulator (22); No. five dynamic valve (12) is communicated with No. second two-position four-way solenoid valve (14); No. six dynamic valve (13) is communicated with No. second two-position four-way solenoid valve (14), and No. seven dynamic valve (20) is communicated with No. second two-position four-way solenoid valve (14), and No. eight dynamic valve (25) is communicated with No. second two-position four-way solenoid valve (14); No. six dynamic valve (13) is communicated with distributing cylinder bar chamber (19); No. seven dynamic valve (20) is communicated with distributing cylinder plug chamber (21), and No. three two-position four-way solenoid valve (16) is communicated with hydraulic operated valve (15), and No. three two-position four-way solenoid valve (16) distributes cylinder pilot valve control mouthful (17) to be communicated with number one; No. three two-position four-way solenoid valve (16) distributes cylinder pilot valve control mouthful (18) to be communicated with No. second; Hydraulic operated valve (15) is communicated with number one accumulator mouth (22), and number one two-position four-way solenoid valve (11) is communicated with distributing cylinder plug chamber (21), and number one two-position four-way solenoid valve (11) is communicated with distributing cylinder bar chamber (19); No. second electromagnetism plug-in mounting pressure valve (4) is communicated with the dynamic valve of number one (5); No. second electromagnetism plug-in mounting pressure valve (4) is communicated with No. four dynamic valve (10), and the dynamic valve of number one (5) is communicated with master cylinder bar chamber (7), and No. four dynamic valve (10) is communicated with master cylinder plug chamber (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100084101A CN102518616A (en) | 2012-01-12 | 2012-01-12 | Hydraulic cartridge valve group control system for concrete pump truck |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100084101A CN102518616A (en) | 2012-01-12 | 2012-01-12 | Hydraulic cartridge valve group control system for concrete pump truck |
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| CN102518616A true CN102518616A (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100084101A Pending CN102518616A (en) | 2012-01-12 | 2012-01-12 | Hydraulic cartridge valve group control system for concrete pump truck |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791318A (en) * | 2015-05-05 | 2015-07-22 | 东营蒙德金马机车有限公司 | Braking and reversing integrated valve assembly |
| CN111156211A (en) * | 2019-12-24 | 2020-05-15 | 江苏理工学院 | Large-scale hydraulic press movable cross beam plunger type leveling hydraulic system |
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| US3543516A (en) * | 1969-05-19 | 1970-12-01 | Deere & Co | Automatically shiftable direction control valve |
| DE2849653A1 (en) * | 1978-11-16 | 1980-05-22 | Rexroth Gmbh G L | Hydraulic drive precision control system - has two=way valves controlling direction and throttle valves regulating flow rate |
| CN201137604Y (en) * | 2007-12-06 | 2008-10-22 | 山东泰丰液压设备有限公司 | Cotton press hydraulic controlling valve group |
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| CN202418074U (en) * | 2012-01-12 | 2012-09-05 | 山东泰丰液压股份有限公司 | Hydraulic cartridge valve group control device for concrete pump truck |
-
2012
- 2012-01-12 CN CN2012100084101A patent/CN102518616A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3543516A (en) * | 1969-05-19 | 1970-12-01 | Deere & Co | Automatically shiftable direction control valve |
| DE2849653A1 (en) * | 1978-11-16 | 1980-05-22 | Rexroth Gmbh G L | Hydraulic drive precision control system - has two=way valves controlling direction and throttle valves regulating flow rate |
| CN201137604Y (en) * | 2007-12-06 | 2008-10-22 | 山东泰丰液压设备有限公司 | Cotton press hydraulic controlling valve group |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791318A (en) * | 2015-05-05 | 2015-07-22 | 东营蒙德金马机车有限公司 | Braking and reversing integrated valve assembly |
| CN111156211A (en) * | 2019-12-24 | 2020-05-15 | 江苏理工学院 | Large-scale hydraulic press movable cross beam plunger type leveling hydraulic system |
| CN111156211B (en) * | 2019-12-24 | 2021-12-21 | 江苏理工学院 | Large-scale hydraulic press movable cross beam plunger type leveling hydraulic system |
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Application publication date: 20120627 |