CN202545404U - Control device for high and low pressure switching hydraulic cartridge valve bank of concrete pump truck - Google Patents
Control device for high and low pressure switching hydraulic cartridge valve bank of concrete pump truck Download PDFInfo
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- CN202545404U CN202545404U CN2012201731299U CN201220173129U CN202545404U CN 202545404 U CN202545404 U CN 202545404U CN 2012201731299 U CN2012201731299 U CN 2012201731299U CN 201220173129 U CN201220173129 U CN 201220173129U CN 202545404 U CN202545404 U CN 202545404U
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Abstract
The utility model relates to a control device for a high and low pressure switching hydraulic cartridge valve bank of a concrete pump truck, in particular to control device engineering machinery equipment for a cartridge valve bank of a concrete pump truck. In the control device, a No.1 oil inlet is communicated with a No.2 three-way cartridge valve; a control oil port is communicated with an electromagnetic reversing valve; a No.1 three-way cartridge valve is communicated with the No.2 three-way cartridge valve, the electromagnetic reversing valve, a No.1 cartridge valve, a No.2 cartridge valve, a No.1 oil cylinder and a No.2 oil cylinder respectively; the No.2 three-way cartridge valve is communicated with the electromagnetic reversing valve, the No.1 cartridge valve, the No.2 cartridge valve, the No.1 oil cylinder and the No.2 oil cylinder respectively; and the electromagnetic reversing valve is communicated with the No.1 cartridge valve, the No.2 cartridge valve and an oil return port respectively. The control device has the effects of simple structure, convenience for operating, low cost, low energy consumption, compact structure, large drift diameter, avoidance of leakage, stable action, small impact and convenience for maintaining, and is widely applied to equipment of the high and low pressure switching hydraulic cartridge valve bank of a concrete pump truck for high-flow hydraulic control engineering machinery.
Description
Technical field
The utility model relates to a kind of concrete mixer high low pressure and switches hydraulic cartridge valve group control gear, particularly concrete mixer cartridge valve group control gear engineering mechanical device.
Background technique
At present, what high low pressure switched the employing of hydraulic pressure installation great majority in the engineering machinery concrete mixer is the structure of plate valve, owing to receive the influence of system pressure and body strength restriction, 15 millimeters latus rectums of its latus rectum maximum application to two; The structure that adopts cartridge valve is also arranged, and the structure more complicated causes energy consumption high, and external form is bulky; It is bigger to take up room, the control section complex structure, and rate of fault is high, leaks serious; Action is unstable, impacts greatly, and maintenance is inconvenient.
Summary of the invention
The purpose of the utility model; Provide a kind of concrete mixer high low pressure and switch hydraulic cartridge valve group control gear; It is to adopt the threeway cartridge valve to combine with the integrated hydraulic control gear of two-way plug-in valve; The device of the execution hydraulic mechanism in the control concrete mixer is implemented in the purpose that engineering machinery concrete mixer high low pressure switches cartridge valve group high-volume hydraulic control gear.
The utility model concrete mixer high low pressure switches hydraulic cartridge valve group control gear takes following technological scheme to realize: it is made up of two filler openings, solenoid directional control valve, two cartridge valves, two threeway cartridge valves and two oil cylinders, and the number one filler opening is communicated with No. second threeway cartridge valve, and No. second filler opening is communicated with number one threeway cartridge valve; Control port is communicated with solenoid directional control valve; Number one threeway cartridge valve is communicated with No. second threeway cartridge valve, and number one threeway cartridge valve is communicated with solenoid directional control valve, and number one threeway cartridge valve is communicated with the number one cartridge valve; Number one threeway cartridge valve is communicated with No. second cartridge valve; Number one threeway cartridge valve is communicated with the number one oil cylinder, and number one threeway cartridge valve is communicated with No. second oil cylinder, and No. second the threeway cartridge valve is communicated with solenoid directional control valve; No. second the threeway cartridge valve is communicated with the number one cartridge valve; No. second the threeway cartridge valve is communicated with No. second cartridge valve, and No. second the threeway cartridge valve is communicated with the number one oil cylinder, and No. second the threeway cartridge valve is communicated with No. second oil cylinder; Solenoid directional control valve is communicated with the number one cartridge valve; Solenoid directional control valve is communicated with No. second cartridge valve, and solenoid directional control valve is communicated with return opening, is implemented in the effect that engineering machinery concrete mixer high low pressure switches cartridge valve group high-volume hydraulic control gear.Low pressure pump transportation work state, solenoid directional control valve must not be electric, and solenoid directional control valve is in right position, and number one cartridge valve control chamber has pressure oil, is in closed condition; No. second the cartridge valve control chamber is communicated with return opening through solenoid directional control valve; Be in opening state; Number one threeway cartridge valve and No. second threeway cartridge valve control chamber are communicated with return opening through solenoid directional control valve; When the number one filler opening has pressure; Pressure oil is through the bar chamber of No. second threeway cartridge valve entering number one oil cylinder, and the pressure oil in number one oil cylinder plug chamber is through the plug chamber of No. second oil cylinder of No. second cartridge valve entering, and the pressure oil in the bar chamber of No. second oil cylinder gets into No. second filler opening through number one threeway cartridge valve; When No. second filler opening has pressure; Pressure oil gets into the bar chamber of No. second oil cylinder through number one threeway cartridge valve; The pressure oil in No. second oil cylinder plug chamber is through the plug chamber of No. second cartridge valve entering number one oil cylinder; The pressure oil in the bar chamber of number one oil cylinder gets into the number one filler opening through No. second threeway cartridge valve, realizes low pressure pump transportation work state.High-pressure service pump transportation work state, solenoid directional control valve gets electric, and solenoid directional control valve is in position, a left side, and No. second the cartridge valve control chamber has pressure oil, is in closed condition; Number one cartridge valve control chamber is communicated with return opening through solenoid directional control valve; Be in opening state; The control oil of number one threeway cartridge valve and No. second threeway cartridge valve control chamber process solenoid directional control valve is in commutation states; When the number one filler opening has pressure; Pressure oil is through the plug chamber of No. second oil cylinder of No. second threeway cartridge valve entering, and the pressure oil in No. second cylinder rod chamber is through the bar chamber of number one cartridge valve entering number one oil cylinder, and the pressure oil in the plug chamber of number one oil cylinder gets into No. second filler opening through No. second threeway cartridge valve; When No. second filler opening has pressure; Pressure oil gets into the plug chamber of number one oil cylinder through number one threeway cartridge valve; The pressure oil in number one cylinder rod chamber gets into the bar chamber of No. second oil cylinder through the number one cartridge valve; The pressure oil in the plug chamber of No. second oil cylinder gets into the number one filler opening through No. second threeway cartridge valve, realizes high-pressure service pump transportation work state.
The effect that the utility model concrete mixer high low pressure switches hydraulic cartridge valve group control gear is simple in structure, and easy to operate, pressure loss rate is low, and the cost energy consumption is low; Compact structure, rate of fault is low, and big latus rectum is smooth; Do not have and leak, action is stable, impacts little; It is less to take up room, easy to maintenance, is widely used in the equipment that high-volume hydraulic Control Engineering machinery concrete mixer high low pressure switches the cartridge valve group.
Description of drawings
The utility model concrete mixer high low pressure switches hydraulic cartridge valve group control gear and will combine accompanying drawing to describe in further detail.
Fig. 1 is the hydraulic structure schematic representation that the utility model concrete mixer high low pressure switches hydraulic cartridge valve group control gear.
11-No. the second oil cylinder of 5-No. the second threeway cartridge valve of 3-No. the second filler opening 4-number one of 1-control port, 2-number one filler opening threeway cartridge valve, 6-return opening, 7-solenoid directional control valve, 8-number one cartridge valve, 9-No. the second cartridge valve 10-number one oil cylinder.
Embodiment
With reference to Fig. 1, the utility model concrete mixer hydraulic cartridge valve group control gear, it is made up of two filler openings, solenoid directional control valve 7, two cartridge valves, two threeway cartridge valves and two oil cylinders; Number one filler opening 2 is communicated with No. second threeway cartridge valve 5, and No. second filler opening 3 is communicated with number one threeway cartridge valve 4, and control port 1 is communicated with solenoid directional control valve 7; Number one threeway cartridge valve 4 is communicated with No. second threeway cartridge valve 5, and number one threeway cartridge valve 4 is communicated with solenoid directional control valve 7, and number one threeway cartridge valve 4 is communicated with number one cartridge valve 8; Number one threeway cartridge valve 4 is communicated with No. second cartridge valve 9; Number one threeway cartridge valve 4 is communicated with number one oil cylinder 10, and number one threeway cartridge valve 4 is communicated with No. second oil cylinder 11, and No. second threeway cartridge valve 5 is communicated with solenoid directional control valve 7; No. second threeway cartridge valve 5 is communicated with number one cartridge valve 8; No. second threeway cartridge valve 5 is communicated with No. second cartridge valve 9, and No. second threeway cartridge valve 5 is communicated with number one oil cylinder 10, and No. second threeway cartridge valve 5 is communicated with No. second oil cylinder 11; Solenoid directional control valve 7 is communicated with number one cartridge valve 8; Solenoid directional control valve 7 is communicated with No. second cartridge valve 9, and solenoid directional control valve 7 is communicated with return opening 6, is implemented in the effect that engineering machinery concrete mixer high low pressure switches cartridge valve group high-volume hydraulic control gear.
The utility model concrete mixer hydraulic cartridge valve group control gear embodiment; It is made up of two filler openings, solenoid directional control valve 7, two cartridge valves, two threeway cartridge valves and two oil cylinders; Low pressure pump transportation work state, solenoid directional control valve 7 must not be electric, and solenoid directional control valve 7 is in right position; Number one cartridge valve 8 control chambers have pressure oil, are in closed condition; No. second cartridge valve 9 control chambers are communicated with return opening 6 through solenoid directional control valve 7; Be in opening state; Number one threeway cartridge valve 4 and No. second threeway cartridge valve 5 control chambers are communicated with return opening 6 through solenoid directional control valve 7; When number one filler opening 2 has pressure; Pressure oil is through the bar chamber of No. second threeway cartridge valve 5 entering number one oil cylinders 10, and the pressure oil in number one oil cylinder 10 plug chambeies is through the plug chamber of No. second oil cylinder 11 of No. second cartridge valve 9 entering, and the pressure oil in the bar chamber of No. second oil cylinder 11 gets into No. second filler opening 3 through number one threeway cartridge valve 4; When No. second filler opening 3 has pressure; Pressure oil gets into the bar chamber of No. second oil cylinder 11 through number one threeway cartridge valve 4; The pressure oil in No. second oil cylinder 11 plug chambeies is through the plug chamber of No. second cartridge valve 9 entering number one oil cylinders 10; The pressure oil in the bar chamber of number one oil cylinder 10 gets into number one filler opening 2 through No. second threeway cartridge valve 5, realizes low pressure pump transportation work state.High-pressure service pump transportation work state, solenoid directional control valve 7 gets electric, and solenoid directional control valve 7 is in position, a left side, and No. second cartridge valve 9 control chambers have pressure oil, are in closed condition; Number one cartridge valve 8 control chambers are communicated with return opening 6 through solenoid directional control valve 7; Be in opening state; The control oil of number one threeway cartridge valve 4 and No. second threeway cartridge valve 5 control chambers process solenoid directional control valve 7 is in commutation states; When number one filler opening 2 has pressure; Pressure oil is through the plug chamber of No. second oil cylinder 11 of No. second threeway cartridge valve 5 entering, and the pressure oil in No. second oil cylinder 11 bar chambeies is through the bar chamber of number one cartridge valve 8 entering number one oil cylinders 10, and the pressure oil in the plug chamber of number one oil cylinder 10 gets into No. second filler opening 3 through No. second threeway cartridge valve 5; When No. second filler opening 3 has pressure; Pressure oil gets into the plug chamber of number one oil cylinder 10 through number one threeway cartridge valve 5; The pressure oil in number one oil cylinder 10 bar chambeies gets into the bar chamber of No. second oil cylinder 11 through number one cartridge valve 8; The pressure oil in the plug chamber of No. second oil cylinder 11 gets into number one filler opening 2 through No. second threeway cartridge valve 5, realizes high-pressure service pump transportation work state.
Claims (1)
1. a concrete mixer high low pressure switches hydraulic cartridge valve group control gear; It is made up of two filler openings, solenoid directional control valve (7), two cartridge valves, two threeway cartridge valves and two oil cylinders; It is characterized in that number one filler opening (2) is communicated with No. second threeway cartridge valve (5), No. second filler opening (3) is communicated with number one threeway cartridge valve (4), and control port (1) is communicated with solenoid directional control valve (7); Number one threeway cartridge valve (4) is communicated with No. second threeway cartridge valve (5); Number one threeway cartridge valve (4) is communicated with solenoid directional control valve (7), and number one threeway cartridge valve (4) is communicated with number one cartridge valve (8), and number one threeway cartridge valve (4) is communicated with No. second cartridge valve (9); Number one threeway cartridge valve (4) is communicated with number one oil cylinder (10); Number one threeway cartridge valve (4) is communicated with No. second oil cylinder (11), and No. second threeway cartridge valve (5) is communicated with solenoid directional control valve (7), and No. second threeway cartridge valve (5) is communicated with number one cartridge valve (8); No. second threeway cartridge valve (5) is communicated with No. second cartridge valve (9); No. second threeway cartridge valve (5) is communicated with number one oil cylinder (10), and No. second threeway cartridge valve (5) is communicated with No. second oil cylinder (11), and solenoid directional control valve (7) is communicated with number one cartridge valve (8); Solenoid directional control valve (7) is communicated with No. second cartridge valve (9), and solenoid directional control valve (7) is communicated with return opening (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201731299U CN202545404U (en) | 2012-04-23 | 2012-04-23 | Control device for high and low pressure switching hydraulic cartridge valve bank of concrete pump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201731299U CN202545404U (en) | 2012-04-23 | 2012-04-23 | Control device for high and low pressure switching hydraulic cartridge valve bank of concrete pump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202545404U true CN202545404U (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201731299U Expired - Lifetime CN202545404U (en) | 2012-04-23 | 2012-04-23 | Control device for high and low pressure switching hydraulic cartridge valve bank of concrete pump truck |
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| CN (1) | CN202545404U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089721A (en) * | 2013-03-01 | 2013-05-08 | 山东泰丰液压股份有限公司 | High-flow electric-hydraulic proportional cartridge valve hydraulic control system for differential speed regulation |
| CN103671334A (en) * | 2013-12-12 | 2014-03-26 | 中联重科股份有限公司 | Hydraulic control system for synchronous lifting of hydro-pneumatic suspension oil cylinders and engineering vehicle |
| CN103836020A (en) * | 2014-03-21 | 2014-06-04 | 徐州徐工施维英机械有限公司 | High pressure and low pressure switching system of concrete pump and concrete pump |
-
2012
- 2012-04-23 CN CN2012201731299U patent/CN202545404U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089721A (en) * | 2013-03-01 | 2013-05-08 | 山东泰丰液压股份有限公司 | High-flow electric-hydraulic proportional cartridge valve hydraulic control system for differential speed regulation |
| CN103089721B (en) * | 2013-03-01 | 2015-03-11 | 山东泰丰液压股份有限公司 | High-flow electric-hydraulic proportional cartridge valve hydraulic control system for differential speed regulation |
| CN103671334A (en) * | 2013-12-12 | 2014-03-26 | 中联重科股份有限公司 | Hydraulic control system for synchronous lifting of hydro-pneumatic suspension oil cylinders and engineering vehicle |
| CN103671334B (en) * | 2013-12-12 | 2016-01-27 | 中联重科股份有限公司 | Hydraulic control system for synchronous lifting of hydro-pneumatic suspension oil cylinders and engineering vehicle |
| CN103836020A (en) * | 2014-03-21 | 2014-06-04 | 徐州徐工施维英机械有限公司 | High pressure and low pressure switching system of concrete pump and concrete pump |
| CN103836020B (en) * | 2014-03-21 | 2016-09-14 | 徐州徐工施维英机械有限公司 | The high-low pressure switching system of a kind of concrete pump and concrete pump |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 272025, triumph Road, 66 hi tech Zone, Shandong, Jining Patentee after: Shandong Taifeng intelligent control Limited by Share Ltd Address before: 272025, triumph Road, 66 hi tech Zone, Shandong, Jining Patentee before: Shandong Taifeng Hydraulic Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121121 |