CN201908330U - Hydraulic system for full-hydraulic tunneling machine - Google Patents
Hydraulic system for full-hydraulic tunneling machine Download PDFInfo
- Publication number
- CN201908330U CN201908330U CN201020634592XU CN201020634592U CN201908330U CN 201908330 U CN201908330 U CN 201908330U CN 201020634592X U CN201020634592X U CN 201020634592XU CN 201020634592 U CN201020634592 U CN 201020634592U CN 201908330 U CN201908330 U CN 201908330U
- Authority
- CN
- China
- Prior art keywords
- pump
- hydraulic
- motor
- reversing valve
- proportional reversing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
A hydraulic system for a full-hydraulic tunneling machine is an open type hydraulic system and is characterized in that two oil pump motors are adopted and respectively drive a simplex pump and a duplex pump, wherein the simplex pump is used for supplying liquid to an oil cylinder and a star wheel motor through a high-pressure hose and a seven-linked proportional reversing valve; a front pump of the duplex pump is used for separately supplying liquid to a cutting motor through a high-pressure hose and a simplex proportional reversing valve; and a rear pump of the duplex pump is used for supplying liquid to a left traveling motor, a right traveling motor and a transporting motor through a high-pressure hose and a triplex proportional reversing valve. The utility model has the advantages as follows: the speeds of the motor and the oil cylinder can be adjusted; the oil temperature is low; the cutting capability is strong; and the hydraulic system can operate stably and reliably.
Description
Technical field
The utility model relates to a kind of colliery heading equipment, particularly a kind of all-hydraulic development machine hydraulic system.
Background technology
Existing all-hydraulic development machine has two deficiencies:
1. adopt a motor to drive two groups of pump works by transmission case, the pumping plant volume is bigger, inapplicable light-duty all-hydraulic development machine.
2. the crucial cutting units owing to all-hydraulic development machine adopts fluid motor-driven, but not motor-driven, because continuous operation, cut power is big, and load variations is big, adopts plate valve control cut motor operations in a pump and the multi-joint valve, the stability of a system is poor, and the Hydraulic Elements life-span is short.
Development improves all-hydraulic development machine with new hydraulic system, and adopting independent pump and independent valve is that the simply connected valve comes to the cutting hydraulic motor feed flow, can improve the stability and the reliability of hydraulic system.
Summary of the invention
Goal of the invention of the present utility model adopts bi-motor, two groups of pumps at the deficiency that existing all-hydraulic development machine exists, the control of proportional multi-path valve, simplex pump and simply connected proportional reversing valve group control cut motor operations.The utility model provides a kind of all-hydraulic development machine hydraulic system, be open type hydraulic system, mainly by fuel tank, motor, pump, the proportional reversing valve group, motor, composition such as oil cylinder and cooler, it is characterized in that adopting two Oil pump electrical machineries, Oil pump electrical machinery (1) drives a simplex pump, Oil pump electrical machinery (2) drives a duplex pump, simplex pump by high-pressure hose and one seven proportional reversing valve group to oil cylinder and star-wheel hydraulic motor feed flow, to the independent feed flow of cutting hydraulic motor, the back pump of duplex pump by high-pressure hose and one three proportional reversing valve group left by high-pressure hose and a simply connected proportional reversing valve group for the front pump of duplex pump, right lateral is walked a hydraulic motor and a fortune hydraulic motor feed flow.
The utility model has the advantages that motor, oil cylinder adjustable-speed, the oil temperature is low, and cutting capacity is strong, and hydraulic system operates steadily reliably.
Description of drawings
Fig. 1 schematic diagram of the present utility model
Among Fig. 1: 1 fuel tank, 2 oil suction strainers, 3 duplex pumps, 2 Oil pump electrical machineries (1) 3 liquid level thermometer, 6 return filters, 7 coolers, 8 simplex pumps, 9 Oil pump electrical machineries (2) 10 high-pressure hoses, 11 7 proportional reversing valve groups, 12 pressure gauges, 13 star-wheel hydraulic motors, 14 equalizing valve groups, 15 telescopic oil cylinders, 16 hoist cylinders, 17 angling cylinders, 18 shovel board oil cylinders, 19 back support cylinders, 20 cutting hydraulic motor, 21 simply connected proportional reversing valve groups, 22 walking hydraulic motors, 23 brakes, 24 comb valves, 25 1 fortune hydraulic motors, 26 3 proportional reversing valve groups.
The specific embodiment
Further specify embodiment of the present utility model below in conjunction with accompanying drawing.
All-hydraulic development machine adopts hydraulic drive, the power of hydraulic system is supplied with by (1) 2 and 75kW Oil pump electrical machinery of a 22kW Oil pump electrical machinery (2) 9, directly drive a CBZ2063 type simplex pump 8 and a CBGj3100/3063 type duplex pump 3, respectively to three hydraulic circuit fuel feeding independently.The system works medium is the N68# antiwear hydraulic oil, operating pressure 18/21/18MPa.
(1) loading circuit-oil cylinder loop
Power is CBZ2063 type simplex pump 8, and the oil of oil pump output moves by 7 proportional reversing valve groups, 11 control loader mechanism two star-wheel liquid oil motor 13XLC2.5E-450D20 and shovel board oil cylinder 18, back support cylinder 19, hoist cylinder 16, angling cylinder 17, telescopic oil cylinder 15.
7 proportional reversing valve groups 11 are contained in the console middle part, and set pressure is 18MPa.
(2) cut loop
Power is the front pump of CBGj3100/3063 type duplex pump 3, i.e. 100 pumps, and the oil of oil pump output is by simply connected proportional reversing valve group 21 control cutting hydraulic motor 20 IKY4A-3000D40 action.
Simply connected proportional reversing valve group 21 is contained in the console lower left side, and set pressure is 21MPa.
(3) road is transported in walking-back
Power is the back pump in the CBGj3100/3063 type duplex pump 3, i.e. 063 pump.The oil of output is by two the walking hydraulic motor 22HKYC2.5E-700D20 and a fortune hydraulic motor 25INMI-300D31 action of three proportional reversing valve groups 26 control left and right sides walking mechanisms.
Three proportional reversing valve groups 26 are contained in right side, console bottom, and set pressure is 18MPa.
On shovel board oil cylinder 18, back support cylinder 19, hoist cylinder 16, angling cylinder 18, telescopic oil cylinder 15, respectively installed an equalizing valve group 14CAPF.
Walking hydraulic motor 22 oil inlet and outlets are equipped with comb valve 24, are built-in with brake 23.
7 proportional reversing valve groups 11, simply connected proportional reversing valve group 21 and three proportional reversing valve groups, 26 pressure tap are equipped with pressure gauge 12 respectively, and pressure gauge 12 is contained in console top.
Claims (1)
1. all-hydraulic development machine hydraulic system, be open type hydraulic system, mainly by fuel tank, motor, pump, the proportional reversing valve group, motor, composition such as oil cylinder and cooler, it is characterized in that adopting two Oil pump electrical machineries, Oil pump electrical machinery (1) drives a simplex pump, Oil pump electrical machinery (2) drives a duplex pump, simplex pump by high-pressure hose and one seven proportional reversing valve group to oil cylinder and star-wheel hydraulic motor feed flow, to the independent feed flow of cutting hydraulic motor, the back pump of duplex pump by high-pressure hose and one three proportional reversing valve group left by high-pressure hose and a simply connected proportional reversing valve group for the front pump of duplex pump, right lateral is walked a hydraulic motor and a fortune hydraulic motor feed flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020634592XU CN201908330U (en) | 2010-11-30 | 2010-11-30 | Hydraulic system for full-hydraulic tunneling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020634592XU CN201908330U (en) | 2010-11-30 | 2010-11-30 | Hydraulic system for full-hydraulic tunneling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201908330U true CN201908330U (en) | 2011-07-27 |
Family
ID=44300534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020634592XU Expired - Fee Related CN201908330U (en) | 2010-11-30 | 2010-11-30 | Hydraulic system for full-hydraulic tunneling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201908330U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103449332A (en) * | 2013-08-13 | 2013-12-18 | 安徽维麦科斯机械制造有限公司 | Internal combustion forklift hydraulic system |
| CN104846868A (en) * | 2015-05-25 | 2015-08-19 | 安徽宏昌机电装备制造有限公司 | Hydraulic control system of excavating loader |
| CN106151137A (en) * | 2016-08-19 | 2016-11-23 | 昆山晋桦豹胶轮车制造股份有限公司 | Development machine moves power source |
| CN113682961A (en) * | 2021-09-06 | 2021-11-23 | 江苏浩吉矿用装备有限公司 | Small-size single track hangs open hydraulic system |
-
2010
- 2010-11-30 CN CN201020634592XU patent/CN201908330U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103449332A (en) * | 2013-08-13 | 2013-12-18 | 安徽维麦科斯机械制造有限公司 | Internal combustion forklift hydraulic system |
| CN104846868A (en) * | 2015-05-25 | 2015-08-19 | 安徽宏昌机电装备制造有限公司 | Hydraulic control system of excavating loader |
| CN106151137A (en) * | 2016-08-19 | 2016-11-23 | 昆山晋桦豹胶轮车制造股份有限公司 | Development machine moves power source |
| CN113682961A (en) * | 2021-09-06 | 2021-11-23 | 江苏浩吉矿用装备有限公司 | Small-size single track hangs open hydraulic system |
| CN113682961B (en) * | 2021-09-06 | 2024-01-26 | 江苏浩吉矿用装备有限公司 | Small monorail crane open type hydraulic system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201908330U (en) | Hydraulic system for full-hydraulic tunneling machine | |
| CN102265041B (en) | Hydraulic pump controller for construction machine | |
| CN102011767B (en) | Hydraulic system | |
| CN1984807A (en) | Hydraulic drive device for working vehicle | |
| CN102134047A (en) | Energy-saving hydraulic system of electric forklift | |
| CN212738265U (en) | Independent oil supply system for suspension mechanism and steering mechanism of agricultural tractor | |
| CN103303801A (en) | Hydraulic confluence control system for truck crane | |
| CN204783913U (en) | Underground scraper hydraulic pressure guide oil supply unit | |
| CN101915237B (en) | Concrete delivery pump lubricating system and concrete pumping equipment | |
| CN102777446B (en) | A kind of oil-water conversion variable displacement emulsion pump station | |
| CN106246647A (en) | A kind of hydraulic system of side-mounted twin-roll opencast stope ruins | |
| CN202732552U (en) | Oil-water conversion variable emulsion pump station | |
| CN102490596A (en) | Electric hydraulic control and hydraulic drive speed change system for road roller with double steel wheels | |
| CN200971517Y (en) | Hydraulic device of full hydraulic loader | |
| CN201376494Y (en) | Hydraulic system for double power flow tracked vehicle | |
| CN106762882A (en) | The double mode electro-hydraulic drive system of development machine cutterhead | |
| WO2014015903A1 (en) | Subsea hydraulic power unit | |
| CN203229324U (en) | Hydraulic tower crane and hydraulic control system thereof | |
| CN103161463A (en) | Dynamic oiling device used for hydraulic system of coal mining machine | |
| CN201659978U (en) | Mine cableway double-power hydraulic station | |
| CN201297487Y (en) | Shooting-flow circulating lubrication system | |
| CN201962039U (en) | Energy-saving hydraulic system of electronic forklift | |
| CN2849265Y (en) | Small size hydraulic pump station | |
| CN202483996U (en) | Cooling protection device for hydraulic reversing system | |
| CN202732555U (en) | Hydraumatic crawler crane motor oil supply and system cooling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110727 Termination date: 20151130 |
|
| EXPY | Termination of patent right or utility model |